Spray structure of coffee urn

By designing a spray cover and movable plate inside the coffee barrel, residue is prevented from falling into the chassis, solving the problems of difficult cleaning and low heating efficiency of traditional coffee barrels, achieving higher cleanliness and heating effect, and extending service life.

WO2025227451A1PCT designated stage Publication Date: 2025-11-06FOSHAN SHUNDE COLIA HARDWARE ELECTRICAL APPLIANCE CO LTD
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Patent Information

Application Number
PCT/CN2024/096277
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-04-28
Filing Date
2024-05-30
Publication Date
2025-11-06

AI Technical Summary

Technical Problem

During the coffee extraction process, coffee bean or ground coffee residue tends to fall onto the base of traditional coffee tins, making cleaning difficult, reducing heating efficiency, and affecting service life.

Method used

A spray structure for a coffee caddy was designed, including a spray cover, a spray pipe, and a movable plate. The spray cover covers the base, and the movable plate can move up and down to control the through hole, preventing residue from falling into the base. It is also securely connected to the base through a boss, thereby improving heating efficiency.

Benefits of technology

It effectively prevents residue from adhering to the chassis, improves the cleanliness and heating effect of the coffee barrel, extends its service life, and enhances ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

A spray structure of a coffee urn. A spray structure (100) is provided in a coffee urn, a base plate (200) is provided in the coffee urn, and a heating plate (210) is provided below the base plate (200). The spray structure (100) is provided with a spray cover (110), and the spray cover (110), serving as a base of the spray structure (100), is detachably placed on the base plate (200). The spray cover (110) is provided with a spray pipe (120), the bottom of the spray pipe (120) is connected to the spray cover (110), and the top of the spray pipe (120) is provided with a coffee screen (130). When the heating plate (210) heats a liquid in the coffee urn, the liquid boils and is then pumped upwards through the spray pipe (120) and sprayed out from a nozzle (131) provided on the coffee screen (130). A cavity (220) is formed between the spray cover (110) and the base plate (200), a plurality of through holes (111) are formed in the surface of the spray cover (110), a movable piece (121) capable of moving up and down is provided at the bottom of the spray pipe (120), and the movable piece (121) can close or open the through holes (111) when moving up and down. The design of the movable piece (121) and the spray cover (110) effectively prevents coffee grounds from adhering to the base plate (200), reduces the pollution of the base plate (200), avoids affecting the heating effect, and prolongs the service life of the coffee urn.
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Description

Spraying structure of coffee barrel TECHNICAL FIELD

[0001] The utility model relates to coffee barrel technical field, more specifically, it is a spraying structure of coffee barrel. BACKGROUND

[0002] Making American coffee usually needs certain equipment and tools to soak hot water in coffee powder, so as to extract coffee liquid. These devices include coffee machine, coffee pot and the like, and their design and structure are usually complex, which is not convenient to use, and in commercial occasions, it can not meet the demand of efficient and large-scale production of coffee. TECHNICAL PROBLEM

[0003] In view of the above problems, commercial coffee barrel emerges as the times require. Coffee barrel is a kind of electrical equipment, usually used in commercial occasions to make American coffee. It is usually composed of barrel-shaped container, heating device, spraying system and the like. Users usually put water or coffee powder processed in advance in the coffee barrel, then heat the water to the appropriate temperature by the heating device, and spray hot water on the coffee powder by the spraying system, so as to extract coffee liquid. Since its simple structure and convenient operation, commercial coffee barrel gradually becomes one of the main equipment for making American coffee in commercial places.

[0004] Traditional coffee barrel may have some problems in the process of extracting coffee, such as the residues of coffee beans or coffee powder falling on the bottom plate, which will adhere to the bottom plate after heating to form black spots or black blocks that are difficult to clean, affecting the service life and heating effect. The bottom plate in the traditional coffee barrel usually has a groove structure, and the residues are easy to accumulate and difficult to discharge, which leads to cleaning difficulty and affects the service life; the heating efficiency is low, and the production efficiency is low. Therefore, it is of great practical significance and market demand to improve the design and structure of coffee barrel, improve its cleanliness, heating efficiency and service life. TECHNICAL SOLUTION

