CN211186884U - Multi-variety beverage feeding system - Google Patents

Abstract

The utility model discloses a multi-variety beverage feeding system, which comprises a storage device and a discharging device which are connected, wherein the storage device is provided with a clear water storage tank, a waste water storage tank and at least two beverage storage tanks, and the discharging device is provided with a cleaning mechanism, a waste water through hole and at least two beverage guide pipes; the cleaning mechanism is connected with the outlet end of the clear water storage tank, the waste water through hole is connected with the inlet end of the waste water storage tank, and each beverage guide pipe is correspondingly connected with the outlet end of one beverage storage tank. The method is to output different beverages according to the types of the beverages selected by a user by utilizing the arrangement of a plurality of storage tanks, beverage guide pipes and cleaning mechanisms. The utility model discloses can realize the ejection of compact between the multiple different beverages and switch to realize wasing ejection of compact space earlier when the beverage of different varieties switches, ensure mutual independence between the beverage of different varieties, effectively guarantee its cleanliness, avoided the mutual pollution that produces between the beverage of different varieties.

Description

Multi-variety beverage feeding system

Technical Field

The utility model relates to the technical field of robots, in particular to many varieties beverage feeding system.

Background

The beverage is indispensable in catering services, has various varieties and wide range, is a huge market, and various merchants of various brands compete fiercely. Beverage sales are ubiquitous and include various public places such as malls, restaurants, casinos and the like.

The selling of beverages is mainly manual or self-service, and with the development of automation technology, the selling and supplying modes are continuously changed, and the form of unmanned vending machines and the like is developed. With the popularization and application of the robot technology, some merchants in the catering industry introduce robot service as a marketing means, for example, in restaurants, the robots are adopted to deliver food and drink to tables. In addition, at present, manufacturers develop unattended sale equipment specially for milk tea beverages, and adopt industrial robots to carry out on-site blending and sale.

However, the robots currently used in the catering industry have considerable limitations, such as the two types of robots mentioned above: the first type of robot (namely, catering robot) is substantially equivalent to a human-shaped AGV, can only realize delivery by rail navigation, has single function and is difficult to attract consumers for a long time. The second type of robot (namely unattended milk tea selling equipment) is characterized in that an industrial mechanical arm is integrated into a system to form automatic equipment, when the automatic milk tea selling equipment works, the mechanical arm holds a steel cup in hand, milk tea ingredients are filled in the steel cup, the steel cup is shaken uniformly and then poured into a plastic cup on a table board, the equipment has multiple ingredient stations, the system is complex, the occupied area is large, the function is single, and the automatic milk tea selling equipment does not belong to a special beverage supply robot per se, so that the automatic milk tea selling equipment is still difficult to popularize in the current market. Therefore, in order to adapt to the increasingly higher living standard of people, the development of a new beverage selling robot and related accessories thereof has important significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, to serve cup type beverage supply robot, provide a many varieties beverage feeding system, this system can realize the feed switching between the multiple different beverages, and its compact structure is fit for multiple occasion and uses.

The technical scheme of the utility model is that: a multi-variety beverage feeding system comprises a storage device and a discharging device which are connected, wherein the storage device is internally provided with a clear water storage tank, a waste water storage tank and at least two beverage storage tanks, and the discharging device is internally provided with a cleaning mechanism, a waste water through hole and at least two beverage guide pipes; the cleaning mechanism is connected with the outlet end of the clear water storage tank, the waste water through hole is connected with the inlet end of the waste water storage tank, and each beverage guide pipe is correspondingly connected with the outlet end of one beverage storage tank. The storage device is provided with a plurality of independent storage tanks and is used for storing various different beverages, cleaning liquid, waste water and the like so as to be used by corresponding mechanisms in the discharging device; in the discharging device, each beverage guide pipe is correspondingly used for guiding in various beverages, when the beverage variety selected by a user is different from the beverage variety selected by the user at the last time, the discharging device can be cleaned by the cleaning mechanism, wastewater formed after cleaning is discharged through the wastewater through hole, and then the beverage is guided in for the selected beverage, so that the cleanliness of the beverage is ensured, and the influence on the taste due to mutual pollution among different beverages is avoided.

