CN211722811U

CN211722811U - Water adding device and coffee machine

Info

Publication number: CN211722811U
Application number: CN201922219601.2U
Authority: CN
Inventors: 李卫忠; 钟业武; 陈文彬; 陈浩; 叶小端
Original assignee: Guangzhou Tuopu Electric Development Co ltd
Current assignee: Guangzhou Tuopu Electric Development Co ltd; Top Electric Appliances Industrial Ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-10-23
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a water adding device and a coffee machine, wherein the water adding device is used for the coffee machine and comprises a water tank; the brewing head is provided with a water outlet hole; the guide assembly is provided with a first water through hole and a second water through hole, the first water through hole is communicated with the water tank, the second water through hole is communicated with the brewing head, a heating cavity and an adjusting cavity are arranged between the first water through hole and the second water through hole in the guide assembly, and the heating cavity is communicated with the adjusting cavity; the heating component is sleeved outside the flow guide component; the water pumping assembly comprises a spiral blade and a driving part, the spiral blade is connected with the output end of the driving part, and the spiral blade is arranged in the adjusting cavity. Coffee machine, including watering device. According to the technical scheme, the large jumping of the brewing water temperature can be avoided through the technical means, and the water temperature requirement of brewing coffee with various flavors is met.

Description

Water adding device and coffee machine

Technical Field

The utility model is used for the coffee machine field especially relates to a water adding device and coffee machine.

Background

At present, in the coffee machine on the market, a water adding device of the coffee machine is easy to leave more residual water, when the coffee is brewed, water in the water adding device is heated and expanded, and is easy to flow outwards, so that the initial brewing temperature is low, and the taste of the coffee is seriously influenced. In addition, in the later stage of brewing, due to the influence of the water level, the water pressure change fluctuation of the water adding device is large, the temperature jump is large, and particularly, in a coffee machine needing a strong flavor function, a certain amount of water with a high temperature needs to be injected for brewing before the initial brewing so as to meet the requirement that the coffee powder is fully soaked by the proper water temperature, and the water adding device of the existing coffee machine is difficult to meet the temperature requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a water adding device and coffee machine, it can avoid dashing the great jump of bubble temperature, satisfies the temperature requirement that multiple taste coffee steeped.

The utility model provides a technical scheme that its technical problem adopted is:

in a first aspect, a watering device for a coffee machine comprises

A water tank;

the brewing head is provided with a water outlet hole;

the guide assembly is provided with a first water through hole and a second water through hole, the first water through hole is communicated with the water tank, the second water through hole is communicated with the brewing head, a heating cavity and an adjusting cavity are arranged between the first water through hole and the second water through hole inside the guide assembly, and the heating cavity is communicated with the adjusting cavity;

the heating component is sleeved outside the flow guide component;

the water pumping assembly comprises a spiral blade and a driving part, the spiral blade is connected with the output end of the driving part, and the spiral blade is arranged in the adjusting cavity.

With reference to the first aspect, in certain implementations of the first aspect, the flow guide assembly includes a flow guide housing, a first sealing cover, and a second sealing cover, the adjustment cavity forms a first cavity opening on the flow guide housing, the first sealing cover is connected to the first cavity opening, and the first sealing cover is provided with the first water through hole; the heating chamber in form the second accent on the water conservancy diversion casing, the sealed lid of second with the second accent is connected, the sealed lid of second is equipped with the water hole is crossed to the second.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the first sealing cover is provided with a first shaft hole, the second sealing cover is provided with a second shaft hole, the water pumping assembly further comprises a connecting shaft, the connecting shaft is arranged at the output end of the driving part, the connecting shaft penetrates through the heating cavity and the adjusting cavity and is respectively connected with the first shaft hole and the second shaft hole, and the spiral blade is sleeved on the connecting shaft.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the first sealing cover is recessed towards the inside of the heating cavity to form an accommodating cavity, and the driving component is embedded in the accommodating cavity.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, an inner diameter of the adjusting cavity is smaller than an inner diameter of the heating cavity, and the helical blade is in fit with an inner wall of the adjusting cavity.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the method further includes

The first temperature sensor is used for detecting the water temperature of the heating cavity;

the second temperature sensor is used for detecting the water temperature of the adjusting cavity;

and the first temperature sensor, the second temperature sensor and the driving part are all connected with the control assembly.

