Beverage dispensing taps and beverage servers

Abstract

The present invention provides a beverage dispensing tap and beverage server that require less torque to change the angle position of the valve body. [Solution] The beverage dispensing tap comprises a main body, a valve body, a first seal ring positioned between the downstream end of the first pipe section of the main body and the valve body, and a second seal ring positioned between the outer surface of the valve body and the inner surface of the recess in the main body. When the valve body is in the first angular position, the passage of the valve body communicates with the beverage introduction passage and the beverage dispensing passage of the main body. When the valve body is in the second angular position, the first seal ring and the outer surface of the valve body are in annular contact, and the through-hole of the first seal ring connected to the beverage introduction passage is blocked by the outer surface of the valve body.

Description

Technical Field

[0006] ,

[0007] , ,

[0001] The present invention relates to a beverage dispensing tap and a beverage server.

Background Art

[0002] A beverage dispensing tap having a beverage dispensing outlet for dispensing a beverage is known.

[0003] As a related technology, Patent Document 1 discloses a draft beer dispenser. FIG. 8 of Patent Document 1 depicts a draft beer discharge tap (21) provided with a rotary valve body (22).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] An object of the present invention is to provide a beverage dispensing tap and a beverage server that require less torque when changing the angular position of the valve body. Another optional object of the present invention is to provide a beverage dispensing tap and a beverage server that are easy to disassemble and clean.

Means for Solving the Problems

[0006] Hereinafter, the means for solving the problems will be described using the numbers and symbols used in the embodiments for implementing the invention. These numbers and symbols are added in parentheses for reference to show an example of the correspondence relationship between the description of the claims and the embodiments for implementing the invention. Therefore, the claims should not be construed in a limiting manner by the description in parentheses.

[0007] <In some embodiments, the beverage dispensing tap comprises a main body (2) having a first pipe section (21) defining a beverage introduction channel (Q1), a second pipe section (23) defining a beverage dispensing channel (Q3), and a recess (25) for receiving a valve body (30); a valve body (30) defining a passage (Q2) through which the beverage passes, and whose angular position can be changed between a first angular position (P1) about a first axis (AX1) and a second angular position (P2) about the first axis (AX1); a first seal ring (41) in annular contact with the downstream end (210e) of the first pipe section (21) and disposed between the downstream end (210e) and the valve body (30); and a second seal ring (42) disposed between the outer surface (31) of the valve body (30) and the inner circumferential surface (26) of the recess (25). When the valve body (30) is in the first angular position (P1), the passage (Q2) of the valve body (30) communicates with the beverage introduction passage (Q1) and the beverage dispensing passage (Q3). When the valve body (30) is in the second angular position (P2), the first seal ring (41) and the outer side surface (31) of the valve body (30) are in annular contact, and the through hole (41h) of the first seal ring (41) connected to the beverage introduction passage (Q1) is blocked by the outer side surface (31) of the valve body (30).

[0008] In the beverage dispensing tap described above, the main body (2) may have an outer tube portion (28) that receives the first tube portion (21). The outer tube portion (28) may have a mounting end portion (28a) that can be attached to another member. The main body (2) may be disassembled into a first component (PA1) having the outer tube portion (28) and a second component (PA2) having the first tube portion (21).

[0009] In the beverage dispensing tap described above, the first seal ring (41) may be in annular contact with the outer side surface (31) of the valve body (30) and also in annular contact with the inner surface (28n) of the outer tube portion (28).

[0010] In the beverage dispensing tap described above, the upstream end (21f) of the first pipe section (21) may protrude further upstream than the mounting end (28a) of the outer pipe section (28).

[0011] In the beverage dispensing tap described above, the first seal ring (41) may have a rotation prevention portion (418) that prevents relative rotation of the first seal ring (41) with respect to the first pipe portion (21).

[0012] In the beverage dispensing tap described above, the passage (Q2) may have an inlet (32) formed on the outer side surface (31) of the valve body (30) and an outlet (34) formed on the bottom surface (330) of the valve body (30).

[0013] In the beverage dispensing tap described above, when the valve body (30) is in the second angular position (P2), the passage (Q2) of the valve body (30) may be in communication with the beverage dispensing passage (Q3).

[0014] The beverage dispensing tap described above may further include a nut (60) for fixing the valve body (30) to the main body (2). The first projection (633) of the nut (60) and the valve body (30) may be in surface contact or line contact. The second projection (635) of the nut (60) and the main body (2) may be in surface contact or line contact.

[0015] In the beverage dispensing tap described above, a plurality of flow-straightening ribs (24) that suppress the swirling flow of the beverage around the central axis (AX3) of the second pipe section (23) may be provided on the inner surface of the second pipe section (23) along the beverage dispensing channel (Q3).

[0016] In some embodiments, the beverage server comprises a beverage dispensing tap and a beverage server body (110) that supplies the beverage to the beverage introduction channel (Q1) of the beverage dispensing tap. The beverage server body (110) has a connector (111) that is fluidly connected to the first pipe section (21).

[0017] In the beverage server described above, the first pipe portion (21) may have an inclined surface (210f) that is pressed by the connector (111) in a direction toward the valve body (30).

Effect of the Invention

[0018] According to the present invention, it is possible to provide a beverage dispensing tap and a beverage server that require less torque when changing the angular position of the valve body.

Brief Description of the Drawings

[0019] [Figure 1] FIG. 1 is a schematic two - view showing a beverage dispensing tap in the first embodiment schematically. [Figure 2] FIG. 2 is a schematic two - view showing a beverage dispensing tap in the first embodiment schematically. [Figure 3] FIG. 3 is a schematic two - view showing a part of the beverage dispensing tap in the first embodiment schematically. [Figure 4] FIG. 4 is a cross - sectional view taken along the line A1 - A1 in FIG. 1. [Figure 5] FIG. 5 is a cross - sectional view taken along the line A2 - A2 in FIG. 2. [Figure 6] FIG. 6 is a schematic cross - sectional view showing a part of the beverage dispensing tap in the first embodiment schematically. [Figure 7] FIG. 7 is a schematic cross - sectional view showing schematically how the main body portion of the beverage dispensing tap includes a first component and a second component. [Figure 8] FIG. 8 is a schematic perspective view showing schematically how the main body portion of the beverage dispensing tap includes a first component and a second component. [Figure 9] FIG. 9 is a view showing an enlarged part surrounded by a circle A3 in FIG. 1. [Figure 10] FIG. 10 is a schematic plan view showing an assembly including a first pipe portion, a first seal ring, and a fourth seal ring schematically. [Figure 11] FIG. 11 is a schematic perspective view showing an example of the first seal ring schematically. [Figure 12] Figure 12 is a schematic perspective view showing the first seal ring attached to the first pipe section in a modified example. [Figure 13] Figure 13 is a schematic perspective view illustrating the state of the modified example before the first seal ring is attached to the first pipe section. [Figure 14] Figure 14 is a schematic cross-sectional view illustrating the valve assembly. [Figure 15] Figure 15 is a schematic diagram showing how the beverage dispensing tap in the first embodiment is assembled. [Figure 16] Figure 16 is a schematic plan view illustrating a portion of the beverage dispensing tap in the first embodiment. [Figure 17] Figure 17 is a schematic two-view diagram illustrating the beverage dispensing tap in the first embodiment. [Figure 18] Figure 18 is a schematic cross-sectional view illustrating how the operating handle is attached to the shaft. [Figure 19] Figure 19 is a schematic cross-sectional view illustrating how the valve body can change its angular position between a first angular position, a fourth angular position, and a fifth angular position. [Figure 20] Figure 20 is a schematic cross-sectional view illustrating how the valve body changes its angular position from the second angular position to the first angular position. [Figure 21] Figure 21 is a schematic perspective view showing a portion of the beverage dispensing tap in the first embodiment. [Figure 22] Figure 22 is a schematic two-view diagram illustrating the beverage dispensing tap in the second embodiment. [Figure 23] Figure 23 is a schematic side view illustrating the beverage server in the third embodiment. [Modes for carrying out the invention]

[0020] The beverage dispensing tap 1 and beverage server 100 in the embodiment will be described below with reference to the attached drawings. In the following description, components and parts having the same function will be denoted by the same reference numerals, and repeated descriptions of components and parts denoted by the same reference numerals will be omitted.

[0021] (Definition of terms) In this specification, "upstream" and "downstream" are defined with respect to the direction of beverage flow. More specifically, in this specification, the upstream side with respect to the direction of beverage flow is the "upstream side," and the downstream side with respect to the direction of beverage flow is the "downstream side."

