WO2022032896A1

WO2022032896A1 - Appliance coupler water pumping device and appliance coupler

Info

Publication number: WO2022032896A1
Application number: PCT/CN2020/126586
Authority: WO
Inventors: 王浩
Original assignee: 北京左树科技有限公司
Priority date: 2020-09-01
Filing date: 2020-11-04
Publication date: 2022-02-17
Also published as: CN111904269A

Abstract

An appliance coupler water pumping device, which is used for a liquid heater having an inner container (20) and a base body that can be separated. The appliance coupler water pumping device comprises: a water intake pipe assembly, which is in communication with the interior of the inner container (20); and a water pumping pipe assembly mounted on the base body. When the inner container (20) is arranged in the base body, the water intake pipe assembly is in communication with the water pumping pipe assembly to form a liquid circulation path, whereby a fluid starts flowing from the inner container (20), through the water intake pipe assembly and to the water pumping pipe assembly. The inner container (20) can be separated from the base body, facilitating cleaning of the inner container (20) and receiving water by means of the inner container (20), and after the water in the inner container (20) is heated by the heater, a user can enable the water in the inner container (20) of a kettle to flow out by means of the water intake pipe assembly and the water pumping pipe assembly without lifting the kettle, such that the occurrence of sprinkling while pouring same is reduced, children, the aged, and physically challenged users are prevented from being scalded, and the safety is high.

Description

An appliance coupler pumping device and appliance coupler

technical field

The invention relates to an automatic water-pumping electric kettle, in particular to an appliance coupler pumping device and an appliance coupler.

Background technique

In daily life, electric kettles are essential household appliances in modern kitchens and living rooms due to their fast and convenient heating. They are suitable for brewing tea, boiling water, beverages, and milk for babies. The traditional kettle requires the user to lift the kettle and tilt it, and pour the water from the spout into the external water container. During this process, the user needs to be highly concentrated. A little carelessness will cause spillage, especially for children and the elderly. and users with physical inconvenience, it is easy to cause scald, and there is a potential safety hazard. The existing electric kettle with automatic water outlet function does not have the function of separating the inner pot, and the methods of filling water into the kettle and cleaning the inner pot are complicated, causing a lot of inconvenience to users.

SUMMARY OF THE INVENTION

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

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

Another object of the present invention is to provide an appliance coupler.

In order to achieve the above purpose, the technical solution of the present invention provides a water pumping device for an appliance coupler, comprising: a water inlet pipe assembly, which is communicated with the interior of the inner bladder; a water suction pipe assembly, which is installed on the base body; When the bladder is placed in the base, the water inlet pipe assembly is communicated with the water suction pipe assembly to form a liquid flow path that starts from the inner bladder and flows to the water suction pipe assembly through the water inlet pipe assembly.

Further, the bottom of the inner pot is recessed into the inner pot to form a water leakage cap, and the water leakage cap is provided with a number of first water leakage holes; the water inlet pipe assembly includes: a first sealing sleeve, one end of the first sealing sleeve extends into the water leakage cap and is connected to the water leakage cap. The leaking cap is sealed and connected, and corresponding to the first leaking hole is provided with a first through hole penetrating the first sealing sleeve; for the water inlet pipe, one end of the water inlet pipe is sealedly connected with the first sealing sleeve and communicated with the first through hole, and is in the water inlet pipe. The inner wall is provided with a first support part; the water sealing slider is slidably arranged in the water inlet pipe to seal the first through hole; the spring is arranged in the water inlet pipe, one end of the spring is in contact with the water sealing slider, and the other end Abut against the first support portion.

Further, the side of the water-sealing slider toward the first support portion is inwardly recessed to form a first limit portion; the first support portion includes a connecting portion extending along the radial direction of the water inlet pipe, and a convex portion toward the first sealing sleeve. The column-shaped second limiting portion is provided with a second water leakage hole on the connecting portion; one end of the spring extends into the first limiting portion and abuts against the water-sealing slider, and the other end is sleeved on the second limiting portion and is in contact with the second limiting portion. The connecting parts are in contact with each other; preferably, a plurality of cylindrical support columns are provided on the side of the water sealing slider, and the water sealing slider is in line contact with the inner wall of the water inlet pipe through the plurality of supporting columns; preferably, the second water leakage holes are a plurality of , and take the axis of the inlet pipe as the center, distributed in a circular array.

