Handheld milk foam machine
By integrating the heating element and the foaming wheel into one unit, the problem of large size and inconvenience of existing milk frothers is solved, realizing the miniaturization and multifunctionality of handheld milk frothers.
Patent Information
- Application Number
- CN202520096417.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing milk frothers have separate heating elements and stirring heads, resulting in large size and inconvenience for carrying.
A handheld milk frother was designed, which integrates a heating element and a foaming wheel into one unit. The heating element generates heat and conducts it to the outer metal cylinder through a rotating shaft. The motor drives the foaming wheel to rotate and stir the liquid, thus achieving the functions of heating and stirring.
It features a small, portable heating and stirring function, making it convenient to froth milk when you're out and about.
Smart Images

Figure CN223817420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to milk frother technical field especially hand -held milk frother. BACKGROUND
[0002] The heating body and the stirring head of the prior art milk frother are separated and work independently, resulting in large size and inconvenience in carrying. SUMMARY
[0003] The utility model discloses a hand -held milk frother to solve the technical problem of the heating body and the stirring head of the prior art milk frother being separated and working independently, resulting in large size and inconvenience in carrying.
[0004] In order to realize the above-mentioned purpose, the utility model discloses a hand -held milk frother, including the shell, the lower portion of shell is equipped with the outer tube, the bottom of shell is connected with the top of outer tube, the inside of top of shell is equipped with power panel, the inside of bottom of shell is equipped with motor, the inside of bottom of outer tube is equipped with heating body, the lower portion of outer tube is equipped with frothing wheel, power panel is connected with motor, heating body electricity, motor passes through the pivot and is connected with frothing wheel, the pivot passes through the middle part of outer tube, heating body can produce heat and is conducted to outer tube, and the outer tube is metal outer tube.
[0005] Further, the bottom of the pivot is connected to the middle part of the frothing wheel, and the edge of the frothing wheel is sleeved with a frothing wheel spring ring.
[0006] Further, the middle part of the frothing wheel is connected to the bottom of the pivot through a pivot head, the edge of the frothing wheel is provided with an annular groove, and the frothing wheel spring ring is sleeved on the annular groove.
[0007] Further, the top of the power panel is provided with a top cover, the top cover is installed on the top of the shell, the top side wall of the shell is provided with a plurality of keys, the keys are connected and matched with the power panel.
[0008] Further, the outer tube comprises a lower cylinder, a conical cylinder and an upper cylinder connected in sequence from bottom to top, the diameter of the upper cylinder is larger than that of the lower cylinder, and the diameter of the conical cylinder gradually increases from bottom to top, the heating body is arranged in the inside of the lower cylinder, and the bottom of the shell extends into the inside of the upper cylinder.
[0009] Further, the shell is cylindrical, the bottom end outer wall of the shell is provided with a first assembly step, the two sides of the first assembly step are respectively provided with a first positioning column, the outer part of the outer cylinder is sleeved with a protective net, the bubble wheel is located between the outer cylinder and the protective net; the protective net is cylindrical, the lower half of the protective net is provided with a plurality of mesh holes, the upper half of the protective net is sleeved on the surface of the first assembly step upwards, the two sides of the upper half of the protective net are respectively provided with a first assembly groove in L shape, and the first assembly grooves on the two sides are respectively buckled with the first positioning columns on the two sides.
[0010] Further, the lower part of the first assembly step is provided with a second assembly step, the outer diameter of the second assembly step is smaller than that of the first assembly step, and the two sides of the second assembly step are respectively provided with a second positioning column; the two sides of the top of the upper cylinder are respectively provided with a second assembly groove in L shape, the upper cylinder is sleeved on the surface of the second assembly step upwards, and the second assembly grooves on the two sides are respectively buckled with the second positioning columns on the two sides.
[0011] Further, the heating body is cylindrical, the outer circumferential surface of the heating body is in heat conduction cooperation with the inner circumferential surface of the lower cylinder; the lower part of the heating body is provided with an oil seal fixing frame, the lower part of the oil seal fixing frame is provided with an oil seal, the middle part of the oil seal is provided with a shaft hole, the rotating shaft is in rotating cooperation with the shaft hole and is in close contact.
