WO2024117208A1 - Unité pour position verticale inversée - Google Patents

Unité pour position verticale inversée Download PDF

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Publication number
WO2024117208A1
WO2024117208A1 PCT/JP2023/042842 JP2023042842W WO2024117208A1 WO 2024117208 A1 WO2024117208 A1 WO 2024117208A1 JP 2023042842 W JP2023042842 W JP 2023042842W WO 2024117208 A1 WO2024117208 A1 WO 2024117208A1
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WO
WIPO (PCT)
Prior art keywords
inverted
switching valve
upright
inlet
cylinder
Prior art date
Application number
PCT/JP2023/042842
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English (en)
Japanese (ja)
Inventor
宏太郎 藤原
信也 前田
Original Assignee
株式会社吉野工業所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2023047074A external-priority patent/JP2024079531A/ja
Application filed by 株式会社吉野工業所 filed Critical 株式会社吉野工業所
Publication of WO2024117208A1 publication Critical patent/WO2024117208A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle

Definitions

  • the present invention relates to an inverted stand unit.
  • This application claims priority to Japanese Patent Application No. 2022-191685 filed in Japan on November 30, 2022, and Japanese Patent Application No. 2023-047074 filed in Japan on March 23, 2023, the contents of which are incorporated herein by reference.
  • a configuration is known in which a normal/inverted unit that is attached to the cylinder portion of a dispenser includes an upright inlet that can introduce the content liquid in the container body into the content liquid inlet of the cylinder portion when the dispenser is upright, an inverted inlet that can introduce the content liquid in the container body into the content liquid inlet when the dispenser is inverted, an intermediate port that can communicate with the content liquid inlet, the upright inlet, and the inverted inlet, a first switching valve that abuts against the upright valve seat when the dispenser is upright to block communication between the inlet and the intermediate port, and a second switching valve that abuts against the inverted valve seat when the dispenser is inverted to block communication between the upright inlet and the intermediate port.
  • the present invention aims to provide an inverted container unit that can smoothly introduce the liquid contents in the container body into the cylinder section.
  • the first aspect of the present invention is a unit for upright and inverted position that is attached to a cylinder portion of a dispenser, the unit comprising: an upright inlet port that can introduce the content liquid in the container body into the content liquid inlet port of the cylinder portion when the dispenser is upright; an inverted inlet port that can introduce the content liquid in the container body into the content liquid inlet port when the dispenser is inverted; a relay port that can communicate with the content liquid inlet port, the upright inlet port, and the inverted inlet port; a first switching valve that abuts against an upright valve seat when the dispenser is upright, blocking communication between the inverted inlet port and the relay port;
  • the unit for normal inversion is provided with at least one of the following restricting parts: a second switching valve that contacts the inverted valve seat when the dispenser is inverted to block communication between the inlet when the dispenser is inverted and the relay port; a first restricting part that restricts the second switching valve from entering a first path along which the content liquid travels from the inlet when the dispenser is
  • the normal/inverted unit includes at least one of a first suppressing portion that suppresses the second switching valve from entering a first path along which the content liquid flows from the inlet in the normal position to the relay port when the dispenser is in the normal position, and a second suppressing portion that suppresses the first switching valve from entering a second path along which the content liquid flows from the inlet in the normal position to the relay port when the dispenser is in the inverted position.
  • the second aspect of the present invention is the inverted normal unit of the first aspect, further comprising an outer tube member that is fitted to the cylinder portion and has a lower end opening that serves as the upright inlet, a topped cylindrical covering portion that protrudes upward and covers the upright inlet from above on the inner surface of the outer tube member at the periphery of the opening of the upright inlet, a side opening that opens radially and connects the upright inlet to the inside of the outer tube member is formed on the peripheral wall of the covering portion, and the first preventing portion that prevents the second switching valve from entering the first path when the dispenser is upright protrudes upward from the top wall of the covering portion.
  • a side opening is formed in the peripheral wall of the covering portion that connects the inlet and the inside of the outer tube member when in the upright position, and the first preventing portion protrudes upward from the top wall of the covering portion.
  • the third aspect of the present invention is a unit for inverted rotation of the second aspect, in which the first restraining portion has a surface formed in a plate shape that faces the side where the side opening is open in the radial direction when viewed from above and below, the inlet portion of the first path is between the part of the inner peripheral surface of the outer tube member that faces the side opening and the surface of the first restraining portion in the radial direction and the side opening and the surface of the first restraining portion, and a guide portion is provided on the inside of the outer tube member to guide the second switching valve that is about to enter the inlet portion to the back side of the first restraining portion when the dispenser is upright.
  • a guide portion is provided on the inside of the outer tube member to guide the second switching valve, which is attempting to enter the inlet portion of the first path when the dispenser is upright, to the rear side of the first preventing portion. This makes it possible to reliably prevent the second switching valve from entering the first path.
  • the fourth aspect of the present invention is a unit for upright/inverted position according to any one of the first to third aspects, further comprising at least one of a first retraction recess for inserting the second switching valve when the dispenser is upright and releasing the second switching valve in a direction intersecting the opening direction of the inlet when upright with respect to the first path on the opposite side of the valve seat when upright and with respect to the first path, and a second retraction recess for inserting the first switching valve when the dispenser is inverted and releasing the first switching valve in a direction intersecting the opening direction of the inlet when upright with respect to the second path on the opposite side of the valve seat when upright and with respect to the second path.
  • the unit for normal and inverted position has at least one of a first retraction recess, which, when the dispenser is in the normal position, causes the second switching valve to enter and release the second switching valve, relative to the first path, on the opposite side of the valve seat in the upright position and in a direction intersecting the opening direction of the inlet in the upright position, and a second retraction recess, which, when the dispenser is inverted, causes the first switching valve to enter and release the first switching valve, relative to the second path, on the opposite side of the valve seat in the upright position and in a direction intersecting the opening direction of the inlet in the upright position.
  • the fifth aspect of the present invention is a normal/inverted unit according to the first aspect, in which the upright valve seat faces upward, the inverted valve seat faces downward, the at least one of the restricting parts is formed in a cylindrical shape extending in the vertical direction and faces at least one of the upright valve seat and the inverted valve seat in the vertical direction, and at least one of the first and second switching valves enters and is accommodated inside the at least one of the restricting parts when it moves away from the at least one of the valve seats in the vertical direction.
  • the first and second switching valves when at least one of the first and second switching valves moves away from the valve seat in the vertical direction, it enters and is accommodated inside the at least one of the stopper parts.
