Steam rod and coffee machine

Abstract

The utility model discloses a steam stick and coffee machine, the steam stick includes outer tube, steam tube and steam nozzle, the outer tube has the inner cavity, be equipped with spacing groove on the inner cavity, said steam tube passes through in said inner cavity, said steam tube is equipped with the locating part, said locating part is clamped in said spacing groove, said steam nozzle is equipped with the steam nozzle. The steam nozzle is connected with the lower end of the outer pipe, one end of the steam pipe extends into the steam nozzle, the steam nozzle is provided with a spraying hole, and the steam pipe is communicated with the spraying hole. The steam pipe is provided with a positioning part, the positioning part is clamped in a limiting groove in the inner cavity of the outer pipe, one end of the steam pipe extends into the steam nozzle, and steam is sprayed out from a spraying hole of the steam nozzle, so that the steam pipe is limited in the inner cavity of the outer pipe, and the steam pipe cannot deviate due to the influence of the steam or the rotation of a steam rod in the use process; therefore, the steam pipe is always connected with the steam nozzle, and steam leakage at the joint of the steam pipe and the steam nozzle is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam wand technical field, specifically, especially, a kind of steam wand and coffee machine. BACKGROUND

[0002] Steam wand is the common component of milk frother and coffee machine, steam wand is inserted into beverage or liquid milk, and beverage or milk can be frothed, steam wand is used to make various flavors of coffee beverage, so as to improve the taste of coffee.

[0003] In order to make steam contact with milk more comprehensively in the process of making milk foam, the steam wand needs to adjust the steam outlet direction, which is usually solved by rotating the steam wand left and right. However, due to the high temperature of steam, in order to avoid scalding of the user during use, the conventional steam wand is set as a double-layer structure of outer tube and inner tube, the inner tube is directly inserted into the outer tube, the inner tube delivers steam, the outer tube is clamped on the shell of the milk frother or coffee machine, the bottom end of the outer tube is provided with a steam nozzle, the bottom end of the inner tube is inserted into the steam nozzle, so that a large amount of steam is sprayed from the steam nozzle. Due to the movement of steam during flow, the user rotates the steam wand back and forth during use, or rotates the steam wand at a large angle, the inner tube will deviate, causing the inner tube to separate from the steam nozzle, resulting in less steam sprayed from the steam nozzle, affecting the user's milk frothing effect. SUMMARY

[0004] The utility model aims at providing a kind of steam wand and coffee machine, to solve the technical problem that the inner tube of existing steam wand is prone to separate from steam nozzle.

[0005] The steam wand of the utility model can be realized by the following technical solutions:

[0006] A steam wand, comprising an outer tube, a steam pipe and a steam nozzle, the outer tube has an inner cavity, the inner cavity is provided with a limiting groove, the limiting groove is located at the lower end of the outer tube, the steam pipe is arranged in the inner cavity, the steam pipe is provided with a positioning part, the positioning part is clamped in the limiting groove, the steam nozzle is connected with the lower end of the outer tube, one end of the steam pipe extends into the steam nozzle, the steam nozzle is provided with a spray hole, the steam pipe is communicated with the spray hole.

[0007] In one embodiment, the positioning part includes an elastic clamping ring and a clamping block, the elastic clamping ring is located above the clamping block, and the elastic clamping ring is in sealing engagement with the limiting groove.

[0008] In one embodiment, the steam nozzle is provided with a plug-in part, the plug-in part is inserted into the inner cavity, the plug-in part is provided with an annular groove, a sealing ring is arranged in the annular groove, and the sealing ring is in sealing connection with the inner cavity.

[0009] In one embodiment, the insertion portion is in abutment with the positioning portion.

[0010] In one embodiment, a protective sleeve is provided on the outer wall of the outer tube, and the protective sleeve is provided with a handle portion.

[0011] In one embodiment, the handle portion is provided with anti-skid protrusions.

[0012] The utility model also provides a coffee machine, including coffee machine main part and above -mentioned steam stick, be equipped with positioning hole on the coffee machine main part, steam stick is provided in the positioning hole.

[0013] In one embodiment, a steering ball head is connected to the upper end of the outer tube, the steering ball head is clamped in the positioning hole, and the steering ball head can rotate relative to the positioning hole.

