Passive heat preservation bag

By introducing a detachable water bag assembly and magnetic connection into the thermal pack, combined with a flexible vacuum insulation panel and an aluminum foil reflective layer, the problem of poor insulation performance of existing thermal packs has been solved, achieving better heat storage or cold storage effects.

CN224104665UActive Publication Date: 2026-04-10QUANZHOU CAMELOT LUGGAGE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QUANZHOU CAMELOT LUGGAGE CO LTD
Filing Date
2025-04-10
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing thermal packs lack detachable heating and cooling water bags, resulting in poor insulation performance.

Method used

A passive heat preservation bag was designed, which includes a detachable water bag assembly containing a cold water bag and a hot water bag. The bags are fixed by magnetic connection and combined with a flexible vacuum insulation plate and an aluminum foil reflective layer to achieve heat preservation or cold preservation functions.

Benefits of technology

This improves the insulation effect of the thermal pack, enabling it to be better used for hot or cold storage, and enhances its insulation performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224104665U_ABST
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Abstract

The passive heat preservation bag comprises a heat preservation bag assembly, a lining assembly, an inner container assembly and a water bag assembly, the heat preservation bag assembly is fixedly connected with the front end and the rear end of the lining assembly, the interior of the heat preservation bag assembly is fixedly connected with the inner container assembly, and the lower end of the heat preservation bag assembly is fixedly connected with the water bag assembly. The heat preservation bag assembly is characterized by further comprising an anti-scratching outer layer, and the upper end of the anti-scratching outer layer is fixedly connected with the hook-and-loop fastener rough surface; the wear-resistant bottom layer is fixedly connected to the lower end of the anti-scratch outer layer; the handle belts are fixedly connected to the left end and the right end of the anti-scratching outer layer; the hook-and-loop fastener hairy surface is connected with the hook-and-loop fastener hook surface in a hooked mode; the detachable heating and cooling water bag is arranged to carry out hot storage or cold storage on articles placed in the heat preservation bag, so that the detachable heating and cooling water bag can carry out hot storage or cold storage on the articles placed in the heat preservation bag, and the heat preservation effect is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat preservation, and specifically relates to a passive heat preservation bag. BACKGROUND

[0002] The bag can be used for outdoor picnic or daily life, is used for containing various food and keeping the temperature and freshness of the food, belongs to one kind of outdoor luggage, heat preservation and cold preservation are the most basic functions of the heat preservation bag, and the heat preservation bag is a special luggage with short-time heat preservation effect, can keep cold / heat, the heat preservation layer of the product is pearl wool + aluminum foil tin paper, can provide good heat insulation effect, the international sealing determination standard is to test the moisture permeability, and the moisture permeability of high-quality heat preservation bags is 200 times lower than that of similar products, so that the freshness of things can be kept for a longer time.

[0003] For example, the heat preservation bag (authorized announcement number CN212149896U) at least includes a heat preservation bag body, an upper part of the heat preservation bag body is open, has a containing cavity for placing objects, a heat preservation barrel for placing objects and being detachably placed in the containing cavity of the heat preservation bag body, and a heat preservation bag cover for closing the upper part.

[0004] The length of the groove is less than the length of the heat preservation barrel, so that the upper edge of the heat preservation barrel can be closely combined with the heat preservation bag body, and the heat preservation effect is improved, and the device does not have a detachable heating and cooling water bag for heat storage or cold storage of the objects placed in the heat preservation bag, so that the heat preservation effect is poor. Utility model content

[0005] Therefore, in order to solve the above problems, the utility model provides a passive heat preservation bag.

