CN101411590A - Device for interchanging pouring box of coffee-making machine - Google Patents

Abstract

The interchangeable device of the brewing box of the coffee machine comprises a cavity opened on the body wall, a compression plug capable of axially moving in the cavity, and an interchangeable plug capable of horizontal movement in the opening of the cavity wall. For container boxes, the upper cover of the container box has a working surface that can be pressed or loosened with the lower end surface of the compression plug. The water inlet hole in the middle of this working surface is aligned with the water outlet hole on the lower end surface of the compression plug. The brewing box is replaceable, and the liquid outlet hole at the bottom of the container box communicates with the cavity outlet hole. An interchangeable drawer-type container box is designed, which can adapt to various coffee packaging styles and realizes one machine with multiple functions. The compression plug that moves axially in the chamber solves the need for high-pressure brewing of coffee that requires a high-pressure sealed brewing box. The drawer-type brewing box located in the longitudinal opening under the cavity can be quickly and conveniently taken out and replaced with different packaging methods. Coffee, whether it is coffee pods or capsules or loose coffee powder can be brewed in a coffee machine to produce a delicious coffee.

Description

Interchange device for brewing box of coffee machine

technical field

The invention relates to a coffee machine, in particular to an exchange device for a brewing box of a coffee machine.

Background technique

In addition to coffee powder, the coffee drinks currently on the market are also made into soft bags, which are commonly known as coffee bags, and hard packaging with aluminum-plastic composites, also known as capsule coffee. However, the general coffee machine is designed with a single coffee brewing box, which is not interchangeable with different coffee packaging methods. The machine that can make loose coffee powder cannot make coffee capsules or coffee pods, and the machine that can make coffee capsules cannot make loose coffee powder. Or coffee pods, the machine that can make coffee pods can't make loose coffee powder or coffee capsules, its single function can't meet the needs of many customers, objectively also caused customers to need multiple machines for different packaging, increasing the Use cost and wasted placement space. For example, CN200973629Y proposes a dual-purpose pressure coffee machine. The filter cup is added to press the edge of the coffee bag to form a sealed upper and lower cover of the coffee bag. The middle of the upper cover is provided with a water hole and/or a water channel. Inner concave arc surface, the upper part of the lower cover is provided with an inner concave arc surface, which are respectively close to the two outer surfaces of the coffee bag. When brewing coffee powder, you only need to remove the upper and lower covers of the coffee bag and place the coffee powder directly. in the filter cup. The technical problem that still exists in this kind of coffee machine is, what structure produces the pressure that the upper cover and the lower cover of the filter cup are pressed against each other, and how to tightly seal the two outer surfaces of the coffee pod without pressure. Furthermore, after the upper and lower covers of the filter cup are removed, the pressure of the hot water for brewing coffee powder will decrease, and it will not be able to keep warm, so the coffee machine will lose the characteristics of high-pressure heat preservation for brewing coffee. This kind of coffee machine can only brew coffee pods, not coffee pods. Brewing coffee powder does not have versatility, and there is no specific structure for quick installation and removal of the filter cup, and the interchangeable function of brewing coffee pods or coffee powder cannot be implemented specifically.

Contents of the invention

The technical problem to be solved by the present invention is to provide a device for exchanging brewing boxes for coffee machines, aiming at the problems existing in the above-mentioned coffee machines, so that the same coffee machine can brew a variety of coffee packaging styles, and at the same time, it is quick and easy to exchange, Keep high water pressure and high water temperature to brew mellow coffee beverage with good taste.

The design scheme of the present invention is: the interchange device of the brewing box of the coffee machine, comprising a cavity opened on the body wall, characterized in that a compression plug that can move axially in the cavity, and a compression plug that can move in the cavity An interchangeable container box that moves horizontally in the opening of the wall. The upper cover of the container box has a working surface that can be compressed or loosened with the lower end surface of the compression plug. The water outlet holes on the end faces are aligned, the middle of the container box is an exchangeable brewing box, and the liquid outlet hole at the bottom of the container box communicates with the cavity outlet hole.

