JP6004646B2 - Container with spray nozzle - Google Patents

Description

  The present invention relates to a container provided with a spray nozzle suitable for spraying a liquid content in a mist form.

  From the viewpoint of reducing discomfort caused by direct irritation, eye cleansing agents and nasal sprays are usually sprayed in the form of a mist of liquid contents filled in a container. Conventionally, a container equipped with a nozzle as disclosed in Patent Document 1 has been used, in which a pump incorporated in a nozzle body part is driven to spray the contents in the container by suction, pressurization, and compression. Yes.

JP 2011-11124 A

  By the way, this type of conventional spray nozzle has a single-point fixed structure in which the suction pipe for sucking the contents is fixed at the suction port of the pump. For example, only the spray nozzle is packed and transported alone. In some cases, the suction pipe bends due to collisions between products.

  If the suction pipe is bent, it will be difficult to smoothly attach it to the container, and it will be necessary to add an extra process to correct the shape, which will inevitably cause a reduction in assembly efficiency. It was.

  In addition, the bending of the suction pipe means that the tip of the suction pipe does not reach the bottom of the container, and there is a concern that the amount of contents remaining in the container will increase.

  An object of the present invention is to eliminate the above-described problems that have conventionally occurred in containers equipped with spray nozzles.

The present invention is a container body for filling the contents, and the container body fixed to the neck portion of the container body, and the contents filled in the container body are sucked into the cylinder through the suction port by driving the pump and sucked. A container having a spray nozzle that pressurizes, compresses and mists the contents to be ejected toward the outside, and the container body directly holds the contents and reduces the filling amount of the contents The inner layer body is made of an inner / outer double structure composed of an inner layer body that can be reduced in size and an outer layer body that accommodates the inner layer body, and the inner layer body is provided at least at one position of the wall portion of the outer layer body. and has a outside air introduction portion for introducing the outside air therebetween the outer layer member, the suction port has a plurality of ribs projecting radially in the radial direction of the inner body, towards the bottom of the inner layer member Connecting the rod-like members that extend, Introducing portion includes the distal end of the tubular member, between the inner member and the outer layer body is characterized by having a narrow adhesive layer width to the bottom of the mouth and neck of the container body through the body portion It is a container with a spray nozzle.

In the spray nozzle-equipped container having the above-described configuration, the rib is provided over the entire area of the rod-shaped member. Further, as the spray nozzle, a tapered nozzle body portion having a tapered shape having a nozzle hole at the top of the tip is provided. It is particularly desirable to apply what is provided as a specific means for solving the problems of the present invention.

  According to the container with a spray nozzle of the present invention having the above-described configuration, a highly rigid rod-shaped member provided with a plurality of ribs protruding radially toward the radial direction of the inner layer body is disposed at the suction port of the pump. A bend like that generated in the suction pipe does not occur, and the spray nozzle can be efficiently set on the mouth and neck of the container.

  Further, according to the container with a spray nozzle according to the present invention, the container body for filling the contents is constituted by a double structure inside and outside, and the inside of the container body is reduced as the filling amount of the contents is reduced. Because the inner layer body that enables (the inner layer body is peeled off and crushed from the outer layer body) is applied, even if the container is in a horizontal position (nursing etc.) or an inverted position, almost all of the contents are not leaked. Can be used up.

  In addition, according to the container with a spray nozzle of the present invention, since outside air does not enter the filling space of the contents, it is possible to reliably block germs, bacteria, floating dust, etc. contained in the outside air. Therefore, the contents can be kept hygienic for a long time without using a chemical such as a preservative (quality can be stabilized).

It is the figure which showed typically embodiment of the container with a spray nozzle according to this invention. It is the figure which showed the structure of the container with a spray nozzle of conventional structure. It is the figure which showed typically other embodiment of the container with a spray nozzle according to this invention.

