CN209915748U

CN209915748U - Food heating device using self-heating material

Info

Publication number: CN209915748U
Application number: CN201920444901.8U
Authority: CN
Inventors: 李奉源
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-10
Anticipated expiration: 2029-04-03

Abstract

The utility model discloses an use food heating device from heat material, the structure includes water tank, under casing, starting element, flexible cover and support frame, wherein: the top of the water tank is provided with a water inlet used for injecting water into the water tank; the top of the bottom box is provided with an opening for placing a reaction heat generating material and sleeving the water tank into the bottom box from top to bottom; the starting element comprises a one-way valve which is arranged at the bottom of the water tank and can be opened from outside to inside, and a top rod which is arranged at the bottom of the bottom tank; the supporting frame is connected to the outer wall of the bottom box, and one end of the supporting frame is connected with a handle; the flexible sleeve is made of a hollow round table-shaped flexible material and can be turned and deformed, one end of the hollow round table with a smaller radius is fixedly connected to the periphery of a water inlet at the top of the water tank, a drawstring is arranged at one end with a larger radius along the circumference, and the end with the larger radius of the flexible sleeve can be reduced and closed up by pulling out the drawstring. When the device is used, the water tank filled with water is combined with the bottom box filled with heating materials, the flexible sleeve is supported, and the whole device is immersed in food and directly heated.

Description

Food heating device using self-heating material

Technical Field

The utility model relates to a from the heating articles for use field, be a food heating device who uses self-heating material.

Background

The heating requirements of food and drink without fire sources or power sources are frequently met in occasions such as outdoor travel and disaster relief. In this case, a chemical reaction material (generally, quicklime, aluminum, magnesium, iron and the like are commonly used as a reaction auxiliary) which reacts with water and air to generate heat is generally used as a heat source, and the specific application schemes include two types:

one is that the heat generating device and the food package are integrated, including some self-heating chafing dish type instant food, canned hot drink, military canned food, etc.;

another solution, similar to patent ZL201711019048.7, combines a simple layered container with a sealed self-heating material: when in use, the self-heating material package is opened and placed in the heating interlayer on the outer layer of the container to react with water in a contact way.

Both of these solutions have their limitations. The first one is only suitable for special instant food and can be used only once; the second type needs a specific layered container, so that the applicability and the universality are poor in practical use, the interlayer is positioned on the outer layer of the container, a large part of generated heat is dissipated from the outer wall, the heating efficiency is low, and the shell heated by the interlayer is also hidden in the risk of scalding people.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that above-mentioned self-heating product exists, provide a diet self-heating device that portable, safe, commonality are good, adopt following technical scheme for this reason:

a food heating device using self-heating material comprises a water tank, a bottom box, a starting element, a flexible sleeve and a supporting frame;

the top of the water tank is provided with a water inlet used for injecting water into the water tank;

the top of the bottom box is provided with an opening for placing a reaction heat generating material and sleeving the water tank into the bottom box from top to bottom;

the starting element comprises a one-way valve arranged at the bottom of the water tank and a mandril arranged at the bottom of the bottom box, and the one-way valve can only be opened inwards from the outside of the water tank; when the water tank is sleeved into the bottom tank, the ejector rod is aligned to the one-way valve in position and can jack up a valve core of the one-way valve in height;

when the water tank is sleeved into the bottom tank, the ejector rod in the starting element interacts with the one-way valve to jack the one-way valve, and water in the water tank flows into the bottom tank to enable the heating material to start to react; when the water tank is separated from the bottom tank, the mandril is separated from the valve core of the one-way valve, the valve core is reset, and the bottom of the water tank is sealed again;

when the water tank is sleeved into the bottom tank, the bottom tank and the water tank are tightly combined, and the joint is sealed;

the supporting frame is connected to the outer wall of the bottom box, and one end of the supporting frame is connected with a handle;

the flexible sleeve is made of a hollow round table-shaped flexible material and can be turned and deformed; one end of the flexible sleeve with the smaller radius of the hollow round table is fixedly connected to the periphery of a water inlet at the top of the water tank; the end with the larger radius is provided with an annular drawstring along the circumference, and the end with the larger radius of the flexible sleeve can be reduced and closed up by pulling out the drawstring; the size of the flexible sleeve can completely cover and accommodate the main water tank structure, the bottom box and the support frame below the flexible sleeve.

