CN215226572U

CN215226572U - Intelligent disinfection children tableware

Info

Publication number: CN215226572U
Application number: CN202121308866.0U
Authority: CN
Inventors: 王槐亮; 颜振周
Original assignee: Yishan Hangzhou Technology Co ltd
Current assignee: Yishan Hangzhou Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-21
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the field of disinfection equipment, in particular to an intelligent disinfection children tableware, which comprises a body and a seat body for receiving the body, wherein the body and the seat body are combined in a separable way, an open cavity is formed in the body, and the top of the cavity is formed as the edge part of the body; the pedestal includes: a sterilizing device, and a switching device for turning on or off the sterilizing device; when the body is buckled on the base body in a mode that the opening faces the base body, the switch device is triggered by the opening edge part to open the disinfection device so as to disinfect the containing cavity, and when the body is placed on the base body in a mode that the opening faces back to the base body, the disinfection device is closed. The utility model discloses portable can effectively kill the germ, and the protection children's is healthy.

Description

Intelligent disinfection children tableware

Technical Field

The utility model relates to a disinfecting equipment field especially relates to an intelligence disinfection children tableware.

Background

With the opening of three births in China, the birth rate of newborns is gradually increased, and people pay more and more attention to the safety of children in all aspects. In general, the immunity and resistance of children are not as good as those of adults due to the fact that diseases enter from the mouth, and children are easily infected by bacteria to cause acute diseases, so that tableware of children needs to be disinfected frequently to ensure the health of the children. In the prior art, tableware is generally disinfected by using a disinfection cabinet, but the disinfection cabinet has a large volume, cannot be carried about and is not convenient enough to use.

Therefore, the utility model provides a portable intelligent disinfection children's tableware can disinfect to the tableware body, improves its cleanliness factor greatly, is favorable to children's healthy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the prior art is not enough to be overcome, and an intelligent disinfection children tableware is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an intelligent disinfection children tableware comprises a body and a seat body for receiving the body, wherein the body and the seat body are combined in a separable mode, the inner side of the body is constructed into a cavity with an opening, and the top of the cavity is formed into an opening edge part of the body; the pedestal includes: a sterilizing device, and a switching device for turning on or off the sterilizing device; when the body is buckled on the base body in a mode that the opening faces the base body, the switch device is triggered by the opening edge part to open the disinfection device so as to disinfect the containing cavity, and when the body is placed on the base body in a mode that the opening faces back to the base body, the disinfection device is closed.

Preferably, a power supply device is arranged in the seat body, a battery is arranged in the body, and when the body is placed on the seat body in a manner that the opening faces away from the seat body, the power supply device is electrically connected with the battery for charging.

Preferably, a power supply device is arranged in the seat body, a heating device is arranged in the body, and when the body is placed on the seat body in a manner that the opening faces away from the seat body, the power supply device is electrically connected with the heating device to heat.

Preferably, the switching device is one of a micro-switch, a conductive electrode, a capacitive sensor and an inductive sensor.

Preferably, a first supporting portion adapted to the bottom of the body and a second supporting portion adapted to the mouth edge portion of the body are disposed in the seat body, and the switch device is disposed on the second supporting portion.

Preferably, the first support part is disposed inside the second support part such that the first support and the second support part are arranged to be offset from each other.

Preferably, at least two bosses are formed on the second supporting portion, conductive electrodes are arranged on the bosses, and the opening edge portion is configured to enable the conductive electrodes on the at least two bosses to be conducted with each other so as to start the disinfection device.

Specifically, the disinfection device is one or more of a UV lamp, a negative ion generator, an ultrasonic generator and a hot air blower.

Preferably, the body includes shell and metal inner bag, the metal inner bag is turned over to the outside and is formed oral edge portion.

Preferably, a controller is arranged in the seat body, the switch device and the disinfection device are both electrically connected to the controller, and the controller opens and closes the disinfection device according to a switch signal generated by the switch device.

The utility model also provides an intelligent disinfection children tableware, which comprises a body and a seat body for receiving the body, wherein the body and the seat body are combined in a separable way, and the inner side of the body is structured to be an accommodating cavity with an opening; the base body is provided with a disinfection device, and the disinfection device is suitable for being opened to disinfect and sterilize the cavity when the body is buckled on the base body in a way that the opening faces the base body.

Preferably, the disinfection device further comprises a control part which is suitable for being operated by a user to control the disinfection device to be opened and closed, and the control part is arranged on the body, the base body or the remote controller.

Specifically, the disinfection device is a combination of one or more of a UV lamp, an anion generator, an ultrasonic generator and a hot air blower.

