Heating steam engine

Abstract

The utility model discloses a heating steam engine which comprises a steam engine body and a water receiving disc, and the water receiving disc is arranged below a heating pipe of the steam engine body. A two-position three-way valve is connected between a steam outlet of the steam engine body and the heating pipe, an A-path inlet of the two-position three-way valve is communicated with the steam outlet, a B-path inlet of the two-position three-way valve is communicated with the heating pipe, and a C-path inlet of the two-position three-way valve is communicated with an atmosphere through pipe; and an outlet of the atmosphere through pipe is arranged on the water pan. In the embodiment of the invention, the mode that the two-position three-way valve is connected with the steam outlet and the heating pipe is adopted, and the loop outlet communicated with the atmosphere is placed on the water pan, so that the purposes of reducing back suction and discharging water vapor generated in the back suction and the loop through the water pan are achieved, and the technical effect of reducing random dripping of the water vapor is achieved; therefore, the problems of pollution, equipment size increase and the like caused by the fact that water vapor drops at will or is contained in other containers are solved.

Description

Technical Field

[0001] The present application relates to the field of steam engines, and in particular to a heating steam engine. Background Art

[0002] As the weather gets colder, hot milk tea is gradually chosen by more and more people, which inevitably requires the use of a steam machine, which sprays high-temperature steam into the drink to heat the drink.

[0003] Traditional steam engines use a two-position, two-way valve between the steam tank and the heating tube to control the air outlet; therefore, during use, when the steam engine is finished heating, the valve body is closed, and negative pressure is formed in the air outlet section of the pipeline. Due to the influence of air pressure, back suction is easily generated and the valve switch is hit, which can easily cause damage to the valve body; and when the restaurant staff takes away the drinks, if they do not perform a spray operation to discharge the drinks from the heating tube, the drinks will remain in the heating tube. When it is used again, the protein may carbonize and adhere to the inner wall of the heating tube, causing the heating tube to be blocked.

[0004] In the existing patents, there is already a technical solution for replacing a two-position two-way valve with a two-position three-way valve. When the valve body is closed, since the high-temperature steam in the pipeline connected to the two-position three-way valve is connected to the atmosphere, water vapor will be generated in the pipeline. The problem of water vapor is usually ignored in the existing solutions. At the equipment use site, the dripping water vapor will be collected by a container, or connected to a hose and placed in a water collection tray, which is not only unsightly, but also affects the on-site operation.

[0005] In addition, when the operator presses the power-off switch of the valve body, the valve body will have a certain reaction time, and a small amount of beverage and steam will still be sucked back from the heating tube, contaminating and hitting the valve body, causing damage to the valve body and affecting the service life of the equipment. Summary of the invention

[0006] The main purpose of the present application is to provide a heating steam engine to solve the problems of steam and beverage back-absorption, random dripping of water vapor or pollution caused by adding other containers, and increased equipment volume.

[0007] In order to achieve the above objective, according to one aspect of the present application, a heating steam engine is provided.

[0008] The heating steam engine according to the present application includes: a steam engine body, and a water receiving tray, the water receiving tray is below the heating tube of the steam engine body; a two-position three-way valve is connected between the steam outlet of the steam engine body and the heating tube, the A-way inlet of the two-position three-way valve is connected to the steam outlet, the B-way inlet of the two-position three-way valve is connected to the heating tube, and the C-way inlet of the two-position three-way valve is connected to the atmosphere passage; the outlet of the atmosphere passage is on the water receiving tray.

[0009] Furthermore, a shelf plate with mesh holes is provided in the water receiving tray, and a drainage port is provided at the bottom of the water receiving tray.

[0010] Furthermore, water retaining plates are arranged upwards on the edges of all four sides of the water receiving tray.

[0011] Furthermore, a cleaning port is provided on the shelf plate, and a push-type cup washer is installed in the water receiving tray at the cleaning port.

[0012] Furthermore, an anti-backsuction nozzle is installed at the air outlet of the heating tube, and the anti-backsuction nozzle includes: a backsuction cavity, a connecting part connected to the heating tube at one end of the backsuction cavity, and a conical nozzle at the other end of the backsuction cavity; a sphere for sealing the connecting part is provided in the backsuction cavity, and a spring is provided between the sphere and the backsuction cavity to keep the sphere sealed.

