A bucket lid assembly

Abstract

The application discloses a bucket cover assembly, comprising a bucket cover and a switch valve, the bucket cover is used for covering at the water outlet port of a bucket, a water outlet flow channel for the water outlet of the bucket is formed in the bucket cover, the switch valve comprises a valve core, the valve core is movably arranged in the water outlet flow channel to respond to the negative pressure suction force of an external water pumping device; wherein when the external water pumping device generates the negative pressure suction force to the water outlet flow channel, the valve core is displaced under the action of the negative pressure suction force to open the water outlet flow channel; when the negative pressure suction force disappears, the valve core is automatically reset and the water outlet flow channel is closed. By arranging the switch valve core in the bucket cover which can respond to the negative pressure suction force, the water outlet flow channel is automatically opened when pumping water and automatically closed when stopping pumping, effectively preventing the backflow of water carrying bacteria and pollution particles into the bucket, thereby improving the problem of dust and bacteria invading the water body, and meanwhile, manual operation of the valve is not needed, the use convenience and sealing performance are improved.

Description

Technical Field

[0001] This application relates to the field of drinking water equipment technology, specifically to a water bucket lid assembly. Background Technology

[0002] Bottled water is widely used in drinking water systems (such as tea bar machines) in homes and offices due to its convenience. It generally consists of a water bucket and a lid. Most existing tea bar machines use bottom-mounted bottled water systems, requiring a water pump to draw water from the bucket. Since most of the pump pipe is exposed outside the bucket, various bacteria and pollutants from the outside air easily accumulate inside the pipe after prolonged use. Each time the pump stops, the remaining water flows back into the bucket under gravity, carrying bacteria and pollutants with it. This leads to the growth of large amounts of bacteria inside the bucket, causing the water to spoil and affecting its drinkability. Furthermore, current bottled water systems lack sterilization functions.

[0003] To address this issue, traditional solutions primarily involve installing filtration devices on drinking water equipment. These devices filter and sterilize the water in the tank, but the filter cartridges, mainly made of activated carbon and ion exchange resin, can only adsorb impurities and cannot inactivate microorganisms. Furthermore, they require regular replacement, resulting in high maintenance costs. Another solution is to add disinfectants to the tank, but this can easily lead to chemical residues that compromise water safety and do not meet direct drinking water standards. Therefore, current drinking water equipment tends to use ultraviolet (UV) sterilization for water treatment. The main approach involves installing a UV sterilization device within the equipment. Water from the tank is pumped out and first enters the UV sterilization device for sterilization. However, this approach also has limitations. For example, it requires significant modifications to the internal structure and water circuit of the equipment, greatly increasing R&D and production line modification costs. The extended water outlet also slows down the water dispensing response time. Utility Model Content

[0004] The purpose of this application is to solve the above-mentioned technical problems and provide a water bucket lid assembly that effectively prevents bacteria and pollutant particles carried by the water flow from the water pipe from flowing back into the water bucket when the water pump stops pumping, thereby reducing the growth of bacteria in the bucket.

[0005] The technical solution adopted in this application is as follows:

[0006] A bucket lid assembly includes a bucket lid and a switch valve. The bucket lid is used to cover the water outlet of a bucket, and a water outlet channel for supplying water from the bucket is formed inside the bucket lid. The switch valve includes a valve core, which is movably disposed within the water outlet channel to respond to the negative pressure suction of an external water pump. When the external water pump generates negative pressure suction on the water outlet channel, the valve core is displaced under the action of negative pressure suction to open the water outlet channel. When the negative pressure suction disappears, the valve core automatically resets and closes the water outlet channel.

[0007] This technical solution utilizes a valve core within the water bucket lid that responds to negative pressure suction. This allows the water outlet channel to automatically open when negative pressure suction is applied and automatically close when suction stops. This effectively solves the problem of residual water, bacteria, and contaminants flowing back into the water bucket after the pump stops, cutting off the contamination path at its source and reducing the risk of water quality deterioration due to backflow. Even if complete isolation of bacteria and contaminants is difficult, it significantly reduces bacterial growth and extends the shelf life of the water. The valve core is driven by negative pressure suction, eliminating the need for manual operation and improving ease of use and sealing. The valve is directly integrated into the water bucket lid, eliminating the need for complex modifications to the internal structure and water circuits of existing drinking water equipment (such as tea bar machines), significantly reducing R&D and production line modification costs while maintaining the original water dispensing response speed of the drinking water equipment.

[0008] The valve core is connected to the bucket lid via an elastic element. When the valve core opens the water outlet channel, it overcomes the elastic force of the elastic element. When the negative pressure suction disappears, the valve core resets under the action of the elastic element.

