KR101161324B1 - Air pump dispenser - Google Patents

Abstract

In accordance with the contraction and expansion of the foldable corrugated tube, the air inlet for maintaining the negative pressure function by maintaining the negative pressure function by introducing external air into the container at the same time as the sealing function and automatic pumping of the contents contained in the container is made at the time of distribution. The present invention relates to an air pump dispenser capable of simplifying the structure and greatly reducing manufacturing costs by forming a passage, as well as maintaining the shape of the container without being influenced by pressure due to shrinkage and expansion during pumping. . The air pump dispenser includes a container; An integrated base cap comprising a lower outer cap to which the neck portion of the container body is coupled to an inner circumference, a lower inner cap having a central lower opening, and an upper cap having upper and side openings; A cylindrical fixing ring for forming a flow path portion of the contents fixed to the inner circumference of the upper cap of the integrated base cap; A foldable corrugated tube having a pressing portion formed at an upper end thereof; A gap penetrating between the integrated base cap, the cylindrical fixing ring, and the ring-shaped horizontal connection portion is formed to introduce external air into the vessel to maintain a negative pressure function inside the vessel. And an air inflow passage, and the contents contained in the container by the expansion and contraction of the foldable corrugated tube in response to the pressing of the pressing portion into a cylindrical fixing ring forming a flow path portion of the contents. The pump is characterized in that the discharge through the nozzle.

Description

Air pump dispenser {AIR PUMP DISPENSER}

The present invention relates to an air pump dispenser, and more particularly, according to the contraction and expansion of the foldable corrugated tube by the pressing operation of the pressing portion, the sealing function at the time of distribution and automatic pumping of the contents contained in the container, and at the same time, the outside air By introducing air into the vessel to form an air inlet for maintaining the negative pressure function, which greatly simplifies the structure and greatly reduces manufacturing costs, and also the pressure caused by the container shrinking and expanding during pumping. The present invention relates to an air pump dispenser capable of maintaining the shape of a container without being influenced at all.

Background Art Conventionally, air pump dispensers have been widely used as containers or vessels for quantitative extraction of various liquid or gel products such as general cosmetics, bathroom cleaning cosmetics, kitchen detergents and the like.

The pump dispenser is typically made of a durable solid or hard container formed of a thermosetting or thermoplastic resin, and the container or the vessel body (or body) is a high quality that emphasizes aesthetics and luxury Cosmetics have often been made in glass or crystal containers.

In addition, the air pump part is usually made of resin, except in rare cases of being made of metal. When the air pump presses the upper surface of the push head portion to pressurize the inside of the container, the valve path is opened, and a certain amount of contents is formed in the horizontal direction by having a discharge opening of the pump head and its end slightly inclined downward due to the pressure difference with atmospheric pressure. It has a structure to be taken out of the container through the nozzle portion, this configuration is known.

However, the structure of the conventional pump dispenser is capable of taking out the contents of the air pump to the outside by pressing the push head and refilling the contents of the mounting container by depressurizing and refilling the cylinder inside the cylinder block. Due to the very complex structure of the head, the piston and the piston guide, the cylinder block, etc., there is a problem in that the manufacturing itself is not only difficult, but also the manufacturing cost is increased and the manufacturing cost increases.

It is an object of the present invention to replace and assemble a cylindrical fixing ring top inner circumference forming a flow path portion of the contents fitted into the inner circumference of an integrated base cap in place of a conventional cylinder, nozzle head, and container cap. According to the contraction and expansion of the foldable corrugated tube, the sealing function at the time of distribution and the automatic pumping of the contents contained in the container are achieved, so that the pressing operation during the discharge of the contents is natural and smooth, and the structure is simple and compact, which greatly reduces the manufacturing cost. It is to provide an air pump dispenser.

Another object of the present invention is to form a gap penetrating between the unitary base cap, the cylindrical fixing ring, and a ring-shaped horizontal connection portion to introduce external air into the vessel and to provide a negative pressure inside the vessel. By maintaining the function, a new concept that can maintain the negative pressure function in the container by a simple and special structure without requiring a very complicated structure for negative pressure functions such as the cylinder head, piston and piston guide, cylinder block, etc. To provide an air pump dispenser.

