Heating assembly for coffee machine

Abstract

The utility model discloses a heating assembly for coffee machine, including shell, heating pipe, water pipe, a plurality of fixed hoop sleeve, the water pipe includes two heat exchange section, water guide section, the two heat exchange section is spaced apart back and forth, the water guide section is connected between the two heat exchange sections, each heat exchange section is bended many times from inside to outside to form spiral structure; according to the heating assembly, the heating pipe and the water pipe are arranged, and the heating pipe is arranged between the two heat exchange sections of the water pipe, so that the contact area between the heating pipe and the water pipe is increased, and the overall heat exchange efficiency is improved; then the fixing hoop sleeve is arranged and used for fixing the water pipe and the heating pipe, after the water pipe and the heating pipe are subsequently placed in the die, displacement of the water pipe and the heating pipe can be prevented during die casting, the overall stability is improved, and the heat exchange effect is prevented from being affected; besides, the shell is arranged, the shell wraps and is attached to the heating pipe and the water pipe, and the situation that a cavity is formed in the shell, heating is concentrated, and heating is not uniform is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical technology field especially is related to a heating assembly for coffee machine. BACKGROUND

[0002] Coffee machine is a kind of equipment for automatically brewing coffee, and the whole process of brewing coffee such as grinding, pressing, powder loading, brewing and residue removal is automated by electronic technology;Coffee machine usually has a heating assembly to meet the temperature requirement of the coffee made by users, but in the existing heating assembly, the water pipe and the heating pipe are usually not accurately connected due to production process during production, which affects the heat exchange efficiency between the water pipe and the heating pipe, and at the same time, there is a cavity in the shell, which will cause concentrated heating and uneven overall heat exchange. A coffee machine heating device is disclosed in the publication No. CN2561325Y, which is a heating device provided between the liquid conduit connected to the side of the self-water tank and the water outlet, and is set in the travel section to assist the heating device in the preset flow group, so that the liquid passing through the heating device into the adjacent liquid conduit can be continuously heated by the auxiliary heating device in the pipe circuit. In the coffee machine heating device, the liquid conduit and the heating device do not contact completely, which makes it difficult to exchange heat uniformly and the heat exchange efficiency is not high. SUMMARY

[0003] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a heating assembly for coffee machine with high heat exchange efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following scheme: a heating assembly for coffee machine, comprising a shell, a heating pipe, a water pipe and a plurality of fixing hoops, the water pipe comprises two heat exchange sections and a water guide section, the two heat exchange sections are arranged at intervals, the water guide section is connected between the two heat exchange sections, each heat exchange section is spirally formed by multiple bending from inside to outside, the heating pipe is arranged between the two heat exchange sections, the heating pipe is attached to the two heat exchange sections on the front and back sides respectively, the water guide section passes through the heating pipe, the plurality of fixing hoops are used to fix the heating pipe and the water pipe, the plurality of fixing hoops are sequentially and spaced from top to bottom, the fixing hoops are used to limit the displacement of the heating pipe and the water pipe, and the shell wraps and attaches to the heating pipe and the water pipe.

[0005] The utility model discloses beneficial effect is: whole day stability is high, this heating assembly passes through setting up heating pipe, water pipe, sets up heating pipe between the two heat exchange sections of water pipe, improves the contact area between heating pipe and water pipe in this way, thereby improves the overall heat exchange efficiency, then through setting up fixed hoop cover, fixed hoop cover is used for fixing water pipe and heating pipe, can be placed in the mold after subsequent water pipe and heating pipe, prevents water pipe and heating pipe from producing displacement when pressure casting, improves overall stability, prevents the influence heat exchange effect, still, through setting up shell, shell wraps and sticks heating pipe and water pipe, prevents the cavity in the shell, and appears the situation of concentrated heating, makes uneven heating, and the overall structure is practical and reliable.

[0006] Further, the water pipe further comprises a water inlet section and a water outlet section, one heat exchange section is connected to the water inlet section at one end and connected to the water guide section at the other end, and the other heat exchange section is connected to the water outlet section at one end and connected to the water guide section at the other end.

[0007] Further, the end of the water inlet section extending out of the shell is connected with a water inlet interface. After the above structure is adopted, the utility model is convenient for docking with the water inlet assembly.

[0008] Further, the end of the water outlet section extending out of the shell is connected with a water outlet interface. After the above structure is adopted, the utility model is convenient for docking with the water outlet assembly.

[0009] Further, each heat exchange section is formed into a square or rectangular spiral structure by multiple bending from inside to outside. After the above structure is adopted, the utility model increases the length of the heat exchange section, thereby improving the heat exchange effect.

