A backflow-preventing tea pot

Abstract

The utility model relates to tea soup jar technical field discloses a tea soup jar of anti -reflux, including jar body, set up in jar body and be used for stirring tea soup in jar body inside stirring mechanism to tea soup, and set up on the drain pipe of jar body top side wall, the water outlet end of drain pipe is connected with the bend, still be provided with drain pump and check valve between drain pipe and bend, check valve is used for making tea soup from drain pipe one -way flow into bend. Through the bend of setting, utilize the water seal effect of bend and block the siphon of sewage through the drain pipe in the drain groove, set up check valve, can mechanical type block reverse flow, realize double -anti -reflux guarantee.

Description

Technical Field

[0001] This utility model relates to the technical field of tea containers, and in particular to a tea container that prevents backflow. Background Technology

[0002] During the tea production process, tea leaves need to be soaked in water at a certain temperature in a tea pot. The dust generated during the tea soaking process can affect the purity and taste of the tea. In order to improve the quality of the product, the tea at the top of the tea pot generally needs to be removed. The inlet of the existing drain pipe is located on the side wall of the top of the tea pot, and the outlet is directly inserted into the drain trough. Moreover, the drain pipe is a straight pipe. When the flow rate of the discharged tea is too fast, the change in air pressure inside the tea pot will cause the sewage in the drain trough to be sucked in from the outlet of the drain pipe and flow back into the tea pot from the inlet, causing contamination of the tea pot.

[0003] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a tea pot that prevents backflow, which aims to set the outlet end of the straight drain pipe as a bend, and use the water seal effect of the bend to prevent sewage from being sucked back.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A backflow-preventing tea container includes a container body, a stirring mechanism disposed in the container body for stirring the tea inside the container body, and a drain pipe disposed on the top side wall of the container body; the outlet end of the drain pipe is connected to a bend, and a drain pump and a one-way valve are disposed between the drain pipe and the bend, the one-way valve being used to allow the tea to flow unidirectionally from the drain pipe to the bend.

[0007] The aforementioned anti-backflow tea pot is further provided with a vent pipe on its top.

[0008] The aforementioned anti-backflow tea pot is provided with a first filter screen at the position of the pot body and the water inlet end of the drain pipe.

[0009] The aforementioned anti-backflow tea pot is further provided with a backflushing mechanism between the one-way valve and the bend, the backflushing mechanism being used to flush the inside of the bend.

[0010] The backflow prevention tea pot, wherein the backflow mechanism includes a backflow pipe connected to the bend, two valves disposed on the backflow pipe, and a backflow pump disposed between the two valves.

[0011] The aforementioned anti-backflow tea pot, wherein both valves are solenoid valves.

[0012] The aforementioned anti-backflow tea pot, wherein the stirring mechanism includes a motor fixedly installed on the top of the pot, a rotating shaft connected to the output end of the motor via a coupling and vertically arranged inside the pot, and stirring blades spaced vertically on the rotating shaft.

[0013] The aforementioned anti-backflow tea pot has a second filter screen installed on the upper part of the rotating shaft, and the second filter screen is located below the water outlet end of the drain pipe.

[0014] Beneficial effects:

[0015] This utility model provides a tea pot with anti-backflow protection. The bend in the pipe prevents sewage from being sucked back through the drain pipe by using the water seal effect of the bend. The one-way valve can mechanically block the reverse flow, thus achieving double anti-backflow protection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a tea pot designed to prevent backflow.

[0017] Explanation of main component symbols: 1-Tank body, 11-Vent pipe, 12-First filter screen, 2-Agitator mechanism, 21-Motor, 22-Coupling, 23-Shaft, 24-Agitator blade, 25-Second filter screen, 31-Drain pipe, 32-Drain pump, 33-Check valve, 4-Bend, 5-Backwash mechanism, 51-Backwash pipe, 52-Valve, 53-Backwash pump. Detailed Implementation

[0018] This utility model provides a tea infuser with anti-backflow design. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following detailed description is provided with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining this utility model and are not intended to limit the scope of protection of this utility model.

[0019] Please see Figure 1 This utility model provides a tea infusion container with anti-backflow function, including a container body 1, a stirring mechanism 2 disposed in the container body 1 for stirring the tea infusion inside the container body 1, and a drain pipe 31 disposed on the top side wall of the container body 1; the outlet end of the drain pipe 31 is connected to a bend 4, and a drain pump 32 and a one-way valve 33 are also disposed between the drain pipe 31 and the bend 4. The one-way valve 33 is used to allow the tea infusion to flow unidirectionally from the drain pipe 31 to the bend 4.

