Multi-boiler coffee machine capable of efficiently controlling temperature

Abstract

The utility model discloses an efficient temperature control multi-boiler coffee machine which comprises an outer shell, a plurality of brewing heads are arranged on one side of the outer shell, each brewing head comprises a brewing head protection shell, a conveying pipe is arranged on the side face of each brewing head protection shell, a small boiler is arranged at one end of each conveying pipe, the conveying pipes are connected with the small boilers through screws, and an annular cabin is arranged at the other end of each conveying pipe. A clamping ring is arranged on the outer side of the annular cabin, three connecting screw rods are arranged on the clamping ring, the connecting screw rods are connected with the clamping ring through threads, a sealing cover is arranged above the annular cabin, and the connecting screw rods penetrate through the sealing cover to be connected with the sealing cover; the utility model has the advantages that the structure is stable, the brewing water temperature is convenient to regulate and control, the hot water transmission distance is reduced, and hot water temperature loss is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of coffee machine manufacturing, and in particular relates to a multi-boiler coffee machine with high-efficiency temperature control. Background Art

[0002] A coffee machine is a commonly used kitchen addition, mainly used to make coffee. It allows people to easily make delicious coffee and tea at home. There are many different types of coffee machines on the market, including automatic coffee machines, manual coffee machines, drip coffee machines, capsule coffee machines and espresso machines, etc. Each coffee machine has its own unique characteristics and advantages. In addition to making coffee, some high-end coffee machines are also equipped with a variety of functions, such as steam wands, milk frothers, grinders, etc., which can make coffee and tea with various tastes and flavors.

[0003] Common coffee machines usually use large boilers to supply hot water, which makes it difficult to control the water temperature at the brewing head for brewing and extracting coffee. When brewing different coffees, it is impossible to enhance the extraction effect by adjusting the water temperature. At the same time, because the internal water supply pipeline is curved and slender, when the boiler supplies water to the brewing head, the hot water easily forms heat exchange with the external machine, resulting in heat loss, affecting the coffee brewing effect. Utility Model Content

[0004] The utility model aims to provide a multi-boiler coffee machine with efficient temperature control in order to solve the problems that the traditional coffee machine is difficult to control the brewing water temperature and the hot water easily loses heat during the transportation process.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: comprising an outer shell, a plurality of brewing heads are arranged on one side of the outer shell, the brewing head comprises a brewing head protective shell, a delivery pipe is arranged on the side of the brewing head protective shell, a small boiler is arranged at one end of the delivery pipe, the delivery pipe is connected to the small boiler by screws, an annular cabin is arranged at the other end of the delivery pipe, a clamping ring is arranged on the outer side of the annular cabin, three connecting screws are arranged on the clamping ring, the connecting screws are connected to the clamping ring by threads, a sealing cover is arranged above the annular cabin, and the sealing cover is penetrated and connected by the connecting screws.

[0006] Furthermore, a cold water inlet is provided on the pipe wall of the delivery pipe, a cold water pipe fitting is provided on the outside of the cold water inlet, the cold water pipe fitting is sealed and connected to the cold water inlet, a solenoid valve is provided under the cold water pipe fitting, the solenoid valve is connected to the cold water pipe fitting and the delivery pipe through a snap, a metal water pipe is provided on the inside of the cold water pipe fitting, one end of the metal water pipe passes through the cold water pipe fitting and is sealed and connected to the solenoid valve.

[0007] Furthermore, a cold water outlet hole is provided at the bottom of the annular cabin, a plurality of hot water outlet holes are provided outside the cold water outlet hole, the other end of the metal water pipe is fixedly connected to the cold water outlet hole, and the annular cabin is directly connected to the hollow pipeline in the delivery pipe.

[0008] Furthermore, two L-shaped legs are fixedly provided at the bottom of the small boiler, and the L-shaped legs are connected to the inner wall of the outer shell by screws. A heating rod is provided on the inner side of the small boiler, and the heating rod is connected to the small boiler by a buckle.

