Water outlet device capable of improving coffee brewing of hand coffee maker

By designing a spiral water outlet device in the pour-over coffee machine, and using a brushless DC motor and gear transmission system to simulate the spiral motion of pouring coffee by hand, the problem of uneven soaking of coffee powder in existing technologies is solved, achieving uniform extraction of coffee and a diverse brewing experience.

CN223682374UActive Publication Date: 2025-12-19ZHONGSHAN BOEN ELECTRIC CO LTD
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Patent Information

Application Number
CN202520127893.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-19
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing pour-over coffee machines cannot accurately simulate the spiral path of hand-pouring coffee, resulting in uneven soaking of coffee grounds, affecting extraction results and causing waste.

Method used

A spiral water outlet device and a spiral track device were designed. The device uses a brushless DC motor and a gear transmission system to achieve spiral water outlet, simulating the movement trajectory of a person pouring coffee by hand. The movement trajectory of the water outlet component is restricted by limiting components and sliding grooves to ensure uniform soaking of coffee powder.

Benefits of technology

It achieves uniform soaking of coffee powder, maximizes the simulation of the brewing technique of hand-drip coffee, improves coffee extraction efficiency, enhances the DIY experience for consumers, and increases the diversity of coffee flavors.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223682374U_ABST
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Abstract

A water outlet device capable of improving coffee making of a hand coffee making machine comprises a driving assembly, a rotating disc, a water outlet assembly and a limiting piece, the driving assembly is in driving connection with the rotating disc, the water outlet assembly is arranged on the rotating disc in a sliding mode and moves along with the rotating disc, the limiting piece is arranged below the rotating disc, and a spiral track groove is formed in the limiting piece. One end of the water outlet assembly is arranged on the spiral track groove, and the water outlet assembly moves along the spiral track groove when the rotating disc rotates. According to the water outlet device, the water outlet assembly is placed on the limiting piece with the spiral track groove, the movement track of the water outlet assembly is limited, spiral water outlet is achieved, the whole movement track is infinitely close to the manual coffee making mode, the brewing technique of manual coffee making is simulated to the maximum degree, and the coffee making efficiency is improved. The coffee powder can be uniformly and completely soaked; and by matching with a brushless direct current motor and a manual control function, hand-brewed coffee in various forms can be freely DIY, and hand-brewed coffee with different flavors can be made.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coffee machine technical field, especially a kind of water outlet device that can improve hand-pouring coffee machine to brew coffee. BACKGROUND

[0002] The application of coffee machine on market has been more and more extensive, market has tended to saturation, only part coffee machine can simulate hand-pouring coffee, but current hand-pouring coffee machine, mostly just simply simulate circle track, cannot achieve spiral path from big to small, so it is easy to make coffee powder not uniform soak completely, that is, not completely extract coffee powder to cause waste, also not completely successfully reproduce hand-pouring coffee.

[0003] Therefore, it is necessary to make further improvement. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a kind of water outlet device that can improve hand-pouring coffee machine to brew coffee, its spiral water outlet structure can be infinitely close to the movement track of artificial hand-pouring coffee, realize maximum simulation artificial hand-pouring coffee, to overcome the deficiencies of prior art.

[0005] A kind of water outlet device that can improve hand-pouring coffee machine to brew coffee is designed according to this purpose, it is characterized by including driving assembly, carousel, water outlet assembly and limit piece, driving assembly driving connection carousel, water outlet assembly is slidably arranged on carousel and moves along with carousel, limit piece is arranged below carousel, spiral track groove is arranged on limit piece, one end of water outlet assembly is arranged on spiral track groove, water outlet assembly moves along spiral track groove when carousel rotates.

[0006] Sliding groove is arranged on carousel, water outlet assembly is arranged on sliding groove, water outlet assembly moves on sliding groove when carousel rotates.

[0007] One end of water outlet assembly is provided with sliding part, sliding part is arranged on spiral track groove, sliding part slides on spiral track groove when carousel rotates.

[0008] Driving assembly includes driver and transmission part, driver driving connection transmission part, transmission part transmission connection carousel, driver drives carousel rotation by transmission part, driver is motor, driver is located below carousel, transmission part is gear, and tooth portion is arranged on carousel and is mutually engaged with gear.