In a second aspect, the coffee maker comprises the water adding device of any one of the implementations of the first aspect.

With reference to the second aspect, in certain implementations of the second aspect, the brewing apparatus further includes a case, the brewing head extends from one side of the case, the flow guide assembly, the heating member and the water pumping assembly are located in the case, the water tank is higher than the heating chamber, a water supply hole is formed in the bottom of the water tank, the first water through hole is connected to the water supply hole through a first pipeline, and the second water through hole is connected to the brewing head through a second pipeline.

With reference to the second aspect and implementations described above, in certain implementations of the second aspect, further comprising a base forming a support table below the brew head.

With reference to the second aspect and the foregoing implementation manners, in some implementation manners of the second aspect, the beverage making device further comprises a brewing container, and a container opening of the brewing container is provided with a filtering component.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when brewing is started, water in the brewing head and the adjusting cavity can be pumped into the heating cavity through the water pumping assembly, and the water flows back after being heated; or pumping hot water in the heating cavity to the regulating cavity and preheating the brewing head; or the water pumping assembly is used for controlling water delivery to compensate water temperature fluctuation caused by water pressure change. According to the technical scheme, the large jumping of the brewing water temperature can be avoided through the technical means, and the water temperature requirement of brewing coffee with various flavors is met.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an isometric view of an embodiment of the coffee maker of the present invention;

FIG. 2 is a schematic diagram of the internal structure of one embodiment shown in FIG. 1;

FIG. 3 is a schematic diagram of the water pumping assembly of one embodiment of FIG. 2 pumping water from the heating chamber;

FIG. 4 is a schematic view of the embodiment water pumping assembly shown in FIG. 2 pumping water from the brew head into the heating chamber;

FIG. 5 is a schematic view of the internal structure of another embodiment of the coffee maker of the present invention;

fig. 6 is a schematic structural view of a flow guide assembly, a heating member and a water pumping assembly according to an embodiment shown in fig. 5.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 and 2, an embodiment of the present invention provides a water adding device for a coffee machine, including a water tank 1, a brewing head 3, a flow guide assembly, a heating member 4 and a water pumping assembly 5. Wherein, the brewing head 3 is provided with a water outlet hole 31, the water tank 1 is used for containing water for brewing coffee, and the flow guide component is connected between the brewing head 3 and the water tank 1. Referring to fig. 3 and 4, the guide assembly has a first water passing hole 451 and a second water passing hole 411, the first water passing hole 451 is communicated with the water tank 1, and the second water passing hole 411 is communicated with the brew head 3. The water flow direction is controlled by the water flow guiding assembly in cooperation with the water pumping assembly 5 on one hand, and the water temperature is controlled by the heating component 4 on the other hand.

Referring to fig. 3 and 4, a heating cavity 42 and an adjusting cavity 43 are disposed in the guide assembly between the first water through hole 451 and the second water through hole 411, and the adjusting cavity 43 is located at the upper portion of the heating cavity 42 and is communicated with the heating cavity 42. The heating part 4 is sleeved outside the flow guide assembly and used for heating water in the heating cavity 42.

Referring to fig. 3 and 4, the water pumping assembly 5 includes a spiral blade 52 and a driving member 51, the driving member 51 may be a rotating driving member such as a motor, the spiral blade 52 is connected to an output end of the driving member 51, and the spiral blade 52 is disposed in the adjusting chamber 43. The drive member 51 is capable of driving the screw blade 52 to rotate in the adjustment chamber 43 either anticlockwise or clockwise to draw the brew head 3, water in the adjustment chamber 43 into the heating chamber 42, or to pump hot water in the heating chamber 42 into the adjustment chamber 43 to the brew head 3 for preheating.

The flow guiding assembly may be formed integrally or in a matched manner, referring to fig. 3 and 4, in some embodiments, the flow guiding assembly includes a flow guiding housing, a first sealing cover 45 and a second sealing cover 41, the adjusting cavity 43 forms a first cavity opening on the flow guiding housing, the first sealing cover 45 is connected with the first cavity opening in a sealing manner, and the first sealing cover 45 is provided with a first water passing hole 451; the heating cavity 42 forms a second cavity opening on the flow guide shell, the second sealing cover 41 is connected with the second cavity opening in a sealing mode, the second sealing cover 41 is provided with a second water passing hole 411, the flow guide assembly adopts a structural form that the flow guide shell, the first sealing cover 45 and the second sealing cover 41 are assembled, the structure is simpler, and the assembly of the water pumping assembly 5 is more convenient.