[0013] Furthermore, the heating tube and the connecting portion are threadedly connected.

[0014] Furthermore, the inner diameter of the suction cavity is slightly larger than the outer diameter of the sphere.

[0015] Furthermore, a circular chamfer is provided at the sealing point between the suction cavity and the sphere.

[0016] Furthermore, the C-way inlet of the two-position three-way valve is normally connected to the atmosphere through an atmosphere pipe.

[0017] In the embodiment of the present application, a two-position three-way valve is used to connect the steam outlet and the heating tube, and the loop outlet connected to the atmosphere is placed on a water receiving tray to reduce back suction, and the water vapor generated in the back suction and the loop is discharged through the water receiving tray, thereby achieving the technical effect of reducing the random dripping of water vapor, and further solving the problems of pollution caused by the random dripping of water vapor or the use of other containers to contain it, and the increase in the size of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0019] Figure 1 is a schematic diagram of the external structure of a heating steam engine according to an embodiment of the present application;

[0020] Figure 2 This is a schematic diagram of the connection structure of a two-position three-way valve according to an embodiment of the present application;

[0021] Figure 3 is a schematic diagram of the structure of the water receiving tray according to an embodiment of the present application;

[0022] Figure 4It is a structural schematic diagram of a two-position three-way valve according to an embodiment of the present application;

[0023] Figure 5 It is a structural cross-sectional view of the anti-back-suction nozzle according to an embodiment of the present application.

[0024] Reference numerals

[0025] 1. Steam engine body; 2. Water tray; 21. Shelf; 211. Cleaning port; 22. Mesh; 23. Drain port; 24. Water retaining plate; 25. Push-type cup washer; 3. Heating tube; 4. Two-position three-way valve; 5. Atmospheric passage; 6. Anti-back-suction nozzle; 61. Back-suction cavity; 62. Connecting part; 63. Conical nozzle; 64. Ball; 65. Spring. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] In this application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this utility model can be understood according to specific circumstances.

[0030] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] Example 1

[0033] like Figure 1-5 As shown, the present application relates to a heating steam engine, comprising: a steam engine body 1, a water receiving tray 2, a heating pipe 3, a two-position three-way valve 4 and an atmosphere passage 5. Specifically:

[0034] The port A of the two-position three-way valve 4 is connected to the steam outlet of the steam engine body 1, the port B of the two-position three-way valve 4 is connected to the heating pipe 3, and the port C of the two-position three-way valve 4 is connected to the atmosphere pipe 5, and the outlet of the atmosphere pipe 5 is on the water receiving tray 2; when the two-position three-way valve 4 is powered on, the port A is connected to the port B, and the high-temperature steam passes through the port A and the port B from the steam outlet of the steam engine body 1 and is ejected by the heating pipe 3 to achieve the purpose of heating the beverage; when the two-position three-way valve 4 is powered off, the port B is connected to the port C, and the port C is always connected to the atmosphere through the atmosphere pipe 5, so the beverage is connected to the outside atmosphere through the port B, the port C and the atmosphere pipe 5. At this time, the beverage in the passage is The pressure is balanced and there is no back-absorption; the possibility of back-absorption of the device is reduced through the design of the two-position three-way valve 4; when the power is off, the high-temperature steam in the pipeline connected to the two-position three-way valve 4 is connected to the atmosphere of the C port, which will generate water vapor in the pipeline. Since the water receiving tray 2 is a device in the existing steam engine body 1, the outlet of the atmosphere passage 5 is set on the water receiving tray 2, so that the overall design of the device is more reasonable, and the structure in the existing device is utilized. While avoiding the random dripping of water vapor or beverage after back-absorption, the possible increase of the structure for accommodating liquid is reduced, the utilization rate of the original structure of the equipment is improved, and the compactness of the equipment structure is ensured.

