Coffee maker brewing device
By introducing isolation parts and sealing ring structures into the coffee machine brewing device, the problem of food safety of aluminum heating pipes under high temperature and high pressure is solved, and the isolation between liquid and aluminum seat is achieved, ensuring food safety and sealing effect.
Patent Information
- Application Number
- CN202422337561.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-24
AI Technical Summary
In existing coffee machine brewing devices, aluminum heating pipes can easily cause food safety problems under high temperature and high pressure, and the coating can easily fall off during long-term use.
The isolation member is introduced in the brewing device of the coffee machine. The isolation member is located between the aluminum seat and the shower sheet to form a water outlet cavity. The water outlet pipe is arranged through the aluminum seat and the isolation member. The isolation member is made of stainless steel to prevent liquid from directly contacting the aluminum seat, and combines with a multi-layer sealing ring to improve the sealing effect.
It effectively avoids direct contact between liquid and aluminum seat, ensures food safety, improves sealing performance, prevents liquid pollution, and enhances the durability of the device.
Smart Images

Figure CN223111502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coffee machines, in particular to a coffee machine brewing device. Background Art
[0002] In order to make the temperature of coffee more accurate and controllable, the brewing head body of the existing coffee machine brewing device is generally provided with a heating pipe. In order to make the heat of the heating pipe better heat the brewing head, the brewing head body is generally made of aluminum with good heat transfer. This design can achieve good heat transfer effect, but water will directly contact the aluminum, and aluminum is a material with a low food grade, which will affect food safety to a certain extent. Some designs spray a food-grade coating on the surface of the aluminum to solve this problem, but this coating is prone to peeling off after long-term use under high temperature and high pressure. Summary of the Utility Model
[0003] The utility model aims to solve at least one of the technical problems in the related art to some extent. For this purpose, the utility model provides a coffee machine brewing device.
[0004] The embodiment of the utility model provides a coffee machine brewing device, which includes:
[0005] A brewing head, including an aluminum seat and a heating component, the heating component is located in the aluminum seat and is used to heat the aluminum seat;
[0006] A shower head, located below the aluminum seat and installed on the aluminum seat;
[0007] An isolation member, located between the aluminum seat and the shower head, the isolation member is located on the lower side of the aluminum seat, and a water outlet cavity is formed between the lower end surface of the isolation member and the upper end surface of the shower head;
[0008] A water outlet pipe, passing through the aluminum seat and the isolation member, and the lower end of the water outlet pipe communicates with the water outlet cavity.
[0009] The coffee machine brewing device according to the embodiment of the utility model has at least the following technical effects: The liquid in the water outlet pipe enters the water outlet cavity. Due to the existence of the isolation member, the liquid cannot directly contact the aluminum seat, avoiding the aluminum seat from contaminating the liquid.
[0010] According to some embodiments of the utility model, the coffee machine brewing device further includes a first sealing ring, the first sealing ring is sleeved on the water outlet pipe, the isolation member is annular, and the first sealing ring is respectively attached to the peripheral wall of the water outlet pipe and the peripheral wall of the isolation member.
[0011] According to some embodiments of the present utility model, a first ring portion is formed by the inner side of the spacer extending upward, and an upper end of the first ring portion extends toward the axis of the spacer to form a second ring portion. A first annular groove is provided on the outer peripheral wall of the water outlet pipe. The second ring portion is inserted into the first annular groove and the upper end of the second ring portion abuts against the groove wall of the first annular groove. A part of the first sealing ring is located in the first annular groove, and the first sealing ring is attached to the inner side of the first ring portion.
[0012] According to some embodiments of the present utility model, the coffee machine brewing device further includes a second sealing ring. The second sealing ring is sleeved on the aluminum seat, and the second sealing ring is respectively attached to the aluminum seat, the outer side of the spacer and the shower head.
[0013] According to some embodiments of the present utility model, a third ring portion is formed by the outer side of the spacer extending upward. A second annular groove is provided on the lower end surface of the second sealing ring. The third ring portion is inserted into the second annular groove.
[0014] According to some embodiments of the present utility model, the coffee machine brewing device further includes a third sealing ring. A fourth ring portion is formed by the outer side of the shower head extending upward. The inner side of the fourth ring portion is attached to the aluminum seat. The third sealing ring is sleeved on the fourth ring portion, and the upper end of the third sealing ring abuts against the aluminum seat.
