KR101981306B1 - Waterproofing magnetic buckle and method for waterproofing magnetic buckle - Google Patents

Abstract

A waterproof type magnetic buckle is disclosed, wherein the waterproof type magnetic buckle includes: a housing in which a magnet is embedded and sealed to the magnet; And a ring formed on one side of the housing, wherein the magnet is coupled with another waterproof type magnetic buckle by the magnetic force between the magnet and the magnet of the other waterproof type magnetic buckle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof type magnetic buckle and a waterproof type magnetic buckle,

The present invention relates to a waterproof type magnetic buckle and a manufacturing method of a waterproof type magnetic buckle.

A typical buckle structure, such as a button, has the disadvantage that it is inconvenient to engage and disengage. Accordingly, when the above-described general buckle structure is applied to clothes, it is difficult to unbuckle the buckle structure when the buckle structure breaks down during exercise or other activities. In addition, when used for a certain period of time, it was easy to break down due to aging.

On the other hand, the magnetic buckle is useful in the field where it needs to be fastened and released in one hand and in a short time. For example, it may be useful for work clothes for workers who do work that can get on the machine. Also, it can be applied to underwear such as women's swimwear, brassiere, bags and the like.

However, in order to apply such a magnetic buckle to a swimwear or the like, it is necessary to seal the magnet for the life of the magnet embedded in the inside of the magnetic buckle. Conventionally, the magnetic seal of the magnet type buckle is insufficient, so that there is a fear that the garment to which the magnetic type buckle is applied is damaged when it is washed in the washing machine. Accordingly, there has been a demand for a waterproof type magnetic buckle which has a light and simple structure and is easy to manufacture while sealing the magnet, and a manufacturing method thereof.

Such a technique as the background of the present invention is disclosed in Korean Registered Utility Model No. 20-0219966.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a waterproof type magnetic buckle and a waterproof type magnetic buckle which can have a light and simple structure, And a method thereof.

As a technical means for achieving the above technical object, a waterproof type magnetic buckle according to the first aspect of the present invention is a waterproof type magnetic buckle, in which a magnet is embedded and is sealed with respect to the magnet, A housing having a protruded protrusion extending along the longitudinal direction and having a depression at one side thereof capable of engaging with protrusions of other buckles; The housing includes a lower half housing part having a ring on one side and a lower housing part receiving the lower part of the magnet, and an upper housing part having an upper housing part disposed on the lower half housing part and receiving the upper part of the magnet. Wherein at least one of a rim of the lower half housing part and a rim of the upper half housing part is provided with a dissolution protrusion projecting upwardly or downwardly and the width of the dissolution protrusion is 0.3 mm to 0.7 mm, The protrusion height is 0.02 mm to 0.06 mm and the rim of the lower half housing part and the rim of the upper half housing part are welded and sealed to the magnets by dissolving the dissolution protrusion by vibration, It is combined with other waterproof type magnetic buckle by the magnetic force between the magnets of the buckle. Can.

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According to a second aspect of the present invention, there is provided a method of manufacturing a waterproof type magnetic buckle, comprising: (a) fabricating an upper half housing part having a lower half housing part and a lower accommodating part, the upper half housing part having a ring on one side thereof; (b) assembling the lower half housing part, the magnet and the upper half housing part so that a lower portion of the magnet is accommodated in the lower accommodating part and an upper part of the magnet is accommodated in the upper accommodating part; (c) welding the rim of the lower half housing part and the rim of the upper half housing part to seal the lower half housing part and the upper half housing part while sealing the magnet.

The above-described task solution is merely exemplary and should not be construed as limiting the present invention. In addition to the exemplary embodiments described above, there may be additional embodiments in the drawings and the detailed description of the invention.

