CN219087501U - Power supply base and liquid heating container - Google Patents

Abstract

The application provides a power supply base and a liquid heating container, which comprises a shell, a circuit board, touch keys and a touch elastic piece, wherein the circuit board is arranged in the shell; the touch key is arranged on the shell, and a limit column is arranged at one end of the touch key facing the circuit board; the touch elastic piece is sleeved on the limit column, and two ends of the touch elastic piece are respectively connected with the circuit board and the touch keys; the conducting piece is sleeved on the limiting column, and two ends of the conducting piece are respectively abutted against the touch key and the touch elastic piece. The limiting column is arranged, so that lateral movement of the touch elastic piece can be limited, the touch elastic piece is prevented from being greatly deviated from the touch key, the touch elastic piece is prevented from being far away from a preset position, connection reliability between the touch elastic piece and the touch key is improved, and accordingly the touch elastic piece can conduct corresponding signals to the circuit board after a user touches the touch key, and sensitivity of the touch key is improved.

Description

Power supply base and liquid heating container

Technical Field

The application relates to the technical field of household appliances, in particular to a power supply base and a liquid heating container.

Background

The power supply base of the liquid heating container is usually provided with a plurality of keys, when a user controls different keys, corresponding functions can be correspondingly triggered, and in order to improve the control experience of the user, the power supply base is usually provided with an inductive touch key.

In the prior art, the touch keys are connected with the circuit board through the touch elastic piece, but the touch elastic piece is easy to deform or shift in the installation and use process, so that the connection between the touch keys and the circuit board is unstable, the sensitivity of the touch keys is insufficient, and the use of the liquid heating container is affected.

Disclosure of Invention

The application provides a power supply base and liquid heating container, can increase the sensitivity of touching button on the power supply base.

A first aspect of the present application provides a power base comprising:

a housing;

a circuit board mounted in the housing;

the touch key is arranged on the shell, and a limit column is arranged on one side, facing the circuit board, of the touch key;

the touch elastic piece is sleeved on the limit column, and two ends of the touch elastic piece are respectively connected with the circuit board and the touch key;

the conducting piece is sleeved on the limiting column, and two ends of the conducting piece are respectively abutted to the touch key and the touch elastic piece.

In the scheme, the two ends of the conducting plate are respectively abutted against the touch key and the touch elastic piece, so that the connection area between the touch key and the touch elastic piece can be increased, and the sensitivity of the touch key is improved. Specifically, the side of touch button towards the circuit board is provided with spacing post, switches on piece and touch elastic component and all cup joints in spacing post. The touch elastic piece is not fixedly connected with the touch keys, and the touch elastic piece is easy to deform and shift in the use process, so that the touch elastic piece is not stable enough to be connected with the touch keys, and the sensitivity of the touch keys is reduced. Therefore, the limiting column is arranged, the lateral movement of the touch elastic piece can be limited, and the touch elastic piece is prevented from being greatly deviated relative to the touch key, so that stable contact between the touch elastic piece and the touch key is ensured, the reliability of the device is improved, and the sensitivity of the touch key is further improved.

In this embodiment, through setting up spacing post, can carry out spacingly to touch elastic component, avoid touch elastic component to keep away from the preset position, improved the connection reliability between touch elastic component and the touch button to ensure that after the user touched the touch button, touch elastic component can be with corresponding signal transduction to the circuit board on, improved the sensitivity of touch button. Meanwhile, the limiting column can play a role in positioning in the installation process of the conducting piece and the touch elastic piece, and assembly is convenient.

In one possible design, the power base further includes a circuit board support, the circuit board support is mounted in the housing, and two ends of the circuit board support are respectively connected with the circuit board and the touch keys.

In the scheme, the two ends of the circuit board support are respectively connected with the circuit board and the touch keys, so that the connection stability between the circuit board and the touch keys is improved, and the reliability of the whole structure is improved. And the installation position can be provided for the touch key, so that the function of supporting the touch key is achieved.

In one possible design, the circuit board support is provided with a limiting hole, and the touch elastic piece is installed in the limiting hole; and the diameter of the limiting hole is gradually increased along the direction of the touch key towards the circuit board.

