CN209865323U

CN209865323U - Injection magnetic toy

Info

Publication number: CN209865323U
Application number: CN201920388950.4U
Authority: CN
Inventors: 李钦伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2019-12-31
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a magnetic force toy moulds plastics, including first casing (1), second casing (2), put piece (4) and magnet (3) in, be equipped with on second casing (2) and hold cavity (21), magnet (3) are located this and hold cavity (21). The middle sheet (4), the first shell (1), the second shell (2) and the magnet (3) are integrally molded through injection, a notch (41) is formed in the position, corresponding to the accommodating cavity (21), of the middle sheet (4), and the accommodating cavity (21) is located in the notch (41) and is attached to the notch (41). The injection molding magnetic toy has the advantages that the middle piece (4), the first shell (1), the second shell (2) and the magnet (3) are integrally injection molded, the accommodating cavity (21) is clamped and fixed by the middle piece (4), the bonding strength between the shells is enhanced, even if the toy is damaged, the first shell (1), the second shell (2) and the magnet (3) cannot fall off, and the safety of a product is improved.

Description

Injection magnetic toy

Technical Field

The utility model relates to a toy field especially relates to a magnetic force toy moulds plastics.

Background

The magnetic toy is a popular educational toy, is suitable for all ages, and is particularly suitable for children or teenagers. The principle of magnetic toy is to install magnet in the casing of multiple shape, because magnet can adsorb each other, consequently if there are a plurality of magnetic toys, can realize assembling of multiple shape between them, and this kind of technical means has realized connecting device's accurate location moreover, and difficult removal after connecting has firm in connection, advantages such as the split is convenient, has very wide market space.

The magnetic toy in the prior art generally comprises two shells and a magnet, wherein the magnet is fixed in the shells, and then the two shells are connected together through riveting, ultrasonic welding and other processes. Such a magnetic toy has the following problems:

firstly, the product defect rate is high, toy assembly parts are often not suitable, the quality problems of warping, dents and the like exist in most of toys adopting riveting and ultrasonic welding, and the service life of the product is short;

secondly, the sealing performance between the toy shells is poor, the upper shell and the lower shell of the toy are easy to separate, the magnet in the shells is easy to fall off, and when the magnetic-iron-free magnetic-iron toy is used by children, teenagers or other persons with poor intelligence, the magnet can be swallowed possibly, so that potential safety hazards exist;

thirdly, the process is complex, riveting and ultrasonic welding processes need to be used after the injection molding is finished, and the production efficiency is restricted.

SUMMERY OF THE UTILITY MODEL

Based on the defects, the utility model provides an injection molding magnetic toy with strong adhesion among toy components and good product safety performance, which comprises a first shell, a second shell and a magnet, wherein the first shell and the second shell enclose to form a containing space, the second shell is provided with a containing cavity, and the magnet is positioned in the containing cavity; the magnet-contained shell is characterized by further comprising a middle-placed piece integrally formed with the first shell, the second shell and the magnet in an injection molding mode, the middle-placed piece is located in the containing space, a notch is formed in the position, corresponding to the containing cavity, of the middle-placed piece, and the containing cavity is located in the notch and is connected with the notch in an attaching mode.

Furthermore, the accommodating cavity comprises a groove part extending downwards and a protruding part which is positioned at two sides of the groove part and extends upwards, and the gap of the middle-placed sheet is positioned around the outer parts of the groove part and the protruding part and is connected with the groove part and the protruding part in an attaching way; the horizontal surfaces of the protruding portion and the groove portion are higher than the horizontal surface of the middle sheet, and the top surface of the protruding portion is attached to the inner surface of the first shell.

Further, the shape of the groove portion is adapted to the shape of the magnet, the size of the groove portion is larger than that of the magnet, and the magnet moves relative to the groove portion.

Furthermore, a first groove extending inwards is formed in the outer surface of the first shell, a second groove extending inwards is formed in the outer surface of the second shell, and the position of the second groove corresponds to the position of the first groove; the upper surface of the middle sheet is attached to the bottom surface of the first groove, and the lower surface of the middle sheet is attached to the bottom surface of the second groove.

