CN214072935U

CN214072935U - Water supply mechanism and electric teapot

Info

Publication number: CN214072935U
Application number: CN202022987270.XU
Authority: CN
Inventors: 郭建刚; 戈长发; 曾令锋
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-31
Anticipated expiration: 2030-12-11

Abstract

The embodiment of the utility model provides a water supply mechanism and an electric teapot, wherein the water supply mechanism comprises a water pump and a first coupler; the water supply mechanism further includes: the water stop valve comprises a valve body and a valve core arranged in a valve cavity of the valve body; the first end of the first conduit is connected with the water outlet of the water pump, and the second end of the first conduit is connected with the valve body; the first end of the water inlet pipe is connected with the valve body, and the second end of the water inlet pipe is connected with the water way of the first coupler, so that water sent into the valve cavity by the water pump enters the water way of the first coupler through the water inlet pipe; the valve core can move or elastically deform in the valve cavity under the action of water fed by the water pump, so that the first guide pipe is communicated with the water inlet pipe, and when the water pump stops supplying water, the valve core resets and cuts off the communication between the first guide pipe and the valve cavity. The utility model discloses water supply mechanism when the water pump stops supplying water, stagnant water valve self-closing prevents that the phenomenon of overflow from taking place in the water route of first coupler, has guaranteed the security of using.

Description

Water supply mechanism and electric teapot

Technical Field

The utility model belongs to the technical field of little household electrical appliances, especially, relate to a water supply mechanism and electric teapot.

Background

The current electric kettle water that adds water under on the market adds the water mode and is being drawn water by the water pump, is equipped with the water route in the lower coupler, and the bottom of kettle is equipped with the coupler, goes up the coupler and can with coupler coupling down, goes up the coupler and is equipped with into water shower nozzle to the water that makes in the water route of coupler down and draw via the water pump gets into in the kettle by into water shower nozzle. When the lower coupler is taken off after water is added into the kettle, if the water level of the water inlet end (namely a water storage tank or a purified water bucket for providing drinking water) is higher than the water inlet pipe connected with the lower coupler, the lower coupler overflows, and the overflowing water can splash onto a circuit in the upper coupler, so that the danger of short circuit of the circuit is caused. Therefore, the electric teapot with water added at the lower part has the problem of electrical safety risk and has serious potential safety hazard.

In order to solve the electrical safety problem of the electric teapot with water added from the bottom, a water stopping structure for the electric teapot is provided in the prior art. For example, chinese utility model patent No. CN 211820750U discloses a water inlet valve structure, which is applied to an electric teapot. The water inlet valve structure comprises a valve body, a valve core, a valve cover and an elastic piece, wherein the valve cover is provided with an accommodating cavity and is connected with the valve body, and a central hole is formed in the valve body; a channel is formed in the valve core, a first opening communicated with the channel is formed at the first end of the valve core, the second end of the valve core is closed, and a second opening communicated with the channel is formed on the peripheral surface of the valve core; the valve core is arranged in the central hole and can move between a first position and a second position along the central hole relative to the valve body, the second opening is not communicated with the containing cavity in the first position, and the second opening is communicated with the containing cavity in the second position. The elastic element is used for providing the valve core with an elastic force for moving the valve core from the second position to the first position. When the valve core is pressed down, water of the valve cover can enter the valve core, and when the valve core is jacked up by the spring, the water of the valve cover is sealed, and the water cannot flow out of the central pipe; prevent water from overflowing and solve the potential safety hazard. However, the water inlet valve has a complex structure and is difficult to process and manufacture.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the present invention is to provide a water supply mechanism with simple structure and water stop function to prevent water from overflowing, and an electric teapot with the same.

The embodiment of the utility model adopts the technical proposal that the water supply mechanism comprises a water pump and a first coupler; the water supply mechanism further includes:

the water stop valve comprises a valve body and a valve core arranged in a valve cavity of the valve body;

the first end of the first conduit is connected with the water outlet of the water pump, and the second end of the first conduit is connected with the valve body;

the first end of the water inlet pipe is connected with the valve body, and the second end of the water inlet pipe is connected with the water way of the first coupler, so that water sent into the valve cavity by the water pump enters the water way of the first coupler through the water inlet pipe;

the valve core can move or elastically deform in the valve cavity under the action of water fed by the water pump, so that the first guide pipe is communicated with the water inlet pipe, and when the water pump stops supplying water, the valve core resets and cuts off the communication between the first guide pipe and the valve cavity.

