Water purifier with water adding function

Abstract

The utility model discloses a water purifier with a water adding function. The water purifier is provided with a water inlet and a purified water outlet; the water level control valve comprises a water tank, a first floater and a first valve body; the top end of the purified water input pipe is communicated with the accommodating cavity of the pure water cup, and the bottom end of the purified water input pipe is communicated with the purified water outlet; a communicating port is formed in the bottom of the water tank; the communicating port is communicated with the bottom of the pure water cup; a purified water input pipe is mounted at the bottom of the pure water cup; the water level control valve comprises a water tank, a first floater and a first valve body; the first valve body comprises a valve seat, a sliding pipe and a valve plug. The valve seat comprises a shunting seat, a water inlet pipeline and a water outlet pipeline; the shunting seat is mounted on one side of the valve seat, and a shunting water inlet hole A communicated with the water inlet pipeline and a shunting water outlet hole B communicated with the water outlet pipeline are formed in the shunting seat; a sliding pipe covers the outer side of the flow dividing base, and the sliding pipe and the flow dividing base form a valve cavity. A power supply is not needed, and the on-off of a water source input into the water purifier can be controlled through the water level control valve.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to a water purifier with a water adding function. Background Art

[0002] The prior art water purifier is always powered on when in standby mode. If it is not equipped with a water storage tank, the water purifier cannot provide purified water when the power is off. Even if it is equipped with a water storage tank, when the purified water in the water storage tank is used up, the water purifier cannot continue to provide purified water when the power is off.

[0003] When you need purified water, you need to turn on the faucet so that the water purifier can produce and output purified water. The user needs to wait until the purified water in the water container reaches the required amount before turning off the faucet to stop the water purifier from producing water. The waiting time is long, which affects the user experience. Utility Model Content

[0004] In view of the above-mentioned shortcomings, the purpose of the utility model is to provide a water purifier with a water adding function, which does not require power supply during the water making process and can add pure water to the pure water cup without manual operation.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A water purifier with a water adding function, comprising a water purifier installed in a housing, a water level control valve and a pure water cup; the water purifier is provided with a water inlet and a purified water outlet; a connecting port is provided at the bottom of the water tank; a purified water input pipe is installed at the bottom of the pure water cup;

[0007] The water level control valve comprises a water tank, a first float and a first valve body; the first valve body comprises a valve seat, a sliding tube and a valve plug; the water tank is provided with a high limit water level C and a low limit water level D; the valve seat comprises a diverter seat, an inlet pipe and an outlet pipe; the diverter seat is installed on one side of the valve seat, and the diverter seat is provided with a diverter water inlet hole A and a diverter water outlet hole B, the diverter water inlet hole A is connected to the inlet pipe, and the diverter water outlet hole B is connected to the outlet pipe;

[0008] The top end of the purified water input pipe is connected to the accommodating cavity of the pure water cup, and the bottom end of the purified water input pipe is connected to the purified water outlet through a first pipe; the communication port is connected to the bottom of the pure water cup through a second pipe; the water inlet pipe is used to communicate with an external water source; the water outlet pipe is connected to the water inlet through a third pipe; the outer side mask of the diverter seat is provided with a sliding pipe, and the sliding pipe and the diverter seat form a valve cavity; the sealing end of the sliding pipe penetrates into the water tank; the valve plug is slidably arranged in the sliding pipe; the body of the valve plug is made of a material that can be magnetically attracted;

[0009] The valve plug moves linearly along the sliding tube, and a sealing plug is installed at the end of the valve plug facing the diverter seat. A spring is also installed in the sliding tube, one end of the spring is pressed against the sealing end of the sliding tube, and the other end of the spring is pressed against the end of the valve plug away from the sealing plug, so that the sealing plug is aligned and used to close the diverter water inlet hole A, and the diverter water outlet hole B is in a normally open state;

[0010] A sliding tube accommodating position is provided at the bottom of the first float, and a magnetic block is provided inside the first float, and the magnetic block is arranged corresponding to the sliding tube accommodating position; the magnetic block is used to attract the valve plug so that the valve plug compresses the spring, so that the sealing plug moves toward the sealing end of the sliding tube, separates the sealing plug from the diversion water inlet hole A, and makes the water inlet pipeline and the water outlet pipeline conductive.