[0015] According to some embodiments of the present utility model, the coffee machine brewing device further includes a third sealing ring. A fourth ring portion is formed by the outer side of the shower head extending upward. A fifth ring portion is formed by the outer side of the spacer extending upward. An upper end of the fifth ring portion extends away from the axis of the spacer to form a sixth ring portion. The fifth ring portion is sleeved on the aluminum seat. The fourth ring portion is sleeved on the fifth ring portion. The third sealing ring is sleeved on the fourth ring portion, and the upper end of the third sealing ring abuts against the sixth ring portion.
[0016] According to some embodiments of the present utility model, the coffee machine brewing device further includes a coffee handle, and the coffee handle is detachably connected to the brewing head.
[0017] According to some embodiments of the present utility model, a funnel assembly is provided in the coffee handle. The funnel assembly is used for carrying coffee powder, and a liquid outlet hole is provided at the bottom of the funnel assembly.
[0018] According to some embodiments of the present utility model, when the coffee handle is connected to the brewing head, the funnel assembly is located below the shower head.
[0019] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. Description of the Drawings
[0020] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:
[0021] Figure 1 is a schematic structural view of a coffee machine brewing device according to some embodiments of the present utility model;
[0022] Figure 2 is a cross-sectional view of a coffee machine brewing device according to some embodiments of the present utility model;
[0023] Figure 3 is a cross-sectional view of another coffee machine brewing device according to some embodiments of the present utility model;
[0024] Figure 4 is a schematic structural view of a coffee machine brewing device with a coffee handle according to some embodiments of the present utility model;
[0025] Figure 5 is a cross-sectional view of a coffee machine brewing device with a coffee handle according to some embodiments of the present utility model;
[0026] Figure 6 is Figure 2 an enlarged schematic view of part A of
[0027] Figure 7 is Figure 2 an enlarged schematic view of part B of
[0028] Figure 8 is Figure 3 an enlarged schematic view of part C of
[0029] Reference Numerals in the Drawings:
[0030] Brewing head 100, aluminum seat 110, heating component 120, water outlet cavity 130, coffee handle 140, funnel assembly 150, liquid outlet hole 151;
[0031] Shower head 200, fourth ring part 210, spacer 220, first ring part 221, second ring part 222, third ring part 223, fifth ring part 225, sixth ring part 226;
[0032] Water outlet pipe 300, first annular groove 301, first sealing ring 310, second sealing ring 320, second annular groove 321, third sealing ring 330. Detailed Embodiments
[0033] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.
[0034] In the description of the present utility model, it should be understood that with respect to the orientation description, such as up, down, etc., the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0035] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If there is a description of "first", "second", etc., it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.
[0036] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.
[0037] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.
[0038] According to some embodiments of the present utility model, referring to Figures 1 to 3 , the coffee machine brewing device includes a brewing head 100, a shower screen 200, a spacer 220, and a water outlet pipe 300. The brewing head 100 includes an aluminum seat 110 and a heating component 120. The heating component 120 is installed on the aluminum seat 110, and the heating component 120 is used to heat the aluminum seat 110. The shower screen 200 is located below the aluminum seat 110 and is installed on the aluminum seat 110. The spacer 220 is located between the aluminum seat 110 and the shower screen 200, and the spacer 220 is located on the lower side of the aluminum seat 110. The upper end surface of the spacer 220 is in contact with the lower end surface of the aluminum seat 110, or there is a certain gap between the upper end surface of the spacer 220 and the lower end surface of the aluminum seat 110. A water outlet cavity 130 is formed between the lower end surface of the spacer 220 and the upper end surface of the shower screen 200. The water outlet pipe 300 passes through the aluminum seat 110 and the spacer 220 at the same time, and the lower end of the water outlet pipe 300 communicates with the water outlet cavity 130.
[0039] The water in the water outlet pipe 300 flows downward into the water outlet cavity 130. After the heating component 120 heats the aluminum seat 110, the aluminum seat 110 generates heat and transfers the heat to the water through the isolation member 220. Due to the existence of the isolation member 220, which is made of stainless steel, the water cannot directly contact the aluminum seat 110, thus preventing the aluminum seat 110 from contaminating the liquid.
