Water tank and water dispenser comprising same

Abstract

The utility model provides a water tank and a water dispenser comprising the same. The water tank comprises a liquid level meter, a controller, a tank body and a sterilization device, the sterilization device penetrates through the wall of the box body and extends into the box body; the liquid level meter is arranged on the box body and is used for detecting the liquid level in the box body; the liquid level meter and the sterilization device are electrically connected with the controller so that the sterilization device can be started according to the detection result of the liquid level meter. According to the scheme, the sterilization device penetrates through the wall of the box body and directly extends into the box body, when water is stored in the box body, the water stored in the box body can be directly sterilized and disinfected, the liquid level meter is installed on the box body and used for detecting the liquid level in the box body, and meanwhile the liquid level meter and the sterilization device are electrically connected with the controller. By means of the scheme, the sterilization device can be started in time, so that few bacterial colonies exist in outlet water in the initial stage of starting of the water tank, and the safety requirement can be met.

Description

Technical Field

[0001] The utility model relates to the field of water dispensers, in particular to a water tank and a water dispenser comprising the same. Background Art

[0002] In vertical drinking machines, especially those with warm water, the water tank is usually heated to the set warm water temperature and then a flow-through mercury lamp is added to the water outlet of the tank. However, it usually takes 120 seconds for the mercury lamp to start sterilization. During this period of time, the bacteria in the outlet water exceed the standard. In the initial stage of startup, there are too many colonies in the outlet water and it cannot meet the safety requirements. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the defect in the prior art that the water quality of the water tank at the initial start-up has too many bacterial colonies and cannot meet the safety requirements, and to provide a water tank and a water dispenser containing the same.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] The utility model provides a water tank, which is characterized in that the water tank comprises a liquid level gauge, a controller, a box body and a sterilization device; the sterilization device passes through the wall of the box body and extends into the interior of the box body; the liquid level gauge is installed on the box body and is used to detect the liquid level in the box body; the liquid level gauge and the sterilization device are both electrically connected to the controller to start the sterilization device according to the detection result of the liquid level gauge.

[0006] In this solution, the sterilization device passes through the wall of the box and directly extends into the interior of the box. When there is water stored in the box, the water stored in the box can be directly sterilized. The liquid level meter is installed on the box and is used to detect the liquid level in the box. At the same time, the liquid level meter and the sterilization device are electrically connected to the controller. The controller controls the sterilization device to start when the liquid level meter detects that there is water stored in the box. Using this solution, the sterilization device can be started in time, so that there are fewer colonies in the water outlet of the water tank in the initial stage of startup, and it can meet safety requirements.

[0007] Preferably, the sterilization device extends into the interior of the box along a vertical direction, and the sterilization device comprises a lampshade and a lamp tube, the lampshade accommodates the lamp tube, and the lampshade is connected to the center of the top of the box.

[0008] In this solution, the sterilization device extends into the interior of the box in the vertical direction, ensuring that the vertically stored water can be evenly sterilized. The lampshade is used to hold the lamp tube to protect the lamp tube and prevent the lamp tube from breaking and directly entering the stored water accidentally. When a mercury lamp is used for the lamp tube, it avoids polluting the environment and the water in the box due to the breaking of the lamp tube, further ensuring the safety of the water tank.

[0009] Preferably, the sterilization device also includes a spring, a first power terminal and a second power terminal, the first power terminal and the second power terminal are respectively arranged at two ends of the lamp tube, the spring and the first power terminal are arranged at the end where the lampshade extends into the box body, and the first power terminal is clamped in the spring.

[0010] In this solution, a first power terminal and a second power terminal are arranged at the two ends of the lamp tube to provide power for the lamp tube. At the same time, a spring is arranged at the end of the lampshade extending into the box body to further prevent the lamp tube from colliding due to vibration, thereby preventing the lamp tube from breaking and polluting the environment and water accumulation in the box body, thereby ensuring the safety of the water tank.

[0011] Preferably, the water tank also includes a connecting portion and a first fixing nut, the connecting portion is arranged at the top end of the box body, and the connecting portion is provided with an internal thread, the first fixing nut and the box body thread cooperate, and the end of the lampshade close to the top end of the box body is provided with a first flange, and the first flange is clamped between the first fixing nut and the connecting portion.

[0012] In this solution, a first flange is provided on the lampshade, and the lampshade is clamped by the first fixing nut and the connecting portion to fix the lampshade, which is firm and the structure can be easily disassembled for easy cleaning.

[0013] Preferably, a wire channel is provided on the first fixing nut, and the first power terminal and the second power terminal are electrically connected to the controller and the power supply through the wire channel.