[0011] Furthermore, a rotating shaft is installed on the top of the side of the first float facing the first valve body;

[0012] The rotating shaft is rotatably mounted on the side wall of the water tank, the rotating shaft is located above the first valve body, and the rotating shaft extends in a direction perpendicular to the extending direction of the sliding tube.

[0013] Furthermore, it also includes a water collection box and a water leakage switch;

[0014] The water receiving box is installed at the bottom of the housing; the water purifier, the water level control valve, the pure water cup, the first pipe, the second pipe and the third pipe are all located above the water receiving box;

[0015] The water leakage switch is suspended below the pure water cup;

[0016] The water leakage switch comprises a second float and a second valve body; the second valve body is provided with a valve core, a water inlet hole and a water outlet hole;

[0017] The water inlet is used to communicate with an external water source; the water outlet is connected to the water inlet pipeline through a fourth pipe;

[0018] The second float is located at the bottom of the water leakage switch, and the bottom surface of the second float is close to the bottom surface of the water receiving box; the bottom end of the valve core is connected to the top surface of the second float, and the top end of the valve core is inserted between the water inlet hole and the water outlet hole in a liftable manner; the top end of the valve core controls the connection between the water inlet hole and the water outlet hole;

[0019] The water receiving box is used to receive water leakage from the water purifier, the water level control valve, the pure water cup, the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the water inlet hole and the water outlet hole.

[0020] Furthermore, it also includes a waterway plate, a first water pipe, a second water pipe, a third water pipe and a fourth water pipe;

[0021] The waterway plate is located between the water purifier and the pure water cup, the waterway plate is located below the water level control valve, and the waterway plate is installed on the top surface of the water receiving box;

[0022] The waterway plate includes a first waterway connecting pipe, a second waterway connecting pipe and a third waterway connecting pipe;

[0023] The input end of the first water channel connecting pipe is connected to an external water source, the output end of the first water channel connecting pipe is connected to the input end of the fourth water pipe, the output end of the fourth water pipe is connected to the water inlet hole, the water outlet hole is connected to the input end of the first water pipe, and the output end of the first water pipe is connected to the water inlet pipeline; the first water pipe is the fourth pipeline;

[0024] The input end of the second water pipe is connected to the water outlet pipe, the output end of the second water pipe is connected to the input end of the third water connection pipe, and the output end of the third water connection pipe is connected to the water inlet; the second water pipe and the third water connection pipe constitute the third pipeline;

[0025] The input end of the second water circuit connecting pipe is connected to the purified water outlet, the output end of the second water circuit connecting pipe is connected to the bottom end of the purified water input pipe, and the second water circuit connecting pipe is located in the first pipeline;

[0026] The upper end of the third water pipe is connected to the connecting port, and the lower end of the third water pipe is connected to the bottom of the pure water cup; the third water pipe is the second pipeline.

[0027] Furthermore, a water tank cover is installed on the top of the water tank;

[0028] A breathable cover is installed on the top of the pure water cup; a vent hole is opened on the water tank cover;

[0029] The vent hole passes through the water tank cover and is communicated with the top of the inner cavity of the water tank.

[0030] Preferably, the top surface of the water tank cover is lower than the top surface of the pure water cup.

[0031] Furthermore, the water purifier is also provided with a wastewater discharge pipe;

[0032] The waterway plate also includes a fourth waterway connecting pipe;

[0033] An RO membrane filter element is installed in the water purifier, and the inner end of the wastewater outlet is connected to the initial filter end of the RO membrane filter element;

[0034] The input end of the fourth water channel connecting pipe is connected to the outer end of the wastewater discharge pipe, and the output end of the fourth water channel connecting pipe is connected to the external drainage pipe.

