CN216876027U - Cooking utensil - Google Patents

Abstract

An embodiment of the present application provides a cooking utensil, includes: the body is provided with a mounting hole; the first sealing ring is fixed on the body; the control knob comprises a knob assembly, the knob assembly is arranged in the mounting hole and can rotate in the mounting hole, and the first sealing ring is clamped between the knob assembly and the body. According to the cooking utensil provided by the embodiment of the utility model, the first sealing ring is fixed on the body, so that the first sealing ring is stable in position and is not easy to slide and fall off, and the first sealing ring is clamped between the knob assembly and the body, so that the sealing and waterproof effects are achieved, and the electric leakage caused by water inflow in the control knob can be avoided; because seal structure directly sets up in mounting hole department, even the knob subassembly rotates in the mounting hole, also can not cause first sealing washer to break away from the installing port and lead to intaking, solved among the correlation technique along with control knob's rotation, the sealing washer of cover on control knob can produce the clearance between inevitable and the body and the infiltration problem appears.

Description

Cooking utensil

Technical Field

The application relates to the technical field of kitchen utensils, concretely relates to cooking utensil.

Background

The control knob in the prior art has the advantages of convenience in operation, multiple selectable functions and small occupied space, is widely applied to cooking appliances for selecting cooking procedures and cooking duration, is rotationally connected with a body of the cooking appliance, and is generally sleeved with a sealing ring by people to prevent water seepage in order to enhance the sealing property between the control knob and the body and avoid water leakage caused by water seepage; or the circuit board is entirely sheathed by silica gel, thereby playing the role of sealing and water proofing.

However, the sealing ring is easy to slide or even fall off due to the manner that the sealing ring is sleeved on the control knob, so that the waterproof performance is poor, and the sealing ring is not suitable for the situation that the surface of the body is non-planar, for example, under the situation that the control knob is arranged on a cylindrical kettle body such as an electric kettle and a health preserving kettle, the sealing ring sleeved on the control knob is difficult to avoid and has a gap with the body along with the rotation of the control knob due to the radian of the surface of the kettle body, so that the water seepage problem is easy to occur, and the use safety of a product is affected; the scheme of sleeving the whole circuit board with the silica gel sleeve also has the problems of high cost and difficult assembly.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the above-mentioned problems in the prior art or related art.

To this end, a first aspect of the present application is to provide a cooking appliance.

To achieve the above object, an embodiment of a first aspect of the present application provides a cooking appliance, including: the body is provided with a mounting hole; the first sealing ring is fixed on the body; the control knob comprises a knob assembly, the knob assembly is arranged in the mounting hole and can rotate in the mounting hole, and the first sealing ring is clamped between the knob assembly and the body.

The cooking appliance provided by the embodiment of the utility model comprises a body, a first sealing ring and a control knob, wherein the body is provided with a mounting hole, the control knob comprises a knob component, the knob component is arranged in the mounting hole and can rotate in the mounting hole, and function selection can be carried out by rotating the knob component; the first sealing ring is fixed on the body, so that the position of the first sealing ring is stable and the first sealing ring is not easy to slide and fall off; further, because seal structure directly sets up in mounting hole department, even the knob subassembly rotates in the mounting hole, also can not cause first sealing washer to break away from the installing port and lead to intaking, solved among the correlation technique, along with control knob's rotation, the sealing washer of cover on control knob establish can produce the clearance unavoidably between with the body, the infiltration problem appears.

In addition, the cooking utensil provided by the above embodiment of the present application may further have the following additional technical features:

in some embodiments, the body comprises: the inner shell and the outer shell coated on the outer side of the inner shell; the first sealing ring further comprises a first ring of main body, and the outer shell compresses the first ring of main body so as to clamp the first ring of main body between the outer shell and the inner shell.

In the embodiments, the body comprises an inner shell and an outer shell, the outer shell covers the outer side of the inner shell, and the outer shell can be subjected to appearance treatment, so that the texture of the product is increased, and the attractiveness of the product is improved; the first circle main part of first sealing washer presss from both sides and establishes between shell body and interior casing, realizes the fixed connection of first sealing washer and body for the installation of first sealing washer is firm, is difficult for removing and drops.

In some embodiments, the outer wall of the inner shell is provided with a first groove surrounding the periphery of the mounting hole, and the first ring body is positioned in the first groove; the first groove is provided with a convex part, one surface of the first sealing ring, which is attached to the first groove, is provided with a second groove, the second groove is matched with the convex part, and the convex part is clamped in the second groove.

