An appliance coupler pumping device

Abstract

The present invention provides an appliance coupler pumping device for an inner container and base separable liquid heater. The appliance coupler pumping device includes: a water inlet pipe assembly, which is in internal communication with the inner container through a first through hole; a water extraction pipe assembly, which is used to match with the water inlet pipe assembly and extract the liquid in the inner container when communicating with the water inlet pipe assembly. According to the technical solution proposed by the present invention, users do not need to lift the kettle, and the water in the inner container 20 of the kettle can flow out through the water inlet pipe assembly and the water extraction pipe assembly, reducing the occurrence of spilling, avoiding scalding for children, the elderly and users with physical disabilities, and having high safety.

Description

Technical Field

[0001] The invention relates to an automatic water-pumping electric kettle, in particular to a water-pumping device for an appliance coupler. Background Art

[0002] In daily life, electric kettles are essential household appliances in modern kitchens and living rooms because they are fast and convenient to boil. They are suitable for brewing tea, boiling water, beverages, and preparing milk for babies. Traditional kettles require users to lift the kettle and tilt it to pour water from the spout into an external water container. During this process, users need to concentrate highly. If they are not careful, water may spill, which is especially likely to cause burns to children, the elderly, and users with physical disabilities, posing a safety hazard. Existing electric kettles with automatic water discharge function do not have the inner tank separation function. The methods of filling water into the kettle and cleaning the inner tank are complicated, causing many inconveniences to users. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0004] In view of this, one object of the present invention is to provide an appliance coupler pumping device.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present invention provides an appliance coupler pumping device, including: a water inlet pipe assembly, which is connected to the interior of an inner tank through a first through hole; a pumping pipe assembly, which is used to match the water inlet pipe assembly and extract liquid from the inner tank when connected to the water inlet pipe assembly.

[0006] Furthermore, the water inlet pipe assembly includes a water inlet pipe and a water-sealing slider; the end of the water inlet pipe facing the inner tank is connected to the interior of the inner tank; the water-sealing slider is slidably disposed in the water inlet pipe, and is used to seal the end of the water inlet pipe away from the inner tank; preferably, the water inlet pipe assembly also includes a first sealing sleeve, the first sealing sleeve is disposed at the end of the water inlet pipe away from the inner tank, and the first sealing sleeve is embedded in the water inlet pipe; the first sealing sleeve is provided with a second through hole along the axial direction of the water inlet pipe, and the second through hole faces one end of the water-sealing slider to form a sealing groove that cooperates with the water-sealing slider.

[0007] Furthermore, a sealing ball is fixedly provided on one end of the water sealing slider facing the first sealing sleeve; the sealing groove of the second through hole is a spherical surface groove matched with the spherical surface of the sealing ball; preferably, the sealing ball is a stainless steel ball.

[0008] Furthermore, the inner wall and outer wall of the water inlet pipe near one end of the inner tank respectively extend along the radial direction of the water inlet pipe to form a first support part and a second support part; a spring is provided between the first support part and the second support part, one end of the spring is against the first support part, and the other end is against the water sealing slider.

[0009] Further, the water inlet pipe assembly further includes: a second seal sleeve, which is annular. The outer wall surface of the second seal sleeve abuts against the inner wall of the first through hole, and the inner wall surface of the second seal sleeve abuts against the outer wall of the water inlet pipe. Both ends of the second seal sleeve bulge radially along the water inlet pipe to respectively form an annular first seal portion and a second seal portion. The inner tank is clamped between the first seal portion and the seal portion, and on both sides of the second seal portion along the axial direction of the water inlet pipe, they respectively abut against the bottom of the inner tank and the second support portion.

[0010] Further, the water extraction pipe assembly includes: a water extraction pipe. A push rod is provided at one end of the water extraction pipe facing the inner tank. The push rod is used to pass through the second through hole to lift the sealing ball, so as to create a gap between the sealing ball and the sealing groove. Preferably, the water extraction pipe assembly further includes a caliper. Along the radial direction of the water extraction pipe, a stepped structure in the shape of a ring bulges on the outer wall of the water extraction pipe, and an annular card slot is further provided on the outer wall of the water extraction pipe. The caliper is detachably sleeved in the annular card slot for fixing the water extraction pipe on the appliance input socket.