The injection molding machine further comprises a sprue connected with a pouring gate of the injection molding machine, the sprue is located between the first shell and the second shell, and a protruding portion is arranged on the middle piece and located in the sprue and connected with the sprue in an attaching mode.

Further, the middle sheet is made of a non-magnetic material.

The first and second housings are injection molded and have shapes including, but not limited to, quadrilateral.

Compared with the prior art, the utility model discloses a magnetic force toy moulds plastics, put in the piece in the accommodation space that first casing, second casing enclose with the integrative injection moulding of first casing, second casing, should put in the piece with combine closely between first casing, the second casing, do not have the gap, strengthened the adhesive strength between the casing, whole magnetic force toy of moulding plastics only need once mould plastics technology can be fixed first casing, second casing and magnet, simplified production technology, improved production efficiency. Set up on the second casing and hold the cavity, at injection moulding's in-process, put the piece and closely laminate with the periphery that holds the cavity in, and then make first casing, second casing, hold the cavity and put the piece and connect into a whole, first casing and second casing are difficult is fallen into two parts to outside leading to the magnet to drop the casing, cause the potential safety hazard, the utility model discloses a magnetic toy moulds plastics, the security performance is higher, and the life of product is longer.

Drawings

FIG. 1 is an exploded view of the injection-molded magnetic toy of the present invention;

FIG. 2 is a schematic structural view of the middle-placed piece of the injection-molded magnetic toy of the present invention;

FIG. 3 is a schematic structural view of a second housing of the injection-molded magnetic toy of the present invention;

fig. 4 is a schematic structural view of the first housing of the injection molding magnetic toy of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. a magnet; 4. placing the sheet in the middle; 6. a pouring channel; 11. a first groove; 21. a receiving cavity; 22. a gate; 41. a notch; 42. a protruding portion; 211. a groove part; 212. a raised portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, and the specific embodiments described herein are only used for explaining the present invention and are not used for limiting the present invention.

For better description of the technical solution of the present invention, the terms "upper portion", "lower portion" and "bottom portion" are used to indicate the position or position relationship, and only refer to the position or position relationship shown in the drawings, and the purpose is to simplify the description of the present invention, and the present invention is not limited to the above description. In the examples, "above" and "below" include the same numbers.

As shown in fig. 1, the injection molding magnetic toy of the present invention comprises a first casing 1, a second casing 2, a middle sheet 4 and a magnet 3, wherein the first casing 1 and the second casing 2 enclose and form a containing space, and the middle sheet 4 is located in the containing space. The second housing 2 is provided with an accommodating cavity 21, and the magnet 3 is located in the accommodating cavity 21. The middle sheet 4, the first shell 1, the second shell 2 and the magnet 3 are integrally molded through injection, a notch 41 is formed in the position, corresponding to the accommodating cavity 21, of the middle sheet 4, and the accommodating cavity 21 is located in the notch 41 and is connected with the notch 41 in an attaching mode.

The utility model discloses a magnetic force toy moulds plastics, put piece 4 in the accommodation space that first casing 1, second casing 2 enclose with first casing 1, the integrative injection moulding of second casing 2, should put piece 4 in with closely combine between first casing 1, the second casing 2, do not have the gap, strengthened the adhesive strength between the casing, whole magnetic force toy of moulding plastics only need once mould plastics technology can be fixed first casing 1, second casing 2 and magnet 3, simplified production technology, improved production efficiency. Set up on the second casing 2 and hold cavity 21, at injection moulding's in-process, put in piece 4 and the peripheral laminating that holds cavity 21 closely, and then make first casing 1, second casing 2, hold cavity 21 and put 4 connection of piece and become a whole, even the toy is destroyed, its first casing 1 and second casing 2 are also difficult to be broken into two parts to outside leading to magnet 3 to drop the casing, causing the potential safety hazard, the utility model discloses a magnetic force toy moulds plastics, the security performance is higher, and the life of product is longer.

