CN216062001U

CN216062001U - Magnetic bar

Info

Publication number: CN216062001U
Application number: CN202122426868.6U
Authority: CN
Inventors: 盛建永
Original assignee: Zhejiang Shengbo'ao Industry And Trade Co ltd
Current assignee: Zhejiang Shengbo'ao Industry And Trade Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-18
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a magnetic bar, which has the technical scheme that: the utility model provides a magnetic force stick, including the inner tube, with the magnetic core of inner tube joint, be equipped with the keyway on the periphery wall of magnetic core, be equipped with first through-hole on the inner tube, still including embedding first through-hole, the fixture block of keyway, still include with the inner tube for can dismantle be connected and cover on the periphery wall of inner tube and to the outer tube that the fixture block formation sheltered from, be equipped with the second through-hole on the inner tube, be equipped with the third through-hole on the outer tube, the axial lead direction perpendicular to inner tube's of second through-hole, third through-hole axial lead direction, still including the locating part that runs through the second through-hole, the third through-hole. The magnetic rod can prevent the magnetic core from falling off from the inner layer, is good in overall connection stability, resistant to falling and durable, and meanwhile, the raw material for manufacturing the outer layer contains polymethyl methacrylate, so that the outer layer has natural pearl luster and flow pattern effects, is more attractive, has good chemical corrosion resistance, and cannot fall off or fade.

Description

Magnetic bar

Technical Field

The utility model relates to the technical field of magnetic rods, in particular to a magnetic rod.

Background

The magnetic rod is a children toy for intelligence development, and can splice a plurality of magic magnetic rods according to the self idea of children, so that the children can obtain the wanted articles, develop the imagination and the practical ability of the children, and are popular with people. The existing magnetic rod is usually composed of an internal magnetic core and an external cladding, and the two ends of the magnetic rod are provided with fixed magnetic poles, so that the direction of the magnetic rod needs to be adjusted when a plurality of groups of magnetic rods are spliced, and the magnetic rod is troublesome.

In order to solve the problem, magnetic rods with steel balls are provided in the market at present, namely, one steel ball is connected between two groups of magnetic rods, and the trouble of adjusting the direction of the magnetic rods can be omitted when the magnetic rods are assembled.

But magnetic core and cladding in the common magnetic rod in the market realize the joint through interference fit usually at present, but because the user crowd of magnetic rod is mostly children, the inevitable condition that can often appear beating can increase the probability that the magnetic core falls out, influences the use of magnetic rod.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a magnetic rod which can prevent a magnetic core from falling off from an inner layer, has good overall connection stability, and is resistant to falling and durable.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a magnetic force stick, includes the inner tube, with the magnetic core of inner tube joint, be equipped with the keyway on the periphery wall of magnetic core, be equipped with first through-hole on the inner tube, still including the fixture block of embedding first through-hole, keyway, still include with the inner tube for can dismantle be connected and cover on the periphery wall of inner tube and to the outer tube that the fixture block formation sheltered from, be equipped with the second through-hole on the inner tube, be equipped with the third through-hole on the outer tube, the axial lead direction of the axial lead direction perpendicular to inner tube of second through-hole, third through-hole still including run through second through-hole, third through-hole and with the outer tube for can dismantle the locating part of being connected.

By adopting the technical scheme, when the magnetic core is installed, the magnetic core is firstly inserted into the inner pipe until the key slot is completely communicated with the first through hole, the clamping block is embedded into the first through hole and the key slot, and the magnetic core and the inner pipe can be prevented from sliding relatively under the limiting action of the clamping block; insert the inner tube and switch on completely to second through-hole and third through-hole in the outer tube, pass second through-hole, third through-hole with the locating part and fix, can avoid inner tube and outer tube to produce relative slip under the limiting action of locating part, the outer tube shelters from the effect to the fixture block formation simultaneously, can avoid the fixture block to break away from first through-hole, and then has guaranteed between magnetic core and the inner tube, the stability of being connected between inner tube and the outer tube, have resistant falling, durable characteristics.

The utility model is further configured to: the locating part includes the cylinder that runs through second through-hole, third through-hole, the one end fixedly connected with diameter of cylinder is greater than the board that supports of third through-hole, the other end threaded connection of cylinder has the apron that the diameter is greater than the third through-hole.

Through adopting above-mentioned technical scheme, when the installation locating part, pass the cylinder earlier second through-hole, third through-hole to the outer wall of butt plate and outer tube inconsistent, keep away from the one end of butt plate with apron threaded connection on the cylinder, accomplish the apron and be connected with the cylinder when the outer wall of apron and outer tube is inconsistent, can avoid the cylinder to break away from in the second through-hole under the restriction of butt plate and apron to the outer tube has been realized being connected with the inner tube.

