CN114158958A

CN114158958A - Drawing type kettle plug and kettle

Info

Publication number: CN114158958A
Application number: CN202111396041.3A
Authority: CN
Inventors: 吴冬
Original assignee: Shenzhen Yiyuan Technology Co ltd
Current assignee: Shenzhen Yiyuan Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-03-11
Anticipated expiration: 2041-11-23
Also published as: CN114158958B

Abstract

A pull-type kettle plug comprises a body, a sealing cover and a knob assembly, wherein the body is provided with a mounting cavity and a flow channel communicated with two ends of the body, the knob assembly is mounted in the mounting cavity and extends out of one end of the body, the sealing cover is arranged at the other end of the body and is connected with the knob assembly, so that the knob assembly can drive the sealing cover to move along the axis direction of the body to open or close the flow channel; the kettle plug further comprises a lock catch assembly, the lock catch assembly comprises a lock catch piece and a contact pressing piece which is rotatably connected with the body, the knob assembly is connected with an operating piece, the lock catch piece is movably mounted on the body, and the operating piece is connected with the lock catch piece through the contact pressing piece, so that the operating piece can drive the contact pressing piece to drive the lock catch piece to extend out of or retract into the side wall of the body under the drawing of the knob assembly.

Description

Drawing type kettle plug and kettle

Technical Field

The invention relates to the field of drinking kettle components, in particular to a pull-type kettle plug and a kettle.

Background

Most of the existing kettle plugs are made of wood materials and are formed in a solid mode, the kettle plugs are tightly plugged behind the hot water kettle, the air pressure in the hot water kettle is too large due to tight sealing, when the hot water kettle is used, water can be poured only by pulling the kettle plugs, and the use is inconvenient.

Disclosure of Invention

The invention provides a pull-type kettle plug and a kettle, which can realize quick separation of the kettle plug and a kettle body through a lock catch assembly, can pour water through a flow passage, and have simple structure and compact conception.

According to a first aspect of the invention, the invention provides a pull-type kettle plug, which comprises a body, a sealing cover, a knob assembly and a temperature indicating module, wherein the temperature indicating module is used for detecting the temperature in a kettle and displaying the temperature, the temperature indicating module is installed on the body or the knob assembly, the body is provided with an installation cavity and a flow channel communicated with two ends of the body, the knob assembly is installed in the installation cavity and extends out of one end of the body, the sealing cover is arranged at the other end of the body and is connected with the knob assembly, so that the knob assembly can drive the sealing cover to move along the axial direction of the body to open or close the flow channel;

the kettle plug further comprises a lock catch assembly, the lock catch assembly comprises a lock catch piece and a contact pressing piece which is rotatably connected with the body, the knob assembly is connected with an operating piece, the lock catch piece is movably mounted on the body, and the operating piece is connected with the lock catch piece through the contact pressing piece, so that the operating piece can drive the contact pressing piece to drive the lock catch piece to extend out of or retract into the side wall of the body under the drawing of the knob assembly.

In the kettle plug according to an embodiment of the present invention, the locking assembly further includes an elastic member, one end of the elastic member abuts against the contact-pressing member, and the other end of the elastic member abuts against the body, so that the locking member can extend out of the side wall of the body under the action of the elastic member.

In the kettle plug according to an embodiment of the present invention, the locking member is provided with a connecting groove, one end of the contact member is movably connected to the connecting groove, and the other end of the contact member is movably connected to the operating member.

In the spout plug according to an embodiment of the present invention, the operating member has an inclined surface that is provided at an angle to the body, so that the other end of the contact/pressure member can slide along a top end of the inclined surface to a bottom end of the inclined surface.

In the kettle plug according to an embodiment of the present invention, an arc-shaped boss is disposed at the other end of the contact member, and the contact member is movably connected to the inclined surface through the arc-shaped boss.