Further, the water suction pipe assembly includes a water suction pipe and a displacement limiting device; the water suction pipe is arranged on the base body, and the base body is provided with a mounting part for installing the water suction pipe, and the outer wall of the water suction pipe protrudes along the radial direction of the water suction pipe to form a step structure, and the displacement is The limiting device is detachably arranged on the outer wall of the water pumping pipe, along the axial direction of the water pumping pipe, the step structure and the displacement limiting device are respectively abutted on both sides of the installation part; when the inner bladder is placed in the base, the water pumping pipe is inserted into the water inlet pipe It is communicated with the water inlet pipe; preferably, the displacement limiting device comprises an annular clamping groove arranged on the radial direction of the water suction pipe, and a caliper connected with the annular clamping groove; the caliper is detachably connected with the annular clamping groove.

Further, it also includes: a second sealing sleeve embedded in the water inlet pipe, the second sealing sleeve is located at one end of the water inlet pipe close to the water suction pipe, and the second sealing sleeve is provided with a second through hole penetrating the second sealing sleeve; the step The structure includes a first step and a second step. The second step is in contact with the mounting part. When the inner tank is placed in the base, the first step is in contact with the second sealing sleeve, and the water pump is inserted into the second through hole, which is in contact with the second through hole. The gland seals the connection.

Further, the outer wall of the water inlet pipe close to the first sealing sleeve protrudes along the radial direction of the water inlet pipe to form an annular sealing portion, and along the axial direction of the water inlet pipe, the side of the sealing portion close to the first sealing sleeve is provided with an annular sealing portion. One side of the first sealing sleeve water inlet pipe is provided with an annular first depression and a second depression; wherein, the sealing part is abutted against the connector, the pipe wall of the water inlet pipe is inserted into the first depression, and the convex The portion extends into the second recess.

Further, one end of the first through hole facing the water-sealing slider is provided with a first chamfer; one end of the water-sealing slider facing the first sealing sleeve is provided with a first conical surface, and the first conical surface is used for connecting with the first Chamfered tapered faces fit.

Further, the water inlet pipe assembly also includes: a sealing gasket, which is arranged on the end of the water sealing slider facing the first sealing sleeve, the sealing gasket includes a gasket body and a connecting body, the connecting body is used for fixedly connecting with the water sealing slider, and the gasket body is used for fixing the connection with the water sealing slider. The first tapered surface is covered, and a tapered surface for fitting with the first chamfer is formed on the side facing the first through hole.

Further, along the radial direction of the water inlet pipe, the second through hole is provided with at least two annular raised structures protruding from the inner wall of the second through hole, and the inner diameter of the raised structures is smaller than the outer diameter of the suction pipe. When the second through hole is formed, the raised structure is deformed and fits with the outer wall of the water suction pipe; preferably, the raised structure and the inner wall of the second through hole smoothly transition.

An appliance coupler, comprising: an appliance coupler pumping device; a connector integrated at the bottom of an inner tank, a water inlet pipe assembly in the appliance coupler pumping device is arranged on the connector; an appliance input socket, arranged on the bottom of a base body and The connectors are inserted and matched, and the water pumping pipe assembly in the water pumping device of the appliance coupler is arranged on the input socket of the appliance; the water pump is arranged on the water outlet pipe in the water pumping device of the appliance coupler.

The beneficial effects brought about by the technical solutions provided by the embodiments of the present invention are as follows: the device coupler pumping device used by the liner separable liquid heater provided by the present invention includes a water inlet pipe and a water pumping pipe correspondingly arranged on the connector, When working, the water inlet pipe is inserted into the inner tank, and the socket is provided with an elastic white environmental protection first sealing sleeve. The quality plastic sealing water slider seals the backflow. The upper end of the first sealing sleeve is matched with the heating plate at the bottom of the inner tank, and is pressed by the cover to prevent water leakage at the heating plate. The other end is matched with the water inlet pipe to prevent water leakage around the water inlet pipe. The water inlet pipe is provided with a water sealing slider and a lower socket part that withstands the first sealing sleeve to achieve the water sealing effect. When the liquid fluid passes through the water inlet pipe and the water suction pipe, the water sealing slider opens the water inlet pipe under the action of water pressure, the water flows through the water inlet pipe and flows into the water inlet component, and the well suction pipe flows out of the kettle body. When the water volume in the kettle is lower than the minimum water volume, At this time, the sealing slider covers the sealing opening through the compression spring, so as to achieve a prominent sealing effect.

