CN112545329B

CN112545329B - Lid and health preserving kettle

Info

Publication number: CN112545329B
Application number: CN201910854101.8A
Authority: CN
Inventors: 南春来; 罗金柳生
Original assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2022-07-29
Anticipated expiration: 2039-09-10
Also published as: CN112545329A

Abstract

The invention relates to the technical field of covers and discloses a cover and a health preserving pot. The cover comprises a bottom cover, an upper cover and a motor support, wherein the upper cover can be in sealing fit with the bottom cover so that a first cavity is formed between the bottom cover and the upper cover, the motor support is arranged in the first cavity, the motor support and the upper cover can be in sealing fit so that a motor accommodating cavity is formed between the motor support and the upper cover, and the first cavity is isolated from the motor accommodating cavity. Can avoid moist steam to enter into the motor and hold the intracavity like this to reduce the temperature rise that the motor that is used for setting up the motor holds the intracavity, and promote the motor and hold the aridity of intracavity, make the reliability that sets up the motor that holds the intracavity at the motor obtain showing and promote.

Description

Lid and health preserving kettle

Technical Field

The invention relates to the technical field of covers, in particular to a cover and a health preserving pot.

Background

Along with the promotion of life quality, people pay more and more attention to health preservation, and along with the deepening of health preservation and health care concept, the electric heating health preservation pot capable of cooking nutritional food and soup just has just walked into thousands of households.

When present some health preserving kettles are boiling health preserving soup, because the soup base is put into the kettle and is boiled for a long time, some food materials in the soup base are boiled thoroughly easily, some food materials are easy to precipitate, thereby the health preserving kettle is burnt, and some food materials are boiled and are easy to generate foam, thereby overflowing is caused, the problems can cause the boiled soup to fail to reach the expected taste, the health preserving kettle is easy to sinter and burn, the appetite of a user is increased, the problem of yellow burning at the bottom of the health preserving kettle is improved, and some health preserving kettles with stirring function are appeared.

In some present health preserving kettles that have stirring function, the pot lid of health preserving kettle includes upper cover and bottom, is formed with the cavity between upper cover and the bottom, and the motor then sets up in this cavity, and simultaneously, the output shaft of motor stretches out and is provided with the internal stirring structure that is located the kettle from the bottom, like this, can drive the stirring structure and rotate in the health preserving kettle during the motor operation to drive the rotation of the interior soup base of health preserving kettle, avoid eating the material sediment to bond in health preserving kettle bottom.

However, because the forming error and the assembly error of upper cover and bottom cover, inevitably there is the assembly gap between upper cover and bottom cover, the health preserving kettle is in-service use, and the steam that the stock produced in the kettle can enter into above-mentioned cavity through this assembly gap to make the temperature rise in the cavity, this will accelerate the temperature rise of motor operation, simultaneously, the humidity of steam also can wrap up and influence the motor, thereby reduced the reliability of motor operation. With long-term use, the use pleasure of the user of the health preserving pot may be reduced.

Disclosure of Invention

The invention aims to provide a cover, which can prevent moist hot air from entering a motor accommodating cavity in actual use so as to reduce the temperature rise in the motor accommodating cavity for arranging a motor and improve the dryness in the motor accommodating cavity, so that the reliability of the motor arranged in the motor accommodating cavity is obviously improved.

In order to achieve the above object, the present invention provides a cover, which includes a bottom cover, an upper cover, and a motor bracket, wherein the upper cover can be hermetically fitted on the bottom cover such that a first cavity is formed between the bottom cover and the upper cover, the motor bracket is disposed in the first cavity, and the motor bracket and the upper cover can be hermetically fitted such that a motor accommodating cavity is formed between the motor bracket and the upper cover, wherein the first cavity is isolated from the motor accommodating cavity.