The utility model is further configured to: the retaining ring that forms the shutoff to the locating part can be dismantled to be connected with on the periphery wall of outer tube.

Through adopting above-mentioned technical scheme, can form the effect of sheltering from to the locating part under the effect of retaining ring, improve holistic aesthetic property.

The utility model is further configured to: and a groove for accommodating the retainer ring is formed in the peripheral wall of the outer tube.

Through adopting above-mentioned technical scheme, the recess is used for holding the retaining ring, makes the outer wall of outer tube not have obvious bulge, and is more comfortable when holding the outer tube.

The utility model is further configured to: the retainer ring has elastic deformation capacity.

Through adopting above-mentioned technical scheme, when articulating the retaining ring on the outer tube, prop open the retaining ring and make its internal diameter grow, place the retaining ring in the recess, the retaining ring resumes to initial condition and the joint is in the recess.

The utility model is further configured to: the magnetic core is provided with two groups which are symmetrically arranged at two ends of the inner tube.

Through adopting above-mentioned technical scheme, through setting up the magnetic core into two sets ofly and locating the both ends of inner tube, the position that makes the inside of inner tube and be located two sets of magnetic cores middles is the hollow state, has reduced the material use of magnetic core, has practiced thrift material cost.

The utility model is further configured to: the distance between the center of gravity and the edge of the cross section of the outer tube is unequal.

Through adopting above-mentioned technical scheme, when the outer tube receives the promotion of external force, be difficult for producing the roll effect, easily accomodate.

In conclusion, the utility model has the following beneficial effects:

the setting through the fixture block forms the restriction effect to magnetic core and inner tube, and the outer tube forms to shelter from the magnetic core simultaneously, can avoid the fixture block to break away from first through-hole and keyway to avoided the magnetic core to drop out from the inner tube, can avoid the inner tube to drop out from the outer tube under the effect at the locating part simultaneously, thereby guaranteed that the outer tube shelters from the effect to the fixture block formation all the time, guaranteed between magnetic core and the inner tube, the stability of being connected between inner tube and the outer tube, have resistant falling, durable characteristics.

Drawings

FIG. 1 is a schematic structural diagram of the present invention for embodying the overall structural design;

FIG. 2 is an exploded view of the present invention for embodying the overall structural design;

FIG. 3 is an enlarged view of portion A of FIG. 2 for illustrating the connection between the magnetic core and the inner tube;

fig. 4 is an enlarged view of a portion B in fig. 2, for showing a connection relationship between the outer tube and the stopper.

In the figure: 1. an outer tube; 2. a retainer ring; 3. an inner tube; 4. a magnetic core; 5. a clamping block; 6. a keyway; 7. a first through hole; 8. a resisting plate; 9. a cylinder; 10. a second through hole; 11. a cover plate; 12. a third through hole; 13. and (4) a groove.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A magnetic bar, as shown in figure 1 and figure 2, comprises a magnetic core 4, an inner tube 3, an outer tube 1, a limiting piece and a retainer ring 2, wherein the distance between the gravity center of the cross section of the outer tube 1 and the edge is unequal, and when the outer tube 1 is pushed by external force, the rolling effect is not easy to generate, and the magnetic bar is easy to store.

As shown in fig. 1-3, magnetic core 4 is equipped with two sets ofly and symmetrical joint at the both ends of inner tube 3, be equipped with keyway 6 on the periphery wall of magnetic core 4, be equipped with first through-hole 7 on the periphery wall of inner tube 3, insert inner tube 3 to keyway 6 with first through-hole 7 with magnetic core 4 and switch on the back completely, insert first through-hole 7 with fixture block 5 and contradict to the bottom with keyway 6, fixture block 5 contradicts with the lateral wall of keyway 6, the lateral wall homogeneous phase of first through-hole 7 this moment, can avoid magnetic core 4 and inner tube 3 to produce relative slip under fixture block 5's limiting.