[0035] The beneficial effect of the technical solution of the utility model is that the water purifier with water adding function uses the water pressure of tap water and controls the on-off of the water source input into the water purifier through a water level control valve, so that the pure water cup can be kept with sustainable pure water at any time, no power supply is required, and the user's waiting time can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of the water purifier with water adding function without a casing of the utility model;

[0037] Figure 2 for Figure 1 The structural diagram of the water level control valve in FIG.

[0038] Figure 3 for Figure 1 Front view of

[0039] Figure 4 It is a structural schematic diagram of the water purifier with water adding function including a housing of the utility model;

[0040] Figure 5 It is a schematic diagram of the cross-sectional structure of the water level control valve;

[0041] Figure 6 for Figure 5 A local enlarged view of part P in FIG.

[0042] Figure 7 It is a schematic diagram of the assembly structure of the water level control valve and the first float;

[0043] Wherein: diverter water inlet A; diverter water outlet B; water purifier 1; water level control valve 2; pure water cup 3; water leakage switch 4; water circuit board 5; housing 10; water inlet 11; purified water outlet 12; waste water discharge pipe 13; water receiving box 20; water tank 21; first valve body 22; water tank cover 23; first float 24; purified water input pipe 31; cover body 32; second float 41; second valve body 42; first water circuit connecting pipe 51; second water circuit connecting pipe 52; The third water circuit connecting pipe 53; the fourth water circuit connecting pipe 54; the first water pipe 101; the second water pipe 102; the third water pipe 103; the fourth water pipe 104; the connecting port 211; the valve seat 221; the sliding pipe 222; the valve plug 223; the spring 224; the vent hole 231; the sliding pipe accommodating position 240; the water inlet hole 421; the water outlet hole 422; the valve core 423; the diverter seat 2211; the water inlet pipeline 2212; the water outlet pipeline 2213. DETAILED DESCRIPTION

[0044] The following is combined with Figure 1-7 The technical solution of the utility model is further illustrated by specific implementation methods.

[0045] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, which can be said to be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] A water purifier with a water adding function, comprising a water purifier 1, a water level control valve 2 and a pure water cup 3 installed in a housing 10;

[0048] The water purifier 1 is provided with a water inlet 11 and a purified water outlet 12; a communication port 211 is provided at the bottom of the water tank 21; a purified water input pipe 31 is installed at the bottom of the pure water cup 3;

[0049] The water level control valve 2 includes a water tank 21, a first float 24 and a first valve body 22; the first valve body 22 includes a valve seat 221, a sliding tube 222 and a valve plug 223; the water tank 21 is provided with a high limit water level C and a low limit water level D; the valve seat 221 includes a diverter seat 2211, an inlet pipe 2212 and an outlet pipe 2213; the diverter seat 2211 is installed on one side of the valve seat 221, and the diverter seat 2211 is provided with a diverter water inlet hole A and a diverter water outlet hole B, the diverter water inlet hole A is connected to the inlet pipe 2212, and the diverter water outlet hole B is connected to the outlet pipe 2213;

[0050] The top end of the purified water input pipe 31 is connected to the accommodating cavity of the pure water cup 3, and the bottom end of the purified water input pipe 31 is connected to the purified water outlet 12 through a first pipe; the communication port 211 is connected to the bottom of the pure water cup 3 through a second pipe; the water inlet pipe 2212 is used to communicate with an external water source; the water outlet pipe 2213 is connected to the water inlet 11 through a third pipe; the outer side mask of the diverter seat 2211 is provided with a sliding pipe 222, and the sliding pipe 222 and the diverter seat 2211 constitute a valve cavity; the sealing end of the sliding pipe 222 penetrates into the water tank 21; the valve plug 223 is slidably arranged in the sliding pipe 222; the body of the valve plug 223 is made of a material that can be magnetically attracted;

[0051] The valve plug 223 moves linearly along the sliding tube 222, and a sealing plug is installed at the end of the valve plug 223 facing the diverter seat 2211. A spring 224 is also installed in the sliding tube 222, and one end of the spring 224 is pressed against the sealing end of the sliding tube 222, and the other end of the spring 224 is pressed against the end of the valve plug 223 away from the sealing plug, so that the sealing plug is aligned and used to close the diverter water inlet hole A, and the diverter water outlet hole B is in a normally open state;

