WO2007037081A1 - Soupape d'evacuation d'air pour sac de compression et sac de compression avec soupape d'evacuation d'air - Google Patents

Soupape d'evacuation d'air pour sac de compression et sac de compression avec soupape d'evacuation d'air Download PDF

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Publication number
WO2007037081A1
WO2007037081A1 PCT/JP2006/316596 JP2006316596W WO2007037081A1 WO 2007037081 A1 WO2007037081 A1 WO 2007037081A1 JP 2006316596 W JP2006316596 W JP 2006316596W WO 2007037081 A1 WO2007037081 A1 WO 2007037081A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
valve
deaeration
valve body
compression bag
Prior art date
Application number
PCT/JP2006/316596
Other languages
English (en)
Japanese (ja)
Inventor
Kazuya Tanaka
Original Assignee
Kawai, Osamu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/JP2005/017804 external-priority patent/WO2007036992A1/fr
Application filed by Kawai, Osamu filed Critical Kawai, Osamu
Priority to JP2007537551A priority Critical patent/JP4859838B2/ja
Priority to EP20060783000 priority patent/EP1942062A1/fr
Publication of WO2007037081A1 publication Critical patent/WO2007037081A1/fr

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Classifications

    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
    • 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
    • F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres

Definitions

  • the present invention relates to a deaeration valve for a compression bag that is used after deaeration of internal air, and a compression bag provided with the deaeration valve.
  • Patent Document 1 Japanese Utility Model Publication No. 5-44837
  • This compression bag is for taking in and out the stored items, and has an opening that can be closed in an airtight state by a chuck or the like.
  • many compression bags are equipped with a deaeration valve having an air passage for discharging the air inside the bag.
  • deaeration valve for a futon storage bag
  • This has a base that is integrally attached to the compression bag and communicates with the inside and the outside of the bag through an air passage, and a lid that is arranged so as to be screwable with the base.
  • a valve body is formed on the base body.
  • This valve body is provided with a packing that also has rubber and other forces, and when the lid body is loosened with respect to the base body, the air passage formed in the lid body can be opened and closed.
  • the valve body is urged by an urging means such as a spring so as to close the air passage, and as described above, the air passage is formed only when suctioned by a vacuum cleaner. It is opened so that the air in the bag is discharged to the outside. Finally, by screwing the lid into the base, the valve body can be fixed in a closed state, and the inside of the compression bag can be maintained in a deaerated state.
  • the valve body since the valve body is urged by the urging means, even when suctioned by a vacuum cleaner, a time difference occurs in the operation of the valve body, and the evacuation is promptly performed. There was a problem that I could't feel. In addition, there is a problem that the number of constituent members is large, such as packing required for the biasing means.
  • an object of the present invention is to provide a degassing valve for a compression bag and a compression bag provided with the degassing valve, which have a relatively simple configuration. It is another object of the present invention to provide a degassing valve for a compression bag and a compression bag equipped with the degassing valve that can be quickly degassed. Disclosure of the invention
  • the invention according to claim 1 of the present application has a threaded portion 24a and is attached to a through-hole provided in the compression bag B, whereby the compression bag B
  • the base body 2 that serves as a degassing opening, the lid 3 attached to the upper side of the base body 2 by being screwed into the screw portion 24a, and a valve formed separately from the base body 2 and the lid body 3
  • the base body 2 is formed with a partition wall 21 that cuts off the inside and the outside of the compression bag B, and the partition wall 21 communicates the inside and the outside of the compression bag B.
  • a deaeration port 22 is provided, and the upper surface 31 of the lid 3 has a corresponding portion 31a that comes into contact with the suction port N of the vacuum cleaner, and the corresponding portion 31a is a vacuum cleaner.
  • the lid side through-hole 32 that leads to the inside of the lid 3 is provided in a region surrounded by the periphery of the suction port N when the suction port N is in contact.
  • the valve body 4 is at least partially arranged in a valve body storage chamber S surrounded by the partition wall 21 and the lid body 3 of the base body 2.
  • the screw portion 24a is formed on the side wall 24 provided so as to protrude upward in the base body 2, and the lid 3 3 is provided with a pressing portion 33 for pressing the valve body 4, and the valve body storage chamber S includes the side wall 24 and It is defined by the partition wall 21 and the lower end of the pressing portion 33 of the lid body 3, and the valve body 4 is not urged by an elastic body other than the one fixed to the base body 2 or the lid body 3.
  • the part of the valve body 4 can move in the valve body storage room S in the vertical direction.
  • a deaeration valve for a compression bag characterized by being capable of covering the entire deaeration port 22 even when the valve body 4 moves in the horizontal direction.
  • the vertical dimension of the valve body accommodating chamber S is at least the horizontal dimension of the valve body 4.
  • the invention described in claim 3 of the present application is composed of only the base 2, the lid 3, and the valve 4 described above. Provides a degassing valve for compression bags.
  • the invention according to claim 4 of the present application is the radially outer side of the deaeration port 22 of the base 2 and the cover-side through-hole 32 of the cover 3, and the cover 3 is the base 2
  • the air bag obstruction wall 37 is provided on a radially outer side of the side wall 24 of the base body 2 in a state of being attached to the base body 2.
