Steam-based frothing device

Abstract

The utility model relates to a steam type frothing device, steam type frothing device includes: nozzle body, for hollow tubulose, outside upper end extends a circle step part, the first recess is set up outside step part, the air inlet groove is set up outside step part lower extreme; Sleeve, for hollow tubulose, is sleeved in nozzle body outside, inside upper end with outside buckle connection of step part, sleeve side surface sets up first through -hole, and first through -hole position corresponds to air inlet groove, the first cavity is formed with nozzle body outside interval inside sleeve, and the second cavity has in the nozzle body lower extreme inside sleeve, and the second cavity is connected first cavity and nozzle body, wherein, sleeve is configured as rotating around nozzle body axle center, and make first through -hole with air inlet groove communication or break, when communication, realize air, steam, milk liquid in the second cavity mixing, and produce the froth in milk liquid, break when, realize only steam heating to milk liquid, simple structure, convenient installation and operation.

Description

Technical Field

[0001] This utility model relates to the technical field of foaming devices for dairy beverages, and more particularly to steam foaming devices. Background Technology

[0002] A steam frother is typically installed at the interface of the steam generator in a coffee or beverage machine. It usually includes a nozzle body, a sleeve fixedly fitted onto the outside of the nozzle body, and an adjustment device fitted onto the outside of the sleeve. An air passage exists between the inner wall of the sleeve and the outer wall of the nozzle body, and an air inlet is located on the side of the sleeve, communicating with the air passage. In use, the steam generator produces steam, which is then sprayed onto the milk through the nozzle body. The air inlet is opened or closed by rotating the adjustment device. When the air inlet is open, air enters the air passage through the inlet and mixes with the steam and milk, creating milk foam. When the air inlet is closed, no air enters the air passage; only the steam heats the milk.

[0003] The above-mentioned steam bubbling device requires the three components to be connected and disassembled sequentially, resulting in a complex structural design, numerous installation and disassembly steps, and inconvenience for use, cleaning, and replacement.

[0004] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model discloses a steam-type foaming device to solve the problems of complex structure and inconvenient installation and disassembly of steam-type foaming devices.

[0006] The technical solution adopted in this utility model is as follows:

[0007] A steam-generating device includes: a nozzle body, which is a hollow tube with a stepped portion extending from its upper outer side. A first groove is formed on the outer side of the stepped portion, and an air inlet groove is formed on the outer side of the lower end of the stepped portion; a sleeve, which is a hollow tube and is fitted onto the outer side of the nozzle body, with its upper inner side snapped into the outer side of the stepped portion; a first through hole is formed on the side of the sleeve, the position of which corresponds to the air inlet groove; a first cavity is formed between the inner side of the sleeve and the outer side of the nozzle body, and a second cavity is formed on the inner side of the sleeve at the lower end of the nozzle body, the second cavity connecting the first cavity and the nozzle body; wherein the sleeve is configured to rotate around the axis of the nozzle body, thereby connecting or disconnecting the first through hole from the air inlet groove.

[0008] A further technical solution is that two first grooves are symmetrically opened on the upper outer side of the stepped portion; the upper inner side of the sleeve is sleeved on the outer side of the stepped portion, and the sleeve includes: a first locking block and a second locking block, which are symmetrically arranged on the inner side of the sleeve, respectively locking into the first grooves and sliding within the first grooves.

[0009] A further technical solution is that the upper end of the air intake groove is connected to the first groove.

[0010] A further technical solution is that the nozzle body further includes an adjustment groove, which is opened on the outside of the stepped portion and has a height corresponding to the first through hole. The end of the adjustment groove facing the direction of opening the first through hole is connected to the air inlet groove, and the width of the end of the adjustment groove facing the direction of closing the first through hole is smaller than that of the end facing the direction of opening the first through hole.

[0011] A further technical solution is that the sleeve includes: a second groove, formed on the inner wall of the sleeve, positioned corresponding to the first groove away from the air inlet groove; a connecting rod, connected to the outside of the second locking block; and an elastic element, sleeved on the outside of the connecting rod, with a first end connected to the second groove and a second end connected to the outside of the second locking block.

[0012] A further technical solution is that the upper end of the second card block has an inclined surface, and the inner side of the inclined surface is lower than the outer side of the inclined surface.

[0013] A further technical solution is that an extension portion extends from the lower inner end of the sleeve, and the extension portion is sleeved on the outer side of the nozzle body; a second through hole is opened on the extension portion, and the second through hole connects the first cavity and the second cavity.

