CN217907353U

CN217907353U - Portable coffee machine

Info

Publication number: CN217907353U
Application number: CN202221724766.0U
Authority: CN
Inventors: 李艺松
Original assignee: Foshan Seoul Electric Appliance Technology Co ltd
Current assignee: Foshan Seoul Electric Appliance Technology Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-29
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a portable coffee machine, including coffee machine main part and upper cover subassembly, the coffee machine main part includes the casing, fixes at inside inner bag and the support of casing, and the bottom of inner bag is fixed with the NTC heater, is fixed with the control PCB board on the support, is provided with the control button of being connected with the PCB board on the casing, its characterized in that: the upper cover subassembly includes the upper cover mounting, and upper cover mounting screw thread fixes at the top of casing, through the upper cover of boss rotatable coupling on the upper cover mounting, and the junction of upper cover and upper cover mounting is provided with upper cover sealing silica gel circle, and the middle part of upper cover is provided with the exhaust hole, is provided with sealing silica gel in the exhaust hole. The utility model discloses a structure sets up rationally, and it has exhaust hole and exhaust hole to have the sealing silica colloid in the middle part of upper cover to send out inner bag atmospheric pressure and be greater than 0.5bar, can open automatically and exhaust, be favorable to improving and dash the bubble effect, the suitability is strong and the practicality is good.

Description

Portable coffee machine

Technical Field

The utility model belongs to the technical field of the coffee machine, concretely relates to portable coffee machine.

Background

The coffee machine is very common in the life of people nowadays, almost all the steps of boiling coffee are realized by the coffee machine, such as grinding, filling powder, brewing and the like, for example, chinese patent CN201520623684.0 is a coffee machine accessory and a coffee machine thereof, wherein clear description mainly comprises a shell, a steam hole, a steam conduit and the like, although the coffee machine can meet the use requirements of general conditions, the exhaust effect is poor, the brewing effect is very limited, and the applicability and the practicability are limited.

Disclosure of Invention

The utility model aims at providing a structure sets up rationally and is favorable to improving the portable coffee machine who steeps the effect.

Realize the technical scheme of the utility model is a portable coffee machine, including coffee machine main part and upper cover subassembly, the coffee machine main part includes the casing, fixes inside inner bag and the support of casing, the bottom of inner bag is fixed with the NTC heater, be fixed with the control PCB board on the support, be provided with on the casing with the control button that PCB board is connected, the upper cover subassembly includes the upper cover mounting, upper cover mounting threaded fixation is in the top of casing, through the upper cover of protruding rotatable coupling on the upper cover mounting of axle, the upper cover with the junction of upper cover mounting is provided with upper cover sealing silica gel circle, the middle part of upper cover is provided with the exhaust hole, be provided with sealing silica gel in the exhaust hole, when the internal gas pressure of inner bag is greater than 0.5bar, sealing silica gel opens.

The water pump is further arranged in the shell and fixed on the support, the water inlet end of the water pump is communicated with the bottom of the inner container through a three-way joint, and the bottom of the inner container is further provided with a check valve which is connected with the PCB.

The bottom of the shell is fixed with a brewing seat, a safety switch is arranged on the brewing seat, a switch pressing block is arranged on the top surface of the safety switch, a water outlet connector is arranged at the center of the brewing seat, a water outlet spring and a mushroom head are arranged on the top surface of the water outlet connector, the bottom surface of the mushroom head is pressed on the water outlet spring, and the hemispherical surface is pressed in a water outlet hole of the water pump.

The bottom surface of the brewing base is in threaded connection with a coffee powder filter cup structure, and when the coffee powder filter cup structure is connected with the brewing base, the coffee powder filter cup structure is pressed on the safety switch and enables the safety switch to be turned on.

The coffee powder filter cup structure comprises a filter cup base, wherein a filter cup body is arranged in the filter cup base, a filter cup cover is arranged on the top surface of the filter cup body, the filter cup base is fixed with the brewing base through threads, the top surface of the filter cup cover is abutted to the pressure safety switch, and the water outlet connector penetrates through the filter cup cover.

A water outlet needle is fixed at the bottom of the filter cup body.

And a decorative bottom shell is fixed on the bottom surface of the filter cup seat through threads.