[0012] Further, the oil seal fixing frame is cylindrical, the top end edge of the oil seal fixing frame and the bottom end edge of the heating body are provided with heat insulation cotton therebetween, the bottom end edge of the oil seal fixing frame is provided with an embedded groove, the top edge of the oil seal extends into the embedded groove upwards, and the bottom edge of the oil seal is provided with an annular protrusion which is in contact with the bottom wall of the lower cylinder downwards.
[0013] Further, the middle part of the oil seal fixing frame is provided with a channel which protrudes upwards, and the rotating shaft passes through the channel; the edge of the oil seal fixing frame is provided with a notch, the notch is provided with an NTC which is in contact cooperation with the bottom wall of the lower cylinder, the NTC is located on the outer side of the oil seal, the NTC is electrically connected with the power board; the top edge of the heating body and the bottom end of the shell are provided with a heating body support, the middle part of the heating body support is provided with a rotating shaft connecting cylinder, the driving shaft of the motor is connected with the top end of the rotating shaft connecting cylinder, and the rotating shaft is connected with the bottom end of the rotating shaft connecting cylinder.
[0014] In summary, the technical scheme of the utility model has the beneficial effects as follows: the utility model has reasonable structure design, (1) the lower part of the shell is provided with an outer cylinder, the bottom end of the shell is connected with the top end of the outer cylinder, the top end inside of the shell is provided with a power board, the bottom end inside of the shell is provided with a motor, the bottom end inside of the outer cylinder is provided with a heating body, and the lower part of the outer cylinder is provided with a frothing wheel; thereby integrating the heating body and the frothing wheel, the utility model has small volume and is convenient to carry.(2) the power board is electrically connected with the motor and the heating body, the motor is connected with the frothing wheel through a rotating shaft, the rotating shaft passes through the middle part of the outer cylinder, the heating body can generate heat and conduct to the outer cylinder, and the outer cylinder is a metal outer cylinder; thereby on the one hand, the heating body generates heat and conducts to the metal outer cylinder to heat the liquid in contact with the metal outer cylinder, on the other hand, the motor drives the frothing wheel to rotate through the rotating shaft to agitate the liquid in contact with the frothing wheel to whip the milk foam. Thus, it can be seen that the utility model has small volume, is convenient to carry, can heat the liquid, agitate the liquid and whip the milk foam. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a perspective structural schematic view of the utility model;
[0016] Figure 2 is another perspective structural schematic view of the utility model;
[0017] Figure 3 is a perspective structural schematic view of the protective net of the utility model;
[0018] Figure 4 is a perspective structural schematic view of the utility model without the protective net;
[0019] Figure 5 is a perspective structural schematic view of the outer cylinder of the utility model;
[0020] Figure 6 is a perspective structural schematic view of the utility model without the outer cylinder;
[0021] Figure 7 is a sectional structural schematic view of the utility model;
[0022] Figure 8 is Figure 7 a lower side area enlarged view of
[0023] Figure 9 is Figure 8 a lower side area enlarged view of
[0024] Explanation of reference signs: shell (1), outer cylinder (2), power board (3), motor (4), heating body (5), foaming wheel (6), rotating shaft (7), foaming wheel spring ring (8), rotating shaft head (9), top cover (10), key (11), protective net (12), oil seal fixing frame (13), oil seal (14), heat insulation cotton (15), heating body support (16), rotating shaft connecting cylinder (17), NTC (18);
[0025] First assembly step (101), first positioning column (102), second assembly step (103), second positioning column (104); lower cylinder (201), tapered cylinder (202), upper cylinder (203), second assembly groove (204); annular groove (601); mesh (1201), first assembly groove (1202), embedded groove (1301), channel (1302), notch (1303); shaft hole (1401), annular protrusion (1402). DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, but do not constitute the limitation to the protection scope of the utility model.
[0027] In the utility model, in order to describe more clearly, make the following explanation: the upper part of the observer is set as upper, the lower part of the observer is set as lower, it should be pointed out that the terms "front end", "rear end", "left side", "right side", "middle part", "upper", "lower" in the text indicate the orientation or positional relationship based on the orientation or positional relationship of the drawing, and only for the convenience of clearly describing the utility model, and not indicate or imply that the structure or part indicated must have a particular orientation, and therefore can not be understood as the limitation to the utility model. In addition, the terms "first", "second", "third", "fourth" are only for the purpose of clarity or simplification of description, and can not be understood as indicating or implying relative importance or quantity.