[0009] Furthermore, a plurality of steam pipes are provided on both sides of the brewing head, a water receiving tank is provided below the brewing head, a large boiler is provided inside the outer shell, a water pump motor is provided on one side of the large boiler, and the water pump motor is connected to the large boiler and a plurality of small boilers through pipelines.

[0010] Furthermore, a diverter pipe is provided at the output end of the water pump motor, and the output end of the water pump motor is connected to the diverter pipe through a pipeline. A plurality of gear pumps are provided at the output end of the diverter pipe, and the diverter pipe is connected to the gear pump through a pipeline. A diverter valve is provided at the output end of the gear pump, and the other end of the diverter valve is connected to the small boiler through a pipeline, and the diverter valve is connected to the solenoid valve through a pipeline.

[0011] Furthermore, a drainage box is fixedly provided on the side of the water receiving trough, a filter grille is provided on the inner side of the water receiving trough, the drainage box is connected to the large boiler through a pipeline, and the filter grille is connected to the water receiving trough through a buckle.

[0012] Furthermore, the steam pipe is connected to the outer shell by screws, and one end of the steam pipe is connected to the large boiler by a pipeline and a valve.

[0013] Beneficial effects: The utility model has reasonable design and has the following beneficial effects:

[0014] 1. In the solution of the utility model, a cold water pipe is separately arranged inside the brewing head, and cold and hot water are mixed in the external coffee extraction pot. The cold water output is precisely controlled by the solenoid valve to adjust the ratio of cold and hot water, so as to facilitate the adjustment of the water temperature for brewing coffee;

[0015] 2. In the solution of the utility model, a heating boiler is separately provided on each brewing head to prevent the hot water from cooling down during long-distance transportation, resulting in the water temperature fluctuating when brewing coffee and affecting the brewing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal partial structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a large boiler of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the brewing head of the utility model;

[0020] Figure 5 This is a cross-sectional view of the brewing head structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the delivery pipe of the utility model;

[0022] Figure 7 This is a schematic diagram of the water receiving trough structure of the utility model.

[0023] In the figure: 1-outer shell, 2-brewing head, 3-steam pipe, 4-water tank, 5-large boiler, 6-water pump motor;

[0024] 21-brewing head protective shell, 22-delivery pipe, 23-small boiler, 24-annular cabin, 25-clamping ring, 26-connecting screw, 27-sealing cover, 41-drainage box, 42-filter grid, 61-diverter pipe fittings, 62-gear pump, 63-diverter valve;

[0025] 221-cold water inlet, 222-cold water pipe fittings, 223-solenoid valve, 224-metal water pipe, 231-L-shaped support foot, 232-heating rod, 241-cold water outlet, 242-hot water outlet. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Combination Figures 1 to 7 A high-efficiency temperature-controlled multi-boiler coffee machine shown in the figure comprises an outer shell 1, a plurality of brewing heads 2 are arranged on one side of the outer shell 1, the brewing heads 2 comprise a brewing head protective shell 21, a delivery pipe 22 is arranged on the side of the brewing head protective shell 21, a small boiler 23 is arranged at one end of the delivery pipe 22, the delivery pipe 22 is connected to the small boiler 23 by screws, an annular cabin 24 is arranged at the other end of the delivery pipe 22, a clamping ring 25 is arranged on the outer side of the annular cabin 24, three connecting screws 26 are arranged on the clamping ring 25, the connecting screws 26 are connected to the clamping ring 25 by threads, a sealing cover 27 is arranged above the annular cabin 24, and the sealing cover 27 is penetrated and connected by the connecting screws 26.

