A motor seal mounting assembly and microwave cooking device

Abstract

The utility model discloses a motor seal installation component and microwave cooking device, including motor main part, motor main part is equipped with motor shaft, sealing mechanism, sealing mechanism includes first sealing piece and second sealing piece, first sealing piece and second sealing piece all are connected in motor shaft, and distribute in the axial direction of motor shaft, first sealing piece includes microwave seal structure. A kind of microwave cooking device, including cooking machine body, microwave generator and the motor seal installation component described.The motor seal installation structure and microwave cooking device of the utility model, it can realize double-layer sealing in the motor shaft setting first sealing piece and second sealing piece, and microwave is blocked with the microwave seal structure of first sealing piece, to effectively prevent microwave leakage.

Description

Technical Field

[0001] This utility model relates to the field of cooking device technology, and in particular to a motor sealing mounting component and a microwave cooking device. Background Technology

[0002] Cooking appliances typically include microwave ovens and microwave-steam-grill combos. When using microwaves, in order to improve the heat flow inside the cooking cavity, fan blades and motor structures are installed in the cooking cavity to drive the internal heat flow. By assembling the fan blades in the cooking cavity, the motor drives the fan blades to rotate to achieve heat dissipation.

[0003] However, during assembly, the motor housing is typically mounted on the outside of the cooking cavity to prevent heat from affecting the motor, while the motor shaft passes through a perforation in the cooking cavity and connects to the fan blades. Therefore, during use, the assembly point between the motor shaft and the cooking cavity needs to be sealed. In related technologies, this is usually achieved using sealing rings or similar materials. However, during microwave heating, because the sealing rings cannot reflect microwaves, microwave leakage still occurs. Utility Model Content

[0004] In order to overcome at least one of the defects of the prior art, the present invention provides a motor sealing mounting assembly and a microwave cooking device, which can achieve double sealing by setting a first seal and a second seal on the motor shaft, and use the microwave sealing structure of the first seal to block microwaves, thereby effectively preventing microwave leakage.

[0005] The technical solution adopted by this utility model to solve its problem is:

[0006] A motor sealing mounting assembly, comprising,

[0007] The motor body is provided with a motor shaft;

[0008] A sealing mechanism, comprising a first sealing element and a second sealing element, both connected to the motor shaft and distributed axially along the motor shaft; the first sealing element comprises a microwave sealing structure.

[0009] As an optional implementation, the microwave sealing structure includes a metal retaining ring, which is fitted onto the outside of the motor shaft.

[0010] As an optional implementation, the metal retaining ring includes two retaining ring segments, which are detachably joined together.

[0011] As an optional implementation, the second seal includes a sealing sleeve; the metal retaining ring and the sealing sleeve are distributed circumferentially on the motor shaft; the outer diameter of the sealing sleeve is larger than the outer diameter of the metal retaining ring.

[0012] As an optional implementation, the end of the sealing sleeve is provided with a sealing groove, and the metal retaining ring is installed in the sealing groove.

[0013] As an optional implementation, the end of the metal retaining ring opposite to the second seal has a mesh structure.

[0014] As an optional implementation, the motor sealing mounting assembly further includes a mounting plate, through which the motor shaft passes in sequence, passing through the mounting plate, the second seal, and the first seal; the mounting plate is provided with a connecting structure.

[0015] As an optional implementation, the mounting plate is fitted onto the outer periphery of the second seal.

[0016] As an optional implementation, the end of the motor shaft that protrudes from the first seal is provided with a connector.

[0017] A microwave cooking device includes a cooking body, a microwave generator, and a motor sealing and mounting assembly. The cooking body has a cooking cavity and a through hole. The motor body is mounted on the cooking body, and the motor shaft passes through the through hole so that the first seal and the second seal are sealed in the through hole.