In the kettle plug according to an embodiment of the present invention, the knob assembly includes a knob, a driving seat and a movable seat connected to the sealing cover, the operating element is fixedly connected to the knob, the driving seat and the movable seat are sleeved on an outer side of the operating element, and the movable seat is in transmission connection with the knob through the driving seat.

In the kettle plug according to an embodiment of the present invention, the knob assembly includes a reset member, one end of the reset member abuts against the movable seat, and the other end of the reset member abuts against the operation member.

In the kettle plug according to an embodiment of the present invention, the movable seat is provided with an inclined plane groove, and the driving seat is provided with an inclined plane table, which is matched with the inclined plane groove and used for driving the movable seat to drive the sealing cover to move.

In the kettle plug according to an embodiment of the present invention, the operating member includes a connecting rod and a push-out table provided with the inclined surface, and the push-out table is fixedly connected to the knob through the connecting rod.

According to a second aspect of the invention, the invention provides a kettle, which comprises a kettle body and the kettle plug, wherein the kettle body is provided with a kettle opening and a water storage cavity communicated with the kettle opening, and the kettle plug is arranged in the kettle opening and used for plugging the kettle opening.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a draw formula kettle stopper and kettle, including body, closing cap and knob subassembly, is equipped with installation cavity and intercommunication on the body the runner at body both ends, knob subassembly install in the installation cavity and stretch out the one end of body for the closing cap of the control body other end removes along the axis direction of body, in order to open or close the runner. The kettle plug is further provided with a locking component, the locking component comprises a locking piece and a contact pressing piece which is rotatably connected with the body, and the knob component is connected with an operating piece, so that the operating piece can drive the contact pressing piece to drive the locking piece to extend out of or retract into the side wall of the body under the drawing of the knob component, and the operating piece is used for being connected into a corresponding clamping groove in the kettle body to realize the fixation of the kettle plug and the kettle body, and meanwhile, the kettle plug can be quickly separated, the structure is simple, and the conception is compact.

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 application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is an exploded view of a push type closure according to an embodiment of the present application;

FIG. 2 is a schematic view of the closure of FIG. 1, with the catch assembly in an extended position;

FIG. 3 is a cross-sectional schematic view of the closure of FIG. 1, with the catch assembly in an extended condition;

FIG. 4 is a cross-sectional schematic view of the closure of FIG. 1, with the catch assembly in a retracted state;

FIG. 5 is a schematic structural view of the closure of FIG. 1, with the catch assembly in a retracted state;

FIG. 6 is a schematic partial structural view of the closure of FIG. 1, showing the assembly in one of its states;

FIG. 7 is a schematic cross-sectional view of the closure of FIG. 6, showing the assembly in a water-out condition;

FIG. 8 is a schematic partial structural view of the closure of FIG. 1, with the display assembly in another state;

fig. 9 is a schematic cross-sectional view of the closure of fig. 8, showing the assembly in a water-sealed condition.

Description of reference numerals:

10. a body; 11. a face cover; 111. marking the display hole; 112. an arc-shaped slot;

20. a knob assembly; 21. a knob; 211. a concave cavity; 212. a drive slot; 22. a driving seat; 221. an inclined platform; 222. a drive stage; 223. an arc-shaped track; 23. a movable seat; 231. an inclined plane groove; 24. an operating member; 242. a connecting rod; 241. ejecting the platform; 25. a reset member;

30. sealing the cover; 31. a cover plate; 32. connecting columns;

40. a latch assembly; 41. a contact pressing piece; 42. a fastener; 43. an elastic member;

50. a display component; 51. a display member; 511. a display unit; 512. a toggle part; 513. a repositor mounting section; 52. a repositor;

60. a temperature display module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 9, according to a first aspect of the present application, the present application provides a pull-type kettle plug, which includes a body 10, a sealing cover 30 and a knob assembly 20, wherein the body 10 is provided with an installation cavity and a flow channel communicating with two ends of the body 10, the knob assembly 20 is installed in the installation cavity and extends out of one end of the body 10, and the sealing cover 30 is disposed at the other end of the body 10 and connected to the knob assembly 20, so that the knob assembly 20 can drive the sealing cover 30 to move along an axial direction of the body 10 to open or close the flow channel.