[0028] A cold water inlet 221 is provided on the wall of the delivery pipe 22, a cold water pipe fitting 222 is provided on the outside of the cold water inlet 221, the cold water pipe fitting 222 is sealed and connected to the cold water inlet 221, a solenoid valve 223 is provided below the cold water pipe fitting 222, the solenoid valve 223 is connected to the cold water pipe fitting 222 and the delivery pipe 22 by a buckle, a metal water pipe 224 is provided on the inside of the cold water pipe fitting 222, one end of the metal water pipe 224 penetrates the cold water pipe fitting 222 and is sealed and connected to the solenoid valve 223, the solenoid valve 223 delivers the cold water to the inside of the brewing head 2 through the cold water pipe fitting 222 and the delivery pipe 22, the solenoid valve 223 accurately controls the proportion of the cold water input, and adjusts the water temperature after the cold and hot water are mixed;

[0029] A cold water outlet 241 is provided at the bottom of the annular cabin 24, and a plurality of hot water outlets 242 are provided outside the cold water outlet 241. The other end of the metal water pipe 224 is fixedly connected to the cold water outlet 241. The annular cabin 24 is directly connected to the hollow pipe in the delivery pipe 22. The hot water enters the coffee pot through the hot water outlet 242. The cold water enters the external coffee extraction pot and mixes with the hot water to adjust the water temperature for brewing coffee.

[0030] Two L-shaped legs 231 are fixedly provided at the bottom of the small boiler 23. The L-shaped legs 231 are connected to the inner wall of the outer shell 1 by screws. A heating rod 232 is provided inside the small boiler 23. The heating rod 232 is connected to the small boiler 23 by a buckle. The heating rod 232 heats the water in the small boiler 23 and then delivers it to the annular cabin 24 through the delivery pipe 22.

[0031] A plurality of steam pipes 3 are provided on both sides of the brewing head 2, a water receiving tank 4 is provided below the brewing head 2, a large boiler 5 is provided inside the outer shell 1, a water pump motor 6 is provided on one side of the large boiler 5, the water pump motor 6 is connected to the large boiler 5 and a plurality of small boilers 23 through a pipeline, the water pump motor 6 sends water into the boiler through the pipeline, and the water spilled during the coffee brewing process falls into the water receiving tank 4;

[0032] A diverter pipe 61 is provided at the output end of the water pump motor 6, and the output end of the water pump motor 6 is connected to the diverter pipe 61 through a pipeline. A plurality of gear pumps 62 are provided at the output end of the diverter pipe 61, and the diverter pipe 61 is connected to the gear pump 62 through a pipeline. A diverter valve 63 is provided at the output end of the gear pump 62, and the other end of the diverter valve 63 is connected to the small boiler 23 through a pipeline, and the diverter valve 63 is connected to the solenoid valve 223 through a pipeline. The gear pump 62 pumps the water in the pipeline to the diverter valve 63, and the diverter valve 63 disperses and transports the water to the small boiler 23 and the solenoid valve 223;

[0033] A drainage box 41 is fixedly provided on the side of the water receiving tank 4, a filter screen 42 is provided inside the water receiving tank 4, the drainage box 41 is connected to the large boiler 5 through a pipeline, and the filter screen 42 is connected to the water receiving tank 4 through a buckle, so as to facilitate the drainage of water in the water receiving tank 4 and the large boiler 5;

[0034] The steam pipe 3 is connected to the outer shell 1 by screws, and one end of the steam pipe 3 is connected to the large boiler 5 by a pipeline and a valve, so that the large boiler 5 can transport hot steam to the steam pipe 3.

[0035] Working principle: When the utility model is in use, the water pump motor is started to send water into the large boiler. In addition, water is pumped to several small boilers through the water distribution pipe fittings connected to the water pump motor and the gear pump. After the water in the large boiler and the small boiler is heated by the built-in heating rod of the boiler, the coffee extraction pot is clamped into the clamping ring, and the boiler is pressurized by other equipment to make the hot water and steam mixed gas liquid enter the annular cabin through the delivery pipe and enter the coffee extraction pot through the hot water outlet. At the same time, the solenoid valve is used to control the cold water to be transported from the cold water pipe fittings and the metal water pipe to the cold water outlet, and then enter the coffee extraction pot to mix with the hot water. The water temperature for brewing coffee is adjusted by accurately controlling the cold water delivery amount to change the ratio of cold and hot water.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-boiler coffee machine with high efficiency and temperature control, comprising an outer shell (1), wherein one side of the outer shell (1) is provided with a plurality of brewing heads (2), characterized in that: The brewing head (2) comprises a brewing head protective shell (21), a delivery pipe (22) is provided on the side of the brewing head protective shell (21), a small boiler (23) is provided at one end of the delivery pipe (22), the delivery pipe (22) and the small boiler (23) are connected by screws, an annular chamber (24) is provided at the other end of the delivery pipe (22), a clamping ring (25) is provided on the outer side of the annular chamber (24), three connecting screws (26) are provided on the clamping ring (25), the connecting screws (26) and the clamping ring (25) are connected by threads, a sealing cover (27) is provided above the annular chamber (24), and the sealing cover (27) is penetrated and connected by the connecting screws (26).

