CN220755091U

CN220755091U - Electromagnetic wire coil assembly and cooking utensil

Info

Publication number: CN220755091U
Application number: CN202322225536.0U
Authority: CN
Inventors: 朱泽春; 王红林
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-04-09
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses an electromagnetic wire coil assembly, which comprises a concave coil frame and an induction coil, wherein the induction coil comprises a bottom induction coil and side induction coils, the concave coil frame comprises a bottom wall and a side wall, a plurality of rows of bottom isolation ribs which are distributed radially are arranged on the outer surface of the bottom wall, a bottom winding groove is formed between every two adjacent bottom isolation ribs, the bottom induction coil is wound in the bottom winding groove, a plurality of rows of side isolation ribs which are distributed radially are arranged on the outer periphery of the side wall, a side winding groove is formed between every two adjacent side isolation ribs, the side induction coils are wound in the side winding groove, and the side isolation ribs and the bottom isolation ribs are distributed in a staggered manner in the circumferential direction of the concave coil frame. In addition, the utility model also discloses a cooking utensil comprising the electromagnetic wire coil assembly.

Description

Electromagnetic wire coil assembly and cooking utensil

[ field of technology ]

The utility model relates to the technical field of kitchen appliances, in particular to an electromagnetic wire coil assembly and a cooking utensil.

[ background Art ]

The existing electromagnetic wire coil assembly comprises a concave wire coil frame and induction coils, wherein a plurality of rows of radial ribs are arranged on the outer surface of the concave wire coil frame, each row of ribs extend from the center of the bottom surface of the concave wire coil frame to the top end of the side surface of the concave wire coil frame, a wire winding groove is formed between every two adjacent ribs, the induction coils are wound in the side wire winding grooves, the distribution mode of the existing ribs limits the induction coils unevenly, and further the induction coils are easily separated from the wire winding grooves; the other mode is that the induction coil is fixed in the winding groove through glue, but in the use, the induction coil generates heat and can lead to glue to give off taste, and then the problem of peculiar smell appears, influences user's experience.

[ utility model ]

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing an electromagnetic wire coil assembly and a cooking utensil, which do not need to fix an induction coil by hot pressing or gluing, so that the problems of unstable fixation of the induction coil or damage of insulating paint on the surface of the induction coil and peculiar smell caused by gluing can not occur.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an electromagnetic wire coil subassembly, includes spill coil holder and induction coil, induction coil includes end induction coil and side induction coil, spill coil holder includes diapire and lateral wall, the surface of diapire is equipped with the multiseriate that is radial distribution and separates the muscle at the bottom of, forms the end wire winding groove between every two adjacent bottom separation muscle, end induction coil winds the dress in end wire winding groove, the periphery side of lateral wall is equipped with the multiseriate side that is radial distribution and separates the muscle, forms the side wire winding groove between every two adjacent side separation muscle, side induction coil winds the dress in the side wire winding groove, side separates the muscle and separates the muscle at the bottom to be in the circumference of spill coil holder staggers and distributes.

In the electromagnetic wire coil assembly, the electromagnetic wire coil assembly further comprises a magnetic stripe rack and magnetic conducting strips, the magnetic stripe rack comprises a plurality of radial magnetic stripe grooves, the magnetic conducting strips are arranged in the magnetic stripe grooves, the magnetic stripe rack is arranged on the bottom wall, and the bottom induction coil is pressed between the magnetic stripe rack and the outer surface of the bottom wall.

In the electromagnetic wire coil assembly, the magnetic strip grooves are arranged between two adjacent rows of bottom separation ribs, so that the parts of the bottom induction coils between the two rows of bottom separation ribs are pressed between the magnetic strip frames and the bottom wall.

In the electromagnetic wire coil assembly, the magnetic stripe grooves and the side separation ribs are distributed in a staggered mode in the circumferential direction of the concave coil frame.

In the electromagnetic wire coil assembly, the magnetic strip rack further comprises a center ring, the plurality of magnetic strip grooves are integrally formed on the outer periphery side of the center ring, and the center ring is arranged at the center part of the bottom wall.

In the electromagnetic wire coil assembly, two side walls of the magnetic stripe groove are provided with pressure welding ribs which extend towards the bottom wall direction, and the pressure welding ribs are pressed on the bottom induction coil.

