CN218870027U - Liquid heating container - Google Patents

Abstract

The application relates to a liquid heating container, which comprises a kettle body, wherein the liquid heating container comprises a rotating shaft and a stirring device, and the rotating shaft is arranged at the bottom of the kettle body; the stirring device comprises a shell, a transmission shaft and a stirring piece, wherein the transmission shaft and the stirring piece are arranged on the shell, and the transmission shaft is connected with the rotating shaft so that the stirring device can rotate under the driving of the rotating shaft; wherein, the transmission shaft includes drive gear, and the stirring piece includes driven gear, and drive gear meshes with driven gear mutually to make stirring piece rotate for the casing. Agitating unit in this application, through setting transmission shaft and stirring piece to gear drive's structure, can carry out the multi-angle to the liquid in the kettle body and eat the material and diversely stir, avoid liquid or eat the material uneven of being heated, improved agitating unit's stirring homogeneity.

Description

Liquid heating container

Technical Field

The application relates to the field of household appliances, in particular to a liquid heating container.

Background

Among the prior art, in order to improve liquid heating container's practicality, can set up agitating unit and pivot in liquid heating container's kettle body usually, agitating unit can be under the drive of pivot, and the liquid of splendid attire makes it be heated evenly in the stirring kettle body. However, the existing stirring device has the problem of uneven stirring.

SUMMERY OF THE UTILITY MODEL

The application provides a liquid heating container can solve agitating unit inhomogeneous problem among the prior art.

The application provides a liquid heating container, including the kettle body, liquid heating container includes:

the rotating shaft is arranged at the bottom of the kettle body;

the stirring device comprises a shell, a transmission shaft and a stirring piece, wherein the transmission shaft and the stirring piece are arranged on the shell, and the transmission shaft is connected to the rotating shaft so as to enable the stirring device to rotate under the driving of the rotating shaft;

wherein, the transmission shaft includes drive gear, stirring piece includes driven gear, drive gear with driven gear meshes mutually, so that stirring piece rotates for the casing.

In the above-mentioned scheme, when the pivot rotates, can drive the synchronous rotation of transmission shaft, at this moment, the transmission shaft can drive agitating unit wholly to rotate along with the pivot, at this in-process, stirring piece is equivalent to agitating unit's stirring leaf, with the realization to kettle body interior liquid or the stirring of edible material, and simultaneously, the transmission shaft can also be through drive gear and driven gear with power transmission for stirring piece, make stirring piece produce the rotation for the casing, thereby realize agitating unit's secondary stirring, make the liquid in the kettle body and eat the material and can obtain all-round stirring, ensure that the liquid in the kettle body and eat the material and be heated more evenly, also can make the distribution of eating the material in the kettle body more even, avoid the bottom of deposit at the kettle body.

This application is through setting transmission shaft and stirring piece to gear drive's structure, can carry out the stirring of multi-angle diversely to the liquid in the kettle body and edible material, avoids liquid or edible material to be heated inequality, has improved agitating unit's stirring homogeneity.

In one possible design, the stirring piece further comprises a transfer shaft, and the driven gear is fixedly connected with the transfer shaft; the shell is provided with a mounting hole, and the transfer shaft penetrates through the mounting hole and can rotate in the mounting hole.

In the above scheme, when the pivot rotated, the transmission shaft can transmit to the transfer shaft through driving gear and driven gear for the transfer shaft can rotate in the mounting hole, thereby makes the stirring piece wholly rotate for the casing, realizes agitating unit's secondary stirring.

In a possible design, the stirring device further includes a first bearing, the first bearing is mounted in the mounting hole, and the first bearing is sleeved on the split shaft.

In the above scheme, the first bearing is used for connecting the split shaft and the mounting hole, so that the friction force between the split shaft and the mounting hole can be reduced, and the stability of the split shaft in the rotating process is ensured.

In one possible design, the stirring element further comprises a blade, and the blade is detachably connected with the transfer shaft.

In the above scheme, the blade is installed in the one end that the split axis kept away from driven gear, can increase the area of contact of stirring and the liquid in the kettle body and edible material. When the branch axle rotates in the mounting hole, can drive the synchronous rotation of blade, realize the secondary stirring to liquid and edible material. Because the blade can be dismantled with the transfer shaft and be connected, when the back that finishes using, can pull down the blade from agitating unit and wash, improved agitating unit's clean convenience.

