JP2013112382A - Bubble discharge unit - Google Patents

Bubble discharge unit Download PDF

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Publication number
JP2013112382A
JP2013112382A JP2011260925A JP2011260925A JP2013112382A JP 2013112382 A JP2013112382 A JP 2013112382A JP 2011260925 A JP2011260925 A JP 2011260925A JP 2011260925 A JP2011260925 A JP 2011260925A JP 2013112382 A JP2013112382 A JP 2013112382A
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Japan
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member
upper
lower
cylinder
c4b
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JP2011260925A
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JP5791079B2 (en
Inventor
Shigeo Iizuka
茂雄 飯塚
Hiroshi Mizushima
水嶋  博
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Yoshino Kogyosho Co Ltd
株式会社吉野工業所
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Priority to JP2011260925A priority Critical patent/JP5791079B2/en
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Publication of JP5791079B2 publication Critical patent/JP5791079B2/en
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Abstract

A foam dispenser that can clean a foaming member made of mesh or the like and that can be easily operated is proposed.
A cylinder member B formed by connecting a large-diameter air cylinder 20 and a small-diameter liquid cylinder 21 vertically and a liquid piston C1 projecting from the lower outer periphery of a stem C2 and an air piston C3. Is connected to the upper part of the outer periphery of the stem, and the discharge member C4 is fitted to the upper end of the stem so as to be movable up and down in an upward biased state. A foam discharger configured to condense air in a cylinder for air to foam through a foaming member 76 and discharge from the discharge port of the discharge head. The discharge head includes a lower member C4a and a foaming member. The upper member C4b provided is provided with an easy detachment means provided with a mechanism for raising the upper member relative to the lower member by rotating the upper member relative to the lower member.
[Selection] Figure 1

Description

  The present invention relates to a foam dispenser, and more particularly to a foam dispenser that can easily clean a foaming member such as a mesh constituting a foaming structure.

  As a foam discharger, a cylinder member in which a large-diameter air cylinder and a small-diameter liquid cylinder are connected concentrically up and down, and a liquid piston sliding inside the liquid cylinder project from the lower part of the outer periphery of the stem. A pneumatic piston that slides in the pneumatic cylinder is connected to the upper portion of the outer periphery of the stem, and an operating member that is fitted to the upper end of the stem so as to be movable up and down in an upward biased state. A configuration is known in which the liquid in the liquid cylinder and the air in the air cylinder are merged by vertical movement to be bubbled through a foaming member and discharged from the discharge port of the discharge head. (For example, see Patent Document 1)

  In the foam discharge device described in Patent Document 1, a vertical cylinder of a discharge head is fitted to the upper end of the outer periphery of the stem, and the cylinder member is fitted from the upper part of the stem in the vertical cylinder to the upper end of the stem. A foaming member is fitted in The foaming member is configured by fitting a cylindrical body in which a mesh is stretched on one end surface into a pair of cylindrical members.

JP 2009-202122 A

  In this type of conventional bubble ejector, the ejection head is firmly fitted to the stem by increasing the fitting strength so that the ejection head is not easily detached. As a result, the mesh constituting the foaming member is configured to be virtually uncleanable. The foaming liquid passing through the mesh or the foam foamed with the mesh is generally easy to dry and solidify and may cause clogging of the mesh after long-term use.

  The present invention has been made in view of the above points, and proposes a foam discharger that can clean a foaming member composed of a mesh or the like and that can be easily operated.

  The first means is configured as follows. That is, the upper end is fixed to the mounting cap A to be fitted to the outer periphery of the mouth-and-neck portion 101 of the container body 100 and hangs down in the container body 100, and the large-diameter air cylinder 20 and the small-diameter liquid cylinder 21 are moved up and down. A cylinder member B concentrically connected to the liquid cylinder 21 and a liquid piston C1 that slides in the liquid cylinder 21 project from the lower outer periphery of the stem C2 and an air piston that slides in the air cylinder 20 C3 is linked to the upper periphery of the stem C2, and the discharge head C4 is fitted to the upper end of the stem C2 so as to be movable up and down in the upward biased state. 21 is a foam discharger configured to cause the liquid in the air 21 and the air in the cylinder 20 for air to join together to foam through the foaming member 76 and discharge from the discharge port of the discharge head C4. In addition, the lower member C4a is erected from the upper end of the stem C2 and the support cylinder 61 that communicates with the stem C2 is erected, and the vertical cylinder 70 that communicates with the discharge port 75 is detachably fitted into the support cylinder 61. The upper member C4b is provided with a foaming member 76 at the lower end in the vertical cylinder 70, and includes an easy detaching means for the upper member C4b between the lower member C4a and the upper member C4b. The easy detachment means forms an upward concave / convex surface f1 on the lower member C4a, and a downward concave / convex surface f2 fitted to the upward concave / convex surface f1 on the upper member C4b, and rotates the upper member C4b relative to the lower member C4a. Accordingly, a mechanism is provided in which the downwardly uneven surface f2 slides up on the upwardly uneven surface f1, and the upper member C4b is raised with respect to the lower member C4a.