[0006] The utility model is such a realization, construct a kind of passive heat preservation bag, the device includes heat preservation bag assembly, inner lining assembly, inner container assembly, water bag assembly, the heat preservation bag assembly is fixedly connected with inner lining assembly front and rear ends, the heat preservation bag assembly inside is fixedly connected with inner container assembly, the lower end of the heat preservation bag assembly is fixedly connected with water bag assembly, it is characterized by: the heat preservation bag assembly further includes: scratchproof outer layer, the upper end of the scratchproof outer layer is fixedly connected with velcro hair surface;Wear-resistant bottom layer, the wear-resistant bottom layer is fixedly connected to the lower end of scratchproof outer layer;Handle band, the handle band is fixedly connected to the left and right ends of scratchproof outer layer;Velcro hair surface, the velcro hair surface is hooked with velcro hook face;Upper cover, the rear end of the upper cover is rotatably connected with the upper end of scratchproof outer layer;Velcro hook face, the velcro hook face is fixedly connected to the front end of upper cover.

[0007] Preferably, the inner liner assembly comprises: an outer layer of aluminum film fixedly connected to the inner side of the scratch-proof outer layer; an oxford cloth with the upper end of the outer layer of aluminum film fixedly connected to the lower end; thermal cotton with the upper end fixedly connected to the lower end of the oxford cloth; a pull-resistant band with the upper end fixedly connected to the lower end of the thermal cotton; pearl cotton with the upper end fixedly connected to the lower end of the pull-resistant band; an aluminum foil reflective layer with the upper end fixedly connected to the pearl cotton and the lower end fixedly connected to the outer side of the scratch-proof inner layer.

[0008] Preferably, the inner liner assembly comprises: an outer side inner liner with the lower end fixedly connected to the scratch-proof outer layer; an inner side inner liner with the lower end fixedly connected to the outer side inner liner; a stretchable band fixedly connected to the upper end of the inner side inner liner; a flexible vacuum insulation plate with the left and right ends fixedly connected to the outer side inner liner and the inner side inner liner; a magnetic positive electrode fixedly connected to the upper end of the outer side inner liner; a magnetic negative electrode magnetically connected to the magnetic positive electrode and fixedly connected to the upper end of the inner side inner liner; and a placing groove arranged in the inner side inner liner.

[0009] Preferably, the water bag assembly comprises: an inner liner drain pipe with the front end penetrating through the scratch-proof outer layer, the outer side inner liner and the inner side inner liner and arranged in the placing groove; a water bag drain pipe with the front end penetrating through the scratch-proof outer layer and arranged between the outer side inner liner and the inner side inner liner, the rear end slidably fixedly connected to the inner liner drain pipe; a check valve fixedly connected to the tail end of the water bag drain pipe; a cold water bag arranged between the left end of the outer side inner liner and the inner side inner liner; a hot water bag arranged between the right end of the outer side inner liner and the inner side inner liner; and a waterproof cover fixedly connected to the upper ends of the cold water bag and the hot water bag.

[0010] Preferably, the hook surface and the loop surface of the hook-and-loop fastener are each provided with three groups.

[0011] Preferably, the magnetic positive electrode and the magnetic negative electrode are each provided with six groups.

[0012] Preferably, the waterproof cover is provided with two groups.

[0013] The utility model has the following advantages:

[0014] The passive thermal insulation bag provided by the utility model is detachable, and the heating and cooling water bag can heat or cool the objects placed in the passive thermal insulation bag, so that the passive thermal insulation bag has good thermal insulation effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0016] Fig. 2 This is a schematic diagram of the thermal insulation bag component structure of this utility model;

[0017] Fig. 3 This is a schematic diagram of the inner lining component structure of this utility model;

[0018] Fig. 4 This is a schematic diagram of the inner liner component structure of this utility model;

[0019] Fig. 5 This is a schematic diagram of the water bag assembly structure of this utility model.

[0020] The components include: Insulated bag assembly-1, scratch-resistant outer layer-11, wear-resistant bottom layer-12, handle strap-13, hook and loop fastener surface-14, top cover-15, hook and loop fastener hook surface-16, inner lining assembly-2, outer aluminum film-21, Oxford cloth-22, insulation cotton-23, anti-pull strap-24, pearl cotton-25, aluminum foil reflective layer-26, inner liner assembly-3, outer inner liner-31, inner inner liner-32, stretch strap-33, flexible vacuum insulation board-34, magnetic positive pole-35, magnetic negative pole-36, placement slot-37, water bag assembly-4, inner liner drain pipe-41, water bag drain pipe-42, check valve-43, cold water bag-44, hot water bag-45, waterproof cover-46. Detailed Implementation

[0021] The following is in conjunction with the appendix Figs. 1-5 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0022] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, 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 application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items.