In a possible design, the transmission shaft is provided with a first step portion, the stirring device further comprises a first fixing member, the first fixing member is mounted on the first step portion, the first fixing member is provided with an inclined surface, and the inclined surface is abutted to the top end of the driven gear.

In the above scheme, the position that first mounting is close to driven gear is provided with the inclined plane, and when first mounting was installed on first step portion, the inclined plane can form spacingly with driven gear's top looks butt, and simultaneously, first mounting and first bearing mutually support, have restricted driven gear along the ascending motion in the axial of stirring.

In one possible design, the housing includes an upper cover and a main body connected, and the mounting hole is located in the main body; the upper cover is provided with a central groove, the transmission shaft is further provided with a second step portion, the stirring device further comprises a second bearing, the second bearing is installed on the second step portion, and the second bearing is located in the central groove.

In the above scheme, the inner wall of center slot and the common centre gripping second bearing of lateral wall of second step portion, the second bearing can be used for connecting transmission shaft and upper cover, and the interior outer lane rotational speed of second bearing equals, when the transmission shaft rotates, can drive the synchronous rotation of upper cover through the second bearing to realize the holistic rotation of agitating unit.

In one possible design, the housing further includes a bottom cover, the bottom cover being connected to the main body; the bottom is provided with third step portion, the transmission shaft is provided with the installation department, agitating unit still includes the third bearing, the third bearing install in third step portion, just the third bearing cup joint in the installation department.

In the above scheme, the lateral wall of third step portion and the common centre gripping third bearing of outer wall of installation department, the third bearing can be used for connecting transmission shaft and lower cover, and the rotational speed of outer lane equals in the third bearing, and when the transmission shaft rotated, can drive the synchronous rotation of lower cover through the third bearing to realize the holistic rotation of agitating unit. The third bearing cooperates with the second bearing jointly, has ensured that the transmission shaft can drive the synchronous rotation of casing to realize agitating unit holistic rotation, improved agitating unit's rotational stability.

In a possible design, the installation department is provided with spacing muscle, spacing muscle is followed the radial orientation of installation department is kept away from the direction at installation department center is protruding, spacing muscle is used for the restriction the third bearing is followed the axial motion of transmission shaft.

In the above scheme, spacing muscle is used for with the up end looks butt of third bearing, spacing muscle can cooperate jointly with third step portion, has restricted the ascending motion of third bearing along the axial of transmission shaft.

In one possible design, the blade is located above the mounting portion in the height direction of the kettle body.

In the above-mentioned scheme, the position of blade is higher, can contact the liquid and the edible material that lie in kettle body top, compares in prior art, and the high structure such as blade and installation department, agitating unit in this scheme can improve agitating unit's stirring homogeneity for liquid in the kettle body and edible material are heated more evenly.

In a possible design, the stirring device further comprises an anti-dropping part, the anti-dropping part is sleeved on the rotating shaft, and the anti-dropping part is used for limiting the installation part relative to the rotating shaft along the axial movement of the rotating shaft.

In the above-mentioned scheme, when the installation department has the removal trend along the axial of pivot (for example the user pours water and leads to the whole slope that takes place of kettle body, or the installation department breaks away from the pivot gradually under the effect of centrifugal force), anticreep spare can be extruded by installation department and pivot, produces the resistance that hinders the installation department along the axial motion of pivot to the axial relative motion of restriction installation department along the pivot. Can improve the stability of being connected of pivot and transmission shaft, reduce in the use of liquid heating container, the risk that agitating unit drops from the pivot.

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

FIG. 1 is a schematic diagram of a liquid heating vessel as provided herein;

FIG. 2 is a schematic cross-sectional view of the liquid heating vessel of FIG. 1;

FIG. 3 is a schematic view of the stirring apparatus;

FIG. 4 is a schematic view of the stirring device shown in FIG. 3 with the upper cover removed;

FIG. 5 is a schematic cross-sectional view of FIG. 3;

FIG. 6 is a schematic cross-sectional view of the housing of FIG. 5;

FIG. 7 is a schematic sectional view of the propeller shaft of FIG. 5;

FIG. 8 is an enlarged view of portion A of FIG. 2;

fig. 9 is a schematic structural view of the stirring device in fig. 3 in another view angle.