In the embodiments, a circle of first grooves are arranged on the outer wall of the inner shell and around the periphery of the mounting hole, the first circle of main body is mounted in the first grooves, and the first grooves provide space for mounting the first circle of main body, so that the outer shell does not need to protrude outwards when the first circle of main body is clamped between the outer shell and the inner shell, and the attractiveness of the product is improved; furthermore, a protruding part is arranged on the first groove, a second groove is arranged on one surface, attached to the first groove, of the first sealing ring, and the protruding part is clamped in the second groove and used for achieving positioning of the first sealing ring, so that installation of the first sealing ring is facilitated. Further, set up the second recess on the one side that first sealing washer and first recess were laminated mutually, can be used for discerning the direction of first sealing washer.

In some embodiments, the first sealing ring is substantially U-shaped in cross section, and the first sealing ring is wrapped on the inner shell located at the periphery of the mounting hole through a U-shaped opening.

In the embodiments, the cross section of the first sealing ring is substantially U-shaped, the first sealing ring covers the inner shell located at the periphery of the mounting hole through the U-shaped opening, and the first sealing ring can be directly sleeved on the inner shell around the mounting hole through the U-shaped opening during assembly, so that the mounting is convenient, and the first sealing ring is not easy to fall off.

In some embodiments, the first sealing ring includes a first sealing rib that protrudes toward an interior of the mounting hole and surrounds a circle on an inner wall of the mounting hole, the first sealing rib pressing against an outer sidewall of the knob assembly.

In the embodiments, the first sealing rib is arranged in a circle on the inner wall of the mounting hole, so that a circle of sealing structure is arranged along the circumferential direction of the mounting hole, and the sealing effect is ensured.

In some embodiments, the first sealing rib is in interference fit with the outer side wall of the knob assembly, and interference of the first sealing rib and the outer side wall of the knob assembly is 0.1mm to 0.2 mm.

In the embodiments, in order to ensure the sealing effect between the body and the knob assembly, the first sealing rib is arranged to be in interference fit with the outer side wall of the knob assembly, so that the body and the knob assembly are tightly combined; the interference magnitude of the first sealing rib and the outer side wall of the knob assembly is 0.1mm to 0.2mm, on one hand, the knob assembly is guaranteed to be capable of smoothly rotating in the mounting hole, the normal rotation of the knob assembly is prevented from being influenced by the fact that the interference magnitude is too large, on the other hand, the sealing effect between the body and the knob assembly can also be guaranteed, the sealing effect is prevented from being influenced by the fact that the interference magnitude is too small, and the product quality is influenced by the fact that a gap is generated between the knob assembly and the first sealing element and water enters.

In some embodiments, the first sealing bead has a root thickness of 0.6mm to 0.8 mm. So set up for the position that first sealed muscle and first round main part are connected has sufficient thickness, avoids first sealed muscle to be broken and influence the leakproofness of product by the junction.

In some embodiments, the control knob further comprises: the circuit board is provided with a switch key; the button is movably arranged in the through hole and corresponds to the on-off key, and the button can be pressed to trigger the on-off key; and the second sealing ring is fixed on the knob assembly and clamped between the key and the knob assembly.

In the embodiments, it is further explained that the control knob further comprises a circuit board, a key and a second sealing ring, wherein the circuit board is provided with an on-off key, and the on-off key is used for confirming/cancelling functions and commands; the key can be pressed to trigger an on-off key on the circuit board, so that a corresponding function is realized. Further, through fixing the second sealing washer on knob subassembly for the position of second sealing washer is stable, and is difficult for sliding and drops, and, makes the second sealing washer press from both sides and establishes between knob subassembly and button, plays sealed waterproof effect.

In some embodiments, the knob assembly comprises: the knob is in a ring shape, and the first end surface of the knob is exposed out of the body; the knob shell is wrapped on the outer side of the knob, a part of the structure of the knob shell is bent to form a first folding edge, the first folding edge is located on the outer side of the first end face and has a gap with the first end face, and the second sealing ring is tightly mounted in the gap.

In the embodiments, the knob assembly comprises a knob and a knob shell, the knob shell covers the outer side of the knob, a gap for fixedly installing a second sealing ring is formed between the knob shell and the knob, and the second sealing ring is installed in the gap, so that the second sealing ring is stably installed and is not easy to move and fall off; specifically, a part of the structure of the knob shell is bent to form a first folding edge, the first folding edge is positioned on the outer side of the first end face of the knob and has a gap with the first end face, and the second sealing ring is tightly installed in the gap.

