A universal tea extractor for coffee machines

Abstract

This utility model discloses a universal tea extractor for coffee machines, including a tea extractor body. A powder adjustment layer is installed inside the tea extractor body. An opening at the lower end of the tea extractor body connects to the lower end of the powder adjustment layer. A rubber sealing ring is installed along the upper edge of the outer ring of the powder adjustment layer. This utility model allows the tea extractor to be installed as an independent device on the bottomless handle of various sizes of semi-automatic espresso machines. Compared to traditional tea extractor handles, it achieves lightweighting and universality, lowering the threshold and difficulty of extracting tea beverages with semi-automatic espresso machines. It breaks down design barriers, achieving multi-purpose functionality, integrating Italian coffee culture with Chinese tea culture, and promoting industry development and progress. The tea extractor can extract whole tea leaves, tea powder, tea bags, and even granular materials such as dried fruit pieces and dried flowers. It can adjust the powder amount and extraction pressure according to the characteristics of the raw materials. With its comprehensive functions, strong practicality, and high playability, it is the first choice for espresso machine enthusiasts to expand the functionality of their coffee machines.

Description

Technical Field

[0001] This utility model relates to the technical field of Italian semi-automatic coffee machines, specifically a universal tea extractor for coffee machines. Background Technology

[0002] Italian semi-automatic coffee machines originated in Europe and America, and have gradually emerged in the Chinese consumer market in recent years, with their popularity in Chinese households increasing day by day.

[0003] Tea is a traditional Chinese beverage and one of the world's three major beverages, along with cocoa and coffee, is a popular drink worldwide.

[0004] Currently, the tea extraction device used in semi-automatic espresso machines is the tea extractor portafilter. Its structure is limited by factors such as the coffee machine's brew head mount and machine type, which has prevented its widespread adoption. Furthermore, there are currently no effective adapters available on the market, which greatly restricts the function of espresso machines in extracting tea-based beverages.

[0005] Therefore, a universal tea extractor bowl for coffee machines is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a universal tea extractor bowl for coffee machines, so as to solve the problem mentioned in the background art that the tea extractor used in espresso semi-automatic coffee machines is not compatible with semi-automatic coffee machines of different manufacturers, different mechanical structures and different types.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a universal tea extractor for coffee machines, comprising a tea extractor body, a tea powder adjustment layer installed inside the tea extractor body, an opening at the lower end of the tea extractor body connecting to the lower end of the tea powder adjustment layer, a rubber sealing ring installed on the upper edge of the outer ring of the tea powder adjustment layer, and an elastic metal retaining spring provided inside the tea powder adjustment layer, with a metal water distribution mesh engaged on the metal retaining spring.

[0008] Preferably, the lower outer surface of the powder bowl body is screwed to the upper end of the valve port, the valve port is screwed to the pressure adjusting screw, the upper edge of the pressure adjusting screw is abutted to the pressure adjusting spring, the upper end of the pressure adjusting spring is sleeved with a sealing plug seat, the sealing plug seat is provided with a sealing plug, and the upper end of the sealing plug is in contact with the lower edge of the powder bowl body when the powder bowl body and the valve port are connected.

[0009] Preferably, the powder quantity adjustment layer has a through hole at its radial center, and a screwdriver slot is provided at the upper end of the hole for turning the powder quantity adjustment layer to adjust the powder quantity.

[0010] Preferably, the inner diameter of the powder bowl is set to 58.5 mm, and the height of the powder bowl body is set to 39 mm.

[0011] Preferably, the metal water separator has a plurality of filter holes with a hole diameter of 0.2 mm or 0.5 mm, which can be adjusted and replaced according to the differences in the extracted substances.

[0012] Preferably, the pressure adjusting screw has a vertical hexagonal through hole, which can be turned with a standard-sized hexagonal wrench to adjust the extraction pressure.

[0013] Preferably, the pressure adjustment range of the pressure regulating spring is designed to be 0-12 bar.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) In this utility model, the tea powder bowl is installed as an independent device on the bottomless handle of Italian semi-automatic coffee machines of different specifications. Compared with the traditional tea extraction handle, it is lightweight and universal, which reduces the threshold and difficulty of extracting tea beverages in Italian semi-automatic coffee machines, breaks the design barrier, realizes one machine for multiple uses, integrates Italian coffee culture with Chinese tea culture, and promotes the development and progress of the industry.

