CN215781525U - Magnetic bar toy - Google Patents

Abstract

The utility model relates to a magnetic bar toy, which comprises a shell and magnets, wherein the insides of two ends of the shell are respectively provided with an accommodating cavity, the magnets are single-side two-pole magnets, the single-side two-pole magnets are arranged in the accommodating cavities in a state that magnetic pole faces of the single-side two-pole magnets face the end parts of the shell, the single-side two-pole magnets can rotate in the accommodating cavities, and the center lines of the rotating shafts of the single-side two-pole magnets are parallel to or coincide with the center line of the shell. This technical scheme's magnetic rod toy can attach with other magnetic rod toys or other magnetic force toy components with arbitrary direction for assemble the flow and retrench, and can guarantee lasting adsorptivity and the stability of attaching after, make whole set of magnetic force assemble the toy and have extremely strong interest and resistant playing nature.

Description

Magnetic bar toy

Technical Field

The utility model relates to the technical field of toys, in particular to a magnetic bar toy.

Background

The assembled toy comprises a magnetic assembled toy which is a combined toy formed by assembling a plurality of toy components, each toy component can be assembled into a whole body with different styles according to the difference of arrangement and combination modes, so that children can freely play imagination and creative force.

The magnetic force bar toy is one of a plurality of magnetic force toy components contained in the magnetic force assembly toy, and the traditional magnetic force bar toy in the market at present is disclosed as CN213884994U, shown in Chinese patent with the patent name of 'a magnetic assembly structure and an assembly toy', and comprises a main body, wherein the main body is made of flexible materials; an insert; the insert is a tubular whole body, and one end of the insert is provided with a closing-in; the insert is embedded in the tail end of the main body; the magnet is fixedly arranged in the insert and has the characteristic of attracting ferromagnetic substances based on the fact that the magnet can be directly adsorbed to two ends of a stainless steel pipe with other magnetic bar toys or other magnetic toy components to realize assembly, as shown in the Chinese patent with the patent name of 'magnetic bar toy' which is disclosed as CN213253006U, the magnet comprises two short iron bars and a plastic bar, the plastic bar is clamped between the two short iron bars, the outer ends of the two short iron bars respectively adsorb a magnet, the short iron bars, the plastic bar and the magnets at the outer ends of the short iron bars are assembled in the stainless steel pipe, pipe openings at two ends of the stainless steel pipe are locked, the magnet parts are exposed after the locked openings, the magnet parts can be assembled with other magnetic bar toys or other magnetic toy components in the same way, but the magnets in the structure are double-sided magnets, namely only one magnetic pole is opposite to the end part of the main body/the stainless steel pipe, if the magnetic poles of the magnets on other magnetic bar toys or other magnetic toy components are the same as the magnetic poles of the opposite surfaces of the magnets at the end parts of the magnetic bar toys, and the magnets move oppositely, the repulsion phenomenon occurs, so that children have to adjust the directions of the magnetic bar toys or other magnetic toy components, the assembly process is complicated, meanwhile, the magnets can accelerate the oxidation of the surfaces of the magnets under the condition of being exposed outside, the magnetism is weakened, and particularly in a humid environment, the attachment effect after assembly is influenced, and the interestingness and the playing resistance of the whole set of magnetic assembly toys are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the problems that the assembly process is complex when the magnetic rod toy in the prior art is attached to other magnetic rod toys or other magnetic toy components, and the surface oxidation is accelerated when the magnet is exposed, thereby affecting the subsequent attachment effect, and the interestingness and the playability of the whole set of toys are affected, the utility model aims to provide a magnetic rod toy which can be attached to other magnetic rod toys or other magnetic toy components in any direction, so that the assembly process is simplified, the lasting adsorbability and the stability after attachment can be ensured, and the whole set of magnetic assembly toys has extremely strong interestingness and playability.

In order to achieve the purpose, the technical solution of the utility model is as follows:

a magnetic rod toy comprises a shell and magnets, wherein the inner parts of two ends of the shell are respectively provided with a containing cavity, the magnets are single-face two-pole magnets, the single-face two-pole magnets are arranged in the containing cavities in a state that magnetic pole faces of the single-face two-pole magnets face the end parts of the shell, the single-face two-pole magnets can rotate in the containing cavities, and the rotating axis lines of the single-face two-pole magnets are parallel to or coincident with the central line of the shell.

