CN216528535U - Key assembly and liquid heating container - Google Patents

Abstract

The utility model provides a key assembly and a liquid heating container. Wherein, key assembly includes knob and button, is provided with the button in the knob and holds the chamber, and the button sets up at the button and holds the intracavity movably from top to bottom, and the knob can be rotatory around the axis of button, and key assembly still includes: and the sealing ring is arranged between the outer side wall of the key and the inner side wall of the knob. Through the gap between the sealed button of sealing washer and the knob, play waterproof effect, can effectively avoid external water, dust etc. to get into the product inside using this button subassembly through the gap, reduce the risk of electric shock, avoid the product inner structure moreover to rust rotten, damage even, ensure the practical life of product.

Description

Key assembly and liquid heating container

Technical Field

The utility model relates to the technical field of cooking, in particular to a key assembly and a liquid heating container.

Background

Most of the existing liquid heating containers have multiple cooking functions so as to meet different cooking requirements of users. Taking a health preserving pot as an example, different cooking modes can be configured for different drinks, and a user selects drinks such as boiled water, tremella soup, flower and fruit tea and the like by rotating a knob, and then presses a key in the knob to start a corresponding cooking program. However, in the existing liquid heating container, the gap between the knob and the key is not subjected to waterproof treatment, so that the risk that external water enters the interior of the product through the gap is increased, and the product is easily damaged or even dangerous.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to provide a key assembly and a liquid heating container, which can solve the problem that water from the outside easily enters the interior of the product through the gap between the knob and the key.

An embodiment of a first aspect of the present invention provides a key assembly, where the key assembly includes a knob and a key, a key accommodating cavity is disposed in the knob, the key is movably disposed in the key accommodating cavity up and down, the knob can rotate around a central axis of the key, and the key assembly further includes: and the sealing ring is arranged between the outer side wall of the key and the inner side wall of the knob.

The key assembly provided by the embodiment of the aspect comprises a knob, a key and a sealing ring, wherein the key is arranged in a key accommodating cavity of the knob and can move up and down in the key accommodating cavity, so that the occupied space is saved, and the requirement of rotation of the knob and downward pressing of the key can be met simultaneously. And, set up the sealing washer between the lateral wall of button and the inside wall of knob, through the gap between sealing washer sealed button and the knob, play waterproof effect, can effectively avoid external water, dust etc. to get into the product inside using this button subassembly through the gap, reduce the risk of electric shock, avoid moreover that product inner structure is rusty rotten, damage even, ensure the practical life of product.

In some embodiments, the sealing ring is sleeved on the outer side wall of the key and can move up and down along with the key.

In the embodiments, the sealing ring is sleeved on the key and moves up and down along with the key, so that on one hand, the installation stability of the sealing ring can be ensured, and on the other hand, the sealing ring can block a gap between the key and the knob along with the movement of the key, so that the waterproof effect is ensured.

In some embodiments, the seal ring comprises: the ring main body is sleeved on the outer side wall of the key; the sealing rib is connected to the outer side wall of the ring body and distributed around the circumference of the ring body, and the sealing rib is abutted to the inner side wall of the knob.

In these embodiments, the seal ring is made to include a ring body and a sealing rib that branches outwardly from an outer sidewall of the ring body. The main ring body is sleeved on the key, so that the installation stability of the sealing ring can be ensured. Make the inside wall looks butt of sealed muscle and knob, on the one hand can shutoff button and the gap between the knob, the sealed muscle of on the other hand branch relatively easily bends deformation for the circle main part, and is easy along with button and rotatory removal and deformation to can not excessively interfere reciprocating of button and the rotation of knob, avoid increasing knob dynamics and pressing power degree by a wide margin and influence the user and feel.

In some embodiments, the sealing rib extends from the outer sidewall of the ring body to the exterior of the ring body and to the top of the ring body to form an upwardly opening sealing groove between the inner side surface of the sealing rib and the outer sidewall of the ring body, the outer side surface of the sealing rib abutting the inner sidewall of the knob.

