JP6785178B2 - Liquid discharge container - Google Patents

Description

The present invention relates to a liquid discharge container.

As the liquid discharge container, for example, as shown in Patent Document 1 below, a container body in which the content liquid is stored, a suction port at the lower end are arranged in the container body, and a cylinder fixed to the container body and a cylinder. A rotating ring rotatably attached to the cylinder, a discharge pipe provided with a discharge valve at the top and a lower opening located inside the cylinder, and a discharge pipe arranged inside the cylinder and sliding up and down closely to the discharge pipe. A tubular plunger that is externally fitted and urged downward by an urging mechanism is provided between the rotating ring and the plunger, and the rotating operation of the rotating ring with respect to the cylinder is changed to an ascending operation with respect to the cylinder of the plunger. A conversion mechanism for conversion, a discharge head mounted on a discharge valve to form a discharge port for the content liquid, and a suction port for allowing the content liquid in the container body to flow into the cylinder, and a cylinder. It is surrounded by a suction valve that prevents the content liquid inside from flowing out into the container body, a cylinder, a suction valve, a discharge pipe, and a plunger, and the content liquid that has flowed into the cylinder from inside the container body is stored through the suction valve. A configuration with a pressure chamber is known.
The discharge valve closes the upper opening of the discharge pipe. The discharge valve is arranged so as to be movable downward in the discharge pipe in an upwardly biased state, and has an outlet cylinder having a discharge head mounted on the upper end portion and an outlet cylinder fixed to the discharge pipe and the lower end portion inserted into the discharge pipe. It is provided with three parts: an inlet cylinder, a valve body that cuts off communication between the inside of the outlet cylinder and the inside of the inlet cylinder, and communicates the inside of the inlet cylinder and the inside of the outlet cylinder when the outlet cylinder is moved downward with respect to the inlet cylinder. ..

Japanese Unexamined Patent Publication No. 2015-227196

However, in the conventional liquid discharge container, there is room for improvement in reducing the number of parts.

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the number of parts.

In order to solve the above problems, the present invention proposes the following means.
In the liquid discharge container according to the present invention, the container body in which the content liquid is stored, the suction port at the lower end is arranged in the container body, the cylinder fixed to the container body, and the cylinder can be rotated. A rotary ring attached to the container, a discharge pipe provided with a discharge valve at the upper part and a lower opening located in the cylinder, and a discharge pipe arranged in the cylinder and slidable up and down closely to the discharge pipe. A tubular plunger that is externally fitted into the container and urged downward by an urging mechanism is provided between the rotating ring and the plunger, and the rotational operation of the rotating ring with respect to the cylinder is performed by the plunger. A conversion mechanism that converts the content liquid into a rising motion with respect to the cylinder, a discharge head that is mounted on the discharge valve and has a discharge port for the content liquid, and a discharge head that is arranged at the suction port and contains the content liquid in the container body. The suction valve is surrounded by the cylinder, the suction valve, the discharge pipe, and the plunger, and a suction valve that allows the inflow to the container and prevents the content liquid in the cylinder from flowing out into the container body. A liquid discharge container including a pressurizing chamber for collecting the content liquid that has flowed into the cylinder from the inside of the container body through the container body, wherein the discharge valve is a lower mounting portion mounted on the discharge pipe and the discharge head. A communication pipe that integrally connects the lower mounting portion and the upper mounting portion, and communicates between the inside of the discharge pipe and the inside of the discharge head, and the inside of the communication pipe. It is arranged so as to be movable downward in an upwardly urged state, and the communication between the inside of the discharge pipe and the inside of the discharge head that has passed through the communication pipe is blocked, and the discharge head is pushed down so that the upper mounting portion is moved downward. The discharge pipe is provided with a valve body that communicates the inside of the discharge pipe and the inside of the discharge head through the communication pipe by descending when the deformed portion is lowered with respect to the mounting portion. Allows the content liquid to be discharged from the pressurizing chamber to the outside through the communication pipe, the discharge head, and the discharge port, and from the outside through the discharge port, the discharge head, and the communication pipe. A regulating valve for restricting the inflow of air into the pressurizing chamber is provided.

In the non-pressurized state, which is the state when the liquid discharge container is not used, the suction valve and the discharge valve are in the closed state, and the plunger is located at the lowermost position.
When the rotating ring is rotated in the circumferential direction with respect to the container body from the non-pressurized state, the conversion mechanism is activated and the plunger rises while resisting the downward urging force of the urging mechanism. At this time, the regulation valve regulates the inflow of air from the outside through the discharge port, the discharge head, and the communication pipe into the pressurizing chamber, so that the pressurizing chamber becomes negative pressure as the plunger rises. The suction valve is opened by this negative pressure, and the content liquid in the container body flows into the pressurizing chamber. When the plunger is located at the upper limit position, the pumping up of the content liquid is completed and the suction valve is closed. As long as the discharge valve is closed, the pressurizing chamber is filled with the content liquid, resulting in a closed space. Therefore, even if the downward urging force of the urging mechanism acts on the plunger, the plunger lowers as it is. There is nothing to do.
When the discharge head is pushed down after pumping up the content liquid, the upper mounting portion of the discharge valve moves downward with the deformation of the deformed portion with respect to the lower mounting portion. At this time, as the valve body descends, the inside of the discharge pipe and the inside of the discharge head communicate with each other through the communication pipe. Then, the regulation valve is opened, and the discharge port and the pressurizing chamber communicate with each other through the discharge head, the communication pipe, and the discharge pipe. As a result, the plunger is lowered by the downward urging force of the urging mechanism, and the content liquid in the pressurizing chamber is discharged from the discharge port.
In this liquid discharge container, the deformed portion of the communication pipe integrally connects the lower mounting portion and the upper mounting portion, and the communicating pipe can be formed by one component. This makes it possible to form the discharge valve with two parts, a communication pipe and a valve body, and as compared with the case where the discharge valve is formed with three parts as in the conventional technique, the parts The score can be reduced.

The deformable portion may be elastically deformable.

In this case, the deformed portion is elastically deformable. Therefore, when the discharge head is pressed, the upper mounting portion of the discharge valve is lowered with the deformation of the deformed portion, and then the pressing of the discharge head is released, the upper mounting portion is moved based on the elastic restoring force of the deformed portion. It can be raised with respect to the lower mounting part. As a result, the discharge head can be smoothly restored and displaced even if there is no separate member for restoring and displacementing the discharge head.

The discharge valve may further urge the valve body upward and further include an urging member integrally formed with the valve body.

In this case, since the urging member is integrally formed with the valve body, the number of parts can be reliably suppressed to a small number.

An external tool attached to the discharge pipe and fixing the discharge valve to the discharge pipe is further provided, and the discharge pipe and the external tool come into contact with each other to seal the discharge pipe and the external tool. It may have been.

In this case, the discharge pipe and the external tool are brought into contact with each other to seal the space between the discharge pipe and the external tool. Therefore, it is possible to seal between the discharge pipe and the external tool without providing a sealing member such as a packing between the discharge pipe and the external tool, and the number of parts can be suppressed to a small number.