Through the technical scheme, because form first chamber between bottom and the upper cover, the motor support then is located first intracavity and the upper cover between form the motor and hold the chamber, and the motor holds the chamber and then keeps apart with first chamber, in practical use, the motor can set up and holds the intracavity at the motor, thus, for example, a small amount of moist steam even if enter into first intracavity through the assembly gap between bottom and the upper cover, this moment, because the sealed fit between motor support and the upper cover, and the isolation that first chamber and motor held the chamber, the moist steam that enters into first intracavity can not enter into the motor and hold the intracavity, thus, moist steam just can not contact the motor that the intracavity was held to the motor, thereby reduce the temperature rise of motor, and promote the aridity of motor, make the reliability that sets up the motor that holds the intracavity at the motor obtain showing and promote.

Furthermore, the motor support and the upper cover are sealed through a motor support upper sealing ring, and the upper cover presses the motor support upper sealing ring on the bottom cover.

Further, the motor support includes that axially extended motor holds the cavity, the motor holds cavity one end open-ended border and radially outwards turns over a book and form the sealing washer and support the turn-ups, the turn-ups is supported in order to form spacing lateral wall to the sealing washer, the sealing washer support the turn-ups with spacing lateral wall encloses into the sealing washer holding tank, the sealing washer sets up on the motor support in the sealing washer holding tank.

Further, be formed with on the sealing washer support turn-ups and cross the gas port, be formed with on the sealing washer on the motor support and avoid cross the district of gas port, cross the gas port and be located the motor holds the chamber outside and is located first intracavity, cross the gas port with first chamber intercommunication.

Further, a motor connecting wire is integrally formed on the upper sealing ring of the motor support.

Furthermore, a gap is formed in the limiting side wall, the motor support comprises a support plate extending outwards from the gap in the radial direction, limiting plates connected with the limiting side wall are formed on two sides of the support plate, and a clamping groove is formed between the support plate and the limiting side wall on two sides; wherein, motor support upper seal circle is including the joint piece that radially stretches out, joint piece joint is in the joint inslot, the motor connecting wire is followed stretch out in the joint piece.

Furthermore, a plurality of limiting clamping ribs arranged at intervals in the circumferential direction are formed on the outer circumferential surface of the limiting side wall so as to form limiting clamping grooves among the limiting clamping ribs, and the upper cover comprises a plurality of limiting clamping blocks, wherein each limiting clamping block is clamped in the corresponding limiting clamping groove.

Furthermore, a plurality of sealing annular bulges which are radially arranged at intervals are formed on the surface of one side, facing the upper cover, of the upper sealing ring of the motor bracket, a press-fitting flange of the upper cover is pressed on the upper sealing ring of the motor bracket, and the limiting side wall is clamped between the limiting clamping block and the press-fitting flange.

Further, the upper cover comprises a handle installation cylinder, a motor accommodating space is formed in the inner space of the handle installation cylinder, a press-fitting flange of the handle installation cylinder is pressed on the motor support upper sealing ring, and the motor accommodating cavity and the motor accommodating space form the motor accommodating cavity together.

Furthermore, an air passing port which is positioned outside the motor accommodating cavity, positioned in the first cavity and communicated with the first cavity is formed on the motor bracket; a gas flow channel communicated with the gas passing port and extending along the axial direction of the handle installation barrel is formed in the barrel wall of the handle installation barrel, and a first axial gas groove communicated with the upper end of the gas flow channel and a second axial gas groove communicated with the motor accommodating cavity are formed on the outer peripheral surface of the handle installation barrel; the cover comprises a handle barrel, the inner peripheral surface of the handle barrel is clamped on the outer peripheral surface of the handle mounting barrel, so that the inner peripheral surface of the handle barrel covers the first axial air groove to form a first air channel and covers the second axial air groove to form a second air channel, and a first air outlet of the first air channel and a second air outlet of the second air channel are formed in barrel walls of the handle barrel, which correspond to the first axial air groove and the second axial air groove respectively, at the front end part of the handle barrel, facing the upper cover body.

In addition, the bottom cover comprises a receiving cavity, the motor support is arranged in the receiving cavity, a motor is arranged in the motor receiving cavity, and an output shaft of the motor extends out of the bottom cover in a sealed rotating mode and is provided with a stirring structure.