  The second means is configured as follows. That is, in the first means, the lower member C4a is attached to the inner peripheral upper end of the stem C2 via the flange 56 extending inward from the upper end of the fitting cylinder 55 fitted to the upper peripheral end of the stem C2. The inner cylinder 57 to be fitted is suspended, the support cylinder 61 is erected on the flange 56, and the lower outer peripheral wall 63 is supported outside the support cylinder 61. The upper member C4b is hermetically sealed in the support cylinder 61. A vertical cylinder 70 fitted in a liquid-tight manner is suspended from the back surface of the top plate 71, and an upper outer peripheral wall 72 is suspended from a peripheral portion of the top plate 71 on the lower outer peripheral wall 63, and a base end is provided at the upper portion of the vertical cylinder 70. The nozzle 74 is extended and the upper member C4b is configured as an easy detachment means with an upward uneven surface f1 formed on the lower outer peripheral wall 63 and a downward uneven surface f2 formed on the upper outer peripheral wall 72. .

  The third means was configured as follows. That is, in the second means, as the means for easily detaching the upper member C4b, the upward uneven surface f1 formed on the upper surface of the upward uneven surface forming protrusion 64 protruding from the inner surface of the lower outer peripheral wall 63, and the upper outer periphery It is comprised with the downward uneven surface f2 formed in the lower surface of the protrusion 73 for downward uneven surface formation which protruded in the wall 72 inner surface.

  The fourth means is configured as follows. That is, in the second means, as the means for easily detaching the upper member C4b, it is composed of an upward uneven surface f1 formed on the upper surface of the lower outer peripheral wall 63 and a downward uneven surface f2 formed on the lower surface of the upper outer peripheral wall 72. .

  The fifth means is configured as follows. That is, in the first to fourth means, the upward uneven surface f1 and the downward uneven surface f2 are each formed in an annular shape.

  The sixth means is configured as follows. That is, in the first to fourth means, the lower member C4a is configured to always move up and down at a predetermined position with respect to the mounting cap A, and the upward uneven surface f1 and the upward uneven surface f1. When the upper member C4b and the lower member C4b are fitted to the lower member C4b, the nozzle 74 is attached to the mounting cap A. Thus, it is configured to always face a predetermined direction.

  The seventh means is configured as follows. That is, in any one of the first to sixth means, the mesh 76a is stretched on the end surface of the cylinder 76b fitted to the lower end portion of the vertical cylinder 70 as the foaming member 76.

  According to the present invention, the ejection head C4 includes the lower member C4a that is fitted and fixed to the upper end portion of the stem C2, and the upper member C4b that is detachably fitted to the lower member C4a, and the upper member C4b. Since the foaming member 76 is provided at the lower end in the vertical cylinder 70, the foaming member 76 can be easily cleaned by detaching the upper member C4b from the lower member C4a as necessary. Moreover, between the lower member C4a and the upper member C4b, the upper member C4b having a mechanism for raising the upper member C4b relative to the lower member C4a by rotating the upper member C4b relative to the lower member C4a. Since it is provided with easy detachment means, the upper member C4b can be removed by a simple operation of simply rotating and raising the upper member C4b with respect to the lower member C4a for cleaning, and the upper member C4b can be removed after cleaning. It can be restored to its original state simply by rotating and descending. Furthermore, there is an advantage that it can be manufactured without increasing the number of members as compared with the conventional product.

  The lower member C4a hangs down an inner cylinder 57 that fits to the upper end of the inner periphery of the stem C2 via a flange 56 that extends inward from the upper end of the fitting cylinder 55 that is fitted to the upper end of the outer periphery of the stem C2. A support cylinder 61 is erected on the flange 56, and a lower outer peripheral wall 63 is supported outside the support cylinder 61. The upper member C 4 b is fitted in the support cylinder 61 in an airtight and liquid tight manner. Is suspended from the rear surface of the top plate 71, an upper outer peripheral wall 72 is suspended from the peripheral portion of the top plate 71 on the lower outer peripheral wall 63, a base end is opened at the upper portion of the vertical cylinder 70, and a nozzle 74 is extended. Thus, when the upwardly uneven surface f1 formed on the lower outer peripheral wall 63 and the downwardly uneven surface f2 formed on the upper outer peripheral wall 72 are configured as easy detachment means for the upper member C4b, the stem C2 of the lower member C4a is moved to. The lower member C4a and the upper member C can be firmly fixed. b and the separation can be performed more reliably, and also includes the feature that the assembling operation mutual easily, there is an advantage that each member can be compactly assembled efficiently.