According to the present invention, the number of parts can be reduced.

It is a semi-vertical sectional view which shows the 1st Embodiment of the liquid discharge container which concerns on this invention. It is a partially enlarged view of the liquid discharge container of FIG. It is a figure which shows the state which started to rotate the rotating ring from the state shown in FIG. It is a figure which shows the state which the rotation of the rotation ring is completed from the state shown in FIG. It is a figure which shows the state which pushed down the discharge head from the state shown in FIG. It is a partially enlarged view of the liquid discharge container of FIG. It is a semi-vertical sectional view which shows the main part of the 2nd Embodiment of the liquid discharge container which concerns on this invention. It is a figure which shows the state which pushed down the discharge head from the state shown in FIG. 7.

(First Embodiment)
Hereinafter, the first embodiment according to the present invention will be described with reference to the drawings. In each drawing used in the following description, the scale is appropriately changed in order to make each member a recognizable size.
As shown in FIG. 1, the liquid discharge container 1 is formed in a bottomed tubular shape and includes a container body 10 in which the content liquid is stored. The container body 10 is formed in a bottomed tubular shape having a mouth portion 12, a body portion 11, and a bottom portion provided with male threads on the outer peripheral surface.
Hereinafter, the central axis passing through the center of the cross section of the container body 10 is referred to as a container axis O, the mouth portion 12 side is referred to as an upper side and the bottom side is referred to as a lower side along the container axis O direction, and is along the container axis O direction. The vertical direction is called the vertical direction. Further, in a plan view from the container axis O direction, the direction orthogonal to the container axis O is referred to as a radial direction, and the direction orbiting around the container axis O is referred to as a circumferential direction.

The cylinder 20 is fixed to the mouth 12 of the container body 10. The suction port 21a formed at the lower end of the cylinder 20 is arranged in the container body 10. In the illustrated example, the cylinder 20 is formed in a multi-stage tubular shape coaxially arranged with the container shaft O, and the first cylinder portion 21, the second cylinder portion 22, and the third cylinder portion 23 are formed from the lower side to the upper side. The fourth cylinder portion 24 is connected in this order, and the inner diameter and outer diameter of these cylinder portions 21 to 24 are larger as they are located on the upper side.

The screw cylinder portion 25 projects outward in the radial direction and extends downward from substantially the center of the fourth cylinder portion 24 in the vertical direction. A female screw is provided on the inner peripheral surface of the screw cylinder portion 25, and the cylinder 20 is fixed to the container body 10 by screwing the screw cylinder portion 25 into the mouth portion 12 of the container body 10. A packing 13 is arranged between the upper end opening edge of the mouth portion 12 and the screw cylinder portion 25.

The upper end of the first cylinder 21 and the lower end of the second cylinder 22 are connected via an annular valve seat 26. The valve seat portion 26 is arranged coaxially with the container shaft O.
The inside of the first cylinder portion 21 is the suction port 21a, and the upper end portion of the suction pipe 28 is fitted inside the first cylinder portion 21. The lower end opening of the suction pipe 28 is located at the bottom of the container body 10. The suction port 21a is provided with a suction valve 29 that allows the content liquid in the container body 10 to flow into the cylinder 20 and prevents the content liquid in the cylinder 20 from flowing out into the container body 10. .. The suction valve 29 has a valve body 29a that is in contact with the upper surface of the valve seat portion 26 so as to be able to separate upward.
At the lower end of the third tubular portion 23, a plurality of isobaric holes 27 penetrating in the radial direction are formed at intervals in the circumferential direction.

The cylinder 20 includes a tubular sleeve 30 fitted in the second cylinder portion 22. The sleeve 30 includes a large-diameter cylinder portion 30a located at the lower portion, a small-diameter cylinder portion 30b extending upward from the upper end of the large-diameter cylinder portion 30a and having an inner diameter smaller than that of the large-diameter cylinder portion 30a, and a small-diameter cylinder portion 30b. It includes a seal cylinder portion 30c that extends upward from the upper end and has an inner diameter larger than that of the small diameter cylinder portion 30b. The upper end portion of the small diameter tubular portion 30b is bent outward in the radial direction and is locked on the upper end opening edge of the second tubular portion 22. The seal cylinder portion 30c is radially inwardly separated from the inner peripheral surface of the third cylinder portion 23.

In the illustrated example, the upper end opening edge of the seal cylinder portion 30c and the upper end opening edge of the third cylinder portion 23 are respectively aligned in the vertical direction. A plurality of groove portions 30d are formed at the upper end portion of the seal cylinder portion 30c at intervals in the circumferential direction. The groove portion 30d penetrates the seal cylinder portion 30c in the radial direction and opens upward.

A plurality of vertical grooves 31 having a semicircular cross section are provided on the inner peripheral surface of the substantially upper half of the fourth tubular portion 24 at equal intervals in the circumferential direction, and the first outer peripheral surface of the fourth tubular portion 24 is provided. A protrusion 24a is provided.
A rotating ring 40 arranged coaxially with the container shaft O is provided on the fourth tubular portion 24 so as to be rotatable in the circumferential direction and immovable in the vertical direction. That is, the rotating ring 40 is rotatably arranged around the container shaft O with respect to the cylinder 20.

The upper end portion of the rotating ring 40 is provided with a neck cylinder portion 41a located at the upper end and a mounting cylinder portion 41b formed with a diameter larger than that of the neck cylinder portion 41a and connected to the lower end of the neck cylinder portion 41a. ing. Inside the mounting cylinder portion 41b, the upper end portion of the discharge pipe 50 whose lower opening is located in the cylinder 20 is arranged.

The discharge pipe 50 is made of a resin material such as polypropylene or polyethylene, is arranged coaxially with the container shaft O, and is integrally inserted inside the top plate portion 46 of the relay member 42 and the inside of the cylinder 20, which will be described later. ing. Of the discharge pipe 50, the upper end portion protrudes upward from the top plate portion 46, the lower portion is inserted inside the cylinder 20, and the lower end edge where the lower opening is located is located inside the third cylinder portion 23 of the cylinder 20. ing.
As shown in FIG. 2, the discharge pipe 50 includes a main body portion 50a extending downward from the top plate portion 46, a flange portion 50b extending radially outward from the upper end portion of the main body portion 50a, and a flange portion 50b. It is provided with a connecting pipe 50c extending upward from the outer peripheral edge portion. The flange portion 50b is placed on the upper surface of the top plate portion 46, and the flange portion 50b and the connecting pipe 50c are the upper end portions of the discharge pipe 50 located above the top plate portion 46. By placing the flange portion 50b on the upper surface of the top plate portion 46, the discharge pipe 50 is attached to the rotating ring 40 via the relay member 42. The connecting pipe 50c includes a small diameter portion 50d located below and a large diameter portion 50e located above. The small diameter portion 50d has a smaller diameter than the large diameter portion 50e and is smaller in the vertical direction than the large diameter portion 50e. A discharge valve 51 is provided above the discharge pipe 50.