Description of drawings

FIG. 1 shows a schematic structural diagram of an appliance coupler water pumping device from a top view according to an embodiment of the present invention;

Fig. 2 shows the cross-sectional structure schematic diagram of part A-A in Fig. 1;

3 shows a schematic cross-sectional structure diagram of a first sealing sleeve according to an embodiment of the present invention;

FIG. 4 shows a schematic cross-sectional structure diagram of a second sealing sleeve according to an embodiment of the present invention;

FIG. 5 shows a schematic cross-sectional structure diagram of a water suction pipe according to an embodiment of the present invention;

6 shows a schematic cross-sectional structure diagram of a sealing gasket according to an embodiment of the present invention;

FIG. 7 shows a schematic cross-sectional structure diagram of a water inlet pipe according to an embodiment of the present invention;

8 shows a schematic structural diagram of a water inlet pipe from a top view according to an embodiment of the present invention;

FIG. 9 shows a schematic structural diagram of a water-sealing slider according to an embodiment of the present invention.

The symbols in the figure are explained as follows:

1 connector, 2 appliance input socket, 21 installation part, 20 inner tank, 201 water leakage cap, 211 first water leakage hole, 3 water inlet pipe, 31 sealing part, 311 raised part, 32 first support part, 320 connecting part, 322 The second water leakage hole, 321 The second limit part, 4 Spring, 5 The water sealing slider, 51 The first conical surface, 52 The first limit part, 53 The support column, 6 The first sealing sleeve, 611 The first recess , 621 second recess, 63 first through hole, 631 first chamfer, 7 gasket, 71 gasket body, 72 connecting body, 8 water outlet pipe, 81 third sealing sleeve, 9 water pumping pipe, 91 step structure, 911 first A step, 912 a second step, 92 an annular groove, 93 a caliper, 10 a second sealing sleeve, 101 a second through hole, and 1011 a raised structure.

detailed description

In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention and its beneficial effects will be described in further detail below with reference to the accompanying drawings.

The water pumping device of the automatic water pump is an important component of the conduit passing through the middle of the appliance coupler, and the liquid is directly guided from the bottom of the kettle to the spout. This device has an anti-backflow mechanism. The water pumping components are separated, and the liquid in the inner tank will not leak from the bottom, which is convenient for cleaning the kettle body or directly receiving water.

As shown in Fig. 1 and Fig. 2, an embodiment of the present invention provides an appliance coupler pumping device, which is used for a detachable liquid heater in the inner tank, so that the liquid can be directly guided from the bottom of the kettle to the spout and other important components component to direct the water from the kettle.

The appliance coupler pumping device specifically includes: a water inlet pipe assembly, a water suction pipe assembly, the water inlet pipe assembly and the interior of the inner tank 110, and the water suction pipe assembly is installed on the base; when the inner bladder 110 is placed in the base, the water inlet pipe assembly and the pump The water pipe assemblies are connected to form a liquid flow path that starts from the inner bladder 110 and flows to the water suction pipe assembly via the water inlet pipe assembly. Therefore, the liquid in the inner bladder 110 can flow out through the liquid circulation path.

