WO2017057807A1

WO2017057807A1 - Double container

Info

Publication number: WO2017057807A1
Application number: PCT/KR2016/002600
Authority: WO
Inventors: 유제우
Original assignee: 유제우
Priority date: 2015-09-30
Filing date: 2016-03-16
Publication date: 2017-04-06
Also published as: KR20170038753A; KR101674676B1

Abstract

According to the present invention, provided is a double container that comprises: an upper inner container having an entrance formed at the top thereof and an opening formed at the bottom thereof, wherein a first thread is formed on the outer circumferential surface of the lower side of the upper inner container, and a first inclined surface is formed on the end portion below the first thread; a lower inner container having an opening formed at the top thereof to form an inner space communicating with the upper inner container and having a second inclined surface formed thereon, which is engaged with the first inclined surface of the upper inner container; and a lower outer container that is open at the top thereof to receive the lower inner container therein and has a second thread formed on the inner circumferential surface of the upper side thereof, the second thread being engaged with the first thread of the upper inner container, wherein a protrusion is formed on the outer bottom surface of the lower inner container or on the inner bottom surface of the lower outer container. Accordingly, the present invention can provide the double container capable of ensuring durability and preventing the propagation of germs on the inclined surfaces by preventing scratches thereon.

Description

Double container

The present invention relates to a double container that can be separated two stages up and down.

In everyday life, various containers such as water bottles, feeding bottles, bottled water bottles, and warm water bottles for various contents are manufactured and used.In such containers, an inlet is formed at an appropriate position (eg, an upper portion of the container). It is configured to contain and take out the contents.

In order to reuse disposable containers including special containers, it is necessary to clean the inside of the containers. However, most containers have a narrow inner diameter and, in addition, narrow containers or tubular containers have a small opening. Even with the cleaning brush, it is difficult to satisfactorily clean the inner bottom corners of the body.

In order to solve this cleaning problem, Patent No. 10-0806760 (registered date: February 18, 2008) discloses a solution.

Referring to FIGS. 7 and 8, the bottle according to the related art includes an upper body 30, a lower body 40, and a connector 50.

The upper main body 30 is substantially tubular, and

threads

32 and 36 are provided on the outer circumferential surface of the upper end portion and the outer circumferential surface a predetermined distance from the lower end portion, respectively. In addition, the lower end of the upper main body 30 is formed to form an inclined portion 38 to face the central axis.

The lower main body 40 has a substantially concave bowl shape, and one side of the lower main body 40 is fitted to the outer circumference of the lower end of the upper main body 30. An opening side of the lower body 40 is provided with a locking jaw 42 along its outer circumference.

The connector 50 is for connecting the upper main body 30 and the lower main body 40 and has a substantially tubular shape, and is screwed to the outside of the upper main body 30. That is, the threaded portion 52 is provided on the inner circumferential surface of the connector 50 to be engaged with the threaded portion 36 of the upper body 30. One end of the connector 50 is provided with a locking jaw 54 to be caught by the locking jaw 42 of the lower body 40.

According to this, when the connector 50 is made thick, the beautifulness is generally made thin and the lower part is opened so that the durability is lowered in the lateral pressure. In addition, when the connector 50 is rotated to fasten the lower main body 40 to the upper main body 30, the rotational force of the connector 50 is transmitted to the lower main body 40 so that the inclined portion 38 of the upper main body 30 is inclined. ) And scratches may occur on the inner coupling portion of the lower body 40. These scratches are not only aesthetically pleasing, but there is a problem that bacteria can multiply at the scratches.

On the other hand, as a solution to another cleaning problem registered Utility Model No. 20-0445835 (registration date: August 26, 2009) is known.

9 and 10, the separate thermal insulation container according to another conventional example includes an upper body 20, a lower body 30, and a connector 40.

The upper body 20 has an inner cylinder and an outer cylinder to have a tubular double structure, and a vacuum section 26 is formed between the inner cylinder and the outer cylinder. Screw

portions

22 and 24 are provided at portions separated from the one end and the other end of the outer cylinder of the upper main body 20 by a predetermined distance, respectively. In addition, the lower end of the upper main body 20 is inclined toward the central axis.