The outlet end of the clear water storage tank is provided with a high-pressure pump, the inlet end of the waste water storage tank is provided with a vacuum pump, and the outlet end of each beverage storage tank is provided with a metering pump. Correspondingly, a water pipe joint is arranged at the cleaning liquid inlet end of the cleaning mechanism and is connected with a high-pressure pump through a hose, a vacuum pipe joint is arranged at the outlet end of the waste water through hole and is connected with a vacuum pump through a hose, beverage pipe joints are respectively arranged at the inlet ends of the beverage guide pipes and are connected with the metering pumps of the corresponding beverage storage tanks through hoses. In each beverage storage tank, the output quantity of the required beverage can be more accurate by the arrangement of the metering pump.

The clear water storage tank and the waste water storage tank adopt the same water storage tank, the water storage tank is divided into two mutually independent water storage spaces by up-down separation or left-right separation, the water storage space for storing clear water is the clear water storage tank, and the water storage space for storing waste water is the waste water storage tank. The water storage tank distributes with each beverage storage tank side by side, compares the structural style with clear water storage tank and waste water storage tank independent setting respectively, and the water storage tank of this structure can simplify equipment structure better, makes equipment structure compacter, reduces area.

The discharging device comprises an upper body, a lower body, a connecting disc, an upper cover, beverage guide pipes, an upper cover lifting mechanism and a cleaning mechanism, wherein the upper body and the lower body are connected through the connecting disc, a discharging space is formed in the upper body, an installation space is formed in the lower body, the upper cover is arranged at the mouth of the upper body, each beverage guide pipe penetrates through the connecting disc, the outlet end of each beverage guide pipe is positioned in the discharging space, the liquid outlet end of the cleaning mechanism also extends into the discharging space and is connected with the upper cover, the power output end of the upper cover lifting mechanism is connected with the upper cover through the cleaning mechanism, and a wastewater through hole is formed in the connecting disc. The adapter plate is used for isolating the discharging space and the mounting space to form mutually independent spaces, and is used as a mounting base of various pipelines (such as a beverage guide pipe, a waste water pipe and a central pipe). The discharge space of upper portion body is used for holding the beverage that prepares to pour out, and the installation space of lower part body is convenient for the installation of each component part. The connecting part of the connecting disc and the upper body is provided with a sealing ring to prevent the beverage in the discharging space from leaking.

The upper body, the connecting disc and the lower body are sequentially connected to form a bottle-shaped structure, and a pipeline inlet and a pipeline outlet are formed in the side wall of the lower body. This bottle column structure is similar to the beverage bottle, is applied to behind the serve cup formula beverage supply robot with this discharging device, and the goblet on the cooperation robot uses, can improve its interest. The pipeline inlet and outlet of the side wall of the lower body are convenient for connecting various pipelines and lines.

As a preferable scheme, the number of the beverage guide pipes is three according to the consumption habits of people, the inlet end of each beverage guide pipe is positioned in the installation space, and the number of the beverage storage tanks is correspondingly three. When three beverage pipes and three beverage storage tanks (assumed as beverage a, beverage B and beverage C) are provided, the discharging device can provide seven kinds of beverages in total, including beverage a, beverage B, beverage C, beverage AB, beverage AC, beverage BC and beverage ABC.

The outlet end of the beverage guide pipe is in an elbow shape, the discharging direction of the outlet end is arranged along the tangential direction of the horizontal circumference where the outlet end is located, so that the beverage flowing out of the beverage guide pipe can be forced to flow along the inner wall of the upper body, the discharging is uniform and stable, and a large amount of bubbles are prevented from being generated due to violent impact.

The upper cover is equipped with vertical decurrent screw hole, and this internal part of upper cover embedding upper portion is along a plurality of jet orifices of periphery direction evenly distributed (promptly the upper cover is the bottle plug form, wholly is flat top cone structure, including cover portion and the embedding portion that is connected, cover portion is the flat top form, and the embedding portion is the cone, and the embedding portion is equipped with vertical decurrent screw hole, and a plurality of jet orifices of embedding portion along periphery direction evenly distributed). Wherein, the joint of the bottom surface of the covering part and the opening part of the upper body is also provided with a sealing ring to prevent the beverage in the discharging space from permeating. In the embedding part, the threaded hole is mainly convenient for being fixedly connected with a central pipe, the jet hole is used for being matched with a cleaning mechanism, cleaning liquid is sprayed from the opening part of the upper body, and the whole discharging space can be comprehensively cleaned.

