CN213128407U - Electric heating lunch box with stable structure - Google Patents

Abstract

The utility model discloses a stable in structure's electric heat lunch-box belongs to the small household appliances field, and the appearance quality and the structural stability problem that appear when solving electric heat lunch-box and adopting split type base, the utility model provides a stable in structure's electric heat lunch-box, including the base that has the heating function, the base includes base shell and the inner bag of configuration in base shell, and base shell's lateral wall upper end is equipped with spacing muscle, and inner bag lateral wall upper end is enclosed into the recess by turn-ups and shirt rim, and spacing muscle is inserted in the recess and by the shirt rim backstop, is connected with the strengthening rib between shirt rim and the inner bag lateral wall, corresponds the strengthening rib setting on the spacing muscle and dodges the groove, and the strengthening rib with dodge. The reinforcing ribs increase the structural strength of the skirt edge, so that the compression deformation resistance of the skirt edge is increased; dodge of groove to the strengthening rib and make spacing muscle can all insert the recess in, increase the area that spacing muscle was by the shirt rim backstop, also make the part of the spacing muscle of shirt rim backstop can be supported by the strengthening rib simultaneously, structural stability is good.

Description

Electric heating lunch box with stable structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a small household electrical appliances field especially relates to stable in structure's electric heat lunch-box.

[ background of the invention ]

The electric heating lunch box is a small household appliance which achieves the purposes of heating and heat preservation by enabling high-temperature steam to be generated in the lunch box after the heating body is electrified, and the main function of the electric heating lunch box is used for heating rice and dishes, so that the electric heating lunch box is much smaller in size than the traditional household electric rice cooker, and is convenient for office workers and outdoor people to carry and use. The current electric heat lunch-box has the base of taking heating function usually, is provided with operating panel on the base for adjust heating temperature, time etc. for the equipment of convenient operating panel, heating device and base, the base is set up into the components of a whole that can function independently structure, including base shell and the inner bag of configuration in base shell, owing to adopted the components of a whole that can function independently structure, need consider appearance quality and the structural stability of base shell and inner bag cooperation department, the utility model discloses propose corresponding solution to this promptly.

[ Utility model ] content

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the electric heating lunch box with stable structure.

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

stable in structure's electric heat lunch-box, including the base that has heating function, the base includes base shell and configuration and is in inner bag in the base shell, base shell's lateral wall upper end is equipped with spacing muscle, inner bag lateral wall upper end encloses into the recess by turn-ups and shirt rim, spacing muscle inserts in the recess and by the shirt rim backstop, the shirt rim with be connected with the strengthening rib between the inner bag lateral wall, correspond on the spacing muscle the groove is dodged in the strengthening rib setting, the strengthening rib with dodge the groove and cooperate in the base direction of height.

In the electric heating lunch box with the stable structure, the avoiding groove is limited on the reinforcing rib in the circumferential direction of the base shell.

In the electric heating lunch box with the stable structure, the upper end of the side wall of the base shell surrounds the outer side of the limiting rib to form an annular gap, and the skirt edge is matched in the annular gap.

In the electric heating lunch box with the stable structure, the bottom surface of the avoiding groove is higher than the bottom surface of the annular notch, and the bottom surface of the skirt edge is level or lower than the bottom surface of the avoiding groove.

In the electric heating lunch box with the stable structure, the bottom surface of the skirt edge is abutted against the bottom surface of the annular gap.

In the electric heating lunch box with the stable structure, the reinforcing ribs extend towards the bottom of the inner container along the side wall of the inner container, and the height of the reinforcing ribs is greater than or equal to half of the height of the inner container.

In the electric heating lunch box with the stable structure, the width of the reinforcing ribs is gradually reduced from top to bottom.

In the electric heating lunch box with the stable structure, the limiting ribs and/or the side wall of the base shell are/is stopped by the reinforcing ribs.

In the electric heating lunch box with the stable structure, the base shell and the inner container are both plastic parts.

In the electric heating lunch box with the stable structure, the bottom wall of the inner container extends downwards to form the upper connecting column, the bottom wall of the base shell extends upwards to form the lower connecting column, and the upper connecting column is fixedly connected with the lower connecting column.