In the scheme, the limiting hole is used for limiting the touch elastic piece, so that the touch elastic piece is prevented from being excessively deformed or greatly deflected to influence the connection of the touch elastic piece and the touch key. Because the structure of touch elastic component is narrow down wide stable shape, along when the diameter in spacing hole increases gradually along the direction of touch button towards the circuit board, can laminate in touch elastic component's shape more, convenient equipment.

In one possible design, the circuit board support is provided with a mounting part, and the mounting part is provided with a plurality of mounting grooves along the circumferential direction of the mounting part; the touch key is provided with a plurality of buckling parts, and a plurality of mounting grooves are respectively matched with the buckling parts in a clamping mode.

In the above scheme, when the touch button is mounted on the circuit board support, at least part of the buckling part is accommodated in the mounting groove, and at the moment, the mounting groove is used for limiting the movement of the buckling part along the circumferential direction and the axial direction of the buckling part, so that the touch button is fixedly connected with the circuit board support. The installation department is provided with a plurality of mounting grooves along circumference, correspondingly, the touch button is provided with a plurality of buckle portions along circumference, and a plurality of buckle portions cooperate with a plurality of mounting grooves respectively, can improve the installation stability of touch button and circuit board support.

In one possible design, the circuit board support is further provided with a supporting portion, a top wall of the supporting portion abuts against a lower surface of the conducting piece, and the supporting portion is disposed around the touch elastic member.

In the above scheme, the supporting part is used for further limiting the mounting position of the conducting strip, when the top wall of the supporting part is abutted to the lower surface of the conducting strip, the upper surface of the conducting strip can be tightly attached to the touch key, so that stable contact between the conducting strip and the touch key is improved, the conducting strip is ensured to be capable of being stably connected with the touch key and the touch elastic piece, and the sensitivity of the touch key is further improved. The supporting part is an annular wall surface and is arranged around the touch elastic piece, so that the limit effect on the touch elastic piece can be achieved.

In one possible design, the circuit board support comprises a body and water guide side walls, wherein the water guide side walls are distributed along the circumferential direction of the body, and the limiting holes, the mounting part and the supporting part are all positioned on the body; the water guide side wall comprises a first section and a second section which are fixedly connected, the first section is connected with the side wall of the body, and the first section extends along the length direction of the body and/or the width direction of the body towards the direction far away from the body; the second section is connected with the first section, and extends along the height direction of the body towards the direction close to the circuit board.

In the above-mentioned scheme, when the inside water that intakes of casing, the side wall of leading water can play the guide effect to water, prevents that water from flowing to the circuit board, influences the use of circuit board. Specifically, water guide side is enclosed including fixed connection's first section and second section, when water from the casing when getting into outward, can flow to the body earlier, and the first section that flows to be connected with the body again, the first section extends along the direction that the body was kept away from to the direction of length direction of body and/or the width direction orientation of body, can keep away from the direction of body with the water direction, makes water follow the second section downwardly flow then, and the second section extends along the direction that the direction of height orientation of body is close to the circuit board, can play the effect of cut off, keeps apart water and circuit board, prevents that the circuit board from intaking.

In one possible design, the power supply base comprises an upper cover and a lower cover, wherein a containing cavity is formed by the upper cover and the lower cover in a surrounding mode, the upper cover is provided with a through hole, the through hole is communicated with the containing cavity, and the circuit board bracket and the circuit board are both positioned in the containing cavity; the touch key is provided with a touch end face, and at least part of the touch key is positioned in the through hole so that the touch end face is exposed out of the through hole.

In the scheme, the upper cover and the lower cover are detachably connected, have anti-corrosion and waterproof functions and are used for protecting the circuit board and other structures in the accommodating cavity. The user can control the touch key by touching the touch end surface, so that the touch key transmits corresponding signals to the touch elastic piece. The through hole is used for accommodating the touch key, and when the touch end face is exposed from the through hole, the touch key is more convenient for a user to operate.

In one possible design, the lower cover is provided with a waterproof wall, and the circuit board is located in a space surrounded by the waterproof wall and the bottom wall of the lower cover.

In the scheme, the waterproof wall and the lower cover jointly enclose a waterproof space, and when the circuit board is placed in the space, water can be prevented from flowing into the circuit board. Meanwhile, the waterproof wall is low in manufacturing cost and beneficial to production and manufacturing.

In one possible design, a drain hole is provided in the bottom wall of the lower cover, the drain hole being located between the waterproof wall and the side wall of the lower cover.