As shown in FIG. 1 and FIG. 2 , another embodiment of the present invention provides an appliance coupler. The appliance coupler includes: an appliance coupler pumping device, a connector 1, an appliance input socket 2, and a water pump, specifically, The bottom of the inner pot 20 is recessed toward the inside of the inner pot 20 to form a water leakage cap 201 , and a plurality of first water leakage holes 211 are provided on the water leakage cap 201 . The connector 1 is fixedly connected to the heating plate at the bottom of the inner pot 20. Specifically, the connector 1 is fixed to the inner pot 20 through several bolts; a circular hole is provided in the central position of the connector 1, and the water inlet pipe assembly is arranged in the connector. 1, a water inlet channel is formed in the water inlet pipe assembly, and one end of the water inlet pipe assembly close to the inner bladder 20 extends into the depression of the water leakage cap 201 and communicates with the interior of the inner bladder 20, so that the water inlet channel and the inner bladder 20 are connected. Internal communication, so the liquid in the inner bladder 20 can flow into the water inlet channel of the water inlet pipe assembly, a circular hole through the appliance input socket 2 is provided at the central position of the appliance input socket 2, and the water pumping pipe assembly is provided in the appliance input socket 2. In and out of the round hole, the appliance input socket 2 is plugged and matched with the connector 1, that is, when the kettle in the separable liquid heater of the inner tank 20 is placed on the connector 1, the appliance input socket 2 is connected to the connector 1. The connector 1 is plugged in, and one end of the water pumping pipe assembly is inserted into the water inlet channel and is sealed and connected with the second end of the water inlet pipe assembly, so that the water circuit is connected. The components flow out; compared with the traditional kettle, the user needs to lift the kettle and tilt it, and pour the water from the spout into the external water container. In the technical solution of the present invention, after the heater completes heating the water in the inner tank, the user Without lifting the kettle, the water in the inner bladder 20 of the kettle can flow out through the water inlet pipe assembly and the water pumping pipe assembly, which reduces the situation of spilling and avoids scalding for children, the elderly and inconvenient users. The technical solution proposed by the invention has high safety. When the kettle is taken out, the appliance input socket 2 is separated from the connector 1, and the water circuit is disconnected.

Setting the leaking cap 201 and setting several first leaking holes 211 can prevent large scale or solid particles at the bottom of the inner tank 20 from flowing into the water inlet pipe 3 or the water suction pipe 9 with the liquid, causing blockage.

Optionally, the plurality of first 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.

Further, the water inlet pipe assembly specifically includes: a first sealing sleeve 6 , a water inlet pipe 3 , a second sealing sleeve 10 , a water sealing slider 5 , and a spring 4 .

As shown in FIG. 1 and FIG. 3 , the first sealing sleeve 6 is provided with a first through hole 63 penetrating the first sealing sleeve 6 . The inner pot 20 is sealed and connected, wherein the water leakage cap 201 isolates the first sealing sleeve 6 from the interior of the inner pot 20, and has the function of protecting the first sealing sleeve 6. Specifically, the first sealing sleeve 6 adopts elastic elasticity such as silicone or rubber. The sealing material, the leaking cap 201 covers the first sealing sleeve 6 inside the leaking cap 201, which can prevent the damage to the first sealing sleeve 6 by foreign objects, and fix the first sealing sleeve 6, which has the function of pressing, preventing the inner liner from being damaged. The gap between 20 and the first sealing sleeve 6 leaks water; the water inlet pipe 3 is arranged at the central position of the connector 1, one end of the water inlet pipe 3 is sealedly connected with the first sealing sleeve 6, and the other end is inserted and matched with the suction pipe assembly. When the water inlet pipe 3 is plugged with the water suction pipe assembly, the liquid in the inner bladder 20 can flow out through the water inlet pipe 3 and the water suction pipe assembly.

Further, as shown in FIG. 7 , the outer wall of the water inlet pipe 3 close to the first sealing sleeve 6 protrudes along the radial direction of the water inlet pipe 3 to form an annular sealing portion 31 , along the axial direction of the water inlet pipe 3 , the sealing portion 31 is close to One side of the first sealing sleeve 6 is provided with an annular convex portion 311; as shown in FIG. 3, the side of the first sealing sleeve 6 facing the water inlet pipe 3 is provided with a first recess 611 and a second recess 621; wherein 2, the two sides of the sealing portion 31 along the axial direction of the water inlet pipe 3 are in contact with the first sealing sleeve 6 and the connector 1 respectively, so that the sealing portion 31 is in contact with the first sealing sleeve 6, and the water inlet pipe 3 The pipe wall is inserted into the first recess 611, and the raised portion 311 extends into the second recess 621, so as to realize the sealing connection between the water inlet pipe 3 and the first sealing sleeve 6, and prevent the liquid from flowing between the first sealing sleeve 6 and the water inlet pipe 3. leakage.

