CN212307084U

CN212307084U - Self-heating heat preservation lunch-box

Info

Publication number: CN212307084U
Application number: CN202020846562.9U
Authority: CN
Inventors: 李宏伟
Original assignee: Guangdong Fuhe Packaging Technology Co ltd
Current assignee: Guangdong Fuhe Packaging Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-08
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a self-heating heat preservation lunch-box, including lid, box body, the first downthehole cell body of dish casing and multiaperture of putting, the controller is installed to one side of box body, and the top of box body installs the lid, and the both sides of lid all articulate the second stationary blade of being connected with the box body to the both ends of lid all articulate has the first stationary blade of being connected with the box body, the inside bottom of box body is provided with water holding tank, and water holding tank installs heater strip and temperature sensor in inside bottom. The utility model discloses an install first dish casing, second and put dish casing, cap and put the meal casing of putting for the device convenient to use person is categorised according to the size and specification and the kind of dish, can put first dish casing of putting with longer dish inside, places the dish casing at two seconds respectively with the dish of general length, and places rice inside putting the meal casing, and then can fully provided user's categorised demand.

Description

Self-heating heat preservation lunch-box

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to a self-heating heat-preservation lunch box.

Background

The lunch box is a box that is used for specially holding the meal, also called as the box, and the lunch box is various, and this is the most popular with heat preservation lunch box again, and its appearance has made things convenient for people's life, but current heat preservation lunch box still has following several problems when the in-service use:

1. the common heat-preservation lunch box does not have a self-heating function or a dry-burning prevention protection function, which causes the poor use effect of the device;

2. the existing heat-preservation lunch boxes on the market also have the defect that the food is difficult to classify and store, so that the food is easily tainted with the smell when being stacked together, and the taste is influenced;

3. the existing heat-preservation lunch box also has the defects of difficult disassembly and maintenance and poor heat-preservation and anti-aging effects, which greatly influences the service life of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-heating heat preservation lunch-box to what put forward does not possess among the solution above-mentioned background art self-heating function or does not possess and prevent dry combustion method protect function, be difficult for classifying food and deposit and difficult dismantlement maintain and the poor problem of heat preservation ageing resistance effect.

In order to achieve the above object, the utility model provides a following technical scheme: a self-heating heat preservation lunch box comprises a box cover, a box body, a first dish placing shell and a porous cell body, wherein a controller is installed on one side of the box body, the box cover is installed at the top end of the box body, second fixing pieces connected with the box body are hinged to two sides of the box cover, first fixing pieces connected with the box body are hinged to two ends of the box cover, a water containing groove is arranged at the bottom end inside the box body, heating wires and a temperature sensor are installed at the bottom end inside the water containing groove, the porous cell body is installed inside the box body at the top end of the water containing groove, the first dish placing shell is arranged on one side inside the porous cell body, the meal placing shell is arranged on the other side inside the porous cell body, the second dish placing shell is arranged on the porous cell body at two ends of the meal placing shell, and heat insulation handles are arranged on two sides of the first dish placing shell, and the top ends of the first vegetable placing shell, the second vegetable placing shell and the rice placing shell are provided with shell covers, and both ends of the shell covers are provided with fixing buckles.

Preferably, the top of lid articulates there is the handle, and the inside top of handle evenly is provided with the groove of holding that is equidistant range to the one end at lid top is provided with the exhaust hole, is provided with the sealing plug on the exhaust hole, makes its portable, and has promoted the antiskid effect when the device is portable.

Preferably, one side that first stationary blade and second stationary blade are close to the box body all is provided with the fixed slot, be provided with on the box body outer wall with fixed slot assorted fixed strip, and all evenly be provided with the reinforcement draw-in groove on the first stationary blade at fixed slot both ends and the second stationary blade, be provided with on the box body outer wall with the reinforcement draw-in groove assorted reinforcement fixture block, stability when having promoted lid and box body and connecting has strengthened the practicality of device.