[0024] Embodiment one:

[0025] Please refer to Figs. 1-5 The utility model discloses a passive heat preservation bag, including heat preservation bag subassembly 1, inner lining subassembly 2, inner bag subassembly 3, water bag subassembly 4, heat preservation bag subassembly 1 with inner lining subassembly 2 front and rear both ends fixed connection, heat preservation bag subassembly 1 inside with inner bag subassembly 3 fixed connection, heat preservation bag subassembly 1 lower extreme with water bag subassembly 4 fixed connection, its characterized in that: heat preservation bag subassembly 1 still includes, prevent scratch outer layer 11 upper end with velcro band face 14 fixed connection, wear -resisting bottom layer 12 fixed connection in prevent scratch outer layer 11 lower extreme, handle belt 13 fixed connection in prevent scratch outer layer 11 left and right two ends, velcro band face 14 with velcro band hook face 16 hook connection, after velcro band face 14 and velcro band hook face 16 hook together can let upper cover 15 stably cover tightly in prevent scratch outer layer 11 upper end, upper cover 15 rear end with prevent scratch outer layer 11 upper end rotation connection, velcro band hook face 16 fixed connection in upper cover 15 front end, velcro band face 14 and velcro band hook face 16 all are equipped with three groups;

[0026] Inner lining subassembly 2, outer layer aluminum film 21 fixed connection in prevent scratch outer layer 11 outer wall inner side, oxford cloth 22 upper end outer layer aluminum film 21 lower extreme fixed connection, heat preservation cotton 23 upper end with oxford cloth 22 lower extreme fixed connection, prevent pulling belt 24 upper end with heat preservation cotton 23 lower extreme fixed connection, pearl wool 25 upper end with prevent pulling belt 24 lower extreme fixed connection, aluminum foil light reflecting layer 26 upper end with pearl wool 25 fixed connection, through the setting of aluminum foil light reflecting layer 26, the high reflectivity of aluminum foil reduces heat radiation loss, and meets food contact safety standards at the same time, aluminum foil light reflecting layer 26 lower extreme with prevent scratch outer layer 11 inner wall outer side fixed connection.

[0027] The utility model provides a passive heat preservation bag through improvement, and its working principle is as follows:

[0028] First, when using the device, first place the device in the working area, then connect the device with the external power supply, which can provide the required power for the device to work.

[0029] Second, when the device is needed, the handle belt 13 and its upper assembly can be moved to the designated position by pulling the handle belt 13, then the items that need to be kept warm are placed in the placing groove 37, and then the upper cover 15 is pulled back to rotate and connect the hook surface 16 and the nap surface 14 together. After the hook surface 14 and the hook surface 16 are connected together, the upper cover 15 can be stably covered on the upper end of the scratch-proof outer layer 11 to prevent the items from falling off. The setting of the heat preservation cotton 23 slows down the heat transfer due to its low thermal conductivity, prolongs the constant temperature, and reduces the heat radiation loss due to the high reflectivity of the aluminum foil. At the same time, it meets the food contact safety standards, and has wear-resistant and waterproof properties due to the setting of the wear-resistant bottom layer 12 and the oxford cloth 22, and increases the bottom anti-skid to improve the durability.