  • the ventilation blocking wall 37 is provided so as to protrude downward from the lower surface force of the lid 3, and from the lower surface of the lid 3.
  • the height is set so as not to hinder the closing of the deaeration valve 1 by screwing the lid 3 against the base body 2, and at least the portion provided with the lid-side through-hole 32 in the lid 3 has a diameter.
  • the pressing portion 33 of the lid 3 has a pressing ring 33 a, and the upper end surface 33 al of the pressing ring 33 a is lower than the upper surface 31 of the lid 3.
  • the lid side through hole 32 is composed of a central side through hole 32a provided in the pressing ring 33a and a peripheral side through hole 32b provided outside in the plan view of the pressing ring 33a.
  • the center side through hole 32a and the peripheral side through hole 32b have a continuous space 32c that is below the upper surface 31 of the lid 3 and continuous above the pressing ring 33a.
  • a deaeration valve for a compression bag according to claim 1 or 2 is provided.
  • valve body 4 includes a protruding portion 41 protruding upward, and the pressure ring 33a of the lid body 3 is provided with a valve body support portion 33b.
  • the protrusion 41 is arranged to be movable up and down on the valve support 33b.
  • the invention according to claim 8 of the present application is a compression bag B in which a sealed resin-made bag sheet B1 is bonded to form a sealable space inside. Then, when the deaeration valve 1 for a compression bag according to any one of claims 1 to 7 is attached to the bag sheet B 1, the air present in the space is removed from the deaeration valve.
  • a compression bag characterized in that it can be deaerated through the deaeration port 22 and can maintain the deaerated state.
  • the invention according to claim 9 of the present application is such that an opening degree indicating portion 39 is provided on the surface of the lid 3 of the deaeration valve 1, and the deaeration valve 1 of the bag sheet B1 is provided.
  • An open position display section B4 is provided at a position corresponding to the opening instruction section 39 in the open state
  • a closed position display section B5 is positioned at a position corresponding to the opening instruction section 39 in the closed state of the deaeration valve 1.
  • FIG. 1 is a plan view showing a compression bag equipped with a deaeration valve of this example.
  • FIG. 2 (A) is a plan view showing a base of the deaeration valve of this example, (B) is a sectional view taken along the line AA, and (C) is a bottom view thereof.
  • FIG. 3 (A) is an enlarged plan view of a main part showing a side wall of a base of the deaeration valve of this example, and (B) is an enlarged side view of the main part.
  • FIG. 4A is a plan view showing a base of a deaeration valve according to another embodiment
  • FIG. 4B is a sectional view taken along the line B-B
  • FIG. 4C is a bottom view thereof.
  • FIG. 5 (A) is a plan view showing the lid of the deaeration valve of this example, (B) is a cross-sectional view of the same CC, and (C) is a bottom view of the same.
  • FIG. 6A is a plan view showing a lid of a deaeration valve according to another embodiment
  • FIG. 6B is a sectional view of the same DD
  • FIG. 6C is a bottom view of the same.
  • FIG. 7 (A) is a plan view showing a lid of a deaeration valve according to another embodiment, and (B) is the same E— E combined sectional view, (C) is a bottom view of the same.
  • FIG. 8A is a plan view showing a lid of a deaeration valve according to another embodiment
  • FIG. 8B is a sectional view of the same G—G combination
  • FIG. 8C is a bottom view of the same.
  • FIG. 9 is a plan side perspective view showing a lid of a deaeration valve according to another embodiment.
  • FIG. 10 is a bottom perspective view showing a deaeration valve lid according to another embodiment.
  • FIGS. 11A and 11B are perspective views on the plane side showing a valve body of a deaeration valve according to another embodiment.
  • FIG. 12 (A) is a plan view showing a base of a deaeration valve according to another embodiment
  • FIG. 12 (B) is a sectional view of the same H—H combination.
  • FIG. 13 (A) is a plan view showing a lid of a deaeration valve according to another embodiment
  • FIG. 13 (B) is a sectional view taken along the same line II.
  • FIG. 14 (A) is a plan view of the deaeration valve in the closed state of this example, (B) is a cross-sectional view of the same JJ combination, and (C) is an enlarged view of the main part of the same KK cross-section.
  • FIG. 15 (A) is a plan view of the deaeration valve of this example in an open state, and (B) is a sectional view of the same L L combination.
  • FIG. 16 (A) is a plan view of a deaeration valve according to another embodiment in a closed state
  • FIG. 16 (B) is a sectional view taken along the line MM.
  • FIG. 17A is a plan view of a deaeration valve according to another embodiment in an open state
  • FIG. 17B is a cross-sectional view of the same O—O combination.
  • FIG. 18 is a plan view showing a compression bag to which a deaeration valve of this example is attached, in which an open / close indication is added to the bag.
  • Fig. 1 shows a compression bag fitted with the deaeration valve of this example
  • Fig. 2 shows the base of the deaeration valve of this example
  • Fig. 5 shows the lid of the deaeration valve of this example
  • Figs. 15 shows the open and closed state of the deaeration valve of this example.
  • a deaeration valve 1 for a compression bag includes a base body 2 and a lid body 3 formed separately from each other, as shown in Figs. It is comprised. Compared to conventional deaeration valves It has a relatively simple configuration with a small number of component members. As shown in FIG. 1, the deaeration valve 1 is attached to a compression bag B in which a space that can be sealed is formed by bonding a flexible bag sheet B1 made of resin. used.
  • the expression related to the positional relationship of the deaeration valve 1 assumes that the deaeration valve 1 is arranged in the horizontal direction (see Fig. 14 (B)), and the external direction of the compression bag B is "upper". The internal direction is “downside”.