In some embodiments, the knob housing further comprises a second flange connected to the first flange, the second flange extending toward a direction close to the first end surface, and the second flange covering a portion of the opening of the gap; the second sealing ring further comprises a second ring main body and a second sealing rib, the second ring main body is located in the gap, the second sealing rib extends out of the opening of the gap and extrudes the outer side wall of the key, and the second sealing rib protrudes towards the inside of the through hole and surrounds into a circle on the inner wall of the through hole.

In these embodiments, it is further described that the knob housing further includes a second folded edge, and the second folded edge covers a part of the opening of the gap, and can stop the second sealing ring, so as to prevent the second sealing ring from coming off from the opening, further improve the mounting stability of the second sealing ring, and prevent the second sealing ring from moving and falling off; further, the second sealing washer includes that the second encloses main part and the sealed muscle of second, and the second encloses the main part and is arranged in the clearance, realizes the fixed connection of second sealing washer and knob subassembly, and easy to assemble just is difficult for droing, and the sealed muscle of second stretches out and extrudeing the lateral wall of button by the opening part in clearance, ensures sealed effect.

In some embodiments, the control knob further comprises: the encoder is arranged on the circuit board and comprises an inner ring fixed on the circuit board and an outer ring sleeved outside the inner ring and rotatable, and the switch key is arranged in the inner ring; the knob is connected with the outer ring to drive the outer ring to rotate, and the key is movably arranged in the inner ring.

In these embodiments, it is further described that the control knob further includes an encoder, such that the knob is connected to an outer ring of the encoder, and rotation of the knob can rotate the outer ring, thereby selecting a function. The key is movably arranged in the inner ring of the encoder, and the on-off key is also arranged in the inner ring, so that the on-off key can be triggered when the key moves in the inner ring, the operation is convenient, and the key can be limited by the inner ring of the encoder, so that the key is prevented from being easily separated; furthermore, the keys are arranged in the inner ring space of the encoder, the middle space of the encoder can be reasonably utilized, the overall structure of the control knob is compact, and miniaturization of products is facilitated.

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 application will become more apparent from the following description of embodiments thereof taken in conjunction with the accompanying drawings, in which:

fig. 1 shows a schematic cross-sectional view of a cooking appliance of an embodiment of the present application;

FIG. 2 shows an enlarged view of a portion of FIG. 1 at I;

fig. 3 shows an exploded view of a part of the structure of a cooking appliance of an embodiment of the present application;

FIG. 4 shows a schematic cross-sectional view of a portion of a cooking appliance of an embodiment of the present application;

fig. 5 shows an exploded schematic view of a knob assembly of a cooking appliance of an embodiment of the present application;

FIG. 6 illustrates a cross-sectional schematic view of a knob assembly of a cooking appliance of an embodiment of the present application;

fig. 7 shows a schematic structural diagram of a circuit board of a cooking appliance of an embodiment of the present application;

fig. 8 shows an exploded view of a cooking appliance of an embodiment of the present application;

fig. 9 shows a schematic structural diagram of a cooking appliance according to an embodiment of the present application.

The reference numbers illustrate:

10 cooking utensil, 110 body, 111 mounting hole, 112 inner shell, 1121 first groove, 1122 bulge, 113 outer shell, 120 first sealing ring, 121 first ring main body, 1211 second groove, 122 first sealing rib, 130 knob component, 131 knob, 132 knob outer shell, 1321 first folding edge, 1322 second folding edge, 140 circuit board, 141 on-off key, 142 encoder, 1421 outer ring, 1422 inner ring, 1423 catching groove, 150 key, 1501 catch, 151 second sealing ring, 1511 second ring main body, 1512 second sealing rib and 152 reset spring.

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 product when it is in a normal use state 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 cooking appliance 10 provided by an embodiment of the present invention will be described with reference to fig. 1 to 9.

As shown in fig. 1 to 4, a first aspect embodiment of the present application provides a cooking appliance 10, including: a body 110, wherein the body 110 is provided with a mounting hole 111; a first seal ring 120 fixed to the body 110; the control knob comprises a knob assembly 130, the knob assembly 130 is arranged in the mounting hole 111 and can rotate in the mounting hole 111, and the first sealing ring 120 is clamped between the knob assembly 130 and the body 110.