[0030] Embodiment two:

[0031] Please refer to Figs. 1-5 Compared with embodiment one, the passive heat preservation bag of the utility model further comprises: an inner container assembly 3, the lower end of an outer inner container 31 is fixedly connected with the scratch-proof outer layer 11, the lower end of an inner inner container 32 is fixedly connected in the outer inner container 31, a stretching belt 33 is fixedly connected with the upper end of the inner inner container 32, flexible vacuum heat insulation plates 34 are fixedly connected with the left and right ends of the outer inner container 31 and the inner inner container 32, a magnetic positive pole 35 is fixedly connected with the upper end of the outer inner container 31, a magnetic negative pole 36 is magnetically connected with the magnetic positive pole 35, and the magnetic negative pole 36 is fixedly connected with the upper end of the inner inner container 32. The placing groove 37 is arranged in the inner inner container 32, and the magnetic positive pole 35 and the magnetic negative pole 36 are each provided with six groups.

[0032] The water bag assembly 4 comprises: an inner container drain pipe 41, the front end of the inner container drain pipe 41 passes through the scratch-proof outer layer 11, the outer inner container 31 and the inner inner container 32 and is arranged in the placing groove 37, the water in the placing groove 37 can be discharged through the setting of the inner container drain pipe 41, a water bag drain pipe 42, the front end of the water bag drain pipe 42 passes through the scratch-proof outer layer 11 and is arranged between the outer inner container 31 and the inner inner container 32, the water between the outer inner container 31 and the inner inner container 32 can be discharged through the setting of the water bag drain pipe 42, the rear end of the water bag drain pipe 42 is slidably fixedly connected with the inner container drain pipe 41, a check valve 43 is fixedly connected with the tail end of the water bag drain pipe 42, a cold water bag 44 is arranged between the left end of the outer inner container 31 and the inner inner container 32, a hot water bag 45 is arranged between the right end of the outer inner container 31 and the inner inner container 32, a waterproof cover 46 is fixedly connected with the upper end of the cold water bag 44 and the hot water bag 45, and the waterproof cover 46 is provided with two groups.

[0033] In the embodiment:

[0034] First, when the article needs to be heat or cold storage, the waterproof cover 46 can be opened by rotating, then cold water is injected into the cold water bag 44 or hot water is injected into the hot water bag 45, and then the cold water bag 44 or the hot water bag 45 is placed between the outer inner container 31 and the inner inner container 32 to cool or heat the article for heat or cold storage, the magnetic positive pole 35 is pushed to make the magnetic positive pole 35 and the magnetic negative pole 36 magnetically connected together to prevent the cold water bag 44 and the hot water bag 45 from falling off, the flexible vacuum heat insulation plate 34 is arranged, when the cold water bag 44 is placed at the right end of the inner inner container 32 and the hot water bag 45 is placed at the left end of the inner inner container 32, the temperature transmission of both sides can be prevented to realize one side cold storage and one side heat storage, when there is water in the placing groove 37, the water in the placing groove 37 can be discharged through the inner container drain pipe 41, when the water bag between the outer inner container 31 and the inner inner container 32 is broken to cause water leakage, the water can be discharged through the water bag drain pipe 42, and the check valve 43 is arranged to prevent external water from entering the device.

[0035] The utility model discloses an improve and provide a kind of passive heat preservation bag, by being arranged with the water bag assembly 4 of heating cooling water bag that can be disassembled, the article in heat preservation bag is cold or hot stored by water bag, so that the device can be disassembled heating cooling water bag is cold or hot stored to the article in heat preservation bag, so that the heat preservation effect is better.

[0036] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt rivet, welding and other conventional means in the prior art, and the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A passive thermal insulation bag, comprising a thermal insulation bag assembly (1), a lining assembly (2), an inner container assembly (3), a water bag assembly (4), the thermal insulation bag assembly (1) is fixedly connected with the lining assembly (2) at the front and rear ends, the thermal insulation bag assembly (1) is fixedly connected with the inner container assembly (3) inside, and the lower end of the thermal insulation bag assembly (1) is fixedly connected with the water bag assembly (4), characterized in that: The heat preservation bag assembly (1) further comprises: Scratch-resistant outer layer (11), the upper end of the scratch-resistant outer layer (11) is fixedly connected with the hook surface of the hook-and-loop tape (14); Wear-resistant bottom layer (12), the wear-resistant bottom layer (12) is fixedly connected to the lower end of the scratch-resistant outer layer (11); Handle belt (13), the handle belt (13) is fixedly connected to the left and right ends of the scratch-resistant outer layer (11); The hook surface of the hook-and-loop tape (14) is connected with the hook surface of the hook-and-loop tape (16); Upper cover (15), the rear end of the upper cover (15) is rotatably connected with the upper end of the scratch-resistant outer layer (11); The hook surface of the hook-and-loop tape (16) is fixedly connected to the front end of the upper cover (15).

