KR20160112624A - Clip - Google Patents

Abstract

The present invention relates to a clip for fixing a supplementary frame in a detachable foaming mold. More particularly, the present invention relates to a clip for fixing a supplementary frame in a detachable foaming mold, which is installed inside of a foaming mold to fix a supplementary frame upon foaming and molding a car interior material, such as a headrest or a chair back, so that the supplementary frame is installed inside of the foamed and molded car interior material even after the mold is removed. The clip for fixing a supplementary frame in a detachable foaming mold comprises: a fixing bolt and a clip. The fixing bolt includes a coupling portion having a screw thread formed on the external part; a gap-retaining portion formed integrally with the coupling portion at the top end of the coupling portion with a predetermined thickness; a coupling hole formed at the top end of the gap-retaining portion to a predetermined depth of the coupling portion. The clip includes a linear portion including a pair of line materials having a predetermined length, and having a straight line with a predetermined length; a fixing portion formed by bending at the top end of the linear portion so that the fixing portion forms a diamond-like shape at the outside of the gap-retaining portion of the fixing bolt; and an insertion guiding portion formed by bending at the top end of the fixing portion upwardly in a V-like shape.

Description

A clip for fixing an auxiliary frame inside a removable foam mold

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a detachable foam inner metal inner frame fixing clip, and more particularly, The present invention relates to a detachable mold for supporting an inner frame auxiliary frame, which can be easily attached and detached to and from a cavity of a mold while a sub frame is formed inside a foamed automobile interior material.

Conventionally, in order to produce automobile interior materials, materials such as foamed polyurethane foam are foamed inside the upper and lower molds to form interior materials such as headrests, backrests, and car seat sheets.

Interior materials such as seat for automobile chair are made by foaming mold and foaming into the cavity. Inner materials such as car seat are weak due to foam molding of synthetic resin. Therefore, for reinforcement of stiffness, shape maintenance and other functions An auxiliary frame made of wire or the like is fixed to a cavity of a mold and foamed and reinforced.

However, in the case of constructing the auxiliary frame inside the mold, it is difficult to fix the auxiliary frame so as to be located at the correct position inside the mold, and it is difficult to fix and detach at various positions in the mold.

As a background of the present invention, there is a patent registration No. 0807194 entitled " Foam Mold for Head Rest Urethane Molding "(Patent Document 1). 5, a lower mold having a housing portion and an upper opening portion for completely housing the remaining portion of the headrest pad to be molded, except for a bottom portion thereof; An upper mold having an opening portion of the lower mold and a closing portion forming a cavity coinciding with a shape of the pad to be covered and formed, and at least one insert portion into which the stay provided in the headrest auxiliary frame is fitted; And stay fixing means for fixing the headrest auxiliary frame by pressing the stay of the headrest penetrating through the insertion portion of the upper mold and exposed upwardly, To a foam mold for molding a headrest urethane.

However, in the background art, the auxiliary frame 65 and the stays 63 of the headrest 60 are fitted in the mold M so as to be fixed to the insertion portion 29 so that the auxiliary frame is formed inside the headrest However, since the inner frame, such as the backrest and the seat chest, is required to be present only inside the inner frame without protruding to the outside, the inner frame is held and fixed So that it can not be manufactured other than the headrest.

Patent No. 0807194 entitled "Foam Mold For Head Rest Urethane Molding"

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and it is an object of the present invention to provide a fixing bolt and a fixing bolt which can be detached from a mold and protrude from one side of the fixing bolt to form a clip, The auxiliary frame can be easily drawn out from the mold when the foamed foamed material is taken out of the mold, the foamed molding can be taken out while the auxiliary frame is embedded, and it is possible to install the foamed molding at any position in the mold, It is very easy to set the position, and it can be easily changed to the mold according to the shape and length of the clip, so that it is possible to reduce the production time and manufacturing cost due to high field application. It has its purpose.

The present invention relates to a fixing bolt and a fixing bolt which are formed of an engaging portion formed with an external thread, an engaging portion formed integrally with the engaging portion at a predetermined thickness at an upper end of the engaging portion, ; A fixing portion formed of a pair of wire rods having a predetermined length and formed by bending a rectilinear portion having a predetermined length and an outer side of the gap holding portion of the fixing bolt at the upper end of the rectilinear portion so as to face in the ◇ shape, And a clip formed of an upper guide portion and a lower guide portion, and a clip guide portion formed by folding the upper portion to the upper portion in a V-shape.