According to the above-mentioned object of the present invention, a waterproof type magnetic buckle having a simple and light structure can be realized while ensuring the sealability to the magnet. Particularly, since the lower half housing part and the upper half housing part are bonded by welding, a waterproof type magnetic buckle can be realized in which the manufacturing method is easy and the bonding force is further strengthened (improved). Therefore, even if the clothes are washed or the clothes are submerged in water, water penetration into the inside (magnet) can be prevented, corrosion of the magnets due to water can be prevented, and durability can be ensured It can be used semi-permanently.

FIG. 1 is a schematic conceptual perspective view illustrating the coupling of waterproof type magnetic buckles according to an embodiment of the present invention.
2 is a schematic exploded view of a waterproof type magnetic buckle according to an embodiment of the present invention.
3 is a schematic cross-sectional view of a waterproof type magnetic buckle according to an embodiment of the present invention. 3 shows a state in which the upper half housing part and the lower half housing part are welded together by dissolving the melting projections.
4 is a schematic cross-sectional view of a buckle according to an embodiment of the present invention in which the dissolution protrusion is assembled before dissolving to explain the dissolution protrusion of the waterproof type magnetic buckle according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

In the entire specification of the present invention, when a part is referred to as being "connected" to another part, it is not necessarily the case that it is "directly connected", but also "electrically connected" .

In the entire specification of the present invention, when it is assumed that a member is located on another member "top", "top", "under", "bottom", "bottom" As well as the case where another member exists between the two members.

Throughout the specification of the present invention, when a part is referred to as " including " an element, it is understood that it may include other elements as well, without excluding other elements unless specifically stated otherwise.

In the description of the embodiments of the present invention, the terms (upper side, upper side, lower side, lower side, and the like) related to directions and positions are set based on the arrangement state of each structure shown in the drawings. 1 to 4, the 12 o'clock direction is generally the upper side, the 12 o'clock side generally faces the upper side, the 6 o'clock side is generally lower, and the side facing the 6 o'clock direction is the lower side .

The present invention relates to a waterproof type magnetic buckle and a manufacturing method of a waterproof type magnetic buckle.

Hereinafter, a waterproof type magnetic buckle (hereinafter referred to as "buckle") according to an embodiment of the present invention will be described.

Fig. 2 is a schematic exploded view of the buckle, Fig. 3 is a schematic cross-sectional view of the buckle, Fig. 4 is a schematic cross-sectional view of the buckle, Is a schematic cross-sectional view of the buckle in a state in which the buckle is assembled before the dissolution protrusion is dissolved to explain the dissolution prominence of the buckle. 3 shows a state in which the upper half housing part and the lower half housing part are welded together by dissolving the melting projections.

Referring to FIG. 1, the buckle includes a housing 1. The buckle also includes a ring (2) formed on one side of the housing (1). The ring 2 can connect the housing 1 to the object to which the present buckle is applied. For example, if the buckle is applied to a swimwear, one end of the swimwear may be joined to the ring 2. Accordingly, the housing 1 can be mounted on the swimwear.

Referring to Fig. 2, the housing 1 is provided with a magnet 3 therein. Further, the housing is sealed with respect to the magnet 3. The fact that the housing 1 is sealed with respect to the magnet 3 means that the external force does not come into contact with the magnet 3 built in the housing 1 or with the magnet 3 inside the housing 1, It may mean that the housing 1 is provided so that no material is introduced. Will be described in detail later.

Referring to FIG. 2, the housing 1 may include a lower half housing part 11. As shown in FIG. Further, the housing 1 may include an upper half housing portion 12. [ Referring to FIGS. 2 and 3 together, a ring 2 may be provided on one side of the lower half housing part 11. As shown in FIG. The lower half housing part 11 may have a lower receiving part 112 in which the lower part of the magnet 3 is received. 3, the upper half housing part 12 may have an upper receiving part 122 disposed on the lower half housing part 11 and receiving the upper part of the magnet 3. [

In this housing 1, the lower half housing part 11 and the upper half housing part 12 are fusion bonded (fusion bonding) between the rim of the lower half housing part 11 and the rim of the upper half housing part 12, The magnet 3 can be sealed and coupled to the magnet 3 by a magnetic field.