Preferably, the lateral wall of box body is provided with the polysulfone rigid layer, and the inside of box body lateral wall is provided with vacuum insulation layer to vacuum insulation layer's inside is evenly stuffed with heat preservation rock wool, makes it promote the heat preservation effect and the ageing resistance effect of device.

Preferably, the partition plates are uniformly arranged inside the porous inner groove body, the partition plates and the porous inner groove body form an integrally formed structure, and the vent holes are uniformly formed in the partition plates, so that the first vegetable placing shell, the second vegetable placing shell and the rice placing shell can be placed and taken conveniently.

Preferably, the outer wall of the downthehole cell body of multiaperture evenly is provided with the draw runner, the inside of box body be provided with draw runner assorted spout, and four corners of box body bottom all are provided with the rubber stabilizer blade, the device of being convenient for clears up the maintenance.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the self-heating heat-preservation lunch box is provided with a water containing groove, a partition plate, a multi-hole groove body, a controller and a heating wire, when the device is used, after the heating wire is electrified, the self high resistance property is utilized, heat can be generated in the water containing groove, clear water is heated to be boiled to generate steam, the steam can be diffused through vent holes formed in the partition plate and the multi-hole groove body and then enters a first dish placing shell, a second dish placing shell and a meal placing shell through an unfastened box cover, the steam heating of food is realized, the self-heating function of the device is realized, on the other hand, a temperature sensor can constantly monitor the temperature condition in the water containing groove and send the monitored data to the controller, on the basis that the inside of the water containing groove can not exceed more than the reaching degree in the presence of water, but the temperature can be very high in the dry-boiling process, when the temperature exceeds, the controller can control the heating wire to be powered off, so that a better dry burning prevention protection function is realized, the safety performance of the device is enhanced, and the long-term popularization of the device is facilitated;

(2) the self-heating heat-preservation lunch box is provided with the first dish placing shell, the second dish placing shell, the shell cover and the meal placing shell, so that when the self-heating heat-preservation lunch box is used, a user can place longer dishes into the first dish placing shell according to the size and the specification and the types of the dishes, the dishes with common lengths are placed in the two second dish placing shells respectively, rice is placed into the meal placing shells, then the shell cover is closed, and the fixing buckle is buckled, so that the classification requirements of the user can be fully met through the more precise classified loading of the food, and the taint of the smell is avoided;

(3) the self-heating heat-preservation lunch box is characterized in that a fixing groove, a fixing sleeve, a box cover, a box body, a reinforcing clamping groove, a polysulfone rigid layer, a vacuum heat-preservation layer and heat-preservation rock wool are arranged on the box body, so that the fixing groove and a fixing strip are connected in a clamping manner, the connecting action of the reinforcing clamping groove and the reinforcing clamping block is matched, the stability of the box cover and the box body during connection is improved through a multiple clamping structure, the practicability of the device is enhanced, and a user can conveniently assemble or disassemble the porous groove body and the box body by utilizing a sliding connection structure formed by the sliding strip and the sliding groove, so that the device is convenient to clean and maintain, the strength, the ageing resistance and other properties of the box body are improved by arranging the polysulfone rigid layer on the outer side wall of the box body, the service life of the device is prolonged, and the vacuum heat-preservation rock wool and the heat-, utilize the difficult advantage of propagating of heat under the vacuum state, the thermal-insulated heat preservation effect of cooperation heat preservation rock wool has promoted the heat preservation effect of device.

Drawings

FIG. 1 is a schematic view of the front view of the partial cross-section structure of the present invention;

FIG. 2 is a schematic view of the rear section structure of the box body of the present invention;

FIG. 3 is a schematic view of the top view of the multi-hole trough body of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the side wall of the box body of the present invention.