  As an easy detaching means for the upper member C4b, an upward uneven surface f1 formed on the upper surface of the upward uneven surface forming protrusion 64 projecting on the inner surface of the lower outer peripheral wall 63 and a downward uneven surface projecting on the inner surface of the upper outer peripheral wall 72 are formed. In the case where it is composed of the downwardly-projecting uneven surface f2 formed on the lower surface of the projection 73, the easy detachment means of the upper member C4b can be hidden inside to improve the appearance, and the upper member C4b can be attached and detached. At this time, there is an advantage that even if the easy detachment means is not visible, the attachment and detachment can be easily and surely performed with the touch of the hand.

  When the upper member C4b is configured to be easily separated from the upward uneven surface f1 formed on the upper surface of the lower outer peripheral wall 63 and the downward uneven surface f2 formed on the lower surface of the upper outer peripheral wall 72, the structure is further simplified. Combine features.

  When each of the upwardly uneven surface f1 and the downwardly uneven surface f2 is formed in an annular shape, a large number of mutual unevenness fitting portions can be formed, and it is possible to stably fix and fix the upper member C4b and the lower member C4a. In addition, when the separated upper member C4b is fitted to the lower member C4a, a large number of concave and convex portions can be fitted, so that each concave and convex surface can be fitted with a small rotation width from an arbitrary position, making mounting easier. Become.

  The lower member C4a is configured such that it can always move up and down at a predetermined position with respect to the mounting cap A, and the upward uneven surface f1 and the downward uneven surface f2 fitted to the upward uneven surface f1 In the case where the nozzle 74 is configured so as to always face a predetermined direction with respect to the mounting cap A when the upper member C4b is fitted to the lower member C4b and formed in a part of the member C4b, the container body 100 The upper member C4b that has been removed can be fitted in a predetermined direction at all times, and therefore can be preferably applied to a handy-type foam dispenser.

  When the mesh 76a is stretched on the end surface of the cylinder 76b fitted to the lower end of the vertical cylinder 70 as the foaming member 76, the foaming member 76 can be assembled more easily. There is also an advantage that the foaming function of the foaming member 76 can be easily selected by adjusting the number of.

It is a longitudinal cross-sectional view of a foam discharger. (First embodiment) It is a principal part expansion longitudinal cross-sectional view of the discharge head part of a foam discharger. (First embodiment) It is a longitudinal cross-sectional view of the state where the upper member of the ejection head is removed. (First embodiment) It is a top view of the state which removed the upper member of the discharge head. (First embodiment) It is a principal part perspective view of the state where the upper member of the discharge head was removed. (First embodiment) It is a bottom view of the upper member of the ejection head. (First embodiment) It is an expanded view explaining an easy detachment means. (First embodiment)

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

1 to 7 show a first embodiment of the foam dispenser of the present invention. The foam discharger 1 includes a mounting cap A, a cylinder member B, an operation member C, a poppet valve body D, and a cover cap E.

  The mounting cap A is for fixing the foam discharger 1 to the container body 100, and is a window through which the operation member C penetrates from the upper end edge of the peripheral wall 10 fitted to the outer periphery of the mouth neck portion 101 of the container body 100. A top wall 11 having a hole is extended, and a guide cylinder 12 is suspended downward from the periphery of the window hole.

  The cylinder member B has a small-diameter liquid cylinder 21 extending concentrically below the large-diameter air cylinder 20 whose upper end is fitted and fixed in the mounting cap A. The liquid cylinder 21 is connected to the inner peripheral edge of the bottom wall portion of the air cylinder 20 with the upper edge of the peripheral wall portion hanging downward, and extends from the lower end edge of the peripheral wall portion to a tapered bottom wall portion that opens at the center. The upper surface of the bottom wall portion is configured as a valve seat 22 for the suction valve. Further, a pipe fitting cylinder 23 is integrally suspended from the central opening edge of the bottom wall portion, and the upper end of the pipe 24 for suction is fitted into the pipe fitting cylinder 23 and the lower end thereof is suspended from the lower end portion in the container body 100. I am letting. Further, a plurality of locking ribs 25 in the circumferential direction are projected from the bottom wall portion outer edge portion of the liquid cylinder 21 to the lower end portion of the peripheral wall portion. An upward stepped portion is provided at an upper and lower intermediate portion of each locking rib 25.