[0005] Therefore, the utility model provides a spraying structure of coffee barrel.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a spray structure of coffee barrel, including spray structure, the spray structure is located in coffee barrel, the coffee barrel is equipped with the bottom disc, and the bottom disc is equipped with the heating disc under, the spray structure is equipped with the spray cover, and the spray cover can be detached and placed as the base of spray structure on the bottom disc, the spray cover is equipped with the spray pipe, and the spray pipe bottom is connected the spray cover, and the top is equipped with the coffee sieve, when the heating disc heats the liquid in coffee barrel, the liquid boils and is pumped up through the spray pipe and sprays from the spray head of coffee sieve, the cavity is formed between the spray cover and the bottom disc, the surface of spray cover is equipped with a plurality of through -hole, the spray pipe bottom is equipped with the movable flake that can move up and down, when the movable flake moves up and down, can close or open the through -hole, the spring is equipped between the spray pipe and coffee sieve.

[0008] In the preferred technical solution, the bottom disc is provided with a boss matching the size of the heating disc, the surface of the boss is a flat structure, the size and shape of the spray cover match the boss, and the spray cover is buckled on the boss to stably place the spray structure on the bottom disc.

[0009] In the preferred technical solution, the spray cover is a convex cover structure, so that the cavity is formed between the inside of the spray cover and the bottom disc.

[0010] In the preferred technical solution, the spray pipe is provided with an outwardly extending support ring, the spray cover is provided with a connecting hole in the center, the bottom end of the spray pipe passes through the spray cover through the connecting hole and is clamped on the spray cover through the support ring, and the through hole is located outside the connecting hole.

[0011] In the preferred technical solution, the bottom end of the spray pipe is provided with a fixing ring, the movable flake is provided with an opening, the movable flake is sleeved on the spray pipe through the opening, the movable flake is located above the fixing ring, and the movable flake can move up and down on the spray pipe between the fixing ring and the spray cover.

[0012] In the preferred technical solution, the coffee sieve is provided with a connecting groove at the bottom of the spray head, and the spray pipe is connected to the coffee sieve by embedding in the connecting groove.

[0013] In the preferred technical solution, the spray head is provided with a spray opening communicating with the spray pipe.

[0014] In the preferred technical solution, the bottom of the coffee sieve is provided with a plurality of sieve holes.

[0015] In the preferred technical solution, the side surface of the spray pipe is provided with a clamping ring for supporting the spring, the spring is sleeved on the spray pipe, and the top of the spring is tightly attached to the coffee sieve. Beneficial effects

[0016] Via the technical scheme, compared with the prior art, the utility model has the following beneficial technical effects:

[0017] Prolong the service life of coffee barrel: through the design of the movable sheet and the spray cover, effectively prevent the residue from adhering to the bottom tray, reduce the pollution of the bottom tray, avoid affecting the heating effect, prolong the service life of the coffee barrel;

[0018] Improve the cleanliness of the coffee barrel: the spray cover covers the bottom tray, effectively prevent the residue from falling directly on the bottom tray, reduce the cleaning work, improve the use convenience, the spray structure is convenient to disassemble and clean;

[0019] Improve the heating effect of the coffee barrel: the boss design on the bottom tray makes the heating area on the bottom tray and the spray structure stable connection, which is conducive to heating the liquid and improves the production efficiency of coffee; the spring plays a buffering role on the coffee sieve, prevents the coffee sieve from excessive shaking, reduces the impact sound, and improves the connection stability of the coffee sieve and the spray pipe.

[0020] Therefore, the technical scheme solves the problems existing in the traditional coffee barrel during the extraction of coffee, improves the cleanliness, heating effect and service life of the coffee barrel, and has high practical value and economic benefit. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only the embodiment of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor according to the provided drawings.

[0022] Fig. 1 is a cross-sectional structure schematic diagram of the utility model.

[0023] Fig. 2 is an exploded state cross-sectional structure schematic diagram of the utility model.

[0024] Fig. 3 is a three-dimensional structure schematic diagram of the utility model.

[0025] Fig. 4 is a local enlarged structure schematic diagram of Fig. 1.

[0026] Fig. 5 is a three-dimensional structure schematic diagram of the spray cover and the spray pipe.

