Rotary inner plug device and thermos thereof

Abstract

The utility model relates to a rotary inner plug device and a kettle thereof, the rotary inner plug device comprises a rotary assembly and a rotary seat assembly, the rotary assembly comprises a knob, a knob seat and an unlocking linkage piece, and the rotary seat assembly comprises a water outlet piece, a water outlet lining, a guide column piece, a water inlet sealing gasket and a reset pressure spring. A water outlet is formed in the top of the water outlet piece, a water inlet is formed in the bottom of the water outlet piece, and a water passing channel is formed between the water outlet piece and the water outlet lining. A knob base buckling groove is formed in the outer side wall of the knob base, a push block is arranged on the inner side wall of a groove in the bottom of the knob base, and a lifting slope matched with the push block is arranged at the upper end of the unlocking linkage piece. A water outlet piece counter bore is formed in the water outlet piece, a lining counter bore is formed in the water outlet lining, a lining buckling position is arranged on the inner side wall of the lining counter bore, and the lining buckling position is buckled in a knob base buckling position groove of the knob base, so that the rotating assembly and the rotating base assembly are buckled together. The utility model provides a convenient water outlet mode, and the safety of using the kettle is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water containers, in particular to a rotary inner plug device and a hot water kettle thereof. Background Art

[0002] After the existing kettle is filled with hot water, as the temperature of the hot water in the kettle drops, a vacuum is generated in the kettle, making it difficult to open the kettle plug. If the kettle plug is forcibly opened, the hot water steam that instantly overflows may scald the user, posing a safety hazard to the user. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a rotary inner plug device and a kettle thereof, wherein a knob is provided on the inner plug of the kettle, and the sealing gasket is gradually opened by turning the knob, thereby safely breaking the vacuum in the kettle, thereby ensuring the safety of the user; at the same time, a convenient way of discharging water is provided to the kettle.

[0004] The utility model is implemented as follows: a rotary plug device is provided, comprising a rotary assembly and a rotary seat assembly, the rotary assembly comprising a knob, a knob seat connected to the knob, and an unlocking linkage member, the unlocking linkage member being movably mounted in a groove at the bottom of the knob seat, a push block being provided on the inner side wall of the groove at the bottom of the knob seat, and a lifting inclined surface cooperating with the push block being provided on the upper end of the unlocking linkage member;

[0005] The rotary seat assembly includes a water outlet, a water outlet lining, a guide post, and a water inlet sealing gasket. The water outlet is provided at the top of the water outlet, the water inlet is provided at the bottom of the water outlet, guide post through holes are provided on the water outlet and the water outlet lining respectively, the guide post passes through the guide post through holes, a water outlet countersunk hole is provided in the water outlet, and a liner countersunk hole is provided in the water outlet lining. The water outlet lining is fixed in the countersunk hole of the water outlet and forms a water passage with the water outlet, and the water passage is connected with the water inlet and the water outlet respectively; the knob seat is rotatably provided in the countersunk hole of the liner;

[0006] The top of the guide column is connected to the unlocking linkage, the lower end of the guide column is provided with a water inlet sealing gasket corresponding to the water inlet, and a reset compression spring is provided between the guide column and the water outlet lining; when the knob is rotated, the unlocking linkage drives the guide column and the water inlet sealing gasket to move up and down to control the opening or closing of the water inlet.

[0007] Furthermore, the rotating assembly also includes a guide rod member, which includes a guide rod and a guide rod head fixed at one end of the guide rod, the guide rod head is located in the knob, and the guide rod passes through the knob, knob seat, unlocking linkage, guide column member and water inlet sealing gasket in sequence and extends to the outside of the water inlet sealing gasket; the unlocking linkage member and the guide column member move up and down along the guide rod at the same time.