As shown in fig. 2, in the injection magnetic toy of the present invention, a gate 22 connected to a runner 6 of an injection molding machine is further disposed between the first casing 1 and the second casing 2, and a stock solution of the middle-placed piece 4 is injected into a containing space of the first casing 1 and the second casing 2 along the runner 6 and the gate 22; after the injection molding process is finished, the cutting is carried out along the gate 22, at this time, the extension portion 42 is formed on the middle placing sheet 4, the extension portion 42 is located in the gate 22, and the whole middle placing sheet 4 is in injection molding connection with the first shell 1 and the second shell 2, so that the combination is tighter. The stock solution of the middle-placed piece 4 is preferably a non-magnetic material, so that the influence on the magnetism of the magnet 3 is avoided, and the service life of the product is ensured; of course, the material and color of the middle sheet 4 may be the same as or different from those of the first casing 1 and the second casing 2, and the specific material may be selected according to actual requirements. The first casing 1 and the second casing 2 may also be made of different materials and manufactured by different processes, which may be processes in the prior art and are not described herein.

As shown in fig. 3, the accommodating cavity 21 of the second housing 2 includes a groove portion 211 extending downward and a protrusion portion 212 extending upward and located at both sides of the groove portion 211, and the notch 41 of the middle plate 4 is located around the outer portions of the groove portion 211 and the protrusion portion 212 and is in fit connection with the groove portion 211 and the protrusion portion 212; the horizontal plane of the protruding part 212 and the groove part 211 is higher than the horizontal plane of the middle sheet 4, and the top surface of the protruding part 212 is attached to the inner surface of the first housing 1. In the injection molding process, the stock solution of the middle-placed 4 pieces enters the accommodating space along the pouring gate 6 and the pouring gate 22, and because the horizontal planes of the convex part 212 and the groove part 211 are higher than the horizontal plane of the middle-placed piece 4, the stock solution of the middle-placed piece 4 cannot flow into the accommodating cavity 21 of the second shell 2 and contact with the magnet 3, and the activity and magnetism of the magnet 3 are further influenced. In addition, the top surface of the protruding portion 212 is attached to the inner surface of the first housing 1, so that the first housing 1 and the second housing 2 can be combined more tightly in the injection molding process, and the adhesion strength between the housings is further enhanced. In practical production, the shape of the groove portion 211 is adapted to the shape of the magnet 3, and the size of the groove portion 211 is larger than the size of the magnet 3, so that the magnet 3 can move relative to the groove portion 211, and when different magnetic toys are combined, the magnet 3 can move in the groove portion 211 in a small range according to combination requirements, so that the combination of the magnetic toys can be smoother.

As shown in fig. 4, the injection molding magnetic toy of the present invention, the outer surface of the first casing 1 is provided with a first groove 11 extending inward, the outer surface of the second casing 2 is provided with a second groove extending inward, and the position of the second groove corresponds to the position of the first groove 11. The first casing 1 and the second casing 2 are provided with the inward first groove 11 and the inward second groove, when the injection molding process is carried out, the upper surface of the middle sheet 4 is attached to the bottom surface of the first groove 11, the lower surface of the middle sheet 4 is attached to the bottom surface of the second groove, the contact area of the whole middle sheet 4 with the first casing 1 and the second casing 2 is larger, and the bonding strength of the first casing 1, the second casing 2 and the middle sheet 4 can be further enhanced. The depth of the first groove 11 and the second groove can be designed according to the thickness of the accommodating space between the first shell 1 and the second shell 2, so that the contact between the first groove 11 and the second groove and the upper and lower surfaces of the middle-placed piece 4 is optimal.