2. The multi-boiler coffee machine with high efficiency temperature control according to claim 1, characterized in that: A cold water inlet (221) is provided on the pipe wall of the delivery pipe (22), a cold water pipe fitting (222) is provided on the outside of the cold water inlet (221), the cold water pipe fitting (222) is sealedly connected to the cold water inlet (221), a solenoid valve (223) is provided below the cold water pipe fitting (222), the solenoid valve (223) is connected to the cold water pipe fitting (222) and the delivery pipe (22) by means of a buckle, a metal water pipe (224) is provided on the inside of the cold water pipe fitting (222), one end of the metal water pipe (224) passes through the cold water pipe fitting (222) and is sealedly connected to the solenoid valve (223).

3. The multi-boiler coffee machine with high efficiency temperature control according to claim 2, characterized in that: A cold water outlet hole (241) is provided at the bottom of the annular cabin (24), a plurality of hot water outlet holes (242) are provided outside the cold water outlet hole (241), the other end of the metal water pipe (224) is fixedly connected to the cold water outlet hole (241), and the annular cabin (24) is directly connected to the hollow pipeline in the delivery pipe (22).

4. The multi-boiler coffee machine with high efficiency temperature control according to claim 3, characterized in that: Two L-shaped legs (231) are fixedly provided at the bottom of the small boiler (23), and the L-shaped legs (231) are connected to the inner wall of the outer shell (1) by screws. A heating rod (232) is provided on the inner side of the small boiler (23), and the heating rod (232) is connected to the small boiler (23) by buckles.

5. The multi-boiler coffee machine with high efficiency temperature control according to claim 4, characterized in that: A plurality of steam pipes (3) are provided on both sides of the brewing head (2), a water receiving tank (4) is provided below the brewing head (2), a large boiler (5) is provided inside the outer shell (1), a water pump motor (6) is provided on one side of the large boiler (5), and the water pump motor (6) is connected to the large boiler (5) and a plurality of small boilers (23) through pipelines.

6. The multi-boiler coffee machine with high efficiency temperature control according to claim 5, characterized in that: The output end of the water pump motor (6) is provided with a flow dividing pipe (61), the output end of the water pump motor (6) is connected to the flow dividing pipe (61) through a pipeline, the output end of the flow dividing pipe (61) is provided with a plurality of gear pumps (62), the flow dividing pipe (61) is connected to the gear pump (62) through a pipeline, the output end of the gear pump (62) is provided with a flow dividing valve (63), the other end of the flow dividing valve (63) is connected to the small boiler (23) through a pipeline, and the flow dividing valve (63) is connected to the solenoid valve (223) through a pipeline.

7. The multi-boiler coffee machine with high efficiency temperature control according to claim 5, characterized in that: A drainage box (41) is fixedly provided on the side of the water receiving trough (4), a filter grille (42) is provided inside the water receiving trough (4), the drainage box (41) is connected to the large boiler (5) via a pipeline, and the filter grille (42) is connected to the water receiving trough (4) via a buckle.

8. The multi-boiler coffee machine with high efficiency temperature control according to claim 7, characterized in that: The steam pipe (3) is connected to the outer shell (1) via screws, and one end of the steam pipe (3) is connected to the large boiler (5) via a pipeline and a valve.

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