The outer wall of the container box fits in shape and size corresponding to the inner wall of the transverse opening of the cavity.

The container box is capable of respectively accommodating brewing boxes with substantially the same external dimensions, such as coffee powder boxes, coffee bag boxes or coffee capsule boxes.

The lower end surface of the compression plug is provided with a hot water interface and an interface sealing ring connected with the upper end surface of the container lid, and the compression plug is provided with a hot water pipe joint and a sealing ring connected to high-pressure hot water.

The beneficial effect of the above-mentioned design is that a coffee machine can brew coffees with different packaging methods, and an interchangeable drawer-type container box is designed, which can adapt to various coffee packaging styles, and realizes one machine with multiple functions. The pressing plug that moves axially in the cavity solves the problem of high-pressure brewing coffee requiring a high-pressure sealed brewing box. The bucket-type brewing box located in the longitudinal opening under the cavity can be quickly and conveniently taken out and replaced with different packaging methods. Coffee, whether it is coffee pods or capsules or bulk coffee powder, can brew mellow and delicious coffee in a coffee machine, adapting to the needs of different packaging methods.

Description of drawings

Fig. 1 is a cross-sectional structure diagram of a brewing box of a coffee machine in a non-working state.

Fig. 2 is an exploded view of the structural components of the brewing box.

Fig. 3a is a perspective view of the compression plug, and Fig. 3b is a perspective view of the cavity.

Fig. 4 is a sectional view of the brewing box for brewing ground coffee.

Fig. 5 is a cross-sectional view of the brewing box for brewing coffee pods.

Fig. 6 is a sectional view of the brewing box for brewing coffee capsules.

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1, 2, and 3, a compression plug 2 that can move up and down along the axial cavity wall is provided in the axial cavity 11 of the cavity body 1, and a transverse opening 10 is set at the lower part of the cavity body 1, where the transverse opening 10 A horizontally movable drawer-type container box 8 is arranged in the cavity, and a brewing cup 7 is arranged in the container box 8. The outer wall of the container box 8 has the same shape as the inner wall of the transverse opening 10 of the cavity body 1, both of which are square entrances, and their sizes are mutually Correspondingly fitting, in order to accommodate cylindrical or truncated conical brewing cups 7 with different shapes in the container box 8, the heights of the drawer container boxes should be equal so that the cylindrical or truncated conical brewing cups 7 can be mutually Change, such as changing the coffee powder box to a coffee pod box or a coffee capsule box. The container box 8 is guided horizontally by the cavity wall and the bottom surface. When the container box 8 moves in the horizontal square opening 10 of the cavity body 1, the container box enters and exits the cavity like a pull-push drawer, which facilitates replacement of the brewing box and cleaning.

The opening end of the brewing cup 7 is provided with a brewing sealing ring 5, which is used for tight sealing between the brewing cup 7 and the container flip 4, and a filter screen 6 is set between the sealing ring 5 and the container flip 4, and the upper filter screen 6 is embedded in the inner ring of the sealing ring 5, and the frustum-shaped brewing cup 7 is sealed by the flip cover 4 of the container. The upper end surface 42 of the container flip cover 4 can be a plane or a convex surface or a corrugated surface, and it must correspond to the lower end surface 22 of the compression plug 2 . The middle of the flip cover 4 of the container is concave inward, and in the middle of the inner concave surface is an upwardly convex high-pressure hot water connection 41. This high-pressure hot water connection 41 is aligned with the middle high-pressure hot water pipe 3 connection of the lower end surface 22 of the movable compression plug 2. And fit, the periphery of the two is sealed by the interface sealing ring 43 in order to prevent high-pressure hot water injection. A filter screen 61 is set at the bottom of the brewing cup 7 . The rear upper end of the container box 8 is provided with a block 12 which is movably connected with the block 13 at the rear end of the container flip 4, and is used to turn up or close the container flip 4, and the brewing cup 7 is tightly sealed when closing. The front end of the container box 8 is a handle 14 opening downwards, so that the container box 8 can be pulled out or pushed horizontally from the transverse opening 10 of the cavity 1 like a drawer. The lower end of the container box 8 rear portion sets the positioning block 15, which matches with the positioning hole located on the rear wall of the cavity 1. When the positioning block 15 of the container box 8 is pushed into the cavity wall 11, the positioning block 15 enters the cavity. In the positioning hole of the body rear wall, the water outlet hole of the high-pressure hot water pipe 3 of the high-pressure hot water hole 41 in the middle of the container flip 4 working surface and the compression plug 2 lower end working surface 22 is just in time to align.