Illustratively, the mounting cavity penetrates through the other end of the body 10 from one end of the body 10, a part of the knob assembly 20 is exposed outside the body 10, the remaining part of the knob assembly 20 is mounted in the mounting cavity, and the sealing cover 30 is disposed at the other end of the body 10 opposite to the knob assembly 20 and extends into the mounting cavity to be connected with the knob assembly 20, so that the knob assembly 20 can drive the sealing cover 30 to move along the axial direction of the body 10 to open or close the flow channel in the rotating process.

The kettle plug further comprises a locking component 40, the locking component 40 comprises a locking piece 42 and a contact pressing piece 41, the knob component 20 is connected with an operating piece 24, and the contact pressing piece 41 is rotatably connected with the body 10, so that the operating piece 24 can be driven by pulling the knob component 20 to drive the contact pressing piece 41 to control the locking piece 42 to extend out or retract into the side wall of the body 10, the kettle plug and the kettle body can be separated or assembled, the structure is simple, and the conception is compact.

Illustratively, the locking element 42 can be movably mounted on the body 10, the operating element 24 is connected with one end of the contact element 41, and the other end of the contact element 41 is connected with the locking element 42, so that the operating element 24 can drive the contact element 41 to drive the locking element 42 to extend out or retract into the side wall of the body 10 when being pulled out of the knob assembly 20, and is used for being clamped in a corresponding clamping groove on the kettle body to fix the kettle plug and the kettle body, thereby not only being capable of rapidly separating or assembling the kettle plug and the kettle body, but also having simple structure and compact conception.

Illustratively, the kettle body is provided with a clamping groove corresponding to the locking assembly 40, when the kettle plug needs to be arranged, the kettle plug is firstly placed on a kettle opening of the kettle body, the locking assembly 40 is clamped into the clamping groove under the action of gravity and/or slight external force of the kettle plug, the kettle plug is further fixed, the kettle plug is ensured not to fall off from the kettle body, and liquid in the kettle can be splashed. When the kettle plug needs to be taken out from the kettle opening of the kettle body, the knob component 20 is pulled to separate the lock catch component 30 from the clamping groove, so that the kettle plug is taken out, the assembly or the disassembly is simple and quick, the overall appearance is attractive, the structure is simple, the cleaning is easy, and the use is convenient.

In an optional embodiment, the kettle plug further comprises a temperature indicating module 50, and the temperature indicating module 50 is arranged on the body 10 or the knob assembly 20 and is used for detecting and displaying the temperature in the kettle, so that a user can use the kettle plug conveniently according to the temperature in the kettle.

Illustratively, the temperature indicating module 50 includes a detecting rod and a temperature display plate connected to the detecting rod, the detecting rod is inserted into the knob assembly 20 for detecting the temperature in the kettle and displaying the temperature in the kettle through the temperature display plate.

In an alternative embodiment, the latch assembly 40 further includes an elastic member 43, one end of the elastic member 43 abuts against the contact member 41, and the other end of the elastic member 43 abuts against the body 10, so that the latch member 42 can extend out of the side wall of the body 10 under the action of the elastic member 43, thereby realizing the automatic reset function of the latch member 42.

Illustratively, the locking assembly 40 further includes a rotating shaft, the elastic member 43 is a torsion spring, the touch pressing member 41 is rotatably mounted on the body 10 through the rotating shaft, the elastic member 43 is sleeved on the rotating shaft, one end of the elastic member 43 abuts against the touch pressing member 41, and the other end abuts against the body 10, so that the touch pressing member 41 can control the automatic reset function of the locking member 42 under the driving of the elastic member 43, so as to ensure that the locking member 42 always keeps extending out of the side wall of the body 10.