In the above-mentioned scheme, the wash port can be to holding the intracavity water and arrange to the external world, avoids inside ponding of casing, and when the wash port is located between the lateral wall of waterproof wall and lower cover, can prevent to hold the intracavity water level and flow to the circuit board beyond the waterproof wall on, further ensured the security of circuit board.

A second aspect of the present application provides a liquid heating vessel comprising:

a kettle body;

the power supply base is detachably connected with the kettle body and is the power supply base.

In the scheme, the power supply base has higher key sensitivity and waterproof performance.

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 cross-sectional view of a power base provided in the present application;

FIG. 2 is an exploded view of the power base;

FIG. 3 is a schematic view of a circuit board holder;

FIG. 4 is a schematic diagram of a key structure;

fig. 5 is an enlarged view of a portion a in fig. 1.

Reference numerals:

1-a housing;

11-an upper cover;

111-through holes;

12-a lower cover;

121-a waterproof wall;

13-a receiving cavity;

2-a circuit board;

3-touching keys;

31-limiting columns;

32-a snap-fit portion;

33-touching the end face;

4-touching the elastic member;

5-conducting sheets;

6-a circuit board bracket;

601-body;

602-water guide side walls;

602 a-a first segment;

602 b-a second section;

61-limiting holes;

62-mounting part;

621-mounting slots;

63-a support;

7-connectors;

8-power supply line.

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

Detailed Description

For a better understanding of the technical solutions of the present application, embodiments of the present application are described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in 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 one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

It should be noted that, the terms "upper", "lower", "left", "right", and the like 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 the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

The embodiment of the application provides a power supply base which can be used for a liquid heating container, and comprises a shell 1, a circuit board 2, touch keys 3 and a touch elastic piece 4 as shown in fig. 1. Wherein, circuit board 2 installs in casing 1, and touch button 3 installs in casing 1, and one side that touch button 3 was towards circuit board 2 is provided with spacing post 31, and touch elastic component 4 cup joints in spacing post 31, and the both ends of touch elastic component 4 are connected with circuit board 2 and touch button 3 respectively, and switch-on piece 5 cup joints in spacing post 31, switch-on piece 5's both ends respectively with touch button 3 and touch elastic component 4 butt.

The circuit board 2 is connected with the touch keys 3 through the touch elastic piece 4, the surface of the touch keys 3 is exposed out of the shell 1, after a user touches the surface of the touch keys 3, the touch elastic piece 4 can conduct corresponding signals to the circuit board 2, and the circuit board 2 is used for controlling corresponding elements to be opened or closed according to the signals, so that different functions of the liquid heating container are achieved. As shown in fig. 1 and 2, the conductive sheet 5 with a conductive function is provided in this embodiment, and two ends of the conductive sheet 5 are respectively abutted against the touch key 3 and the touch elastic member 4, so that the connection area between the touch key 3 and the touch elastic member 4 can be increased, thereby improving the sensitivity of the touch key 3.

Specifically, as shown in fig. 1, a limit post 31 is disposed on a side of the touch key 3 facing the circuit board 2, and the conducting plate 5 and the touch elastic member 4 are both sleeved on the limit post 31. The touch elastic piece 4 is not fixedly connected with the touch key 3, and the touch elastic piece 4 is easy to deform and shift in the use process, so that the connection with the touch key 3 is not stable enough, and the sensitivity of the touch key 3 is reduced. Therefore, the limiting column 31 is arranged, the lateral movement of the touch elastic piece 4 can be limited, and the touch elastic piece is prevented from being greatly deviated relative to the touch key 3, so that stable contact between the touch elastic piece 4 and the touch key 3 is ensured, the reliability of the device is improved, and the sensitivity of the touch key 3 is further improved.

In this embodiment, through setting up spacing post 31, can carry out spacingly to touch elastic component 4, avoid touch elastic component 4 to keep away from the preset position, improved the connection reliability between touch elastic component 4 and the touch button 3 to ensure that after the user touched touch button 3, touch elastic component 4 can be with corresponding signal conduction to circuit board 2 on, improved the sensitivity of touch button 3. Meanwhile, the limiting column 31 can also play a role in positioning in the installation process of the conducting piece 5 and the touch elastic piece 4, and is convenient to assemble.

