CN113662407A - Electric heating lunch box - Google Patents
Electric heating lunch box Download PDFInfo
- Publication number
- CN113662407A CN113662407A CN202110973519.8A CN202110973519A CN113662407A CN 113662407 A CN113662407 A CN 113662407A CN 202110973519 A CN202110973519 A CN 202110973519A CN 113662407 A CN113662407 A CN 113662407A
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- Prior art keywords
- linkage
- handle
- box body
- piece
- rotating rod
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G23/00—Other table equipment
- A47G23/04—Containers with means for keeping food cool or hot
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/20—Lunch or picnic boxes or the like
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Thermal Sciences (AREA)
- Cookers (AREA)
Abstract
The invention provides an electric heating lunch box, which comprises a handle, a box body and a box cover, wherein the box body is internally provided with a heating cavity; a push rod and a linkage piece are arranged in the box body, the upper tail end and the lower tail end of the push rod are respectively provided with a touch end and a linkage end, and the touch end extends downwards out of the bottom of the box body; the lifting handle is rotatably connected with the box body, and a rotating rod is arranged at the end part of the lifting handle; the handle has a holding state vertical to the box body and a non-holding state horizontally placed relative to the box body, the linkage piece is connected with the rotating rod in a stop fit mode when the handle is in the holding state, and linkage fit is formed between the linkage end of the push rod and the linkage piece when the handle is in the non-holding state so that the linkage piece is separated from the rotating rod. The invention has the advantages of firm fixation of the handle, convenient use and the like.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an electric heating lunch box.
Background
The electric heating lunch box is a small household appliance for achieving the purposes of heating and heat preservation by generating high-temperature steam in the lunch box after the heating body is electrified, and provides the functions of heating food and even cooking food. The electric heating lunch box has small structure, is particularly popular with the office workers due to the characteristics of portability, convenient use and the like.
The electric heating lunch box in the prior art comprises a heating body, a cover body and a handle which is rotatably arranged on the cover body, wherein the cover body is fastened on the heating body in a buckling manner. Because the two ends of the handle are rotatably arranged on the cover body, in order to prevent the cover body and the heating body from loosening when the electric heating lunch box is taken out through the handle, a connecting structure (such as a buckle interference connecting structure) is required to be added between the heating body and the cover body, so that the integral structure is complicated, and the use by a user is not convenient; in addition, when the electric heating lunch box is used for heating food, steam generated by heating is easy to spray from the handle assembly hole on the cover body, and certain potential safety hazards exist.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the electric heating lunch box which is firm in handle fixation and convenient to use.
The invention provides an electric heating lunch box, which comprises a handle, a box body and a box cover, wherein the box body is internally provided with a heating cavity; a push rod and a linkage piece are arranged in the box body, the upper tail end and the lower tail end of the push rod are respectively provided with a touch end and a linkage end, and the touch end extends downwards out of the bottom of the box body; the lifting handle is rotatably connected with the box body, and a rotating rod is arranged at the end part of the lifting handle; the handle has a holding state vertical to the box body and a non-holding state horizontally placed relative to the box body, the linkage piece is connected with the rotating rod in a stop fit mode when the handle is in the holding state, and linkage fit is formed between the linkage end of the push rod and the linkage piece when the handle is in the non-holding state so that the linkage piece is separated from the rotating rod.
In a preferred embodiment, one of the rotating rod and the linkage piece is provided with a convex limiting part, the other one of the rotating rod and the linkage piece is correspondingly provided with a limiting groove, and when the limiting part is inserted into the limiting groove, the linkage piece and the rotating rod form stop fit.
In a preferred embodiment, two opposite side walls of the box cover are correspondingly provided with shaft holes, and the shaft holes are positioned below the heating cavity; two tip of handle all include the axis of rotation, the end of axis of rotation passes the shaft hole is in with the setting the lid inside wall the bull stick is fixed continuous.
