A brewing structure of a capsule coffee machine includes: a body which comprises a water tank and a capsule chamber, wherein a coffee outlet is provided at the capsule chamber; a capsule holder is provided in the capsule chamber; a pump and a heater is provided in the body; the body is hinged with a
A brewing structure of a capsule coffee machine includes: a body which comprises a water tank and a capsule chamber, wherein a coffee outlet is provided at the capsule chamber; a capsule holder is provided in the capsule chamber; a pump and a heater is provided in the body; the body is hinged with an upper lid; a top piercing mechanism is provided on the upper lid, wherein the top piercing mechanism includes a top piercing tube; a water returner is formed between the capsule holder and the capsule chamber; the capsule holder has a water passage; a bottom piercing mechanism is mounted inside the water passage; a safety valve is mounted inside the body, which is controlled by movements of the top piercing mechanism, for cutting off the brewing water when the upper lid is opened, so as to prevent splashing hot water.
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1. A brewing structure of a capsule coffee machine, comprising: a body (1) which comprises a water tank (1a) and a capsule chamber (1b), wherein a coffee outlet (1c ) is provided at a bottom center of the capsule chamber (1b); a capsule holder (2) for containing a coffee capsule (A) is provided in t
1. A brewing structure of a capsule coffee machine, comprising: a body (1) which comprises a water tank (1a) and a capsule chamber (1b), wherein a coffee outlet (1c ) is provided at a bottom center of the capsule chamber (1b); a capsule holder (2) for containing a coffee capsule (A) is provided in the capsule chamber (1b); a pump (3) is provided in the body (1) for transporting brewing water in the water tank (1a), and a heater (4) is provided in the body (1) for boiling the brewing water from the pump (3); the body (1) is hinged with an upper lid (14) corresponding to the capsule chamber (1b); a top piercing mechanism (5) is provided on the upper lid (14), wherein the top piercing mechanism (5) comprises a top piercing tube (55) for piercing a top portion of the coffee capsule (A) and outputting the brewing water; a water returner (K) communicating with the coffee outlet (1c) is formed between the capsule holder (2) and the capsule chamber (1b); a bottom center of the capsule holder (2) has a water passage (2a) coaxially communicating with the coffee outlet (1c); a bottom piercing mechanism (6), which comprises an elastic structure, for piercing a bottom portion of the coffee capsule (A) and outputting brewed coffee is mounted inside the water passage (2a); a safety valve (7) is mounted inside the body (1), which is controlled by movements of the top piercing mechanism (5), for cutting off the brewing water when the upper lid (14) is opened, so as to prevent splashing hot water; a coffee cup (B) corresponding to the body (1) is externally provided; the body (1) further comprises a computer board (8) for controlling the capsule coffee machine; a control panel (9) is mounted on a top face of the upper lid (14), which communicates with the computer board (8), wherein the control panel (9) comprises control buttons (91) in a touch form and a digital displayer (92) for displaying a working state and an output temperature of the brewing water. 2. The brewing structure, as recited in claim 1, wherein the body (1) further comprises an upper body (11), a lower body (12) and a lower lid (13) corresponding to each other; wherein the upper body (11) is formed by an upper frame (111) which is longitudinally placed and a brewing portion (112) which is placed at a front end face of a middle-top portion of the upper frame (111) and extends forwards; the water tank (1a) is formed by an inner chamber of the upper frame (111); the capsule chamber (1b) is formed by an inner chamber of the brewing portion (112); the lower body (12) is formed by a lower frame (121) which is placed at a top face of a longitudinal structure and installed on the upper body (11), and formed by a bottom holder (122) extending forwards at a bottom portion of the lower frame (121); the lower lid (13) is corresponding to a bottom opening of the bottom holder (122); the bottom holder (122) extending forwards forms a holder for placing the coffee cup (B); a chamber (C) is formed by the bottom holder (122) and the brewing portion (112) whose front end extends forwards, for containing the coffee cup (B). 3. The brewing structure, as recited in claim 2, wherein the top piercing mechanism (5) further comprises a piercing driving gland (51), a gland resetting spring (52), a piercing rotating frame (53) and a piercing tube fixing board (54) corresponding to each other; wherein the top piercing tube (55) passes through and mounted on the piercing tube fixing board (54); a rotary lever (531), which is hinged to the safety valve (7), is provided on the piercing rotating frame (53); a water inputting pusher (532) is mounted on the rotary lever (531), which is hollow and transports the brewing water; a silicone soft tube (R) is connected between the water inputting pusher (532) and the top piercing tube (55); a bar (141) is mounted on the upper lid (14), which drives the whole top piercing mechanism (5) to rotate with a rotating shaft formed by a hinge shaft of the rotary lever (531) and the safety valve (7) by pulling the piercing rotating frame (53); the water inputting pusher (532) pushes the safety valve (7) for activating a brewing water passage between the heater (4) and the water inputting pusher (532) while the upper lid (14) presses downwards for driving the top piercing mechanism to pierce through the top portion of the coffee capsule (A) and reaches a desired position by cooperating with the capsule chamber (1b). 