Further, as shown in FIGS. 7 and 8 , the inner wall of the water inlet pipe 3 is provided with a first support portion 32 , and the first support portion 32 includes a connecting portion 320 extending along the radial direction of the water inlet pipe 3 and facing the first sealing sleeve 6 . A second water leakage hole 322 is provided on the connecting portion 320 of the protruding column-shaped second limiting portion 321 .

As shown in FIG. 2 , the water sealing slider 5 is slidably arranged in the water inlet pipe 3 ; the spring 4 is arranged between the water sealing slider 5 and the first support portion 32 , and the water sealing slider 5 faces the first support portion 32 One side of the spring 4 is recessed inward to form a first limiting portion 52 , the first supporting portion 32 is provided with a cylindrical second limiting portion 321 protruding toward the first sealing sleeve 6 , and one end of the spring 4 extends into the first limiting portion The other end is sleeved on the second limiting part 321 and abuts against the connecting part 320, so that when the spring 4 is in a compressed state, the water-sealing slider 5 is in contact with the first sealing sleeve. There is a gap between 6, and the liquid in the inner tank 20 can flow through the first water leakage hole 211, the second through hole 101, the gap between the water sealing slider 5 and the first sealing sleeve 6, and the second water leakage hole 322 in sequence. In the water pumping pipe 9; when the spring 4 is in an extended state, the spring 4 pushes one end of the water-sealing slider 5 into the second through hole 101 to close the second through hole 101, thereby preventing the liquid in the inner bladder 20 from passing through the water inlet pipe 3 outflow.

There are a plurality of second water leakage holes 322 , which are distributed in a circular array with the axis of the water inlet pipe 3 as the center.

Specifically, the spring 4 is a compression spring, and the compression spring is a helical spring that bears axial pressure. Because it can bear the pressure, the two ends can be open or closed, or flattened or ground, and the cross-section of the material used is mostly circular. , In this technical scheme, a cylindrical compression spring is used, and there is a certain gap between the rings of the compression spring. When subjected to an external load, the spring shrinks and deforms to store deformation energy.

Further, as shown in FIG. 9 , a plurality of cylindrical support columns 53 are provided on the side of the water-sealing slider 5, and the water-sealing slider 5 is in line contact with the inner wall of the water inlet pipe 3 through the plurality of support columns 53, so as to reduce The resistance of the water-sealing slider 5 when sliding in the water inlet pipe 3 can also play a supporting role, so that the water-sealing slider 5 is less likely to be skewed and stuck as a whole.

Further, as shown in FIG. 2, the water pumping pipe assembly specifically includes: a water pumping pipe 9, a displacement limiting device, a water outlet pipe 8, a third sealing sleeve 81, the second sealing sleeve 10 is embedded in the water inlet pipe 3, and the second sealing The sleeve 10 is located at one end of the water inlet pipe 3 away from the inner container 20 , and the second sealing sleeve 10 is provided with a second through hole 101 penetrating the second sealing sleeve 10 . As shown in FIG. 5 , the suction pipe 9 is along the radial direction of the suction pipe 9, and the outer wall of the suction pipe 9 protrudes to form an annular stepped structure 91. The stepped structure 91 includes a first step 911 and a second step 912, and the displacement limiting device includes The annular clamping groove 92 provided on the radial direction of the water suction pipe 9 and the caliper 93 connected with the annular clamping groove 92 by clamping, and the caliper 93 is detachably connected with the annular clamping groove 92 . The appliance input socket 2 is provided with a mounting portion 21 that cooperates with the water pumping pipe 9 , and the second step 912 and the caliper 93 are respectively abutted against both sides of the mounting portion 21 , so as to be restricted by the cooperation of the second step 912 , the caliper 93 and the mounting portion 21 The movement of the water extraction pipe 9 relative to the appliance input socket 2, thereby fixing the water extraction pipe 9 on the appliance input socket 2, wherein, when the connector 1 is inserted into the appliance input socket 2, the water extraction pipe 9 is inserted into the first through hole 63, It is communicated with the water inlet pipe 3 , so that the water in the inner bladder 20 flows into the water suction pipe 9 through the water inlet pipe 3 .

