JP2006036306A - Assisting utensil for valve opening/closing for plug having pull ring opening/closing valve - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the necessity for gripping a pull ring by fingers in a pulling-up motion of the pull ring in an opening/closing motion of a discharging mouth section of a plug having a pull ring opening/closing valve, and to enable the opening/closing motion to be stably performed by an equalized opening amount by a comparatively small force of fingers by utilizing a lever for the pulling-up motion of the pull ring in the opening/closing motion of the discharging mouth section of the plug. <P>SOLUTION: This assisting utensil for valve opening/closing comprises a recessed valve plate 3, the pull ring 5, and the lever for pulling up the pull ring. The recessed valve plate 3 closes an opening section connected with the distal end opening section of a second plug cylindrical section 2 which is fitted on the distal end opening section of a first plug cylindrical section 1 communicating with the inside of a container. The pull ring 5 is provided on the recessed external surface of the recessed valve plate 3. This plug having the pull ring opening/closing valve equipped with the lever for pulling up the pull ring, and a discharging mouth section 6 which is provided on the outer periphery of the second plug cylindrical section 2 is equipped with an operating arm section 24 and an action arm section 25 for pulling up the pull ring which are respectively pivotally supported at the front end section of a saddle section 21 being astride the outer periphery half peripheral section of the cylindrical section 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a flexible packaging bag container used in various packaging forms including a bag-in-box packaging form in which a soft packaging bag (bag) in which liquid contents are hermetically filled and packed is loaded in a cardboard box for packaging. The present invention relates to a valve opening / closing auxiliary tool for a plug with a pull ring opening / closing valve for opening and closing the opening / closing valve by pulling up the pull ring in the opening plug with a pull ring opening / closing valve attached as an outlet plug.

  Conventionally, a plug with a pull ring on-off valve attached as a spout for a soft packaging bag container is a bag in which a soft packaging bag (bag) in which a liquid content is hermetically filled and packed is loaded in a cardboard box and packaged. It is used as a spout stopper for a soft packaging bag (bag) in a packaging form such as an in-box.

  For example, as shown in the side view of FIG. 4 (a) and the top view of FIG. 4 (b), a generally used plug A with a pull-ring on / off valve is located inside a container such as a flexible packaging bag. A first plug cylindrical portion 1 that is attached so as to communicate with each other, and a second plug cylindrical portion 2 that fits into a distal end opening of the plug cylindrical portion 1, the first and second The plug cylindrical portions 1 and 2 are closely connected by concavity and convexity at the fitting portions 1a and 2a provided respectively.

  As shown in FIG. 4 (a), an elastic recessed valve plate 3 for closing the opening is connected to the distal end opening of the second plug cylindrical portion 2, and the recessed shape A pull ring 5 is horizontally provided at the tip of the support column 4 that is integrally provided upright on the concave outer surface of the valve plate 3.

  A part of the outer periphery of the second plug cylindrical part 2 is provided with a spout part 6 having a spout flow path 7 communicating with the inside of the cylinder of the cylindrical part 2, and the first port The stopper cylindrical part 1 has a convex inner surface of the recessed valve plate 3 that is elastically in close contact with the inner periphery of the tip (upper end) of the first stopper cylindrical part 1 so that the inside of the container such as a flexible packaging bag can be prevented. The communication state with respect to the first plug cylindrical portion 1 (so-called container communicating with the first plug cylindrical portion 1) attached so as to communicate with each other can be closed, and the dispensing of the contents from the container can be stopped. It is like that.

  Then, as shown in the side sectional view of FIG. 5, the pull ring 5 is picked up with a finger and is lifted upward in the direction of the arrow so that the convex inner surface of the concave valve plate 3 is moved to the first mouth. By releasing the close contact with the inner peripheral edge of the distal end (upper end) of the stopper cylindrical portion 1, a flexible packaging bag made of a plastic film or a plastic composite film, or a container B such as various plastic or glass containers ( Communicating state with respect to the first plug cylindrical part 1 (so-called container communicating with the first plug cylindrical part 1) attached so as to communicate with the inside of the container outer wall part 31 and the plug attachment hole part 32) The contents can be poured out from the container by opening.

  Thus, the opening and closing of the spout part 6 of the plug A with the pull ring opening / closing valve needs to be manually lifted by picking the pull ring 5 with a finger. Since the operation requires a finger picking force, there are individual differences in the opening amount of the recessed valve plate 3, and it has been difficult to expand the opening amount in the opening / closing operation.