[0011] Further, the water sealing slider includes a connecting portion and a plurality of sliding portions provided on the side of the connecting portion. The water sealing slider is in sliding contact with the inner wall of the water inlet pipe through the plurality of sliding portions. Preferably, a water leakage gap is provided between any two adjacent sliding portions. One side of the connecting portion facing the inner tank abuts against the spring, and the other side is fixedly connected to the sealing ball.

[0012] Further, along the radial direction of the water inlet pipe, the second through hole is provided with a ring-shaped protruding structure protruding from the inner wall of the second through hole. The inner diameter of the protruding structure is smaller than the outer diameter of the water extraction pipe, and is used to generate deformation and fit with the outer wall of the water extraction pipe when the water extraction pipe is inserted into the second through hole. The protruding structure and the inner wall of the second through hole are smoothly transitioned. Preferably, the protruding structure is one or more.

[0013] Further, the water extraction pipe assembly further includes: a water outlet pipe; a third seal sleeve. One end of the water extraction pipe away from the inner tank extends into the water outlet pipe, and the water extraction pipe is hermetically connected to the water outlet pipe through the third seal sleeve. The third seal sleeve includes a tubular seal connection portion and a water outlet portion provided at the lower end of the seal connection portion. The water outlet portion includes two relatively arranged water outlet wall surfaces. Along the water outlet direction, the distance between the two water outlet wall surfaces gradually decreases, and a slit-shaped water outlet is formed at the end of the water outlet portion. Preferably, the water extraction pipe assembly further includes a water extraction pump provided on the water outlet pipe.

[0014] Further, it further includes: a water leakage cap, which is a tubular metal part with a water leakage hole at one end. The water leakage cap is sleeved outside the water inlet pipe, and the inner wall surface of the second seal sleeve fits with the outer wall surface of the water leakage cap.

[0015] The beneficial effects brought by the technical solution provided by the embodiment of the present invention are as follows: The appliance coupler water pumping device for the separable liquid heater with an inner liner provided by the present invention includes a water inlet pipe and a water suction pipe correspondingly arranged on the connector. After the heater finishes heating the water in the inner liner, the user can make the water in the inner liner of the kettle flow out through the water inlet pipe assembly and the water suction pipe assembly without lifting the kettle, reducing the occurrence of spilling, avoiding scalding children, the elderly and users with inconvenient bodies, and having high safety. When the inner liner is taken out, the appliance input socket is separated from the connector, the water path is disconnected, and it is convenient for receiving water and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Fig. shows a top view structural schematic diagram of an appliance coupler water pumping device according to an embodiment of the present invention;

[0017] Figure 2 Fig. shows Figure 1 a sectional structural schematic diagram of part A-A in

[0018] Figure 3 Fig. shows Figure 2 a partial schematic diagram in

[0019] Figure 4 Fig. shows a sectional structural schematic diagram of a first sealing sleeve;

[0020] Figure 5 Fig. shows a sectional structural schematic diagram of a water suction pipe according to an embodiment of the present invention;

[0021] Figure 6 Fig. shows a sectional structural schematic diagram of a water inlet pipe according to an embodiment of the present invention;

[0022] Figure 7 Fig. shows a structural schematic diagram of a water sealing slider according to an embodiment of the present invention;

[0023] Figure 8 Fig. shows a structural schematic diagram of a third sealing sleeve according to an embodiment of the present invention.

[0024] The symbols in the figure are explained as follows:

[0025] 1 Connector, 2 Appliance input socket, 21 Mounting part, 20 Inner container, 22 Heating plate, 201 Leakage cap, 211 Leakage hole, 23 First through hole, 3 Water inlet pipe, 31 First support part, 32 Second support part, 4 Spring, 5 Water sealing slider, 51 Connection part, 52 Sliding part, 53 Sealing ball, 6 First sealing sleeve, 61 Second through hole, 611 Sealing groove, 612 Protrusion structure, 7 Second sealing sleeve, 71 First sealing part, 72 Second sealing part, 8 Water outlet pipe, 81 Third sealing sleeve, 811 Sealing connection part, 812 Water outlet part, 8121 Water outlet wall surface, 8122 Water outlet, 9 Water extraction pipe, 91 Step structure, 911 First step, 912 Second step, 92 Annular clamping groove, 93 Caliper, 94 Push rod, 941 Connection plate, 942 Top plate. Detailed implementation manner

[0026] To make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention and their beneficial effects will be further described in detail below with reference to the accompanying drawings.