Further, as shown in FIGS. 1 and 4 , the second through hole 101 along the radial direction of the water inlet pipe 3 is provided with at least two annular raised structures 1011 protruding from the inner wall of the second through hole 101 . The raised structures 1011 The inner diameter is smaller than the outer diameter of the suction pipe 9. When the suction pipe 9 is inserted into the second through hole 101, since the inner diameter of the raised structure 1011 is smaller than the outer diameter of the suction pipe 9, the raised structure 1011 is squeezed, causing the raised structure 1011 It is deformed and fits with the outer wall of the suction pipe 9, so that an annular sealing area is formed between the raised structure 1011 and the suction pipe 9, thereby improving the sealing between the suction pipe 9 and the water inlet pipe 3 and avoiding liquid It leaks from the connection gap between the suction pipe 9 and the water inlet pipe 3 .

Further, the protruding structure 1011 smoothly transitions with the inner wall of the second through hole 101 to reduce the resistance when the water suction pipe 9 is inserted into the second through hole 101 .

Specifically, the number of protruding structures 1011 on the second through hole 101 can be set to 2, 3, or 4, etc. By arranging a plurality of protruding structures 1011, the second sealing sleeve 10 and the suction pipe 9 are formed between Multiple annular sealing areas improve sealing.

Further, as shown in FIG. 3 , one end of the first through hole 63 close to the water sealing slider 5 is provided with a first chamfer 631 ; the end of the water sealing slider 5 facing the first sealing sleeve 6 is provided with a first tapered surface 51. The first tapered surface 51 is in sealing fit with the tapered surface of the first chamfer 631. Through the sealing fit between the first tapered surface 51 and the surface of the first chamfer 631, on the one hand, the contact area of the sealing surface is improved, and on the other hand, On the one hand, since the water-sealing slider 5 and the first through hole 63 are switched between two states of contact and separation, through the cooperation of the first tapered surface 51 and the first chamfered surface 631, the water-sealing slider 5 is relatively opposite to the second The through hole 101 has a guiding function when moving, so that the water sealing slider 5 and the second through hole 101 can be better aligned, so as to improve the accuracy of the sealing connection, thereby improving the sealing performance.

Further, as shown in FIG. 1 and FIG. 6 , the water inlet pipe assembly further includes: a sealing gasket 7 , the sealing gasket 7 is arranged on the end of the water sealing slider 5 facing the first sealing sleeve 6 , and the sealing gasket 7 includes a gasket body 71 and a connection The body 72, the connecting body 72 is used for fixed connection with the water sealing slider 5, the cushion body 71 is in the shape of an umbrella, the cushion body 71 wraps the first tapered surface 51, and is formed on the side facing the first through hole 63 with the The tapered surface of the first chamfer 631 is matched, and the gasket 7 is made of silicone material, so that when the water sealing slider 5 is in contact with the first chamfer 631 of the first through hole 63, since the gasket 7 is made of silicone material, the spring 4 Under the thrust provided, the gasket 7 is deformed, and the two sides of the gasket 7 are in close contact with the first chamfer 631 and the first conical surface 51 of the water-sealing slider 5, thereby improving the relationship between the water-sealing slider 5 and the first conical surface 51 of the water-sealing slider 5. The tightness between the first through holes 63 .

Further, one end of the water suction pipe 9 away from the inner bladder 20 extends into the water outlet pipe 8 , and the water suction pipe 9 is sealedly connected to the water outlet pipe 8 through the third sealing sleeve 81 . The suction pump is arranged on the water outlet pipe 8; wherein, when the connector 1 is plugged into the appliance input socket 2, when the suction pump is turned on, the suction pump pumps water, and the water in the suction pipe 9 flows in the direction of the water outlet pipe 8. The water pipe 9 is communicated with the water inlet pipe 3, so that a negative pressure is generated in the water inlet pipe 3, so that the spring 4 is compressed, the water sealing slider 5 is separated from the first sealing sleeve 6, and the water sealing slider 5 and the first sealing sleeve 6 are separated. There is a gap between the two, so that the liquid in the inner bladder 20 can pass through the gap between the water sealing slider 5 and the first sealing sleeve 6 and then flow out through the water suction pipe 9 . In the closed state of the water pump, when the water is not pumped, the pressure of the spring 4 is greater than the water pressure applied by the liquid in the inner tank 20 to the water-sealing slider 5, so the spring 4 pushes the water-sealing slider 5 against the first sealing sleeve 6 to achieve sealing. condition.