Hereinafter, the present invention will be described more specifically with reference to the drawings.
FIG. 1 is a diagram schematically showing a side surface of a synthetic resin container according to the present invention provided with a spray nozzle.

  Reference numeral 1 in the figure is a container body filled with contents. The container body 1 can be molded by using a synthetic resin as a raw material by blow molding, has a filling space K for directly holding the contents, and is itself as the filling amount of the contents decreases. It consists of an inner / outer double structure composed of an inner layer body 1a that enables reduction (the inner layer body is peeled off from the outer layer body and crushed) and a rigid outer layer body 1b that houses the inner layer body 1a inside. Yes.

  The mouth and neck portion 1a 'of the inner layer body 1a is integrally connected to the mouth and neck portion 1b' of the outer layer body 1b, and the body portion of the inner layer body 1a and the inner wall of the outer layer body 1b are at least one place around it. In FIG. 2, the inner layer body 1a and the outer layer body 1b are positioned so that they cannot be peeled off. Note that the joint may not be provided.

  Reference numeral 2 denotes a nozzle body portion constituting the spray nozzle. The nozzle body 2 is composed of a tapered member that tapers toward the tip, and a through path 2a extending along the axis O is provided in the inside thereof. In addition, a nozzle hole 2b is formed at the top of the tip of the nozzle body portion 2 so as to be connected to the through path 2a and eject the contents filled in the container body 1 to the outside.

  Reference numeral 3 denotes an element incorporated in the through path 2 a of the nozzle body portion 2. The element 3 includes a cylindrical body 3a and a top wall 3b that closes the tip of the cylindrical body 3a and forms a content feeding path m inside the cylindrical body 3a.

  Further, 4 is a lateral opening provided in the cylindrical body 3a to form a passage communicating inside and outside of the cylindrical body 3a, and 5 is a vertical groove (recessed) provided on the outer peripheral wall of the cylindrical body 3a facing the opening 4 ). The vertical groove 5 is formed along the axis O of the nozzle main body portion 2, and when the element 3 is fitted in the through path 2 a of the nozzle main body portion 2, the vertical groove 5 is connected to the nozzle hole 2 b therebetween. A minute gap 5a is formed.

  Reference numeral 6 denotes a pressing operation flange provided on the lower part of the outer wall of the nozzle body portion 2, and 7 denotes a screw that is detachably attached to the mouth portion 1a of the container body 1 while holding the nozzle body portion 2 in an upright posture. It is a base cap that can be stopped (may be fitted).

  The base cap 7 is composed of a top wall 7a having a through-opening at the center and an annular peripheral wall 7b that is integrally connected to the edge of the top wall 7a and surrounds the mouth neck 1a of the container body 1. 7 a includes an inner standing annular peripheral wall 7 c that enters the downward annular opening groove provided in the nozzle body portion 2 and guides the nozzle body portion 2, and surrounds the inner standing annular circumferential wall 7 c. An outer standing annular peripheral wall 7d for guiding the annular body 6a is formed adjacent to the outer wall of the annular body 6a provided.

  A pump 8 for sucking, pressurizing and compressing the contents in the container main body 1 is assembled on the back surface of the base cap 7. The hollow stem 8 a of the pump 8 passes through the through opening formed in the top wall 7 a of the base cap 7, fits into the through path 2 a of the nozzle body portion 2, and the tip thereof faces the lower end of the element 3. The nozzle body 2 is elastically supported by the upper part of the base cap 7 via a spring 8b so as to be pressed.

  Here, reference numeral 8c indicating members constituting the pump 8 is a cylinder suspended and held on the top wall 7a of the base cap 7, and 8d is disposed in the cylinder 8c and can slide along the inner wall thereof. The piston 8e is slidably disposed in the inner opening of the piston 8d, and a rod whose upper end is fitted to the inner wall of the hollow stem 8a (the rod 8e and the piston 8d form a valve body. When the pressure is reached, the valve body is opened), 8f is arranged at the bottom of the cylinder 8c, and the spring 8g elastically supports the rod 8e together with the piston 8d, the pump spring 8b, the hollow stem 8a and the spray nozzle, A pipe-shaped suction port 8h formed on the bottom wall of the cylinder 8c is a check valve that opens and closes the suction port 8g.