[0052] A sliding tube accommodation position 240 is provided at the bottom of the first float 24, and a magnetic block 241 is provided inside the first float 24, and the magnetic block 241 is arranged corresponding to the sliding tube accommodation position 240;

[0053] The magnetic block 241 is used to attract the valve plug 223, so that the valve plug 223 compresses the spring 224, so that the sealing plug moves toward the sealing end of the sliding tube 222, separates the sealing plug from the diversion water inlet hole A, and connects the water inlet pipeline 2212 and the water outlet pipeline 2213.

[0054] like Figure 1 , Figure 2 and Figure 3 As shown, the water level control valve 2 is installed between the water purifier 1 and the pure water cup 3. Figure 5As shown, the water tank 21 is provided with a high water level limit C and a lower water level limit D.

[0055] like Figure 1-6 As shown, the water purifier with water adding function of the utility model uses tap water as the water source. The tap water enters the first valve body 22 through the water inlet pipe 2212, and then enters the water purifier 1 through the water outlet pipe 2213 and the water inlet 11. After being filtered by the water purifier 1, it forms pure water. The pure water is successively transported to the pure water cup 3 through the purified water outlet 12 and the purified water input pipe 31. With the increase of purified water input into the pure water cup 3, the water level in the pure water cup 3 rises. At the same time, the water level of the water tank 21 connected to the bottom of the pure water cup 3 also rises synchronously, and the first float 24 rises accordingly.

[0056] When the water level in the water tank 21 reaches the maximum water level C, the first float 24 rises and moves the magnetic block 241 away from the sealing end of the sliding tube 222. The spring 224 stretches and resets, causing the valve plug 223 to slide along the sliding tube 222 toward the diverter seat 2211, thereby causing the sealing plug installed at the end of the valve plug 223 to close the diverter water inlet hole A, thereby disconnecting the water inlet pipe 2212 and the water outlet pipe 2213, and then shutting off the tap water input into the water purifier 1, causing the water purifier 1 to stop making water.

[0057] On the contrary, when the water level of the water tank 21 drops and is lower than the lower limit water level D, the magnet 241 that follows the first float 24 to descend approaches the sealing end of the sliding tube 222. Under the action of the magnetic attraction of the magnet 241, the valve plug 223 slides along the sliding tube 222 toward the magnet 241, and the valve plug 223 compresses the spring 224 and moves the sealing plug toward the sealing end of the sliding tube 222, thereby separating the sealing plug from the diversion water inlet hole A, and then connecting the water inlet pipe 2212 and the water outlet pipe 2213. The tap water enters the first valve body 22 through the water inlet pipe 2212, and then enters the water purifier 1 through the water outlet pipe 2213 and the water inlet 11, so that the water purifier 1 starts to filter pure water again.

[0058] The water making process of the above water purifier 1 utilizes the water pressure of tap water and controls the on-off of the water source input into the water purifier 1 through the water level control valve 2, so that the pure water cup 3 can always maintain sustainable pure water. The opening and closing of the water level control valve 2 does not require the use of power, and can also save the user's waiting time.

[0059] Furthermore, a rotating shaft 242 is installed on the top of the side of the first float 24 facing the first valve body 22;

[0060] The rotating shaft 242 is rotatably mounted on the side wall of the water tank 21 . The rotating shaft 242 is located above the first valve body 22 . The rotating shaft 242 extends in a direction perpendicular to the extending direction of the sliding tube 222 .

[0061] like Figure 5 and Figure 7 As shown, the trajectory of the up and down movement of the first float 24 can be limited by the rotating shaft 242. When the first float 24 is at a low position, it can ensure that the sliding tube 222 is accommodated in the sliding tube accommodating position 240, thereby ensuring the opening and closing effectiveness of the water level control valve 2 during operation.