The discharge valve 51 closes the upper opening of the discharge pipe 50. The discharge valve 51 is arranged in a communication pipe 52 that communicates the inside of the discharge pipe 50 and the inside of the discharge head 56 and in the communication pipe 52 so as to be movable downward in an upwardly biased state, and passes through the communication pipe 52. It includes a valve body 53 that blocks communication between the inside of the 50 and the inside of the discharge head 56, and an urging member 54 that urges the valve body 53 upward and is formed integrally with the valve body 53.
The communication pipe 52 is a deformed portion 59 that integrally connects the lower mounting portion 57 mounted on the discharge pipe 50, the upper mounting portion 58 mounted on the discharge head 56, and the lower mounting portion 57 and the upper mounting portion 58. And have. The lower mounting portion 57, the upper mounting portion 58, and the deformed portion 59 (the entire communication pipe 52) are integrally formed of the same material (the same resin material), and are formed by one component (molded product). .. The communication pipe 52 is arranged coaxially with the container shaft O. The lower mounting portion 57, the upper mounting portion 58, and the deformed portion 59 are formed in a tubular shape coaxial with the container shaft O.

The lower mounting portion 57 includes a lower cylinder portion 101 fitted in the small diameter portion 50d, an upper cylinder portion 102 formed to have a diameter smaller than that of the lower cylinder portion 101 and extending upward from the lower cylinder portion 101, and an upper cylinder portion 102. A valve seat portion 103 extending inward in the radial direction from the upper end portion is provided. The lower cylinder portion 101 is arranged in the connecting pipe 50c, and the upper end of the lower cylinder portion 101 is located below the upper end of the connecting pipe 50c. The valve seat portion 103 is formed in an annular shape that gradually extends upward from the outer side to the inner side in the radial direction. The wall thickness at the inner peripheral edge portion of the valve seat portion 103 is smaller than the wall thickness at the portion other than the inner peripheral edge portion of the valve seat portion 103.

The deformable portion 59 is elastically deformable. The wall thickness of the deformed portion 59 is smaller than the wall thickness of the lower mounting portion 57 and the upper mounting portion 58. The deformed portion 59 is formed in a tubular shape in which the intermediate portion in the vertical direction is convex outward in the radial direction in the vertical cross-sectional view along the vertical direction. The deformed portion 59 includes a lower deformed portion 104 connected to the lower mounted portion 57, an upper deformed portion 105 connected to the upper mounted portion 58, and a bent portion 106 connecting the lower deformed portion 104 and the upper deformed portion 105. , Is equipped. The lower deformed portion 104 is formed in a tubular shape extending substantially parallel to the vertical direction. The upper deformed portion 105 is formed in a tubular shape that gradually extends inward in the radial direction as it goes upward. The bent portion 106 is obtusely convex toward the outside in the radial direction in the vertical cross-sectional view.

The valve body 53 extends in the vertical direction and is formed in a rod shape arranged coaxially with the container shaft O. A flange portion 53a projecting outward in the radial direction is provided at the central portion of the valve body 53 in the vertical direction. The upper surface of the collar portion 53a is formed on an inclined surface that gradually extends downward as it goes outward in the radial direction. The upper surface of the flange portion 53a is in contact with the lower surface of the valve seat portion 103 (in the illustrated example, the lower surface at the inner peripheral edge portion of the valve seat portion 103) so as to be detachable downward.
A vertical groove 53b is formed at the upper end of the valve body 53 located above the flange 53a. A plurality of vertical groove portions 53b are provided on the outer peripheral surface of the upper end portion of the valve body 53 at intervals in the circumferential direction. The flutes 53b are open upward from the valve body 53.

The urging member 54 includes a base portion 107 mounted in the lower mounting portion 57, and a spring portion 108 extending upward from the base portion 107. The base portion 107 is formed in a tubular shape coaxially arranged with the container shaft O, and is fitted in the lower mounting portion 57. The spring portion 108 is made of resin (so-called resin spring), and is formed in a tubular shape coaxially arranged with the container shaft O. The upper end of the spring portion 108 is connected to the lower surface of the flange portion 53a.
The valve body 53 and the urging member 54 are integrally formed of the same material (same resin material), and are formed of one component (molded article). In the illustrated example, the lower surface of the outer peripheral edge portion of the flange portion 53a of the valve body 53 and the upper end surface of the spring portion 108 are connected.

As shown in FIG. 6, in the discharge valve 51, when the discharge head 56 is pushed down and the upper mounting portion 58 descends with respect to the lower mounting portion 57 with the deformation of the deformed portion 59, the discharge valve 51 lowers to communicate with the discharge valve 51. The inside of the discharge pipe 50 and the inside of the discharge head 56 are communicated with each other through the inside of the pipe 52. At this time, the upper mounting portion 58 is valved while the deformed portion 59 is deformed so that the angle formed by the bent portion 106 of the deformed portion 59 in the vertical cross-sectional view becomes smaller, that is, the convex shape of the deformed portion 59 becomes sharp. Push down the upper end of the body 53. Then, the upper surface of the flange portion 53a separates downward from the lower surface of the valve seat portion 103, and the space between the lower mounting portion 57 and the upper mounting portion 58 is between the upper surface of the collar portion 53a and the lower surface of the valve seat portion 103. Communicate through the flutes 53b. As a result, the inside of the discharge pipe 50 and the inside of the discharge head 56 communicate with each other through the communication pipe 52.

Here, as shown in FIG. 2, the discharge pipe 50 is allowed to discharge the content liquid to the outside from the pressurizing chamber 93 described later through the communication pipe 52, the discharge head 56, and the discharge port 56a. A regulation valve 110 that regulates the inflow of air from the outside through the discharge port 56a, the discharge head 56, and the communication pipe 52 into the pressurizing chamber 93 is provided. The regulation valve 110 is arranged in the connecting pipe 50c. The regulation valve 110 is formed by a so-called one-point valve, three-point valve, or the like. The regulation valve 110 includes a valve cylinder portion 111 fitted in the base portion 107, a valve main body 112 that sits on the flange portion 50b so as to be detachable and opens and closes the upper end opening of the main body portion 50a, and the valve main body 112 and the valve. A connecting piece 113 for connecting the tubular portion 111 is provided. The valve barrel portion 111, the valve body 112, and the connecting piece 113 are integrally formed of the same material (same resin material), and are formed of one component (molded product).
As shown in FIG. 6, in the regulation valve 110, the valve body 112 rises with the deformation of the connecting piece 113 and separates from the flange portion 50b, so that the valve body 112 passes through the discharge port 56a, the discharge head 56, and the communication pipe 52. The outside and the pressurizing chamber 93 are communicated with each other. At this time, excessive movement of the valve body 112 upward is restricted by the lower end portion of the valve body 53.