In these embodiments, make sealed muscle outwards and to the top extension of circle main part, make and form the ascending seal groove of opening between sealed muscle and the circle main part, then at the in-process that the button drove the sealing washer and moves down, sealed muscle is very easy to be deformed and makes the opening grow or diminish of seal groove, can be when guaranteeing sealed effect, reduces the resistance to the button removal to guarantee to press down and feel. Moreover, the opening of the sealing groove is upward, so that a certain amount of water is lifted through the sealing groove in the water inlet process, and compared with the situation that the sealing groove is not provided, the water is directly contained in the space surrounded by the knob, the sealing ring and the key, and the phenomenon that the water slides to the inside of the product from the edge of the sealing rib under the action of self gravity can be avoided.

In some embodiments, the sealing rib extends longitudinally in an arc. Because the inside wall of knob is comparatively smooth generally, consequently, make sealed muscle be the camber extension on vertical, the lateral surface that also is sealed muscle is the arcwall face, can ensure that sealed muscle closely laminates the inside wall of knob, especially at the button removal in-process, makes sealed muscle have partly can with knob looks butt all the time to guarantee water-proof effects.

In some embodiments, the sealing rib is connected to the middle of the outer side wall of the ring body in the height direction. The sealing rib can be pulled from the upper direction and the lower direction by the ring main body, so that the connection strength of the sealing rib and the ring main body is improved.

In some embodiments, a clamping groove is formed in the circumferential direction of the outer side wall of the key, and the ring main body is arranged in the clamping groove.

In these embodiments, a portion of the sealing ring is disposed embedded within the groove. On one hand, the limit of the sealing ring is facilitated through the groove side wall of the clamping groove, the sealing ring is prevented from moving up and down relative to the key and even falling off, and the installation firmness of the sealing ring is improved; on the other hand, the button is favorable for driving the sealing ring to synchronously move up and down, so that the waterproof effect in the button moving process is ensured.

In some embodiments, the width of the top slot wall of the slot is greater than the thickness of the ring body. The sealing ring is shielded, so that a user cannot easily see the sealing ring from the outside, and the appearance effect is ensured. Moreover, the seal ring can be prevented from falling off from the upper part.

In some embodiments, the thickness of the ring body ranges from 1mm to 1.5 mm. If the ring body is too thick, material is wasted. If the ring main body is too thin, the ring main body is extremely easy to deform and fall off from the keys easily, and the sealing rib cannot be pulled forcefully, so that the sealing rib is extremely easy to swing relative to the ring main body, and the sealing effect is influenced. Therefore, the thickness of the ring main body is between 1mm and 1.5mm, and the cost can be saved while the sealing effect is ensured.

In some embodiments, the thickness of the sealing rib ranges from 0.3mm to 0.8 mm. If the sealing rib is too thin, burrs or glue shortage can be caused in the production process, and the sealing effect is affected. If the sealing rib is too thick, the rotary force of the knob and the pressing force of the key can be increased, and the hand feeling is affected. Therefore, the thickness of the sealing rib is between 0.3mm and 0.8mm, and the operation hand feeling of a user can be ensured while the sealing effect is ensured.

In some embodiments, the width of the top slot wall of the slot ranges from 1.5mm to 2.5 mm. The thickness range of cooperation circle main part is 1mm to 1.5mm, is favorable to sheltering from the sealing washer, makes the user can not see the sealing washer easily from the outside, guarantees the outward appearance effect, avoids the sealing washer to drop from the top moreover.

Further, the width scope of the bottom cell wall of draw-in groove is 1mm to 2 mm. Effectively carry out spacingly to the sealing washer, avoid the sealing washer to follow the button gliding from top to bottom.

In some embodiments, the ring body is an interference fit with the snap groove. Further, the interference is between 0.3mm and 0.6 mm. If the interference magnitude is too small, the sealing ring cannot be fastened on the key, and the sealing ring is easy to fall off or deform locally, wrinkle and the like in the installation and use processes. If the magnitude of interference is too large, the sealing ribs on the outer side are easy to deform and lose the waterproof effect in the elastic deformation process. Therefore, the interference magnitude of interference assembly of the ring main body and the clamping groove is between 0.3mm and 0.6mm, the installation is firm, and the waterproof effect is good.

