CN101849777B - Water storage type coffee machine - Google Patents

Abstract

A water storage type coffee machine comprises a water tank, a water pump assembly, a boiler assembly and a conversion valve set, wherein the water tank, the water pump assembly, the boiler assembly and the conversion valve set are arranged on a shell; the water pump assembly is provided with an exhaust valve and an overpressure protection valve. The invention changes the flow passage conversion of the conversion valve group through the knob, realizes the purposes of pressure relief, coffee boiling and milk foaming, and the boiler component is in the heating stage, the boiler component is communicated with the pressure relief passage of the conversion valve group, the water heated in the boiler component flows into the water receiving box or the water tank through the pressure relief valve, thereby overcoming the defects of preheating drip water of the boiler component and pressure loss of coffee boiling, and having the characteristics of low cost, safety, reliability and convenient and simple operation.

Description

Water storage type coffee machine

Technical field

The present invention relates to a kind of coffee machine, particularly a kind of water storage type coffee machine.

Background technology

Present water storage type coffee machine discloses a kind of coffee machine with separate type water storage device like Chinese patent document number CN2533769Y in 5 days February in 2003, relate to the manufacturing technology of coffee machine, is a kind of novel steam drip-type coffee machine.Coffee machine main body and water storage device constitute, and it is characterized in that: on the coffee machine main body, be equipped with coffee pot dish seat, steam lead frame, water inlet pipe; Water storage device is as independent device in the coffee machine, be provided with in its bottom above, move the valve of closure or openness down, water inlet pipe is connected in one with the coffee machine main body on the coffee machine main body through inserting, installation and removal are convenient, the cleaning of being more convenient for.In water inlet pipe, be provided with non-return valve and not only can prevent effectively in the reverse inflow water storage device of the boiling water that boils, and make the coffee function that enough steam cooking coffee arranged.It is said that it is easy to use, safety, structure are simple relatively, but it deposits following two weak point (see figure 5)s: 1, boiler has water to drip from the outlet valve site and releases at warm-up phase in the boiler, brings to the consumer and misreads and bad impression; When 2, infusing coffee, the pressure that water pump need overcome boiler delivery port check valve remakes and is used on the coffee powder, causes the coffee effect not ideal.Therefore, be necessary to do further improvement and perfect.

Summary of the invention

The object of the invention aims to provide the water storage type coffee machine of a kind of simple and reasonable, dependable performance, good seal performance, to overcome weak point of the prior art.

A kind of water storage type coffee machine by this purpose design; Comprise the water tank, water pump component, boiler components and the conversion valve set that are installed on the housing; Housing is provided with coffee brewing funnel and steam foamed system, and its architectural feature is that said conversion valve set is cross valve, and conversion valve set is provided with intake tunnel, the passage of making coffee, foaming milk passage and pressure release passage; Pressure release passage and relief valve join, and the knob on conversion valve set and the housing joins; Water pump component is provided with exhaust steam valve and overvoltage protection valve.

Said is that water tank is provided with runner, and runner passes the inlet channel of water pump component, joins with the water inlet of boiler components; The delivery port of boiler components and the intake tunnel of conversion valve set join.

Said relief valve is arranged between said conversion valve set and the water tank; Perhaps be arranged between the drip tray on said conversion valve set and the housing bottom; Relief valve is provided with water inlet and delivery port, and delivery port and drip tray or water tank join, and pressure release passage on the conversion valve set and relief valve water inlet join.

The said passage of making coffee is connected with the coffee brewing funnel, and the foaming milk passage is connected with the steam foamed system.

Said coffee brewing funnel is provided with and brews fixed structure; Brew fixed structure, steam foamed system, water pump component and boiler components and be installed on the fixed support, fixed support is installed in the housing through securing member.

Said boiler components comprises heater element, temperature control element and the electronic component that is arranged on the heating container, and boiler components is electrically connected with control panel button and knob on the housing.

Join through sebific duct or water pipe between said water tank, water pump component, conversion valve set and the boiler components.

The present invention changes the runner conversion of conversion valve set through knob; Realize pressure release, make coffee, the purpose of foaming milk, and boiler components is in the heating period, boiler components is communicated with the conversion valve set pressure release passage; Water in the boiler components after the heating flows in water spilage tray or the water tank through relief valve; Overcome that the boiler components preheating is dripped and this defective of the pressure loss of making coffee, it is low to have a cost, safe and reliable and easy to operate characteristic of simple.

Description of drawings

Fig. 1 is one embodiment of the invention decomposition texture sketch map.

Fig. 2 is Fig. 1 operation principle block diagram.

Fig. 3 is the conversion valve set perspective view.

Fig. 4 is assemblied in the fixed support perspective view for boiler components and water pump component.

Fig. 5 is a water storage type coffee machine operation principle block diagram of the prior art.

Among the figure: 1 is water tank, and 2 is water pipe, and 3 is water pump component, and 4 is electronic component, and 5 is fixed support, and 6 is exhaust steam valve; 7 is the overvoltage protection valve, and 71 is pressure relief opening, and 8 is conversion valve set, and 81 is intake tunnel, and 82 are the passage of making coffee, and 83 is the foaming milk passage; 84 is pressure release passage, and 9 is the control panel button, 10 steam foamed systems, and 11 is knob, and 12 is the coffee brewing funnel, and 13 for brewing fixed structure; 14 is housing, and 15 is drip tray, and 16 is relief valve, and 161 is water inlet, and 162 is delivery port; 17 is boiler components, and 171 is heater element, and 172 is temperature control element, and 18 is water inlet, and 19 is delivery port.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

Referring to Fig. 1-Fig. 4, this water storage type coffee machine comprises thewater tank 1,water pump component 3,boiler components 17 and theconversion valve set 8 that are installed on thehousing 14, joins through water pipe betweenwater tank 1,water pump component 3 and the boiler components 17.Boiler components 17 comprisesheater element 171,temperature control element 172 and theelectronic component 4 that is arranged on the heating container, and thecontrol panel button 9 onboiler components 17 and thehousing 14 is electrically connected withknob 11, andwater pump component 3 is provided withexhaust steam valve 6 andovervoltage protection valve 7.