[0027] 100, spraying structure; 200, bottom disc; 210, heat disc; 110, spraying cover; 120, spraying pipe; 130, coffee sieve; 131, spraying head; 220, cavity; 111, through hole; 121, movable piece; 220, boss; 122, support ring; 112, connecting hole; 123, fixed ring; 132, connecting groove; 133, spraying opening; 134, sieve hole; 140, spring; 124, snap ring. Embodiments of the present application

[0028] The present application will now be described in further detail by reference to the accompanying drawings. These drawings show only basic configurations of the present application, and thus they do not show all the specific structures of the present application. The purpose of these drawings is to assist in a comprehensive understanding of the present application, and thus they only show the configurations related to the present application.

[0029] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and thus cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be understood as limiting the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0030] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] A kind of coffee bucket spray structure, please refer to Figure 1-5, including spray structure 100, spray structure 100 is located in coffee bucket, coffee bucket is usually used in commercial use to make americano coffee appliance, coffee bucket is barrel structure, generally also include cover body, coffee bucket can contain water or extracted coffee;Coffee bucket is equipped with bottom disc 200, bottom disc 200 and the sidewall of coffee bucket form barrel structure, so that coffee bucket can contain liquid, the bottom disc 200 in the embodiment is circular structure, but its shape is not limited to the embodiment, in other embodiments, bottom disc 200 can be other shapes, the sidewall of coffee bucket and bottom disc 200 shape match, i.e. the shell of coffee bucket connected bottom disc 200 is cylindrical structure, the shell structure of coffee bucket is ignored in the drawing;Bottom disc 200 is equipped with heating disc 210 below, heating disc 210 heats and transfers heat to bottom disc 200 to heat the liquid in coffee bucket, spray structure 100 is equipped with spray cover 110, spray cover 110 as the base of spray structure 100 can be detached and placed on bottom disc 200, so that spray structure 100 can be directly taken out from coffee bucket without disassembly, facilitate user to clean coffee bucket or spray structure 100.

[0032] Further, spray cover 110 is equipped with spray pipe 120, the bottom of spray pipe 120 is connected with spray cover 110, and the top is equipped with coffee sieve 130, coffee sieve 130 is basin structure, can hold coffee beans or coffee powder for making coffee, when heating disc 210 heats the liquid in coffee bucket, the liquid is usually drinking water, after heating, the liquid is boiled, is pumped up through spray pipe 120 and is sprayed from spray head 131 provided in coffee sieve 130, and the water is sprayed on coffee beans or coffee powder to extract coffee liquid;Cavity 220 is formed between spray cover 110 and bottom disc 200, a plurality of through holes 111 are formed in the surface of spray cover 110;When traditional coffee bucket works, the fragments of coffee beans or coffee powder residues may fall on the bottom disc when extracting coffee by spray structure, and the residues will stick to the bottom disc to form black spots or black blocks after continuous heating, which is difficult to clean and affects the heating effect and service life of coffee bucket, especially the heating body with groove structure is used in the design of the previous coffee bucket, and the residues will accumulate on the bottom disc with groove structure matched therewith, so that the residues cannot be discharged and the speed of forming black spots or black blocks is accelerated, the bottom disc 200 is covered by spray cover 110 in the utility model, so that the residues are prevented from directly falling on the area of heating disc 210 corresponding to bottom disc 200, to overcome the shortcomings of traditional structure, when the residues on the outside of heating disc 210 of bottom disc 200 enter cavity 220, the liquid can stir the residues when boiling inside, and the residues are discharged outside spray cover 110 through through holes 111, to prevent the residues from sticking to bottom disc 200 after accumulating in cavity 220.

[0033] Further, the bottom of the spray pipe 120 is provided with a movable flapper 121 which can move up and down, and the movable flapper 121 can close or open the through hole 111 when moving up and down. When the coffee barrel is working, the liquid inside is boiled, and the rolling of the water in the cavity 220 can make the movable flapper 121 move up and down. When the movable flapper 121 moves up to cover the bottom of the through hole 111, it is closed, avoiding the residues from falling into the cavity 220 through the through hole 111. After the movable flapper 121 falls, the through hole 111 is opened, and the residues in the cavity 220 can be driven out of the spray cover 110 through the through hole 111 by the rolling of the water when boiling, ensuring that there is no accumulation of too much residue in the cavity 220, and the residues will not stick to the bottom tray 200 when the liquid boils and rolls. When the bottom tray 200 is heated, residues form black spots or black blocks on it, affecting the heating effect, ensuring that the spray structure 100 can work normally to spray and extract coffee beans or coffee powder, ensuring the extraction effect of coffee, and effectively prolonging the service life.