In some embodiments, the key includes a key cover on top. The clamping groove is arranged on the outer side wall of the key cover. The button lid embedding sets up at the top opening part of button accommodation chamber. Compared with the key cover which shields the top of the knob, the key cover does not need to be higher than the knob so as to be convenient for subsequent pressing, and the occupied space of the key assembly is favorably reduced.

In some embodiments, the key cover is a light transmissive cover. The internal structure of the key can be observed conveniently through the key cover.

Further, the key assembly further comprises a display device arranged in the key and located below the key cover. The transparent key cover is matched, so that the display through the transparent key cover is facilitated.

In some embodiments, the key further comprises a key support, the key cover covers the key support and encloses a display device accommodating cavity with the key support, the display device is arranged in the display device accommodating cavity, and the display device is fixed on the lower surface of the key cover or fixed on the key support. The display device is conveniently arranged inside the key.

Further, the key cover is connected with the key support in a clamping mode. The assembly is convenient.

In some embodiments, the key assembly further comprises a circuit board, an encoder, and a switch member, both of which are connected to the circuit board; the encoder comprises an inner ring fixed on the circuit board and an outer ring sleeved outside the inner ring and rotatable, the knob is connected with the outer ring of the encoder to drive the outer ring to rotate, the key support is movably connected with the inner ring of the encoder from top to bottom, and the key support is arranged above the switch piece to press the switch piece.

In these embodiments, the knob is coupled to the outer ring of the encoder to rotate the outer ring for function selection. The key support is movably connected with the inner ring of the encoder up and down in the inner ring of the encoder, on one hand, the key support can be limited through the inner ring of the encoder, and the key support is ensured to move according to the extending path of the inner ring, so that the switch piece below the key support is accurately pressed, and on the other hand, the occupied space can be saved. Moreover, the knob rotation and the downward pressing of the key can be satisfied at the same time.

A second aspect embodiment of the present invention provides a liquid heating vessel comprising: according to the technical scheme, the key assembly, the container body and the base are used for bearing the container body, and the key assembly is arranged on the base. The liquid heating container provided by the embodiment of the present aspect has the beneficial effects of any one of the above technical solutions due to the key assembly of any one of the above technical solutions, which is not repeated herein.

Additional aspects and/or advantages of the present general inventive concept will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the general inventive concept.

Drawings

The above and other objects and features of the present invention will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

fig. 1 is a cross-sectional schematic view of a key assembly according to one embodiment of the present invention;

fig. 2 is an exploded schematic view of a key assembly according to one embodiment of the present invention;

fig. 3 is a partially exploded schematic view of a key assembly according to one embodiment of the present invention;

FIG. 4 is a schematic diagram of a key according to one embodiment of the present invention;

FIG. 5 is a schematic diagram of a seal ring according to one embodiment of the present invention;

FIG. 6 is a schematic diagram of a knob according to one embodiment of the present invention;

FIG. 7 is a schematic top view of a liquid heating vessel according to an embodiment of the present invention;

FIG. 8 is a schematic front view of a liquid heating vessel according to one embodiment of the present invention;

FIG. 9 is a schematic longitudinal cross-sectional view of a liquid heating vessel according to one embodiment of the present invention;

fig. 10 is a partially enlarged schematic view at I in fig. 9.

Fig. 1 to 10 are numbered as follows:

10 knobs, 110 key receiving cavities, 120 encoders, 121 inner rings, 122 outer rings, 130 circuit boards,

20 keys, 210 slots, 211 top slot wall, 212 bottom slot wall, 220 key covers, 230 display, 240 key holders, 250 switch pieces,

30 o-rings, 310 o-rings, 320 o-rings, 330 o-rings,

40 liquid heating vessel, 410 vessel body, 420 base.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art after reviewing the disclosure of the present application. For example, the order of operations described herein is merely an example, and is not limited to those set forth herein, but may be changed as will become apparent after understanding the disclosure of the present application, except to the extent that operations must occur in a particular order. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.