The cooking appliance 10 provided by the embodiment of the present invention includes a body 110, a first sealing ring 120 and a control knob, the body 110 has a mounting hole 111, the control knob includes a knob assembly 130, the knob assembly 130 is disposed in the mounting hole 111 and can rotate in the mounting hole 111, and function selection can be performed by rotating the knob assembly 130; the first sealing ring 120 is fixed on the body 110, so that the position of the first sealing ring 120 is stable and is not easy to slide and fall off, and the first sealing ring 120 is clamped between the knob assembly 130 and the body 110, so that the sealing and waterproof effects are achieved, and electric leakage caused by water inflow in the control knob can be avoided; further, because seal structure directly sets up in mounting hole 111 department, even knob subassembly 130 rotates in mounting hole 111, can not cause first sealing washer 120 to break away from the installing port and lead to intaking yet, solved among the relevant art, along with control knob's rotation, the sealing washer of cover on control knob can not avoid and body 110 between produce the clearance, the infiltration problem appears.

As to the specific structure of the body 110, in some embodiments, as shown in fig. 2, 3 and 4, the body 110 includes: the first seal ring 120 further includes a first ring body 121, the outer shell 113 tightly presses the first ring body 121, so that the first ring body 121 is sandwiched between the outer shell 113 and the inner shell 112.

In these embodiments, the body 110 includes an inner shell 112 and an outer shell 113, the outer shell 113 covers the outer side of the inner shell 112, the outer shell 113 can be processed in appearance, so as to increase the texture of the product and improve the aesthetic property of the product; the first ring main body 121 of the first sealing ring 120 is clamped between the outer shell 113 and the inner shell 112, so that the first sealing ring 120 is fixedly connected with the body 110, and the first sealing ring 120 is stably installed and is not easy to move and fall off.

Specifically, the inner shell 112 is made of a high-temperature resistant material, and the outer shell 113 is made of a hardware material or other materials capable of being used for appearance treatment, so that the texture of the product is improved, and the attractiveness is improved.

In one embodiment of the present application, as shown in fig. 4, the outer casing 113 is pressed against the outer side of the inner casing 112 by spinning.

In some embodiments, as shown in fig. 3, a first groove 1121 is formed on an outer wall of the inner housing 112 and surrounds the outer periphery of the mounting hole 111, the first ring body 121 is located in the first groove 1121, a protrusion 1122 is formed on the first groove 1121, a second groove 1211 is formed on a surface of the first sealing ring 120, which is attached to the first groove 1121, the second groove 1211 is adapted to the protrusion 1122, and the protrusion 1122 is clamped in the second groove 1211.

In these embodiments, a ring of first grooves 1121 is provided on the outer wall of the inner housing 112 at a position around the outer circumference of the mounting hole 111, the first ring body 121 is mounted in the first grooves 1121, the first grooves 1121 provides a space for mounting the first ring body 121, so that in the case that the first ring body 121 is sandwiched between the outer housing 113 and the inner housing 112, the outer housing 113 does not need to protrude outward, and the aesthetic property of the product is improved; further, a protrusion 1122 is disposed on the first groove 1121, a second groove 1211 is disposed on a surface of the first sealing ring 120, which is attached to the first groove 1121, and the protrusion 1122 is clamped in the second groove 1211 for positioning the first sealing ring 120, which is beneficial to the installation of the first sealing ring 120. Further, the second groove 1211 is disposed on a surface of the first sealing ring 120, which is attached to the first groove 1121, and can be used to identify the direction of the first sealing ring 120.

Specifically, as shown in fig. 3, the protruding portion 1122 may be a convex point or a convex column with a circular shape, a square shape, a rectangular shape, etc., and has a simple structure and is easy to process and produce.

Specifically, as shown in fig. 3, in the case that the body 110 has a cylindrical arc surface, the first seal ring 120 is also designed to have a cylindrical arc surface, so as to better fit the first groove 1121, the first seal ring 120 has directionality, and the second groove 1211 can be used to identify the direction of the first seal ring 120, so as to prevent the first seal ring from being installed reversely.

With respect to the specific structure of the first sealing ring 120, in some embodiments, as shown in fig. 2 and 4, the cross section of the first sealing ring 120 is substantially U-shaped, and the first sealing ring 120 covers the inner housing 112 at the periphery of the mounting hole 111 through the U-shaped opening.