[0022] (First Embodiment) The beverage dispensing tap 1A in the first embodiment will be described with reference to Figures 1 to 21. Figures 1 and 2 are schematic two-view diagrams illustrating the beverage dispensing tap 1A in the first embodiment. Figure 3 is a schematic two-view diagram illustrating a portion of the beverage dispensing tap 1A in the first embodiment. Schematic plan views are shown above Figures 1 to 3, and schematic cross-sectional views are shown below Figures 1 to 3. Figure 4 is a cross-sectional view taken along the line A1-A1 in Figure 1. Figure 5 is a cross-sectional view taken along the line A2-A2 in Figure 2. Figure 6 is a schematic cross-sectional view illustrating a portion of the beverage dispensing tap 1A in the first embodiment. Figure 7 is a schematic cross-sectional view illustrating how the main body 2 of the beverage dispensing tap includes the first component PA1 and the second component PA2. Figure 8 is a schematic perspective view illustrating how the main body 2 of the beverage dispensing tap includes the first component PA1 and the second component PA2. Figure 9 is a magnified view of the area enclosed by circle A3 in Figure 1. Figure 10 is a schematic plan view schematically showing an assembly including the first pipe section 21, the first seal ring 41, and the fourth seal ring 44. Figure 11 is a schematic perspective view schematically showing an example of the first seal ring 41. Figure 12 is a schematic perspective view schematically showing the first seal ring 41 in a modified example attached to the first pipe section 21. Figure 13 is a schematic perspective view schematically showing the first seal ring 41 in a modified example before it is attached to the first pipe section 21. Figure 14 is a schematic cross-sectional view schematically showing the valve assembly 3. Figure 15 is a schematic diagram illustrating how the beverage dispensing tap 1A in the first embodiment is assembled. Figure 16 is a schematic plan view schematically showing a part of the beverage dispensing tap 1A in the first embodiment. Figure 17 is a schematic two-view drawing schematically showing the beverage dispensing tap 1A in the first embodiment. A schematic plan view is shown at the top of Figure 17, and a schematic cross-sectional view is shown at the bottom of Figure 17. Figure 18 is a schematic cross-sectional view schematically showing how the operating handle 50 is attached to the shaft portion 39. Figure 19 is a schematic cross-sectional view schematically showing how the valve body 30 can change its angular position between a first angular position P1 (more specifically, the beverage dispensing position), a fourth angular position P4 (more specifically, the first foam dispensing position), and a fifth angular position P5 (more specifically, the second foam dispensing position).Figure 20 is a schematic cross-sectional view illustrating how the valve body 30 changes its angular position from a second angular position P2 (more specifically, the dispensing stop position) to a first angular position P1 (more specifically, the beverage dispensing position). Figure 21 is a schematic perspective view illustrating a portion of the beverage dispensing tap 1A in the first embodiment.

[0023] As illustrated in Figures 1 and 2, the beverage dispensing tap 1A in the first embodiment comprises a main body 2, a valve body 30, a first seal ring 41, and a second seal ring 42.

[0024] As illustrated in Figure 3, the main body 2 has a first pipe section 21, a second pipe section 23, and a recess 25 (more specifically, a cylindrical section 250 that defines the recess 25).

[0025] The first pipe section 21 defines the beverage introduction channel Q1. The second pipe section 23 defines the beverage dispensing channel Q3. The recess 25 receives the valve body 30 (see Figure 1).

[0026] The valve body 30 defines the passage Q2 through which the beverage passes. As illustrated in Figures 4 and 5, the valve body 30 is capable of changing its angular position between a first angular position P1 around the first axis AX1 (see Figure 4) and a second angular position P2 around the first axis AX1 (see Figure 5).

[0027] As illustrated in Figure 6, the first seal ring 41 makes annular contact with the downstream end 210e of the first pipe section 21. The first seal ring 41 is also positioned between the downstream end 210e of the first pipe section 21 and the valve body 30. In the example shown in Figure 4, the central axis AX2 of the first pipe section 21 passes through the through-hole 41h of the first seal ring 41. The central axis AX2 of the first pipe section 21 and the central axis of the first seal ring 41 may substantially coincide.

[0028] As illustrated in Figure 6, the second seal ring 42 is positioned between the outer surface 31 of the valve body 30 and the inner circumferential surface 26 of the recess 25. More specifically, the second seal ring 42 is positioned between the outer surface 31 of the valve body 30 and the inner circumferential surface of the cylindrical portion 250 that defines the recess 25.

[0029] In Figure 4, when the valve body 30 is in the first angular position P1, the first seal ring 41 and the outer surface 31 of the valve body 30 are in annular contact. More specifically, when the valve body 30 is in the first angular position P1, the first seal ring 41 is in annular contact with the outer surface 31 of the valve body 30 so as to surround the inlet 32 ​​of the passage Q2 of the valve body 30. Also, when the valve body 30 is in the first angular position P1, the passage Q2 of the valve body 30 is in communication with the beverage introduction passage Q1 and the beverage dispensing passage Q3.

[0030] In Figure 5, when the valve body 30 is in the second angular position P2, the first seal ring 41 and the outer surface 31 of the valve body 30 are in annular contact. Also, when the valve body 30 is in the second angular position P2, communication between the passage Q2 of the valve body 30 and the beverage introduction channel Q1 is blocked. More specifically, when the valve body 30 is in the second angular position P2, the through-hole 41h of the first seal ring 41 connected to the beverage introduction channel Q1 is blocked by the outer surface 31 of the valve body 30.

[0031] In the beverage dispensing tap 1A of the first embodiment, when the valve body 30 is in the second angular position P2, the through-hole 41h of the first seal ring 41 connected to the beverage introduction channel Q1 is blocked by the outer side surface 31 of the valve body 30. Therefore, beverage leakage from the beverage introduction channel Q1 is unlikely to occur. In addition, because the contact area between the first seal ring 41 and the outer side surface 31 of the valve body 30 is small, the torque required around the first shaft AX1 when changing the angular position of the valve body 30 between the first angular position P1 and the second angular position P2 is small.

[0032] (Optional additional configuration) Next, with reference to Figures 1 to 21, we will describe optional additional configurations that can be adopted in the beverage dispensing tap 1A in the first embodiment (or the beverage dispensing tap 1B in the second embodiment described later).

[0033] (Outer tube part 28) In the example shown in Figure 3, the main body 2 has an outer tube portion 28 that receives the first tube portion 21. The outer tube portion 28 has a mounting end portion 28a that is attached to another member (for example, the connector 111 of the beverage server main body 110 as illustrated in Figure 23).

[0034] In the examples shown in Figures 7 and 8, the main body 2 can be disassembled into a first component PA1 (more specifically, a housing component) having an outer tube portion 28, and a second component PA2 (more specifically, a tube component) having a first tube portion 21.

[0035] If the main body 2 can be disassembled into a first part PA1 having an outer tube 28 and a second part PA2 having a first tube 21, it is easy to place the first seal ring 41 at the downstream end 210e of the first tube 21. More specifically, it is easy to attach the first seal ring 41 to the downstream end 210e of the first tube 21. Furthermore, if the first seal ring 41 or the first tube 21 is damaged, it is easy to replace the first seal ring 41 or the first tube 21. Also, it is easy to clean the first seal ring 41 or the first tube 21.

[0036] In this specification, the direction from the upstream end 21f of the first pipe section 21 toward the downstream end 210e of the first pipe section 21 is defined as the first direction DR1. In this specification, the direction opposite to the first direction DR1 is defined as the fourth direction DR4.

[0037] In the example shown in Figure 3, the end 28e of the outer tube portion 28 on the first direction DR1 side is connected to the recess 25 (more specifically, the cylindrical portion 250 defining the recess 25). The outer tube portion 28 and the recess 25 (more specifically, the cylindrical portion 250 defining the recess 25) may be integrally molded. More specifically, the outer tube portion 28 and the recess 25 (more specifically, the cylindrical portion 250 defining the recess 25) may be composed of a single part formed by integral molding.

[0038] In the example shown in Figure 3, the outer tube portion 28 is provided with a mounting end 28a. The mounting end 28a is the end of the outer tube portion 28 on the fourth direction DR4 side (in other words, the end on the side opposite to the first direction DR1).

[0039] The mounting end 28a may have a threaded portion (more specifically, a male threaded portion 28s) for fixing the outer tube portion 28 to another member (for example, the connector 111 of the beverage server body portion 110 as illustrated in Figure 23).