Preferably, the outer wall of the single-sided two-pole magnet is in clearance fit with the inner wall of the accommodating cavity on the same side.

Preferably, the shape of the accommodation cavity is identical to that of the single-sided two-pole magnet, and the outer shape of the single-sided two-pole magnet is configured to be circular.

Preferably, concave spherical surfaces depressed in the inner direction are formed on the outer walls of both ends of the housing.

Preferably, the housing has a main body portion, the main body portion has a regular octagonal shape, and a slide groove is formed on each side of the main body portion.

Preferably, the housing further has an intermediate chamber disposed therein, and the intermediate chamber is disposed between the two accommodating chambers and independent of the two accommodating chambers.

Preferably, the shell comprises two opposite half shells, a first half arc-shaped groove, a second half arc-shaped groove and a first half concave surface are formed in each of the two half shells, and the first half arc-shaped groove, the second half arc-shaped groove and the first half concave surface respectively form an accommodating cavity, a middle cavity and a concave spherical surface in a butt joint state of the two half shells.

Preferably, the housing halves are secured by means of ultrasonic bonding.

Preferably, the opening of the sliding chute and the concave spherical surface are arranged in a round angle with the outer wall of the shell adjacent to the concave spherical surface.

Preferably, the material of the case is a non-magnetic material that cannot be magnetized by the single-sided two-pole magnet.

Compared with the prior art, the utility model has the advantages that:

this technical scheme's magnet chooses for use single face two poles of earth magnet, and then eliminated each magnet and caused with interelectrode repulsion when assembling, the unable condition of assembling that causes because of the position difference between magnetic rod toy and with other magnetic force toy components, the regulation magnetic rod toy that need not children to relapse and other magnetic rod toys or other magnetic force toy components's that treat to assemble position, the assembly flow has been simplified, be convenient for children can go up the hand fast, and simultaneously, guarantee that whole set of magnetic force assembles the toy and have better interest and resistant object to play.

The magnet of the technical scheme is arranged in the closed accommodating cavity of the shell, so that the magnet is isolated from the external space, the surface oxidation process is prevented from being accelerated, and the permanent adsorption and stability of the magnetic bar toy are ensured;

drawings

FIG. 1 is a schematic view of the overall construction of the magnetic wand toy of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the magnetic pole face structure of a single-sided, two-pole magnet of the magnetic wand toy of the present invention;

FIG. 5 is a schematic view of the overall structure of a single-sided, two-pole magnet of the magnetic wand toy of the present invention;

FIG. 6 is a schematic view of a disassembled structure of the magnetic wand toy of the present invention;

FIG. 7 is a schematic view of the overall structure of a plurality of magnetic rod toys of the present invention assembled together;

FIG. 8 is a schematic view showing the overall structure of a joint combination type toy in which a magnetic rod toy and a spherical magnetic toy member according to the present invention are assembled;

FIG. 9 is a schematic view showing the overall configuration of a combination toy of an artificial figure composed of a magnetic rod toy and a spherical magnetic toy member according to the present invention;

fig. 10 is a schematic view showing the overall construction of a magnetic toy element of a vehicle seat in a magnetic construction toy including the magnetic stick toy of the present invention;

FIG. 11 is a schematic view showing the overall configuration of a first type of vehicle combination toy constructed by assembling the magnetic wand toy of the present invention and the magnetic toy components of the vehicle seat;

FIG. 12 is a schematic view showing the overall structure of a second type of vehicle combination toy constructed by assembling the magnetic toy of the present invention and the magnetic toy components of the vehicle seat;

fig. 13 is a schematic view showing the overall configuration of a third type of vehicle combination toy in which the magnetic rod toy, the spherical magnetic member toy, and the vehicle seat magnetic member toy of the present invention are assembled.

As shown in the figure:

1. a housing; 101. an accommodating cavity; 102. a main body portion; 103. a chute; 104. a middle cavity; 105. a concave spherical surface; 1a, a half shell; 1a-1, a first semi-arc groove; 1a-2, a second semi-arc groove; 1a-3, a first half-concave surface; 2. a single-sided dipolar magnet; 3. a spherical magnetic toy member; 4. a vehicle seat magnetic toy member; 401. a base body; 401a, a fixture block; 402. a wheel portion.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships which are usually placed when the products of the present invention are used, and are used for the purpose of simplifying the description, but do not indicate or imply that the orientations are necessarily a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not limited thereto.