The present invention eliminates the need for picking up the pull ring in the opening / closing operation of the spout portion of the spout with a pull ring opening / closing valve, and pulling up the pull ring in the opening / closing operation of the spout portion of the plug. By performing the operation by using a lever, it is possible to perform an opening / closing operation with a relatively averaged opening amount by a relatively light finger force.

  The invention according to claim 1 of the present invention includes a first plug cylindrical portion 1 that is attached so as to communicate with the inside of a container, and a second port that fits into a distal end opening of the plug cylindrical portion 1. The stopper cylindrical portion 2, an elastic concave valve plate 3 that closes the opening portion connected to the tip opening portion of the second plug cylindrical portion 2, and the concave outer surface of the concave valve plate 3 are integrated. A pull ring 5 provided horizontally at the tip of the column part 4 standing upright and a spout part 6 provided on the outer periphery of the second plug cylindrical part 2, the first plug cylindrical part 1 Is closed when the convex inner surface of the concave valve plate 3 is elastically in close contact with the inner peripheral edge of the first plug cylindrical portion 1, and the concave valve plate is pulled up by pulling up the pull ring 5. The convex inner surface of 3 is released from close contact with the inner peripheral edge of the tip of the first plug cylindrical portion 1 so that the state of communication with the inside of the container is established. In a valve opening / closing auxiliary tool for a plug with a pull ring on / off valve that pulls up the pull ring 5 in the plug with a pull ring on / off valve that is released, it can be attached to and removed from the outer circumferential half of the second plug cylindrical portion 2 And the outer side and the inner side of the flange 21 pivotally supported via the support shaft 23 supported by the bearing portion 22 provided at the front end of the flange 21. A valve opening / closing auxiliary tool for a plug with a pull ring opening / closing valve, comprising a pull ring pulling lever made up of an integral operating arm portion 24 and an action arm portion 25 for pull ring pulling.

  According to a second aspect of the present invention, in the valve opening / closing auxiliary tool of the spigot with a pull ring on / off valve according to the first aspect, each of the operating arm portions that are integral with each other toward the outer side and the inner side of the flange portion 21. 24 and pulling action pulling action arm 25, the actuating arm 24 is bent at a predetermined angle in the range of 90 ° to 120 ° with respect to the action arm 25 at the support shaft 23 portion. The pulling ring is characterized in that the operating arm 24 is directed in the outward direction of the front or obliquely upper front of the flange 21 while the operating arm 25 is directed inward of the vertically lower side of the flange 21. This is an auxiliary tool for opening and closing a valve stopper with an opening and closing valve.

  As shown in FIG. 1, the auxiliary tool for opening and closing a plug with a pull ring on / off valve according to the present invention can be attached to and removed from the outer peripheral half of the second plug cylindrical portion 2 of the plug A with a pull ring on / off valve. As shown in FIG. 2, the flange 21 of the auxiliary valve opening / closing tool according to the present invention is provided with the pulling-up pulling lever by the operating arm 24 and the pulling-ring pulling action arm 25 on the straddling hook 21. , And the distal end of the action arm 25 in the ring of the pull ring 5 as shown in the side view of FIG. And pulling the pull ring 5 on the tip of the working arm 25, and then, as shown in the partial side sectional view of FIG. Rotating downward as a fulcrum, working arm 2 Due to the lever principle, the pulling ring 5 is moved in the direction of the arrow obliquely upward (for example, obliquely upward 45 ° or more) against the elastic restoring force of the concave valve plate 3 to the concave shape. It can be raised only with the power of.

  Due to the pulling-up operation of the pull ring 5 based on the principle of the lever, the convex shape of the concave valve plate 3 that is always in close contact with the inner peripheral edge of the first plug cylindrical portion 1 to close the communication state with the inside of the container. The inner surface is released from close contact with the inner periphery of the distal end of the first plug cylindrical portion 1, and the communication state with respect to the inside of the first plug cylindrical portion 1 (so-called inside of the container) can be released. By separating from the operating arm portion 24, the recessed valve plate 3 returns to the original recessed state by an elastic restoring force to the recessed shape, and is elastically close to the inner peripheral edge of the first plug cylindrical portion 1 tip. And the communication state with respect to the inside of the first plug cylindrical portion 1 (so-called inside of the container) can be closed.