[0040] The outer tube portion 28 is made of resin. Alternatively, the outer tube portion 28 may be made of metal.

[0041] As illustrated in Figure 8, the outer tube portion 28 may have a rotation-restricting portion 283 (more specifically, a rotation-restricting groove 283v) that prevents relative rotation of the first tube portion 21 with respect to the outer tube portion 28. In the example shown in Figure 8, the rotation-restricting portion 283 (more specifically, the rotation-restricting groove 283v) prevents relative rotation of the first tube portion 21 with respect to the outer tube portion 28 about the central axis AX2 of the first tube portion 21.

[0042] (First pipe section 21) In the example shown in Figure 7, the first pipe section 21 has an upstream end 21f that is connected to another component (for example, the connector 111 of the beverage server body section 110 as illustrated in Figure 23). The first pipe section 21 also has a downstream end 21e to which the first seal ring 41 is attached. An annular groove 215v into which the first seal ring 41 fits may be formed in the downstream end 21e.

[0043] When the first seal ring 41 is attached to the first pipe section 21 (more specifically, the downstream end 21e of the first pipe section 21), it is easy to position the first seal ring 41 between the downstream end 210e of the first pipe section 21 and the valve body 30. More specifically, by simply attaching the first pipe section 21 to the outer pipe section 28, the first seal ring 41 can be positioned between the downstream end 210e of the first pipe section 21 and the valve body 30.

[0044] When the first seal ring 41 is attached to the first pipe section 21 (more specifically, the downstream end 21e of the first pipe section 21), it is easy to remove the first seal ring 41 from the internal space of the outer pipe section 28. More specifically, the first seal ring 41 can be removed from the internal space of the outer pipe section 28 simply by pulling the first pipe section 21 out of the outer pipe section 28.

[0045] A projection 217 may be formed on the outer circumferential surface of the first pipe section 21, which fits into a rotation-preventing groove 283v formed on the inner circumferential surface of the outer pipe section 28. In the example shown in Figure 3, the fitting between the rotation-preventing groove 283v and the projection 217 prevents relative rotation of the first pipe section 21 with respect to the outer pipe section 28, and allows sliding movement of the first pipe section 21 relative to the outer pipe section 28 in a direction along the central axis AX2 of the first pipe section 21.

[0046] In the example shown in Figure 7, the first pipe section 21 has an inclined surface 210f that is pressed toward the valve body 30 by another member (for example, the connector 111 of the beverage server body section 110 illustrated in Figure 23). In the example shown in Figure 8, the inclined surface 210f includes a tapered surface corresponding to the side surface of a frustum of a cone. In the example shown in Figure 8, the inclined surface 210f is provided at the upstream end 21f of the first pipe section 21.

[0047] When the surface pressed by another member is an inclined surface 210f, it is easier to obtain an appropriate pressing force in the first direction DR1. Also, when the inclined surface 210f includes an inclined surface 210f corresponding to the side surface of a frustocone, axial misalignment of the first pipe section 21 with respect to the outer pipe section 28 attached to the other member is less likely to occur. When the inclined surface 210f is provided at the upstream end 21f of the first pipe section 21, when the upstream end 21f of the first pipe section 21 is connected to another member (for example, the connector 111 of the beverage server body section 110 illustrated in Figure 23), a pressing force in the first direction DR1 is automatically applied to the inclined surface 210f.

[0048] As illustrated in Figure 7, a seal ring (hereinafter referred to as the "fourth seal ring 44") may be placed at the upstream end 21f. The fourth seal ring 44 is placed between the upstream end 21f of the first pipe section 21 and the inner circumferential surface 111n of another member (for example, the connector 111 of the beverage server body section 110 illustrated in Figure 23). In the example shown in Figure 7, the fourth seal ring 44 is placed so as to cross the inclined surface 210f. More specifically, an annular groove 210v is formed in the upstream end 21f (more specifically, the inclined surface 210f), and the fourth seal ring 44 is placed in the annular groove 210v.

[0049] In the example shown in Figure 1, the upstream end 21f of the first pipe section 21 protrudes upstream of the mounting end 28a of the outer pipe section 28. In this case, it is easy to pull the first pipe section 21 out of the outer pipe section 28. More specifically, the user can pull the first pipe section 21 out of the outer pipe section 28 by grasping the upstream end 21f of the first pipe section 21 and then pulling the upstream end 21f of the first pipe section 21 in the fourth direction DR4.

[0050] In the example shown in Figure 1, the upstream end 21f (more specifically, the inclined surface 210f) of the first pipe section 21 protrudes in the fourth direction DR4 direction from the mounting end 28a of the outer pipe section 28 in the direction along the central axis AX2 of the first pipe section 21.

[0051] The first pipe section 21 is made of resin. Alternatively, the first pipe section 21 may be made of metal.

[0052] (First seal ring 41) In the example shown in Figure 9, the first seal ring 41 makes annular contact with the outer surface 31 of the valve body 30 and also makes annular contact with the inner surface 28n of the outer tube portion 28. In this case, a single seal ring provides both a sealing effect between the valve body 30 and the first tube portion 21, and a sealing effect between the first tube portion 21 and the outer tube portion 28. Thus, both prevention of liquid leakage and reduction of the number of parts are achieved.

[0053] In the example shown in Figure 9, the first seal ring 41 has a first portion 411 that contacts the downstream end 210e of the first pipe section 21 in an annular manner. The first portion 411 is compressed by being sandwiched between the downstream end 210e of the first pipe section 21 and the outer surface 31 of the valve body 30. In the example shown in Figure 10, in plan view (more specifically, in the direction along the first axis AX1), the edge 411e of the first portion 411 on the first direction DR1 side has a substantially arc shape.

[0054] In the examples shown in Figures 10 and 11, the first seal ring 41 has a second portion 412. The second portion 412 includes an annular projection 412p that protrudes toward the inner surface 28n of the outer tube portion 28 (see Figure 9). As illustrated in Figure 9, the second portion 412 makes annular contact with the inner surface 28n of the outer tube portion 28.

[0055] As illustrated in Figure 9, the annular projection 412p of the second portion 412 may be positioned on the first direction DR1 side of the downstream end 210e of the first pipe portion 21. Alternatively, the annular projection 412p of the second portion 412 may be positioned on the fourth direction DR4 side of the downstream end 210e of the first pipe portion 21.

[0056] As illustrated in Figure 9, the first seal ring 41 may have a third portion 413 that makes annular contact with the annular groove 215v of the first pipe portion 21. In the example shown in Figure 9, the third portion 413 is positioned on the fourth direction DR4 side than the second portion 412.

[0057] As illustrated in Figure 12, the first seal ring 41 may have a rotation prevention portion 418 (more specifically, a rotation prevention projection 418p) that prevents relative rotation of the first seal ring 41 with respect to the first pipe portion 21. In the example shown in Figure 12, the rotation prevention portion 418 (more specifically, the rotation prevention projection 418p) prevents relative rotation of the first seal ring 41 with respect to the first pipe portion 21 about the central axis AX2 of the first pipe portion 21.

[0058] In the example shown in Figure 13, the anti-rotation projection 418p is provided at the end of the first seal ring 41 on the fourth direction DR4 side. In the example shown in Figure 13, the anti-rotation projection 418p is provided on the fourth direction DR4 side of the third portion 413 of the first seal ring 41. Also, the anti-rotation projection 418p protrudes from the third portion 413 of the first seal ring 41 in the fourth direction DR4.

[0059] In the example shown in Figure 13, the first seal ring 41 has two anti-rotation projections 418p that prevent relative rotation of the first seal ring 41 with respect to the first pipe section 21. The number of anti-rotation projections 418p on the first seal ring 41 may be one, two, or three or more.

[0060] In the example shown in Figure 13, the first pipe section 21 has a fitting section 218 (more specifically, a fitting recess 218v) that fits with the rotation prevention section 418 (more specifically, a rotation prevention projection 418p). In the example shown in Figure 12, relative rotation of the first seal ring 41 with respect to the first pipe section 21 is prevented by the fitting between the rotation prevention section 418 of the first seal ring 41 and the fitting section 218 of the first pipe section 21.

[0061] As illustrated in Figure 13, the fitting recess 218v may be provided in the first pipe section 21 so as to be connected to the annular groove 215v of the first pipe section 21. In the example shown in Figure 13, the fitting recess 218v protrudes from the annular groove 215v in the fourth direction DR4.