The utility model discloses has positive effect: the structure of the utility model is reasonable, the middle part of the upper cover is provided with the exhaust hole and the sealing silica gel body is arranged in the exhaust hole, so that when the air pressure of the inner generating container is more than 0.5bar, the inner generating container can be automatically opened for exhausting, the brewing effect can be improved, the applicability is strong and the practicability is good; the coffee powder brewing device is also provided with a water pump matched with a check valve, when the water pumping pressure of the water pump in the inner container is more than 1-1.5bar, the hot water of the inner container is pumped out by the water pump, otherwise, the water pump is in a closed state, the effectiveness and the reliability of brewing are improved, meanwhile, the coffee powder brewing device is also provided with a safety switch, only when the coffee powder filter cup structure is connected with the brewing base, the water pump can work, the use safety is improved, and the water outlet needle is also arranged, so that the water can uniformly brew the coffee powder in the filter cup body through the water outlet needle, the brewing uniformity is improved, and the practicability is good.

Drawings

In order that the manner in which the present invention is attained and can be more readily understood and appreciated, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings, wherein:

fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a second schematic view of the present invention;

fig. 4 is a schematic diagram of the exploded structure of fig. 3.

Reference numerals are as follows: the coffee maker comprises a control key 1, a coffee maker main body 2, a shell 21, an inner container 22, a support 23, an NTC heater 24, a control PCB 25, an upper cover component 3, an upper cover fixing component 31, a shaft boss 32, an upper cover 33, an upper cover sealing silica gel ring 34, an exhaust hole 35, a sealing silica gel body 36, a water pump 4, a three-way joint 5, a water outlet needle 6, a brewing base 7, a safety switch 8, a switch pressing block 9, a water outlet joint 10, a water outlet spring 11, a mushroom head 12, a coffee powder filter cup structure 13, a filter cup base 131, a filter cup body 132, a filter cup cover 133 and a decorative bottom shell 14.

Detailed Description

(example 1)

The technical solution is further described with reference to the accompanying

drawings

1 and 2 of the above specification, and the specific description is as follows:

referring to fig. 1 and 2, a portable coffee machine comprises a coffee machine main body 2 and an upper cover assembly 3, wherein the coffee machine main body 2 comprises a shell 21, an inner container 22 and a support 23 fixed inside the shell, an NTC heater 24 is fixed at the bottom of the inner container, a control PCB 25 is fixed on the support, and a control key 1 connected with the PCB is arranged on the shell.

The upper cover assembly 3 comprises an upper cover fixing piece 31, in the embodiment, the upper cover fixing piece is a plastic or metal structure body, the upper cover fixing piece is fixed to the top of the shell in a threaded mode, an upper cover 33 is rotatably connected to the upper cover fixing piece through a shaft boss 32, an upper cover sealing silica gel ring 34 is arranged at the joint of the upper cover and the upper cover fixing piece, an exhaust hole 35 is formed in the middle of the upper cover, sealing silica gel bodies 36 are arranged in the exhaust hole, and when the internal air pressure of the inner container is greater than 0.5bar, the sealing silica gel bodies are opened. In the embodiment, the exhaust hole is formed in the middle of the upper cover, and the sealing silica gel body is arranged in the exhaust hole, so that in the practical application process, when the air pressure in the inner container is greater than 0.5bar, the sealing silica gel body can be opened, the excessive air pressure in the inner container is avoided, the effectiveness and smoothness of exhaust are improved, and the use safety and reliability are improved.

The water pump is further arranged in the shell and fixed on the support, the water inlet end of the water pump is communicated with the bottom of the inner container through a three-way connector 5, and the bottom of the inner container is further provided with a check valve which is connected with the PCB. In this embodiment, the water pump is of a conventional structure in the prior art, while the check valve is also of a conventional structure in the prior art. The hot water in the inner container is pumped and taken out to be flushed into the filter cup body filled with coffee powder to complete the brewing operation.

The bottom of the shell is fixed with a brewing seat 7, the brewing seat is provided with a safety switch 8, the top surface of the safety switch is provided with a switch pressing block 9, the center of the brewing seat is provided with a water outlet joint 10, the top surface of the water outlet joint is provided with a water outlet spring 11 and a dried mushroom head 12, the bottom surface of the dried mushroom head is pressed on the water outlet spring, and the hemispherical surface is pressed in a water outlet hole of the water pump. In this embodiment, the water outlet joint can block up the outlet opening of water pump through a water spring and winter mushroom head, and when water pressure was greater than the effort of outlet spring when the water pump started, winter mushroom head can extrude water spring downwards to the water that makes the apopore is discharged in the water outlet joint.

