CN217544441U - Waterproof knob structure and cooking utensil - Google Patents

Abstract

The application discloses a waterproof knob structure and a cooking appliance, wherein the waterproof knob structure comprises a knob, a mounting seat, a switch, a movable sealing element and a static sealing element, the movable sealing element is fixed on the knob and synchronously rotates with the knob, the static sealing element is arranged on the mounting seat, the switch comprises a switch seat fixedly connected with the mounting seat and a rotating shaft rotatably connected with the switch seat, the mounting seat is provided with a rotating shaft hole for the rotating shaft to extend out, the knob is connected with one end of the rotating shaft and can rotate relative to the mounting seat, the movable sealing element is provided with a movable sealing part, the static sealing element is provided with a static sealing part, and the movable sealing part and the static sealing part are abutted to realize dynamic sealing of the rotating shaft hole when the movable sealing element rotates relative to the static sealing element; the cooking utensil comprises a machine body and the waterproof knob structure arranged on the machine body. The movable sealing element and the static sealing element in the application are mutually matched, so that a good protection effect can be realized on the rotating shaft hole, external water stain is avoided from entering the rotating shaft hole, and powerful protection can be formed on an internal electronic component.

Description

Waterproof knob structure and cooking utensil

Technical Field

The application belongs to the technical field of kitchen appliances, concretely relates to waterproof knob structure and cooking utensil.

Background

Many current household electrical appliances can adopt the knob structure to realize the selection or the switching of corresponding function, gear etc. and common knob structure generally has mechanical type knob structure and induction type knob structure, and wherein mechanical type knob structure generally adopts encoder or reset switch to realize the control to household electrical appliances, and mechanical type knob structure receives many consumers' favor because of its cost is lower and operate the feel better. For the mechanical knob structure, one end of the mechanical knob structure is usually connected with an electronic component, and generally, the mechanical knob structure cannot be wetted and affected by moisture, otherwise, the mechanical knob structure may cause abnormal functions and even burn out due to short circuit. Therefore, how to improve the sealing performance of the mechanical knob structure becomes a technical problem of important attention in the field.

Mechanical type knob structure is most including the knob and by the rotatory pivot of knob drive, waterproof knob structure among the prior art, use the sealing member more and adopt axial seal and/or radial seal's form to hold the pivot tightly and/or not hold the pivot tightly but need raise the last border of sealing member and make its measure that is far above the up end in pivot hole with water stain etc. to external world keep apart, however the mode of sealing member holding the pivot tightly is unfavorable for the smooth and easy rotation of pivot, and the form of raising the last border of sealing member often needs the length of synchronous extension pivot, thereby make whole knob structure height size increase and obtrusive in the installation terminal surface of corresponding product. And the sealing mode in the prior art is only suitable for the regular structure that the rotating shaft is a cylindrical shaft, and the cylindrical rotating shaft is easy to slip in the synchronous rotation process with the knob, so that the corresponding switching function cannot be realized, and more special-shaped rotating shafts are matched with the knob to realize synchronous rotation. However, for the rotating shaft with a special-shaped structure, the sealing effect of the simple form of axial sealing and/or radial sealing is not good, because the middle of the existing sealing element is a circular through hole, which cannot realize tight wrapping of the special-shaped rotating shaft, thereby causing the reduction of the sealing performance, and if the through hole in the middle of the sealing element is designed into a special-shaped hole matched with the special-shaped rotating shaft, although the special-shaped rotating shaft can be tightly wrapped, the smooth rotation of the rotating shaft is hindered by the tight wrapping mode, and the sealing element rotates synchronously with the rotating shaft, and the sealing element also deforms due to resistance, thereby affecting the sealing performance.

SUMMERY OF THE UTILITY MODEL

The present application provides a solution to at least one of the above technical problems.