[0014] A further technical solution is that the steam bubbling device includes: two sealing rings, which are snapped onto the outside of the nozzle body, one of which is located at the upper end of the first groove, and the other of which is located at the extension.

[0015] A further technical solution is that the nozzle body includes: a connector; a connecting pipe threaded to the lower end of the connector; and a nozzle body threaded to the lower end of the connecting pipe.

[0016] The beneficial effects of this utility model embodiment are as follows:

[0017] (I) The steam foaming device of this utility model includes a nozzle body and a sleeve. The sleeve is sleeved on the outside of the nozzle body, and the upper end of the inner side is snapped to the outer side of the step. The sleeve can rotate around its axis relative to the nozzle body, so that the first through hole on the side of the sleeve is connected or disconnected from the air inlet groove on the lower side of the step. When connected, steam enters the second cavity from the nozzle body. The steam jet generates negative pressure and drives air to enter the first cavity and the second cavity in sequence from the first through hole, so that air, steam and milk are mixed in the second cavity and foam is generated in the milk. When disconnected, only steam heats the milk. The structure is simple and the installation and operation are convenient.

[0018] (II) Furthermore, the sleeve includes a second groove, a connecting rod, and an elastic element. During sleeve installation, pulling the connecting rod retracts the second locking block into the second groove. After the sleeve is in place, the second locking block is engaged in the first groove by the elastic force of the elastic element. The elastic element consistently provides elastic force to ensure that the second locking block does not disengage from the first groove. For disassembly, simply pulling the connecting rod retracts the second locking block into the second groove to detach the sleeve from the nozzle body. The structure is simple, and installation and disassembly are convenient.

[0019] At the same time, when the connecting rod is long enough, it can also be used as a handle for rotating the sleeve, avoiding direct contact with the outer wall of the sleeve and thus preventing burns, ensuring good safety in use. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the steam-type bubbling device of this utility model.

[0021] Figure 2 In the first embodiment Figure 1 Enlarged view at point A.

[0022] Figure 3 In the first embodiment Figure 2 Sectional view at AA.

[0023] Figure 4 In the first embodiment Figure 2 Sectional view at BB.

[0024] Figure 5 This is a schematic diagram of the connecting parts in the steam-type bubbling device of this utility model.

[0025] Figure 6 In the second embodiment Figure 1 Enlarged view at point A.

[0026] Figure 7 In the second embodiment Figure 6 Sectional view at CC.

[0027] In the picture:

[0028] 1. Nozzle body; 11. Connector; 111. First groove; 112. Air inlet groove; 113. Adjustment groove; 12. Connecting pipe; 13. Nozzle body; 14. Sealing ring; 2. Sleeve; 21. First through hole; 22. First locking block; 23. Second locking block; 231. Connecting rod; 232. Elastic element; 233. Second groove; 234. Inclined surface; 24. Extension; 25. Second through hole; 201. First cavity; 202. Second cavity. Detailed Implementation

[0029] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the device proposed by this utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of this utility model will become clearer according to the following description. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions, only used to conveniently and clearly assist in illustrating the purpose of the embodiments of this utility model. Please refer to the accompanying drawings to make the objectives, features, and advantages of this utility model more apparent and understandable. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are only used to complement the content disclosed in the specification, for those skilled in the art to understand and read, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0031] First embodiment:

[0032] This embodiment discloses a steam-type bubbling device.

[0033] Figure 1 This is a schematic diagram of the steam-type bubbling device of this utility model. Figure 1 As shown, the steam bubbling device includes a nozzle body 1 and a sleeve 2.

[0034] The nozzle body 1 is a hollow tube with a stepped section extending from the upper outer side, and an air intake groove 112 is opened on the lower outer side of the stepped section.

[0035] Figure 2 In the first embodiment Figure 1 Enlarge the image at point A. (See image below.) Figure 1 and Figure 2As shown, the sleeve 2 is a hollow tubular shape, fitted onto the outside of the nozzle body 1, with its upper inner end snapped into the outer side of the stepped portion. A first through hole 21 is formed on the side of the sleeve 2, corresponding to the air inlet groove 112. A first cavity 201 is formed between the inner side of the sleeve 2 and the outer side of the nozzle body 1, and a second cavity 202 is located at the lower end of the nozzle body 1 on the inner side of the sleeve 2, connecting the first cavity 201 and the nozzle body 1. The sleeve 2 is configured to rotate around the axis of the nozzle body 1, allowing the first through hole 21 to connect with or disconnect from the air inlet groove 112.

