Moka kettle with three-valve structure

Abstract

The utility model discloses a three-valve structure moka kettle, which relates to the moka kettle field, and comprises a mounting head and a connecting sleeve, the connecting sleeve is internally in threaded connection with the mounting head, the connecting sleeve is internally provided with a silica gel sealing valve I and a silica gel sealing valve II in sequence from bottom to top, and the silica gel sealing valve I is in threaded connection with the connecting sleeve. And the silica gel sealing valve I and the silica gel sealing valve II are in clearance fit with the inner wall of the connecting sleeve. The coffee machine has the beneficial effects that the extraction pressure can be further improved, the extraction speed can be delayed, the grease content and concentration of coffee can be increased through cooperation of the first silica gel sealing valve and the second silica gel sealing valve, the effect similar to multi-stage filtration can be achieved through combination of the first through hole and the second through hole, and due to the length and the conical structure of the second through hole, the extraction efficiency is improved. According to the coffee machine, a larger filtering area and a finer filtering effect can be provided, and smaller coffee residue particles are further intercepted and blocked, so that finally obtained coffee liquid is clearer, the influence of coffee residues on the taste is reduced, and the coffee quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of moka pot technology, specifically to a three-valve moka pot. Background Technology

[0002] The Moka pot, a common coffee brewing device, is loved by coffee enthusiasts for its convenience and ability to produce coffee with a certain degree of espresso. However, traditional Moka pots have many drawbacks in practical use.

[0003] Most existing moka pots use a single-valve or double-valve structure, which limits the ability to form and maintain steam pressure during the heating process. When water is converted into steam and pushes hot water through the coffee grounds for extraction, the relatively low pressure cannot fully penetrate the coffee grounds, resulting in the flavor compounds in the coffee grounds not being fully extracted, thus affecting the taste and aroma of the coffee.

[0004] Because traditional Moka pots lack sufficient pressure, they cannot fully emulsify and release the oils in coffee beans, which greatly reduces the richness of the coffee's flavor and its visual appeal. Furthermore, the pressure value does not reach the ideal range, resulting in uneven extraction of the coffee liquid as it passes through the coffee grounds. Utility Model Content

[0005] The purpose of this invention is to provide a three-valve structure moka pot to solve the above problems, as detailed below.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This utility model provides a three-valve structure moka pot, including an installation head, a connecting sleeve, and a single-valve moka pot body. The connecting sleeve is internally threaded with the installation head. From bottom to top, a silicone sealing valve one and a silicone sealing valve two are arranged in sequence inside the connecting sleeve, and both the silicone sealing valve one and the silicone sealing valve two are in clearance fit with the inner wall of the connecting sleeve.

[0008] The silicone sealing valve one and silicone sealing valve two are respectively provided with through holes one and two in the vertical direction. The upper ends of through holes one and two are in a sealed state when there is no external force. The mounting head is provided with a vertical channel that penetrates the bottom of the mounting head and corresponds to through hole two. The mounting head is provided with a liquid outlet that communicates with the channel.

[0009] The lower end of the connecting sleeve is threaded into the upper end of the filter of the single-valve moka pot body.

[0010] The above-mentioned three-valve structure moka pot, with silicone sealing valve one and silicone sealing valve two installed into the connecting sleeve, and the installation head installed into the connecting sleeve, and the top of silicone sealing valve two squeezed, can ensure the sealing of silicone sealing valve one and silicone sealing valve two with the inner wall of the connecting sleeve. The connecting sleeve is installed on the upper end of the filter. When the high-temperature and high-pressure coffee liquid extracted by steam passes through through hole one and through hole two in sequence, the extraction pressure can be further increased, the extraction speed can be slowed down, and the oil content and concentration of the coffee can be increased.

[0011] Preferably, the connecting sleeve is provided with an annular end face for supporting the bottom of the silicone sealing valve one. The silicone sealing valve one is cylindrical and has a cylindrical cavity in the middle corresponding to the through hole two. The through hole one is located below the cylindrical cavity.

