CN220024358U - Electrothermal lunch box - Google Patents

Abstract

The utility model discloses an electric heating lunch box, which comprises: a bottom cover with a containing cavity; the upper cover is used for being covered with the bottom cover; the handle is connected to the upper cover; the heating body is arranged between the bottom cover and the upper cover, is supported by the bottom cover and is used for heating food; the locking mechanism is accommodated in the accommodating cavity, is positioned below the heating body, is connected with the bottom cover in a sliding manner, and is used for locking the handle when the upper cover and the bottom cover are covered; or the handle is unlocked under the pushing of external force. According to the electric heating lunch box, the handle is connected with the upper cover, and the handle and the bottom cover are locked, so that the situation that the upper cover and the bottom cover are loosened due to thermal expansion of the upper cover is avoided.

Description

Electrothermal lunch box

Technical Field

The utility model relates to the technical field of household appliances, in particular to an electric heating lunch box.

Background

The electrothermal lunch box is a domestic electric appliance which can generate high-temperature steam in the lunch box after the heating element is electrified so as to heat and preserve heat food. The electric heating lunch box has the characteristics of small structure, portability, convenient use and the like, and is especially popular among office workers.

In the existing electrothermal lunch box, a handle is basically connected with a cover, a buckle is arranged on the cover, and the cover and a box body are fastened through the buckle. However, since the thermal expansion of the lid becomes large when the food is heated, the lid and the case are easily loosened during the process of lifting the lunch box, which affects normal use.

Disclosure of Invention

To solve at least one of the problems of the prior art, according to one aspect of the present utility model, there is provided an electrothermal canteen comprising: a bottom cover with a containing cavity; the upper cover is used for being covered with the bottom cover; the handle is connected to the upper cover; the heating body is arranged between the bottom cover and the upper cover, is supported by the bottom cover and is used for heating food; the locking mechanism is accommodated in the accommodating cavity, is positioned below the heating body, is connected with the bottom cover in a sliding manner, and is used for locking the handle when the upper cover and the bottom cover are covered; or the handle is unlocked under the pushing of external force.

Therefore, as the handles are connected to the upper cover and are used as a whole, when the upper cover is covered on the bottom cover, the locking mechanism slides under the drive of the handles to give way to the handles, and when the upper cover is covered on the bottom cover, the positions of the handles are also in place, and the locking mechanism returns to the original position to lock the handles; when needs open the upper cover relative bottom, external force promotes locking mechanism, can unlock the handle through locking mechanism to closing through the upper cover and realizing the holistic locking of bottom and upper cover and handle, can realizing the holistic unblock to upper cover and handle through external force promotion locking mechanism, make things convenient for user's lid to close the use, because when heating food, the part that takes place deformation is mainly the upper cover, the handle is located the outside of upper cover, receive thermal deformation's influence less, owing to be connected with the bottom by adopting handle and bottom, when having avoided directly through the mode chucking of hasp between upper cover and the bottom, because the thermal expansion of upper cover takes place the condition of pine with the bottom.

In some embodiments, the handle is rotatably connected with respect to the upper cover such that the handle can be rotated to one side of the upper cover when the handle and the locking mechanism are in an unlocked state.

In some embodiments, the handle is provided with a protrusion, the upper cover is provided with a positioning clamp, and when the protrusion is clamped in the positioning clamp, the handle can be locked with the locking mechanism.

In some embodiments, the locking mechanism includes a pair of opposite buckles, a pair of elastic members, and a mounting bracket, wherein the mounting bracket is connected to the bottom cover, the pair of buckles are slidably disposed on two opposite sides of the bottom cover, and are respectively configured to be engaged with one end of the handle, and one elastic member is connected between the mounting bracket and one buckle, so as to apply an elastic force to the buckles.

In some embodiments, the mounting rack comprises two sub-frames, one elastic piece is connected between one buckle and one sub-frame, the locking mechanism further comprises a linkage structure, the linkage structure is respectively propped against two buckles, when an external force presses one buckle towards the central direction of the bottom cover, the linkage structure can push the other buckle to move towards the central direction of the bottom cover at the same time, so that the two buckles can unlock the handle.

In some embodiments, the two buckles are defined to be a first buckle and a second buckle respectively, the linkage structure comprises a connecting rod and a push rod, the connecting rod is in sliding connection with the bottom cover and props against the first buckle, the push rod is in rotating connection with the bottom cover and has two ends respectively propped against the second buckle and the connecting rod, so that the push rod can drive the second buckle to move when the first buckle is pressed by external force.