Further, as shown in FIG. 2, the liquid discharge container 1 is further provided with an external tool 120 which is attached to the discharge pipe 50 and fixes the discharge valve 51 to the discharge pipe 50. The outer tool 120 integrally fixes the discharge pipe 50 and the discharge valve 51. The outer tool 120 includes an inner cylinder portion 121 inserted into the connecting pipe 50c, an outer cylinder portion 122 fitted to the connecting pipe 50c from the outside in the radial direction, and upper ends of the inner cylinder portion 121 and the outer cylinder portion 122. It is formed in a double tubular shape including a connecting portion 123 for connecting the two.
The lower end of the inner cylinder portion 121 is supported from below by the lower cylinder portion 101 of the lower mounting portion 57. The connecting portion 123 includes an inner peripheral portion 124 located inside in the radial direction and an outer peripheral portion 125 located outside in the radial direction. The outer peripheral portion 125 is located below the inner peripheral portion 124. The lower surface of the outer peripheral portion 125 is in close contact (pressure contact) with the upper end opening edge of the connecting pipe 50c. When the discharge pipe 50 and the outer tool 120 come into contact with each other in this way, the space between the discharge pipe 50 and the outer tool 120 is sealed. In the present embodiment, a seal convex portion 50 g protruding from one of the outer peripheral portion 125 and the connecting pipe 50c to the other is arranged between the lower surface of the outer peripheral portion 125 and the upper end opening edge of the connecting pipe 50c. The protrusion 50 g of the seal is elastically compressed and deformed in the vertical direction, so that the discharge pipe 50 and the outer tool 120 are sealed. The seal convex portion 50g is formed in a triangular shape that protrudes upward from the upper end opening edge of the connecting pipe 50c. The seal convex portion 50 g extends continuously over the entire circumference in the circumferential direction.

The communication pipe 52, the discharge valve 51, the regulation valve 110, and the outer fitting 120 are each made of a resin material. Therefore, the cost of the liquid discharge container 1 can be easily reduced as compared with the case where a metal material is used instead of the resin material, for example. Further, by forming the communication pipe 52, the discharge valve 51, the regulation valve 110, and the outer tool 120 from the resin material in this way, it is possible to prevent the content liquid from coming into contact with the metal material, for example. It is possible to suppress unintended changes in the content liquid caused by the liquid coming into contact with a metal material.

The discharge head 56 is provided with a discharge port 56a for the content liquid and a mounting cylinder portion 56b inserted into the neck cylinder portion 41a of the rotating ring 40. The upper mounting portion 58 is fitted in the mounting cylinder portion 56b. The discharge port 56a communicates with the upper mounting portion 58 through a flow path provided in the discharge head 56.

As shown in FIG. 1, a tubular plunger 60 arranged coaxially with the container shaft O is arranged in the cylinder 20. The plunger 60 is tightly fitted to the discharge pipe 50 so as to be slidable up and down. The plunger 60 includes a drive cylinder portion 61 and a skirt portion 62.
The drive cylinder portion 61 includes a lower cylinder portion 63, an upper cylinder portion 64 located radially outside the lower cylinder portion 63, and a ring plate portion 65 connecting them. The inner peripheral edge portion of the ring plate portion 65 protrudes inward in the radial direction from the lower cylinder portion 63, and the inner edge thereof extends in both the upper and lower directions.

The outer diameter of the lower cylinder portion 63 is smaller than the inner diameter of the small diameter cylinder portion 30b of the sleeve 30. On the outer peripheral surface of the lower cylinder portion 63, a communication groove 63a that opens downward and extends in the vertical direction is formed.
In addition, only one communication groove 63a may be formed on the outer peripheral surface of the lower cylinder portion 63, or a plurality of communication grooves 63a may be formed at intervals in the circumferential direction. Hereinafter, the portion of the lower cylinder portion 63 in which the communication groove 63a is formed is referred to as a lower portion of the lower cylinder portion 63, and the portion of the lower cylinder portion 63 above the lower portion is referred to as an upper portion.

A skirt portion 62 is fitted in the lower cylinder portion 63. The skirt portion 62 includes a support cylinder portion 66 fitted in the lower cylinder portion 63, and a seal leg cylinder portion 67 that protrudes outward in the radial direction from the lower end portion of the support cylinder portion 66 and extends downward. A holding leg portion 68 extending downward from the lower end portion of the support cylinder portion 66 is provided.

The inner diameter of the support cylinder portion 66 is equal to the inner diameter of the ring plate portion 65, and is slightly larger than the outer diameter of the discharge pipe 50. A rubber seal ring 69 is disposed between the inner peripheral edge of the upper end opening edge of the support cylinder portion 66 and the lower end of the inner end edge of the ring plate portion 65. The seal ring 69 tightly seals between the drive cylinder portion 61, the skirt portion 62, and the discharge pipe 50, and slides the outer peripheral surface of the discharge pipe 50 closely.

The seal leg cylinder portion 67 projects downward from the lower cylinder portion 63 of the drive cylinder portion 61. The outer diameter of the seal leg cylinder portion 67 is the same as the outer diameter of the lower cylinder portion 63. The lower end of the seal leg cylinder portion 67 is a tapered cylinder portion 67a whose diameter gradually increases toward the bottom. The outer diameter of the lower end edge of the tapered cylinder portion 67a is smaller than the inner diameter of the large diameter cylinder portion 30a of the sleeve 30, and a radial gap is provided between the tapered cylinder portion 67a and the large diameter cylinder portion 30a. .. The outer diameter of the lower end edge of the tapered cylinder portion 67a is equal to or slightly larger than the inner diameter of the small diameter cylinder portion 30b of the sleeve 30.
The tapered cylinder portion 67a slides on the inner peripheral surface of the small diameter cylinder portion 30b.

A plurality of pressing legs 68 are arranged at intervals in the circumferential direction. Each holding leg portion 68 presses the upper surface of the valve body 29a of the suction valve 29 when the plunger 60 is located at the lowermost position.
As a result, the valve body 29a is sandwiched in the vertical direction by the holding leg portion 68 and the valve seat portion 26, and the movement of the valve body 29a is restricted.
The space surrounded by the cylinder 20, the suction valve 29, the discharge pipe 50, and the plunger 60 becomes a pressurizing chamber 93 in which the content liquid that has flowed into the cylinder 20 from the container body 10 through the suction valve 29 is stored. There is.

A conversion mechanism 75 is provided between the rotary ring 40 and the plunger 60 to convert the rotary motion of the rotary ring 40 with respect to the cylinder 20 into an ascending motion of the plunger 60 with respect to the cylinder 20. Hereinafter, the conversion mechanism 75 will be described.

Of the plunger 60, on the outer peripheral surface of the upper cylinder portion 64 located in the fourth cylinder portion 24 of the cylinder 20, a plurality of vertical grooves 70b arranged at intervals in the circumferential direction and extending in the vertical direction, and a plurality of vertical grooves 70b extending in the circumferential direction A cam groove 70 having a semicircular cross section is formed over the entire circumference in the circumferential direction, which includes an inclined groove 70a for connecting the upper end and the lower end of the vertical grooves 70b adjacent to each other.
The ball 71 is integrally rotatably engaged with the cam groove 70 and the vertical groove 31 of the cylinder 20. That is, half of the ball 71 is inserted into the cam groove 70, and the other half is inserted into the vertical groove 31.