As shown in fig. 2 and 4, a second through hole 10 whose axis is perpendicular to the axis of the inner tube 3 is provided on the inner tube 3, a third through hole 12 whose axis is perpendicular to the axis of the outer tube 1 is provided on the outer tube 1, and the diameter of the second through hole 10 is equal to the diameter of the third through hole 12; the limiting part comprises a supporting plate 8 with the diameter larger than that of the second through hole 10, a cylinder 9 is fixedly connected to the supporting plate 8, and a cover plate 11 in threaded connection with one end, far away from the supporting plate 8, of the cylinder 9; insert outer tube 1 to second through-hole 10 with inner tube 3 and switch on the back completely with third through-hole 12, outer tube 1 forms the effect of sheltering from to fixture block 5, and then can avoid fixture block 5 to break away from first through-hole 7, it has the restriction effect to magnetic core 4 to have all the time to have to fixture block 5, insert cylinder 9 in second through-hole 10, in third through-hole 12 to the outer wall of buttressing board 8 and outer tube 1 inconsistent, and the periphery wall of cylinder 9 and the inner wall of second through-hole 10 this moment, the inner wall of third through-hole 12 is laminated mutually, with apron 11 threaded connection on cylinder 9 to apron 11 inconsistent with the outer wall of outer tube 1, can avoid inner tube 3 and outer tube 1 to produce the relative slip under the limiting effect of locating part, and then guaranteed that outer tube 1 has the effect of sheltering from to fixture block 5 all the time.

As shown in fig. 4, be equipped with on the outer wall of outer tube 1 and be annular recess 13, and the axial lead of recess 13 and the axial lead collineation of outer tube 1, it has retaining ring 2 to have the joint in recess 13, and retaining ring 2 forms the sheltering from to the locating part, and is more pleasing to the eye, retaining ring 2 is made by silica gel material, make retaining ring 2 have elastic deformation ability, when installing retaining ring 2, prop retaining ring 2 open and make its internal diameter grow, overlap retaining ring 2 on the outer wall of outer tube 1, and remove retaining ring 2 and make it block in recess 13, make the outer wall of outer tube 1 not have obvious bulge under the effect of recess 13, it is more comfortable when holding outer tube 1.

During installation, the magnetic core 4 is firstly inserted into the inner tube 3 until the key slot 6 is completely communicated with the first through hole 7, the fixture block 5 is embedded into the first through hole 7 and the key slot 6, and the magnetic core 4 and the inner tube 3 can be prevented from sliding relatively under the limiting action of the fixture block 5; insert inner tube 3 and switch on completely to second through-hole 10 and third through-hole 12 in outer tube 1, pass second through-hole 10 with the locating part, third through-hole 12 is fixed, can avoid inner tube 3 and outer tube 1 to produce relative slip under the limiting action of locating part, outer tube 1 forms the effect of sheltering from to fixture block 5 simultaneously, can avoid fixture block 5 to break away from in first through-hole 7, and then guaranteed between magnetic core 4 and the inner tube 3, the stability of being connected between inner tube 3 and the outer tube 1, have resistant falling, durable characteristics.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a magnetic rod, includes inner tube (3), with magnetic core (4) of inner tube (3) joint, its characterized in that: be equipped with keyway (6) on the periphery wall of magnetic core (4), be equipped with first through-hole (7) on inner tube (3), still including fixture block (5) of embedding first through-hole (7), keyway (6), still include and be connected and cover on the periphery wall of inner tube (3) and form outer tube (1) that shelters from to fixture block (5) for dismantling with inner tube (3), be equipped with second through-hole (10) on inner tube (3), be equipped with third through-hole (12) on outer tube (1), the axial lead direction of the axial lead direction perpendicular to inner tube (3) of second through-hole (10), third through-hole (12), still including running through second through-hole (10), third through-hole (12) and with outer tube (1) for dismantling the locating part of being connected.

2. A magnetic rod according to claim 1, wherein: the locating part comprises a cylinder (9) penetrating through a second through hole (10) and a third through hole (12), a supporting plate (8) with the diameter larger than that of the third through hole (12) is fixedly connected to one end of the cylinder (9), and a cover plate (11) with the diameter larger than that of the third through hole (12) is in threaded connection with the other end of the cylinder (9).

3. A magnetic rod according to claim 2, wherein: the outer peripheral wall of the outer pipe (1) is detachably connected with a check ring (2) which seals the limiting part.

4. A magnetic rod according to claim 3, wherein: and a groove (13) for accommodating the retainer ring (2) is formed in the peripheral wall of the outer tube (1).

5. A magnetic rod according to claim 4, wherein: the retainer ring (2) has elastic deformation capacity.

6. A magnetic rod according to claim 1, wherein: the magnetic cores (4) are provided with two groups and are symmetrically arranged at two ends of the inner pipe (3).

7. A magnetic rod according to claim 1, wherein: the distance between the center of gravity and the edge of the cross section of the outer pipe (1) is different.