In addition, the touch elastic piece 4 and the circuit board 2 can be welded and fixed, so that the situation that the touch elastic piece 4 falls off or misplaces is prevented, the structure is more stable, and the touch elastic piece is not easy to damage. The touch elastic member 4 may be a touch spring as shown in fig. 1.

In a specific embodiment, as shown in fig. 1, the power supply base further includes a circuit board support 6, where the circuit board support 6 is installed in the housing 1, and two ends of the circuit board support 6 are connected to the circuit board 2 and the touch keys 3 respectively.

The circuit board 2 and the touch keys 3 are respectively connected to the two ends of the circuit board support 6, so that the connection stability between the circuit board 2 and the touch keys 3 is improved, and the reliability of the whole structure is improved. But also provides an installation position for the touch key 3, and plays a role in supporting the touch key 3.

In this embodiment, the circuit board support 6 may be made of an insulating material, and the circuit board 2 may be fixedly connected to the circuit board support 6 by a screw.

Specifically, as shown in fig. 1, the circuit board support 6 is provided with a limiting hole 61, the touch elastic member 4 is mounted in the limiting hole 61, and the diameter of the limiting hole 61 gradually increases along the direction of the touch key 3 toward the circuit board 2.

The limiting hole 61 is used for limiting the touch elastic member 4, so as to prevent the touch elastic member 4 from excessively deforming or greatly shifting to influence the connection with the touch key 3. As shown in fig. 1, the structure of the touch elastic member 4 is in a stable shape with a narrow top and a wide bottom, and when the diameter of the limiting hole 61 gradually increases along the direction of the touch key 3 toward the circuit board 2, the structure can be more attached to the shape of the touch elastic member 4, so that the assembly is convenient.

In addition, as shown in fig. 1, when the power supply base includes a plurality of touch keys 3, a plurality of touch elastic members 4 are correspondingly provided to connect each touch key 3 with the circuit board 2, and at this time, the circuit board support 6 is correspondingly provided with a plurality of spacing holes 61 distributed at intervals, so that the plurality of touch elastic members 4 can be isolated, and the short circuit failure of the touch keys 3 caused by the contact of two adjacent touch elastic members 4 is prevented.

Specifically, the plurality of touch keys 3 may be an integral structure as shown in fig. 2 or a split structure, which is not limited in this embodiment.

In a specific embodiment, as shown in fig. 3 and 4, the circuit board support 6 is provided with a mounting portion 62, the mounting portion 62 has a plurality of mounting grooves 621 along a circumferential direction of the mounting portion 62, the touch key 3 is provided with a plurality of fastening portions 32, and the plurality of mounting grooves 621 are respectively fastened and engaged with the plurality of fastening portions 32.

As shown in fig. 5, when the touch key 3 is mounted on the circuit board support 6, at least part of the fastening portion 32 is accommodated in the mounting groove 621, and at this time, the mounting groove 621 is used for limiting the movement of the fastening portion 32 along the circumferential direction and the axial direction thereof, so that the touch key 3 is fixedly connected with the circuit board support 6. As shown in fig. 3 and 4, the mounting portion 62 is provided with a plurality of mounting grooves 621 in the circumferential direction, and correspondingly, the touch key 3 is provided with a plurality of engaging portions 32 in the circumferential direction, and the plurality of engaging portions 32 are engaged with the plurality of mounting grooves 621, respectively, so that the mounting stability of the touch key 3 and the circuit board holder 6 can be improved.

In a specific embodiment, as shown in fig. 5, the circuit board support 6 is further provided with a supporting portion 63, a top wall of the supporting portion 63 abuts against a lower surface of the conducting plate 5, and the supporting portion 63 is disposed around the touch elastic member 4.

The supporting portion 63 is used for further limiting the installation position of the conducting strip 5, when the top wall of the supporting portion 63 is abutted to the lower surface of the conducting strip 5, the upper surface of the conducting strip 5 can be tightly attached to the touch key 3, stable contact between the conducting strip 5 and the touch key 3 is improved, stable connection of the conducting strip 5 to the touch key 3 and the touch elastic piece 4 is ensured, and sensitivity of the touch key 3 is further improved.