[0014] In this solution, the first power terminal and the second power terminal can be connected to the controller and the power supply to realize power supply and switch control of the lamp, which is conducive to automatic control of the start and stop of the sterilization device.

[0015] Preferably, the water tank includes a first sealing ring and a second sealing ring, the first sealing ring is arranged between the lampshade and the connecting part, the first sealing ring has an axial cross-section of "L" shape, the lampshade is sealed and connected to the connecting part along the circumferential and axial directions of the lampshade through the first sealing ring, a second sealing ring is arranged between the first fixing nut and the first flange, and the first fixing nut and the first flange are sealed and connected through the second sealing ring.

[0016] In the present solution, the first sealing ring and the second sealing ring are provided to isolate the interior of the lamp tube and the space between the water tank and the lamp tube when water is stored in the water tank, thereby keeping the interior of the lamp tube dry. Further, the first sealing ring is provided as an "L"-shaped sealing ring to increase the contact area between the lamp tube and the connecting part and the sealing ring, further ensuring the sealing, so as to further keep the interior of the lamp tube dry, thereby avoiding short circuit or other failures between the lamp tube and the power terminal due to a humid environment.

[0017] Preferably, the water tank further comprises a heater, wherein the heater is arranged at the bottom of the tank body, the heater is arranged below the sterilization device, and a gap is left between the heater and the bottom end of the sterilization device, and the controller turns on the heater simultaneously when the sterilization device is turned on.

[0018] In this solution, a heater is provided to heat the water tank while sterilizing it, so that the water tank can heat hot water. The heater is provided at the bottom of the tank and can utilize the convection of the stored water for more efficient heating. When the controller turns on the sterilization device, turning on the heater at the same time can save time and improve work efficiency.

[0019] Preferably, the heater includes an M-shaped heating tube, a first electrode and a second electrode, the heating tube is arranged along a horizontal plane, both ends of the heating tube are respectively connected to the first electrode and the second electrode, and the first electrode and the second electrode are sequentially arranged on the side wall of the box along a vertical direction.

[0020] In this solution, the heater includes an M-shaped heating tube, which can increase the heating area and further improve the heating efficiency of the heater on the stored water. The heating tube is arranged along the horizontal plane, which further improves the convection effect of the stored water during the heating process. The first electrode and the second electrode are vertically arranged on the side wall of the box, making the power supply installation easier.

[0021] Preferably, a thermometer is arranged in the box body, a blind hole is arranged on the box body, the blind hole extends to the bottom of the inner side of the box body, and the thermometer is arranged in the blind hole.

[0022] In this solution, the blind hole extends to the bottom of the inner side of the box body, and the thermometer is set in the blind hole, which can ensure that the thermometer is lower than the water level of the stored water. This arrangement can make the stored water temperature measured by the thermometer more accurate while still keeping it dry.

[0023] Preferably, the box body comprises an upper box body and a lower box body, the upper box body is provided with a second flange, the lower box body is provided with a third flange, and the second flange and the third flange are detachably connected.

[0024] In this solution, the box body includes an upper box body and a lower box body, which are divided into upper and lower parts to avoid the difficulty of cleaning due to the excessive depth of the box body. The second flange and the third flange are detachably connected to facilitate disassembly and assembly. The specific connection method can be to drill holes on the second flange and the third flange, and fix the connection with fixing bolts. The simple disassembly method can improve the user's experience when cleaning.

[0025] Preferably, the water tank further includes a third sealing ring, the second flange includes a first groove, the third flange includes a second groove, the first groove and the second groove accommodate the third sealing ring, and the upper box body and the lower box body are sealed and connected via the third sealing ring.

[0026] In the present solution, by arranging the first groove and the second groove on the second flange and the third flange and jointly accommodating the third sealing ring, the upper box body and the lower box body can be sealed and connected, thereby preventing the water stored in the water tank from flowing out when the gap between the upper box body and the lower box body is submerged, thereby ensuring the sealing of the inside of the water tank.

[0027] Preferably, the sterilization device and the liquid level meter are fixedly connected to the upper box body, and the sterilization device extends from the upper box body into the interior of the box body.

[0028] In this solution, the sterilization device is fixedly connected to the upper box and extends into the interior of the box. The weight of the sterilization device is borne by the top of the upper box, and the connecting part is also correspondingly arranged on the upper box, so that the sterilization device has a more stable structure and avoids the sterilization device being disconnected from the fixed connection with the upper box due to the unstable supporting structure.