[0010] Further, the heating pipe comprises two first heating sections, two second heating sections and a third heating section formed by multiple bending. The two first heating sections are symmetrically arranged left and right, the two second heating sections are symmetrically arranged left and right, one end of one second heating section is connected to one first heating section, the other end is connected to the third heating section, and the two first heating sections extend out of the shell. After the above structure is adopted, the utility model increases the length of the heating pipe, thereby improving the heat exchange effect.

[0011] Further, the second heating section is in an inverted U-shaped structure.

[0012] Further, the third heating section is in a U-shaped structure, and the inside of the third heating section is hollow.

[0013] Further, the fixed hoop cover is in a rectangular frame structure.

[0014] Further, the fixed hoop cover is connected front and back.

[0015] Further, the shell is formed by aluminum water pressure casting.

[0016] Furthermore, the outer casing is provided with screw holes. With the above structure, the outer casing can be fixed in place.

[0017] Furthermore, a heating wire is provided inside the heating tube, and the heating wire is made of nickel-chromium wire. With the above structure, the heating wire made of nickel-chromium wire has a longer service life.

[0018] Furthermore, the heating element and the water pipe are integrally formed. Attached Figure Description

[0019] Figure 1 The overall three-dimensional structure of this utility model Figure One .

[0020] Figure 2 The overall three-dimensional structure of this utility model Figure Two (Outer casing not shown).

[0021] Figure 3 The overall three-dimensional structure of this utility model Figure Three (Outer casing not shown).

[0022] Wherein, 1 is the outer shell, 11 is the screw hole, 21 is the first heating section, 22 is the second heating section, 23 is the third heating section, 2a is the heating wire, 31 is the heat exchange section, 32 is the water guide section, 33 is the water inlet section, 331 is the water inlet connector, 34 is the water outlet section, 341 is the water outlet connector, and 4 is the fixing sleeve. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] See appendix Figure 1 To be continued Figure 3As shown, a heating component for a coffee machine includes a housing 1, a heating tube, a water pipe, and several fixing sleeves 4. The water pipe includes two heat exchange sections 31, a water guiding section 32, a water inlet section 33, and a water outlet section 34. The two heat exchange sections 31 are spaced apart from each other, and the water guiding section 32 connects the two heat exchange sections 31. Each heat exchange section 31 is bent multiple times from the inside to the outside to form a spiral structure. The heating tube is placed between the two heat exchange sections 31, and the front and rear sides of the heating tube are respectively attached to the two heat exchange sections 31. The water guiding section 32 passes through the heating tube. Several fixing sleeves 4 fix the heating tube and the water pipe respectively. The fixing sleeves 4 are spaced apart from top to bottom. The fixing sleeves 4 are used to restrict the displacement of the heating tube and the water pipe. The housing 1 wraps around and attaches to the heating tube and the water pipe.

[0026] In this embodiment, one heat exchange section 31 is connected to the inlet section 33 at one end and the guide section 32 at the other end; another heat exchange section 31 is connected to the outlet section 34 at one end and the guide section 32 at the other end; the end of the inlet section 33 extends out of the outer shell 1, and the end of the inlet section 33 extending out of the outer shell 1 is connected to the inlet interface 331; the end of the outlet section 34 extends out of the outer shell 1, and the end of the outlet section 34 extending out of the outer shell 1 is connected to the outlet interface 341.

[0027] In this embodiment, each heat exchange section 31 is bent multiple times from the inside to the outside to form a square or rectangular spiral structure.

[0028] In this embodiment, the heating tube includes two first heating sections 21, two second heating sections 22, and a third heating section 23 formed by multiple bends. The two first heating sections 21 are arranged symmetrically on the left and right, and the two second heating sections 22 are arranged symmetrically on the left and right. One end of a second heating section 22 is connected to a first heating section 21, and the other end is connected to a third heating section 23. The two first heating sections 21 extend out of the outer shell 1.

[0029] In this embodiment, the second heating section 22 has an inverted U-shaped structure; the third heating section 23 has a U-shaped structure, the inner side of the third heating section 23 is hollow, and the water guiding section 32 passes through the hollow part of the inner side of the third heating section 23.

[0030] In this embodiment, a heating wire 2a is provided inside the heating tube. The heating wire 2a is made of nickel-chromium wire, which can improve the service life of the heating tube.

[0031] In this embodiment, the fixing sleeve 4 is connected front and rear. After the front and rear ends of the fixing sleeve 4 are joined together, the connection is achieved by die casting. The fixing sleeve 4 has a rectangular frame structure.

[0032] In this embodiment, the outer shell 1 is formed by die casting of molten aluminum; the outer shell 1 is provided with screw holes 11, which pass through the hollow part inside the third heating section 23.