  Embodiments of the valve opening / closing auxiliary tool of the plug with pull ring opening / closing valve of the present invention will be described in detail below.

  FIG. 1 is an overall perspective view of a valve opening / closing auxiliary tool according to the present invention, and includes a flange 21, a bearing 22 provided at the front end of the flange 21, and a support shaft 23 supported by the bearing 22. And a pull-ring pulling-up lever by means of an integral operating arm portion 24 and an action arm portion 25 for pull-ring pulling that extend in the outer and inner directions of the flange portion 21 that is pivotally supported.

  In the valve opening / closing assisting device of the present invention, the operation arm portion 24 extending outwardly supported by the front end portion of the flange portion 21 and the action arm portion 25 for pulling up the pull ring toward the inner direction are provided with the support shaft portion 23. And a lever structure having the support shaft portion 23 as a fulcrum.

  The operating arm unit 24 and the operating arm unit 25 may be linearly formed with the support shaft unit 23 interposed therebetween, but as shown in the side view of FIG. 1 or FIG. 24 is provided at a portion of the support shaft 23 with respect to the action arm portion 25 at a predetermined angle in the range of 90 ° to 120 °, for example. In contrast to the outward direction, the working arm 25 may have a shape that extends in the vertically downward direction of the flange 21.

  The relationship between the length a from the support shaft 23 of the operating arm 24 and the length b from the support 23 of the working arm 25 is not particularly limited, but is necessary for the rotation of the operating arm 24. At least a = b or a> b is appropriate so that the finger force is reduced by the lever principle.

  As shown in the side view of FIG. 2, the valve opening / closing auxiliary tool of the present invention has a collar portion 21 such as a soft packaging bag made of plastic film or plastic composite film, or various containers made of plastic or glass. The second plug cylindrical portion 2 of the general plug A with a pull ring on / off valve attached to communicate with the inside of the container B (see FIG. 5, the container outer wall portion 31, the plug attachment hole portion 32). By straddling the outer peripheral half-peripheral portion, it can be attached to the plug A, and is attached to the outer peripheral portion of the second plug cylindrical portion 2 so as to be detachable.

  When the valve opening / closing auxiliary tool according to the present invention is installed straddling the stopper A with a pull ring opening / closing valve attached to the container B (see FIG. 5), as shown in FIG. It attaches so that the part 25 may become the position which adjoins and opposes the pull ring 5 of this stopper A.

  The method for using the valve opening / closing auxiliary tool of the present invention will be described below. First, as shown in the side view of FIG. 3 (a), the distal end portion of the working arm portion 25 is inserted into the ring of the pull ring 5. The pull ring 5 is hooked on the distal end portion of the action arm portion 25.

Subsequently, as shown in the partial side sectional view of FIG. 3B, the operating arm portion 24 is rotated downward with a finger as a fulcrum 23 by a finger, and the operating arm portion 25 is moved to the operating arm portion 25 by the lever principle. Thus, against the elastic restoring force of the concave valve plate 3 to the concave shape, the pull ring 5 into which the distal end portion of the working arm portion 25 is inserted has an arrow extending diagonally upward (for example, diagonally upward 45 ° or more). Pull up in the direction. It should be noted that the force applied to the operating arm portion 24 during the rotation depends on the relationship between the length a of the operating arm portion 24 from the support shaft portion 23 and the length b of the operating arm portion 25 from the support shaft portion 23. , A = b or a> b, the pulling ring 5 is pulled up by rotating with a relatively light finger force against the elastic restoring force of the concave valve plate 3 to the concave shape. be able to.

  By pulling up the pull ring 5 by the actuating arm portion 24 and the action arm portion 25 according to the principle of lever, the convex inner surface of the concave valve plate 3 is always kept as shown in FIG. 2 and FIG. As shown in FIG. 3 (b), the first plug cylinder portion is closed from the state in which the first plug cylinder portion 1 is elastically in close contact with the inner peripheral edge of the tip and closes the state of communication with the inside of the container B. 1 The close contact with the inner peripheral edge of the distal end is released, and the flow path 7 of the spout portion 6 of the second plug cylindrical portion 2 is opened to the inside of the first plug cylindrical portion 1 (so-called container interior). Thus, the content liquid L can be poured out from the flow path 7 of the spout port 6 through the first plug cylindrical portion 1 and the second plug cylindrical portion 2 from the container.