Example 1:

as shown in fig. 1 to 5, the present invention relates to a magnetic rod toy, in particular to a magnetic rod toy belonging to a set of magnetic force assembly toys, which is the same as the conventional magnetic rod toy, and comprises a housing 1 and a magnet, and further can be assembled and attached to other magnetic rod toys and other magnetic toy components contained in the set of magnetic force assembly toys through magnetic attraction, wherein the housing 1 has a cylindrical structure as shown in the attached drawings, and can have various shapes, such as an arch structure, a wave structure and the like, but is not limited thereto, and different assembly toys are assembled according to different shapes of the housing 1 during assembly;

the accommodating cavity 101 is formed in the shell 1, the accommodating cavity 101 is opened at the position of the shell 1 close to the two ends of the shell, so that the thickness of the wall of the shell 1 between the accommodating cavity 101 and the external space is reduced as much as possible, namely the thickness of the two ends of the shell 1 body, the accommodating cavity 101 is a closed cavity, each accommodating cavity 101 is provided with a magnet corresponding to the accommodating cavity, and therefore, when the magnetic rod toy and other magnetic toy components are assembled, the magnetic rod toy and other magnetic toy components can be stably adsorbed on the ends, and meanwhile, the magnets are prevented from being exposed in the external space;

it should be mentioned that, during manufacturing, the distance between the two accommodating cavities 101 can be increased by using the longer length of the housing 1, so as to increase the distance between the magnets in the accommodating cavities 101, thereby reducing the magnetic interference between the magnets at the two ends of the same magnetic rod toy;

as shown in fig. 4, 5 and 7, the magnet is a single-sided two-pole magnet 2, different from the conventional two-sided magnet, the same end surface of the single-sided two-pole magnet 2 has two poles of N and S, and the single-sided two-pole magnet 2 is disposed in the accommodating cavity 101 with its pole surface facing the end of the housing 1, and the single-sided two-pole magnet 2 can rotate in the accommodating cavity 101. specifically, when the magnetic force bar toy is assembled with other magnetic force bar toys, if the N and S poles of the single-sided two-pole magnet 2 on the end of the magnetic force bar toy are just staggered with the N and S poles of the single-sided two-pole magnet 2 on the opposite side of the end of the other magnetic force bar toy to be assembled, the two magnetic force bar toys can be directly adsorbed by the magnetic attraction force to realize the assembly, and form a combined toy similar to a carriage after the plurality of magnetic force bar toys are adsorbed and assembled, and when the N and S poles of the single-sided two-pole magnet 2 on the opposite side of the end of the other magnetic force bar toy to be assembled, When the S poles are opposite, the mutual repulsion force between the magnetic fields of the same magnetic poles enables the two single-sided bipolar magnets 2 to correspondingly rotate until the magnets rotate to the position where the magnetic poles are staggered, and then the adsorption assembly is completed through the magnetic attraction;

it should be mentioned here that other magnetic toy components of the magnetic assembly toy set including the magnetic bar toy of the technical scheme can be adsorbed with the magnetic bar toy, or correspondingly attached with single-sided two-pole magnets 2, or have connecting parts made of magnetic materials, the magnetic bar toy can be adsorbed with the single-sided two-pole magnets 2 on other magnetic toy components in the same way, thereby realizing assembly, or directly adsorbed with the connecting parts on the magnetic toy components to finish assembly,

based on the arrangement, the situation that assembly cannot be carried out between magnetic bar toys and other magnetic bar toys components due to direction difference caused by mutual repulsion between magnets and magnetic poles is eliminated, the directions of the magnetic bar toys and other magnetic bar toys to be assembled or other magnetic toy components are not required to be adjusted repeatedly by children, the assembly process is simplified, the children can conveniently and quickly get on the hand, meanwhile, the closed accommodating cavity 101 enables the single-side dipolar magnet 2 to be isolated from the external space, the process of surface oxidation is prevented from being accelerated, the magnetic bar toys are ensured to have lasting adsorbability and stability, and meanwhile, the whole set of magnetic assembly toys is ensured to have better interestingness and playing resistance;

in this embodiment, the rotation axis of the single-sided two-pole magnet 2 is parallel to or coincident with the center line of the housing 1, so that the magnetic pole surface of the single-sided two-pole magnet 2 can always face the end of the housing 1, otherwise, the single-sided two-pole magnet 2 is irregularly turned over in the accommodating cavity 101, the magnetic pole surface is separated from the relative position with the end surface of the housing 1, and the magnetic attraction between the single-sided two-pole magnet 2 and other magnetic force bar toys or other magnetic force toy components is weakened, so that the adsorption effect is affected.