The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided to illustrate only some of the many possible ways to implement the methods, devices, and/or systems described herein, which will be apparent after understanding the disclosure of the present application.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more.

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein could also be referred to as a second element, component, region, layer or section without departing from the teachings of the examples.

In the specification, when an element such as a layer, region or substrate is referred to as being "on," "connected to" or "coupled to" another element, it can be directly on, connected to or coupled to the other element or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there may be no intervening elements present.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular is also intended to include the plural unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof. The term "plurality" means any number of two or more.

The definitions of the terms "upper", "lower", "top" and "bottom" in this application are all based on the orientation of the air fryer when it is in normal use and is standing upright.

Unless otherwise defined, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs after understanding the present invention. Unless explicitly defined as such herein, terms such as those defined in general dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and should not be interpreted in an idealized or overly formal sense.

Further, in the description of the examples, when it is considered that detailed description of well-known related structures or functions will cause a vague explanation of the present invention, such detailed description will be omitted.

A key assembly and a liquid heating container provided by an embodiment of the present invention will be described below with reference to fig. 1 to 10.

As shown in fig. 1 to 3 and 6, a first aspect of the present invention provides a key assembly, where the key assembly includes a knob 10 and a key 20, a key accommodating cavity 110 is disposed in the knob 10, the key 20 is disposed in the key accommodating cavity 110 in a vertically movable manner, the knob 10 can rotate around a central axis of the key 20, and the key assembly further includes: and a sealing ring 30 disposed between an outer sidewall of the button 20 and an inner sidewall of the knob 10.

The key assembly provided by the embodiment of the utility model comprises a knob 10, a key 20 and a sealing ring 30, wherein the key 20 is arranged in a key accommodating cavity 110 of the knob 10 and can move up and down in the key accommodating cavity 110, so that the occupied space is saved, and the requirement of rotating the knob 10 and pressing the key 20 downwards can be met at the same time. Moreover, set up sealing washer 30 between the lateral wall of button 20 and the inside wall of knob 10, through the gap between sealing washer 30 seal button 20 and the knob 10, play waterproof effect, can effectively avoid external water, dust etc. to get into the product inside using this button subassembly through the gap, reduce the risk of electrocuteeing, avoid the product inner structure to rust rotten because of soaking moreover, damage even, ensure the practical life of product.

Moreover, the sealing ring 30 is usually constructed by an elastic material, and the application also defaults that the sealing ring 30 is constructed by an elastic material, so that even if the sealing ring 30 blocks a gap between the key 20 and the knob 10, the movement of the key 20 and the knob 10 is not excessively influenced, and the sealing ring is only adaptively deformed along with the movement of the key 20 or the knob 10, thereby ensuring the function of the key assembly while ensuring the waterproof effect.

Optionally, the sealing ring 30 is a silicone sealing ring.

Regarding the installation position of the sealing ring 30, in some embodiments, as shown in fig. 1 and 3, the sealing ring 30 is sleeved on the outer side wall of the key 20 and can move up and down along with the key 20.

In these embodiments, the sealing ring 30 is sleeved on the key 20 and moves up and down along with the key 20, so that on one hand, the installation stability of the sealing ring 30 can be ensured, and on the other hand, the sealing ring 30 can block the gap between the key 20 and the knob 10 at any time along with the movement of the key 20, thereby ensuring the waterproof effect. Moreover, generally, the side wall of the knob 10 is thinner, so that the seal ring 30 is sleeved on the key 20, the structure of the knob 10 does not need to be changed, and the structural strength of the knob 10 is ensured.

With respect to the structure of the seal ring 30, in some embodiments, as shown in fig. 1, 2, and 5, the seal ring 30 includes: a ring main body 310 sleeved on the outer side wall of the key 20; and the sealing ribs 320 are connected to the outer side wall of the ring body 310 and distributed circumferentially around the ring body 310, and the sealing ribs 320 are abutted against the inner side wall of the knob 10.

