CN217309903U

CN217309903U - Coffee machine

Info

Publication number: CN217309903U
Application number: CN202221039485.1U
Authority: CN
Inventors: 夏庆丰
Original assignee: Dongguan Zebao Intelligent Technology Co ltd
Current assignee: Dongguan Zebao Intelligent Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-30
Anticipated expiration: 2032-04-28

Abstract

The utility model belongs to the technical field of electrical appliances for brewing coffee beverages, in particular to a coffee machine, which comprises a machine body; the machine body is provided with a water supply system, a heating system and a coffee basket for brewing coffee; the heating system comprises a boiler and a heating element for heating the boiler; the second end of the main pipeline is connected with a gas-liquid separator, the gas-liquid separator is provided with a hot water outlet and a steam outlet, the steam outlet of the gas-liquid separator is connected with a steam conveying pipe, and the steam outlet of the gas-liquid separator is connected with a hot water conveying pipe; the middle part of the boiler is provided with a check valve, the input end of the check valve is communicated with the hot water conveying pipe, and the output end of the check valve is communicated with the coffee basket. The boiler temperature rises, and the check valve temperature of locating in the boiler rises simultaneously and realizes preheating the effect, increases the check valve through the middle part at the boiler and in order being used for carrying out the secondary heating to hot water, guarantees to flow the hot water in the coffee basket for the suitable temperature that coffee steeped, improves the dashing of coffee machine and uses experience.

Description

Coffee machine

Technical Field

The utility model belongs to the technical field of the electrical apparatus of making coffee beverage, especially, relate to a coffee machine.

Background

With the improvement of the living standard of people, coffee beverage is popular to people and becomes a daily drink for people, especially for people who seek quality of life. The current coffee beverage preparation methods mainly comprise: brewing with instant coffee, brewing with existing coffee powder in a coffee machine itself, grinding coffee beans with a coffee machine on site and further brewing, etc. The coffee machine on the market at present thermal efficiency is not high, influences coffee and steeps the effect, consequently the utility model provides a coffee machine that thermal efficiency is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coffee machine aims at solving the not high technical problem of coffee machine thermal efficiency among the prior art.

In order to achieve the above object, the embodiment of the present invention provides a coffee machine, which comprises a machine body; the machine body is provided with a water supply system, a heating system and a coffee basket for brewing coffee; the heating system comprises a boiler and a heating element for heating the boiler; a water flow channel for supplying water to flow is arranged in the boiler, a first end of the water flow channel is communicated with the water supply system, a second end of the water flow channel is communicated with a first end of a main pipeline, a second end of the main pipeline is connected with a gas-liquid separator, the gas-liquid separator is provided with a hot water outlet and a steam outlet, the steam outlet of the gas-liquid separator is connected with a steam conveying pipe, and the steam outlet of the gas-liquid separator is connected with the hot water conveying pipe; the coffee making device is characterized in that a one-way valve is arranged in the middle of the boiler and provided with an input end and an output end, the input end of the one-way valve is communicated with the hot water conveying pipe, and the output end of the one-way valve is communicated with the coffee basket.

Optionally, a knob valve is connected to the steam delivery pipe for controlling the opening or closing of the steam delivery pipe.

Optionally, the rotary valve comprises a valve body, a cylindrical valve body, a gasket and a knob; the valve is characterized in that a first channel is arranged in the valve body, the first end of the first channel is communicated with the steam delivery pipe, an opening for gas to pass through is formed in the inner side face of the first channel, the columnar valve body is connected to the first channel in a threaded mode and used for blocking the opening, the gasket is sleeved on the periphery of the columnar valve body, and the knob is arranged on one side of the second end of the first channel and connected with the columnar valve body.

Optionally, an installation groove with a downward opening is formed in the middle of the boiler, and the check valve passes through the opening and is detachably connected to the installation groove; the coffee basket is detachably connected to the bottom of the boiler.

Optionally, the check valve comprises a pre-heat tube, a connector, a spring, and a check valve body; the preheating pipe is arranged in the boiler, and a first end of the preheating pipe is communicated with the hot water conveying pipe; an annular positioning convex edge is arranged on the inner side surface of the first end of the preheating pipe, and a through hole for hot water to pass through is formed in the middle of the annular positioning convex edge; the connecting piece is arranged at the second end of the preheating pipe, and a gap for hot water to pass through is formed between the outer side surface of the connecting piece and the inner side surface of the preheating pipe; the check valve body is arranged between the annular positioning convex edge and the connecting piece, one end of the spring is connected with the connecting piece, and the other end of the spring is connected with the check valve body and used for pushing the check valve body to enable the check valve body to block the through hole.