  The actuating member C is assembled to the cylinder member B so as to be vertically movable in an upward biased state, and includes a liquid piston C1, a stem C2, an air piston C3, and a discharge head C4.

  The liquid piston C1 has an upper and lower skirt-shaped sliding portion 31 projecting outward from the outer periphery of the lower end of the fitting cylinder portion 30 fitted to the lower portion of the stem C2, and the sliding portion 31 is connected to the inner periphery of the liquid cylinder 21. Are fitted in a liquid-tight slidable manner. Further, the upper end portion of the fitting cylinder portion 30 forms a valve seat 32 for a check valve in the form of a ridge at an intermediate portion in the vertical direction in the stem C2. A coil spring s is interposed between the lower surface of the fitting cylinder portion 30 of the liquid piston C1 and the upward step portion of each locking rib 25 to constantly urge the operating member C upward.

  The stem C2 has a cylindrical shape with open upper and lower ends, and a liquid piston C1 that slides on the liquid cylinder 21 protrudes from the outer periphery of the lower portion, and an air piston C3 that slides in the air cylinder 20 has an outer periphery. In cooperation with the upper part, the liquid cylinder 21 and the air cylinder 20 are mounted so as to move up and down. A valve seat 35 for the discharge valve is formed in the upper part of the stem C2, and a discharge valve 37 is formed with the ball-shaped valve body 36. Further, a check valve valve is formed from the lower surface of the valve seat 35 for the discharge valve. A plurality of longitudinal ridges 38 are provided in the circumferential direction between the valve seat 32 and the top. Further, a valve seat 39 for an air discharge valve projecting in a flange shape is projectingly provided in the middle portion of the outer surface in the vertical direction, and a plurality of longitudinal ridges 40 in the circumferential direction are projectingly provided on the outer periphery of the cylinder wall. ing.

  The air piston C3 has an inner peripheral cylindrical valve portion 45 fitted to the outer periphery of the stem C2 so as to be able to move up and down with a small width, and the air piston C3 has a stepped partition wall 46 extending from the outer periphery of the cylindrical valve portion 45. An upper and lower skirt-shaped sliding portion 47 is fitted to the inner circumference of the cylinder 20 for fluid-tight sliding. The cylindrical valve portion 45 is fitted to the outer surface of the vertical protrusion 40 on the outer periphery of the stem C2 so as to be movable up and down. In addition, the stepped partition wall 46 of the air cylinder 20 is provided with an outside air introduction valve 48 for introducing outside air. The outside air introduction valve 48 is opened due to the negative pressure in the air cylinder 20 when the lowered operating member C rises, and introduces outside air.

  Further, as will be described later, the fitting cylinder 55 of the lower member C4a constituting the ejection head C4 is fitted and fixed to the outer peripheral upper end portion of the stem C2, and the annular recess 58 is formed on the inner peripheral lower end portion of the fitting cylinder 55. The cylindrical valve portion 45 is mounted so as to be movable up and down between the top surface of the annular recess and the valve seat 39 for the air discharge valve. An air discharge valve 49 is constituted by the valve seat 39 for the air discharge valve. An air passage that constitutes an air supply path p that communicates from the air discharge valve 49 into the annular recess 58 and communicates from the air cylinder 20 into the stem C2 between the stem C2 and the tubular valve portion 45. I have. The air discharge valve 49 is closed when the operating member C shown in FIG. 1 is pushed up to the uppermost position, and is opened when the operating member C is pushed down. It is configured so as to close when it is lifted.

  As shown in an enlarged view in FIG. 2, the discharge head C4 is fitted and fixed to the upper end portion of the stem C2, and a lower member C4a formed by standing a support cylinder 61 communicating with the stem C2, and a discharge port in the support cylinder 61 The vertical cylinder 70 that communicates with 75 is detachably fitted, and the upper cylinder C4b is provided with a foaming member 76 provided at the lower end of the vertical cylinder 70.

