Liquid dispensing device and valve assembly for use therewith

Abstract

A liquid dispensing device for use with a flexible bag containing a liquid and having a spigot connected thereto includes a housing, a valve assembly and a member. The housing includes an upper part having a receiver configured to receive the spigot. The valve assembly is housed within the receiver and includes a liquid channel and a valve. The liquid channel has an inner end configured to connect to the spigot, and an outer end opposite the inner end. The valve, which is positioned closer to the outer end than the inner end, includes a closed position, in which a flow of the liquid through the liquid channel is prevented, and an open position for dispensing the liquid through the liquid channel. The member is configured to keep the spigot in a permanent open position when the spigot is connected to the inner end of the liquid channel.

Claims

1. A liquid dispensing device for use with a flexible bag containing a liquid and having a spigot connected thereto, the device comprising: a housing configured to receive the bag, the housing including an upper part having a receiver configured to receive the spigot; a valve assembly housed within the receiver, the valve assembly including a liquid channel having a valve, the liquid channel including an inner end configured to connect to the spigot in a liquid-tight manner, and an outer end opposite the inner end, the valve, which is positioned closer to the outer end than the inner end, includes a closed position, in which a flow of the liquid through the liquid channel is prevented, and an open position for dispensing the liquid through the liquid channel; and a member configured to keep said spigot in a permanent open position when the spigot is connected to said inner end of the liquid channel.

2. The device according to claim 1, wherein the inner end of the liquid channel is defined in an adapter part that is connected to the valve assembly in a removable manner.

3. The device according to claim 2, wherein the valve assembly is removably housed in the receiver, and wherein the valve assembly and the adapter part include disconnectable locking members configured to removably connect the valve assembly and the adapter part, wherein the disconnectable locking members are only accessible when the valve assembly is not housed in the receiver.

4. The device according to claim 2, wherein the valve assembly and the adapter part comprise cooperating interfaces allowing a connection in one relative position only.

5. The device according to claim 2, wherein an assembly of the valve assembly and the adapter part connected therewith has an invariable outer shape.

6. The device according to claim 2, wherein the member configured to keep the spigot in a permanent open position is part of the adapter part.

7. The device according to claim 2, wherein the housing is provided with a storage space configured to receive one or more adapter parts.

8. The device according to claim 7, wherein the storage space comprises a drawer.

9. The device according to claim 1, wherein the valve of the valve assembly is configured to mix the liquid with ambient air when in said open position.

10. The device according to claim 1, including a cooling mechanism configured to cool a bag.

11. The device according to claim 1, wherein the housing includes a support member configured to support the flexible bag, wherein the support member is movable between a lowermost position, which is remote from the receiver for supporting a full bag, and an uppermost position, which is near the receiver for supporting a substantially emptied bag, and wherein the support member includes an inclined upper support surface sloping down to a side of the receiver.

12. The device according to claim 1, wherein an outer surface of the housing includes an indicator about a type of bag received therein.

13. The device according to claim 12, wherein the indicator comprises a receptacle configured to receive an information carrier including at least one of symbols or words.

14. The device according to claim 1 and comprising a temperature indicator for the temperature of the bag.

15. A valve assembly for use in a liquid dispensing device for use with a flexible bag containing a liquid and having a spigot connected thereto, the valve assembly comprising: a liquid channel including an inner end configured to connect to the spigot of the flexible bag in a liquid-tight manner, and an outer end opposite the inner end; and a valve, which is positioned closer to the outer end than the inner end, includes a closed position, in which a flow of the liquid through the liquid channel is prevented, and an open position for dispensing the liquid through the liquid channel; and a member configured to keep said spigot in a permanent open position when the spigot is connected to said inner end of the liquid channel.

16. The valve assembly according to claim 15, wherein the inner end of the liquid channel is defined in a separate adapter part that is connected to the valve assembly in a removable manner.

17. The valve assembly according to claim 16, wherein the valve assembly is removably housed in a receiver of a housing, and wherein the valve assembly and the adapter part include disconnectable locking members configured to removably connect the valve assembly and the adapter part, wherein the disoconnectable locking members are only accessible when the valve assembly is not housed in the receiver.