Reference numerals:

1-a kettle body;

2-a rotating shaft;

21-a second plane;

3-a stirring device;

31-a housing;

311-upper cover;

311 a-central slot;

312-a body;

312 a-mounting holes;

313-a bottom cover;

313 a-third step;

313 b-a third bearing;

313 c-a fourth seal ring;

314-a fastener;

315-second sealing ring;

316-a third seal ring;

32-a drive shaft;

321-a drive gear;

322-a first step;

323-a first fixture;

323 a-inclined plane;

324-a second step;

325-a second bearing;

326-a mounting portion;

326 a-limit rib;

326 b-a stop;

327-a first plane;

33-a stirring member;

331-driven gear;

332-a split shaft;

333-a first bearing;

334-blades;

335-a first sealing ring;

34-a release prevention member;

4-a base.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. 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 application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely a relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element through intervening elements.

As shown in fig. 1, an embodiment of the present application provides a liquid heating container, which includes a kettle body 1 and a base 4, wherein the kettle body 1 is used for containing liquid, such as water, scented tea, health preserving porridge or medicated soup, and the base 4 is electrically connected to the kettle body 1 and is used for supplying power to the kettle body 1 to heat the liquid in the kettle body 1.

As shown in fig. 2, the liquid heating container further comprises a rotating shaft 2 and a stirring device 3, the rotating shaft 2 is arranged at the bottom of the kettle body 1, the stirring device 3 comprises a housing 31, a transmission shaft 32 and a stirring member 33, the transmission shaft 32 and the stirring member 33 are mounted on the housing 31, the transmission shaft 32 is connected to the rotating shaft 2, so that the stirring device 3 rotates under the driving of the rotating shaft 2, wherein the transmission shaft 32 comprises a driving gear 321, the stirring member 33 comprises a driven gear 331, and the driving gear 321 is meshed with the driven gear 331, so that the stirring member 33 rotates relative to the housing 31.

In this embodiment, kettle body 1 is used for splendid attire liquid, like water, scented tea or medicated diet hot water etc. pivot 2 is installed in the bottom of kettle body 1, agitating unit 3 passes through transmission shaft 32 and installs in pivot 2, when pivot 2 rotates, can drive transmission shaft 32 synchronous rotation, thereby make 3 whole rotations of agitating unit, stir the liquid in the kettle body 1 and edible material, make it be heated evenly, thereby improve the heating efficiency of liquid heating container, also can avoid edible material to glue the bottom of kettle body 1. As shown in fig. 2 and 3, a driving gear 321 is disposed at an end of the transmission shaft 32 away from the rotating shaft 2, the stirring member 33 is disposed with a driven gear 331, and the driving gear 321 is engaged with the driven gear 331, so that the transmission shaft 32 can drive the stirring member 33 to rotate synchronously, and rotation of the stirring member 33 relative to the housing 31 is realized.

Specifically, drive gear 321 and driven gear 331 are bevel gear, can change the direction of transmission, when pivot 2 rotates, can drive transmission shaft 32 synchronous rotation, at this moment, transmission shaft 32 can drive agitating unit 3 wholly along with pivot 2 rotates, at this in-process, stirring 33 is equivalent to agitating unit 3's stirring leaf, in order to realize the stirring to liquid or edible material in kettle body 1, and simultaneously, transmission shaft 32 can also transmit power for stirring 33 through drive gear 321 and driven gear 331, make stirring 33 produce for the rotation of casing 31, thereby realize agitating unit 3's secondary stirring, make liquid and edible material in kettle body 1 can obtain all-round stirring, ensure that liquid and edible material in kettle body 1 are heated more evenly, also can make the distribution of edible material in kettle body 1 more even, avoid deposiing in the bottom of kettle body 1.

Consequently, in agitating unit 3 of this embodiment, through setting transmission shaft 32 and stirring piece 33 to gear drive's structure, can carry out the stirring of multi-angle diversified to the liquid in kettle body 1 and edible material, avoid liquid or edible material to be heated inequality, improved agitating unit 3's stirring homogeneity.