  Moreover, the code | symbol 9 is an external air introduction part provided in the bottom part of the outer layer body 1b. The outside air introduction section 9 is for introducing outside air between the inner layer body 1a and the outer layer body 1b through the outside air introduction section 9 when the contents are sucked by driving the pump 8, and thereby The inner layer body 1a can be reduced.

  In addition, this outside air introduction part 9 can be formed at the time of a shaping | molding process of a container. That is, when the container body 1 is formed into an inner / outer double structure composed of the inner layer body 1a and the outer layer body 1b, a cylindrical member in which the inner layer and the outer layer are laminated is extruded to form a molded body having a predetermined length. The end portion is subjected to pinch-off processing (processing that sandwiches the cylindrical member and tears it to a predetermined length, and that portion corresponds to the bottom of the container). In this pinch-off process, the entire inner layer is closely closed and appears outside, and the polymerization cross section of the inner layer and the outer layer protrudes downward.

And, between the inner layer and the outer layer, although a narrow adhesive layer is provided over the entire range in the height direction of the container, that is, from the mouth and neck of the container through the trunk part to the bottom (pinch-off processed part), In other regions, the inner layer and outer layer can be peeled from each other. Therefore, in the cross-section of the cross-section where the pinch-off process has been applied and protruded downward, the portions other than those bonded and fixed by the adhesive layer can be peeled off. The inner layer body 1a can be reduced by introducing outside air from the site .

  Furthermore, the code | symbol 10 is a rod-shaped member attached to the suction port 8g of the pump 8, and extending toward the bottom part of the inner layer body 1a. This rod-shaped member 10 has four ribs 10b protruding in the radial direction of the inner layer body 1a (indicated by the arrow X in the figure) and extending over the entire length of the main body 10a of the rod-shaped member 10, and the inner layer body 1a. Even when the remaining amount of the content is reduced due to the reduction of the content, the contents of the inner layer 1a are not in close contact with each other so that it is difficult to suck the content between the ribs 10b. The suction passage is formed.

  In this example, the rib 10b is shown as an example having a cross-shaped cross section arranged around the main body 10a of the rod-like member 10 at 90 ° intervals. However, if the suction passage for the contents can be secured, The number and shape can be appropriately changed as necessary, and are not limited to those shown in the drawings.

  In the container with the spray nozzle having the above-described configuration, a finger is applied to the pressing operation collar portion 6 provided at the lower portion of the nozzle body portion 2, and the nozzle body portion 2 is moved against the urging force of the springs 8b and 8f. The piston 8d disposed in the cylinder 8c of the pump 8 is reciprocated (lifted / lowered) by repeatedly performing the operation of removing the force applied during the pushing (pressurization, compression, spraying process of the contents). As a result, the contents in the inner layer 1a are sucked into the cylinder 8c through the suction port 8g and pressurized and compressed.

  When the inside of the cylinder 8c reaches a predetermined pressure during the pressurization and compression of the contents, the rod 10e elastically supported by the spring 8f is instantaneously separated from and contacted with the piston 10d (pressure accumulation).

  Due to the separation of the rod 10e from the piston 10d, the content to be compressed passes through the hollow stem 8a, the feed path m, the opening 4 and the minute gap 5a from the nozzle hole 2b provided at the top of the tip of the nozzle body portion 2. It will be sprayed (sprayed) in the form of a mist toward the outside.

  Usually, in a container having a spray nozzle configured as described above, a synthetic resin pipe P extending toward the bottom of the container body is attached to the suction port of the pump as shown in FIG. In general, the contents are sucked from the lower end opening of the pipe P.

