Manual control automatic milk foam foaming assembly for coffee machine
By designing a manual-controlled automatic milk frothing component, the problem that the steam pipe of the existing capsule coffee machine requires two hands to operate and takes up space is solved, and the milk frothing can be made quickly and beautifully with one hand.
Patent Information
- Application Number
- CN202511200945.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-26
- Publication Date
- 2025-10-03
AI Technical Summary
The steam pipe of the existing capsule coffee machine requires two hands to operate and takes up space, affecting the efficiency and aesthetics of milk frothing.
A manually controlled automatic milk frothing component has been designed, including a steam pipe, a fixing base, a damping gear and a locking component. It can be operated with one hand through a handle and a rocker switch. The steam pipe can be retracted and fixed at any position and integrated into the interior of the coffee machine.
It enables quick milk foaming with one hand, saves space, and improves ease of use and aesthetics.
Smart Images

Figure CN120732286A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of coffee machines, in particular to a manual automatic milk frothing component for coffee machines. Background Art
[0002] In capsule coffee machines, the steam pipe is a key component for making milk-based coffee drinks (such as lattes and cappuccinos). Its primary function is to heat and froth milk by spraying high-temperature, high-pressure steam. Currently, mainstream capsule coffee machines on the market are equipped with separate steam pipe controls for adjusting and turning the pipe on and off.
[0003] This fixed structure presents significant practical limitations: Conventional manual steam frothing requires two hands. For example, after placing the milk jug, one hand is needed to adjust the steam pipe, and the other hand is needed to turn the switch on. Alternatively, one hand is needed to adjust the steam pipe and then turn the switch on to froth the milk. These steps cannot be completed in one step, requiring multiple operations, which increases the frothing time and reduces the efficiency. Furthermore, the fixed, exposed steam pipe takes up extra space when not in use and is poorly integrated with the overall design of the coffee machine, affecting the product's aesthetics. Summary of the Invention
[0004] The object of the present invention is to provide a manual automatic milk frothing assembly for a coffee machine to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a manual automatic milk frothing assembly for a coffee machine, comprising:
[0006] a steam pipe, wherein the steam pipe is provided with a handle;
[0007] A steam pipe fixing seat, wherein the steam pipe fixing seat is provided with a placement groove, one end of the steam pipe is arranged in the placement groove, and the steam pipe fixing seat is provided with a rack;
[0008] a damping gear, the damping gear being meshed with the rack;
[0009] A locking assembly is provided on the steam pipe fixing seat, and is used to fix the steam pipe fixing seat when the steam pipe is retracted to a set position.
[0010] Preferably, the steam pipe includes an inner pipe, an upper pipe and a lower pipe, a handle is provided between the upper pipe and the lower pipe, and the inner pipe is provided inside the upper pipe and the lower pipe.
[0011] Preferably, the steam pipe fixing seat is arc-shaped as a whole, and the rack is arranged on one side of the bottom end of the steam pipe fixing seat.
[0012] Preferably, the upper tube is arc-shaped, the curvature of which is equal to the curvature of the steam pipe fixing seat, and one end of the upper tube is arranged in the placement groove.
[0013] Preferably, a gear mounting plate is provided on the outer side of the damping gear, and the gear mounting plate is provided with a screw hole.
[0014] Preferably, it further comprises a steam pipe gland and a steam pipe bracket, wherein the steam pipe gland is connected to the steam pipe bracket, and the steam pipe fixing seat is arranged in the steam pipe gland.
[0015] Preferably, the locking assembly includes a buckle body and a hook, one end of the buckle body is provided with an elastic slot, and the hook is movably connected to the slot.
[0016] Preferably, a buckle mounting groove is provided at the upper end of the steam pipe gland, and the buckle body is arranged in the buckle mounting groove.
[0017] Preferably, the steam pipe gland is further provided with a hook notch and a slot notch, a rocker switch is provided on the upper side of the hook notch, and the hook is in movably contact with the rocker switch.
[0018] Preferably, a steam nozzle is provided at the bottom end of the lower tube, and the steam nozzle is threadedly connected to the lower tube.
[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the steam pipe manual control assembly for the coffee machine provided by the present invention can manually extend or retract the steam pipe through the handle, and cooperate with the pressure plate skip switch to start the milk frothing work at the same time as the steam pipe is extended, and it can be operated with one hand at a time, making milk frothing simple and efficient; when not in use, the steam pipe can be retracted into the interior of the coffee machine, saving space and improving the aesthetics; the damping gear and the rack are engaged so that the steam pipe can stay stably in any position, which is convenient for operation; the locking assembly fixes the steam pipe fixing seat when it is retracted to the set position, thereby enhancing the structural stability and improving the convenience and practicality of using the capsule coffee machine as a whole. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the present invention;
[0021] Figure 2 This is a schematic diagram of the fixed axis structure of the steam pipe of the present invention;
[0022] Figure 3 Schematic diagram of the damping gear structure of the present invention;
[0023] Figure 4 This is a schematic diagram of the steam pipeline structure of the present invention;
[0024] Figure 5 This is a structural diagram of the steam pipe gland of the present invention;
[0025] Figure 6 This is a schematic structural diagram of the steam pipe support of the present invention;
[0026] Figure 7 This is a diagram showing the connection between the present invention and a capsule coffee machine.