[0018] In summary, this utility model has the following technical effects:

[0019] Because the motor shaft is equipped with a first seal and a second seal, when heat leaks from the cooking cavity through the through hole of the cooking body, it will be blocked by the first seal and the second seal in a double layer, blocking microwave and heat leakage layer by layer. This improves the sealing effect and can effectively reduce the overflow of internal heat and microwaves, improve the heat utilization rate of the cooking cavity, and at the same time reduce the impact of overflowing heat on the motor body outside the cooking cavity. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is an exploded structural diagram of the motor sealing mounting assembly of this utility model;

[0022] Figure 2 This is a partially exploded structural diagram of the motor sealing mounting assembly of this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the motor sealing mounting assembly of this utility model;

[0024] Figure 4 This is a cross-sectional view of the motor sealing mounting assembly of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the microwave cooking device of this utility model;

[0026] Figure 6 This is a schematic diagram of the microwave cooking device of this utility model from another perspective.

[0027] The meanings of the reference numerals in the attached drawings are as follows: 10, motor body; 11, motor shaft; 12, connector; 20, sealing mechanism; 21, first seal; 211, mesh structure; 22, second seal; 221, sealing groove; 30, mounting plate; 31, connecting structure; 40, fan blade; 50, cooking body; 51, cooking cavity; 511, side wall of the cooking cavity; 52, microwave generator. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0030] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0031] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0032] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0033] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0034] Example 1,

[0035] See Figures 1-4 This utility model discloses a motor sealing installation assembly, including a motor body 10 and a sealing mechanism 20. A motor shaft 11 is provided on the motor body 10. The sealing mechanism 20 includes a first sealing element 21 and a second sealing element 22. The first sealing element 21 and the second sealing element 22 are both connected to the motor shaft 11 and distributed in the axial direction of the motor shaft 11. The first sealing element 21 includes a microwave sealing structure.

[0036] Based on the above structure, when using the motor sealing mounting assembly of this utility model, the motor sealing mounting assembly can be installed in a microwave cooking device, such as a microwave oven in the related technology, or a microwave-steam-grill combination oven or other devices that can perform microwave cooking.

[0037] During assembly, the motor body 10 can be mounted on the cooking body 50, and the motor shaft 11 of the motor body 10 can extend into the cooking cavity 51 of the cooking body 50 through the through hole of the cooking body 50, and connect with the fan blade 40 used to drive the heat flow in the cooking cavity 51. Since the motor shaft 11 is provided with a first seal 21 and a second seal 22 in the axial direction, after being assembled to the cooking body 50, the first seal 21 and the second seal 22 can be pressed and connected to the cooking body 50 in the axial direction to seal the through position on the cooking body 50 for the motor shaft 11.

[0038] Since the motor shaft 11 is provided with a first seal 21 and a second seal 22 in the axial direction, when heat in the cooking cavity 51 leaks through the through hole of the cooking body 50, it will be blocked by the first seal 21 and the second seal 22 in a double layer, blocking microwave and heat leakage layer by layer. Improving the sealing effect can effectively reduce the overflow of internal heat and microwaves, improve the heat utilization rate in the cooking cavity 51, and at the same time reduce the impact of overflowing heat on the motor body 10 outside the cooking cavity 51.

[0039] It should be noted that, since the first seal 21 has a microwave sealing structure, if the first seal 21 is close to the inside of the cooking cavity 51 and the second seal 22 is far away from the cooking cavity 51, then the microwave sealing structure on the inside can approach the microwave source of the cooking cavity 51 and block the microwaves first. The second seal 22 on the outside further blocks the microwaves that may pass through the microwave sealing structure of the first seal 21, thereby effectively reducing microwave leakage in the cooking cavity 51.

[0040] Of course, if the second seal 22 is close to the inside of the cooking cavity 51 and the first seal 21 is far away from the cooking cavity 51, the second seal 22 on the inside can block heat from escaping. If microwaves cannot be effectively blocked, they can be blocked by the microwave sealing structure of the first seal 21 on the outside, thereby reducing microwave leakage.

[0041] As an optional implementation, the microwave sealing structure includes a metal retaining ring, which is fitted onto the outside of the motor shaft 11.