The lower body 30 has a double structure of a concave bowl shape. That is, the lower main body 30 also has an inner cylinder and an outer cylinder, and the vacuum part 36 is formed between an inner cylinder and an outer cylinder. One open side of the lower main body 30 is coupled to the lower end of the upper main body 20, and the locking step 32 is formed along the circumferential surface of the outer cylinder of the open side of the lower main body 30. One open side of the inner cylinder of the lower main body 30 is inclined toward the central axis corresponding to the other end of the outer cylinder of the upper main body 20.

The connector 40 is for connecting the lower body 30 to the upper body 20 has a tubular double structure. The connector 40 also has an inner cylinder and an outer cylinder, and a vacuum section 46 is formed between the inner cylinder and the outer cylinder. The connector 40 may be coupled to the outside of the upper body 20 while one end is caught by the locking jaw 32 of the lower body 30. To this end, a threaded portion 44 is provided on the circumferential surface of the inner cylinder of the connector 40 to be engaged with the threaded portion 24 of the upper body 20, and one end of the connector 40 is engaged by the lower body 30. The locking jaw 42 is provided to be caught by the jaw 32.

As described above, according to another example of the prior art, the structure is similar to the coupling structure of the example of the bottle described above, and additionally to add a thermal insulation, cold storage function through the

vacuum unit

26, 36, 46 It is composed.

However, since the

vacuum units

26, 36 and 46 cannot be manufactured by injection or blower work, the

vacuum units

26, 36 and 46 may be manufactured in a plurality of pieces, and thus may be manufactured in a joining manner, thus causing difficulty in assembly and greatly increasing manufacturing costs. In addition, the thickness of the connector 40 is increased due to the vacuum portion 46, there is a problem that the appearance is inferior in beauty.

The present invention has been made in order to solve the above problems, and its purpose is to provide a double container that ensures durability and can prevent the occurrence of scratches at the container coupling portion.

In addition, there is another object of the present invention to provide a double container that can be added to keep warm, cool, but maintain the beauty and improve assembly productivity.

The problem to be solved by the present invention is not limited to the above-mentioned problem, another problem that is not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a double container according to an aspect of the present invention,

An upper inner container having an inlet portion formed at an upper side thereof, an opening formed at a lower side thereof, a first screw thread formed at a lower outer circumferential surface thereof, and a first inclined surface formed at a lower end side of the first screw thread;

A lower inner container having an opening formed upwardly to form an inner space communicating with the upper inner container, and having a second inclined surface engaged with the first inclined surface of the upper inner container; And

And a lower outer container having an upper side opened to receive the lower inner container and having a second screw thread engaged with the first screw thread of the upper inner container with an upper inner circumferential surface thereof.

A protrusion is formed at any one of an outer bottom surface of the lower inner container and an inner bottom surface of the lower outer container.

The lower side of the upper inner container,

It is characterized in that the inner diameter is formed to be reduced.

Above the first screw thread of the upper inner container,

Characterized in that the upper portion of the lower outer container and the jaw portion having a predetermined gap play.

At the upper end of the lower outer container,

It characterized in that the surface portion corresponding to the jaw portion of the upper inner container is formed.

On the upper side of the first screw thread of the upper inner container,

A third inclined surface is formed.

The lower outer container,

And a fourth inclined surface engaging with the third inclined surface of the upper inner container toward an end portion of the upper portion of the second screw thread.

On the bottom of the second thread of the lower outer container,

A jaw portion extending outward is formed to form a sealed insulation space between the lower inner container.

On the upper outer peripheral surface of the lower outer container,

A third screw thread is formed.

The present invention,

And an upper outer container having a lower side opening but forming an enclosed thermal insulation space between the upper inner container and a lower thread having a fourth screw thread engaged with the third screw thread of the lower outer container. .

On the upper outer peripheral surface of the upper inner container,

A fifth screw thread is formed.

The present invention,

And an upper outer container having a sixth screw thread engaged with the fifth screw thread upwardly as a tubular shape opened upward and downward.

Double container according to another aspect of the present invention,

An upper inner container in which an inlet portion is formed at an upper side thereof, an opening is formed at a lower side thereof, a first screw thread is formed at a lower outer peripheral surface thereof, and a third inclined surface is formed at an upper portion of the first screw thread; And

A lower outer container having an open upper side to form an inner space communicating with the upper inner container, and having a second screw thread engaged with the first screw thread of the upper inner container with an upper inner circumferential surface thereof;

The upper portion of the second screw thread of the lower outer container, characterized in that the fourth inclined surface is engaged with the third inclined surface of the upper inner container.