Furthermore, the invention also provides a health preserving pot comprising a pot body having a cooking chamber and a lid as described in any of the above, wherein the cooking chamber comprises an open mouth onto which the lid can be openably closed.

Thus, as mentioned above, the overall quality and user experience of the health preserving kettle are significantly improved.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic sectional view of a health preserving pot according to an embodiment of the present invention, wherein the sectional view of a position of a lid according to an embodiment of the present invention is shown;

FIG. 2 is a schematic cross-sectional view of another location of the cover of FIG. 1, wherein the agitation structure is not shown;

FIG. 3 is an exploded view of the cover of FIG. 1;

FIG. 4 is a schematic view of the motor bracket of FIG. 3;

FIG. 5 is a schematic view of the seal ring on the motor bracket of FIG. 3;

FIG. 6 is a schematic view of the handle barrel of FIG. 3;

FIG. 7 is a schematic structural view of the upper cover of FIG. 3;

fig. 8 is a schematic view of the structure of the first chamber vent in fig. 1 and 2.

Description of the reference numerals

1-bottom cover, 2-upper cover, 3-motor, 4-first cavity, 5-first gas outlet, 6-handle installation cylinder, 7-handle cylinder, 8-motor support, 9-motor accommodation cavity, 10-motor support upper sealing ring, 11-motor connecting line, 12-gas passing port, 13-gas flow channel, 14-second axial gas groove, 15-second gas outlet, 16-cooking cavity, 17-kettle body, 18-cover, 19-stirring structure, 20-motor accommodation cavity, 21-sealing ring support flange, 22-limit side wall, 23-notch, 24-support plate, 25-limit plate, 26-clamp groove, 27-clamp block, 28-limit clamp rib, 29-limit clamp groove, 30-a limiting clamping block, 31-a press-fitting flange, 32-a motor accommodating space, 33-a receiving cavity, 34-a sealing annular bulge and 35-a first axial air groove.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

Referring to fig. 1 and 2, the present invention provides a cover comprising a bottom cover 1, an upper cover 2 and a motor support 8, wherein the upper cover 2 can be hermetically fitted on the bottom cover 1 so as to form a first cavity 4 between the bottom cover 1 and the upper cover 2, the motor support 8 is disposed in the first cavity 4, the motor support 8 and the upper cover 2 can be hermetically fitted so as to form a motor accommodating cavity 9 between the motor support 8 and the upper cover 2, wherein the first cavity 4 is isolated from the motor accommodating cavity 9, that is, the motor accommodating cavity 9 is located in the first cavity 4, and the motor accommodating cavity 9 is not communicated with the first cavity 4.

In the technical scheme, as the first cavity 4 is formed between the bottom cover 1 and the upper cover 2, the motor bracket 8 is positioned in the first cavity 4 and forms the motor accommodating cavity 9 with the upper cover 2, and the motor accommodating cavity 9 is isolated from the first cavity 4, in practical use, the motor 3 may be disposed in the motor accommodating chamber 9 so that, for example, a small amount of moist hot air enters the first chamber 4 even through the fitting gap between the lower cap 1 and the upper cap 2, and at this time, due to the sealing fit between the motor bracket 8 and the upper cover 2 and the isolation between the first cavity 4 and the motor accommodating cavity 9, moist hot air entering the first cavity 4 cannot enter the motor accommodating cavity 9, so that the moist hot air cannot contact the motor 3 in the motor accommodating cavity 9, thereby reduce the temperature rise of motor 3 to promote motor 3's aridity, make the reliability of setting up motor 3 in motor holds chamber 9 obtain showing and promote.

The sealing engagement between the upper cover 2 and the lower cover 1, and the sealing engagement between the motor bracket 8 and the upper cover 2 may be achieved in various ways, for example, the sealing may be assembled by a sealing ring, such as the sealing ring shown in fig. 3, or a bent sealing structure formed by a labyrinth structure between the two, such as clamping grooves clamped in mutual butt joint on the two, or a sealing glue disposed between the two.