[0012] Preferably, the silicone sealing valve II is composed of two cylinders with different diameters, and the upper part of the silicone sealing valve II is fitted with the channel with a clearance, and the lower end of the mounting head contacts the end face of the waist of the silicone sealing valve II.

[0013] Preferably, the silicone sealing valve has an inward taper extending from the lower surface of the second surface.

[0014] Preferably, both through hole one and through hole two are tapered, and the length of through hole two is greater than that of through hole one.

[0015] Preferably, the inner diameter of the channel decreases from bottom to top.

[0016] Preferably, there are at least two liquid outlets, which are inclined downwards and connected to the upper end of the channel.

[0017] Preferably, the total size of the liquid outlets is greater than the upper end of the channel.

[0018] Preferably, the mounting head and the connecting sleeve are smoothly connected, and the surface of the mounting head is provided with two vertical planes.

[0019] Preferably, sealing rings are provided between the mounting head and the connecting sleeve, and between the connecting sleeve and the inner wall of the upper end of the filter.

[0020] The beneficial effects are:

[0021] 1. By using silicone sealing valve one and silicone sealing valve two together, the extraction pressure can be further increased, the extraction speed can be slowed down, and the oil content and concentration of coffee can be increased. The combination of through-hole one and through-hole two can play a role similar to multi-stage filtration. Through-hole one can initially intercept larger coffee grounds particles, while through-hole two, due to its length and conical structure, can provide a larger filtration area and a finer filtration effect, further intercepting and blocking smaller coffee grounds particles, making the final coffee liquid clearer, reducing the impact of coffee grounds on the taste, and improving coffee quality.

[0022] 2. By designing the mounting head and connecting sleeve separately, the pressurizing part of this moka pot is easy to assemble. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional cross-sectional structural diagram of the mounting head of this utility model;

[0025] Figure 2 This is a front view structural diagram of the mounting head of this utility model;

[0026] Figure 3 This is a three-dimensional structural diagram of the mounting head of this utility model;

[0027] Figure 4 This is a front view cross-sectional structural diagram of the connecting sleeve and the filter after the present invention is connected;

[0028] Figure 5 This is a front view structural diagram of the present invention;

[0029] Figure 6 This is a three-dimensional cross-sectional structural diagram of the present invention.

[0030] The annotations in the attached figures are explained as follows:

[0031] 1. Mounting head; 2. Connecting sleeve; 3. Silicone sealing valve one; 4. Silicone sealing valve two; 5. Channel; 6. Liquid outlet; 7. Through hole one; 8. Through hole two; 9. Sealing ring; 10. Flat surface; 11. Filter; 12. Single valve Moka pot body. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0033] See Figures 1-6As shown, the present invention provides a three-valve structure moka pot, including a mounting head 1, a connecting sleeve 2 and a single-valve moka pot body 12. The mounting head 1 is internally threaded to the connecting sleeve 2. A silicone sealing valve 3 and a silicone sealing valve 4 are arranged sequentially from bottom to top inside the connecting sleeve 2, and both the silicone sealing valve 3 and the silicone sealing valve 4 are in clearance fit with the inner wall of the connecting sleeve 2.

[0034] The silicone sealing valve 1 3 and the silicone sealing valve 2 4 are respectively provided with through holes 1 7 and 2 8 in the vertical direction. The upper ends of through holes 1 7 and 2 8 are in a sealed state when there is no external force. The mounting head 1 is provided with a vertical channel 5, which penetrates the bottom of the mounting head 1 and corresponds to through hole 2 8. The mounting head 1 is provided with an outlet 6 that communicates with channel 5.

