JP5695501B2 - Foam dispenser - Google Patents

Description

  The present invention relates to a foam dispenser capable of dispensing a mixture of liquid and air as foam-like contents by passing through two meshes.

  As a conventional foam dispenser, for example, it has a stopper body attached to the mouth of the container body, and a foaming device fixed to the stopper body and provided with a net or a nonwoven fabric. Similarly, there is one in which an auxiliary cylinder provided with a net or a nonwoven fabric is interposed (for example, see Patent Document 1).

Japanese Utility Model Publication No. 63-13810

  On the other hand, this inventor discovered that the foam quality of the content poured out changes according to the distance between net | networks.

  However, in the conventional foam dispenser, since both the foaming device and the auxiliary cylinder are fitted to the plug body, the distance between the meshes and the like cannot be freely changed. For this reason, in order to change a foam quality according to a user's request | requirement and a use, it is necessary to change the design of the extractor itself separately.

  An object of the present invention is to provide a novel foam dispenser that can easily dispense with a foam quality according to the purpose without changing the design of the dispenser itself. .

The present invention includes a nozzle head that is mounted on a container body and has a nozzle and a cylindrical portion that hangs down from the nozzle, and has a mesh interposed in an internal passage formed inside, and communicates with the cylindrical portion of the nozzle head. A pipe connector having a cylindrical body portion and an internal passage that leads to a pipe formed inside, and an opening that leads the internal passage to the filling space of the container body on the upstream side of the mesh. A foam dispenser that foams and dispenses a mixture of the liquid content and the air taken in from the opening of the pipe connector by repeatedly crushing and returning the body of the container body. ,
Each of the mating surfaces of the cylindrical portion of the nozzle head and the cylindrical portion of the pipe connector is configured with a sliding surface that is slidably coupled along the axial direction.
A threaded portion that moves forward and backward along the axial direction by rotating the nozzle head cylindrical portion and the pipe connector cylindrical portion clockwise or counterclockwise around the axis is provided . The distance between the nozzle head mesh and the pipe connector mesh can be adjusted .

  For example, the screwing portion includes a screw portion formed on the outer peripheral surface of the cylindrical portion of the nozzle head and a screw portion formed on the inner peripheral surface of the peripheral wall portion provided in the cylindrical portion of the pipe connector. can do.

In the present invention, the nozzle head is provided with an outer shell portion that surrounds the peripheral wall portion of the pipe connector and seals the mouth portion of the container, and a through hole is formed in the outer shell portion. A check valve that allows only the introduction of outside air from the through hole can be provided between the peripheral wall portion of the pipe connector .

  Furthermore, in the present invention, it is preferable that the tubular body portion of the pipe connector is disposed inside the tubular body portion of the nozzle head, and the mesh of the pipe connector is disposed inside the tubular body portion of the nozzle head.

  In the present invention, the nozzle head or the pipe connector advances or retreats along the axial direction by rotating clockwise or counterclockwise around the axis, so that the nozzle head side mesh, the pipe connector side mesh, The distance between can be freely changed without changing the design of the dispenser itself.

  In addition, since the advancement / retraction of the nozzle head or the pipe connector is due to a screw, the advancement / retraction (distance between meshes) can be finely adjusted, and the positioning thereof is facilitated.

  Therefore, according to the present invention, it is possible to provide a novel bubble dispenser that can easily dispense with the foam quality according to the purpose without changing the design of the dispenser itself.

It is sectional drawing which shows the state which mounted | wore with the container main body which is one form of this invention, and the distance between the meshes was made into the minimum. It is sectional drawing which shows the state which mounted | wore the container main body with the bubble extractor, and maximized the distance between the meshes.

  Hereinafter, a foam dispenser which is one embodiment of the present invention will be described in detail with reference to the drawings.

  Reference numeral 1 is a foam dispenser made of synthetic resin. The foam dispenser 1 is attached to the mouth 31 of the container body 30. The container main body 30 is a blow molded bottle made of synthetic resin, and has a trunk portion 33 that is connected to the mouth portion 31 via a shoulder portion 32 and can be deformed and restored. Inside the container main body 30, a filling space S for the content liquid communicating with the outside through the mouth portion 31 is formed.