Further, the outer wall of the water tank is provided with threads, and the inner wall of the bottom box is provided with threads correspondingly meshed with the outer wall of the water tank; through the screw thread, the water tank is rotatably sleeved into the bottom tank and the joint is sealed.

Furthermore, the outer wall of the water tank is provided with a sealing ring, and when the water tank is combined with the bottom box, the sealing ring is in close contact with the outer wall of the bottom box to seal the combination part of the water tank and the bottom box.

Furthermore, the number of the support frames is two or more, the support frames are hinged with the outer wall of the bottom box, and one end of each support frame is hinged with a handle; the length of the support frame exceeds the height of the combined water tank and the bottom box, and after the water tank is combined with the bottom box, the support frame and the handle can be turned upwards and downwards to enable the handle to be positioned above the water tank or below the bottom box;

a plurality of support frames and a plurality of handles when a plurality of handles are located water tank top or under box simultaneously, can constitute annular stop device, close up the lower half binding off of flexible cover.

Furthermore, the support frame is antenna formula telescopic link structure, can adjust length.

Further, the flexible sleeve is made of food-grade silica gel thin film.

When the heating material box is used, the water tank is separated from the bottom box, water is injected into the water tank through the water inlet, and the heating material in bulk, bags or other packaging forms is filled into the bottom box through the opening at the top of the bottom box;

then respectively holding the support frame (handle on) and the water tank by hands, connecting the water tank and the bottom box into a whole through structures such as threads, and further ensuring the sealing effect by a sealing ring arranged on the water tank; at the moment, the height of the ejector rod in the starting element exceeds the position of the valve core of the one-way valve, so that the one-way valve is pushed to be opened inwards, the water tank and the inner cavity of the bottom box are connected into a whole, water in the water tank naturally flows into the bottom box and is in contact with a heating material, reaction generates heat, and high-pressure steam generated in the heat generation process overflows from the water inlet.

The whole heating device is immersed into a container for holding food by holding a handle of the support frame, and is directly contacted with the food for heating; sealing threads and sealing rings on the water tank and the bottom tank prevent food from contacting the heating material; meanwhile, the flexible sleeve is supported upwards and placed above the surface of the food soup to isolate the water inlet from the food soup, so that water and heating materials in the heating device are prevented from flowing out of the water inlet and contacting with the food; furthermore, the flexible sleeve can be turned over to the opening of the food container to form a flexible cover, so that the heat loss in the heating process of the food in the container is reduced.

Furthermore, a plurality of supporting frames are arranged and designed to be of a hinged and turnable structure, so that the supporting frames can be turned over above the device when the device is used, the handles are combined with each other to form a ring shape, the lower half part of the flexible sleeve is closed and gathered to form a tubular shape, the contact volume of the flexible sleeve and food is reduced, more steam overflowing from the water inlet is in contact with the tube body, and heat is further retained; the support frame is an antenna type telescopic rod structure, and the length of the support frame can be adjusted according to the height of the container and the height of the food capacity, so that the overall height of the device is matched with the amount of the container and the food;

after the heating finishes, handheld handle takes out heating device, separates water tank and under casing, pours out heating material and heats remaining water, combines water tank and under casing again, turns over the cover cladding downwards with the flexible sleeve and accomodates whole device, and taut drawstring binding off alright hand-carry is placed. When the device is used again, the operation is repeated as long as the flexible sleeve is opened.

The utility model discloses the advantage of scheme lies in:

the heating device is internally arranged in a container, directly heats drinks and foods, is not limited by the container at all, and reduces heat loss;

secondly, heating materials (such as packaging, film adding, content combined water and the like) do not need to be customized, various existing commercially available water reaction heating materials and heating bags can be used, and the heating materials can be replaced after repeated use.