The technical scheme adopted by the application is as follows:

the utility model provides a waterproof knob structure, includes knob, mount pad and switch, the switch include with the switch seat that the mount pad links firmly and with the switch seat rotates the pivot of connecting, the mount pad is equipped with the confession the pivot hole that the pivot stretches out, the knob with the one end of pivot links to each other and for the mount pad is rotatable, waterproof knob structure is still including being fixed in the knob with the knob synchronous revolution move the sealing member and set up in the quiet sealing member of mount pad, it has the dynamic seal portion to move the sealing member, quiet sealing member has the static seal portion, move the sealing portion with the static seal portion offsets in order to realize it is relative to move the sealing member it is right when rotatory to move the dynamic seal in pivot hole.

The waterproof knob structure also has the following additional technical features:

the knob is provided with a positioning part connected with the rotating shaft, the movable sealing element is sleeved on the outer side of the positioning part, and the movable sealing element is provided with an annular sealing end face in interference fit with the positioning part.

One of the movable sealing element and the knob is provided with a rotation stopping groove, the other of the movable sealing element and the knob is provided with a rotation stopping convex rib matched with the rotation stopping groove, and the movable sealing element is limited by the stop of the rotation stopping groove and the rotation stopping convex rib to realize relative rest with the knob.

The static sealing element comprises a sealing body and an upper sealing lip edge fixedly connected with the sealing body, the sealing body is provided with a through hole for the rotating shaft to pass through, the dynamic sealing element downwards compresses the upper sealing lip edge to form the dynamic sealing part at the lower part of the dynamic sealing element, and the static sealing part is formed at the upper sealing lip edge.

The mount pad be equipped with the mounting groove of pivot hole intercommunication, quiet sealing member inlays to be located in the mounting groove, quiet sealing member still include with the circumference sealing lip limit that the sealing body links firmly, the circumference sealing lip limit with the inner wall interference fit of mounting groove.

One end of the circumferential sealing lip is fixedly connected with the sealing body, and the other end of the circumferential sealing lip obliquely extends upwards to abut against the inner wall of the mounting groove.

The seal body is provided with a plurality of the circumferential sealing lips at intervals along an axial direction thereof.

The mount pad be equipped with the turn trough of the lower border adaptation of knob, the turn trough includes inside wall and lateral wall, the last border of inside wall is higher than the last border of lateral wall.

The application also discloses cooking utensil, including the organism, still include as above waterproof knob structure, the mount pad with the organism links firmly.

The cooking utensil also has the following additional technical characteristics:

the machine body comprises a base, a first holding part fixedly connected with the base, an inner pot with a cooking cavity and a second holding part fixedly connected with the inner pot, the first holding part and the second holding part are connected with each other and matched to form a holding handle, and the mounting seat is arranged on the second holding part.

Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:

1. move the sealing member in this application and be fixed in the knob and along with knob synchronous revolution, quiet sealing member is fixed in the mount pad, move the static seal under both relative quiescent conditions and the dynamic seal under both relative motion states that sealing member and quiet sealing member have been realized through the butt of moving sealing part and quiet sealing part, avoided external water stain pivot hole on the joint position department flow direction mount pad through moving sealing member and quiet sealing member to form the protection to inside electronic components.

In addition, the dynamic seal piece in this application is installed in the knob, and static seal piece is fixed in the mount pad, and there is not the relation of connection between static seal piece and the pivot, also there is not the relation of connection between dynamic seal piece and the pivot, and the pivot rotates the in-process and can not take place to interfere with static seal piece, dynamic seal piece, consequently the dynamic seal piece in this application and static seal piece neither can hinder the rotatory smooth and easy nature of pivot, also can not cause loss and deformation because of taking place the friction with the pivot. And the setting position and the form that set up of moving sealing member and static sealing member make this application do not specifically limit to the shape of pivot in this application, and it both can adopt the cylinder type pivot, also can adopt heterotypic pivot, no matter what kind of pivot is adopted, moves sealing member and static sealing member and can both cooperate and accomplish the protection to the pivot hole, has consequently enlarged pivot and knob complex optional space, has enlarged the range of application.