[0009] In this technical solution, an elastic element is used to connect the valve core and the water tank lid. When the negative pressure suction disappears, the valve core automatically resets due to the elastic force of the element. This allows for reliable and rapid automatic reset and closure of the water outlet channel, enhancing the stability of the seal and the timeliness of closure. It also reliably prevents backflow contamination. At the same time, the buffering effect of the elastic element reduces the impact wear between the valve core and the sealing surface, extending the component's lifespan. Furthermore, this elastic element reset structure is simple and reliable, requires no external energy, and has low maintenance costs.

[0010] The water outlet channel is provided with an axially extending guide hole and a corresponding sealing step. The valve core is slidably engaged with the guide hole, and a water passage hole is provided on the sealing step. Under the action of negative pressure suction, the valve core moves axially along the guide hole and moves away from the sealing step, so that the water passage hole is opened to open the water outlet channel. When the negative pressure suction disappears, the valve core returns to the position against the sealing step, and closes the water passage hole to close the water outlet channel.

[0011] In this technical solution, the axial movement of the valve core is guided by the sliding fit between the guide hole and the valve core, preventing the valve core from shifting under negative pressure suction and causing poor sealing. This achieves precise axial movement of the valve core and reliable sealing of the water passage. When the valve core moves away from the sealing step, the water passage opens to ensure smooth water flow. When the valve core returns to its original position and presses against the sealing step, it can effectively close the water passage, completely blocking the backflow channel. The structure is simple and compact, with good sealing effect and high reliability, effectively ensuring the function of preventing backflow and pollution.

[0012] The valve core is provided with a protruding stop protrusion. An elastic sealing body is installed on the stop protrusion or the sealing step. When the valve core returns to the position abutting against the sealing step, the elastic sealing body is compressed and deformed by the stop protrusion and the sealing step, thereby enhancing the seal on the water passage hole.

[0013] In this technical solution, an elastic sealing body is set on the valve core or sealing step, and the compression action between the stop protrusion and the sealing step is used to deform it, which significantly enhances the sealing effect of the valve core on the water passage hole, compensates for the machining error of the mechanical sealing surface, and can achieve zero leakage even if there is a small gap, through the deformation of the elastic sealing body. It can adapt to different working conditions and provide more reliable water tightness, especially suitable for scenarios with high requirements for water quality and hygiene. It completely eliminates the slight backflow or leakage caused by poor sealing, and further improves the ability to prevent pollution and service life.

[0014] The bucket lid is designed as a split structure, including an upper lid and a lower lid. The water outlet channel runs vertically through the upper lid and the lower lid. When the upper lid and the lower lid are fitted together, they form a movable space that limits the vertical displacement of the valve core.

[0015] In this technical solution, the bucket lid is designed as a separate structure of upper and lower lids, which makes the assembly of the internal valve core movement space and water outlet channel more convenient. This greatly facilitates the installation, maintenance and replacement of internal parts such as valve core and elastic components, and reduces the complexity and cost of production and after-sales maintenance.

[0016] The water tank lid assembly also includes a sterilization light source. The displacement of the valve core controls the opening and closing of the sterilization light source. When the valve core opens the water outlet channel, it triggers the sterilization light source to emit light, irradiating and sterilizing the water flowing through the outlet channel. When the valve core resets and closes the water outlet channel, it controls the sterilization light source to turn off. Preferably, the sterilization light source is a UV lamp, suitable for efficient sterilization of drinking water.

[0017] In this technical solution, the opening and closing of the sterilization light source is directly linked to the displacement state of the valve core. This enables the sterilization light source to be automatically turned on to irradiate and sterilize the water flow only when water is being dispensed (valve core is open), and to be automatically turned off when water is not being dispensed (valve core is closed). This design can complete the sterilization process inside the bottle lid without extending the external water circuit, avoiding modifications to the drinking water equipment, ensuring a fast water dispensing response, and working only when water is being used. This saves energy and extends the life of the light source, effectively solving the problem of sterilizing water inside the bottle and preventing backflow contamination.

[0018] A magnetic body is fixedly installed on the valve core, and a reed switch connected to the sterilization light source circuit is installed on the water tank lid. When the valve core moves to open the water outlet channel, the magnetic body moves to the magnetic induction area of ​​the reed switch, and the reed switch closes the circuit under the action of magnetic force, so that the sterilization light source is energized and emits light. When the valve core resets to close the water outlet channel, the magnetic body moves away from the reed switch, the reed switch disconnects the circuit, and the sterilization light source is de-energized and extinguished.

[0019] This technical solution provides a linkage method using a magnetic body and a reed switch, which is a non-contact control method for switching the light source circuit on and off. The magnetic coupling method has the advantages of no wear and long life, and can reliably realize the on and off control of the sterilization light source circuit by the displacement of the valve core.