  • the sixth aspect of the present invention is a unit for inverted and normal rotation of the fifth aspect, in which the at least one of the restricting parts is the first restricting part and the second restricting part, the second restricting part is vertically opposed to the valve seat when in the normal position and is located at a position where the first switching valve enters inward and is accommodated when the dispenser is inverted, and is vertically opposed to the valve seat when in the inverted position and is located at a position where the second switching valve enters inward and is accommodated when the dispenser is in the normal position.
  • the at least one of the restricting parts is the first restricting part and the second restricting part
  • the second restricting part is provided at a position vertically facing the valve seat in the upright position and where the first switching valve enters and is accommodated when the dispenser is inverted
  • the first restricting part is provided at a position vertically facing the valve seat in the inverted position and where the second switching valve enters and is accommodated when the dispenser is in the upright position.
  • the restraining portion is provided at both of the aforementioned positions, the two parts provided at each of the aforementioned positions and equipped with the restraining portion can easily be made to be the same shape and size.
  • the liquid contents in the container body can be smoothly introduced into the cylinder portion.
  • FIG. 1 is a vertical sectional view of a dispenser having a normal/inverted unit shown as a first embodiment according to the present invention.
  • FIG. 2 is an enlarged view of the inverted stand unit of FIG. 1 .
  • 3 is a cross-sectional view taken along line III-III in FIG. 2.
  • FIG. 3 is a diagram showing the dispenser in FIG. 2 when inverted.
  • FIG. 11 is a vertical sectional view of a dispenser having an inverted normal unit shown as a second embodiment according to the present invention.
  • FIG. 6 is an enlarged view of the inverted stand unit of FIG. 5 .
  • FIG. 7 is a diagram showing the dispenser in FIG. 6 when inverted.
  • the normal/inverted unit 1 constitutes a part of a dispenser 10 including a pump 11 , a discharge head 12 , a push-down member 13 , and an attachment cap 14 .
  • the pump 11, the discharge head 12, the push-down member 13, and the mounting cap 14 will be described.
  • the pump 11 includes a cylinder portion 21, a piston portion 22, a first biasing member 23, and a lower valve body 24.
  • the liquid content in the container body W is introduced into the cylinder portion 21 through the liquid content inlet 21f due to a decrease in internal pressure caused by an increase in the internal volume of the cylinder portion 21, and the liquid content in the cylinder portion 21 is sent to the discharge head 12 due to an increase in internal pressure caused by a decrease in the internal volume of the cylinder portion 21.
  • the cylinder portion 21, the piston portion 22, and the first biasing member 23 are each formed in a cylindrical shape, and are disposed coaxially with a common axis.
  • the common axis is referred to as axis O
  • the ejection head 12 side along the axis O direction is referred to as the upper side
  • the inverted unit 1 side along the axis O direction is referred to as the lower side
  • the direction along the axis O is referred to as the up-down direction.
  • the direction intersecting the axis O when viewed from the up-down direction is referred to as the radial direction
  • the direction going around the axis O when viewed from the up-down direction is referred to as the circumferential direction.
  • the cylinder portion 21 is inserted into the mouth portion W1 of the container body W in which the liquid content is contained.
  • a flange portion 21a that protrudes radially outward is formed on the cylinder portion 21.
  • the flange portion 21a is placed on the upper opening edge of the mouth portion W1 via a packing.
  • a first connecting tube portion 21b that protrudes upward is formed on the flange portion 21a.
  • the first connecting tube portion 21b is disposed coaxially with the axis O.
  • the piston portion 22 comprises a sliding portion 22a having a topped cylindrical shape with an annular top wall, and a tubular portion 22b extending upward from the inner peripheral edge of the top wall of the sliding portion 22a.
  • the sliding portion 22a is fitted into the cylinder portion 21 so as to be able to slide up and down.
  • the tubular portion 22b is inserted into the first connecting tubular portion 21b, and the upper end portion of the tubular portion 22b protrudes upward from the first connecting tubular portion 21b.
  • the upper end of the first biasing member 23 is inserted into the sliding portion 22a and abuts against the underside of the top wall of the sliding portion 22a.
  • the lower end of the first biasing member 23 abuts against an upwardly facing step formed on the inner circumferential surface of the cylinder portion 21.
  • the first biasing member 23 is a coil spring that extends in the vertical direction.
  • the lower valve body 24 is, for example, a ball valve, and is provided within the lower end of the cylinder section 21.
  • a valve seat portion 21e is formed on the inner peripheral surface of the lower end of the cylinder section 21, protruding radially inward and tapering in diameter as it extends downward.
  • the lower end opening of the valve seat portion 21e serves as a liquid content inlet port 21f through which the liquid content in the container body W is introduced into the cylinder section 21.
  • the lower valve body 24 is placed on the upper surface of the valve seat portion 21e so that it can be freely separated upward.
  • the lower valve body 24 is a check valve that blocks communication between the inside of the container body W and the inside of the cylinder section 21 when the inside of the cylinder section 21 is pressurized, but allows communication between the inside of the container body W and the inside of the cylinder section 21 when the inside of the cylinder section 21 is depressurized.
  • the mounting cap 14 is attached to the mouth portion W1.
  • the mounting cap 14 is formed in a topped cylindrical shape with an annular top wall, and the first connecting tube portion 21b is inserted inside the top wall.
  • the flange portion 21a is sandwiched and fixed in the vertical direction between the underside of the top wall and the upper opening edge of the mouth portion W1.
  • the push-down member 13 includes a support portion 25 and a lever portion 26 .
  • the support portion 25 includes a topped cylindrical second connecting cylinder portion 25a fitted onto the outside of the first connecting cylinder portion 21b, and a protruding portion 25b protruding upward from the second connecting cylinder portion 25a.
  • the top wall of the second connecting cylinder portion 25a is formed in an annular shape, and the cylinder portion 22b of the piston portion 22 is inserted inside.
  • the upper end portion of the cylinder portion 22b protrudes upward from the second connecting cylinder portion 25a.
  • the protruding portion 25b is radially spaced from the axis O.
  • the rear side the side where the protruding portion 25b is away from the axis O
  • the opposite side will be referred to as the front side.
  • the rear portion of the lever portion 26 extends forward from the upper end of the protruding portion 25b and straddles the axis O in the front-to-rear direction.
  • the front portion of the lever portion 26 extends downward from the front end of the rear portion of the lever portion 26.
  • the lever portion 26 is provided so as to be rotatable in the up-down direction around the upper end of the protruding portion 25b.
  • the lever portion 26 has an engagement portion 26a that engages with the ejection head 12. When the lever portion 26 rotates downward around the upper end of the protruding portion 25b, the engagement portion 26a presses down on the ejection head 12.