As shown in fig. 3, further, the outer wall of the single-sided two-pole magnet 2 is in clearance fit with the inner wall of the accommodating cavity 101 on the same side, and the shapes of the single-sided two-pole magnet 2 and the accommodating cavity 101 can be configured into different types.

As shown in fig. 4 and 5, further, the shape of the accommodating cavity 101 is consistent with that of the single-sided two-pole magnet 2, and the shape of the single-sided two-pole magnet 2 is configured to be circular, so that the vibration amplitude of the single-sided two-pole magnet 2 during rotation and the offset distance during movement can be reduced based on the above arrangement, and the single-sided two-pole magnet 2 can be ensured to rotate smoothly in the accommodating cavity 101;

it should be noted that the shape of the accommodating cavity 101 is consistent with the shape of the single-sided bipolar magnet 2, which does not mean that the two are consistent in size, and the accommodating cavity 101 and the single-sided bipolar magnet 2 still maintain clearance fit.

Further, the material of the shell 1 is a non-magnetic material which cannot be magnetized by the single-sided two-pole magnet 2, the non-magnetic material can be other non-magnetic metals except iron, cobalt and nickel, or materials such as wood, plastic and glass, and based on the above arrangement, the problem that the rotation of the shell is limited due to the fact that the magnetic pole face of the single-sided two-pole magnet 2 is attracted to the shell 1 can be avoided.

Example 2:

as shown in fig. 1 to 3, this embodiment is an optimized design for the above embodiment, concave spherical surfaces 105 that are concave toward the inner direction are formed on the outer walls of the two ends of the housing 1;

as shown in fig. 8 and fig. 9, in each magnetic toy component included in the magnetic construction toy set, the connecting portion of a part of the magnetic toy components, or the entire shape thereof, is an arc surface, so that when the magnetic construction toy set is assembled, the magnetic rod toy of the present technical solution is ensured to be fitted with the outer surface of such magnetic toy components through the concave spherical surface 105, and the stability of adsorption is further improved, in this embodiment, the spherical magnetic toy component 3 included in the magnetic construction toy set is taken as an example, specifically, one spherical magnetic toy component 3 is close to the end portion of the magnetic rod toy housing 1 to keep adsorption with the single-sided two-pole magnet 2 in the housing 1, and then another magnetic rod toy can be taken, and the single-sided two-pole magnet 2 in the end portion of the housing 1 is also adsorbed onto the outer surface of the spherical magnetic toy component 3, so as to form a joint-like combination toy, or a similar simulated figure-like combination toy, under the adsorption state, children can follow the position of the excellent toy of spherical magnetic force toy component 3's surface arbitrary regulation magnetic force, simulate the articular activity of reality, later can splice with other magnetic force toy components according to the intention with the other end of thinking through the excellent toy of magnetic force, constitute new combination and make good for the toy to give the magnetic force that includes this technical scheme magnetic force excellent toy and assemble the higher degree of freedom of toy, and interesting and resistant playing nature.

Example 3:

as shown in fig. 1, 10 to 13, the present embodiment is an optimized design made for the above embodiment, the housing 1 has a main body portion 102, the main body portion 102 is in a regular octagon shape, and each side of the main body portion 102 is provided with a sliding slot 103, based on the above arrangement, the magnetic rod toy of the present technical solution has other playing methods besides adsorbing other toys through its end portion, the present embodiment is illustrated by taking a saddle magnetic toy member 4 included in the magnetic assembly toy as an example, the saddle magnetic toy member 4 includes a seat body 401 and a wheel portion 402 disposed below the seat body 401, wherein the seat body 401 is in a configuration structure, and its inner wall shape matches with the octagon shape of the housing 1, meanwhile, two opposite inner walls are both formed with a fixture block 401a, when assembling, the housing 1 of the magnetic rod toy is inserted into the seat body 401, at this time the fixture block 401a can be clamped into the sliding slot 103 corresponding to the outer wall on the main body portion 102 of the housing 1, the combined toy similar to a vehicle can be formed, so that the freedom degree, the interestingness and the playing resistance of the set of magnetic force assembly toy are further improved;