As shown in fig. 4, the stirring device 3 includes two stirring members 33 respectively disposed at both sides of the transmission shaft 32, so that the stirring efficiency and the stirring uniformity of the stirring device 3 can be further improved.

In a specific embodiment, as shown in fig. 5 and 6, the stirring element 33 further includes a transfer shaft 332, the driven gear 331 is fixedly connected to the transfer shaft 332, the housing 31 is provided with a mounting hole 312a, and the transfer shaft 332 is disposed through the mounting hole 312a and can rotate in the mounting hole 312 a.

When the rotating shaft 2 rotates, the transmission shaft 32 can be transmitted to the transfer shaft 332 through the driving gear 321 and the driven gear 331, so that the transfer shaft 332 can rotate in the mounting hole 312a, and the stirring piece 33 rotates integrally relative to the housing 31, thereby realizing secondary stirring of the stirring device 3.

Specifically, as shown in fig. 5 and 6, the stirring device 3 further includes a first bearing 333, the first bearing 333 is mounted in the mounting hole 312a, and the first bearing 333 is sleeved on the rotating shaft 332.

The first bearing 333 is used to connect the differential shaft 332 and the mounting hole 312a, and can reduce the friction force between the differential shaft 332 and the mounting hole 312a, thereby ensuring the stability of the differential shaft 332 during rotation.

In addition, as shown in fig. 5, the stirring device 3 further includes a first sealing ring 335, the first sealing ring 335 is installed in the installation hole 312a and is sleeved on the transfer shaft 332, and the first sealing ring 335 is used for cooperating with the first bearing 333 and the transfer shaft 332 to form a seal, so as to prevent liquid or food material from entering the housing 31.

In one particular embodiment, as shown in FIG. 5, the mixing member 33 further includes a blade 334, the blade 334 being removably coupled to the transfer shaft 332.

The blade 334 is mounted on one end of the split shaft 332 far away from the driven gear 331, so that the contact area between the stirring piece 33 and the liquid and food materials in the kettle body 1 can be increased. When the rotating shaft 332 rotates in the mounting hole 312a, the blade 334 can be driven to rotate synchronously, so that the liquid and the food material are stirred for the second time. Because the blade 334 is detachably connected with the transfer shaft 332, after the use, the blade 334 can be detached from the stirring device 3 for cleaning, so that the cleaning convenience of the stirring device 3 is improved.

Specifically, as shown in fig. 5, the transfer shaft 332 and the blade 334 may be screwed, so that the connection reliability is high, and the detachment is also convenient.

In a specific embodiment, as shown in fig. 6 and 7, the transmission shaft 32 is provided with a first step portion 322, and the stirring device 3 further includes a first fixing member 323, the first fixing member 323 is mounted on the first step portion 322, as shown in fig. 5, the first fixing member 323 is provided with an inclined surface 323a, and the inclined surface 323a abuts against a top end of the driven gear 331.

The first fixing element 323 is provided with an inclined plane 323a at a position close to the driven gear 331, when the first fixing element 323 is mounted on the first step 322, the inclined plane 323a can abut against the top end of the driven gear 331 to limit the driven gear 331, and meanwhile, the first fixing element 323 and the first bearing 333 are matched with each other to limit the axial movement of the driven gear 331 along the stirring element 33.

In a specific embodiment, as shown in fig. 6 and 7, the housing 31 includes an upper cover 311 and a main body 312 connected together, the mounting hole 312a is located in the main body 312, the upper cover 311 is provided with a central groove 311a, the transmission shaft 32 is further provided with a second step portion 324, as shown in fig. 5, the stirring device 3 further includes a second bearing 325, the second bearing 325 is mounted on the second step portion 324, and the second bearing 325 is located in the central groove 311 a.

The inner wall of the central groove 311a and the side wall of the second stepped portion 324 jointly clamp the second bearing 325, the second bearing 325 can be used for connecting the transmission shaft 32 and the upper cover 311, the inner and outer ring rotating speeds of the second bearing 325 are equal, and when the transmission shaft 32 rotates, the upper cover 311 can be driven to synchronously rotate through the second bearing 325, so that the integral rotation of the stirring device 3 is realized.