18. The valve assembly according to claim 16, wherein the valve assembly and the adapter part comprise cooperating interfaces allowing a connection in one relative position only.

19. The valve assembly according to claim 16, wherein an assembly of the valve assembly and the adapter part connected therewith has an invariable outer shape.

20. The valve assembly according to claim 16, wherein the member for keeping the spigot in a permanent open position is part of the adapter part.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) Hereinafter aspects of the invention will be elucidated while referring to the drawings, in which:

(2) FIG. 1 is a vertical cross-section through an embodiment of the device, housing a full flexible bag containing a liquid;

(3) FIG. 2 is a vertical cross-section in accordance with FIG. 1 in which the device houses a nearly empty flexible bag;

(4) FIG. 3 is a detail of the cross-section of FIG. 1 on a larger scale and showing the valve assembly;

(5) FIG. 4 in a perspective view illustrates a flexible bag attached to a valve assembly;

(6) FIG. 5 in a perspective view shows four different adapters with corresponding different types of spigots;

(7) FIG. 6 in a perspective view shows further embodiments of adapters;

(8) FIG. 7 shows a perspective frontal view of an embodiment of the device, and

(9) FIG. 8 shows a perspective rear view of the embodiment of the device according to FIG. 7.

DETAILED DESCRIPTION

(10) The liquid dispensing device is intended for use with a flexible bag 1 (best illustrated in FIG. 4) containing said liquid and having a spigot 2 connected thereto. The spigot 2 is of the type comprising a valve member to be operated manually. The device basically comprises a housing 3 for receiving the bag 1. The housing 3 in its upper part is provided with a receiver (housing a valve assembly 4 to be described later) for receiving the spigot 2.

(11) The housing further is provided with a support member 5 for the flexible bag 1 which is movable between a lowermost position (as represented in FIG. 1) remote from the valve assembly 4 for supporting a full bag 1, and an uppermost position (as represented in FIG. 2) near to the valve assembly 4 for supporting a substantially emptied bag 1. For achieving its upward movement, the support member 5 is upwardly loaded by a biasing member, such as a compression spring 6, whereas further a damper 7 (for example a pneumatic or hydraulic damper) is provided for slowing down the upward movement of the support member 5 in the event that no bag is present.

(12) The compression spring 6 preferably provides a spring force which decreases in correspondence with a decreasing weight of a bag 1 (as a result of a part of the liquid being dispensed through the valve assembly 4) during the upward movement of the support member 5.

(13) The support member 5 (which may be configured as a plate) has an inclined upper support surface 8 sloping down (with a first slope) to the side of the valve assembly 4, as is clearly visible in FIGS. 1 and 2. This upper support surface 8 comprises, at its side facing the valve assembly 4, a section 9 (best seen in FIG. 1) with a steeper downward slope for, in the uppermost position of the support member 5 (see FIG. 2), defining between said section 9 and the inner end of the valve assembly 4 a receiving space for part of a substantially emptied bag 1 (in FIG. 2 indicated schematically by crinkles 10). As a result the outflow of liquid through the valve assembly 4 will not be blocked by the bag 1 in such a situation.

(14) As clearly visible in FIG. 3, the valve assembly 4 defines there through a liquid channel 11 which has an inner end defined in a separate adapter part 12 which is connected to the remainder 13 of the valve assembly 4 in a removable manner. Thus the adapter part 12 may be replaced by another adapter part, if needed. Previous to use, the adapter part 12 firstly with one end is connected to the remainder 13 of the valve assembly and next with the opposite end is connected to the spigot 2 (which then will be opened automatically). Finally, the bag 1 together with the valve assembly thus assembled, is placed into the device (which has a receiving chamber 27 for receiving the valve assembly 4).

(15) The adapter part 12 is adapted for, in a liquid-tight manner, receiving the spigot 2 of the flexible bag 1. Further, the adapter part 12 is provided with a member for keeping the spigot 2 in a permanent open position when the spigot is received in the adapter part. The position and construction of such a member will depend from the type of spigot 2. FIG. 5 shows as an example a range of four possible types of spigots 2 with corresponding adapter parts 12. Each adapter part 12 therefore at one end has a specific shape for receiving a specific type of spigot 2, but another end (lower end) of all adapter parts 12 is identically shaped for a connection with the remainder 13 of the valve assembly 4. The adapter parts 12 and valve assembly 4 preferably comprise cooperating interfaces allowing a connection in one relative position only.

