CN218164931U - Steam rod and beverage preparation machine - Google Patents

Abstract

The utility model provides a steam rod and a beverage preparation machine, wherein the steam rod comprises an adapter and a hard tube connected with the adapter; the adapter includes first section and second section along length direction, first section is connected with steam outlet pipe detachably, the second section stretches into in the stereoplasm pipe, the one end of stereoplasm pipe with adapter sealing connection, the other end of stereoplasm pipe forms the entry, be equipped with the inside air hole of intercommunication stereoplasm pipe on the pipe wall of stereoplasm pipe, the length of second section is not less than the third of stereoplasm pipe length. The steam pole comprises two parts, has reduced part quantity, reduce cost, and adapter and hard pipe can easily be dismantled and assemble moreover, consequently do not have clean dead angle problem.

Description

Steam rod and beverage preparation machine

Technical Field

The utility model relates to a food or beverage preparation technical field, in particular to steam pole and beverage preparation machine.

Background

With the improvement of living standard of people, the beverage preparation machine is more popular, for example, the coffee machine can conveniently and rapidly provide coffee for users, and becomes a product which is prepared for office, entertainment places and family life. With the rapid development of the field of the full-automatic coffee machine, the function is more and more powerful. As is known, at present, in household and professional coffee preparation machines, such as those capable of making cappuccino, there is a device for heating and frothing a liquid that mixes the liquid (milk), air and forms froth by means of steam and heats the liquid.

Such devices for heating and frothing liquids currently have different constructions and different operating modes, suitable for obtaining an optimal mixing of milk with air and, consequently, an optimal liquid milk froth of milk, air and steam. Such as to use a jet of steam issuing from a nozzle to froth, whip a liquid for preparing a hot beverage of "cappuccino". Such a steam jet is propelled below the free surface of the beverage for frothing, and in order to achieve a proper whipping, the operator must have a high manual skill to obtain a reproducible and good quality liquid milk froth.

However, the conventional device for heating and foaming liquid has a complicated structure and a large number of parts, which increases the cost. Moreover, the existing devices have areas and recesses where the liquid can settle and condense, cannot be completely disassembled, have dead cleaning corners, are not sanitary and need to be cleaned by means of specialized tools. In addition, the existing device has complicated operation of heating and liquid foaming, needs to depend on personal experience of an operator to control the proportion of air, liquid and steam, and is inconvenient to use.

For this reason, further improvements are required against the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure and convenient to use's steam pole.

Another object of the present invention is to provide a beverage preparation machine which is simple in structure and convenient to use.

In order to achieve one of the purposes of the utility model, the utility model provides a steam rod, which comprises an adapter and a hard tube connected with the adapter; the adapter includes first section and second section along length direction, first section is connected with steam outlet pipe detachably, the second section stretches into in the stereoplasm pipe, the one end of stereoplasm pipe with adapter sealing connection, the other end of stereoplasm pipe forms the entry, be equipped with the inside air hole of intercommunication stereoplasm pipe on the pipe wall of stereoplasm pipe, the length of second section is not less than the third of stereoplasm pipe length.

As a further improvement of an embodiment of the present invention, the hard tube is configured as a metal tube, the diameter of which is constant from one end to the other end and the diameter of the openings at both ends is the same.

As an embodiment of the present invention, the end of the first section of the adapter forms a flaring structure, the flaring structure is configured as a tapered opening, the adapter and the sealing ring between the steam outlet pipes forms at a position close to the flaring structure.

As a further improvement of an embodiment of the present invention, the end of the second section of the adapter forms a throat structure, the throat structure is a tapered throat, and the top-down structure includes a first portion and a second portion, wherein the first portion is larger than the second portion with respect to the extending direction of the adapter.

As an embodiment of the utility model provides a further improvement, the interval is equipped with first sealing ring, second sealing ring and third sealing ring on the second section of adapter, and wherein first sealing ring structure is the whole ring, is equipped with the breach on second sealing ring and the third sealing ring respectively, and the breach on the second sealing ring and the breach on the third sealing ring stagger along the circumferential direction position, the air hole is located between first sealing ring and the second sealing ring.

As a further improvement of an embodiment of the present invention, the air holes include a first air hole and a second air hole, the first air hole and the second air hole are respectively disposed at two ends of the hard tube, and the first air hole and the second air hole are respectively the same as the distance from the corresponding hard tube end surface.

As a further improvement of an embodiment of the present invention, the steam outlet pipe further includes a fixing block and an end cap connected to the steam outlet pipe, the steam outlet pipe includes a first pipe and a second pipe which are angled, the first pipe is inserted into the fixing block, and the end cap covers the first pipe and a bending portion of the second pipe.

As a further improvement of an embodiment of the present invention, an end of the second section is formed with a steam nozzle that crosses a position of a middle portion of the length of the hard tube.