[0009] Carousel includes tooth disc and rotation guide portion arranged above and below respectively, tooth disc and rotation guide portion form step together, tooth portion is located at the outer periphery of tooth disc, first recess is arranged in the inside of tooth disc, and sliding groove is arranged at the bottom of first recess.

[0010] The water outlet assembly comprises a water inlet connector and a water outlet connector which are connected to each other and arranged in a vertical manner, the upper end of the water inlet connector is connected to a water inlet pipe, and the sliding part is arranged at the lower end of the water outlet connector.

[0011] The water inlet connector is provided with a dialing part for manually dialing the water inlet connector, and the water inlet connector drives the water outlet connector to move along the spiral track groove when manually dialing.

[0012] The rotating disc is arranged on the limiting member in a rotating manner, the rotating disc is connected to the limiting member in a rotating manner through a shaft structure, the shaft structure comprises a fixed shaft arranged on the limiting member and a first bearing sleeved on the fixed shaft and located between the fixed shaft and the rotating disc, and the fixed shaft is provided with a stepped part for mounting the first bearing;

[0013] The limiting member is disc-shaped, is provided with a second groove, the spiral track groove is located at the bottom of the second groove, the fixed shaft is located at the center of the second groove, the spiral track groove is located at the outer periphery of the fixed shaft, and the rotating disc is arranged at the top of the second groove;

[0014] The rotating guide part extends into the second groove, the rotating disc is provided with a rotating guide edge at the top, and the rotating guide part and the rotating guide edge are in guiding and rotating cooperation.

[0015] The water inlet connector is sleeved with a second bearing at the lower end, the second bearing is slidingly clamped on the sliding groove, the sliding part is sleeved with a third bearing at the upper end, the third bearing is supported at the bottom of the limiting member, the water outlet connector is provided with a limiting part, and the limiting part is arranged between the second bearing and the third bearing to limit the up-down position of the water outlet assembly.

[0016] The fixed support is further provided with a mounting hole for mounting the limiting member, the rotating guide edge is sleeved into the mounting hole, the circumferential side of the limiting member is annularly provided with a plurality of fixing ears, the fixed support is provided with a first fixing hole, the fixing ears are provided with a second fixing hole, and the fastener is fastened and connected with the second fixing hole after passing through the first fixing hole, so that the limiting member is fixed on the fixed support;

[0017] The driver is mounted at the bottom of the fixed support, the transmission member is located above the fixed support, the output shaft of the driver is connected to the transmission member, and the output shaft is arranged on the fixed support;

[0018] The toothed disc is located above the fixed support, the rotating guide part passes through the mounting hole, and the limiting member is located at the bottom of the fixed support.

[0019] The water outlet device of the utility model can place the water outlet assembly on the limiting piece with the spiral track groove, limit the movement track of the water outlet assembly, realize the spiral water outlet, the whole movement track is close to the manual coffee making mode, the brewing method of the manual coffee making is maximized, the coffee powder can be evenly soaked, and the manual coffee making machine with brushless DC motor and manual control function can make various forms of manual coffee, and the manual coffee making machine with different flavors is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the water outlet device in an embodiment of the utility model.

[0021] Figure 2 It is an exploded structure schematic view of the water outlet device in an embodiment of the utility model.

[0022] Figure 3 It is a sectional view of the water outlet device in an embodiment of the utility model.

[0023] Figure 4 It is a water path schematic view of the water outlet device in an embodiment of the utility model. DETAILED DESCRIPTION

[0024] The utility model will be further described in connection with the drawings and embodiments.

[0025] Referring to Figures 1-4 , the water outlet device for brewing coffee of the manual coffee making machine can be improved, which comprises a driving assembly 1, a rotating disc 2, a water outlet assembly 3 and a limiting piece 4, the driving assembly 1 is drivingly connected to the rotating disc 2, the water outlet assembly 3 is slidably arranged on the rotating disc 2 and moves together with the rotating disc 2, the limiting piece 4 is arranged below the rotating disc 2, the limiting piece 4 is provided with a spiral track groove 5, one end of the water outlet assembly 3 is arranged on the spiral track groove 5, the water outlet assembly 3 moves along the spiral track groove 5 when the rotating disc 2 rotates, and spiral water outlet is realized; the rotating disc 2 and the spiral track groove 5 jointly act to make the water outlet assembly 3 move along the spiral track.