For example, as shown in fig. 1, 2 and 3, in one embodiment, the motor bracket 8 and the upper cover 2 are sealed by a motor bracket upper seal ring 10. In a further embodiment, the motor connecting line 11 is integrally formed on the upper sealing ring 10 of the motor bracket, for example, the motor connecting line 11 may be integrally formed in the upper sealing ring 10 of the motor bracket by injection molding to improve the sealing performance of the motor accommodating cavity 9, and the motor connecting line 11 may be led out from the upper sealing ring 10 of the motor bracket and then extended into the first cavity 4, so that the isolation sealing performance between the first cavity 4 and the motor accommodating cavity 9 may be improved. The motor bracket upper seal ring 10 may be press-fitted between the motor bracket 8 and the upper cover 2, or the motor bracket upper seal ring 10 may be connected to the upper cover 2 and the motor bracket 8 by a connecting member such as a screw. In addition, the motor bracket 8 can be clamped or connected to the bottom cover 1 by a connecting member such as a screw, or, in another embodiment, as shown in fig. 1 and fig. 2, the upper cover 2 is connected to the bottom cover 1 by pressing the motor bracket upper sealing ring 10, that is, the upper cover 2 can be connected to the upper cover 2 by passing a bolt through the motor bracket 8 and the motor bracket upper sealing ring 10, and then the upper cover 2 is connected to the bottom cover 1 in a sealing manner, at this time, the motor bracket 8 is pressed on the bottom cover 1 by the upper cover. Further, as shown in fig. 2, the lower surface of the motor support 8 is press-fitted to the bottom cover 1 through a seal positioning sleeve disposed at the opening of the bottom cover 1, so that the output shaft of the motor 3 disposed in the motor accommodating chamber 9 can pass through the seal positioning sleeve, and of course, the output shaft is in seal rotation fit with the seal positioning sleeve and the seal ring in the motor support 8.

Of course, the motor support 8 can have various structural forms, and the motor support 8 only needs to be capable of being in sealing fit with the upper cover 2 to form the motor accommodating cavity 9 for accommodating the motor 3 therebetween, for example, as shown in fig. 3, 4 and 5, in an embodiment, the motor support 8 includes a motor accommodating cavity 20 extending axially, an edge of an opening at one end of the motor accommodating cavity 20 (for example, an upper end opening of the graphical interface of fig. 4) is radially outwardly turned to form a sealing ring supporting flange 21, an outer edge of the sealing ring supporting flange 21 is axially turned (for example, upwardly turned) to form a limiting side wall 22, the sealing ring supporting flange 21 and the limiting side wall 22 enclose a sealing ring accommodating groove, and the sealing ring 10 on the motor support is disposed in the sealing ring accommodating groove. Thus, through the limiting side wall 22, the upper sealing ring 10 of the motor support can be stably and reliably arranged on the sealing ring supporting flange 21 and positioned in the sealing ring accommodating groove.

Further, be formed with on the sealing washer supports turn-ups 21 and cross gas port 12, be formed with the district of avoiding passing gas port 12 on the motor support sealing washer 10, cross gas port 12 and be located the motor and hold chamber 9 outside and be located first chamber 4, cross gas port 12 and first chamber 4 intercommunication, like this, can make full use of sealing washer supports turn-ups 21's self structure and form and cross gas port 12 for first chamber 4 is through passing gas port 12 and the gas flow channel 13 intercommunication of upper cover 2.

Further, in order to facilitate connection of the motor, the motor connecting line 11 is integrally formed on the motor support upper sealing ring 10, for example, the motor connecting line 11 can be integrally formed in the motor support upper sealing ring 10 by injection molding so as to improve the sealing performance of the motor accommodating cavity 9, and the motor connecting line 11 can be led out from the motor support upper sealing ring 10 and then extend into the first cavity 4, so that the isolation sealing performance between the first cavity 4 and the motor accommodating cavity 9 can be improved.

