KR100951526B1 - Spout cap union structure - Google Patents

Abstract

Cap body 111 and the lower end of the cap body 111 includes a skirt for preventing illegal use is detachably supported by a plurality of separation pieces 112, spout 200 in the inner side of the skirt 113 Spout cap 100 is disposed so that the plurality of engaging pieces 113a protrude inwardly from the inner wall surface 113b at regular intervals on the circumference of the inner wall surface 113b so as to maintain a stable coupling state at the time of coupling to the inner wall surface 113b; A discharge pipe 223 formed to extend to an upper surface of the adhesive surface 221 and the adhesive surface 221 adhered to the refill container 3 and having a discharge passage 222 penetrating therethrough with respect to the adhesive surface 221, and a discharge pipe ( A pair of wheel wheel frames formed at a predetermined depth in the outer peripheral surface of the skirt 113 when the engaging pieces 113a are inserted and supported by the skirt 113 at a predetermined depth and protrude outward from the discharge pipe 223. And a spout 200 having 227 and 228, and the skirt 113 does not turn over or escape from the wheel groove 226 during the opening operation of the cap body 111. Spout cap coupling formed on the outer circumferential surface of the engaging projection (229) in contact with the engaging pieces (113a) inserted and supported in the wheel wheel groove (226) to prevent the skirt 113 is rotated in the opening direction of the cap body 111 A structure is provided.

Spout, Spout Cap, Pouch Container, Wheel Frame, Wheel Wheel, Skirt

Description

Spout cap union structure

The present invention relates to a spout cap coupling structure, and more particularly, when the skirt is separated by the opening operation of the cap for opening and closing the discharge pipe of the spout used for bonding to a pouch container or a refill container. It relates to a spout cap coupling structure that can maintain a stable separation state in the lower discharge pipe.

In general, spout caps are used to seal spouts that are integrally bonded to a vinyl pouch container or refill container, and to prevent unauthorized use of the contents. The spout cap of Korean Registered Room No. 20-0421860 Structure '.

Hereinafter, with reference to the drawings, a conventional spout cap (No. 20-0421860 for the Republic of Korea registration room) will be described.

Figure 1 is an exploded perspective view showing an embodiment of a conventional spout cap, Figure 2a and Figure 2b is a bottom view showing the state of the coupling state and the skirt of the spout cap showing the coupling structure of the conventional spout cap, respectively.

As shown in FIGS. 1 and 2B, in the conventional spout cap 100, an adhesive surface 221 is integrally bonded to the refill container 3, and the discharge pipe 223 is formed on the adhesive surface 221. The spout 200 and the cap body 111 for sealing the discharge pipe 223 of the spout 200 is provided with a screw, the illegal use prevention skirt 113 to the lower end of the cap body 111 a plurality of separation pieces A pair of wheel wheels 227 and 228 are formed in the outlet pipe 223 of the spout 200 to form wheel wheel grooves 226 of a predetermined depth, and the wheel wheel grooves 226 are formed in the skirt 113. The plurality of locking pieces 113a inserted into and supported by the protrusions protrude inwardly from the inner wall surface 113b.

Therefore, when the cap body 111 is screwed to each other with respect to the spout 200, the discharge pipe 223 is closed and the skirt 113 is a plurality of engaging pieces in a state in which the cap 112 is not separated from the separating piece 112 of the cap body 111. When the 113a is inserted into and supported in the wheel groove 226 of the discharge pipe 223 to prevent the illegal use of the contents, and the cap body 111 is opened in the counterclockwise direction when the contents are used, the cap main body 111 is discharge pipe ( The separation piece 112 is torn while being separated from the screw 223 and is forcibly separated from the skirt 113 to thereby open the discharge pipe 223.

However, the conventional spout cap or spout cap coupling structure as described above, in order to prevent the use of the contents of the spout 200, when the cap body 111 of the spout 200 is simply a plurality of engaging pieces 113a of the skirt 113 Is inserted into and supported in the wheel wheel groove 226 formed in the discharge pipe 223.

Therefore, when the locking force of the locking piece 113a inserted into the wheel groove 226 and the wheel groove 226 becomes weak due to an external force or tolerance during heating and injection molding, the cap body 111 is forced from the discharge pipe 223. When it is separated, the engaging piece 113a is covered with the wheel wheel groove 226 so that the separation piece 112 between the cap body 111 and the skirt 113 is not separated or the locking piece 113a is the wheel wheel groove 226. There is a problem that is easily separated from. In addition, there is a problem that it is impossible to achieve the prevention of fraudulent use of the contents, which is the original purpose of the skirt 113.