[0020] When it is necessary to drain the tea from the top layer of tank 1, the drain pump 32 is activated. The tea, under the suction of the drain pump 32, is discharged from the drain pipe 31 on the top side wall of tank 1, flowing through the one-way valve 33. Since the one-way valve 33 only allows liquid to flow in one direction (from drain pipe 31 to bend 4), it prevents backflow. Subsequently, the tea enters the S-shaped bend 4, whose structure creates a water seal effect, further blocking the backflow of external air or liquid. Finally, the tea is discharged from the outlet of bend 4 into an external collection / drainage tank.

[0021] If the drainage rate is too fast, negative pressure may form inside the tank due to the rapid discharge of liquid. However, since the inlet of the drain pipe 31 is located on the top side wall of the tank 1 (rather than the bottom), air can naturally replenish the tank through the space at the top as the liquid level drops, reducing the formation of negative pressure. If pressure fluctuations still exist, the water seal of the bend 4 can prevent sewage from being drawn back into the drainage tank through the drain pipe 31. In addition, the one-way valve 33 can mechanically block reverse flow, achieving double backflow prevention protection.

[0022] In some embodiments, a vent pipe 11 is also provided on the top of the tea pot. The vent pipe 11 allows outside air to enter the pot 1 naturally, balancing the air pressure inside and outside the pot 1, preventing negative pressure from being generated during drainage, and ensuring that the drainage process will not cause a siphon effect due to sudden changes in air pressure, resulting in backflow of sewage. Specifically, an electrically controlled valve can be installed on the vent pipe 11. That is, the electrically controlled valve is only opened when it is necessary to drain the upper layer of tea soup. When soaking or heating tea leaves, in order to prevent the open vent pipe 11 from causing oxidation of the tea soup or introducing contaminants such as microorganisms, the electrically controlled valve is closed.

[0023] In some embodiments, a first filter screen 12 is provided at the water inlet end of the tank 1 and the drain pipe 31. The first filter screen 12 (with a pore size typically of 1-3 mm) can intercept solid impurities such as tea leaves and coarse fibers, preventing them from entering the drain pipe 31, reducing the risk of pipe blockage, and also preventing residue from entering the drain pump 32, one-way valve 33, or bend 4, extending the service life of the equipment and reducing maintenance frequency. Specifically, the first filter screen 12 can adopt a quick-release design (such as snap-fit ​​or flange connection) for easy periodic cleaning of residue.

[0024] In some embodiments, a backflushing mechanism 5 is also provided between the one-way valve 33 and the bend 4, which is used to flush the inside of the bend 4. High-pressure water / cleaning fluid is used for backflushing to powerfully remove tea residue and tea stains deposited in the bend 4 (traditional disassembly and cleaning requires downtime of 2-4 hours per cycle, while backflushing only requires 1-3 minutes). Timed backflushing can be set (e.g., automatic flushing after each batch of production) to avoid blockage accumulation. The backflushing mechanism 5 reduces the flow rate attenuation rate of the bend 4, reducing the risk of overload on the drain pump 32 due to blockage and extending the lifespan of the drain pump 32. Furthermore, backflushing prevents the growth of microorganisms in the bend 4.

[0025] In some embodiments, the backflushing mechanism 5 includes a backflushing pipe 51 connected to the bend 4, two valves 52 disposed on the backflushing pipe 51, and a backflushing pump 53 disposed between the two valves 52. The backflushing mechanism 5 is connected to the bend 4 via the backflushing pipe 51. When the bend 4 needs to be flushed, the backflushing pump 53 disposed between the two valves 52 on the backflushing pipe 51 is activated. The backflushing pump 53 pumps high-pressure clean water or cleaning fluid into the bend 4 through the backflushing pipe 51, forcefully removing tea residue and tea stains deposited in the bend 4 through reverse flushing. After flushing is completed, the backflushing pump 53 and the two valves 52 on the backflushing pipe 51 are closed. Alternatively, the activation of the backflushing pump 53 can be controlled by pressure sensors installed at both ends of the bend 4. When the pressure difference detected by the pressure sensor is greater than 0.1 MPa, the backflushing pump 53 is automatically activated for flushing. Timed backflushing can also be set, such as automatic flushing after each batch of production, thereby keeping the bend 4 clean.