The cleaning mechanism comprises a central pipe and a connecting head, the connecting head is arranged at the bottom of the central pipe, the top of the central pipe is connected with the threaded hole of the upper cover, a plurality of liquid outlet holes are distributed in the top of the central pipe along the circumferential direction, and the liquid outlet holes are communicated with the jet holes in the upper cover; the top of the central tube where each liquid outlet hole is positioned is used as the liquid outlet end of the cleaning mechanism. The middle part of the connecting disc is provided with a central hole, the central tube is of a long tubular structure, the central tube extends into the mounting space of the lower body from the central hole of the connecting disc, the connecting head is arranged in the mounting space, and the through hole inside the connecting head is communicated with the through hole of the central tube. The central tube can be a stainless steel long tube, the central tube passes through the central hole of the connecting disc to be installed, and a sealing ring is arranged at the joint of the central tube and the connecting disc to prevent the beverage in the discharging space from leaking. The end of coupling head sets up water pipe head, and water pipe head passes through the hose and is connected with the high-pressure pump of clear water storage tank, when needs wash ejection of compact space, generally adopts the clear water as the washing liquid, and clear water rises to its top back along the center tube, from each play liquid hole blowout, because the jet orifice intercommunication in play liquid hole and the upper cover, consequently, the clear water is last to be spouted the inner wall of upper portion body from jet orifice department to wash, wash the waste water that forms after the completion and be taken away from waste water through-hole department.

The upper cover lifting mechanism comprises a lifting electric cylinder and a spring, the power output end of the lifting electric cylinder is fixedly connected with the bottom surface of the coupling head, the spring is sleeved on the periphery of the central pipe, the upper end of the spring is connected with the bottom surface of the connecting disc, and the lower end of the spring is connected with the top surface of the coupling head. When the upper cover needs to be opened to pour out the beverage, the lifting electric cylinder drives the connecting head and the central pipe to ascend to lift the upper cover, so that the covering part of the upper cover is far away from the opening part of the upper body, a discharging gap is formed between the embedding part and the opening part, and the spring is compressed in the process; after the beverage is poured out, the lifting electric cylinder is powered off, the connecting head is driven to drive the central pipe to reset under the action of the elastic force of the spring, and the upper cover is also lowered to cover the opening of the upper body tightly.

The method for supplying various beverages can be realized through the supply system, and specifically comprises the following steps:

when a user selects a single beverage, starting the beverage storage tanks of corresponding varieties, and pouring the beverage out of the discharging device after the beverage is sent into the discharging device through the corresponding beverage guide pipes; after the beverage enters the discharging space through the beverage guide pipe, the upper cover is driven to lift and open by the upper cover lifting mechanism, so that the beverage is poured out from the opening part of the upper body;

when a user selects mixed beverage consisting of a plurality of beverages, starting a plurality of beverage storage tanks of corresponding varieties, and pouring the beverage out by the discharging device after the beverage is sent into the discharging device through a plurality of corresponding beverage guide pipes; after various beverages enter the discharging space through the corresponding beverage guide pipes simultaneously or successively, the upper cover is driven to lift and open by the upper cover lifting mechanism, so that the beverages are poured out from the opening part of the upper body;

when the beverage variety selected by the user is different from the beverage variety selected by the previous user, after the user selects the corresponding beverage, the cleaning mechanism is started firstly, the clear water storage tank provides cleaning liquid to clean the discharging device, the cleaned wastewater is discharged to the wastewater storage tank through the wastewater through hole, then the beverage storage tank of the corresponding variety is started, and after the wastewater is sent to the discharging device through the corresponding beverage guide pipe, the beverage is poured out through the discharging device.

The specific process of pouring out the beverage comprises the following steps: the lifting electric cylinder drives the coupling head and the central pipe to ascend to lift the upper cover, so that the covering part of the upper cover is far away from the opening part of the upper body, a discharging gap is formed between the embedding part and the opening part, and the spring is compressed in the process; after the beverage is poured out, the lifting electric cylinder is powered off, the connecting head is driven to drive the central pipe to reset under the action of the elastic force of the spring, and the upper cover is also lowered to cover the opening of the upper body tightly.