In these embodiments, the cross section of the first sealing ring 120 is substantially U-shaped, and the first sealing ring 120 covers the inner casing 112 at the periphery of the mounting hole 111 through the U-shaped opening, so that the first sealing ring can be directly sleeved on the inner casing 112 around the mounting hole 111 through the U-shaped opening during assembly, thereby facilitating installation and preventing falling off.

In some embodiments, the first sealing ring 120 includes a first sealing rib 122, the first sealing rib 122 protrudes toward the inside of the mounting hole 111 and forms a circle on the inner wall of the mounting hole 111, and the first sealing rib 122 presses the outer side wall of the knob assembly 130.

In these embodiments, the sealing effect is ensured by making the first sealing rib 122 enclose a circle on the inner wall of the mounting hole 111, so that a circle of sealing structure is provided along the circumferential direction of the mounting hole 111.

In one embodiment, the first sealing ring 120 includes a first ring main body 121 and a first sealing rib 122, the first ring main body 121 is fixedly connected to the body 110, and the first sealing rib 122 is used for sealing a gap between the knob assembly 130 and the body 110. Wherein, the first sealing rib 122 is connected to the inner side wall of the first ring body 121 and circumferentially distributed around the first ring body 121, and the first sealing rib 122 presses the outer side wall of the knob assembly 130 to ensure the sealing effect.

In some embodiments, the first sealing rib 122 is in interference fit with the outer sidewall of the knob assembly 130, and the interference between the first sealing rib 122 and the outer sidewall of the knob assembly 130 is 0.1mm to 0.2 mm.

In these embodiments, in order to ensure the sealing effect between the body 110 and the knob assembly 130, the first sealing rib 122 is disposed in an interference fit with the outer side wall of the knob assembly 130, so that the two are tightly combined; the interference magnitude of the first sealing rib 122 and the outer side wall of the knob assembly 130 is 0.1mm to 0.2mm, on one hand, the knob assembly 130 can be enabled to smoothly rotate in the mounting hole 111, the normal rotation of the knob assembly 130 due to the fact that the interference magnitude is too large is avoided, on the other hand, the sealing effect between the body 110 and the knob assembly 130 can also be ensured, the sealing effect due to the fact that the interference magnitude is too small is avoided, and the product quality is affected due to the fact that the gap between the knob assembly 130 and the first sealing element is generated to allow water to enter. Preferably, the interference between the first sealing rib 122 and the outer sidewall of the knob assembly 130 is 0.2 mm.

In some embodiments, the root thickness of the first sealing bead 122 is 0.6mm to 0.8 mm. So set up for the position that first sealing rib 122 and first circle main part 121 are connected has sufficient thickness, avoids first sealing rib 122 to influence the leakproofness of product by the junction fracture. Preferably, the root thickness of the first sealing rib 122 is 0.7 mm.

With respect to the specific structure of the control knob, in some embodiments, as shown in fig. 2, 5, 6, 7 and 8, the control knob further comprises: a circuit board 140, on the circuit board 140, a switch key 141 is provided; the button 150, the knob assembly 130 is provided with a through hole, the button 150 is movably arranged in the through hole, the button 150 is arranged corresponding to the on-off key 141, and the button 150 can be pressed to trigger the on-off key 141; and a second sealing ring 151 fixed to the knob assembly 130, wherein the second sealing ring 151 is interposed between the button 150 and the knob assembly 130.

In these embodiments, it is further explained that the control knob further includes a circuit board 140, a key 150 and a second sealing ring 151, an on-off key 141 is disposed on the circuit board 140, and the on-off key 141 is used for confirming/canceling functions and commands; the key 150 can be pressed to activate the switch 141 on the circuit board 140 to implement the corresponding function. Further, the second sealing ring 151 is fixed on the knob assembly 130, so that the second sealing ring 151 is stable in position and is not easy to slide and fall off, and the second sealing ring 151 is clamped between the knob assembly 130 and the key 150 to achieve the sealing and waterproof effects. Specifically, the knob assembly 130 is provided with a through hole, the key 150 is movably disposed in the through hole and corresponds to the position of the on-off switch 141, and the key 150 is disposed in the through hole of the knob assembly 130, so that the functions of the key 150 and the knob assembly 130 can be integrated on the control knob, and the control knob has multiple functions, occupies a small space, and does not need to configure an additional installation space for the key 150.