[0026] In some embodiments, both valves 52 are solenoid valves. These solenoid valves can work with the control system to easily achieve timed backflushing, automatically flushing the bend 4 without manual intervention. When used with pressure sensors at both ends of the bend 4, the control system will quickly send a signal when the pressure difference is >0.1 MPa, and the solenoid valves will immediately respond, automatically initiating the backflushing process to precisely address blockages in the bend 4 and ensure the equipment is always in good operating condition.

[0027] In some embodiments, the stirring mechanism 2 includes a motor 21 fixedly mounted on the top of the tank 1, a rotating shaft 23 connected to the output end of the motor 21 via a coupling 22 and vertically arranged inside the tank 1, and stirring blades 24 spaced vertically on the rotating shaft 23. When it is necessary to stir the tea in the tank 1, the motor 21 fixedly mounted on the top of the tank 1 is started. After the motor 21 starts running, its output shaft drives the rotating shaft 23 vertically arranged inside the tank 1 to rotate synchronously via the coupling 22. Since the stirring blades 24 are fixed vertically on the rotating shaft 23, the rotation of the rotating shaft 23 drives the stirring blades 24 to rotate together. During the rotation, the stirring blades 24 continuously stir the surrounding tea, changing the flow direction and speed of the tea, realizing the mixing of liquids in different parts of the tea, and at the same time, accelerating the contact between tea leaves and water, and improving the steeping efficiency.

[0028] In some embodiments, a second filter screen 25 is provided on the upper part of the rotating shaft 23, and the second filter screen 25 is located below the water outlet end of the drain pipe 31. When the upper layer of tea soup is discharged, the tea leaves in the tank 1 float due to the change in air pressure. The second filter screen 25 can intercept the tea leaves and impurities in the tea soup. The second filter screen 25 works in conjunction with the first filter screen 12 to form a two-stage filtration system, preventing tea leaves and impurities from flowing into the drain pipe 31 with the tea soup, thereby reducing the risk of pipe blockage due to impurity accumulation and ensuring the smooth operation of the drainage system. Specifically, a bearing is provided on the rotating shaft, and the second filter screen 25 is mounted on the bearing. Therefore, the second filter screen 25 is different when the rotating shaft 23 rotates. Similarly, to facilitate the replacement of the second filter screen 25, it can be made detachable.

[0029] In summary, this utility model uses the bend 4 to prevent sewage from being backflowed through the drain pipe 31 by utilizing the water seal effect of the bend 4; the one-way valve 33 can mechanically block the reverse flow, thus achieving double protection against backflow.

[0030] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A tea infuser with anti-backflow feature, characterized in that, The device includes a tank, a stirring mechanism disposed in the tank for stirring the tea soup inside the tank, and a drain pipe disposed on the top side wall of the tank; the outlet end of the drain pipe is connected to a bend, and a drain pump and a one-way valve are disposed between the drain pipe and the bend, the one-way valve being used to allow the tea soup to flow unidirectionally from the drain pipe to the bend.

2. The anti-backflow tea pot according to claim 1, characterized in that, The top of the tea pot is also equipped with a vent pipe.

3. The anti-backflow tea pot according to claim 1, characterized in that, A first filter screen is installed at the water inlet end of the tank and the drain pipe.

4. The anti-backflow tea pot according to claim 1, characterized in that, A backflushing mechanism is also provided between the one-way valve and the bend, which is used to flush the inside of the bend.

5. The anti-backflow tea pot according to claim 4, characterized in that, The backflush mechanism includes a backflush pipe connected to the bend, two valves disposed on the backflush pipe, and a backflush pump disposed between the two valves.

6. The anti-backflow tea pot according to claim 5, characterized in that, Both valves are solenoid valves.

7. The anti-backflow tea pot according to claim 1, characterized in that, The stirring mechanism includes a motor fixedly installed on the top of the tank, a rotating shaft connected to the output end of the motor via a coupling and vertically arranged inside the tank, and stirring blades spaced vertically on the rotating shaft.

8. The anti-backflow tea pot according to claim 7, characterized in that, A second filter screen is provided on the upper part of the rotating shaft, and the second filter screen is located below the water outlet end of the drain pipe.

Images