[0027] The water extraction device of the automatic water extraction kettle is an important component that guides liquid from the bottom of the kettle directly to the spout through a conduit in the appliance coupler. This device has an anti-backflow mechanism. When the inner container is lifted, the inner container can be separated from the base water extraction assembly, and the liquid in the inner container will not leak from the bottom, facilitating the separate cleaning of the kettle body or directly receiving water.

[0028] As Figure 1 and Figure 2 shown, an embodiment of the present invention provides an appliance coupler water extraction device for a detachable liquid heater of the inner container, which is an important component for directly guiding liquid from the bottom of the kettle to the spout and discharging water from the kettle.

[0029] A first through hole 23 is provided at the bottom of the inner container 20, and a heating plate 22 is arranged at the bottom of the inner container 20. The first through hole 23 is used to allow the water in the inner container 20 to flow out through the first through hole 23 provided at the bottom of the inner container 20, and the heating plate 22 is used to heat the water in the inner container 20.

[0030] The appliance coupler pumping device includes: a connector 1 and an appliance input socket 2. The connector 1 is fixedly connected to a heating plate 22. A water inlet pipe assembly is provided at the central position of the connector 1. The appliance input socket 2 is inserted and cooperated with the connector 1. A water extraction pipe assembly is provided at the central position of the appliance input socket. Specifically, the connector 1 is fixed to the heating plate 22 by a plurality of bolts. A round hole is provided at the central position of the connector 1. The water inlet pipe assembly is arranged in the round hole of the connector 1. One end of the water inlet pipe assembly close to the inner container 20 extends into the first through hole 23 and is communicated with the inside of the inner container 20. Therefore, the liquid in the inner container 20 can flow into the water inlet pipe assembly. A round hole penetrating the appliance input socket 2 is provided at the central position of the appliance input socket 2. The water extraction pipe assembly is arranged in the round hole of the appliance input socket 2 and passes through the round hole. The appliance input socket 2 is inserted and cooperated with the connector 1. That is, when the kettle in the separable liquid heater of the inner container 20 is placed on the connector 1, the appliance input socket 2 is inserted into the connector 1. When the inner container 20 is placed in the base body, one end of the water extraction pipe assembly is inserted into the water inlet channel and communicated with the water inlet pipe assembly, so that the water path is communicated. The liquid in the inner container 20 sequentially flows out through the water inlet channel and the water extraction pipe assembly. Compared with the traditional kettle that requires the user to lift the kettle and tilt it to pour the water from the spout into an external water container, in the technical solution of the present invention, after the heater finishes heating the water in the inner container 20, the user does not need to lift the kettle, that is, the water in the inner container 20 of the kettle can flow out through the water inlet pipe assembly and the water extraction pipe assembly, reducing the occurrence of spilling and avoiding scalding for children, the elderly and users with physical disabilities, with high safety. When the inner container 20 is taken out, the appliance input socket 2 is separated from the connector 1, the water path is disconnected, and it is convenient for receiving water and cleaning.