Specifically, the seat body is internally provided with a first supporting part matched with the bottom of the body and a second supporting part matched with the mouth edge part of the body, and the first supporting part is arranged on the inner side of the second supporting part so that the first supporting part and the second supporting part are arranged in a staggered manner.

Owing to adopted above technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses a be equipped with degassing unit in the pedestal and be used for opening or closing degassing unit's switching device, when detaining the mode of body with the opening towards the pedestal and put on the pedestal, switching device can open degassing unit in order to disinfect to holding the chamber, when placing the body on the pedestal with the mode of opening pedestal dorsad, degassing unit will close, need not to use large-scale degassing unit such as sterilizer to disinfect to the tableware body.

2. Be provided with the bottom that first supporting part supported the body in the pedestal, still be provided with the mouth edge portion that the second supporting part supported the body, make the body and more stable combination of pedestal, the security when guaranteeing children to use.

3. The mouth edge portion is turned over the formation to the outside by metal inner bag, sets up two at least conductive electrode on the second supporting part, and when the body was buckled with the mode of opening towards the pedestal and was put on the second supporting part, mouth edge portion and conductive electrode contact made conductive electrode switch on each other in order to open degassing unit, the utility model discloses portable and easy operation are convenient, avoid breeding the bacterium on the tableware, are favorable to protecting children's healthy.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.

Fig. 1 is a schematic diagram of a charging state according to a first embodiment.

Fig. 2 is a schematic view of the disinfection state in the first embodiment.

Fig. 3 is a top side view of the body in a first embodiment.

Fig. 4 is an exploded view of fig. 3.

FIG. 5 is a bottom view of the body in the first embodiment.

FIG. 6 is a structural view of a base in accordance with an embodiment.

FIG. 7 is an enlarged view of the section A in FIG. 6 according to the first embodiment.

Fig. 8 is a schematic structural diagram of the second embodiment.

Reference numerals:

1. a body; 11. a housing; 12. a metal liner; 121. a cavity; 122. a mouth edge portion; 123. an upper coupler; 2. a base body; 21. a sterilizing device; 22. a switching device; 221. a boss; 222. a conductive electrode; 23. a lower coupler; 24. a first support section; 25. a second support portion; 26. a drain hole; 3. a control unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

The first embodiment is as follows:

referring to fig. 1 to 6, the present invention provides an intelligent sterilized tableware for children, which includes a main body 1 and a base 2 for receiving the main body 1, wherein the main body 1 is placed on the base 2 and the main body 1 and the base are detachably connected, the inner side of the main body 1 is configured to have an open cavity 121, the cavity 121 is used for accommodating food, a cover is fastened at the opening to help keep warm and prevent the food from spilling, and the top of the cavity 121 is formed as a rim 122 of the main body 1. Specifically, the body 1 can be a heat preservation bowl or a heat preservation dinner plate for children, and is the heat preservation bowl in this embodiment, and the body 1 is the bowl body of the heat preservation bowl. The housing 2 comprises a sterilizing device 21 for sterilizing the children's tableware, and a switch device 22, the switch device 22 being used for turning on or off the sterilizing device 21. When the body 1 is fastened on the seat 2 with the opening facing the seat 2, the opening edge 122 of the switch device 22 is triggered to open the sterilizing device 21 to sterilize the cavity 121, and when the body 1 is placed on the seat 2 with the opening facing away from the seat 2, the sterilizing device 21 is closed. Specifically, the switch device 22 generates a control signal for controlling the opening of the disinfection device 21 when triggered by the body 1, the control signal may be directly transmitted to the main controller in the form of an electrical signal, a bluetooth signal, an electromagnetic signal, or the like, or may directly control the opening and closing of the disinfection device 21, for example, the switch device 22 is directly connected in series with the disinfection device 21, when the switch device 22 is closed, the disinfection device 21 starts to operate, and when the switch device 22 is opened, the disinfection device 21 stops operating. The switch device 22 may be a mechanical switch such as a microswitch or a travel switch, various displacement or position sensors, or a separable electrode.

As shown in fig. 3 and 4, when the main body 1 is a heat preservation bowl, it includes a housing 11 and a metal inner container 12, a rechargeable battery and a heating device are installed in the installation cavity between the housing 11 and the metal inner container 12, the heating device is a PTC, the rechargeable battery is a lithium battery, and it is connected with the PTC heating component through a heating control circuit. The opening edge part 122 of the metal inner container 12 is folded and wrapped on the upper part of the outer shell 11.