[0008] Furthermore, a button seat hole is provided on the knob, and a contact rod and a compression spring are provided in the button seat hole, the upper part of the compression spring is attached to the bottom surface of the knob hole, and the lower part of the compression spring is connected to the contact rod; one end of the contact rod is a contact end and the contact end protrudes out of the button seat hole; an annular end face is provided on the water outlet lining, and a plurality of evenly arranged gear grooves are provided on the annular end face, the contact end of the contact rod abuts against the gear groove, and the contact rod rotates with the knob and slides along the annular end face.

[0009] Furthermore, the rotary seat assembly further comprises a guide post positioning piece and an inner lining sealing ring, wherein the guide post positioning piece is sleeved on the upper portion of the guide post piece, and the upper end of the return compression spring is connected to the guide post positioning piece on the guide post piece;

[0010] The water inlet sealing gasket is arranged at the lower end of the guide column and located at the lower part of the water inlet; the liner sealing ring is arranged at the lower end of the water outlet liner, and is used to seal the lower end surface of the water outlet liner with the bottom surface of the water outlet sink hole of the water outlet;

[0011] A raised lining buckle position is provided on the inner side wall of the lining countersunk hole, and a button seat buckle groove is provided on the outer side wall of the knob seat. The lining buckle position is buckled in the button seat buckle groove of the knob seat.

[0012] Furthermore, the knob is provided with an inner lining member, which includes an inner lining body and a column. The column passes through both the knob and the knob seat. The column is provided with a buckle body, which is connected to a buckle ring, which is buckled and connected to the column. The buckle ring abuts against one end of the unlocking linkage and limits its axial position.

[0013] Furthermore, a water outlet limiting groove is provided on the inner side wall of the water outlet countersunk hole, and correspondingly, a lining limiting protrusion is provided on the outer side wall of the water outlet lining, and the lining limiting protrusion is located in the corresponding water outlet limiting groove.

[0014] Furthermore, a guide post sealing ring is sleeved on the guide post member, and the guide post sealing ring is arranged in the guide post through hole of the water outlet member to seal the water outlet member and the guide post member.

[0015] Furthermore, a linkage limiting column is provided on the outer side wall of the unlocking linkage, and a lining limiting groove corresponding to the linkage limiting column is provided on the inner side wall of the lining countersunk hole. The linkage limiting column is located in the corresponding lining limiting groove and moves up and down along the lining limiting groove.

[0016] Furthermore, it also includes a tea strainer box, on the inner wall of which a plurality of tea strainer limiting protrusions are provided, and on the outer wall of the water outlet part a plurality of water outlet limiting grooves are provided, and the opening of each water outlet limiting groove is provided on the bottom surface of the water outlet part, and each tea strainer limiting protrusion is respectively matched with the corresponding water outlet limiting groove, so that the tea strainer box can be detachably installed on the water outlet part.

[0017] Furthermore, a positioning groove is provided at the high end of the lifting slope; when the push block slides to the high end of the lifting slope, the lower end of the push block is locked in the positioning groove so that the push block stays stably at the high end of the lifting slope.

[0018] Furthermore, a temperature sensor is provided in the guide rod, a temperature indicating module is provided on the upper surface of the guide rod head, and the temperature sensor is connected to the temperature indicating module.

[0019] A kettle is provided with a kettle opening at one end, and a rotating inner plug device is arranged in the kettle opening.