In the electromagnetic wire coil assembly, the side wall is an arc-shaped wall, the side separation rib comprises a fixed end and a free end, and the radius of the circle where the free end is larger than that of the fixed end, so that the side separation rib supports the side induction coil upwards to prevent the side induction coil from falling out of the side winding groove downwards.

In the electromagnetic wire coil assembly, the free end is lower than the fixed end, and an included angle between the side separation rib and the horizontal plane where the bottom wall is located is between 20 degrees and 75 degrees.

In the electromagnetic wire coil assembly, the bottom spacer ribs extend vertically; alternatively, the bottom barrier rib extends obliquely toward a center portion away from the bottom wall.

The utility model also provides a cooking utensil comprising the electromagnetic wire coil assembly according to any one of the technical schemes.

The utility model has the beneficial effects that:

the side separation ribs and the bottom separation ribs are staggered and distributed in the circumferential direction of the concave tray frame, so that the limiting force born by the whole induction coil is uniform, the stability of the induction coil after winding is improved, the induction coil is effectively prevented from falling out of the winding groove, the bottom induction coil and the side induction coil are not required to be fixed through hot pressing or glue spraying, and the problems of unstable fixation of the induction coil or damage of insulating paint on the surface of the induction coil and peculiar smell caused by glue spraying caused by hot pressing are avoided; in addition, the hot pressing or gluing process can be omitted, so that the electromagnetic wire coil assembly is simpler to assemble and lower in manufacturing cost.

The electromagnetic wire coil assembly further comprises a magnetic strip rack and a magnetic conducting strip, the magnetic strip rack comprises a plurality of radial magnetic strip grooves, the magnetic conducting strip is arranged in the magnetic strip grooves, the magnetic strip rack is arranged on the bottom wall, and the bottom induction coil is pressed between the magnetic strip rack and the outer surface of the bottom wall. So designed, the bottom induction coil can be limited down by the magnetic stripe frame to prevent the bottom induction coil from falling out of the bottom winding slot.

The magnetic stripe groove is arranged between two adjacent rows of bottom separation ribs, so that the part of the bottom induction coil between the two rows of bottom separation ribs is pressed between the magnetic stripe frame and the bottom wall. By the design, the magnetic stripe frame can be ensured to be in direct contact with and pressed against the bottom induction coil, so that the limit of the bottom induction coil is further improved, the stability of the bottom induction coil after winding is increased, and the bottom induction coil is further prevented from being separated from the bottom winding groove.

The magnetic stripe grooves and the side separation ribs are distributed in a staggered manner in the circumferential direction of the concave tray frame. By the design, the side spacer bars can be prevented from interfering the magnetic stripe frame, and therefore the machining precision requirement and the mounting precision requirement of the magnetic stripe frame are reduced.

The two side walls of the magnetic stripe groove are provided with press-connection ribs which extend towards the bottom wall direction and are arranged on the bottom induction coil in a press-connection mode. The design can simplify the structure of the magnetic stripe rack, so as to reduce the material cost of the magnetic stripe rack; in addition, the part of the bottom wall of the magnetic stripe groove, which is positioned between the two crimping ribs, can form a heat dissipation gap so as to be beneficial to heat dissipation of the electromagnetic wire coil assembly.

The side wall is the arc wall, and the side separates the muscle and includes stiff end and free end, and the radius of circle that the free end is located is greater than the radius of circle that the stiff end is located to make side separate the muscle upwards support side induction coil prevent that side induction coil from deviating from the side wire winding groove downwards. The design can make the side separate the muscle and extend towards keeping away from the direction slope of diapire relative vertical downwardly extending separate the muscle, like this after side induction coil winds the dress in the side winding groove, the side separates the muscle and can exert ascending holding power or exert ascending holding component force to side induction coil to further avoid side induction coil to deviate from side winding groove downwards, and side separates the muscle structure comparatively simple, easily machine-shaping.