[0016] (2) This utility model, the tea powder extraction bowl can extract tea leaves, tea powder, tea bags, and can also extract granular raw materials such as candied fruit pieces and dried flowers. It can adjust the amount of powder and extraction pressure according to the characteristics of the raw materials. It has complete functions, strong practicality and high playability, and is the first choice for Italian coffee machine lovers to expand the functions of their coffee machines. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a cross-sectional front view of the connection structure between the powder bowl body and the valve port of this utility model;

[0019] Figure 3 This is a side view of the cross-sectional connection structure of the powder bowl body and the valve port of this utility model.

[0020] Figure 4 This is a front view of the unfolded structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the connection structure of the powder bowl body, pressure adjusting screw and valve port of this utility model;

[0022] Figure 6 This is a schematic diagram of the connection structure of the metal water distribution mesh, powder bowl body and valve port of this utility model;

[0023] In the diagram: 1. Metal water distribution mesh; 2. Metal snap ring; 3. Rubber sealing ring; 4. Powder quantity adjustment layer; 5. Powder bowl body; 6. Sealing plug; 7. Sealing plug seat; 8. Pressure adjusting spring; 9. Pressure adjusting screw; 10. Valve port. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example: Please refer to Figure 1-6 This utility model provides a technical solution: a universal tea extractor for coffee machines, including a tea extractor body 5 with an inner diameter of 58.5mm and a height of 39mm. A tea powder adjustment layer 4 is installed inside the tea extractor body 5. The tea powder adjustment layer 4 has a through hole at its radial center, and a screwdriver slot at the upper end of the hole for adjusting the tea powder level. A hole at the lower end of the tea extractor body 5 connects to the lower end of the tea powder adjustment layer 4. A rubber sealing ring 3 is installed along the upper edge of the outer ring of the tea powder adjustment layer 4. An elastic metal spring 2 is provided inside the tea powder adjustment layer 4, and a metal water distribution mesh 1 is engaged with the metal spring 2. The metal water separator 1 has several filter holes with diameters of 0.2mm and 0.5mm, which can be adjusted and replaced according to the differences in the extracted substances. The powder bowl body 5 consists of two parts: the powder bowl body 5 and the pressure regulating device. The powder bowl body 5 is made of stainless steel and has a through hole at the bottom. The powder quantity adjustment layer 4 is connected to the hole by a thread. The amount of tea powder can be adjusted by turning the mechanism with a flathead screwdriver. The powder quantity adjustment layer 4 contains the metal water separator 1, the metal retaining ring 2, and the sealing ring 3, which seals against water and separates tea leaves. The inner diameter of the powder bowl body 5 can also be set to 54.5mm, and the height of the powder bowl body 5 is set to 36mm.

[0026] Furthermore, the lower outer surface of the powder bowl body 5 is screwed onto the upper end of the valve port 10. The valve port 10 is screwed onto a pressure adjusting screw 9. The pressure adjusting screw 9 has a vertically oriented hexagonal through hole, allowing adjustment of the extraction pressure using a standard-sized hexagonal wrench. A pressure adjusting spring 8 is abutted to the upper edge of the pressure adjusting screw 9. The pressure adjusting spring 8 has a pressure adjustment range of 0-12 bar. A sealing plug seat 7 is fitted onto the upper end of the pressure adjusting spring 8. A sealing plug 6 is located inside the sealing plug seat 7. The upper end of the sealing plug 6 contacts the lower edge of the powder bowl body 5 when the powder bowl body 5 is connected to the valve port 10. The bottom pressure adjusting device is connected to the powder bowl body 5 via threads. The device includes a metal tubular structure with a wrench holder and internal threads for the valve port 10, a food-grade rubber sealing plug 6, a sealing plug seat 7, a pressure adjusting spring 8, and a pressure adjusting screw 9 with a through hole and hexagonal hole. The stopper 6 is embedded in the sealing plug seat 7 at the lower edge of the portafilter body 5. The pressure adjusting spring 8 connects the lower end of the sealing plug seat 7 to the upper end of the pressure adjusting screw 9. The pressure adjusting screw 9 is connected to the valve port 10 through threads. The pressure adjusting screw 9 is turned with an Allen wrench to change the pressure of the pressure adjusting spring 8. Before extraction, the portafilter and the bottomless handle are assembled and screwed into the coffee machine brewing head. The coffee machine is used for extraction. The valve port 10 is fixed with a wrench, and the pressure adjusting screw 9 is turned at the same time. The pressure required for extraction is adjusted by observing the change of the pressure gauge of the coffee machine. During extraction, the water flows out from the bottom through hole of the portafilter. The extraction pressure of the coffee machine presses down the pressure adjusting spring 8, so that the water flows through the inner cavity of the valve port 10 and flows out from the through hole of the pressure adjusting screw 9 to complete the extraction. Waterproof sealing rings are provided at the threaded connection of the upper and lower ends of the valve port 10 to increase the sealing effect during use.