2. As an preferred embodiment of this application, move the sealing member and cup joint in the outside of the location portion of knob and move sealing member and location portion seal fit to realize moving the dynamic seal of sealing member along with the knob rotation in-process, avoid external water stain to get into the pivot hole through the hookup location department of moving sealing member and knob, promoted waterproof and moisture proof.

Furthermore, the movable sealing element and the knob are relatively static through the stopping limit of the rotation stopping groove and the rotation stopping convex rib, so that the relative rotation of the movable sealing element and the knob is avoided in the rotating process, the phenomenon that the movable sealing element is deformed to finally cause sealing failure due to relative rotation is avoided, and the service life of the movable sealing element is prolonged.

3. As a preferred embodiment of the present application, the static seal has an upper sealing lip, and the dynamic seal compresses the upper sealing lip downward to achieve sealing with the static seal in an interference fit, and compared with the technical scheme that the dynamic seal and the static seal are sealed in the circumferential direction of the dynamic seal and the static seal, the present embodiment achieves sealing by the lower portion of the dynamic seal and the upper portion of the static seal, and not only can maintain the static sealing between the dynamic seal and the static seal in a mutually static state due to a good compression effect after the two are assembled, but also can ensure a dynamic sealing effect between the dynamic seal and the static seal without causing a large obstruction to the rotation of the dynamic seal when the dynamic seal rotates relative to the static seal.

Further, as a preferable example in the present embodiment, the linear sealing can be realized by reducing the contact area between the dynamic seal portion and the static seal portion as much as possible, so that the sealing performance between the dynamic seal portion and the static seal portion can be ensured while the smoothness of the rotation of the dynamic seal portion is ensured.

4. As an optimal implementation of this application, the mount pad is equipped with the mounting groove with pivot hole intercommunication, quiet sealing member inlays to be located in the mounting groove, and quiet sealing member have with the inner wall interference fit's of mounting groove circumference sealing lip limit, compare in quiet sealing member directly set up in pivot hole department with the technical scheme in sealed pivot hole, this implementation can directly imbed the mounting groove with quiet sealing member, simple to operate is swift, and quiet sealing member passes through circumference sealing lip limit and mounting groove and realizes radial seal, avoided external water stain to get into the pivot hole from the cooperation department of mounting groove and quiet sealing member.

Furthermore, the static sealing element is provided with a plurality of circumferential sealing lips along the axial direction, so that the axial sealing of the static sealing element on the mounting groove is realized, and the sealing effect is further improved.

5. As an optimal implementation mode of this application, the mount pad be equipped with the turn trough of the lower border adaptation of knob, the setting of turn trough can provide the direction to the installation of knob and the rotation in the assembly back use, promotes assembly efficiency, improves rotatory operation in the use and feels. The rotary trough includes that inside wall and last border are less than the lateral wall at the last border of inside wall, because of the last border of lateral wall highly lower, consequently have water to steep when getting into the rotary trough when the external world, water soaks the accumulation volume can flow from lateral wall one side when being higher than the last border of lateral wall, reduces the water soaks the accumulation volume, also reduces water soaks and gets into the inside possibility of knob structure through inside wall one side overflow, promotes the safeguard effect.

6. The application discloses cooking utensil, it includes the organism and sets up in the organism waterproof knob structure often needs the user to wash in the cooking utensil use, and when it adopts this application waterproof knob structure during, can form the protection to its inside electronic components well, both promoted the security performance, guaranteed inside electronic components's normal operating again, promote cooking utensil's stability and reliability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is an exploded view of the cooking appliance according to an embodiment of the present application.

Fig. 2 is a sectional view of the cooking appliance according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a of fig. 2.

FIG. 4 is a perspective view of a dynamic seal according to an embodiment of the present application.

Fig. 5 is a perspective view of the dynamic seal and the knob after assembly according to an embodiment of the present disclosure.