  • a restricting member 31 is attached to the support portion 25 and is movable between a restricting position that restricts the downward rotation of the lever portion 26 and a permitting position that permits the downward rotation of the lever portion 26.
  • the ejection head 12 includes a main body portion 27 , a pressure accumulator valve 28 , and a second biasing member 29 .
  • the main body 27 includes a horizontal tube 12a extending in the radial direction and a vertical tube 12b extending downward from the horizontal tube 12a.
  • the horizontal tube 12a extends in the front-rear direction and penetrates the front part of the lever part 26 in the front-rear direction.
  • a discharge hole 12c opening forward is formed in the front end part of the horizontal tube 12a.
  • the vertical tube 12b extends downward from the rear part of the horizontal tube 12a.
  • the vertical tube 12b is fitted onto the cylindrical part 22b of the piston part 22.
  • the accumulator valve 28 is provided in the horizontal cylinder 12a and blocks communication between the inside of the vertical cylinder 12b and the discharge hole 12c.
  • the accumulator valve 28 is provided in the rear part of the horizontal cylinder 12a so as to be movable forward and backward, and is biased forward by a second biasing member 29.
  • the accumulator valve 28 moves rearward against the biasing force of the second biasing member 29. This allows communication between the inside of the vertical cylinder 12b and the discharge hole 12c, and the content liquid is discharged from the discharge hole 12c.
  • the normal inversion unit 1 is attached to the cylinder section 21.
  • the normal inversion unit 1 includes a first switching valve 61, a second switching valve 62, an outer cylinder member 63, an inner cylinder member 64, and a flow path forming member 65.
  • the outer cylinder member 63 and the inner cylinder member 64 are arranged coaxially with the axis O.
  • the flow path forming member 65 has an inverted inlet 65a that can introduce the liquid contents in the container body W into the liquid contents inlet 21f of the cylinder section 21 when the dispenser 10 is inverted.
  • the flow path forming member 65 is formed in a bottomed cylindrical shape and is fitted onto the lower end of the cylinder section 21.
  • a sealing tube section 65c that protrudes downward is formed on the outer periphery of the bottom wall section of the flow path forming member 65.
  • the outer cylinder member 63 is fitted to the cylinder portion 21 via a flow path forming member 65.
  • the outer cylinder member 63 has an upright inlet 63a through which the content liquid in the container body W can be introduced into the content liquid inlet 21f of the cylinder portion 21 when the dispenser 10 is upright, and an intake hole 63c through which the content liquid in the container body W can be introduced into the inverted inlet 65a when the dispenser 10 is inverted.
  • the upright inlet 63a and the intake hole 63c open into the container body W.
  • the intake hole 63c and the inverted inlet 65a are located higher than the upright inlet 63a when the dispenser 10 is in the upright position.
  • the outer tube member 63 is formed in a multi-stage tube shape that gradually reduces in diameter as it goes downward.
  • the outer tube member 63 is composed of a first outer tube portion 71, a second outer tube portion 72, a third outer tube portion 73, and a fourth outer tube portion 74, which are connected in this order from top to bottom.
  • the first outer cylinder portion 71 surrounds the outer peripheral surface of the flow path forming member 65 with a radial gap.
  • An annular gap extending in the circumferential direction is provided between the outer peripheral surface of the flow path forming member 65 and the inner peripheral surface of the first outer cylinder portion 71.
  • An inverted introduction port 65a opens in this gap.
  • the upper end opening of the first outer cylinder portion 71 serves as an intake hole 63c.
  • a seal cylinder portion 65c of the flow path forming member 65 is tightly fitted into the lower end portion of the first outer cylinder portion 71.
  • the first outer tube portion 71 may have only a lower end portion fitted onto the sealing tube portion 65c, no portion located above the lower end portion, and no intake hole 63c, and the inlet 65a when inverted may be opened into the container body W.
  • a relay port 64 c of the inner cylinder member 64 which will be described later, opens into the second outer cylinder portion 72 .
  • the lower end of the inner cylinder member 64 is tightly fitted into the upper end of the third outer cylinder portion 73.
  • the lower end opening of the third outer cylinder portion 73 serves as an upright position introduction port 63a that opens in the vertical direction.
  • the second switching valve 62 is movably housed within the third outer cylinder portion 73.
  • the second switching valve 62 is, for example, a ball valve.
  • the upper end of the suction cylinder 67 is fitted into the fourth outer cylinder portion 74.
  • the lower end of the suction cylinder 67 is located at the bottom of the container body W.
  • the upright inlet 63a communicates with the inside of the container body W through the suction cylinder 67.
  • a configuration may be adopted in which the fourth outer cylinder portion 74 is not provided and the upper end of the suction cylinder 67 is connected to, for example, the third outer cylinder portion 73.
  • the inner cylinder member 64 has a lower end opening 64a that communicates with the upright inlet 63a, an upper end opening 64b that communicates with the inlet 65a when inverted, and a relay port 64c that can communicate with the content liquid inlet 21f, the upright inlet 63a, and the inverted inlet 65a.
  • the relay port 64c is connected to the content liquid inlet 21f, the upright inlet 63a, and the inverted inlet 65a separately through different flow paths.
  • the inner cylinder member 64 is formed in a gourd shape with the vertical middle portion narrowed radially inward. The upper end of the inner cylinder member 64 is connected to the bottom wall of the flow path forming member 65.
  • the inner cylinder member 64 is composed of a first inner cylinder portion 76, a second inner cylinder portion 77, and a third inner cylinder portion 78, which are connected in this order from top to bottom.
  • the upper end opening of the first inner cylinder portion 76 constitutes the upper end opening 64b of the inner cylinder member 64.
  • An upright valve seat 64d facing upward is formed on the inner circumferential surface of the lower portion of the first inner cylinder portion 76.
  • the upright valve seat 64d extends radially inward as it extends downward.
  • the first switching valve 61 enters the second path L2 described later and abuts against the upright valve seat 64d to block communication between the inverted inlet 65a and the relay port 64c.
  • the first switching valve 61 is disposed above the upright valve seat 64d.
  • the first switching valve 61 is, for example, a ball valve, and abuts against the upright valve seat 64d in an upwardly releasable manner.
  • the second inner cylinder portion 77 constitutes the narrowed portion of the inner cylinder member 64.
  • the second inner cylinder portion 77 has multiple radially penetrating relay ports 64c formed at intervals in the circumferential direction.
  • the lower end opening of the third inner cylinder portion 78 constitutes the lower end opening 64a of the inner cylinder member 64.