4. The brewing structure, as recited in claim 3, wherein the safety valve (7) comprises a safety valve body (71) sealed and mounted on a top opening of the water tank (1a), and a safety valve cap (72) in the water tank (1a) for forming a valve chamber with the safety valve body (71); wherein a valve core is placed inside the valve chamber, which is pushed when the water inputting pusher (532) presses downwards, wherein the valve core comprises a movable rod (73), a movable rod sealing ring (74), and a movable rod spring (75) corresponding to each other; a safety valve sealing ring (76) is press-mounted between the safety valve body (71) and the safety valve cap (72); a water inlet (7a) and a water outlet (7b), both of which communicate with the valve chamber, are respectively provided on the safety valve body (71); the safety valve cap (72) has a water returning opening (7c) communicating with the valve chamber; a loop sealing ring (F) is mounted in a loop slot of the water outlet (7b) for preventing brewing water leakage when the water inputting pusher (532) presses downwards and communicates with the water outlet (7b); the water inlet (7a) is connected to an outlet of the heater (4) through a water inputting pipe (S); the water returning opening (7c) communicates with the water returner (K) through a water returning pipe (H). 5. The brewing structure, as recited in claim 4, wherein an upper portion and a lower portion of the movable rod (73) respectively cooperate with the water outlet (7b) and the water returning opening (7c) in a guiding-sliding form; the movable rod sealing ring (74) and the movable rod spring (75) are sleeved on the movable rod (73) in sequence; the water inputting pusher (532) cooperates with a top face of the movable rod (73) when pressing downwards; the movable rod sealing ring (74) seals the water returning opening (7c) when the movable rod (73) slides downwards for opening a passage between the water inlet (7a) and the water outlet (7b); a top sealing ring (731) is integrated on the movable rod (73), which seals the water outlet (7b) by the movable rod spring (75) for preventing splashing the hot water when the upper lid (14) drives the water inputting pusher (532) to detach from the movable rod (73) during opening; a connecting convex column (711) hinged to the rotary lever (531) is provided on the safety valve body (71). 6. The brewing structure, as recited in claim 5, wherein the bottom piercing mechanism (6) comprises a bottom piercing tube (61) and a piercing tube spring (62); wherein the piercing tube spring (62) is mounted in the water passage (2a), the bottom piercing tube (61) is placed at a top end of the piercing tube spring (62); a piercing rubber ring (56) is placed on the top piercing tube (55) for sealing around a pierced hole of the coffee capsule (A) when the top piercing tube (55) pierces through the coffee capsule (A). 7. The brewing structure, as recited in claim 6, wherein the lower frame (121) forms a longitudinal assembly chamber; both the pump (3) and the heater (4) are mounted in the longitudinal assembly chamber; a check valve (Z) is provided in a communication space between the water tank (1a) and the pump (3) for preventing the brewing water from flowing backwards; the computer board (8) is mounted in a horizontal assembly chamber between the lower lid (13) and the bottom holder (122); a power cable of the computer board (8) extends outwards through a rear end of the lower body (12); a temperature controller (41) communicating with the computer board (8) is mounted on the heater (4) for feeding back and adjusting a heating temperature of the heater (4); the computer board (8) programs the heating temperature of the heater (4) and a brewing water amount of the pump (3). 8. The brewing structure, as recited in claim 7, wherein a bottom water level controller (Q) is provided in the water tank (1a) for stopping the heater (4) when a water level in the water tank (1a) is lower than a pre-set value; an electronic signal of the bottom water level controller (Q) feeds back water level information of the water tank (1a) to the computer board (8); a buzzer (M) is provided on the upper lid (14) for indicating when coffee brewing is completed or the water level is lower than the pre-set value; a lid button (N), comprising a button locker (N1) and a locker spring (N2), is mounted on the upper lid (14). 9. The brewing structure, as recited in claim 8, wherein the control buttons (91) comprises a start/stop button, a function button, and an adjust button which comprises an adding button and a decreasing button; wherein the function button switches between a water output adjusting function and a water temperature adjusting function, the adjust button adjusts the brewing water amount outputted by the pump (3) for each cup of coffee under the water output adjusting function by changing control parameters of the computer board (8) according to a coffee powder amount in the coffee capsule (A); the adjust button adjusts a water output temperature of the heater (4) under the water temperature adjusting function through the computer board (8). 10. The brewing structure, as recited in claim 8, wherein the control panel (9) is mounted in a top lid chamber (14a), whose opening faces upwards, of the upper lid (14); a heat isolator is mounted under the control panel (9); a sticker (15) with button function indicators is placed on the top lid chamber (14a) for corresponding to the control panel (9); a power indicator (D) is mounted in the upper lid (14).
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이 특허에 인용된 특허 (1)
Schmed, Arthur; Remo, Gianni, Coffee maker for brewing coffee powder contained in a cartridge.
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