[0020] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention provides a rotary plug device and a kettle thereof, wherein the rotary plug device comprises a rotary assembly and a rotary seat assembly, wherein the rotary assembly comprises a knob, a knob seat and an unlocking linkage, and the rotary seat assembly comprises a water outlet, a water outlet lining, a guide column, a water inlet sealing gasket and a reset compression spring. A water outlet is provided at the top of the water outlet, a water inlet is provided at the bottom of the water outlet, a water passage is provided between the water outlet and the water outlet lining, and the water passage is connected to the water inlet and the water outlet respectively. A button seat buckle groove is provided on the outer wall of the knob seat, the unlocking linkage is movably mounted in a groove at the bottom of the knob seat, a push block is provided on the inner wall of the groove, and a lifting inclined surface cooperating with the push block is provided at the upper end of the unlocking linkage. Guide post holes are provided on the water outlet member and the water outlet liner, respectively. The guide post member passes through the guide post holes. A water outlet member countersunk hole is provided in the water outlet member, and a liner countersunk hole is provided in the water outlet liner. The top of the guide post member extends into the liner countersunk hole and fits against the bottom surface of the unlocking linkage member. The water inlet sealing gasket is provided at the lower end of the guide post member and seals the water inlet. When the knob is rotated, the push block rises and slides along the lifting slope, forcing the unlocking linkage member to gradually move the guide post member downward, so that the water inlet sealing gasket gradually opens the seal of the water inlet until the water inlet is opened to the maximum position. The reset compression spring is sleeved on the guide post member and is located between the guide post positioning member and the water outlet member. A raised liner buckle is provided on the inner side wall of the liner countersunk hole. The liner buckle is buckled into the button seat buckle groove of the knob seat, so that the rotating assembly and the rotating seat assembly are buckled together. When the knob is rotated and placed in the first position, the unlocking linkage is in the highest position. Under the release force of the reset compression spring, the guide column is in the highest position, and the water inlet sealing gasket seals the water inlet. When the knob is rotated in the opposite direction and gradually rotated to the second position, the push block rises and slides along the lifting slope and drives the unlocking linkage to gradually move downward. The unlocking linkage and the guide column are gradually in the lowest position at the same time, the water inlet sealing gasket gradually leaves the water inlet, and the water inlet gradually opens to the maximum state. The rotary plug device of the present invention is provided with a knob, and the water inlet sealing gasket is gradually opened by the knob, thereby safely breaking the vacuum in the kettle and ensuring the safety of the user. At the same time, a water outlet, a water inlet and a water passage are provided. After the knob opens the water inlet, the water in the kettle can be poured out from the water outlet through the water inlet and the water passage, providing the kettle with a convenient way to discharge water. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional schematic diagram of a preferred embodiment of the rotary plugging device of the present invention;

[0022] Figure 2 for Figure 1 Full cross-sectional diagram;

[0023] Figure 3 for Figure 1 Exploded diagram of the middle rotating assembly and the rotating seat assembly;

[0024] Figure 4 for Figure 3 A cross-sectional view of the central rotating assembly without the unlocking linkage;

[0025] Figure 5 for Figure 3 Exploded diagram of the center swivel assembly;

[0026] Figure 6 A three-dimensional schematic diagram of the knob and the lining member in one direction;

[0027] Figure 7 This is a three-dimensional schematic diagram of the knob and the lining member after being combined in another direction;

[0028] Figure 8 A three-dimensional schematic diagram of an unlocking linkage;

[0029] Figure 9 A three-dimensional schematic diagram of the knob seat in one direction;

[0030] Figure 10 It is a three-dimensional schematic diagram of the knob seat from another direction;

[0031] Figure 11 for Figure 5 A three-dimensional schematic diagram of the middle water outlet;

[0032] Figure 12 for Figure 5 A three-dimensional schematic diagram of the outlet lining;

[0033] Figure 13 for Figure 1 A three-dimensional diagram of the Chinese tea box;

[0034] Figure 14 This is a three-dimensional schematic diagram of the utility model kettle; DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] Please also refer to Figures 1 to 12 、 Figure 13 As shown in FIG, a preferred embodiment of the rotary plugging device of the present invention comprises a rotating assembly 1, a rotary seat assembly 2 and a tea strainer box 3.