The plunger 60 is connected to the rotating ring 40 via a relay member 42 so as to be relatively non-rotatable and relatively movable in the vertical direction.
The relay member 42 includes an outer cylinder portion 43 that surrounds the fourth cylinder portion 24 of the cylinder 20 from the radial outside, an inner cylinder portion 44 arranged radially inside the outer cylinder portion 43, an outer cylinder portion 43, and an inner cylinder. An annular top plate portion 46 that connects the upper ends of the portions 44 to each other, and an upper cylinder portion 45 that protrudes upward from the top plate portion 46 are provided.

The inner peripheral edge portion of the top plate portion 46 projects radially inward from the inner tubular portion 44. As shown in FIG. 2, the flange portion 50b of the discharge pipe 50 is placed on the inner peripheral edge portion on the upper surface of the top plate portion 46.
As shown in FIG. 1, the inner peripheral surface of the outer tubular portion 43 engages with the first protruding portion 24a formed on the outer peripheral surface of the fourth tubular portion 24 from below the first protruding portion 24a. Two protrusions 43a are formed.
The upper cylinder portion 45 has a smaller diameter than the outer cylinder portion 43 and a larger diameter than the inner cylinder portion 44. On the outer peripheral surface of the upper cylinder portion 45, a third protrusion 45a that engages with the first groove portion 40a formed on the inner surface of the rotating ring 40 is formed. By engaging the third protrusion 45a of the relay member 42 with the first groove portion 40a of the rotary ring 40, the relative rotational movement of the rotary ring 40 and the relay member 42 in the circumferential direction is restricted.
On the outer peripheral surface of the inner cylinder portion 44, a fourth protrusion 44a that engages with the second groove portion 64a formed on the inner peripheral surface of the upper cylinder portion 64 of the drive cylinder portion 61 is formed. The fourth protrusion 44a is engaged with the second groove 64a so as to be relatively downwardly movable. By engaging the fourth protrusion 44a of the relay member 42 with the second groove portion 64a of the plunger 60, the rotational movement of the plunger 60 and the relay member 42 in the circumferential direction is restricted, and the plunger 60 Ascending movement with respect to the relay member 42 is allowed.

The plunger 60 is urged downward by a spring (biasing mechanism) 47 interposed between the plunger 60 and the relay member 42. Therefore, the ball 71 is always sandwiched in the vertical direction by the lower end of the vertical groove 31 of the cylinder 20 and the upper wall surface of the cam groove 70 while rotating the rotating ring 40.

In the above configuration, when the rotating ring 40 is rotated with respect to the container body 10 while the ball 71 is engaged with the upper end of the inclined groove 70a, the height of the ball 71 remains unchanged as shown in FIG. At this position, the plunger 60 rises because it is in a state of relatively descending along the inclined groove 70a along the inclined groove 70a. At this time, the plunger 60 compresses the spring 47.
Then, as shown in FIG. 4, when the ball 71 shifts from the lower end of the inclined groove 70a of the cam groove 70 to the lower end of the vertical groove 70b at the same height position as the rotating ring 40 further rotates, the spring 47 The plunger 60 can be lowered by the elastic restoring force of. When the plunger 60 descends, the ball 71 relatively ascends the vertical groove 70b and finally reaches the upper end of the adjacent inclined groove 70a.

In this way, the plunger 60 is arranged so as to be relatively non-rotatable with respect to the rotating ring 40 and relatively movable in the vertical direction, and the cylinder 20 and the plunger 60 are composed of a vertical groove 31, a cam groove 70, and a ball 71. Since it is connected via the cam mechanism, the plunger 60 can be raised against the downward urging force of the spring 47 by rotating the rotating ring 40 with respect to the container body 10. The plunger 60 can be lowered by the elastic restoring force of the spring 47.
As described above, in the ball 71, the cam groove 70 including the inclined groove 70a and the vertical groove 70b moves relatively with the rotation operation of the rotating ring 40 while maintaining the same height position. The plunger 60 moves up and down with respect to the cylinder 20.

In the top plate portion 46 of the relay member 42, a plurality of air holes 46a penetrating in the vertical direction are formed at a portion located between the outer tubular portion 43 and the upper tubular portion 45 at intervals in the circumferential direction. The upper end of the spring 47 is supported by the inner peripheral edge of the lower surface of the top plate 46, and the lower end of the spring 47 is supported by the upper surface of the ring plate 65 of the plunger 60. An upwardly projecting portion of the inner end edge of the ring plate portion 65 is inserted inside the lower end portion of the spring 47.

As shown in FIG. 1, an isobaric valve 80 is arranged at the upper end of the third cylinder portion 23 of the cylinder 20.
The isobaric valve 80 is formed in an annular shape and is arranged coaxially with the container shaft O. The isobaric valve 80 includes a valve body 84 whose lower surface is supported by the upper end opening edge of each of the third cylinder portion 23 and the seal cylinder portion 30c, and the first valve portion 81 which is in contact with the seal cylinder portion 30c so as to be detachable. A second valve portion 82 that slides on the outer peripheral surface of the lower cylinder portion 63, and a third valve portion 83 that is in contact with the plunger 60 so as to be detachable are provided. The isobaric valve 80 is made of an elastic material such as a soft resin.

A hydraulic relief passage 91 is formed on the lower side and an air inflow passage 92 is formed on the upper side with the isobaric valve 80 sandwiched between the cylinder 20 and the plunger 60.

The hydraulic relief passage 91 communicates with the pressurizing chamber 93 when the tapered cylinder portion 67a of the plunger 60 faces the large diameter cylinder portion 30a of the sleeve 30 in the radial direction, and as shown in FIGS. 3 and 4, the hydraulic relief passage 91 communicates with the pressurizing chamber 93. When the tapered cylinder portion 67a is in pressure contact with the small diameter cylinder portion 30b, the communication with the pressurizing chamber 93 is cut off. That is, the hydraulic pressure relief passage 91 is provided between the inner peripheral surface of the cylinder 20 and the outer peripheral surface of the plunger 60, and when the plunger 60 is located at the lowermost position, it communicates with the pressurizing chamber 93, and the plunger 60 is the most. When it is located above the lower limit position, the communication with the pressurizing chamber 93 is cut off. The hydraulic pressure relief passage 91 can communicate with the inside of the container body 10 through the isobaric hole 27 formed in the third cylinder portion 23.

As shown in FIG. 1, the air inflow passage 92 is provided between the inner peripheral surface of the cylinder 20 and the outer peripheral surface of the plunger 60, and is formed between the drive cylinder portion 61 of the plunger 60 and the fourth cylinder portion 24 of the cylinder 20. The outside air can be introduced by communicating with the outside through the gap between them, the cam groove 70, the vertical groove 31 of the cylinder 20, the air hole 46a of the relay member 42, and the like.