[0062] When relative rotation of the first seal ring 41 with respect to the first pipe section 21 is prevented, positional misalignment of the first seal ring 41 around the central axis AX2 of the first pipe section 21 is prevented. Furthermore, when the fitting portion 218 of the first pipe section 21 and the rotation prevention portion 418 of the first seal ring 41 are configured to fit together, the angular position of the first seal ring 41 around the central axis AX2 of the first pipe section 21 is automatically set appropriately when the first seal ring 41 is attached to the first pipe section 21.

[0063] In the example shown in Figure 13, the first pipe section 21 has both a fitting section 218 that fits into the rotation prevention section 418 of the first seal ring 41, and a protrusion 217 that fits into the rotation prevention section 283 (see Figure 8) formed on the inner circumferential surface of the outer pipe section 28. In this case, the fitting section 218 and the protrusion 217 appropriately set the relative angular position of the first seal ring 41 with respect to the outer pipe section 28 (see Figure 8).

[0064] (Recess 25) In the example shown in Figure 3, the recess 25 is a recess that extends along the first axis AX1. In the example shown in Figure 3, the inner circumferential surface 26 of the recess 25 has a shape that generally corresponds to the inner circumferential surface of a cylinder. The cylindrical portion 250 that defines the recess 25 has a cylindrical shape. The inner circumferential surface 26 of the recess 25 may include a first inner circumferential surface 26n, which is the upper inner circumferential surface of the recess 25, and a second inner circumferential surface 27n, which is the lower inner circumferential surface of the recess 25. In the example shown in Figure 3, the outer diameter of the second inner circumferential surface 27n is smaller than the outer diameter of the first inner circumferential surface 26n.

[0065] In this specification, the direction from the entrance 25a of the recess 25 toward the bottom surface 27t of the recess 25 is defined as the second direction DR2. In this specification, the direction opposite to the second direction DR2 is defined as the third direction DR3. In the example shown in Figure 23, with the beverage dispensing tap 1A attached to the connector 111 of the beverage server body 110, the second direction DR2 is downward (more specifically, vertically downward), and the third direction DR3 is upward (more specifically, vertically upward).

[0066] As illustrated in Figure 3, the majority of the inner circumferential surface 26 of the recess 25 may be composed of a tapered surface that gradually approaches the first axis AX1 as it moves toward the second direction DR2. In a cross-section including the first axis AX1, the angle between the tapered surface and the first axis AX1 is, for example, 4 degrees or less, 3 degrees or less, or 2 degrees or less.

[0067] In the example shown in Figure 3, the bottom 27 of the recess 25 has a ring-shaped first stepped surface 27d, a second inner circumferential surface 27n, and a ring-shaped bottom surface 27t.

[0068] In the example shown in Figure 3, the first inner surface 26n and the second inner surface 27n are connected via the first stepped surface 27d. More specifically, the lower edge of the first inner surface 26n is connected to the outer edge of the first stepped surface 27d, and the inner edge of the first stepped surface 27d is connected to the upper edge of the second inner surface 27n.

[0069] In the example shown in Figure 3, a first opening OP1 is formed on the inner circumferential surface 26 of the recess 25 (more specifically, the first inner circumferential surface 26n), which communicates with the beverage introduction channel Q1 of the first pipe section 21. More specifically, the first opening OP1 is formed at the lower end of the inner circumferential surface 26. In the example shown in Figure 3, a second opening OP2 is formed on the bottom surface 27t of the recess 25, which communicates with the beverage dispensing channel Q3.

[0070] In the example shown in Figure 3, the outer surface of the cylindrical portion 250 and the outer surface of the second pipe portion 23 are connected via a tapered surface 20c (more specifically, a tapered surface 20c that decreases in diameter as it extends downwards). In addition, in the direction along the first axis AX1, the bottom surface 27t of the recess 25 is positioned between the upper end and the lower end of the tapered surface 20c.

[0071] As illustrated in Figure 3, the recess 25 may have a rotation restricting portion 253 (more specifically, an arc-shaped rotation restricting recess 253d) that defines the range of rotational angles of the valve body 30 relative to the recess 25.

[0072] In the example shown in Figure 3, the cylindrical portion 250 defining the recess 25 has a male threaded portion 250s that screws onto the nut 60 described later. The male threaded portion 250s is formed at the upper end of the cylindrical portion 250.

[0073] The cylindrical portion 250 that defines the recess 25 is made of resin. Alternatively, the cylindrical portion 250 may be made of metal.

[0074] As illustrated in Figure 1, in this specification, one direction of rotation around the first axis AX1 is defined as the first rotation direction R1, and the direction of rotation opposite to the first rotation direction R1 is defined as the second rotation direction R2.

[0075] The rotation angle from the rotation limit angular position of the valve body 30 in the first rotational direction R1 relative to the main body 2 to the rotation limit angular position of the valve body 30 in the second rotational direction R2 relative to the main body 2 is, for example, approximately 180 degrees or approximately 90 degrees.

[0076] (Valve body 30) In the example shown in Figure 9, the passage Q2 of the valve body 30 has an inlet 32 ​​and an outlet 34. In the example shown in Figure 9, the inlet 32 ​​of the passage Q2 is formed on the outer side surface 31 of the valve body 30. On the other hand, the outlet 34 of the passage Q2 is formed on the bottom surface 330 of the valve body 30.

[0077] When the outlet 34 is formed on the bottom surface 330 of the valve body 30, the size of the beverage dispensing tap 1A in the direction along the first direction DR1 can be made more compact.

[0078] In the example shown in Figure 9, there is only one seal ring that contacts the outer surface 31 of the valve body 30 so as to abut against it. In other words, the only seal ring that contacts the outer surface 31 of the valve body 30 so as to abut against it is the first seal ring 41. In this case, the number of parts in the beverage dispensing tap 1A is reduced compared to the case where there are two or more seal rings that contact the outer surface 31 of the valve body 30 so as to abut against it. Also, in this case, the torque required to change the angular position of the valve body 30 is smaller compared to the case where there are two or more seal rings that contact the outer surface 31 of the valve body 30 so as to abut against it.

[0079] In the example shown in Figure 4, when the valve body 30 is in the first angular position P1, the passage Q2 of the valve body 30 communicates with the beverage introduction passage Q1. Also, when the valve body 30 is in the first angular position P1, the passage Q2 of the valve body 30 communicates with the beverage dispensing passage Q3.

[0080] In the example shown in Figure 4, when the valve body 30 is in the first angular position P1, the beverage introduction channel Q1, the through-hole 41h of the first seal ring 41, and the inlet 32 ​​of the passage Q2 of the valve body 30 are aligned in a straight line.

[0081] When the valve body 30 is in the first angular position P1, it is preferable that the sponge ball is configured to pass sequentially through the beverage introduction channel Q1, the valve body 30's passage Q2, and the beverage dispensing channel Q3, so that the entire inner surface of the first pipe section 21 and the entire inner surface of the valve body 30 are cleaned by the sponge ball.

[0082] In the example shown in Figure 5, when the valve body 30 is in the second angular position P2, the passage Q2 of the valve body 30 does not communicate with the beverage introduction passage Q1. On the other hand, when the valve body 30 is in the second angular position P2, the passage Q2 of the valve body 30 communicates with the beverage dispensing passage Q3.

[0083] In the examples shown in Figures 4 and 5, the passage Q2 of the valve body 30 communicates with the beverage dispensing passage Q3 both when the valve body 30 is in the first angular position P1 and when the valve body 30 is in the second angular position P2. It is preferable that the passage Q2 of the valve body 30 communicates with the beverage dispensing passage Q3 regardless of the angular position of the valve body 30. In this case, it is prevented that the beverage will accumulate in the passage Q2 of the valve body 30.

[0084] In the example shown in Figure 9, the valve body 30 has an outer side surface 31 positioned opposite the inner circumferential surface 26 of the recess 25. The outer side surface 31 may have a first outer circumferential surface 311 positioned opposite the first inner circumferential surface 26n, which is the upper inner circumferential surface of the recess 25. The first outer circumferential surface 311 may be composed of a tapered surface that gradually approaches the first axis AX1 as it moves toward the second direction DR2. Alternatively, the distance between the first outer circumferential surface 311 and the first axis AX1 may remain constant and not change as it moves toward the second direction DR2. The outer side surface 31 may have a second outer circumferential surface 312 positioned opposite the second inner circumferential surface 27n, which is the lower inner circumferential surface of the recess 25. The outer diameter of the second outer circumferential surface 312 is smaller than the outer diameter of the first outer circumferential surface 311.