The free end is lower than the fixed end, and the included angle between the side separation rib and the horizontal plane of the bottom wall is between 20 degrees and 75 degrees. Because when winding side induction coil in the side wire winding groove, the concave tray frame is in the buckling state (namely, the bottom wall is upwards), the technical scheme can lead the notch of the side wire winding groove to be obliquely upwards opened when the concave tray frame is in the buckling state, so that the side induction coil is conveniently wound in the side wire winding groove through the notch, the winding difficulty of the side induction coil is reduced, and in addition, the upward supporting effect of the side spacer ribs on the side induction coil is also promoted.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with reference to the accompanying drawings:

fig. 1 is an exploded view of an electromagnetic coil assembly according to a first embodiment of the present utility model;

fig. 2 is an assembled schematic view of an electromagnetic coil assembly according to a first embodiment of the utility model;

FIG. 3 is a schematic view of a concave tray frame according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a concave tray in accordance with an embodiment of the present utility model when the concave tray is in the normal position;

FIG. 5 is an enlarged schematic view of part of the A in FIG. 4;

FIG. 6 is a schematic diagram of a magnetic stripe rack according to an embodiment of the present utility model;

fig. 7 is a cross-sectional view of a solenoid coil assembly according to a first embodiment of the utility model;

fig. 8 is a cross-sectional view of a concave tray in accordance with a second embodiment of the present utility model when the concave tray is in a normal position.

Reference numerals:

100. a concave tray frame; 110. a bottom wall; 120. a sidewall; 130. a bottom spacer bar; 140. side separation ribs; 141. a fixed end; 142. a free end; 200. a bottom induction coil; 300. a side induction coil; 400. a magnetic stripe rack; 410. a magnetic stripe groove; 411. crimping ribs; 420. a center ring; 500. and a magnetic strip.

[ detailed description ] of the utility model

The utility model provides an electromagnetic wire coil assembly, which comprises a concave coil frame and an induction coil, wherein the induction coil comprises a bottom induction coil and side induction coils, the concave coil frame comprises a bottom wall and a side wall, a plurality of rows of bottom isolation ribs which are radially distributed are arranged on the outer surface of the bottom wall, a bottom winding groove is formed between every two adjacent bottom isolation ribs, the bottom induction coil is wound in the bottom winding groove, a plurality of rows of side isolation ribs which are radially distributed are arranged on the outer periphery side of the side wall, a side winding groove is formed between every two adjacent side isolation ribs, the side induction coils are wound in the side winding groove, and the side isolation ribs and the bottom isolation ribs are staggered and distributed in the circumferential direction of the concave coil frame.

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model. In addition, it is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, which refer to an orientation or positional relationship, are merely based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices/elements referred to must have a specific orientation or be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

Example 1

Referring to fig. 1 to 7, the electromagnetic wire coil assembly in this embodiment includes a concave coil frame 100 and an induction coil wound by a single wire, wherein the induction coil includes a bottom induction coil 200 and a side induction coil 300, the concave coil frame 100 includes a bottom wall 110 and a side wall 120, a plurality of rows of bottom ribs 130 radially distributed are further provided on an outer surface of the bottom wall 110, a bottom winding groove is formed between each two adjacent bottom ribs 130, the bottom induction coil 200 is wound in the bottom winding groove, and the bottom ribs 130 vertically extend downward when the concave coil frame 100 is in normal placement. The outer periphery side of the side wall 120 is provided with a plurality of rows of side separation ribs 140 which are radially distributed, each row of side separation ribs 140 extends from the bottom end of the side wall 120 to the top end of the side wall, a side winding groove is formed between every two adjacent side separation ribs 140, a side induction coil 300 is wound in the side winding groove, the side separation ribs 140 and the bottom separation ribs 130 are staggered and distributed in the circumferential direction of the concave tray frame 100, namely, the side separation ribs 140 are not positioned in the radiation direction of the bottom separation ribs 130, so that the whole induction coil is uniformly subjected to limiting force, the stability of the induction coil after winding is improved, the induction coil is effectively prevented from falling out of the winding groove, and therefore, the problems of unstable fixation of the induction coil or damage of insulating paint on the surface of the induction coil and peculiar smell caused by hot pressing do not occur; in addition, the hot pressing or gluing process can be omitted, so that the electromagnetic wire coil assembly is simpler to assemble and lower in manufacturing cost.

Specifically, the electromagnetic wire coil assembly in this embodiment further includes a magnetic stripe frame 400 and a magnetic conductive strip 500, where the magnetic stripe frame 400 includes a plurality of magnetic stripe grooves 410 that are radially distributed, a notch is disposed on a side of the magnetic stripe groove 410 facing away from the side wall 120, the magnetic conductive strip 500 is disposed in the magnetic stripe groove 410 through the notch, the magnetic stripe frame 400 is mounted on the bottom wall 110 through a screw, and the bottom induction coil 200 is pressed between the magnetic stripe frame 400 and the outer surface of the bottom wall 110. So designed, the bottom induction coil 200 can be limited down by the magnetic stripe frame 400 to further prevent the bottom induction coil 200 from falling out of the bottom winding slot.