Wherein the content of the first and second substances,

1. a base; 2. a first holding portion; 3. an inner pot; 4. a second holding portion; 5. knob, 51 positioning part; 6. a dynamic sealing element 61, a rotation stopping groove; 7. a static seal 71, a seal body 72, an upper sealing lip 73, a circumferential sealing lip; 8. a rotating shaft; 9. the mounting seat, 91 rotating shaft holes, 92 mounting grooves and 93 rotating grooves; 10. a switch base; 11. and (5) tightening the nut.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 5, a waterproof knob structure includes a knob 5, a mounting seat 9 and a switch, the switch includes a switch seat 10 fixedly connected to the mounting seat 9 and a rotating shaft 8 rotatably connected to the switch seat 10, the mounting seat 9 is provided with a rotating shaft hole 91 for the rotating shaft 8 to extend out, the knob 5 is connected to one end of the rotating shaft 8 and is rotatable relative to the mounting seat 9, the waterproof knob structure further comprises a movable sealing element 6 and a static sealing element 7, wherein the movable sealing element 6 is fixed on the knob 5 and can synchronously rotate with the knob 5, the static sealing element 7 is arranged on the mounting seat 9, the movable sealing element 6 is provided with a movable sealing part, the static sealing element 7 is provided with a static sealing part, and the movable sealing part is abutted to the static sealing part to realize dynamic sealing of the rotating shaft hole 91 when the movable sealing element 6 is opposite to the static sealing element 7 in rotation.

Move sealing member 6 in this application and be fixed in knob 5 and along with knob 5 synchronous revolution, static sealing member 7 is fixed in mount pad 9, move sealing member 6 and static sealing member 7 and realized static seal under both relative quiescent conditions and the dynamic seal under both relative motion state through the butt of moving sealing part and static sealing part, avoided external water stain pivot hole 91 on the joint position department flow direction mount pad 9 through moving sealing member 6 and static sealing member 7, thereby form the protection to inside electronic components.

In addition, the dynamic seal 6 in this application is installed in knob 5, and static seal 7 is fixed in mount pad 9, and there is not the relation of connection between static seal 7 and the pivot 8, also there is not the relation of connection between dynamic seal 6 and the pivot 8, and pivot 8 rotates the in-process and can not take place to interfere with static seal 7, dynamic seal 6, consequently the dynamic seal 6 in this application and static seal 7 can not hinder the smooth and easy nature of pivot 8 rotation neither, also can not cause loss and deformation because of rubbing with pivot 8.

Furthermore, the arrangement position and the arrangement form of the dynamic seal 6 and the static seal 7 in the present application are such that the present application does not specifically limit the shape of the rotating shaft 8, and any one of the following embodiments may be adopted:

example 1: the rotating shaft 8 is a cylindrical rotating shaft 8.

Example 2: the rotating shaft 8 is a special-shaped rotating shaft, a non-cylindrical special-shaped structure is adopted at the joint position of the special-shaped rotating shaft and the knob 5, as shown in fig. 2 and fig. 3, a modeling structure with a D-shaped cross section is adopted at the joint position of the special-shaped rotating shaft and the knob 5, but the structural modeling of the special-shaped rotating shaft in the embodiment is not limited to the D-shaped structure, and a structure with a quadrangular or hexagonal cross section can be adopted, so that the phenomenon that the corresponding function or gear cannot be switched due to the slipping phenomenon in the synchronous rotation process of the rotating shaft 8 and the knob 5 can be avoided by changing the structural design at the joint position of the rotating shaft 8 and the knob 5, and the stability of operation and the timeliness of response are ensured.

In this application move sealing member 6 with static sealing member 7 set up the position and with the design of the relative position relation of pivot 8 for this application no matter what kind of pivot 8 in the above-mentioned embodiment is adopted, move sealing member 6 and static sealing member 7 and can both cooperate and accomplish the protection to pivot hole 91, have consequently enlarged pivot 8 and knob 5 complex optional space, have enlarged the range of application.

It should be further noted that, the present application is not particularly limited to the fastening manner of the switch base 10 and the mounting base 9, as a preferred embodiment of the present application, the switch base 10 is detachably mounted to the mounting base 9 for facilitating later detachment and replacement, and as a preferred example of the present embodiment, as shown in fig. 1 and 3, the knob structure further includes a fastening nut 11, the switch base 10 is provided with an external thread adapted to the fastening nut 11, and the switch base 10 is fixedly mounted to the mounting base 9 through the fastening nut 11.