The lower member C4a has a flange 56 extending inward from the upper end of the fitting cylinder 55 fitted to the outer peripheral upper end of the stem C2, and is fitted to the inner peripheral upper end of the stem C2 from the inner peripheral edge of the flange 56. The inner cylinder 57 is suspended, and a gas-liquid mixing chamber R is defined at a downstream position of the discharge valve 37 below the inner cylinder 57. An annular recess 58 is formed in the inner periphery of the lower end of the fitting cylinder 55, and the upper end edge of the tubular valve portion 45 of the air piston C3 is slid in an airtight and liquid tight manner on the outer peripheral surface of the annular recess 58. . Further, a plurality of restricting protrusions 60 for restricting the rising width of the ball-shaped valve body 36 are provided from the lower surface of the inner cylinder 57. Further, a support cylinder 61 is erected from above the flange 56. Further, the lower outer peripheral wall 63 is supported on the outer periphery of the fitting tube 55 and the outer peripheral position of the support tube 61 via a plurality of circumferential connecting ribs 62 protruding from the outer peripheral surface of the fitting tube 55. An annular upward concavo-convex surface forming projection 64 constituting an easy detaching means for the upper member C4b described later is provided on the upper part of the inner peripheral surface of the lower outer peripheral wall 63, and an upward concavo-convex surface f1 is provided on the upper surface thereof. Forming. Further, a vertical rib 66 projects from the front surface of the lower outer peripheral wall 63 in order to specify the direction of the discharge head C4, and is formed in the guide groove 13 provided vertically at the front portion of the guide cylinder 12 of the mounting cap A. It is fitted so that it can move up and down.

  Then, the annular recess 58 communicates between the stem C2 and the fitting cylinder 55, between the stem C2 and the flange 56, between the stem C2 and the inner cylinder 57, and into the stem C2 below the lower member C4a. An air passage is provided, and is configured as an air supply passage p from the air cylinder 20 to the gas-liquid mixing chamber R through the air discharge valve 49 together with the air passage between the stem C2 and the tubular valve portion 45. doing.

  The upper member C4b has a vertical cylinder 70 in which the lower end of the outer periphery is fitted in an airtight and liquid-tight manner in the support cylinder 61 of the lower member C4a. The upper member C4b is suspended from the rear surface of the top plate 71. And the lower end surface of the upper outer peripheral wall 72 is in contact with the upper end surface of the lower outer peripheral wall 63 to form the outer peripheral wall of the ejection head C4. Further, on the inner surface of the upper outer peripheral wall 72, there is provided an annular downward concavo-convex surface forming projection 73 that constitutes an easy detachment means for the upper member C4b described later, and a downward concavo-convex surface f2 is formed on the lower surface thereof. doing. The downward concavo-convex surface f2 is configured to be fitted to the upward concavo-convex surface f1 in a state in which the upper surface of the lower outer peripheral wall 63 and the lower surface of the upper outer peripheral wall 72 are in contact with each other. The portion 73 hangs down to the upper end on the inner surface of the lower outer peripheral wall 63. Further, a base end is opened at the upper end of the vertical cylinder 70, a nozzle 74 projecting forward through the upper outer peripheral wall 72 is extended, and a discharge port 75 is opened at the tip thereof. A foaming member 76 is provided at the lower end of the vertical cylinder 70. The foaming member 76 is configured by preparing a pair of cylindrical bodies 76b in which a mesh 76a is stretched and fitting the inside of the vertical cylinder 70 so that the mesh 76a has an upper end and a lower end. In the illustrated example, a pair of cylinders are provided. However, it is possible to fit one cylinder with a mesh stretched thereon, or three or more cylinders, which can be selected as appropriate. .

  The poppet valve body D is provided with a plurality of circumferentially extending locking projections 80 positioned between the locking ribs 25 of the liquid cylinder 21 on the outer surface of the lower end portion, and the stem C2 from the liquid cylinder 21 inside. It has a length that extends to the inner and lower parts, and is mounted so that it can move up and down from the position where the valve seat 22 for suction valve and the lower surface abut to the position where each locking projection 80 contacts the lower surface of the coil spring doing. The upper part of each locking projection 80 is formed with a lower portion as a large diameter portion and an upper portion as a small diameter portion, and a check valve body 81 that expands into a tapered cylindrical shape is formed at the upper end of the small diameter portion. A check valve 82 is formed by the valve body 81 and the valve seat 32 for the check valve. A suction valve 83 is constituted by the lower end portion of the poppet valve body D and the valve seat 22 for the suction valve.

  In the present invention, an easy detaching means for the upper member C4b is provided between the lower member C4a and the upper member C4b. The easy detachment means for the upper member C4b is formed by forming an upwardly uneven surface f1 on the lower member C4a, and a downwardly uneven surface f2 that fits the upwardly uneven surface f1 on the upper member C4b, and the upper member C4b with respect to the lower member C4a. By rotating, the downward concave / convex surface f2 slides up on the upward concave / convex surface f1, and a mechanism for raising the upper member C4b relative to the lower member C4a is provided.