[0031] Further, as Figure 2 and Figure 3 shown, the water inlet pipe assembly includes: a water inlet pipe 3, a water sealing slider 5, a first sealing sleeve 6, a second sealing sleeve 7, and a spring 4. Specifically, as Figure 6As shown, one end of the water inlet pipe 3 facing the inner liner 20 is connected to the interior of the inner liner 20, and the inner wall and outer wall of the water inlet pipe 3 near the inner liner 20 respectively extend along the radial direction of the water inlet pipe 3 to form a first supporting portion 31 and a second supporting portion 32, the water sealing slider 5 is slidably arranged in the water inlet pipe 3, the first sealing sleeve 6 is embedded in the water inlet pipe 3, and the first sealing sleeve 6 is located at the end of the water inlet pipe 3 away from the inner liner 20, and the first sealing sleeve 6 is provided with a second through hole 61 along the axial direction of the water inlet pipe 3, and the second through hole 61 forms a sealing groove 611 matched with the water sealing slider 5 toward one end of the water sealing slider 5, and a sealing ball 53 is fixedly arranged on the end of the water sealing slider 5 facing the first sealing sleeve 6, and the second through hole 61 is provided with a sealing groove 611 matched with the water sealing slider 5. The sealing groove 611 of the hole 61 is a spherical surface groove that matches the spherical surface of the sealing ball 53. One end of the spring 4 abuts against the first support part 31, and the other end abuts against the water-sealing slider 5. In detail, when the connector 1 and the appliance input socket 2 are in a separated state, the first support part 31 is used to provide support for the spring 4. On the one hand, it limits the position of the spring 4, and on the other hand, it provides supporting force for the spring 4. Under the gravity of the sealing ball 53 and the pushing action of the spring 4, the water-sealing slider 5 moves toward the first sealing sleeve 6, so that the sealing ball 53 abuts against the sealing groove 611, thereby blocking the second through hole 61 to prevent water in the inner liner 20 from leaking through the water inlet assembly when the inner liner 20 is separated from the base.

[0032] like Figure 6 As shown, four through holes are provided on the first supporting portion 31 so that water in the inner tank can flow into the water inlet pipe 3 through the through holes.

[0033] The sealing ball 53 is configured to be spherical, and the sealing groove 611 is also configured to be a groove of a spherical surface, so that the sealing ball 53 and the sealing groove 611 have a larger contact area when they abut against each other, thereby improving the sealing performance.

[0034] The sealing ball 53 is a stainless steel ball. On the one hand, the material density of the stainless steel ball is large, and the gravity of the stainless steel ball plus the downward elastic force of the spring 4 makes the water sealing effect between the sealing ball 53 and the sealing groove 611 better; on the other hand, the spherical surface of the stainless steel ball is smooth, and the first sealing groove 611 uses a material with good elasticity such as rubber or silicone, so that the stainless steel ball and the sealing groove 611 fit more closely, and the stainless steel ball is safe and will not rust.

[0035] The second sealing sleeve 7 is annular, and the outer wall surface of the second sealing sleeve 7 abuts against the inner wall of the first through hole 23, and the inner wall surface of the second sealing sleeve 7 abuts against the outer wall of the water inlet pipe 3, thereby sealing the connection position between the water inlet pipe 3 and the inner tank 20 to prevent the liquid in the inner tank 20 from leaking from the gap between the first through hole 23 and the tube wall of the water inlet pipe 3.

[0036] Furthermore, if Figure 3As shown, both ends of the second seal sleeve 7 bulge radially along the water inlet pipe 3 to form annular first seal portions 71 and second seal portions 72 respectively. The inner tank 20 is clamped between the first seal portion 71 and the seal portion, and on both sides of the second seal portion 72 along the axial direction of the water inlet pipe 3, they are in contact with the bottom of the inner tank 20 and the second support portion 32 respectively, so as to further improve the sealing performance of the connection between the water inlet pipe 3 and the inner tank 20. Specifically, an annular groove is also provided on the heating plate 22, and an annular protrusion corresponding to the annular groove is provided on the second seal portion 72, and the annular protrusion extends into the annular groove to improve the sealing performance of the second seal sleeve 7.

[0037] As Figure 3 shown, the water extraction pipe assembly specifically includes: a water extraction pipe 9, a water outlet pipe 8, a third seal sleeve 81, and a caliper 93. As Figure 5 shown, along the radial direction of the water extraction pipe 9, an outer wall of the water extraction pipe 9 bulges to form an annular stepped structure 91. The stepped structure 91 includes a first step 911 and a second step 912. An annular card slot 92 is provided in the radial direction of the water extraction pipe 9, and the caliper 93 is clamped and connected with the annular card slot 92, and the caliper 93 is detachably connected with the annular card slot 92. An installation portion 21 matching the water extraction pipe 9 is provided on the appliance input socket 2. The second step 912 and the caliper 93 are respectively in contact with both sides of the installation portion 21, so as to limit the movement of the water extraction pipe 9 relative to the appliance input socket 2 through the cooperation of the second step 912, the caliper 93 and the installation portion 21, thereby fixing the water extraction pipe 9 on the appliance input socket 2. Among them, a push rod 94 is provided at one end of the water extraction pipe 9 facing the inner tank 20. When the connector 1 is inserted into the appliance input socket 2, the water extraction pipe 9 is inserted into the first through hole 23 to communicate with the water inlet pipe 3, and the push rod 94 passes through the second through hole 61 to push up the sealing ball 53, so that a gap is generated between the sealing ball 53 and the sealing groove 611, so that the water in the inner tank 20 flows into the water extraction pipe 9 through the gap between the water inlet pipe 3, the sealing ball 53 and the sealing groove 611, thereby realizing the discharge of the water in the inner tank 20 to the outside.