2. The passive thermal pack of claim 1, wherein: The inner lining assembly (2) comprises: Outer aluminum film (21), the outer aluminum film (21) is fixedly connected to the inner side of the outer wall of the scratch-resistant outer layer (11); Oxford cloth (22), the upper end of the Oxford cloth (22) is fixedly connected with the lower end of the outer aluminum film (21); Thermal insulation cotton (23), the upper end of the thermal insulation cotton (23) is fixedly connected with the lower end of the Oxford cloth (22); Anti-pulling belt (24), the upper end of the anti-pulling belt (24) is fixedly connected with the lower end of the thermal insulation cotton (23); Pearl cotton (25), the upper end of the pearl cotton (25) is fixedly connected with the lower end of the anti-pulling belt (24); Aluminum foil reflective layer (26), the upper end of the aluminum foil reflective layer (26) is fixedly connected with the pearl cotton (25), and the lower end of the aluminum foil reflective layer (26) is fixedly connected with the outer side of the inner wall of the scratch-resistant outer layer (11).

3. The passive thermal pack of claim 1, wherein: The inner container assembly (3) comprises: Outer inner container (31), the lower end of the outer inner container (31) is fixedly connected with the scratch-resistant outer layer (11); Inner inner container (32), the lower end of the inner inner container (32) is fixedly connected with the inner side of the outer inner container (31); Stretching belt (33), the stretching belt (33) is fixedly connected to the upper end of the inner inner container (32); Flexible vacuum insulation board (34), the left and right ends of the flexible vacuum insulation board (34) are fixedly connected with the outer inner container (31) and the inner inner container (32); Magnetic positive electrode (35), the magnetic positive electrode (35) is fixedly connected to the upper end of the outer inner container (31); Magnetic negative electrode (36), the magnetic negative electrode (36) is magnetically connected with the magnetic positive electrode (35), and the magnetic negative electrode (36) is fixedly connected to the upper end of the inner inner container (32); Placement groove (37), the placement groove (37) is arranged in the inner inner container (32).

4. The passive thermal pack of claim 1, wherein: The water bag assembly (4) comprises: Inner container drain pipe (41), the front end of the inner container drain pipe (41) penetrates through the scratch-resistant outer layer (11), the outer inner container (31) and the inner inner container (32) and is arranged in the placement groove (37); Water bag drain pipe (42), the front end of the water bag drain pipe (42) penetrates through the scratch-resistant outer layer (11) and is arranged between the outer inner container (31) and the inner inner container (32), and the rear end of the water bag drain pipe (42) is slidably fixedly connected with the inner container drain pipe (41); Check valve (43), the check valve (43) is fixedly connected to the tail end of the water bag drain pipe (42); Cold water bag (44), the cold water bag (44) is arranged between the left end of the outer inner container (31) and the inner inner container (32); A hot water bag (45) is arranged between the outer inner container (31) and the inner inner container (32) right end; A waterproof cover (46) is fixedly connected to the upper end of the cold water bag (44) and the hot water bag (45).

5. The passive thermal pack of claim 1, wherein: The hook surface (16) and the loop surface (14) are each provided with three groups.

6. The passive thermal pack of claim 3, wherein: The magnetic positive electrode (35) and the magnetic negative electrode (36) are each provided with six groups.

7. The passive thermal pack of claim 4, wherein: The waterproof cover (46) is provided with two groups.

Citation Information

Patent Citations

  • Heat preservation bag

    CN212149896U