  Further, by separating the finger from the operating arm portion 24, as shown in FIG. 3A, the recessed valve plate 3 returns to the original recessed state by the elastic restoring force to the recessed shape, The convex inner surface of the recessed valve plate 3 is elastically in close contact with the inner peripheral edge of the tip of the first plug cylindrical portion 1, and the flow path 7 of the spout portion 6 of the second plug cylindrical portion 2. The closed state is the communication state with respect to the inside of the first stopper cylindrical portion 1 (so-called inside of the container), the upper end portion of the first stopper cylindrical portion 1 is closed, and the content liquid L from the inside of the container is The second plug cylindrical portion 2 does not flow and cannot be poured out from the flow path 7 of the spout portion 6.

The whole perspective view explaining an example of the auxiliary tool for valve opening and closing of the spigot with a pull ring on-off valve of the present invention. The whole side view explaining an example of the state which attached the auxiliary tool for valve opening / closing of the stopper with a pull ring on-off valve of this invention to the general stopper with a pull ring on-off valve. (A) is a whole side view explaining the opening and closing method of the plug with a pull ring on / off valve (closed state) by the valve opening / closing auxiliary tool of the mouth plug with the pull ring on / off valve of the present invention, and (b) is the pull ring on / off valve of the present invention. The fragmentary sectional side view explaining the opening-and-closing method of the mouth plug with a pull ring on-off valve (open state) by the auxiliary tool for valve opening and closing of a mouth plug. (A) is the whole side view explaining the spigot with a general pull ring on-off valve, (b) is the top view. The fragmentary sectional side view explaining the opening / closing method of the general stopper with a pull ring on-off valve attached to the container.

Explanation of symbols

A ... Mouth plug with pull ring opening / closing valve B ... Container 1 ... First plug cylindrical portion 2 ... Second plug cylindrical portion 3 ... Recessed valve plate 4 ... Column 5 ... Pull ring 6 ... Spout portion 7 ... Contents liquid The dispensing flow path 8 of the container 11, the flanges 11, 12, 13 for attaching the tube, the fin 21 for reinforcing the cylinder, the flange 22, the bearing part 23, the supporting shaft part 24, the operating arm part 25, the working arm part 31, the outer wall part 32 ... Hook mounting hole

Claims (2)

  A first plug cylindrical portion 1 attached so as to communicate with the inside of the container; a second plug cylindrical portion 2 fitted into a distal end opening of the plug cylindrical portion 1; and the second port A resilient concave valve plate 3 that closes the opening provided continuously to the distal end opening of the stopper cylindrical portion 2, and a distal end of a column portion 4 that stands integrally on the concave outer surface of the concave valve plate 3. The pull ring 5 provided horizontally, and the spout part 6 provided in the outer periphery of this 2nd stopper cylindrical part 2 are provided, The said 1st stopper cylindrical part 1 is the convex inner surface of the concave valve plate 3 Elastically close to the inner peripheral edge of the first stopper cylindrical portion 1 to close the communication state with respect to the inside of the container, and the pulling ring 5 is pulled up so that the convex inner surface of the concave valve plate 3 is the first mouth. Opening the pull ring that opens the communication with the inside of the container by releasing the close contact with the inner peripheral edge of the stopper cylindrical portion 1 In a valve opening / closing assisting tool for a plug with a pull ring opening / closing valve that performs the pulling-up operation of the pull ring 5 in the valve plug, a flange 21 that is detachably mounted on the outer peripheral half periphery of the second plug cylindrical portion 2. And each of the operating arm portions that are integral with each other toward the outer side and the inner side of the flange 21 that is pivotally supported via a support shaft 23 supported by a bearing portion 22 provided at the front end of the flange 21. 24. A valve opening / closing auxiliary tool for a plug with a pull ring opening / closing valve, comprising a pull ring lifting lever by means of a pulling action lever 24 and a pull ring lifting action arm 25.   In the pull-ring pulling-up lever by the respective operating arm portions 24 and pull-ring pulling action arm portions 25 that are respectively directed toward the outer side and the inner side direction of the collar portion 21, the operating arm portion 24 is in relation to the action arm portion 25. The supporting shaft 23 is bent at a predetermined angle in the range of 90 ° to 120 °, and the operating arm portion 24 is directed to the front side of the flange portion 21 or outwardly diagonally upward, while the working arm is 25. A valve opening / closing auxiliary tool for a plug with a pull-ring opening / closing valve according to claim 1, wherein 25 is directed inwardly in a vertically downward direction of the flange portion 21.

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