[0038] As Figure 5 shown, the push rod 94 includes two connecting plates 941 spaced apart and connected to the water extraction pipe and a top plate 942 connecting the two connecting plates. The purpose of the two spaced-apart connecting plates 941 is to enable the water in the water inlet pipe 3 to flow into the water extraction pipe 9 through the gap between the two connecting plates 941.

[0039] Further, as Figure 3 and Figure 4As shown, at least two annular raised structures 612 protruding from the inner wall of the second through-hole 61 are provided along the radial direction of the water inlet pipe 3. The inner diameter of the raised structure 612 is smaller than the outer diameter of the water extraction pipe 9. When the water extraction pipe 9 is inserted into the second through-hole 61, since the inner diameter of the raised structure 612 is smaller than the outer diameter of the water extraction pipe 9, the raised structure 612 is squeezed, causing the raised structure 612 to deform and fit against the outer wall of the water extraction pipe 9. Therefore, a ring-shaped sealing area is formed between the raised structure 612 and the water extraction pipe 9, thereby improving the sealing performance between the water extraction pipe 9 and the water inlet pipe 3 and preventing liquid from leaking out through the connection gap between the water extraction pipe 9 and the water inlet pipe 3.

[0040] Further, as Figure 4 shown, the raised structure 612 and the inner wall of the second through-hole 61 have a smooth transition to reduce the resistance when the water extraction pipe 9 is inserted into the second through-hole 61.

[0041] Specifically, the number of raised structures 612 on the second through-hole 61 can be set to 2, 3, 4, etc. By providing multiple raised structures 612, multiple ring-shaped sealing areas are formed between the second sealing sleeve 7 and the water extraction pipe 9 to improve the sealing performance.

[0042] Further, as Figure 7 shown, the water sealing slider 5 includes a connecting portion 51 and a plurality of sliding portions 52 provided on the side of the connecting portion 51. The water sealing slider 5 is in sliding contact with the inner wall of the water inlet pipe 3 through the plurality of sliding portions 52. The purpose of providing the plurality of sliding portions 52 is to limit the position of the spring 4, so that the spring 4 is always located between the plurality of sliding portions 52 and abuts against the connecting portion 51 during the state conversion of stretching and contracting.

[0043] Among them, a water leakage gap is provided between any two adjacent sliding portions 52 to facilitate the water inside one end of the water inlet pipe 3 to flow to the other end of the water inlet pipe 3. Specifically, one side of the connecting portion 51 facing the inner tank 20 abuts against the spring 4, and the other side is fixedly connected to the sealing ball 53.

[0044] Further, as Figure 3 and Figure 5 shown, the water extraction pipe assembly further includes: a water outlet pipe 8, a third sealing sleeve 81, and a water extraction pump. One end of the water extraction pipe 9 away from the inner tank 20 extends into the water outlet pipe 8, and the water extraction pipe 9 is hermetically connected to the water outlet pipe 8 through the third sealing sleeve 81. The water extraction pump is provided on the water outlet pipe 8; among them, when the connector 1 is inserted into the appliance input socket 2, and the water extraction pump is in the on state, the water extraction pump pumps water, and the water in the water extraction pipe 9 flows in the direction of the water outlet pipe 8. Since the water extraction pipe 9 is communicated with the water inlet pipe 3, a negative pressure is generated in the water inlet pipe 3, thereby causing the liquid in the inner tank 20 to flow outwards.