In some embodiments, the connecting rod is provided with a guide hole, the length direction of the guide hole is the movement direction of the first buckle or the second buckle, the bottom cover is provided with a guide post, and the guide post penetrates through the guide hole so as to move in the guide hole.

In some embodiments, a first groove is formed in the bottom of the second buckle, a second groove is formed in the top of the connecting rod, and the push rod rotates in the first groove and the second groove respectively.

In some embodiments, the second buckle is provided with an embedded groove, and the subframe is embedded in the embedded groove.

In some embodiments, a stopper is disposed on a side of the subframe facing the elastic member, where the stopper is used to abut against the buckle when the buckle moves toward the center direction of the bottom cover, so as to limit further movement of the buckle.

Drawings

FIG. 1 is an exploded view of an electrothermal canteen according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the electrothermal canteen of FIG. 1;

FIG. 3 is a schematic view of the bottom cover and latch mechanism of FIG. 1;

FIG. 4 is a schematic view of the first latch and lock mechanism of FIG. 2;

FIG. 5 is a schematic view of the second latch and lock mechanism of FIG. 2;

FIG. 6 is a schematic view of the locking mechanism of FIG. 1;

fig. 7 is a schematic structural view of the bottom cover in fig. 1.

Wherein the reference numerals have the following meanings:

the electric heating lunch box comprises a 100-electric heating lunch box body, a 10-upper cover, a 11-rotating shaft, a 12-first fixing screw, a 13-positioning clamping position, a 14-avoidance rail, a 20-bottom cover, a 21-containing cavity, a 22-mounting column, a 23-guiding column, a 24-fixing frame, a 25-connecting frame, a 30-handle, a 31-penetrating hole, a 32-bulge, a 33-clamping groove, a 34-connecting part, a 35-clamping part, a 36-first guiding inclined plane, a 40-heating body, a 50-locking mechanism, a 511-second guiding inclined plane, a 512-first buckle, a 5121-first mounting plate, a 5122-mounting groove, a 5123-first clamping block, a 5124-first through hole, a 5125-pushing convex point, a 513-second buckle, a 5131-second mounting plate, a 5132-second clamping block, a 5133-abutting frame, a 5134-embedding groove, a 5135-first groove, a 5136-second through hole, a 52-elastic piece, a 53-mounting frame, a 531-subframe, a 5311-limiting block, a 54-linkage structure, a 5411-connecting rod, a 5411-guiding hole, a 5412-guiding hole, a 5413-542.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 7, an electrothermal canteen 100 according to an embodiment of the present utility model includes an upper cover 10, a bottom cover 20, a handle 30, a heating body 40, and a locking mechanism 50.

Referring to fig. 1 and 2, the bottom cover 20 has a receiving cavity 21; the upper cover 10 is used for being covered with the bottom cover 20; handle 30 is attached to upper cover 10; the heating body 40 is provided between the bottom cover 20 and the upper cover 10, and is supported by the bottom cover 20 for heating food; the locking mechanism 50 is accommodated in the accommodating cavity 21, is positioned below the heating body 40, is connected with the bottom cover 20 in a sliding manner, and is used for locking the handle 30 when the upper cover 10 and the bottom cover 20 are covered; or to unlock the handle 30 under the pushing of an external force.

In the above heating lunch box, since the handle 30 is connected to the upper cover 10, both are used as a whole, when the upper cover 10 is covered on the bottom cover 20, the locking mechanism 50 slides under the drive of the handle 30 to give way to the handle 30, when the upper cover 10 is covered on the bottom cover 20, the position of the handle 30 is also in place, and the locking mechanism 50 returns to the original position to lock the handle 30; when the upper cover 10 needs to be opened relative to the bottom cover 20, the locking mechanism 50 is pushed by external force, and the handle 30 can be unlocked through the locking mechanism 50, so that the whole locking of the bottom cover 20, the upper cover 10 and the handle 30 is realized through the closing of the upper cover 10, the whole unlocking of the upper cover 10 and the handle 30 can be realized through the pushing of the locking mechanism 50 by external force, and the use of the upper cover is convenient.

Specifically, when the electrothermal canteen 100 of the present embodiment is in use, the heating body 40 accommodates water, heats the water, and the box body with food placed thereon is placed on the water in the heating body 40, so as to heat the food by the heat of the water.