Optionally, the inner side surface of the second end of the preheating pipe is provided with internal threads; the relative both sides of connecting piece are equipped with connecting portion, the side of connecting portion is equipped with the external screw thread, connecting portion with steam delivery pipe's second end threaded connection.

Optionally, the outer side surface of the second end of the preheating pipe extends outwards to form an end cover, and the end cover is abutted with the bottom surface of the boiler.

Optionally, the top of the coffee basket is connected with the end cap in a threaded manner, the top of the coffee basket is provided with a water inlet, the water inlet is communicated with the second end of the preheating pipe, and the bottom of the coffee basket is provided with a water outlet.

Optionally, a temperature sensor is arranged on the boiler; the temperature display is arranged on the machine body and connected with a main control board, and the main control board is electrically connected with the temperature sensor.

Optionally, the water supply system comprises a water tank and a water pump; the water tank is connected with the machine body, the input end of the water pump is communicated with the water tank, and the output end of the water pump is communicated with the first end of the water flow channel.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the coffee machine have one of following technological effect at least: boiler temperature rises, and the check valve temperature of locating in the boiler rises simultaneously and realizes preheating effect, and water supply system carries the rivers passageway in the boiler to water, and the boiler heats water, and vapour and liquid separator separates hot water and steam, and steam accessible steam delivery pipe discharges, and hot water realizes the secondary heating in carrying the check valve through hot water delivery pipe for hot water flows into the coffee basket with suitable temperature. The one-way valve is additionally arranged in the middle of the boiler to carry out secondary heating on hot water, the hot water flowing into the coffee basket is guaranteed to be at a proper temperature for brewing coffee, and brewing use experience of the coffee maker is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic view of an internal structure of a coffee maker according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a heating system according to an embodiment of the present invention.

FIG. 3 is a schematic structural view of a coffee maker according to an embodiment of the present invention

Wherein, in the figures, the respective reference numerals:

10-machine body 20-water supply system 30-heating system

31-boiler 32-delivery pipe 33-preheating channel

34-one-way valve 40-coffee basket 310-temperature sensor

311-temperature display 320-hot water delivery pipe 321-steam delivery pipe

322-knob valve 330-annular positioning flange 331-through hole

340-connecting piece 341-spring 342-one-way valve body

343-shower head.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-3 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 3, a coffee machine is provided, which comprises a machine body 10, a water supply system 20, a heating system 30 and a coffee basket 40 for brewing coffee. The heating system 30 includes a boiler 31 and a heating element for heating the boiler 31. A water flow channel for water to flow is arranged in the boiler 31, a first end of the water flow channel is communicated with the water supply system 20, a second end of the water flow channel is communicated with a first end of the main pipeline 32, a second end of the main pipeline 32 is connected with a gas-liquid separator, the gas-liquid separator is used for separating liquid and gas, the gas-liquid separator is provided with a hot water outlet and a steam outlet, the steam outlet of the gas-liquid separator is connected with a steam conveying pipe 321, and the steam outlet of the gas-liquid separator is connected with a hot water conveying pipe 320; the boiler 31 is provided at a middle portion thereof with a check valve 34, the check valve 34 having an input end and an output end, the input end of the check valve 34 being communicated with the hot water delivery pipe 320, and the output end of the check valve 34 being communicated with the coffee basket 40.

The embodiment of the utility model provides an in, boiler 31 temperature rises, 34 temperature of check valve in locating boiler 31 rise simultaneously and realize preheating the effect, water supply system 20 carries the rivers passageway in boiler 31 to water, boiler 31 heats water, hot water flows to vapour and liquid separator after passing through boiler 31, vapour and liquid separator separates hot water and steam, steam accessible steam delivery pipe 321 discharges, hot water realizes the secondary heating in carrying check valve 34 through hot water delivery pipe 320, make hot water flow in coffee basket 40 with suitable temperature. The one-way valve 34 is added in the middle of the boiler 31 for carrying out secondary heating on hot water, the hot water flowing into the coffee basket 40 is guaranteed to be at a proper temperature for coffee brewing, and the brewing use experience of the coffee machine is improved.

In another embodiment of the present invention, a knob valve 322 is connected to the steam delivery pipe 321 of the coffee maker for controlling the opening or closing of the steam delivery pipe 321. The steam generated from the boiler 31 flows into the steam delivery pipe 321, and the knob valve 322 is opened, and the steam flows to the outside through the steam delivery pipe 321, and is available for coffee brewing.