The utility model discloses water supply mechanism when the water pump stops supplying water, stagnant water valve self-closing prevents that the phenomenon of overflow from taking place in the water route of first coupler, has guaranteed the security of using.

In some embodiments, the valve body comprises an upper valve body and a lower valve body which are connected in a buckling manner to enclose the valve cavity, the upper end of the upper valve body is inwardly contracted to form a water outlet end which is inserted into the first end of the water inlet pipe, and the lower end of the lower valve body is inwardly contracted to form a water inlet end which is inserted into the second end of the first conduit. The valve body has simple structure and is convenient to be connected with the water inlet pipe and the first guide pipe.

In some embodiments, the valve core comprises a head part and a neck part connected with the head part, an elastic part acting on the head part is arranged in the valve cavity, and the head part can block the water inlet end under the action of the elastic force of the elastic part. The valve core has simple and reasonable structure and good one-way water stopping effect.

In some embodiments, an annular boss is arranged between the head part and the neck part, and the head part is sleeved with a sealing ring abutting against the annular boss; the elastic piece is a spring, the spring is sleeved on the neck, one end of the spring abuts against the annular boss, and the other end of the spring abuts against the cavity wall of the valve cavity. Above-mentioned structure makes the stagnant water valve can automatic start and stop, convenient to use, and stagnant water effect is good when the water pump stops to supply water, can not have the phenomenon of leaking that sealed untight leads to.

In some embodiments, the valve core includes a fixed portion and a movable portion connected to the fixed portion, the fixed portion is fixed in the valve cavity, and the movable portion is provided with a slit configured to open under the action of water flow delivered by the water pump and close after the action of the water flow disappears, so that the first conduit is communicated with or closed off from the water inlet pipe. The valve core has the advantages of simple structure, convenient manufacture and low design cost.

In some embodiments, the cross section of the fixing portion is annular, the periphery of the movable portion is connected with the circumferential direction of the inner wall of the fixing portion, the movable portion extends from the first end of the fixing portion in the axial direction to form a protruding portion, and the slit is arranged on the protruding portion. The movable part and the fixed part have compact structures and high stability, and the movable part is convenient to deform under the action of water flow so as to open the cutting seam.

In some embodiments, the shape of the projection is a convex arc; the cutting seam is a cross cutting seam and is arranged in the center of the protruding part. The cross joint seam is convenient to open and close, the goodness of fit is high after the joint seam is closed, and the water leakage phenomenon is prevented.

In some embodiments, the upper valve body has an upper valve cavity with a downward opening, the lower valve body has a lower valve cavity with an upward opening, the cavity diameters of the lower valve cavity are different to form an upward annular step surface, the upper valve body is embedded into the lower valve cavity, and one downward end of the upper valve body abuts against the annular step surface; the fixing part is fixed in the upper valve cavity, the upper end face of the fixing part is in sealing fit with the cavity wall of the upper valve cavity, and the lower end face of the fixing part is in sealing fit with the annular step face. The valve body is small in size, the weight of the whole water supply mechanism can be reduced, and the valve body is convenient for a user to use.

In some embodiments, the first end of the water inlet pipe is connected with a second conduit, and the water outlet end of the upper valve body is inserted into the first end of the second conduit. By providing a second conduit, the connection is facilitated.

The embodiment of the utility model provides an electric teapot is provided simultaneously, this electric teapot includes the kettle body, the bottom of the kettle body is equipped with the second coupler, still includes the water supply mechanism in any above-mentioned embodiment, the second coupler can with first coupler coupling, so that water via in the inlet pipe the water route in the first coupler gets into water route in the second coupler and supply in the kettle is internal. When the water pump is closed and water supply is stopped, the water stop valve is automatically closed, so that water is prevented from overflowing from the water path of the first coupler and being sprayed onto a circuit in the second coupler, and the electrical safety problem is avoided.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a front view of a water supply mechanism according to a first embodiment of the present invention.