(16) FIG. 6 illustrates examples of different manners in which an adapter part 12 may receive a spigot 2. In the left embodiment the adapter part 12 comprises a slidable top part 19 which in an upper position (as illustrated) allows the introduction of the spigot 2 into the adapter part and thereafter is slid down. Inner members (not visible) may be connected to said top part 19 to move along therewith for engaging operating parts 29 of the spigot 2 for keeping it in a permanent open position. The other two views in FIG. 6 relate to an adapter part 12 having a hingeable top part 20 which in an upwardly hinged position (as illustrated) allows the introduction of the spigot 2 into the adapter part and thereafter is hinged down. Here an inner member 30 is illustrated for engaging an operating member 29 of the spigot 2 for keeping it open.

(17) It is noted that the valve assembly 4 is removably housed in the receiving chamber 27. The valve assembly 4 and adapter part 12, for defining a removable connection there between, are provided with manually disconnectable locking members (in this embodiment illustrated in FIGS. 6 and 7 as disconnect push buttons 31 on the valve assembly 4) which preferably are only accessible when the valve assembly 4 is not housed in the receiving chamber 27.

(18) The housing 3 may be provided with a storage space for receiving one or more adapter parts 12, such as a drawer 18 (see FIGS. 1, 2 and 8).

(19) The remainder 13 of the valve assembly defines a valve which cooperates with a part of the liquid channel 11 closer to its outer end (compared with the above mentioned inner end that cooperates with a spigot 2) and which is movable between a closed position for preventing a flow of the liquid and an open position for dispensing the liquid. The manner in which such a valve is devised and is operated, may vary in many ways and is not essential for understanding the present invention. With respect to the present invention it is only noted that the valve may be devised for in its open position mixing the liquid in the liquid channel 11 with ambient air, for achieving a so-called aeration of the liquid.

(20) As seen best in FIG. 3, the device may comprise a lever 14 which allows a manual operation of the valve of the valve assembly 4 by a user. Whereas such a lever 14 generally requires a rotating movement, another possible embodiment utilises a push-button. However, also other operation mechanisms for the valve are conceivable. Such mechanisms also may be used to operate, in combination, other parts of the device, such as for example a lid 15 which will be elucidated below.

(21) As shortly indicated before, the housing 3 is provided with a movable lid 15. In an open position the lid 15 offers access to the interior space of the housing 3 for supplying a new full bag 1 or removing an empty one (or for replacing one bag for another containing a different beverage). The housing further is provided with a locking member 21 for engaging the support member 5 (or a pin 23 mounted thereon) in its lowermost position (FIG. 1). Said locking member 21 and lid 15 are operatively connected (for example by a rod 22, see FIG. 2) in such a manner that the locking member 21 is moved to a position for disengaging the support member 5 when the lid 15 moves to a position for closing the housing 3. In the open position of the lid the support member may be pushed down manually until the locking member 21 engages the support member 5 (pin 23) and keeps it in the lowermost position until the lid is closed again.

(22) The device further may be provided with a cooling mechanism 24 for cooling a bag 1. A temperature control unit 25 for controlling the cooling mechanism and for setting the temperature, may be provided too, as well as a temperature indicator.

(23) The device also may be provided with an indicator 28 (see FIG. 7) for the position of the support member 5, and thus for the amount of liquid (beverage) still present in the flexible bag 1. For example such an indicator 28 comprises an elongate transparent window behind which a movable strip (connected to the support member 5) is positioned for showing the position of the support member 5.

(24) An outer surface of the housing 3 may be provided with an indicator about the type of bag 1 present in the device, such as for example a receptacle for receiving an information carrier, such as a strip provided with any combination of symbols or words.

(25) Finally, the device comprises a tray 26 (see FIGS. 7 and 8) onto which a cup may be positioned for receiving the dispended beverage.

(26) The invention is not limited to the embodiments described before which may be varied widely within the scope of the invention as defined by the appending claims.