[0027] In the figure: 1. Steam pipe; 11. Inner pipe; 12. Upper pipe; 13. Lower pipe; 14. Steam nozzle; 15. Threaded pipe; 2. Steam pipe fixing seat; 21. Placement groove; 22. Rack; 3. Damping gear; 21. Gear mounting plate; 4. Locking assembly; 41. Buckle body; 42. Hook; 43. Slot; 5. Handle; 6. Steam pipe gland; 61. Buckle mounting slot; 62. Hook notch; 63. Slot notch; 64. Rocker switch; 7. Steam pipe bracket; 71. Air pump; 72. Valve. DETAILED DESCRIPTION
[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0029] See also Figures 1 to 7 The present invention provides a technical solution for a manual automatic milk frothing component for a coffee machine, comprising a steam pipe 1, a steam pipe fixing seat 2, a damping gear 3 and a locking assembly 4. A handle 5 is provided on the steam pipe 1. The present invention is used for a capsule coffee machine, and is used for heating and frothing milk in the capsule coffee machine. The steam pipe 1 is fixed on the steam pipe fixing seat 2, and one end of the steam pipe 1 extends out of the front cover of the coffee machine, and a part of the steam pipe 1 can be pulled out or retracted into the coffee machine body by the handle 5. Compared with traditional steam pipes, the steam pipe of the present invention can be stretched and retracted to adapt to milk tanks of different heights, and can be retracted when not in use, which saves space and is beautiful.
[0030] In an embodiment of the present invention, the steam pipe fixing seat 2 is provided with a placement groove 21, and one end of the steam pipe 1 is arranged in the placement groove 21. Specifically, the end of the steam pipe 1 located in the placement groove 21 is fixedly connected to the placement groove 21, and when the steam pipe fixing shaft 2 moves, the steam pipe 1 is driven to move.
[0031] In this embodiment of the present invention, the steam pipe holder 2 is specifically movable within the capsule coffee machine. Furthermore, the steam pipe holder 2 is provided with a rack 22, located on one side of the lower end of the steam pipe holder 2. A damping gear 3 is located on one side of the steam pipe holder 2 where the rack 22 is provided and meshes with the rack 22. This damping gear 3 allows the steam pipe 1 to be positioned at any desired position.
[0032] In an embodiment of the present invention, a locking assembly 4 is provided on the steam pipe fixing seat 2. The locking assembly 4 is used to fix the steam pipe fixing seat 2 when the steam pipe 1 is retracted to a set position. The locking assembly 4 includes a buckle body 41 and a hook 42. An elastic slot 43 is provided at one end of the buckle body 41, and the hook 42 is movably connected to the slot 43. Specifically, the buckle body 41 is provided in the inner cavity of the capsule coffee machine, and the end without the slot 43 is connected to the inner cavity of the capsule coffee machine. The hook 42 is provided at the upper end of the steam pipe fixing seat 2, and the specific position is, for example, provided at the upper end of the side wall of the placement groove 21, with the connection portion of the buckle 42 facing the slot 43. When the damping gear 3 rolls and is located at the front end of the steam pipe fixing seat 2, the hook 42 is engaged with the slot 43, and the position of the steam pipe fixing seat 2 remains fixed.
[0033] In this embodiment of the present invention, the steam pipe 1 includes an inner tube 11, an upper tube 12, and a lower tube 13. A handle 5 is provided between the upper and lower tubes 12, 13. The inner tube 11 is disposed within the upper and lower tubes 12, 13. The inner tube 11 is a Teflon tube. The lower tube 13 is provided with a steam nozzle 14 at its bottom end, and the inner tube 11 is connected to the steam nozzle 14. Specifically, one end of the lower tube 13 is provided with a threaded tube 15, onto which the handle 5 is sleeved. One end of the upper tube 12 is threadedly connected to the threaded tube 15. The steam nozzle 14 is threaded at its top end and is threadedly connected to the lower tube 13.
[0034] In the embodiment of the present invention, the steam pipe fixing seat 2 is arc-shaped as a whole, and the rack 22 is provided on one side of the bottom end of the steam pipe fixing seat 2 .
[0035] In the embodiment of the present invention, the upper tube 12 is arc-shaped, and its curvature is equal to that of the steam pipe fixing base 2. One end of the upper tube 12 is disposed in the placement groove 21. When the steam pipe fixing base 2 moves outward, the steam nozzle 14 of the steam pipe 1 can be moved downward to facilitate insertion into the milk tank.
[0036] In the embodiment of the present invention, a gear mounting plate 31 is provided on the outer side of the damping gear 3, and the gear mounting plate 31 is provided with screw holes, so as to facilitate fixing the damping gear 3 to other structures.