[0029] Preferably, the water tank also includes a heater, a fourth sealing ring and a second fixing nut, the heater is arranged on the lower box body, the lower box body is provided with two through holes, the two electrodes of the heater extend out of the box body through the through holes, the two electrodes are provided with threads and flanges, the electrodes and the second fixing nut are threadedly matched, the flange is arranged inside the lower box body, the electrodes are fixed to the lower box body through the second fixing nut and the flange, the fourth sealing ring is arranged between the flange and the inner side wall of the lower box body, and the heater is sealed and connected to the lower box body through the fourth sealing ring.

[0030] In this solution, the two electrodes of the heater extend from two through holes on the lower box body, so that the power supply can be placed externally, and the liquid does not contact the electrodes, thereby avoiding the danger that may occur when the electrodes are in a humid environment. At the same time, a firm fixation is achieved through the flange and the second fixing nut to avoid damage to the heater due to unstable fixation. At the same time, a fourth sealing ring is arranged between the flange and the inner wall of the lower box body to prevent the stored water from flowing out of the through hole.

[0031] Preferably, the water tank also includes a fifth sealing ring and a fixing hole, the bottom of the liquid level gauge is provided with a thread, the fixing hole is provided on the box body, the fixing hole is provided with an internal thread, the liquid level gauge and the fixing hole are threadedly connected, the fifth sealing ring is provided between the liquid level gauge and the fixing hole, and the liquid level gauge is sealed and connected to the box body through the fifth sealing ring.

[0032] In this solution, a thread is directly set at the bottom of the level meter and cooperates with the internal thread of the fixing hole, which simplifies the structure and firmly fixes the level meter on the box. A fifth sealing ring is set between the level meter and the fixing hole to further ensure the sealing of the box.

[0033] Preferably, the water tank further comprises a water inlet and a water outlet, wherein the water inlet is arranged on the side wall of the box body, and the water outlet is arranged on the top end surface of the box body.

[0034] In this solution, the water inlet is set at the bottom of the box, and the water outlet is set at the top of the box. Thermal convection can be used to ensure that the water at the outlet is heated, avoiding cold water leaving the water tank without being heated, and ensuring a stable outlet water temperature.

[0035] Preferably, the water tank further comprises a fixing bracket, and the fixing bracket is arranged at the bottom of the tank body.

[0036] In this solution, a fixed bracket is provided to further stabilize the posture of the water tank, avoid tipping over, and ensure the stability of the tank body.

[0037] Preferably, the water tank further comprises a sewage outlet and an exhaust hole, wherein the sewage outlet is arranged on the bottom end surface of the box body, and the exhaust hole is arranged on the top end surface of the box body.

[0038] In this solution, a drain hole is set to discharge sewage in the water tank, which is convenient for users to clean the inside of the tank. At the same time, an exhaust hole is set to help maintain the internal air pressure of the water tank stable, avoiding the water from boiling due to increased air pressure and causing the tank to rupture, thereby improving the safety of the water tank.

[0039] The utility model also provides a water dispenser, which is characterized in that the water dispenser comprises a water tank, a water supply part and a water outlet part. After the water supply part supplies water to the water tank, the water tank outlets water through the water outlet part.

[0040] In this solution, the water supply part of the water dispenser provides clean water to the water tank through the water inlet, and the water tank provides hot water to the water outlet part through the water outlet after heating and disinfection, thereby ensuring the water quality of the hot water while being simple and easy to operate.

[0041] The utility model also provides a water system for a water purifier, wherein the water system further comprises a filter, a water supply, a water tank, a drainage and a water outlet, and the water system enters from the upstream of the filter, passes through the filter and the water supply in sequence, and then reaches the water tank;

[0042] The filter unit comprises a first filter element, a second filter element, a third filter element, a water pump and a water inlet solenoid valve, wherein the first filter element, the water inlet solenoid valve, the water pump, the second filter element and the third filter element are arranged in sequence;

[0043] A first one-way valve is arranged between the filter part and the water supply part, and the water supply part is communicated with the exhaust hole and the water inlet respectively;

[0044] The drainage part is connected with the second filter element and the sewage hole respectively, a waste water solenoid valve and a second one-way valve are arranged between the drainage part and the second filter element in sequence, a drainage solenoid valve is arranged between the sewage outlet and the drainage part, the water outlet part includes a normal temperature port and a hot water port, the normal temperature port is connected with the water supply part, the hot water port is connected with the water outlet, a cold water outlet valve is arranged between the normal temperature port and the water supply part, and a hot water outlet valve is arranged between the hot water port and the water outlet.

[0045] In this solution, the water tank is used in the water system of the water purifier. The filter part and the water supply part provide filtered clean water to the water tank. After the water tank is heated, clean hot water is provided to the hot water outlet, realizing the functions of water purification, heating, sterilization and sewage discharge in the water purifier.