[0037] The rotation assembly 1 comprises a knob 11, a knob seat 12, an unlocking linkage 13, and a guide rod 14. The knob 11 is fastened to the knob seat 12, with a button seat snap-fitting slot 121 provided on the outer wall of the knob seat 12. The unlocking linkage 13 is movably mounted within a groove at the bottom of the knob seat 12. A push block 122 is provided on the inner wall of the groove, and a lifting ramp 131 is provided at the upper end of the unlocking linkage 13 to engage with the push block 122. When the knob 11 and knob seat 12 are rotated simultaneously clockwise or counterclockwise, the push block 122 slides up and down along the lifting ramp 131, driving the unlocking linkage 13 to move downward or upward. One end of the lifting slope 131 is a high end, and the other end is a low end. A positioning groove 133 is provided at the high end of the lifting slope 131; when the push block 122 slides to the high end of the lifting slope 131, the lower end of the push block 122 is stuck in the positioning groove so that the push block 122 stays stably at the high end of the lifting slope.

[0038] The knob 11 is also provided with a button seat hole 113, and a button seat hole 123 is located at the edge of the knob 11. A contact rod 15 and a compression spring 16 are disposed within the button seat hole 113. The upper portion of the compression spring 16 abuts against the bottom surface of the button seat hole 113, and the lower portion of the compression spring 16 is connected to the contact rod 15. The contact rod 15 can slide within the button seat hole 113; one end of the contact rod 15 is a contact end, which protrudes out of the button seat hole 113.

[0039] The guide rod member 14 includes a guide rod head 141 and a guide rod 142 that are fixedly connected together. The guide rod head 141 is located in the knob 11 , and the guide rod head 141 and the knob 11 are engaged and fixed together.

[0040] The rotary seat assembly 2 includes a water outlet 21, a water outlet lining 22, a guide post 23, a guide post positioning member 24, a water inlet sealing gasket 25, a lining sealing ring 26 and a return spring 27. A water outlet 211 is provided at the top of the water outlet 21, a water inlet 212 is provided at the bottom of the water outlet 21, and a water passage 213 is provided between the water outlet 21 and the water outlet lining 22. The water passage 213 is connected to the water inlet 212 and the water outlet 211 respectively. Figure 12 As shown. Guide post through holes 28 are respectively provided on the water outlet member 21 and the water outlet liner 22, and the guide post member 23 passes through the guide post through holes 28. A water outlet member countersunk hole 214 is provided in the water outlet member 21, and a liner countersunk hole 221 is provided in the water outlet liner 22. The water outlet member countersunk hole 214 is coaxially connected to the guide post through hole 28 located on the water outlet member 21, and the liner countersunk hole 221 is coaxially connected to the guide post through hole 28 located on the water outlet liner 22. The water outlet liner 22 is fixed in the water outlet member countersunk hole 214 and is close to the water outlet 211. The knob seat 12 and the unlocking linkage member 13 are located in the liner countersunk hole 221, and the knob seat 12 is rotatably provided in the liner countersunk hole 221. The water outlet liner 22 is fixed to the water outlet member 21 by two liner screws 29.

[0041] In this embodiment, the water outlet liner 22 is a split structure, and the water outlet liner 22 is composed of an upper body part and a lower body part connected to each other; the upper body part and the lower body part are snap-connected to form a complete water outlet liner 22.

[0042] The top of the guide column member 23 extends into the inner liner countersunk hole 221 and fits against the bottom surface of the unlocking linkage member 13. The guide column positioning member 24 is sleeved on the upper part of the guide column member 23 and is located in the inner liner countersunk hole 221. The water inlet sealing gasket 25 is arranged at the lower end of the guide column member 23 and is located at the lower part of the water inlet 212. The water inlet sealing gasket 25 seals the water inlet 212. When the knob 11 is rotated, the unlocking linkage member 13 drives the guide column member and the water inlet sealing gasket 25 to move up and down to control the opening or closing of the water inlet. When the knob 11 is rotated, the push block 122 rises and slides along the lifting slope 131, forcing the unlocking linkage member 13 to drive the guide column member 23 to gradually move downward, so that the water inlet sealing gasket 25 gradually opens the seal of the water inlet 212 until the water inlet 212 is opened to the maximum position.

