CN219163865U - Rotary connecting device and cooking equipment - Google Patents

Abstract

The utility model discloses a rotary connecting device and a cooking device, wherein the rotary connecting device comprises: a base; the fixed shaft is arranged on the base and is provided with a fixed connecting piece; the rotating shaft is sleeved on the fixed shaft and can rotate relative to the fixed shaft, and the rotating shaft is provided with a rotating connecting piece; and a conductive structure is arranged between the fixed shaft and the rotating shaft, the conductive structure extends along the circumferential direction of the fixed shaft, and the electric conductor is configured to be matched with the fixed connecting piece and the rotating connecting piece respectively so as to enable the fixed connecting piece and the rotating connecting piece to be in electric communication. According to the rotary connecting device provided by the embodiment of the utility model, the electric connection between the fixed shaft and the rotary connecting piece is realized by arranging the electric conductor between the fixed shaft and the rotary shaft, meanwhile, the reliability of the electric connection is improved, the structural stability is good, and the service life of the rotary connecting device can be prolonged.

Description

Rotary connecting device and cooking equipment

Technical Field

The utility model relates to the technical field of cooking equipment, in particular to a rotary connecting device and cooking equipment.

Background

In the related art, part of adjacent structural members of the cooking appliance are pivotally connected through a pivot, wherein in order to realize transmission of circuits in the two pivotally connected structural members, a cable made of soft materials is generally connected at the pivot in a penetrating way, however, in long-term use, the cable made of soft materials is easy to fail due to fracture, so that the service life of a product is influenced, and there is room for improvement.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a rotary connection device, which can realize reliable electrical connection between two connectors on a rotary shaft and a fixed shaft, and has high reliability and good stability.

The utility model also provides cooking equipment.

According to an embodiment of the present utility model, a rotational coupling device includes: a base; the fixed shaft is arranged on the base and is provided with a fixed connecting piece; the rotating shaft is sleeved on the fixed shaft and can rotate relative to the fixed shaft, and the rotating shaft is provided with a rotating connecting piece; and a conductive structure is arranged between the fixed shaft and the rotating shaft, the conductive structure extends along the circumferential direction of the fixed shaft, and the electric conductor is configured to be matched with the fixed connecting piece and the rotating connecting piece respectively so as to enable the fixed connecting piece and the rotating connecting piece to be in electric communication.

According to the rotating connection device provided by the embodiment of the utility model, the conductor is arranged between the fixed shaft and the rotating shaft, and extends along the circumferential direction of the fixed shaft, so that the conductor can be always connected with the fixed connection piece and the rotating connection piece when the rotating shaft rotates, the electric connection between the fixed connection piece and the rotating connection piece is realized, the reliability of the electric connection is improved, the structure stability is good, compared with a cable, the winding problem in rotation can be avoided, the problem of connection failure caused by fracture and abrasion and the like due to long-term use can be avoided, the service life of the rotating connection device is prolonged, and the popularization and the application of the rotating connection device are facilitated.

According to the rotary connecting device of the embodiment of the utility model, the electric conductor forms a ring structure.

According to the rotary connecting device provided by the embodiment of the utility model, the electric conductor forms an arc-shaped structure, and the central angle of the electric conductor is not smaller than the rotation angle of the rotating shaft.

According to the rotating connection device provided by the embodiment of the utility model, the electric conductor is arranged on the fixed shaft and is fixedly connected with the fixed connection piece, or the electric conductor is arranged on the rotating shaft and is fixedly connected with the rotating connection piece.

According to the rotating connection device provided by the embodiment of the utility model, the fixed shaft is provided with the installation cavity and the first through hole communicated with the installation cavity, the fixed connection piece is a conductive wire harness, and the conductive wire harness penetrates through the installation cavity and is connected with the electric conductor through the first through hole.

According to the rotary connecting device provided by the embodiment of the utility model, a part of the outer surface of the fixed shaft is recessed inwards to form the mounting groove, the bottom wall of the mounting groove is provided with the first through hole, and the electric conductor is arranged in the mounting groove.