[0062] Furthermore, it also includes a water receiving box 20 and a water leakage switch 4;

[0063] The water receiving box 20 is installed at the bottom of the housing 10; the water purifier 1, the water level control valve 2, the pure water cup 3, the first pipe, the second pipe and the third pipe are all located above the water receiving box 20;

[0064] The water leakage switch 4 is suspended below the pure water cup 3;

[0065] The water leakage switch 4 includes a second float 41 and a second valve body 42; the second valve body 42 is provided with a valve core 423, a water inlet hole 421 and a water outlet hole 422;

[0066] The water inlet 421 is used to communicate with an external water source; the water outlet 422 is connected to the water inlet pipeline 2212 through a fourth pipe;

[0067] The second float 41 is located at the bottom of the water leakage switch 4, and the bottom surface of the second float 41 is close to the bottom surface of the water receiving box 20; the bottom end of the valve core 423 is connected to the top surface of the second float 41, and the top end of the valve core 423 is inserted between the water inlet hole 421 and the water outlet hole 422 in a liftable manner; the top end of the valve core 423 controls the connection and disconnection between the water inlet hole 421 and the water outlet hole 422;

[0068] The water receiving box 20 is used to receive water leakage from the water purifier 1 , the water level control valve 2 , the pure water cup 3 , the first pipe, the second pipe, the third pipe, the fourth pipe, the water inlet hole 421 and the water outlet hole 422 .

[0069] like Figure 1 , Figure 3 and Figure 4As shown, when water leaks at any connection part of the water purifier 1, the water level control valve 2, the pure water cup 3, the first pipe, the second pipe, the third pipe, the fourth pipe, the water inlet hole 421 and the water outlet hole 422, the leaked water drops into the water receiving box 20. As time goes by, the leaked water accumulated in the water receiving box 20 causes the water level to rise continuously, and the second float 41 drives the valve core 423 to rise with the water level. When the water level in the water receiving box 20 reaches the set water level, the valve core 423 rises to the highest position and disconnects the water inlet hole 411 and the water outlet hole 412, thereby closing the external water source input from the water inlet hole 411, thereby preventing the leakage from continuing to increase and overflowing the water receiving box 20, and preventing the indoor water immersion phenomenon caused by the use of the water purifier with water adding function.

[0070] Furthermore, it also includes a waterway plate 5, a first water pipe 101, a second water pipe 102, a third water pipe 103 and a fourth water pipe 104;

[0071] The waterway plate 5 is located between the water purifier 1 and the pure water cup 3, the waterway plate 5 is located below the water level control valve 2, and the waterway plate 5 is installed on the top surface of the water receiving box 20;

[0072] The water channel plate 5 includes a first water channel connecting pipe 51, a second water channel connecting pipe 52 and a third water channel connecting pipe 53;

[0073] The input end of the first water channel connecting pipe 51 is connected to an external water source, the output end of the first water channel connecting pipe 51 is connected to the input end of the fourth water pipe 104, the output end of the fourth water pipe 104 is connected to the water inlet hole 421, the water outlet hole 422 is connected to the input end of the first water pipe 101, and the output end of the first water pipe 101 is connected to the water inlet pipeline 2212; the first water pipe 101 is the fourth pipeline;

[0074] The input end of the second water pipe 102 is connected to the water outlet pipe 2213, the output end of the second water pipe 102 is connected to the input end of the third water connection pipe 53, and the output end of the third water connection pipe 53 is connected to the water inlet 11; the second water pipe 102 and the third water connection pipe 53 constitute the third pipeline;

[0075] The input end of the second water connection pipe 52 is connected to the purified water outlet 12, the output end of the second water connection pipe 52 is connected to the bottom end of the purified water input pipe 31, and the second water connection pipe 52 is located in the first pipeline;

[0076] The upper end of the third water pipe 103 is connected to the communication port 211 , and the lower end of the third water pipe 103 is connected to the bottom of the pure water cup 3 ; the third water pipe 103 is the second pipeline.

[0077] like Figure 1 , Figure 3 and Figure 4 As shown, the waterway plate 5 can improve the installation convenience of the pipeline inside the machine and the pipeline outside the machine, and shorten the use length of the pipeline inside the machine.