The production process of the injection molding magnetic toy comprises the following steps:

firstly, manufacturing a first shell 1 and a second shell 2 of the magnetic toy by adopting a plastic injection process; the first casing 1 and the second casing 2 may be triangular, quadrangular, pentagonal, hexagonal, octagonal, fan-shaped, circular, etc., and the shapes thereof include, but are not limited to, the above-listed shapes, and may be other regular or irregular patterns;

in a second step, the magnet 3 is placed in the accommodating cavity 21 of the second housing 2, and this step may be performed manually, by a robot, or by other automated schemes.

Thirdly, buckling the first shell 1 and the second shell 2 and then placing the buckled first shell and the second shell in an injection mold, then injecting the injection mold by an injection molding machine, enabling injection molding materials to enter a containing space formed by the first shell 1 and the second shell 2 along an injection molding pouring gate 6 and a pouring gate 22, forming a middle piece 4 in the first shell 1 and the second shell 2, and forming a notch 41 on the middle piece 4 at the position of a containing cavity 21; the injection molding material is preferably a non-magnetic material, so that the influence on the magnetism of the magnet 3 is avoided, and the service life of the product is ensured;

and fourthly, cutting off the injection runner 6 along the sprue 22 after the injection molding is finished, cooling the middle sheet 4, and tightly bonding the first shell 1, the second shell 2 and the accommodating cavity 21 together by the cooled middle sheet 4.

The utility model discloses a magnetic force toy moulds plastics only needs once injection moulding process can be fixed first casing 1 and second casing 2, put piece 4 and hold cavity 21 bonding in, does not need traditional ultrasonic welding technology, has strengthened the adhesive strength between the casing, has prolonged the life of product, has simplified production technology greatly, has improved production efficiency.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a magnetic toy moulds plastics, includes first casing (1), second casing (2) and magnet (3), first casing (1) and second casing (2) enclose to close and form accommodation space, be equipped with on second casing (2) and hold cavity (21), magnet (3) are located hold in cavity (21), its characterized in that still includes with first casing (1), second casing (2) and magnet (3) integrative injection moulding's centrally-located piece (4), centrally-located piece (4) are located in the accommodation space, just centrally-located piece (4) with the position department that accommodation cavity (21) corresponds is equipped with breach (41), accommodate cavity (21) and be located in breach (41) and with breach (41) laminating is connected.

2. An injection molded magnetic toy according to claim 1, wherein said receiving cavity (21) comprises a recessed portion (211) extending downward and a protruding portion (212) located at both sides of said recessed portion (211) and extending upward, said notch (41) of the center sheet (4) being located around the outer portions of said recessed portion (211) and protruding portion (212) and being in abutting connection with said recessed portion (211) and protruding portion (212); the horizontal surfaces of the protruding portion (212) and the groove portion (211) are higher than the horizontal surface of the middle sheet (4), and the top surface of the protruding portion (212) is attached to the inner surface of the first shell (1).

3. An injection moulded magnetic toy according to claim 2, wherein the shape of the recess portion (211) is adapted to the shape of the magnet (3), the size of the recess portion (211) being larger than the size of the magnet (3), the magnet (3) being movable relative to the recess portion (211).

4. An injection moulded magnetic toy according to claim 3, wherein the first casing (1) is provided with an inwardly extending first groove (11) on its outer surface, and the second casing (2) is provided with an inwardly extending second groove on its outer surface, the position of the second groove corresponding to the position of the first groove (11); the upper surface of the middle sheet (4) is attached to the bottom surface of the first groove (11), and the lower surface of the middle sheet (4) is attached to the bottom surface of the second groove.

5. An injection molding magnetic toy according to claim 1, further comprising a gate (22) connected to a runner (6) of an injection molding machine, wherein the gate (22) is located between the first casing (1) and the second casing (2), the middle sheet (4) is provided with a protruding portion (42), and the protruding portion (42) is located in the gate (22) and is in fit connection with the gate (22).

6. An injection moulded magnetic toy according to any one of claims 1 to 5, wherein the central piece (4) is of non-magnetic material.

7. An injection moulded magnetic toy according to any one of claims 1-5, wherein the first (1) and second (2) housings are injection moulded in a shape including but not limited to a quadrilateral.