Water tank assembly of electric pedestal pan and electric pedestal pan
By integrating the impeller chamber and heating chamber into the electric toilet tank and directly connecting the water pump assembly and electric heating assembly, the problem of high leakage risk in electric toilet tanks is solved, achieving higher stability and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-04-10
AI Technical Summary
Existing electric toilets have many hose connections at the water tank, water pump, and electric heater, which increases the risk of leakage and affects the stability and safety of the equipment.
Design an electric toilet tank assembly that integrates an impeller chamber and a heating chamber on the tank, directly connects the water pump assembly and the electric heating assembly, reduces hose interfaces, uses one-piece injection molding to connect the heating chamber, and is equipped with a temperature sensor and thermostat to ensure heating accuracy and safety.
This effectively reduces the number of hose connections, lowers the risk of leakage, improves the working stability and safety performance of the water tank assembly, and enhances the reliability of the electric toilet.
Smart Images
Figure CN224106543U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a water tank assembly of an electric toilet and the electric toilet, and the IPC classification number is E03D 1 / 24 (2006.01). BACKGROUND
[0002] The existing electric toilet comprises a water tank, a water pump located downstream of the water tank, an electric heater and the like, wherein the water tank needs to be connected with the water inlet and outlet of the water pump and the electric heater through a plurality of hoses, the number of hose connection interfaces is large, and the risk of water leakage is high, and therefore there is a need for improvement.
[0003] The relevant terms and common knowledge can be found in the Mechanical Engineering Handbook and Electrical Engineering Handbook published by the Mechanical Industry Press in 1983 or 1997, and the National Standard GB / T 23131-2019 Household and Similar Electrical Toilet Seats. SUMMARY
[0004] To solve the problems described in the background, the utility model provides the following technical solutions:
[0005] A water tank assembly of an electric toilet, characterized in that the water tank is provided with a water storage cavity, an impeller cavity communicating with the water storage cavity, and a heating cavity adjacent to the impeller cavity, a first water outlet is arranged on the peripheral wall of the impeller cavity, and the heating cavity is provided with a second water inlet and a second water outlet; the impeller cavity is coaxially connected with a water pump assembly, the water pump assembly comprises a pump body, a stator fixed on the pump body, a rotor rotatably arranged in a barrel cavity of the pump body, and an impeller arranged on one side of the rotating shaft of the rotor, and the impeller is accommodated in the impeller cavity; the heating cavity coaxially accommodates an electric heating assembly, the electric heating assembly comprises an electric heating pipe, the electric heating pipe is inserted into the heating cavity through the second water inlet, the second water inlet of the heating cavity is sealingly connected with an end cover, and the end cover communicates the second water inlet with the first water outlet.
[0006] The water tank assembly of the utility model, the water tank is provided with the impeller cavity for assembling the water pump assembly and the heating cavity for assembling the electric heating assembly, the water tank can supply water to the water pump assembly and the electric heating assembly without the need for hoses, the number of hose interfaces when the water tank is connected with the water pump assembly and the electric heating assembly is reduced, the probability of water leakage of the water tank assembly is reduced, and the stability of the water tank assembly in operation is improved.
[0007] Further, the heating cavity is integrally injection-molded with the water tank.
[0008] Further, in the projection of the water tank in the plane perpendicular to the axis of the impeller cavity, the axis L1 of the first water outlet is parallel to the axis L2 of the heating cavity, and in the projection of the water tank in the plane parallel to the axis of the impeller cavity, the axis L3 of the impeller cavity is perpendicular to the axis L2 of the heating cavity.
[0009] Further, the heating cavity is located above the impeller cavity. Further, the water tank is provided with a water inlet, the water inlet is connected with the second water inlet of the heating cavity, and the water tank is provided with a water outlet, the water outlet is connected with the first water outlet of the impeller cavity. Further, the water tank is provided with a water inlet, the water inlet is connected with the second water inlet of the heating cavity, and the water tank is provided with a water outlet, the water outlet is connected with the first water outlet of the impeller cavity. Further, the water tank is provided with a water inlet, the water inlet is connected with the second water inlet of the heating cavity, and the water tank is provided with a water outlet, the water outlet is connected with the first water outlet of the impeller cavity.
[0010] Further, the first temperature sensor is fixed on the end cover, and the end cover comprises a first connecting part in a cylindrical shape, a second connecting part and a transition part connecting the first connecting part and the second connecting part, and the transition part is provided with an end cover hole for inserting the first temperature sensor.
[0011] Further, the heating cavity is provided with a first opening at the other end away from the second water inlet, and the first opening is sealingly connected with a first temperature controller.
[0012] Further, the heating cavity is provided with a boss part protruding from the upper surface adjacent to the second water inlet, the boss part is internally hollow to form a hollow cavity, the hollow cavity is provided with a third water outlet communicated with the second water outlet, and the opening of the hollow cavity is sealingly connected with a second temperature controller.