[0037] In an embodiment of the present invention, a steam pipe gland 6 and a steam pipe support 7 are further included. The steam pipe gland 6 is connected to the steam pipe support 7, and the steam pipe fixing seat 2 is disposed within the steam pipe gland 6. A curved slide 64, also compatible with the steam pipe fixing seat, is disposed within the steam pipe gland 6. The steam pipe fixing seat 2 is slidably connected to the slide groove. The damping gear 3 is mounted on one side of the steam pipe gland 6 via a gear mounting plate 31. A clip mounting groove 61 is disposed at the upper end of the steam pipe gland 6, and the clip body 41 is disposed within the clip mounting groove 61. The steam pipe support 7 is mounted within the capsule coffee machine. An air pump 71 and a valve 72 are mounted on the steam pipe support 7. The valve 72 is used to control the gas in the steam pipe 1, and the air pump 72 is used to supply air to the steam pipe 1. The steam pipe gland 6 also has a hook notch 62 and a slot notch 63. A rocker switch 64 is disposed above the hook notch 62, and the hook 42 is in active contact with the rocker switch 64. Rocker switch 64 is connected to air pump 71 and valve 72 via the coffee machine's built-in control program. When hook 42 touches rocker switch 64, the control program controls air pump 71 and valve 72 to cause steam pipe 1 to begin delivering steam. The control program of this application can be implemented using a PLC (programmable logic controller), wherein the PLC model can be a conventional model in the field (such as the Siemens S7-1200 series). Its input module is used to receive the trigger signal of the rocker switch, and its output module is used to drive the air pump contactor and valve solenoid valve. The hardware connection method and basic I / O drive logic of the PLC are routine operations for those skilled in the art and do not constitute improvements in this application.
[0038] The present invention works as follows: the operator holds the handle 5 and pulls downward on the steam pipe 1. As the steam pipe 1 slides outward, it moves the steam pipe holder 2. After moving a certain distance, the hook 42 contacts the skip switch 64, and the steam pipe 1 automatically begins to spray steam to froth milk. When the steam pipe 1 is finished, the operator pulls up on the handle 5, engaging the hook 42 with the buckle body 41, and the steam pipe 1 returns to its original position. This entire process requires only one hand, improving milk frothing efficiency.
[0039] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A manual automatic milk frothing component for a coffee machine, characterized in that: include: a steam pipe, wherein the steam pipe is provided with a handle; A steam pipe fixing seat, wherein the steam pipe fixing seat is provided with a placement groove, one end of the steam pipe is arranged in the placement groove, and the steam pipe fixing seat is provided with a rack; a damping gear, the damping gear being meshed with the rack; A locking assembly is provided on the steam pipe fixing seat, and is used to fix the steam pipe fixing seat when the steam pipe is retracted to a set position.
2. The manual automatic milk frothing assembly for a coffee machine according to claim 1, characterized in that: The steam pipe comprises an inner pipe, an upper pipe and a lower pipe, a handle is provided between the upper pipe and the lower pipe, and the inner pipe is provided inside the upper pipe and the lower pipe.
3. The manual automatic milk frothing assembly for a coffee machine according to claim 2, characterized in that: The steam pipe fixing seat is arc-shaped as a whole, and the rack is arranged on one side of the bottom end of the steam pipe fixing seat.
4. The manual automatic milk frothing assembly for a coffee machine according to claim 3, characterized in that: The upper tube is in an arc shape, the curvature of which is equal to the curvature of the steam pipe fixing seat, and one end of the upper tube is arranged in the placement groove.
5. The manual automatic milk frothing assembly for a coffee machine according to claim 5, characterized in that: A gear mounting plate is provided on the outer side of the damping gear, and the gear mounting plate is provided with screw holes.
6. The manual automatic milk frothing assembly for a coffee machine according to claim 5, characterized in that: It also includes a steam pipe gland and a steam pipe bracket. The steam pipe gland is connected to the steam pipe bracket, and the steam pipe fixing seat is arranged in the steam pipe gland.
7. The manual automatic milk frothing assembly for a coffee machine according to claim 6, characterized in that: The locking assembly includes a buckle body and a hook. One end of the buckle body is provided with an elastic slot, and the hook is movably connected to the slot.
8. The manual automatic milk frothing assembly for a coffee machine according to claim 7, characterized in that: A buckle mounting groove is provided at the upper end of the steam pipe gland, and the buckle body is arranged in the buckle mounting groove.
9. The manual automatic milk frothing assembly for a coffee machine according to claim 8, characterized in that: The steam pipe gland is further provided with a hook notch and a slot notch, a rocker switch is provided on the upper side of the hook notch, and the hook is in movably contact with the rocker switch.
10. The manual automatic milk frothing assembly for a coffee machine according to claim 9, characterized in that: A steam nozzle is provided at the bottom end of the lower tube, and the steam nozzle is threadedly connected to the lower tube.