The specific process for cleaning the discharging space comprises the following steps: cleaning liquid (generally clean water is adopted) is introduced into the central tube, the clean water rises to the top of the central tube along the central tube and is sprayed out from each liquid outlet hole, and the liquid outlet holes are communicated with the spray holes in the upper cover, so that the clean water is finally sprayed to the inner wall of the upper body from the spray holes so as to be cleaned; after the cleaning is finished, the vacuum pump connected with the waste water through hole is started, and waste water in the discharging space is pumped into the waste water storage tank through the vacuum pipe joint and the waste water through hole by utilizing the vacuum action so as to lead in new beverage.

Compared with the prior art, the utility model, following beneficial effect has:

this many varieties beverage feeding system can realize the ejection of compact between the multiple different beverages and switch through setting up the storage device that can store up multiple beverage and the discharging device of exportable multiple beverage to set up wiper mechanism in discharging device, can realize wasing ejection of compact space earlier when the beverage of different varieties switches, ensure mutual independence between the beverage of different varieties, effectively guarantee its cleanliness, avoided the mutual pollution that produces between the beverage of different varieties.

When the multi-variety beverage feeding system is applied to the beverage supply robot, the storage tanks in the storage device can be integrated in the robot, and then the storage tanks are connected with the discharging device through the corresponding hoses, so that the multi-variety beverage feeding system is compact in structure and small in occupied area, and meanwhile, the upper body and the lower body in the discharging device form bottle-shaped structures, are similar to beverage bottles, are matched with beverage cups on the robot to be used, can improve the interestingness and have strong market competitiveness.

In this many varieties beverage feeding system, each beverage pipe in the discharging device along circumferencial direction evenly distributed on linking up the dish, design into the elbow form with the exit end of beverage pipe, and the tangential direction of the horizontal circumference of exit end place is arranged along the ejection of compact direction of exit end, can force the beverage that flows from beverage pipe to flow along the inner wall of upper portion body, ensures that the ejection of compact is even steady, avoids violently strikeing and produces a large amount of bubbles, also prevents that the beverage from directly assaulting the upper cover.

Drawings

FIG. 1 is a schematic view of the multi-variety beverage supply system applied to a beverage supplying robot.

Fig. 2 is a schematic structural diagram of the discharging device mounted on the robot arm.

Fig. 3 is a schematic diagram of the distribution of the storage tanks in the storage device in the robot.

Fig. 4 is a schematic view of a single beverage reservoir.

Fig. 5 is a schematic structural view of a fresh water storage tank and a waste water storage tank integrated into one water storage tank.

Fig. 6 is a schematic structural diagram of the discharging device.

Fig. 7 is a cross-sectional view a-a of fig. 6.

Fig. 8 is a schematic structural view of the discharging device when the upper cover needs to be opened to pour the beverage.

In the above figures, the components indicated by the respective reference numerals are as follows: 1 is a storage device, 2 is a discharging device, 3 is a robot, 4 is an arm, 5 is a rotary joint, 6 is an arc-shaped splint, and 7 is a soft sleeve;

1-1 is a clear water storage tank, 1-2 is a waste water storage tank, 1-3 is a beverage storage tank, 1-4 is a water storage tank, 1-5 is a metering pump, 1-6 is a high-pressure pump, and 1-7 is a vacuum pump;

2-1 is an upper body, 2-2 is a connecting disc, 2-3 is a lower body, 2-4 is an upper cover, 2-5 is a central pipe, 2-6 is a beverage guide pipe, 2-7 is a spring, 2-8 is a coupling head, 2-9 is a lifting electric cylinder, 2-10 is a beverage pipe joint, 2-11 is a sealing ring, 2-12 is a jet hole, 2-13 is a liquid outlet hole, 2-14 is a water pipe joint, 2-15 is a discharge gap, 2-16 is a waste water through hole, 2-17 is a vacuum pipe joint, 2-18 is a pipeline inlet and outlet, 2-19 is a discharge space, and 2-20 is an installation space.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Examples

The embodiment is a multi-variety beverage feeding system and method, which are applied to a cup-pouring type beverage supply robot.