With respect to the specific structure of the knob assembly 130, in some embodiments, as shown in fig. 2, 5, and 6, the knob assembly 130 includes: the knob 131, the knob 131 is substantially annular, and a first end surface of the knob 131 is exposed out of the body 110; the knob shell 132 is wrapped on the outer side of the knob 131, a part of the structure of the knob shell 132 is bent to form a first folded edge 1321, the first folded edge 1321 is located on the outer side of the first end face and has a gap with the first end face, and the second sealing ring 151 is tightly mounted in the gap.

In these embodiments, the knob assembly 130 includes a knob 131 and a knob housing 132, the knob housing 132 covers the outside of the knob 131, and forms a gap for fixedly mounting the second sealing ring 151 with the knob 131, and the second sealing ring 151 is mounted in the gap, so that the second sealing ring 151 is stably mounted and is not easily moved and falls off; specifically, a part of the structure of the knob housing 132 is bent to form a first folded edge 1321, the first folded edge 1321 is located outside the first end face of the knob 131 and has a gap with the first end face, and the second sealing ring 151 is tightly installed in the gap.

Further, in some embodiments, as shown in fig. 6, the knob housing 132 further includes a second flange 1322 connected to the first flange 1321, the second flange 1322 extends toward a direction close to the first end surface, and the second flange 1322 blocks a portion of the opening of the gap; the second sealing ring 151 further includes a second ring main body 1511 and a second sealing rib 1512, the second ring main body 1511 is located in the gap, the second sealing rib 1512 protrudes from the opening of the gap and presses the outer sidewall of the key 150, and the second sealing rib 1512 protrudes toward the inside of the through hole and encloses a ring on the inner wall of the through hole.

In these embodiments, it is further illustrated that the knob housing 132 further includes a second folded edge 1322, where the second folded edge 1322 covers a part of the opening of the gap, and can stop the second sealing ring 151, so as to prevent the second sealing ring 151 from coming off from the opening, further improving the installation stability of the second sealing ring 151, and being not easy to move and fall off; further, the second sealing ring 151 includes a second ring main body 1511 and a second sealing rib 1512, the second ring main body 1511 is located in the gap, so as to realize the fixed connection between the second sealing ring 151 and the knob assembly 130, the installation is convenient and the falling is not easy, the second sealing rib 1512 extends out from the opening of the gap and extrudes the outer side wall of the key 150, thereby ensuring the sealing effect.

Optionally, the knob 131 may be made of a plastic material, and the knob housing 132 may be made of a hardware material or other materials that can be used for appearance treatment, so as to increase the texture of the product and improve the aesthetic property.

In one embodiment of the present application, as shown in fig. 6, a hardware knob housing 132 is pressed onto the outer side of the knob 131 by means of spinning.

In some embodiments, as shown in fig. 2, 7 and 8, the control knob further comprises: the encoder 142 is arranged on the circuit board 140, the encoder 142 comprises an inner ring 1422 fixed on the circuit board 140 and an outer ring 1421 sleeved outside the inner ring 1422 and rotatable, and the switch key 141 is arranged in the inner ring 1422; the knob 131 is connected to the outer ring 1421 to rotate the outer ring 1421, and the button 150 is movably disposed in the inner ring 1422.

In these embodiments, it is further illustrated that the control knob further includes an encoder 142, such that the knob 131 is connected to an outer ring 1421 of the encoder 142, and rotation of the knob 131 can rotate the outer ring 1421, thereby selecting a function. The key 150 is movably arranged in the inner ring 1422 of the encoder 142, and the on-off key 141 is also arranged in the inner ring 1422, so that the on-off key 141 can be triggered when the key 150 moves in the inner ring 1422, which is convenient for operation, and the key 150 can be limited by the inner ring 1422 of the encoder 142, so as to prevent the key 150 from being easily separated; further, the key 150 is disposed in the space of the inner ring 1422 of the encoder 142, so that the middle space of the encoder 142 can be reasonably utilized, the overall structure of the control knob is compact, and the miniaturization of the product is facilitated.

As shown in fig. 7 and 8, in some embodiments, the button 150 is provided with a catch 1501, the inner ring 1422 is provided with a catch groove 1423, the length of the catch groove 1423 extends along the axial direction of the inner ring 1422, and the catch 1501 can move along the length direction of the catch groove 1423 until the catch is caught on the edge of the catch groove 1423; the control knob further comprises a return spring 152, the return spring 152 is arranged between the key 150 and the knob 131, the key 150 can be pressed to press the return spring 152 to trigger the switch key 141, and the key 150 can be reset under the elastic force of the return spring 152 and is buckled on the edge of the buckling groove 1423.