Fig. 2 is a longitudinal sectional view of fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view of fig. 1.

Fig. 5 is a front view of a water supply mechanism according to a second embodiment of the present invention.

Fig. 6 is a longitudinal sectional view of fig. 5.

Fig. 7 is an enlarged view of a portion B in fig. 6.

Fig. 8 is an exploded view of fig. 5.

Fig. 9 is a schematic structural diagram of a second valve core of a water supply mechanism according to a second embodiment of the present invention, wherein the cutting seam is in a closed state.

Fig. 10 is a schematic structural diagram of a second valve element of a water supply mechanism according to a second embodiment of the present invention, wherein the cutting seam is in an open state.

Fig. 11 is a schematic structural view of an electric teapot according to a first embodiment of the present invention, wherein the water stop valve is in an open state.

Fig. 12 is a schematic structural view of an electric teapot according to a first embodiment of the present invention, wherein the water stop valve is in a closed state.

Fig. 13 is a schematic structural view of an electric teapot according to the second embodiment of the present invention, wherein the water stop valve is in an open state.

Fig. 14 is a schematic structural view of an electric teapot according to the second embodiment of the present invention, wherein the water stop valve is in a closed state.

Reference numerals:

1-a water pump; 11-water inlet; 12-a water outlet; 2-a first coupler; 3-a first conduit; 4-water inlet pipe; 5-a second conduit; 6-a first valve body; 61-a first upper valve body; 62-an abutment; 63-a first lower valve body; 7-a first valve spool; 71-a head; 72-neck portion; 73-an annular boss; 74-a resilient member; 75-sealing ring; 8-a second valve body; 81-a second upper valve body; 82-a second lower valve body; 83-annular step surface; 9-a second valve core; 91-a fixing part; 92-a movable part; 93-a projection; 94-cutting and cutting; 95-water outlet end; 96-water inlet end;

101-a host; 102-pot body; 103-second coupler.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

The embodiment of the utility model provides a water supply mechanism, this water supply mechanism can be applied to on the electric teapot for supply water to the electric teapot in at the bottom of the kettle of electric teapot. Specifically, as shown in fig. 1 to 8, the water supply mechanism includes a water pump 1 and a first coupler 2, and the water supply mechanism further includes a water stop valve, a first conduit 3 and a water inlet pipe 4, and the water stop valve is disposed between the water inlet pipe 4 and the first conduit 3, that is, the water inlet pipe 4 and the first conduit 3 are connected through the water stop valve, and the water stop valve is used for realizing communication or cutoff of the water inlet pipe 4 and the first conduit 3. Specifically, the water stop valve comprises a valve body and a valve core arranged in a valve cavity of the valve body. The first end of the first conduit 3 is connected with the water outlet 12 of the water pump 1, and the second end of the first conduit 3 is connected with the valve body, so that water from the water outlet 12 of the water pump 1 can enter the first conduit 3. The first end of inlet tube 4 is connected with the valve body, and the second end of inlet tube 4 and the water route of first coupler 2 are connected to make the water that is sent into first pipe 3 and valve chamber by water pump 1 enter the water route of first coupler 2 via inlet tube 4. Wherein, under the effect of the water that water pump 1 sent into, can push the case and move or take place elastic deformation in the valve pocket to make the check valve open, inlet tube 4 and first pipe 3 intercommunication, the hydroenergy in the first pipe 3 can get into inlet tube 4. When the water pump 1 stops supplying water, when the thrust of water borne by the valve core of the water stop valve disappears, the valve core resets, the water stop valve is closed, the communication between the water inlet pipe 4 and the first conduit 3 is cut off, and the water in the first conduit 3 can not enter the water inlet pipe 4.

The utility model discloses water supply mechanism can be when water pump 1 stops supplying water, and stagnant water valve self-closing prevents that the phenomenon of overflow from taking place in the water route of first coupler 2, has guaranteed the security of using.