[0020] A magnetic body is fixedly installed on the valve core, and a Hall element connected to the sterilization light source circuit is installed on the water tank lid; when the valve core moves to open the water outlet channel, the magnetic body moves into the detection range of the Hall element, and the Hall element outputs a signal to trigger the sterilization light source to turn on and emit light; when the valve core resets to close the water outlet channel, the magnetic body leaves the detection range of the Hall element, the Hall element signal is interrupted, and the sterilization light source is de-energized and extinguished.

[0021] This technical solution provides a linkage method using a magnetic body and a Hall element, which is a non-contact control method for switching on and off the light source circuit, and can reliably realize the on / off control of the sterilization light source circuit by the displacement of the valve core.

[0022] A micro switch connected to the sterilization light source circuit is installed on the water tank lid. The trigger end of the micro switch extends into the water outlet channel. When the valve core moves to open the water outlet channel, the valve core squeezes the trigger end of the micro switch to close the circuit, causing the sterilization light source to be powered on and emit light. When the valve core resets to close the water outlet channel, the trigger end resets and disconnects the circuit, causing the sterilization light source to be powered off and extinguished.

[0023] This technical solution provides a linkage method in which the valve core directly triggers the micro switch, realizing contact control of the light source circuit. It can reliably realize the on / off control of the sterilization light source circuit by the valve core displacement. The structure is simple and the response is direct, meeting the cost and performance requirements of different products.

[0024] The water outlet channel includes a water inlet located at the bottom of the bucket lid, a water outlet located at the top of the bucket lid, and a sterilization chamber extending between the water inlet and the water outlet. The sterilization light source is located inside the sterilization chamber. The water inlet and the water outlet are connected through a gap between the sterilization light source and the inner wall of the sterilization chamber. The switch valve is located inside the water outlet. When the valve core opens the water outlet, the sterilized water is discharged from the water outlet.

[0025] In this technical solution, a dedicated sterilization chamber is set up in the water outlet channel, and a sterilization light source is integrated into it. This ensures that the water is fully irradiated and sterilized along the necessary path from the inlet to the outlet. The design of connecting the water inlet and outlet through the gap in the sterilization chamber extends the residence time of the water in the sterilization chamber, thereby improving sterilization efficiency. The switch valve is set at the outlet after sterilization, ensuring that only sterilized water can be discharged. The sterilization process is completed directly inside the water tank lid assembly, without the need to extend the water circuit of the drinking water equipment. The structure is compact, efficient, and has a good sterilization effect.

[0026] The bucket lid assembly also includes a sterilization light source and a flow sensing component. The flow sensing component includes a magnetic impeller and a Hall element. The magnetic impeller is rotatably disposed within the water outlet channel and is driven to rotate by the water flow. The Hall element is fixed to the bucket lid and is connected to the sterilization light source circuit. When water flows through the water outlet channel, the magnetic impeller rotates and periodically triggers the Hall element. The Hall element controls the sterilization light source to continuously energize and sterilize the water flowing through the water outlet channel. The magnetic impeller, the sterilization light source, and the switch valve are arranged sequentially along the upstream to downstream direction of the water outlet channel.

[0027] In this technical solution, the rotation of a magnetic impeller driven by water flow triggers a Hall element to control the opening and closing of the sterilization light source, ensuring that sterilization is only activated when there is actual water flow (rather than just the valve core being open but possibly without water), thus improving the accuracy and energy efficiency of the control. The sequential arrangement of the magnetic impeller, sterilization light source, and switching valve ensures that the water flow undergoes sterilization treatment before reaching the valve for discharge, making the sterilization sequence reasonable and effective. At the same time, the flow sensing structure is simple and reliable.

[0028] The bucket lid is equipped with a power supply interface, which is connected to the sterilization light source circuit. The power supply interface is used to connect to an external power source and provide working power to the sterilization light source. The power supply interface is located on the outside of the water outlet channel.

[0029] In this technical solution, the power supply interface is located outside the water outlet channel, which avoids water contacting circuit components, realizes water-electricity separation, improves electrical safety, and facilitates the connection of external power supply or charging device to provide a continuous and stable power supply for the sterilization light source, ensuring the long-lasting effect of sterilization function. Attached Figure Description

[0030] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0031] Figure 1 This is an exploded view of the bucket lid assembly provided in the embodiments of this application;

[0032] Figure 2 Cross-sectional view of the bucket lid assembly provided in the embodiments of this application. Figure 1 ;

[0033] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0034] Figure 4 Cross-sectional view of the bucket lid assembly provided in the embodiments of this application. Figure 2 ;

[0035] Figure 5 for Figure 4 Enlarged view at point B in the middle;

[0036] Figure 6 This is a schematic diagram of the structure of the bucket lid assembly and the bucket provided in the embodiment of this application.

[0037] List of components and reference numerals:

[0038] 1. Bucket lid, 11. Water outlet channel, 111. Water inlet, 112. Water outlet, 113. Sterilization chamber, 12. Top cover, 121. Guide hole, 122. Drain hole, 13. Bottom cover, 131. Sealing step, 132. Water passage hole.