According to the rotary connecting device of the embodiment of the utility model, the outer surface of the conductor is flush with the outer surface of the fixed shaft.

According to the rotating connection device provided by the embodiment of the utility model, the rotating shaft is provided with the second through hole, the rotating connection piece is a conductive contact, and the conductive contact penetrates through the second through hole to be abutted with the conductor.

According to the rotary connecting device provided by the embodiment of the utility model, the water guide groove is further arranged between the fixed shaft and the rotary shaft, the water guide groove extends along the circumferential direction of the fixed shaft, the fixed shaft is provided with the first water guide joint, the rotary shaft is provided with the second water guide joint, and the second fixed connecting piece and the second rotary connecting piece are communicated through the water guide groove.

According to the rotary connecting device provided by the embodiment of the utility model, a part of the outer surface of the fixed shaft is recessed inwards to form the water guide groove, a first water guide channel communicated with the water guide groove is arranged in the fixed shaft, and the first water guide joint is communicated with the water guide groove through the first water guide channel.

According to the rotary connecting device provided by the embodiment of the utility model, the first water guide channel comprises a first water guide section extending along the radial direction of the fixed shaft and a second water guide section extending along the axial direction of the fixed shaft, the first water guide section is communicated with the water guide groove, the second water guide section extends to one end of the fixed shaft, and the first water guide joint is in plug-in fit with the second water guide section.

According to the rotary connecting device provided by the embodiment of the utility model, the rotary shaft is provided with the second water guide flow passage, and the second water guide joint is communicated with the water guide groove through the second water guide flow passage.

According to the rotary connecting device of the embodiment of the utility model, the second water guide flow channel extends along the radial direction of the rotating shaft and is arranged opposite to the water guide groove.

According to the rotary connecting device provided by the embodiment of the utility model, the first water guide joint and the second water guide joint have the same structure and comprise the body and the sealing part, and the sealing part is suitable for being inserted into the corresponding water guide flow passage to be in sealing connection with the corresponding water guide flow passage.

According to the rotary connecting device provided by the embodiment of the utility model, the sealing rings are respectively arranged on the two sides of the water guide groove in the axial direction of the fixed shaft, the rotating shaft is in sealing fit with the fixed shaft through the sealing rings, a positioning groove is formed in the outer side of the fixed shaft or the inner side of the rotating shaft, and the sealing rings are arranged in the positioning groove.

According to the rotary connecting device provided by the embodiment of the utility model, the base is provided with two base plates which are arranged at intervals, one side of each base plate facing the other base plate is provided with the mounting groove, and the end part of the fixed shaft is in plug-in fit with the mounting groove.

According to the rotary connecting device provided by the embodiment of the utility model, at least one base plate is provided with an opening for the fixed connecting piece to pass through, and the opening is communicated with the mounting groove.

According to the cooking equipment provided by the embodiment of the second aspect of the utility model, the rotating connecting device is adopted, and the electric conductor can be always connected with the fixed connecting piece and the rotating connecting piece, so that the electric connection between the fixed connecting piece and the rotating connecting piece is realized, the reliability of the electric connection is improved, the structural stability is good, the service life of the cooking equipment is prolonged, the maintenance and the replacement are reduced, and the use experience of a user is improved.

According to an embodiment of the present utility model, the cooking apparatus includes a cantilever and a mounting arm connected to the cantilever through the rotational connection.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a rotational coupling apparatus according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a rotational coupling device according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a rotational coupling device according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of the structure A of FIG. 3;

FIG. 5 is an enlarged view of the B structure of FIG. 3;

fig. 6 is a schematic structural view of a cooking apparatus according to an embodiment of the present utility model.

Reference numerals:

the rotation of the connection means 100, the cooking appliance 200,

the base 10, the base plate 11, the opening 111, the mounting groove 112,

the fixed shaft 20, the mounting cavity 201, the first through hole 202, the mounting groove 203, the first water guiding channel 204, the first water guiding section 2041, the second water guiding section 2042, the positioning groove 205, the fixed connecting piece 21, the first water guiding joint 22, the sealing ring 23,

a rotation shaft 30, a second through hole 301, a second water guide passage 302, a rotation connector 31, a second water guide joint 32, a body 321, a sealing portion 322,

40, a water guide groove 50, a bearing 60, a cantilever 70, a mounting arm 80 and a pot body 90.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Turning now to fig. 1-5, a turning joint 100 according to an embodiment of the present utility model is described.

