KR20170039361A - Plate check valve and manufacturing method therefor - Google Patents

Plate check valve and manufacturing method therefor Download PDF

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Publication number
KR20170039361A
KR20170039361A KR1020150138382A KR20150138382A KR20170039361A KR 20170039361 A KR20170039361 A KR 20170039361A KR 1020150138382 A KR1020150138382 A KR 1020150138382A KR 20150138382 A KR20150138382 A KR 20150138382A KR 20170039361 A KR20170039361 A KR 20170039361A
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KR
South Korea
Prior art keywords
base plate
plate
elastic membrane
check valve
protrusions
Prior art date
Application number
KR1020150138382A
Other languages
Korean (ko)
Other versions
KR101829103B1 (en
Inventor
조재식
Original Assignee
조재식
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Publication date
Application filed by 조재식 filed Critical 조재식
Priority to KR1020150138382A priority Critical patent/KR101829103B1/en
Publication of KR20170039361A publication Critical patent/KR20170039361A/en
Application granted granted Critical
Publication of KR101829103B1 publication Critical patent/KR101829103B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • B65D51/165—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve formed by a slit or narrow opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side

Abstract

The present invention relates to a plate-type check valve and a method of manufacturing the same. The plate-type check valve according to the present invention includes: a base plate having protrusions protruding on one surface thereof and having at least one through-hole; And an elastic membrane adhered to the other surface of the base plate except for the protrusions with an adhesive, wherein gas or liquid flowing from the base plate toward the elastic membrane flows between the protrusions without the adhesive and the elastic membrane through the holes, And the flow in the opposite direction is blocked.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a plate check valve,

The present invention relates to a plate-type check valve and a method of manufacturing the same, and more particularly, to a plate-type check valve capable of providing an original function of preventing gas or fluid from flowing backward, The present invention relates to a plate-type check valve and a method of manufacturing the plate-type check valve, which can be manufactured in a simple and compact structure.

A check valve is a valve that allows fluid to flow only in one direction and not in the opposite direction. It is mainly applied to water pipes or refrigerant pipes.

There are some balls and springs in general, but some have a thin plate-like structure, which is called a plate-type check valve (or plate check valve).

A technique for such a plate-type check valve is disclosed in Korean Patent Application No. 10-2008-0131404.

However, in the conventional plate check valve including the above-mentioned documents, since the structure of the plate check valve is relatively complicated such as having a spring, the beverage container such as a carbonated drink or a rice wine is used for preventing the beverage from overflowing It is necessary to develop a technology for a plate check valve having a simpler and more compact structure.

Korea Patent Office Application No. 10-2008-0131404

It is an object of the present invention to provide an apparatus and a method for manufacturing a beverage container which can provide a function of preventing gas or fluid from flowing backward and can be manufactured in a simple and compact structure that can be applied to beverage containers such as carbonated beverages and rice wine, And to provide a plate-type check valve capable of extending the range of application and a method of manufacturing the same.

The object of the present invention is achieved by a base plate comprising: a base plate having protrusions protruded on one surface thereof and having at least one through-hole; And an elastic membrane adhered to the other surface of the base plate except for the protrusions with an adhesive, wherein gas or liquid flowing from the base plate toward the elastic membrane flows between the protrusions without the adhesive and the elastic membrane through the holes, And the flow in the opposite direction is blocked by the plate-type check valve.

The protrusions may be linearly protruded from a surface of the base plate or disposed in a helical shape, and the through holes may be disposed adjacent to the protrusions.

The present invention also provides a base plate having protrusions protruding on one surface thereof and having at least one through hole; An elastic membrane including the protrusions and laminated on one surface of the base plate; A pressure plate stacked on one side of the elastic membrane to press the elastic membrane against the base plate, the pressure plate including a channel in which the protrusion is disposed; And a fixing member for fixing the pressure plate to the base plate on a surface excluding the channel.

A presser plate is formed in the presser plate around the channel to press the elastic film against the base plate. The presser plate may have a through hole through which the fixation member is fastened.

According to another aspect of the present invention, there is provided a method of manufacturing a semiconductor device, comprising: providing a base plate having a protrusion; Applying an adhesive on the base plate except for the protrusions; And adhering the elastic membrane to the adhesive on the base plate.

On the other hand, the above object can be achieved by a method of manufacturing a semiconductor device, comprising the steps of: applying an adhesive on a base plate except for a portion to be formed with a projection; Adhering an elastic membrane to the adhesive on the base plate; And forming the protrusions on the base plate by using a mold.