In addition, a gap 23 is formed on the limiting side wall 22, the motor support 8 comprises a support plate 24 which extends out from the gap 23 in the radial direction, limiting plates 25 connected with the limiting side wall 22 are formed on two sides of the support plate 24, and a clamping groove 26 is formed between the support plate 24 and the limiting side walls 22 on the two sides; wherein, the upper sealing ring 10 of the motor bracket comprises a clamping block 27 which radially extends out, the clamping block 27 is clamped in the clamping groove 26, and the motor connecting wire 11 extends out of the clamping block 27. Thus, through the limiting side wall 22, the upper sealing ring 10 of the motor support can be stably and reliably arranged on the sealing ring supporting flange 21 and positioned in the sealing ring accommodating groove. After the upper cover is pressed on the upper sealing ring 10 of the motor support, the sealing isolation performance of the motor accommodating cavity 9 and the first cavity 4 can be ensured, and the leading-out of the motor connecting wire 11 of the motor 3 can be facilitated.

In addition, as shown in fig. 2 and 4, a plurality of limiting clamping ribs 28 are formed on the outer circumferential surface of the limiting side wall 22 at intervals in the circumferential direction to form limiting clamping grooves 29 between the limiting clamping ribs 28, and the upper cover 2 comprises a plurality of limiting clamping blocks 30, wherein after the upper cover 2 and the motor bracket 8 are assembled, each limiting clamping block 30 is clamped in the corresponding limiting clamping groove 29, so that the structure can prevent the motor bracket 8 from rotating and moving transversely when the motor 3 operates, thereby improving the assembling stability between the upper cover 2 and the motor bracket 8 and providing a stable foundation for the operation of the motor 3.

Further, as shown in fig. 2, 3 and 5, in an embodiment, a plurality of sealing annular protrusions 34 are formed on a side surface of the upper sealing ring 10 of the motor bracket facing the upper cover 2, and the press-fitting flange 31 of the upper cover 2 is press-fitted on the upper sealing ring 10 of the motor bracket, so that the lower surface of the press-fitting flange 31 compresses the sealing annular protrusions 34 to deform the sealing annular protrusions 34, thereby improving the sealing reliability, and at the same time, as shown in fig. 2, the limit side wall 22 is clamped between the limit fixture 30 and the press-fitting flange 31, so that the reliability of the sealing assembly of the motor bracket 8 and the upper cover 2 can be further improved by the bidirectional positioning of the limit fixture 30 and the press-fitting flange 31.

Of course, the upper cover 2 can have various structural forms as long as it can be hermetically matched with the bottom cover 1 and the motor support 8 to form the first cavity 4 and the motor accommodating cavity 9, for example, as shown in fig. 1-3 and fig. 7, in one embodiment, the upper cover 2 includes a handle mounting cylinder 6, an inner space of the handle mounting cylinder 6 forms a motor accommodating space 32, wherein the press-fitting flange 31 of the handle mounting cylinder 6 is press-fitted on the motor support upper sealing ring 10, and the motor accommodating cavity 20 and the motor accommodating space 32 together form the motor accommodating cavity 9. In this way, one part of the motor 3 is located in the motor accommodating cavity 20, the other part is located in the motor accommodating space 32, and meanwhile, the handle mounting cylinder 6 can facilitate mounting of the handle cylinder 7, so that the internal space of the handle mounting cylinder 6 can be effectively utilized to accommodate the motor 3 and motor-related components such as the motor connecting wire 11 of the motor 3.