[0046] The positive progressive effect of the utility model is that the sterilization device passes through the wall of the box and directly extends into the interior of the box. When there is water stored in the box, the water stored in the box can be directly sterilized and disinfected. The liquid level meter is installed on the box and is used to detect the liquid level in the box. At the same time, the liquid level meter and the sterilization device are electrically connected to the controller. The controller controls the sterilization device to start when the liquid level meter detects that there is water stored in the box. The use of this solution can start the sterilization device in time, so that there are fewer colonies in the water outlet of the water tank in the initial stage of startup and it can meet the safety requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is the front view of the water tank in the utility model.

[0048] Figure 2 for Figure 1 Schematic diagram of the cross section at point A in the middle.

[0049] Figure 3 for Figure 2 A partial schematic diagram of point B in the middle.

[0050] Figure 4It is a top view of the water tank in the utility model.

[0051] Figure 5 for Figure 4 Schematic diagram of the cross section at point C in the middle.

[0052] Figure 6 for Figure 5 Partial schematic diagram at point D in the middle.

[0053] Figure 7 for Figure 5 Partial schematic diagram at point E in the middle.

[0054] Figure 8 It is a three-dimensional schematic diagram of the water tank in the utility model.

[0055] Fig. 9 It is a three-dimensional schematic diagram of the heater in the utility model.

[0056] Fig.10 It is a schematic diagram of the water system in the utility model.

[0057] Description of the drawings: box 1, upper box 101, second flange 1011, first groove 1012, lower box 102, third flange 1021, second groove 1022, connecting part 103, first fixing nut 104, wire channel 1041, third sealing ring 105, sterilization device 2, lampshade 201, lamp tube 202, spring 203, first power terminal 204, second power terminal 205, first flange 206, first sealing ring 207, second sealing ring 208, liquid level meter 3, heater 4, heating tube 401, electrode 402, first electrode 4021, second electrode 4022, fourth sealing ring 4 03, flange 404, second fixing nut 405, blind hole 5, fixing hole 6, fifth sealing ring 61, water inlet 701, water outlet 702, sewage outlet 703, exhaust hole 704, fixing bracket 705, filter part 8, first filter element 801, second filter element 802, third filter element 803, water pump 804, water inlet solenoid valve 805, first one-way valve 9, water supply part 10, water tank 11, water outlet part 12, normal temperature port 1201, cold water outlet valve 1202, hot water port 1203, hot water outlet valve 1204, drainage part 13, waste water solenoid valve 1301, drainage solenoid valve 1302, second one-way valve 1303. DETAILED DESCRIPTION

[0058] A preferred embodiment is given below, and the present invention is described more clearly and completely in conjunction with the accompanying drawings.

[0059] like Figure 2As shown, this embodiment provides a water tank, which includes a liquid level meter 3, a controller, a box body 1 and a sterilization device 2; the sterilization device 2 passes through the wall of the box body 1 and extends into the interior of the box body 1; the liquid level meter 3 is installed on the box body 1 and is used to detect the liquid level in the box body 1; the liquid level meter 3 and the sterilization device 2 are both electrically connected to the controller to start the sterilization device 2 according to the detection result of the liquid level meter 3.

[0060] In this embodiment, the sterilization device 2 passes through the wall of the box body 1 and directly extends into the interior of the box body 1. When there is water stored in the box body 1, the water stored in the box can be directly sterilized. The liquid level meter 3 is installed on the box body 1 and is used to detect the liquid level in the box body 1. At the same time, the liquid level meter 3 and the sterilization device 2 are electrically connected to the controller. The controller controls the sterilization device 2 to start when the liquid level meter 3 detects that there is water stored in the box body 1. The use of this solution can timely start the sterilization device 2, so that there are fewer colonies in the water outlet of the water tank at the initial startup and it can meet the safety requirements.

[0061] The controller in this embodiment automatically stops the sterilization device 2 after a fixed time has passed since the sterilization device 2 was started.

[0062] In this embodiment, the user can set the length of time for sterilization to continue after starting the sterilization. Automatically shutting down the sterilization device 2 can save electricity. At the same time, sterilization can still be continued after the water in the water tank is emptied, keeping the colonies inside the water tank in a small state, further avoiding the situation where there are more colonies in the water outlet at the initial startup due to the presence of more colonies in the box body 1.

[0063] like Figure 2 and Figure 4 As shown, the sterilization device 2 in this embodiment extends into the interior of the box body 1 along the vertical direction. The sterilization device 2 includes a lampshade 201 and a lamp tube 202. The lampshade 201 accommodates the lamp tube 202, and the lampshade 201 is connected to the center of the top of the box body 1.