According to the present invention, it is possible to provide a function of preventing gas or fluid from flowing backward, as well as a simple and compact structure that can be applied to a beverage container such as a carbonated drink or a makgeolli, A plate-type check valve capable of extending the range is provided.

1 is a perspective view of a plate-type check valve according to a first embodiment of the present invention,
Fig. 2 is a rear view of Fig. 1,
Fig. 3 is an exploded perspective view of Fig. 1,
Fig. 4 is a rear view of Fig. 3,
FIG. 5 is a cross-sectional view taken along line AA of FIG. 1,
Figure 6 is a flow chart of a method of manufacturing the plate-like check valve of Figure 1;
Fig. 7 is a modification of Fig. 6,
8 is a perspective view of a plate-type check valve according to a second embodiment of the present invention,
Fig. 9 is an exploded perspective view of Fig. 8,
10 is a perspective view of a plate-type check valve according to a third embodiment of the present invention,
11 is an exploded perspective view of Fig. 10,
12 is a rear view of the pressure plate and the fixing member.
13 is a perspective view of a plate check valve according to a first embodiment of the present invention applied to a bottle lid,
FIG. 14 is a rear perspective view of FIG. 13,
15 is an exploded perspective view of Fig.

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

Fig. 1 is a perspective view of a plate-type check valve according to a first embodiment of the present invention, Fig. 2 is a rear view of Fig. 1, Fig. 3 is an exploded perspective view of Fig. FIG. 6 is a flow chart of a method of manufacturing the plate-type check valve of FIG. 1, and FIG. 7 is a modification of FIG. 6.

Referring to these figures, the plate-type check valve 100 according to the present embodiment is provided to provide a function of preventing gas or fluid from flowing backward, and includes a base plate 110 and an elastic membrane 120 can do.

The plate-type check valve 100 according to the present embodiment can be manufactured in the form of a coin of a thin thickness, as shown in FIGS. 1 and 2. The plate-type check valve 100 is, for example, a beverage container such as a carbonated drink, The lid can be mounted in the form of a pack.

In other words, since it has a simple and compact structure, it can be easily mounted on a bottle lid in a packing form. When the plate check valve 100 according to the present embodiment is mounted on the bottle lid, gas can be discharged to the outside naturally when excessive gas pressure is generated in the beverage container. Therefore, even if the bottle lid is fully opened, .

In addition, due to the structural characteristics, it is possible to prevent the introduction of the outside air into the beverage container, thereby preventing deterioration of the taste of the beverage.

As described above, the plate-shaped check valve 100 according to the present embodiment can be applied to a lid of a beverage container such as a carbonated beverage or a rice wine, but the scope of the present invention is not limited to such a matter.

In other words, the plate-like check valve 100 according to the present embodiment is installed between the flange of the water supply pipe, the refrigerant pipe, or the pipe in addition to the above-mentioned beverage container, and guides the water, steam, oil, You can not.

To check the plate check valve 100 in this way, first, the base plate 110 is a packing-type structure, and protrusions 111 protrude from one surface thereof. It may be formed of a plastic material or a thin plate-like metal material, but is not limited thereto.

At this time, the protrusion 111 may be arranged to protrude linearly from one surface of the base plate 110. In the present embodiment, protrusions 111 are projected and arranged symmetrically in a cross shape, but the scope of right of the present invention is not limited to the shapes of the drawings.

At least one through-hole 112 is formed in the base plate 110. In this embodiment, the through holes 112 pass through the protrusions 111 arranged in a cross shape and can be arranged in the central region. The through hole 112 is not necessarily formed so as to penetrate through the protrusion 111. The through hole 112 may be formed so as to be adjacent to the protrusion 111 May be sufficient.

Next, the elastic membrane 120 is a thin film adhered to the other surface of the base plate 110 except for the protrusion 111 with an adhesive.

The elastic membrane 120 shown in FIGS. 3 and 4 is shown only for convenience, and the elastic membrane 120 not bonded to the base plate 110 has a simple thin film shape without a surface shape.

The elastic membrane 120 is adhesively bonded to the base plate 110 by an adhesive as described above. At this time, when the elastic membrane 120 is adhered to the base plate 110 using an adhesive, the area of the protrusion 111 is not bonded. That is, as shown in FIG. 5, an adhesive is used only for the bonding region P1 and the region of the projection 111 is left as the non-bonding region P2. However, the distinction between the adhesion region P1 and the non-adhesion region P2 is not always clear.