  Reference numeral 2 denotes a nozzle head attached to the container body 30. The nozzle head 2 has a nozzle 2a that extends laterally with respect to the axis O, and a cylindrical body 2b that hangs down integrally from the nozzle 2a along the axis O, on the inner side of the tip of the nozzle 2a. An internal passage 21 is formed through the opening Aa formed at the end and the opening Ab formed at the end of the cylindrical body 2b.

  The internal passage 21 includes a passage 21a that passes through the inside of the nozzle 2a and a passage 21b that is formed inside the cylindrical portion 2b through the passage 21a. The passage 21b is composed of a small diameter portion 21b (1) and a large diameter portion 21b (2).

  Reference numeral 5 denotes a mesh ring fixed to the nozzle head 2. The mesh ring 5 is an existing one in which a mesh 5b is fixed to an end surface of a cylindrical body 5a made of synthetic resin. The mesh ring 5 is fitted and held in the small diameter portion 21b (1) through the cylindrical body 5a.

  Reference numeral 7 denotes a pipe connector made of synthetic resin. The pipe connector 7 integrally includes a main body 7a having a pipe P disposed in the container main body 30 and a cylindrical body portion 7b communicating with a cylindrical body portion (hereinafter referred to as “pipe connector cylindrical body portion”) 2b of the nozzle head 2. Have.

  Inside the pipe connector 7 is formed an internal passage 22 through which an opening Ac formed at the tip of the pipe P and an opening Ad formed at the end of the cylindrical portion 7b are passed. The internal passage 22 includes a large diameter portion 22a, a medium diameter portion 22b, and a small diameter portion 22c. The large-diameter portion 22a fits and holds the mesh ring 5 on the inner side as in the nozzle head 2 side. As a result, the content liquid fed through the pipe P passes through the mesh ring 5 disposed from the upstream small diameter portion 22c to the downstream large diameter portion 22a.

  Further, the pipe connector 7 is formed with an opening 23 at least one position around the axis O on the upstream side (pipe P side) of the mesh ring 5 (mesh 5b) to allow the internal passage 22 to communicate with the outside. The opening 23 is an outside air introduction hole for taking in the air in the filling space S. Thereby, the mixture of the content liquid pumped from the filling space S through the passage 24 of the pipe P and the outside air (air) in the filling space S passes through the mesh ring 5. The small-diameter portion 22c is provided with a plurality of vertical ribs 7r1 at intervals around the axis O. Thereby, insertion of the pipe P inserted in the main body 7a is regulated.

  In this embodiment, the cylindrical portion (hereinafter referred to as “pipe connector cylindrical portion”) 7b of the pipe connector 7 is internally fitted to the nozzle head cylindrical portion 2b. Therefore, the outer peripheral surface 7f of the pipe connector cylindrical portion 7b and the inner peripheral surface 2f (1) of the nozzle head cylindrical portion 2b are respectively mating surfaces of the pipe connector cylindrical portion 7b and the nozzle head cylindrical portion 2b. Configure. The nozzle head 2 side mating surface (hereinafter referred to as “mating surface 2f (1)”) and the pipe connector 7 side mating surface (hereinafter referred to as “mating surface 7f”) are smooth surfaces along the axis O direction. It is configured as a slidable sliding surface.

  In addition, the nozzle head cylinder portion 2b and the pipe connector cylinder portion 7b are respectively screwed portions that advance and retract along the axis O direction by rotating clockwise or counterclockwise around the axis O. 2s and 7s are provided. The screwing portion 2s is constituted by a screw portion formed on the outer peripheral surface of the nozzle head cylinder portion 2b. 7s of screwing parts are comprised by the thread part formed in the internal peripheral surface of the surrounding wall part 7c provided in the pipe connector cylinder part 7b so that the nozzle head cylinder part 2b may be surrounded.

  Further, the nozzle head 2 is integrally provided with an outer shell portion 2 c so as to surround a peripheral wall portion (hereinafter referred to as “pipe connector peripheral wall portion”) 7 c of the pipe connector 7. The outer shell portion 2 c has an outer cylinder portion 2 c (1), and is provided with a screw portion 2 d that is screwed into a screw portion 34 formed in the mouth portion 31. Thereby, the nozzle head 2 can be detachably attached to the mouth portion 31 by rotating clockwise or counterclockwise around the axis O.