[0035] Furthermore, a shelf 21 with meshes 22 is provided in the water receiving tray 2. The shelf 21 with meshes 22 is used to place drinks during the production process, and the meshes 22 can prevent liquid from being retained on the shelf 21, thereby improving the comfort of use of the heating steam engine of this embodiment. A drain port 23 is provided at the bottom of the water receiving tray 2, and water baffles 24 are provided upwardly at the edges of the four sides of the water receiving tray 2. The water baffles 24 on the front side of the device are relatively short, which is convenient for users to use; by providing the water baffles 24, splashing of liquid can be prevented during use, reducing the pollution of the on-site environment by water stains, and improving the comfort of use of the device.

[0036] Furthermore, by installing a push-type cup washer 25 in the water receiving tray 2, the push-type cup washer 25 of this embodiment is an existing device. By installing it in the water receiving tray 2 and combining it with the above-mentioned features, more functions are added to the original structure of the device, thereby ensuring the compactness of the device and improving the practicality of the device.

[0037] The working principle of the present embodiment 1 is as follows: when the two-position three-way valve 4 is powered on, the A port is connected with the B port, and the high-temperature steam is ejected from the steam outlet of the steam engine body 1 through the A port and the B port by the heating tube 3, so as to achieve the purpose of heating the beverage; when the two-position three-way valve 4 is powered off, the B port is connected with the C port, and the C port is always connected with the atmosphere through the atmosphere passage 5, so the beverage is connected with the outside atmosphere through the B port, the C port and the atmosphere passage 5, and the pressure in the passage is balanced at this time, and no back suction is performed; the possibility of back suction of the device is reduced by the design of the two-position three-way valve 4; when the power is off, the high-temperature steam in the pipeline connected with the two-position three-way valve 4 is connected with the atmosphere of the C port, and water vapor will be generated in the pipeline, because the water receiving tray 2 is a device in the existing steam engine body 1, the outlet of the atmosphere passage 5 is set on the water receiving tray 2, so that the overall design of the device is more reasonable, and the structure in the existing device is utilized, while avoiding the random dripping of water vapor or beverage after back suction, the possible increase of the structure for accommodating liquid is reduced, the utilization rate of the original structure of the device is improved, and the compactness of the device structure is ensured.

[0038] Example 2

[0039] This embodiment 2 is formed on the basis of embodiment 1. When the two-position three-way valve 4 is powered off, port B is connected to port C. At this time, the beverage is connected to the outside atmosphere through the atmosphere pipe 5. There will be a certain reaction time from the operator pressing the power off switch to the port B being connected to port C. A small amount of beverage and steam will be sucked back upward from the air outlet of the heating tube 3, polluting and impacting the valve body of the two-position three-way valve 4. By installing an anti-back-suction nozzle 6 at the air outlet of the heating tube 3, the mechanical structure can effectively prevent the back-suction of steam and beverage from the outlet, effectively solving the back-suction phenomenon caused by electrical equipment failure or reaction, further improving the anti-back-suction ability of the equipment, and extending the service life of the two-position three-way valve 4. Specifically:

[0040] like Figure 5 As shown, the anti-back-suction nozzle 6 includes: a back-suction cavity 61, a connecting portion 62, a conical nozzle 63, a sphere 64 and a spring 65; the connecting portion 62 is at one end of the back-suction cavity 61, and is used to communicate with the air outlet of the heating tube 3, and the conical nozzle 63 is at the other end of the back-suction cavity 61, and is used to spray steam outward; the sphere 64 is movably placed in the back-suction cavity 61, and is blocked at the communication port between the back-suction cavity 61 and the connecting portion 62 by the spring 65, and the two ends of the spring 65 are respectively fixed to the outside of the sphere 64 and the inner wall of the back-suction cavity 61, and the spring The tension of 65 is less than the steam pressure; when the high-temperature and high-pressure steam comes out from the air outlet of the heating tube 3, it squeezes the ball 64 and the spring 65 downward through the connecting part 62, so that a gap is generated between the ball 64 and the back-suction cavity 61, and the steam enters the back-suction cavity 61 through the gap, and is then sprayed out by the conical nozzle 63 to heat the beverage; when the two-position three-way valve 4 is powered off, the ball 64 is elastically squeezed by the spring 65 to quickly block the connecting port between the back-suction cavity 61 and the connecting part 62, and the back-suctioned steam and beverage cannot hit the two-position three-way valve 4.