Still another object of the present invention is that the foldable corrugated tube for automatic pumping can be simply fastened or released, so that it can be replaced, thereby changing the capacity of the foldable corrugated tube to be replaced by an air pump dispenser that can randomly change the amount of discharge. To provide.

An air pump dispenser according to the present invention for achieving the above object, the container having an open upper portion of the neck portion is accommodated; A lower outer cap to which the neck portion of the container body is fastened to an inner circumference and a ring-shaped horizontal connection portion connected to an upper end of the lower outer cap and integrally connected to the inside of the container and communicating with a first valve insertion hole (揷) An integrated base cap comprising a lower inner cap having a central lower opening having an insert, and an upper cap integrally formed at an upper end of the lower outer cap and having upper and side openings; A second valve insertion hole is formed in the inner circumference of the upper cap of the integrated base cap, the lower portion is in communication with the central lower opening, and the second side is in communication with the side opening of the upper cap. A cylindrical fixing ring forming a part; A foldable corrugated tube having a lower end coupled to an inner circumference of an upper opening of the upper cap and communicating therewith, and having a pressing portion formed at an upper end thereof; A nozzle integrally extending to the side opening of the upper cap and protruding to discharge contents contained in the container; And an air inlet for forming a gap penetrating between the unitary base cap, the cylindrical fixing ring, and the ring-shaped horizontal connecting portion to introduce external air into the container to maintain a negative pressure function inside the container. Wherein the air inlet passage is a first vertical groove formed perpendicularly to one side of the inner circumference of the upper opening of the upper cap of the integrated base cap as the inlet of the air, and from the bottom of the first vertical groove A first horizontal groove which is formed to extend and communicate in a horizontal direction, a second vertical groove which extends vertically from one end of the first horizontal groove to an inner peripheral lower end of the upper cap, and a lower end of the second vertical groove. A second horizontal groove formed horizontally extending by a predetermined length on an upper surface of the horizontal connecting portion, and communicating with an end of the second horizontal groove; A negative pressure hole formed in a coupling portion, wherein the negative pressure hole is formed so as to communicate with an inner space of a neck portion of the container having an upper opening so that air introduced through the first vertical groove can flow into the container; The contents contained in the container by the expansion and contraction of the foldable corrugated tube in accordance with the pressing of the pressing portion is pumped into the cylindrical fixing ring to form a flow path portion of the contents through the lower center opening; It is characterized in that the discharge through the nozzle.

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In addition, a ring-shaped packing is press-fitted between the upper end of the neck of the container and the upper inner circumference of the lower outer cap of the upper opening, and one end of the packing has a narrow vertical gap toward the inner space of the neck. Preferably formed.

The central lower opening of the lower inner cap may have a cylindrical shape protruding downwardly, and the first valve insertion hole formed at an upper end of the central lower opening may be press-fitted with a circular horizontal valve for opening and closing the lower opening. It is preferable that a circular vertical valve for opening and closing the side opening is press-fitted in a vertical form to the second valve insertion opening communicating with the side opening of the upper cap.

The horizontal valve may further include a first sealing valve for opening and sealing an upper end of the central lower opening at which the discharge passage of the container starts, and the first sealing valve fixedly supported at an outer circumference of the upper end of the central lower opening. And a first sealing valve fixing ring, wherein the vertical valve includes: a second sealing valve for opening and sealing the second valve insertion opening at which the discharge passage of the nozzle starts; and the second sealing It is preferable that it consists of a 2nd sealing valve fixing ring for fixing and holding a valve to the outer periphery of the said 2nd valve insertion opening.

As described above, according to the air pump dispenser according to the present invention, according to the contraction and expansion of the foldable corrugated tube by the pressing operation of the pressing portion, the sealing function at the time of distribution and automatic pumping of the contents contained in the container, By introducing air into the vessel to create an air inlet passage to maintain the negative pressure function, the structure can be dramatically simplified to reduce manufacturing costs, and the pressure due to the contraction and expansion of the vessel during pumping It is possible to maintain the shape of the container as it is without being influenced at all, and it is possible to simply fasten or loosen the foldable corrugated tube for the automatic pumping, so that it can be replaced. There is an effect that the discharge amount can be changed.