[0028] Reference is made to Figures 1 to 9The embodiment provides a handheld milk frother, which comprises a shell 1, an outer cylinder 2 arranged below the shell 1, a bottom end of the shell 1 connected with a top end of the outer cylinder 2, a power board 3 arranged inside a top end of the shell 1, a motor 4 arranged inside a bottom end of the shell 1, a heating body 5 arranged inside a bottom end of the outer cylinder 2, and a frothing wheel 6 arranged below the outer cylinder 2; the power board 3 is electrically connected with the motor 4 and the heating body 5, the motor 4 is connected with the frothing wheel 6 through a rotating shaft 7, the rotating shaft 7 penetrates through the middle part of the outer cylinder 2, the heating body 5 can generate heat and conduct to the outer cylinder 2, and the outer cylinder 2 is a metal outer cylinder.The frothing wheel 6 is arranged below the outer cylinder 2, the bottom end of the shell 1 is connected with the top end of the outer cylinder 2, the top end of the shell 1 is internally provided with the power board 3, the bottom end of the shell 1 is internally provided with the motor 4, the bottom end of the outer cylinder 2 is internally provided with the heating body 5, and the frothing wheel 6 is arranged below the outer cylinder 2; thus the heating body and the frothing wheel are integrated, the volume is small, and the frother is convenient to carry.
[0029] Specifically, the bottom end of the rotating shaft 7 is connected with the middle part of the frothing wheel 6, and the edge of the frothing wheel 6 is sleeved with a frothing wheel spring ring 8.The frothing wheel spring ring 8 is arranged, so that the liquid is conveniently stirred, and the milk froth function is realized.
[0030] Specifically, the middle part of the frothing wheel 6 is connected with the bottom end of the rotating shaft 7 through a rotating shaft head 9, the edge of the frothing wheel 6 is provided with an annular groove 601, and the frothing wheel spring ring 8 is sleeved on the annular groove 601.The frothing wheel 6 and the frothing wheel spring ring 8 are convenient to install and replace.
[0031] Specifically, the top end of the shell 1 is provided with a top cover 10, the top cover 10 is arranged on the top end of the shell 1, the top end of the shell 1 is provided with a plurality of buttons 11, and the buttons 11 are connected with the power board 3.The top cover 10 is convenient to open and install internal parts, and the buttons 11 are convenient to control the power board.
[0032] Specifically, the outer cylinder 2 comprises a lower cylinder 201, a conical cylinder 202 and an upper cylinder 203 connected in sequence from bottom to top, the diameter of the upper cylinder 203 is larger than that of the lower cylinder 201, and the diameter of the conical cylinder 202 gradually increases from bottom to top; the heating body 5 is arranged in the interior of the lower cylinder 201, and the bottom end of the shell 1 extends into the interior of the upper cylinder 203. Effect: The shape of the outer cylinder can provide more space for heating and stirring liquid.
[0033] Specifically, the shell 1 is in a cylindrical shape, the bottom end of the shell 1 is provided with a first assembly step 101, the two sides of the first assembly step 101 are respectively provided with a first positioning column 102, the outer part of the outer cylinder 2 is sleeved with a protective net 12, and the foaming wheel 6 is located between the outer cylinder 2 and the protective net 12; the protective net 12 is in a cylindrical shape, the lower half of the protective net 12 is provided with a plurality of mesh holes 1201, the upper half of the protective net 12 is sleeved on the surface of the first assembly step 101 in an upward manner, and the two sides of the upper half of the protective net 12 are respectively provided with a first assembly groove 1202 in an L shape, and the two first assembly grooves 1202 are respectively buckled with the two first positioning columns 102. Effect: By rotating the protective net 12, the first assembly groove 1202 and the first positioning column 102 can be buckled together, so that the protective net 12 can be conveniently disassembled and installed; and the mesh holes 1201 can realize the filtering effect and achieve better liquid stirring.
[0034] Specifically, the lower part of the first assembly step 101 is provided with a second assembly step 103, the outer diameter of the second assembly step 103 is smaller than that of the first assembly step 101, and the two sides of the second assembly step 103 are respectively provided with a second positioning column 104; the two sides of the top of the upper cylinder 203 are respectively provided with a second assembly groove 204 in an L shape, the upper cylinder 203 is sleeved on the surface of the second assembly step 103 in an upward manner, and the two second assembly grooves 204 are respectively buckled with the two second positioning columns 104. Effect: By rotating the outer cylinder 2, the second assembly groove 204 and the second positioning column 104 can be buckled together, so that the outer cylinder 2 can be conveniently disassembled and installed.