Further, as shown in fig. 3, 4, 5 and 8, the motor bracket 8 is formed with an air vent 12 located outside the motor accommodating chamber 9 and inside the first chamber 4 and communicating with the first chamber 4; for example, the upper sealing ring 10 of the motor bracket is formed with a clearance area avoiding the air passing port 12, the inner part of the cylinder wall of the handle mounting cylinder 6 is formed with an air flow channel 13 communicated with the air passing port 12 and extending along the axial direction of the handle mounting cylinder, so that after the upper cover 2 and the motor bracket 8 are assembled, the air flow channel 13 is communicated with the first cavity 4 through the air passing port 12, and the outer peripheral surface of the handle mounting cylinder 6 is formed with a first axial air groove 35 communicated with the upper end of the air flow channel 13 and a second axial air groove 14 communicated with the motor accommodating cavity 9, as shown in fig. 7; the cover comprises a handle cylinder 7, the inner circumferential surface of the handle cylinder 7 is clamped on the outer circumferential surface of the handle installation cylinder 6, so that the inner peripheral surface of the handle barrel 7 covers the first axial air groove to form a first air passage and covers the second axial air groove to form a second air passage, wherein, at the front end part of the handle barrel 7 facing the cover body of the upper cover 2, a first gas outlet 5 of the first gas channel and a second gas outlet 15 of the second gas channel are formed on the barrel wall of the handle barrel 7 corresponding to the first axial gas groove and the second axial gas groove 14, respectively, as shown in fig. 7 and 6, so that, as shown by the arrows in fig. 8, even if a small amount of hot gas enters the first chamber 4, the hot gas will flow upward from the gas passing port 12 into the gas flow path 13 as indicated by the arrows, then flows down at the upper end of the needle into the first gas channel and is then discharged from the first gas outlet 5. In addition, the heat generated by the motor operation in the motor accommodating cavity 9 enters the second gas channel and is discharged from the second gas outlet 15, so that the overhigh temperature rise of the motor 3 is avoided.

Of course, the gas flow channel 13 may be directly formed inside the wall of the handle mounting cylinder 6, or a part of the outer wall of the handle mounting cylinder 6 may be recessed inwards, and then the recessed outer wall portion is connected to an arc having a concave surface (first axial gas groove) facing outwards, and the upper end of the arc is lower than the upper end of the outer wall to form a gas gap, so that the arc and the recessed outer wall portion together form the wall of the handle mounting cylinder 6. In addition, in order to avoid the sealing ring 10 on the motor bracket and make the structure more adaptive, as shown in fig. 8, the bottom end of the gas flow passage 13 may include a variable diameter hole section.

In addition, as shown in fig. 1, 2 and 3, the bottom cover 1 includes a receiving cavity 33, the motor bracket 8 is disposed in the receiving cavity 33, the motor 3 is disposed in the motor receiving cavity 9, and an output shaft of the motor 3 protrudes from the bottom cover 1 in a sealed rotation manner and is provided with the stirring structure 19.

Finally, the present invention provides a health preserving pot comprising a pot body 17 having a cooking chamber 16 and a lid 18 as described in any of the above, wherein the cooking chamber 16 comprises an open mouth over which the lid 18 can be openably closed, as shown in fig. 1. Thus, as mentioned above, the overall quality and user experience of the health preserving kettle are significantly improved.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A lid, characterized in that the lid comprises a bottom lid (1), an upper lid (2) and a motor support (8), wherein the upper lid (2) can be sealingly fitted on the bottom lid (1) such that a first cavity (4) is formed between the bottom lid (1) and the upper lid (2), the motor support (8) is arranged in the first cavity (4), and the motor support (8) and the upper lid (2) can be sealingly fitted such that a motor accommodating cavity (9) is formed between the motor support (8) and the upper lid (2), wherein the first cavity (4) is isolated from the motor accommodating cavity (9);

The motor support (8) and the upper cover (2) are sealed through a motor support upper sealing ring (10), and the upper cover (2) is used for pressing the motor support (8) on the bottom cover (1) through pressing the motor support upper sealing ring (10);

the motor support (8) comprises a motor accommodating cavity (20) extending axially, the edge of an opening at one end of the motor accommodating cavity (20) is turned outwards in the radial direction to form a sealing ring supporting flange (21), the outer edge of the sealing ring supporting flange (21) is turned upwards in the axial direction to form a limiting side wall (22), the sealing ring supporting flange (21) and the limiting side wall (22) enclose a sealing ring accommodating groove, and a sealing ring (10) on the motor support is arranged in the sealing ring accommodating groove;

be formed with on sealing washer support turn-ups (21) and cross gas port (12), be formed with on motor support upper seal circle (10) and avoid cross the district of avoiding of gas port (12), cross gas port (12) and be located the motor holds chamber (9) outside and is located in first chamber (4), cross gas port (12) with first chamber (4) intercommunication.