As shown in fig. 1, the multi-variety feeding system comprises a storage device 1 and a discharge device 2 which are connected, the storage device is installed inside the body of a robot 3, the discharge device is installed on an arm 4 of the robot, as shown in fig. 2, a rotary joint 5 is arranged on the wrist part of the arm, the rotary joint clamps the discharge device through an arc-shaped clamping plate 6, a pipeline inlet and outlet is connected with the arm of the robot through a flexible sleeve 7, and various pipelines required by the discharge device are hidden in the flexible sleeve.

The specific structure of the storage device is as follows:

as shown in fig. 3 to 5, the storage device is provided with a clear water storage tank 1-1, a waste water storage tank 1-2 and three beverage storage tanks 1-3, wherein the clear water storage tank and the waste water storage tank are integrated into a same water storage tank 1-4, and the water storage tanks and the beverage storage tanks are distributed in parallel. The water storage tank is vertically divided into two independent and unconnected water storage spaces, the upper water storage space is used for storing clean water as cleaning liquid, and the lower water storage space is used for storing wastewater discharged after cleaning.

As shown in fig. 4, the outlet end of the beverage storage tank is provided with a metering pump 1-5, which is connected to the bottom of the beverage storage tank. In each beverage storage tank, the output quantity of the required beverage can be more accurate by the arrangement of the metering pump.

As shown in FIG. 5, the outlet end of the clear water storage tank is provided with a high-pressure pump 1-6, and the inlet end of the waste water storage tank is provided with a vacuum pump 1-7.

Correspondingly, in the discharging device, as shown in figure 6, the inlet end of each beverage conduit is respectively provided with a beverage pipe joint 2-10, each beverage pipe joint is connected with a metering pump of a corresponding beverage storage tank through a hose, the cleaning solution inlet end of the cleaning mechanism is provided with a water pipe joint 2-14, the water pipe joint is connected with a high-pressure pump through a hose, the outlet end of a waste water through hole is provided with a vacuum pipe joint 2-17, the vacuum pipe joint is connected with a vacuum pump through a hose,

the specific structure of the discharging device is as follows:

as shown in figure 6, the discharging device mainly comprises an upper body 2-1, a connecting disc 2-2, a lower body 2-3, an upper cover 2-4, a central pipe 2-5, a beverage guide pipe 2-6, a spring 2-7, a coupling head 2-8 and a lifting electric cylinder 2-9. Wherein, upper portion body and lower part body form the bottle, and the upper cover is the bottle plug form, and central tube and coupling head constitute wiper mechanism, and spring and electronic jar constitution upper cover elevating system goes up and down.

The bottle body is divided into an upper part and a lower part (namely an upper body and a lower body), and the middle part of the bottle body is tightly connected by a connecting disc to form two spaces (namely a discharging space 2-19 and an installation space 2-20) which are separated up and down. The connecting part of the upper body and the connecting disc is provided with an annular sealing ring which can prevent the beverage from leaking downwards.

As shown in fig. 7, three beverage conduits are provided, which are circumferentially and evenly distributed on the connecting disc, and each beverage conduit is installed by penetrating the connecting disc from top to bottom. The upper part of the beverage guide pipe is processed into an elbow, and the discharge port of the beverage guide pipe is arranged along the circumferential tangent line, so that the flowing liquid can be forced to flow along the bottle wall, the discharge is uniform and stable, and simultaneously, the severe impact is prevented from foaming a large amount. The lower part of the beverage conduit is provided with a beverage pipe connector 2-10 which is connected to the outlet end of the metering pump of the beverage storage tank through a hose. Three beverage guide pipes, namely three beverage pipe joints, are arranged in the bottle and are respectively and correspondingly connected to three metering pumps which are provided with beverage storage tanks of different beverage varieties. When the beverage storage tank works, the beverage in the beverage storage tank is quantitatively pumped out by the metering pump, conveyed into the beverage guide pipe through the hose and then flows into the discharge space of the upper body through the beverage guide pipe.