[0039] 2. Switch valve, 21. Valve core, 211. Stop protrusion, 22. Spring, 23. Elastic sealing body, 24. Magnetic body;

[0040] 3. Bottom cover;

[0041] 4. Water pump pipes;

[0042] 5. Sterilization light source;

[0043] 6 Hall effect elements;

[0044] 7. Translucent lampshade;

[0045] 8. Cover plate;

[0046] 9 power supply interfaces;

[0047] 10 buckets. Detailed Implementation

[0048] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0049] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0050] Furthermore, it should be understood in the description of this application that the terms "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "lateral," and "longitudinal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0051] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; 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 application according to the specific circumstances.

[0052] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0053] In the embodiments of this application, reference is made to Figures 1 to 6As shown, a bucket lid assembly is provided. For ease of explanation and understanding, the following descriptions are based on the illustrated product structure. Of course, those skilled in the art will understand that the above structure is merely a specific example and illustrative illustration, and does not constitute a specific limitation on the technical solution provided in this application.

[0054] like Figure 1 , Figure 2 and Figure 3 As shown, the bucket lid assembly includes a bucket lid 1 and a switch valve 2. The bucket lid 1 is used to cover the water outlet of the bucket. A water outlet channel 11 for supplying water from the bucket is formed inside the bucket lid 1. The switch valve 2 includes a valve core 21, which is movably disposed in the water outlet channel 11 to respond to the negative pressure suction of an external water pumping device. When the external water pumping device (such as a water pump) generates a negative pressure suction on the water outlet channel 11, the valve core 21 is displaced under the action of the negative pressure suction to open the water outlet channel 11. When the negative pressure suction disappears, the valve core 21 automatically resets and closes the water outlet channel 11.

[0055] Figure 6 The water bucket 10 shown is merely an illustrative structure for the purpose of describing and understanding the water bucket lid assembly, and should not be construed as limiting this application. The water bucket lid assembly of this application can be applied to bottled water buckets in tea bar machines and water dispensers, and can also be adapted to other types of water buckets, such as… Figure 6 The diagram shows the bucket lid assembly installed on the bucket 10. To facilitate the fit between the bucket lid assembly and the bucket 10, a bottom cover 3 can be provided for fitting with the bucket 10, and the bucket lid 1 is fixedly mounted on the bottom cover 3. A water suction pipe 4 can be installed at the bottom of the bucket lid 1, and the water suction pipe 4 is inserted into the bucket 10. Specifically, a water pump can be connected downstream of the water outlet channel 11. When the water pump is working, the pump suction draws water from the bucket 10, and the resulting negative pressure suction acts on the valve core 21, causing it to open the water outlet channel 11. Figure 4 and Figure 5 The image shows the valve core 21 in the open water outlet channel 11 state, as shown. Figure 2 and Figure 3The diagram shows the state where valve core 21 closes the water outlet channel 11. Therefore, in this technical solution, by installing valve core 21 of a switch valve 2 that responds to negative pressure suction inside the water bucket lid 1, the water outlet channel 11 automatically opens when water is pumped under negative pressure suction and automatically closes when pumping stops due to lack of suction. This effectively solves the problem of residual water and attached bacteria and contaminants flowing back into the water bucket after the pump stops, cutting off the contamination path at the source and reducing the risk of water quality deterioration due to backflow contamination. Even if complete isolation of bacterial contaminants is difficult, it can significantly reduce bacterial growth and extend the shelf life of the water. Valve core 21 is driven by negative pressure suction, eliminating the need for manual valve operation and improving ease of use and sealing. The switch valve 2 is directly integrated into the water bucket lid 1, eliminating the need for complex modifications to the internal structure and water circuit of existing drinking water equipment (such as tea bar machines), significantly reducing R&D and production line modification costs while maintaining the original water dispensing response speed of the drinking water equipment.

[0056] Regarding the method by which the valve core 21 resets after the negative pressure suction of the water pump disappears, this application does not specify a particular method. For example, the valve core 21 can be reset downwards under the action of gravity, but this method may have a weak response capability and the valve core 21 resets slowly. Therefore, as another preferred embodiment, such as Figure 1 and Figure 3 As shown, the valve core 21 is connected to the bucket lid 1 via an elastic element. When the valve core 21 opens the water outlet channel 11, it overcomes the elastic force of the elastic element. When the negative pressure suction disappears, the valve core 21 resets under the action of the elastic element. Preferably, the elastic element can be a spring 22, which is sleeved on the valve core 21, with its two ends abutting against the valve core 21 and the bucket lid 1 respectively. By using the spring 22 to connect the valve core 21 and the bucket lid 1, the valve core 21 automatically resets when the negative pressure suction disappears, relying on the elastic force of the spring 22. This allows for reliable and rapid automatic reset and closure of the water outlet channel 11, enhancing the stability of the seal and the timeliness of closure, further reliably preventing backflow contamination. At the same time, the buffering effect of the spring 22 reduces the impact wear between the valve core 21 and the sealing surface, extending the component's lifespan. Furthermore, the spring 22 reset structure is simple and reliable, requires no external energy, and has low maintenance costs.