[0064] In this embodiment, the sterilization device 2 extends into the interior of the box body 1 in the vertical direction, ensuring that the vertically stored water can be evenly sterilized. The lampshade 201 is used to accommodate the lamp tube 202 to protect the lamp tube 202 and prevent the lamp tube 202 from breaking and directly entering the stored water due to accidents. When the lamp tube 202 uses a mercury lamp, it avoids polluting the environment and the water in the box body 1 due to the breaking of the lamp tube 202, further ensuring the safety of the water tank.

[0065] like Figure 2 and Figure 4As shown, the sterilization device 2 in this embodiment also includes a spring 203, a first power terminal 204 and a second power terminal 205. The first power terminal 204 and the second power terminal 205 are respectively arranged at the two ends of the lamp tube 202. The spring 203 and the first power terminal 204 are arranged at the end of the lampshade 201 extending into the box body 1, and the first power terminal 204 is clamped in the spring 203.

[0066] In this embodiment, a first power terminal 204 and a second power terminal 205 are provided at two ends of the lamp tube 202 to provide power for the lamp tube 202. At the same time, a spring 203 is provided at the end of the lampshade 201 extending into the box body 1 to further prevent the lamp tube 202 from colliding due to vibration, thereby preventing the lamp tube 202 from breaking and polluting the environment and the water in the box body 1, thereby ensuring the safety of the water tank.

[0067] like Figure 2 and Figure 5 As shown, the spring 203 in this embodiment is a conical spring.

[0068] In this embodiment, the use of a conical spring can achieve a greater compression rate while having good elasticity, so that the lamp tube 202 supported by the spring 203 has a larger activity space, further improving the anti-vibration ability of the sterilization device 2 and improving the safety of the water tank.

[0069] like Figure 2 As shown, the two ends of the lamp tube 202 in this embodiment are also provided with plugs, and the first power terminal 204 and the second power terminal 205 are respectively provided with slots, and the first power terminal 204 and the second power terminal 205 are clamped on the plugs at both ends of the lamp tube 202 through the slots, and the first power terminal 204 and the second power terminal 205 are electrically connected to the lamp tube 202 through the plug.

[0070] In this embodiment, the plugs on both sides of the lamp tube 202 are clamped with the first power terminal 204 and the second power terminal 205, so that the lamp tube 202, the first power terminal 204 and the second power terminal 205 will not be displaced relative to each other, so that the lamp tube 202 is fixed to avoid damage to the lamp tube 202 due to vibration. At the same time, the electrical connection through the plug can avoid poor contact due to vibration, thereby affecting the sterilization effect. The use of this embodiment can make the sterilization device 2 work more safely and stably.

[0071] like Figure 4 As shown, the water tank in this embodiment also includes a connecting portion 103 and a first fixing nut 104. The connecting portion 103 is arranged at the top of the box body 1, and the connecting portion 103 is provided with an internal thread. The first fixing nut 104 and the box body 1 are threadedly matched. The end of the lampshade 201 close to the top of the box body 1 is provided with a first flange 206, and the first flange 206 is clamped between the first fixing nut 104 and the connecting portion 103.

[0072] In this embodiment, a first flange 206 is provided on the lampshade 201, and the lampshade 201 is clamped by the first fixing nut 104 and the connecting portion 103 to fix the lampshade 201. The structure is firm and can be easily disassembled for easy cleaning.

[0073] like Figure 1 , 3 As shown in FIGS. 5 and 6 , in this embodiment, a wire channel 1041 is provided on the first fixing nut 104 , and the first power terminal 204 and the second power terminal 205 are electrically connected to the controller and the power supply through the wire channel 1041 .

[0074] In this embodiment, the first power terminal 204 and the second power terminal 205 can be connected to the controller and the power supply to realize power supply and switch control of the lamp 202, which is conducive to automatic control of the start and stop of the sterilization device 2.

[0075] like Figure 3 As shown, the water tank in this embodiment includes a first sealing ring 207 and a second sealing ring 208. The first sealing ring 207 is arranged between the lampshade 201 and the connecting portion 103. The first sealing ring 207 has an axial cross-section of an "L" shape. The lampshade 201 is sealed and connected to the connecting portion 103 along the circumferential and axial directions of the lampshade 201 through the first sealing ring 207. The second sealing ring 208 is arranged between the first fixing nut 104 and the first flange 206. The first fixing nut 104 and the first flange 206 are sealed and connected through the second sealing ring 208.