The first sealing sleeve 6 , the second sealing sleeve 10 , and the third sealing sleeve 81 are made of rubber material, and the rubber sealing sleeve is made of rubber material, so it has the characteristics of sealing, slip resistance and elasticity.

In a specific embodiment, a slot is provided in the circular hole of the connector 1 , and a convex buckle is provided on the outer wall of the water inlet pipe 3 corresponding to the slot in the circular hole of the connector 1 . The cooperation of the buckle and the slot realizes the snap connection between the water inlet pipe 3 and the connector 1 .

And a card slot is provided in the circular hole of the appliance input socket 2, on the outer wall of the water pumping pipe 9 corresponding to the card slot in the round hole of the appliance input socket 2 is provided with a convex buckle, through the buckle and the card slot. The cooperation realizes the snap connection between the appliance input socket 2 and the water suction pipe 9 .

The beneficial effects of the present invention are as follows: the appliance coupler pumping device used by the liner separable liquid heater provided by the present invention includes a water inlet pipe and a water pumping pipe that are correspondingly arranged on the connector. During operation, the water inlet pipe is inserted into the inner bladder. 20, and the socket is provided with an elastic white environmental protection first sealing sleeve, the outer wall of the first sealing sleeve is closely matched with the casing, and at the same time the outer wall of the first sealing sleeve is closely matched with the inner wall of the connector water inlet pipe, and is sealed with a hard plastic sealing water slider. backflow. The upper end of the first sealing sleeve is matched with the inner tank 20 and is pressed by the cover to prevent water leakage at the inner tank 20 . The other end is matched with the water inlet pipe to prevent water leakage around the water inlet pipe. The water inlet pipe is provided with a water sealing slider and a lower socket part that withstands the first sealing sleeve to achieve the water sealing effect. When the liquid fluid passes through the water inlet pipe and the water suction pipe, the water sealing slider opens the water inlet pipe under the action of water pressure, the water flows through the water inlet pipe and flows into the water inlet component, and the well suction pipe flows out of the kettle body. When the water volume in the kettle is lower than the minimum water volume, At this time, the sealing slider covers the sealing opening through the compression spring, so as to achieve a prominent sealing effect.

In the present invention, the terms "first", "second" and "third" are only used for the purpose of description, and cannot be construed as indicating or implying relative importance; the term "multiple" refers to two or two above, unless otherwise expressly defined. The terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be It is directly connected or indirectly connected through an intermediary. 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 situations.

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

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiment", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may 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