[0057] As a preferred embodiment of this application, such as Figure 3 As shown, the water outlet channel 11 is provided with an axially extending guide hole 121 and a corresponding sealing step 131. The valve core 21 is slidably engaged with the guide hole 121, and a water passage hole 132 is provided on the sealing step 131; Figure 5 As shown, under the action of negative pressure suction, the valve core 21 moves axially along the guide hole 121 and away from the sealing step 131, so that the water passage 132 is opened to open the water outlet channel 11; as Figure 3As shown, when the negative pressure suction disappears, the valve core 21 returns to the position abutting against the sealing step 131, closing the water passage 132 to shut off the water outlet channel 11. Preferably, to avoid the wall structure of the guide hole 121 affecting the water flow, multiple drain holes 122 can be provided on the wall structure of the guide hole 121. When the valve core 21 is open, the water flowing through the valve core 21 continues to flow upward through the drain holes 122. In this embodiment, the sliding fit between the guide hole 121 and the valve core 21 provides axial movement guidance for the valve core 21, preventing the valve core 21 from shifting under negative pressure suction and causing poor sealing. This achieves precise axial movement of the valve core 21 and reliable sealing of the water passage 132. When the valve core 21 moves away from the sealing step 131, the water passage 132 opens to ensure smooth water flow. When the valve core 21 returns to the position abutting against the sealing step 131, it can effectively close the water passage 132, completely blocking the backflow channel. The structure is simple and compact, with good sealing effect and high reliability, effectively ensuring the function of preventing backflow pollution.

[0058] Furthermore, such as Figure 3 As shown, the valve core 21 has a protruding stop protrusion 211. An elastic sealing body 23 is installed on the stop protrusion 211 or the sealing step 131. When the valve core 21 returns to the position abutting against the sealing step 131, the elastic sealing body 23 is compressed and deformed by the stop protrusion 211 and the sealing step 131, thereby enhancing the seal on the water passage hole 132. Preferably, the elastic sealing body 23 can be made of silicone rubber, which has good flexibility and service life. Figure 3 and Figure 5 The illustration shows an embodiment where the elastic seal 23 is fixed to the stop protrusion 211. As the valve core 21 moves upward, the elastic seal 23 opens the water passage 132. When the valve core 21 resets, the elastic seal 23 abuts against the sealing step 131, and the stop protrusion 211 and the sealing step 131 press against each other, causing the elastic seal 23 to deform. This significantly enhances the sealing effect of the valve core 21 on the water passage 132, compensates for the machining error of the mechanical seal surface, and even if there are small gaps, zero leakage can be achieved through the deformation of the elastic seal 23. It can adapt to different working conditions and provide more reliable water tightness, and is especially suitable for scenarios with high requirements for water quality and hygiene. It completely eliminates the slight backflow or leakage caused by poor sealing, and further improves the ability to prevent pollution and service life.

[0059] As a preferred embodiment of this application, such as Figure 1 and Figure 2As shown, the bucket lid 1 is a split structure, including an upper lid 12 and a lower lid 13. A water outlet channel 11 vertically connects the upper lid 12 and the lower lid 13. When the upper lid 12 and the lower lid 13 are engaged, they form a space for the vertical displacement of the valve core 21. Specifically, a guide hole 121 can be provided on the upper lid 12, and a sealing step 131 can be provided on the lower lid 13. In this technical solution, designing the bucket lid 1 as a split structure of upper lid 12 and lower lid 13 makes the assembly of the internal space for the valve core 21 and the water outlet channel 11 more convenient, greatly facilitating the installation, maintenance, and replacement of internal parts such as the valve core 21 and elastic components, and reducing the complexity and cost of production and after-sales maintenance. Preferably, to improve the sealing performance of the valve core 21's movable space, the upper lid 12 and the lower lid 13 can be joined by ultrasonic welding. Alternatively, screws or other structures can be used for detachable connection.

[0060] As a preferred embodiment of this application, such as Figure 1 and Figure 2 As shown, the water bucket lid assembly also includes a sterilization light source 5. The sterilization light source 5 is electrically powered and emits light to irradiate and sterilize the water flowing through the water outlet channel 11, effectively improving the hygiene and safety of the dispensed water. The sterilization light source 5 is integrated into the water bucket lid 1. This design allows sterilization to be completed inside the lid without extending the external water path, avoiding modifications to the drinking water equipment, ensuring fast water dispensing response, and operating only when water is being used. This saves energy and extends the lifespan of the light source, effectively solving the problem of sterilizing the water inside the bucket.