Also, it is desirable to provide a detachable mold for assisting an inner frame auxiliary mold, wherein the gap holding portion of the fixing bolt is formed with a concave groove on the upper surface of the cavity.

In addition, the straight portion of the clip is welded to the coupling hole of the fixing bolt, and the fastening bolt is engaged.

The detachable mold inner sub-frame fixing clip according to the present invention is provided with a fixing bolt for allowing detachment from a mold and a clip which is protruded from one side of the fixing bolt so as to be easily installed and removed by bolting to a cavity of the mold The auxiliary frame can be easily drawn out from the mold when the foamed foamed material is taken out of the mold, the foamed molding can be taken out while the auxiliary frame is embedded, and the auxiliary frame can be installed at any position in the mold, It is very easy to grasp and set the position, and it is very easy to replace the mold according to the shape and length of the clip.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention, Shall not be construed as limiting.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a detachable foam metal inner frame securing clip according to the present invention. Fig.
2 is a cross-sectional view taken along line AA of FIG.
Fig. 3 is an embodiment of the use state of the detachable foam metal inner frame securing clip according to the present invention.
FIG. 4 is an operational state diagram of FIG. 3. FIG.
5 is a cross-sectional view of upper and lower molds and upper and lower carriers of a conventional foamed metal mold for headrest urethane molding.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a detachable foamed metal inner frame securing clip, and more particularly, to a clip for securing an auxiliary frame to an inner automotive interior material such as a headrest and a backrest, To a detachable mold inner frame auxiliary frame fixing clip in which an auxiliary frame is formed inside a foam molded automotive interior material.

Hereinafter, the technical structure of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a clip for fixing an inner frame of an auxiliary frame according to the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, Fig. 4 is an operational state diagram of Fig. 3. Fig.

The present invention is characterized in that it comprises a coupling portion 11 in which an external thread 111 is formed, a gap holding portion 12 integrally formed with the coupling portion 11 at a predetermined thickness at the upper end of the coupling portion 11, A fixing bolt 10 formed of an engaging hole 13 formed at an upper end of the part 12 to a certain depth of the engaging part 11; A straight portion 31 made of a straight line having a predetermined length and made of a pair of wire materials having a predetermined length and an elliptical shape 31 formed outside the gap holding portion 12 of the fixing bolt 10 at the upper end of the straight portion 31 And a clip 30 composed of a fixing portion 32 formed to be bent so as to face the fixing portion 32 and a fitting guide portion 33 bent upward in a V shape at the upper end of the fixing portion 32 .

As shown in FIG. 1, the present invention comprises a fixing bolt 10 and a clip 30 vertically formed on the inside of the fixing bolt 10.

The fixing bolt 10 has an engaging portion 11 formed with an external thread 111 and a gap holding portion 12 integrally formed with the engaging portion 11 at a predetermined thickness on the upper end of the engaging portion 11 And has a shape similar to a typical bolt.

As shown in Fig. 4, the engaging portion 11 is bolted to the upper or lower mold 2 of the foam metal mold. At this time, the metal mold 2 is formed with a nut hole for coupling with the engaging portion 11 in advance.

The spacing retaining portion 12 is formed in a rectangular cross-section so that the bolt has a shape similar to that of a bolt head.

The interval maintaining portion 12 has a constant thickness and the interval maintaining portion 12 has a function of keeping the gap between the auxiliary frame 3 and the metal mold 2 that are fitted in the clip 30 constant.

As described above, the engaging portion 11 and the gap retaining portion 12 may be separately manufactured and joined together, but they are preferably integrally formed.

The engaging portion 11 and the gap holding portion 12 are formed with the engaging holes 13 in the upper end portion of the gap holding portion 12 to a certain depth of the engaging portion 11. [ The engaging holes 13 may be formed so as to completely penetrate the engaging portions 11 and may be formed only to a certain depth of the engaging portions 11 as shown in the figure.

The coupling hole 13 is a portion where the clip 30 to be described later is fitted and fixed.

The engaging holes 13 do not necessarily have to be circular but may be formed to have various cross sections.

2, the clip 30 includes a straight portion 31 formed of a pair of linear members having a predetermined length and formed of a straight line having a predetermined length, A fixing portion 32 formed by bending the outer side of the gap holding portion 12 so as to face in the ◇ shape and a fitting guide portion 33 formed by being bent upward in the V shape at the upper end of the fixing portion 32 .

That is, the clip 30 is configured such that the two linear members face each other. The linear portion 31 is formed in a linear shape of a predetermined length. The linear portion 31 is inserted into the coupling hole 13, And is fixed to the fixing bolt 10 by various methods.