1 is an exploded perspective view of an air pump dispenser according to the present invention.
2 is a side cross-sectional view of the combination of the air pump dispenser according to the present invention.
3 is a cross-sectional view showing an air inlet passage for maintaining the negative pressure function by introducing external air of the air pump dispenser according to the present invention.
4A and 4B are combined sectional side views of the pumping and discharging states of the air dispenser according to the present invention, respectively.

Hereinafter, the most preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. .

1 is an exploded perspective view of an air pump dispenser according to the present invention, Figure 2 is a side cross-sectional view of the combined air pump dispenser according to the present invention, Figure 3 is a negative pressure by introducing the outside air of the air pump dispenser according to the present invention into the container (Iii) A cross-sectional view showing an air inflow passage for maintaining the function, and FIGS. 4A and 4B are combined side cross-sectional views of the pumping and discharging states of the air dispenser according to the present invention, respectively, which will be described together for convenience.

As shown, the air pump dispenser 1 according to the present invention comprises: a container 2 having a neck portion 2-1 having an open upper portion and containing contents; A lower outer cap 20 to which the neck portion 2-1 of the container 2 is fastened, a lower inner cap 30 having a central lower opening 31, and an upper cap 41 and a side opening 42. An integrated base cap 10 composed of 40; The foldable corrugated tube 60 is fastened and communicated with the inner circumference of the upper opening 41 of the upper cap 40 of the integrated base cap 10, and has a pressing portion 61 formed at an upper end thereof. A cylindrical fixing ring 50 which is fitted to the entire inner circumference of the upper cap 40 of 10) and forms a flow path portion of the contents; A nozzle (70) extending integrally with the lateral opening (42) of the upper cap (40) to discharge the contents contained in the container (2); A gap penetrating vertically between the unitary base cap 10, the cylindrical fixing ring 50, and the horizontal connecting portion 22 is formed to introduce external air into the container 2 to prevent negative pressure. ) Is largely comprised of an air inlet passage (see path extending with an arrow with the description 'air' in FIG. 3) to maintain function.

The container 2 accommodates the contents of various liquid or gel-like products, such as cosmetics or bathroom cleaning cosmetics, kitchen detergents, etc., the upper neck portion 2-1 is opened and opened, and the neck portion ( 2-1) is formed on the outer periphery of the screw portion (not shown in the figure) is screwed with the screw fastening portion 21 formed on the inner periphery of the lower outer cap 20 of the integral base cap 10 to be described later. In the illustrated example, the container 2 and the lower outer cap 20 are shown in a screw fastening manner, but the indentation by undercut is also possible and does not limit the fastening method in the present invention.

The integrated base cap 10 has a lower outer cap 20 to which the neck portion 2-1 of the container 2 is fastened to an inner circumference, and a ring shape at an upper end of the lower outer cap 20. A lower inner cap 30 which is integrally connected by the horizontal connecting portion 22 and communicates with the inside of the container 2 and has a central lower opening 31 having a first valve insert 32; The upper cap 40 is integrally formed vertically with the upper end of the lower outer cap 20, and has an upper cap 40 having upper and lateral openings 41 and 42 as a single body. The horizontal valve 80, which will be described later, is inserted into and fixed to the first valve insertion hole 32 so that the contents of the container 20 can be opened and closed at the time of pumping.

Here, the container 2 and the integrated base cap 10 are 'rigid or solid members', which are usually made of resin or metal and are not easily deformed by gripping force. It is robust.

On the other hand, the upper opening 41 of the upper portion of the upper cap 40 of the integrated base cap 10 is a cylindrical protruding upward, the screw fastening groove portion 41-1 is formed on the inner periphery, folding type described later The screw fastening protrusion (not shown in the drawing) is formed on the outer circumference of the lower end portion 63 of the corrugated tube 60 so as to be screwed.

In addition, the cylindrical fixing ring 50 forming the flow path portion of the contents is fixed to the entire inner circumference of the upper cap 40 of the integrated base cap 10, the lower portion is A second valve opening 51 is formed in communication with the central lower opening 31 of the lower inner cap 30, and in communication with the side opening 42 of the upper cap 40.