When the device is used for heating, exposed parts such as the upper surface of the flexible sleeve, the water inlet and the like are not in direct contact with food all the time, and the lower surface of the flexible sleeve is in contact with the food or steam emitted by the food; when the food taking device is stored, the flexible sleeve is turned downwards, the upper surface of the flexible sleeve is in contact with the outside, and the lower surface of the flexible sleeve is in contact with each part of the food taking device needing to be immersed in food. Therefore, the heating device has difference between the inside and the outside all the time, and simultaneously ensures the cleanness and the sanitation when in use and furling, thereby leading the heating device to have the condition of being immersed in food for use.

And fourthly, the handle can be held by hand to operate during use, so that the hand cannot be directly contacted with the bottom box, and the hidden danger of scalding and pollution is reduced.

Fifthly, the flexible sleeve can be used as a cover of the container mouth, so that the loss of heat of the food in the heating process is reduced; meanwhile, by adjusting the relative depth position of the one-way valve and the bottom of the water tank, air chambers can be formed in the bottom tank by utilizing the action of air pressure, so that part of steam is reserved in the water tank for a longer time, and the heat energy utilization rate is further improved.

Drawings

Fig. 1 is a structural sectional view of embodiment 1 of the present invention;

FIG. 2 is a partial enlarged view of portion A in FIG. 1

Fig. 3 is a structural sectional view of the embodiment 1 of the present invention in a use state;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

fig. 5 is a perspective view of the handle and the flexible sleeve according to embodiment 1 of the present invention;

fig. 6 is a structural sectional view of the embodiment 1 of the present invention in the storage state;

wherein:

1-a water tank; 2-a bottom box; 3-a flexible sleeve; 4-a support frame; 11-a water inlet; 12-water tank sealing thread; 13-water tank sealing ring; 14-a one-way valve; 21-a mandril; 22-bottom case sealing thread; 31-a drawstring; 41-a handle;

5-water; 6-heat-generating material.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example 1

As shown in fig. 1, 2 and 5, a food heating apparatus using self-heating material comprises a water tank 1, a bottom case 2, a flexible cover 3, a support frame 4, wherein:

the top of the water tank 1 is provided with a water inlet 11; the bottom of the water tank 1 is provided with a one-way valve 14, the one-way valve 14 can only be opened from the outside to the inside of the bottom of the water tank 1, and when the pressure from the inside of the water tank 1 to the outside is applied, the sealing effect is achieved; the outer wall of the water tank 1 is provided with a water tank sealing thread 12, and the top of the thread 12 is provided with a water tank sealing ring 13;

the inner wall edge of the bottom box 2 is provided with bottom box sealing threads 22 correspondingly matched with the water tank sealing threads 12, and the bottom box 2 and the water tank 1 can be connected and sealed through the

threads

12 and 22; after the bottom box 2 is combined with the water tank 1, a cavity is formed in the part below the water tank 1, the bottom of the cavity is fixedly provided with a mandril 21, and when the bottom box 2 and the water tank 1 are connected into a whole, as shown in figure 2, the mandril 21 is over against the one-way valve 14 at the bottom of the water tank, the top of the mandril 21 is higher than the bottom valve core of the one-way valve 14, and the one-way valve 14 is opened;

a hollow round table-shaped flexible sleeve 3 is fixed around a water inlet 11 at the top of the water tank 1, the flexible sleeve 3 is made of a silica gel film, the top end of the flexible sleeve is a hollow round table with a larger radius, and a drawstring 31 passes through the top end of the flexible sleeve along the edge;

the outer wall of the bottom box 2 is hinged with two support frames 4; the support frame 4 is an antenna telescopic structure, and one end of the support frame is hinged with a semicircular annular handle 41.

When in use, the following operations are carried out:

separating the water tank 1 from the bottom tank 2, filling the water tank 1 with water through the water inlet 11, wherein the one-way valve 14 is in a closed state at the moment, and water cannot flow out;

putting the solid heating material 6 in bulk, bag or other packaging forms into the bottom case 2 through the top opening of the bottom case;

as shown in fig. 3 and 4, the user can hold the handle 41 with one hand and the top of the water tank 1 with the other hand, and the water tank 1 and the bottom tank 2 are screwed together and sealed by the

threads

12 and 22, and the water tank sealing ring 13 further ensures the sealing effect; at this time, the height of the push rod 21 exceeds the valve core position of the check valve 14, thereby pushing the check valve to be opened inwards, so that the water 5 in the water tank 1 naturally flows into the bottom tank 2 and contacts with the heat generating material 6 to start reaction and heat generation.