Accordingly, it is an object of the present invention to provide a spout cap coupling structure that enables a stable coupling of a skirt to a spout and enables the cap body to be quickly separated from the discharge pipe without the skirt turning over or leaving the discharge pipe during the opening operation of the cap body. .

To this end, according to the present invention, the cap body 111 and the lower end of the cap body 111 includes an illegal use prevention skirt 113 that is detachably supported by a plurality of separation pieces 112, the skirt ( The spout is formed so that the plurality of engaging pieces 113a protrude inwardly from the inner wall surface 113b at regular intervals on the circumference of the inner wall surface 113b to maintain a stable coupling state when the spout 200 is coupled to the inner side of the 113. A cap 100; A discharge pipe 223 formed to extend to an upper surface of the adhesive surface 221 and the adhesive surface 221 adhered to the refill container 3 and having a discharge passage 222 penetrating therethrough with respect to the adhesive surface 221, and a discharge pipe ( A pair of wheel wheel frames formed at a predetermined depth in the outer peripheral surface of the skirt 113 when the engaging pieces 113a are inserted and supported by the skirt 113 at a predetermined depth and protrude outward from the discharge pipe 223. And a spout 200 having 227 and 228, and the skirt 113 does not turn over or escape from the wheel groove 226 during the opening operation of the cap body 111. Spout cap coupling formed with engaging projections 229 formed on the outer circumferential surface thereof in contact with the engaging pieces 113a inserted into and supported by the wheel wheel grooves 226 to prevent the skirt 113 from being rotated in the opening direction of the cap body 111. A structure is provided.

Here, it is preferable that the diameter of the upper side rim 227 sidewall 227a of the pair of rims 227 and 228 is smaller than the diameter of the lower side rim 228 sidewall 228a.

In addition, the locking protrusion 229 preferably has an inclined surface tapered at an oblique angle with respect to the coupling direction of the spout cap 100 coupled to the spout 200.

In addition, it is preferable that the locking piece 113a has an inclined surface tapered at an oblique angle with respect to the coupling direction of the spout cap 100 or a rectangular planar shape.

In addition, it is preferable that the edge 113c protruding inward is further formed at the lower end of the spout cap 100.

Therefore, according to the present invention, when the spout cap is coupled to the spout, the discharge passage of the discharge pipe is reliably supported as the locking pieces are stably mutually supported in the wheel groove while being integrally connected to the lower end of the cap body without being disconnected by the separating piece. It can be sealed.

In addition, at the same time, the engaging pieces of the skirt are assembled to be fitted to lock into the wheel wheel grooves through the locking projections of the locking protrusions along the inclined surfaces of the locking protrusions formed on the outer circumferential surface of the wheel wheel grooves. By preventing the outer surface, the spout cap cannot be separated from the spout without separating the cap body and the skirt, thereby making it possible to reliably prevent the contents contained in the pouch container, thereby improving consumer confidence in the product.

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

Figure 3 is an exploded perspective view showing a coupling structure of the spout cap according to a preferred embodiment of the present invention, Figure 4 is a cross-sectional side view showing a spout cap in the coupling structure of the spout cap of Figure 3, Figures 5a and 5b respectively The bottom view which shows the spout cap of FIG. 4, and the bottom view which shows another modified example of the spout cap.

In describing the coupling structure of the spout cap according to the present invention, the same components as those of the conventional spout cap and the spout are given the same reference numerals and the description thereof will be briefly described.

As shown in Figure 3 to 5b, the spout cap coupling structure according to a preferred embodiment of the present invention, the spout cap 100, the adhesive surface 221 to the pouch container or refill container 3 made of vinyl material The spout 200 is integrally bonded and the spout cap 100 is sealed to prevent the unauthorized use of the contents on the upper side.

The spout cap 100 includes a cap main body 111 and an illegal use prevention skirt 113 that is detachably supported by a plurality of separation pieces 112 at a lower end of the cap main body 111.

The inner side of the skirt 113 is arranged such that the plurality of locking pieces 113a protrude inwardly from the inner wall surface 113b at regular intervals on the circumference of the inner wall surface 113b to maintain a stable coupling state when the spout 200 is coupled to the spout 200. Is formed. Here, the plurality of locking pieces 113a preferably have a tapered inclined surface.

In addition, the inner side of the cap body 111 is formed with a fastening female threaded portion 114, the outer side is formed with a ratchet-shaped concave-convex 115 to prevent slipping when held by the hand during the opening operation.

In addition, on the lower end of the cap body 111 and the corresponding upper surface of the skirt 113, the open compact piece 117 and the compact groove 118 to facilitate the separation of the skirt 113 when the cap body 111 is opened. Oppositely formed.