In the illustrated embodiment, the straight portion 31 does not protrude out of the engaging hole 13. However, when the curved inner material is produced, the length of the straight portion 31 is different for each position of the mold to which the present invention is coupled .

In other words, it is possible to attach and detach a removable mold inner sub-frame fixing clip 1 of various sizes, which has straight portions 31 having different lengths, by simply bolting in a mold at the same time to adjust and use the position.

The fixing portion 32 is formed at the upper end of the straight portion 31 so as to be bent in the shape of 마 to the outside of the gap holding portion 12 of the fixing bolt 10. The fixing part 32 is inserted into the upper part of the auxiliary frame 30 and the narrow opening of the upper part is pressed and opened to insert the auxiliary frame 3 into the fixing part 32 to be fixed. At this time, the auxiliary frame 3 is bent in the shape of 하여 so that the auxiliary frame 3 inserted therein can be easily removed even when the auxiliary frame 3 is released.

The insertion guide portion 33 is formed to be bent in a V-shape upward from the upper end of the fixing portion 32 so that the upper portion is wide and the lower portion is narrowed to press the auxiliary frame 3 at the time of insertion, ) Is easy to insert.

4, when the subframe 3 is engaged, the clip 30 is seated on the upper portion of the insertion guide portion 33 of the clip 30 and then pressurized to open the space between the insertion guide portions 33, The upper end of the fixing portion 32 is opened and the auxiliary frame 3 is pressed and fixed by the upper end of the fixed portion 32 which is opened.

3, the auxiliary frame 3 is bolted to the predetermined position of the mold 2, and the auxiliary frame 3 is fixed in the same manner as described above. 3, the rectilinear auxiliary frame 3 is fixed to the flat mold 2. However, it is also possible to fix the curvilinear auxiliary frame 3 to the high-surface mold 2 by the same method .

As shown in FIGS. 1 and 2, the gap holding portion 12 of the fixing bolt 10 may be formed with a groove 121 having a concave surface with the upper surface thereof being centered on the engaging hole 13.

The groove 121 can be formed in various forms and the lower end of the fixing portion 32 can be positioned further downward and the foam 121 can be foam molded, So that the molding can be performed. It is also possible to provide a bonding surface at the time of welding bonding.

The straight portion 31 of the clip 30 is welded to the coupling hole 13 of the fixing bolt 10 so as to be coupled thereto.

The linear portion 31 may be fixed to the inside of the coupling hole 13 by an adhesive or the linear portion 31 may be fixed to the coupling hole 13 so as not to be separated by the frictional force, Can be firmly coupled

The detachable mold inner sub-frame fixing clip according to the present invention as described above is provided with a fixing bolt for allowing detachment from a mold and a clip projecting from one side of the fixing bolt so as to be easily attached to the cavity of the mold only by bolting The auxiliary frame can be easily drawn out from the mold when the foamed foamed article is taken out from the mold, so that the foamed molding can be taken out while the auxiliary frame is embedded. It is very easy to grasp and position the auxiliary frame, and it is very easy to replace the mold according to the shape and length of the clip, so that it is highly applicable to the field, which is very effective in reducing the production time and manufacturing cost.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. will be. The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

1: detachable foam mold inner frame fixing clip
10: Fixing bolt
11:
12:
13: Combination ball
30: Clip
31: Straight line
32:
33:

Claims (3)

A gap holding portion 12 formed integrally with the coupling portion 11 at a predetermined thickness on the upper end of the coupling portion 11 and a gap holding portion 12 A fixing bolt 10 having an engaging hole 13 formed at an upper end of the engaging portion 11 to a predetermined depth of the engaging portion 11;
A straight portion 31 made of a straight line having a predetermined length and made of a pair of wire materials having a predetermined length and an elliptical shape 31 formed outside the gap holding portion 12 of the fixing bolt 10 at the upper end of the straight portion 31 And a clip 30 composed of a fixing portion 32 formed to be bent so as to face the fixing portion 32 and a fitting guide portion 33 bent upward in a V shape at the upper end of the fixing portion 32 Features a detachable foam mold inner secondary frame securing clips. The method according to claim 1,
Characterized in that the gap holding portion (12) of the fixing bolt (10) has a groove (121) formed on the upper surface thereof with a concave portion around the fitting hole (13). The method according to claim 1,
Wherein the linear portion (31) of the clip (30) is welded to and engaged with the engagement hole (13) of the fixing bolt (10).

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