  The upward uneven surface f1 can be formed, for example, on the upper surface of the upward uneven surface forming protrusion 64 projecting on the inner surface of the lower outer peripheral wall 63 of the lower member C4a, or on the upper surface of the lower outer peripheral wall 63, etc. The surface f2 can be formed, for example, on the upper surface of the downward concavo-convex surface forming projection 73 provided on the inner surface of the upper outer peripheral wall 72 or on the lower surface of the upper outer peripheral wall 72 at a position facing the upward concavo-convex surface f1.

  The easy detachment means for the upper member C4b in this example is formed on the upper uneven surface f1 formed on the upper surface of the annular upward uneven surface forming protrusion 64 projecting on the inner surface of the lower outer peripheral wall 63, and on the inner surface of the upper outer peripheral wall 72. And a downwardly uneven surface f2 formed on the lower surface of the projecting portion 73 for forming the downwardly uneven surface of the three annular rings.

  The upward concave / convex surface forming protrusions 64 are provided with three triangular concave portions 65 as shown in a developed view of FIG. 7 at predetermined intervals on both sides and a rear position of the lower outer peripheral wall 63, and an upper surface thereof. It is configured as an upwardly uneven surface f1. Further, the downward concavo-convex surface forming protrusions 73 protrude from both sides and the rear position of the upper outer peripheral wall 72, respectively, are formed with triangular plate-like protrusions 77 at the lower ends, and the lower surfaces thereof are configured as downward concavo-convex surfaces f2. . Then, by rotating the upper member C4b with respect to the lower member C4a, each triangular plate-like protrusion 77 rides on a flat surface between the respective triangular concave portions 65, and raises the upper member C4b with respect to the lower member C4a. Thus, the upper member C4b can be easily detached from the lower member C4a.

  In this example, the guide groove 13 of the mounting cap A and the vertical rib 66 of the lower member C4a are configured so that the lower member C4a can always move up and down at a predetermined position with respect to the mounting cap A. In addition, with the above-described configuration of the upward and downward uneven surface f1 and the downwardly uneven surface f2, the upward and downward uneven surface f1 and the downward uneven surface f2 are formed on a part of each of the lower member C4a and the upper member C4b. Therefore, when the removed upper member C4b is fitted to the lower member C4b, the nozzle 74 is configured to always face the mounting cap A in a predetermined direction, for example, the front.

  In this example, as described above, a plurality of triangular concave portions 65 are provided at three positions of the upward convex and concave surface forming projections 64, as indicated by hatching in FIG. In the explanation, a plurality of triangular plate-like protrusions 77 are provided at three positions of the upward convex / concave surface forming protrusions 64 as indicated by oblique lines. The triangular recesses 65 and the triangular plate projections 77 may be continuously provided over the entire circumference. Further, a single protrusion and recess may be provided within a range that satisfies the above requirements, and the upper surface and the lower surface of each may be the upward uneven surface f1 and the downward uneven surface f2. Although not shown, it is also possible to provide such an upward uneven surface f1 and a downward uneven surface f2 on the upper surface of the lower outer peripheral wall 63 and the lower surface of the upper outer peripheral wall 72. Further, the shapes of the upward concavo-convex surface f1 and the downward concavo-convex surface f2 are not limited to the triangular shape described above, and the downward concavo-convex surface f2 is formed on the upward concavo-convex surface f1 by rotating the upper member C4b with respect to the lower member C4a. Various shapes can be adopted as long as the shape can slide up and raise the upper member C4b relative to the lower member C4a. For example, the shapes of the corrugated upwardly uneven surface f1 and the downwardly uneven surface f2 may be used. .

  The cover cap E is detachably fitted to the upper periphery of the mounting cap A so that the lower end of the peripheral wall is detachable and covers the ejection head C4.

  When the foam discharger 1 removes the cover cap E from the state of FIG. 1 and pushes down the discharge head C4, the air piston C3 rises relative to the stem C2 and the air discharge valve 49 opens and descends. Air in the air cylinder 20 is pressurized by the air piston C3 and is introduced into the gas-liquid mixing chamber R through the air supply path p. On the other hand, the liquid cylinder 21 is lowered and lowered until the poppet valve body D is brought into contact with the valve seat 22 for the suction valve, and the poppet valve body D is relatively lifted with respect to the stem C2 to check valve. 82 opens, the pressurized liquid in the liquid cylinder 21 is introduced into the gas-liquid mixing chamber R through the discharge valve 37, and the gas-liquid is mixed here. At this time, the poppet valve body D rises relative to the stem C2. The gas-liquid mixed in the gas-liquid mixing chamber R passes through the mesh 76a, foams, and is discharged to the outside from the nozzle 74 of the discharge head C4.