The central pipe is a stainless steel long tubular part and is installed by penetrating through the central hole of the connecting disc, and a sealing ring is also arranged at the joint of the central pipe.

The top end of the central tube extends to the mouth of the upper bottle body and is connected with the upper cover through threads. The upper cover is of a flat-top cone-shaped structure (namely comprises a covering part and an embedding part which are connected), and the joint of the upper cover and the opening part is provided with a sealing ring 2-11 which is used for closing and opening the bottle mouth. A plurality of spray holes 2-12 are uniformly distributed on the circumference of the cone part of the upper cover, a plurality of liquid outlet holes 2-13 are distributed on the top end of the central tube, and the spray holes are correspondingly connected with the liquid outlet holes one by one and communicated with the central tube.

The bottom end of the central tube is provided with a spring and a coupling head. The inner pipeline of the coupling head is communicated with the central pipe, and the tail end of the coupling head is provided with water pipe joints 2-14. The water pipe joint is connected to the outlet end of the high-pressure pump of the clear water storage tank through a hose. When the cleaning device works, cleaning liquid in the clean water storage tank can be pumped out by the high-pressure pump, is conveyed into the discharging device through the hose, flows through the central pipe through the connecting head, and is finally sprayed out from the spraying hole of the upper cover.

And a lifting electric cylinder is fixedly arranged in the mounting space of the lower body and used for controlling the closing or opening of the upper cover. As shown in fig. 6, when the lifting electric cylinder is powered off, the upper cover is pressed on the opening of the upper body by the downward pulling force of the central tube under the action of the spring, so that the bottle opening is in a closed state. As shown in figure 8, when the lifting electric cylinder is electrified, the piston rod of the lifting electric cylinder rises to press the coupling head, the upper cover is lifted through the central pipe, the bottle mouth is opened, and the discharging gap 2-15 is exposed.

The middle part of the connecting disc is also provided with a waste water through hole 2-16 which is communicated up and down, the bottom of the waste water through hole is connected with a vacuum pipe joint 2-17, and the vacuum pipe joint is connected to the inlet end of a vacuum pump of a waste water storage tank through a hose. During operation, the vacuum pump is started, and the residual liquid in the discharge space is pumped completely through the hose by the waste water through hole and is sent into the waste water storage tank.

The side wall of the lower body is provided with a line inlet 2-18 for the inlet of the above-mentioned lines such as hoses and wires (see fig. 2).

The method for feeding various beverages by the feeding system has the following working principle:

when a user selects a single beverage, starting the beverage storage tanks of corresponding varieties, and pouring the beverage out of the discharging device after the beverage is sent into the discharging device through the corresponding beverage guide pipes; after the beverage enters the discharging space through the beverage guide pipe, the upper cover is driven to lift and open by the upper cover lifting mechanism, so that the beverage is poured out from the opening part of the upper body;

when a user selects mixed beverage consisting of a plurality of beverages, starting a plurality of beverage storage tanks of corresponding varieties, and pouring the beverage out by the discharging device after the beverage is sent into the discharging device through a plurality of corresponding beverage guide pipes; after various beverages enter the discharging space through the corresponding beverage guide pipes simultaneously or successively, the upper cover is driven to lift and open by the upper cover lifting mechanism, so that the beverages are poured out from the opening part of the upper body;

when the beverage variety selected by the user is different from the beverage variety selected by the previous user, after the user selects the corresponding beverage, the cleaning mechanism is started firstly, the clear water storage tank provides cleaning liquid to clean the discharging device, the cleaned wastewater is discharged to the wastewater storage tank through the wastewater through hole, then the beverage storage tank of the corresponding variety is started, and after the wastewater is sent to the discharging device through the corresponding beverage guide pipe, the beverage is poured out through the discharging device.

The specific process of pouring out the beverage comprises the following steps: the lifting electric cylinder drives the coupling head and the central pipe to ascend to lift the upper cover, so that the covering part of the upper cover is far away from the opening part of the upper body, a discharging gap is formed between the embedding part and the opening part, and the spring is compressed in the process; after the beverage is poured out, the lifting electric cylinder is powered off, the connecting head is driven to drive the central pipe to reset under the action of the elastic force of the spring, and the upper cover is also lowered to cover the opening of the upper body tightly.