[0076] In this embodiment, the first sealing ring 207 and the second sealing ring 208 are provided to isolate the interior of the lamp tube 202 and the space between the water tank and the lamp tube 202 when water is stored in the water tank, thereby keeping the interior of the lamp tube 202 dry. Further, the first sealing ring 207 is provided as an "L"-shaped sealing ring to increase the contact area between the lamp tube 202 and the connecting part 103 and the sealing ring, further ensuring the sealing, so as to further keep the interior of the lamp tube 202 dry, thereby avoiding short circuit or other failures between the lamp tube 202 and the power terminal due to a humid environment.

[0077] like Figure 2 and Figure 5 As shown, the water tank in this embodiment also includes a heater 4, which is arranged at the bottom of the box body 1. The heater 4 is arranged below the sterilization device 2 and a gap is left between the heater 4 and the bottom end of the sterilization device 2. The controller turns on the heater 4 at the same time when the sterilization device 2 is turned on.

[0078] In this embodiment, a heater 4 is provided which can heat the water tank while sterilizing it, so that the water tank can heat hot water. The heater 4 is provided at the bottom of the tank body 1 and can utilize the convection of the stored water for more efficient heating. When the controller turns on the sterilization device 2, turning on the heater 4 at the same time can save time and improve work efficiency.

[0079] like Figure 2 , 5 As shown in FIGS. 7 and 9 , the heater 4 in this embodiment includes an M-shaped heating tube 401, a first electrode 4021 and a second electrode 4022. The heating tube 401 is arranged along a horizontal plane, and both ends of the heating tube 401 are respectively connected to the first electrode 4021 and the second electrode 4022. The first electrode 4021 and the second electrode 4022 are sequentially arranged on the side wall of the box body 1 along a vertical direction.

[0080] In this embodiment, the heater 4 includes an M-shaped heating tube 401, which can increase the heating area and further improve the heating efficiency of the heater 4 on the stored water. The heating tube 401 is arranged along the horizontal plane to further improve the convection effect of the stored water during the heating process. The first electrode 4021 and the second electrode 4022 are vertically arranged on the side wall of the box body 1, making the power supply installation easier.

[0081] like Figure 2 , 4 As shown in , 5 and 8 , in this embodiment, a thermometer is arranged in the box body 1 , a blind hole 5 is arranged on the box body 1 , the blind hole 5 extends to the bottom of the inner side of the box body 1 , and the thermometer is arranged in the blind hole 5 .

[0082] In this embodiment, the blind hole 5 extends to the bottom of the inner side of the box body 1, and the thermometer is arranged in the blind hole 5, which can ensure that the thermometer is lower than the water level of the stored water. This arrangement can make the stored water temperature measured by the thermometer more accurate while still keeping it dry.

[0083] like Figure 1-8 As shown, the box body 1 in this embodiment includes an upper box body 101 and a lower box body 102. The upper box body 101 is provided with a second flange 1011, and the lower box body 102 is provided with a third flange 1021. The second flange 1011 and the third flange 1021 are detachably connected.

[0084] In this embodiment, the box body 1 includes an upper box body 101 and a lower box body 102, which are divided into upper and lower parts to avoid the difficulty of cleaning due to the excessive depth of the box body 1. The second flange 1011 and the third flange 1021 are detachably connected to facilitate disassembly and assembly. The specific connection method can be achieved by drilling holes on the second flange 1011 and the third flange 1021, and fixing the connection with fixing bolts. The simple disassembly method can improve the user's experience when cleaning.

[0085] like Figure 6As shown, the water tank in this embodiment also includes a third sealing ring 105, the second flange 1011 includes a first groove 1012, the third flange 1021 includes a second groove 1022, the first groove 1012 and the second groove 1022 accommodate the third sealing ring 105, and the upper box body 101 and the lower box body 102 are sealed and connected by the third sealing ring 105.

[0086] In this embodiment, by providing the first groove 1012 and the second groove 1022 on the second flange 1011 and the third flange 1021 and jointly accommodating the third sealing ring 105, the upper box body 101 and the lower box body 102 can be sealed and connected, thereby preventing the water in the water tank from flowing out when the gap between the upper box body 101 and the lower box body 102 is submerged, thereby ensuring the sealing of the inside of the water tank.

[0087] like Figure 2 As shown, the sterilization device 2 and the liquid level meter 3 in this embodiment are fixedly connected to the upper box body 101 , and the sterilization device 2 extends from the upper box body 101 into the interior of the box body 1 .

[0088] In this solution, the sterilization device 2 and the upper box body 101 are fixedly connected and extend into the interior of the box body 1. The weight of the sterilization device 2 is borne by the top of the upper box body 101, and the connecting part 103 is also correspondingly arranged on the upper box body 101, so that the sterilization device 2 has a more stable structure and avoids the sterilization device 2 being disconnected from the fixed connection with the upper box body 101 due to the unstable supporting structure.