[0040] According to some embodiments of the present invention, referring to Figure 2 and Figure 3 , the coffee machine brewing device further includes a first sealing ring 310. The first sealing ring 310 is sleeved on the water outlet pipe 300. The isolation member 220 is annular. The first sealing ring 310 is respectively attached to the outer peripheral wall of the water outlet pipe 300 and the inner peripheral wall of the isolation member 220. The first sealing ring 310 can prevent water from flowing out through the gap between the water outlet pipe 300 and the isolation member 220 and thus contacting the aluminum seat 110.
[0041] Preferably, referring to Figure 2 , Figure 3 and Figure 6 , an inner side of the isolation member 220 extends upward to form a first ring portion 221. An upper end of the first ring portion 221 extends toward the axis of the isolation member 220 to form a second ring portion 222. A first annular groove 301 is provided on the outer peripheral wall of the water outlet pipe 300. The inner side of the second ring portion 222 is inserted into the first annular groove 301 and the upper end of the second ring portion 222 abuts against the upper groove wall of the first annular groove 301. A part of the first sealing ring 310 is located in the first annular groove 301. The first sealing ring 310 is attached to the inner side of the first ring portion 221. The cooperation of the first ring portion 221 and the second ring portion 222 with the first sealing ring 310 can improve the sealing performance of the first sealing ring 310.
[0042] According to some embodiments of the present invention, referring to Figure 2 and Figure 7 , the coffee machine brewing device further includes a second sealing ring 320. The second sealing ring 320 is sleeved on the aluminum seat 110. The inner side surface of the second sealing ring 320 is attached to the aluminum seat 110. The lower end surface of the second sealing ring 320 is attached to the isolation member 220. The outer side surface of the second sealing ring 320 is attached to the shower head 200. The second sealing ring 320 can prevent water from flowing out through the gap between the isolation member 220 and the shower head 200 and thus contacting the aluminum seat 110.
[0043] Preferably, referring to Figure 2 and Figure 7 , an outer side of the isolation member 220 extends upward to form a third ring portion 223. A second annular groove 321 is provided on the lower end surface of the second sealing ring 320. The third ring portion 223 is inserted into the second annular groove 321 to facilitate positioning and assembly and improve the sealing performance of the second sealing ring 320.
[0044] According to some embodiments of the present utility model, with reference to Figure 2 and Figure 7 , the coffee machine brewing device further includes a third sealing ring 330. The outer side of the shower head 200 extends upward to form a fourth ring portion 210. The inner side of the fourth ring portion 210 fits against the aluminum seat 110. The third sealing ring 330 is sleeved on the fourth ring portion 210. The upper end of the third sealing ring 330 abuts against the aluminum seat 110. The third sealing ring 330 can further improve the sealing effect and prevent water from leaking out through the gap between the aluminum seat 110 and the shower head 200.
[0045] According to some embodiments of the present utility model, with reference to Figure 3 and Figure 8 , the coffee machine brewing device further includes a third sealing ring 330. The outer side of the shower head 200 extends upward to form a fourth ring portion 210. The outer side of the spacer 220 extends upward to form a fifth ring portion 225. The upper end of the fifth ring portion 225 extends away from the axis of the spacer 220 to form a sixth ring portion 226. The fifth ring portion 225 is sleeved on the aluminum seat 110. The fourth ring portion 210 is sleeved on the fifth ring portion 225. The third sealing ring 330 is sleeved on the fourth ring portion 210. The upper end of the third sealing ring 330 abuts against the sixth ring portion 226. The third sealing ring 330 can prevent water from flowing out through the gap between the fifth ring portion 225 and the fourth ring portion 210. The sixth ring portion 226 can prevent water from contacting the aluminum seat 110.
[0046] According to some embodiments of the present utility model, with reference to Figure 4 and Figure 5 , the coffee machine brewing device further includes a coffee handle 140. The coffee handle 140 is detachably connected to the brewing head 100. A funnel assembly 150 is provided inside the coffee handle 140. The funnel assembly 150 is used to hold coffee powder. A liquid outlet hole 151 is provided at the bottom of the funnel assembly 150.