Here, the screw fastening protrusion 52 is formed along the lower edge of the cylindrical fixing ring 50 to fasten and fasten with the screw fastening groove 41-2 formed at the lower inner circumference of the upper cap 40. It is supposed to be. In addition, the second valve insertion port 51 is inserted and fixed to the vertical valve 81 to be described later to open and close the contents in the fixing ring 50 when pumping.

In addition, it extends integrally from the lateral opening 42 of the upper cap 40 of the integrated base cap 10 and protrudes laterally downward, so that the contents existing in the fixing ring 50 at the time of pumping out by a predetermined amount. The nozzle 70 which discharges is provided.

The foldable corrugated tube 60 has a substantially vertical cylindrical shape, and screw fastening protrusions screwed into the screw fastening groove portion 41-1 of the inner circumference of the upper opening 41 of the upper cap 40 from the lower side (Fig. The lower end portion 63 of the cylindrical shape (not numbered), the bellows 62 formed on the lower end portion 63, and the pressing portion 61 formed on the upper end of the bellows 62. Here, at the time of fastening the foldable corrugated tube 60 and the upper opening 41 of the upper cap 40, between the upper outer circumference of the fixing ring 50 and the inner circumference of the upper opening 41 of the upper cap 40. The lower end of the foldable corrugated tube 60 is fastened and fixed in close contact. The foldable corrugated tube 60 can be simply fastened or loosened by the screwing method to the upper cap 40 to replace and assemble only the foldable corrugated tube 60 so that the fixed quantity discharge amount can be arbitrarily adjusted.

In addition, the bellows foldable bellows 60 is preferably a sheet of a flexible material in which at least one layer of a metal or an oxide thin film or an inorganic thin film is laminated on at least one resin film. There is no particular limitation on the type and number of films and the type of metal layer, and preferred resin types include LLDPE, (Leaner Low Density Polyethylene), Low Density Polyethylene (LDPE), Polyethylene terephthalate (PET), Ethylene Vinyl Alcohol (EVOH), and HDPE ( High Density Polyethylene (PE), PE (Polyethylene), NY (Nylon), and EVA (Ethylene Vinyl Acetate), and at least one of these resin films may be laminated in multiple layers, in the middle of any of the above resin layers. Aluminum deposition film, or a composite sheet on which a ceramic deposition film, such as SiOx, where x is an integer of 2 or 4, or the like, may be laminated.

In addition, the central lower opening 31 of the lower inner cap 30 has a cylindrical shape that protrudes downwardly and has a first valve having a substantially circular horizontal valve 80 press-fitted to open and close the lower opening 31 at an upper end thereof. The insertion port 32 is formed.

The horizontal valve 80 includes a sealing valve 80-1 for opening and sealing an upper end of the central lower opening 31 at which the discharge passage of the container 2 starts, and the sealing valve 80-1. It consists of a sealing valve fixing ring (80-2) for fixed support on the outer periphery of the upper end of the central lower opening (31).

In addition, a substantially circular vertical valve 81 for opening and closing the side opening portion 42 is vertically formed in the second valve insertion opening 51 communicating with the side opening portion 42 of the upper cap 40. Press-fit is fixed.

The vertical valve 81 includes a sealing valve 81-1 for opening and sealing a second valve insertion opening 51 at which the discharge passage of the nozzle 70 starts, and the sealing valve 81-. It consists of the sealing valve fixing ring 81-2 for fixing and holding 1) to the outer periphery of the said 2nd valve insertion opening 51. As shown in FIG.

The upper end of the lower outer cap 20 and the upper end of the lower inner cap 30 are integrally connected by a horizontal connection portion 22 having a ring shape. The lower outer cap 20 has a cylindrical cap body shape, the lower inner cap 30 has a two-stage staircase shape that narrows downward, and the narrower lower side becomes a central lower opening 31.

Meanwhile, the air inlet passage for maintaining the negative pressure function, which is one of the main features of the present invention, will be described in detail as follows.

The air inlet passage forms a small vertical gap between the integral base cap 10, the cylindrical fixing ring 50, and the ring-shaped horizontal connection portion 22 to draw outside air into the vessel (2). ) To maintain the negative pressure function inside the container (2), so that the container has no influence on the pressure due to the contraction and expansion when pumping by the contraction and expansion of the bellows (60) The container shape can be maintained as it is without being received.