here, it should be mentioned that, the regular octagon-based vehicle seat includes two sets of outer side edges parallel to the horizontal plane, and two sets of outer side edges perpendicular to the horizontal plane, so that the sliding groove 103 on the outer side wall coinciding with the two sets of outer side edges is parallel to/perpendicular to the horizontal plane, the fixture block 401a on the vehicle seat magnetic toy member 4 is formed on two inner side walls of the vehicle seat perpendicular to the horizontal plane, so that the fixture block 401a can be limited by the inner walls of the main body portion 102 on the upper and lower sides of the sliding groove 103 to move up and down, and further, the whole vehicle seat magnetic toy member 4 is limited to move up and down, when the fixture block 401a is clamped into the sliding groove 103 on the corresponding side wall of the main body portion 102 of the housing 1, falling due to self weight is avoided, and it is ensured that the vehicle seat magnetic toy member 4 has extremely high stability after being assembled.

Further, equal fillet setting between the opening part of spout 103, concave sphere 105 and rather than adjacent shell 1's outer wall promotes the comfort when children snatch based on above-mentioned setting, and can prevent the problem that the corner fish tail children of shell 1 outer wall appear.

Example 4:

as shown in fig. 2 and 3, this embodiment is an optimal design made to the above-mentioned embodiment, middle chamber 104 has still been seted up to the inside of shell 1, middle chamber 104 is between two holding chambeies 101, and this middle chamber 104 and two holding chambeies 101 keep independently, each other not communicate promptly, based on the aforesaid setting, make shell 1 cavitate, thereby reduce the required section bar of making shell 1, the corresponding whole weight that reduces this technical scheme magnetic force stick toy, and then be convenient for children to snatch, and snatch the flexibility of assembling after the.

Example 5:

as shown in fig. 7, in the present embodiment, an optimized design is made for the above embodiment, the housing 1 includes two opposite housing halves 1a, the housing halves 1a are respectively provided with a first half arc-shaped groove 1a-1, a second half arc-shaped groove 1a-2 and a first half concave surface 1a-3, and the housing cavity 101, the intermediate cavity 104 and the concave spherical surface 105 are respectively formed by the first half arc-shaped groove 1a-1, the second half arc-shaped groove 1a-2 and the first half concave surface 1a-3 of the housing cavity 101, the intermediate cavity 104 and the concave spherical surface 105 in the butt-joint state of the housing halves 1a, so that the housing cavity 1, the intermediate cavity 104 and the first half arc-shaped groove 1a-1, the second half arc-shaped groove 1a-2 and the first half concave surface 1a-3 of the concave spherical surface 105 are formed, thereby reducing the difficulty of an enterprise in manufacturing the housing 1.

Furthermore, the two half shells 1a are fixed in an ultrasonic bonding mode, and compared with the traditional assembling technology, the ultrasonic bonding technology has the characteristics of energy conservation, rapidness, lower cost and higher efficiency, so that the ultrasonic bonding technology is more suitable for assembling the two half shells 1a in the technical scheme.