[0085] In the example shown in Figure 9, the inlet 32 ​​for the passage Q2 is formed on the outer surface 31 (more specifically, the first outer peripheral surface 311) of the valve body 30.

[0086] A second annular groove 311v may be formed on the outer surface 31 of the valve body 30 (more specifically, on the first outer peripheral surface 311) to which the second seal ring 42 is attached. In the example shown in Figure 9, the inlet 32 ​​of the passage Q2 of the valve body 30 is located below the second annular groove 311v (more specifically, on the second direction DR2 side of the second annular groove 311v).

[0087] The beverage dispensing tap 1A may include a third seal ring 43 positioned between the bottom 27 of the recess 25 and the valve body 30. Alternatively, a third annular groove 312v may be formed on the outer side surface 31 of the valve body 30 (more specifically, on the second outer peripheral surface 312) to which the third seal ring 43 is attached. In the example shown in Figure 9, the third annular groove 312v is positioned below the inlet 32 ​​of the passage Q2 of the valve body 30 (more specifically, on the second direction DR2 side of the inlet 32 ​​of the passage Q2 of the valve body 30).

[0088] The valve body 30 may have a second stepped surface 37d positioned opposite the first stepped surface 27d of the recess 25. In the example shown in Figure 9, the first outer peripheral surface 311 and the second outer peripheral surface 312 are connected via the second stepped surface 37d. More specifically, the lower edge of the first outer peripheral surface 311 is connected to the outer edge of the second stepped surface 37d, and the inner edge of the second stepped surface 37d is connected to the upper edge of the second outer peripheral surface 312.

[0089] As illustrated in Figure 7, the valve body 30 may have a protrusion 38 that moves around the first axis AX1 along the rotation-restricting recess 253d described above. In the example shown in Figure 7, the protrusion 38 is located at the upper end of the valve body 30.

[0090] When the valve body 30 rotates in the first rotational direction R1 around the first shaft AX1, the protrusion 38 eventually collides with one end face e1 of the rotation-restricting recess 253d (see Figure 3). This collision defines the rotation limit angle of the valve body 30 in the first rotational direction R1. Furthermore, when the valve body 30 rotates in the second rotational direction R2 around the first shaft AX1, the protrusion 38 eventually collides with the other end face e2 of the rotation-restricting recess 253d (see Figure 3). This collision defines the rotation limit angle of the valve body 30 in the second rotational direction R2.

[0091] In the example shown in Figure 7, the passage Q2 of the valve body 30 includes a bent passage Q2-1. When the passage Q2 of the valve body 30 includes a bent passage Q2-1, the size of the beverage dispensing tap 1A can be made more compact compared to the case where a bent passage is provided in the beverage dispensing channel Q3 outside the valve body 30.

[0092] (Valve assembly 3) In the example shown in Figure 14, the beverage dispensing tap 1A includes a valve assembly 3, which includes the valve body 30 described above. The valve assembly 3 may also include a second seal ring 42 attached to the valve body 30 (more specifically, the first outer surface 311). The valve assembly 3 may also include a third seal ring 43 attached to the valve body 30 (more specifically, the second outer surface 312). Alternatively or additionally, the valve assembly 3 may include an operating handle 50 (more specifically, a lever-type operating handle 50a) and / or a fixing member 6 (more specifically, a nut 60) for fixing the valve assembly 3 to the main body 2.

[0093] In the example shown in Figure 7, the valve body 30 is the portion of the valve body assembly 3 that is located inside the recess 25. The valve body 30 is made of resin. Alternatively, the valve body 30 may be made of metal. The valve body 30 is held by the first inner surface 26n of the recess 25 via the second seal ring 42. In the example shown in Figure 7, the valve body 30 has a substantially cylindrical shape.

[0094] In the example shown in Figure 14, the valve body 30 has an outer side surface 31 and a top surface 30a. The valve body 30 may also have a first outer peripheral surface 311, a second outer peripheral surface 312, and a second stepped surface 37d connecting the first outer peripheral surface 311 and the second outer peripheral surface 312.

[0095] In the example shown in Figure 9, the valve body 30 has a projection 33 that protrudes from the second stepped surface 37d in the second direction DR2. The projection 33 is received by the bottom 27 of the recess 25. The projection 33 may be held by the second inner surface 27n of the recess 25 via a third seal ring 43. When the valve body 30 is held by the first inner surface 26n via a second seal ring 42 and the projection 33 is held by the second inner surface 27n via a third seal ring 43, the valve body 30 (or valve body assembly 3) can be stably rotated around the first axis AX1. In the example shown in Figure 9, the projection 33 has an outlet 34 for the passage Q2 of the valve body 30.

[0096] As illustrated in Figure 14, the valve assembly 3 may include a shaft portion 39 projecting in a third direction DR3 from the valve body 30 (more specifically, the top surface 30a of the valve body 30). The shaft portion 39 is made of resin. Alternatively, the shaft portion 39 may be made of metal. In the example shown in Figure 14, the valve body 30 and the shaft portion 39 are integrally molded. More specifically, the valve body 30 and the shaft portion 39 are composed of a single part formed by integral molding. Alternatively, the valve body 30 and the shaft portion 39 may be separate parts. In this case, the shaft portion 39 is fixed to the valve body 30.

[0097] The outer diameter of the shaft portion 39 is smaller than the outer diameter of the valve body 30. In the example shown in Figure 7, the shaft portion 39 is located outside the recess 25.

[0098] (Nut 60) In the example shown in Figure 7, the beverage dispensing tap 1A includes a nut 60 that secures the valve assembly 3 (more specifically, the valve body 30) to the main body 2 (more specifically, the cylindrical portion 250). In the example shown in Figure 7, the nut 60 has a female threaded portion 61s that screws onto the male threaded portion 250s of the main body 2. The nut 60 may also have a through hole 63h into which the shaft portion 39 is inserted.

[0099] In the example shown in Figure 7, the nut 60 has a skirt portion 61 on which an internal thread portion 61s is formed, and a top portion 63 that contacts the top surface 30a of the valve body 30. The skirt portion 61 protrudes downward from the outer edge of the top portion 63. The top portion 63 also has the aforementioned through hole portion 63h formed therein.

[0100] As illustrated in Figure 7, the nut 60 (more specifically, the top portion 63 of the nut 60) may have a top plate portion 631, a first projection 633, and a second projection 635. In the example shown in Figure 7, the first projection 633 is an annular projection. The first projection 633 also protrudes downward from the top plate portion 631. In the example shown in Figure 7, the second projection 635 is an annular projection. The second projection 635 also protrudes downward from the top plate portion 631. In the example shown in Figure 7, the second projection 635 is arranged concentrically with the first projection 633. The second projection 635 is also positioned between the first projection 633 and the skirt portion 61. An annular groove 634v may be formed between the first projection 633 and the second projection 635.

[0101] In the example shown in Figure 7, the first projection 633 of the nut 60 and the valve body 30 (more specifically, the top surface 30a of the valve body 30) are in surface or line contact. Also, the second projection 635 of the nut 60 and the main body 2 (more specifically, the top surface 250a of the cylindrical portion 250) are in surface (or line) contact.

[0102] When the first projection 633 and the second projection 635 make surface or line contact with the valve body 30 and the main body 2, respectively, overtightening of the nut 60 is prevented. Furthermore, when the nut 60 is tightened until the first projection 633 and the second projection 635 make surface or line contact with the valve body 30 and the main body 2, respectively, the relative position of the valve body 30 with respect to the main body 2 in the direction along the first axis AX1 is automatically set to the desired position. Thus, displacement of the valve body 30 in the direction along the first axis AX1 is avoided, and beverage leakage caused by displacement is prevented.

[0103] In the example shown in Figure 14, the valve assembly 3 includes a valve body 30, an operating handle 50 (more specifically, a lever-type operating handle 50a), a shaft portion 39 connecting the operating handle 50 and the valve body 30, and a nut 60 for fixing the valve assembly 3 to the main body portion 2 of the beverage dispensing tap 1A. In the example shown in Figure 15, the valve body 30, the operating handle 50, the shaft portion 39, and the nut 60 are integrated as a single valve assembly 3, and the valve assembly 3 can be attached to the main body portion 2 of the beverage dispensing tap 1A.