In an alternative embodiment, the locking member 42 is provided with a connecting groove, one end of the contact member 41 is movably connected in the connecting groove, and the other end of the contact member 41 is movably connected with the operating member 24, so that when the operating member 24 moves along the axial direction of the body 10, the contact member 41 moves from one side of the operating member 24 to the other side of the operating member 24, and the other end of the contact member 41 located in the connecting groove is in a swinging state relative to the connecting groove, thereby driving the locking member 42 to extend out or retract into the side wall of the body 10 for being clamped in a corresponding clamping groove on the kettle body, so as to fix the kettle plug and the kettle body.

In an alternative embodiment, the operating element 24 has an inclined plane arranged at an angle to the body 10, and the other end of the pressing element slides along the top end of the inclined plane to the bottom end of the inclined plane to drive the locking element 42 to extend out of or retract into the side wall of the body 10 for being clamped in a corresponding clamping groove on the kettle body to fix the kettle plug to the kettle body.

In an alternative embodiment, the other end of the contact member 41 is provided with an arc-shaped protrusion, and the contact member 41 is movably connected to the inclined surface through the arc-shaped protrusion to reduce the relative friction between the contact member 41 and the inclined surface.

In an alternative embodiment, the knob assembly 20 includes a knob 21, a driving seat 22 and a movable seat 23 connected to the sealing cover 30, the operating element 24 is fixedly connected to the knob 21, the driving seat 22 and the movable seat 23 are sleeved outside the operating element 24, and the movable seat 23 is in transmission connection with the knob 21 through the driving seat 22, so that the knob 21 can drive the movable seat 23 to drive the sealing cover 30 to move along the axial direction of the body 10 by rotating, so as to open or close the flow channel, and at the same time, the operating element 24 can be driven by pulling the knob 21 to control the locking element 42 to extend out of or retract into the side wall of the body 10.

Illustratively, the knob 21 is provided with a driving groove 212, the driving seat 22 is provided with a driving platform 222, and the position of the driving platform corresponds to the position of the driving groove, so that the knob 21 can drive the driving seat 22 to rotate through the connection between the driving groove and the driving platform, and thus the driving seat 22 controls the movable seat 23 to drive the sealing cover 30 to move along the axial direction of the body 10.

In the present embodiment, the driving grooves are provided outside the knob 21 in the axial direction of the knob 21, the driving stages are provided outside the driving seat 22 in the axial direction of the driving seat 22, and the number of the driving grooves and the number of the driving stages are plural.

In an alternative embodiment, the movable seat 23 is provided with a slope groove 231, and the driving seat 22 is provided with a slope platform 221, which cooperates with the slope groove to drive the movable seat 23 to drive the sealing cover 30 to move.

Illustratively, the shape and size of the inclined plane groove are adapted to the shape and size of the inclined plane table, and when the knob 21 rotates, the inclined plane table is located in the trough of the inclined plane groove or moves along the inclined plane of the inclined plane groove and is located on the peak of the inclined plane groove, so as to drive the cover 30 connected to the movable seat 23 to reciprocate along the axial direction of the body 10.

When the inclined plane platform is completely attached to the wave trough of the inclined plane groove, the sealing cover 30 closes the flow channel, and when the inclined plane platform is located at the wave crest of the inclined plane groove, the sealing cover 30 opens the flow channel, so that the operation is simple, and only the knob 21 needs to be rotated, so that the main inclined plane platform is attached to the wave trough of the inclined plane groove or located at the wave crest of the inclined plane groove.

In an alternative embodiment, the knob assembly 20 includes a reset member 25, one end of the reset member 25 abuts against the movable seat 23, and the other end of the reset member 25 abuts against the operating member 24.

