CN2696696Y

CN2696696Y - Magnetic force bar

Info

Publication number: CN2696696Y
Application number: CN 200420048254
Authority: CN
Inventors: 胡晓光
Original assignee: Aoruite Import & Export Co Ltd Anhui
Current assignee: Aoruite Import & Export Co Ltd Anhui
Priority date: 2004-04-13
Filing date: 2004-04-13
Publication date: 2005-05-04
Anticipated expiration: 2014-04-13

Abstract

The utility model discloses a magnetic force bar, comprising an iron bar, a magnet and a plastic pipe. The cylindrical magnet whose diameter is equal to that of the iron bar is respectively arranged on the two sides of the iron bar. The plastic pipe whose diameter is equal to that of the iron bar is further sheathed on the outer side of the iron bar whose two sides are attracted with the magnets. The iron bar whose two sides are attracted with the magnets is pressed and fixed in the plastic pipe. The outer shape of the plastic pipe can be a circle, an ellipse, a square, and any shape of various polygons. The magnets of over one magnetic force bars whose appearances or length are the same and/or not the same can be used for various mutual connection. The iron bar assembled in the middle and the magnets attracted at the two ends can be three independent bodies or a preprocessed integral body. Because an assembly structure is adopted, a lot of mold manufacture costs are saved. The production efficiency is enhanced. Meanwhile, the outer shape structure of the plastic pipe can be conveniently changed.

Description

A kind of magnetic bar

Technical field

The utility model relates to a kind of magnetic bar, specially refers to a kind of magnetic bar that a kind of iron staff outside that magnet is housed in both sides further is arranged with plastic tube.

Background technology

Combined magnetic building blocks puzzle is the puzzle that is fit to children and adult.This toy provides a kind of material, under the effect of magnetic force, attracts each other in the space that allows the player give free rein to one's imagination, and splicing constitutes bizarre configuration miscellaneous arbitrarily, and it can cultivate player's spatial thinking ability and creativity.A primary clustering of this toy is exactly a magnetic bar.The production technology of magnetic bar existing product is that small magnet is gone up in the absorption of iron staff two ends, puts into injection mold again, is injection molded into the magnetic bar final products.Owing to be earlier will to carry out injection moulding after the combination of iron staff and magnetic plate again, thereby brought difficulty for the profile that changes plastic tube, so that the weakness of existing product is a production efficiency is low, the cost height also exists the problem with low uncertainty of the profile of plastic tube simultaneously.

The utility model content

The purpose of this utility model is to provide a kind of magnetic bar, makes it change existing plastic structure into assembly structure, can change face shaping easily, is arbitrarily made with different shapes.

The purpose of this utility model is achieved through the following technical solutions:

A kind of magnetic bar is made of iron staff, magnet and plastic tube; Cylinder-shaped magnet with the iron staff equal diameters is housed in the both sides of described iron staff, and the outside that is adsorbed with the iron staff of magnet in described both sides further is arranged with the plastic tube with its equal diameters.

The iron staff that aforesaid a kind of magnetic bar, described both sides are adsorbed with magnet is pressed into and is fixed in the described plastics caliber.

Aforesaid a kind of magnetic bar, the profile of described plastic tube can be circular, oval, square, various polygonal arbitrary shapes, and the external diameter of described plastic tube and length can change arbitrarily.

Aforementioned thickness and the magnetic force size that is adsorbed in the magnet of iron staff both sides can be selected arbitrarily.

Aforesaid a kind of magnetic bar, the even and tool frictional force of the inwall circular hole of described plastic tube.

Aforesaid a kind of magnetic bar, can be by a described above outward appearance or length identical and or the magnetic of magnetic bar inequality carry out various interconnecting.

The magnet of the iron staff of assembling and two ends absorption can be three separate components in the middle of aforesaid, also can be the integral body of processing in advance.

The utility model compared with prior art has remarkable advantages and useful effect.