  • the base 2 is as shown in FIG. 2, and is compressed as shown in FIG. 1 by being attached to a through hole (not shown) provided in the compression bag B. It serves as a vent for bag B.
  • the base body 2 includes a flat mounting plate 23.
  • the mounting plate 23 is a disk-shaped force.
  • the mounting plate 23 can be implemented in various forms such as an elliptical shape and a polygonal shape.
  • This attachment plate 23 has an upper side surface as shown in FIGS. 14 (B) and 15 (B) when the deaeration valve 1 is attached to the bag sheet B1 constituting the compression bag B. It abuts against the inner surface of the bag sheet B1, and a part thereof is bonded to the bag sheet B1.
  • the mounting plate 23 is provided with a cylindrical side wall 24 protruding upward. In this example, it is substantially cylindrical. As described above, when the base body 2 is attached to the compression bag B, the side wall 24 passes through the through-hole provided in the bag sheet B1 as described above. Then, the periphery of the through hole of the bag sheet B1 and the mounting plate 23 are bonded in an airtight manner.
  • the side wall 24 of this example has a threaded portion 24a on the outer peripheral surface.
  • the present invention is not limited to this, and one having a screw portion 24a on the inner peripheral surface or one having both the outer peripheral surface and the inner peripheral surface may have the screw portion 24a.
  • the threaded portion 24a in this example is formed as an engaging groove 24a inclined with respect to the horizontal direction.
  • the base 2 and the lid are formed by engaging the engagement groove 24 a with the front end claw 34 a of the hook 34 of the lid 3 shown in FIG. 5 (B). Body 3 is united.
  • each engagement groove 24a has a range obtained by adding the size of the tip claw 34a of the hook 34 to the both ends of the 90 ° range in plan view, that is, the lid.
  • the body 3 is formed so as to be rotatable within a range of 90 °.
  • a click projection 24b is provided on the outer peripheral surface of the side wall 24 so as to sandwich the engagement groove 24a.
  • the click protrusions 24b are provided to the base 2 corresponding to the position where the lid 3 is most loosened (open position) and the position where the lid 3 is most tightened (closed position).
  • the click projections 24b can fix the lid 3 between the open position and the closed position when the inner surface of the hook portion 34 in the lid 3 gets over.
  • a click protrusion 24b may be provided inside the engagement groove 24a. In that case, a recess that fits into the click projection 24b is formed on the inner surface of the tip claw 34a of the lid 3, and the recess 3 and the click projection 24b are fitted to each other to form the lid 3 It is good also as what fixes.
  • FIG. 12 shows an example of the base 2 having the threaded portion 24a on the inner peripheral surface of the side wall 24 as described above.
  • the threaded portion 24a is provided so as to circulate 360 degrees or more around the inner peripheral surface of the side wall 24 in a spiral force having a triangular cross-sectional shape. Yes.
  • FIG. 13 shows an example of the lid 3 corresponding to the base 2 described above.
  • a thread 34b is provided on the front end side of the outer peripheral surface of the hook portion 34 so as to rotate 360 ° or more.
  • the thread 34b corresponds to the tip claw 34a in the example shown in FIG. 5, and can be screwed into the thread 24a of the base 2 in this example.
  • the force is a structure in which an internal screw is provided on the base 2 side and an external screw is provided on the lid 3 side.
  • an external screw is provided on the base 2 side.
  • It may be a structure in which a screw is provided and an inner screw is provided on the side of the lid 3 and the hook portion 34 of the lid 3 is arranged on the radially outer side of the side wall 24 of the base 2. ,.
  • the inner portion of the mounting plate 23 surrounded by the side wall 24 is a partition wall 21.
  • the partition wall 21 can be cut off from the inside and outside of the compression bag B by being combined with the valve body 4.
  • the upper surface of the partition wall 21 For example, a mortar-shaped curved surface may be used.
  • the mounting plate 23 of the base 2 is hermetically bonded to the bag sheet B1, so that the deaeration valve 1! /, And only the deaeration port 22! Will pass.
  • the shape of the deaeration port 22 in this example is a hole provided in the center of the mounting plate 23 and the partition wall 21 in a circular shape in plan view. Yes.
  • a straight valve support 27 is located across the extension line of the rectifying plate 25 formed radially on the lower side of the mounting plate 23.
  • the valve support 27 is divided into two parts every 180 ° in plan view with the center of the circle as a reference.
  • the valve support portion 27 is for supporting the valve body 4 with a downward force.
  • the shape of the deaeration port 22 is not limited to that of the present example. For example, as shown in FIGS. It may be. Further, the present invention can be carried out in various shapes that are good in arrangement of many small-diameter holes or slit-like holes extending in the radial direction or circumferential direction.
  • the rib 26 is a projection having a width of 1 mm and a height of 0.3 mm, and is provided in a continuous annular shape just outside the deaeration port 22 in the radial direction. Since the rib 26 is provided, as shown in FIG. 14 (B), when the pressing portion 33 presses the valve body 4 with an upward force, the rib 26 presses the valve body 4 from below. This makes it possible to more reliably close the deaeration port 22 by the valve body 4. As shown in FIG. 4, the rib 26 may not be provided.
  • the mounting plate 23 extends radially with reference to the center of the mounting plate 23.
  • a rectifying plate 25 having a curved shape on one side in the circumferential direction is provided as the central force increases. In this example, as shown in the figure, it extends along the radial direction of the mounting plate 23 until it is directed outward in the radial direction, and gradually curves in the circumferential direction from the middle. It is plate-shaped.