As shown in fig. 1 to 5, a rotational coupling device 100 according to an embodiment of the present utility model includes: the base 10, fixed axle 20 and axis of rotation 30, fixed axle 20 establishes on base 10, and fixed axle 20 has fixed connection 21, and axis of rotation 30 cover is established on fixed axle 20, and the axis of rotation can rotate for fixed axle 20, and axis of rotation 30 has rotation connection 31, wherein, has electric conductor 40 between fixed axle 20 and the axis of rotation 30, and electric conductor 40 extends along the circumference of fixed axle 20, and electric conductor 40 can cooperate with fixed connection 21, and electric conductor 40 also can cooperate with rotation connection 31 to make fixed connection 21 and rotation connection 31 electric communication.

According to the rotary connecting device 100 of the embodiment of the utility model, the conductor 40 is arranged between the fixed shaft 20 and the rotating shaft 30, and the conductor 40 extends along the circumferential direction of the fixed shaft 20, so that the conductor 40 can be always connected with the fixed connecting piece 21 and the rotating connecting piece 31 when the rotating shaft 30 rotates, the electric connection between the fixed connecting piece 21 and the rotating connecting piece 31 is realized, meanwhile, the reliability of the electric connection is improved, the structural stability is good, compared with a cable, the problem of winding in rotation can be avoided, the problem of connection failure caused by fracture and abrasion and the like due to long-term use can be avoided, the service life of the rotary connecting device 100 is prolonged, and the popularization and the application of the rotary connecting device 100 are facilitated.

According to some embodiments of the present utility model, the conductive body 40 forms a ring structure, that is, a ring-shaped conductive structure is provided between the fixed shaft 20 and the rotating shaft 30, so that the rotating connector 31 and the fixed connector 21 can be always engaged with the conductive body 40 when the rotating connector 31 rotates with the rotating shaft 30, thereby ensuring the reliability of electrical connection, and the ring-shaped conductive body 40 is convenient to install without considering the direction problem, and improving the assembly efficiency and the assembly reliability.

According to some embodiments of the present utility model, the electric conductor 40 forms an arc structure, wherein the central angle of the electric conductor 40 may be equal to the rotation angle of the rotation shaft 30, or may be greater than the rotation angle of the rotation shaft 30, where the rotation angle of the rotation shaft 30 is the maximum angle at which the rotation shaft 30 can rotate relative to the fixed shaft 20, for example, the rotation shaft 30 can rotate between the first position and the second position, the angle at which the rotation shaft 30 rotates from the first position to the second position is the maximum angle at which the rotation shaft 30 can rotate, by limiting the central angle of the electric conductor 40, the rotation connector 31 and the fixed connector 21 can be always engaged with the electric conductor 40 when the rotation shaft 30 rotates, thereby ensuring the reliability of the electric connection, and reducing the manufacturing cost.

As shown in fig. 4, in some examples, the conductive body 40 is disposed on the fixed shaft 20, and the conductive body 40 is fixedly connected with the fixed connection member 21, where the conductive body 40 may be adhered to the fixed shaft 20 or clamped on the fixed shaft 20, so as to improve stability of the conductive body 40, and avoid that the reliability of connection between the conductive body 40 and the fixed connection member 21 is affected by shaking of the conductive body 40; at this time, the rotary connector 31 may be electrically connected by contact with the conductor 40.

Of course, the conductor 40 may be provided on the rotation shaft 30, and the conductor 40 may be fixedly connected to the rotation connector 31, and in this case, the fixed connector 21 may be electrically connected by contacting with the conductor 40.