The utility model has the advantages that:

according to the electric heating lunch box with the stable structure provided by the utility model, after the inner container is installed on the base shell, the outer side of the limiting rib at the upper end of the side wall of the base shell is stopped by the skirt edge of the inner container, so that the outward warping of the upper end of the side wall of the base shell is prevented, the limiting rib can be shielded, and the appearance quality of the matching part of the base shell and the inner container is ensured; the reinforcing ribs between the skirt edge and the side wall of the liner increase the structural strength of the skirt edge, and further increase the compression resistance and deformation capacity of the skirt edge.

Can understand based on above-mentioned scheme, can receive blockking of strengthening rib when spacing muscle inserts the recess, if spacing muscle up end is direct to offset with the strengthening rib, in spacing muscle can't all insert the recess, at this moment will satisfy the appearance quality, need prolong the shirt rim downwards and increase the backstop area to spacing muscle, but the part of the spacing muscle of shirt rim backstop is not supported by the strengthening rib, the longer structural stability of shirt rim length is poor more, takes place to warp or warp easily. Therefore, the utility model discloses correspond the strengthening rib on spacing muscle and set up and dodge the groove, the strengthening rib with dodge the groove and cooperate on base direction of height, through dodging the groove to the strengthening rib dodge make spacing muscle can all insert the recess in to increase spacing muscle by the area of shirt rim backstop, also make the part of the spacing muscle of shirt rim backstop can be supported by the strengthening rib simultaneously, structural strength is high, stability is good, prevents effectively that the shirt rim from warping or warping.

Further, the avoidance groove is located the reinforcing rib is limited in the circumferential direction of the base shell. After the inner bag was installed to the base shell, the strengthening rib was dodged the groove spacing, prevented that the strengthening rib from removing in the circumferential direction of base shell, has also restricted the inner bag and has removed in the circumferential direction of base shell, further promoted structural stability.

Furthermore, the upper end of the side wall of the base shell is provided with an annular gap around the outer side of the limiting rib, and the skirt edge is matched in the annular gap. The visual obtrusive feeling caused by the exposed skirt edge is reduced, the outer surface of the base is smoother and smoother, and the attractiveness of the product is improved.

Furthermore, the bottom surface of the avoiding groove is higher than the bottom surface of the annular notch, and the bottom surface of the skirt edge is level or lower than the bottom surface of the avoiding groove. The skirt edge can completely shield and avoid the groove, and the influence on visual experience caused by light leakage of the avoiding groove is prevented.

Further, the bottom surface of the skirt edge abuts against the bottom surface of the annular gap. The fit clearance between the bottom surface of the skirt edge and the bottom surface of the annular gap can be directly observed, the visual effect of the clearance can be weakened by abutting the bottom surface of the skirt edge against the bottom surface of the annular gap, and the fit tightness of the base shell and the inner container can also be enhanced.

Furthermore, the reinforcing rib extends to the bottom of the inner container along the side wall of the inner container, and the height of the reinforcing rib is larger than or equal to half of the height of the inner container. At least half of the side wall of the inner container in the height direction is supported by the reinforcing ribs, so that the compression and deformation resistance is improved.

Further, the side wall of the base housing is stopped by the reinforcing rib. The side walls of the base shell are supported by the reinforcing ribs, so that the compression and deformation resistance is improved.

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

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic view of an external structure of an electric heating lunch box according to an embodiment of the present invention;

fig. 2 is a first assembly diagram of the base according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a second assembly view of the base according to an embodiment of the present invention;

FIG. 5 is a partial enlarged view of FIG. 4 at B;

fig. 6 is a cross-sectional view of a base in an embodiment of the invention;

fig. 7 is a partial enlarged view of fig. 6 at C.

Reference numerals:

100, 110, 111 and 112 casing shells, 113 limiting ribs, 114 avoiding grooves, 1141 avoiding groove bottom surfaces, 115 annular notches, 1151 annular notch bottom surfaces, 116 lower connecting columns, 120 liners, 121 liner side walls, 122 liner bottom walls, 123 flanges, 124 skirts, 1241 skirt bottom surfaces, 125 reinforcing ribs and upper connecting columns;

200 lunch boxes;

300, covering the box;

400 a heater;

500 operating a panel.