[0034] Further, the bottom tray 200 is provided with a boss 220 which matches the size of the heating disc 210. The surface of the boss 220 is a flat structure. The size ratio of the bottom tray 200 and the heating disc 210 is not limited to the specifications shown in the drawings of the embodiment. In different specifications of coffee barrels, larger or smaller bottom trays 200 and heating discs 210 can be provided to meet different use requirements. For example, the bottom tray 200 used in a smaller coffee barrel will be smaller, while a larger coffee barrel needs to use a larger bottom tray 200. Generally, the larger bottom tray 200 corresponds to a larger heating disc 210 to provide sufficient heating power to heat a larger capacity of liquid. The boss 220 is upwardly protruding on the bottom tray 200, and the size of the heating disc 210 matches the boss 220, so that the heating area on the bottom tray 200 corresponds to the boss 220. The upwardly protruding boss 220 can reduce the probability of coffee residues entering its surface from the outside. The flat structure of the boss 220 can also prevent residues above it from accumulating in a certain position, and is also conducive to the heating of the liquid. The boss 220 matches the size and shape of the spray cover 110, so that the spray cover 110 can be buckled on the boss 220 to stably place the spray structure 110 on the bottom tray 200. At the same time, the boss 220 can also be used for positioning when placing the spray structure 100, which is convenient for users to place the spray structure 100 in the coffee barrel.

[0035] Further, the spray cover 110 is a convex cover structure, so that the inner side and the bottom tray 200 form a cavity 220, the liquid in the cavity 220 boils and rolls after heating, so that the liquid can be smoothly pumped upward through the spray pipe 120, and the residue is prevented from accumulating on the convex 220; the lower part of the spray pipe 120 is provided with an outwardly extending support ring 122, the central part of the spray cover 110 is provided with a connecting hole 112, the size of the connecting hole 112 matches the spray pipe 120, the bottom end of the spray pipe 120 passes through the connecting hole 112 and is clamped on the spray cover 110 through the support ring 122, the support ring 122 and the connecting hole 112 form a clamping position, so that the spray pipe 120 is fixed after passing through the spray cover 110 and cannot continue to fall, ensuring that the bottom of the spray pipe 120 does not adhere to the bottom tray 200, so that water can be pumped upward through the spray pipe 120; the through hole 111 is arranged outside the connecting hole 112, so that the movable piece 121 is moved upward and adheres to the bottom of the spray cover 110 to close the through hole 111.

[0036] Further, the bottom end of the spray pipe 120 is provided with a fixing ring 123, the movable piece 121 is provided with an opening, the movable piece 121 is sleeved on the spray pipe 120 through the opening, the movable piece 121 is located above the fixing ring 123, in the process of machining, the spray pipe 120 is embedded in the spray cover 110, the movable piece 121 is sleeved on the bottom of the spray pipe 120, and finally the fixing ring 123 is welded on the spray pipe 120, the fixing ring 123 can prevent the spray cover 110 and the movable piece 121 from falling off, so that the spray cover 110, the movable piece 121 and the spray pipe 120 form an integral whole, and the movable piece 121 can move up and down between the fixing ring 123 and the spray cover 110.

[0037] Further, the coffee sieve 130 is provided with a connecting groove 132 at the bottom of the spray head 131, the spray pipe 120 is connected to the coffee sieve 130 by being embedded in the connecting groove 132, which facilitates the disassembly and assembly of the coffee sieve 130, and facilitates the user to take out the coffee sieve 130 alone for loading or replacing coffee beans or coffee powder; the spray head 131 is provided with a spray opening 133 communicating with the spray pipe 120, the water pumped from the spray pipe 120 is sprayed out through the spray opening 133, and can be smoothly sprayed onto the coffee beans or coffee powder on the coffee sieve 130, the bottom of the coffee sieve 130 is provided with a plurality of sieve holes 134, the coffee beans or coffee powder sprayed are extracted to form coffee liquid, and then fall into the bottom through the sieve holes 134 and mix with the liquid below the coffee sieve 130. Generally, the water level of the coffee barrel loaded with water is lower than the bottom of the coffee sieve 130, and the coffee beans or coffee powder on the coffee sieve 130 are extracted after being sprayed for several times, so that the water in the coffee barrel is completely formed into coffee liquid. The side of the coffee barrel is usually provided with a liquid outlet for discharging the coffee liquid.