In a preferred embodiment, two sides of the shaft hole are respectively provided with a rotation stopping block for limiting the rotation angle of the rotating rod.
In a preferred embodiment, the box cover comprises a fixing piece, and two ends of the handle are respectively provided with a lap joint block; when the handle is in a holding state, the lap joint blocks are arranged on the fixing piece in a lap joint mode.
In a preferred embodiment, the bottom of the box body is provided with a fixed seat and a pressing plate positioned above the fixed seat, a transverse gap is formed between the fixed seat and the pressing plate, and the linkage part is positioned in the transverse gap.
In a preferred embodiment, the linkage end is provided with a first guide slope arranged obliquely upwards, and the linkage piece is provided with a second guide slope arranged obliquely downwards; when the push rod moves upwards, the first guide inclined plane is abutted with the second guide inclined plane to form linkage fit.
In a preferred embodiment, the linkage member includes a linkage member body having a guide groove, and the second guide slope is provided on a groove wall of the guide groove facing the end portion of the handle.
In a preferred embodiment, the linkage further includes a flapper extending from the linkage body, the flapper having a slide aperture; the inside wall of box body is equipped with the guide post, the guide post passes the setting of sliding hole.
In a preferred embodiment, the electric lunch box further comprises an elastic member connected with the linkage member, and the elastic member is used for generating an elastic force towards the end part of the handle on the linkage member.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the handle is rotatably connected with the box body instead of the box cover, when the handle is held and the electric heating lunch box is lifted, the weight of the electric heating lunch box falls on the box body through the handle, so that the box cover is not loosened or even falls off, and the reliability and stability of the handle connecting structure can be ensured. When the handle is in a holding state, the linkage piece is connected with the rotating rod in a matched mode to limit the rotating rod to rotate, the handle is fixed in the holding state, so that the handle is convenient for a user to hold, the handle and the box body cannot shake, and the reliability of connection between the handle and the box body is guaranteed; and, also need not set up the shaft hole that is used for installing the handle on the lid, the steam that can not produce the heating process production accidentally comes out from the shaft hole and scalds the user, is favorable to improving safety in utilization. Furthermore, the push rod the end that touches extends the bottom of box body, it is right to utilize self weight to touch the end butt and produce the trigger power when the electric heat lunch-box is placed at table surface, and the user passes through when the handle lifts up the electric heat lunch-box the trigger power of touching the end disappears, need not the quick free switching of handle in the state of holding and the state of not holding when the user additionally operates just can to convenience of customers uses.
Drawings
Fig. 1 is a schematic exploded view of an electric heating lunch box.
Fig. 2 is a schematic view of a half-section structure of the handle mounted on the box body in a holding state.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Fig. 4 is a schematic diagram of a half-section structure of the electric heating lunch box.
FIG. 5 is a schematic sectional view of the electric lunch box.
Fig. 6 is an enlarged schematic view of a portion B of fig. 5.
The reference numerals in the figures have the following meanings:
1-box body, 10-through hole, 11-fixed column, 12-fixed seat, 13-guide wall, 14-guide column, 15-shaft hole, 16-rotation stopping block, 2-heating cavity, 3-box cover, 31-fixed part, 4-lifting handle, 41-rotating shaft, 42-overlapping block, 5-rotating rod, 51-limiting part, 6-pushing rod, 61-first guide inclined plane, 7-linkage part, 71-linkage part body, 711-guide groove, 712-second guide inclined plane, 72-baffle, 721-limiting groove, 722-sliding hole, 8-pressing plate, 81-fixed hole and 9-elastic part.
Detailed Description
To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1 to 6, the invention discloses an electric heating lunch box, which comprises a box body 1 with a heating cavity 2 arranged therein, a box cover 3 capable of covering the box body 1, and a handle 4 rotatably connected with the box body 1, wherein an electric heating element is arranged at the bottom of the heating cavity 2 to heat the heating cavity 2; a push rod 6 and a linkage piece 7 are arranged in the box body 1, the upper tail end and the lower tail end of the push rod 6 are respectively provided with a touch end and a linkage end, and the touch ends downwards extend out of the bottom of the box body 1; the end part of the handle 4 is provided with a rotating rod 5, and the rotating rod 5 is fixedly connected with the end part of the handle 4 so as to rotate along with the handle 4.