[0047] It can be understood that when the coffee handle 140 is connected to the brewing head 100, the funnel assembly 150 is located below the shower head 200. After the water in the water outlet pipe 300 enters the water outlet cavity 130, it flows downward through the through holes of the shower head 200 to the funnel assembly 150 and mixes with the coffee powder. The obtained coffee liquid then flows out through the liquid outlet hole 151.
[0048] In the description of this specification, the description referring to the term "some embodiments" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0049] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.
Claims
1. A coffee machine brewing device, characterized in that, Comprising: A brewing head (100), including an aluminum seat (110) and a heating component (120), the heating component (120) is located in the aluminum seat (110) and is used to heat the aluminum seat (110); A shower head piece (200), located below the aluminum seat (110) and installed on the aluminum seat (110); An isolation piece (220), located between the aluminum seat (110) and the shower head piece (200), the isolation piece (220) is located on the lower side of the aluminum seat (110), and a water outlet cavity (130) is formed between the lower end face of the isolation piece (220) and the upper end face of the shower head piece (200); A water outlet pipe (300), passing through the aluminum seat (110) and the isolation piece (220), the lower end of the water outlet pipe (300) communicates with the water outlet cavity (130).
2. The coffee machine brewing device according to claim 1, wherein The coffee machine brewing device further includes a first sealing ring (310), the first sealing ring (310) is sleeved on the water outlet pipe (300), the isolation piece (220) is annular, and the first sealing ring (310) is respectively in contact with the peripheral wall of the water outlet pipe (300) and the peripheral wall of the isolation piece (220).
3. The coffee machine brewing device according to claim 2, characterized in that, An inner side of the isolation piece (220) extends upward to form a first ring portion (221), an upper end of the first ring portion (221) extends in a direction close to the axis of the isolation piece (220) to form a second ring portion (222), a first annular groove (301) is provided on an outer peripheral wall of the water outlet pipe (300), the second ring portion (222) is inserted into the first annular groove (301) and an upper end of the second ring portion (222) abuts against a groove wall of the first annular groove (301), a part of the first sealing ring (310) is located in the first annular groove (301), and the first sealing ring (310) is in contact with an inner side of the first ring portion (221).
4. The coffee machine brewing device according to claim 1, characterized in that, The coffee machine brewing device further includes a second sealing ring (320), the second sealing ring (320) is sleeved on the aluminum seat (110), and the second sealing ring (320) is respectively in contact with the aluminum seat (110), an outer side of the isolation piece (220) and the shower head piece (200).
5. The coffee machine brewing device according to claim 4, characterized in that, An outer side of the isolation piece (220) extends upward to form a third ring portion (223), a second annular groove (321) is provided on a lower end face of the second sealing ring (320), and the third ring portion (223) is inserted into the second annular groove (321).
6. The coffee machine brewing device according to claim 1, wherein, The coffee machine brewing device further includes a third sealing ring (330), an outer side of the shower head piece (200) extends upward to form a fourth ring portion (210), an inner side of the fourth ring portion (210) is in contact with the aluminum seat (110), the third sealing ring (330) is sleeved on the fourth ring portion (210), and an upper end of the third sealing ring (330) abuts against the aluminum seat (110).
7. The coffee machine brewing device according to claim 1, wherein, The coffee machine brewing device further includes a third sealing ring (330). An outer side of the shower head (200) extends upward to form a fourth ring portion (210). An outer side of the spacer (220) extends upward to form a fifth ring portion (225). An upper end of the fifth ring portion (225) extends away from an axis of the spacer (220) to form a sixth ring portion (226). The fifth ring portion (225) is sleeved on the aluminum seat (110). The fourth ring portion (210) is sleeved on the fifth ring portion (225). The third sealing ring (330) is sleeved on the fourth ring portion (210). An upper end of the third sealing ring (330) abuts against the sixth ring portion (226).
8. The coffee machine brewing device according to claim 1, characterized in that, The coffee machine brewing device further includes a coffee handle (140). The coffee handle (140) is detachably connected to the brewing head (100).
9. The coffee machine brewing device according to claim 8, characterized in that, A funnel assembly (150) is provided in the coffee handle (140). The funnel assembly (150) is used for carrying coffee powder. A liquid outlet hole (151) is provided at a bottom of the funnel assembly (150).
10. The coffee machine brewing device according to claim 9, characterized in that, When the coffee handle (140) is connected to the brewing head (100), the funnel assembly (150) is located below the shower head (200).