In some embodiments, as shown in fig. 1 to 7, the valve body comprises an upper valve body and a lower valve body which are snap-fit connected to enclose the valve chamber, the upper end of the upper valve body is inwardly contracted to form a water outlet end 95 for being inserted into the first end of the water inlet pipe 4, and the lower end of the lower valve body is inwardly contracted to form a water inlet end 96 for being inserted into the second end of the first conduit 3. The valve body is simple in structure and convenient to assemble and disassemble, and is convenient to connect with the water inlet pipe 4 and the first guide pipe 3 by forming the water outlet end 95 and the water inlet end 96, and the connection tightness is improved.

In some embodiments, to facilitate the connection of the inlet conduit 4 to the valve body, a second conduit 5 is connected to a first end of the inlet conduit 4. In this embodiment, the first end of the water inlet pipe 4 is inserted into the second end of the second conduit 5. The water outlet end 95 of the upper valve body is inserted into the first end of the second conduit 5. That is, the inlet tube 4 is connected to the outlet end 95 of the upper valve body through the second conduit 5.

The following describes the water supply mechanism according to the present invention with different embodiments.

Example one

As shown in fig. 2 to 4, the water stop valve according to the first embodiment includes a first valve body 6 and a first valve element 7 provided in a valve chamber of the first valve body 6. The first valve core 7 comprises a head part 71 and a neck part 72 connected with the head part 71, and an elastic part 74 acting on the head part 71 is arranged in the valve cavity, and the elastic part 74 is used for applying downward acting force to the head part 71 so that the head part 71 can block the water inlet end 96.

With continued reference to fig. 2 and 3, the first valve body 6 includes a first upper valve body 61 and a first lower valve body 63, and an abutting portion 62 is disposed on an inner wall of the water outlet end 95 of the first upper valve body 61. The junction of the water inlet end 96 and the first lower valve body 63 forms a water inlet communicating with the valve cavity. An annular boss 73 is arranged between the head part 71 and the neck part 72, and a sealing ring 75 abutting against the annular boss 73 is sleeved on the head part 71. The elastic element 74 is a spring, which is sleeved on the neck 72, and one end of the spring abuts against the annular boss 73 and the other end of the spring abuts against the abutting portion 62. The water flow sent into the first conduit 3 and the water inlet end 96 by the water pump 1 overcomes the downward elastic force of the spring by the upward acting force applied to the first valve core 7, pushes the first valve core 7 to move upwards, so that the head 71 of the first valve core is separated from the water inlet, the water stop valve is opened, the water flow enters the valve cavity through the water inlet, and then enters the water way of the first coupler 2 through the water inlet pipe 4, and the water supply is realized. When the water pump 1 stops supplying water, the upward acting force acting on the first valve core 7 disappears, the first valve core 7 moves downwards under the action of the spring, the head 71 extends into the water inlet, the sealing ring 75 seals the space between the water inlet and the head 71, the water stop valve is closed, and water in the first conduit 3 cannot enter the valve cavity and the water inlet pipe 4. The states shown in fig. 2 and 3 are the states in which the check valve is closed.

The water stop valve of the first embodiment has the advantages of reasonable structural design, automatic opening and closing, convenient use, excellent water stop effect when the water pump 1 stops supplying water, and no water leakage phenomenon caused by untight sealing.

With continuing reference to fig. 2 and 3, the first upper valve body 61 is cylindrical with two open ends, the water outlet end 95 is tubular with an outer diameter smaller than that of the first upper valve body 61, and the water outlet end 95 is connected with the upper end of the first upper valve body 61 and is in smooth transition connection with the upper end of the first upper valve body 61. In order to facilitate the insertion of the water outlet end 95 into the water inlet tube 4, the end of the water outlet end 95 is formed in a frustum shape. The upper end of the first lower valve body 63 is open, the lower end is provided with a water inlet, and the water inlet is connected with a water inlet end 96. The lower end of the first upper valve body 61 is embedded into the first lower valve body 63, and the outer wall of the first upper valve body 61 is tightly attached to the inner wall of the first lower valve body 63 to jointly enclose a valve chamber. The end of the water inlet end 96 is formed in a frustum shape so as to be inserted into the first guide pipe 3. The first valve body 6 has a simple and reasonable structure.