The bottom surface of the brewing base is in threaded connection with a coffee powder filter cup structure 13, and when the coffee powder filter cup structure is connected with the brewing base, the coffee powder filter cup structure is pressed on the safety switch and enables the safety switch to be turned on. In this embodiment, the coffee powder filter cup structure 13 includes a filter cup holder 131, the filter cup holder is a plastic or metal structure, and is mainly used for placing a filter cup body and a filter cup cover, a filter cup body 132 is disposed in the filter cup holder, a filter cup cover 133 is disposed on the top surface of the filter cup body, the filter cup holder is fixed to the brewing base through threads, the top surface of the filter cup cover abuts against the safety switch, and the water outlet connector penetrates through the filter cup cover. When the brewing cup is used, the coffee powder is placed in the filter cup body, then the filter cup body filled with the coffee powder and the filter cup seat are connected with the brewing seat together, and hot water is flushed into the filter cup body through the water pump to complete the brewing operation.

A water outlet needle 6 is fixed at the bottom of the filter cup body. The water outlet needle ensures that the pressure of the water for brewing is higher, so that the coffee powder can be brewed uniformly.

The structure of the utility model is reasonable, the middle part of the upper cover is provided with the exhaust hole and the sealing silica gel body is arranged in the exhaust hole, so that when the air pressure of the inner generating container is more than 0.5bar, the inner generating container can be automatically opened for exhausting, the brewing effect can be improved, the applicability is strong and the practicability is good; the coffee powder brewing device is also provided with a water pump matched with a check valve, when the water pumping pressure of the water pump in the inner container is more than 1-1.5bar, the hot water of the inner container is pumped out by the water pump, otherwise, the water pump is in a closed state, the effectiveness and the reliability of brewing are improved, meanwhile, the coffee powder brewing device is also provided with a safety switch, only when the coffee powder filter cup structure is connected with the brewing base, the water pump can work, the use safety is improved, and the water outlet needle is also arranged, so that the water can uniformly brew the coffee powder in the filter cup body through the water outlet needle, the brewing uniformity is improved, and the practicability is good.

(example 2)

The technical solution is further explained by referring to fig. 3 and fig. 4 of the above specification, and the specific description is as follows:

referring to fig. 3 and 4, the present embodiment is substantially the same as embodiment 1, except that: and a decorative bottom shell 14 is fixed on the bottom surface of the filter cup seat through threads.

The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification can also be obtained directly by processing according to the common general knowledge of the prior art without any doubt, and the connection mode of the parts adopts the conventional means matured in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The utility model provides a portable coffee machine, includes coffee machine main part and upper cover subassembly, the coffee machine main part includes the casing, fixes inside inner bag and the support of casing, the bottom of inner bag is fixed with the NTC heater, be fixed with the control PCB board on the support, be provided with on the casing with the control button that the PCB board is connected, its characterized in that: the upper cover assembly comprises an upper cover fixing piece, the upper cover fixing piece is fixed to the top of the shell in a threaded mode, an upper cover is rotatably connected onto the upper cover fixing piece through a shaft boss, an upper cover sealing silica gel ring is arranged at the joint of the upper cover and the upper cover fixing piece, an exhaust hole is formed in the middle of the upper cover, sealing silica gel is arranged in the exhaust hole, and when the air pressure in the inner container is larger than 0.5bar, the sealing silica gel is opened.

2. A portable coffee machine according to claim 1, characterized in that: the water pump is further arranged in the shell and fixed on the support, the water inlet end of the water pump is communicated with the bottom of the inner container through a three-way joint, and the bottom of the inner container is further provided with a check valve which is connected with the PCB.

3. A portable coffee machine according to claim 2, characterized in that: the bottom of the shell is fixed with a brewing seat, a safety switch is arranged on the brewing seat, a switch pressing block is arranged on the top surface of the safety switch, a water outlet connector is arranged at the center of the brewing seat, a water outlet spring and a mushroom head are arranged on the top surface of the water outlet connector, the bottom surface of the mushroom head is pressed on the water outlet spring, and the hemispherical surface is pressed in a water outlet hole of the water pump.

4. A portable coffee machine according to claim 3, characterized in that: the bottom surface of the brewing base is in threaded connection with a coffee powder filter cup structure, and when the coffee powder filter cup structure is connected with the brewing base, the coffee powder filter cup structure is pressed on the safety switch and enables the safety switch to be turned on.

5. A portable coffee machine according to claim 4, characterized in that: the coffee powder filter cup structure comprises a filter cup base, wherein a filter cup body is arranged in the filter cup base, a filter cup cover is arranged on the top surface of the filter cup body, the filter cup base is fixed with the brewing base through threads, the top surface of the filter cup cover is abutted to the pressure safety switch, and the water outlet connector penetrates through the filter cup cover.

6. A portable coffee machine according to claim 5, characterized in that: a water outlet needle is fixed at the bottom of the filter cup body.

7. A portable coffee machine according to claim 6, characterized in that: and a decorative bottom shell is fixed on the bottom surface of the filter cup seat through threads.