The first valve portion 81 has a tubular shape that extends downward from the valve body 84 and is arranged coaxially with the container shaft O. The lower end of the first valve portion 81 is in contact with the outer peripheral surface of the seal cylinder portion 30c of the sleeve 30 so as to be detachable, and the isobaric hole 27 is closed so as to be openable. The isobaric hole 27 communicates with the inside of the container body 10 and the hydraulic pressure relief passage 91 when the lower end portion of the first valve portion 81 separates from the outer peripheral surface of the seal cylinder portion 30c.
In the illustrated example, the lower end of the first valve portion 81 is in contact with a portion of the outer peripheral surface of the seal cylinder portion 30c located below the groove portion 30d. The first valve portion 81 operates by the difference between the pressure in the hydraulic pressure relief passage 91 and the pressure in the container body 10 to block the flow from the container main body 10 to the hydraulic pressure relief passage 91, and the hydraulic pressure relief passage 91. It functions as a check valve that allows only distribution from 91 into the container body 10.

The second valve portion 82 is formed on the inner peripheral surface of the valve main body 84, and is an annular protrusion that protrudes inward in the radial direction and extends continuously over the entire circumference. For example, two second valve portions 82 may be formed at intervals in the vertical direction. The second valve portion 82 is tightly and slidably fitted to the upper portion of the lower cylinder portion 63 of the drive cylinder portion 61. When the second valve portion 82 slides on the lower portion of the lower cylinder portion 63, a portion located above the second valve portion 82 and a portion located below the second valve portion 82 on the outer peripheral side of the lower cylinder portion 63 are formed. It communicates through the communication groove 63a. That is, the second valve portion 82 is in the valve closed state when sliding the upper portion of the lower cylinder portion 63, and is in the valve open state when sliding the lower portion of the lower cylinder portion 63.

The third valve portion 83 extends downward from a portion of the valve body 84 located radially inward of the first valve portion 81. The third valve portion 83 is formed in a tubular shape arranged coaxially with the container shaft O. The lower end of the third valve portion 83 is tightly slidably fitted to the upper portion of the lower cylinder portion 63 of the drive cylinder portion 61 and the seal leg cylinder portion 67 of the skirt portion 62. When the lower end portion of the third valve portion 83 slides on the lower portion of the lower cylinder portion 63, it is located above and below the third valve portion 83 on the outer peripheral side of the lower cylinder portion 63. The portion communicates with the communication groove 63a. That is, the third valve portion 83 is in the valve closed state when sliding the upper portion of the lower cylinder portion 63 and the seal leg cylinder portion 67, and is opened when sliding the lower portion of the lower cylinder portion 63. It becomes a state.

When the second valve portion 82 is in the valve open state, the third valve portion 83 opens and closes according to the difference between the pressure in the hydraulic pressure relief passage 91 and the pressure in the air inflow passage 92. It functions as a check valve that blocks the flow from the pressure relief passage 91 to the air inflow passage 92 and allows only the flow from the air inflow passage 92 to the hydraulic relief passage 91.
In this way, the isobaric valve 80 is provided between the hydraulic relief passage 91 and the air inflow passage 92, opens and closes the isobaric hole 27, and slides up and down on the outer peripheral surface of the plunger 60 to release the hydraulic pressure. The communication between the passage 91 and the air inflow passage 92 and the interruption thereof are switched.
Further, in the present embodiment, a fixture 86 for sandwiching the isobaric valve 80 in the vertical direction with the cylinder 20 and fixing the isobaric valve 80 to the cylinder 20 is provided. In the illustrated example, the fixture 86 is formed in an annular shape coaxially arranged with the container shaft O, and sandwiches the isobaric valve 80 in the vertical direction with the inner surface of the cylinder 20.

(Action of liquid discharge container)
Next, the operation of the liquid discharge container 1 configured as described above will be described.
<Unpressurized state>
As shown in FIG. 1, in the non-pressurized state in which the liquid discharge container 1 is not in use, the suction valve 29 and the discharge valve 51 are in the closed state, and the plunger 60 is located at the lowermost position. At the same time, the holding leg portion 68 presses the upper surface of the valve body 29a of the suction valve 29. Further, the hydraulic pressure relief passage 91 communicates with the pressurizing chamber 93.

The first valve portion 81 of the isobaric valve 80 is in pressure contact with the seal cylinder portion 30c of the sleeve 30 in the cylinder 20 to block the communication between the hydraulic pressure relief passage 91 and the inside of the container body 10. Both the second valve portion 82 and the third valve portion 83 are in pressure contact with the upper portion of the lower cylinder portion 63 of the plunger 60 to block the communication between the hydraulic pressure relief passage 91 and the air inflow passage 92.
The discharge valve 51 is maintained in the closed state unless the discharge head 56 is pushed down.

<Pump up operation-first half>
When the rotating ring 40 is rotated in the circumferential direction with respect to the container body 10 from the non-pressurized state, the plunger 60 rises while compressing the spring 47. Then, as the plunger 60 rises, the holding leg portion 68 is separated upward from the valve body 29a of the suction valve 29, and the valve body 29a can be opened.
Here, the moving range of the plunger 60 from the lowermost lower limit position to just before the tapered tubular portion 67a of the plunger 60 comes into pressure contact with the small diameter tubular portion 30b of the sleeve 30 is hereinafter referred to as a lower moving area. In this lower moving area, both the second valve portion 82 and the third valve portion 83 of the isobaric valve 80 are in pressure contact with the upper portion of the lower cylinder portion 63 of the plunger 60, and the hydraulic pressure relief passage 91 and the air inflow passage 91. Continue to cut off communication with 92.

Then, as shown in FIG. 3, when the plunger 60 exceeds the lower moving range and the tapered tubular portion 67a of the plunger 60 is pressed against the small diameter tubular portion 30b of the sleeve 30, the pressurizing chamber is subsequently raised as the plunger 60 rises. 93 becomes a negative pressure, and the valve body 29a of the suction valve 29 is separated upward from the valve seat portion 26 and opened by this negative pressure. At this time, the regulation valve 110 regulates the inflow of air from the outside through the discharge port 56a, the discharge head 56, and the communication pipe 52 into the pressurizing chamber 93.
As a result, the content liquid in the container body 10 is sucked up from the lower end opening of the suction pipe 28, passes through the suction pipe 28, and then flows into the pressurizing chamber 93 from the suction port 21a.

At this time, since the second valve portion 82 of the isobaric valve 80 continues to be in pressure contact with the upper portion of the lower cylinder portion 63 of the plunger 60, the communication between the hydraulic pressure relief passage 91 and the air inflow passage 92 is maintained in a state of being cut off. Dripping.
Almost at the same time that the tapered cylinder portion 67a starts to press contact with the small diameter cylinder portion 30b of the sleeve 30, the lower end portion of the third valve portion 83 of the isobaric valve 80 slides on the lower portion of the lower cylinder portion 63. The valve portion 83 is opened. Further, the tapered cylinder portion 67a continues to press contact with the small diameter cylinder portion 30b of the sleeve 30 until the plunger 60 reaches the upper limit position, that is, until the pump-up is completed.