Referring to fig. 1 and 2, in one embodiment of the present utility model, in order to facilitate adjustment of the placement of the handle 30 with respect to the upper lid 10, the handle 30 is rotatably connected with respect to the upper lid 10, so that when the handle 30 and the locking mechanism 50 are in an unlocked state, the handle 30 can be rotated to one side of the upper lid 10, and thus, when the upper lid 10 and the bottom lid 20 need to be covered, the handle 30 is rotated to a vertical state with respect to the upper lid 10, so that after the upper lid 10 and the bottom lid 20, the entire electrothermal lunch box 100 can be conveniently lifted by a hand through the handle 30; when the upper cover 10 and the bottom cover 20 are in a disassembled state, the handle 30 can be rotated to the side of the upper cover 10 relative to the upper cover 10, so that the storage is facilitated.

Specifically, when the rotary connection between the handle 30 and the upper cover 10 is realized, the rotating shaft 11 is arranged on the upper cover 10, the penetrating hole 31 is arranged on the handle 30, the penetrating hole 31 is penetrated through the rotating shaft 11, and then the handle 30 is connected with the upper cover 10 into a whole through the first fixing screw 12 and the rotating shaft 11 in a threaded manner, and the handle 30 can rotate around the rotating shaft 11 to adjust the position of the handle 30 relative to the upper cover 10.

Specifically, when the handle 30 needs to be locked with the locking mechanism 50, the handle 30 needs to be positioned with the upper cover 10, the protrusion 32 is arranged on the handle 30, the positioning clamping position 13 is arranged on the upper cover 10, the handle 30 can be locked with the locking mechanism 50 when the protrusion 32 is clamped in the positioning clamping position 13, so, when the handle 30 rotates relative to the upper cover 10 until the protrusion 32 is clamped in the positioning clamping position 13, the position of the handle 30 is fixed, the handle 30 can be lifted to cover the upper cover 10 on the bottom cover 20, and meanwhile, the handle 30 can be matched and locked with the locking mechanism 50.

It can be appreciated that, because the handle 30 needs to rotate relative to the upper cover 10, the protrusions 32 arranged on the handle 30 also rotate relative to the upper cover 10, in order to avoid the protrusions 32, the upper cover 10 is provided with the avoidance rail 14, so that the rotation of the protrusions 32 is avoided through the avoidance rail 14, namely, the upper cover 10 is thinned only in the rotation area corresponding to the protrusions 32, and the structural strength of the whole upper cover 10 is ensured in a thinning manner relative to the whole side of the upper cover 10.

Referring to fig. 1 to 6, in an embodiment of the present utility model, when the locking mechanism 50 and the handle 30 are locked, the locking mechanism 50 includes a pair of opposite buckles, a pair of elastic members 52 and a mounting frame 53, the mounting frame 53 is connected to the bottom cover 20, the pair of buckles are slidably disposed on opposite sides of the bottom cover 20 and are respectively engaged with one end of the handle 30, and one elastic member 52 is connected between the mounting frame 53 and one buckle and is used for applying an elastic force to the buckles, so that when the upper cover 10 is covered on the bottom cover 20, the handle 30 presses the two buckles, the buckles press the elastic members 52, and after the handle 30 is installed in place, the buckles clamp opposite ends of the handle 30 under the elastic force of the elastic members 52, and at the same time the elastic members 52 have an elastic force to the buckles so as to compress the buckles and the handle 30.

The handle 30 of this embodiment includes a connection portion 34 and two clamping portions 35 disposed at two ends of the connection portion 34, where the clamping portions 35 and the connection portion 34 are vertically disposed, and the clamping portions 35 are used for clamping with a buckle, and when the handle 30 needs to be locked with the locking mechanism 50, the handle 30 is in a vertical state relative to the upper cover 10. Specifically, when the buckle is clamped with the handle 30, a clamping groove 33 is formed in one side, facing the locking mechanism 50, of the clamping portion 35, and the buckle is clamped in the clamping groove 33, so that the handle 30 and the locking mechanism 50 are clamped.

When the upper cover 10 is covered towards the bottom cover 20, the handle 30 moves towards the bottom cover 20, and for facilitating locking of the handle 30 and the locking mechanism 50, a first guiding inclined plane 36 is disposed at a free end of the locking portion 35, a second guiding inclined plane 511 is disposed on the buckle, and the handle 30 can rapidly move downwards continuously and is locked with the locking mechanism 50 through the cooperation of the first guiding inclined plane 36 and the second guiding inclined plane 511.