  • the lower end of the third inner cylinder portion 78 is fitted into the upper end of the third outer cylinder portion 73 of the outer cylinder member 63.
  • An inverted valve seat 64e facing downward is formed on the inner circumferential surface of the upper part of the third inner cylinder portion 78.
  • the inverted valve seat 64e extends radially inward as it extends upward.
  • the second switching valve 62 is disposed below the inverted valve seat 64e.
  • the second switching valve 62 is disposed so as to be able to abut against the inverted valve seat 64e from below.
  • the second switching valve 62 enters a first path L1 (described later) and abuts against the inverted valve seat 64e to block communication between the upright inlet 63a and the relay port 64c.
  • the inverted valve seat 64e is formed with a sticking prevention portion 64f for preventing the second switching valve 62 from sticking.
  • the sticking prevention portion 64f may be a groove or rib radially provided on the inverted valve seat 64e, but may be changed as appropriate as long as it is an unevenness that can prevent the second switching valve 62 from sticking.
  • the sticking prevention portion 64f may not be formed on the inverted valve seat 64e.
  • the inner cylinder member 64 may be formed in a vertically symmetrical shape, and when the dispenser 10 is inverted, the sealing property between the second switching valve 62 and the inverted valve seat 64e is improved, and the communication between the upright inlet 63a and the relay port 64c can be reliably blocked.
  • a plug portion (topped cylindrical portion) 65b and a common flow path 68 are formed on the bottom wall of the flow path forming member 65.
  • the plug portion 65b is provided radially inward from the sealing tube portion 65c.
  • the plug portion 65b protrudes from the bottom wall portion of the flow path forming member 65 on both the up and down sides.
  • the portion of the plug portion 65b that protrudes downward from the bottom wall portion of the flow path forming member 65 is fitted into the upper end opening 64b of the inner tube member 64.
  • the plug portion 65b is formed in a topped tube shape extending in the up and down direction.
  • An inverted inlet 65a is formed in a portion of the peripheral wall of the plug portion 65b that is located below the upper end.
  • the inverted inlet 65a extends radially, penetrates the bottom wall portion of the flow path forming member 65 in the radial direction, opens on the inner peripheral surface of the plug portion 65b and the outer peripheral surface of the flow path forming member 65, and communicates with the intake hole 63c.
  • the common flow path 68 communicates between the content liquid inlet 21f and the relay port 64c of the cylinder portion 21.
  • the common flow path 68 vertically penetrates a portion of the bottom wall portion of the flow path forming member 65 that is located between the stopper portion 65b and the sealing tube portion 65c, and opens into the flow path forming member 65.
  • the common flow path 68 opens toward the upper end opening edge of the first inner tube portion 76.
  • the upper end of the first inner cylinder 76 is inserted into the sealing cylinder 65c.
  • An annular gap extending in the circumferential direction is provided between the inner peripheral surface of the sealing cylinder 65c and the outer peripheral surface of the first inner cylinder 76.
  • the lower surface of the bottom wall portion of the flow path forming member 65 is spaced upward from the upper end opening edge of the first inner cylinder 76.
  • the annular gap between the inner peripheral surface of the sealing cylinder 65c and the outer peripheral surface of the first inner cylinder 76 communicates with the common flow path 68.
  • the inverted unit 1 has at least one of a stopper 75 (first stopper) that stops the second switching valve 62 from entering the first path L1 along which the content liquid flows from the inlet 63a when the dispenser 10 is in the upright position to the relay port 64c when the dispenser 10 is in the upright position, and a stopper (second stopper) that stops the first switching valve 61 from entering the second path L2 along which the content liquid flows from the inlet 65a when the dispenser 10 is inverted to the relay port 64c when the dispenser 10 is inverted.
  • the latter inhibiting portion (second inhibiting portion) for the first switching valve 61 is provided in the plug portion 65b.
  • the latter inhibiting portion (second inhibiting portion) for the first switching valve 61 is a retraction recess 69 (second retraction recess) described later.
  • a cylindrical covering portion 51 with a top is formed on the inner surface of the outer tube member 63 at the periphery of the opening of the upright inlet 63a, protruding upward and covering the upright inlet 63a from above.
  • a side opening 51a is formed in the peripheral wall of the covering portion 51, opening in the radial direction and communicating the upright inlet 63a with the inside of the third outer tube portion 73.
  • the stopper portion 75 for the second switching valve 62 described above protrudes upward from the top wall of the covering portion 51.
  • the amount of protrusion of the suppression portion 75 (first suppression portion) upward from the top wall of the covering portion 51 is equal to the outer diameter of the second switching valve 62.
  • the suppression portion 75 is formed in a plate shape with a surface facing the radial side where the side opening 51a is open when viewed from the top-bottom direction.
  • the suppression portion 75 is located at the end of the top wall of the covering portion 51 on the radial side where the side opening 51a is open.
  • the surface of the suppression portion 75 is located on the same line as the opening surface of the side opening 51a. Because the suppression portion 75 is formed in a plate shape as described above, it is possible to reduce space constraints compared to, for example, a configuration in which the suppression portion 75 is formed in a cylindrical shape that extends continuously around the entire circumference.
  • the distance between the back surface of the suppression portion 75 and a portion of the inner circumferential surface of the third outer tube portion 73 that faces radially the back surface of the suppression portion 75 (first suppression portion) is larger than the outer diameter of the second changeover valve 62.
  • the distance between the back surface of the suppression portion 75 and a portion of the inner circumferential surface of the third outer tube portion 73 that faces radially the outer circumferential surface of the peripheral wall of the covering portion 51 is smaller than the outer diameter of the second changeover valve 62.
  • the second switching valve 62 When the dispenser 10 is in the upright position, the second switching valve 62 is located in a space (i.e., the retraction recess 90) surrounded by the back surface of the restraining portion 75, the upper surface of the top wall of the covering portion 51, and the inner surface of the third outer tube portion 73.
  • the distance between the portion of the inner surface of the third outer tube portion 73 that radially faces the side opening 51a and the surface of the restraining portion 75 (first restraining portion) and the side opening 51a and the surface of the restraining portion 75 is larger than the outer diameter of the second switching valve 62.
  • the guide portion 52 protrudes radially inward from a portion of the inner circumferential surface of the third outer tube portion 73 that faces radially the side opening 51a and the surface of the restraining portion 75 (first restraining portion).
  • the guide portion 52 extends upward from the lower end of the third outer tube portion 73.
  • the upper end of the guide portion 52 is located above the upper end of the restraining portion 75 and abuts against the lower end of the inner tube member 64 in the vertical direction.
  • the upper end of the guide portion 52 extends radially outward as it extends upward.