[ detailed description ] embodiments

The utility model provides a stable in structure's electric heat lunch-box, including the base that has the heating function, the base includes base shell and configuration and is in inner bag in the base shell, base shell's lateral wall upper end is equipped with spacing muscle, inner bag lateral wall upper end is enclosed into the recess by turn-ups and shirt rim, spacing muscle inserts in the recess and by the shirt rim backstop, the shirt rim with be connected with the strengthening rib between the inner bag lateral wall, correspond on the spacing muscle the groove is dodged in the strengthening rib setting, the strengthening rib with dodge the groove and cooperate on the base direction of height. The reinforcing ribs between the skirt edge and the side wall of the liner increase the structural strength of the skirt edge, so that the compression and deformation resistance of the skirt edge is increased; correspond the strengthening rib on the spacing muscle and set up and dodge the groove, the strengthening rib with dodge the groove and cooperate on base direction of height, through dodging making in spacing muscle can all insert the recess to the strengthening rib in dodging of dodging the groove to increase spacing muscle by the area of shirt rim backstop, also make the part of the spacing muscle of shirt rim backstop can be supported by the strengthening rib simultaneously, structural strength is high, stability is good, prevents effectively that the shirt rim from warping or warping.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-7, the electric heating lunch box with stable structure provided in one embodiment of the present invention includes a base 100 with a heating function, the base 100 includes a base housing 110 and an inner container 120 disposed in the base housing 110, a limiting rib 113 is disposed on the upper end of the sidewall of the base housing 110, a groove is defined by a flange 123 and a skirt 124 on the upper end of the sidewall of the inner container 120, the limiting rib 113 is inserted into the groove and stopped by the skirt 124, a reinforcing rib 125 is connected between the skirt 124 and the sidewall of the inner container 120, a avoiding groove 114 is disposed on the limiting rib 113 corresponding to the reinforcing rib 125, and the reinforcing rib 125 and the avoiding groove 114 are matched in the height direction of the base 100. The limiting rib 113 is stopped by the skirt 124, and is not limited to the condition that the outer side of the limiting rib 113 and the inner skirt 124 are attached to each other, and a slight gap is allowed between the two.

Specifically, the electric heating lunch box of this embodiment from top to bottom includes lid 300, lunch-box 200 and base 100 in proper order, sets up heater 400 and configuration operating panel 500 on the base 100, and lunch-box 200 and base 100 all are equipped with the heating chamber, and when using the electric heating lunch-box, put into suitable amount of water in the heating chamber of base 100, and the user sets for heating time/temperature isoparametric through operating panel 500, and heater 400 heats the water that the intracavity was heated to base 100 and produces steam, utilizes steam heat to evaporate dish or steamed rice.

In order to facilitate the installation of the operation panel 500 and the heater 400 on the base 100, the base 100 is configured as a separate structure including the base housing 110 and the inner container 120 disposed in the base housing 110, and because the separate structure is adopted, the appearance quality and the structural stability of the matching portion between the base housing 110 and the inner container 120 need to be considered. Specifically, the method comprises the following steps: the base shell 110 and the inner container 120 are both made of plastic parts, and the reinforcing ribs 125 are integrally formed on the inner container 120, so that the base shell is low in cost, light in weight and good in portability; the inner container 120 includes an inner container bottom wall 122 and an inner container side wall 121, the inner container bottom wall 122 and the inner container side wall 121 enclose a heating cavity, the base housing 110 includes a housing bottom wall 112 and a housing side wall 111, the inner container 120 is installed in the base housing 110, an upper connecting column 126 extends downwards from the inner container bottom wall 122, a lower connecting column 116 extends upwards from the housing bottom wall 112, and the base housing 110 and the inner container 120 are fixed into a whole by the upper connecting column 126 and the lower connecting column 116 being fixedly connected (for example, screwed). Form thermal-insulated chamber between inner bag diapire 122 and shell diapire 112 and inner bag lateral wall 121 and shell lateral wall 111, thermal-insulated chamber makes the ability of the heat in the heating chamber to outside radiation conduction weakened greatly, has reduced the calorific loss in the heating process, has improved the food heating efficiency and the heat preservation effect of electric heat lunch-box, has also reduced base shell 110 temperature simultaneously, makes base shell 110 have better anti-scalding performance.