[0033] In this embodiment, during production, the heating tube is placed between the two heat exchange sections 31 of the water pipe, and the front sides of the two first heating sections 21 and the two second heating sections 22 are attached to the rear sides of the heat exchange section 31 located on the front side, and the rear sides of the two first heating sections 21 and the two second heating sections 22 are attached to the front sides of the heat exchange section 31 located on the rear side, so that the water pipe surrounds the heating tube. This can improve the heat exchange efficiency and make the water in the water pipe more evenly heated. Then, several fixing sleeves 4 are sequentially fitted onto the water pipe and die-cast to tighten them, so that the fixing sleeves 4 fix the water pipe and the heating tube, preventing the water pipe and the heating tube from shifting during subsequent die-casting, affecting the heat exchange effect, and improving the overall stability. After fixing the water pipe, the heating tube, and the fixing sleeves, they are placed in the corresponding mold, and finally, molten aluminum is injected and die-cast to obtain the heating component of this embodiment.

[0034] Among them, the two heat exchange sections 31, two first heating sections 21, two second heating sections 22, and a third heating section 23 formed by multiple bending increase the contact area between the heating pipe and the water pipe, thereby improving the heat exchange efficiency of the whole day.

[0035] Furthermore, by setting up an outer shell 1, which wraps around and fits the heating pipe and water pipe, the space inside the outer shell 1 is filled with the space remaining besides the heating pipe and water pipe when the heating pipe and water pipe are inside the outer shell 1. This ensures that there are no extra cavities inside the outer shell 1, which would cause the heat to concentrate in these cavities, resulting in uneven heating.

[0036] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any way. Any person skilled in the art can make more possible variations and modifications to the technical solution of this utility model, or modify it into equivalent embodiments, without departing from the scope of the technical solution of this utility model. Therefore, all equivalent changes made based on the concept of this utility model without departing from the content of the technical solution of this utility model should be covered within the protection scope of this utility model.

Claims

1. A heating assembly for a coffee machine, comprising a housing (1), a heating element, a water pipe, and several fixing sleeves (4), characterized in that: The water pipe includes two heat exchange sections (31) and a water guiding section (32). The two heat exchange sections (31) are spaced apart from each other. The water guiding section (32) connects the two heat exchange sections (31). Each heat exchange section (31) is bent multiple times from the inside to the outside to form a spiral structure. The heating pipe is placed between the two heat exchange sections (31). The front and rear sides of the heating pipe are respectively attached to the two heat exchange sections (31). The water guiding section (32) passes through the heating pipe. Several fixing sleeves (4) fix the heating pipe and the water pipe respectively. Several fixing sleeves (4) are spaced apart from top to bottom. The fixing sleeves (4) are used to restrict the displacement of the heating pipe and the water pipe. The outer shell (1) wraps around and attaches to the heating pipe and the water pipe.

2. The heating component for a coffee machine according to claim 1, characterized in that: The water pipe also includes an inlet section (33) and an outlet section (34). One of the heat exchange sections (31) is connected to the inlet section (33) at one end and to the water guide section (32) at the other end. The other heat exchange section (31) is connected to the outlet section (34) at one end and to the water guide section (32) at the other end.

3. The heating component for a coffee machine according to claim 2, characterized in that: The end of the water inlet section (33) extends out of the outer shell (1), and the end of the water inlet section (33) extending out of the outer shell (1) is connected to a water inlet interface (331).

4. A heating component for a coffee machine according to claim 2, characterized in that: The end of the water outlet section (34) extends out of the outer shell (1), and the end of the water outlet section (34) extending out of the outer shell (1) is connected to a water outlet interface (341).

5. A heating element for a coffee machine according to claim 1, characterized in that: Each heat exchange section (31) is bent multiple times from the inside to the outside to form a square or rectangular spiral structure.

6. A heating element for a coffee machine according to claim 1, characterized in that: The heating tube includes two first heating sections (21), two second heating sections (22), and a third heating section (23) formed by multiple bends. The two first heating sections (21) are arranged symmetrically on the left and right, and the two second heating sections (22) are arranged symmetrically on the left and right. One end of one second heating section (22) is connected to one first heating section (21), and the other end is connected to the third heating section (23). The two first heating sections (21) extend out of the outer shell (1).

7. A heating element for a coffee machine according to claim 1, characterized in that: The fixing sleeve (4) is connected at the front and back.

8. A heating element for a coffee machine according to claim 1, characterized in that: The outer shell (1) is formed by die casting of molten aluminum.

9. A heating element for a coffee machine according to claim 1, characterized in that: The outer casing (1) has screw holes (11).

10. A heating assembly for a coffee machine according to claim 1, characterized in that: The heating tube is provided with a heating wire (2a), which is made of nickel-chromium wire.

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