[0035] The lower end of the connecting sleeve 2 is threaded to the upper end of the filter 11 of the single-valve moka pot body 12. Sealing rings 9 are provided between the mounting head 1 and the connecting sleeve 2 and between the connecting sleeve 2 and the upper inner wall of the filter 11. The single-valve moka pot body 12 is existing technology, and its structure will not be described in detail. The single-valve moka pot body 12 refers to the single-valve pot in the prior art, where the filter 11 and its related structure are the single-valve concept in the single-valve pot.

[0036] The filter 11, together with the silicone sealing valve 3 and the silicone sealing valve 4, constitutes the three-valve structure of this moka pot.

[0037] As an optional implementation, the connecting sleeve 2 has an annular end face to support the bottom of the silicone sealing valve 3. The silicone sealing valve 3 is cylindrical, with a cylindrical cavity in the middle corresponding to the through hole 8. The through hole 7 is located below the cylindrical cavity. The cylindrical cavity increases the distance between the through hole 7 and the through hole 8, providing more space for coffee grounds to settle. During the flow of coffee liquid, some coffee grounds will settle in the area between the through hole 7 and the through hole 8 under gravity, reducing the possibility of coffee grounds entering the through hole 8 with the coffee liquid. This helps improve the clarity of the coffee liquid and reduces the impact of coffee grounds on subsequent filtration processes.

[0038] The silicone sealing valve 24 is composed of two cylinders with different diameters. The upper part of the silicone sealing valve 24 is fitted with the channel 5 with a clearance. The lower end of the mounting head 1 contacts the end face of the waist of the silicone sealing valve 24. This design can increase the contact area between the silicone sealing valve 24 and the channel 5, thereby improving the sealing performance of the structure.

[0039] The surface of the silicone sealing valve 24 has an inward taper, which facilitates the assembly of the silicone sealing valve 24.

[0040] Both through hole 7 and through hole 8 are tapered, and the length of through hole 8 is greater than that of through hole 7.

[0041] Through-hole 7, as the first channel through which the coffee liquid passes, has a conical structure that can initially limit the flow of the coffee liquid, controlling the speed at which it enters the system. Simultaneously, due to the conical structure, the flow velocity of the coffee liquid changes as it passes through through-hole 7, typically increasing gradually in the constricted section of the cone. This helps guide the coffee liquid to through-hole 8 at a certain speed and pressure.

[0042] The elongated conical structure of through-hole 8 allows for more precise flow control. The longer channel means the coffee liquid stays within it for a longer time, encountering greater resistance, thus enabling more accurate control of the flow rate and a more stable flow velocity. Furthermore, the elongated conical through-hole 8 also has a good rectifying effect, further streamlining any turbulent or uneven flow of coffee liquid that might occur after passing through through-hole 7, allowing the coffee liquid to flow out more evenly and smoothly, contributing to improved consistency and stability of coffee extraction.

[0043] The different structures of through-hole 7 and through-hole 8 enable stepwise extraction control. Through-hole 7 allows the coffee liquid to quickly contact the coffee grounds for initial extraction, extracting some easily soluble substances and aroma components. Then, as the coffee liquid passes through through-hole 8, its longer channel and finer flow restriction extend the contact time with the coffee grounds, allowing for a more complete extraction of other components, such as bitter substances and more complex flavor compounds.

[0044] The combination of through-hole 7 and through-hole 8 can function similarly to a multi-stage filtration system. Through-hole 7 can initially intercept larger coffee grounds, while through-hole 8, due to its length and conical structure, provides a larger filtration area and a finer filtration effect, further intercepting and blocking smaller coffee grounds, resulting in a clearer final coffee liquid and reducing the impact of coffee grounds on the taste.

[0045] The inner diameter of channel 5 decreases from bottom to top, a design that allows for further pressurization of the coffee liquid.

[0046] There are at least two outlets 6. The outlets 6 are tilted downwards to prevent coffee liquid from splashing outside the reservoir. The outlets 6 are connected to the upper end of the channel 5.

[0047] The total size of the outlet 6 is greater than the upper end of the channel 5, and this design can release the pressure of the coffee liquid.