[0014] In one embodiment, the upper end of the outer tube is provided with a clamping groove, and the steering ball head is provided with a protruding portion, the protruding portion is matched with the clamping groove, so that the steering ball head is fixed at the upper end of the outer tube.

[0015] In one embodiment, the top of the positioning hole is provided with a pressing plate, and the pressing plate is provided with a through hole communicating with the positioning hole.

[0016] Compared with the prior art, the steam stick and the coffee machine have the following beneficial effects: the steam pipe is provided with a positioning portion, the positioning portion is clamped in the limiting groove on the inner cavity of the outer tube, one end of the steam pipe extends into the steam nozzle, steam is sprayed from the spray hole of the steam nozzle, so that the steam pipe is limited in the inner cavity of the outer tube, and the steam pipe will not be deviated during use due to the size of the steam or the rotation of the steam stick, so as to ensure that the steam pipe is always connected with the steam nozzle, and steam leakage at the connection between the steam pipe and the steam nozzle is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the range, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.

[0018] Figure 1 It is the whole structure schematic diagram of steam stick of the utility model;

[0019] Figure 2 It is the sectional view of steam stick of the utility model;

[0020] Figure 3 It isFigure 2 Enlarged view of middle A part;

[0021] Figure 4 Is the steam nozzle structure schematic diagram of the steam stick of the utility model;

[0022] Figure 5 Is the structure schematic diagram of the steam stick installed in the coffee machine main body of the utility model;

[0023] Figure 6 Is Figure 5 The positioning hole structure schematic diagram of the coffee machine main body;

[0024] Figure 7 Is the turning ball head structure schematic diagram of the steam stick of the utility model.

[0025] Indicated in the figure: 100, steam stick;11, outer tube;111, inner cavity;112, limiting groove;113, clamping groove;114, straight pipe section;115, elbow section;12, steam pipe;121, positioning part;1211, elastic clamping ring;1212, clamping block;13, steam nozzle;131, spray hole;132, plug-in part;1321, annular groove;133, sealing ring;14, protective sleeve;141, handle part;142, anti-skid protrusion;15, turning ball head;151, protruding part;200, coffee machine main body;21, positioning hole;22, pressing plate;221, perforation. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model protection.

[0028] Embodiment 1

[0029] Please refer to Figures 1-4The embodiment provides a steam rod 100 which can be applied to a coffee machine or a steam milk frothing machine with a milk frothing function, the steam rod 100 comprises an outer pipe 11, a steam pipe 12 and a steam nozzle 13, the outer pipe 11 has an inner cavity 111, the inner cavity 111 is provided with a limiting groove 112, the limiting groove 112 is located at a lower end of the outer pipe 11, and the steam pipe 12 is arranged in the inner cavity 111. The steam pipe 12 is provided with a positioning part 121, the positioning part 121 is clamped in the limiting groove 112, so that the steam pipe 12 can be positioned in the inner cavity 111 and cannot be displaced. The steam nozzle 13 is connected with the lower end of the outer pipe 11, one end of the steam pipe 12 extends into the steam nozzle 13, so that the steam pipe 12 is connected with the steam nozzle 13. The steam nozzle 13 is provided with a spray hole 131, the steam pipe 12 is communicated with the spray hole 131, steam is input from an upper end of the steam pipe 13, output to the steam nozzle 13 from a lower end, and then sprayed from the spray hole 131. When frothing milk, the user puts the steam nozzle 13 into liquid milk, and uses steam to froth the liquid milk into foam.

[0030] In the embodiment, the limiting groove 112 can be a groove formed by extending the inner cavity 111 to both sides, or a groove formed by extending the inner cavity 111 to one side, that is, it can be understood that a section of the inner cavity 111 at the lower end has the limiting groove 112, and the width of other parts is the narrowest, the positioning part 121 is matched with the limiting groove 112 in size, the width of the positioning part 121 is greater than the width of other parts of the inner cavity 111, the positioning part 121 is clamped in the limiting groove 112 and cannot move upward, and the steam pipe 12 is positioned and cannot move. In the use process, even if the user adjusts the steam size or rotates the outer pipe 11 at a large angle, since the positioning part 121 is limited in the limiting groove 121, the steam pipe 12 cannot be displaced upward, so that it is ensured that the lower end of the steam pipe 12 is always inserted in the steam nozzle 13, that is, the steam pipe 12 is always in a connected state with the steam nozzle 13, steam leakage caused by separation and loosening of the steam pipe 12 and the steam nozzle 13 is avoided, and the steam size is further ensured, so that the effect of frothing milk by the user is not affected.