[0036] Figure 3 In the first embodiment Figure 2 Sectional view at point AA. (See diagram below.) Figure 2 and Figure 3 As shown, for example, two first grooves 111 are symmetrically formed at the upper outer side of the stepped portion. The upper inner side of the sleeve 2 is fitted onto the outer side of the stepped portion. The sleeve 2 includes a first locking block 22 and a second locking block 23, which are symmetrically arranged on the inner side of the sleeve 2 and respectively engage with the first grooves 111 and slide within the first grooves 111. Preferably, the upper and lower ends of the inner sides of the first locking blocks 22 and 23 are chamfered to facilitate their engagement with the first grooves 111. Figure 1 As shown, a ring-shaped extension 24 extends from the lower inner end of the sleeve 2, and the extension 24 is fitted onto the outer side of the nozzle body 1. A second through hole 25 is formed on the extension 24, which connects the first cavity 201 and the second cavity 202. Both the upper and lower ends of the sleeve 2 are fitted onto the outer side of the nozzle body 1, which improves the stability of the aerating device during use. Of course, in other embodiments of this utility model, a groove can also be directly formed on the outer surface of the nozzle body 1 as the first cavity 201 to connect the air inlet groove 112 and the second cavity 202. This utility model does not further limit this aspect.

[0037] Figure 4 In the first embodiment Figure 2 Sectional view at BB. (See figure) Figure 3 and Figure 4 As shown, the upper end of the air intake groove 112 is connected to the first groove 111. During installation, the first locking block 22 enters the first groove 111 through the air intake groove 112, reducing installation resistance and guiding the installation.

[0038] Figure 5 This is a schematic diagram of the connecting parts in the steam-type bubbling device of this utility model. Figure 5As shown, the nozzle body 1 further includes an adjusting groove 113, which is located on the outer side of the stepped portion and its height corresponds to the first through hole 21. One end of the adjusting groove 113 facing the direction of opening the first through hole 21 communicates with the air intake groove 112. The width of the end of the adjusting groove 113 facing the direction of closing the first through hole 21 is smaller than that of the end facing the direction of opening the first through hole 21, and the end of the adjusting groove 113 facing the direction of closing the first through hole 21 does not extend beyond the left end of the first groove 111. When the first locking block 22 enters the right end of the first groove 111, the first through hole 21 is completely exposed in the air intake groove 112, and the air intake flow is at its maximum. When the first locking block 22 slides from the right end to the left end of the first groove 111, a portion of the first through hole 21 is covered by the stepped portion, and the air intake flow gradually decreases. When the first locking block 22 slides to the left end of the first groove 111, the first through hole 21 is completely covered by the stepped portion, and the air intake flow is almost zero.

[0039] like Figure 1 As shown, the steam bubbling device further includes two sealing rings 14, which are engaged on the outside of the nozzle body 1. One sealing ring 14 is positioned corresponding to the upper end of the first groove 111, and the other sealing ring 14 is positioned corresponding to the extension 24. The sealing rings 14 make the sleeve 2 and the nozzle body 1 in a sealing contact, thereby improving the sealing performance of the steam bubbling device.

[0040] In this embodiment, by fitting the lower inner end of the sleeve 2 onto the outer side of the nozzle body 1 and fitting the upper inner end onto the outer side of the step portion of the nozzle body 1 and snapping it with the step portion, the sleeve 2 can rotate relative to the nozzle body 1 around its axis, so that the first through hole 21 on the side of the sleeve 2 can be connected or disconnected from the air inlet groove 112 on the outer side of the lower end of the step portion. When connected, steam enters the second cavity 202 from the nozzle body 1, and the steam injection generates negative pressure, which drives air to enter the first cavity 201 and the second cavity 202 sequentially from the first through hole 21, so that air, steam and milk are mixed in the second cavity 202 and foam is generated in the milk. When disconnected, only steam heats the milk. The structure is simple and easy to install and operate.

[0041] Second embodiment:

[0042] Based on the first embodiment, the second embodiment further optimizes and refines the sleeve 2 of the first embodiment.

[0043] Figure 6 In the second embodiment Figure 1 Enlarged view at point A. Figure 7 In the second embodiment Figure 6 Sectional view at CC. (Example) Figure 6 and Figure 7 As shown, the sleeve 2 includes a second groove 233, a connecting rod 231, and an elastic element 232.

[0044] The second groove 233 is formed on the inner wall of the sleeve 2, corresponding to the first groove 111 away from the air inlet groove 112. The connecting rod 231 is connected to the outside of the second locking block 23. The elastic element 232 is sleeved on the outside of the connecting rod 231, with its first end connected to the inside of the second groove 233 and its second end connected to the outside of the second locking block 23. Preferably, the upper end of the second locking block 23 has an inclined surface 234, with the inner side of the inclined surface 234 being lower than the outer side of the inclined surface 234. This reduces the friction between the inclined surface 234 and the outer side of the step during installation, making it easier for the second locking block 23 to engage with the first groove 111.