[0013] Further, the boss part is further provided with a boss hole communicated with the hollow cavity, and the boss hole is provided with a second temperature sensor.
[0014] Further, the hole communicated between the impeller cavity and the water storage cavity is provided with a rotating shaft support with a mounting hole, and one end of the rotating shaft is inserted into the mounting hole.
[0015] Further, the water tank assembly further comprises a water level switch fixed on the tank cover, and the water level switch extends into the water storage cavity.
[0016] The utility model discloses an electric toilet bowl:
[0017] An electric toilet bowl comprises a base, a water spraying assembly arranged on the base and any one of the above water tank assemblies, and the water tank assembly is located upstream of the spray washing assembly and is connected with the water spraying assembly through a hose.
[0018] The electric toilet bowl of the utility model greatly reduces the number of hose interfaces and the amount of waterway, reduces the risk of water leakage and improves the safety performance of the electric toilet bowl after assembling the water tank assembly.
[0019] The utility model discloses more specific design and technical effect, and further explanation is made in the specific embodiment in combination with the drawings. DRAWINGS
[0020] Figure 1 It is the three-dimensional structure schematic diagram of the water tank assembly of the electric toilet bowl of the utility model;
[0021] Figure 2 It is the exploded structure schematic diagram of the water tank assembly of the electric toilet bowl of the utility model;
[0022] Figure 3 It is the axial sectional view of the water tank assembly of the electric toilet bowl of the utility model;
[0023] Figure 4 It is the three-dimensional structure schematic diagram of the water tank of the utility model;
[0024] Figure 5 is another angle of the water tank of the utility model, and the three-dimensional structure schematic diagram is shown;
[0025] Figure 6 is a three-dimensional structure schematic diagram of the end cover of the utility model;
[0026] Figure 7 is a three-dimensional structure schematic diagram of the electric toilet bowl of the utility model;
[0027] Figure 8 is an internal waterway connection schematic diagram of the electric toilet bowl of the utility model;
[0028] Among them:
[0029] 100-water tank, 110-water storage cavity, 111-first water inlet, 120-heating cavity, 121-second water inlet, 122-second water outlet, 123-first opening, 130-impeller cavity, 131-first water outlet, 140-boss part, 141-hollow cavity, 142-third water outlet, 143-boss hole, 144-opened opening, 150-rotating shaft support, 151-mounting hole, 200-water pump assembly, 210-pump body, 220-stator, 230-rotor, 240-impeller, 250-rotating shaft, 260-rear cover, 300-electric heating assembly, 310-electric heating tube, 400-end cover, 410-first connecting part, 420-second connecting part, 430-transition part, 431-end cover hole, 510-first temperature sensor, 520-second temperature sensor, 610-first temperature controller, 620-second temperature controller, 700-tank cover, 800-water level switch DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0031] See Figure 1 And Figure 2 The utility model discloses a kind of water tank assembly 10 of electric toilet bowl, which includes water tank 100, tank cover 700, water pump assembly 200 fixedly installed on water tank 100, electric heating assembly 300 and end cover 400. Figures 2 to 5The water tank 100 is provided with a water storage cavity 110 for storing water, a heating cavity 120 for heating liquid, and an impeller cavity 130 for conveying liquid in the water storage cavity 110, and the heating cavity 120 is fixedly connected to the upper side adjacent to the impeller cavity 130. The heating cavity 120 is provided with a second water inlet 121 for water inflow and a second water outlet 122 for water outflow, and the impeller cavity 130 is provided with a first water inlet 111 communicated with the water storage cavity 110 and a first water outlet 131 for conveying liquid in the impeller cavity 130. Preferably, in order to reduce the assembly process, the heating cavity 120 is integrally injection-molded on the water tank 100, and of course, the heating cavity 120 can also be a separate injection-molded part which is fixed on the water tank 100 by a conventional connection process such as hot melt welding, clamping or screwing.
[0032] See Figure 2 and Figure 4 The water pump assembly 200 is coaxially connected to the impeller cavity 130 (that is, in the projection in the plane parallel to the axis of the impeller cavity, the axis of the water pump assembly 200 is parallel or close to parallel to the axis of the impeller cavity 130), and the impeller 240 of the water pump assembly 200 is accommodated in the impeller cavity 130 after installation. The electric heating assembly 300 includes an electric heating tube 310 which is inserted into the heating cavity 120 through the second water inlet 121. The end cover 400 is detachably sealed and connected to the outside of the second water inlet 121 by screws, and the first water outlet 131 of the impeller cavity 130 is communicated with the second water inlet 121 of the electric heater after assembly.
