Ultraviolet sterilization structure and coffee machine with same

Abstract

The utility model relates to the technical field of coffee machines and sterilization devices thereof, in particular to an ultraviolet sterilization structure and a coffee machine with the sterilization structure.The ultraviolet sterilization structure comprises a stirring cup and an ultraviolet sterilization device, the ultraviolet sterilization device comprises a sealing barrel and an ultraviolet assembly, and the ultraviolet assembly comprises a fixing ring and an ultraviolet lamp upper cover. An ultraviolet lamp is arranged on the inner top wall of the ultraviolet lamp upper cover, a transparent glass sheet and a sealing ring are arranged in the ultraviolet lamp upper cover, a water receiving pipe is arranged on the side wall of the stirring cup, a plurality of powder inlet nozzles are formed in the side wall of the sealing barrel, and the coffee machine with the sterilization structure has the advantages that the stirring cup, the sealing barrel and the ultraviolet lamp upper cover are arranged in a sealed mode; dust accumulation is prevented, ultraviolet light cannot be scattered out of the sterilization structure, and harm to the human body is avoided; when water and powder are stirred, the water and the powder can be sterilized, so that the stirring and the sterilization are simultaneously realized, and the sterilization effect is relatively good.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines and sterilization devices thereof, in particular to an ultraviolet sterilization structure and a coffee machine with the sterilization structure. Background Art

[0002] In traditional coffee machines or other beverage machines, water and powder are mixed together and stirred to make a drink. There is no device to sterilize the water and powder during the stirring process. After long-term use, the stirring cup in the machine will inevitably breed bacteria; secondly, the stirring cup is usually an open structure. When water and powder are stirred, they are easy to fly out of the stirring cup. Dust is easy to accumulate after long-term operation, which is unhygienic; if an ultraviolet sterilization lamp is installed in the coffee machine, the ultraviolet rays are scattered, the sterilization effect is poor, and it is easy to accidentally hurt the eyes if it is not sealed.

[0003] Patent CN200720112957.0 discloses a coffee machine, including a shell, a material box for containing powder is arranged in the shell, the material box has a powder outlet, a stirring cup is arranged below the powder outlet, the lower end of the stirring cup is a beverage outlet, a water tank is also arranged in the shell, the water tank is connected to a water pump through a pipeline, a water inlet solenoid valve is arranged on the pipeline between the water pump and the water tank; the water tank is connected to a hot tank through a pipeline, the hot tank is connected to the stirring cup through a hot water outlet pipe, a hot water outlet solenoid valve is arranged on the hot water outlet pipe, the patented coffee machine adopts a sterilization device, and the stirring cup is sealed, which is easy to accumulate dust.

[0004] Therefore, it is necessary to design a sterilization structure that can sterilize water and powder while stirring, and is sealed to prevent ultraviolet scattering and dust accumulation. Utility Model Content

[0005] In order to solve the problems existing in the prior art, the utility model provides an ultraviolet sterilization structure and a coffee machine with the sterilization structure, so as to solve the sealing and sterilization problems.

[0006] To solve the above problems, the technical solution of the utility model is as follows:

[0007] A UV sterilization structure is used for sterilizing water and powder in a coffee machine. The coffee machine is provided with a water tank for supplying water and a powder box for supplying powder, and comprises a stirring cup connected to the water tank, the stirring cup is connected to a UV sterilization device, the UV sterilization device comprises a sealed barrel connected to the powder box, a UV component is connected to the sealed barrel, and the sealed barrel is in communication with the powder box.

[0008] Furthermore, the ultraviolet component includes a fixing ring fixedly connected to the sealing barrel, and an ultraviolet lamp cover adapted to the fixing ring, and an ultraviolet lamp is arranged on the inner top wall of the ultraviolet lamp cover.

[0009] Furthermore, a transparent glass sheet is arranged inside the upper cover of the ultraviolet lamp to separate the ultraviolet lamp from the water and powder in the stirring cup.

[0010] Furthermore, a sealing ring is provided between the ultraviolet lamp and the transparent glass sheet for sealing.