In another embodiment of the present invention, the rotary valve 322 of the coffee maker comprises a valve body, a cylindrical valve body, a gasket, and a knob. This internal first passageway that is equipped with of valve, the first end and the steam delivery pipe 321 intercommunication of first passageway, the medial surface of first passageway are equipped with the opening that is used for supplying gas to pass through, and cylindrical valve body threaded connection is in first passageway in order to be used for plugging up the opening, and the rim of a ring cup joints in the periphery of cylindrical valve body, and the knob is located second end one side of first passageway and is connected with the cylindrical valve body. The knob is rotated to drive the cylindrical valve body to rotate, so that the cylindrical valve body is far away from the opening to remove the blockage of the opening, and steam enters the first channel and leaves the steam outlet pipe 321 after passing through the opening in the first channel. The inner ring of the gasket is sleeved on the outer side face of the columnar valve body, and the outer ring of the columnar valve body is abutted to the inner side face of the first channel, so that a waterproof function is realized.

In another embodiment of the present invention, the middle of the boiler 31 of the coffee maker is provided with a mounting groove with a downward opening, and the check valve 34 is detachably connected to the mounting groove after passing through the opening; the coffee basket 40 is detachably attached to the bottom of the boiler 31. The check valve 34 is fixed in a detachable connection mode, so that the check valve is convenient to disassemble, assemble, replace or clean.

In another embodiment of the present invention, the check valve 34 of the coffee maker comprises a preheating pipe 33, a connecting member 340, a spring 341, and a check valve body 342. The preheating pipe 33 is provided in the boiler 31, and the preheating pipe 33 is closely attached to the boiler 31, so that the temperature of the preheating pipe 33 is rapidly increased at the same time as the temperature of the boiler 31 is increased. A first end of the preheating pipe 33 is communicated with the hot water conveying pipe 320; an annular positioning convex edge 330 is arranged on the inner side surface of the first end of the preheating pipe 33, and a through hole 331 for hot water to pass through is arranged in the middle of the annular positioning convex edge 330; the connecting piece 340 is arranged at the second end of the preheating pipe 33, and a gap for passing hot water is arranged between the outer side surface of the connecting piece 340 and the inner side surface of the preheating pipe 33; the check valve body 342 is disposed between the annular positioning flange 330 and the connector 340, one end of the spring 341 is connected to the connector 340, and the other end of the spring 341 is connected to the check valve body 342 and used for pushing the check valve body 342 so that the check valve body 342 blocks the through hole 331. The hot water pushes the check valve body 342 such that the check valve body 342 moves away from the through hole 331, and then the hot water flows to the second end of the preheating channel 33 through the through hole 331 and finally flows into the coffee basket 40 such that the hot water flows unidirectionally from the first end of the preheating pipe 33 to the second end thereof.

In another embodiment of the present invention, an arc-shaped positioning surface is disposed on one side of the annular positioning flange 330 adjacent to the check valve 342, and an arc-shaped surface adapted to the arc-shaped positioning surface is disposed on one side of the check valve 342 adjacent to the arc-shaped positioning surface. The arc surface of the one-way valve body 342 is abutted against the arc positioning surface of the annular positioning convex edge 330, so that the abrasion caused by collision between the one-way valve body 342 and the annular positioning convex edge 330 is reduced, the service life is prolonged

In another embodiment of the present invention, the inner side surface of the second end of the preheating pipe 33 of the coffee maker is provided with an internal thread; connecting piece 340's relative both sides are equipped with connecting portion, and the side of connecting portion is equipped with the external screw thread, and connecting portion and steam conveying pipe's second end threaded connection, the dismouting is convenient, the assembly of being convenient for.

In another embodiment of the present invention, the outer side surface of the second end of the preheating pipe 33 of the coffee machine extends outward to form an end cover, and the end cover abuts against the bottom surface of the boiler 31, so as to improve the connection stability between the check valve 34 and the boiler 31.

In another embodiment of the present invention, the output end of the check valve 34 of the coffee maker is connected with the shower head 343, the shower head 343 has a plurality of evenly arranged small holes, the hot water flows to the shower head 343 from the output end of the check valve 34, and then drips into the coffee basket 40 through the small holes on the shower head 343. The shower head 343 disperses the water flow into a plurality of water droplets so that the hot water and the coffee powder in the coffee basket 40 are mixed more uniformly, thereby improving the brewing effect of the coffee.

In another embodiment of the present invention, a heating plate for heating the preheating pipe 33 is connected to the preheating pipe 33 of the coffee maker. The heating plate surrounds the preheating pipe and is arranged, so that the heating effect of the preheating pipe is improved, and the heating efficiency of hot water is further improved.