The container box 8 in Fig. 2 is a brewing box for releasing coffee powder. Figure 4 shows a brewing box for loose ground coffee. The loose coffee powder brewing box includes an interface sealing ring 43, a container flip cover 4, an upper sealing ring 5, an upper filter 6, a conical brewing cup 7 and a lower filter 61, and its structure is the same as that shown in Figure 1 and will not be repeated. , under the program control of the coffee machine control system, about 15 atmospheric pressure and about 95°C temperature are generated to brew coffee powder, and a mellow and delicious coffee beverage can be obtained from the brewing cup 7 .

Figure 3b shows that when the pressure of the pressing plug 2 of the coffee machine is released, the container box 8 can be pulled out from the transverse opening 11 of the cavity, moved to the outside or cleaned or exchanged to accommodate brewing cups of other packaging styles, Such as a coffee pod cup or a coffee capsule cup, in order to facilitate the exchange of the brewing cup 7 in the container box 8, the shape and size of the outer wall of the container box correspond to the shape and size of the inner wall of the transverse opening of the cavity.

As shown in Figure 5, the coffee pod brewing box includes an interface sealing ring 43, a container flip cover 4, an upper sealing ring 5, an upper filter screen 6, a cylindrical brewing cup 7, a lower filter screen 61 and a fixed Rack 18. The cylindrical brewing cup 7 is supported by the fixing frame 18 and the lower sealing ring 51 and sealed by the container flip 4 and the upper sealing ring 5 . The upper filter screen 6 is embedded in the middle of the reversible container flip cover 4 and the upper sealing ring 5, the upper working surface 42 of the flip cover and the high-pressure hot water interface 41 are opposite to the interface of the high-pressure hot water pipe 3 in the middle of the lower end surface 22 of the compression plug 2 connected, and sealed by the interface sealing ring 43, preventing high-pressure water from leaking. The high-pressure hot water pipe 3 enters the upper filter screen 6 through the high-pressure hot water interface 41 in the middle of the container cover 4 and injects it into the cylindrical brewing cup 7. The upper end of the liquid outlet hole 9 of the container box 8 is surrounded by a connecting sealing ring 52 and a spacer. 17 to increase sealing and heat preservation. The upper filter 6 is embedded in the middle of the upper sealing ring 5. When brewing coffee pods, if the added water pressure is the same as that of brewing coffee powder, about 15 atmospheric pressure and about 95°C The high-pressure hot water flows into the coffee brewing cup 7, and the container flip cover 4 is under the vertical pressure of the compression plug 2. The upper sealing ring 5 and the lower sealing ring 51 will flow into the brewing box and the high-pressure hot water is sealed and kept warm. Under the program control of the control system, the mellow and delicious coffee liquid can also be obtained from the brewing cup 7.