[0104] Therefore, the beverage dispensing tap 1A can be assembled easily and quickly. In the example shown in Figure 15, the beverage dispensing tap 1A can be assembled by attaching the valve assembly 3 and the first pipe section 21 to the first component PA1 (more specifically, the housing component) which has an outer pipe section 28 and a second pipe section 23.

[0105] In the example shown in Figure 1, the beverage dispensing tap 1A can be easily disassembled into a valve assembly 3, a first pipe section 21, and a first component PA1 having an outer pipe section 28 and a second pipe section 23. Therefore, it is easy to replace or clean the components of the beverage dispensing tap 1A.

[0106] In the example shown in Figure 14, the shaft portion 39 is inserted into the through-hole 63h of the nut 60, and then the operating handle 50 is attached to the shaft portion 39, thereby integrating the shaft portion 39, the nut 60, and the operating handle 50. In the example shown in Figure 14, with the operating handle 50 attached to the shaft portion 39, the nut 60, which is located between the operating handle 50 and the valve body 30, cannot be removed from the shaft portion 39. In this case, the loss of the nut 60 is prevented.

[0107] (Operating handle 50) In the example shown in Figure 16, when the operating handle 50 is in the first position T1, the valve body 30 (more specifically, the inlet 32 ​​of the passage of the valve body 30) is in the first angular position P1. When the valve body 30 is in the first angular position P1, the beverage is dispensed from the spout of the beverage dispensing tap 1A.

[0108] In the example shown in Figure 16, when the operating handle 50 is in the first position T1, in a plan view, the operating handle 50 extends along the first direction DR1. More specifically, when the operating handle 50 is in the first position T1, in a plan view, the direction from the base end of the operating handle 50 toward the tip end of the operating handle 50 coincides with the first direction DR1.

[0109] In the example shown in Figure 16, when the operating handle 50 is in the second position T2, the valve body 30 (more specifically, the inlet 32 ​​of the passage of the valve body 30) is in the second angular position P2. When the valve body 30 is in the second angular position P2, the dispensing of beverage from the spout of the beverage dispensing tap 1A is stopped.

[0110] In the example shown in Figure 16, when the operating handle 50 is in the second position T2, in a plan view, the operating handle 50 extends along a direction intersecting the first direction DR1 (more specifically, a fifth direction DR5 that is substantially perpendicular to the first direction DR1). More specifically, when the operating handle 50 is in the second position T2, in a plan view, the direction from the base end of the operating handle 50 toward the tip end of the operating handle 50 coincides with a fifth direction DR5 that is different from the first direction DR1 (more specifically, a fifth direction DR5 that is substantially perpendicular to the first direction DR1 in a plan view).

[0111] In this specification, the operating direction of the operating handle 50 from the first position T1 to the second position T2 is defined as the first operating direction MR1. In the example shown in Figure 16, the first operating direction MR1 is the first rotational direction R1 around the first axis AX1 in a plan view. The first operating direction MR1 is counterclockwise. In the example shown in Figure 16, dispensing of beverage from the spout of the beverage dispensing tap 1A is started when the operating handle 50 is moved from the second position T2 to the first position T1. Dispensing of beverage from the spout of the beverage dispensing tap 1A is stopped when the operating handle 50 is moved from the first position T1 to the second position T2 (more specifically, when the operating handle 50 is operated in the first operating direction MR1 until it reaches the second position T2).

[0112] In the example shown in Figure 16, when the operating handle 50 is in the third position T3, the valve body 30 (more specifically, the inlet 32 ​​of the passage of the valve body 30) is in the third angular position P3 (more specifically, the third angular position P3 around the first axis AX1). When the valve body 30 is in the third angular position P3, the dispensing of beverage from the spout of the beverage dispensing tap 1A is stopped.

[0113] In the example shown in Figure 17, when the valve body 30 is in the third angular position P3, the first seal ring 41 and the outer surface 31 of the valve body 30 are in annular contact. Also, when the valve body 30 is in the third angular position P3, communication between the passage Q2 of the valve body 30 and the beverage introduction passage Q1 is blocked. More specifically, the through hole 41h of the first seal ring 41 connected to the beverage introduction passage Q1 is blocked by the outer surface 31 of the valve body 30. In the example shown in Figure 17, when the valve body 30 is in the third angular position P3, the passage Q2 of the valve body 30 does not communicate with the beverage introduction passage Q1. On the other hand, when the valve body 30 is in the third angular position P3, the passage Q2 of the valve body 30 communicates with the beverage dispensing passage Q3.

[0114] In the example shown in Figure 16, when the operating handle 50 is in the third position T3, in a plan view, the operating handle 50 extends along a direction intersecting the first direction DR1 (more specifically, a sixth direction DR6 that is substantially perpendicular to the first direction DR1). More specifically, when the operating handle 50 is in the third position T3, in a plan view, the direction from the base end of the operating handle 50 toward the tip end of the operating handle 50 coincides with a sixth direction DR6 that is different from the first direction DR1 (more specifically, a sixth direction DR6 that is substantially perpendicular to the first direction DR1 in a plan view). In this specification, when the plane passing through the central axis of the first pipe section 21 and parallel to the vertical is defined as the first plane PL1, in the example shown in Figure 16, the sixth direction DR6 is symmetrical to the fifth direction DR5 with respect to the first plane PL1.

[0115] In this specification, the operating direction of the operating handle 50 from the first position T1 to the third position T3 is defined as the second operating direction MR2. In the example shown in Figure 16, the second operating direction MR2 is the second rotational direction R2 around the first axis AX1 in a plan view. The second operating direction MR2 is also clockwise. In the example shown in Figure 16, dispensing of beverage from the spout of the beverage dispensing tap 1A is started when the operating handle 50 is moved from the third position T3 to the first position T1. Dispensing of beverage from the spout of the beverage dispensing tap 1A is stopped when the operating handle 50 is moved from the first position T1 to the third position T3 (more specifically, when the operating handle 50 is operated in the second operating direction MR2 until it reaches the third position T3).

[0116] In the example shown in Figure 16, the dispensing of beverage from the spout of the beverage dispensing tap 1A can be stopped by operating the operating handle 50 in the first operating direction MR1, from the first position T1 to the second position T2, and by operating the operating handle 50 in the second operating direction MR2, from the first position T1 to the third position T3. Therefore, both right-handed and left-handed users can easily operate the operating handle 50.

[0117] In the example shown in Figure 18, the operating handle 50 can be disassembled into an upper member 56 and a lower member 57. In the example shown in Figure 18, the lower member 57 of the operating handle 50 is attached to the shaft portion 39 via a fixing member such as a screw member, and then the upper member 56 of the operating handle 50 is attached to the lower member 57 via a fixing member such as a screw member, thereby integrating the operating handle 50 and the shaft portion 39.

[0118] The operating handle 50 is made of resin. Alternatively, the operating handle 50 may be made of metal.

[0119] (beverage) In this specification, "beverage" may refer to an alcoholic beverage or a non-alcoholic beverage. In this specification, "beverage" may refer to a sparkling beverage (for example, a malt-based sparkling beverage such as beer).

[0120] (Dispensing foam) In the example shown in Figure 19, when the valve body 30 is located at the fourth angular position P4 around the first axis AX1, foam generated from the beverage is dispensed from the spout of the beverage dispensing tap 1A. The fourth angular position P4 is an angular position located between the first angular position P1 and the second angular position P2 (see Figure 5). In the example shown in Figure 19, when the valve body 30 is located at the fourth angular position P4 around the first axis AX1, the outlet of the beverage introduction channel Q1 and the inlet 32 ​​of the passage Q2 of the valve body 30 slightly overlap. As a result, the overlapping portion between the outlet of the beverage introduction channel Q1 and the inlet 32 ​​of the passage Q2 of the valve body 30 functions as a throat portion, and foam is generated from the beverage as it passes through this throat portion. The generated foam is dispensed from the spout of the beverage dispensing tap 1A.

[0121] As illustrated in Figure 19, when the valve body 30 is located at a fifth angular position P5 around the first axis AX1, the foam generated from the beverage may be dispensed from the spout of the beverage dispensing tap 1A. The fifth angular position P5 is an angular position located between the first angular position P1 and the third angular position P3 (see Figure 17). In the example shown in Figure 19, when the valve body 30 is located at the fifth angular position P5 around the first axis AX1, the outlet of the beverage introduction channel Q1 and the inlet 32 ​​of the passage Q2 of the valve body 30 slightly overlap. As a result, the overlapping portion between the outlet of the beverage introduction channel Q1 and the inlet 32 ​​of the passage Q2 of the valve body 30 functions as a throat portion, and foam is generated from the beverage as it passes through this throat portion. The generated foam is dispensed from the spout of the beverage dispensing tap 1A. In the example shown in Figure 19, the fifth angular position P5 is symmetrical to the fourth angular position P4 with respect to the first plane PL1 (in other words, the plane passing through the central axis of the first pipe section 21 and parallel to the vertical direction).