Specifically, at least one of the rim of the lower half housing part 11 and the rim of the upper half housing part 12 may be provided with a dissolution protrusion 123 protruding upward or downward. In other words, the fusing projections 123 may be formed along the rim at one or more of the rim of the lower half housing part 11 and the rim of the upper half housing part 12. [ For example, referring to FIG. 4, a dissolution protrusion 123 protruding downward may be formed on a rim of the upper half housing part 12. As shown in FIG.

The rim of the lower half housing part 11 and the rim of the upper half housing part 12 can be welded together by dissolving the melting projections 123 by vibration. Illustratively, the dissolution protrusion 123 can be dissolved due to the ultrasonic vibration, for example, the dissolution protrusion 123 can be dissolved by the ultrasonic vibrational friction heat.

Through the fusion between the rim of the lower half housing part 11 and the rim of the upper half housing part 12, the housing 1 is made to be sealed to the magnet 3 while receiving the magnet 3 therein .

Illustratively, the width of the fused protrusions 123 may be between 0.3 mm and 0.7 mm. In addition, the protrusion height of the dissolution protrusion 123 may be 0.02 mm to 0.06 mm. Preferably, the width of the dissolution protrusion 123 is 0.5 mm and the protrusion height is 0.03 mm to 0.05 mm. According to this numerical range, the dissolution protrusions 123 can be melted without prolonged vibration. Illustratively, the vibration may be applied so that the instantaneous temperature of the fused protrusion 123 is 240 占 폚. In other words, vibration may be applied so that the instantaneous temperature of the frictional heat generation amount becomes 240 캜.

The rim of the lower half housing part 11 and the rim of the upper half housing part 12 are melted by fusion of the molten projections 123 so that the rim of the lower half housing part 11 and the rim of the upper half housing part 12 The lower half housing part 11 and the upper half housing part 12 can be formed without minimizing the deformation of the rim of the lower half housing part 11 and the rim of the upper half housing part 12, ) Can be hermetically sealed. When the lower half housing part 11 and the upper half housing part 12 are welded together, an inner space formed between the lower half housing part 11 and the upper half housing part 12 is formed in a vacuum state, Lt; / RTI > For example, when vibration is applied to the dissolution protrusion 123 while pressing at least one of the lower half housing part 11 and the upper half housing part 12 in the direction toward the other side, the lower half housing part 11 and the upper half housing part 12 The inner space formed between the half housing parts 12 is formed in a vacuum state and welding can be performed.

The buckle is also engaged with the other buckle. This buckle is engaged (adhered to each other) by the magnetic force between its magnet 3 and the magnet 3 of the other buckle. Further, the buckle different from the present buckle can be disengaged by an external force stronger than the magnetic force. For example, the joined main buckle and the other main buckle can be separated when an external force is applied to each other so as to be separated from each other.

Referring to FIG. 1, a protrusion 121 protruding upward may be formed on the other side of the housing 1 along the length direction. A depression 111 capable of engaging with another projection 121 of the present buckle may be formed on one side of the housing 1. [ Illustratively, when the present buckle and another main buckle are engaged by magnetic force, the depression 111 of this buckle and the protrusion 121 of the other buckle can be engaged with each other. By engaging the depression 111 of the main buckle with the protrusion 121 of the other buckle, it is possible to prevent disengagement of the main buckle in one direction and the other direction.

Thus, when the external force acts in the vertical direction, the buckle other than the present buckle can be disengaged from the buckle. In addition, with respect to the external force in one direction and the other direction, disengagement of the present buckle from another buckle can be prevented.

Also, for reference, the housing 1 and the ring 2 may be made of ABS. More specifically, it may be made of PC ABS. Accordingly, the buckle can be suitable for use in clothes. 5 and 6, the content of the phthalate plasticizer, the content of lead and the content of cadmium, respectively, of the magnet 3 and the housing 1 and the ring 2 made of the above- By failing to meet the safety standards for children's textile products, they may be suitable for use in children's textiles.