As shown in fig. 2 and 3, in some examples, the fixing shaft 20 has a mounting cavity 201 and a first through hole 202, the first through hole 202 communicates with the mounting cavity 201, the fixing connector 21 is a conductive wire harness, the conductive wire harness passes through the mounting cavity 201, and an end of the conductive wire harness passes through the first through hole 202 to be fixedly connected with the conductive body 40, so as to achieve reliable electrical connection.

At this time, the rotating connector 31 may be a conductive contact, and the conductive contact is abutted to the conductive body 40, so that current transmission can be realized, and in the rotating process of the rotating shaft 30, the moving direction of the conductive contact is the same as the extending direction of the conductive body 40, so that the conductive contact is always in reliable abutting relation with the conductive body 40, and the reliability of electric transmission is ensured.

Wherein, the middle part of the fixed shaft 20 defines a mounting cavity 201 with an open end, the conductive wire harness can be connected to an external circuit through the open end, the fixed shaft 20 is provided with a plurality of first through holes 202, each first through hole 202 is respectively communicated with the mounting cavity 201, and the conductive member 40 comprises a plurality of corresponding conductive wire harnesses, thereby realizing the electric transmission of the plurality of conductive wire harnesses, and the plurality of conductive wire harnesses do not interfere with each other.

As shown in fig. 2, in some specific examples, a part of the outer surface of the fixed shaft 20 is recessed inwards to form a mounting groove 203, the bottom wall of the mounting groove 203 is provided with a first through hole 202, the conductor 40 is arranged in the mounting groove 203, the mounting groove 203 can not only guide and position the installation of the conductor 40, but also ensure the accuracy of the installation position of the conductor 40, facilitate the connection of the conductor 40 with a conductive wire harness, and simultaneously reduce the size of the conductor 40 protruding out of the outer surface of the fixed shaft 20 when the rotating shaft 30 rotates, and the conductor 40 is arranged in the mounting groove 203.

Wherein, the outer surface of the conductor 40 is flush with the outer surface of the fixed shaft 20, i.e. the conductor 40 does not protrude out of the fixed shaft 20, thus, when the rotating shaft 30 rotates, no additional processing is needed to be performed on the inner wall surface of the rotating shaft 30, and the rotating reliability can be ensured without larger interference in the rotating process of the rotating shaft 30.

As shown in fig. 2, in some examples, the rotating shaft 30 has a second through hole 301, the conductive contact passes through the second through hole 301, and the end of the conductive contact may abut against the conductive body 40, and the conductive contact may be fixed at the second through hole 301 by a sealant or may be clamped in the second through hole 301 by an interference fit, so that the conductive contact may be stably fixed on the rotating shaft 30, and the conductive contact may rotate along with the rotation of the rotating shaft 30, and the conductive contact may stop moving synchronously when the rotation of the rotating shaft 30 stops.

As shown in fig. 3 and 5, according to some embodiments of the present utility model, a water guide groove 50 is further provided between the fixed shaft 20 and the rotating shaft 30, the water guide groove 50 extending along the circumferential direction of the fixed shaft 20, i.e., the water guide groove 50 is radially outside of the fixed shaft 20, the fixed shaft 20 has a first water guide joint 22, the rotating shaft 30 has a second water guide joint 32, and the first water guide joint 22 and the second water guide joint 32 are communicated through the water guide groove 50.

Through setting up along fixed axle 20 circumference extension's guiding gutter 50 for when axis of rotation 30 rotates, guiding gutter 50 can remain the intercommunication with first water guiding joint 22 and second water guiding joint 32 all the time, has realized that first water guiding joint 22 and second water guiding joint 32 switch on, realizes water route transmission, and rivers can follow first water guiding joint 22 flow to second water guiding joint 32 departments this moment, also can follow second water guiding joint 32 flow to first water guiding joint 22 departments, compare in traditional pipe switching on, can avoid holding down the problem of pipe and pipe damage, guarantee the normal nature of water supply, improve the reliability and the life of rotating connecting device 100.

The water guiding groove 50 may be formed into an annular structure, or may be formed into an arc-shaped water guiding groove 50, and the central angle of the arc-shaped water guiding groove 50 may be equal to the rotation angle of the rotation shaft 30, or may be greater than the rotation angle of the rotation shaft 30.