Further, in order to facilitate the operation of the hand, the unlocking of the handle 30 can be achieved by pressing with one hand, the mounting frame 53 comprises two sub-frames 531, one elastic member 52 is connected between one buckle and one sub-frame 531, the locking mechanism 50 further comprises a linkage structure 54, the linkage structure 54 is respectively abutted against the two buckles, when the other buckle is pressed towards the center direction of the bottom cover 20 by external force, the linkage structure 54 can push the other buckle to move towards the center direction of the bottom cover 20 at the same time, so that the two buckles can unlock the handle 30, and therefore, by arranging the linkage structure 54, the hand presses one buckle, both buckles can move towards the center direction of the bottom cover 20, at the moment, both buckles moving towards the center direction of the bottom cover 20 are far away from the handle 30, and unlocking of the handle 30 is achieved.

Referring to fig. 3 and 7, two connecting frames 25 are provided on the bottom cover 20, and one connecting frame 25 is used for installing one sub-frame 531.

For convenience of description, in this embodiment, the two buckles are the first buckle 512 and the second buckle 513 respectively, the linkage structure 54 includes a connecting rod 541 and a push rod 542, the connecting rod 541 is slidably connected with the bottom cover 20 and abuts against the first buckle 512, the push rod 542 is rotatably connected with the bottom cover 20, and both ends of the connecting rod are respectively abutted against the second buckle 513 and the connecting rod 541 so as to be capable of rotating relative to the connecting rod 541 and the second buckle 513 respectively, when the first buckle 512 is pressed by external force, the push rod 542 can drive the second buckle 513 to move, that is, the first buckle 512 is pressed by external force, the first buckle 512 moves towards the center direction of the bottom cover 20, that is, moves towards the direction of the second buckle 513, the first buckle 512 pushes the connecting rod 541 to move towards the direction of the second buckle 513, the connecting rod 542 pushes the push rod 541 to rotate relative to the bottom cover 20, and the rotation of the push rod 542 drives the second buckle 513 to rotate towards the direction of the first buckle 512, so that the movement of the handles of the two buckles in opposite directions is achieved, and unlocking of the handles 30 is achieved.

Specifically, the first buckle 512 of this embodiment includes a first mounting plate 5121, a mounting groove 5122 and a first clamping block 5123, where the mounting groove 5122 and the first clamping block 5123 are respectively disposed on two opposite sides of the first mounting plate 5121, the first mounting plate 5121 is disposed on the inner side of the bottom cover 20, the first clamping block 5123 penetrates through the bottom cover 20 and moves on the side wall of the bottom cover 20 to be engaged with the engaging portion 35 of the handle 30, and the mounting groove 5122 is used for mounting the connecting rod 541, so that the movement of the first buckle 512 can drive the movement of the connecting rod 541, and by setting the mounting groove 5122, the plugging and installation of the connecting rod 541 are facilitated, and meanwhile, the sub-frame 531 is disposed above the mounting groove 5122 during the installation, so that the matching with the mounting position of the sub-frame 531 is also facilitated.

The first mounting plate 5121 is provided with a first through hole 5124 through which the mounting post 22 of the elastic member 52 passes, the extending direction of the mounting post 22 is the moving direction of the first buckle 512 and the second buckle 513, and when the first buckle 512 is mounted on the bottom cover 20, the mounting post 22 passes through the first through hole 5124, so that the position of the first buckle 512 is limited.

Specifically, referring to fig. 5 and 6, the second buckle 513 in the present embodiment includes a second mounting plate 5131, a second clamping block 5132, and a supporting frame 5133, where the second clamping block 5132 and the supporting frame 5133 are disposed on opposite sides of the second mounting plate 5131, the second mounting plate 5131 is disposed on an inner side of the bottom cover 20, the second clamping block 5132 penetrates the bottom cover 20, moves on a side wall of the bottom cover 20 and is used for being engaged with the engaging portion 35 of the handle 30, and the supporting frame 5133 is used for supporting and matching with the push rod 542, so that the rotation of the push rod 542 drives the movement of the second buckle 513.

Wherein, in order to be matched with the installation of the push rod 542 and the installation of the sub-frame 531, an embedded groove 5134 is provided at one end of the supporting frame 5133 connected to the second installation plate 5131, and the sub-frame 531 is located in the embedded groove 5134 when being installed with the bottom cover 20, and one end of the supporting frame 5133 far away from the second installation plate 5131 is used for the push rod 542 to rotate.