  • the rectifying plate 25 having such a configuration on the lower surface of the mounting plate 23, the airflow that also discharges the internal force of the compression bag 1 is along the mounting plate 23 as shown in FIG. 2 (B).
  • Directional air flow F1 As shown in FIG. 2 (C), it is guided to the deaeration port 22 while turning along the current plate 25, so that it is possible to deaerate with a relatively small resistance.
  • the presence of the rectifying plate 25 causes the bag sheet Bl located behind the deaeration valve 1 or the stored items in the bag to be sucked and the deaeration port 22 to be blocked from the inside of the bag. This can prevent the situation where deaeration becomes impossible.
  • the upper surface 31 of the lid 3 is a plane force or a slightly curved surface, and at least a part of the upper surface 31 is a corresponding portion 31a.
  • the corresponding portion 31a is the tip of the nozzle of the vacuum cleaner. Abuts on the suction port N. And in this corresponding
  • the lid-side through-hole 32 is provided at four locations so as to surround the center-side through-hole 32a formed in the center of the corresponding portion 31a and the center-side through-hole 32a with substantially the same dimensions as the deaeration port 22 of the base body 2. And the peripheral through hole 32b.
  • the airflow that has passed through the deaeration port 22 of the base 2 passes through the lid side through-hole 32 and is discharged to the outside of the deaeration valve 1. Specific degassing methods will be described later.
  • a hooking portion 34 protrudes from the lower surface of the lid 3.
  • two hooking portions 34 are provided every 180 ° with respect to the center of the upper surface 31 of the lid 3 in the bottom view.
  • a tip claw 34a is formed at the tip of the hook 34 so as to face the inside.
  • the front end claw portion 34a is engaged with the engagement groove 24a formed on the outer peripheral surface of the side wall 24 of the base body 2, and thereby the front end claw portion 34a in the engagement groove 24a.
  • the lid 3 can be rotated in the direction in which the lid 3 is loosened and tightened.
  • the engaging groove 24a is inclined with respect to the horizontal direction, so that the lid 3 moves up and down with respect to the base body 2 with the rotation.
  • the shape of the hooking portion 34 is configured so that it can be engaged with the engaging groove 24a. Will also be changed
  • the rotation range of the lid 3 of this example with respect to the base 2 is 90 °. That is, the lid The angle at which the body 3 is screwed into the base body 2 is only 90 °. Therefore, unlike the device described in Patent Document 1, the deaeration valve 1 of the present example does not need to be rotated many times with respect to the base body in order to screw the lid body, and thus is operated more than before. Easy.
  • the rotation range of the lid 3 is suitably in the range of 30 ° to 180 °, but is not limited to this.
  • the rotation range of the lid 3 with respect to the base body 2 may be set to the above angle or more and the lid 3 may be rotated one or more times. .
  • a rotation support protrusion 36 is provided to protrude from the lower surface of the lid 3 at a position shifted by 90 ° with respect to the hook portion 34. ing.
  • the pressing portion 33 is provided adjacent to the outer peripheral side.
  • the rotation support protrusion 36 is arranged on the inner side of the inner surface of the side wall 24 of the base body 2 when the lid body 3 is attached to the base body 2. With this, the lid 3 can be rotated without wobbling against the base 2.
  • a pressing portion 33 is formed on the lower surface of the lid 3 that is closer to the center than the hooking portion 34 so as to protrude downward.
  • the pressing portion 33 screws at least a part of the peripheral portion of the valve body 4 as the lid body 3 is screwed along the engaging groove 24a and moved downward. Can be pressed.
  • FIG. 5 (C) there are four cross-shaped connecting portions 35 provided at every 90 ° with respect to the center of the upper surface 31 of the lid 3 inside the pressing portion 33. Provided force The connecting portion 35 is not necessarily formed.
  • the form of the pressing portion 33 is not limited to that of this example.
  • the shape of the pressing portion 33 is 90 with respect to the center of the upper surface 31 of the lid 3 in the bottom view. It is assumed that four are provided for each angle, and a cross-shaped connecting portion 35 is provided in the bottom view so that the four pressing portions 33 are connected.
  • the peripheral edge portion of the valve body 4 is not completely pressed.
  • the inside of the compression bag B has a negative pressure
  • the valve body 4 is a soft material as described later. Since the power is also formed, the valve element 4 is sucked into the deaeration port 22 by this negative pressure.
  • the pressing portion 33 is positioned. That is, since the pressing portion 33 presses the valve body 4 just outside the region of the deaeration port 22, the valve body 4 can be reliably fixed in the closed state.
  • a cylindrical pressing portion 33 may be formed so as to cover the entire circumference around the valve body 4. Further, as shown in FIG. 8, a pressing portion 33 in a form (dumbbell shape) in which two of the center side through holes 32a sandwiching the center of the lid 3 are opened. In these cases, the lid 3 shown in FIG. 7 does not have the central through-hole 32a at all, and the lid 3 shown in FIG. 8 has the central through-hole 32a in the lid shown in FIG. Since the opening area is half of the central through hole 32a, the peripheral through hole 32b is provided continuously to ensure an opening at the time of deaeration.
  • the upper end surface 33al of the pressing portion 33 is located below the upper surface 31 of the lid 3, as shown in FIG. 9 and FIG. It is good also as what has the pressing ring 33a which is located. That is, as shown in FIG. 9, the center part of the lid 3 is in a depressed shape. Alternatively, it can be said that the position of the upper end surface is moved downward without changing the position of the lower end surface of the pressing portion 33 in the lid 3 shown in FIG. In this case, the pressing ring 33a presses at least a part of the peripheral edge of the valve body 4.