[0035] Specifically, the heating body 5 is in a cylindrical shape, the outer circumferential surface of the heating body 5 is in heat-conducting cooperation with the inner circumferential surface of the lower cylinder 201; the lower part of the heating body 5 is provided with an oil seal fixing frame 13, the lower part of the oil seal fixing frame 13 is provided with an oil seal 14, the middle part of the oil seal 14 is provided with a shaft hole 1401, and the rotating shaft 7 is in rotating cooperation and close contact with the shaft hole 1401. Effect: The oil seal fixing frame 13 can facilitate the installation of the oil seal 14, and the oil seal 14 can prevent external liquid from entering the machine.
[0036] Specifically, the oil seal fixing frame 13 is cylindrical, heat insulation cotton 15 is arranged between the top edge of the oil seal fixing frame 13 and the bottom edge of the heat generating body 5, the bottom edge of the oil seal fixing frame 13 is provided with an embedding groove 1301, the top edge of the oil seal 14 extends into the embedding groove 1301, and the bottom edge of the oil seal 14 is provided with an annular protrusion 1402 which is in contact with the bottom wall of the lower cylinder 201. Action: The heat insulation cotton 15 avoids damage of heat of the heat generating body to the oil seal fixing frame 13 and the oil seal 14, so that the oil seal 14 better realizes the insulation effect.
[0037] Specifically, the middle part of the oil seal fixing frame 13 is provided with a passage 1302 which protrudes upwards, and the rotating shaft 7 passes through the passage 1302; the edge of the oil seal fixing frame 13 is provided with a notch 1303, the notch 1303 is provided with the NTC 18 which is in contact with the bottom wall of the lower cylinder 201, the NTC 18 is located outside the oil seal 14, and the NTC 18 is electrically connected with the power board 3; the top edge of the heat generating body 5 and the bottom end of the shell 1 are provided with the heat generating body support 16, the middle part of the heat generating body support 16 is provided with the rotating shaft connecting cylinder 17, the driving shaft of the motor 4 is connected with the top end of the rotating shaft connecting cylinder 17, and the rotating shaft 7 is connected with the bottom end of the rotating shaft connecting cylinder 17. Action: The NTC measures the temperature of the liquid, which is not directly in contact with the liquid, but indirectly measures the temperature of the liquid by measuring the temperature of the lower cylinder, so as to avoid contamination and damage of the NTC; the driving shaft of the motor 4 sequentially passes through the rotating shaft connecting cylinder 17, the rotating shaft 7 and the rotating shaft head 9, drives the frothing wheel 6 and the frothing wheel spring ring 8 to rotate, stirs the liquid in contact, and whips the milk foam. Therefore, the utility model can integrate the heat generating body, the NTC and the stirring head (i.e. the frothing wheel and the frothing wheel spring ring), has small volume, is convenient to carry, can have the functions of heating the liquid, stirring and whipping the milk foam, and has the NTC temperature control function.
[0038] The preferred embodiments of the utility model are described above, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and the improvements and decorations are also regarded as the protection range of the utility model.
Claims
1. A handheld milk frother, comprising a casing (1), characterized in that: The outer shell (1) has an outer cylinder (2) below it. The bottom end of the outer shell (1) is connected to the top end of the outer cylinder (2). The top end of the outer shell (1) has a power board (3) inside it. The bottom end of the outer shell (1) has a motor (4) inside it. The bottom end of the outer cylinder (2) has a heating element (5) inside it. The bottom of the outer cylinder (2) has a bubble wheel (6). The power board (3) is electrically connected to the motor (4) and the heating element (5). The motor (4) is connected to the bubble wheel (6) through a rotating shaft (7). The rotating shaft (7) passes through the middle of the outer cylinder (2). The heating element (5) can generate heat and conduct it to the outer cylinder (2). The outer cylinder (2) is a metal outer cylinder.
2. The handheld milk frother according to claim 1, characterized in that: The bottom end of the rotating shaft (7) is connected to the middle part of the bubbling wheel (6), and the edge of the bubbling wheel (6) is fitted with a bubbling wheel spring ring (8).