  • the guide portion 52 is formed in a plate shape with the front and back surfaces facing the circumferential direction. As shown in FIG. 3, the guide portion 52 is provided on both sides of the inner circumferential surface of the third outer tube portion 73 that sandwich the portion that faces radially the circumferential center of the side opening 51a and the restraining portion 75.
  • a retraction recess 90 (first retraction recess) that, when the dispenser 10 is in the upright position, causes the second switching valve 62 to enter and release the second switching valve 62 from the first path L1 on the opposite side of the inverted valve seat 64e and in a direction intersecting the opening direction of the inlet 63a when in the upright position
  • a retraction recess 69 (second retraction recess and second inhibition portion) that, when the dispenser 10 is in the upright position, causes the first switching valve 61 to enter and release the first switching valve 61 from the second path L2 on the opposite side of the inverted valve seat 64d and in a direction intersecting the opening direction of the inlet 65a when in the upright position.
  • the former retraction recess 90 (first retraction recess) for the second switching valve 62 may be configured, for example, such that the gap between the portion of the inner circumferential surface of the third outer tube 73 that faces the outer circumferential surface of the peripheral wall of the covering portion 51 in the radial direction and the outer circumferential surface of the peripheral wall of the covering portion 51 is made larger than the outer diameter of the second switching valve 62, and this gap is recessed below the upright inlet 63a.
  • the portion inside the plug portion 65b that is located above the inverted inlet 65a is the evacuation recess 69 (second evacuation recess and second prevention portion) into which the first switching valve 61 enters when the dispenser 10 is inverted.
  • the first switching valve 61 that enters the evacuation recess 69 leaves the second path L2 in the vertical direction, that is, in the direction that intersects with the opening direction of the inverted inlet 65a from the second path L2.
  • the content liquid pressurized in the cylinder portion 21 rises inside the tube portion 22b of the piston portion 22 and flows into the rear part of the horizontal tube 12a through the vertical tube 12b of the discharge head 12, so that the rear part of the horizontal tube 12a is pressurized.
  • the pressure accumulator valve 28 moves rearward against the biasing force of the second biasing member 29, thereby connecting the inside of the vertical tube 12b to the discharge hole 12c, and the content liquid is discharged from the discharge hole 12c.
  • the piston portion 22 rises together with the discharge head 12 due to the upward biasing force of the first biasing member 23 .
  • This main flow path includes the inside of the flow path forming member 65, the common flow path 68, a gap between the lower surface of the bottom wall portion of the flow path forming member 65 and the upper end opening edge of the first inner cylinder portion 76, a gap between the inner surface of the sealing cylinder portion 65c and the outer surface of the first inner cylinder portion 76, a gap between the inner surface of the second outer cylinder portion 72 and the outer surface of the first inner cylinder portion 76, and a gap between the inner surface of the second outer cylinder portion 72 and the outer surface of the second inner cylinder portion 77.
  • the first switching valve 61 When the main flow path is depressurized, the first switching valve 61 is in close contact with the upright valve seat 64d when the dispenser 10 is in the upright position, and communication between the inverted inlet 65a and the relay port 64c is blocked. Therefore, the third inner cylinder 78 and the third outer cylinder 73 are depressurized through the relay port 64c and the second inner cylinder 77.
  • the second switching valve 62 is separated from the first path L1 of the contents flowing from the inlet 63a to the relay port 64c when in the upright position by the prevention portion 75. This prevents the contents flowing through the first path L1 from coming into contact with the second switching valve 62.
  • the first switching valve 61 moves away from the upright valve seat 64d due to its own weight, and the inlet 65a and the relay port 64c are connected, and the second switching valve 62 moves in close contact with the inverted valve seat 64e due to its own weight, blocking the connection between the upright inlet 63a and the relay port 64c.
  • This inverted flow path includes the inside of the second inner tube portion 77, the inside of the first inner tube portion 76, the inside of the plug portion 65b, the inverted inlet 65a, and a gap between the outer peripheral surface of the flow path forming member 65 and the inner peripheral surface of the first outer tube portion 71.
  • the first switching valve 61 When the dispenser 10 is inverted, the first switching valve 61 enters the plug portion 65b, reaches the retraction recess 69 (second retraction recess and second stopper portion) in the plug portion 65b, and abuts against the top wall of the plug portion 65b. At this time, the first switching valve 61 is vertically separated from the inlet port 65a when inverted. As a result, the first switching valve 61 is vertically separated from the second path L2 of the content liquid that flows from the inlet port 65a when inverted to the relay port 64c, preventing the content liquid flowing through the second path L2 from coming into contact with the first switching valve 61.
  • the normal inversion unit 1 is provided with at least one of the inhibiting portion 75 (first inhibiting portion) that inhibits the second switching valve 62 from entering the first path L1 when the dispenser 10 is in the normal position, and the inhibiting portion (second inhibiting portion) that inhibits the first switching valve 61 from entering the second path L2 when the dispenser 10 is inverted.
  • the inhibiting portion (second inhibiting portion) is the retraction recess 69 (second retraction recess).
  • a side opening 51a is formed in the peripheral wall of the covering portion 51, which connects the inlet 63a to the inside of the outer tube member 63 when in the upright position, and a stopper portion 75 (first stopper portion) protrudes upward from the top wall of the covering portion 51.
  • the second switching valve 62 is positioned in the space surrounded by the back surface of the stopper portion 75, the upper surface of the top wall of the covering portion 51, and the inner peripheral surface of the outer tube member 63 (i.e., the retreat recess 90), thereby reliably preventing the second switching valve 62 from entering the first path L1.
  • a guide portion 52 is provided on the inside of the outer tube member 63 to guide the second switching valve 62, which is attempting to enter the inlet portion of the first path L1 when the dispenser 10 is upright, to the back side of the prevention portion 75 (first prevention portion). This makes it possible to reliably prevent the second switching valve 62 from entering the first path L1.
  • the normal/inverted unit 1 has at least one of the following retraction recesses: a retraction recess 90 (first retraction recess) that, when the dispenser 10 is in the normal position, causes the second switching valve 62 to enter and release the second switching valve 62 in a direction intersecting the opening direction of the inlet 63a when in the normal position, on the opposite side of the inverted valve seat 64e with respect to the first path L1; and a retraction recess 69 (second retraction recess and second inhibition portion) that, when the dispenser 10 is in the inverted position, causes the first switching valve 61 to enter and release the first switching valve 61 in a direction intersecting the opening direction of the inlet 65a when in the normal position, on the opposite side of the inverted valve seat 64d with respect to the second path L2.