As shown in fig. 3 to 5, the knob 5 has with location portion 51 that the pivot 8 links to each other, as a preferred embodiment of this application, move sealing member 6 cup joint in location portion 51's the outside, just move sealing member 6 have with location portion 51 interference fit's annular seal terminal surface to realized moving sealing member 6 and rotated the dynamic seal of in-process along with knob 5, avoided external water stain to get into pivot hole 91 through the hookup location department of moving sealing member 6 and knob 5, promoted dampproofing and waterproofing performance. Compared with the mode that the dynamic seal piece 6 is arranged at one end of the positioning part 51 to realize the axial end face sealing of the dynamic seal piece 6 and the positioning part 51, the dynamic seal piece 6 can be stably assembled without other auxiliary components in the assembling process of the dynamic seal piece 6 and the knob 5 in the embodiment, and the assembling is simpler.

Furthermore, as a preferred example in the present embodiment, as shown in fig. 4 and 5, the movable sealing element 6 is provided with a rotation stopping groove 61, the knob 5 is provided with a rotation stopping rib adapted to the rotation stopping groove 61, and the movable sealing element 6 is relatively stationary with the knob 5 through the stop limit of the rotation stopping groove 61 and the rotation stopping rib, so that the occurrence of a phenomenon that the movable sealing element 6 is deformed due to relative rotation to finally cause sealing failure is avoided, and the service life of the movable sealing element 6 is prolonged. Of course, the stop engagement between the dynamic seal 6 and the knob 5 in this embodiment is not limited to the above example, and it is also possible to provide a rotation stop rib on the dynamic seal 6 and a rotation stop groove on the knob 5 to achieve relative rest during the engagement.

The dynamic seal matching structure of the dynamic seal 6 and the static seal 7 is not specifically limited in the present application, and any one of the following embodiments may be adopted:

embodiment 1: and part of the static seal 7 is sleeved outside the dynamic seal 6 so as to form the dynamic seal part on the inner periphery of the static seal 7 and the outer periphery of the dynamic seal 6.

In embodiment 2, as shown in fig. 2 and 3, the static seal 7 includes a seal body 71 and an upper seal lip 72 fixedly connected to the seal body 71, the seal body 71 is provided with a through hole for the rotating shaft 8 to pass through, and the dynamic seal 6 compresses the upper seal lip 72 downward to form the dynamic seal portion at a lower portion of the dynamic seal 6, and the static seal portion is formed at the upper seal lip 72. Compared with the technical scheme that the dynamic sealing part and the static sealing part are sealed in the circumferential directions of the dynamic sealing part and the static sealing part, the dynamic sealing part and the static sealing part realize sealing through the lower part of the dynamic sealing part 6 and the upper part of the static sealing part 7, can well keep static sealing between the dynamic sealing part and the static sealing part in a mutual static state due to the compression effect after the dynamic sealing part and the static sealing part are assembled, and can ensure the dynamic sealing effect between the dynamic sealing part and the static sealing part without causing great obstruction to the rotation of the dynamic sealing part 6 when the dynamic sealing part 6 rotates relative to the static sealing part 7.

Further, in a preferred example of embodiment 2, the contact area between the dynamic seal portion and the static seal portion can be reduced as much as possible, and the linear seal can be realized, thereby ensuring both the smoothness of the rotation of the dynamic seal 6 and the sealing performance between the dynamic seal portion and the static seal portion.

As a preferred example under the embodiment 2, as shown in fig. 3, the upper sealing lip 72 is extended upward relative to the sealing body 71 and is obliquely arranged toward a direction close to the axis of the sealing body 71, so as to form an inward-buckling type necking structure, and compared with an example in which the upper sealing lip 72 is extended toward a direction away from the axis of the sealing body 71, the static sealing member 7 in this embodiment is more likely to form an interference sealing fit with the dynamic sealing member 6, and helps to reduce a contact area between the dynamic sealing portion and the static sealing portion, and is more likely to form a line seal, which not only improves a sealing effect, but also reduces a resistance during rotation of the dynamic sealing member 6.