  In this embodiment, the pipe connector peripheral wall portion 7c includes a large-diameter portion 7c1 provided with a threaded portion 7s and a small-diameter portion 7c2 smaller in diameter than the large-diameter portion 7c1. In this case, it is effective when removing from the mold.

  In addition, the outer shell part 2c has an inner cylinder part 2c (2) surrounded by the outer cylinder part 2c (1). The inner cylinder portion 2 c (2) is fitted to the inner peripheral surface 31 f of the mouth portion 31. Thereby, the outer shell part 2 c seals the mouth part 31.

  Furthermore, a through hole 25 that allows the filling space S to communicate with the outside through the mouth portion 31 is formed in the outer shell portion 2c. Reference numeral 8 is a check valve that allows only introduction of outside air from the through hole 25.

  The check valve 8 is made of synthetic resin, and a mounting cylinder 8a fitted and held on the pipe connector peripheral wall 7c and an annular wall 8b provided around the mounting cylinder 8a are provided integrally. It has been.

  The annular wall 8b is an inclined wall whose diameter increases toward the filling space S, and is in contact with the inner peripheral surface 2f (2) of the inner cylindrical portion 2c (2) so as to be able to be deformed and restored. Thereby, the check valve 8 can partition the through hole 25 and the filling space S and can only allow the introduction of the outside air from the through hole 25, and can crush the trunk portion 33 of the container body 30. Even if the content liquid is pumped through the pipe P by repeating the return, the container body 30 is not crushed.

  Note that the check valve 8 is not limited to the one that spans between the outer shell portion 2c and the pipe connector peripheral wall portion 7c as in this embodiment, and is provided directly on the outer shell portion 2c, for example. It is also possible to configure with an elastic tongue piece that opens and closes the through hole 25.

  In this embodiment, the minimum value X of the distance between meshes is obtained by rotating the nozzle head 2 or the pipe connector 7 clockwise or counterclockwise around the axis O in a state where the foam dispenser 1 is removed from the container body 30. To the maximum value X + Y (B: the maximum stroke amount by a screw regulated by the tip of the nozzle head cylinder part 2b coming into contact with the connecting part of the pipe connector cylinder part 7b and the pipe connector peripheral wall part 7c). The distance between the mesh 5b on the nozzle head 2 side and the mesh 5b on the pipe connector 7 side can be freely changed without changing the design of the dispenser itself, because they move forward and backward along the axis O direction. can do.

  In addition, since the advancement / retraction of the nozzle head 2 or the pipe connector 7 is due to the screws 2s, 7s, the advancement / retraction (distance between the meshes 5b) can be finely adjusted, and the positioning thereof is facilitated.

  Therefore, according to the present embodiment, it is possible to simply perform the extraction with the foam quality according to the purpose without changing the design of the extractor itself. According to the present invention, the distance between the meshes 5b can be adjusted at the time of assembly before product shipment or by the user.

  In addition, in this embodiment, the nozzle head cylinder part 2b and the pipe connector cylinder part 7b are provided with retaining parts 2r and 7r2, respectively. The retaining portion 2r is an annular rib provided on the outer peripheral surface of the lower end of the nozzle head cylinder portion 2b. The retaining portion 7r2 is an annular rib provided on the inner peripheral surface of the pipe connector cylindrical portion 7b. As shown in FIG. 2, the retaining portions 2r and 7r2 are hooked to each other to prevent the nozzle head 2 and the pipe connector 7 from being separated.

  The retaining portion 2r is configured so as to be equal to or lower than the thread of the screw portion 2s by increasing the thickness of the nozzle head cylinder portion 2b, and the retaining portion 7r2 and the thread portion 7s. The relationship is the same. In this case, it is effective when removing from the mold.

  According to the present invention, the screwing portions 2s and 7s can, for example, directly screw the nozzle head tube portion 2b and the pipe connector tube portion 7b, but as in this embodiment, the nozzle head If it is composed of a threaded portion formed on the cylindrical body portion 2b and a threaded portion formed on the pipe connector peripheral wall portion 7c, the liquid-tightness between the internal passage 21 and the internal passage 22 is secured while the purpose is achieved. It is possible to easily perform the extraction with the corresponding foam quality.