The gas introduced through the through hole 112 on the side of the base plate 110 can not proceed to the adhered portion, so that the elastic membrane 120 is only in close contact with the protruding portion, Passes through the gap of adhesion between the elastic membrane (111) and the elastic membrane (120) and is discharged.

Therefore, if excessive gas pressure is generated in the interior, the gas is discharged into the gap of adhesion between the protrusion 111 and the elastic membrane 120. However, if the elastic membrane 120 is not in this state, So that the inflow of air (gas) from the outside can be blocked, thereby performing the role of a check valve.

The shape of the base plate 110 is not necessarily circular as shown in the drawing, and may have other polygonal shapes such as a triangular shape or a square shape.

In this embodiment, the base plate 110 and the elastic membrane 120 are made to have the same size, but need not necessarily be. For example, even if the elastic membrane 120 is smaller than the size of the base plate 110, there is no problem in providing the effect of the present invention.

Such a plate-like check valve 100 can be manufactured by the method of FIG. 6 or FIG.

6, after the base plate 110 having the protrusion 111 is provided (S11), an adhesive is applied on the base plate 110 except for the protrusion 111 (S12) Like check valve 100 can be manufactured by increasing the diameter of the check valve 120 and adhering it to the adhesive on the base plate 110 (S13).

7, the adhesive is applied on the base plate 110 except for the protrusions 111 to be molded (S21), and the elastic membrane 120 is adhered to the adhesive on the base plate 110 Next, in step S22, the plate-shaped check valve 100 may be manufactured by forming the protrusion 111 on the base plate 110 using a mold.

According to the present embodiment having the structure and function as described above, it is possible to provide the function of preventing the gas or the fluid from flowing backward, as well as being simple enough to be applied to beverage containers such as carbonated drinks and rice wine It can be manufactured in a compact structure and its application range can be expanded.

FIG. 8 is a perspective view of a plate-type check valve according to a second embodiment of the present invention, and FIG. 9 is an exploded perspective view of FIG.

Referring to these figures, the plate-type check valve 200 according to the present embodiment also includes a base plate 210 having protrusions 211 protruding from one surface thereof and having at least one through-hole 212, and protrusions 211 And an elastic membrane 220 bonded to the other surface of the base plate 210 with an adhesive.

In this case, a gas or liquid flowing from the base plate 210 toward the elastic membrane 220 is discharged through the through holes 212 while flowing between the protrusions 211 without the adhesive and the elastic membrane 220, .

Meanwhile, the protrusion 211 formed on the base plate 210 in this structure may be formed in a spiral shape unlike the above-described embodiment.

Even if the present embodiment is applied, it is possible to provide a function of preventing gas or fluid from flowing backward, as well as a simple and compact structure that can be applied to beverage containers such as carbonated beverages and rice wine, The range can be extended.

FIG. 10 is a perspective view of a plate-type check valve according to a third embodiment of the present invention, FIG. 11 is an exploded perspective view of FIG. 10, and FIG. 12 is a rear view of a pressure plate and a fixing member.

Referring to these figures, the plate-type check valve 300 according to the present embodiment includes a base plate 310 having protrusions 311 protruded on one surface thereof and having a through hole 312 passing through the protrusions 311, A pressing plate 330 as a means for fixing the elastic membrane 320 to the base plate 310 and a fixing plate 340 as a means for fixing the elastic membrane 320 to the base plate 310, ).

The structure and function of the base plate 310 and the elastic membrane 320 are the same as those in the above embodiment. However, in the case of this embodiment, the elastic membrane 320 is fixed to the base plate 310 by using the pressing plate 330 and the fixing member 340, rather than the adhesive.

The pressure plate 330 includes a channel 331 on which the elastic membrane 120 is laminated on one side of the elastic membrane 120 and the protrusion 111 is disposed on the base plate 110.

A press plate 332 for pressing and pressing the elastic film 320 on the base plate 310 is formed around the channel 331 and a through hole 333 is formed in the press plate 332.

The fixing member 340 is fixed to the base plate 110 through the through hole 333 of the press plate 332 to fix the elastic film 320 to the base plate 310.

Even if the present embodiment is applied, it is possible to provide a function of preventing gas or fluid from flowing backward, as well as a simple and compact structure that can be applied to beverage containers such as carbonated beverages and rice wine, The range can be extended.