  • the center side through hole 32a of the lid side through hole 32 is provided in the pressing ring 33a.
  • the peripheral side through hole 32b is provided around the center side through hole 32a as in the above example, that is, outside the pressing ring 33a in plan view.
  • the central through hole 32a and the peripheral through hole 32b are A continuous space 32c is provided below the upper surface 31 of the lid 3 and continuous above the pressing ring 33a.
  • the continuous space 32c is formed in this way, as shown in FIG. 17 (C), during the deaeration, the airflow that has passed through the deaeration port 22 of the base 2 is transferred to the central through-hole 32a. Since it can be passed through the continuous space 32c in addition to the peripheral side through hole 32b, the ventilation area in the lid 3 can be expanded, and quicker deaeration is possible.
  • the pressing ring 33a has a shape capable of aligning the protruding portion 41 of the valve body 4.
  • the connecting portion 35 on the center side of the pressing ring 33a is formed in a ring shape as shown in the figure, and this portion serves as a valve body support portion 33b. The relationship between the valve body support portion 33b and the valve body 4 will be described later.
  • valve body 4 having the protrusion 41 described later is used.
  • a valve body support portion 33b having a hole through which the protruding portion 41 of the valve body 4 passes is provided at the lower end portion in the figure.
  • the airflow obstructing wall 37 is provided so that the lower surface force of the lid 3 also protrudes.
  • the ventilation blocking wall 37 is a portion of the lower surface of the lid portion 3 where the hooking portion 34 is not provided, and is provided at the same diameter as the hooking portion 34 at the same diameter as the hooking portion 34. A plate-like protrusion.
  • the height of the air blocking wall 37 when the lid 3 is screwed into the base 2 and the deaeration valve 1 is closed, the lower end of the air blocking wall 37 is attached to the mounting plate 23 of the base 2. Closing the deaeration valve 1 is not hindered by interfering with the upper surface of the bag (the deaeration valve 1 attached to the compression bag B is the surface of the bag sheet B1 mounted on the mounting plate 23). Then you can decide freely.
  • the lid side through-hole 32 center side through-hole 32a, peripheral side through-hole 32b
  • the pressing portion 33 are formed by the hooking portion 34 and the ventilation blocking wall 37 as shown in FIG.
  • the outer side in the radial direction is surrounded.
  • a gap is provided between the hook 34 and the air blocking wall 37 (see FIG. 10), but the hook 34 and the air blocking wall 37 are integrated so that there is no gap. It may be formed. Further, the air blocking wall 37 may be formed on the outer side in the radial direction than the hook portion 34.
  • This unfavorable air flow F2 becomes a factor that inhibits the deaeration from the deaeration port 22 that should be performed.
  • the air-flow-preventing wall 37 is formed so as to protrude downward from the lower surface of the lid 3 on the radially outer side of the side wall 24 in the base body 2, so that this undesirable air flow F2 is generated to some extent. Can be blocked. Therefore, the presence of the ventilation blocking wall 37 allows the degassing to be concentrated from the original degassing port 22, thereby enabling a quick degassing operation.
  • the diameter of the inner surface of the air flow blocking wall 37 is larger than the diameter of the outer surface of the side wall 24 of the base body 2, It is also desirable that the dimensions be close enough that the inner surface of the air blocking wall 37 and the outer surface of the side wall 24 of the substrate 2 do not interfere with each other.
  • the ventilation blocking wall 37 is provided so that at least a portion of the lid 3 where the lid body side through hole 32 is provided extends radially outward in a circumferential direction. It is desirable that
  • the air blocking wall 37 has a shape in which a gap is generated between the air blocking wall 37 and the mounting plate 23 when the lid 3 is loosened. Desirable to allow airflow F2 to pass through after degassing inside.
  • the air blocking wall 37 is provided so as to protrude downward from the lower surface of the lid 3. However, as described above, an unfavorable air flow is provided. On the other hand, as long as F2 can be shut off, the air blocking wall 37 may be provided so as to protrude upward from the mounting plate 23 of the base 2.
  • the shape of the outer periphery of the lid 3 can be variously changed and implemented. For example, as shown in FIG. 9 and FIG.
  • the valve body 4 is at least partially surrounded by the partition wall 21 of the base body 2 and the lid body 3 in the valve body housing chamber S. Coordinated to In the example shown in FIGS. 14 and 15, the entire valve body 4 is arranged in the valve body storage chamber S. Specifically, the valve body storage chamber S is defined by the side wall 24, the partition wall 21, and the lower end of the pressing portion 33 of the lid body 3.
  • the valve body 4 in this example is not fixed to the base body 2 or the lid body 3 or is made of an elastic body as described in Patent Document 1 (Japanese Utility Model Publication No. 5-44837). Arranged in the valve body storage chamber S in a free state that is not energized.
  • the valve body 4 can move in the valve body accommodation chamber S in the vertical direction. Further, even when the deaeration valve 1 is attached to the compression bag B, the portion protruding from the compression bag B due to the presence of an elastic body or the like can be reduced.
  • valve body 4 in a plan view, when the lid body 3 is loosened, various shapes such as a circle and a polygon can be used as long as the valve body accommodation chamber S can be moved up and down as described above. It can be implemented in the form of Further, it may be substantially the same as the dimension of the inner peripheral surface of the side wall 24 in the base body 2 and may not be moved substantially in the horizontal direction, or in the valve body storage chamber S in the horizontal direction. It is good also as a movable form. However, even if the valve body 4 is displaced in the horizontal direction, it is possible to cover the entire deaeration port 22 and there is no problem in closing the deaeration port 22.