On the lower end side of the first screw thread,

A first inclined surface is formed.

In the lower part of the second screw thread of the lower outer container,

And a fifth inclined surface that is engaged with the first inclined surface of the upper inner container.

As described above, according to the double container according to the present invention, durability is secured, and there is an advantage of preventing bacterial propagation on the inclined surface by preventing scratching of the inclined surface.

In addition, it is possible to expect the warming and cooling effect on the contents by improving to a double fastening structure for easy assembly productivity, there is an advantage that can improve the assembly productivity while maintaining the beauty.

1 is a representative view showing a cross section of a double container according to the spirit of the present invention,

2 is a cross-sectional view showing an embodiment of FIG.

3 is a cross-sectional view showing another embodiment of FIG.

4 is a cross-sectional view showing another embodiment of FIG.

5 and 6 is a view showing a modification of the present invention,

7 is a view showing an example of a container (bottle) according to the prior art,

8 is an essential part assembly view of FIG. 7;

9 is a view showing another example of a container (bottle) according to the prior art and

10 is an assembly view of FIG. 9.

Hereinafter, with reference to the accompanying drawings looks at in detail with respect to the double container according to the present invention.

Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the configuration shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all of the technical idea of the present invention, these can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.

However, in the description of the reference numerals, the same or similar components are given the same reference numerals without distinguishing the embodiments, and in the description of each embodiment, the modified components will be described with different reference numerals.

As shown in FIG. 1, the double container according to the representative concept of the present invention includes an upper inner container 110, a lower inner container 120, and a lower outer container 130.

Here, the upper inner container 110, the inlet portion (110a) is formed at the upper end of the opening (110b) is formed, the first screw thread 111 is formed on the lower outer peripheral surface, the first screw thread (111) The first inclined surface 110c is formed at the lower end side of the. The inlet portion (110a) is formed with a screw thread (not shown) on the outer circumference to be opened and closed by the lid (C), the inner circumferential surface of the lid (C) corresponding to the screw thread of the inlet portion (110a) do.

The inner side of the first screw thread 111 of the upper inner container 110 is formed so that the inner diameter is partially reduced so that the lower outer container 130 is coupled to the first screw thread 111 of the upper inner container 110. It is possible to produce a container having the same outer diameter as a whole.

According to this, the jaw portion 115 is formed above the first screw thread 111 of the upper inner container 110, and the jaw portion 115 has the first inclined surface when the lower outer container 130 is assembled. 110c) does not come into contact with the upper end of the lower outer container 130 for a hermetic contact between the second inclined surface 120b to be described later, and has a predetermined gap.

On the other hand, referring to Figure 2 showing an embodiment of the present invention, in place of the jaw portion 115, the third inclined surface 110d formed above the first screw thread 111 of the upper inner container (110). And a fourth inclined surface 130b engaged with the third inclined surface 110d of the upper inner container 110 toward an end portion of the upper portion of the second screw thread 131 of the lower outer container 130, thereby forming the lower outer container. While visually concealing the play with the upper end of the 130, when the lower outer container 130 is assembled may induce a hermetic contact between the first inclined plane (110c) and the second inclined plane (120b) to be described later.

In addition, the lower inner container 120, the opening 120a is formed in the upper side to form an internal space (not shown) in communication with the upper inner container 110, the first of the inner inner container 110 The second inclined surface 120b meshes with the first inclined surface 110c. The hemispherical protrusion 125 is preferably formed on the outer bottom of the lower inner container 120. These first and second

inclined surfaces

110c and 120b may be formed in engagement with each other in opposite directions, and the protrusion 125 may be modified in various shapes to minimize contact areas between the

containers

120 and 130. Of course this is possible. In addition, the angles of inclination of the first and second

inclined surfaces

110c and 120b may be the same, or may be different from each other in order to increase the sealing effect (compressive strength).

