KR101518447B1 - Preparation method of kids door - Google Patents

Abstract

The present invention relates to a manufacture method of a kids door and, more specifically, to a manufacture method of a kids door, which is mounted in the lower section of a general door to provide exclusive access for kids and is integrally manufactured by injection molding through a mold. According to the present invention, the manufacture method of a kids door reduces production costs and periods without the manufacture of two kinds of molds for a kids door and immediately responds to the needs of the customers.

Description

Preparation method of kids door < RTI ID = 0.0 >

The present invention relates to a method of manufacturing a kid's door, and more particularly, to a method of manufacturing a kid's door that is integrally formed by injection molding using a mold, which is mounted on a lower portion of an adult door for exclusive use by children.

In the entrance of children's facilities such as a daycare center or a kindergarten, there is an adult door for an adult, and a child door installed at a lower portion of the adult door with a small door adapted to a height of a child, .

Such children's door is generally made of wood or plastic material. In order to secure the visibility of the opposite side when entering and exiting, a glass is installed. In order to secure the safety of a child, such a glass is easily broken, use.

In addition, it is common to make rounded corners to prevent safety accidents caused by children 's hands getting caught in small openings for children and their main surfaces.

In addition, a variety of images have been developed to induce children's sympathy by forming various character images on the inside or outside of a door for a child.

When such a door is made of a plastic material, the door is generally formed by injection molding except for the portion where the middle glass is mounted. In addition, in many cases, a lattice is formed to give a brick-like feeling. When the lattice-shaped children's door is constructed, the lattice is usually provided mainly on the indoor side.

In the case of manufacturing a kid's door by injection molding a plastic material in this way, in the conventional case, after the integrated kid's door is manufactured, the kid's door is coupled to the adult's door by using a metal hinge. Since the metal hinge protrudes, It may happen that the body is hurt by the hinged metal hinge.

Therefore, when the metal hinge is engaged, the metal hinge is coupled to the metal hinge so that the metal hinge does not protrude to the outside. In this case, if the direction of opening and closing the door is changed, There is a problem in that two types of batteries must be manufactured. In such a case, there is a problem that the cost for manufacturing the mold is greatly increased and the manufacturing period of the kid's door is increased.

[Prior Art Literature]

Korean Patent Publication No. 2000-0006857

The present invention has been developed in order to solve the problems of the related art as described above, and it is an object of the present invention to provide a child- It is possible to manufacture a kid's door by injection molding in a state in which a hinge piece is provided at a position where a hinge is attached instead of a method of design so that even when the opening direction of the kid's door is changed, It is not necessary to prepare two molds for manufacturing a kids door, and it is an object of the present invention to provide a manufacturing method of a kids door that can greatly reduce manufacturing costs and manufacturing time.

According to an aspect of the present invention,

A hinged coupling part (25) provided at the upper or lower side of the window is provided with a pair of upper and lower pairs, Wherein a grip portion is formed on a side opposite to the hinge portion at a height position of a hand of a child,

Wherein the kid door is manufactured by injection molding a plastic material in a state in which the hinge piece configured to be integrally formed by injection molding is formed so that the hinge coupling part is recessed. ≪ / RTI >

In order to prevent the metal hinge from protruding outward when manufacturing a door for a child access exclusive use, it is necessary to manufacture a kid's door so that the position where the hinge is engaged is recessed by the thickness of the hinge. When it is necessary to change the opening / closing direction of the door, it is necessary to use two molds in the past to increase the manufacturing cost of the mold and thus to increase the manufacturing period of the children's door. When the method according to the present invention is used, If the hinge piece is injected in the state where the hinge piece made of a separate metal is provided at the position of the mold where the hinge coupling part is formed before injection, if the opening direction of the kid's door is changed but the hinge piece is injected in the opposite position, Of children's door is completed, you need to prepare a separate mold Not just because the production is possible, and can resolve issues rising costs simply by changing only the hinge convenience locations can solve the problem of increasing production time.

FIG. 1A shows a process of manufacturing a kids door according to the related art, and FIG. 1B shows that the kids door is installed at the lower part of the adult door.
FIG. 2A shows a process of manufacturing a kids door according to an embodiment of the present invention, and FIG. 2B shows a child door formed in the lower part of the adult door.
FIG. 3A shows a process of manufacturing a kids door according to another embodiment of the present invention, and FIG. 3B shows that the kids door is installed at a lower portion of the adult door.
FIG. 4A shows a method of manufacturing a kids door that is opened and closed as opposed to a kids door manufactured by FIG. 3A, and FIG. 4B shows that the kids door is installed at the lower portion of the adult door.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, and thus are not limitative of the scope of the invention.

FIG. 1A shows a process of manufacturing a kids door according to the related art, and FIG. 1B shows that the kids door is installed at the lower part of the adult door.

As shown in FIG. 1A, in the prior art, windows and patterns are designed on the lower mold 11a and the upper mold 11b in manufacturing a kid's door, and a plastic or the like is formed between the lower mold 11a and the upper mold 11b. A method of manufacturing a child's door 10 by injection molding and molding the material is used to attach the child's door 10 to the lower portion of the adult's door 12 using a metal hinge 13, (13a) protrudes, which can injure the body such as a child's hand or an arm.