  • the form of the valve body 4 in the example shown in FIG. 14 is an oval shape. The dimensions are 24mm for the major axis and 20mm for the minor axis.
  • the vertical dimension of the valve body storage chamber S is at least the minimum dimension passing through the center of the valve body 4 among the horizontal dimensions of the valve body 4 (in this example, the short diameter dimension of an oval) Even if the valve body 4 has a flat plate shape as in this example, the valve body 4 that does not turn over in the valve body housing chamber S operates reliably. It is supposed to be.
  • the vertical dimension of the valve body storage chamber S is set to 6 mm or less, which is larger than the thickness of the valve body 4, so that the vacuum cleaner can be used even when suctioned by a vacuum cleaner. The motor is not overloaded and safety is high.
  • the valve body 4 is made of a soft grease such as rubber, and the suction port N of the vacuum cleaner is brought into contact with the corresponding portion 31a of the lid body 3 to suck the lid body 3 by suction. It is drawn to the side and can be separated from the vent hole 22.
  • a rubber sheet having a thickness of 0.6 mm is used for the valve body 4 in the example shown in FIG. 14.
  • the valve body 4 is in the free state and the valve body storage chamber S Since it is arranged inside and can move freely in the valve body storage chamber S, the valve body 4 does not move with respect to the suction as described above. It is possible.
  • the suction bag 22 is quickly brought into close contact with the pressure difference between the negative pressure inside the compression bag B and the positive pressure outside. Therefore, even when the lid 3 is not fastened to the base 2 as shown in FIG. 15 (B), the deaerated state in the compression bag B is maintained. Further, when the lid 3 is tightened, as shown in FIG. 14 (B), the valve body 4 is pressed downward by the pressing portion 33 of the lid 3, so that the deaeration port 22 is sealed. It can be maintained and fixed in a state.
  • the base 2 may have a guide portion 28 formed along at least a part of the inner peripheral surface of the side wall 24.
  • the guide portion 28 is raised upward from the partition wall 21, and its inner peripheral surface regulates the horizontal movement of the valve body 4. That is, in this case, the valve body storage chamber S is defined by the guide portion 28 in addition to the lower end of the side wall 24, the partition wall 21, and the pressing portion 33.
  • Two guide portions 28 shown in FIGS. 4A and 4B are provided every 180 ° with respect to the center of the mounting plate 23 in plan view. Then, an inter-force between the guide portions 28 becomes a gap portion 29 which is a space along the inner peripheral surface of the side wall 24.
  • a gap portion 29 which is a space along the inner peripheral surface of the side wall 24.
  • FIG. 15B when the valve body 4 is separated from the deaeration port 22, the airflow that has passed through the deaeration port 22 is formed in the portion where the gap 29 is provided. The flow can reach the peripheral side through-hole 32b of the lid-side through-hole 32 of the lid 3 and the degassing can be performed more smoothly than the case without the clearance 29.
  • the upper surface of the guide portion 28 shown in FIGS. 4 (A) and 4 (B) may be a plane inclined by a force that is a horizontal plane. Furthermore, a member that contacts the upper surface of the guide portion 28 may be provided on the lid 3 side. Further, the click protrusion 24b may be provided on the upper surface or the inner surface of the guide portion 28. Further, the present invention can be implemented in various forms as long as three or more guide portions 28 are provided and the number of the gap portions 29 is increased correspondingly.
  • valve body 4 described above has a flat plate-like force. As shown in FIG. 11, it is assumed that the valve body 4 has a protruding portion 41 protruding above the main body portion 42 having a flat plate shape. You can also As described above, the projecting portion 41 is arranged so as to be movable up and down on the valve body supporting portion 33b provided on the pressing ring 33a of the lid 3. If the valve body 4 has such a shape, The main body 42 is arranged in the valve body storage chamber S in a free state.
  • the protrusion 41 is provided at the center of the main body 42 in the valve body 4, and is an intermediate portion of the protrusion 41.
  • 41a has a circular cross section, and the diameter of the cross section is slightly smaller than the inner diameter of the valve body support portion 33b that is also formed in a circular shape.
  • the vertical dimension of the intermediate part 41a is formed larger than the vertical dimension of the valve body support part 33b.
  • tip part 41b of the protrusion part 41 is formed larger than the internal diameter of the valve body support part 33b. Therefore, the valve body 4 attached to the valve body support portion 33b can move up and down within the range of the vertical dimension of the intermediate portion 41a that does not fall off.
  • valve body 4 When the valve body 4 is arranged in a part of the lid 3 in this way, the valve body 4 can be hardly displaced in the left-right direction, and the valve body 4 (particularly the main body 42) Can be operated stably.
  • the tip portion 41b having an enlarged diameter is not provided, and a constant diameter is provided. It is good also as the protrusion part 41 which has. Even in this case, the vertical movement of the valve body 4 (particularly the main body portion 42) is defined by the upper and lower dimensions of the valve body storage chamber S, that is, the distance between the partition wall 21 and the lower end of the pressing portion 33. .
  • valve body 4 in the form provided with the protrusion 41 is combined with the lid 3 provided with the valve body support portion 33b formed in a ring shape as shown in Figs.