In these embodiments, the seal ring 30 is made to include a ring body 310 and a sealing rib 320 that branches outwardly from the outer sidewall of the ring body 310. The ring main body 310 is sleeved on the key 20, so that the installation stability of the sealing ring 30 can be ensured. The sealing rib 320 is abutted against the inner side wall of the knob 10, so that on one hand, a gap between the key 20 and the knob 10 can be blocked, and on the other hand, the branched sealing rib 320 is relatively easy to bend and deform relative to the ring main body 310 and is easy to deform along with the movement of the key 20 and the rotation, so that the up-and-down movement of the key 20 and the rotation of the knob 10 cannot be excessively interfered, and the influence on the hand feeling of a user due to the greatly increased force and pressing force of the knob 10 is avoided.

In some embodiments, as shown in fig. 1 and 5, the sealing rib 320 extends from the outer sidewall of the ring body 310 to the outside of the ring body 310 and to the top of the ring body 310 to form a sealing groove 330 opening upward between the inner side surface of the sealing rib 320 and the outer sidewall of the ring body 310, the outer side surface of the sealing rib 320 abutting the inner sidewall of the knob 10.

In these embodiments, the sealing rib 320 extends outward and toward the top of the ring main body 310, so that the sealing groove 330 with an upward opening is formed between the sealing rib 320 and the ring main body 310, and when the key 20 drives the sealing ring 30 to move downward, the sealing rib 320 is easily deformed to enlarge or reduce the opening of the sealing groove 330, so that the sealing effect is ensured, and the resistance to the movement of the key 20 is reduced, thereby ensuring the pressing hand feeling. Moreover, the opening of the sealing groove 330 is upward, which is beneficial to lifting a certain amount of water through the sealing groove 330 when water enters, and compared with the situation that the sealing groove 330 is not provided, and water is directly contained in the space surrounded by the knob 10, the sealing ring 30 and the key 20, the water can be prevented from sliding down to the inside of the product from the edge of the sealing rib 320 under the action of self gravity.

In some embodiments, as shown in fig. 1, the sealing rib 320 extends longitudinally in an arc. Because the inside wall of knob 10 is comparatively smooth generally, consequently, make sealed muscle 320 be the extension of arc shape on vertical, also be the lateral surface of sealed muscle 320 for the arcwall face, can ensure that sealed muscle 320 closely laminates the inside wall of knob 10, especially in the button 20 removal in-process, make sealed muscle 320 have partly can with knob 10 looks butt all the time to guarantee water-proof effects.

In some embodiments, as shown in fig. 1 and 5, the sealing rib 320 is connected to the middle of the outer sidewall of the ring body 310 in the height direction. The sealing rib 320 can be pulled by the ring body 310 from the upper and lower directions, thereby improving the connection strength between the sealing rib 320 and the ring body 310.

In some embodiments, as shown in fig. 3 and 4, the outer side wall of the key 20 is circumferentially provided with a slot 210, and the ring body 310 is disposed in the slot 210.

In these embodiments, a portion of the seal ring 30 is disposed in the groove 210. On one hand, the limit of the sealing ring 30 is facilitated through the groove side wall of the clamping groove 210, the sealing ring 30 is prevented from moving up and down relative to the key 20 and even falling off, and the installation firmness of the sealing ring 30 is improved; on the other hand, the button 20 is beneficial to driving the sealing ring 30 to move up and down synchronously, thereby ensuring the waterproof effect in the moving process of the button 20.

In some embodiments, as shown in fig. 1, 4, and 5, the width W of the top slot wall 211 of the card slot 210₁Greater than the thickness T of the ring body 310₁. The sealing ring 30 can be shielded, so that a user can not easily see the sealing ring 30 from the outside, and the appearance effect is ensured. Further, the seal ring 30 can be prevented from falling off from above.

In some embodiments, as shown in FIG. 5, the thickness T of the ring body 310₁The value range of (A) is 1mm to 1.5 mm. If the ring body 310 is too thick, material is wasted. If the ring main body 310 is too thin, it is easily deformed and easily falls off the key 20, and the sealing rib 320 cannot be pulled forcefully, so that the sealing rib 320 is easily swung relative to the ring main body 310, thereby affecting the sealing effect. Thus, the thickness T of the ring body 310 is made₁Between 1mm to 1.5mm, can be when guaranteeing sealed effect, save the cost.