[0026] The rotating disc 2 is provided with a sliding groove 6, the water outlet assembly 3 is arranged on the sliding groove 6, and the water outlet assembly 3 moves on the sliding groove 6 when the rotating disc 2 rotates.

[0027] The water outlet assembly 3 is provided with a sliding part 7 at the lower end, the sliding part 7 is arranged on the spiral track groove 5, and the sliding part 7 slides on the spiral track groove when the rotating disc 2 rotates.

[0028] The driving assembly 1 comprises a driver 8 and a transmission member 9, the driver 8 is drivingly connected with the transmission member 9, the transmission member 9 is drivingly connected with the rotating disc 2, the driver 8 drives the rotating disc 2 to rotate through the transmission member 9, the driver 8 is an electric motor, the driver 8 is located below the rotating disc 2, so as to avoid occupying the space above the rotating disc 2 and reserve space for other parts of the coffee machine; the transmission member 9 is a gear, and the rotating disc 2 is provided with a tooth portion 10 which is meshed with the gear.

[0029] The driver 8 is a brushless direct current motor, the output shaft 34 of the motor is connected with the gear, the brushless direct current motor is adopted to output power, the rotating speed and the step distance are defined through the motor, the water outlet assembly 3 is controlled to realize the spiral track from inside to outside and from outside to inside according to the predetermined spiral track, the hand-pouring method of the consumer is accurately simulated, non-professional consumers can also brew a perfect hand-pouring coffee, the water supply amount and the stay time of each position in the rotating process can be artificially defined, the playability of the consumer is increased, and each consumer can make a hand-pouring coffee which is favorite to him.

[0030] The rotating disc 2 comprises a tooth disc 24 and a rotating guide portion 25 which are arranged above and below respectively, the tooth disc 24 and the rotating guide portion 25 jointly form a stepped shape, the tooth portion 10 is located at the outer periphery of the tooth disc 24, the tooth disc 24 is internally provided with a first recess 26, and the sliding groove 6 is arranged at the bottom of the first recess 26.

[0031] The water outlet assembly 3 comprises a water inlet connector 11 and a water outlet connector 12 which are connected with each other, the upper end of the water inlet connector 11 is connected with a water inlet pipe 13, and the sliding portion 7 is arranged at the lower end of the water outlet connector 12.

[0032] The water inlet connector 11 and the water outlet connector 12 are arranged above and below respectively, the water inlet connector 11 is provided with a plug-in column 20 at the lower end, the water outlet connector 12 is provided with a plug-in hole 21 at the upper end, the plug-in column 20 and the plug-in hole 21 are plugged into each other, so as to connect the water inlet connector 11 and the water outlet connector 12.

[0033] The water inlet connector 11 is provided with a dialing portion 14 which is used for manually dialing the water inlet connector 11, and the water inlet connector 11 drives the water outlet connector 12 to move along the spiral track groove 5 when being manually dialed.

[0034] The rotating disc 2 is rotatably arranged on the limiting member 4; the rotating disc 2 is rotatably connected with the limiting member 4 through a shaft structure, the shaft structure comprises a fixed shaft 16 which is arranged on the limiting member 4 and a first bearing 15 which is sleeved on the fixed shaft 16 and located between the fixed shaft 16 and the rotating disc 2, and the fixed shaft 16 is provided with a stepped portion 27 which is used for mounting the first bearing 15;

[0035] The limiting member 4 is disc-shaped, is provided with a second recess 28, and the spiral track groove 5 is located at the bottom of the second recess 28; the fixed shaft 16 is located at the center of the second recess 28, the spiral track groove 5 is located at the outer periphery of the fixed shaft 16, and the rotating disc 2 is arranged at the top of the second recess 28;

[0036] The rotating guide part 25 extends into the second groove 28, and the rotating guide edge 29 is arranged on the top of the rotating disc 2, the rotating guide part 25 is guided to rotate with the rotating guide edge 29, and a certain rotating guide stability is achieved.

[0037] The bearing mounting hole 22 for mounting the first bearing 15 is arranged on the rotating disc 2, and the bearing mounting hole 22 is located at the center of the bottom of the first groove 26.