[0078] Furthermore, a water tank cover 23 is installed on the top of the water tank 21;

[0079] A breathable cover 32 is installed on the top of the pure water cup 3; a vent hole 231 is opened on the water tank cover 23;

[0080] The vent hole 231 passes through the water tank cover 23 and communicates with the top of the inner cavity of the water tank 21 .

[0081] like Figure 2 As shown, the water tank cover 23 is provided with a vent hole 231 to prevent the inner cavity of the water tank 21 from forming an air chamber, thereby preventing the water level in the water tank 21 from rising and falling synchronously with the water level in the pure water cup 3 .

[0082] Preferably, the top surface of the water tank cover 23 is lower than the top surface of the pure water cup 3 .

[0083] like Figure 1 and 3 As shown, this can avoid the phenomenon that the pure water cup 3 overflows due to the high limit water level C being too high.

[0084] Furthermore, the water purifier 1 is also provided with a wastewater discharge pipe 13;

[0085] The waterway plate 5 also includes a fourth waterway connecting pipe 54;

[0086] The water purifier 1 is provided with an RO membrane filter element, and the inner side end of the wastewater outlet 13 is connected to the initial filter end of the RO membrane filter element;

[0087] The input end of the fourth water channel connecting pipe 54 is connected to the outer end of the wastewater discharge pipe 13, and the output end of the fourth water channel connecting pipe 54 is connected to the external drainage pipe.

[0088] like Figure 1 and Figure 4 As shown, concentrated water from the initial filtering end of the RO membrane filter element for cleaning is discharged outwardly through the wastewater discharge pipe 13 and the fourth water channel connecting pipe 54.

[0089] In summary, if Figure 1-7In the embodiment of the utility model shown, the water purifier with water adding function utilizes the water pressure of tap water and controls the on-off of the water source input into the water purifier 1 through the water level control valve 2, so that the pure water cup 3 can keep sustainable pure water at any time, does not need to use power, and can also save the user's waiting time.

[0090] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A water purifier with a water adding function, characterized in that: It includes a water purifier, a water level control valve and a pure water cup installed in the housing; the water purifier is provided with a water inlet and a purified water outlet; a purified water input pipe is installed at the bottom of the pure water cup; The water level control valve comprises a water tank, a first float and a first valve body; a connecting port is provided at the bottom of the water tank; the first valve body comprises a valve seat, a sliding tube and a valve plug; the water tank is provided with a high limit water level C and a low limit water level D; the valve seat comprises a diverter seat, an inlet pipe and an outlet pipe; the diverter seat is installed on one side of the valve seat, and the diverter seat is provided with a diverter water inlet hole A and a diverter water outlet hole B, the diverter water inlet hole A is connected to the inlet pipe, and the diverter water outlet hole B is connected to the outlet pipe; The top end of the purified water input pipe is connected to the accommodating cavity of the pure water cup, and the bottom end of the purified water input pipe is connected to the purified water outlet through a first pipe; the communication port is connected to the bottom of the pure water cup through a second pipe; the water inlet pipe is used to communicate with an external water source; the water outlet pipe is connected to the water inlet through a third pipe; the outer side mask of the diverter seat is provided with a sliding pipe, and the sliding pipe and the diverter seat form a valve cavity; the sealing end of the sliding pipe penetrates into the water tank; the valve plug is slidably arranged in the sliding pipe; the body of the valve plug is made of a material that can be magnetically attracted; The valve plug moves linearly along the sliding tube, and a sealing plug is installed at the end of the valve plug facing the diverter seat. A spring is also installed in the sliding tube, one end of the spring is pressed against the sealing end of the sliding tube, and the other end of the spring is pressed against the end of the valve plug away from the sealing plug, so that the sealing plug is aligned and used to close the diverter water inlet hole A, and the diverter water outlet hole B is in a normally open state; A sliding tube accommodating position is provided at the bottom of the first float, and a magnetic block is provided inside the first float, and the magnetic block is arranged corresponding to the sliding tube accommodating position; the magnetic block is used to attract the valve plug so that the valve plug compresses the spring, so that the sealing plug moves toward the sealing end of the sliding tube, separates the sealing plug from the diversion water inlet hole A, and makes the water inlet pipeline and the water outlet pipeline conductive.