[0031] Specifically, the positioning portion 121 includes an elastic clamping ring 1211 and a clamping block 1212, the elastic clamping ring 1211 is located above the clamping block 1212, and the elastic clamping ring 1211 is in sealing fit with the limiting groove 112. The elastic clamping ring 1211 is made of silica gel, and can be arranged separately from the steam pipe 12 or integrally formed with the steam pipe 12. In this embodiment, the clamping block 1212 is fixed on the steam pipe 12 and integrally formed with the steam pipe 12, and the elastic clamping ring 1211 is sleeved on the steam pipe 12 and located on the clamping block 1212. Preferably, the clamping block 1212 is in a columnar shape, and the limiting groove 112 is a groove formed on both sides of the inner cavity 111. During installation, first, the elastic clamping ring 1211 is sleeved on the steam pipe 12, one end of the steam pipe 12 is inserted into the inner cavity 111 of the outer pipe 11, and the clamping block 1212 is located in the limiting groove 112, then the lower end of the steam pipe 12 is inserted into the steam nozzle 13, and the steam nozzle 13 is connected to the lower end of the outer pipe 11. At this time, the elastic clamping ring 1211 abuts against one side of the limiting groove 112, the elastic clamping ring 1211 and the clamping block 1212 are completely embedded in the limiting groove 112, and the steam nozzle 13 blocks the lower end of the outer pipe 11.

[0032] Further, referring to Figures 2-4 , the steam nozzle 13 is provided with a plug-in portion 132, the plug-in portion 132 is inserted into the inner cavity 111, the plug-in portion 132 is provided with an annular groove 1321, the annular groove 1321 is provided with a sealing ring 133, and the sealing ring 133 is in sealing connection with the inner cavity 111, so that the steam nozzle 13 is more stably connected to the lower end of the outer pipe 12, and the steam nozzle 13 is prevented from being loosened due to user's misoperation. In this embodiment, the plug-in portion 132 is hollow, the steam nozzle 13 is provided with a spray hole 131 at an end away from the plug-in portion 132, when the steam nozzle 13 is connected to the lower end of the outer pipe 11, the lower end of the steam nozzle 13 is inserted into the plug-in portion, and such design can further strengthen the connection between the steam pipe 12 and the steam nozzle 13.

[0033] Further, referring to Figure 2 and Figure 3 , the limiting groove 112 is formed at the lower end of the outer pipe 12, the plug-in portion 132 is partially inserted into the limiting groove 112, the plug-in portion 132 abuts against the positioning portion 121, and the sealing ring 133 is in interference fit with the wall surface of the limiting groove 112. Specifically, the elastic clamping ring 1211 in the positioning portion 121 is extruded and in sealing fit with the limiting groove 112, so that the clamping block 1212 and the elastic clamping ring 1211 at both ends are extruded and cannot move up and down. In this embodiment, the size of the plug-in portion 132 is matched with the limiting groove 112, and the sealing ring 133 is a silica gel ring.

[0034] Further, in the embodiment, the outer tube 11 and the steam nozzle 13 are both made of metal. Since the steam temperature is high, in order to avoid the user from being scalded during use, a protective sleeve 14 is sleeved on the outer wall of the outer tube 11, the protective sleeve 14 is provided with a handle portion 141, and the handle portion 141 is used for the user to pull the outer tube 11. Specifically, a plurality of anti-skid protrusions 142 are arranged on the handle portion 141.

[0035] In the embodiment, the outer tube 11 has a straight tube section 114 and a bent tube section 115, the straight tube section 114 is arranged at both ends of the outer tube 11, the bent tube section 114 is located at a middle position, the straight tube section 114 is connected with the bent tube section 115, and the protective sleeve 14 is arranged on the bent tube section 114. In this way, the user can pull the outer tube 11 more easily.