Wherein, the handle 4 has a holding state which is vertical relative to the box body 1 and a non-holding state which is horizontally arranged relative to the box body 1: when the handle 4 is in a holding state, the linkage piece 7 is connected with the rotating rod 5 in a stop fit mode to limit the rotating rod 5 to rotate, so that the handle 4 cannot rotate and can be kept in a holding state vertical to the box body 1, and a user can conveniently hold the handle 4 to move the electric heating lunch box; when the handle 4 is in the non-holding state, the electric heat lunch-box is placed on table surface, thereby table surface with the push rod 6 the end butt that touches, thereby promote push rod 6 is relative the bottom of box body 1 shifts up, push rod 6 the linkage end with it makes to form the linkage cooperation between the linkage piece 7 is faced away from 5 direction movements of bull stick, the linkage piece 7 with 5 phase separations of bull stick let the linkage piece 7 can not restrict the rotation of bull stick 5, so that the handle 4 can rotate relative to box body 1, makes the handle 4 can follow relatively the quick rotation of the holding state that box body 1 erects switches to relatively the non-holding state that box body 1 level was placed.
According to the invention, the handle 4 is rotatably connected with the box body 1 instead of the box cover 3, when the handle 4 is held and the electric heating lunch box is lifted, the weight of the electric heating lunch box falls on the box body 1 through the handle 4, so that the box cover 3 is not loosened or even falls off, and the reliability and stability of the connection structure of the handle 4 can be ensured. When the handle 4 is in a holding state, the linkage piece 7 is connected with the rotating rod 5 in a stop matching mode to limit the rotation of the rotating rod 5, so that the handle 4 is fixed in the holding state, a user can conveniently hold the handle, the handle 4 and the box body 1 cannot shake, and the reliability of connection between the handle 4 and the box body 1 is ensured. Moreover, the touch end of the push rod 6 extends out of the bottom of the box body 1, when the electric heating lunch box is placed on a working table, the touch end is abutted by the self weight to generate a trigger force, and when a user lifts the electric heating lunch box through the handle 4, the trigger force on the touch end disappears, so that the handle 4 can be rapidly and freely switched between a holding state and a non-holding state without extra operation of the user, and the use of the user is facilitated.
Two end parts of the lifting handle 4 respectively comprise a rotating shaft 41, two opposite side walls of the box cover 3 are correspondingly provided with shaft holes 15, and the shaft holes 15 are positioned below the heating cavity 2; the rotating shaft 41 passes through the shaft hole 15 from the outer side surface of the box cover 3 and then is fixedly connected with the rotating rod 5 arranged on the inner side wall of the box cover 3 (for example, a screw is adopted to pass through the rotating rod 5 and then is fixed with the end part of the rotating shaft 41), so that the rotating rod 5 can rotate along with the handle 4 relative to the box body 1. This kind of structure both can guarantee the tip of handle 4 with box body 1 keeps reliable and stable relation of connection, still because shaft hole 15 is located the below of heating chamber 2 makes the use steam that produces in the heating chamber 2 can't pass through shaft hole 15 is excessive, is favorable to improving user's use and experiences.
Two sides of the shaft hole 15 are respectively provided with a rotation stopping block 16, and the rotation stopping blocks 16 are used for limiting the rotation angle of the rotating rod 5. With the structure, when the handle 4 rotates towards the left side or the right side relative to the shaft hole 15 from a holding state, the rotation of the rotating rod 5 can be limited by the rotation stopping block 16, so that the handle 4 can be horizontally placed relative to the box body 1 in a non-holding state.