As a further improvement of an embodiment of the present invention, the end of the second section of the adapter includes a steam nozzle, the aperture of the steam nozzle is larger than the aperture of the air hole, and the aperture range of the air hole is 0.3-1.5 mm.

The utility model discloses still relate to a beverage preparation machine, including the host computer body, still include as above arbitrary embodiment the steam pole, the steam outlet pipe sets up on the host computer body.

Compared with the prior art, the beneficial effects of the utility model reside in that: steam pole comprises two parts, including adapter and hard pipe, compares in traditional device, has reduced part quantity, reduce cost, and adapter and hard pipe can easily be dismantled and assemble moreover, consequently do not have clean dead angle problem. During operation, the steam rod only needs to extend into the milk cup, so that the milk is automatically frothed, and the operation of heating and automatically frothing the liquid is simplified. The length of the second section of adapter is not less than the third of hard pipe length, can realize carrying out more convenient control to the mixture of air, liquid and steam to realize better heating and liquid bubbling effect.

Drawings

Fig. 1 is a schematic perspective view of a steam pole according to an embodiment of the present invention;

FIG. 2 is an exploded perspective view of the steam pole of FIG. 1;

FIG. 3 isbase:Sub>A schematic cross-sectional view of the steam pole of FIG. 1 taken along line A-A;

FIG. 4 is a schematic cross-sectional view of the steam wand of FIG. 3 taken along line B-B;

FIG. 5 is an enlarged schematic view of portion c of FIG. 4;

fig. 6 is a schematic perspective view of an end cap of a steam outlet pipe according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The terms "first," "second," and "third" may be used interchangeably to distinguish one element from another, and are not intended to denote position or importance of the respective element. The terms "upstream" and "downstream" refer to relative positions with respect to fluid flow along a fluid pathway. For example, "upstream" may refer to a location closer to an inlet of fluid flow along the fluid pathway, and "downstream" may refer to a location closer to an outlet of fluid flow along the fluid pathway.

Approximating language, as used herein throughout the specification and claims, is applied to modify any quantitative representation that could permissibly vary without resulting in a change in the basic function to which it is related. Accordingly, a value modified by a term or terms, such as "about", "approximately", and "approximately", are not to be limited to the precise value specified. In at least some cases, the approximating language may correspond to the precision of an instrument for measuring the value. For example, approximate language may refer to a range of ten percent (10%).

The steam wand 100 of the present embodiment is illustrated as a steam wand for connecting to a steam outlet tube 10 of a beverage preparation machine. Referring to fig. 1 to 4, in the present embodiment, the steam pole 100 includes an adapter 20 and a hard pipe 30 connected to the adapter 20. The adaptor 20 is adapted to be removably connected to a steam outlet tube 10 of a beverage preparation machine to facilitate removal of the steam wand 100 from the beverage preparation machine for cleaning.

Wherein, one end of the hard tube 30 is hermetically connected with the adapter 20. The adapter 20 comprises a first section 201 and a second section 202 along the length direction, a step 23 is formed between the first section 201 and the second section 202, the first section 201 is detachably connected with the steam outlet pipe 10, the second section 202 extends into the hard pipe 30, and the hard pipe 30 can abut against the step 23 to facilitate the connection and the positioning. In this embodiment, one end of the rigid tube 30 is sealingly connected to the second section 202 of the adapter 20, and the other end of the rigid tube 30 forms the inlet. Air holes communicated with the interior of the hard tube 30 are formed in the tube wall of the hard tube 30, so that a liquid channel a and an air channel b are formed between the inlet of the hard tube 30 and the outlet of the adapter 20 and between the air holes of the hard tube 30 and the outlet of the adapter 20 respectively, the liquid channel a and the air channel are communicated with each other, the two channels are positioned in a cavity between the adapter and the hard tube 20, when steam in the steam outlet tube 10 is sprayed out from the outlet of the adapter 20, the steam sprayed out at high speed forms vacuum on the cavity part between the adapter 20 and the hard tube 30, pressure difference is generated, liquid and air enter the steam rod along the liquid channel a and the air channel b of the cavity respectively, and the liquid and the air are sucked into the cavity and the emulsified liquid is discharged from the cavity.

Preferably, in this embodiment, the length of the second section 202 is not less than one third of the length of the rigid tube 30, so that the mixing of air, liquid and vapor can be controlled more conveniently, thereby achieving better heating and liquid bubbling effects. The steam pole comprises two parts, including adapter 20 and hard pipe 30, compares in traditional device, has reduced part quantity, reduce cost, and adapter 20 and hard pipe 30 can easily be dismantled and assemble moreover, consequently do not have clean dead angle problem. During operation, the steam rod only needs to extend into the milk cup, so that the milk is automatically frothed, and the operation of heating and automatically frothing the liquid is simplified. In addition, the air hole is provided at a position closer to the first section 201 relative to the middle of the length of the hard tube 30, or closer to the end of the hard tube 30 relative to the middle of the length of the hard tube 30, so as to facilitate the entry of air when frothing milk.