  • the lid body 3 provided with the valve body support portion 33b may be combined with the flat valve body 4 without the protrusion 41.
  • the deaeration valve 1 As shown in Fig. 1, the deaeration valve 1 according to the above configuration has a flexible resin-made bag sheet B1 force. It is used by being attached to a compression bag B in which a sealable space is formed.
  • the compression bag B is provided with an opening B2 for taking in and out the stored items, and the opening B2 is provided with a chuck B3 that can be closed in an airtight state.
  • the lid 3 is screwed into the base 2 and the valve body 4 is forced against the deaeration port 22 by the pressing portion 33 of the lid 3 as shown in FIG. Press down. Thereby, the deaerated state can be maintained for a long period of time.
  • a display showing the open / closed state of the deaeration valve 1 may be provided on the surface of the compression bag B by printing or the like.
  • an opening degree instruction unit 39 such as an arrow is provided on the upper surface 31 of the lid 3 in the deaeration valve 1, and matches the position of the opening degree instruction unit 39 in the opened state of the deaeration valve 1.
  • the opening position display part B4 is provided on the surface of the bag sheet B1 to be closed, and the closing position display part B5 is also provided on the surface of the bag sheet B1 that coincides with the position of the opening degree instruction part 39 in the closed state. .
  • the opening degree instruction unit 39 is not limited to the upper surface 31 of the lid 3 as in the illustrated example, but is on the surface of the lid 3 so long as the user of the compressed bag B is easily visible. It may be provided at other positions such as a side surface.
  • the opening degree instruction unit 39 may be formed at the same time as the lid 3 is molded, or may be formed separately by sticking a seal or painting. Can be implemented.
  • the open position display section B4 and the closed position display section B5 can be implemented by various means such as sticking a seal.
  • the user of the compression bag B can check the open / close state of the deaeration valve 1 at a glance. Easier to use V, compression bag B.
  • the valve body storage chamber S is defined by the side wall 24, the partition wall 21, and the lower end of the pressing portion 33 of the lid body 3, and the valve body 4 is the base body 2 or Since at least a portion is arranged in the valve body storage chamber S in a free state that is not urged by an elastic body that is not fixed to the lid 3, a compression bag is formed due to the presence of an elastic body or the like.
  • We were able to provide a degassing valve for a compression bag that could reduce the amount of protruding parts and that could be quickly degassed without causing a time difference in the operation of the valve body 4 with respect to the vacuum cleaner suction. Is.
  • the invention according to claim 2 provides the valve body storage chamber S in the vertical direction. Deaeration for a compression bag that operates reliably without flipping over the valve body 4 because the dimension is at least smaller than the minimum dimension passing through the center of the valve body 4 among the horizontal dimensions of the valve body 4 We were able to provide a valve.
  • the invention of claim 3 is based on the effect of the invention of claim 1 or 2 above, and only the base 2, the lid 3 and the valve body 4 are configured with force. It was possible to provide a deaeration valve for compression bags with a simple configuration.
  • the invention according to claim 4 is based on the effect of the invention of claim 1 or 2 above, and is provided with the air blocking wall 37, so that the peripheral force of the lid 3 enters, and the side wall Undesirable airflow F2 that crosses 24 and reaches the lid side through-hole 32 can be blocked to some extent. Therefore, the presence of this air-blocking wall 37 allows the deaeration to be concentrated from the original deaeration port 22 and enables a quick deaeration operation.
  • the air blocking wall 37 is provided so as to protrude downward from the lower surface force of the lid body 3, and is provided from the lower surface of the lid body 3.
  • the height is set so as not to hinder the closing of the deaeration valve 1 by screwing the lid 3 against the base body 2, and at least the portion provided with the lid-side through-hole 32 in the lid 3 has a diameter.
  • This air blocking wall 3 7 does not hinder the original function of the deaeration valve, and the unfavorable air flow F2 is more effective because it is provided so as to cross the region extended outward in the circumferential direction. It was possible to shut off.
  • the invention of claim 6 is based on the effect of the invention of claim 1 or 2, and includes a pressing ring 33a having an upper end surface 33al positioned below the upper surface 31 of the lid 3.
  • the central side through hole 32a and the peripheral side through hole 32b are below the upper surface 31 of the lid 3 and have a continuous space 32c continuous above the pressing ring 33a.
  • the air flow can be passed through the continuous space 32c. It was possible to provide a degassing valve for a compression bag.
  • the invention of claim 7 is arranged such that the protruding portion 41 of the valve body 4 is movable up and down to the valve body support portion 33b of the lid body 3. As a result, the valve body 4 can be hardly displaced in the left-right direction, and the valve body 4 can be stably operated.
  • a deaeration valve for a compression bag could be provided.
  • the invention according to claim 8 can provide a compression bag having the effects of any one of the inventions according to claims 1 to 7.
  • the deaeration valve 1 is provided with an opening instruction part 39, and the bag sheet B1 is provided with an open position display part B4 and a closing position.
  • the position indicator B5 By providing the position indicator B5, the user of the compression bag B can check the open / close state of the deaeration valve 1 at a glance, and the compression bag B that is easier to use can be provided. It is.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Packages (AREA)