Specifically, referring to fig. 3 and 4, a first shaft hole is formed in the first sealing cover 45, a second shaft hole is formed in the second sealing cover 41, the water pumping assembly 5 further includes a connecting shaft 511, the connecting shaft 511 is disposed at an output end of the driving part 51, the connecting shaft 511 penetrates the heating cavity 42 and the adjusting cavity 43 and is respectively connected with the first shaft hole and the second shaft hole, and the helical blade 52 is sleeved on the connecting shaft 511.

In some embodiments, referring to fig. 3 and 4, the drive member 51 is located outside the heating cavity 42 and is connected to the helical blade 52 by a connecting shaft 511 extending through the heating cavity 42. The driving part 51 is far away from the heating cavity 42, so that the working temperature rise and the heat load service life of the driving part 51 are reduced.

In some embodiments, referring to fig. 5 and 6, the first sealing cover 45 is recessed into the heating cavity 42 to form an accommodating cavity, and the driving member 51 is embedded in the accommodating cavity and connected with the helical blade 52 through the heating cavity 42 by a connecting shaft 511. This embodiment can reduce the volume of the heating chamber 42, increase the heating rate, and save the assembly space.

Referring to fig. 3, 4 and 6, the inner diameter of the adjusting cavity 43 is smaller than that of the heating cavity 42, the helical blade 52 is spirally extended along the axial direction of the connecting shaft 511, the helical blade 52 is matched and attached to the inner wall of the adjusting cavity 43, the water pumping effect is better, and the water control capacity is stronger.

In some embodiments, a first temperature sensor 7, a second temperature sensor 8 and a control assembly 20 are also included, wherein the first temperature sensor 7 is proximate to the heating chamber 42 for sensing the temperature of the water in the heating chamber 42; the second temperature sensor 8 is close to the adjusting cavity 43 and is used for detecting the water temperature of the adjusting cavity 43; the first temperature sensor 7, the second temperature sensor 8 and the driving part 51 are all connected with the control assembly 20. The rotating speed of the driving part 51 is adjusted through the real-time temperature difference value of the first temperature sensor 7 and the second temperature sensor 8, so that the temperature difference between the adjusting cavity 43 and the heating cavity 42 is reduced, and the uniform brewing temperature is achieved.

An embodiment of the utility model provides a coffee machine, including the device of adding water in above arbitrary embodiment.

Referring to fig. 1, 2 and 5, the coffee maker further comprises a case 23, the brewing head 3 extends out from one side of the case 23, and the guide assembly, the heating element 4 and the water pumping assembly 5 are all located in the case, so that the coffee maker has a better and regular appearance, wherein the water tank 1 is higher than the heating cavity 42, the bottom of the water tank 1 is provided with a water supply hole, and the first water passing hole 451 is connected with the water supply hole through a first pipeline 46 so as to form water pressure to flow into the guide assembly; the second water through hole 411 is connected to the brew head 3 through a second pipe 47.

Furthermore, the coffee machine also comprises a base 2 and a brewing container 6, the bottom of the base 2 is open and is sealed by a bottom cover 22, a display screen 9 and a control knob 10 are arranged on the base 2, a support table 21 is formed below the brewing head 3 on the base 2 and is used for placing the brewing container 6, the container opening of the brewing container 6 is aligned with the water outlet hole 31 of the brewing head 3 above, a filter part 61 is arranged at the container opening of the brewing container 6, and the filter part 61 can adopt a filter screen basket, filter cotton and the like.

The embodiment of the utility model discloses coffee machine can but not be limited to carry out following mode:

a: a rich brewing mode:

when the water tank 1 is higher than the heating cavity 42, a certain amount of water can flow into the heating cavity 42, the heating component 4 works, and when the first temperature sensor 7 and the second temperature sensor 8 detect that the temperatures of the two are close to about 65 ℃, the water pumping component 5 is involved, the helical blade 52 rotates slowly in the anticlockwise direction, cold water in the adjusting cavity is pumped into the heating cavity 42 to be heated, hot water in the heating cavity 42 is reduced and sprayed and gushed out along the water outlet hole 31, the temperature rising speed of the first temperature sensor 7 and the temperature rising speed of the second temperature sensor 8 are rapidly increased when the water pumping component detects that the temperature rising speed of the first temperature sensor 7 and the temperature rising speed of the second temperature sensor 8 are rapidly increased, the driving component 51 drives the helical blade 52 to increase the rotating speed, the hot water is further slowed down to be sprayed and gushed out along the water outlet hole 31, the water pumping assembly 5 stops working, the hot water in the heating chamber 42 is heated and rises to the brewing head 3, and the coffee powder in the filter element 61 is brewed and timed.