The spout 200 is formed to extend to the upper portion of the adhesive surface 221 and the adhesive surface 221 integrally bonded in a heat-sealed manner to the refill container 3, etc., the contents are packaged, and discharged to the upper side with respect to the adhesive surface 221 A passage 222 is formed in the outer circumferential surface of the discharge pipe 223, the male threaded portion 224 formed on the outer circumference of the discharge pipe 223 is fastened to the female threaded portion 114 of the cap body 111, the discharge pipe 223 A pair of wheel frames 227 and 228 and wheel wheel grooves formed at a predetermined depth to form wheel wheel grooves 226 at which the engaging pieces 113a are mutually inserted and supported at a predetermined depth, and protrude outward from the discharge pipe 223 at the time of mutual coupling. When the cap body 111 is opened on the outer circumferential surface of the 226, the locking piece 113a is mutually inserted and supported in the wheel wheel groove 226 so that the skirt 113 does not turn over or separate from the wheel wheel groove 226. A locking projection 229 abutting against the plurality of protrusions to prevent the skirt 113 from being rotated in the opening direction of the cap body 111.

Here, the diameter of the side walls 227a and 228a of the pair of wheel frames 227 and 228 is preferably injection molded to be equal to or smaller than the diameter of the inner wall surface 113b of the skirt 113, and the pair of stones It is preferable that the diameter of the upper side rim 227 sidewall 227a is smaller than the diameter of the lower side rim 228 sidewall 228a.

In addition, in order to facilitate the engagement of the skirt 113 engaging pieces 113a, the locking protrusion 229 has a tapered inclined surface at an oblique angle (see FIGS. 6B and 7B) with respect to the coupling direction of the spout cap 100. It's good to have. Accordingly, the inclined surfaces of the skirt 113 locking pieces 113a slide along the inclined surface of the locking protrusion 229 and are inserted into the wheel wheel groove 226 through the inclined surface locking jaw of the locking protrusion 229.

In addition, the width of the wheel wheel groove 226 may have a width that is equal to or slightly wider than the cross-sectional thickness of the engaging pieces 113a of the skirt 113 inserted and supported therein.

6A and 6B are assembly cross-sectional views and a cross-sectional view taken along line AA of the spout cap in the spout cap coupling structure of FIG. 3, respectively, and FIGS. 7A and 7B are respectively shown in the spout cap coupling structure of FIG. The assembly sectional drawing and the BB line sectional drawing which showed the state which a skirt was separated from the spout cap at the time of opening operation of a spout cap.

Hereinafter, the operation and effects of the spout cap coupling structure according to the preferred embodiment of the present invention will be described.

First, the action that the spout cap 100 is tightened to the spout 200 will be described.

As shown in FIG. 6A, when the spout cap 100 is screwed to each other to the spout 200, the engaging piece provided on the skirt 113 in the wheel wheel groove 226 formed in the discharge pipe 223 of the spout 200. 113a are fitted and the engaging pieces 113a fitted into the wheel groove 226 are not randomly pulled out by the wheel frames 227 and 228 formed at the upper and lower parts of the wheel wheel groove 226.

That is, as shown in FIG. 6B, the engaging pieces 113a formed therein extend from the inner wall surface 113b of the skirt 113 covered outside of the wheel frames 227 and 228 between the wheel frames 227 and 228. It is assembled to fit a predetermined depth into the formed wheel wheel groove 226.

Here, even when the inner wall surface 113b of the skirt 113 is covered with a predetermined gap without being in close contact with each other with respect to the side surfaces 227a and 228a of the wheel frames 227 and 228 due to a tolerance generated during injection, the skirt 113 is caught. Pieces 113a maintain a state of being fitted into the wheel wheel groove 226. Therefore, unless the skirt 113 is forcibly separated from the wheel groove 226, even if external force, impact, and heating are applied, the skirt 113 does not fall out of the wheel groove 226 due to the diameter difference.

In addition, when the locking pieces 113a of the skirt 113 are fitted into the wheel wheel groove 226, the locking pieces 113a slide along the inclined surfaces of the locking protrusions 229 of the wheel wheel groove 226, and thus the locking wheels 229 are provided. The locking pieces 113a of the skirt 113 are caught by the locking projections 229 during the opening operation of the cap body 111 by being fitted into the wheel wheel grooves 226 after passing through the locking projections of the cap body 111. The skirt 113 does not fall out of the wheel groove 226.

Hereinafter, an operation of separating the spout cap 100 from the spout 200 will be described.

As shown in FIGS. 7A and 7B, when the cap main body 111 is opened upward from the spout 200, the female thread part 114 of the cap main body 111 opens the male thread part 224 of the discharge pipe 223. As a result, the cap body 111 and the skirt 113 are separated while the separation piece 112 of the skirt 113 is torn from the lower end of the cap body 111. At this time, when the spout cap 100 is opened, the separating pieces 112 of the skirt 113 have an inclined surface of the sealing piece 118 having an open milling piece 117 formed to face the cap body 111 and the skirt 113. It is quickly separated by going up.