  Further, as in this embodiment, the nozzle head 2 is provided with an outer shell portion 2c that surrounds the pipe connector peripheral wall portion 7 and seals the mouth portion 31. The outer shell portion 2c is formed with a through hole 25, and this If the check valve 8 that allows only the introduction of outside air from the through hole 25 is provided, the container body 30 can reliably pump the content liquid while ensuring the introduction of outside air (air) into the filling space S. By doing so, it is possible to easily perform the pouring with a foam quality corresponding to the purpose.

  Furthermore, if the pipe connector cylinder part 7b is arranged inside the nozzle head cylinder part 2b and the mesh 5b of the pipe connector 7 is arranged inside the pipe connector cylinder part 7b as in the present embodiment, It is possible to dispense with the foam quality according to the size while achieving compactness.

The above description only shows one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, the check valve 8 and the pipe P can be provided integrally with the pipe connector 7 .

  The present invention has a nozzle head in which a mesh is interposed in an internal passage leading to an opening formed at the tip of a nozzle, a mesh is interposed in an internal passage leading to a pipe, and an internal passage is connected to the outside upstream of the mesh. A pipe connector having an opening formed therein, and the tubular body portion of the nozzle head that forms the internal passage of the nozzle head on the inside, and the tubular body portion of the pipe connector that forms the internal passage of the pipe connector. If it is a bubble dispenser, it can be applied to various things. Also, the type of content liquid is not limited.

DESCRIPTION OF SYMBOLS 1 Foam dispenser 2 Nozzle head 2a Nozzle 2b Nozzle head cylinder part 2c Outer shell part 2s Screwing part 5 Mesh ring 5a Cylinder 5b Mesh 7 Pipe connector 7a Main body 7b Pipe connector cylinder part 7c Pipe connector peripheral wall part 7c1 Large Diameter portion 7c2 Small diameter portion 7s Screwed portion 8 Check valve 21 Internal passage 22 Internal passage 23 Opening (outside air introduction hole)
24 Pipe passage 25 Through hole 30 Container body 31 Mouth 32 Shoulder 33 Body

Claims (4)

A nozzle head that is attached to the container body and has a nozzle and a cylindrical body portion that hangs down from the nozzle and interposes a mesh in an internal passage formed inside, and a cylindrical body portion that communicates with the cylindrical body portion of the nozzle head A pipe connector in which an opening is formed to allow the internal passage to communicate with the filling space of the container body on the upstream side of the mesh with the mesh interposed in the internal passage that leads to the pipe formed inside . A foam dispenser that pours out a mixture of the liquid content and air taken from the opening of the pipe connector into a foam by repeating crushing and returning of the body of the container body ,
Each of the mating surfaces of the cylindrical portion of the nozzle head and the cylindrical portion of the pipe connector is configured with a sliding surface that is slidably coupled along the axial direction.
A threaded portion that moves forward and backward along the axial direction by rotating the nozzle head cylindrical portion and the pipe connector cylindrical portion clockwise or counterclockwise around the axis is provided . A foam dispenser characterized in that the distance between the mesh on the nozzle head side and the mesh on the pipe connector side can be adjusted .   2. The threaded portion according to claim 1, wherein the threaded portion includes a screw portion formed on an outer peripheral surface of the cylindrical portion of the nozzle head and a peripheral wall provided on the cylindrical portion of the pipe connector so as to surround the cylindrical portion of the nozzle head. A foam dispenser comprising: a thread portion formed on an inner peripheral surface of the portion. In claim 2, the nozzle head is provided with an outer shell portion that surrounds the peripheral wall portion of the pipe connector and seals the mouth portion of the container,
While forming a through hole in the outer shell,
A foam dispenser characterized in that a check valve is provided between the outer shell portion of the nozzle head and the peripheral wall portion of the pipe connector to allow only the introduction of outside air from the through hole.   The pipe connector cylinder according to any one of claims 1 to 3, wherein the pipe connector cylinder is arranged inside the nozzle head cylinder, and the pipe connector mesh is arranged inside the pipe connector cylinder. A foam dispenser characterized by that.

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