[0089] like Figure 5 and Figure 6 As shown, the water tank in this embodiment also includes a heater 4, a fourth sealing ring 403 and a second fixing nut 405. The heater 4 is arranged on the lower box body 102. The lower box body 102 is provided with two through holes. The two electrodes 402 of the heater 4 extend out of the box body 1 through the through holes. The two electrodes 402 are provided with threads and flanges 404. The electrodes 402 and the second fixing nut 405 are threadedly matched. The flange 404 is arranged inside the lower box body 102. The electrode 402 is fixed to the lower box body 102 through the second fixing nut 405 and the flange 404. The fourth sealing ring 403 is arranged between the flange 404 and the inner side wall of the lower box body 102. The heater 4 is sealed and connected to the lower box body 102 through the fourth sealing ring 403.

[0090] In this embodiment, the two electrodes 402 of the heater 4 extend out from the two through holes on the lower box body 102, so that the power supply can be externalized, and the liquid does not contact the electrodes 402, thereby avoiding the danger that may occur when the electrodes 402 are in a humid environment. At the same time, a firm fixation is achieved through the flange 404 and the second fixing nut 405 to avoid damage to the heater 4 due to unstable fixation. At the same time, a fourth sealing ring 403 is arranged between the flange 404 and the inner wall of the lower box body 102 to prevent the stored water from flowing out of the through hole.

[0091] like Figure 2 As shown, the water tank in this embodiment also includes a fifth sealing ring 61 and a fixing hole 6, a thread is provided at the bottom of the liquid level gauge 3, a fixing hole 6 is provided on the box body 1, an internal thread is provided in the fixing hole 6, the liquid level gauge 3 and the fixing hole 6 are threadedly connected, a fifth sealing ring 61 is provided between the liquid level gauge 3 and the fixing hole 6, and the liquid level gauge 3 is sealed and connected to the box body 1 through the fifth sealing ring 61.

[0092] In this embodiment, a thread is directly provided at the bottom of the liquid level meter 3 and cooperates with the internal thread of the fixing hole 6, thereby simplifying the structure while firmly fixing the liquid level meter 3 on the box body 1. A fifth sealing ring 61 is provided between the liquid level meter 3 and the fixing hole 6 to further ensure the sealing of the box body 1.

[0093] like Figure 8 As shown, the water tank in this embodiment further includes a water inlet and a water outlet. The water inlet is arranged on the side wall of the box body 1, and the water outlet is arranged on the top end surface of the box body 1.

[0094] In this embodiment, the water inlet is set at the bottom of the box body 1, and the water outlet is set at the top of the box body 1. Thermal convection can be used to ensure that the water at the water outlet is heated, avoiding cold water leaving the water tank without heating, and ensuring the stability of the outlet water temperature.

[0095] like Figure 1 and Figure 5 As shown, the water tank in this embodiment also includes a fixing bracket, which is arranged at the bottom of the box body 1.

[0096] In this embodiment, a fixed bracket is provided to further stabilize the posture of the water tank, avoid tipping over, and ensure the stability of the tank body 1.

[0097] like Figure 2 and Figure 8 As shown, the water tank in this embodiment further includes a sewage outlet and an exhaust hole. The sewage outlet is arranged on the bottom end surface of the box body 1, and the exhaust hole is arranged on the top end surface of the box body 1.

[0098] In this embodiment, a drain hole is provided for discharging sewage in the water tank, which is convenient for users to clean the inside of the tank body 1. At the same time, an exhaust hole is provided to help maintain the internal air pressure of the water tank stable, avoiding the water from boiling due to increased air pressure and causing the tank body 1 to rupture, thereby improving the safety of the water tank.

[0099] This embodiment provides a water dispenser, which includes a water tank 11, a water supply unit 10 and a water outlet 12. After the water supply unit 10 supplies water to the water tank 11, the water tank 11 outlets water through the water outlet 12.

[0100] In this embodiment, the water supply part 10 of the water dispenser provides clean water to the water tank 11 through the water inlet. After the water tank 11 is heated and disinfected, it provides hot water to the water outlet part 12 through the water outlet, thereby ensuring the water quality of the hot water while being simple and easy to operate.