[0011] Furthermore, the fixing ring is connected to the upper cover of the ultraviolet lamp by plugging or threading.

[0012] Furthermore, a water receiving pipe is provided on the side wall of the mixing cup, and the water receiving pipe is connected to the water tank.

[0013] Furthermore, a plurality of powder inlets connected to the powder box are provided on the side wall of the sealing barrel.

[0014] Furthermore, the mixing cup, the sealing barrel and the upper cover of the ultraviolet lamp are made of opaque materials.

[0015] A coffee machine with an ultraviolet sterilization structure adopts the above-mentioned ultraviolet sterilization structure, including a shell, a plurality of powder boxes are arranged on the shell, a water tank is arranged in the shell, and a heating mechanism is arranged in the water tank, the powder box is connected to a feeding mechanism for providing powder to the ultraviolet sterilization structure, the water receiving pipe is connected to a water pump for providing water to the ultraviolet sterilization structure, and the stirring cup is connected to a coffee outlet.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the mixing cup, the sealing barrel and the upper cover of the ultraviolet lamp are sealed to prevent dust accumulation and be more hygienic; the ultraviolet light will not be scattered by the sterilization structure and will not cause harm to the human body; water and powder can be sterilized while being mixed, achieving sterilization while stirring, with better sterilization effect and safer drinking; a transparent glass sheet is provided to separate the upper cover of the ultraviolet lamp from the mixing cup to prevent water and powder from splashing onto the ultraviolet lamp and affecting the sterilization effect; it can be applied to coffee machines as well as other powder mixing machines, with a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the ultraviolet sterilization structure of the utility model;

[0018] Figure 2 This is an exploded view of the ultraviolet sterilization device of the utility model;

[0019] Figure 3 This is a schematic diagram of the utility model being installed in a coffee machine;

[0020] Figure 4 This is a front view schematic diagram of the utility model installed in a coffee machine.

[0021] Explanation of reference numerals: 1 powder box, 2 mixing cup, 21 water connecting pipe, 3 sealing barrel, 31 powder inlet nozzle, 4 fixing ring, 5 UV lamp cover, 6 transparent glass sheet, 7 sealing ring, 8 wiring, 9 shell. DETAILED DESCRIPTION

[0022] Embodiment 1

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a UV sterilization structure is provided in the coffee machine, a water tank for supplying water and a powder box 1 for providing powder, the UV sterilization structure includes a stirring cup 2, a water receiving pipe 21 is provided on the side wall of the stirring cup 2, the water receiving pipe 21 is connected to the water tank, a stirring blade is provided at the bottom of the stirring cup 2, the stirring blade is the prior art and will not be described in detail, the stirring cup 2 is connected to the UV sterilization device, the UV sterilization device includes a sealing barrel 3 connected to the powder box 1, a UV component is connected to the sealing barrel 3, the sealing barrel 3 is connected to the powder box 1, and a plurality of powder inlets 31 connected to the powder box 1 are provided on the side wall of the sealing barrel 3.

[0024] The ultraviolet component includes a fixing ring 4 fixedly connected to the sealing barrel 3, and an ultraviolet lamp cover 5 adapted to the fixing ring 4. The fixing ring 4 and the ultraviolet lamp cover 5 can be connected by plugging or threading, which is convenient for disassembling the ultraviolet lamp cover 5 and cleaning the transparent glass sheet 6. An ultraviolet lamp is provided on the inner top wall of the ultraviolet lamp cover 5, and the wiring 8 of the ultraviolet lamp passes through the top wall of the ultraviolet lamp cover 5 to complete the power connection.

[0025] A transparent glass sheet 6 is provided inside the UV lamp cover 5 to separate the UV lamp from water and powder in the mixing cup 2. The transparent glass sheet 6 separates the UV lamp cover 5, the mixing cup 2 and the sealing barrel 3 into two independent cavities to prevent water and powder from splashing onto the UV lamp and affecting the sterilization effect. A sealing ring 7 is provided between the UV lamp and the transparent glass sheet 6 to further prevent ultraviolet light scattering.