By way of example, the thickness T of the ring body 310₁Is 1mm, 1.2mm or 1.4 mm.

In some embodiments, as shown in FIG. 5, the thickness T of the sealing rib 320₂The value range of (A) is 0.3mm to 0.8 mm. If the sealing rib 320 is too thin, burrs or glue shortage can occur in the production process, and the sealing effect is affected. If the sealing rib 320 is too thick, the rotation force of the knob 10 and the pressing force of the key 20 are increased, and the hand feeling is affected. Therefore, the thickness T of the sealing rib 320 is set₂Between 0.3mm to 0.8mm, can guarantee to feel when sealed effect, guarantee user's operation.

As an example of this, the following is given,thickness T of the sealing rib 320₂0.5mm, 0.6mm or 0.7 mm.

In some embodiments, as shown in FIG. 4, the width W of the top slot wall 211 of the slot 210₁The value of (A) is in the range of 1.5mm to 2.5 mm. Thickness T of mating ring body 310₁Between 1mm to 1.5mm, be favorable to sheltering from sealing washer 30, make the user can not see sealing washer 30 easily from the outside, guarantee the outward appearance effect, avoid sealing washer 30 to drop from the top moreover.

Further, as shown in FIG. 4, the width W of the bottom slot wall 212 of the slot 210₂The value of (A) is in the range of 1mm to 2 mm. Effectively carry out spacing to sealing washer 30, avoid sealing washer 30 to follow button 20 gliding.

By way of example, a width W of a top slot wall 211 of the slot 210₁2mm, width W of bottom groove wall 212 of slot 210₂Is 1.5 mm.

In some embodiments, the seal ring 30 is an interference fit with the key 20. Further, the interference is between 0.3mm and 0.6 mm. If the interference is too small, the sealing ring 30 cannot be fastened on the key 20, and is prone to falling off or local deformation, wrinkling and the like during installation and use. If the interference magnitude is too large, the sealing rib 320 on the outer side is easy to deform in the elastic deformation process, and the waterproof function is lost. Therefore, the interference magnitude of the interference fit between the sealing ring 30 and the key 20 is between 0.3mm and 0.6mm, the installation is firm, and the waterproof effect is good.

By way of example, the ring body 310 is interference fit with the slot 210, and the interference is between 0.3mm and 0.6mm, such as 0.4mm or 0.5mm, etc.

In some embodiments, as shown in FIG. 1, the key 20 includes a key cover 220 on top. The card slot 210 is disposed at an outer sidewall of the button cover 220. A key cover 220 is inserted into the top opening of the key receiving cavity 110. Compared with the key cover 220 which covers the top of the knob 10, the key cover 220 does not need to be higher than the knob 10 to facilitate subsequent pressing, which is beneficial to reducing the occupied space of the key assembly.

In some embodiments, as shown in FIG. 1, the key cover 220 is a light transmissive cover. Facilitating viewing of the internal structure of the key 20 through the key cover 220.

The key cover 220 may be transparent or translucent. The button cover 220 may be made entirely of a light-transmitting material, or may be made of a light-transmitting material in one portion and a light-impermeable material in another portion. As long as the content displayed by the display device 230 can be displayed.

Further, as shown in fig. 1 and 10, the key assembly further includes a display device 230 disposed inside the key 20 and under the key cover 220. The transparent key cover 220 is used to facilitate the display through the transparent cover.

Further, as shown in fig. 10, the key 20 further includes a key holder 240, the key cover 220 covers the key holder 240 and encloses with the key holder 240 to form a display device accommodating cavity, and the display device 230 is disposed in the display device accommodating cavity. The display device 230 is fixed on the lower surface of the button cover 220 or on the button holder 240. For example, the display device 230 is adhered or clamped to the key cover 220, or the display device 230 is clamped to the key holder 240, so that the display device 230 is stably mounted, and the display device 230 is prevented from being damaged due to shaking in the display device accommodating cavity.