Preferably, the magnetic stripe groove 410 is disposed between two adjacent rows of bottom ribs 130, such that the portion of the bottom induction coil 200 between the two rows of bottom ribs 130 is pressed between the magnetic stripe frame 400 and the bottom wall 110. By the design, the magnetic stripe frame 400 can be ensured to be in direct contact with and pressed against the bottom induction coil 200, so that the limit of the bottom induction coil 200 is further improved, the stability of the bottom induction coil 200 after winding is increased, and the bottom induction coil 200 is further prevented from falling out of the bottom winding groove.

In addition, the magnetic stripe grooves 410 and the side separation ribs 140 are staggered in the circumferential direction of the concave tray frame 100, that is, the side separation ribs 140 are not located in the radiation direction of the magnetic stripe grooves 410, so that the side separation ribs 140 can be prevented from interfering with the magnetic stripe frame 400, and therefore the processing precision requirement and the mounting precision requirement of the magnetic stripe frame 400 are reduced.

In addition, the magnetic stripe rack 400 in this embodiment further includes a central ring 420, the plurality of magnetic stripe grooves 410 are integrally formed on the outer periphery side of the central ring 420, the central ring 420 is installed at the central portion of the bottom wall 110, and the central portion of the concave tray 100 is further provided with a temperature measuring component penetrating through the central ring 420. In addition, the two side walls of the magnetic stripe slot 410 are further provided with pressure welding ribs 411 extending towards the bottom wall 110, and one side surface shape of the pressure welding ribs 411 towards the bottom wall 110 is matched with the outer surface shape of the bottom wall 110, so that the pressure welding ribs 411 are pressed on the bottom induction coil 200. The design can simplify the structure of the magnetic stripe frame 400 so as to reduce the material cost of the magnetic stripe frame 400; in addition, a heat dissipation gap is formed at the part of the bottom wall of the magnetic stripe groove 410 between the two crimping ribs 411, so as to facilitate heat dissipation of the electromagnetic wire coil assembly.

Finally, the side wall 120 in the embodiment is an arc wall gradually expanding outwards towards the direction far away from the bottom wall 110, all the side isolation ribs 140 extend towards the same direction, the side isolation ribs 140 comprise a fixed end 141 and a free end 142, the fixed end 141 and the side wall 120 are fixedly connected in an integral forming manner, the free end 142 is suspended, the radius of the circle of the free end 142 is larger than that of the fixed end 141, so that the side isolation ribs 140 support the side induction coil 300 upwards to prevent the side induction coil 300 from falling out of the side winding groove downwards. By such design, the side barrier ribs 140 can extend obliquely relative to the barrier ribs extending vertically downwards in a direction away from the bottom wall 110, so that after the side induction coil 300 is wound in the side winding groove, the side barrier ribs 140 can apply an upward supporting force or an upward supporting component force to the side induction coil 300 so as to further prevent the side induction coil 300 from falling out of the side winding groove downwards, and the side barrier ribs 140 are simpler in structure and easy to process and form.

Preferably, as shown in fig. 5, when the concave tray 100 is in the normal position, the free end 142 is lower than the fixed end 141, and the included angle α between the side barrier 140 and the horizontal plane of the bottom wall 110 is between 20 ° and 75 °. Because the concave tray 100 is in the fastening state (as shown in fig. 2, i.e. the bottom wall 110 faces upward) when the side induction coil 300 is wound in the side winding slot, the notch of the side winding slot can be opened obliquely upward when the concave tray 100 is in the fastening state, so that the side induction coil 300 is conveniently wound in the side winding slot through the notch, and the winding difficulty of the side induction coil 300 is reduced; in addition, when the included angle α is smaller than 20 ° and the winding difficulty of the side induction coil 300 is larger, when the included angle α is larger than 75 °, the upward supporting component force applied by the side spacer 140 to the side induction coil 300 is smaller, and the supporting effect is worse, so that the included angle α in the embodiment is preferably 45 °, and the design is convenient for winding the side induction coil 300 in the side winding slot, and the upward supporting effect of the side spacer 140 to the side induction coil 300 is also improved. Of course, alternatively, the included angle α may be, but not limited to, 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 75 °, and the like.