In this embodiment, the base 2 and the body 1 are detachably combined, the body 1 is placed on the base 2 with the opening facing upwards when charging is needed, and the body 1 is buckled on the base 2 with the opening facing downwards when disinfection is needed. Be provided with degassing unit 21 at the top of pedestal 2, when the opening of body 1 was towards pedestal 2 and detained and put on pedestal 2, the mouth of opening part along portion 122 trigger switch device 22 to make degassing unit 21 begin to disinfect the interior appearance chamber 121 of opening, when the opening of body 1 was dorsad pedestal 2, the bottom of body 1 and pedestal 2 contact can not trigger switch device 22, and degassing unit 21 can not open. The utility model discloses simple structure and portable, it is very convenient that the user uses, buckles the bowl and puts and just can disinfect, no longer needs large-scale devices such as sterilizer to disinfect to tableware body 1, is fit for the family and uses.

The base 2 may be defined as a charging base. A power supply device is arranged in the seat body 2, and the power supply device comprises a power supply control circuit and a lower coupler 23. As shown in fig. 5, be provided with lithium cell and last coupler 123 in the body 1, lithium cell and last coupler 123 electric connection, when body 1 placed on pedestal 2 with the mode of opening pedestal 2 dorsad, go up coupler 123 and lower coupler 23 and connect, make the power supply unit in the pedestal 2 pass through the power supply control circuit and charge the lithium cell in the body 1, this lithium cell can be for the heating device energy supply, make children eat the meal of fresh heat, and is very practical. The user can heat the food in the cavity 121 without using a heating tool such as a microwave oven, thereby simplifying the steps required for eating and achieving the purpose of saving time.

In this embodiment, the switch device 22 is the conductive electrode 222, the body 1 includes the outer shell 11 and the inner container made of metal material, the upper end (i.e. the opening) of the metal inner container 12 is turned over outwards to wrap the upper end of the outer shell 11, the turned portion of the metal inner container 12 forms the opening edge portion 122, when the body 1 is fastened on the base 2 in a manner that the opening faces the base 2, the opening edge portion 122 made of metal material makes the conductive electrode 222 conducted with each other, and then the sterilizing device 21 is opened to sterilize the cavity 121. In another embodiment, the switch device 22 is a microswitch, which is a switch using a very small force, as its name implies, and the principle is that an external mechanical force acts on the action reed through the transmission element, so that the fixed contact and the movable contact at the end of the action reed are quickly connected or disconnected. At this time, the inner container of the main body 1 does not need to be made of metal material to trigger the switch device 22. Of course, the switching device 22 may also be a capacitive sensor or an inductive sensor. When a displacement or distance sensor is used, the lip portion 122 may generate a trigger signal that triggers operation of the disinfection device when it approaches or contacts the displacement or distance sensor.

As shown in fig. 6 and 7, a first support portion 24 adapted to the bottom of the main body 1 and a second support portion 25 adapted to the opening portion 122 of the main body 1 are disposed in the seat body 2, and the switch device 22 is disposed on the second support portion 25. The first support part 24 and the second support part 25 are arranged in a staggered manner, when the body 1 is placed on the seat body 2 with the opening facing upwards, the bottom of the body 1 is in contact with the first support part 24, so that the switch device arranged on the first support part 25 cannot be triggered, and the opening edge part of the body 1 can be triggered to act when contacting the switch device 22 on the first support part 24.

In this embodiment, when the opening of the main body 1 is placed back to the seat 2, the bottom of the main body 1 abuts against the first supporting portion 24, so that the user can take food from the opening of the main body 1; when the opening of the main body 1 is buckled toward the seat body 2, the opening edge portion 122 abuts against the second supporting portion 25, the switch device 22 is arranged on the second supporting portion 25, and the opening edge portion 122 abuts against the second supporting portion 25, the opening edge portion can be in contact with the switch device 22, and the disinfection device 21 is further started.

The first support part 24 is arranged inside the second support part 25, and since the diameter of the mouth edge part 122 is larger than that of the bottom part of the body 1 and the second support part 25 needs to abut against the mouth edge part 122, the diameter of the second support part 25 is larger than that of the first support part 24 and the first support part 24 is arranged inside the second support part 25, thereby enabling the body 1 and the seat body 2 to be stably combined.

At least two bosses 221 are formed on the second supporting portion 25, the conductive electrodes 222 are disposed on the bosses 221, and the opening edge portion 122 is configured to enable the conductive electrodes 222 on the at least two bosses 221 to be conducted with each other to start the sterilizing device 21.