A kind of magnetic bar of the utility model, because what adopt is assembly structure, therefore can process the different plastic tube of profile earlier, the outside that is adsorbed with the iron staff of magnet in above-mentioned both sides further is arranged with manufactured and plastic tube its equal diameters, therefore a large amount of mould manufacturing expenses have been saved, improve production efficiency, can change the contour structures of plastic tube simultaneously easily.

Description of drawings

Fig. 1 is the schematic top plan view of a kind of magnetic bar of the utility model;

Fig. 2 be a kind of magnetic bar of the utility model cutaway view.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment: see also shown in Figure 1, schematic top plan view for a kind of magnetic bar of the utility model, as can be seen from the figure, 1 for being wrapped in the plastic bushing in the magnetic bar outside, and 2 is the magnet that is adsorbed on the iron staff both sides.

See also shown in Figure 2, for a kind of magnetic bar of the utility model cutaway view, wherein 3 is iron staff, 2 for being adsorbed on the magnet of iron staff both sides, 1 for being wrapped in the plastic bushing outside the magnetic bar.

At first, according to needed product appearance shape, the plastic bushing 1 injection machine injection mo(u)lding in the magnetic bar outside will be wrapped in, the internal diameter of the plastic bushing 1 of injection mo(u)lding closely cooperates for better and iron staff, its inwall circular hole has strict dimensional requirement, diameter evenly equates and has frictional force, the internal diameter of this plastic bushing 1 and external diameter shape can be circular, also can be oval, square, various polygonal arbitrary shapes, the external diameter of described plastic tube and length can change arbitrarily, and described thickness and the magnetic force size that is adsorbed in the magnet of iron staff both sides can be selected arbitrarily.

See also shown in Figure 2, last two blocks of magnet 2 are adsorbed at the two ends of the iron staff 3 that equates with the internal diameter of plastic bushing 1 with external diameter, then plastic bushing 1 is being compressed in the iron staff 3 usefulness automations of two blocks of magnet 2 in the two ends absorption or the mode of hand assembled, because the internal diameter diameter of described plastic bushing 1 evenly equates and tool frictional force, described plastic tube and iron staff rely on frictional force and fastening, and what the iron staff 3 that therefore adsorbs two blocks of magnet 2 and plastic bushing 1 carried out is the tight fit assembling.

A kind of single magnetic bar is just finished through above assembling, can be identical or different with last outward appearance, the magnetic of magnetic bar that length is identical or inequality carries out various interconnecting by above-mentioned one, and arranging in pairs or groups is various figure.

Here to point out that the magnet of the iron staff of middle assembling and two ends absorption can be three other separate components of branch, also can be the integral body of processing in advance.

It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1, a kind of magnetic bar is made of iron staff, magnet and plastic tube; It is characterized in that: the cylinder-shaped magnet with the iron staff equal diameters is housed in the both sides of described iron staff, and the outside that is adsorbed with the iron staff of magnet in described both sides further is arranged with the plastic tube with its equal diameters.

2, a kind of magnetic bar according to claim 1 is characterized in that: the iron staff that described both sides are adsorbed with magnet is pressed into and is fixed in the described plastics caliber.

3, a kind of magnetic bar according to claim 1 is characterized in that: the profile of described plastic tube can be circular, oval, square, various polygonal arbitrary shape, and the external diameter of described plastic tube and length can change arbitrarily.

4, a kind of magnetic bar according to claim 1 is characterized in that: described thickness and the magnetic force size that is adsorbed in the magnet of iron staff both sides can be selected arbitrarily.

5, according to claim 1 or 3 described a kind of magnetic bars, it is characterized in that: the inwall circular hole of described plastic tube evenly and have frictional force.

6, a kind of magnetic bar according to claim 1 is characterized in that: can be by a described above outward appearance or length identical and or the magnet of magnetic bar inequality carry out various interconnecting.

7, a kind of magnetic bar according to claim 1 is characterized in that: the magnet of the iron staff of middle assembling and two ends absorption can be three separate components, also can be the integral body of processing in advance.