Exemplarily, the piece that resets is the spring, and the piece cover that resets is located on the outside of the piece 25 that resets for promote the sliding seat 23 and reset, make the inclined plane platform can laminate completely with the trough in inclined plane groove, thereby promote closing cap 30 and close the runner.

In an alternative embodiment, the cover 30 includes a cover plate 31 and a connection post 32, and the connection post 32 is disposed on the cover plate 31 for connecting with the movable seat 23, so that the movable seat 23 can open or close the flow passage by driving the cover plate 31 through the connection post 32.

Wherein, knob 21 can be connected with drive seat 22 direct connection or indirect connection, and in this embodiment, drive seat 22 passes through connecting seat 22 and knob 21 fixed connection, drives seat 22 and sliding seat 23 swing joint for knob 21 can drive seat 22 pivoted in-process, and drive seat 22 can drive sliding seat 23 and do reciprocating motion along the axis direction of body 10, thereby drives closing cap 30 who is connected with sliding seat 23 and opens or close the runner.

In an alternative embodiment, the outer side wall of the knob 21 is provided with a plurality of concave-convex lines to increase the friction of the knob 21 in contact with fingers. Wherein, be equipped with cavity 211 and wear to establish the hole on the knob 21, the lateral wall of cavity 211 forms the control operation portion that is used for the finger to rotate knob 21, and the line setting of a plurality of unsmooths is on control operation portion, and the temperature display dish is installed in the cavity, and the gauge rod wears to establish in the wear to establish the hole.

In this embodiment, be equipped with first sealing washer between probe rod outer wall and the wearing hole, first sealing washer fastening is on the probe rod outer wall, has both prevented that the liquid in the kettle from getting into the wearing hole, can fix the probe rod in the wearing hole again to fix the temperature display dish in the cavity, when rotating knob 21, the temperature indicating module can not rotate along with the rotation of knob 21, makes things convenient for the user to read the temperature display on the temperature display dish.

In an alternative embodiment, the operating member 24 comprises a connecting rod 242 and an ejection table 241 provided with an inclined surface, the ejection table 241 being fixedly connected to the knob 21 by the connecting rod 242.

Exemplarily, the connecting rod 242 has a first end and a second end which are equivalent, the first end is fixedly connected with the knob 21, the second end is provided with an installation table, two sides of the installation table are provided with connecting rod grooves, and after the ejection table 241 is fixed on the installation table, the connecting rod grooves can limit the ejection table 241, so that the inclined plane position of the ejection table 241 corresponds to the position of the arc boss all the time.

In an optional embodiment, the bottle plug further comprises a display assembly 50, the display assembly 50 comprises a display member 51 having a display portion 511 and a toggle portion 512, the display portion 511 is provided with a first identifier and a second identifier, and the toggle portion 512 is in transmission connection with the knob assembly 20, so that the knob assembly 20 can drive the display portion 511 to display the first identifier or the second identifier in the rotating process.

In the present embodiment, the body 10 is provided with a mark display hole 111, the position of the display portion 51 corresponds to the position of the mark display hole 111, and the mark display hole 111 can display the first mark or the second mark to show that the kettle plug is in the water sealing state or the water outlet state under the driving of the knob assembly 20.

Illustratively, the body 10 includes a face cover 11, an arc-shaped slot 112 is provided on the face cover 11, the indication hole 111 is provided on the bottom of the arc-shaped slot 112, and the display part 51 is movably mounted in the arc-shaped slot 112.

In an alternative embodiment, the display portion 511 has an elliptical arc shape, and the shape of the arc-shaped groove 112 is adapted to the shape of the display portion 51, so that the display portion 511 can move in the arc-shaped groove.

In an alternative embodiment, display assembly 50 includes a repositioner 52, repositioner 52 being disposed between display member 51 and body 10 for repositioning of display member 51.

In an alternative embodiment, the first and second marks are provided at both ends of the display portion 511, and the mark display hole 111 is provided at the middle of the arc-shaped groove 112.