Example two

As shown in fig. 5 to 8, the water stop valve of the second embodiment includes a second valve body 8 and a second valve spool 9 provided in a valve chamber of the second valve body 8. The second valve spool 9 includes a fixed portion 91 and a movable portion 92 connected to the fixed portion 91, the fixed portion 91 is fixed in the valve chamber, the movable portion 92 is provided with a slit 94, and the slit 94 is configured to open under the action of the water flow sent by the water pump 1 and close after the action of the water flow disappears, so that the first conduit 3 is communicated with or closed off from the water inlet pipe 4. The second valve spool 9 has a simple structure, is convenient to manufacture and has low design cost.

In order to open the slits 94 under the action of the water flow and close the slits 94 after the water flow stops, the movable portion 92 may be made of a rubber material, such as silicon rubber, to have good elastic deformation performance. The fixing portion 91 may be made of a rubber material. The movable portion 92 and the fixed portion 91 may be integrally formed to simplify the structure and improve the stability of the product.

As shown in fig. 6 and 7, and in conjunction with fig. 9 and 10, the cross section of the fixing portion 91 is annular, and the outer wall of the fixing portion 91 is in sealing fit with the inner wall of the valve cavity; the periphery of the movable portion 92 is connected to the circumferential direction of the inner wall of the fixed portion 91, and the movable portion 92 projects from a first end of the fixed portion 91 in the axial direction to form a projection 93, and a slit 94 is provided on the projection 93. The movable portion 92 and the fixed portion 91 are compact in structure and high in stability, and the movable portion 92 is convenient to deform under the action of water flow to open the slit 94.

Further, as shown in fig. 7, 9 and 10, the shape of the protruding portion 93 is a convex arc shape; the slit 94 is a cross slit 94 and is provided at the center of the projection 93. The cross-shaped cutting seam 94 is convenient to open and close, and the matching degree is high after the cross-shaped cutting seam is closed, so that the water leakage phenomenon is prevented.

With continuing reference to fig. 6 and 7, the second valve body 8 includes a second upper valve body 81 and a second lower valve body 82, the second upper valve body 81 has an upper valve cavity with a downward opening, the second lower valve body 82 has a lower valve cavity with an upward opening, the cavity diameters of the lower valve cavity are unequal to form an upward annular step surface 83, the second upper valve body 81 is inserted into the lower valve cavity, and a downward end of the second upper valve body 81 abuts against the annular step surface 83; the fixing portion 91 is fixed in the upper valve cavity, the upper end face of the fixing portion 91 is in sealing fit with the cavity wall of the upper valve cavity, and the lower end face of the fixing portion 91 is in sealing fit with the annular step face 83. This structural style can make second valve body 8 under the prerequisite of guaranteeing its function, reduces the volume as far as possible, reduces the weight of whole water supply mechanism, and the user of being convenient for uses.

The embodiment of the utility model discloses an electric teapot simultaneously, as shown in fig. 11 to 14, electric teapot includes host computer 101 and locates the kettle body 102 on the host computer 101, and the bottom of the kettle body 102 is equipped with second coupler 103, and the water route of second coupler 103 communicates in with the kettle body 102. The electric teapot further comprises a water supply mechanism of any of the above embodiments, the water supply mechanism is arranged in the main machine 101, the first coupler 2 of the water supply mechanism is exposed out of the top of the main machine 101, when the pot body 102 is arranged on the main machine 101, the second coupler 103 can be coupled with the first coupler 2, so that water in the water inlet pipe 4 enters the water way in the second coupler 103 through the water way in the first coupler 2 and is supplied into the pot body 102.

Fig. 11 and 12 show the water supply mechanism in the electric teapot of the embodiment using the water stop valve of the first embodiment. As shown in figures 11 and 12, the water inlet 11 of the water pump 1 is connected with an external water source, when water needs to be supplied into the kettle body 102, the water pump 1 is started, water enters the first conduit 3 and the water inlet end 96 along the arrow direction in figure 11, and pushes the first valve core 7 to move upwards to open the water inlet, the water enters the valve cavity and the water inlet pipe 4, and then enters the water path of the first coupler 2 and the water path of the second coupler 103, so that water is supplied into the kettle body 102. When the water pump 1 is turned off, the water flow stops, the force acting on the first valve core 7 disappears, the first valve core 7 is reset under the action of the elastic piece 74 to close the water inlet (see fig. 12), and water is prevented from overflowing from the water path of the first coupler 2 and being sprayed onto a circuit in the second coupler 103, so that the electrical safety problem is avoided.