[0033] The water tank assembly of the utility model, the water tank is provided with an impeller cavity for assembling a water pump assembly and a heating cavity for assembling an electric heating assembly, the water tank can supply water to the water pump assembly and the electric heating assembly without a hose, the number of hose interfaces when the water tank is connected with the water pump assembly and the electric heating assembly is reduced, the probability of water leakage of the water tank assembly is reduced, and the stability of the water tank assembly is improved.
[0034] Preferably, see Figures 2 to 5 The heating cavity 120 of the water tank 100 is provided with a first opening 123 above the axis, and the water tank assembly 10 further includes a first temperature controller 610 which is arranged above the first opening 123 and seals the first opening 123 during assembly. This design facilitates the water tank assembly to detect the temperature of the heated liquid and avoids excessive heating of the liquid affecting subsequent use. Figure 3 and Figure 4For further improving the use safety of the water tank assembly, the water tank assembly 10 further comprises a second temperature controller 620, the outer surface of the heating cavity 120 of the water tank 100 is provided with a hollow columnar boss part 140 with an open part 144, the hollow space of the boss part 140 forms a hollow cavity 141, and the outer side wall surface of the boss part 140 is provided with a third water outlet 142 which is in communication with the hollow cavity 141, wherein the second temperature controller 620 is arranged on the open part 144 and covers the open part 144, and the second water outlet 122 is in communication with the hollow cavity 141 and the heating cavity 120.
[0035] Preferably, see Figure 1 or Figure 2 The water tank assembly 10 of the utility model further comprises a first temperature sensor 510 which is fixed to the end cover 400. Through the design, the water temperature before heating can be accurately measured, and the electric heating assembly can be adjusted in real time according to the signal of the first stable sensor, so that the heating precision of the water tank is improved.
[0036] Further, see Figure 3 and Figure 6 In order to facilitate the production of the end cover and the assembly of the first temperature sensor, the end cover 400 comprises a cylindrical first connecting part 410, a second connecting part 420 and a transition part 430 which connects the first connecting part 410 and the second connecting part 420, the transition part 430 is provided with an end cover hole 431, and when assembled, the first temperature sensor 510 is inserted into the end cover hole 431 and fixed to the end cover 400 by a screw.
[0037] See Figures 1 to 3 The water tank assembly 10 of the utility model further comprises a second temperature sensor 520, and the boss part 140 of the water tank 100 is further provided with a boss hole 143 which is in communication with the hollow cavity 141, and the second temperature sensor 520 is inserted and mounted on the boss hole 143. The design detects the temperature of the liquid after passing through the heating cavity, which is beneficial to the feedback of the water outlet temperature to the electric heating assembly, and further improves the heating precision of the water tank assembly.
[0038] See Figures 2 to 4 As a preferred embodiment, in the projection of the water tank in the plane perpendicular to the axis of the impeller cavity 130, the axis L1 of the first water outlet 131 of the impeller cavity 130 of the water tank 100 is parallel to the axis L2 of the heating cavity 120, and further, in the projection of the water tank in the plane parallel to the axis of the impeller cavity 130, the axis L3 of the impeller cavity 130 is perpendicular to the axis L2 of the heating cavity 120. Through the design, the water tank can be easily demolded during production, which is beneficial to the production of the water tank. Further, in order to reduce the leakage of the liquid in the water tank 100 and reduce the axial size of the water tank assembly, the electric heating assembly 300 is arranged above the water pump assembly 200.
[0039] SeeFigure 2 The water pump assembly of the utility model is fixed shaft structure, specifically, the water pump assembly 200 further includes a rotating shaft 250 fixed on the pump body 210, the first water inlet 111 of the water tank 100 is provided with a rotating shaft support 150 with a mounting hole 151, during assembly, the rotor 230 is inserted into the rotating shaft 250, and then the water pump assembly 200 is installed on the water tank 100, and after assembly, one end of the rotating shaft 250 is inserted into the mounting hole 151. Through the design, the damaged parts (such as the rotating shaft support) can be conveniently replaced and repaired. Of course, as other embodiments, the rotating shaft can also be arranged to be fixed on the rotor, and a bearing seat is arranged on the pump body, and the rotating shaft can be rotatably installed on the pump body through the bearing seat.
[0040] See Figures 1 to 3 In order to control the water inlet capacity, avoid water overflow caused by excessive water inlet, and improve the safety of the water tank assembly, the water tank assembly 10 further includes a water level switch 800 fixed on the tank cover 700, and after assembly, the water level switch 800 is partially inserted into the water storage cavity 110 of the water tank 100.