Here, the skirt 113 is separated from the cap body 111 is the locking piece (113a) while sliding along the inclined surface of the locking projections 229 formed on the outer circumferential surface of the wheel wheel groove 226, the locking step of the locking projection (229) It is inserted into the wheel wheel groove 226 and locked to each other, so that the cap body 111 is prevented from going out in the open direction, and the locking pieces 113a are evenly disposed in the wheel wheel groove 226 so that the cap body ( During the opening operation of the 111, the skirt 113 is not separated from the wheel wheel groove 226 so that a stable separate opening is possible.

Therefore, according to the present invention as described above, the wheel wheel groove 226 in the state in which the spout cap 100 is connected to the lower end of the cap body 111 when the coupling is integrally connected to the lower end of the cap body 111 by the separation piece 112. As the engaging pieces 113a are reliably coupled to each other, the sealing passages 222 of the discharge pipe 223 are reliably sealed, and the engaging pieces 113a of the protrusions 229 of the wheel grooves 226 are secured. The spout cap 100 is spout 200 without being separated from the cap body 111 and the skirt 113 by being assembled to slide along the inclined surface so as to lock into the wheel wheel groove 226 past the locking jaw of the locking protrusion 229. It can not be separated from the) can be surely prevented the tampering of the contents contained in the refill container (3) can improve the consumer's confidence in the product.

Meanwhile, an edge 113c protruding inwardly may be further formed at the lower end of the spout cap 100 to assist the spout cap 100 from being separated from the wheel frames 227 and 228.

Although the present invention has been described with reference to the specific embodiments, various modifications may be made without departing from the scope of the present invention. Thus, the scope of the invention should not be defined by the described embodiments, but should be defined by the equivalents of the claims and claims. For example, the locking projection 113a 'may have a rectangular cross-sectional shape, as shown in FIG. 5B.

1 is an exploded perspective view showing an embodiment of a conventional spout cap;

Figure 2a and Figure 2b is a bottom view showing the state of the coupling state and the skirt of the spout cap showing the coupling structure of the conventional spout cap, respectively;

Figure 3 is an exploded perspective view showing a coupling structure of the spout cap in accordance with a preferred embodiment of the present invention;

Figure 4 is a side cross-sectional view showing a spout cap in the coupling structure of the spout cap of Figure 3;

FIG. 5A is a bottom view of the spout cap of FIG. 4; FIG.

FIG. 5B is a bottom view of another variation of the spout cap of FIG. 4; FIG.

6A and 6B are assembled cross-sectional views and a line A-A cross-sectional view showing a state in which the spout cap is tightened to the spout in the spout cap coupling structure of FIG. 3, respectively; And

7A and 7B are assembly cross-sectional views and a line B-B cross-sectional views respectively showing a state in which a skirt is separated from a spout cap during the spout cap opening operation in the spout cap coupling structure of FIG. 3.

Claims (5)

delete delete delete Cap body 111 and the lower end of the cap body 111 includes a skirt for preventing illegal use is detachably supported by a plurality of separation pieces 112, spout 200 in the inner side of the skirt 113 Spout cap 100 is disposed so that the plurality of engaging pieces 113a protrude inwardly from the inner wall surface 113b at regular intervals on the circumference of the inner wall surface 113b so as to maintain a stable coupling state at the time of coupling to the inner wall surface 113b; A discharge pipe 223 formed to extend to an upper surface of the adhesive surface 221 and the adhesive surface 221 adhered to the refill container 3 and having a discharge passage 222 penetrating therethrough with respect to the adhesive surface 221, and a discharge pipe ( A pair of wheel wheel frames formed at a predetermined depth in the outer peripheral surface of the skirt 113 when the engaging pieces 113a are inserted and supported by the skirt 113 at a predetermined depth and protrude outward from the discharge pipe 223. Spout 200 having (227,228), In the opening operation of the cap main body 111, the skirt 113 is interlocked with and inserted into the wheel groove 226 on the outer circumferential surface of the wheel wheel groove 226 so that the skirt 113 does not turn over or escape from the wheel wheel groove 226. The engaging protrusions 229 are formed in contact with the pieces 113a or 113a 'to prevent the skirt 113 from rotating in the opening direction of the cap body 111, The hook piece 113a has a spout cap coupling structure, characterized in that it has an inclined surface tapered at an oblique angle with respect to the coupling direction of the spout cap 100 or has a rectangular planar shape. delete

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