The second mounting plate 5131 is provided with a second through hole 5136 through which the mounting post 22 of the elastic member 52 passes, the extending direction of the mounting post 22 is the moving direction of the second buckle 513 and the second buckle 513, and when the second buckle 513 is mounted on the bottom cover 20, the mounting post 22 passes through the second through hole 5136, so that the position of the second buckle 513 is limited.

Referring to fig. 3 to 5, the connecting rod 541 is provided with a guide hole 5411, the length direction of the guide hole 5411 is the movement direction of the first buckle 512 or the second buckle 513, the bottom cover 20 is provided with a guide post 23, and the guide post 23 is arranged through the guide hole 5411 so as to move in the guide hole 5411, so that the bottom cover 20 is provided with the guide post 23, and the connecting rod 541 is correspondingly provided with the guide hole 5411 so as to enable the connecting rod 541 to slide when the connecting rod 541 slides, thereby avoiding the movement of the connecting rod 541 from tilting.

Further, two guide holes 5411 are separately formed in the connecting rod 541, two guide columns 23 are separately formed in the bottom cover 20, one guide hole 5411 is formed in one guide column 23 in a penetrating manner, rotation in the sliding process of the connecting rod 541 is avoided by means of the two guide holes 5411, and the sliding direction of the connecting rod 541 is further limited to be a straight line direction by the two guide columns 23.

In addition, since the connecting rod 541 is disposed below the heating body 40, the heating body 40 heats and expands during the use, so that the heat generated by the heating body 40 can be smoothly transferred out in order to avoid the expansion of the heating body 40, and the connecting rod 541 is provided with the avoiding hole 5412 corresponding to the position of the heating body 40, so that the heat generated by the heating body 40 can be conveniently transferred out through the arrangement of the avoiding hole 5412.

Referring to fig. 5 and 7, in one embodiment of the present utility model, the middle part of the push rod 542 rotates relative to the bottom cover 20, the bottom cover 20 is provided with a fixing frame 24, the middle part of the push rod 542 is rotatably connected with the fixing frame 24, the bottom of the second buckle 513 is provided with a first groove 5135, the top of the connecting rod 541 is provided with a second groove 5413, the push rod 542 rotates in the first groove 5135 and the second groove 5413 respectively, specifically, the bottom of the holding frame 5133 is provided with the first groove 5135, so that the push rod 542 can rotate relative to the connecting rod 541 and the second buckle 513 when rotating relative to the bottom cover 20, and the sliding of the connecting rod 541 is converted into the sliding of the second buckle 513, thereby realizing the pressing of one buckle and the unlocking of the two buckles to the handle 30.

Further, in order to conveniently realize the on-time of one buckle, the sliding of two buckles can be realized, in this embodiment, a pushing bump 5125 is provided on the second buckle 513, the pushing bump 5125 is provided on the first mounting plate 5121 and penetrates through the bottom cover 20, so, by pressing the pushing bump 5125, the first buckle 512 is conveniently pushed to move towards the center direction of the bottom cover 20.

In addition, in order to avoid that the buckle breaks away from the bottom cover 20 when the buckle is pressed by an excessive external force, a limiting block 5311 is arranged on one side of the subframe 531, facing the elastic piece 52, and the limiting block 5311 is used for propping against the buckle when the buckle moves towards the center direction of the bottom cover 20 so as to limit the further movement of the buckle, so that the bracket 531 and the bottom cover 20 are fixed, after the first buckle 512 and the second buckle 513 move towards one end distance in the center direction of the bottom cover 20, the first buckle 512 and the second buckle 513 are blocked by the limiting block 5311 and cannot continue to move, and meanwhile, the outward breaking away from the handle 30 is realized, so that the condition that the first buckle 512 and the second buckle 513 break away from the bottom cover 20 and slide into the bottom cover 20 is avoided.