Further, the adapter 20 may be made of soft rubber, generally made of rubber, or made of silica gel, and is conveniently inserted into and sealed with the rigid tube 30. The hard tube 30 is preferably made of metal, that is, the hard tube 30 is made of metal tube, the diameter of the metal tube is constant from one end to the other end, and the diameter of the openings at the two ends is the same, so that the hard tube can be conveniently connected with and detached from the adapter 20. The steam rod made of metal has high strength and high temperature resistance, and the wall thickness can be very thin, for example, the wall thickness of the metal pipe is approximately between 0.3 and 0.8 mm, the embodiment is preferably approximately 0.5 mm, so that the steam rod saves cost and is more convenient to clean. The stainless steel materials such as 304, 316L and the like can be adopted, the strength is high, and the influence on the food safety is avoided.

Wherein, the tip of the first section 201 of adapter 20 forms flaring structure 203, and flaring structure 203 constructs for the cone opening, and sealing washer 205 between adapter 20 and the steam outlet pipe 10 forms in the position that closes on the flaring structure, and the flaring structure makes things convenient for the high-speed joint of adapter 20 and steam outlet pipe 10, and sealing washer 205 closes on the flaring structure and sets up can strengthen the sealed between adapter 20 and the steam outlet pipe 10 to be convenient for between the two the connection location. The sealing ring 205 and the adapter 20 are integrally formed, so that the adapter 20 and the steam outlet pipe 10 are more convenient and reliable to connect.

The end of the second section 202 of the adapter 20 also forms a necked-down structure 204, the necked-down structure 204 being configured as a tapered necked-down including, from top to bottom, a first portion 241 and a second portion 242, the first portion 241 and the second portion 242 being connected directly or via an arc transition. The second portion 242 forms a steam nozzle, i.e. a steam nozzle is formed at the end of the second section 202, preferably over the middle of the length of the rigid tube 30, to make frothing of the milk more reliable. Further, the height of the first portion 241 is greater than the height of the second portion 242, and an inclination angle α 1 of the first portion 241 with respect to the extending direction of the adapter 20 is greater than an inclination angle α 2 of the second portion 242 with respect to the extending direction of the adapter 20. Wherein α 1 is approximately 5 to 10 degrees, preferably approximately 8 degrees; α 2 is approximately 2-5 degrees, preferably approximately 3 degrees. The necking structure 204 can better control the steam to enter so as to improve the steam flow rate, so that the milk foam has better forming effect and the operation of a user is simpler.

With continued reference to figure 2, the second section 202 of the adapter 20 is provided with first 221, second 222 and third 223 spaced apart sealing rings, all of which are formed integrally with the adapter 20, wherein the first sealing ring 221 is configured as a unitary ring, the second 222 and third 223 sealing rings are provided with respective notches 225 and 226, the notch 225 in the second sealing ring 222 and the notch 226 in the third sealing ring 223 are circumferentially offset, and wherein an air hole is provided between the first 221 and second 222 sealing rings. This does not interfere with the entry of air into the cavity between the adapter 20 and the rigid tube 30, while the location of the air holes may be located sufficiently far from the inlet of the rigid tube 30 to prevent liquid from entering through the air ports.

In one embodiment of the present invention, one air hole is provided at one end of the hard tube. In another embodiment, two air holes are provided, that is, the air holes include a first air hole 31 and a second air hole 32, and the first air hole 31 and the second air hole 32 are respectively provided at both ends of the rigid tube 30. When the hard tube 30 and the adapter 20 are disassembled and cleaned, correct correspondence of the air hole position can be realized no matter which end is plugged with the adapter 20, so that the disassembly and the assembly are very simple and convenient, and the fool-proof function is realized. When one end or the other end of the hard tube is connected to the adapter 20, the first air hole 31 or the second air hole 32 may be located between the first sealing ring 221 and the second sealing ring 222, and the first air hole 31 and the second air hole 32 may be staggered in the circumferential direction of the hard tube 30 without affecting the inflow of air. In this embodiment, it is preferable that the distances from the first air hole 31 and the second air hole 32 to the end surfaces of the corresponding hard tubes are the same, so that the positions of the air entering are the same, and the consistency of milk foam is ensured.

In this embodiment, it is preferable that the aperture d of the steam nozzle is larger than the aperture of the air hole, so that milk foam can be more effective, and the aperture of the air hole is set to be in the range of 0.3-1.5 mm, so that the water content of milk foam is the lowest, and the same volume of milk is foamed, and the volume of foamed milk foam is larger, compared with the case that the aperture is larger or smaller.