That is, as shown in FIG. 3, the air inflow passage is formed as a inlet for air, and is formed perpendicular to one side of the inner circumference of the upper opening 41 of the upper cap 40 of the integrated base cap 10. A first vertical groove 43, a first horizontal groove 44 formed horizontally extending and communicating inwardly from a lower end of the first vertical groove 43, and vertical from one end of the first horizontal groove 44; The second vertical groove 45 extending to the inner peripheral lower end of the upper cap 40 and horizontally extending by a predetermined length from the lower end of the second vertical groove 45 into the upper surface of the horizontal connecting portion 22 And a negative pressure hole 23 formed in communication with an end portion of the second horizontal groove 24 and penetrating through the horizontal connecting portion 22. Silver upper side communicates with the inner space (not shown in figure) of the neck part 2-1 of the opening container 2, and is the 1st perpendicular | vertical The air introduced through the grooves 43 can be introduced into the container 2.

Here, a ring-shaped packing 82 is press-fitted and fixed between the upper end of the neck portion 2-1 of the upper container 2 and the upper inner circumference of the lower outer cap 20. One end (inner end) of) is formed to have a narrow vertical gap 83 (approximately 0.2 mm or less) toward the inner space (not shown) of the neck portion 2-1 to complete the air inflow passage. . By having the narrow vertical gap 83 by the packing 82 as described above, only the introduced air is introduced into the container 2, but the contents in the container 2 are not discharged at all through the air inflow passage. .

Accordingly, the user or the consumer presses and releases the pressing portion 61 of the folding corrugated tube 60 so that the folding corrugated tube 60 is contracted and inflated so that the contents in the inside of the container 2 are horizontally valved. And pumping the contents pumped into the cylindrical fixing ring 50, which forms a flow path portion of the contents, and pumping the contents pumped into the cylindrical fixing ring 50. 70 to allow a fixed quantity discharge, and vertically between the integrated base cap 10, the cylindrical fixing ring 50, and the ring-shaped horizontal connecting portion 22, which are the air inflow passages. Pumping and towing by shrinking and expanding the bellows 60 of the folding corrugated form to maintain the negative pressure function inside the container 2 by introducing outside air into the container 2 through a small gap penetrated. Before release, the vessel (2) is affected by the pressure due to shrinkage and expansion. The container shape can be maintained as it is without tongue.

That is, when the foldable corrugated tube 60 initially contracted is expanded upward (see FIG. 4A), the air in the flow path of the cylindrical fixing ring 50 forming the flow path part of the contents is When the sealing valve 80-1 of the horizontal valve 80 at the upper end of the center lower opening 31 at which the discharge passage of the container 2 starts to be moved upward is lifted upward, a gap is formed. The contents contained in the container 2 are pumped upward through the gaps, and are discharged into a flow path (not given a number) inside the cylindrical fixing ring 50 to be in a discharge standby state.

At this time, the outside air through the above-described air inlet passage that is a gap between the integrated base cap 10, the cylindrical inlet passage 50, the cylindrical fixed ring 50, and the ring-shaped horizontal connection portion 22 By automatically flowing into the container 2, even if the contents are pumped to the upper side of the container 2, it is possible to maintain the shape of the container as it is by the negative pressure.

Subsequently, when the pressing portion 61 is pressed by the user (see FIG. 4B), the foldable corrugated tube 60 is contracted again, so that the air in the cylindrical fixing ring 50 is moved downward, even though the sealing valve ( 80-1 is tightly fixed to the outer periphery of the upper end of the center lower opening 31 so that the center lower opening 31 is completely shut off and the sealing valve 81-1 of the vertical valve 81 is opened laterally. As a result, the contents existing in the flow path of the cylindrical fixing ring 50 are automatically discharged through the lateral opening 42 and the nozzle 70.

Although the present invention has been described in detail with reference to preferred embodiments, it is not intended to limit the present invention but merely to illustrate the present invention, and various changes and modifications can be made by those skilled in the art without departing from the gist and scope of the present invention. Of course, this is also within the scope of the present invention.