  By the way, in the case where the pipe P is applied, since the pipe P has a structure fixed only by the suction port of the pump, for example, only the nozzle is packed in a box and conveyed. In this case, the pipe P bends due to the contact between the nozzles, which reduces the efficiency of setting (attaching the spray nozzle to the container body) and hinders efficient suction of the contents. It was.

  In the present invention, the high-synthetic bar-shaped member 10 having a plurality of ribs 10b is disposed as a member that forms the suction path for the contents, so that the bar-shaped member 10 is easily bent. And an efficient set is possible.

  Further, when the rod-shaped member 10 is applied, the container body 1 is a delamination-type dual structure in which the inner layer body 1a and the outer layer body 1b having high rigidity are combined. It is possible to inject things (use in the field of care, spray of medicines to the eyes, etc.), and the inner layer 1a is reduced as the contents become smaller, so almost all of the contents should be used up. In addition, it is possible to prevent other bacteria, bacteria, floating dust, etc. in the outside air from entering the inner layer body 1a (use of preservatives can be suppressed).

  In the present invention, as shown in FIG. 3, a plurality of short ribs 11 may be provided on the outer wall of the pipe-like suction port 8g constituting the pump 8 along the axis O of the container main body. In addition, although not shown, a short suction pipe connected to the suction port 8g may be provided, so that bending of the member can be avoided.

  In the embodiment of the present invention, as the spray nozzle, a taper shape having a tapered shape having the nozzle hole 2b at the tip apex is shown as an example, but the shape can be variously changed according to the application site. It is not limited to the illustrated one.

  According to the present invention, since the bending of the constituent members can be avoided, an efficient set can be realized. In addition, according to the present invention, the container body is composed of a delamination type double structure composed of an inner layer body and an outer layer body, so that the contents can be used up to the end and the quality of the contents is maintained over a long period of time. It becomes possible.

DESCRIPTION OF SYMBOLS 1 Container main body 1a Inner layer body 1b Outer layer body 2 Nozzle main body part 2a Through-passage path 2b Injection hole 3 Element 3a Cylindrical body 3b Top wall 4 Open hole 5 Vertical groove 5a Small gap 6 Gutter part 7 Base cap 7a Top wall 7b Annular peripheral wall 7c Inside Standing annular peripheral wall 7d Outside standing annular peripheral wall 8 Pump 8a Hollow stem 8b Spring 8c Cylinder 8d Piston 8e Rod 8f Spring 8g Suction port 8h Check valve 9 Outside air introduction part 10 Rod-like member 10a Main body 10b Rib 11 Rib

Claims (3)

A container body for filling the contents, and the mouth and neck of the container body are fixed and held, and the contents filled in the container body are sucked into the cylinder through the suction port by driving a pump, and the sucked contents are A container having a spray nozzle that pressurizes, compresses, mists, and sprays it toward the outside,
The container body directly holds the contents, and can be reduced as the filling amount of the contents decreases, and the inner and outer double layers of the outer layer body that accommodates the inner layer body inside. A structure
An outside air introduction part for introducing outside air between the inner layer body and the outer layer body in at least one place of the wall portion of the outer layer body ;
The suction port has a plurality of ribs projecting radially in the radial direction of the inner layer body, and is connected to a rod-shaped member extending toward the bottom of the inner layer body,
The outside air introduction part has at the end of the cylindrical member,
A container with a spray nozzle, characterized in that an adhesive layer having a narrow width is provided between the inner layer body and the outer layer body, from the neck of the container body to the bottom through the trunk portion .   The said rib is provided over the whole region of the said rod-shaped member, The container with a spray nozzle described in Claim 1 characterized by the above-mentioned.   The said spray nozzle is provided with the taper-shaped nozzle main-body part which makes a tapered shape which has a nozzle hole in the front-end | tip top part, The container with the spray nozzle of Claim 1 or 2 characterized by the above-mentioned.

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