[0101] like Fig.10 As shown, this embodiment also provides a water system for a water purifier, the water system also includes a filter, a water supply 10, a water tank 11, a drainage 13 and a water outlet 12, the water system enters from the upstream of the filter, passes through the filter and the water supply 10 in sequence, and then reaches the water tank 11;

[0102] The filter unit includes a first filter element 801, a second filter element 802, a third filter element 803, a water pump 804 and a water inlet solenoid valve 805. The first filter element 801, the water inlet solenoid valve 805, the water pump 804, the second filter element 802 and the third filter element 803 are arranged in sequence;

[0103] A first one-way valve 9 is provided between the filter section and the water supply section 10, and the water supply section 10 is communicated with the exhaust hole and the water inlet respectively;

[0104] The drainage part 13 is connected with the second filter element 802 and the sewage hole respectively, and a waste water solenoid valve 1301 and a second one-way valve 1303 are arranged between the drainage part 13 and the second filter element 802 in sequence. A drainage solenoid valve 1302 is arranged between the sewage outlet and the drainage part 13. The water outlet part 12 includes a normal temperature port 1201 and a hot water port 1203. The normal temperature port 1201 is connected with the water supply part 10, and the hot water port 1203 is connected with the water outlet. A cold water outlet valve 1202 is arranged between the normal temperature port 1201 and the water supply part 10, and a hot water outlet valve 1204 is arranged between the hot water port 1203 and the water outlet.

[0105] In this embodiment, the water tank 11 is applied to the water system of the water purifier. The filter part and the water supply part 10 provide filtered clean water to the water tank 11. After the water tank 11 is heated, clean hot water is provided to the hot water outlet 1203, thereby realizing the functions of water purification, heating, sterilization and sewage discharge in the water purifier.

Claims

1. A water tank, characterized in that: The water tank includes a liquid level gauge, a controller, a tank body and a sterilization device; the sterilization device passes through the wall of the tank body and extends into the interior of the tank body; the liquid level gauge is installed on the tank body and is used to detect the liquid level in the tank body; the liquid level gauge and the sterilization device are both electrically connected to the controller to turn on the sterilization device according to the detection result of the liquid level gauge.

2. The water tank according to claim 1, characterized in that The sterilization device extends into the interior of the box along a vertical direction. The sterilization device comprises a lampshade and a lamp tube. The lampshade accommodates the lamp tube and is connected to the center of the top of the box.

3. The water tank according to claim 2, characterized in that The sterilization device also includes a spring, a first power terminal and a second power terminal, the first power terminal and the second power terminal are respectively arranged at the two ends of the lamp tube, the spring and the first power terminal are arranged at the end where the lampshade extends into the box body, and the first power terminal is stuck in the spring.

4. The water tank according to claim 3, characterized in that The water tank also includes a connecting part and a first fixing nut, wherein the connecting part is arranged at the top end of the box body and is provided with an internal thread, the first fixing nut and the box body thread cooperate, and the end of the lampshade close to the top end of the box body is provided with a first flange, and the first flange is clamped between the first fixing nut and the connecting part.

5. The water tank according to claim 4, characterized in that The water tank includes a first sealing ring and a second sealing ring. The first sealing ring is arranged between the lampshade and the connecting part. The cross-section of the first sealing ring in the axial direction of the first sealing ring is "L"-shaped. The lampshade is sealed and connected to the connecting part along the circumferential and axial directions of the lampshade through the first sealing ring. The second sealing ring is arranged between the first fixing nut and the first flange. The first fixing nut and the first flange are sealed and connected through the second sealing ring.

6. The water tank according to claim 1, characterized in that The water tank also includes a heater, which is arranged at the bottom of the box body. The heater is arranged below the sterilization device and leaves a gap between the heater and the bottom end of the sterilization device. The controller turns on the heater at the same time when the sterilization device is turned on.

7. The water tank according to claim 6, characterized in that The heater includes an M-shaped heating tube, a first electrode and a second electrode. The heating tube is arranged along a horizontal plane. Both ends of the heating tube are connected to the first electrode and the second electrode respectively. The first electrode and the second electrode are arranged in sequence on the side wall of the box along a vertical direction.

8. The water tank according to claim 7, characterized in that A thermometer is arranged in the box body. A blind hole is arranged on the box body. The blind hole extends to the bottom of the inner side of the box body. The thermometer is arranged in the blind hole.

9. The water tank according to claim 1, characterized in that The box body includes an upper box body and a lower box body, the upper box body is provided with a second flange, the lower box body is provided with a third flange, the second flange and the third flange are detachably connected, the water tank also includes a third sealing ring, the second flange includes a first groove, the third flange includes a second groove, the first groove and the second groove accommodate the third sealing ring, and the upper box body and the lower box body are sealed and connected via the third sealing ring.

10. A water dispenser, characterized in that: The water dispenser comprises a water tank, a water supply part and a water outlet part as described in any one of claims 1 to 9. After the water supply part supplies water to the water tank, the water tank outlets water through the water outlet part.

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