As shown in fig. 5, in some examples, a portion of the outer surface of the stationary shaft 20 is recessed inward to form the water guide groove 50, the stationary shaft 20 has a first water guide passage 204 therein, one end of the first water guide passage 204 is in communication with the water guide groove 50, the first water guide joint 22 is disposed at the other end of the first water guide passage 204, and the first water guide joint 22 is in communication with the water guide groove 50 through the first water guide passage 204.

As shown in fig. 5, in some examples, the bottom wall of the water guiding groove 50 is located inside the outer surface of the fixed shaft 20, that is, the outer diameter of the fixed shaft 20 is smaller than the maximum outer diameter of the fixed shaft 20 at the position of the water guiding groove 50, thereby ensuring a certain space between the fixed shaft 20 and the rotating shaft 30, that is, the water guiding groove 50, and when the rotating shaft 30 rotates, the rotating shaft 30 and the fixed shaft 20 always have the water guiding groove 50 capable of being communicated with water, and the second water guiding joint 32 can always communicate with the water guiding groove 50, thereby realizing the communication of the water path.

As shown in fig. 3, in some examples, the first water guide channel 204 includes a first water guide section 2041 and a second water guide section 2042, the first water guide section 2041 extends along a radial direction of the fixed shaft 20, the first water guide section 2041 communicates with the water guide groove 50, the second water guide section 2042 extends along an axial direction of the fixed shaft 20, the second water guide section 2042 extends to an end of the fixed shaft 20, and the first water guide joint 22 is in plug-fit with the second water guide section 2042. Thus, the first water guide joint 22 may be connected to one end of the fixed shaft 20 in the axial direction, and the first water guide joint 22 may be more conveniently connected to other external structural members.

As shown in fig. 5, in some examples, the rotating shaft 30 has a second water guiding channel 302, the second water guiding joint 32 is communicated with the water guiding channel 50 through the second water guiding channel 302, that is, a certain channel is formed on the rotating shaft 30, one end of the channel corresponds to the position of the water guiding channel 50, so that the channel is communicated with the water guiding channel 50, the other end of the channel extends to the outer wall surface of the rotating shaft 30, the second water guiding joint 32 can be inserted into the channel, the fixation of the second water guiding joint 32 is realized, meanwhile, the communication between the second water guiding joint 32 and the water guiding channel 50 is realized, and the second water guiding joint 32 protrudes out of the outer wall surface of the rotating shaft 30, so that the second water guiding joint 32 is connected with other external structural components.

As shown in fig. 5, in some examples, the second water guiding channel 302 extends along the radial direction of the rotation shaft 30, and the second water guiding channel 302 is arranged opposite to the water guiding channel 50, so that the forming of the second water guiding channel 302 is facilitated, the second water guiding joint 32 can be opposite to the water guiding channel 50, and the second water guiding joint 32 can be communicated with the water guiding channel 50.

As shown in fig. 2 and 5, in some examples, the first water guiding connector 22 and the second water guiding connector 32 have the same structure, for example, as shown in fig. 5, the second water guiding connector 32 is exemplified by the second water guiding connector 32, the second water guiding connector 32 includes a body 321 and a sealing portion 322, the sealing portion 322 may be inserted into the second water guiding channel 302, an outer peripheral surface of the sealing portion 322 may be attached to or interference fit with a wall surface of the second water guiding channel 302 so as to realize sealing connection between the two, water leakage at a connection position is avoided, and when the sealing portion 322 is inserted in place, an end portion of the body 321 may abut against an outer wall surface of the rotating shaft 30 so as to improve stability of the structure and sealing performance at the matching position.