Then, as the content liquid is pumped up, the inside of the container body 10 is depressurized and becomes a negative pressure, and the first valve portion 81 of the isobaric valve 80 is separated from the seal cylinder portion 30c of the sleeve 30 and opened. Then, the content liquid in the hydraulic pressure relief passage 91 flows into the container body 10 through the isobaric hole 27.

<Pump up operation-second half>
When the ball 71 reaches the vicinity of the lower end of the inclined groove 70a in the cam groove 70 due to the rotation of the rotating ring 40, the upper portion of the lower cylinder portion 63 of the plunger 60 is separated upward from the second valve portion 82 of the isobaric valve 80. The second valve portion 82 slides on the lower portion of the lower cylinder portion 63, and the seal leg cylinder portion 67 of the skirt portion 62 of the plunger 60 begins to press contact with the lower end portion of the third valve portion 83.
Here, the moving range of the plunger 60 from this position to the uppermost upper limit position is hereinafter referred to as an upper moving area.

In this upper moving region, the second valve portion 82 of the isobaric valve 80 is in the valve open state, and the third valve portion 83 allows distribution from the air inflow passage 92 to the hydraulic pressure relief passage 91 and flows in the opposite direction. Functions as a check valve to prevent.

By the way, as described above, since the hydraulic pressure relief passage 91 communicates with the inside of the container body 10 and has a negative pressure, the third valve portion 83 opens apart from the seal leg cylinder portion 67 due to this negative pressure. It becomes a valve state. As a result, the air inflow passage 92 communicates with the container body 10 through the hydraulic relief passage 91 and the isobaric hole 27, the air flows into the container body 10 through these passages, and the inside of the container body 10 is large. It becomes atmospheric pressure. This state continues until the plunger 60 reaches the upper limit position.

Then, as shown in FIG. 4, when the ball 71 reaches the lower end of the inclined groove 70a, that is, the lower end of the vertical groove 70b, the rotation of the rotating ring 40 is stopped, and the plunger 60 is positioned at the uppermost upper limit position. .. As a result, the pumping up of the content liquid is completed, the valve body 29a of the suction valve 29 is seated on the valve seat portion 26, and the suction valve 29 is closed.
At the same time as the pump-up is completed, the first valve portion 81 of the isobaric valve 80 is pressed against the seal cylinder portion 30c to close the valve, and the third valve portion 83 is pressed against the seal leg cylinder portion 67 to close the valve. Therefore, even if the liquid discharge container 1 is rolled over in this state, the content liquid does not leak to the outside of the liquid discharge container 1.

As long as the discharge valve 51 is closed, the pressurizing chamber 93 is filled with the content liquid and thus becomes a closed space. Therefore, even if the elastic restoring force of the spring 47 acts on the plunger 60, the plunger is left as it is. 60 never goes down.

<Discharge operation>
After pumping up the content liquid as described above, when the discharge head 56 is pushed down as shown in FIGS. 5 and 6, the upper mounting portion 58 of the discharge valve 51 resists the upward urging force of the urging member 54. Therefore, it moves downward with the deformation of the deformed portion 59 with respect to the lower mounting portion 57. At this time, as the valve body 53 descends, the inside of the discharge pipe 50 and the inside of the discharge head 56 communicate with each other through the communication pipe 52. Then, the regulation valve 110 is opened, and the discharge port 56a and the pressurizing chamber 93 communicate with each other through the discharge head 56, the communication pipe 52, and the discharge pipe 50.
As a result, the plunger 60 is lowered by the elastic restoring force of the spring 47, and the content liquid in the pressurizing chamber 93 is discharged from the discharge port 56a. When the plunger 60 is lowered, the ball 71 raises the vertical groove 70b of the cam groove 70 relative to the plunger 60.

As the plunger 60 descends toward the lower limit position, the inside of the hydraulic pressure relief passage 91 becomes negative pressure, but this negative pressure separates the third valve portion 83 of the isobaric valve 80 from the seal leg cylinder portion 67 and opens the valve. In this state, the air flows into the hydraulic relief passage 91 from the air inflow passage 92.
When the plunger 60 descends and the upper portion of the lower cylinder portion 63 begins to press contact with the second valve portion 82 of the isobaric valve 80, that is, when the plunger 60 leaves the upper movement area, the hydraulic pressure relief passage 91 is sealed. After that, the hydraulic pressure relief passage 91 is depressurized as the plunger 60 descends until the tapered tubular portion 67a of the plunger 60 separates from the small diameter tubular portion 30b of the sleeve 30, that is, until it reaches the lower moving region. The pressure becomes slightly negative.

<End of discharge>
The plunger 60 is lowered by the pushing-down operation of the discharge head 56, and as shown in FIG. 1, the tapered cylinder portion 67a of the plunger 60 is separated downward from the small diameter cylinder portion 30b of the sleeve 30 and is radially inside the large diameter cylinder portion 30a. When the plunger 60 reaches the lower moving area, that is, the hydraulic pressure relief passage 91 communicates with the pressurizing chamber 93, so that the positive pressure in the pressurizing chamber 93 is transmitted into the hydraulic pressure relief passage 91.

As a result, the pressure in the hydraulic pressure relief passage 91 becomes larger than the pressure in the container body 10, the first valve portion 81 of the isobaric valve 80 is separated from the seal cylinder portion 30c of the sleeve 30, and the pressure chamber 93 is filled. The content liquid (internal pressure) of the above flows into the container body 10 through the hydraulic pressure relief passage 91 and the isobaric hole 27, and the pressure in the pressurizing chamber 93 is reduced accordingly, and the regulation valve 110 is closed. , The discharge of the content liquid from the discharge port 56a is stopped.
As described above, the discharge of the content liquid from the liquid discharge container 1 is completed.

<Release press>
After the discharge is completed, the discharge head 56 is released from being pressed. At this time, the valve body 53 rises based on the elastic restoring force (upward urging force) of the urging member 54, and pushes up the discharge head 56 via the upper mounting portion 58. The discharge head 56 is also pushed up by the elastic restoring force of the deformed portion 59 that acts via the upper mounting portion 58. The discharge head 56 is restored and displaced to the initial position (rising end position) as shown in FIGS. 1 and 2.

As described above, according to the liquid discharge container 1 according to the present embodiment, the deformed portion 59 of the communication pipe 52 integrally connects the lower mounting portion 57 and the upper mounting portion 58, and the communicating pipe 52 Can be formed by one component. This makes it possible to form the discharge valve 51 with two parts, a communication pipe 52 and a valve body 53, and when the discharge valve 51 is formed with three parts as in the prior art. In comparison, the number of parts can be reduced.