As a preferred embodiment of this application, as shown in fig. 3, mount pad 9 is equipped with the mounting groove 92 that pivot hole 91 communicates, static seal 7 inlays to be located in mounting groove 92, static seal 7 still include with the circumference sealing lip 73 that sealing body 71 linked firmly, circumference sealing lip 73 with the inner wall interference fit of mounting groove 92. Compare in the technical scheme that static seal 7 directly set up in pivot hole 91 department sealed pivot hole 91, this embodiment can be with static seal 7 direct embedding mounting groove 92, simple to operate is swift, and static seal 7 realizes radial seal through circumference sealing lip limit 73 and mounting groove 92, has avoided external water stain to get into pivot hole 91 from the cooperation department of mounting groove 92 and static seal 7.

As a preferred example of this embodiment, as shown in fig. 3, one end of the circumferential sealing lip 73 is fixedly connected to the sealing body 71, and the other end thereof extends obliquely upward to abut against the inner wall of the mounting groove 92. The other end slope of circumference sealing lip limit 73 upwards extends, and the in-process of embedding is changeed and is offseted in order to realize sealedly with the inner wall of mounting groove 92, moreover can with form the contained angle between the sealing body 71 to promoted the anti deformability of circumference sealing lip limit 73, when the external world has the water stain to enter into, even if the water yield is great, make circumference sealing lip limit 73 downwards take place deformation under the action of gravity of water, the form that its slope was arranged also is favorable to realizing more easily the butt with the mounting groove 92 inner wall at the in-process of deformation sealed, promotes sealed effect.

As a preferred embodiment of the present embodiment, as shown in fig. 3, the sealing body 71 is provided with a plurality of circumferential sealing lips 73 at intervals along the axial direction thereof, so as to achieve axial sealing of the static sealing element 7 to the installation groove 92, and further improve the sealing effect.

As a preferred embodiment of the present application, as shown in fig. 3, the mounting seat 9 is provided with a rotating groove 93 adapted to the lower edge of the knob 5, the rotating groove 93 includes an inner side wall and an outer side wall, and the upper edge of the inner side wall is higher than the upper edge of the outer side wall. The setting of the rotating groove 93 can provide guidance for the installation of the knob 5 and the rotation in the use process after the assembly, the assembly efficiency is improved, and the rotating operation hand feeling in the use process is improved. The rotating groove 93 includes that inside wall and last border are less than the lateral wall at the last border of inside wall, because of the last border of lateral wall highly lower, consequently when the external world has water stain entering rotating groove 93, the accumulation volume that water stains can flow from lateral wall one side when being higher than the last border of lateral wall, reduces the accumulation volume that water stains, also reduces water stain and gets into the inside possibility of knob structure through inside wall one side overflow, promotes the protecting effect.

The application also discloses cooking utensil, including the organism, still include as above waterproof knob structure, mount pad 9 with the organism links firmly. Often need the user to wash in the cooking utensil use, and when it adopts in this application during waterproof knob structure, can form the protection to its inside electronic components well, both promoted the security performance, guaranteed inside electronic components's normal operating again, promote cooking utensil's stability and reliability.

As a preferred embodiment of the present application, as shown in fig. 1 and fig. 2, the machine body includes a base 1, a first holding portion 2 fixedly connected to the base 1, an inner pot 3 having a cooking cavity, and a second holding portion 4 fixedly connected to the inner pot 3, the first holding portion 2 and the second holding portion 4 are connected and matched to form a holding handle, and the mounting seat 9 is disposed on the second holding portion 4.