As shown in fig. 3 and 5, the supporting portion 63 is an annular wall surface, and is disposed around the touch elastic member 4, so as to limit the touch elastic member 4. Referring to fig. 1 again, it will be understood that the limiting hole 61 may be disposed through the entire circuit board bracket 6, and the upper end surface of the limiting hole 61, that is, the top wall of the supporting portion 63, is beneficial to improving the installation stability of the touch elastic member 4.

In a specific embodiment, as shown in fig. 1, the circuit board support 6 includes a body 601 and a water guiding side wall 602, as shown in fig. 3, the water guiding side wall 602 is distributed along a circumference of the body 601, the limiting hole 61, the mounting portion 62 and the supporting portion 63 are all located in the body 601, the water guiding side wall 602 includes a first section 602a and a second section 602b which are fixedly connected, the first section 602a is connected with a side wall of the body 601, the first section 602a extends along a length direction X of the body 601 and/or a width direction Y of the body 601 towards a direction away from the body 601, the second section 602b is connected with the first section 602a, and the second section 602b extends along a height direction Z of the body 601 towards a direction close to the circuit board 2.

When water enters the shell 1, the water guide side wall 602 can guide water, so that the water is prevented from flowing to the circuit board 2, and the use of the circuit board 2 is prevented from being affected. Specifically, referring to fig. 1 and 3 together, the water guiding side wall 602 includes a first section 602a and a second section 602b that are fixedly connected, as shown by an arrow in fig. 1, when water enters from outside the housing 1, the water flows to the body 601 first and then flows to the first section 602a connected to the body 601, the first section 602a extends along a length direction X of the body 601 and/or a width direction Y of the body 601 towards a direction away from the body 601, so that the water can be guided towards a direction away from the body 601, and then flows downwards along the second section 602b, and the second section 602b extends along a height direction Z of the body 601 towards a direction close to the circuit board 2, so as to play a role of blocking the water from the circuit board 2, and prevent the circuit board 2 from entering water.

In a specific embodiment, as shown in fig. 1, the power base includes an upper cover 11 and a lower cover 12, the upper cover 11 and the lower cover 12 enclose a containing cavity 13, as shown in fig. 5, the upper cover 11 is provided with a through hole 111, the through hole 111 communicates with the containing cavity 13, the circuit board support 6 and the circuit board 2 are both located in the containing cavity 13, the touch key 3 has a touch end surface 33, and at least part of the touch key 3 is located in the through hole 111, so that the touch end surface 33 is exposed from the through hole 111.

The upper cover 11 is detachably connected with the lower cover 12, has anti-corrosion and waterproof functions, and is used for protecting the circuit board 2 and other structures in the accommodating cavity. The user can actuate the touch key 3 by touching the touch end face 33, so that it transmits a corresponding signal to the touch spring 4. As shown in fig. 5, the through hole 111 is used for accommodating the touch key 3, and when the touch end surface 33 is exposed from the through hole 111, the operation of a user is more convenient.

Referring to fig. 1 and 5 together, when water flows into the accommodating chamber 13 from the through hole 111, the water guiding side wall 602 can play a waterproof role to prevent water from entering the circuit board 2.

In addition, the circuit board holder 6 may be fixed to the lower cover 12 by screws to improve the mounting stability of the circuit board holder 6.

In a specific embodiment, as shown in fig. 1 and 2, the lower cover 12 is provided with a waterproof wall 121, and the circuit board 2 is located in a space surrounded by the waterproof wall 121 and the bottom wall of the lower cover 12.

The waterproof wall 121 and the lower cover 12 together define a waterproof space in which the circuit board 2 is placed, and water is prevented from flowing into the circuit board 2. Meanwhile, the waterproof wall 121 is low in manufacturing cost and beneficial to production and manufacture. As shown in fig. 1, the water guiding side wall 602 and the waterproof wall 121 cooperate to also function as double waterproof.

In a specific embodiment, a drain hole (not shown) is provided in the bottom wall of the lower cover 12, and the drain hole is located between the waterproof wall 121 and the side wall of the lower cover 12.

The water in holding chamber 13 can be discharged to the external world to the wash port, avoids casing 1 inside ponding, and when the wash port was located between the lateral wall of waterproof wall 121 and lower cover 12, can prevent to hold the water level in the chamber 13 and flow to circuit board 2 beyond waterproof wall 121 on, further ensured the security of circuit board 2.