In addition, the lower outer container 130, the upper side is opened so that the lower inner container 120 is received inside, and the second inner side that engages with the first screw thread 111 of the upper inner container 110 to the upper inner peripheral surface. Thread 131 may be formed. At the upper end of the lower outer container 130, as shown in FIG. 1, a surface portion 130a corresponding to the jaw portion 115 of the upper inner container 110 is formed, or in FIG. As shown in the drawing, the fourth inclined surface 130b may be formed to engage with the third inclined surface 110d of the upper inner container 110.

According to the representative idea and one embodiment of the present invention as described above, the second screw thread 131 by rotating the lower outer container 130 in a state in which the lower inner container 120 is accommodated in the lower outer container 130. Is screwed with the upper inner container 110 and the first screw thread 111, the first inclined plane (110c) and the second inclined plane (120b) contact.

When the lower outer container 130 is further rotated, the screwing force of the first and

second screw threads

111 and 131 is simultaneously transmitted to the protrusion 125 and the rotational force of the lower outer container 130 is transferred to the protrusion 125 of the lower inner container 120. Induce a linear motion. That is, as the lower inner container 120 rises upward, the first inclined surface 110c and the second inclined surface 120b may be compressed to hermetically seal the inner space of the container.

At this time, the second inclined surface (120b) is elastically finely expanded and compressed along the first inclined surface (110c) in accordance with the rise of the lower inner container 120, it is possible to maintain the inside airtight without a separate packing, between these inclined surfaces There is also an advantage that can prevent the growth of bacteria on the slope by eliminating scratches. In addition, the lower outer container 130 is coupled to the outside of the lower inner container 120 to form a heat insulating space (O) can be expected to keep warm, cold effect.

Hereinafter, another embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 3, the double container according to another embodiment of the present invention includes an upper inner container 110, a lower inner container 120, a lower outer container 130, and an upper outer container 140. .

In addition, the lower inner container 120, the opening 120a is formed in the upper side to form an internal space (not shown) in communication with the upper inner container 110, the first of the inner inner container 110 The second inclined surface 120b meshes with the first inclined surface 110c.

In addition, the lower outer container 130, the upper side is opened so that the lower inner container 120 is received inside, and the second inner side that engages with the first screw thread 111 of the upper inner container 110 to the upper inner peripheral surface. Thread 131 may be formed. A third screw thread 132 is formed on the upper outer circumferential surface of the lower outer container 130, and a hemispherical protrusion 135 is formed on the inner bottom surface of the lower outer container 130. In this case, the protrusion 135 may be modified in various shapes to minimize the contact area between the containers (120, 130). In addition, a lower portion of the second and

third screw threads

131 and 132 of the lower outer container 130 is formed with a jaw portion 133 extending outwardly and is sealed with the lower inner container 120. (O) can be formed.

In addition, the upper outer container 140, the lower side is opened but forms a closed thermal insulation space (O) between the upper inner container 110, the lower side of the third screw thread (3) of the lower outer container (130) A fourth screw thread 141 may be formed to engage with the 132.

Thus, with reference to Figure 4 showing another embodiment of the present invention as another form of forming a thermal insulation space.

Double container according to another embodiment of the present invention, the upper inner container 110, the lower inner container 120, the lower outer container 130 and the upper outer container 150.

In the present embodiment, the structural features of the upper inner container 110, the lower inner container 120, and the lower outer container 130 are the same as those of the other embodiments described above (see FIG. 3), and thus a detailed description thereof will be omitted. Let's do it.

As a characteristic part, a fifth screw thread 112 is formed on the upper outer peripheral surface of the upper inner container 110 in this embodiment.

In addition, the upper outer container 150 has a six-threaded thread 151 engaging with the fifth screw thread 112 upwards as a tubular shape having an upper and lower opening, and a lower end of the lower outer container 130. It is configured to be spaced apart from the jaw portion 133 by a predetermined interval.

According to another embodiment and another embodiment of the present invention the double container as described above, as well as maintaining the airtight inside the container through the first and second inclined surfaces (110c) (120b), the fastening structure is a double to the contents It can be expected to keep warm and cool effect, while maintaining the beauty has the advantage of improving assembly productivity.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical spirit of the present invention and the equivalents of the claims to be described below by those skilled in the art to which the invention pertains. Of course, various modifications and variations are possible within the scope.

For example, as illustrated in FIGS. 5 and 6, the lower inner container 120 configured in the foregoing embodiments may be excluded and configured.