It will be appreciated that in other embodiments of the present utility model, the side barrier ribs may also extend horizontally, i.e. the angle between the side barrier ribs and the horizontal plane of the bottom wall is 0 °; or when the concave tray frame is in normal placement, the free end of the side separation rib is higher than the fixed end, so that the supporting effect of the side separation rib on the side induction coil can be further improved, and the side induction coil is prevented from falling out of the side winding groove.

It will be appreciated that in other embodiments of the utility model, the magnetic strips may also be press-fit onto the bottom spacer bar, and so designed, also to prevent the bottom induction coil from backing out of the bottom wire winding slot.

It will be appreciated that in other embodiments of the utility model, there is no need to provide a crimp bead on the side wall of the magnetic stripe slot, where the bottom wall of the magnetic stripe slot is directly press-fit onto the bottom induction coil.

It will be appreciated that in other embodiments of the utility model, the induction coil is wound from two wires, one of which is wound in the bottom wire slot to form a bottom induction coil and the other of which is wound in the side wire slot to form a side induction coil.

Example two

As shown in fig. 8, compared with the first embodiment, the difference of this embodiment is that, when the concave tray 100 is in the normal position, the bottom rib 130 may also extend downward and obliquely toward a central portion far from the bottom wall 110, and the included angle β between the bottom rib 130 and the plane of the bottom wall 110 is between 20 ° and 75 °.

Example III

The utility model also provides a cooking appliance which can be an electric rice cooker or an electric pressure cooker and comprises the electromagnetic wire coil assembly in the embodiment one.

While the utility model has been described in terms of embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides an electromagnetic wire coil subassembly, includes spill coil holder and induction coil, induction coil includes end induction coil and side induction coil, spill coil holder includes diapire and lateral wall, its characterized in that, the surface of diapire is equipped with and is radial distribution's multiseriate end and separates the muscle, forms the end wire winding groove between every two adjacent end separates the muscle, end induction coil winds the dress at end wire winding inslot, the periphery side of lateral wall is equipped with and is radial distribution's multiseriate side and separates the muscle, forms the side wire winding groove between every two adjacent side separates the muscle, side induction coil winds the dress at the side wire winding inslot, side separates the muscle and separates the muscle to be in with the end the circumference of spill coil holder staggers and distributes.

2. An electromagnetic coil assembly as recited in claim 1, further comprising a magnetic stripe frame and a magnetic conductive strip, the magnetic stripe frame including a plurality of radial magnetic stripe grooves, the magnetic conductive strip being disposed in the magnetic stripe grooves, the magnetic stripe frame being mounted on the bottom wall, the bottom induction coil being press-fit between the magnetic stripe frame and the outer surface of the bottom wall.

3. An electromagnetic coil assembly as set forth in claim 2 wherein the magnetic stripe slots are disposed between adjacent rows of bottom spacer ribs such that the portions of the bottom induction coil between the rows of bottom spacer ribs are press-fit between the magnetic stripe shelf and the bottom wall.

4. An electromagnetic coil assembly as set forth in claim 3, wherein said magnetic stripe slots are offset from said side barrier ribs in a circumferential direction of said female housing.

5. An electromagnetic coil assembly as recited in claim 3, wherein the magnetic stripe housing further comprises a center ring, the plurality of magnetic stripe slots being integrally formed on an outer peripheral side of the center ring, the center ring being mounted to a center portion of the bottom wall.

6. An electromagnetic coil assembly as set forth in claim 5, wherein said magnetic stripe slot has pressure bars extending toward said bottom wall on both side walls thereof, said pressure bars being press-fitted to said bottom induction coil.

7. An electromagnetic coil assembly as set forth in claim 1, wherein the side wall is an arcuate wall, the side barrier rib includes a fixed end and a free end, the free end having a radius of curvature greater than the radius of curvature of the fixed end such that the side barrier rib supports the side induction coil upwardly to prevent the side induction coil from falling downwardly out of the side winding slot.

8. An electromagnetic coil assembly as set forth in claim 7, wherein said free end is lower than said fixed end and said side ribs are at an angle of between 20 ° and 75 ° from the horizontal plane of the bottom wall.

9. An electromagnetic coil assembly as set forth in claim 1, wherein said bottom spacer extends vertically; alternatively, the bottom barrier rib extends obliquely toward a center portion away from the bottom wall.

10. A cooking appliance comprising an electromagnetic coil assembly as claimed in any one of claims 1 to 9.