Since the buckle includes the housing 1 and the ring 2 in which the magnet 3 is housed, the buckle can have a light and simple structure and the sealability with respect to the magnet 3 can be ensured, Available.

When the buckle is applied to a garment such as a swimwear sportswear or a bag, convenience of the user can be ensured because the buckle can be easily engaged and disengaged between the buckle and another buckle.

In addition, according to the above-described buckle, since the coupling between the upper half housing part 12 and the lower half housing part 11 can be vacuum-sealed by welding using the ultrasonic vibration frictional heat, a complete waterproof effect can be secured have. Accordingly, even if the clothes to which the present buckle is applied are washed, water can be prevented from penetrating into the buckle, for example, the magnet 3, and corrosion of the magnet 3 can be prevented.

Hereinafter, a method of manufacturing a waterproof type magnetic buckle according to another embodiment of the present invention (hereinafter referred to as a "buckle manufacturing method") will be described. It should be noted that the same reference numerals are used for the same or similar components as those of the present buckle described above with respect to the description of the present buckle manufacturing method, and redundant descriptions will be simplified or omitted.

The method for manufacturing the buckle includes a step of manufacturing the lower half housing part 11 and the upper half housing part 12 (first step). In the first step, the lower half housing part 11 is provided with a ring 2 on one side and a lower receiving part 112. In addition, the first step is to manufacture the upper half housing 12 to have the upper receiving portion 122.

In the first step, a dissolution protrusion 123 protruding upward or downward may be formed on at least one of the rim of the lower half housing part 11 and the rim of the upper half housing part 12. Preferably, a dissolution protrusion 123 protruding downward from the rim of the upper half housing part 12 may be formed. Illustratively, the width of the fused protrusions 123 may be between 0.3 mm and 0.7 mm. In addition, the protrusion height of the dissolution protrusion 123 may be 0.02 mm to 0.06 mm. Preferably, the width of the dissolution protrusion 123 is 0.5 mm and the protrusion height is 0.03 mm to 0.05 mm.

Illustratively, the first stage can be manufactured by putting the material constituting each of the upper half housing part 12 and the lower half housing part 11 into an injection molding die. For example, the first step may be to heat the solid state PC ABS material into an injection mold until it is in a liquid state. Thereafter, the dye may be added to the liquid material in accordance with the hue of the upper half housing part 12 and the lower half housing part 11 to be formed. At this time, the concentration of the color can be determined according to the amount of pigment added.

In the first step, the upper half housing part 12 and the lower half housing part 11 can be manufactured by injecting the liquid material into the prepared mold die and performing an injection molding operation. Each of the prepared metal molds may have a shape corresponding to the shape of each of the upper half housing part 12 and the lower half housing part 11 such that the upper half housing part 12 and the lower half housing part 11 are formed . 3, the first step may be such that the thickness a of each of the lower half housing part 11 and the upper half housing part 12 is 0.7 mm. This is to maintain the magnetic force between the present buckle and the other buckle so as to secure the binding force. However, the numerical values are not limited thereto.

In addition, as described in the first step, the width of the dissolution protrusions 123 (see Fig. 4, the length in the direction of 3 o'clock to 9 o'clock) may be 0.3 mm to 0.7 mm. The protrusion height of the dissolution protrusion 123 (see Fig. 4, length in the direction of 12 o'clock -6 o'clock) may be 0.02 mm to 0.06 mm. Preferably, the width of the dissolution protrusion 123 is 0.5 mm and the protrusion height is 0.03 mm to 0.05 mm.

The method of manufacturing the buckle according to the present invention is characterized in that the lower housing portion 112 is accommodated in the lower accommodating portion 112 and the lower housing portion 11 and the magnets 3 are accommodated in the upper accommodating portion 122 to accommodate the upper portion of the magnet 3 3 and the upper half housing part 12 (second step).