Connect the shell lateral wall 111 upper end sets up spacing muscle 113 in whole week, and inner bag lateral wall 121 outwards extends turn-ups 123, and turn-ups 123 outside downwardly extending goes out shirt rim 124, and inner bag lateral wall 121, turn-ups 123 and shirt rim 124 enclose into the recess, and spacing muscle 113 inserts the recess, and shirt rim 124 backstop is in the 113 outsides of spacing muscle, prevents that the outside emergence in shell lateral wall 111 upper end is bent and is tilted, can shelter from spacing muscle 113 again, has guaranteed the appearance quality of base shell 110 and inner bag 120 cooperation department. A plurality of reinforcing ribs 125 are arranged between the skirt edge 124 and the liner side wall 121 at intervals along the circumferential direction of the groove, and the skirt edge 124 and the liner side wall 121 are supported by the reinforcing ribs 125, so that the structural strength of the skirt edge 124 is increased, and the compression and deformation resistance of the skirt edge 124 is further increased.

According to the scheme, the method comprises the following steps: the limiting rib 113 is blocked by the reinforcing rib 125 when inserted into the groove, if the upper end face of the limiting rib 113 is directly abutted to the reinforcing rib 125, the limiting rib 113 cannot be completely inserted into the groove, at the moment, the appearance quality is met, the skirt edge 124 is required to be downwards extended to increase the blocking area of the limiting rib 113, but the part of the skirt edge 124 blocking the limiting rib 113 is not supported by the reinforcing rib 125, the longer the length of the skirt edge 124 is, the worse the structural stability is, and the deformation or warping is easy to occur. Therefore this embodiment corresponds strengthening rib 125 on spacing muscle 113 and has set up and dodge groove 114, strengthening rib 125 with dodge groove 114 and cooperate on the base 100 direction of height, make spacing muscle 113 can all insert the recess through dodging of dodging groove 114 to strengthening rib 125 in to increase the area that spacing muscle 113 was blockked by shirt rim 124, also make the part that shirt rim 124 blockked spacing muscle 113 can be supported by strengthening rib 125 simultaneously, structural strength is high, stability is good, effectively prevent shirt rim 124 from warping or warping up.

Preferably, the width of the avoiding groove 114 is adapted to the thickness of the reinforcing rib 125, and after the reinforcing rib 125 is inserted into the avoiding groove 114, the avoiding groove 114 limits the reinforcing rib 125 in the circumferential direction of the base housing 110, and limits the movement of the reinforcing rib 125, that is, the movement of the inner container 120 in the circumferential direction of the base housing 110, thereby further improving the structural stability.

In this embodiment, the base housing 110 and the inner container 120 are rectangular, and the heating chamber defined thereby is also rectangular, and the most sufficient space in the length direction of the heating chamber is available for accommodating more containers for heating food. Of course, the rectangular configuration of the base housing and the inner container is only a preferred solution, and in other embodiments, the base housing and the inner container may be designed into other shapes such as a circle, an ellipse, and the like according to actual needs.

Referring to fig. 4-7, in an embodiment of the present invention, the electric heating lunch box according to the previous embodiment: an annular gap 115 is formed in the upper end of the side wall 111 of the shell around the outer side of the limiting rib 113, the skirt edge 124 is matched in the annular gap 115, visual obtrusiveness caused by exposure of the skirt edge 124 is reduced, the outer surface of the base 100 is smoother and smoother, and the attractiveness of a product is improved.

Preferably, skirt floor 1241 abuts annular notch floor 1151. The fit gap between the skirt bottom surface 1241 and the annular notch bottom surface 1151 can be directly observed, and the visual effect of the gap can be weakened by the abutment of the skirt bottom surface 1241 and the annular notch bottom surface 1151, and the fit tightness of the base shell 110 and the inner container 120 can also be enhanced.