The present invention also relates to a beverage preparation machine, comprising a main body, wherein the main body is provided with a steam rod 100 as in the above embodiment, and a steam outlet pipe 10 is provided on the main body. The beverage preparation machine may be a tea dispenser, a coffee dispenser, a milk tea dispenser, or the like, for brewing a beverage.

Referring to fig. 2 and 6, the steam outlet pipe 10 includes a first pipe 101 and a second pipe 102 angled, and the first pipe 101 and the second pipe 102 are preferably disposed at an obtuse angle, such as an obtuse angle between 93-105 degrees, and preferably approximately 95 degrees. The first pipe 101 is inserted into the fixing block 40 to be connected with a steam supply pipe inside the machine body, and the fixing block 40 may be used for connection and sealing of the steam outlet pipe 10 with the machine body. An end cap 50 is also attached to the steam outlet tube 10, and the end cap 50 covers the bent portions of the first and second tubes 101 and 102 to seal the end of the second tube 102 of the steam outlet tube 10 away from the adapter portion. The end cap 50 can be clamped with the end of the steam outlet pipe 10 by the first and the second inner hooks 51 and 52, and the end cap 50 can improve the overall aesthetic appearance of the beverage preparation machine and prevent the steam outlet pipe from being touched by mistake to cause danger. Wherein, the fixing block 40 and the end cover 50 can be taken as a part of the steam rod 100 to be detached from the machine body together; or as a part of the machine body, and only the adapter 20 and the hard tube need to be disassembled during cleaning.

The utility model discloses a steam pole and beverage preparation machine, steam pole comprise two parts, including adapter and hard pipe, compare in traditional device, reduced part quantity, reduce cost, adapter and hard pipe can easily be dismantled and assemble moreover, consequently do not have clean dead angle problem. During operation, the steam rod only needs to extend into the milk cup, so that the milk is automatically foamed, and the heating and liquid automatic foaming operations are simplified. The air holes are located closer to the first section than to the middle of the rigid tube, and the ends of the second section extend to a position beyond the middle of the rigid tube. More convenient control of the mixing of air, liquid and steam can be achieved, thereby achieving better heating and liquid frothing effects.

It should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. A steam rod comprises an adapter and a hard pipe connected to the adapter;

the method is characterized in that: the adapter includes first section and second section along length direction, first section is connected with steam outlet pipe detachably, the second section stretches into in the stereoplasm pipe, the one end of stereoplasm pipe with adapter sealing connection, the other end of stereoplasm pipe forms the entry, be equipped with the inside air hole of intercommunication stereoplasm pipe on the pipe wall of stereoplasm pipe, the length of second section is not less than the third of stereoplasm pipe length.

2. The steam pole of claim 1 wherein the stiff tube is configured as a metal tube having a constant diameter from one end to the other and the same diameter for both end openings.

3. The steam pole of claim 1, wherein an end of the first section of the adapter forms a flared structure configured as a tapered opening, and wherein a sealing ring between the adapter and the steam outlet pipe is formed adjacent the flared structure.

4. The steam pole of claim 1 wherein the end of the second section of the adapter forms a throat structure configured as a tapered throat comprising, from top to bottom, a first portion and a second portion, the first portion being inclined at a greater angle relative to the direction of extension of the adapter than the second portion.

5. The steam pole of claim 1, wherein the second section of the adapter is spaced apart by a first seal ring, a second seal ring, and a third seal ring, wherein the first seal ring is configured as a full ring, the second seal ring and the third seal ring are each provided with a notch, the notches in the second seal ring and the third seal ring are circumferentially offset, and the air hole is located between the first seal ring and the second seal ring.

6. The steam bar of claim 1, wherein the air holes comprise a first air hole and a second air hole, the first air hole and the second air hole are respectively arranged at two ends of the hard tube, and the first air hole and the second air hole are respectively arranged at the same distance from the end face of the corresponding hard tube.

7. The steam pole of claim 1, further comprising a fixing block and an end cap connecting the steam outlet pipe, the steam outlet pipe comprising a first pipe and a second pipe at an angle, the first pipe being inserted into the fixing block, the end cap covering the bent portions of the first pipe and the second pipe.

8. The steam pole of claim 1 wherein the end of the second section is formed with a steam nozzle that passes over the middle portion of the length of the hard tube.

9. The steam pole of claim 1, wherein the end of the second section of the adapter includes a steam nozzle having a larger diameter than the air bore, the air bore having a diameter in the range of 0.3-1.5 mm.

10. A beverage preparation machine comprising a main body, characterized in that it further comprises a steam wand as claimed in any one of claims 1 to 9, said steam outlet tube being provided on the main body.

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