As shown in fig. 5, in some examples, in the axial direction of the fixed shaft 20, sealing rings 23 are respectively provided at both sides of the water guiding groove 50, and the rotating shaft 30 is in sealing engagement with the fixed shaft 20 through the sealing rings 23, thereby ensuring the relative tightness of the water guiding groove 50, optionally, the fixed shaft 20 is provided with a plurality of first water guiding joints 22, the rotating shaft 30 is provided with a plurality of second water guiding joints 32, the plurality of first water guiding joints 22 and the plurality of second water guiding joints 32 are in one-to-one correspondence with each other through the plurality of water guiding grooves 50, wherein sealing rings 23 are provided between two adjacent water guiding grooves 50, and in the axial direction of the fixed shaft 20, one sealing ring 23 is provided at both sides of the two water guiding grooves 50 at the end part, thereby reducing the number of the sealing rings 23, reducing the cost and facilitating the installation on the basis of ensuring the relative tightness of each water guiding groove 50.

As shown in fig. 5, the outer side of the fixed shaft 20 is provided with a positioning groove 205, and the sealing ring 23 is arranged in the positioning groove 205, so that positioning installation of the sealing ring 23 is realized, and sealing failure of the water guide groove 50 caused by dislocation of the sealing ring 23 and the like is avoided, of course, the positioning groove 205 can also be arranged on the inner side of the rotating shaft 30, the sealing ring 23 is arranged in the positioning groove 205, and the sealing ring 23 is clamped between the positioning groove 205 and the fixed shaft 20 by matching the rotating shaft 30 and the fixed shaft 20.

As shown in fig. 2, in some examples, the base 10 has two spaced substrates 11, and a side of each substrate 11 facing the other substrate 11 has a mounting groove 112, and an end of the fixing shaft 20 is in plug-fit with the mounting groove 112, thereby achieving mounting of the fixing shaft 20 on the base 10, with ease of installation.

As shown in fig. 2, in some examples, the base plate 11 may have an opening 111, the fixing connector 21 may penetrate the opening 111, and the opening 111 communicates with the mounting groove 112, that is, the fixing connector 21 may penetrate the opening and the mounting groove 112 to be connected to an end of the fixing shaft 30, and a portion of the fixing connector 21 located outside the fixing shaft 30 may be connected to an external structure, where each base plate 11 may have the opening 111, so that the fixing connector 21 may be replaced in mounting position, and the mounting of the first water guiding joint 22 on the fixing shaft 20 is facilitated.

According to the cooking apparatus 200 according to the embodiment of the present utility model, including the rotary connection device 100 according to the embodiment of the present utility model, by adopting the rotary connection device 100, the electric conductor 40 can always be connected with the fixed connection member 21 and the rotary connection member 31, so that the electrical connection between the fixed connection member 21 and the rotary connection member 31 is realized, meanwhile, the reliability of the electrical connection is improved, the structural stability is good, the service life of the cooking apparatus 200 is prolonged, the maintenance and replacement are reduced, and the use experience of a user is improved.

As shown in fig. 6, in some examples, the cooking apparatus 200 includes a cantilever 70 and a mounting arm 80, the mounting arm 80 is connected to the cantilever 70 through a rotating connection device 100, where the base 10 and the fixed shaft 20 may be mounted on the mounting arm 80, the rotating member 30 is connected to the cantilever 70, and the base 10 and the fixed shaft 20 may be mounted on the cantilever 70, and the rotating member 30 is connected to the mounting arm 80, wherein the rotating connection device 100 is hidden inside the structure, improving the aesthetic appearance of the structure.

In addition, the cooking apparatus 200 further comprises a pan body 90, the cantilever 70 is movable above the pan body 90, a waterway capable of being accessed to the pan body 90 and a circuit for electrical connection are arranged in the cantilever 70, and the waterway and the circuit on the mounting arm 80 can be transmitted into the cantilever 70 for use in different working modes of the cooking apparatus 200 by rotating the connecting device 100.