  When the pressure of the discharge head C4 is released, the actuating member C is lifted by the biasing force of the coil spring s. At this time, the air piston C3 is lowered relative to the stem C2, and the air discharge valve 49 is closed. Due to the negative pressure in the cylinder 20, the outside air introduction valve 48 is opened and outside air is introduced into the air cylinder 20. On the other hand, the poppet valve body D is lifted by the frictional force of the check valve 82 and each of the vertical protrusions 38 due to the rise of the stem C2, and the suction valve 83 is opened to bring the negative pressure into the liquid cylinder 21. In this case, the discharge valve 37 is closed. The poppet valve body D rises until its locking projection 80 comes into contact with the lower surface of the coil spring s. Thereafter, the check valve body 81 comes into contact with the valve seat 32 for the check valve with respect to the stem C2. Relatively descends.

  In the present invention, the ejection head C4 is composed of the lower member C4a and the upper member described above, and is provided with easy detachment means, so that the upper member C4b can be removed as shown in FIG. It is. In the case of mounting, if the upper member C4b is rotated while the vertical cylinder 70 is fitted to the support cylinder 61 from above the lower member C4a, the upward concave / convex surface f2 can be easily fitted to the upward concave / convex surface f1 to enable easy mounting. It becomes.

DESCRIPTION OF SYMBOLS 1: Foam discharge device A: Mounting cap 10 ... Perimeter wall, 11 ... Top wall, 12 ... Guide cylinder, 13 ... Guide groove B: Cylinder member 20 ... Cylinder for air, 21 ... Cylinder for liquid, 22 ... Valve for suction valve seat,
DESCRIPTION OF SYMBOLS 23 ... Pipe fitting cylinder, 24 ... Pipe for suction, 25 ... Locking rib C: Actuating member C1: Piston for liquid 30 ... Fitting cylinder part, 31 ... Sliding part, 32 ... Valve seat for check valve C2: Stem 35 ... Valve seat for discharge valve, 36 ... Ball valve body, 37 ... Discharge valve, 38 ... Vertical projection,
39 ... Valve seat for the air discharge valve, 40 ... Vertical projection,
C3: Piston 45 for air ... Cylindrical valve part, 46 ... Stepped partition, 47 ... Sliding part, 48 ... Outside air introduction valve,
49 ... Air discharge valve C4: Discharge head C4a: Lower member 55 ... Fitting cylinder, 56 ... Flange, 57 ... Inner cylinder, 58 ... Annular recess,
60 ... restriction projection, 61 ... support cylinder, 62 ... connection rib, 63 ... lower outer peripheral wall,
64: Upward convex / concave surface forming projection, 65 ... Triangular concave portion, 66 ... Vertical rib C4b: Upper member 70 ... Vertical cylinder, 71 ... Top plate, 72 ... Upper outer peripheral wall, 73 ... Downward convex / concave surface forming projection, 74 ... Nozzle, 75 ... Discharge port, 76 ... Foaming member, 76a ... Mesh, 76b ... Cylinder,
77 ... Triangular plate projection D: Poppet valve body 80 ... Locking projection, 81 ... Check valve body, 82 ... Check valve, 83 ... Suction valve E: Cover cap s: Coil spring p: Air supply path f1: Upward uneven surface f2: Downward uneven surface R: Gas-liquid mixing chamber 100: Container body 101.

Claims (7)