Because set up on spacing muscle 113 and dodge groove 114, if dodge tank bottom surface 1141 and annular notch bottom surface 1151 parallel and level, when base shell 110 and inner bag 120 lead to shirt rim bottom surface 1241 can't laminate annular notch bottom surface 1151 because of factors such as manufacturing tolerance, assembly tolerance, will lead to dodging the problem of groove 114 bottom light leak, namely the user can see dodge groove 114 from the base 100 side to influence visual experience. Therefore, in this embodiment, the limited avoiding groove bottom surface 1141 is higher than the annular notch bottom surface 1151, and the skirt bottom surface 1241 is flush with or lower than the avoiding groove bottom surface 1141, so that the skirt 124 can completely shield the avoiding groove 114, and the influence of light leakage from the avoiding groove 114 on the visual experience is prevented.

Referring to fig. 4-7, in an embodiment of the present invention, the electric heating lunch box according to the previous embodiment: the reinforcing rib 125 extends to the bottom of the inner container 120 along the inner container side wall 121, the height of the reinforcing rib 125 is greater than or equal to half of the height of the inner container 120, the inner container 120 is easy to deform due to the fact that a plastic piece is adopted, and when the height of the reinforcing rib 125 is greater than or equal to half of the height of the inner container 120, at least half of the inner container side wall 121 is supported by the reinforcing rib 125 in the height direction, and therefore the compression-resistant deformation capacity is improved.

Because the base shell 110 also adopts a plastic part, the deformation is easy, when the inner container 120 is installed on the base shell 110, the shell side wall 111 is stopped by the reinforcing rib 125, the reinforcing rib 125 can be completely or partially attached to the shell side wall 111, and the shell side wall 111 is supported by the reinforcing rib 125, so that the compression deformation resistance is improved. Preferably, in order not to affect the assembly of the inner container 120 and the base housing 110, the width of the reinforcing rib 125 is gradually reduced from top to bottom, so that the interference probability between the reinforcing rib 125 and the housing sidewall 111 is reduced in the process of placing the inner container 120 into the base housing 110, and the assembly of the base 100 is more smooth.

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 those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. Stable in structure's electric heat lunch-box, including the base that has heating function, the base includes base shell and configuration and is in inner bag in the base shell, its characterized in that, base shell's lateral wall upper end is equipped with spacing muscle, inner bag lateral wall upper end is enclosed into the recess by turn-ups and shirt rim, spacing muscle inserts in the recess and by the shirt rim backstop, the shirt rim with be connected with the strengthening rib between the inner bag lateral wall, correspond on the spacing muscle the groove is dodged in the strengthening rib setting, the strengthening rib with dodge the groove and cooperate in the base direction of height.

2. The structurally stable, electrically heated lunchbox of claim 1 wherein the relief groove circumscribes the ribs in a circumferential direction of the base housing.

3. The structurally stable, electrically heated lunchbox of claim 1 wherein an annular gap is provided in the upper end of the side wall of the base housing around the outside of the retention rib, the skirt fitting within the annular gap.

4. The electrothermal canteen of claim 3, wherein the bottom surface of the avoiding slot is higher than the bottom surface of the annular gap, and the bottom surface of the skirt is substantially flat or lower than the bottom surface of the avoiding slot.

5. The electrothermal canteen of claim 3, wherein the bottom surface of the skirt abuts the bottom surface of the annular gap.

6. The structurally stable, electrically heated lunchbox of claim 1 wherein the ribs extend along the sidewalls of the inner container toward the bottom of the inner container, the ribs having a height greater than or equal to one-half of the height of the inner container.

7. The electrothermal lunch box of claim 6, wherein the width of the reinforcing ribs gradually decreases from top to bottom.

8. The structurally stable, electrically heated lunchbox of claim 6 wherein the side walls of the base housing are stopped by the ribs.

9. An electrothermal canteen of stable construction according to any one of claims 1 to 8 wherein the base housing and the inner container are plastic parts.

10. An electrothermal lunch box with a stable structure as claimed in any one of claims 1 to 8, wherein an upper connecting column extends downwards from the bottom wall of the inner container, a lower connecting column extends upwards from the bottom wall of the base housing, and the upper connecting column is fixedly connected with the lower connecting column.

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