[0061] Preferably, the sterilization light source 5 can be controlled to turn on only when water is flowing from the water tank and turn off when water is not flowing, thereby saving energy and extending the service life of the sterilization light source 5. However, this application does not limit the control method for turning the sterilization light source 5 on and off, and it can adopt any one of the following embodiments:

[0062] Example 1:

[0063] The opening and closing of the sterilization light source 5 is controlled by the displacement linkage of the valve core 21. When the valve core 21 opens the water outlet channel 11, it triggers the sterilization light source 5 to be energized and illuminated, irradiating and sterilizing the water flowing through the water outlet channel 11. When the valve core 21 resets and closes the water outlet channel 11, it controls the sterilization light source 5 to be de-energized and extinguished. In this technical solution, the opening and closing of the sterilization light source 5 is directly linked to the displacement state of the valve core 21, realizing that the sterilization light source 5 is automatically turned on to irradiate and sterilize the water flow only when water is flowing out (valve core 21 is open), and automatically turned off when water is not flowing out (valve core 21 is closed).

[0064] In this embodiment 1, the method of controlling the sterilization light source 5 by the displacement linkage of the valve core 21 is not limited, and any of the following examples can be used:

[0065] Example 1: such as Figure 2 and Figure 3As shown, a magnetic body 24 is fixedly mounted on the valve core 21, and a Hall element 6 connected to the sterilization light source 5 circuit is installed on the water tank lid 1. When the valve core 21 moves to open the water outlet channel 11, the magnetic body 24 moves into the detection range of the Hall element 6, and the Hall element 6 outputs a signal to trigger the sterilization light source 5 to emit light. When the valve core 21 resets to close the water outlet channel 11, the magnetic body 24 leaves the detection range of the Hall element 6, the signal of the Hall element 6 is interrupted, and the sterilization light source 5 is de-energized and extinguished. In this technical solution, a linkage method of magnetic body 24 and Hall element 6 is provided, which is a non-contact control of the light source circuit. It can reliably realize the on / off control of the sterilization light source 5 circuit by the displacement of the valve core 21. Moreover, due to the non-contact trigger control principle, the Hall element 6 can be set on the outside of the water outlet channel 11 to avoid contact with water.

[0066] Example 2: A magnetic body is fixedly installed on the valve core, and a reed switch connected to the sterilization light source circuit is installed on the water tank lid. When the valve core moves to open the water outlet channel, the magnetic body moves to the magnetic induction area of ​​the reed switch, and the reed switch closes the circuit under the action of magnetic force, causing the sterilization light source to be energized and emit light. When the valve core resets to close the water outlet channel, the magnetic body moves away from the reed switch, the reed switch opens the circuit, and the sterilization light source is de-energized and extinguished. Although not shown in the attached figure, this technical solution provides a linkage method of magnetic body and reed switch, which is also a non-contact control of the light source circuit, and can reliably realize the on / off control of the sterilization light source circuit by the valve core displacement.

[0067] Example 3: A microswitch connected to the sterilization light source circuit is installed on the water tank lid. The trigger end of the microswitch extends into the water outlet channel. When the valve core moves to open the water outlet channel, it presses the trigger end of the microswitch to close the circuit, energizing the sterilization light source. When the valve core resets to close the water outlet channel, the trigger end resets and disconnects the circuit, extinguishing the sterilization light source. Although not shown in the attached diagram, this technical solution provides a linkage method where the valve core directly triggers the microswitch, achieving contact-type control of the light source circuit. This reliably controls the on / off state of the sterilization light source circuit through valve core displacement, offering a simple structure and direct response, meeting the cost and performance requirements of different products. Because this solution uses contact-type trigger control, the trigger end of the microswitch needs to extend into the water outlet channel. Therefore, the through hole for the trigger end to extend into the through hole needs to be sealed to prevent water leakage.