In the figure: 1. a box cover; 2. fixing grooves; 3. reinforcing the clamping groove; 301. reinforcing the clamping block; 4. a handle; 5. an exhaust hole; 6. a first fixing sheet; 7. a box body; 8. a controller; 9. a fixing strip; 10. a second fixing sheet; 11. a water containing tank; 12. a rubber foot; 13. heating wires; 14. a temperature sensor; 15. a chute; 16. a slide bar; 17. a fixing buckle; 18. a heat insulation handle; 19. a shell cover; 20. a first vegetable housing; 21. a porous trough body; 22. a partition plate; 2201. a vent hole; 23. a second vegetable housing; 24. placing a rice shell; 25. heat preservation rock wool; 26. a polysulfone rigid layer; 27. and a vacuum heat insulation layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a self-heating heat preservation lunch box comprises a box cover 1, a box body 7, a first dish placing shell 20 and a multi-hole groove body 21, wherein a controller 8 is installed on one side of the box body 7, the box cover 1 is installed on the top end of the box body 7, second fixing pieces 10 connected with the box body 7 are hinged to two sides of the box cover 1, first fixing pieces 6 connected with the box body 7 are hinged to two ends of the box cover 1, a handle 4 is hinged to the top end of the box cover 1, hand holding grooves which are arranged at equal intervals are uniformly formed in the top end of the inside of the handle 4, an exhaust hole 5 is formed in one end of the top of the box cover 1, and a sealing plug is arranged on;

when in use, a user can hold the handle 4 to carry the device, and the handle grooves which are arranged at equal intervals are uniformly arranged at the top end inside the handle 4, so that the anti-skid effect of the device when being carried by hand is improved;

fixing grooves 2 are formed in one sides, close to the box body 7, of the first fixing piece 6 and the second fixing piece 10, fixing strips 9 matched with the fixing grooves 2 are arranged on the outer wall of the box body 7, reinforcing clamping grooves 3 are uniformly formed in the first fixing piece 6 and the second fixing piece 10 at two ends of each fixing groove 2, and reinforcing clamping blocks 301 matched with the reinforcing clamping grooves 3 are arranged on the outer wall of the box body 7;

when the device is closed, a user can press the first fixing piece 6 and the second fixing piece 10 arranged on the outer wall of the box cover 1 towards the box body 7, the fixing groove 2 and the fixing strip 9 are connected in a clamping mode, and meanwhile the fixing groove 3 and the reinforcing clamping block 301 are matched in connection, so that the stability of the box cover 1 and the box body 7 during connection is improved through a multiple clamping structure, and the practicability of the device is enhanced;

a water containing groove 11 is arranged at the bottom end inside the box body 7, a heating wire 13 and a temperature sensor 14 are arranged at the bottom end inside the water containing groove 11, a multi-hole groove body 21 is arranged inside the box body 7 at the top end of the water containing groove 11, a first vegetable containing shell body 20 is arranged at one side inside the multi-hole groove body 21, a rice placing shell 24 is arranged at the other side in the porous inner groove body 21, a second dish placing shell 23 is arranged on the porous inner groove body 21 at the two ends of the rice placing shell 24, heat insulation handles 18 are arranged at the two sides of the first dish placing shell 20, the second dish placing shell 23 and the rice placing shell 24, and the top ends of the first dish placing shell 20, the second dish placing shell 23 and the rice placing shell 24 are provided with shell covers 19, both ends of the shell covers 19 are provided with fixing buckles 17, the outer side wall of the box body 7 is provided with a polysulfone rigid layer 26, a vacuum heat insulation layer 27 is arranged inside the side wall of the box body 7, and heat insulation rock wool 25 is uniformly filled inside the vacuum heat insulation layer 27;

when the vacuum heat insulation box is used, on one hand, the polysulfone rigid layer 26 is arranged on the outer side wall of the box body 7, and the performances of polysulfone insulation, high strength and corrosion resistance are utilized, so that the strength, ageing resistance and the like of the box body 7 are improved, and the service life of the vacuum heat insulation box is prolonged;