In addition, the second bearing 325 can restrict the first fixing member 323 from moving upward in the axial direction of the transmission shaft 32.

In this embodiment, as shown in fig. 3, the upper cover 311 and the main body 312 may be detachably connected by a fastener 314. Meanwhile, as shown in fig. 4, a second seal 315 is further provided between the upper cover 311 and the body 312, so that the sealing property between the upper cover 311 and the body 312 can be improved.

In a specific embodiment, as shown in fig. 6 and 7, the casing 31 further includes a bottom cover 313, the bottom cover 313 is connected to the main body 312, the bottom cover 313 is provided with a third step portion 313a, the transmission shaft 32 is provided with a mounting portion 326, as shown in fig. 5, the stirring apparatus 3 further includes a third bearing 313b, the third bearing 313b is mounted on the third step portion 313a, and the third bearing 313b is sleeved on the mounting portion 326.

The side wall of the third step portion 313a and the outer wall of the mounting portion 326 jointly clamp the third bearing 313b, the third bearing 313b can be used for connecting the transmission shaft 32 and the lower cover 313, the rotating speeds of the inner ring and the outer ring of the third bearing 313b are equal, and when the transmission shaft 32 rotates, the lower cover 313 can be driven to synchronously rotate through the third bearing 313b, so that the integral rotation of the stirring device 3 is realized. The third bearing 313b cooperates with the second bearing 325 to ensure that the transmission shaft 32 can drive the housing 31 to rotate synchronously, so that the whole rotation of the stirring device 3 is realized, and the rotation stability of the stirring device 3 is improved.

In this embodiment, as shown in fig. 3, the lower cover 313 and the main body 312 may be detachably connected by a fastener 314. Meanwhile, as shown in fig. 4, a third seal ring 316 is further provided between the lower cover 313 and the body 312, so that the sealing property between the lower cover 313 and the body 312 can be improved.

As shown in fig. 5, the stirring device 3 further includes a fourth seal 313c, and the fourth seal 313c is fitted to the mounting portion 326 and sandwiched between the mounting portion 326 and the lower cover 313, so that the sealing property between the transmission shaft 32 and the lower cover 313 can be improved.

Specifically, as shown in fig. 5, the mounting portion 326 is provided with a limiting rib 326a, the limiting rib 326a protrudes in a direction away from the center of the mounting portion 326 in the radial direction of the mounting portion 326, and the limiting rib 326a is used for limiting the axial movement of the third bearing 313b along the transmission shaft 32.

The limiting rib 326a is used for abutting against the upper end face of the third bearing 313b, and the limiting rib 326a can be matched with the third step part 313a together, so that the movement of the third bearing 313b along the axial direction of the transmission shaft 32 is limited.

In a specific embodiment, as shown in fig. 5, the blade 334 is located above the mounting portion 326 along the height direction X of the kettle body 1.

Blade 334's position is higher, can contact the liquid and the edible material that are located kettle body 1 top, compares in prior art, and blade 334 and the high structure of installation department 326 height, agitating unit 3 in this embodiment can improve agitating unit 3's stirring homogeneity for liquid in the kettle body 1 and edible material are heated more evenly.

In a specific embodiment, as shown in fig. 8, the stirring device 3 further includes a retaining member 34, the retaining member 34 is sleeved on the rotating shaft 2, and the retaining member 34 is used for limiting the axial movement of the mounting portion 326 relative to the rotating shaft 2 along the rotating shaft 2.

When the mounting portion 326 tends to move along the axial direction of the rotating shaft 2 (for example, when a user pours water, the kettle body 1 is inclined as a whole, or the mounting portion 326 is gradually separated from the rotating shaft 2 under the action of centrifugal force), the anti-falling member 34 is pressed by the mounting portion 326 and the rotating shaft 2, and a resistance force for obstructing the axial movement of the mounting portion 326 along the rotating shaft 2 is generated, so as to limit the relative movement of the mounting portion 326 along the axial direction of the rotating shaft 2. Can improve the stability of being connected of pivot 2 and transmission shaft 32, reduce in the use of liquid heating container, agitating unit 3 is from the risk that drops on pivot 2.