[0042] Because the first sealing element 21 is equipped with a metal retaining ring, the metal material effectively reflects and shields microwaves, thus physically blocking them and preventing microwave leakage. Furthermore, due to the ductility of the metal retaining ring, it can effectively fit tightly against the connection point between the cooking unit 50 and the motor shaft 11 when compressed, reducing the gap at the assembly point of the motor shaft 11 and thereby reducing microwave propagation through the gap, resulting in a better microwave leakage prevention effect.

[0043] Of course, in some related implementation structures, the first sealing element 21 can be provided with a metal retaining ring, or two or more metal retaining rings can be used to achieve layer-by-layer sealing. In addition, the first sealing element 21 includes a metal retaining ring and a sealing rubber sleeve. The metal retaining ring absorbs and shields microwaves to prevent microwave leakage, while the configured sealing rubber sleeve can work with the metal retaining ring to form a larger sealing surface, thereby improving the sealing effect.

[0044] As an optional implementation, the metal retaining ring includes two retaining ring segments that are detachably spliced ​​together. Thus, during assembly, the retaining ring segments can be directly spliced ​​together from both radial sides of the motor shaft 11 and fitted onto the outside of the motor shaft 11 to seal with the second seal 22.

[0045] If the annular metal retaining ring structure is directly used to assemble with the motor shaft 11, then the annular metal retaining ring structure needs to be inserted from the end of the motor shaft 11. In this case, during assembly, the annular metal retaining ring can be assembled first, and then the fan blade 40 structure can be connected to the end of the motor shaft 11. The fan blade 40 is assembled inside the cooking cavity 51, and the metal retaining ring of the first sealing element 21 is sealed by the insertion outside the cooking cavity 51. In this case, the outer diameter of the insertion hole needs to be set to be larger than the outer diameter of the metal retaining ring. However, the outer diameter of the motor shaft 11 is smaller than the metal retaining ring, which will result in a larger assembly gap that needs to be sealed.

[0046] Therefore, in this embodiment, two retaining ring segments are selected to form a metal retaining ring. The end of the motor shaft 11 can be inserted into the cooking cavity 51 through the through hole and connected to the fan blade 40. The first sealing member 21 can be assembled on the part of the motor shaft 11 located outside the cooking cavity 51, which is convenient for assembly. Moreover, the through hole on the cooking cavity 51 only needs to match the outer diameter of the motor shaft 11, which reduces the assembly gap between the motor shaft 11 and the cooking body 50 after assembly, thereby improving the sealing effect.

[0047] As an optional implementation, the second seal 22 includes a sealing sleeve, and the metal retaining ring and the sealing sleeve are distributed in the circumferential direction of the motor shaft 11, with the outer diameter of the sealing sleeve being larger than the outer diameter of the metal retaining ring.

[0048] During the assembly process, pressure is applied to the first seal 21 and the second seal 22. Since the second seal 22 is a sealing sleeve, the sealing sleeve will deform under pressure to form a larger sealing surface. At the same time, the sealing sleeve has a restoring elastic force after deformation, which can be applied to the metal retaining ring for pre-tight assembly. The resulting sealing structure is more robust.

[0049] As an optional implementation, a sealing groove 221 is provided in the end of the sealing sleeve, and a metal retaining ring is installed in the sealing groove 221. In this way, the metal retaining ring can be covered by the sealing groove 221 of the sealing sleeve. When the sealing sleeve is deformed under force, it can fill the assembly gap between the metal retaining ring and the sealing sleeve. Therefore, a seal can be formed on the outer periphery of the metal retaining ring to prevent heat and microwaves from leaking through the assembly gap between the metal retaining ring and the sealing sleeve.

[0050] In addition, if the metal retaining ring is formed by splicing two retaining ring segments, the two retaining ring segments can be pre-installed into the sealing groove 221 of the sealing sleeve. In this way, the sealing sleeve can be pressed tightly against the two retaining ring segments after being formed under pressure, which is convenient for assembly.