Under the condition that the display device 230 is fixed on the key cover 220, in the assembling process, the display device 230 can be fixed on the key cover 220 firstly, and then the key cover 220 is covered on the key support 240, so that in the assembling process of the display device 230, the display device 230 is not interfered by the key support 240, and the assembling is convenient. Moreover, the display device 230 is directly fixed on the key cover 220, which is beneficial to ensuring the relative position of the display device 230 and the key cover 220, thereby ensuring that the content displayed by the display device 230 can be fully shown, and avoiding the influence on the display effect caused by the shielding of a part of the display device 230.

As an example, one of the outer sidewalls of the key cover 220 and the display device 230 is provided with a catch, and the other is provided with a catching groove to be matched with the catch. The assembly is convenient and firm. Moreover, the buckle or the buckling slot is disposed on the outer sidewall of the display device 230, which does not affect the content displayed on the top of the display device 230, thereby ensuring the display effect.

Further, the key cover 220 is snap-connected to the key holder 240. The assembly is convenient, the connection is stable, and the button cover 220 is prevented from falling off easily.

Further, as shown in fig. 10, the key assembly further includes a circuit board 130, an encoder 120, and a switch member 250, and both the encoder 120 and the switch member 250 are connected to the circuit board 130. The knob 10 is connected to an outer ring 122 of the encoder 120, and can rotate the outer ring 122 to select a function. The key holder 240 is movably connected with the inner ring 121 of the encoder 120 up and down, the key holder 240 can be limited by the inner ring 121 of the encoder 120, and the key holder 240 is ensured to move according to the extending path of the inner ring 121, so that the switch piece 250 positioned below is accurately pressed, and the control accuracy is ensured.

In a specific application, for example, the key assembly is applied to the liquid heating container 40, as shown in fig. 7, a desired beverage, such as water, white fungus soup, mung bean soup, flower and fruit tea, can be selected by rotating the knob 10, and then the user presses the key cover 220 to move the key support 240 downward to trigger the switch member 250 for confirmation. At this time, the circuit board 130 of the liquid heating container 40 may start a corresponding cooking program according to the activation of the encoder 120 and the switch member 250.

Of course, if the user wants to make a reservation for cooking, the user may further rotate the knob 10 after activating the reservation button to select the reservation time, and then press the button cover 220 again to activate the switch member 250 for confirmation. At this time, the circuit board 130 may cook the beverage selected by the knob 10 according to the corresponding cooking program at the appointed time according to the triggering of the encoder 120 and the switch member 250. If the user wants to set the keeping warm time, the user can select the keeping warm time through the knob 10 before or after cooking and confirm it through the switch member 250.

Of course, other selection functions can be provided for the knob 10, such as turning the knob 10, adjusting the heating power, the heating duration, the holding time, and the like. During a cooking process, a plurality of cooking parameters can be selected by the knob 10 and confirmed or canceled by the switch member 250.

Moreover, during the rotation of the knob 10, the display device 230 can display the parameters and the like selected by the knob 10, thereby ensuring the accuracy of the selection. Either for any parameter selected by the knob 10 or partially.

By way of example, the display device 230 is an LED lamp. The parameters such as the preset time, the heating temperature and the like can be displayed, and the operation of pressing the key 20 or rotating the knob 10 by the user can be fed back through the display lamp.

The display device 230 is a display screen, and may display various kinds of display, not limited to displaying numerical values.

As shown in fig. 7 to 9, a second aspect embodiment of the present invention provides a liquid heating vessel 40. Such as kettles, health kettles, brewing devices, and the like. The liquid heating vessel 40 includes a base 420 and a vessel body 410 provided on the base 420, and a key assembly is provided on the base 420.

Further, the container body 410 is connected with the base 420 in an integrated structure. In this case, chassis 420 has a substantially cylindrical shape, and the key assembly is provided on a side wall of chassis 420.

Or further, as shown in fig. 7 to 9, the container body 410 is detachably coupled to the base 420. In this case, the base 420 has a panel region and a mounting region, the panel region is located on one side of the mounting region in the horizontal direction, the container body 410 is disposed in the mounting region, and the key assembly is disposed in the panel region.