  • a retraction recess 90 first retraction recess
  • the retraction recess 69 (second retraction recess) is an inhibition portion (second inhibition portion). This prevents at least one of the following when the liquid contents in the container body W are introduced into the liquid contents inlet 21f: when the dispenser 10 is upright, the liquid contents flowing through the first path L1 comes into contact with the second switching valve 62, and the second switching valve 62 moves with the liquid contents flow toward the inverted valve seat 64e; and when the dispenser 10 is inverted, the liquid contents flowing through the second path L2 comes into contact with the first switching valve 61, and the first switching valve 61 moves with the liquid contents flow toward the upright valve seat 64d.
  • the flow path forming member 65 in which a common flow path 68 is formed that connects the content liquid inlet 21f and the relay port 64c, is provided with a stopper portion (topped cylindrical portion) 65b, and the portion inside the stopper portion 65b that is located above the inverted inlet 65a is an evacuation recess 69 (second evacuation recess and second stopper portion) into which the first switching valve 61 enters when the dispenser 10 is inverted.
  • the normal/inverted unit 2 constitutes a part of a discharger 110 including a pump 111 , a discharge head 112 , and an attachment cap 14 .
  • a pump 111 a pump 111 , a discharge head 112 , and an attachment cap 14 .
  • the pump 111 and the ejection head 112 will be described.
  • the pump 111 includes a cylinder portion 21, a piston portion 22, a first biasing member 23, a lower valve body 24, a lower support tube 81, a stem 82, and a pressure accumulation mechanism 120.
  • the lower support cylinder 81 and the stem 82 are arranged coaxially with the axis O.
  • the lower support cylinder 81 is fitted into the upper end portion of the cylinder portion 21 .
  • the stem 82 includes a stem tube 82a and an upper support tube 82b.
  • the upper support tube 82b is formed in a double-cylinder shape arranged coaxially with the axis O.
  • the upper support tube 82b surrounds the stem tube 82a.
  • the upper end of the upper support tube 82b is located lower than the upper end of the stem tube 82a.
  • the upper support tube 82b is connected to the stem tube 82a via a plurality of connecting pieces 82c arranged in the circumferential direction.
  • the first biasing member 23 surrounds the stem tube 82a and is sandwiched in the vertical direction between the upper support tube 82b and the lower support tube 81. As a result, the first biasing member 23 supports the stem 82 in an upward biased state so as to be movable downward.
  • the pressure accumulating mechanism 120 includes a pressure accumulating cylinder 121, a pressure accumulating piston 122, a pressure accumulating valve body 123, and a third biasing member 124. The pressure accumulating mechanism 120 supplementarily pressurizes the inside of the cylinder portion 21 when the content liquid in the cylinder portion 21 is sent toward the discharge hole 12c by the downward movement of the piston portion 22.
  • the accumulator cylinder 121 is provided above the sliding portion 22a of the piston portion 22 and is formed in a cylindrical shape arranged coaxially with the axis O.
  • the accumulator cylinder 121 and the piston portion 22 are formed integrally.
  • the accumulator cylinder 121 penetrates the lower support tube 81 in the vertical direction.
  • the lower end opening of the accumulator cylinder 121 is located inside the cylinder portion 21.
  • the lower end edge of the accumulator cylinder 121 is located below the lower support tube 81 and is connected to the sliding portion 22a of the piston portion 22.
  • the upper end of the accumulator cylinder 121 is inserted between the stem tube 82a and the upper support tube 82b.
  • a vertical gap is provided between the upper end edge of the accumulator cylinder 121 and the connecting piece 82c.
  • the accumulator cylinder 121 and the piston portion 22 may be formed as separate bodies.
  • the accumulator piston 122 is disposed between the accumulator cylinder 121 and the stem tube 82a.
  • the accumulator piston 122 is disposed coaxially with the axis O and is formed in a multi-stage cylindrical shape with the outer diameter of the piston at the top being smaller.
  • the piston small diameter portion 122a located at the top is inserted into the stem tube 82a through the lower end opening of the stem tube 82a, and the piston large diameter portion 122b located at the bottom is fitted into the accumulator cylinder 121.
  • the piston large diameter portion 122b slides closely in the up and down direction on the inner peripheral surface of the accumulator cylinder 121.
  • the piston large diameter portion 122b is located above the locking projection 121a formed on the inner peripheral surface of the accumulator cylinder 121.
  • the accumulator valve body 123 is disposed across the stem cylinder 82a and the accumulator piston 122.
  • the accumulator valve body 123 includes a column body 123a and a seat portion 123b.
  • the columnar body 123a is formed in a cylindrical shape arranged coaxially with the axis O.
  • the upper end of the columnar body 123a is fitted and fixed in the stem tube 82a.
  • the pressure accumulator valve body 123 can move up and down integrally with the stem 82.
  • a communication groove 82d is formed in the inner peripheral surface of the stem tube 82a in a portion where the columnar body 123a is fitted.
  • the communication grooves 82d extend in the up-down direction and are formed at intervals in the circumferential direction.
  • the inside of the stem tube 82a is communicated in the up-down direction through the communication groove 82d.
  • a radial gap is provided between the outer peripheral surface of the columnar body 123a and the inner peripheral surface of the piston small diameter portion 122a.
  • the seating portion 123b protrudes radially outward from the vertical middle portion of the column body 123a.
  • the seating portion 123b is configured to be able to approach and separate from the lower end edge of the piston small diameter portion 122a as the seating portion 123b moves up and down relative to the pressure accumulator piston 122.
  • the seating portion 123b seats on the lower end edge of the piston small diameter portion 122a, thereby blocking communication between the inside of the pressure accumulator cylinder 121 and the inside of the stem tube 82a through the inside of the pressure accumulator piston 122.
  • the seating portion 123b moves downwardly away from the lower end edge of the piston small diameter portion 122a, thereby allowing communication between the inside of the pressure accumulator cylinder 121 and the inside of the stem tube 82a through the inside of the pressure accumulator piston 122.
  • the third biasing member 124 is a coil spring that extends in the vertical direction.
  • the third biasing member 124 is provided in the vertical gap between the stem tube 82a and the pressure accumulator piston 122 within the pressure accumulator cylinder 121, surrounding the lower end of the stem tube 82a and the piston small diameter portion 122a.
  • the third biasing member 124 biases the pressure accumulator piston 122 downward (towards the seating portion 63b).
  • the discharge head 112 does not have a pressure accumulator valve 28 or a second biasing member 29, and is fitted onto the upper end of the stem tube 82a, which is located above the upper support tube 82b.
  • the discharge hole 12c is connected to the inside of the stem tube 82a.