[0068] Furthermore, in this embodiment, as Figure 2As shown, the water outlet channel 11 includes a water inlet 111 located at the bottom of the bucket lid 1, a water outlet 112 located at the top of the bucket lid 1, and a sterilization chamber 113 extending between the water inlet 111 and the water outlet 112. A sterilization light source 5 is located within the sterilization chamber 113. The water inlet 111 and the water outlet 112 are connected through a gap between the sterilization light source 5 and the inner wall of the sterilization chamber 113. A switch valve 2 is located within the water outlet 112. When the valve core 21 opens the water outlet 112, the sterilized water flows out from the water outlet 112. Based on this, and in conjunction with the aforementioned embodiment, the sterilization chamber 113 can be located on the lower cover 13 of the bucket lid 1 and below the switch valve 2. The aforementioned water suction pipe 4 can be inserted into the water inlet 111. When the water pump draws water, valve core 21 opens, and the water flows into the sterilization chamber 113 through water inlet 111. Under the irradiation of the sterilization light source 5, the water is sterilized and then discharged through outlet 112. When the water pump stops, valve core 21 closes, and the sterilized water in the sterilization chamber 113 flows back into the water tank, minimizing the risk of bacteria entering the tank. Therefore, in this technical solution, by setting a dedicated sterilization chamber 113 within the water outlet channel 11 and integrating the sterilization light source 5 therein, the water is fully irradiated and sterilized along its path from inlet to outlet. The design of the water inlet 111 and outlet 112 being connected through the gap in the sterilization chamber 113 extends the residence time of the water in the sterilization chamber 113, improving sterilization efficiency. The switch valve 2 is located at the sterilized outlet 112, ensuring that only sterilized water can be discharged. The sterilization process is completed directly inside the water tank lid assembly, eliminating the need to extend the water path of the drinking water equipment. The structure is compact, efficient, and provides excellent sterilization. Preferably, as... Figure 1 and Figure 2 As shown, the sterilization light source 5 can be enclosed by the light-transmitting lamp cover 7 and the cover plate 8. The light-transmitting lamp cover 7 and the cover plate 8 form a sealed cavity to accommodate the sterilization light source 5. The sterilization light source 5 emits sterilization light outward through the light-transmitting lamp cover 7. The sealed cavity can protect the sterilization light source 5 from moisture, dust and other influences, and extend the service life of the light source.

[0069] Example 2:

[0070] This embodiment is not illustrated in the accompanying drawings, but it is an easy-to-implement and reliable solution. Specifically, unlike the method of controlling the sterilization light source 5 by displacement linkage of valve core 21 in the aforementioned embodiment 1, in this embodiment 2, the water bucket lid assembly also includes a flow sensing component. The flow sensing component includes a magnetic impeller and a Hall element. The magnetic impeller is rotatably disposed in the water outlet channel and is driven to rotate by the water flow. The Hall element is fixed on the water bucket lid and is connected to the sterilization light source circuit. When the water flows through the water outlet channel, the magnetic impeller rotates and periodically triggers the Hall element. The Hall element controls the sterilization light source to be continuously energized to irradiate and sterilize the water flowing through the water outlet channel. The magnetic impeller, sterilization light source, and switch valve are arranged sequentially in the direction from upstream to downstream of the water outlet channel. In operation, the water pump starts pumping water, the valve core opens, and water in the tank flows upwards, first passing through the magnetic impeller. The rotation of the magnetic impeller triggers the Hall element, energizing the sterilization light source for sterilization. After sterilization, the water is discharged. When the water pump stops, the magnetic impeller stops rotating, and the sterilization light source is de-energized. Therefore, in this technical solution, the rotation of the magnetic impeller driven by water flow triggers the Hall element to control the opening and closing of the sterilization light source, ensuring that sterilization is only activated when there is actual water flow (rather than just the valve core being open but possibly without water), improving control accuracy and energy efficiency. The sequential arrangement of the magnetic impeller, sterilization light source, and switching valve ensures that the water undergoes sterilization treatment before reaching the valve for discharge, resulting in a reasonable and effective sterilization sequence. Furthermore, the flow sensing structure is simple and reliable.

[0071] Furthermore, such as Figure 1 and Figure 2 As shown, in both Embodiment 1 and Embodiment 2, the water tank lid 1 is equipped with a power supply interface 9. The power supply interface 9 is connected to the sterilization light source 5 circuit. The power supply interface 9 is used to connect to an external power source and provide operating power to the sterilization light source 5. The power supply interface 9 is located outside the water outlet channel 11, avoiding water contact with circuit components, thus achieving water-electricity separation, improving electrical safety, and facilitating the connection to an external power source or charging device to provide a continuous and stable power supply to the sterilization light source 5, ensuring the long-lasting sterilization function. Since the sterilization light source 5 is located inside the sterilization chamber 113 and the power supply interface 9 is located outside the water outlet channel 11, a wire hole can be provided on the wall of the sterilization chamber 113 to connect the power supply interface 9 to the sterilization light source 5 circuit. To ensure the sealing of the sterilization chamber 113, the wire hole can be sealed by methods such as potting glue.

[0072] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0073] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0074] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A bucket lid assembly, characterized in that, include: A bucket lid, which is used to cover the water outlet of a bucket, and the inside of the bucket lid forms a water outlet channel for water to flow out of the bucket; A switching valve, the switching valve including a valve core, the valve core being movably disposed within the water outlet channel to respond to the negative pressure suction of an external pumping device; When the external pumping device generates negative pressure suction on the water outlet channel, the valve core is displaced under the action of negative pressure suction to open the water outlet channel; when the negative pressure suction disappears, the valve core automatically resets and closes the water outlet channel.