In this embodiment, the shape and number of the drain holes are not limited, and the specific positions of the drain holes are not limited, and the drain holes only need to be located on the outer side of the waterproof wall 121, and the drain holes can be all arranged along the circumferential direction of the waterproof wall 121.

The embodiment of the application also provides a liquid heating container, which comprises a kettle body and a power supply base which are detachably connected, wherein the power supply base is the power supply base in each embodiment. Because the power base has the above technical effects, the liquid heating container comprising the power base should also have corresponding technical effects, and will not be described herein.

Specifically, as shown in fig. 2, the power base further includes a connector 7 and a power line 8, wherein the connector 7 and the power line 8 are connected, the power line 8 is used for externally connecting a circuit to supply power to the connector, and when the kettle body is placed on the power base, the connector 7 can be electrically connected with a temperature controller on the kettle body, so that power is supplied to the temperature controller.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A power base, comprising

A housing (1);

a circuit board (2) mounted in the housing (1);

the touch key (3) is arranged on the shell (1), and a limit column (31) is arranged on one side, facing the circuit board (2), of the touch key (3);

the touch elastic piece (4) is sleeved on the limit column (31), and two ends of the touch elastic piece (4) are respectively connected with the circuit board (2) and the touch keys (3);

the conducting piece (5) is sleeved on the limiting column (31), and two ends of the conducting piece (5) are respectively abutted to the touch key (3) and the touch elastic piece (4).

2. The power supply base according to claim 1, further comprising a circuit board support (6), wherein the circuit board support (6) is installed in the housing (1), and two ends of the circuit board support (6) are respectively connected with the circuit board (2) and the touch keys (3).

3. The power base according to claim 2, characterized in that the circuit board support (6) is provided with a limiting hole (61), and the touch elastic member (4) is mounted in the limiting hole (61);

along the direction of the touch key (3) towards the circuit board (2), the diameter of the limiting hole (61) is gradually increased.

4. A power base according to claim 3, wherein the circuit board holder (6) is provided with a mounting portion (62), the mounting portion (62) having a plurality of mounting grooves (621) along a circumferential direction of the mounting portion (62);

the touch key (3) is provided with a plurality of buckling parts (32), and a plurality of mounting grooves (621) are respectively matched with the buckling parts (32) in a clamping way.

5. The power base according to claim 4, characterized in that the circuit board support (6) is further provided with a supporting portion (63), a top wall of the supporting portion (63) abuts against a lower surface of the conducting piece (5), and the supporting portion (63) is disposed around the touch elastic member (4).

6. The power base according to claim 5, wherein the circuit board support (6) comprises a body (601) and a water guiding side wall (602), the water guiding side wall (602) is distributed along the circumferential direction of the body (601), and the limiting hole (61), the mounting portion (62) and the supporting portion (63) are all located on the body (601);

the water guide side wall (602) comprises a first section (602 a) and a second section (602 b) which are fixedly connected, the first section (602 a) is connected with the side wall of the body (601), and the first section (602 a) extends along the length direction of the body (601) and/or the width direction of the body (601) towards a direction away from the body (601);

the second section (602 b) is connected to the first section (602 a), and the second section (602 b) extends in the height direction of the body (601) toward a direction approaching the circuit board (2).

7. The power supply base according to any one of claims 2-6, characterized in that the power supply base comprises an upper cover (11) and a lower cover (12), wherein a containing cavity (13) is enclosed by the upper cover (11) and the lower cover (12), the upper cover (11) is provided with a through hole (111), the through hole (111) is communicated with the containing cavity (13), and the circuit board bracket (6) and the circuit board (2) are both positioned in the containing cavity (13);

the touch key (3) has a touch end face (33), and at least part of the touch key (3) is located in the through hole (111) so that the touch end face (33) is exposed from the through hole (111).

8. The power base according to claim 7, characterized in that the lower cover (12) is provided with a waterproof wall (121), and the circuit board (2) is located in a space surrounded by the waterproof wall (121) and a bottom wall of the lower cover (12).

9. The power base of claim 8, wherein a drain hole is provided in a bottom wall of the lower cover (12), the drain hole being located between the waterproof wall (121) and a side wall of the lower cover (12).

10. A liquid heating vessel comprising:

a kettle body;

a power base detachably connected to the kettle body, the power base being as claimed in any one of claims 1 to 9.

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