1: Air pump dispenser according to the present invention
2: container 2-1: neck
10: integral base cap 20: lower outer cap
21: screw connection 22: ring-shaped horizontal connection
23: negative pressure hole 24: second horizontal groove
30: lower inner cap 31: central lower opening
32: first valve insert 40: upper cap
41: Upper opening 41-1, 41-2: Screw fastening groove
42: side opening 43: first vertical groove
44: first horizontal groove 45: second vertical groove
50: cylindrical fixing ring 51: second valve insertion port
52: screwing protrusion
60: folding corrugated tube 61: press
62: bellows 63: bottom
70: nozzle 80: horizontal valve
80-1, 81-1: Sealing valve 80-2, 81-2: Sealing valve retaining ring
81: vertical valve 82: packing
83: narrow vertical clearance

Claims (5)

A container having a neck portion open at an upper portion thereof to accommodate contents;
A lower outer cap to which the neck portion of the container body is fastened to an inner circumference and a ring-shaped horizontal connection portion connected to an upper end of the lower outer cap and integrally connected to the inside of the container and communicating with a first valve insertion hole (揷) An integrated base cap comprising a lower inner cap having a central lower opening having an insert, and an upper cap integrally formed at an upper end of the lower outer cap and having upper and side openings;
A second valve insertion hole is formed in the inner circumference of the upper cap of the integrated base cap, the lower portion is in communication with the central lower opening, and the second side is in communication with the side opening of the upper cap. A cylindrical fixing ring forming a part;
A foldable corrugated tube having a lower end coupled to an inner circumference of an upper opening of the upper cap and communicating therewith, and having a pressing portion formed at an upper end thereof;
A nozzle integrally extending to the side opening of the upper cap and protruding to discharge contents contained in the container; And
An air inlet passage forming a gap penetrating between the unitary base cap, the cylindrical fixing ring, and the ring-shaped horizontal connection portion to allow external air to flow into the vessel to maintain a negative pressure function within the vessel; Consists of:
Here, the air inlet passage
A first vertical groove formed as an inlet of air and perpendicular to an inner circumferential side of the upper opening of the upper cap of the integrated base cap;
A first horizontal groove formed to extend and communicate horizontally inwardly from a lower end of the first vertical groove,
A second vertical groove extending vertically from one end of the first horizontal groove to an inner peripheral lower end of the upper cap;
A second horizontal groove formed horizontally extending by a predetermined length on an upper surface of the horizontal connecting portion from a lower end of the second vertical groove;
It is made of a negative pressure hole in communication with the end of the second horizontal groove formed in the horizontal connecting portion,
The negative pressure hole is formed to communicate with an inner space of the neck portion of the container having an upper opening so that air introduced through the first vertical groove can flow into the container;
The contents contained in the container by the expansion and contraction of the foldable corrugated tube in accordance with the pressing of the pressing portion is pumped into the cylindrical fixing ring to form a flow path portion of the contents through the lower center opening; Discharging through the nozzle, characterized in that
Air Pump Dispenser. delete The method of claim 1,
A ring-shaped packing is press-fitted between the upper end of the neck portion of the container and the upper inner circumference of the lower outer cap while the upper opening is opened, and one end of the packing is formed to have a narrow vertical gap toward the inner space of the neck portion. Air pump dispenser, characterized in that. The method according to claim 1 or 3,
The central lower opening of the lower inner cap has a cylindrical shape which protrudes downwardly, and the first valve insertion hole formed at the upper end of the central lower opening has a circular horizontal valve for pressurizing and opening the lower opening.
And a circular vertical valve for opening and closing the side opening is press-fitted and fixed in a vertical form to the second valve insertion opening communicating with the side opening of the upper cap. The method of claim 4, wherein
The horizontal valve may include a first sealing valve for opening and sealing an upper end of a central lower opening at which the discharge passage of the container starts, and for fixing and supporting the first sealing valve to an outer periphery of the upper end of the central lower opening. The first sealing valve fixing ring,
The vertical valve may include a second sealing valve for opening and sealing the second valve insertion opening at which the discharge passage of the nozzle starts, and the second sealing valve of the second valve insertion opening. An air pump dispenser, comprising: a second sealing valve fixing ring for fixed support on an outer circumference.

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