In another embodiment of the present invention, the boiler 31 of the coffee maker is provided with a temperature sensor 310. A temperature display 311 is arranged on the body 10, the temperature display 311 is connected with a main control board, and the main control board is electrically connected with the temperature sensor 310. The temperature of the boiler 31 can be monitored in real time during the use process by feeding back the temperature of the boiler 31 through the temperature display 311.

In another embodiment of the present invention, the water supply system 20 of the coffee maker comprises a water tank and a water pump. The water tank is connected with the machine body 10, the input end of the water pump is communicated with the water tank, and the output end of the water pump is communicated with the first end of the water flow channel. The water pump operates to pump water from the water tank to the boiler 31. Wherein the water pump is connected with a flowmeter to monitor the water flow

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A coffee machine characterized by: comprises a machine body; the machine body is provided with a water supply system, a heating system and a coffee basket for brewing coffee; the heating system comprises a boiler and a heating element for heating the boiler; a water flow channel for supplying water to flow is arranged in the boiler, a first end of the water flow channel is communicated with the water supply system, a second end of the water flow channel is communicated with a first end of a main pipeline, a second end of the main pipeline is connected with a gas-liquid separator, the gas-liquid separator is provided with a hot water outlet and a steam outlet, the steam outlet of the gas-liquid separator is connected with a steam conveying pipe, and the steam outlet of the gas-liquid separator is connected with the hot water conveying pipe; the middle part of the boiler is provided with a one-way valve, the one-way valve is provided with an input end and an output end, the input end of the one-way valve is communicated with the hot water conveying pipe, and the output end of the one-way valve is communicated with the coffee basket.

2. A coffee machine according to claim 1, characterized in that: the steam delivery pipe is connected with a knob valve for controlling the opening or closing of the steam delivery pipe.

3. A coffee machine according to claim 2, characterized in that: the knob valve comprises a valve body, a columnar valve body, a gasket and a knob; the valve is characterized in that a first channel is arranged in the valve body, the first end of the first channel is communicated with the steam delivery pipe, an opening for gas to pass through is formed in the inner side face of the first channel, the columnar valve body is connected in the first channel in a threaded mode and used for blocking the opening, the gasket is sleeved on the periphery of the columnar valve body, and the knob is arranged on one side of the second end of the first channel and connected with the columnar valve body.

4. A coffee machine according to claim 1, characterized in that: the middle part of the boiler is provided with a mounting groove with a downward opening, and the check valve passes through the opening and then is detachably connected in the mounting groove; the coffee basket is detachably connected to the bottom of the boiler.

5. A coffee machine according to claim 1, characterized in that: the one-way valve comprises a preheating pipe, a connecting piece, a spring and a one-way valve body; the preheating pipe is arranged in the boiler, and a first end of the preheating pipe is communicated with the hot water conveying pipe; an annular positioning convex edge is arranged on the inner side surface of the first end of the preheating pipe, and a through hole for hot water to pass through is formed in the middle of the annular positioning convex edge; the connecting piece is arranged at the second end of the preheating pipe, and a gap for hot water to pass through is formed between the outer side surface of the connecting piece and the inner side surface of the preheating pipe; the check valve body is arranged between the annular positioning convex edge and the connecting piece, one end of the spring is connected with the connecting piece, and the other end of the spring is connected with the check valve body and used for pushing the check valve body to enable the check valve body to plug the through hole.

6. A coffee machine according to claim 5, characterized in that: the inner side surface of the second end of the preheating pipe is provided with internal threads; the relative both sides of connecting piece are equipped with connecting portion, the side of connecting portion is equipped with the external screw thread, connecting portion with steam delivery pipe's second end threaded connection.

7. A coffee machine according to claim 6, characterized in that: and the outer side surface of the second end of the preheating pipe extends outwards to form an end cover, and the end cover is abutted against the bottom surface of the boiler.

8. A coffee machine according to claim 7, characterized in that: the top of the coffee basket is in threaded connection with the end cover, a water inlet is formed in the top of the coffee basket and communicated with the second end of the preheating pipe, and a water outlet is formed in the bottom of the coffee basket.

9. A coffee machine according to any one of claims 1 to 8, characterized in that: a temperature sensor is arranged on the boiler; the temperature display is arranged on the machine body and connected with a main control board, and the main control board is electrically connected with the temperature sensor.

10. A coffee machine according to any one of claims 1 to 8, characterized in that: the water supply system comprises a water tank and a water pump; the water tank is connected with the machine body, the input end of the water pump is communicated with the water tank, and the output end of the water pump is communicated with the first end of the water flow channel.