Abstract

L'invention concerne une soupape d'évacuation d'air pour un sac de compression, comprenant une base (2), un couvercle (3) ainsi qu'un élément de soupape (4). Un port d'évacuation d'air (22) permettant à l'intérieur du sac de compression de communiquer avec l'extérieur de ce sac est formé dans la base (2). Des trous traversants du côté du couvercle (32) mènent à l'intérieur du couvercle (3) et sont formés dans la surface supérieure de ce couvercle (3). L'élément de soupape (4) est aspiré en direction du port d'évacuation d'air (22) par une pression négative à l'intérieur du sac de compression afin de fermer le port d'évacuation d'air (22). Une partie de pression (33) en saillie afin de comprimer l'élément de soupape (4) est formée sur la surface inférieure du couvercle (3). Une chambre de stockage d'élément de soupape (S) est définie par la paroi latérale (24) et la paroi de séparation (21) de la base (2) et l'extrémité inférieure de la partie de pression (33) du couvercle (3). Au moins une partie de l'élément de soupape (4) est placé dans la chambre de stockage d'élément de soupape (S) dans un état libre pour ne pas être fixé à la base (2) ou au couvercle (3) et pour ne pas recevoir de sollicitation d'un corps élastique, afin que cet élément de soupape puisse être déplacé verticalement dans la chambre de stockage d'élément de soupape (S).
PCT/JP2006/316596 2005-09-28 2006-08-24 Soupape d'evacuation d'air pour sac de compression et sac de compression avec soupape d'evacuation d'air WO2007037081A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007537551A JP4859838B2 (ja) 2005-09-28 2006-08-24 圧縮袋用の脱気弁及び脱気弁を備えた圧縮袋
EP20060783000 EP1942062A1 (fr) 2005-09-28 2006-08-24 Soupape d'evacuation d'air pour sac de compression et sac de compression avec soupape d'evacuation d'air

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPPCT/JP2005/017804 2005-09-28
PCT/JP2005/017804 WO2007036992A1 (fr) 2005-09-28 2005-09-28 Soupape d'evacuation d'air pour sac de compression et sac de compression avec soupape d'evacuation d'air
US11/443,209 US7475864B2 (en) 2005-09-28 2006-05-31 Deflation valve for compression bag and compression bag equipped with the deflation valve
US11/443,209 2006-05-31

Publications (1)

Publication Number Publication Date
WO2007037081A1 true WO2007037081A1 (fr) 2007-04-05

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Application Number Title Priority Date Filing Date
PCT/JP2006/316596 WO2007037081A1 (fr) 2005-09-28 2006-08-24 Soupape d'evacuation d'air pour sac de compression et sac de compression avec soupape d'evacuation d'air

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Country Link
WO (1) WO2007037081A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8074685B2 (en) 2008-04-14 2011-12-13 Illinois Tool Works, Inc. One-way valve with flapper for vacuum bag

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544837U (ja) * 1991-05-29 1993-06-15 輝幸 金城 布団等収納袋用脱気弁
JP2004244108A (ja) * 2003-01-24 2004-09-02 Kyokuyo Pulp & Paper Co Ltd 圧縮袋の脱気構造
JP2004338784A (ja) * 2003-05-19 2004-12-02 Taiyo Kagaku Kk 収納袋の排気弁

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544837U (ja) * 1991-05-29 1993-06-15 輝幸 金城 布団等収納袋用脱気弁
JP2004244108A (ja) * 2003-01-24 2004-09-02 Kyokuyo Pulp & Paper Co Ltd 圧縮袋の脱気構造
JP2004338784A (ja) * 2003-05-19 2004-12-02 Taiyo Kagaku Kk 収納袋の排気弁

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8074685B2 (en) 2008-04-14 2011-12-13 Illinois Tool Works, Inc. One-way valve with flapper for vacuum bag

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