[0038] Further, the spring 140 is arranged between the spraying pipe 120 and the coffee sieve 130; the spraying pipe 120 is provided with a clasp ring 124 for supporting the spring 140, the clasp ring 124 is integrally formed on the spraying pipe 120, the clasp ring 124 supports the bottom of the spring 140, the spring 140 is sleeved on the spraying pipe 120, the top of the spring 140 is close to the coffee sieve 130, generally, the bottom of the coffee sieve 130 is provided with a spring groove matched with the spring 140, the spring 140 can be accommodated in the spring groove, the spring 140 buffers the coffee sieve 130, prevents the coffee sieve 130 from shaking excessively, and improves the connection stability of the coffee sieve 130 and the spraying pipe 120.

[0039] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A spray structure of a coffee cartridge, comprising a spray structure (100), wherein the spray structure (100) is arranged in a coffee cartridge, characterized in that: The coffee barrel is internally provided with a bottom disc (200), and a heating disc (210) is arranged below the bottom disc (200); the spraying structure (100) is provided with a spraying cover (110) which is detachably arranged on the bottom disc (200) as a base of the spraying structure (100); the spraying cover (110) is provided with a spraying pipe (120) which is connected to the spraying cover (110) at the bottom and provided with a coffee sieve (130) at the top; when the heating disc (210) heats the liquid in the coffee barrel, the liquid is boiled, pumped upward through the spraying pipe (120) and sprayed out from a spraying head (131) arranged on the coffee sieve (130); a cavity (220) is formed between the spraying cover (110) and the bottom disc (200), a plurality of through holes (111) are arranged on the surface of the spraying cover (110), the bottom of the spraying pipe (120) is provided with a movable flapper (121) which can move up and down, the movable flapper (121) can close or open the through holes (111) when moving up and down, and a spring (140) is arranged between the spraying pipe (120) and the coffee sieve (130).

2. The shower structure of a coffee barrel according to claim 1, characterized in that: The bottom disc (200) is provided with a boss (220) which is matched in size with the heating disc (210), the surface of the boss (220) is a plane structure, the size and shape of the spraying cover (110) are matched with the boss (220), and the spraying cover (110) is buckled on the boss (220) to stably arrange the spraying structure (100) on the bottom disc (200).

3. The shower structure of a coffee barrel according to claim 1, characterized in that: The spraying cover (110) is a convex cover structure, so that the cavity (220) is formed between the inner side of the spraying cover (110) and the bottom disc (200).

4. The shower structure of a coffee cartridge according to claim 1, wherein: The spraying pipe (120) is provided with a support ring (122) which extends outward, the center of the spraying cover (110) is provided with a connecting hole (112), the bottom end of the spraying pipe (120) passes through the spraying cover (110) through the connecting hole (112) and is clamped on the spraying cover (110) through the support ring (122), and the through holes (111) are arranged outside the connecting hole (112).

5. The shower structure of a coffee cartridge according to claim 1, wherein: The bottom end of the spraying pipe (120) is provided with a fixing ring (123), the movable flapper (121) is provided with an opening, the movable flapper (121) is sleeved on the spraying pipe (120) through the opening, the movable flapper (121) is located above the fixing ring (123), and the movable flapper (121) can move up and down on the spraying pipe (120) between the fixing ring (123) and the spraying cover (110).

6. The shower structure of a coffee cartridge according to claim 1, wherein: The coffee sieve (130) is provided with a connecting groove (132) at the bottom of the spraying head (131), and the spraying pipe (120) is connected to the coffee sieve (130) by being embedded in the connecting groove (132).

7. The shower structure of a coffee cartridge according to claim 1, wherein: The spraying head (131) is provided with a spraying port (133) which is communicated with the spraying pipe (120).

8. The shower structure of a coffee cartridge according to claim 1, wherein: The bottom of the coffee sieve (130) is provided with a plurality of sieve holes (134).

9. The shower structure of a coffee cartridge according to claim 1, wherein: The spraying pipe (120) is provided with a snap ring (124) on the side surface for supporting the spring (140), the spring (140) is sleeved on the spraying pipe (120), and the top of the spring (140) is close to the coffee sieve (130).

Citation Information

Patent Citations

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