With reference to fig. 1 to 13, in the manufacturing of the magnetic rod toy of the present invention, a single-sided two-pole magnet 2 is placed in the first half arc-shaped groove 1a-1 of any half shell 1a, and then the first half arc-shaped groove 1a-1 of the other half shell 1a is inserted into the portion of the single-sided two-pole magnet 2 exposed to the external space, so that the two opposite first half arc-shaped grooves 1a-1 form an accommodating chamber 101, thereby completing the accommodation of the single-sided two-pole magnet 2, and keeping the two half shells 1a at the butt joint position, and at the same time, the second half arc-shaped groove 1a-2, the first half concave surface 1a-3, the first groove surface, the middle chamber 104, the concave spherical surface 105, and the sliding groove 103 located at the boundary position of the two half shells 1a, and then the two half shells 1a are fixed by the ultrasonic bonding technology, thereby completing the manufacturing of the whole magnetic rod toy; when assembling, if the N pole and S pole of the single-sided dipolar magnet 2 in the containing cavity 101 of the magnetic bar toy shell 1 are just staggered with the N pole and S pole of the single-sided dipolar magnet 2 on the opposite surface of another magnetic bar toy to be assembled or other magnetic component toys, the two are directly adsorbed by the magnetic attraction to realize assembling, when the two are opposite to the N pole and S pole of the single-sided dipolar magnet 2 on the opposite surface of another magnetic bar toy to be assembled or other magnetic component toys, the single-sided dipolar magnet 2 in the magnetic bar toy correspondingly rotates due to the mutual repulsion force between the magnetic fields of the same magnetic poles until the magnetic poles are staggered, the adsorption assembling is finished by the magnetic attraction, a plurality of magnetic bar toys are adsorbed and assembled to form a combined toy similar to a carriage, the magnetic bar toy and the spherical magnetic toy components 3 contained in the magnetic bar toy are adsorbed and assembled, the combined toy similar to a vehicle can be formed by inserting the shell 1 of the magnetic rod toy into the seat body 401 of the magnetic toy component 4 and clamping the clamping block 401a on the seat body 401 into the sliding groove 103 of the main body part 102 of the shell 1 corresponding to the outer wall, and the magnetic rod toy can be assembled with other magnetic toy components of the magnetic assembly toy to generate various combined toys, which are not listed one by one, so that the magnetic assembly toy comprising the magnetic rod toy of the technical scheme has higher freedom, interestingness and playing resistance.

The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed.

Claims (10)

1. A magnetic rod toy comprises a shell (1) and magnets, and is characterized in that accommodating cavities (101) are formed in the two ends of the shell (1), the magnets are single-face two-pole magnets (2), the single-face two-pole magnets (2) are arranged in the accommodating cavities (101) in a state that the magnetic pole faces of the single-face two-pole magnets face the end portions of the shell (1), the single-face two-pole magnets (2) can rotate in the accommodating cavities (101), and the rotating axial lead of the single-face two-pole magnets is parallel to or coincided with the central line of the shell (1).

2. A magnetic bar toy according to claim 1, wherein the outer wall of the single-sided two-pole magnet (2) is in clearance fit with the inner wall of the accommodating cavity (101) on the same side.

3. A magnetic bar toy according to claim 2, wherein the shape of the housing cavity (101) corresponds to the shape of the single-sided two-pole magnet (2), and the outer shape of the single-sided two-pole magnet (2) is configured to be circular.

4. A magnetic wand toy as claimed in claim 1, wherein the outer walls of both ends of the housing (1) are formed with concave spherical surfaces (105) which are concave toward the inner direction thereof.

5. A magnetic wand toy as claimed in claim 4, wherein the housing (1) has a main body portion (102), the main body portion (102) is in the shape of a regular octagon, and a runner (103) is provided on each side of the main body portion (102).

6. A magnetic rod toy according to claim 5, wherein an intermediate cavity (104) is further opened inside the housing (1), and the intermediate cavity (104) is interposed between the two accommodating cavities (101) and is independent from the two accommodating cavities (101).

7. A magnetic rod toy according to claim 6, wherein the housing (1) comprises two opposite half shells (1a), each half shell (1a) is provided with a first half arc-shaped groove (1a-1), a second half arc-shaped groove (1a-2) and a first half concave surface (1a-3), and the first half arc-shaped groove (1a-1), the second half arc-shaped groove (1a-2) and the first half concave surface (1a-3) respectively form the accommodating cavity (101), the middle cavity (104) and the concave spherical surface (105) when the two half shells (1a) are in a butt joint state.

8. A magnetic bar toy according to claim 7, wherein the two half-shells (1a) are fixed by means of ultrasonic bonding.

9. A magnetic bar toy according to claim 5, wherein the opening of the sliding groove (103), the concave spherical surface (105) and the outer wall of the housing (1) adjacent thereto are rounded.

10. A magnetic bar toy according to claim 1, wherein the material of the housing (1) is a non-magnetic material that cannot be magnetized by the single-sided, two-pole magnet.

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