  • the stem 82, the pressure accumulator valve body 123, and the pressure accumulator piston 122 move down together with the discharge head 112.
  • the stem 82, the pressure accumulator valve body 123, and the pressure accumulator piston 122 move down relative to the pressure accumulator cylinder 121 by the vertical gap between the lower edge of the piston large diameter portion 122b and the locking projection 121a of the pressure accumulator cylinder 121.
  • the pressure accumulator piston 122 which has a smaller diameter than the piston portion 22, moves down (actuates) before the piston portion 22 (i.e., ahead of the piston portion 22). Therefore, the initial pressing force when lowering the discharge head 112 can be reduced.
  • the piston portion 22 After the lower end edge of the piston large diameter portion 122b comes into contact with the locking projection 121a of the pressure accumulator cylinder 121, the piston portion 22 also descends. As a result, the sliding portion 22a of the piston portion 22 slides on the inner circumferential surface of the cylinder portion 21, and the inside of the cylinder portion 21 is pressurized.
  • the stem 82 and the pressure accumulator valve body 123 descend relative to the pressure accumulator piston 122 against the biasing force of the third biasing member 124. As a result, the seating portion 123b moves downwardly away from the lower end edge of the piston small diameter portion 122a.
  • the content liquid in the cylinder portion 21 then flows into the stem tube 82a through the pressure accumulator cylinder 121, the gap between the pressure accumulator piston 122 and the pressure accumulator valve body 123, and the communication groove 82d.
  • the liquid then passes through the upper opening of the stem tube 82a and is discharged forward through the discharge hole 12c.
  • the stem 82 and the pressure accumulator valve body 123 are pushed up by the biasing force of the third biasing member 124, and the seating portion 123b comes into contact with the lower edge of the piston small diameter portion 122a.
  • the content liquid is supplied into the cylinder portion 21 from the content liquid inlet 21f.
  • the normal/inverted unit 2 includes a first switching valve 61, a second switching valve 62, an outer cylinder member 63, an inner cylinder member 64, a flow path forming member 65, a first connecting member 83, and a second connecting member 84.
  • the outer tube member 63 is configured by connecting the first outer tube portion 71, the fifth outer tube portion 163, and the fourth outer tube portion 74 in this order from top to bottom.
  • the relay port 64c of the inner tube member 64 opens inside the fifth outer tube portion 163.
  • the lower end opening of the fifth outer tube portion 163 serves as the upright position introduction port 63a that opens in the vertical direction.
  • a third connecting tube portion 163a that protrudes upward is formed on the periphery of the opening of the upright position introduction port 63a on the inner surface of the fifth outer tube portion 163.
  • a plug portion 165b and a common flow passage 68 are formed in the bottom wall portion of the flow passage forming member 65.
  • the plug portion 165b is provided radially inward from the sealing cylinder portion 65c.
  • the plug portion 165b does not protrude upward from the bottom wall portion of the flow passage forming member 65, but protrudes downward.
  • the first connecting member 83 is formed in a cylindrical shape extending in the vertical direction, and connects the flow path forming member 65 and the inner tube member 64 in the vertical direction.
  • the plug portion 165b of the flow path forming member 65 is tightly fitted into the upper end portion of the first connecting member 83.
  • the upper end portion of the first connecting member 83 is inserted into the sealing tube portion 65c.
  • the first connecting member 83 is provided across the lower end portion of the first outer tube portion 71 and the upper portion of the fifth outer tube portion 163.
  • Annular gaps extending in the circumferential direction are provided between the outer peripheral surface of the upper end portion of the first connecting member 83 and the inner peripheral surface of the sealing tube portion 65c, and between the outer peripheral surface of a portion of the first connecting member 83 located below the upper end portion and the inner peripheral surface of the fifth outer tube portion 163.
  • the upper end opening edge of the first connecting member 83 is spaced downward from the lower surface of the bottom wall portion of the flow path forming member 65, and the gap on the outer peripheral surface side of the first connecting member 83 communicates with the common flow path 68.
  • the upper end of the first inner cylinder portion 76 of the inner cylinder member 64 is tightly fitted into the lower end of the first connecting member 83.
  • the second connecting member 84 is formed in a cylindrical shape that extends vertically, and connects the inner tube member 64 and the third connecting tube portion 163a of the outer tube member 63 in the vertical direction.
  • the lower end of the third inner tube portion 78 of the inner tube member 64 is tightly fitted into the upper end of the second connecting member 84.
  • the third connecting tube portion 163a of the outer tube member 63 is tightly fitted into the lower end of the second connecting member 84.
  • a stopper portion 175a (first stopper portion) that stops the second switching valve 62 from entering the first path L1 along which the content liquid flows from the inlet 63a when the ejector 110 is in the upright position to the relay port 64c
  • a stopper portion 175b (second stopper portion) that stops the first switching valve 61 from entering the second path L2 along which the content liquid flows from the inlet 65a when the ejector 110 is inverted position to the relay port 64c.
  • the inhibiting portion 175a and the inhibiting portion 175b may be provided.
  • the inhibiting portion 175a (first inhibiting portion) and the inhibiting portion 175b (second inhibiting portion) are each formed in a cylindrical shape extending in the vertical direction and are arranged coaxially with the axis O.
  • the inhibiting portion 175a and the inhibiting portion 175b each extend continuously around the entire circumference. Note that the inhibiting portion 175a and the inhibiting portion 175b may each extend intermittently in the circumferential direction, or may have a C-shape when viewed from the vertical direction.
  • the inner side of the suppression portion 175a faces the inverted valve seat 64e in the vertical direction, and is provided at a position where the second switching valve 62 enters and is accommodated inside when the dispenser 110 is upright.
  • the suppression portion 175a is formed in a bottomed cylindrical shape.
  • the upper surface of the bottom wall of the suppression portion 175a supports the second switching valve 62 that enters and is accommodated inside the suppression portion 175a when the dispenser 110 is upright.
  • the outer peripheral edge of the upper surface of the bottom wall of the suppression portion 175a extends downward as it moves radially inward. Note that the inner peripheral surface of the peripheral wall of the suppression portion 175a may support the second switching valve 62 when the dispenser 110 is upright.
  • the size of the inner vertical direction of the suppression portion 175a is equal to the diameter of the second switching valve 62.
  • the inner side of the suppression portion 175b (second suppression portion) is vertically opposed to the valve seat 64d when in the upright position, and is provided at a position where the first switching valve 61 enters and is accommodated inside when the dispenser 110 is inverted.
  • the suppression portion 175b is formed in a topped cylindrical shape.