The electrothermal lunch box 100 is used as follows:

(1) Rotating the handle 30 to a vertical state with respect to the bottom cover 20;

(2) The upper cover 10 is covered on the bottom cover 20, at this time, the first guiding inclined surface 36 of the handle 30 is matched with the second guiding inclined surface 511 of the clip, and the handle 30 slides downwards smoothly;

(3) The handle 30 slides downwards to press the first buckle 512 and the second buckle 513 towards the center direction of the bottom cover 20, the first buckle 512 and the second buckle 513 compress the elastic piece 52 respectively, the push rod 542 drives the connecting rod 541 to slide, after the handle 30 moves downwards in place, under the action of the elastic force of the elastic piece 52, the first buckle 512 and the second buckle 513 are pushed back, so that the first buckle 512 and the second buckle 513 are clamped in the clamping groove 33 of the handle 30, the connecting rod 541 and the push rod 542 return to the original position, and the locking of the handle 30 and the locking mechanism 50 is realized.

(4) When the upper cover 10 needs to be opened, the hand presses the pushing bump 5125 on the first buckle 512, the first buckle 512 moves towards the center direction of the bottom cover 20, the first buckle 512 pushes the connecting rod 541 to move towards the second buckle 513, under the pushing of the connecting rod 541, the push rod 542 rotates relative to the bottom cover 20, the rotation of the push rod 542 drives the second buckle 513 to move towards the first buckle 512, meanwhile, the elastic pieces 52 on two sides are compressed, the first buckle 512 and the second buckle 513 are unlocked relative to the handle 30, the handle 30 and the upper cover 10 can be separated relative to the bottom cover 20, and then the first buckle 512 and the second buckle 513 are pushed back to the original positions under the action of the elastic force of the elastic pieces 52, so that the next use is facilitated.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. Electric heat lunch-box, its characterized in that includes:

a bottom cover with a containing cavity;

the upper cover is used for being covered with the bottom cover;

the handle is connected to the upper cover;

the heating body is arranged between the bottom cover and the upper cover, is supported by the bottom cover and is used for heating food;

the locking mechanism is accommodated in the accommodating cavity, is positioned below the heating body, is connected with the bottom cover in a sliding manner, and is used for locking the handle when the upper cover and the bottom cover are covered; or the handle is unlocked under the pushing of external force.

2. The electrically heated cutlery box of claim 1, wherein the handle is rotatably coupled with respect to the upper cover such that the handle can rotate to one side of the upper cover when the handle and the locking mechanism are in an unlocked condition.

3. The electrothermal canteen according to claim 2, wherein the handle is provided with a protrusion, the upper cover is provided with a positioning detent, and the handle can be locked with the locking mechanism when the protrusion is locked in the positioning detent.

4. The electrothermal canteen of any one of claims 1-3, wherein the locking mechanism includes a pair of opposing tabs slidably disposed on opposite sides of the bottom cover for engaging one end of the handle, a pair of resilient members coupled between the pair of tabs and the pair of tabs for applying a resilient force to the tabs, and a mounting bracket.

5. The electrothermal canteen according to claim 4, wherein the mounting bracket includes two sub-frames, one of the elastic members is connected between one of the buckles and one of the sub-frames, the locking mechanism further includes a linkage structure that is respectively abutted against the two buckles, so that when an external force presses one of the buckles toward the center of the bottom cover, the linkage structure can push the other buckle to move toward the center of the bottom cover at the same time, so that the two buckles unlock the handle.

6. The electrothermal canteen according to claim 5, wherein two buckles are defined as a first buckle and a second buckle respectively, the linkage structure includes a connecting rod and a push rod, the connecting rod is slidably connected with the bottom cover and abuts against the first buckle, the push rod is rotatably connected with the bottom cover, and two ends of the push rod abut against the second buckle and the connecting rod respectively, so as to be capable of rotating relative to the connecting rod and the second buckle respectively, so that when the first buckle is pressed by an external force, the push rod can drive the second buckle to move.

7. The electrothermal canteen according to claim 6, wherein the connecting rod is provided with a guide hole, the length direction of the guide hole is the movement direction of the first buckle or the second buckle, the bottom cover is provided with a guide post, and the guide post is arranged in the guide hole in a penetrating manner so as to move in the guide hole.

8. The electrothermal canteen of claim 6, wherein a first recess is provided at a bottom of the second clasp, a second recess is provided at a top of the connecting rod, and the push rod rotates within the first recess and the second recess, respectively.

9. The electrothermal canteen according to claim 6, wherein the second fastener has an embedded groove, and the subframe is embedded in the embedded groove.

10. The electrothermal canteen according to claim 5, wherein a stopper is provided on a side of the subframe facing the elastic member, and the stopper is adapted to abut against the buckle when the buckle moves toward the center of the bottom cover, so as to limit further movement of the buckle.