[0043] A liner sealing ring 26 is provided at the lower end of the outlet liner 22, sealing the lower end surface of the outlet liner 22 against the bottom surface of the outlet counterbore 214 of the outlet member 21. A return spring 27 is sleeved onto the guide post 23 and positioned between the guide post positioning member 24 and the outlet liner 22. A raised liner buckle 222 is provided on the inner sidewall of the liner counterbore 221. This buckle 222 snaps into the button seat buckle slot 121 of the knob seat 12, securing the rotating assembly 1 and the rotary seat assembly 2 together.

[0044] When the knob 11 is rotated and placed in the first position, the unlocking linkage 13 is in the highest position. Under the release force of the return compression spring 27, the guide column 23 is in the highest position, and the water inlet sealing gasket 25 seals the water inlet 212. In the process of rotating the knob 11 in the opposite direction and gradually rotating it to the second position, the push block 122 rises and slides along the lifting slope 131 and drives the unlocking linkage 13 to gradually move downward. The unlocking linkage 13 and the guide column 23 are gradually in the lowest position at the same time, the water inlet sealing gasket 25 gradually leaves the water inlet 212, and the water inlet 212 gradually opens to the maximum state.

[0045] The bottom of the knob 11 is provided with a plurality of knob-limiting ribs 111 and a plurality of knob-locking blocks 112. The knob seat 12 is correspondingly provided with a plurality of knob-locking grooves 124, with each knob-limiting rib 111 being mounted within a corresponding knob-locking groove 124. The knob 11 is also provided with an inner lining 17, which comprises an inner lining body 171 and a column 172. The column 172 passes through both the knob 11 and the knob seat 12. A buckle 173 is provided on the column 172, which is connected to a buckle 18. The buckle 18 cooperates with the buckle 173 on the column 172, allowing the buckle 18 to be snap-connected to the column 172. The buckle 18 abuts against one end of the unlocking linkage 13 and limits its axial position, thereby achieving relative fixation between the unlocking linkage 13 and the knob 11. In this embodiment, four knob limiting ribs 111 and four knob buckle blocks 112 are respectively provided on the bottom of the knob 11, and four knob seat limiting grooves 124 are provided on the knob seat 12. A knob cover 113 and a position mark 114 are also respectively provided on the knob 11.

[0046] The guide rod 142 passes through the axis of the knob 11, the knob seat 12, the unlocking linkage 13, the guide column 23 and the water inlet sealing gasket 25 in sequence and extends to the outside of the water inlet sealing gasket 25. The unlocking linkage 13 and the guide column 23 move up and down along the guide rod 142 at the same time.

[0047] Furthermore, a temperature sensor is provided in the guide rod 142, and a temperature display module is provided on the upper surface of the guide rod head 141. The temperature sensor is connected to the temperature display module. The temperature sensor provided in the guide rod 142 can measure the temperature of the water in the kettle and display the temperature value through the temperature display module.

[0048] Several tea strainer limiting protrusions 31 are provided on the inner wall of the tea strainer box 3, and several water outlet limiting grooves 215 are provided on the outer wall of the water outlet member 21. The opening of each water outlet limiting groove 215 is located on the bottom surface of the water outlet member 21. Each tea strainer limiting protrusion 31 cooperates with a corresponding water outlet limiting groove 215, allowing the tea strainer box 3 to be detachably mounted on the water outlet member 21. In this embodiment, three tea strainer limiting protrusions 31 are provided on the inner wall of the tea strainer box 3, and correspondingly, three water outlet limiting grooves 215 are provided on the outer wall of the water outlet member 21.

[0049] The tea strainer box 3 is provided to provide a new function for the rotary plugging device, which is convenient for the user to use the rotary plugging device to brew tea.