  1.   The upper end portion is fixed to the mounting cap (A) fitted to the outer periphery of the mouth / neck portion (101) of the container body (100) and suspended in the container body (100), and a large-diameter air cylinder (20) and A cylinder member (B) formed by concentrically connecting small-diameter liquid cylinders (21) vertically, and a liquid piston (C1) sliding in the liquid cylinder (21) are connected to the lower part of the outer periphery of the stem (C2). The air piston (C3) sliding in the air cylinder (20) is linked to the upper periphery of the stem (C2), and the discharge head (C4) is fitted to the upper end of the stem (C2). And an actuating member (C) mounted so as to be vertically movable in an upward biased state, and the liquid in the liquid cylinder (21) and the air in the air cylinder (20) are merged by the vertical movement of the actuating member (C). Let it foam through the foaming member (76) and discharge A foam discharge device configured to discharge from the discharge port of the lid (C4), and the discharge head (C4) is fitted and fixed to the upper end of the stem (C2) and is connected to the stem (C2). The lower member (C4a) that stands up (61) and the vertical cylinder (70) communicating with the discharge port (75) are detachably fitted in the support cylinder (61), and the vertical cylinder (70) It comprises an upper member (C4b) provided with a foaming member (76) at the inner and lower end portions, and includes an easy detaching means for the upper member (C4b) between the lower member (C4a) and the upper member (C4b), The easy detachment means for the upper member (C4b) is formed with an upwardly uneven surface (f1) on the lower member (C4a) and a downwardly uneven surface (f2) that fits the upwardly uneven surface (f1) on the upper member (C4b). Then, the upper member (C4b) is turned upward by rotating the upper member (C4b) with respect to the lower member (C4a). Convex surface (f1) downward uneven surface on the (f2) increases slides, foam dispenser, characterized in that it comprises a mechanism for raising the upper member (C4b) relative to the lower member (C4a).
  2.   The lower member (C4a) is fitted to the upper end of the inner periphery of the stem (C2) via a flange (56) extending inwardly from the upper end of the fitting tube (55) fitted to the upper end of the outer periphery of the stem (C2). The inner cylinder (57) to be joined is suspended, the support cylinder (61) is erected on the flange (56), and the lower outer peripheral wall (63) is supported on the outer side of the support cylinder (61). (C4b) includes a vertical cylinder (70) fitted in an airtight and liquid-tight manner in the support cylinder (61), suspended from the back surface of the top plate (71), and a lower outer peripheral wall ( 63) An upper outer peripheral wall (72) is vertically suspended on the upper end of the vertical cylinder (70), and a nozzle (74) is extended from the upper end of the vertical cylinder (70). And an upward uneven surface (f1) formed on the lower outer peripheral wall (63) and a downward uneven surface (f2) formed on the upper outer peripheral wall (72). Foam dispenser according to claim 1 which is.
  3.   As an easy detaching means for the upper member (C4b), an upward uneven surface (f1) formed on the upper surface of the upward uneven surface forming protrusion (64) protruding from the inner surface of the lower outer peripheral wall (63), and an upper outer peripheral wall (72 The foam discharger according to claim 2, comprising a downward uneven surface (f2) formed on the lower surface of the downward uneven surface forming protrusion (73) provided on the inner surface.
  4.   As an easy detaching means for the upper member (C4b), it is composed of an upward uneven surface (f1) formed on the upper surface of the lower outer peripheral wall (63) and a downward uneven surface (f2) formed on the lower surface of the upper outer peripheral wall (72). Item 3. The foam discharger according to Item 2.
  5.   The foam discharger according to any one of claims 1 to 4, wherein the upwardly uneven surface (f1) and the downwardly uneven surface (f2) are each formed in an annular shape.
  6.   The lower member (C4a) is configured to always move up and down at a predetermined position with respect to the mounting cap (A), and the upward uneven surface (f1) and the downward uneven surface (f1) fitted to the upward uneven surface (f1) ( f2) is formed on a part of each of the lower member (C4a) and the upper member (C4b), and when the upper member (C4b) is fitted to the lower member (C4b), the nozzle (74) is mounted. The foam discharger according to any one of claims 1 to 4, wherein the foam discharger is configured to always face a predetermined direction with respect to the cap (A).
  7.   7. The mesh according to claim 1, wherein a mesh (76 a) is stretched on an end face of a cylindrical body (76 b) fitted as a foaming member (76) to the lower end of the vertical cylinder (70). Foam dispenser.
JP2011260925A 2011-11-29 2011-11-29 foam dispenser Active JP5791079B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015009840A (en) * 2013-06-28 2015-01-19 株式会社吉野工業所 Foam pump
JP2015030461A (en) * 2013-07-31 2015-02-16 株式会社吉野工業所 Pump
WO2016047086A1 (en) * 2014-09-22 2016-03-31 キャニヨン株式会社 Push-type pump dispenser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4713336U (en) * 1971-03-12 1972-10-17
US20050115988A1 (en) * 2003-12-01 2005-06-02 Brian Law Multiple liquid foamer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4713336U (en) * 1971-03-12 1972-10-17
US20050115988A1 (en) * 2003-12-01 2005-06-02 Brian Law Multiple liquid foamer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015009840A (en) * 2013-06-28 2015-01-19 株式会社吉野工業所 Foam pump
JP2015030461A (en) * 2013-07-31 2015-02-16 株式会社吉野工業所 Pump
WO2016047086A1 (en) * 2014-09-22 2016-03-31 キャニヨン株式会社 Push-type pump dispenser
JP2016064835A (en) * 2014-09-22 2016-04-28 キャニヨン株式会社 Push-type pump dispenser
CN107000905A (en) * 2014-09-22 2017-08-01 佳尼雍株式会社 Push-type pump dispenser
US10220400B2 (en) 2014-09-22 2019-03-05 Canyon Corporation Push pump dispenser

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