The method of manufacturing the buckle according to the present invention is such that the rim of the lower half housing part 11 and the rim of the upper half housing part 12 are welded together and the lower half housing part 11 and the upper half housing part 12, And a step (third step) of joining the parts 12. In the third step, the dissolution protrusion 123 is dissolved by vibration, so that the rim of the lower half housing part 11 and the rim of the upper half housing part 12 can be welded together.

In the second and third steps, after the lower half housing part 11 is supported on the mold frame, the magnets are placed in the lower housing part 112 and the upper housing part 12 of the upper half housing part 12 The upper half housing part 12 is positioned so that the upper half housing part 12 covers the lower half housing part 11 and then the vibration welding can be performed using the plastic ultrasonic welding technique. have. At this time, the vibration may be applied along the rim of the lower half housing part 11 or the rim of the upper half housing part 12 so that the vibration is applied to the dissolving protrusion 123. During vibration welding, the instantaneous temperature of the calorific value of friction may be 240 캜. In the third step, the dissolution protrusion 123 may be vibrated while pressing at least one of the lower half housing part 11 and the upper half housing part 12 in the direction toward the other side. Accordingly, the inner space formed between the lower half housing part 11 and the upper half housing part 12 is formed in a vacuum state and welding can be performed.

As described above, according to the method of manufacturing the present buckle, since the rim of the lower half housing portion 11 and the rim of the upper half housing portion 12 are engaged while the dissolution protrusion 123 is melted by the vibration welding, The coupling strength between the lower half housing part 11 and the upper half housing part 12 can be further strengthened (improved) while securing the sealing property with respect to the upper half housing part 12. As a result, a buckle having a completely waterproof effect can be produced.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

1: Housing
11: Lower half housing part
111: Depression
112: lower receiving portion
12: upper half housing part
121: projection
122:
123: dissolution projection
2: Ring
3: magnet

Claims (5)

In the waterproof type magnetic buckle,
A housing in which a magnet is embedded and the housing is sealed with respect to the magnet, a protrusion protruding upward is formed on the other side of the housing, and a depression capable of engaging with a projection of another buckle is formed on one side of the housing;
The housing includes a lower half housing part having a ring on one side and a lower housing part receiving the lower part of the magnet, and an upper housing part having an upper housing part disposed on the lower half housing part and receiving the upper part of the magnet. Including,
Wherein at least one of a rim of the lower half housing part and a rim of the upper half housing part is provided with a dissolution protrusion projecting upwardly or downwardly,
The width of the dissolution protrusion is 0.3 mm to 0.7 mm, the protrusion height of the dissolution protrusion is 0.02 mm to 0.06 mm,
The ridge of the lower half housing part and the rim of the upper half housing part are welded and sealed to the magnet,
A waterproof type magnetic buckle coupled to another waterproof type magnetic buckle by the magnetic force between the magnets and the magnet of the other waterproof type magnetic buckle. delete delete A method for manufacturing a waterproof type magnetic buckle,
(a) manufacturing an upper half housing part having a lower half housing part and a lower receiving part, the upper half housing part having a ring on one side and a lower receiving part;
(b) assembling the lower half housing part, the magnet and the upper half housing part so that a lower portion of the magnet is accommodated in the lower accommodating part and an upper part of the magnet is accommodated in the upper accommodating part;
(c) welding the rim of the lower half housing part and the rim of the upper half housing part to the lower half housing part and the upper half housing part while sealing the magnet,
In the step (a), at least one of a rim of the lower half housing part and a rim of the upper half housing part may have a dissolution protrusion protruding upward or downward, the dissolution protrusion having a width of 0.3 mm to 0.7 mm, The protrusion height of the dissolution protrusion is 0.02 mm to 0.06 mm,
In the step (c), the ridge of the lower half housing part and the rim of the upper half housing part are welded together by dissolving the dissolution protrusion by vibration. delete

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