[0050] A water outlet limiting groove 216 is provided on the inner side wall of the water outlet countersunk hole 214 , and correspondingly, a lining limiting protrusion 223 is provided on the outer side wall of the water outlet lining 22 , and the lining limiting protrusion 223 is located in the corresponding water outlet limiting groove 216 .

[0051] A linkage limiting column 132 is provided on the outer wall of the unlocking linkage 13 , and correspondingly, a lining limiting groove 224 is provided on the inner wall of the lining counterbore 221 , and the linkage limiting column 132 is located in the corresponding lining limiting groove 224 and moves up and down along the lining limiting groove 223 .

[0052] A guide post sealing ring 231 is sleeved on the guide post member 23 . The guide post sealing ring 231 is disposed in the guide post through hole 28 of the water outlet member 21 to seal the water outlet member 21 and the guide post member 23 with each other.

[0053] The outlet liner 22 is provided with an annular end surface with a plurality of evenly spaced shift slots 225. The contact end of the contact rod 15 abuts against the shift slots 225. The contact rod 15 rotates with the knob 11 and slides along the annular end surface, giving the user a sliding feel between the various shift slots 225. The contact rod 15 also makes a sound as it slides between the various shift slots 225, providing the user with a different experience when opening and closing the water inlet 212. The outer edge of the knob seat 12 is provided with an escape groove 125 for allowing the contact rod 15 to pass through.

[0054] An external thread 217 and an external sealing ring 218 are provided on the outer side wall of the water outlet member 21 to match the inner side wall of the kettle opening.

[0055] Please also refer to Figure 10 、 Figure 11 as well as Figure 12 As shown, the present invention further discloses a kettle 4, one end of which is provided with a kettle opening, and the aforementioned rotating inner plug device is provided in the kettle opening.

[0056] The hot water kettle 4 includes a kettle body 5 and a kettle lid 6, and the kettle opening is set on the kettle body 5. A magnetic ring is set in the kettle body 5, and a magnetic attraction ring is set in the kettle lid 6. The magnetic ring is located near the kettle opening at the upper part of the kettle body 5, and the magnetic attraction ring is located at the lower part of the kettle lid 6. The magnetic ring and the magnetic attraction ring attract each other, so that the kettle body 5 and the kettle lid 6 are adsorbed and fit together, which is convenient for quickly buckling and removing the kettle lid 6.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rotary plug device, characterized in that: The invention comprises a rotating assembly and a rotating seat assembly, wherein the rotating assembly comprises a knob, a knob seat connected to the knob, and an unlocking linkage member, wherein the unlocking linkage member is movably mounted in a groove at the bottom of the knob seat, a push block is provided on the inner side wall of the groove at the bottom of the knob seat, and a lifting inclined surface cooperating with the push block is provided on the upper end of the unlocking linkage member; The rotary seat assembly includes a water outlet, a water outlet lining, a guide post, and a water inlet sealing gasket. The water outlet is provided at the top of the water outlet, the water inlet is provided at the bottom of the water outlet, guide post through holes are provided on the water outlet and the water outlet lining respectively, the guide post passes through the guide post through holes, a water outlet countersunk hole is provided in the water outlet, and a liner countersunk hole is provided in the water outlet lining. The water outlet lining is fixed in the countersunk hole of the water outlet and forms a water passage with the water outlet, and the water passage is connected with the water inlet and the water outlet respectively; the knob seat is rotatably provided in the countersunk hole of the liner; The top of the guide column is connected to the unlocking linkage, the lower end of the guide column is provided with a water inlet sealing gasket corresponding to the water inlet, and a reset compression spring is provided between the guide column and the water outlet lining; when the knob is rotated, the unlocking linkage drives the guide column and the water inlet sealing gasket to move up and down to control the opening or closing of the water inlet.

2. A rotary plugging device according to claim 1, characterized in that: The rotating assembly also includes a guide rod member, which includes a guide rod and a guide rod head fixed at one end of the guide rod, the guide rod head is located in the knob, and the guide rod passes through the knob, the knob seat, the unlocking linkage member, the guide column member and the water inlet sealing gasket in sequence and extends to the outside of the water inlet sealing gasket; the unlocking linkage member and the guide column member move up and down along the guide rod at the same time.