Looking in detail with reference to Figure 5, the upper inner container 110 and the lower inner container 120 may be configured to be compressed at two points during assembly. That is, when the lower inner container 120 is rotated in the assembly direction, the third inclined plane 110d and the fourth inclined plane 130b are engaged with each other, and the first inclined plane 110c and the fifth inclined plane 130c are engaged. To have a double compression effect.

6, the upper inner container 110 and the lower inner container 120 may be configured to be compressed at one upper point (the third inclined plane 110d and the fourth inclined plane 130b) when assembled. .

As described with reference to Figures 5 and 6, according to the modified example can provide a container of a simpler structure, there is an advantage that the manufacturing cost is lowered and the assembly productivity can be increased.

Claims

The inlet 110a is formed at the upper end, and the opening 110b is formed at the lower side, and the first screw thread 111 is formed at the lower outer circumferential surface, and the first inclined surface 110c is disposed at the lower end side of the first screw thread 111. An upper inner container 110 formed;

An opening 120a is formed upward to form an inner space in communication with the upper inner container 110, and a second inclined surface 120b engaged with the first inclined surface 110c of the upper inner container 110 is formed. Lower inner container 120; And

An upper side is opened so that the lower inner container 120 is received inside, and a lower outer container 130 having a second screw thread 131 engaged with the first screw thread 111 of the upper inner container 110 as an upper inner circumferential surface thereof. Including;

Double container, characterized in that the protrusion (125) (135) formed on any one of the outer bottom surface of the lower inner container 120 and the inner bottom surface of the lower outer container (130).
According to claim 1, wherein the lower side of the upper inner container 110,

Double container characterized in that the inner diameter is reduced to be formed.
According to claim 2, Above the first screw thread 111 of the upper inner container 110,

Double container characterized in that the upper portion of the lower outer container 130 and the jaw portion 115 having a predetermined gap play.
According to claim 3, At the upper end of the lower outer container 130,

Double container characterized in that the surface portion (130a) corresponding to the jaw portion 115 of the upper inner container (110) is formed.
According to claim 2, On the upper side of the first screw thread 111 of the upper inner container 110,

Double container characterized in that the third inclined surface (110d) is formed.
According to claim 5, The lower outer container 130,

Double container characterized in that the fourth inclined surface (130b) is engaged with the third inclined surface (110d) of the upper inner container 110 to the end portion of the upper portion of the second screw thread (131).
According to claim 1, At the bottom of the second screw thread 131 of the lower outer container 130,

The double container characterized in that the jaw portion (133) extending to the outside is formed to form a sealed insulation space (O) between the lower inner container (120).
According to claim 1, wherein the upper outer peripheral surface of the lower outer container 130,

Double container characterized in that the third screw thread (132) is formed.
The method of claim 8,

A fourth screw thread 141 which is open at a lower side but forms a closed insulation space O between the upper inner container 110 and engages with a third screw thread 132 of the lower outer container 130 at a lower side thereof. The formed upper outer container (140); a double container further comprising.
According to claim 1, wherein the upper outer peripheral surface of the upper inner container 110,

Double container characterized in that the fifth thread 112 is formed.
The method of claim 10,

And an upper outer container (150) having a sixth screw thread (151) engaged with the fifth screw thread (112) upwardly as a tubular shape opened up and down.
An opening 110b is formed at an upper portion thereof, and an opening 110b is formed at a lower side thereof, and a first screw thread 111 is formed at a lower outer circumferential surface thereof, and a third slope 110d is formed at an upper portion of the first screw thread 111. The upper inner container 110; And

Opened to the upper side to form an inner space in communication with the upper inner container 110, the lower outer side formed with a second screw thread 131 is engaged with the first screw thread 111 of the upper inner container 110 on the upper inner peripheral surface. Container 130; including,

The upper portion of the second screw thread (131) of the lower outer container 130, a double container characterized in that the fourth inclined surface (130b) is engaged with the third inclined surface (110d) of the upper inner container (110).
The lower end side of the first screw thread 111 according to claim 12,

Double container characterized in that the first inclined surface (110c) is formed.
The lower portion of the second screw thread 131 of the lower outer container 130,

Double container characterized in that the fifth inclined surface (130c) is engaged with the first inclined surface (110c) of the upper inner container (110).