Other constructions and operations of the cooking apparatus 200 according to the embodiment of the present utility model are known to those of ordinary skill in the art, and will not be described in detail herein. The vertical direction, the horizontal direction, and the front-rear direction are defined by the vertical direction, the horizontal direction, and the front-rear direction in the drawing.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (19)

1. A rotary joint device, comprising:

a base;

the fixed shaft is arranged on the base and is provided with a fixed connecting piece;

the rotating shaft is sleeved on the fixed shaft and can rotate relative to the fixed shaft, and the rotating shaft is provided with a rotating connecting piece;

wherein an electrical conductor is provided between the stationary shaft and the rotating shaft, the electrical conductor extending in a circumferential direction of the stationary shaft, the electrical conductor being configured to mate with the stationary connector and the rotating connector, respectively, to electrically communicate the stationary connector and the rotating connector.

2. The rotary connection device of claim 1 wherein the electrical conductor forms a ring-shaped structure.

3. The rotary connection device according to claim 1, wherein the electric conductor forms an arc structure, and a central angle of the electric conductor is not smaller than a rotation angle of the rotation shaft.

4. The rotary connection device of claim 1, wherein the electrical conductor is disposed on the stationary shaft and fixedly connected to the stationary connector.

5. The rotary connection device of claim 4, wherein the stationary shaft has a mounting cavity and a first through hole in communication with the mounting cavity, the stationary connection member being a conductive wire harness passing through the mounting cavity and connected to the electrical conductor through the first through hole.

6. The rotary joint device according to claim 5, wherein a part of the outer surface of the fixed shaft is recessed inward to form a mounting groove, a bottom wall of the mounting groove has the first through hole, and the electric conductor is provided in the mounting groove.

7. The rotary connection device of claim 6, wherein an outer surface of the electrical conductor is flush with an outer surface of the stationary shaft.

8. The rotary connection device of claim 5, wherein the rotary shaft has a second through hole, and the rotary connection member is a conductive contact, and the conductive contact is abutted to the conductive body through the second through hole.

9. The rotary connection device of claim 1, wherein a water guiding groove is further provided between the fixed shaft and the rotating shaft, the water guiding groove extends along the circumferential direction of the fixed shaft, the fixed shaft is provided with a first water guiding joint, the rotating shaft is provided with a second water guiding joint, and the first water guiding joint and the second water guiding joint are communicated through the water guiding groove.

10. The rotary connection device of claim 9, wherein a portion of the outer surface of the stationary shaft is recessed inwardly to form the water guide channel, the stationary shaft having a first water guide channel therein in communication with the water guide channel, the first water guide connector being in communication with the water guide channel through the first water guide channel.

11. The rotary connection device of claim 10, wherein the first water guide channel comprises a first water guide section extending radially of the fixed shaft and a second water guide section extending axially of the fixed shaft, the first water guide section being in communication with the water guide channel, the second water guide section extending to one end of the fixed shaft, the first water guide fitting being in a plug-fit with the second water guide section.

12. The rotary connection device of claim 10 wherein the rotating shaft has a second water guide channel through which the second water guide connector communicates with the water guide channel.

13. The rotary connection device of claim 12, wherein the second water guide channel extends radially of the rotational shaft and is disposed opposite the water guide channel.

14. The rotary connection device of claim 12, wherein the first and second water guide connectors are identical in structure and comprise a body and a seal adapted to be inserted into and sealingly connected with a corresponding water guide channel.

15. The rotary connecting device according to claim 9, wherein sealing rings are respectively arranged on two sides of the water guide groove in the axial direction of the fixed shaft, the rotating shaft is in sealing fit with the fixed shaft through the sealing rings, a positioning groove is formed on the outer side of the fixed shaft or the inner side of the rotating shaft, and the sealing rings are arranged in the positioning groove.

16. The rotary connection device of any one of claims 1 to 15 wherein the base has two spaced apart base plates, each base plate having a mounting slot on a side facing the other base plate, the end of the stationary shaft being in a plug-fit with the mounting slot.

17. The rotary connection device of claim 16, wherein at least one of the base plates has an opening therethrough for the attachment of the attachment member, the opening communicating with the mounting slot.

18. Cooking apparatus, characterized by comprising a rotary connection device according to any one of claims 1-17.

19. Cooking apparatus according to claim 18, wherein the cooking apparatus comprises a cantilever and a mounting arm connected to the cantilever by the rotational connection.

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