3. The handheld milk frother according to claim 2, characterized in that: The middle part of the foaming wheel (6) is connected to the bottom end of the rotating shaft (7) through the rotating shaft head (9). The edge of the foaming wheel (6) is provided with an annular groove (601), and the foaming wheel spring ring (8) is sleeved on the annular groove (601).
4. The handheld milk frother according to claim 1, characterized in that: The power board (3) is provided with a top cover (10), which is installed on the top of the outer shell (1); the top side wall of the outer shell (1) is provided with a number of buttons (11), which are connected and cooperate with the power board (3).
5. A handheld milk frother according to any one of claims 1 to 4, characterized in that: The outer cylinder (2) includes a lower cylinder (201), a conical cylinder (202), and an upper cylinder (203) connected sequentially from bottom to top. The diameter of the upper cylinder (203) is larger than that of the lower cylinder (201), and the diameter of the conical cylinder (202) gradually increases from bottom to top. The heating element (5) is disposed inside the lower cylinder (201), and the bottom end of the outer shell (1) extends downward into the interior of the upper cylinder (203).
6. A handheld milk frother according to claim 5, characterized in that: The outer shell (1) is cylindrical. The outer wall of the bottom end of the outer shell (1) is provided with a first assembly step (101). The first assembly step (101) is provided with first positioning posts (102) on both sides. The outer cylinder (2) is covered with a protective net (12). The bubble wheel (6) is located between the outer cylinder (2) and the protective net (12). The protective net (12) is cylindrical. The lower half of the protective net (12) is provided with a plurality of mesh holes (1201). The upper half of the protective net (12) is fitted upward on the surface of the first assembly step (101). The upper half of the protective net (12) is provided with L-shaped first assembly grooves (1202) on both sides. The first assembly grooves (1202) on both sides are respectively engaged with the first positioning posts (102) on both sides.
7. A handheld milk frother according to claim 6, characterized in that: Below the first assembly step (101) is a second assembly step (103), the outer diameter of the second assembly step (103) is smaller than the outer diameter of the first assembly step (101), and the second assembly step (103) is provided with second positioning posts (104) on both sides respectively; the top of the upper cylinder (203) is provided with L-shaped second assembly grooves (204) on both sides respectively, the upper cylinder (203) is fitted upward on the surface of the second assembly step (103), and the second assembly grooves (204) on both sides are engaged with the second positioning posts (104) on both sides respectively.
8. A handheld milk frother according to claim 5, characterized in that: The heating element (5) is cylindrical, and the outer circumferential surface of the heating element (5) and the inner circumferential surface of the lower cylinder (201) form a thermally conductive fit; an oil seal fixing bracket (13) is provided below the heating element (5), and an oil seal (14) is provided below the oil seal fixing bracket (13). A shaft hole (1401) is provided in the middle of the oil seal (14), and the rotating shaft (7) is rotatably fitted and in close contact with the shaft hole (1401).
9. A handheld milk frother according to claim 8, characterized in that: The oil seal fixing bracket (13) is cylindrical. A heat insulation cotton (15) is provided between the top edge of the oil seal fixing bracket (13) and the bottom edge of the heating element (5). An embedding groove (1301) is provided at the bottom edge of the oil seal fixing bracket (13). The top edge of the oil seal (14) extends upward into the embedding groove (1301). The bottom edge of the oil seal (14) is provided with an annular protrusion (1402) that contacts the bottom wall of the lower cylinder (201) downward.
10. A handheld milk frother according to claim 9, characterized in that: The oil seal fixing bracket (13) has an upward protruding channel (1302) in the middle, and the rotating shaft (7) passes through the channel (1302); the oil seal fixing bracket (13) has a notch (1303) on its edge, and an NTC (18) is provided in the notch (1303) to contact and cooperate with the bottom wall of the lower cylinder (201). The NTC (18) is located outside the oil seal (14), and the NTC (18) is electrically connected to the power board (3); a heating element support (16) is provided between the top edge of the heating element (5) and the bottom end of the outer shell (1). A rotating shaft connecting cylinder (17) is provided in the middle of the heating element support (16). The drive shaft of the motor (4) is connected to the top end of the rotating shaft connecting cylinder (17), and the rotating shaft (7) is connected to the bottom end of the rotating shaft connecting cylinder (17).