2. The bucket lid assembly according to claim 1, characterized in that, The valve core is connected to the bucket lid via an elastic element. When the valve core opens the water outlet channel, it overcomes the elastic force of the elastic element. When the negative pressure suction disappears, the valve core resets under the action of the elastic element.

3. The bucket lid assembly according to claim 1, characterized in that, The water outlet channel is provided with an axially extending guide hole and a corresponding sealing step. The valve core is slidably engaged with the guide hole, and a water passage hole is provided on the sealing step. Under the action of negative pressure suction, the valve core moves axially along the guide hole and moves away from the sealing step, so that the water passage is opened to open the water outlet channel; when the negative pressure suction disappears, the valve core returns to the position against the sealing step and closes the water passage to shut off the water outlet channel.

4. The bucket lid assembly according to claim 3, characterized in that, The valve core is provided with a protruding stop protrusion. An elastic sealing body is installed on the stop protrusion or the sealing step. When the valve core returns to the position abutting against the sealing step, the elastic sealing body is compressed and deformed by the stop protrusion and the sealing step, thereby enhancing the seal on the water passage hole.

5. The bucket lid assembly according to claim 1, characterized in that, The bucket lid is designed as a split structure, including an upper lid and a lower lid. The water outlet channel runs vertically through the upper lid and the lower lid. When the upper lid and the lower lid are fitted together, they form a movable space that limits the vertical displacement of the valve core.

6. The bucket lid assembly according to claim 1, characterized in that, The bucket lid assembly also includes a sterilization light source. The displacement of the valve core controls the opening and closing of the sterilization light source. When the valve core opens the water outlet channel, it triggers the sterilization light source to be powered on and emit light, irradiating and sterilizing the water flowing through the water outlet channel. When the valve core resets and closes the water outlet channel, it controls the sterilization light source to be powered off and extinguished.

7. The bucket lid assembly according to claim 6, characterized in that, A magnetic body is fixedly mounted on the valve core, and a reed switch connected to the sterilization light source circuit is installed on the water tank lid. When the valve core moves to open the water outlet channel, the magnetic body moves to the magnetic induction area of ​​the reed switch, and the reed switch closes the circuit under the action of magnetic force, causing the sterilization light source to be energized and emit light. When the valve core resets to close the water outlet channel, the magnetic body moves away from the reed switch, the reed switch disconnects the circuit, and the sterilization light source is de-energized and extinguished. or, A magnetic body is fixedly mounted on the valve core, and a Hall element connected to the sterilization light source circuit is installed on the water tank lid. When the valve core moves to open the water outlet channel, the magnetic body moves into the detection range of the Hall element, and the Hall element outputs a signal to trigger the sterilization light source to emit light. When the valve core resets to close the water outlet channel, the magnetic body leaves the detection range of the Hall element, the Hall element signal is interrupted, and the sterilization light source is powered off and extinguished. or, A micro switch connected to the sterilization light source circuit is installed on the water tank lid. The trigger end of the micro switch extends into the water outlet channel. When the valve core moves to open the water outlet channel, the valve core squeezes the trigger end of the micro switch to close the circuit, causing the sterilization light source to be powered on and emit light. When the valve core resets to close the water outlet channel, the trigger end resets and disconnects the circuit, causing the sterilization light source to be powered off and extinguished.

8. The bucket lid assembly according to claim 6, characterized in that, The water outlet channel includes a water inlet located at the bottom of the bucket lid, a water outlet located at the top of the bucket lid, and a sterilization chamber extending between the water inlet and the water outlet. The sterilization light source is located inside the sterilization chamber, and the water inlet and the water outlet are connected through a gap between the sterilization light source and the inner wall of the sterilization chamber. The switch valve is located inside the water outlet. When the valve core opens the water outlet, the water that has undergone sterilization is discharged from the water outlet.

9. The bucket lid assembly according to claim 1, characterized in that, The bucket lid assembly also includes a sterilization light source and a flow sensing component, the flow sensing component comprising: A magnetic impeller is rotatably disposed in the water outlet channel, and the magnetic impeller is driven to rotate by the water flow; A Hall element fixed to the bucket lid, the Hall element being connected to the sterilization light source circuit; When water flows through the outlet channel, the magnetic impeller rotates and periodically triggers the Hall element. The Hall element controls the sterilization light source to continuously energize and sterilize the water flowing through the outlet channel. The magnetic impeller, the sterilization light source, and the switch valve are arranged in sequence along the upstream to downstream direction of the outlet channel.

10. The bucket lid assembly according to claim 6 or 9, characterized in that, The bucket lid is equipped with a power supply interface, which is connected to the sterilization light source circuit. The power supply interface is used to connect to an external power source and provide working power to the sterilization light source. The power supply interface is located on the outside of the water outlet channel.

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