[0045] As Figure 8As shown in the figure, the third sealing sleeve 81 includes a tubular sealing connection portion 811 and a water outlet portion 812 provided at the lower end of the sealing connection portion. The water outlet portion 812 includes two oppositely arranged water outlet wall surfaces 8121. Along the water outlet direction, the distance between the two water outlet wall surfaces 8121 gradually decreases, and a slit-shaped water outlet 8122 is formed at the end of the water outlet portion 812 to prevent the water in the water outlet pipe 8 from flowing back into the water extraction pipe 9.

[0046] The first sealing sleeve 6, the second sealing sleeve 7, and the third sealing sleeve 81 are made of rubber material. Since the rubber sealing sleeve is made of rubber material, it has the characteristics of sealing performance, anti-slip performance, and elasticity.

[0047] In a specific embodiment, a clamping groove is provided in the circular hole of the connector 1, and a convex clamping buckle is provided on the outer wall of the water inlet pipe 3 corresponding to the clamping groove in the circular hole of the connector 1. The clamping connection between the water inlet pipe 3 and the connector 1 is realized through the cooperation of the clamping buckle and the clamping groove.

[0048] And a clamping groove is provided in the circular hole of the appliance input socket 2, and a convex clamping buckle is provided on the outer wall of the water extraction pipe 9 corresponding to the clamping groove in the circular hole of the appliance input socket 2. The clamping connection between the appliance input socket 2 and the water extraction pipe 9 is realized through the cooperation of the clamping buckle and the clamping groove.

[0049] As Figure 1 and Figure 2 shown in the figure, the appliance coupler water pumping device further includes: a water leakage cap 201. The water leakage cap 201 is a tubular metal part with a water leakage hole 211 provided at one end. The water leakage cap 201 is sleeved outside the water inlet pipe 3, and the inner wall surface of the second sealing sleeve 7 is attached to the outer wall surface of the water leakage cap 201. By providing the water leakage cap 201, on the one hand, the bottom of the inner container 20 is made more beautiful. On the other hand, by providing a plurality of water leakage holes 211, it is possible to prevent larger scale or solid particles at the bottom of the inner container 20 from flowing into the inside of the water inlet pipe 3 or the water extraction pipe 9 along with the liquid, causing blockage.

[0050] Optionally, the multiple water leakage holes 211 on the water leakage cap 201 are densely arranged so that the water leakage cap 201 is in a grid shape.

[0051] The beneficial effects of the present invention are as follows: The appliance coupler water pumping device for a liquid heater with a separable inner container provided by the present invention includes a water inlet pipe and a water extraction pipe correspondingly arranged in the connector. During operation, the water inlet pipe is inserted into the inner container. After the heater finishes heating the water in the inner container, the user does not need to lift the kettle, and the water in the inner container of the kettle can flow out through the water inlet pipe assembly and the water extraction pipe assembly, reducing the occurrence of spilling, avoiding scalding children, the elderly, and users with physical disabilities, and having high safety. When the kettle is taken out, the appliance input socket is separated from the connector, and the water path is disconnected.

[0052] In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "plural" means two or more, unless otherwise clearly defined. Terms such as "installed", "connected", "joined", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "joined" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0054] In the description of this specification, the descriptions of terms such as "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0055] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An appliance coupler pumping device for an inner container separable liquid heater, wherein a first through hole is provided at the bottom of the inner container, characterized in that, include: A connector and an appliance input socket, wherein the connector is fixedly connected to the heating plate; A water inlet pipe assembly, wherein the water inlet pipe assembly is arranged at a central position of the connector; The water inlet pipe assembly is connected to the interior of the inner container through the first through hole; The water inlet pipe assembly comprises a water inlet pipe and a water sealing slider; One end of the water inlet pipe facing the inner container is connected to the interior of the inner container; The water sealing slider is slidably disposed in the water inlet pipe, and is used to seal the end of the water inlet pipe away from the inner tank; The water inlet pipe assembly further includes a first sealing sleeve, which is arranged at one end of the water inlet pipe away from the inner tank, and is embedded in the water inlet pipe; the first sealing sleeve is provided with a second through hole along the axial direction of the water inlet pipe, and the second through hole is formed toward one end of the water sealing slider to form a sealing groove matched with the water sealing slider; A sealing ball is fixedly provided on one end of the water sealing slider facing the first sealing sleeve; The sealing groove of the second through hole is a spherical surface groove matched with the spherical surface of the sealing ball; The inner wall and the outer wall of the water inlet pipe near one end of the inner tank extend along the radial direction of the water inlet pipe to form a first supporting part and a second supporting part respectively; A spring is provided between the first supporting part and the second supporting part, one end of the spring abuts against the first supporting part, and the other end of the spring abuts against the water sealing slider; A water extraction pipe assembly, the water extraction pipe assembly is used to match the water inlet pipe assembly, and extracts liquid in the inner tank when connected to the water inlet pipe assembly; The water suction pipe assembly includes a water suction pipe, and a push rod is provided at one end of the water suction pipe facing the inner tank. When the connector is plugged into the appliance input socket, the water suction pipe is inserted into the first through hole and connected with the water inlet pipe, and the push rod passes through the second through hole to lift the sealing ball, so that a gap is generated between the sealing ball and the sealing groove; the water in the inner tank flows into the water suction pipe through the water inlet pipe and the gap, so that the water in the inner tank is discharged outward.