FIG. 13 is a perspective view of a plate check valve according to a first embodiment of the present invention applied to a bottle lid, FIG. 14 is a rear perspective view of FIG. 13, and FIG. 15 is an exploded perspective view of FIG.

The plate check valve 100 described in the first embodiment, that is, the plate check valve 100 including the base plate 110 and the elastic membrane 120, as shown in FIGS. 13 to 15, includes a bottle cap 450 ). ≪ / RTI > A threaded portion 453 is formed on the inner wall of the bottle cap 450 so as to be screwed into a container (not shown).

A tunnel part 451 in which the protrusion 111 of the base plate 110 is disposed at the bottom is protruded from the upper surface of the bottle lid 450 so that the plate check valve 100 is applied to the bottle lid 450 do. At this time, the end of the tunnel portion 451 forms an open end opening 452.

After the plate-like check valve 100 is manufactured by adhering the elastic membrane 120 on the base plate 110 as described in the first embodiment, the plate-type check valve 100 is attached to the bottle cap 450 The bottle lid 450 can be coupled to the bottle lid 450 simply by engaging the bottle lid 450 with the container in a state where the protrusion 111 of the base plate 110 is coupled to the tunnel part 451 .

When the plate-like check valve 100 is applied to the bottle lid 450, if an excessive gas pressure is generated in the container, the gas flows into the through hole 112 and then the adhesive gap between the protrusion 111 and the elastic membrane 120 the elastic membrane 120 may be in contact with the upper portion of the protrusion 111 if the elastic membrane 120 is not in such a state that the elastic membrane 120 can be discharged to the outside through the end opening 452 of the bottle lid 450, So that the inflow of air (gas) from the outside can be blocked to perform the role of a check valve.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It is therefore intended that such modifications or alterations be within the scope of the claims appended hereto.

100: plate check valve 110: base plate
111: protrusion 112: through hole
120: elastic membrane

Claims (6)

A base plate having protrusions formed on one surface thereof and having at least one through hole; And
And an elastic membrane adhered to the other surface of the base plate with the adhesive except for the protrusions,
Wherein a gas or liquid flowing toward the elastic membrane from the base plate side flows out between the protruding portion without the adhesive and the elastic membrane through the through hole and is prevented from flowing in the opposite direction.
The method according to claim 1,
The protrusions may be linearly protruded or spirally arranged on one surface of the base plate,
And the through hole is disposed adjacent to the protruding portion.
A base plate having protrusions formed on one surface thereof and having at least one through hole;
An elastic membrane including the protrusions and laminated on one surface of the base plate;
A pressure plate stacked on one side of the elastic membrane to press the elastic membrane against the base plate, the pressure plate including a channel in which the protrusion is disposed; And
And a fixing member for fixing the pressure plate to the base plate at a surface excluding the channel.
The method of claim 3,
A presser plate is formed in the presser plate around the channel to press and fix the elastic film onto the base plate,
And a through hole through which the fixing member is coupled is formed in the pressure plate portion.
Providing a base plate having a projection;
Applying an adhesive on the base plate except for the protrusions; And
And adhering the elastic film to the adhesive on the base plate.
Applying an adhesive on the base plate except for a portion where the protrusion is to be formed;
Adhering an elastic membrane to the adhesive on the base plate; And
And forming the protrusions on the base plate by using a mold.
KR1020150138382A 2015-10-01 2015-10-01 Bottle cap having plate check valve KR101829103B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150138382A KR101829103B1 (en) 2015-10-01 2015-10-01 Bottle cap having plate check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150138382A KR101829103B1 (en) 2015-10-01 2015-10-01 Bottle cap having plate check valve

Publications (2)

Publication Number Publication Date
KR20170039361A true KR20170039361A (en) 2017-04-11
KR101829103B1 KR101829103B1 (en) 2018-02-14

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Application Number Title Priority Date Filing Date
KR1020150138382A KR101829103B1 (en) 2015-10-01 2015-10-01 Bottle cap having plate check valve

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100072868A (en) 2008-12-22 2010-07-01 한국타이어 주식회사 Plate check valve for pipe flowing backward prevention

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613517A (en) * 1994-10-24 1997-03-25 Reseal International Limited Partnership Sheath valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100072868A (en) 2008-12-22 2010-07-01 한국타이어 주식회사 Plate check valve for pipe flowing backward prevention

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