In these embodiments, the button 150 is further limited to be snap-fit connected to the inner ring 1422, so that the connection structure between the button 150 and the encoder 142 is simple and convenient to assemble. Specifically, the button 150 is provided with the buckle 1501, the inner ring 1422 is provided with the catching groove 1423, and the length of the catching groove 1423 extends along the axial direction of the inner ring 1422, so that the buckle 1501 can move along the length direction of the catching groove 1423 until the buckle is buckled to the edge of the catching groove 1423, the button 150 can be movably connected with the inner ring 1422 of the encoder 142 through the matching of the buckle 1501 and the catching groove 1423, and the button 150 can be prevented from being separated from the encoder 142 when moving upwards. Further, a return spring 152 is further arranged between the key 150 and the knob 131, which is beneficial to improving the pressing hand feeling of the user and ensuring that the key 150 can be returned. Moreover, the elastic force of the return spring 152 is beneficial to make the buckle 1501 stably buckled on the edge of the buckling groove 1423, thereby ensuring the installation stability of the key 150.

In some embodiments, the second sealing rib 1512 is in interference fit with the key 150, and the interference between the second sealing rib 1512 and the key 150 is 0.1mm to 0.4 mm.

In these embodiments, in order to ensure the sealing effect between the key 150 and the knob assembly 130, the second sealing rib 1512 is disposed in an interference fit with the outer sidewall of the key 150, so that the bonding between the two is tight; by making the interference between the second sealing rib 1512 and the key 150 be 0.1mm to 0.4mm, on one hand, it is ensured that the key 150 can move smoothly in the through hole, and the influence of the large interference on the normal movement of the key 150 is avoided, and on the other hand, the sealing effect between the key 150 and the knob assembly 130 can also be ensured, and the influence of the small interference on the sealing effect, which causes the influence of the water entering from the gap between the key 150 and the second sealing member, on the product quality is avoided. Preferably, the interference between the second sealing rib 1512 and the key 150 is 0.3 mm.

In some embodiments, the thickness of the root of the second sealing rib 1512 cannot be too thick, which may affect the up-down/inside-out movement of the key 150, so that the root structure of the second sealing rib 1512 may be set, an arc transition structure is disposed at a position where the second sealing rib 1512 is connected to the second ring main body 1511, and the connection structure between the second sealing rib 1512 and the second ring main body 1511 is strengthened under the condition that the thickness of the root of the second sealing rib 1512 is small, thereby preventing the second sealing rib 1512 from being broken at the connection position.

As shown in fig. 8 and 9, in some embodiments, the cooking appliance 10 is a liquid heating vessel including a base and a vessel body, the base being the body 110 described above, and the control knob being disposed on the base.

Further, as shown in fig. 8 and 9, the container body may be integrally connected to the base, in which case the base is substantially cylindrical and the control knob is provided on a sidewall of the base.

Or further, the container body is detachably connected with the base. At this time, the base is provided with a panel area and a mounting area, the panel area is positioned at one side of the mounting area in the horizontal direction, the container body is arranged in the mounting area, and the control knob is arranged in the panel area.

In some embodiments, the liquid heating vessel may be a kettle, a health preserving kettle, a brewing device, or the like.

In a specific application, for example, the control knob is applied to a liquid heating container, the desired beverage, such as water, white fungus soup, mung bean soup, flower and fruit tea, etc., can be selected by rotating the knob assembly 130, and the on-off switch 141 is activated by pressing the button 150 for confirmation. At this time, the circuit board 140 of the liquid heating container can start the corresponding cooking program according to the triggering of the encoder 142 and the switch 141.

Of course, if the user wants to reserve cooking, the user may continuously rotate the knob assembly 130 to select a reserved time after activating the reservation button 150, and then press the button 150 to activate the on/off switch 141 for confirmation. At this time, the circuit board 140 may cook the beverage selected by the knob assembly 130 according to the corresponding cooking program at the appointed time according to the triggering of the encoder 142 and the switch key 141. If the user wants to set the warm-up time, the user can select the warm-up time through the knob assembly 130 before or after cooking, and confirm the time through the on-off key 141.