[0038] The second bearing 17 is sleeved at the lower end of the water inlet joint 11, the second bearing 17 is slidingly clamped on the sliding groove 6, and the second bearing 17 is located between the water inlet joint 11 and the water outlet joint 12; the third bearing 23 is sleeved on the upper end of the sliding part 7, the third bearing 23 is supported at the bottom of the limiting part 4, the limiting part 30 is arranged on the water outlet joint 12, and the limiting part 30 is arranged between the second bearing 17 and the third bearing 23 to limit the up-down position of the water outlet assembly 3.

[0039] The fixing support 18 is further arranged, the fixing support 18 is arranged with the mounting hole 19 for mounting the limiting part 4, the rotating guide edge 29 is sleeved into the mounting hole 19, the limiting part 4 is annularly arranged with the plurality of fixing ears 31 on the side, the fixing support 18 is arranged with the first fixing hole 32, the fixing ear 31 is arranged with the second fixing hole 33, and the fastener (screw) is fastened and connected through the first fixing hole 32 and the second fixing hole 33, so that the limiting part 4 is fixed on the fixing support 18;

[0040] The driver 8 is mounted at the bottom of the fixing support 18 through a screw, the transmission part 9 is located above the fixing support 18, the output shaft 34 of the driver 8 (motor) is connected with the transmission part 9, and the output shaft 34 is arranged through the fixing support 18;

[0041] The tooth disc 24 is located above the fixing support 18, the rotating guide part 25 passes through the mounting hole 19, the limiting part 4 is located at the bottom of the fixing support 18, and the limiting part 4 is a limiting frame.

[0042] The water outlet joint 12 position can also be matched with a motor, so that the water outlet joint 12 can realize spiral water supply and also can swing at an angle.

[0043] The working principle of the water outlet device for improving the brewing of the hand coffee machine can be improved as follows:

[0044] As shown in Figure 3 , the water outlet device is in standby state, the waterway is not connected, the motor is not functional, and each part is static.

[0045] As shown in Figure 4 , the water outlet device is in automatic extraction state or manual state;

[0046] When the water outlet device is in the automatic extraction state, the water path is connected, water enters from the water inlet joint 11 through the water inlet pipe 13, and water is discharged from the water outlet joint 12; at this time, the motor starts to be powered to rotate, the rotating disc 2 engaged with the gear is rotated, the water outlet assembly 3 moves with the rotating disc 2, and the movement track of the water outlet assembly 3 becomes spiral due to the limitation of the spiral track groove 5, and the water discharged from the water outlet joint 12 is also spiral, which is uniformly distributed on the coffee powder.

[0047] When the water outlet device is in the manual state, the water path is changed to be connected by touch, and the water path is opened only when power is supplied, water enters from the water inlet joint 11 through the water inlet pipe 13, and water is discharged from the water outlet joint 12; at the same time, the water inlet joint 11 can be moved by the moving part 14, so that the water outlet assembly 3 can move back and forth within the range limited by the spiral track groove 5.

[0048] The above is the preferred scheme of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water outlet device for improving the brewing process of coffee in a pour-over coffee machine, characterized in that: It includes a drive assembly (1), a turntable (2), a water outlet assembly (3) and a limiting member (4). The drive assembly (1) drives and connects to the turntable (2). The water outlet assembly (3) is slidably disposed on the turntable (2) and moves together with the turntable (2). The limiting member (4) is disposed below the turntable (2). A spiral track groove (5) is provided on the limiting member (4). One end of the water outlet assembly (3) is disposed on the spiral track groove (5). When the turntable (2) rotates, the water outlet assembly (3) moves along the spiral track groove (5).

2. The water outlet device for improving coffee brewing in a pour-over coffee machine according to claim 1, characterized in that: A sliding groove (6) is provided on the turntable (2), and the water outlet component (3) passes through the sliding groove (6). When the turntable (2) rotates, the water outlet component (3) moves on the sliding groove (6).

3. The water outlet device for improving coffee brewing in a pour-over coffee machine according to claim 2, characterized in that: The water outlet component (3) has a sliding part (7) at one end. The sliding part (7) passes through the spiral track groove (5). When the turntable (2) rotates, the sliding part (7) slides on the spiral track groove (5).