As shown in fig. 8, the mounting portion 326 is further provided with a limiting portion 236b, and the limiting portion 236b can cooperate with the anti-slip member 34 to limit the relative movement of the mounting portion 326 along the axial direction of the rotating shaft 2, thereby achieving the anti-slip function. As shown in fig. 8 and 9, the rotating shaft 2 has a second plane 21, the transmission shaft 32 has a first plane 327, and the first plane 327 is matched with the second plane 21, so that relative rotation between the rotating shaft 2 and the transmission shaft 32 can be prevented, and stable transmission of power and stability of the transmission shaft 32 during rotation can be ensured.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A liquid heating vessel comprising a kettle body (1), characterized in that the liquid heating vessel comprises:

the rotating shaft (2) is arranged at the bottom of the kettle body (1);

the stirring device (3) comprises a shell (31), a transmission shaft (32) and a stirring piece (33), the transmission shaft (32) and the stirring piece (33) are installed on the shell (31), and the transmission shaft (32) is connected to the rotating shaft (2) so that the stirring device (3) can rotate under the driving of the rotating shaft (2);

wherein the transmission shaft (32) comprises a driving gear (321), the stirring piece (33) comprises a driven gear (331), and the driving gear (321) is meshed with the driven gear (331) so as to enable the stirring piece (33) to rotate relative to the shell (31).

2. A liquid heating vessel according to claim 1, wherein the stirring member (33) further comprises a split shaft (332), the driven gear (331) being fixedly connected to the split shaft (332);

the shell (31) is provided with a mounting hole (312 a), and the rotating shaft (332) penetrates through the mounting hole (312 a) and can rotate in the mounting hole (312 a).

3. A liquid heating vessel according to claim 2, wherein the stirring device (3) further comprises a first bearing (333), the first bearing (333) is mounted to the mounting hole (312 a), and the first bearing (333) is sleeved to the split shaft (332).

4. A liquid heating vessel according to claim 2, wherein the stirring member (33) further comprises a blade (334), the blade (334) being detachably connected to the dividing shaft (332).

5. A liquid heating vessel according to claim 2, wherein said drive shaft (32) is provided with a first step portion (322), said stirring means (3) further comprises a first fixing member (323), said first fixing member (323) is mounted to said first step portion (322), said first fixing member (323) is provided with an inclined surface (323 a), said inclined surface (323 a) abuts against a top end of said driven gear (331).

6. A liquid heating vessel as claimed in claim 4, wherein said housing (31) comprises an upper cover (311) and a main body (312) connected, said mounting hole (312 a) being located in said main body (312);

the upper cover (311) is provided with a central groove (311 a), the transmission shaft (32) is further provided with a second stepped portion (324), the stirring device (3) further comprises a second bearing (325), the second bearing (325) is mounted on the second stepped portion (324), and the second bearing (325) is located in the central groove (311 a).

7. A liquid heating vessel as claimed in claim 6, wherein said housing (31) further comprises a bottom cover (313), said bottom cover (313) being connected to said main body (312);

bottom lid (313) are provided with third step portion (313 a), transmission shaft (32) are provided with installation department (326), agitating unit (3) still include third bearing (313 b), third bearing (313 b) install in third step portion (313 a), just third bearing (313 b) cup joint in installation department (326).

8. A liquid heating vessel according to claim 7, wherein said mounting portion (326) is provided with a limiting rib (326 a), said limiting rib (326 a) protruding in a direction radially of said mounting portion (326) away from the centre of said mounting portion (326), said limiting rib (326 a) being adapted to limit axial movement of said third bearing (313 b) along said drive shaft (32).

9. The vessel as claimed in claim 7, wherein the blade (334) is located above the mounting portion (326) in a height direction of the vessel body (1).

10. A liquid heating vessel according to claim 7, wherein the stirring device (3) further comprises a slip-off prevention member (34), the slip-off prevention member (34) is sleeved on the rotating shaft (2), and the slip-off prevention member (34) is used for limiting the axial movement of the mounting portion (326) relative to the rotating shaft (2) along the rotating shaft (2).

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