The box cover 3 comprises a fixing piece 31, the fixing piece 31 is positioned above the shaft hole 15, and two ends of the handle 4 are correspondingly provided with a lapping block 42; when the handle 4 is in a holding state, the overlapping block 42 is overlapped on the fixing member 31. Through overlap joint piece 42 with mounting 31 overlap joint sets up, can be right two ends of handle 4 play spacing supporting role, avoid two ends of handle 4 produce and rock, thereby be favorable to improving handle 4 with connection stability and reliability between the box body 1.
The bottom of the box body 1 is provided with a through hole 10, and the touch end of the push rod 6 penetrates through the through hole 10 and extends downwards out of the bottom of the box body 1. And, there is a guide wall 13 around the through hole 10 at the bottom of the box body 1, the push rod 6 can move up and down in the through hole 10 with the guide of the guide wall 13.
The bottom of the box body 1 is provided with a fixed seat 12 and a pressing plate 8 positioned above the fixed seat 12, a transverse gap is formed between the fixed seat 12 and the pressing plate 8, and the linkage member 7 is positioned in the transverse gap, wherein the bottom of the box body 1 is provided with a fixed column 11, the pressing plate 8 is correspondingly provided with a fixed hole 81, and the pressing plate 8 is fixed above the fixed seat 12 by screwing a screw through the fixed hole 81 and the fixed column 11 at the corresponding position.
In addition, a linkage matching structure is arranged between the linkage piece 7 and the linkage end of the push rod 6: when the handle 4 is in a holding state, the linkage piece 7 is close to the end part of the handle 4, the linkage piece 7 is connected with the rotating rod 5 in a stopping fit manner so as to limit the rotation of the rotating rod 5, the trigger end of the push rod 6 extends downwards out of the through hole 10 under the self gravity, at the moment, the linkage end of the push rod 6 is separated from the linkage piece 7, and the linkage fit is not formed between the linkage piece and the linkage piece; when the electric heating lunch box is placed on a workbench surface, the trigger end receives an upward trigger force to push the push rod 6 to move upwards in the through hole 10, the linkage matching structure is utilized to drive the linkage part 7 to move towards the direction far away from the end part of the handle 4, so that the linkage part 7 is separated from the rotating rod 5, the linkage part 7 cannot limit the rotation of the rotating rod 5, the handle 4 can rotate relative to the box body 1, and the handle 4 can be switched from a holding state to a non-holding state.
The linkage matching structure comprises a first guide inclined surface 61 obliquely arranged at the linkage end upwards and a second guide inclined surface 712 obliquely arranged on the linkage part 7 downwards, wherein the second guide inclined surface 712 is positioned above the first guide inclined surface 61. With this structure, when the push rod 6 is pushed to move upwards in the through hole 10, the first guide inclined surface 61 of the push rod 6 is abutted against the second guide inclined surface 712 of the linkage member 7 to form a linkage fit, and the linkage member 7 is pushed to move towards a direction away from the end of the handle 4.
The linkage member 7 includes a linkage member body 71 located in the transverse gap, the linkage member body 71 is provided with a guide groove 711 for the linkage end to pass through, and the second guide inclined surface 712 is arranged on a groove wall of the guide groove 711 facing the end portion of the handle 4. The guide groove 711 is used for limiting and matching the linkage end, so that the linkage piece 7 is ensured to keep structural reliability in the repeated use process.
In order to further improve the structural reliability of the linkage member 7 during repeated use, the linkage member 7 further includes a baffle plate 72 extending from the linkage member body 71, the baffle plate 72 has a sliding hole 722, the inner side wall of the box body 1 is provided with a guide post 14, and the guide post 14 is arranged through the sliding hole 722. This arrangement allows the link member 7 to be engaged in the sliding hole 722 in accordance with the guide post 14, thereby allowing the link member 7 to move relatively in a direction away from or toward the end of the handle 4.