In the present embodiment, the connection form between the mounting seat 9 and the second holding portion 4 is not limited in particular, and the mounting seat 9 may be formed directly on the second holding portion 4 by using an integral molding technique, or may be formed separately and the mounting seat 9 is mounted on the second holding portion 4 after molding. The handle formed by the matching of the first holding part 2 and the second holding part 4 is internally provided with a cavity, an electric control board of the cooking utensil is arranged in the cavity, and the switch is electrically connected with the electric control board. This application has promoted the dampproofing and waterproofing ability of waterproof knob structure can satisfy higher dampproofing and waterproofing demand, has reduced external water stain by a wide margin and has got into through pivot hole 91 probability in the cavity has guaranteed the even running of automatically controlled board.

It should be noted that the cooking utensil in the present application is not limited to the handle-type pot shown in the drawings, and may also be cooking products such as an induction cooker, an electric cooker, a pressure cooker, a boiled water pot, an electric stewpan, and the like.

Where not mentioned in this application, can be accomplished using or referencing existing technology.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A waterproof knob structure comprises a knob, a mounting seat and a switch, wherein the switch comprises a switch seat fixedly connected with the mounting seat and a rotating shaft rotatably connected with the switch seat, the mounting seat is provided with a rotating shaft hole for the rotating shaft to extend out, the knob is connected with one end of the rotating shaft and can rotate relative to the mounting seat,

the rotary knob is fixed on the rotary knob, the rotary knob synchronously rotates to form a dynamic sealing element, the static sealing element is arranged on the mounting seat, the dynamic sealing element is provided with a dynamic sealing part, the static sealing element is provided with a static sealing part, and the dynamic sealing part is abutted against the static sealing part to realize dynamic sealing of the rotating shaft hole when the dynamic sealing element rotates relative to the static sealing element.

2. The waterproof knob structure according to claim 1,

the knob is provided with a positioning part connected with the rotating shaft, the dynamic sealing element is sleeved on the outer side of the positioning part, and the dynamic sealing element is provided with an annular sealing end face in interference fit with the positioning part.

3. The waterproof knob structure according to claim 2,

one of the movable sealing element and the knob is provided with a rotation stopping groove, the other of the movable sealing element and the knob is provided with a rotation stopping convex rib matched with the rotation stopping groove, and the movable sealing element is limited by the stop of the rotation stopping groove and the rotation stopping convex rib to realize relative rest with the knob.

4. The waterproof knob structure according to claim 1,

the static sealing element comprises a sealing body and an upper sealing lip edge fixedly connected with the sealing body, the sealing body is provided with a through hole for the rotating shaft to pass through, the dynamic sealing element downwards compresses the upper sealing lip edge to form the dynamic sealing part at the lower part of the dynamic sealing element, and the static sealing part is formed at the upper sealing lip edge.

5. The waterproof knob structure according to claim 4,

the mount pad be equipped with the mounting groove of pivot hole intercommunication, static sealing member inlays to be located in the mounting groove, static sealing member still include with the circumference sealing lip limit that sealing body linked firmly, circumference sealing lip limit with the inner wall interference fit of mounting groove.

6. The waterproof knob structure according to claim 5,

one end of the circumferential sealing lip is fixedly connected with the sealing body, and the other end of the circumferential sealing lip obliquely extends upwards to abut against the inner wall of the mounting groove.

7. The waterproof knob structure according to claim 5,

the seal body is provided with a plurality of the circumferential sealing lips at intervals along an axial direction thereof.

8. The waterproof knob structure according to any one of claims 1 to 7,

the mount pad be equipped with the turn trough of the lower border adaptation of knob, the turn trough includes inside wall and lateral wall, the last border of inside wall is higher than the last border of lateral wall.

9. A cooking appliance comprising a body, characterized in that it further comprises a waterproof knob structure according to any one of claims 1 to 8, said mounting seat being secured to said body.

10. The cooking appliance according to claim 9, wherein the body includes a base, a first holding portion fixedly connected to the base, an inner pot having a cooking cavity, and a second holding portion fixedly connected to the inner pot, the first holding portion and the second holding portion are connected to each other and cooperate to form a holding handle, and the mounting seat is disposed on the second holding portion.

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