  • the lower surface of the top wall of the suppression portion 175b supports the first switching valve 61 that enters and is accommodated inside the suppression portion 175b when the dispenser 110 is inverted.
  • the outer peripheral edge of the lower surface of the top wall of the suppression portion 175b extends upward as it moves radially inward. Note that the inner peripheral surface of the peripheral wall of the suppression portion 175b may support the first switching valve 61 when the dispenser 110 is inverted.
  • the vertical size of the inner side of the suppression portion 175b is equal to the diameter of the first switching valve 61.
  • the restraining portion 175a (first restraining portion) is provided on the inside of the second connecting member 84.
  • the outer peripheral surface of the restraining portion 175a and the inner peripheral surface of the second connecting member 84 are connected via a first connecting piece 84a that is provided at intervals in the circumferential direction.
  • the restraining portion 175a is located below the upper end of the second connecting member 84.
  • the radial gap between the outer peripheral surface of the restraining portion 175a and the inner peripheral surface of the second connecting member 84 constitutes part of the first path L1.
  • the restraining portion 175b (second restraining portion) is provided on the inside of the first connecting member 83.
  • the outer peripheral surface of the restraining portion 175b and the inner peripheral surface of the first connecting member 83 are connected via second connecting pieces 83a that are provided at intervals in the circumferential direction.
  • the restraining portion 175b is located above the lower end of the first connecting member 83.
  • the radial gap between the outer peripheral surface of the restraining portion 175b and the inner peripheral surface of the first connecting member 83 constitutes part of the second path L2.
  • the restraining portion 175a (first restraining portion), the second connecting member 84, and the first connecting piece 84a constitute a single, integrally formed part.
  • the restraining portion 175b (second restraining portion), the first connecting member 83, and the second connecting piece 83a also constitute a single, integrally formed part.
  • the former part and the latter part are formed to the same shape and size, and are common parts that are assembled upside down.
  • the inverted normal unit 2 of this embodiment when at least one of the first switching valve 61 and the second switching valve 62 moves away from the valve seats 64d, 64e in the vertical direction, it enters and is accommodated inside the restricting portion 175b (second restricting portion), 175a (first restricting portion).
  • the restraining portion 175b (second restraining portion) and 175a (first restraining portion) are provided at a position opposite the valve seat 64d in the upright position in the vertical direction, where the first switching valve 61 advances inward and is accommodated when the dispenser 110 is inverted, and at a position opposite the valve seat 64e in the upright position in the vertical direction, where the second switching valve 62 advances inward and is accommodated when the dispenser 110 is in the upright position.
  • the covering portion 51 and the guide portion 52 do not need to be provided on the inside of the outer tube member 63 .
  • the retraction recess 69 (second retraction recess and second preventing portion) for the first switching valve 61 and the retraction recess 90 (first retraction recess) for the second switching valve 62 do not need to be provided.
  • the covering portion 51 may be configured to be formed in a topped cylindrical shape extending around the entire circumference and disposed coaxially with the axis O, a plurality of side openings 51a may be formed at intervals in the circumferential direction on the peripheral wall of the covering portion 51, and a suppressing portion 75 (first suppressing portion) for the second switching valve 62 may be configured to be formed in a cylindrical shape extending continuously around the entire circumference and disposed coaxially with the axis O on the outer circumferential edge portion of the top wall of the covering portion 51.
  • the second switching valve 62 is located on the upper surface of the top wall of the covering portion 51 inside the suppressing portion 75 and disposed on the axis O. In this case, when the dispenser 10 is inverted, it is possible to easily bring the second switching valve 62 into close contact with the inverted valve seat 64e.
  • the liquid contents in the container body can be smoothly introduced into the cylinder portion.

Landscapes

  • Closures For Containers (AREA)

Abstract

L'invention concerne une unité pour position verticale inversée (1) qui est équipée : d'un orifice d'admission en mode à l'endroit (63a) ; d'un orifice d'admission en mode inversé (65a) ; d'un orifice relai (64c) ; d'une première valve de commutation (61) ; d'une seconde valve de commutation (62) ; et d'au moins une partie inhibition parmi une première partie inhibition (75) qui inhibe l'avancée de la seconde valve de commutation (62) en mode à l'endroit d'un appareil de décharge (10), vis-à-vis d'un premier trajet (L1) amenant un contenu liquide de l'orifice d'admission en mode à l'endroit (63a) à l'orifice relai (64c), et une seconde partie inhibition qui inhibe l'avancée de la première valve de commutation (61) en mode inversé d'un appareil de décharge (10), vis-à-vis d'un second trajet (L2) amenant le contenu liquide de l'orifice d'admission en mode inversé (65a) à l'orifice relai (64c).
PCT/JP2023/042842 2022-11-30 2023-11-30 Unité pour position verticale inversée WO2024117208A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2022191685 2022-11-30
JP2022-191685 2022-11-30
JP2023-047074 2023-03-23
JP2023047074A JP2024079531A (ja) 2022-11-30 2023-03-23 正倒立用ユニット

Publications (1)

Publication Number Publication Date
WO2024117208A1 true WO2024117208A1 (fr) 2024-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/042842 WO2024117208A1 (fr) 2022-11-30 2023-11-30 Unité pour position verticale inversée

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Country Link
WO (1) WO2024117208A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1119543A (ja) * 1997-06-27 1999-01-26 Yoshino Kogyosho Co Ltd 正倒立両用の液体噴出器
JPH11262704A (ja) * 1998-03-19 1999-09-28 Yoshino Kogyosho Co Ltd 正倒立両用の液体噴出器
JP2009143617A (ja) * 2007-12-17 2009-07-02 Mitani Valve Co Ltd 正倒立ポンプ機構およびポンプ式製品
JP2014213943A (ja) * 2013-04-30 2014-11-17 株式会社吉野工業所 正倒立両用液体噴出器
JP2017047926A (ja) * 2015-08-31 2017-03-09 株式会社吉野工業所 正倒立両用アダプタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1119543A (ja) * 1997-06-27 1999-01-26 Yoshino Kogyosho Co Ltd 正倒立両用の液体噴出器
JPH11262704A (ja) * 1998-03-19 1999-09-28 Yoshino Kogyosho Co Ltd 正倒立両用の液体噴出器
JP2009143617A (ja) * 2007-12-17 2009-07-02 Mitani Valve Co Ltd 正倒立ポンプ機構およびポンプ式製品
JP2014213943A (ja) * 2013-04-30 2014-11-17 株式会社吉野工業所 正倒立両用液体噴出器
JP2017047926A (ja) * 2015-08-31 2017-03-09 株式会社吉野工業所 正倒立両用アダプタ

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