[0122] (Second pipe section 23) As illustrated in Figure 1, the second pipe section 23 defines the beverage dispensing channel Q3. The second pipe section 23 has a dispensing port OP3 for dispensing beverages. The dispensing port OP3 may also function as a foam dispensing port for dispensing foam. More specifically, the dispensing port OP3 that dispenses beverages when the valve body 30 is in the first angular position P1 and the dispensing port OP3 that dispenses foam when the valve body is in the fourth angular position P4 (or the fifth angular position P5) may be the same.

[0123] In the example shown in Figure 3, the upstream end 23f of the second pipe section 23 is connected to the recess 25 (more specifically, the cylindrical section 250 defining the recess 25). The second pipe section 23 and the recess 25 (more specifically, the cylindrical section 250 defining the recess 25) may be integrally molded. More specifically, the second pipe section 23 and the recess 25 (more specifically, the cylindrical section 250 defining the recess 25) may be composed of a single part formed by integral molding. Alternatively, the parts constituting the second pipe section 23 may be different parts from the parts constituting the recess 25. For example, the parts constituting the second pipe section 23 may be attached to the parts constituting the recess 25.

[0124] The second pipe section 23 is made of resin. Alternatively, the second pipe section 23 may be made of metal.

[0125] In the example shown in Figure 1, the second pipe section 23 is positioned vertically below the valve body 30. In this case, the size of the beverage dispensing tap 1A in plan view can be made more compact. Also, the distance between the beverage server body 110 (see Figure 23) and the dispensing outlet OP3 can be reduced. The dispensing outlet OP3 may also be positioned vertically below the valve body 30.

[0126] In the example shown in Figure 1, the central axis AX3 of the second pipe section 23 extends along the first axis AX1. The central axis AX3 of the second pipe section 23 may be coaxial with the first axis AX1. Alternatively, the central axis AX3 of the second pipe section 23 may be slightly inclined with respect to the first axis AX1.

[0127] In the example shown in Figure 20, as the valve body 30 moves from the second angular position P2 to the first angular position P1, a beverage flow with a swirling component (more specifically, a beverage flow with an angular momentum component around the first axis AX1) is generated in the passage Q2 of the valve body 30 (see the dashed arrow in the center diagram of Figure 20). When the beverage flow has a swirling component, the beverage is dispensed from the outlet OP3 while swirling around the central axis AX3 of the second pipe section 23. As a result, the behavior of the beverage dispensed from the outlet OP3 may be unstable, and excessive foam may be generated from the beverage.

[0128] Therefore, in the example shown in Figure 21, multiple straightening ribs 24 are provided on the inner surface of the second pipe section 23 along the beverage dispensing channel Q3 to suppress the swirling flow of the beverage around the central axis AX3 of the second pipe section 23 (more specifically, they are provided along the longitudinal direction of the second pipe section 23). In this way, when the valve body 30 is half-open (more specifically, while the valve body 30 is moving from the second angular position P2 to the first angular position P1), the multiple straightening ribs 24 suppress the swirling flow of the beverage around the central axis AX3 of the second pipe section 23. In addition, the multiple straightening ribs 24 prevent the beverage from being dispensed from the dispensing port OP3 while it is swirling around the central axis AX3 of the second pipe section 23.

[0129] (Second embodiment) Referring to Figure 22, the beverage dispensing tap 1B in the second embodiment will be described. Figure 22 is a schematic two-view drawing illustrating the beverage dispensing tap 1B in the second embodiment. The upper part of Figure 22 shows a schematic plan view, and the lower part of Figure 22 shows a schematic cross-sectional view.

[0130] The second embodiment differs from the first embodiment in that the third seal ring 43 is not positioned below the inlet 32 ​​of the passage Q2 of the valve body 30.

[0131] In the second embodiment, the focus will be on the differences from the first embodiment, and repetitive explanations of matters already explained in the first embodiment will be omitted. Therefore, it goes without saying that even if not explicitly explained in the second embodiment, matters already explained in the first embodiment can be adopted in the second embodiment.

[0132] In the example shown in Figure 22, the beverage dispensing tap 1B in the second embodiment comprises: (1) a main body 2 having a first pipe section 21 defining a beverage introduction channel Q1, a second pipe section 23 defining a beverage dispensing channel Q3, and a recess 25 for receiving a valve body 30; (2) a valve body 30 defining a passage Q2 through which the beverage passes, and whose angular position can be changed between a first angular position about a first axis AX1 and a second angular position about the first axis AX1; (3) a first seal ring 41 that is in annular contact with the downstream end of the first pipe section 21 and is disposed between the downstream end and the valve body 30; and (4) a second seal ring 42 disposed between the outer surface 31 of the valve body 30 and the inner circumferential surface of the recess 25. (5) When the valve body 30 is in the first angular position, the passage Q2 of the valve body 30 communicates with the beverage introduction channel Q1 and the beverage dispensing channel Q3. Furthermore, (6) when the valve body 30 is in the second angular position, the first seal ring 41 and the outer surface 31 of the valve body 30 are in annular contact, and the through hole 41h of the first seal ring 41 connected to the beverage introduction channel Q1 is blocked by the outer surface 31 of the valve body 30.

[0133] Therefore, the beverage dispensing tap 1B in the second embodiment has the same effect as the beverage dispensing tap 1A in the first embodiment.

[0134] In the example shown in Figure 22, the third seal ring 43 is not positioned below the inlet 32 ​​of the passage Q2 of the valve body 30. Therefore, the accumulation of beverage in the gap between the valve body 30 and the inner surface of the recess 25 is suppressed.

[0135] In the example shown in Figure 22, two seal rings (42, 43) are positioned above the inlet 32 ​​of the passage Q2 of the valve body 30, between the outer surface 31 of the valve body 30 and the inner surface of the recess 25. More specifically, above the inlet 32 ​​of the passage Q2 of the valve body 30, a second seal ring 42 is positioned between the outer surface 31 of the valve body 30 and the inner surface of the recess 25. Above the second seal ring 42, a third seal ring 43 is positioned between the outer surface 31 of the valve body 30 and the inner surface of the recess 25. Note that in the example shown in Figure 22, the third seal ring 43 may be omitted. In other words, the number of seal rings positioned between the outer surface 31 of the valve body 30 and the inner surface of the recess 25 may be just one.

[0136] (Third embodiment) The beverage server 100 in the third embodiment will be described with reference to Figures 1 to 23. Figure 23 is a schematic side view illustrating the beverage server 100 in the third embodiment. In Figure 23, a portion of the beverage server 100 is cut out, and the cross-section of the cut-out portion is shown.

[0137] As illustrated in Figure 23, the beverage server 100 in the third embodiment comprises (1) a beverage dispensing tap 1 and (2) a beverage server body 110 that supplies beverage to the beverage introduction channel Q1 of the beverage dispensing tap 1. The beverage dispensing tap 1 may be the beverage dispensing tap 1A in the first embodiment or the beverage dispensing tap 1B in the second embodiment. The beverage dispensing tap 1A in the first embodiment and the beverage dispensing tap 1B in the second embodiment have already been described in the first and second embodiments, respectively. Therefore, a repetitive explanation of the beverage dispensing tap 1A in the first embodiment and the beverage dispensing tap 1B in the second embodiment will be omitted.

[0138] In the example shown in Figure 23, the beverage server body 110 has a connector 111 that is fluidly connected to the first pipe section 21. The beverage server 100 may also have a liquid receiving section 130 positioned vertically below the spout OP3 of the beverage dispensing tap 1. The liquid receiving section 130 can receive any beverage dripping from the spout OP3 after the beverage dispensing has stopped.

[0139] The beverage server 100 in the third embodiment provides the same effects as the beverage dispensing tap 1A in the first embodiment or the beverage dispensing tap 1B in the second embodiment.

[0140] (Optional additional configuration) Next, with reference to Figures 1 to 23, optional additional configurations that can be adopted in the beverage server 100 in the third embodiment will be described.