[0027] The working principle is as follows: The bottom of the powder bowl body 5 has a through hole, and the powder quantity adjustment layer 4 is connected to the hole by a thread. The amount of tea powder can be adjusted by turning the mechanism with a flathead screwdriver. The powder quantity adjustment layer 4 contains a metal water separator 1, a metal retaining spring 2, and a sealing ring 3, which seals against water and separates tea leaves. The bottom pressure regulating device is connected to the powder bowl body 5 by a thread and includes a valve port 10, which is a metal tubular structure with a wrench holder and internal threads, a sealing plug 6 made of food-grade rubber, a sealing plug seat 7, a pressure regulating spring 8, and a pressure regulating screw 9 with a through hole and an internal hexagonal hole. The sealing plug 6 is embedded in the lower edge of the powder bowl body 5. The pressure regulating spring 8 is connected to the lower end of the sealing plug 7 and the upper end of the pressure regulating screw 9 in the sealing plug seat 7. The pressure regulating screw 9 is connected to the valve port 10 through a thread. The pressure regulating screw 9 is turned with an Allen wrench to change the pressure of the pressure regulating spring 8. Before extraction, the coffee machine is used to release water, the valve port 10 is fixed with a wrench, and the pressure regulating screw 9 is turned at the same time. The pressure required for extraction is adjusted by observing the change of the pressure gauge of the coffee machine. During extraction, the water flows out from the bottom through hole of the port 5. The extraction pressure of the coffee machine presses down the pressure regulating spring 8, so that the water flows through the inner cavity of the valve port 10 and flows out from the through hole of the pressure regulating screw 9 to complete the extraction.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A universal tea extractor for coffee machines, characterized in that: Includes a powder bowl body (5), a powder amount adjustment layer (4) is installed inside the powder bowl body (5), the lower end of the powder bowl body (5) is opened to connect to the lower end of the powder amount adjustment layer (4), a rubber sealing ring (3) is installed on the upper edge of the outer ring of the powder amount adjustment layer (4), and an elastic metal retaining spring (2) is provided inside the powder amount adjustment layer (4), and a metal water distribution mesh (1) is snapped onto the metal retaining spring (2).

2. The universal tea extractor bowl for coffee machines according to claim 1, characterized in that: The lower outer surface of the powder bowl body (5) is screwed to the upper end of the valve port (10). The valve port (10) is screwed with a pressure adjusting screw (9). The upper edge of the pressure adjusting screw (9) is abutted by a pressure adjusting spring (8). The upper end of the pressure adjusting spring (8) is sleeved with a sealing plug seat (7). A sealing plug (6) is provided inside the sealing plug seat (7). The upper end of the sealing plug (6) is in contact with the lower edge of the powder bowl body (5) when the powder bowl body (5) is connected to the valve port (10).

3. The universal tea extractor bowl for coffee machines according to claim 1, characterized in that: The powder quantity adjustment layer (4) has a through hole in the radial center, and a screwdriver slot is provided at the upper end of the hole for turning the powder quantity adjustment layer to adjust the powder quantity.

4. A universal tea extractor for coffee machines according to claim 1, characterized in that: The inner diameter of the powder bowl body (5) is set to 58.5 mm, and the height of the powder bowl body (5) is set to 39 mm.

5. A universal tea extractor for coffee machines according to claim 1, characterized in that: The metal water separator (1) has several filter holes with diameters of 0.2 mm and 0.5 mm, which can be adjusted and replaced according to the differences in the extracted substances.

6. A universal tea extractor for coffee machines according to claim 2, characterized in that: The pressure adjusting screw (9) has a vertical hexagonal through hole, which can be turned with a standard size hexagonal wrench to adjust the extraction pressure.

7. A universal tea extractor for coffee machines according to claim 2, characterized in that: The pressure adjustment range of the pressure regulating spring (8) is designed to be 0-12 bar.

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