Then, the two support frames 4 are turned over to enable the circular arc-shaped handles 41 to be positioned above the water tank 1, and then the two circular arc-shaped handles 41 are turned over to be spliced into a cylindrical limiting sleeve 42, so that the lower half parts of the flexible sleeves 3 are gathered together and closed, and the contact area between the flexible sleeves 3 and food is reduced;

the whole heating device is placed into a container filled with food by holding the support frame 4, the bottom box 2 and the water tank 1 are immersed into the food, and the height of the support frame 4 is stretched according to the height of the container and the height of the contained beverage/foodstuff, so that the dipping depth is adjusted, and the top of the flexible sleeve 3 is always positioned above the beverage/foodstuff.

If the container mouth for containing food is an opening, the part of the flexible sleeve 3 above the limiting sleeve 41 can be further unfolded to cover the container mouth, so that the heat loss in the food container in the heating process is further reduced.

After the use, as shown in fig. 6, the supporting frame 4 can be turned to the bottom of the bottom case, the flexible sleeve 3 can be turned downwards to cover the surfaces of the bottom case 2 and the water tank 1, which are contacted with food, and then the drawstring 31 is pulled out to shrink and close the outlet of the flexible sleeve 3, so that the inner surface of the flexible sleeve 3 and the main structure of the device, which is contacted with food, are not directly contacted with the outside, and the carrying and storage are facilitated.

Claims

1. A food heating apparatus using a self-heating material, characterized in that: comprises a water tank, a bottom box, a starting element, a flexible sleeve and a support frame;

the bottom box is used for placing a reaction heat generating material;

the water tank is movably connected with the bottom box, and the water tank is sleeved in the bottom box; when the water tank is sleeved into the bottom tank, the bottom tank and the water tank are tightly combined, and the joint is sealed;

the flexible sleeve is made of a hollow round table-shaped flexible material and can be turned and deformed; one end of the flexible sleeve with the smaller radius of the hollow round table is fixedly connected to the periphery of a water inlet at the top of the water tank; the end with the larger radius is provided with a drawstring along the circumference, and the end with the larger radius of the flexible sleeve can be reduced and closed by pulling out the drawstring; the size of the flexible sleeve can completely cover and accommodate the main water tank structure, the bottom box and the support frame below the flexible sleeve.

2. A food heating apparatus using self-heating material according to claim 1, wherein: the outer wall of the water tank is provided with threads, and the inner wall of the bottom box is provided with threads correspondingly meshed with the outer wall of the water tank; through the screw thread, the water tank is rotatably sleeved into the bottom tank and the joint is sealed.

3. A food heating apparatus using self-heating material according to claim 1, wherein: the sealing ring is arranged on the outer wall of the water tank, and when the water tank is combined with the bottom box, the sealing ring is in close contact with the outer wall of the bottom box to seal the combination part of the water tank and the bottom box.

4. A food heating apparatus using self-heating material according to claim 1, wherein: the support frame is two or more, and the form of being connected with the under casing outer wall is articulated.

5. A food heating apparatus using self-heating material according to claim 1, wherein: every support frame one end articulates respectively has a handle, and when a plurality of handles were located water tank top or under casing below simultaneously, the stop device that forms the annular closed, closed up the latter half binding up of flexible cover.

6. A food heating apparatus using self-heating material according to claim 5, wherein: the length of the support frame exceeds the height of the combined water tank and the bottom box, and after the water tank is combined with the bottom box, the support frame and the handle can be turned upwards and downwards to enable the handle to be located above the water tank or below the bottom box.

7. The food heating apparatus using self-heating material as claimed in any one of claims 1 to 6, wherein the supporting frame is an antenna-type telescopic rod structure.

8. The food heating apparatus using self-heating material as claimed in any one of claims 1 to 6, wherein the flexible sheath is made of food grade silicone film.