[0045] like Figure 1 As shown, the nozzle body 1 further includes a connector 11, a connecting tube 12, and a nozzle body 13. The connecting tube 12 is threaded to the lower end of the connector 11. The outer diameter of the connector 11 is larger than the outer diameters of the connecting tube 12 and the nozzle body 13, thus forming the aforementioned stepped portion. The nozzle body 13 is threaded to the lower end of the connecting tube 12. The various components of the nozzle body 1 can be disassembled and replaced, especially the nozzle body 13, which is in long-term contact with milk, reducing replacement costs.

[0046] In this embodiment, during sleeve 2 installation, pulling the connecting rod 231 causes the second locking block 23 to retract into the second groove 233. After the sleeve 2 is in place, the second locking block 23 is engaged in the first groove 111 under the elastic force of the elastic element 232. The elastic element 232 always provides elastic force to ensure that the second locking block 23 does not disengage from the first groove 111. When disassembly is required, simply pulling the connecting rod 231 causes the second locking block 23 to retract into the second groove 233 to detach the sleeve 2 from the nozzle body 1. The structure is simple, and installation and disassembly are convenient.

[0047] At the same time, when the connecting rod 231 is long enough, it can also be used as a handle for rotating the sleeve 2, avoiding direct contact with the outer wall of the sleeve 2 and thus preventing burns, ensuring good safety in use.

[0048] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A steam-type bubbling device, characterized in that, The steam-type bubbling device includes: The nozzle body is a hollow tube with a stepped section extending from the upper outer end. A first groove is formed on the outer side of the stepped section, and an air inlet groove is formed on the outer side of the lower end of the stepped section. A sleeve, which is a hollow tube, is fitted onto the outside of the nozzle body, and its upper inner end is snapped to the outer side of the stepped portion; a first through hole is opened on the side of the sleeve, and the position of the first through hole corresponds to the air inlet groove; a first cavity is formed between the inner side of the sleeve and the outer side of the nozzle body, and a second cavity is located at the lower end of the nozzle body on the inner side of the sleeve, and the second cavity connects the first cavity and the nozzle body; The sleeve is configured to rotate about the axis of the nozzle body, and to connect or disconnect the first through hole from the air inlet groove.

2. The steam-type bubbling device according to claim 1, characterized in that, Two first grooves are symmetrically formed on the upper outer side of the stepped portion; the upper inner side of the sleeve is fitted onto the outer side of the stepped portion, and the sleeve includes: The first and second locking blocks are symmetrically arranged on the inner side of the sleeve, respectively locking into the first groove and sliding within the first groove.

3. The steam-type bubbling device according to claim 2, characterized in that, The upper end of the air intake slot is connected to the first groove.

4. The steam-type bubbling device according to claim 3, characterized in that, The nozzle body further includes an adjustment groove, which is opened on the outside of the stepped portion and has a height corresponding to the first through hole. The end of the adjustment groove facing the direction of opening the first through hole is connected to the air intake groove, and the width of the end of the adjustment groove facing the direction of closing the first through hole is smaller than that of the end facing the direction of opening the first through hole.

5. The steam-type bubbling device according to claim 3, characterized in that, The sleeve includes: The second groove is formed on the inner wall of the sleeve, and its position corresponds to the first groove away from the air inlet groove; the connecting rod is connected to the outside of the second locking block; An elastic element is sleeved on the outside of the connecting rod, with its first end connected to the second groove and its second end connected to the outside of the second locking block.

6. The steam-type bubbling device according to claim 5, characterized in that, The second card block has an inclined surface at its upper end, and the inner side of the inclined surface is lower than the outer side of the inclined surface.

7. The steam-type bubbling device according to claim 1, characterized in that, A ring of extension extends from the lower inner end of the sleeve, and the extension is fitted onto the outer side of the nozzle body. A second through hole is provided on the extension, and the second through hole connects the first cavity and the second cavity.

8. The steam-type bubbling device according to claim 7, characterized in that, The steam-type bubbling device includes: Two sealing rings are attached to the outside of the nozzle body, one of which is positioned at the upper end of the first groove, and the other is positioned at the extension.

9. The steam-type bubbling device according to claim 1, characterized in that, The nozzle body includes: Connectors; A connecting pipe is threaded to the lower end of the connector; The nozzle is threadedly connected to the lower end of the connecting pipe.

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