partition plates 22 are uniformly arranged inside the porous inner tank body 21, the partition plates 22 and the porous inner tank body 21 form an integrally formed structure, and vent holes 2201 are uniformly formed in the partition plates 22;

when the multi-hole internal groove body 21 is used, the partition plates 22 are uniformly arranged inside the multi-hole internal groove body 21, the internal space of the multi-hole internal groove body 21 can be partitioned, the first vegetable placing shell 20, the second vegetable placing shell 23 and the rice placing shell 24 can be conveniently placed and taken, the vent holes 2201 are uniformly formed in the partition plates 22 and the multi-hole internal groove body 21, the heat steam can be conveniently diffused, the heating effect is improved, the multi-hole internal groove body 21 is a structure with a plurality of through holes on the basis of a common groove body, and an oblique strip-shaped hole structure can be seen in the drawing, so that the gas exchange is facilitated;

the outer wall of the multi-hole groove body 21 is uniformly provided with sliding strips 16, the inside of the box body 7 is provided with sliding grooves 15 matched with the sliding strips 16, and four corners of the bottom end of the box body 7 are provided with rubber support legs 12;

when in use, a user can assemble or disassemble the slot body 21 in the multiple holes and the box body 7 by using a sliding connection structure formed by the sliding strip 16 and the sliding groove 15, so that the device is convenient to clean and maintain;

the output end of the temperature sensor 14 is electrically connected with the input end of the controller 8 through a wire, the output end of the controller 8 is electrically connected with the input end of the heating wire 13 through a wire, the type of the controller 8 can be TPC8-8TD, and the type of the temperature sensor 14 can be PT 100.

The working principle is as follows: when the multifunctional kitchen knife is used, the multifunctional kitchen knife is externally connected with a power supply, a user can firstly place longer dishes into the first dish placing shell body 20 according to the size specification and the type of the dishes, respectively place dishes with general lengths into the two second dish placing shell bodies 23, place rice into the rice placing shell body 24, then close the shell cover 19, buckle the fixing buckle 17, fully meet the classification requirement of the user through the fine classification loading of food, avoid tainting of odor, after the food is placed, then the user can place the first dish placing shell body 20, the second dish placing shell body 23 and the rice placing shell body 24 into the porous groove body 21, then close the box cover 1, and press the first fixing piece 6 and the second fixing piece 10 arranged on the outer wall of the box cover 1 towards the box body 7 when the user closes the device, and enable the fixing groove 2 to be connected with the fixing strip 9 in a clamping way, and simultaneously match the connection effect of the reinforcing clamping groove 3 and the reinforcing clamping block 301, through the multiple block structure, the stability when the box cover 1 is connected with the box body 7 is improved, the practicability of the device is enhanced, then a user can grasp the handle 4 to carry the device, when in use, on one hand, the polysulfone rigid layer 26 is arranged on the outer side wall of the box body 7, the strength, the high strength and the corrosion resistance of the polysulfone rigid layer are utilized, the strength, the ageing resistance and other properties of the box body 7 are improved, the service life of the device is prolonged, on the other hand, the vacuum heat insulation layer 27 and the heat insulation rock wool 25 are arranged on the box body 7, the heat insulation effect of the device is improved by utilizing the advantage that heat is not easy to spread in a vacuum state and matching the heat insulation effect of the heat insulation rock wool 25, finally, when the user needs to heat food in the device, the user can take out the porous inner groove body 21 from the box body 7 by utilizing the sliding connection structure formed by, then adding clean water into the water containing tank 11, then loading the clean water into the porous tank body 21, opening the first vegetable containing shell 20, the second vegetable containing shell 23 and the cover 19 on the rice containing shell 24, closing the box cover 1, opening the sealing plug on the exhaust hole 5, generating heat in the water containing tank 11 by utilizing the high resistance property of the heating wire 13 after the heating wire is electrified, heating the clean water to boil the clean water to generate steam, the steam is diffused through the partition plate 22 and the vent holes 2201 arranged on the porous inner tank body 21 and enters the first vegetable containing shell 20, the second vegetable containing shell 23 and the rice containing shell 24 through the untied box cover 1 to realize steam heating of food, realizing the self-heating function of the device, and in the process, the temperature sensor 14 can constantly monitor the temperature condition in the water containing tank 11 and send the monitored data to the controller 8, based on the water-containing trough 11 is inside generally can not surpass and reach more than 100 degrees when having water, but the temperature can be very high when dry combustion method, and when the temperature exceeded the default, controller 8 can control heater strip 13 outage, and then realized better preventing dry combustion method protect function, strengthened the security performance of device, be favorable to the long-term popularization of device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a self-heating heat preservation lunch-box, includes lid (1), box body (7), first dish casing (20) and porous interior cell body (21) of putting, its characterized in that: a controller (8) is installed on one side of the box body (7), a box cover (1) is installed on the top end of the box body (7), second fixing pieces (10) connected with the box body (7) are hinged to two sides of the box cover (1), first fixing pieces (6) connected with the box body (7) are hinged to two ends of the box cover (1), a water containing groove (11) is arranged at the bottom end inside the box body (7), a heating wire (13) and a temperature sensor (14) are installed at the bottom end inside the water containing groove (11), a multi-hole groove body (21) is installed inside the box body (7) on the top end of the water containing groove (11), a first vegetable placing shell (20) is arranged on one side inside the multi-hole groove body (21), a rice placing shell (24) is arranged on the other side inside the multi-hole groove body (21), and a second vegetable placing shell (23) is arranged on the multi-hole groove body (21) on, the first side of placing the dish shell (20), the second side of placing the dish shell (23) and placing the rice shell (24) is provided with a heat insulation handle (18), the top ends of the first side of placing the dish shell (20), the second side of placing the dish shell (23) and placing the rice shell (24) are provided with a shell cover (19), and the two ends of the shell cover (19) are provided with fixing buckles (17).