In this embodiment, three bosses 221 are formed on the second supporting portion 25, wherein two of the bosses 221 are configured with the conductive electrodes 222, and the opening edge portion 122 formed by the outward turning of the metal inner container 12 can conduct the two conductive electrodes 222, so as to open the sterilizing device 21, that is, when the opening of the main body 1 is buckled on the seat body 2 in a manner of facing the seat body 2, the sterilizing process can be started. When the mouth edge portion 122 of the body 1 is separated from the second supporting portion 25, the sterilization process is finished.

The sterilizing device 21 is one or more of a UV lamp, an anion generator, an ultrasonic generator, and a hot air blower. In this embodiment, the disinfecting device 21 is a UV lamp, which can release ultraviolet rays to the cavity 121 for disinfection. In another embodiment, the sterilizing device 21 is an anion generator. In a further embodiment, the sterilizing device 21 is an ultrasonic generator. Of course, the sterilizing device 21 may be a hot air blower or a combination of the sterilizing devices 21, so as to achieve the purpose of killing pathogenic bacteria.

The base is formed with a drain hole 26 for draining the liquid falling into the base body 2 when the body 1 is buckled on the base body 2, the body 1 needs to be cleaned after being filled with food, and the residual water is avoided, and the liquid is drained from the base body 2 after being dropped into the base body 2, so the base is provided with the drain hole 26, and particularly, the drain hole 26 is arranged on the first supporting part 24.

The base body 2 has a controller (not shown in the figure) therein, the switch device 22 and the disinfection device 21 are electrically connected to the controller, and the controller turns on and off the disinfection device 21 according to a switch signal generated by the switch device 22. When the brim part 122 contacts the second support part 25, the switch device 22 generates a switch signal to transmit to the controller, and then the controller controls the sterilizing device 21 to start to release the ultraviolet rays for sterilization.

In this embodiment, the handles are arranged on two sides of the body 1, so that the children can be prevented from being scalded when using the electric heating cooker.

Example two:

as shown in fig. 8, the utility model provides an intelligent sterilized children tableware, which comprises a body 1 and a seat body 2 for receiving the body 1, wherein the body 1 and the seat body 2 are combined in a separable way, and the inner side of the body 1 is structured to be a cavity 121 with an opening; the base body 2 is provided with a sterilizing device 21, and the sterilizing device 21 is suitable for being opened to sterilize and disinfect the cavity 121 when the body 1 is buckled on the base body 2 in a way that the opening faces the base body 2. In operation, the user can place the body 1 on the base 2 and start the sterilizing device 21 to sterilize the cavity 121. The base 2 may be defined as a charging base.

In this embodiment, when the opening of body 1 placed to pedestal 2 dorsad, its appearance chamber 121 was used for holding the meal, when needing to disinfect inside appearance chamber 121, placed body 1 opening towards pedestal 2, then opened degassing unit 21 and disinfected.

The intelligent disinfection children tableware further comprises a control part 3 which is suitable for being operated by a user to control the disinfection device 21 to be opened and closed, and the control part 3 is arranged on the body 1, the seat body 2 or the remote controller. In the present embodiment, the control part 3 is disposed on the body 1, specifically, the control part 3 is a button-type control panel, and a user directly controls the disinfecting device 21 by controlling a disinfecting button or a touch button on the control panel, so as to directly control the on/off of the disinfecting device 21. In other embodiments, the operation part 3 may also be an operation key provided on the seat body 2, or a remote controller, which may be a mobile intelligent device (e.g. a mobile phone, a smart watch, etc.), and the two are connected through bluetooth or infrared.

The sterilizing device 21 is a combination of one or more of a UV lamp, an anion generator, an ultrasonic generator, and a hot air blower. In this embodiment, degassing unit 21 is the combination of UV lamp and air heater, and after the UV lamp finishes disinfecting holding chamber 121, the air heater can dry holding chamber 121, because body 1 can remain some water after finishing wasing, if not drying again and breed the bacterium.

Be provided with power supply unit in the pedestal 2, be provided with the battery in the body 1, when body 1 placed on pedestal 2 with the mode of opening dorsad pedestal 2, power supply unit is connected with the battery electricity and charges, power supply unit includes power supply control circuit and the lower coupler 23 of being connected with power supply control circuit, and the battery is connected with upper coupler 123, and when upper coupler 123 and lower coupler 23 cooperate, power supply unit realizes the electricity with the battery and is connected in order to charge.

Be provided with power supply unit in the pedestal 2, be provided with heating device in this body 1, when body 1 placed on pedestal 2 with the mode of opening dorsad pedestal 2, power supply unit is connected with heating device electricity and heats the food that holds in the chamber 121, and the user no longer needs heating tools such as microwave oven.