Although the embodiments of the present invention have been described in detail above, those skilled in the art may make various modifications and variations to the embodiments of the present invention without departing from the spirit and scope of the utility model. It will be understood that such modifications and variations will still fall within the spirit and scope of the embodiments of the utility model as defined in the appended claims, as seen by those skilled in the art.

Claims (10)

1. The utility model provides a button subassembly, its characterized in that, button subassembly includes knob (10) and button (20), be provided with the button in knob (10) and hold chamber (110), button (20) are in with moving about from top to bottom the button holds in the chamber (110), knob (10) can center on the axis of button (20) is rotatory, button subassembly still includes:

and the sealing ring (30) is arranged between the outer side wall of the key (20) and the inner side wall of the knob (10).

2. The key assembly of claim 1, wherein the sealing ring (30) is sleeved on the outer side wall of the key (20) and can move up and down along with the key (20), and the sealing ring (30) comprises:

the ring main body (310) is sleeved on the outer side wall of the key (20);

the sealing rib (320) is connected to the outer side wall of the ring main body (310) and circumferentially distributed around the ring main body (310), and the sealing rib (320) is abutted to the inner side wall of the knob (10).

3. The key assembly of claim 2, wherein the sealing rib (320) extends from an outer side wall of the ring body (310) to an outer side of the ring body (310) and to a top of the ring body (310) to form an upwardly opening sealing groove (330) between an inner side surface of the sealing rib (320) and the outer side wall of the ring body (310), the outer side surface of the sealing rib (320) abutting the inner side wall of the knob (10).

4. A key assembly according to claim 3, wherein the sealing rib (320) extends in an arc shape in a longitudinal direction; and/or

The sealing rib (320) is connected to the middle of the outer side wall of the ring main body (310) in the height direction.

5. The key assembly according to any one of claims 2 to 4, wherein a locking groove (210) is provided in a circumferential direction of an outer side wall of the key (20), and the ring main body (310) is disposed in the locking groove (210).

6. The key assembly of claim 5, wherein a width of a top groove wall (211) of the card slot (210) is greater than a thickness of the ring body (310);

the thickness range of the ring main body (310) is 1mm to 1.5mm, and the thickness range of the sealing rib (320) is 0.3mm to 0.8 mm;

the width range of the top groove wall (211) of the clamping groove (210) is 1.5mm to 2.5mm, and the width range of the bottom groove wall (212) of the clamping groove (210) is 1mm to 2 mm;

the ring main body (310) and the clamping groove (210) are in interference fit, and the interference is 0.3 mm-0.6 mm.

7. The key assembly of claim 5, wherein the key (20) comprises a key cover (220) at the top, the card slot (210) is arranged at the outer side wall of the key cover (220), and the key cover (220) is embedded and arranged at the top opening of the key accommodating cavity (110);

the key cover (220) is a light-transmitting cover, and the key assembly further comprises a display device (230) arranged in the key (20) and located below the key cover (220).

8. The key assembly of claim 7, wherein the key (20) further comprises a key holder (240), the key cover (220) covers the key holder (240) and encloses a display device accommodating cavity with the key holder (240), the display device (230) is disposed in the display device accommodating cavity, the display device (230) is fixed on a lower surface of the key cover (220) or on the key holder (240), and the key cover (220) is connected to the key holder (240) in a snap-fit manner.

9. The key assembly of claim 8, further comprising a circuit board (130), an encoder (120), and a switch member (250), wherein the encoder (120) and the switch member (250) are each connected to the circuit board (130);

encoder (120) are including fixing inner circle (121) on circuit board (130) and the cover establish inner circle (121) outside rotatable outer lane (122), knob (10) with outer lane (122) of encoder (120) are connected, in order to drive outer lane (122) are rotatory, key-press support (240) with inner circle (121) of encoder (120) swing joint from top to bottom, key-press support (240) set up the top of switch spare (250) is in order to press switch spare (250).

10. A liquid heating vessel (40), characterized in that the liquid heating vessel (40) comprises: a key assembly as claimed in any one of claims 1 to 9, a container body (410) and a base (420), the base (420) being for carrying the container body (410), the key assembly being provided on the base (420).

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