As shown in Figure 6, it is a coffee capsule brewing box, which includes an interface sealing ring 43, a container flip 4 and a conical brewing cup 7, and the brewing cup 7 connected with the container flip 4 is inverted on the bottom of the container box 8 and On the periphery of the cup-shaped coffee capsule 24 , the mouth of the coffee capsule 24 faces downwards, the bottom of the container box 8 is a ceramic filter 61 , and the coffee outlets 9 are evenly distributed in the mesh of the ceramic filter 61 . The coffee capsule 24 is buckled upside down on the ceramic filter screen 61, and the brewing sealing ring 26 and the fixed ring 25 are also established between the container flip 4 lower end and the coffee capsule to strengthen the sealing and heat preservation effect, and improve the brewing effect and mouthfeel. The movable block 13 on the container flip cover 4 is arranged in the middle of the inner wall of the container box 8, so that the container flip cover can be rotated to take out the brewing cup 7. Since the outer shell of the coffee capsule is packed in a hard shell, the hard shell must be pierced during the brewing process In order to infiltrate and brew high-pressure hot water, a number of needles 20 are provided in the middle of the working surface 44 under the flip cover 4 of the container. Under the vertical pressure of the compression plug 2, the needles 20 quickly pierce the hard shell of the capsule and drain high-pressure hot water for brewing. The coffee powder in the capsule, under the program control of the coffee machine control system, maintains a brewing condition of about 15 atmospheres and about 95°C to obtain a mellow and good-tasting coffee drink.

The above three embodiments are only the main varieties of the existing packaging forms of coffee machine brewing boxes. With the diversification of people's hobbies and tastes, more packaging styles will appear. The present invention designs interchangeable drawer-type containers The box can adapt to various packaging styles of coffee, so the protection scope of the present invention is not limited by the above-mentioned embodiments.

Claims (10)

1. The interchangeable device of the brewing box of the coffee machine, including a cavity opened on the body wall, is characterized in that: a compression plug that can move axially in the cavity, and a compression plug that can be inserted into the opening of the cavity wall Interchangeable container box for horizontal movement, the upper cover of the container box has a working surface that can be pressed or loosened with the lower end surface of the compression plug, the water inlet hole in the middle of the working surface and the water outlet hole on the lower end surface of the compression plug In alignment, the middle of the container box is an exchangeable brewing box, and the liquid outlet hole at the bottom of the container box communicates with the cavity outlet hole. 2. The interchangeable device for brewing boxes of coffee machines according to claim 1, characterized in that the outer wall of the container box and the inner wall of the transverse opening of the cavity are fitted correspondingly in shape and size. 3. The interchangeable device for brewing boxes of coffee machines according to claim 1, characterized in that a horizontally movable drawer-type container box is provided in the lower transverse opening of the cavity. 4. The interchangeable device for brewing boxes of a coffee machine according to claim 3, characterized in that the drawer-type container boxes (8) are of equal height. 5. The interchangeable device for brewing boxes of coffee machines according to claim 1, characterized in that the front end of the container box (8) is a handle (14) opening downwards. 6. The coffee machine brewing box interchange device according to claim 1, characterized in that the lower end of the rear part of the container box (8) is provided with a positioning block ( 15). 7. The interchangeable device for brewing boxes of coffee machines according to claim 1, characterized in that said container boxes are capable of respectively accommodating cylindrical or truncated conical brewing cups (7) with substantially the same external dimensions. 8. The coffee machine brewing box interchange device according to claim 1, characterized in that the brewing box is a loose coffee powder brewing box, including an interface sealing ring (43), a container flip cover (4), an upper Sealing ring (5), upper filter screen (6), truncated conical brewing cup (7) and lower filter screen (61), the conical truncated brewing cup (7) is sealed by container flip (4). 9. The interchangeable device for brewing boxes of coffee machines according to claim 1, characterized in that the brewing box is a coffee bag brewing box, including an interface sealing ring (43), a container flip (4), an upper sealing Ring (5), upper filter screen (6), cylindrical brewing cup (7) and lower filter screen (61), cylindrical brewing cup (7) is supported by the fixing frame (18) and the lower sealing ring (51) And be sealed by container flip cover (4) and upper sealing ring (5). 10. The interchangeable device for coffee machine brewing boxes according to claim 1, characterized in that the brewing box is a coffee capsule brewing box, including an interface sealing ring (43), a container flip (4) and a truncated cone The brewing cup (7), the truncated conical brewing cup (7) connected together with the container flip cover (4) is buckled upside down at the bottom of the container box (8).

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