[0051] As an optional implementation, the end of the metal retaining ring away from the second sealing element 22 is provided with a mesh structure 211. Specifically, the mesh structure 211 can be machined at the end of the metal retaining ring, or a metal mesh structure can be used as the metal retaining ring. Due to the mesh structure 211, when assembling the sealing mechanism 20, both the first sealing element 21 and the second sealing element 22 can be installed at the through-hole position of the motor shaft 11 of the microwave cooking device, and assembled with the cooking body 50 by screw structure or mounting plate 30 structure. During the assembly process, pressure is applied to the first sealing element 21 and the second sealing element 22. Since the second sealing element 22 is selected as a sealing sleeve, the sealing sleeve will deform under pressure to form a larger sealing surface. At the same time, the sealing sleeve has a restoring elastic force after deformation, which can be applied to the metal retaining ring. The mesh structure 211 of the metal retaining ring has a compression amount, so it can fit more tightly to the assembly position of the cooking body 50 under the action of the restoring elastic force of the second sealing element 22, and perform pre-tight assembly. The resulting sealing structure is more robust.

[0052] As an optional implementation, the motor sealing mounting assembly also includes a mounting plate 30. The motor shaft 11 passes through the mounting plate 30, the second seal 22, and the first seal 21 in sequence, and the mounting plate 30 is provided with a connecting structure 31. When assembling the motor shaft 11 with the through hole of the cooking body 50, the motor shaft 11 can pass through the mounting plate 30, the second seal 22, and the first seal 21 in sequence, and then pass through the through hole into the interior of the cooking cavity 51 to connect with the fan blade 40. In this way, the connecting structure 31 on the mounting plate 30 can be connected to the cooking body 50, applying pressure to the second seal 22 and the first seal 21, making the sealing structure more stable.

[0053] In some implementations, the connecting structure 31 on the mounting plate 30 can be a connecting hole or a snap-fit ​​structure. If a connecting hole is selected, screws or bolts can be connected to the connecting hole to connect the mounting plate 30 to the cooking body 50. If a snap-fit ​​structure is selected, a slot or groove structure can be provided on the cooking body 50 to snap the mounting plate 30 into the cooking body 50.

[0054] As an optional implementation, the mounting plate 30 is fitted onto the outer periphery of the second seal 22. In this case, the assembly center of the mounting plate 30 is coaxially assembled with the motor shaft 11 as the axis, which can axially press the second seal 22 and the first seal 21, reducing the possibility of pressure offset.

[0055] As an optional implementation, the end of the motor shaft 11 that protrudes from the first seal 21 is provided with a connector 12. The connector 12 can be a threaded connector 12, so that after the motor shaft 11 is inserted into the cooking cavity 51, it can be threaded to the fan blade 40. Of course, the connector 12 can be a connecting key, which can be inserted into the keyway of the fan blade 40 after being inserted into the cooking cavity 51.

[0056] The specific connection method between the connector 12 of the motor shaft 11 and the fan blade 40 is selected and set according to actual needs.

[0057] Example 2,

[0058] See Figures 1-6 The microwave cooking device shown includes a cooking body 50, a microwave generator 52, and a motor sealing mounting assembly. The cooking body 50 is provided with a cooking cavity 51 and a through hole. The motor body 10 is mounted on the cooking body 50, and the motor shaft 11 passes through the through hole so that the first seal 21 and the second seal 22 are sealed in the through hole.

[0059] During microwave heating, food ingredients are placed inside the cooking cavity 51 of the cooking unit 50. The microwave generator 52 generates microwaves to heat the food ingredients inside the cooking cavity 51. The motor shaft 11 drives the fan blades 40 to rotate, ensuring even heat distribution within the cooking cavity 51 and improving cooking results. Of course, the structure and working principle of the microwave generator 52 generating microwaves to heat the cooking cavity 51 are existing technologies and not the subject of this application; therefore, they will not be described in detail here.