The seat body 2 is internally provided with a first supporting part 24 matched with the bottom of the body 1 and a second supporting part 25 matched with the opening edge part 122 of the body 1, the first supporting part 24 is arranged at the inner side of the second supporting part 25 so as to lead the first supporting part 24 and the second supporting part 25 to be arranged in a mutually staggered way, thus leading the body 1 to be stably combined with the seat body 2 no matter the body is arranged in a way that the opening faces the seat body 2 or the opening faces away from the seat body 2, and the phenomena of inclination and the like can not occur.

Other structures of this embodiment are substantially the same as those of the first embodiment, and are not described in detail here.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An intelligent disinfection children tableware comprises a body and a seat body for receiving the body, wherein the body and the seat body are combined in a separable mode, the inner side of the body is constructed into a cavity with an opening, and the top of the cavity is formed into an opening edge part of the body; it is characterized in that, the pedestal includes:

a sterilizing device, and

a switching device for turning on or off the sterilizing device;

when the body is buckled on the base body in a mode that the opening faces the base body, the switch device is triggered by the opening edge part to open the disinfection device so as to disinfect the containing cavity, and when the body is placed on the base body in a mode that the opening faces back to the base body, the disinfection device is closed.

2. The intelligent disinfected tableware for children of claim 1, wherein a power supply device is provided in said base, a battery is provided in said body, and said power supply device is electrically connected to said battery for charging when said body is placed on said base with said opening facing away from said base.

3. The intelligent disinfection children's tableware of claim 1, wherein a power supply device is disposed in the seat, a heating device is disposed in the body, and the power supply device is electrically connected to the heating device for heating when the body is placed on the seat with the opening facing away from the seat.

4. The intelligent disinfected children's dishware of claim 1, 2, or 3 wherein the switching device is one of a micro switch, a conductive electrode, a capacitive sensor, and an inductive sensor.

5. The intelligent disinfected tableware for children as claimed in claim 1, wherein a first supporting part adapted to the bottom of the body and a second supporting part adapted to the rim of the body are disposed in the seat, and the switch device is disposed on the second supporting part.

6. The intelligent sanitizing child's dishware of claim 5, wherein the first support is configured inside the second support such that the first and second supports are arranged offset from each other.

7. The intelligent disinfected tableware for children as claimed in claim 5, wherein at least two bosses are formed on the second support, conductive electrodes are configured on the bosses, and the brim portion is configured to conduct the conductive electrodes on the at least two bosses to turn on the disinfecting device.

8. The intelligent disinfection children's tableware of claim 1, wherein said disinfection device is a combination of one or more of a UV lamp, a negative ion generator, an ultrasonic generator, and a hot air blower.

9. The intelligent disinfection children tableware of claim 1, wherein the body comprises a housing and a metal inner container, and the metal inner container is folded outwards to form a rim portion.

10. The intelligent disinfected tableware for children as claimed in claim 1, wherein a controller is provided in said seat, said switch device and said disinfecting device are both electrically connected to said controller, and said controller turns on or off said disinfecting device according to a switch signal generated by said switch device.

11. An intelligent disinfection children tableware comprises a body and a seat body for receiving the body, wherein the body and the seat body are combined in a separable mode, and the inner side of the body is configured to be a cavity with an opening; the method is characterized in that:

the base body is provided with a disinfection device, and the disinfection device is suitable for being opened to disinfect and sterilize the cavity when the body is buckled on the base body in a way that the opening faces the base body.

12. The intelligent disinfection children's tableware of claim 11, further comprising a control part adapted to be operated by a user to control the disinfection device to open and close, wherein the control part is disposed on the body, the seat body or the remote controller.

13. The intelligent disinfection children's dishware of claim 11, wherein the disinfection device is a combination of one or more of a UV lamp, a negative ion generator, an ultrasonic generator, and a hot air blower.

14. The intelligent disinfection children's tableware of claim 11 wherein a power supply is disposed within said body, and a battery is disposed within said body, said power supply being electrically connected to the battery for recharging when said body is placed on the body with the opening facing away from the body.

15. The intelligent disinfection children's tableware of claim 11 wherein a power supply is disposed within the body, and a heating device is disposed within the body, the power supply being electrically connected to the heating device for heating when the body is placed on the body with the opening facing away from the body.

16. The intelligent disinfectant tableware for children as claimed in claim 11, wherein said seat body is configured with a first supporting portion fitted to a bottom portion of said body and a second supporting portion fitted to a brim portion of said body, said first supporting portion being configured inside of said second supporting portion such that said first supporting portion and said second supporting portion are arranged to be offset from each other.