Then, the heating part 4 stops working, and the spraying stops timing;

then, the heating part 4 continues to work and sprays and infuses again;

finally, because the water level of the water tank 1 is low, the temperature jump in the heating cavity 42 is large, when the temperatures detected by the first temperature sensor 7 and the second temperature sensor 8 reach a certain temperature difference value, the water pumping component 5 is involved, the helical blade 52 rotates clockwise quickly, and the water in the heating cavity 42 is pumped to the brewing head 3 quickly for spraying and brewing;

when the temperatures detected by the first temperature sensor 7 and the second temperature sensor 8 reach the set peak value, the heating component 4 and the water pumping component 5 stop working, and the brewing is finished.

B: a large-flow brewing mode: (coffee taste flavor refreshing)

The water tank 1 is higher than the heating device, a certain amount of water can be poured into the heating cavity 42, the heating component 4 works, after the first temperature sensor 7 and the second temperature sensor 8 detect that the temperatures of the first temperature sensor 7 and the second temperature sensor 8 are close to about 65 ℃, the water pumping component 5 intervenes, the spiral blade 52 rotates anticlockwise and slowly, cold water in the adjusting cavity is sucked into the heating cavity 42 to be heated, hot water in the heating cavity 42 is reduced to be sprayed and gushed out along the water outlet, the water pumping component 5 intervenes, the spiral blade 52 rotates clockwise and fast, water in the heating cavity 42 is rapidly pumped to the brewing head 3, and the filtering component 61 is brewed.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. Watering device for coffee machine, its characterized in that: comprises that

A water tank;

the brewing head is provided with a water outlet hole;

the heating component is sleeved outside the flow guide component;

2. The watering device of claim 1, wherein: the flow guide assembly comprises a flow guide shell, a first sealing cover and a second sealing cover, the adjusting cavity forms a first cavity opening on the flow guide shell, the first sealing cover is connected with the first cavity opening, and the first sealing cover is provided with the first water through hole; the heating chamber in form the second accent on the water conservancy diversion casing, the sealed lid of second with the second accent is connected, the sealed lid of second is equipped with the water hole is crossed to the second.

3. The watering device of claim 2, wherein: the utility model discloses a water pump assembly, including drive assembly, first sealed lid, second sealed lid, pump water assembly, connecting axle, first shaft hole is equipped with on the first sealed lid, the sealed second shaft hole that is equipped with of second, pump water assembly still includes the connecting axle, the connecting axle is established drive assembly's output, the connecting axle passes heating chamber and regulation chamber, and respectively with first shaft hole with the second shaft jogged joint, the helical blade suit is in on the connecting axle.

4. A water addition device as claimed in claim 3, wherein: the first sealing cover is sunken towards the inside of the heating cavity to form an accommodating cavity, and the driving part is embedded in the accommodating cavity.

5. A water addition device as claimed in claim 3, wherein: the internal diameter of adjusting the chamber is less than the internal diameter of heating chamber, helical blade with the inner wall of adjusting the chamber matches the laminating.

6. The watering device of claim 1, wherein: also comprises

7. Coffee machine, its characterized in that: comprising a watering device according to any one of claims 1 to 6.

8. A coffee machine according to claim 7, characterized in that: still include the quick-witted case, the bubble head by one side of quick-witted case is stretched out, the water conservancy diversion subassembly the heating part with pump water subassembly all is located in the quick-witted case, the water tank is higher than the heating chamber, the water tank bottom is equipped with the water supply hole, first water hole through first pipeline with the water supply jogged joint, the second water hole through the second pipeline with the bubble head is connected.

9. A coffee machine according to claim 8, characterized in that: the brewing device further comprises a base, wherein the base forms a supporting table below the brewing head.

10. A coffee machine according to claim 7, characterized in that: the tea making device further comprises a brewing container, and a filter part is arranged at the container opening of the brewing container.