JPH0314498A - Beverage dispenser - Google Patents

Abstract

PURPOSE:Not to rotate a manual wheel on driving a motor, by providing the primary and secondary clutchs, rotating a ball valve with a rotary shaft when receiving a torque to rotate the ball valve to the normal direction and being released to be free from the rotary shaft when receiving a torque to rotate the ball valve to the reverse direction. CONSTITUTION:When clutches 18, 13 receive a torque to rotate a ball valve 9 to the normal direction, the torque is transmitted to a rotary shaft 12 to rotate with the ball valve and when they receive a torque to rotate a ball valve 9 to the reverse direction, they rotate by themselves to be free from the rotary shaft 12. An operational wheel 15 is turned to rotate the ball valve 9 to the normal direction against the friction of a brake 23 on discharging beer manually, the torque is transmitted to the rotary shaft 19 through the clutch 18 and also transmitted to the rotary shaft 12 by gears 20, 21 so that the ball valve 9 is rotated. In the meanwhile, the clutch 13 receives the load of a reduced motor 14 and does not transmit the torque against the rotary shaft 19 as it is free from the rotary shaft 12.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention relates to a beverage dispenser that automatically dispenses a beverage by rotating a ball valve arranged in a beverage dispensing pipe. Technology There are various types of beverage dispensers in the past, but for example, a dispenser for beer as a beverage is disclosed in Japanese Patent Application Laid-Open No. 62-64.
There is a configuration disclosed in Publication No. 790. In other words, in the publication, beer in a barrel is pressurized with carbon dioxide gas pressure from a carbon dioxide gas cylinder via a pressure reducing valve, and this gas pressure is used to send the beer from the barrel to a dispenser, and a cooling coil inside the dispenser is used. After cooling by passing
It is configured to pour a fixed amount of beer into a mug, etc. from a manually operated beer dispensing valve. However, if pouring is done manually, the amount poured may vary depending on the skill level of the operator, or there may be too much or too little foam, which may cause problems for sales. Therefore, in order to automatically pour a certain amount of beer to everyone, Japanese Patent Publication No. 64-4229
Publication No. 9 discloses a beer dispenser in which a beer dispensing valve is automatically opened using a timer or the like. (C) Problems to be Solved by the Invention When beer dispensing is controlled by a motor-driven ball valve installed in the beer dispensing pipe in such an automatic dispensing system, the ball valve may be damaged due to a power outage or malfunction. However, it is necessary to provide a manual handle to manually close the ball valve in case of an emergency.However, such a manual handle is linked to the ball valve. Moreover, it is of course linked to the rotation of the motor, and when the motor rotates, the manual handle also rotates, so if you accidentally touch it with your hand, there is a risk of a serious accident.

Accordingly, the present invention provides a beverage dispenser that uses a clutch to prevent the manual handle from rotating when the motor is running. <2> Means for Solving the Problems In order to solve the above problems, the beverage dispenser according to the present invention includes a rotating shaft that applies rotational force to a ball valve; The first and second valves are provided so as to rotate together with the rotating shaft when receiving a rotational force that causes the ball valve to rotate in a positive direction, and to become free from the rotating shaft when receiving a rotational force that causes the ball valve to rotate in a negative direction. a drive motor that provides a rotational force to the first clutch to rotate the rotating shaft in the forward direction; an operating handle fixed to the second clutch; and an operation of the drive motor. and a locking tool that prevents the second clutch from rotating in conjunction with the rotating shaft.

(E) When the first clutch rotates due to the drive of the action drive motor,
In conjunction with this, the rotating shaft rotates, and the ball valve rotates in the forward direction. This opens the pouring conduit and pours out the beverage. At this time, the second clutch also attempts to rotate in conjunction with the rotating shaft, but the second clutch receives a force that prevents rotation from the locking device, which causes the ball valve to rotate in the negative direction. Since it is receiving the same force as above, it is no longer connected to the rotating shaft, and therefore the operating handle does not rotate in conjunction with the drive motor. (F) Embodiment FIG. 1 shows a beer dispenser 3 as an embodiment of the present invention.
In the schematic configuration diagram of 0, 1 is a beer barrel containing beer, and 2 is a carbon dioxide gas cylinder provided to make the beer contain carbon dioxide gas and apply carbon dioxide pressure inside the barrel 1 to push out the beer. The carbon dioxide pressure is reduced by a pressure reducing valve 3 and is applied to the beer in the beer ml via a carbon dioxide pipe 4. 5 is a pipe for dispensing beer from the beer barrel 1;
It forms a conduit from the beer barrel 1 to the pouring nozzle 6. A cooler 8 is inserted in the middle of the pouring pipe 5, that is, in the dispenser body 7, and the beer that has been sufficiently cooled through the cooler 8 is transported to the downstream side of the pouring pipe 5. A fixed amount of liquid is poured into a mug 10 under the control of a motor-driven ball valve 9 placed in the holder. As shown in FIG. 2, the ball valve 9 is driven to rotate in a constant direction, and depending on the angular position of the rotation, a flow passage 11 formed inside communicates the upstream and downstream sides of the spouting pipe 5 (fully opened).
It is designed to be shut off (fully opened). FIG. 3 shows the configuration of a device that drives the ball valve 9. A clutch 13 is fitted into the rotating shaft 12 that applies rotational force to the ball valve 9, and the housing 17 of the clutch 13 is connected to the deceleration motor 14. It is fixed to the output shaft of. The clutch 13 has an annular shape that fits into the rotating shaft 12, and when it receives a rotational force that rotates the ball valve 9 in the positive direction shown in the second figure, the clutch 13 transfers this rotational force to the rotating shaft. A one-way clutch is used which is transmitted to the ball valve 12 and rotates together with the ball valve 9, and which, when receiving a rotational force that causes the ball valve 9 to rotate in the negative direction, becomes free from the rotating shaft 12 and rotates only itself.