[0026] The mixing cup 2, the sealing barrel 3 and the UV lamp cover 5 are made of opaque materials, such as food-grade materials such as ABS plastic.

[0027] The coffee machine with the ultraviolet sterilization structure includes a shell 9, a plurality of powder boxes 1 are arranged on the shell 9, a water tank is arranged in the shell 9, a heating mechanism is arranged in the water tank, the heating mechanism is the existing technology and will not be repeated here, the powder box 1 is connected to a feeding mechanism for providing powder to the ultraviolet sterilization structure, the feeding mechanism can adopt existing structures such as a feeding wheel and a feeding screw, which will not be repeated here, the water receiving pipe 21 is connected to a water pump for providing water to the ultraviolet sterilization structure, and the stirring cup 2 is connected to a coffee outlet.

[0028] When in use, the powder enters the sealed barrel 3 from the powder box 1 through the powder inlet 31, and water enters the mixing cup 2 from the water tank. During the feeding and mixing process, the ultraviolet lamp will irradiate the material to achieve sterilization while stirring. The sterilization time is longer and the beverage is more hygienic. The water receiving pipe 21 is arranged on the side wall of the mixing cup 2. The water will fall along the vortex of the side wall of the mixing cup 2 when it enters, and mix with the powder at the same time, and then fall to the bottom of the mixing cup 2 to be fully stirred by the stirring blades, and finally flow out of the mixing cup 2.

[0029] Embodiment 2

[0030] The present embodiment is different from the first embodiment in that the fixing ring 4 is not provided, and the upper cover 5 of the ultraviolet lamp is directly connected to the sealing barrel 3, or a plug-in or threaded connection method may be adopted.

[0031] The above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An ultraviolet sterilization structure, which is used for sterilizing water and powder in a coffee machine, wherein a water tank for supplying water and a powder box for supplying powder are provided in the coffee machine, and wherein: It comprises a stirring cup connected to a water tank, wherein the stirring cup is connected to an ultraviolet sterilization device, wherein the ultraviolet sterilization device comprises a sealing barrel connected to a powder box, an ultraviolet component is connected to the sealing barrel, and the sealing barrel is in communication with the powder box.

2. The ultraviolet sterilization structure according to claim 1, characterized in that: The ultraviolet component comprises a fixing ring fixedly connected to the sealing barrel and an ultraviolet lamp upper cover matched with the fixing ring, and an ultraviolet lamp is arranged on the inner top wall of the ultraviolet lamp upper cover.

3. The ultraviolet sterilization structure according to claim 2, characterized in that: A transparent glass sheet is arranged inside the upper cover of the ultraviolet lamp to separate the ultraviolet lamp from the water and powder in the stirring cup.

4. The ultraviolet sterilization structure according to claim 3, characterized in that: A sealing ring for sealing is arranged between the ultraviolet lamp and the transparent glass sheet.

5. The ultraviolet sterilization structure according to claim 4, characterized in that: The fixing ring is connected to the upper cover of the ultraviolet lamp by plugging or threading.

6. The ultraviolet sterilization structure according to claim 1, characterized in that: The side wall of the mixing cup is provided with a water receiving pipe, and the water receiving pipe is connected to the water tank.

7. The ultraviolet sterilization structure according to claim 1, characterized in that: A plurality of powder inlets connected to the powder box are arranged on the side wall of the sealing barrel.

8. The ultraviolet sterilization structure according to claim 2, characterized in that: The mixing cup, the sealing barrel and the upper cover of the ultraviolet lamp are made of opaque materials.

9. A coffee machine with an ultraviolet sterilization structure, adopting the ultraviolet sterilization structure according to any one of claims 1 to 8, characterized in that: It includes a shell, a plurality of powder boxes are arranged on the shell, a water tank is arranged in the shell, a heating mechanism is arranged in the water tank, the powder box is connected to a feeding mechanism for providing powder to the ultraviolet sterilization structure, the water receiving pipe is connected to a water pump for providing water to the ultraviolet sterilization structure, and the stirring cup is connected to a coffee outlet.

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