2. Lid as in claim 1, characterized in that the motor support upper seal (10) is integrated with a motor connection wire (11).

3. The cover according to claim 2, wherein a notch (23) is formed on the position-limiting side wall (22), the motor bracket (8) comprises a support plate (24) extending radially outward from the notch (23), a position-limiting plate (25) connected with the position-limiting side wall (22) is formed on both sides of the support plate (24), and the support plate (24) and the position-limiting side wall (22) on both sides form a snap groove (26);

Wherein, motor support upper seal circle (10) is including radially stretching out joint piece (27), joint piece (27) joint is in joint groove (26), motor connecting wire (11) are followed stretch out in joint piece (27).

4. The lid as claimed in claim 1, wherein a plurality of circumferentially spaced retaining ribs (28) are formed on the outer peripheral surface of the retaining side wall (22) to form retaining notches (29) between the retaining ribs (28), and the upper lid (2) comprises a plurality of retaining blocks (30), wherein each retaining block (30) is clamped in the corresponding retaining notch (29).

5. The cover according to claim 4, wherein a plurality of sealing annular protrusions (34) are formed on the surface of the side of the motor bracket upper sealing ring (10) facing the upper cover (2), the press-fitting flange (31) of the upper cover (2) is press-fitted on the motor bracket upper sealing ring (10), and the limit sidewall (22) is clamped between the limit fixture block (30) and the press-fitting flange (31).

6. The cover according to claim 1, wherein the upper cover (2) comprises a handle mounting cylinder (6), the inner space of the handle mounting cylinder (6) forms a motor accommodating space (32), wherein the press-fitting flange (31) of the handle mounting cylinder (6) is press-fitted on the motor bracket upper sealing ring (10), and the motor accommodating cavity (20) and the motor accommodating space (32) together form the motor accommodating cavity (9).

7. The cover according to claim 6, characterized in that the motor bracket (8) is formed with a vent (12) located outside the motor accommodating chamber (9) and inside the first chamber (4) and communicating with the first chamber (4);

a gas flow channel (13) which is communicated with the air passing port (12) and extends along the axial direction of the handle installation cylinder is formed in the cylinder wall of the handle installation cylinder (6), and a first axial gas groove (35) which is communicated with the upper end of the gas flow channel (13) and a second axial gas groove (14) which is communicated with the motor accommodating cavity (9) are formed on the outer peripheral surface of the handle installation cylinder (6);

the cover comprises a handle barrel (7), the inner circumferential surface of the handle barrel (7) is clamped on the outer circumferential surface of the handle installation barrel (6), so that the inner circumferential surface of the handle barrel (7) covers the first axial air groove (35) to form a first air channel and covers the second axial air groove (14) to form a second air channel, wherein at the front end part of the handle barrel (7) facing the cover body of the upper cover (2), a first air outlet (5) of the first air channel and a second air outlet (15) of the second air channel are formed on barrel walls of the handle barrel (7) corresponding to the first axial air groove (35) and the second axial air groove (14) respectively.

8. The lid as claimed in claim 1, wherein the bottom lid (1) comprises a receiving cavity (33), the motor bracket (8) is arranged in the receiving cavity (33), the motor receiving cavity (9) is internally provided with a motor (3), an output shaft of the motor (3) hermetically and rotatably extends out of the bottom lid (1) and is provided with a stirring structure (19).

9. A health preserving kettle, comprising a kettle body (17) having a cooking chamber (16) and a lid (18) according to any one of claims 1-8, wherein,

the cooking chamber (16) comprises an open mouth, on which the lid (18) can be openably closed.