4. The water outlet device for improving coffee brewing in a pour-over coffee machine according to claim 1, characterized in that: The drive assembly (1) includes a driver (8) and a transmission component (9). The driver (8) drives the transmission component (9), and the transmission component (9) drives the turntable (2). The driver (8) drives the turntable (2) to rotate through the transmission component (9). The driver (8) is a motor and is located below the turntable (2). The transmission component (9) is a gear, and the turntable (2) is provided with teeth (10) that mesh with the gear.

5. The water outlet device for improving coffee brewing in a pour-over coffee maker according to claim 1, characterized in that: The turntable (2) includes a toothed disc (24) and a rotation guide (25) respectively arranged on the upper and lower sides. The toothed disc (24) and the rotation guide (25) together form a step shape. The tooth (10) is located on the outer periphery of the toothed disc (24). A first groove (26) is provided inside the toothed disc (24), and a sliding groove (6) is provided at the bottom of the first groove (26).

6. The water outlet device for improving coffee brewing in a pour-over coffee maker according to claim 3, characterized in that: The water outlet assembly (3) includes an inlet connector (11) and an outlet connector (12) that are connected to each other and arranged vertically. The upper end of the inlet connector (11) is connected to the inlet pipe (13), and the sliding part (7) is arranged at the lower end of the outlet connector (12).

7. The water outlet device for improving coffee brewing in a pour-over coffee maker according to claim 6, characterized in that: The inlet connector (11) is provided with a toggle part (14) for manually toggling the inlet connector (11). When the inlet connector (11) is manually toggled, it drives the outlet connector (12) to move along the spiral track groove (5).

8. The water outlet device for improving coffee brewing in a pour-over coffee maker according to claim 5, characterized in that: The turntable (2) is rotatably mounted on the limiting member (4); the turntable (2) is rotatably connected to the limiting member (4) through a shaft structure, the shaft structure including a fixed shaft (16) mounted on the limiting member (4) and a first bearing (15) fitted on the fixed shaft (16) and located between the fixed shaft (16) and the turntable (2), the fixed shaft (16) is provided with a stepped portion (27) for mounting the first bearing (15); The limiting member (4) is disc-shaped and has a second groove (28). The spiral track groove (5) is located at the bottom of the second groove (28), the fixed shaft (16) is located at the center of the second groove (28), the spiral track groove (5) is located on the outer periphery of the fixed shaft (16), and the turntable (2) is located at the top of the second groove (28). The rotating guide (25) extends into the second groove (28), and the top of the turntable (2) is provided with a rotating guide edge (29). The rotating guide (25) and the rotating guide edge (29) guide the rotation.

9. The water outlet device for improving coffee brewing in a pour-over coffee maker according to claim 6, characterized in that: The lower end of the water inlet connector (11) is fitted with a second bearing (17), which is slidably locked on the sliding groove (6); the upper end of the sliding part (7) is fitted with a third bearing (23), which is supported at the bottom of the limiting member (4). The water outlet connector (12) is provided with a limiting part (30), which is limited between the second bearing (17) and the third bearing (23) to limit the vertical position of the water outlet assembly (3).

10. The water outlet device for improving coffee brewing in a pour-over coffee maker according to claim 8, characterized in that: It also includes a fixed bracket (18), which is provided with a mounting hole (19) for installing the limiting member (4). The rotating guide edge (29) is fitted into the mounting hole (19). The limiting member (4) is provided with a number of fixing ears (31) in a ring around its periphery. The fixed bracket (18) is provided with a first fixing hole (32), and the fixing ears (31) are provided with a second fixing hole (33). The fastener passes through the first fixing hole (32) and is fastened to the second fixing hole (33) so that the limiting member (4) is fixed on the fixed bracket (18). The driver (8) is mounted at the bottom of the fixed bracket (18), the transmission component (9) is located above the fixed bracket (18), the output shaft (34) of the driver (8) is connected to the transmission component (9), and the output shaft (34) passes through the fixed bracket (18); The gear plate (24) is located above the fixed bracket (18), the rotating guide (25) passes through the mounting hole (19), and the limiting member (4) is located at the bottom of the fixed bracket (18).