[0041] The utility model discloses an electric toilet, see Figure 7 The electric toilet includes a base 20, a seat ring 50, a casing 40 arranged on the base and a water tank assembly 10 (not shown) and a water spraying assembly 30 arranged in a space surrounded by the base 20 and the casing 40, wherein the water tank assembly 10 is arranged upstream of the spray washing assembly 30 and connected to the water spraying assembly 30 through a hose. Specifically, the pipeline connection of the electric toilet of the utility model is as shown in Figure 8 When working, the liquid in the water storage cavity 110 enters the impeller cavity 130 (not shown) through the first water inlet 111, and the liquid in the impeller cavity 130 is pushed by the impeller 230 and discharged from the first water outlet 131 into the end cover 400, and then enters the heating cavity 120 for heating. The liquid passing through the heating cavity 120 enters the hollow cavity 141 through the second water outlet 122, and the liquid passing through the hollow cavity 141 is discharged through the third water outlet 143 and reaches the water spraying assembly 30 through the hose for spraying and washing the user. The electric toilet of the utility model greatly reduces the number of hose interfaces and the amount of waterway after assembling the water tank assembly, reduces the risk of water leakage, and improves the safety performance of the electric toilet.
Claims
1. A water tank assembly of an electric toilet bowl, comprising a water tank (100) and a tank cover (700), characterized in that, the water tank (100) is provided with a water storage cavity (110), an impeller cavity (130) in communication with the water storage cavity (110), and a heating cavity (120) adjacent to the impeller cavity (130), a peripheral wall of the impeller cavity (130) is provided with a first water outlet (131), and the heating cavity (120) is provided with a second water inlet (121) and a second water outlet (122); the impeller cavity (130) is coaxially connected with a water pump assembly (200), the water pump assembly (200) comprises a pump body (210), a stator (220) fixed on the pump body, a rotor (230) rotatably arranged in a cylinder cavity of the pump body (210), and an impeller (240) arranged on a rotating shaft (250) of the rotor (230) to one side, and the impeller (240) is accommodated in the impeller cavity (130); the heating cavity (120) coaxially accommodates an electric heating assembly (300), the electric heating assembly (300) comprises an electric heating tube (310), the electric heating tube (310) is inserted into the heating cavity (120) through the second water inlet (121), the second water inlet (121) of the heating cavity (120) is sealingly connected with an end cover (400), and the end cover (400) communicates the second water inlet (121) with the first water outlet (131).
2. The water tank assembly of claim 1, wherein: The heating cavity (120) and the water tank (100) are integrally injection molded.
3. The water tank assembly of claim 1, wherein: In the projection of the water tank in the plane perpendicular to the axis of the impeller cavity (130), the axis L1 of the first water outlet (131) and the axis L2 of the heating cavity (120) are parallel to each other, and in the projection of the water tank in the plane parallel to the axis of the impeller cavity (130), the axis L3 of the impeller cavity (130) and the axis L2 of the heating cavity (120) are perpendicular to each other.
4. The water tank assembly of claim 3, wherein: The heating cavity (120) is located above the impeller cavity (130).
5. The water tank assembly of claim 1, wherein: A first temperature sensor (510) is fixedly arranged on the end cover (400), the end cover (400) comprises a cylindrical first connecting portion (410), a second connecting portion (420), and a transition portion (430) connecting the first connecting portion and the second connecting portion, and the transition portion (430) is provided with an end cover hole (431) for inserting the first temperature sensor (510).
6. The water tank assembly of claim 1, wherein: The heating cavity (120) is provided with a first opening (123) at the other end away from the second water inlet (121), and a first temperature controller (610) is sealingly connected to the first opening (123).
7. The water tank assembly of claim 1 or 6, wherein: The heating cavity (120) is provided with an open boss portion (140) on the upper surface adjacent to the second water inlet (121), the boss portion (140) is hollow inside to form a hollow cavity (141), the hollow cavity (141) is provided with a third water outlet (142) in communication with the second water outlet (122), and a second temperature controller (620) is sealingly connected to the open opening (144) of the hollow cavity (141).
8. The water tank assembly of claim 7, wherein: The boss part (140) is further provided with a boss hole (143) in communication with the hollow cavity (141), and a second temperature sensor (520) is arranged on the boss hole (143).
9. The water tank assembly of claim 1, wherein: A rotating shaft support (150) with a mounting hole (151) is arranged on the hole in communication between the impeller cavity (130) and the water storage cavity (110), and one end of the rotating shaft (250) is inserted into the mounting hole (151).
10. The water tank assembly of claim 1, wherein: A water level switch (800) fixed to the box cover (700) is further included, and the water level switch (800) extends into the water storage cavity (110).
11. An electric toilet bowl comprising a bowl (20) and a water jet assembly (30) provided on the bowl, characterized in that: The water tank assembly of any one of claims 1 to 10 is further included, and the water tank assembly is located upstream of the spray washing assembly and connected to the water spraying assembly (30) through a hose.