Further, the operating handle 15 is fixed to a clutch 18, and a rotating shaft 19 into which this clutch 18 is fitted is connected to a gear 20.
．． 21, it rotates in conjunction with the rotating shaft 12. Similarly to the clutch 13, when this clutch 18 receives a rotational force that causes the ball valve 9 to rotate in the positive direction, this rotational force is transmitted to the rotating shaft 12 and rotates together, and the ball valve 9 is also rotated in the negative direction. When it receives a rotational force that rotates it in a direction, it becomes free from the rotating shaft 12 and rotates only by itself.
The operating handle 15 is supported by a bulb case 28 via a locking device 23 such as a ball, and is subjected to some resistance by the locking device 23 when rotating.

The ball valve 9 described above rotates in the forward direction when the deceleration motor 14 is driven by a predetermined beverage supply command. The deceleration motor 14 stops driving when the ball valve 9 rotates 90 degrees and becomes fully open, and when the timer time required to pour out a certain amount of beer has elapsed, the deceleration motor 14 stops driving. When the ball valve 9 has rotated a further 90 degrees, the drive is stopped again to complete one consumption of beer. When the ball valve 9 rotates in this way,
The rotational force is transmitted through the gears 20 and 21, causing the rotating shaft 19 to rotate, but at this time, the operating handle 15 is subjected to friction at the cross-locking device 23, and this causes the clutch 18 to rotate.
Since the clutch 18 receives a rotational force that relatively rotates the ball valve 9 in the negative direction, the clutch 18 does not rotate in conjunction with the rotating shaft 19. Therefore, when the deceleration motor 14 is driven, the operating handle 15 does not rotate together with it.

In addition, in case of emergency closing or manual peel dispensing,
When the operating handle 15 is turned so that the ball valve 9 rotates in the forward direction against the frictional force of the locking tool 23, the rotational force of the operating handle 15 is transmitted to the rotating shaft 19 via the clutch 18, and then the gear is rotated. The ball valve 9 rotates because it is also transmitted to the rotating shaft 12 at 20 and 21. At this time, the clutch 13 is receiving a load from the deceleration motor 14, which means that the clutch 13 is receiving a rotational force that relatively rotates the pole valve 9 in the negative direction. is in a free state. When the operating handle 15 is turned so that the ball valve 9 rotates in the negative direction, the clutch 13 does not transmit rotational force to the rotating shaft 19 at this time.

In the beer dispenser 30 equipped with such a ball valve 9, when the deceleration motor 14 becomes the drive side and rotates forward,
The clutch 13 and the rotating shaft 12 work together to open the ball valve 9.
rotates in the positive direction. At this time, the clutch 18 is
3, the operating handle 15 does not rotate at the same time because it is free from the rotating shaft 19 that rotates in conjunction with the rotating shaft 12. When the operating handle 15 is rotated in the normal direction, the operating handle 15 side becomes the driving side, and the clutch 18 and the rotating shaft 19 are interlocked, and the rotating shaft 12 is also interlocked and rotated, so that the ball valve 9 rotates in the forward direction. . At this time, the clutch 13 is disconnected from the rotating shaft 19, so the force required to turn the operating handle by hand is sufficient to overcome the friction of the locking tool 23. FIG. 4 shows another embodiment of the device for driving the ball valve 9, in which a pair of rotating shafts 24, 25 are provided at mutually symmetrical positions on the ball valve 9, each having a rotation shaft 24, 25, respectively. Clutch 26. has the same effect as clutch 17.18 in Figure 3. 27 is inset.

(G) Effects of the Invention According to the present invention, in a beverage dispenser that dispenses a beverage by manually rotating a ball valve disposed in a beverage dispensing pipe by operating a drive motor or an operation handle, Even if the ball valve is opened and closed by driving the motor, the operating handle does not rotate in conjunction with this, so a safe beverage dispenser is provided.

[Brief explanation of the drawing]

Fig. 1 is a diagram showing a schematic configuration of a beer dispenser as an embodiment of the present invention, Fig. 2 is an explanatory diagram of the operation of a ball valve, and Figs. 3 and 4 are diagrams of the configuration of a ball valve driving device, respectively. It shows.

Claims (1)

[Claims] 1. In a beverage dispenser that controls the opening and closing of a ball valve disposed in a beverage dispensing conduit, the opening and closing of the dispensing conduit is controlled by the rotational position of a ball valve disposed in the dispensing conduit. When the ball valve receives a rotational force that causes the ball valve to rotate in a positive direction, it rotates with the rotating shaft, and when it receives a rotational force that causes the ball valve to rotate in a negative direction, it is freed from the rotating shaft. a drive motor that applies a rotational force to the first clutch to rotate the rotating shaft in a positive direction; and a drive motor that is fixed to the second clutch. A beverage dispenser comprising: an operating handle; and a locking device that prevents the second clutch from rotating in conjunction with the rotating shaft when the drive motor is operated.