Furthermore, the handle device further comprises an elastic piece 9 connected with the linkage piece 7, wherein the elastic piece 9 is used for generating an elastic force towards the end part direction of the handle 4 on the linkage piece 7 so as to ensure that the linkage piece 7 is connected with the rotating rod 5 in a stop matching mode when the handle 4 is in a holding state. For example, the elastic member 9 is a spring, the spring is sleeved on the guiding column 14, and the guiding column 14 is between the baffle 72 and the inner side wall of the box body 1. When the electric heating lunch box is placed on a workbench surface, the trigger end receives an upward trigger force to push the push rod 6 to move upwards in the through hole 10, when the push rod 6 pushes the linkage member 7 to move towards the direction far away from the end part of the handle 4 through the linkage matching structure, the elastic member 9 is further enabled to accumulate elastic force, so that when a user rotates the handle 4 to a holding state and lifts the electric heating lunch box through the handle 4, the elastic member 9 accumulates elastic force to enable the linkage member 7 to move towards the direction close to the end part of the handle 4 until the linkage member 7 is connected with the rotating rod 5 in a stopping matching mode.
In a preferred embodiment, one of the rotating rod 5 and the linkage member 7 is provided with a convex limiting portion 51, and the other is correspondingly provided with a limiting groove 721, and the limiting portion 51 is inserted into the limiting groove 721 to form a stop fit between the linkage member 7 and the rotating rod 5. For example, the limiting portion 51 is disposed on the rotating rod 5, and the limiting groove 721 is correspondingly disposed on the linkage 7, specifically, on the blocking plate 72.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An electric heating lunch box comprises a handle (4), a box body (1) internally provided with a heating cavity (2) and a box cover (3) capable of being covered on the box body (1); the method is characterized in that:
a push rod (6) and a linkage piece (7) are arranged in the box body (1), the upper tail end and the lower tail end of the push rod (6) are respectively provided with a touch end and a linkage end, and the touch end extends out of the bottom of the box body (1) downwards;
the handle (4) is rotatably connected with the box body (1), and a rotating rod (5) is arranged at the end part of the handle (4);
the lifting handle (4) is provided with a holding state which is vertical relative to the box body (1) and a non-holding state which is horizontally arranged relative to the box body (1), when the lifting handle (4) is in the holding state, the linkage piece (7) is connected with the rotating rod (5) in a stop matching mode, and when the lifting handle (4) is in the non-holding state, the linkage end of the push rod (6) is in linkage matching with the linkage piece (7) to enable the linkage piece (7) to be separated from the rotating rod (5).
2. The electric-heating lunch box according to claim 1, characterized in that: one of the rotating rod (5) and the linkage piece (7) is provided with a convex limiting part (51) and the other is correspondingly provided with a limiting groove (721), and when the limiting part (51) is inserted into the limiting groove (721), the linkage piece (7) and the rotating rod (5) form stop matching.
3. The electric-heating lunch box according to claim 1, characterized in that: two opposite side walls of the box cover (3) are correspondingly provided with shaft holes (15), and the shaft holes (15) are positioned below the heating cavity (2); two tip of handle (4) all include axis of rotation (41), the end of axis of rotation (41) is passed shaft hole (15) and setting are in lid (3) inside wall bull stick (5) are fixed continuous.
4. The electric-heating lunch box according to claim 3, characterized in that: and two sides of the shaft hole (15) are respectively provided with a rotation stopping block (16) for limiting the rotation angle of the rotating rod (5).
5. The electric-heating lunch box according to claim 1, characterized in that: the box cover (3) comprises a fixing piece (31), and two ends of the handle (4) are correspondingly provided with a lapping block (42); when the handle (4) is in a holding state, the overlapping block (42) is overlapped on the fixing piece (31).
6. The electric-heating lunch box according to claim 1, characterized in that: the bottom of the box body (1) is provided with a fixed seat (12) and a pressing plate (8) located above the fixed seat (12), a transverse gap is formed between the fixed seat (12) and the pressing plate (8), and the linkage piece (7) is located in the transverse gap.