2. The appliance coupler pumping device according to claim 1, characterized in that The sealing ball is a stainless steel ball.

3. The appliance coupler pumping device according to claim 1, wherein The water inlet pipe assembly also includes: a second sealing sleeve, wherein the second sealing sleeve is annular, an outer wall surface of the second sealing sleeve abuts against an inner wall surface of the first through hole, and an inner wall surface of the second sealing sleeve abuts against an outer wall surface of the water inlet pipe; Both ends of the second sealing sleeve protrude along the radial direction of the water inlet pipe to form an annular first sealing portion and a second sealing portion respectively; The inner container is clamped between the first sealing portion and the sealing portion, and along the axial direction of the water inlet pipe, two sides of the second sealing portion are respectively against the bottom of the inner container and the second supporting portion.

4. The appliance coupler pumping device according to claim 2, wherein The water suction pipe assembly also includes a caliper. Along the radial direction of the water suction pipe, the outer wall of the water suction pipe protrudes to form an annular step structure, and the outer wall of the water suction pipe is also provided with an annular groove; the caliper is detachably mounted in the annular groove to fix the water suction pipe on the appliance input socket.

5. The appliance coupler pumping device according to claim 2, characterized in that: The water-sealing slider includes a connecting portion and a plurality of sliding portions provided on the side surface of the connecting portion. The water-sealing slider is in sliding contact with the inner wall of the water inlet pipe through the plurality of sliding portions.

6. The appliance coupler pumping device according to claim 5, wherein a water leakage gap is provided between any two adjacent sliding portions. One side of the connecting portion facing the inner tank abuts against a spring, and the other side is fixedly connected to the sealing ball.

7. The appliance coupler pumping device according to claim 4, wherein along the radial direction of the water inlet pipe, the second through hole is provided with a ring-shaped convex structure protruding from the inner wall of the second through hole. The inner diameter of the convex structure is smaller than the outer diameter of the water extraction pipe, and is used to generate deformation and fit with the outer wall of the water extraction pipe when the water extraction pipe is inserted into the second through hole; The convex structure and the inner wall of the second through hole are in smooth transition.

8. The appliance coupler pumping device according to claim 7, wherein The convex structure is one or more.

9. The appliance coupler water pumping device according to claim 4, characterized in that, The water extraction pipe assembly further includes: a water outlet pipe; a third sealing sleeve, one end of the water extraction pipe away from the inner tank extends into the water outlet pipe, and the water extraction pipe is hermetically connected to the water outlet pipe through the third sealing sleeve; The third sealing sleeve includes a tubular sealing connection portion and a water outlet portion provided at the lower end of the sealing connection portion. The water outlet portion includes two oppositely arranged water outlet wall surfaces. Along the water outlet direction, the distance between the two water outlet wall surfaces gradually decreases, and a slit-shaped water outlet is formed at the end of the water outlet portion.

10. The appliance coupler pumping device according to claim 9, wherein The water extraction pipe assembly further includes a water extraction pump, which is provided on the water outlet pipe.

11. The appliance coupler pumping device according to claim 3, characterized in that, It further includes: a water leakage cap, which is a tubular metal part with a water leakage hole provided at one end; The water leakage cap is sleeved outside the water inlet pipe, and the inner wall surface of the second sealing sleeve fits with the outer wall surface of the water leakage cap.

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