[0041] Furthermore, the heating tube 3 is provided with an internal thread, and the connecting portion 62 is provided with an external thread. The connecting portion 62 and the heating tube 3 are connected by threads, so that the anti-back-suction nozzle 6 is easy to disassemble, maintain or replace, thereby improving the convenience and safety of equipment use.

[0042] Furthermore, a circular chamfer is provided at the sealing portion between the back-suction cavity 61 and the spherical body 64, so that the sealing between the back-suction cavity 61 and the spherical body 64 is more closely fitted, thereby ensuring the sealing tightness and effect thereof.

[0043] Furthermore, the inner diameter of the suction cavity 61 is slightly larger than the outer diameter of the sphere 64 , thereby ensuring that the sphere 64 will not deviate and roll off, thereby ensuring the sealing performance and effect of the sphere 64 .

[0044] The working principle of the present embodiment 2 is as follows: when the high-temperature and high-pressure steam comes out from the air outlet of the heating tube 3, it squeezes the ball 64 and the spring 65 downward through the connecting portion 62, so that a gap is generated between the ball 64 and the re-suction cavity 61, and the steam enters the re-suction cavity 61 through the gap, and is then sprayed out by the conical nozzle 63 to heat the beverage; when the two-position three-way valve 4 is powered off, the ball 64 is elastically squeezed by the spring 65 to quickly block the connecting port between the re-suction cavity 61 and the connecting portion 62, so that the re-suctioned steam and beverage cannot hit the two-position three-way valve 4.

[0045] From the above description, it can be seen that the present application achieves the following technical effects: the anti-back-suction nozzle 6 effectively prevents the back-suction of steam and beverages from the outlet, and combined with the characteristics of Example 1, further solves the back-suction problem of steam and beverages, further improves the anti-back-suction ability of the equipment, extends the service life of the two-position three-way valve 4, and further reduces the phenomenon of random dripping of liquid caused by the reflux of water vapor and beverages.

[0046] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heating steam engine, characterized in that: include: A steam engine body (1), and a water receiving tray (2), wherein the water receiving tray (2) is below a heating pipe (3) of the steam engine body (1); a two-position three-way valve (4) is connected between the steam outlet of the steam engine body (1) and the heating pipe (3); the port A of the two-position three-way valve (4) is in communication with the steam outlet, the port B of the two-position three-way valve (4) is in communication with the heating pipe (3), and the port C of the two-position three-way valve (4) is in communication with an atmospheric passage (5); the outlet of the atmospheric passage (5) is on the water receiving tray (2).

2. A heating steam engine according to claim 1, characterized in that: A shelf plate (21) with mesh holes (22) is provided in the water receiving tray (2), and a drainage port (23) is provided at the bottom of the water receiving tray (2).

3. A heating steam engine according to claim 2, characterized in that: Water retaining plates (24) are arranged upwards at the edges of all four sides of the water receiving tray (2).

4. A heating steam engine according to claim 2, characterized in that: A cleaning opening (211) is provided on the shelf plate (21), and a press-type cup washer (25) is installed in the water receiving tray (2) at the cleaning opening (211).

5. A heating steam engine according to claim 1, characterized in that: The air outlet of the heating tube (3) is provided with an anti-back-suction nozzle (6), and the anti-back-suction nozzle (6) comprises: a back-suction cavity (61), a connecting portion (62) connected to the heating tube (3) at one end of the back-suction cavity (61), and a conical nozzle (63) at the other end of the back-suction cavity (61); a sphere (64) for blocking the connection between the connecting portion (62) and the back-suction cavity (61) is provided in the back-suction cavity (61), and a spring (65) for keeping the sphere (64) blocked is provided between the sphere (64) and the back-suction cavity (61).

6. A heating steam engine according to claim 5, characterized in that: The heating tube (3) and the connecting portion (62) are threadedly connected.

7. A heating steam engine according to claim 5, characterized in that: The inner diameter of the re-absorption cavity (61) is slightly larger than the outer diameter of the sphere (64).

8. A heating steam engine according to claim 5, characterized in that: The sealing portion between the re-absorption cavity (61) and the spherical body (64) is provided with an arc chamfer.

9. A heating steam engine according to claim 1, characterized in that: The C port of the two-position three-way valve (4) is always connected to the atmosphere through the atmosphere passage (5).

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