2. The water purifier with water adding function according to claim 1, characterized in that: A rotating shaft is installed on the top of the side of the first float facing the first valve body; The rotating shaft is rotatably mounted on the side wall of the water tank, the rotating shaft is located above the first valve body, and the rotating shaft extends in a direction perpendicular to the extending direction of the sliding tube.

3. The water purifier with water adding function according to claim 1, characterized in that: It also includes a water collection box and a water leakage switch; The water receiving box is installed at the bottom of the housing; the water purifier, the water level control valve, the pure water cup, the first pipe, the second pipe and the third pipe are all located above the water receiving box; The water leakage switch is suspended below the pure water cup; The water leakage switch comprises a second float and a second valve body; the second valve body is provided with a valve core, a water inlet hole and a water outlet hole; The water inlet is used to communicate with an external water source; the water outlet is connected to the water inlet pipeline through a fourth pipe; The second float is located at the bottom of the water leakage switch, and the bottom surface of the second float is close to the bottom surface of the water receiving box; the bottom end of the valve core is connected to the top surface of the second float, and the top end of the valve core is inserted between the water inlet hole and the water outlet hole in a liftable manner; the top end of the valve core controls the connection between the water inlet hole and the water outlet hole; The water receiving box is used to receive water leakage from the water purifier, the water level control valve, the pure water cup, the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the water inlet hole and the water outlet hole.

4. The water purifier with water adding function according to claim 3, characterized in that: It also includes a waterway plate, a first water pipe, a second water pipe, a third water pipe and a fourth water pipe; The waterway plate is located between the water purifier and the pure water cup, the waterway plate is located below the water level control valve, and the waterway plate is installed on the top surface of the water receiving box; The waterway plate includes a first waterway connecting pipe, a second waterway connecting pipe and a third waterway connecting pipe; The input end of the first water channel connecting pipe is connected to an external water source, the output end of the first water channel connecting pipe is connected to the input end of the fourth water pipe, the output end of the fourth water pipe is connected to the water inlet hole, the water outlet hole is connected to the input end of the first water pipe, and the output end of the first water pipe is connected to the water inlet pipeline; the first water pipe is the fourth pipeline; The input end of the second water pipe is connected to the water outlet pipe, the output end of the second water pipe is connected to the input end of the third water connection pipe, and the output end of the third water connection pipe is connected to the water inlet; the second water pipe and the third water connection pipe constitute the third pipeline; The input end of the second water circuit connecting pipe is connected to the purified water outlet, the output end of the second water circuit connecting pipe is connected to the bottom end of the purified water input pipe, and the second water circuit connecting pipe is located in the first pipeline; The upper end of the third water pipe is connected to the connecting port, and the lower end of the third water pipe is connected to the bottom of the pure water cup; the third water pipe is the second pipeline.

5. The water purifier with water adding function according to claim 1, characterized in that: A water tank cover is installed on the top of the water tank; A breathable cover is installed on the top of the pure water cup; a vent hole is opened on the water tank cover; The vent hole passes through the water tank cover and is communicated with the top of the inner cavity of the water tank.

6. The water purifier with water adding function according to claim 5, characterized in that: The top surface of the water tank cover is lower than the top surface of the pure water cup.

7. The water purifier with water adding function according to claim 4, characterized in that: The water purifier is also provided with a wastewater discharge pipe; The waterway plate also includes a fourth waterway connecting pipe; An RO membrane filter element is installed in the water purifier, and the inner end of the wastewater discharge pipe is connected to the initial filtering end of the RO membrane filter element; The input end of the fourth water channel connecting pipe is connected to the outer end of the wastewater discharge pipe, and the output end of the fourth water channel connecting pipe is connected to the external drainage pipe.

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