In an alternative embodiment, the display member 51 is further provided with a repositioner mounting portion 513, the repositioner mounting portion is arranged between the display portion 511 and the toggle portion 512, and the repositioner 52 is mounted in the repositioner mounting portion 512.

In an alternative embodiment, the toggle part 512 is in transmission connection with the driving seat 22, so that the toggle part 512 can control the first mark or the second mark on the display part 511 to be displayed in the mark display hole 111 when the driving seat 22 rotates.

Wherein, be equipped with the arc track 223 that is oval structure on the drive seat 22, toggle portion 512 and arc track 223 swing joint for toggle portion 512 can be when drive seat 22 rotates along arc track 223 activity.

In an alternative embodiment, the arc-shaped track 223 is provided with first grooves at both ends of the short axis thereof, so that the toggle part 512 can be received in the first grooves to increase the moving stroke of the display part 511, ensuring that the first logo or the second logo can be displayed in the logo display hole 111.

In an alternative embodiment, the toggle part 512 has an arc end with a size matched with the first groove, and the arc end contacts with the arc track to reduce the friction force between the toggle part 512 and the arc track.

As shown in fig. 1 to 9, according to a second aspect of the present application, the present application provides a water kettle, which includes a kettle body and the above-mentioned kettle plug, wherein the kettle body is provided with a kettle opening and a water storage cavity communicated with the kettle opening, and the kettle plug is installed in the kettle opening and used for plugging the kettle opening.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the invention. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

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

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A pull-type kettle plug is characterized by comprising a body, a sealing cover, a knob assembly and a temperature indicating module, wherein the temperature indicating module is used for detecting the temperature in a kettle and displaying the temperature, the temperature indicating module is installed on the body or the knob assembly, the body is provided with an installation cavity and a flow channel communicated with the two ends of the body, the knob assembly is installed in the installation cavity and extends out of one end of the body, the sealing cover is arranged at the other end of the body and is connected with the knob assembly, so that the knob assembly can drive the sealing cover to move along the axial direction of the body to open or close the flow channel;

2. A closure as claimed in claim 1, wherein the locking assembly further comprises a resilient member, one end of the resilient member abuts the contact member and the other end of the resilient member abuts the body, such that the locking member is able to extend beyond the side wall of the body under the action of the resilient member.

3. A kettle plug according to claim 2, wherein the locking member is provided with a connecting groove, one end of the contact member is movably connected in the connecting groove, and the other end of the contact member is movably connected with the operating member.

4. A closure as claimed in claim 3, wherein the operating member has an inclined surface arranged at an angle to the body such that the other end of the contact member can slide along the top end of the inclined surface to the bottom end of the inclined surface.

5. The kettle plug as in claim 4, wherein the other end of the contact member is provided with an arc-shaped boss, and the contact member is movably connected with the inclined surface through the arc-shaped boss.

6. The kettle plug as recited in claim 1, wherein the knob assembly comprises a knob, a driving seat and a movable seat connected with the cover, the operating member is fixedly connected with the knob, the driving seat and the movable seat are sleeved on the outer side of the operating member, and the movable seat is in transmission connection with the knob through the driving seat.

7. A kettle plug according to claim 6, wherein the knob assembly includes a reset member, one end of the reset member abuts against the movable seat, and the other end of the reset member abuts against the operating member.

8. A kettle plug according to claim 6, wherein a slope groove is provided on the movable seat, and a slope platform is provided on the driving seat, and the slope platform cooperates with the slope groove to drive the movable seat to drive the sealing cover to move.

9. A kettle plug according to claim 6, wherein the operating member comprises a connecting rod and an ejecting platform provided with the inclined surface, the ejecting platform being fixedly connected to the knob through the connecting rod.

10. A kettle comprising a body provided with a spout and a reservoir chamber communicating with the spout, and a plug as claimed in any one of claims 1 to 9 mounted in the spout for sealing the spout.