7. The electric-heating lunch box according to claim 1, characterized in that: the linkage end is provided with a first guide inclined surface (61) which is arranged obliquely upwards, and the linkage piece (7) is provided with a second guide inclined surface (712) which is arranged obliquely downwards; when the push rod (6) moves upwards, the first guide inclined surface (61) is abutted with the second guide inclined surface (712) to form linkage fit.
8. The electric-heating lunch box according to claim 7, wherein: the linkage piece (7) comprises a linkage piece body (71) with a guide groove (711), and the second guide inclined surface (712) is arranged on the groove wall of the guide groove (711) opposite to the end part of the lifting handle (4).
9. The electric-heating lunch box of claim 8, wherein: the linkage (7) further comprises a baffle (72) extending from the linkage body (71), the baffle (72) having a sliding aperture (722); the inner side wall of the box body (1) is provided with a guide post (14), and the guide post (14) penetrates through the sliding hole (722).
10. The electric-heating lunch box according to any one of claims 1-9, characterized in that: the lifting handle is characterized by further comprising an elastic piece (9) connected with the linkage piece (7), wherein the elastic piece (9) is used for generating elastic force towards the end part direction of the lifting handle (4) to the linkage piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973519.8A CN113662407B (en) | 2021-08-24 | 2021-08-24 | Electric heating lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973519.8A CN113662407B (en) | 2021-08-24 | 2021-08-24 | Electric heating lunch box |
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| Publication Number | Publication Date |
|---|---|
| CN113662407A true CN113662407A (en) | 2021-11-19 |
| CN113662407B CN113662407B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110973519.8A Active CN113662407B (en) | 2021-08-24 | 2021-08-24 | Electric heating lunch box |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20150006699A (en) * | 2013-07-09 | 2015-01-19 | 홍선우 | The Weaning Food Container For Child |
| CN207949195U (en) * | 2018-02-08 | 2018-10-12 | 曾瑞武 | A kind of multifunction combined incubation canteen |
| CN209391663U (en) * | 2018-09-29 | 2019-09-17 | 中山城市精灵婴童用品科技有限公司 | The portable pot tool for adjusting handle is rotated with liftable |
| CN211609235U (en) * | 2019-07-08 | 2020-10-02 | 云和县鸿林玩具有限公司 | Automatic power-off water heating kettle |
| CN213154545U (en) * | 2020-08-06 | 2021-05-11 | 杭州九阳小家电有限公司 | Electric heating lunch box |
| CN112849773A (en) * | 2021-03-12 | 2021-05-28 | 杭州良舍文化创意有限公司 | Air exhaust device and storage container |
| CN215502377U (en) * | 2021-08-24 | 2022-01-14 | 小熊电器股份有限公司 | Electric heating lunch box |
-
2021
- 2021-08-24 CN CN202110973519.8A patent/CN113662407B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150006699A (en) * | 2013-07-09 | 2015-01-19 | 홍선우 | The Weaning Food Container For Child |
| CN207949195U (en) * | 2018-02-08 | 2018-10-12 | 曾瑞武 | A kind of multifunction combined incubation canteen |
| CN209391663U (en) * | 2018-09-29 | 2019-09-17 | 中山城市精灵婴童用品科技有限公司 | The portable pot tool for adjusting handle is rotated with liftable |
| CN211609235U (en) * | 2019-07-08 | 2020-10-02 | 云和县鸿林玩具有限公司 | Automatic power-off water heating kettle |
| CN213154545U (en) * | 2020-08-06 | 2021-05-11 | 杭州九阳小家电有限公司 | Electric heating lunch box |
| CN112849773A (en) * | 2021-03-12 | 2021-05-28 | 杭州良舍文化创意有限公司 | Air exhaust device and storage container |
| CN215502377U (en) * | 2021-08-24 | 2022-01-14 | 小熊电器股份有限公司 | Electric heating lunch box |
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| Publication number | Publication date |
|---|---|
| CN113662407B (en) | 2022-10-11 |
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