[0060] During assembly, the motor body 10 can be mounted on the cooking body 50, and the motor shaft 11 of the motor body 10 can extend into the cooking cavity 51 of the cooking body 50 through the through hole of the cooking body 50, and connect with the fan blade 40 used to drive the heat flow in the cooking cavity 51. Since the motor shaft 11 is provided with a first seal 21 and a second seal 22 in the axial direction, after being assembled to the cooking body 50, the first seal 21 and the second seal 22 can be pressed and connected to the cooking body 50 in the axial direction to seal the through position on the cooking body 50 for the motor shaft 11.

[0061] Since the motor shaft 11 is provided with a first seal 21 and a second seal 22 in the axial direction, when heat in the cooking cavity 51 leaks through the through hole of the cooking body 50, it will be blocked by the first seal 21 and the second seal 22 in a double layer, blocking microwave and heat leakage layer by layer. Improving the sealing effect can effectively reduce the overflow of internal heat and microwaves, improve the heat utilization rate in the cooking cavity 51, and at the same time reduce the impact of overflowing heat on the motor body 10 outside the cooking cavity 51.

[0062] It should be noted that, since the first sealing member 21 has a microwave sealing structure, in this embodiment, the preferred implementation structure is that the first sealing member 21 is close to the inside of the cooking cavity 51 and the second sealing member 22 is far away from the cooking cavity 51. In this way, the microwave sealing structure on the inside can approach the microwave source of the cooking cavity 51 and block the microwaves first, while the second sealing member 22 on the outside further blocks the microwaves that may pass through the microwave sealing structure of the first sealing member 21, thereby effectively reducing microwave leakage in the cooking cavity 51.

[0063] Of course, the motor sealing mounting assembly in this embodiment is the same as that in Embodiment 1, and its application to other structures and effects in the microwave cooking device is the same as that in Embodiment 1, so it will not be described in detail here.

[0064] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A motor sealing mounting assembly, characterized in that, include, The motor body is provided with a motor shaft; A sealing mechanism, comprising a first sealing element and a second sealing element, both connected to the motor shaft and distributed axially along the motor shaft; the first sealing element comprises a microwave sealing structure.

2. The motor sealing mounting assembly according to claim 1, characterized in that, The microwave sealing structure includes a metal retaining ring, which is fitted onto the outside of the motor shaft.

3. The motor sealing mounting assembly according to claim 2, characterized in that, The metal retaining ring includes two retaining ring segments, which are detachably joined together.

4. The motor sealing mounting assembly according to claim 3, characterized in that, The second seal includes a sealing sleeve; the metal retaining ring and the sealing sleeve are distributed circumferentially on the motor shaft; the outer diameter of the sealing sleeve is larger than the outer diameter of the metal retaining ring.

5. The motor sealing mounting assembly according to claim 4, characterized in that, The sealing sleeve has a sealing groove at its end, and the metal retaining ring is installed in the sealing groove.

6. The motor sealing mounting assembly according to claim 2, characterized in that, The end of the metal retaining ring opposite to the second seal has a mesh structure.

7. The motor sealing mounting assembly according to any one of claims 1-6, characterized in that, The motor sealing mounting assembly also includes a mounting plate, through which the motor shaft passes in sequence, passing through the mounting plate, the second seal, and the first seal; the mounting plate is provided with a connecting structure.

8. The motor sealing mounting assembly according to claim 7, characterized in that, The mounting plate is fitted onto the outer periphery of the second seal.

9. The motor sealing mounting assembly according to any one of claims 7, characterized in that, The end of the motor shaft that protrudes from the first seal is provided with a connector.

10. A microwave cooking apparatus, characterized in that, The invention includes a cooking body, a microwave generator, and a motor sealing mounting assembly according to any one of claims 1-9. The cooking body is provided with a cooking cavity and a through hole. The motor body is mounted on the cooking body. The motor shaft passes through the through hole and is connected to a fan blade, so that the first seal and the second seal are sealed in the through hole.

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