COFFEE MACHINE SCREEN AND COFFEE MACHINE

• US 20180084939A1
• Filed: 11/27/2017
• Published: 03/29/2018
• Est. Priority Date: 09/29/2016
• Status: Active Grant

• Current Assignee: Guangdong Midea Consumer Electric Manufacturing Company Limited (Foshan Shunde District Tiantuo Investment Company Limited)
• Original Assignee: Guangdong Midea Consumer Electric Manufacturing Company Limited (Foshan Shunde District Tiantuo Investment Company Limited)
• Inventors: REN, Lizhong, KUANG, Jian
• Granted Patent: US 10,806,293 B2
• Time in Patent Office: Days
• CPC Class Codes: A47J 31/06 Filters or strainers for coffee or tea makers ; Holders therefor
• CPC Class Codes: A47J 31/42 Beverage-making apparatus with incorporated grinding or roasting means for coffee coffee mills A47J42/00; coffee roasters in general A23N12/08
• CPC Class Codes: A47J 31/4403 Constructional details

Abstract

The present invention discloses a coffee machine screen and a coffee machine. The coffee machine screen includes a first screen body arranged in a cylindrical shape extending upwardly and downwardly; and a second screen body arranged annularly, and an inner ring edge of the second screen body sealingly connected to a lower portion of the first screen body. The present invention can restrict the coffee particles from passing through the screen during the stirring of the coffee, thereby improving the quality of the coffee beverage.

Claims

1. A coffee machine screen, comprising:

a first screen body arranged in a cylindrical shape extending upwardly and downwardly; and

a second screen body arranged annularly, and an inner ring edge of the second screen body sealingly connected to a lower portion of the first screen body.

2. The coffee machine screen according to claim 1, wherein the first screen body and the second screen body are integrated to a whole.

3. The coffee machine screen according to claim 2, wherein a material of the first screen body is metallic, a material of the second screen body is plastic, and the second screen body is fixedly connected to the first screen body by injection molding.

4. The coffee machine screen according to claim 1, further comprising a fixed frame, and an axial upper end of the first screen body is fixedly connected to the fixed frame.

5. The coffee machine screen according to claim 4, wherein a material of the first screen body is metallic, a material of the fixed frame is plastic, and the fixed frame is fixedly connected to the first screen body by injection molding.

6. The coffee machine screen according to claim 1, wherein each filter pore of the second screen body comprises a straight pore section communicating with an upper surface of the second screen body and a cone pore section communicating with a lower surface of the second screen body, the cone pore section being gradually enlarged towards a direction away from the straight pore section.

7. The coffee machine screen according to claim 1, wherein a diameter of a filter pore of the second screen body on an upper surface thereof is in a range of 0.2 mm to 0.8 mm.

8. The coffee machine screen according to claim 1, wherein the second screen body extends obliquely downwardly or obliquely upwardly in a radially outward direction.

9. The coffee machine screen according to claim 1, wherein a plurality of hand clasping portions are provided on an inner peripheral surface of an upper portion of the screen.

10. The coffee machine screen according to claim 1, wherein the first screen body is gradually enlarged from bottom to top.

11. The coffee machine screen according to claim 1, wherein the first screen body comprises a reinforcing rib, the reinforcing rib at least comprising a reinforcing rib ring in a circumferential direction of the first screen body.

12. The coffee machine screen according to claim 1, wherein a lower end of the first screen body is closed.

13. A coffee machine, comprising:

a grinding chamber comprising a cavity and a cover, the cover enclosing the cavity to form a grinding cavity, a bottom of the grinding cavity being provided with a beverage outlet;

a grinding device comprising a grinding blade set provided in the grinding cavity, and a motor provided outside the grinding cavity for driving rotation of the grinding blade set;

a hot water supply device in communication with the grinding cavity; and

a coffee machine screen comprising a first screen body and a second screen body, the first screen body being arranged in a cylindrical shape extending upwardly and downwardly, the second screen body being arranged annularly, and an inner ring edge of the second screen body being sealingly connected to a lower portion of the first screen body;

the first screen body being sleeved at a periphery of the grinding blade set and a lower end of the first screen body being sealingly connected to the bottom of the grinding cavity;

an outer ring edge of the second screen body being sealingly connected to a side wall of the grinding cavity;

a region of the grinding cavity surrounded by the first screen body forming a primary filter cavity, the second screen body dividing another region of the grinding cavity into a secondary filter cavity above the second screen body and a beverage cavity below the second screen body, the beverage outlet being communicated with the beverage cavity.

14. The coffee machine according to claim 13, wherein the outer ring edge of the second screen body comprises a mounting flange extending downwardly or upwardly, an outer peripheral surface of the mounting flange being provided with a positioning ring groove for sleevedly positioning a sealing ring, the sealing ring abutting the side wall of the grinding cavity.

15. The coffee machine according to claim 14, wherein the mounting flange extends downwardly and a lower end of the mounting flange abuts a bottom wall of the grinding cavity.

16. The coffee machine according to claim 13, wherein the first screen body comprises a reinforcing rib, the reinforcing rib at least comprising a reinforcing rib ring in a circumferential direction of the first screen body, and the first screen body comprises an annular region radially corresponding to the grinding blade set, the reinforcing rib ring being provided in the annular region.

17. The coffee machine according to claim 13, wherein a bottom wall of the cavity is provided with a first boss, the lower end of the first screen body sealingly abutting an upper end face of the first boss, the second screen body being connected to the lower end of the first screen body, the secondary filter cavity being formed between the first screen body and a side wall of the cavity, the beverage cavity being formed between an outer peripheral surface of the first boss and the side wall of the cavity.

18. The coffee machine according to claim 17, wherein the upper end face of the first boss is provided with a second boss, the first screen body being sleeved at the second boss to be positioned in the grinding cavity.

19. The coffee machine according to claim 13, wherein the lower end of the first screen body abuts a bottom wall of the cavity, a distance being formed between the lower end of the first screen body and a junction between the second screen body and the first screen body, the secondary filter cavity being formed between a portion of the first screen body above the second screen body and a side wall of the cavity, the beverage cavity being formed between a portion of the first screen body below the second screen body and the side wall of the cavity.

20. The coffee machine according to claim 13, wherein an upper portion of the coffee machine screen is sealingly connected to the cover;

or the upper portion of the coffee machine screen is sealingly connected to the cavity, and the cavity is sealingly connected to the cover.