Fig. 13 and 14 show the water supply mechanism in the electric teapot of the embodiment using the water stop valve of the second embodiment. As shown in fig. 13 and 14, the water inlet 11 of the water pump 1 is connected with an external water source, when water is needed to be supplied into the kettle body 102, the water pump 1 is started, water enters the first conduit 3 and the water inlet end 96 along the arrow direction in fig. 13, and pushes the movable part 92 of the second valve core 9 to move upwards and deform, so that the slit 94 is opened, and water enters the water outlet end 95 and the water inlet pipe 4 through the slit 94, and further enters the water path of the first coupler 2 and the water path of the second coupler 103 to supply water into the kettle body 102. When the water pump 1 is turned off, the water flow stops flowing, the force acting on the movable part 92 of the second valve core 9 disappears, the movable part 92 closes the slit 94 under the action of the self elastic restoring force to seal the water outlet end 95 (see fig. 12), so that water is prevented from overflowing from the water path of the first coupler 2 and being sprayed onto the circuit in the second coupler 103, and the occurrence of electrical safety problems is avoided.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

Claims

1. A water supply mechanism, includes water pump and first coupler, its characterized in that, water supply mechanism still includes:

2. The water supply mechanism according to claim 1, wherein the valve body comprises an upper valve body and a lower valve body which are snap-fit connected to define the valve chamber, an upper end of the upper valve body inwardly contracts to form a water outlet end for insertion into the first end of the water inlet pipe, and a lower end of the lower valve body inwardly contracts to form a water inlet end for insertion into the second end of the first conduit.

3. The water supply mechanism according to claim 2, wherein the valve core comprises a head part and a neck part connected with the head part, an elastic part acting on the head part is arranged in the valve cavity, and the head part can block the water inlet end under the action of the elastic force of the elastic part.

4. The water supply mechanism according to claim 3, wherein an annular boss is arranged between the head part and the neck part, and a sealing ring abutting against the annular boss is sleeved on the head part; the elastic piece is a spring, the spring is sleeved on the neck, one end of the spring abuts against the annular boss, and the other end of the spring abuts against the cavity wall of the valve cavity.

5. The water supply mechanism according to claim 2, wherein the valve core includes a fixed portion and a movable portion connected to the fixed portion, the fixed portion is fixed in the valve chamber, the movable portion is provided with a slit, and the slit is configured to open under the action of water flow delivered by the water pump and close after the action of the water flow disappears, so that the first conduit is communicated with or closed off the water inlet pipe.

6. The water supply mechanism according to claim 5, wherein the fixed portion has a ring-shaped cross section, the periphery of the movable portion is connected to the circumferential direction of the inner wall of the fixed portion, and the movable portion protrudes from the first end of the fixed portion in the axial direction to form a projection, and the slit is provided on the projection.

7. The water supply mechanism according to claim 6, wherein the shape of the projection is a convex arc shape; the cutting seam is a cross cutting seam and is arranged in the center of the protruding part.

8. The water supply mechanism according to claim 6, wherein the upper valve body has an upper valve cavity with a downward opening therein, the lower valve cavity has a lower valve cavity with an upward opening therein, the cavity diameter of the lower valve cavity is different to form an upward annular step surface, the upper valve body is inserted into the lower valve cavity, and a downward end of the upper valve body abuts against the annular step surface; the fixing part is fixed in the upper valve cavity, the upper end face of the fixing part is in sealing fit with the cavity wall of the upper valve cavity, and the lower end face of the fixing part is in sealing fit with the annular step face.

9. The water supply mechanism as claimed in claim 2, wherein the first end of the water inlet pipe is connected with a second conduit, and the water outlet end of the upper valve body is inserted into the first end of the second conduit.

10. An electric teapot comprising a pot body having a second coupler at the bottom thereof, wherein the electric teapot further comprises a water supply mechanism as claimed in any one of claims 1 to 9, wherein the second coupler is capable of coupling with the first coupler such that water in the inlet pipe is supplied into the pot body by entering a water path in the second coupler via the water path in the first coupler.