An appliance coupler pumping device for a liquid heater with a separable inner bladder and a base, characterized in that it comprises: a water inlet pipe assembly and a water suction pipe assembly; the water inlet pipe assembly is communicated with the interior of the inner bladder; The water suction pipe assembly is installed on the base body; when the inner bladder is placed in the base body, the water inlet pipe assembly is communicated with the water suction pipe assembly to form a formation that starts from the inner bladder, and passes through the intake pipe assembly. A water pipe assembly, flowing to the liquid flow path of the water extraction pipe assembly.
The appliance coupler water pumping device according to claim 1, wherein the bottom of the inner pot is recessed into the inner pot to form a water leakage cap, and the water leakage cap is provided with a plurality of first water leakage holes.
The appliance coupler pumping device according to claim 2, wherein: the water inlet pipe assembly comprises a first sealing sleeve, a water inlet pipe, a water sealing slider and a spring; one end of the first sealing sleeve extends into the The inside of the water leakage cap is sealedly connected with the water leakage cap, and corresponding to the first water leakage hole is provided with a first through hole penetrating the first sealing sleeve; one end of the water inlet pipe is sealed and connected to the first sealing sleeve and communicated with the first through hole, and a first support part is provided on the inner wall of the water inlet pipe; the water sealing slider is slidably arranged in the water inlet pipe to seal the first through hole; The spring is arranged in the water inlet pipe, one end of the spring is abutted against the water sealing slider, and the other end is abutted against the first support portion.
The water pumping device for an appliance coupler according to claim 3, wherein a side of the water-sealing slider facing the first support portion is recessed inward to form a first limiting portion; the first support portion includes a connecting portion extending in the radial direction of the water inlet pipe, a columnar second limiting portion protruding toward the first sealing sleeve, and a second leakage hole is provided on the connecting portion; one end of the spring It extends into the first limiting portion and abuts against the water-sealing slider, and the other end is sleeved on the second limiting portion and abuts against the connecting portion.
The water pumping device for an appliance coupler according to claim 4, wherein a plurality of cylindrical support columns are arranged on the side of the water-sealing slider, and the water-sealing slider is connected to all the support columns through the plurality of support columns. Line contact with the inner wall of the water inlet pipe.
The water pumping device for an appliance coupler according to claim 4, wherein there are a plurality of the second water leakage holes, which are distributed in a circular array with the axis of the water inlet pipe as the center.
The appliance coupler pumping device according to claim 3, characterized in that: the suction pipe assembly comprises a suction pipe and a displacement limiting device; the suction pipe is provided on the base body, and the base body is provided with a device for installing the The installation part of the suction pipe, the outer wall of the suction pipe protrudes along the radial direction of the suction pipe to form a stepped structure, and the displacement limiting device is detachably arranged on the outer wall of the suction pipe, along the radial direction of the suction pipe. In the axial direction, the stepped structure and the displacement limiting device are respectively abutted against both sides of the mounting portion; when the inner bladder is placed in the base, the water suction pipe is inserted into the water inlet pipe and is connected to the mounting portion. The water inlet pipe is connected.
The water pumping device for an appliance coupler according to claim 7, wherein the displacement limiting device comprises an annular clamping groove arranged on the radial direction of the water suction pipe, and a caliper connected to the annular clamping groove in a clamping manner; the The caliper is detachably connected with the annular clamping groove.
The appliance coupler pumping device according to claim 7, further comprising: a second sealing sleeve embedded in the water inlet pipe, the second sealing sleeve is located on the water inlet pipe and close to the water suction pipe and the second sealing sleeve is provided with a second through hole passing through the second sealing sleeve; the step structure includes a first step and a second step, and the second step is in contact with the mounting portion; When the inner bladder is placed in the base, the first step is abutted against the second sealing sleeve, and the water suction pipe is inserted into the second through hole and is in sealing connection with the second sealing sleeve .
The appliance coupler water pumping device according to claim 3, wherein the outer wall of the water inlet pipe close to the first sealing sleeve protrudes along the radial direction of the water inlet pipe to form an annular sealing portion, and along the In the axial direction of the water inlet pipe, the side of the sealing part close to the first sealing sleeve is provided with an annular convex part; A first recess and a second recess; the sealing part is in contact with the connector, the pipe wall of the water inlet pipe is inserted into the first recess, and the protruding part extends into the second recess.
The appliance coupler water pumping device according to claim 3, wherein: one end of the first through hole facing the water sealing slider is provided with a first chamfer; the water sealing slider is facing the first One end of the sealing sleeve is provided with a first tapered surface, and the first tapered surface is used to fit with the tapered surface of the first chamfer.
The water pumping device of an appliance coupler according to claim 11, wherein the water inlet pipe assembly further comprises a sealing gasket, and the sealing gasket is arranged on the end of the water sealing slider facing the first sealing sleeve, so that the The gasket includes a cushion body and a connecting body, the connecting body is used for fixedly connecting with the water-sealing slider, the cushion body covers the first conical surface, and is located on a side facing the first through hole. The side forms a tapered surface for fitting with the first chamfer.
The water pumping device for an appliance coupler according to claim 9, characterized in that: along the radial direction of the water inlet pipe, the second through hole is provided with at least two ring-shaped protrusions protruding from the inner wall of the second through hole. A raised structure, the inner diameter of the raised structure is smaller than the outer diameter of the water suction pipe, the raised structure is deformed when the water suction pipe is inserted into the second through hole, and adheres to the outer wall of the water suction pipe combine.
The appliance coupler pumping device according to claim 13, wherein the protruding structure smoothly transitions with the inner wall of the second through hole.
An appliance coupler, characterized in that it comprises: the appliance coupler pumping device according to any one of claims 1 to 14; The water inlet pipe assembly is arranged on the connector; the appliance input socket is arranged at the bottom of the base body to be plugged and matched with the connector, and the water suction pipe assembly in the appliance coupler pumping device is arranged on the appliance input socket upper; a water pump, which is arranged on the water outlet pipe in the water pumping device of the appliance coupler.