Housing 14 is provided withcoffee brewing funnel 12 andsteam foamed system 10, andcoffee brewing funnel 12 is provided with and brews fixedstructure 13; Brew fixed structure,steam foamed system 10,water pump component 3 andboiler components 17 and be installed on thefixed support 5, fixed support is installed in thehousing 14 through securing member.Conversion valve set 8 is cross valve, and conversion valve set is provided withintake tunnel 81, thepassage 82 of making coffee,foaming milk passage 83 and pressure release passage 84 (see figure 3)s, and pressure release passage andrelief valve 16water inlets 162 join, andconversion valve set 8 is joined withknob 11 on thehousing 14.

Water tank 1 is provided with runner, and runner passes the inlet channel ofwater pump component 3, joins with thewater inlet 18 ofboiler components 17, and thedelivery port 19 of boiler components joins with theintake tunnel 81 of conversion valve set 8.Relief valve 16 is arranged betweenconversion valve set 8 and thewater tank 1, and relief valve is provided withwater inlet 161 anddelivery port 162, and delivery port andwater tank 1 join, and thepressure release passage 84 on theconversion valve set 8 joins withwater inlet 161; Thepassage 82 of making coffee is connected withcoffee brewing funnel 12, andfoaming milk passage 83 is connected (see figure 1) withsteam foamed system 10.

During use,boiler components 17 is in the heating period, andboiler components 17 is communicated with conversion valve set 8pressure release passages 84, and the water in theboiler components 17 after the heating flow indrip tray 15 or thewater tank 1 throughrelief valve 16; Afterboiler components 17 heating are accomplished, switch throughknob 11,boiler components 17 is communicated with thepassage 82 of making coffee, and startswater pump 3 work simultaneously, the work of infusing coffee;Boiler components 17 heating are accomplished, and switch throughknob 11, andboiler components 17 is communicated withfoaming milk passage 84, carries out milk foaming work.When the coffee machine internal pressure exceeds the limit value ofsafety valve group 7, from safety valve group pressure relief opening 71 with water throughwater pipe 2reflow tanks 1.

Operating procedure of the present invention is following:

1) power-on toboiler components 17 internal pump waters, stops pumping after water is full,boiler components 17 heating, and the expanded by heating influence of heating back, a spot of water gets intorelief valve 16 through thepressure release passage 84 ofboiler components 17 andconversion valve set 8, flows indrip tray 15 or thewater tank 1.

2) preheating is accomplished, and switches throughknob 11, andboiler components 17 is communicated with thepassage 82 of making coffee, and starts 3 work of water pump group simultaneously, the work of infusing coffee.

3) if think foaming milk, presscontrol panel button 9,boiler components 17 heating are accomplished, and switch throughknob 11, andboiler components 17 is communicated withfoaming milk passage 83, carries out milk foaming work.

4) if think to infuse coffee once more or foaming milk, can repeat aforesaid operations.

Claims (7)

1. water storage type coffee machine; Comprise the water tank (1), water pump component (3), boiler components (17) and the conversion valve set (8) that are installed on the housing; Housing (14) is provided with coffee brewing funnel (12) and steam foamed system (10), it is characterized in that said conversion valve set is cross valve, and conversion valve set is provided with intake tunnel (81), the passage of making coffee (82), foaming milk passage (83) and pressure release passage (84); Pressure release passage and relief valve (16) join, and the knob on conversion valve set and the housing (11) joins; Water pump component is provided with exhaust steam valve (6) and overvoltage protection valve (7).

2. water storage type coffee machine according to claim 1, it is characterized in that said is that water tank (1) is provided with runner, runner passes the inlet channel of water pump component (3), joins with the water inlet (18) of boiler components (17); The delivery port of boiler components (19) joins with the intake tunnel (81) of conversion valve set (8).

3. water storage type coffee machine according to claim 1 and 2; It is characterized in that said relief valve (16) is arranged between said conversion valve set (8) and the water tank (1); Perhaps be arranged between the drip tray (15) on said conversion valve set (8) and housing (14) bottom; Relief valve is provided with water inlet (161) and delivery port (162), and delivery port and drip tray (15) or water tank (1) join, and the pressure release passage (84) on the conversion valve set (8) joins with relief valve (16) water inlet (162).

4. water storage type coffee machine according to claim 3 is characterized in that the said passage of making coffee (82) is connected with coffee brewing funnel (12), and foaming milk passage (83) is connected with steam foamed system (10).

5. water storage type coffee machine according to claim 4 is characterized in that said coffee brewing funnel (12) is provided with to brew fixed structure (13); Brew fixed structure, steam foamed system (10), water pump component (3) and boiler components (17) and be installed on the fixed support (5), fixed support is installed in the housing (14) through securing member.

6. water storage type coffee machine according to claim 5; It is characterized in that said boiler components (17) comprises heater element (171), temperature control element (172) and the electronic component (4) that is arranged on the heating container, boiler components is electrically connected with control panel button (9) and knob (11) on the housing (14).

7. water storage type coffee machine according to claim 1 is characterized in that joining through sebific duct or water pipe (2) between said water tank (1), water pump component (3), conversion valve set (8) and the boiler components (17).

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