In order to solve such a problem, a method of manufacturing a kid's door by designing a mold so as to be recessed by a side height of a hinge at a position where a hinge is engaged is used in injection molding of a kids door.

However, in the case of manufacturing a kid's door using the mold design modification, since the position where the hinge is depressed is changed when the opening / closing direction of the kid's door is changed, a problem of designing a new mold by reversing the position of the hinge- The manufacturing cost of molds increases and thus the manufacturing cost of the kids door increases. In addition, since the manufacturing period of the molds is increased, the entire manufacturing period of the products is increased, There was a problem that could not cope.

The present invention has been developed in order to solve such a problem, and it is possible to manufacture two kinds of kids door products by using the existing molds intact without newly preparing a separate mold, To provide a method of manufacturing a kids door that can respond to the demands of the kids door immediately.

FIG. 2A shows a process of manufacturing a kids door according to an embodiment of the present invention, and FIG. 2B shows a child door formed in the lower part of the adult door.

2A, a method of manufacturing a kids door according to the present invention includes:

A hinged coupling part (25) provided at the upper or lower side of the window is provided with a window for securing a view of the opposite side at the time of entrance and exit, and a hinged coupling part (25) And a grip portion is formed on the opposite side of the hinge engaging portion (25) at a height position of a hand of a child, the method comprising the steps of:

The hinge part 24 is integrally formed by injection molding, and the hinge part 24 is formed in the mold so that the hinge engaging part 25 is recessed. .

According to the method of the present invention, when the hinge engaging portion 25 is to be provided at the opposite position according to the customer's demand, the position of the hinge piece 24 It is possible to solve the problem of producing two kinds of molds as in the prior art.

FIG. 3A shows a process of manufacturing a kids door according to another embodiment of the present invention, and FIG. 3B shows that the kids door is installed at a lower portion of the adult door.

As shown in FIG. 3A, when the kid's door is integrally formed by injection molding, a knob piece 32 configured to have a hole at the center is additionally installed at a position where the knob portion 31 is formed, It is possible to manufacture a kids door by injection molding a plastic material.

FIG. 4A shows a method of manufacturing a kids door that is opened and closed as opposed to a kids door manufactured by FIG. 3A, and FIG. 4B shows that the kids door is installed at the lower portion of the adult door.

3A, when the hinge engaging portion 25 and the handle portion 31 need to be formed opposite to the case of Fig. 3A, the hinge piece 24 and the handle piece 32 are formed as shown in Fig. 3A The injection molding of the plastic material is completed to manufacture the kid's door. Therefore, there is no need to separately prepare the designed molds.

Further, in the present invention, it is preferable that the upper vertex portion of the kid's door is round-shaped and mounted on the lower portion of the adult door so as to match the emotion of the child.

In addition, in the present invention, it is preferable that the corner portion of the kid's door is made round so as to prevent a child's hand from being hurt.

In addition, in the present invention, it is preferable that a child image be sympathetic by allowing a character image to be formed in the door grill piece of the kids door.

According to the method of the present invention, it is not necessary to manufacture two kinds of large doors for a door main body when manufacturing a kid door installed at the lower part of the adult door by the injection molding method, The manufacturing period can be shortened, and it is possible to respond to the needs of the consumers immediately.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the appended claims. You will understand.

10: Kid's door 11a: Lower mold
11b: upper mold 12: adult door
13: metal hinge 13a: metal hinge side
20: Kids door 21a: Lower mold
21b: upper mold 22: adult door
23: metal hinges 24: hinged pieces
25: hinge coupling part 31: handle part
32: Handle

Claims (5)

A hinged coupling part which is provided at the upper part of the window and can be secured to the left or right side of the window so as to secure a view of the opposite side when the door is opened and closed, Wherein a handle portion is formed on the opposite side of the hinge engaging portion at a position of a hand height of the hinge portion,
Wherein the hinged coupling part is formed at a position of a mold where a hinge coupling part is formed and a separate metal hinge piece configured to be recessed by a height of the hinge side part is manufactured by injection molding, Wherein when the door opening / closing direction of the kid's door is changed and the hinge coupling part is to be provided at the opposite position, the position of the hinge piece is reversely moved and injection-molded to manufacture the kid's door.
[2] The method as claimed in claim 1, wherein, in manufacturing the kid's door integrally by injection molding, a plastic material is injection-molded in a state where a knob piece having a hole formed at the center is formed at a position where the knob is formed, Wherein the door is made of a synthetic resin.
The method as claimed in claim 1, wherein the window is composed of a lattice window, and the lattice is provided only inside the window.
[2] The method as claimed in claim 1, wherein the upper vertex portion of the kid's door is rounded and mounted on the lower portion of the adult door.
The method as claimed in claim 1, wherein the corner of the kid's door is rounded so that a child's hand is not caught.

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