[0141] (Connector 111) In the example shown in Figure 23, the connector 111 includes a first connector portion 111a that screws onto the mounting end 28a (more specifically, the male threaded portion 28s) of the outer tube portion 28, and a second connector portion 111b that connects to the first tube portion 21. In the example shown in Figure 23, the mounting end 28a of the outer tube portion 28 is positioned on the first direction DR1 side than the second connector portion 111b. In the example shown in Figure 23, the first connector portion 111a is positioned outside the second connector portion 111b. In the example shown in Figure 23, the first connector portion 111a includes a nut that screws onto the mounting end 28a of the outer tube portion 28. The first connector portion 111a is also relatively movable relative to the second connector portion 111b in a direction parallel to the first direction DR1. The second connector portion 111b may have a stopper 112b to prevent the first connector portion 111a from falling off the second connector portion 111b.

[0142] In the example shown in Figure 23, the first pipe section 21 has an inclined surface 210f that is pressed toward the valve body 30 by the connector 111 (more specifically, the second connector section 111b).

[0143] In the example shown in Figure 23, the connector 111 (more specifically, the second connector portion 111b) has a second inclined surface 113b that is complementary in shape to the inclined surface 210f of the first pipe portion 21.

[0144] In the example shown in Figure 23, the mounting end 28a of the outer tube portion 28 is attached to the connector 111, causing the first tube portion 21 to be pressed in the first direction DR1 by the connector 111, and the first tube portion 21 to move relative to the outer tube portion 28 in the first direction DR1. In this way, the first seal ring 41 is pressed against the outer side surface of the valve body 30.

[0145] In the example shown in Figure 23, it is preferable that the inclined surface 210f of the first pipe section 21 and the second inclined surface 113b of the connector 111 are configured to be in surface contact when the fourth seal ring 44 is compressed. In this case, excessive relative movement of the first pipe section 21 in the first direction DR1 relative to the outer pipe section 28 is prevented, and excessive pressure of the first seal ring 41 against the outer surface of the valve body 30 is prevented. As a result, variations in the torque required to operate the operating handle 50 are suppressed.

[0146] (Type of beverage dispenser) In the third embodiment, the beverage server 100 may be an instant-cooling type beverage server (for example, an ice-cooled beer server) that incorporates a cooling pipe 120 for cooling beverages at room temperature. In this case, the beverage server body 110 may include a housing 118 that houses the cooling pipe 120 for cooling beverages, and the cooling pipe 120 may be configured to receive and cool beverages from a beverage storage container located outside the housing 118, and to supply the cooled beverages to the beverage dispensing tap 1.

[0147] Alternatively, the beverage server 100 in the third embodiment may be a beverage storage container-cooled beverage server (e.g., a keg-cooled beer server) equipped with a refrigerator for cooling the beverage storage container itself (e.g., the beer keg itself) that stores the beverage to be supplied to the beverage dispensing tap 1. In this case, the beverage server body 110 may include a housing with a refrigeration function for cooling the beverage storage container.

[0148] The present invention is not limited to the embodiments or modifications described above, and it is clear that each embodiment or modification can be appropriately modified or changed within the scope of the technical concept of the present invention. Furthermore, the various technologies used in each embodiment or modification can be applied to other embodiments or other modifications, as long as no technical inconsistencies arise. In addition, any optional additional configurations in each embodiment or modification can be omitted as appropriate. [Explanation of Symbols]

[0149] 1, 1A, 1B: Beverage dispensing taps 2: Main body 3: Valve body assembly 3a: Valve member body 6: Fixing member 20c: Tapered surface 21: First Section 21e: Downstream end 21f: Upstream end 23: Second Section 23f: Upstream end 24: Flow straightening ribs 25: Recess 25a: Entrance 26: Inner surface 26n: 1st inner peripheral surface 27: Bottom 27d: 1st step surface 27n: 2nd inner peripheral surface 27t: Bottom 28: Outer tube part 28a: Mounting end 28e: End 28n: Inner surface 28s: Male threaded section 30: Valve body 30a:Top surface 31:Outer side 32: Entrance 33:Protrusion 34: Exit 37d: 2nd step surface 38: Convex part 39: Shaft section 41: First seal ring 41h: Through hole part 42: Second seal ring 43: Third seal ring 44: Fourth seal ring 50: Operating handle 50a: Lever-type operating handle 56: Upper member 57: Lower part 60: Nut 61: Skirt section 61s: Female thread section 63:Top 63h: Through hole part 100: Beverage dispenser 110: Beverage server main unit 111: Connector 111a: Connector part 1 111b: Connector part 2 111n: Inner surface 112b: Stopper 113b: 2nd slope 118: Housing 120: Cooling pipe 130: Liquid receiving section 210e: downstream end 210f: Inclined surface 210v: Ring groove 215v: Ring groove 217: Convex part 218: Fitting part 218v: Mating recess 250:Cylinder part 250a:Top surface 250s: Male threaded part 253: Rotation restricting section 253d: Rotation restriction recess 283: Rotation prevention part 283v: Rotation prevention groove 311: First outer surface 311v: Second annular groove 312: Second outer peripheral surface 312v: Third annular groove 330: Bottom surface 411: First part 411e: Edge 412: Second part 412p: Annular convex part 413: Third part 418: Anti-rotation part 418p: Anti-rotation protrusion 631: Top plate part 633: First protrusion 634v: Annular groove 635: Second protrusion AX1: First axis AX2: Central axis AX3: Central axis DR1: First direction DR2: Second direction DR3: Third direction DR4: Fourth direction DR5: Fifth direction DR6: Sixth direction MR1: First operation direction MR2: Second operation direction OP1: First opening OP2: Second opening OP3: Pouring outlet P1: First angular position P2: Second angular position P3: Third angular position P4: Fourth angular position P5: Fifth angular position PA1: First component PA2: Second component PL1: First surface Q1: Beverage inlet flow path<0​​​​​​​​​​​​​​​​​​​

Claims

1. A main body having a first pipe section defining a beverage introduction channel, a second pipe section defining a beverage dispensing channel, and a recess for receiving a valve body, A valve body that defines a passage through which a beverage passes, and whose angular position can be changed between a first angular position around a first axis and a second angular position around the first axis, A first seal ring is in annular contact with the downstream end of the first pipe section and is positioned between the downstream end and the valve body, A second seal ring is positioned between the outer surface of the valve body and the inner circumferential surface of the recess. It is equipped with, When the valve body is in the first angular position, the passage of the valve body communicates with the beverage introduction channel and the beverage dispensing channel. When the valve body is in the second angular position, the first seal ring and the outer surface of the valve body are in annular contact, and the through hole of the first seal ring connected to the beverage introduction channel is blocked by the outer surface of the valve body. Beverage dispensing tap.

2. The main body portion has an outer tube portion that receives the first tube portion, The outer tube portion has a mounting end that is attached to another member, The main body can be disassembled into a first component having the outer tube and a second component having the first tube. The beverage dispensing tap according to claim 1.

3. The first seal ring contacts the outer surface of the valve body in an annular manner, and also contacts the inner surface of the outer tube portion in an annular manner. The beverage dispensing tap according to claim 2.

4. The upstream end of the first pipe section protrudes further upstream than the mounting end of the outer pipe section. The beverage dispensing tap according to claim 2.

5. The first seal ring has a rotation prevention portion that prevents relative rotation of the first seal ring with respect to the first pipe portion. The beverage dispensing tap according to claim 2.

6. The aforementioned passage is An inlet formed on the outer side surface of the valve body, An outlet formed on the bottom surface of the valve body and has A beverage dispensing tap according to any one of claims 1 to 5.

7. When the valve body is in the second angular position, the passage of the valve body communicates with the beverage dispensing channel. A beverage dispensing tap according to any one of claims 1 to 5.

8. The valve body is further provided with a nut for fixing it to the main body, The first protrusion of the nut and the valve body make surface contact or line contact. The second protrusion of the nut and the main body make surface contact or line contact. A beverage dispensing tap according to any one of claims 1 to 5.

9. Multiple flow-straightening ribs are provided on the inner surface of the second pipe along the beverage dispensing channel to suppress the swirling flow of the beverage around the central axis of the second pipe. A beverage dispensing tap according to any one of claims 1 to 5.

10. A beverage dispensing tap according to any one of claims 1 to 5, A beverage server main body that supplies the beverage to the beverage introduction channel of the beverage dispensing tap and It is equipped with, The beverage server body has a connector that is fluidly connected to the first pipe section. Beverage dispenser.

11. The first pipe section has an inclined surface that is pressed by the connector in a direction toward the valve body. The beverage server according to claim 10.

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