2. The self-heating heat-preservation lunch box as claimed in claim 1, wherein: the top of lid (1) articulates there is handle (4), and the inside top of handle (4) evenly is provided with and is the equidistant groove of holding of arranging to the one end at lid (1) top is provided with exhaust hole (5), is provided with the sealing plug on exhaust hole (5).

3. The self-heating heat-preservation lunch box as claimed in claim 1, wherein: one side that first stationary blade (6) and second stationary blade (10) are close to box body (7) all is provided with fixed slot (2), be provided with on box body (7) outer wall with fixed slot (2) assorted fixed strip (9), and all evenly be provided with on first stationary blade (6) and second stationary blade (10) at fixed slot (2) both ends and consolidate draw-in groove (3), be provided with on box body (7) outer wall and consolidate draw-in groove (3) assorted and consolidate fixture block (301).

4. The self-heating heat-preservation lunch box as claimed in claim 1, wherein: the outer side wall of the box body (7) is provided with a polysulfone rigid layer (26), a vacuum heat insulation layer (27) is arranged inside the side wall of the box body (7), and heat insulation rock wool (25) is uniformly filled inside the vacuum heat insulation layer (27).

5. The self-heating heat-preservation lunch box as claimed in claim 1, wherein: partition plates (22) are uniformly arranged inside the porous inner groove body (21), the partition plates (22) and the porous inner groove body (21) form an integrally formed structure, and vent holes (2201) are uniformly formed in the partition plates (22).

6. The self-heating heat-preservation lunch box as claimed in claim 1, wherein: the outer wall of the multi-hole inner groove body (21) is evenly provided with a sliding strip (16), the inside of the box body (7) is provided with a sliding groove (15) matched with the sliding strip (16), and four corners of the bottom end of the box body (7) are provided with rubber support legs (12).