3. A rotary plugging device according to claim 1, characterized in that: A button seat hole is provided on the knob, and a contact rod and a compression spring are provided in the button seat hole. The upper part of the compression spring is attached to the bottom surface of the knob hole, and the lower part of the compression spring is connected to the contact rod; one end of the contact rod is a contact end and the contact end protrudes out of the button seat hole; an annular end face is provided on the water outlet lining, and a plurality of evenly arranged gear grooves are provided on the annular end face, the contact end of the contact rod abuts against the gear groove, and the contact rod rotates with the knob and slides along the annular end face.

4. A rotary plugging device according to claim 1, characterized in that: The rotary seat assembly also includes a guide post positioning piece and an inner lining sealing ring. The guide post positioning piece is sleeved on the upper part of the guide post piece, and the upper end of the reset compression spring is connected to the guide post positioning piece on the guide post piece. The water inlet sealing gasket is arranged at the lower end of the guide column and located at the lower part of the water inlet; the liner sealing ring is arranged at the lower end of the water outlet liner, and is used to seal the lower end surface of the water outlet liner with the bottom surface of the water outlet sink hole of the water outlet; A raised lining buckle position is provided on the inner side wall of the lining countersunk hole, and a button seat buckle groove is provided on the outer side wall of the knob seat. The lining buckle position is buckled in the button seat buckle groove of the knob seat.

5. A rotary plugging device according to claim 1, characterized in that: An inner lining is provided in the knob, which includes an inner lining body and a column. The column passes through the knob and the knob seat at the same time. A buckle body is provided on the column, and a buckle is connected to the column. The buckle is buckled and connected to the column. The buckle presses against one end of the unlocking linkage and limits it axially.

6. A rotary plugging device according to claim 1, characterized in that: A water outlet limiting groove is provided on the inner side wall of the water outlet countersunk hole, and correspondingly, a lining limiting protrusion is provided on the outer side wall of the water outlet lining, and the lining limiting protrusion is located in the corresponding water outlet limiting groove.

7. A rotary plugging device according to claim 1, characterized in that: A guide post sealing ring is sleeved on the guide post member, and the guide post sealing ring is arranged in the guide post through hole of the water outlet member to seal the water outlet member and the guide post member.

8. The rotary plugging device according to claim 1, characterized in that: A linkage limiting column is provided on the outer side wall of the unlocking linkage, and a lining limiting groove corresponding to the linkage limiting column is provided on the inner side wall of the lining countersunk hole. The linkage limiting column is located in the corresponding lining limiting groove and moves up and down along the lining limiting groove.

9. The rotary plugging device according to claim 1, characterized in that: It also includes a tea strainer box, on the inner wall of which a plurality of tea strainer limiting protrusions are arranged, and on the outer wall of the water outlet part a plurality of water outlet limiting grooves are arranged, and the opening of each water outlet limiting groove is arranged on the bottom surface of the water outlet part, and each tea strainer limiting protrusion is respectively matched with the corresponding water outlet limiting groove, so that the tea strainer box can be detachably installed on the water outlet part.

10. The rotary plugging device according to claim 1, characterized in that: A positioning groove is provided at the high end of the lifting slope; when the push block slides to the high end of the lifting slope, the lower end of the push block is locked in the positioning groove so that the push block stays stably at the high end of the lifting slope.

11. The rotary plugging device according to claim 1, characterized in that: A temperature sensor is provided in the guide rod, a temperature indicating module is provided on the upper surface of the guide rod head, and the temperature sensor is connected to the temperature indicating module.

12. A kettle, wherein one end of the kettle is provided with a kettle opening, characterized in that: A rotating plugging device according to any one of claims 1 to 11 is arranged in the opening of the kettle.

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