[0036] Embodiment 2

[0037] The embodiment provides a coffee machine, which comprises the steam wand 100 described in Embodiment 1 and a coffee machine body 200. Please refer to FIGS. 1-7, wherein Figure 4 FIG. 7 shows a schematic view in which the steam wand 100 is mounted on the coffee machine body 200. The heater, the water tank, the extraction chamber and other parts in the coffee machine body 200 are not shown, and the structure and connection relationship of these parts are prior art, which will not be described here again. The steam wand 100 is usually connected with the heater, the heater is connected with the water tank, and the water is heated into steam by the heater for delivery. The coffee machine body 200 is provided with a positioning hole 21, and the steam wand 100 is arranged in the positioning hole 21, so that the steam wand 100 is arranged on the coffee machine body 200.

[0038] Further, in order to facilitate the user to rotate the steam wand 100 as needed, a steering ball head 15 is connected to the upper end of the outer tube 11, the steering ball head 15 is clamped in the positioning hole 21, and the steering ball head 15 can rotate relative to the positioning hole 21, so that the steam wand 100 rotates 360° around the positioning hole 21.

[0039] In the embodiment, in order to avoid the steam wand 100 from shaking violently during rotation, a pressing plate 22 is arranged at the top of the positioning hole 21, the pressing plate 22 is provided with a through hole 221 communicating with the positioning hole 21, and an installation space is formed between the pressing plate 22 and the positioning hole 21. The steam wand 100 is arranged in the positioning hole 21, and then the pressing plate 22 is arranged on the top of the positioning hole 21, so that the steering ball head 15 is limited in the installation space, and the upward movement of the steering ball head 15 during rotation is avoided.

[0040] Further, please refer to FIGS. 1, Figure 2 and Figure 7The upper end of the outer tube 11 is provided with a clamping groove 113, and the turning ball head 15 is provided with a protruding part 151, which is matched with the clamping groove 113, so that the turning ball head 15 is fixed at the upper end of the outer tube 11. In the embodiment, the turning ball head 15 is composed of two semicircle balls, and the protruding part 151 is arranged on the inner wall of the two semicircle balls respectively. When installed, the protruding part 151 is embedded in the clamping groove 113, and then the two semicircle balls are fixed together by using a screw or other fixing member, so that the turning ball head 15 is fixed at the upper end of the outer tube 11.

[0041] The technical features of the above-described embodiments can be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not contradict, they should be considered as the scope of the present disclosure.

[0042] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A vapor stick, characterized in that, The utility model relates to a steam rod, which comprises: an outer tube having an inner cavity, the inner cavity being provided with a limiting groove at a lower end of the outer tube; a steam tube provided in the inner cavity, the steam tube being provided with a positioning portion clamped in the limiting groove; a steam nozzle connected with the lower end of the outer tube, one end of the steam tube extending into the steam nozzle, the steam nozzle being provided with a spray hole, and the steam tube being in communication with the spray hole.

2. The vapor stick of claim 1, wherein, The positioning portion comprises an elastic clamping ring and a clamping block, the elastic clamping ring being located above the clamping block, and the elastic clamping ring being in sealing fit with the limiting groove.

3. The vapor stick of claim 1, wherein, The steam nozzle is provided with a plug-in portion, the plug-in portion being plugged into the inner cavity, an annular groove being provided on the plug-in portion, a sealing ring being provided in the annular groove, and the sealing ring being in sealing connection with the inner cavity.

4. The vapor stick of claim 3, wherein, The plug-in portion is in abutment with the positioning portion.

5. The vapor stick of claim 1, wherein, A protective sleeve is sleeved on an outer wall of the outer tube, the protective sleeve being provided with a handle portion.

6. The vapor stick of claim 5, wherein, The handle portion is provided with anti-skid protrusions.

7. A coffee maker, characterized in that The utility model relates to a coffee machine, which comprises a coffee machine body and the steam rod, the coffee machine body being provided with a positioning hole, and the steam rod being plugged into the positioning hole.

8. The coffee maker of claim 7, wherein, A turning ball head is connected with an upper end of the outer tube, the turning ball head being clamped in the positioning hole and being rotatable relative to the positioning hole.

9. The coffee maker of claim 8, wherein, An upper end of the outer tube is provided with a clamping groove, the turning ball head being provided with a protruding portion, the protruding portion being matched with the clamping groove to fix the turning ball head at the upper end of the outer tube.

10. Coffee machine according to claim 8 or 9, characterized in that A pressing plate is provided at a top of the positioning hole, the pressing plate being provided with a through hole in communication with the positioning hole.

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