The specific process for cleaning the discharging space comprises the following steps: cleaning liquid (generally clean water is adopted) is introduced into the central tube, the clean water rises to the top of the central tube along the central tube and is sprayed out from each liquid outlet hole, and the liquid outlet holes are communicated with the spray holes in the upper cover, so that the clean water is finally sprayed to the inner wall of the upper body from the spray holes so as to be cleaned; after the cleaning is finished, the vacuum pump connected with the waste water through hole is started, and waste water in the discharging space is pumped into the waste water storage tank through the vacuum pipe joint and the waste water through hole by utilizing the vacuum action so as to lead in new beverage.

As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.

Claims (9)

1. The multi-variety beverage feeding system is characterized by comprising a storage device and a discharging device which are connected, wherein the storage device is internally provided with a clear water storage tank, a waste water storage tank and at least two beverage storage tanks, and the discharging device is internally provided with a cleaning mechanism, a waste water through hole and at least two beverage guide pipes; the cleaning mechanism is connected with the outlet end of the clear water storage tank, the waste water through hole is connected with the inlet end of the waste water storage tank, and each beverage guide pipe is correspondingly connected with the outlet end of one beverage storage tank.

2. The multiple beverage product feeding system according to claim 1, wherein a high pressure pump is provided at an outlet end of said clean water tank, a vacuum pump is provided at an inlet end of said waste water tank, and a metering pump is provided at an outlet end of each of said beverage tanks.

3. The multiple beverage product supply system according to claim 1, wherein the clean water tank and the waste water tank are the same tank, the tank is divided into two independent storage spaces, the storage space for storing clean water is the clean water tank, and the storage space for storing waste water is the waste water tank.

4. The multiple beverage supply system according to claim 1, wherein the discharge device comprises an upper body, a lower body, a connecting disc, an upper cover, beverage conduits, an upper cover lifting mechanism and a cleaning mechanism, the upper body and the lower body are connected through the connecting disc, a discharge space is formed in the upper body, an installation space is formed in the lower body, the upper cover is arranged at the mouth of the upper body, the beverage conduits penetrate through the connecting disc, the outlet ends of the beverage conduits are located in the discharge space, the liquid outlet end of the cleaning mechanism also extends into the discharge space and is connected with the upper cover, the power output end of the upper cover lifting mechanism is connected with the upper cover through the cleaning mechanism, and the waste water through hole is formed in the connecting disc.

5. The multiple beverage product feeding system according to claim 4, wherein the upper body, the adapter plate and the lower body are connected in sequence to form a bottle-shaped structure, and a pipeline inlet and outlet is provided on a sidewall of the lower body.

6. A multiple variety beverage supply system as claimed in claim 4 wherein there are three beverage conduits, the inlet end of each beverage conduit being located in the mounting space and there being three corresponding beverage reservoirs.

7. A multiple variety beverage supply system as claimed in claim 4, wherein the outlet end of said beverage conduit is elbow-shaped, and the direction of discharge of the outlet end of the beverage conduit is arranged tangentially to the horizontal circumference in which the outlet end of the beverage conduit is located.

8. The multi-variety beverage supply system according to claim 4, wherein the upper cover is provided with a vertically downward threaded hole, and a plurality of injection holes are uniformly distributed along the peripheral direction at the part of the upper cover embedded in the upper body;

the cleaning mechanism comprises a central pipe and a connecting head, the connecting head is arranged at the bottom of the central pipe, the top of the central pipe is connected with the threaded hole of the upper cover, a plurality of liquid outlet holes are distributed at the top of the central pipe along the circumferential direction, and the liquid outlet holes are communicated with the jet holes in the upper cover; the top of the central tube where each liquid outlet hole is positioned is used as the liquid outlet end of the cleaning mechanism.

9. The multi-variety beverage feeding system according to claim 8, wherein the upper lid lifting mechanism comprises a lifting electric cylinder and a spring, the power output end of the lifting electric cylinder is fixedly connected with the bottom surface of the coupling head, the spring is sleeved on the periphery of the central tube, the upper end of the spring is connected with the bottom surface of the connecting disc, and the lower end of the spring is connected with the top surface of the coupling head.

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