Of course, other selection functions may be provided for the knob assembly 130, such as rotating the knob assembly 130, adjusting the heating power, the heating duration, the holding time, and the like. During one cooking process, a plurality of cooking parameters can be selected through the knob assembly 130, and confirmed or cancelled through the on-off key 141.

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. A cooking appliance (10), comprising:

a body (110), wherein the body (110) is provided with a mounting hole (111);

a first seal ring (120) fixed to the body (110);

the control knob comprises a knob component (130), the knob component (130) is arranged in the mounting hole (111) and can rotate in the mounting hole (111), and the first sealing ring (120) is clamped between the knob component (130) and the body (110).

2. The cooking appliance (10) of claim 1, wherein the body (110) comprises:

an inner housing (112) and an outer housing (113) covering the outside of the inner housing (112); the first sealing ring (120) further comprises a first ring body (121),

the outer shell (113) compresses the first ring body (121) to sandwich the first ring body (121) between the outer shell (113) and the inner shell (112).

3. The cooking appliance (10) according to claim 2,

a first groove (1121) surrounding the periphery of the mounting hole (111) is formed in the outer wall of the inner shell (112), and the first ring body (121) is located in the first groove (1121);

the first groove (1121) is provided with a protruding portion (1122), one surface, attached to the first groove (1121), of the first sealing ring (120) is provided with a second groove (1211), the second groove (1211) is matched with the protruding portion (1122), and the protruding portion (1122) is clamped in the second groove (1211).

4. The cooking appliance (10) of claim 2,

the cross section of the first sealing ring (120) is generally U-shaped, and the first sealing ring (120) is coated on the inner shell (112) positioned at the periphery of the mounting hole (111) through a U-shaped opening.

5. The cooking appliance (10) of claim 1,

the first sealing ring (120) comprises a first sealing rib (122),

the first sealing rib (122) protrudes towards the inside of the mounting hole (111) and forms a circle on the inner wall of the mounting hole (111), and the first sealing rib (122) presses the outer side wall of the knob assembly (130).

6. The cooking appliance (10) according to claim 5,

the first sealing rib (122) is in interference fit with the outer side wall of the knob assembly (130), and the interference magnitude of the first sealing rib (122) and the outer side wall of the knob assembly (130) is 0.1 mm-0.2 mm; and/or

The root thickness of the first sealing rib (122) is 0.6mm to 0.8 mm.

7. The cooking appliance (10) according to any one of claims 1 to 6, wherein the control knob further comprises:

the circuit board (140), the switch key (141) is arranged on the circuit board (140);

the button (150), a through hole is arranged on the knob component (130), the button (150) is movably arranged in the through hole, the button (150) is arranged corresponding to the on-off key (141), and the button (150) can be pressed to trigger the on-off key (141);

and the second sealing ring (151) is fixed on the knob component (130), and the second sealing ring (151) is clamped between the key (150) and the knob component (130).

8. The cooking appliance (10) of claim 7, wherein the knob assembly (130) comprises:

a knob (131), the knob (131) being substantially annular, a first end surface of the knob (131) being exposed to the body (110);

the knob shell (132) is wrapped on the outer side of the knob (131), part of the structure of the knob shell (132) is bent to form a first folded edge (1321), the first folded edge (1321) is located on the outer side of the first end face, a gap is reserved between the first folded edge and the first end face, and the second sealing ring (151) is tightly installed in the gap.

9. The cooking appliance (10) according to claim 8,

the knob housing (132) further comprises a second folded edge (1322) connected with the first folded edge (1321), the second folded edge (1322) extends towards the direction close to the first end face, and the second folded edge (1322) shields a part of the opening of the gap;

the second sealing ring (151) further comprises a second ring main body (1511) and a second sealing rib (1512), the second ring main body (1511) is located in the gap, the second sealing rib (1512) extends out of the opening of the gap and extrudes the outer side wall of the key (150), and the second sealing rib (1512) faces towards the inner protrusion of the through hole and surrounds the inner wall of the through hole into a ring.

10. The cooking appliance (10) of claim 9, wherein the control knob further comprises:

the encoder (142) is arranged on the circuit board (140), the encoder (142) comprises an inner ring (1422) fixed on the circuit board (140) and an outer ring (1421) sleeved outside the inner ring (1422) and capable of rotating, and the switch key (141) is arranged in the inner ring (1422);

the knob (131) is connected with the outer ring (1421) to drive the outer ring (1421) to rotate, and the key (150) is movably arranged in the inner ring (1422).

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