Further, the deformable portion 59 is elastically deformable. Therefore, when the discharge head 56 is pressed, the upper mounting portion 58 of the discharge valve 51 descends with the deformation of the deformed portion 59, and then the pressing of the discharge head 56 is released, the elastic restoring force of the deformed portion 59 is used. Therefore, the upper mounting portion 58 can be raised with respect to the lower mounting portion 57. Thereby, as in the present embodiment, the discharge head 56 can be smoothly restored and displaced even if there is no separate member for restoring and displacementing the discharge head 56.
Further, since the urging member 54 is integrally formed with the valve body 53, the number of parts can be reliably suppressed to a small number.

By the way, in this type of liquid discharge container, when the discharge valve 51 is fixed to the discharge pipe 50 by the outer tool 120, a sealing member such as a packing is provided as a separate member between the discharge pipe 50 and the outer tool 120. It is conceivable that the discharge pipe 50 and the outer tool 120 are sealed by the sealing member.
However, in the liquid discharge container 1 according to the present embodiment, the discharge pipe 50 and the outer tool 120 are sealed by the contact between the seal convex portion 50 g of the discharge pipe 50 and the outer tool 120. Therefore, it is possible to seal between the discharge pipe 50 and the outer tool 120 without providing the sealing member between the discharge pipe 50 and the outer tool 120, and the number of parts can be reduced. ..

(Second Embodiment)
Next, the liquid discharge container 2 of the second embodiment according to the present invention will be described with reference to FIGS. 7 and 8.
In the second embodiment, the same parts as the components in the first embodiment are designated by the same reference numerals, the description thereof will be omitted, and only the different points will be described.

In the liquid discharge container 2 of the present embodiment, the regulation valve 110 is arranged in the main body 50a. The regulation valve 110 is formed by a so-called ball valve. The valve body 112 of the regulation valve 110 is formed in a spherical shape and is arranged so as to be vertically movable in the body portion 50a. The valve main body 112 is seated on the pedestal portion 50f provided on the main body portion 50a so as to be detachable upward. The pedestal portion 50f protrudes in an annular shape from the inner peripheral surface of the main body portion 50a toward the inside in the radial direction. The valve body 112 closes the inside of the pedestal portion 50f from above. The lower end of the valve body 53 is arranged in the upper end of the main body 50a so as to face the valve main body 112 in the vertical direction.
As shown in FIG. 8, the regulation valve 110 connects the outside and the pressurizing chamber 93 through the discharge port 56a, the discharge head 56, and the communication pipe 52 when the valve body 112 rises and separates from the pedestal portion 50f. Communicate. At this time, excessive movement of the valve body 112 upward is restricted by the lower end portion of the valve body 53 within the body portion 50a.

The technical scope of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

For example, in the above embodiment, the fixture 86 and the holding leg portion 68 are provided, respectively, but these may not be provided. Further, the conversion mechanism 75 may be provided between the rotation ring 40 and the plunger 60 and may convert the rotation operation of the rotation ring 40 into the ascending operation of the plunger 60, as shown in the above embodiment. Not limited.
Further, in the above embodiment, the isobaric valve 80 includes the first valve portion 81, the second valve portion 82, and the third valve portion 83. However, the isobaric hole 27 is opened and closed, and the outer peripheral surface of the plunger 60 is opened and closed. It is not limited to this as long as it slides to switch the communication between the hydraulic pressure relief passage 91 and the air inflow passage 92 and the interruption thereof.

The external tool 120 may not be present. In this case, for example, a configuration in which the rotation ring 40 and the discharge pipe 50 are sealed can be adopted. At this time, the rotating ring 40 and the discharge pipe 50 may be sealed by being in contact with each other, or may be sealed by providing a sealing member between the rotating ring 40 and the discharge pipe 50. ..
The urging member 54 may be formed separately from the valve body 53. The urging member 54 may be formed by, for example, a coil spring.
The deformable portion 59 does not have to be elastically deformable. The deformable portion 59 can appropriately adopt another form that deforms as the upper mounting portion 58 descends. Further, a means for restoring and displace the pressed discharge head 56 can be provided as a separate member from the deformed portion 59.

In addition, it is possible to replace the components in the embodiment with well-known components as appropriate without departing from the spirit of the present invention, and the above-mentioned modifications may be appropriately combined.

1, 2 Liquid discharge container 10 Container body 20 Cylinder 29 Suction valve 40 Rotating ring 47 Spring (biasing mechanism)
50 Discharge pipe 51 Discharge valve 52 Communication pipe 53 Valve body 54 Biasing member 56 Discharge head 56a Discharge port 57 Lower mounting part 58 Upper mounting part 59 Deformation part 60 Plunger 75 Conversion mechanism 93 Pressurizing chamber 110 Control valve

Claims (4)

The container body that houses the contents and the container body
The suction port at the lower end is arranged in the container body, and the cylinder fixed to the container body and
A rotating ring rotatably attached to the cylinder,
A discharge pipe provided with a discharge valve at the top and a bottom opening located inside the cylinder,
A tubular plunger that is arranged in the cylinder and is tightly fitted to the discharge pipe so as to be slidable up and down and urged downward by an urging mechanism.
A conversion mechanism provided between the rotary ring and the plunger to convert the rotary motion of the rotary ring with respect to the cylinder into an ascending motion of the plunger with respect to the cylinder.
A discharge head mounted on the discharge valve and formed with a discharge port for the content liquid,
A suction valve disposed at the suction port, which allows the content liquid in the container body to flow into the cylinder and prevents the content liquid in the cylinder from flowing out into the container body.
A liquid discharge container including the cylinder, the suction valve, the discharge pipe, and a pressurizing chamber surrounded by the plunger and in which the content liquid that has flowed into the cylinder from the inside of the container body through the suction valve is stored. hand,
The discharge valve
It has a lower mounting portion mounted on the discharge pipe, an upper mounting portion mounted on the discharge head, and a deformed portion that integrally connects the lower mounting portion and the upper mounting portion, and has the inside of the discharge pipe and the said. A communication pipe that communicates with the inside of the discharge head,
It is arranged in the communication pipe so as to be movable downward in an upwardly urged state, cuts off communication between the discharge pipe and the discharge head through the communication pipe, and the discharge head is pushed down to push down the upper mounting portion. Is provided with a valve body that communicates the inside of the discharge pipe and the inside of the discharge head through the communication pipe by lowering when the lower mounting portion is lowered with the deformation of the deformed portion.
The discharge pipe allows the content liquid to be discharged from the pressurizing chamber to the outside through the communication pipe, the discharge head, and the discharge port, and also in the discharge port, the discharge head, and the communication pipe. A liquid discharge container characterized in that a regulating valve for restricting the inflow of air from the outside through the pressurizing chamber to the pressurizing chamber is provided. The liquid discharge container according to claim 1, wherein the deformable portion is elastically deformable. The liquid discharge container according to claim 1 or 2, wherein the discharge valve further urges the valve body upward and further includes an urging member formed integrally with the valve body. Further provided with an external tool attached to the discharge pipe and fixing the discharge valve to the discharge pipe.
The liquid discharge according to any one of claims 1 to 3, wherein the discharge pipe and the external tool are brought into contact with each other to seal the space between the discharge pipe and the external tool. container.

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