[0048] The connection between the mounting head 1 and the connecting sleeve 2 is smooth, and the connection between the connecting sleeve 2 and the filter 11 is also designed to be smooth. This prevents coffee liquid from accumulating in dead corners, making it easier to clean the moka pot. The mounting head 1 has two vertical planes 10 on its surface, which make it easier for the user to rotate the mounting head 1.

[0049] Using the above structure, silicone sealing valve 3 and silicone sealing valve 4 are installed into the connecting sleeve 2, and the mounting head 1 is installed into the connecting sleeve 2. By squeezing the top of silicone sealing valve 4, the sealing performance between silicone sealing valve 3 and silicone sealing valve 4 and the inner wall of the connecting sleeve 2 can be ensured. The connecting sleeve 2 is installed on the upper end of the filter 11. When the high-temperature and high-pressure coffee liquid extracted by steam passes through through hole 7 and through hole 8 in sequence, the extraction pressure can be further increased, the extraction speed can be slowed down, and the oil content and concentration of the coffee can be increased.

[0050] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A three-valve moka pot, characterized in that: The device includes an installation head (1), a connecting sleeve (2), and a single-valve moka pot body (12). The connecting sleeve (2) is internally threaded with the installation head (1). The connecting sleeve (2) is provided with a silicone sealing valve one (3) and a silicone sealing valve two (4) from bottom to top. Both the silicone sealing valve one (3) and the silicone sealing valve two (4) are in clearance fit with the inner wall of the connecting sleeve (2). The silicone sealing valve 1 (3) and silicone sealing valve 2 (4) are respectively provided with through holes 1 (7) and 2 (8) in the vertical direction. The upper ends of the through holes 1 (7) and 2 (8) are in a sealed state when there is no external force. The mounting head (1) is provided with a vertical channel (5), which penetrates the bottom of the mounting head (1) and corresponds to the through hole 2 (8). The mounting head (1) is provided with an outlet (6) that communicates with the channel (5). The lower end of the connecting sleeve (2) is threaded to the upper end of the filter (11) of the single-valve moka pot body (12).

2. The three-valve structure moka pot according to claim 1, characterized in that: The connecting sleeve (2) has an annular end face for supporting the bottom of the silicone sealing valve (3). The silicone sealing valve (3) is cylindrical and has a cylindrical cavity in the middle corresponding to the through hole (8). The through hole (7) is located below the cylindrical cavity.

3. A three-valve structure moka pot according to claim 2, characterized in that: The silicone sealing valve 2 (4) is composed of two cylinders with different diameters, and the upper part of the silicone sealing valve 2 (4) is fitted with the channel (5) with a clearance. The lower end of the mounting head (1) is in contact with the end face of the waist of the silicone sealing valve 2 (4).

4. A three-valve structure moka pot according to claim 3, characterized in that: The surface of the silicone sealing valve 2 (4) is designed with an inward taper.

5. A three-valve structure moka pot according to claim 4, characterized in that: Both through hole one (7) and through hole two (8) are tapered, and the length of through hole two (8) is greater than that of through hole one (7).

6. A three-valve structure moka pot according to claim 5, characterized in that: The inner diameter of the channel (5) decreases from bottom to top.

7. A three-valve structure moka pot according to claim 6, characterized in that: There are at least two outlets (6), the outlets (6) are inclined downwards, and the outlets (6) are connected to the upper end of the channel (5).

8. A three-valve structure moka pot according to claim 7, characterized in that: The total size of the outlet (6) is greater than the upper end of the channel (5).

9. A three-valve structure moka pot according to claim 1, characterized in that: The mounting head (1) and the connecting sleeve (2) are smoothly connected, and the surface of the mounting head (1) is provided with two vertical planes (10).

10. A three-valve structure moka pot according to claim 1, characterized in that: A sealing ring (9) is provided between the mounting head (1) and the connecting sleeve (2) and between the connecting sleeve (2) and the upper inner wall of the filter (11).

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