Electric heating hand warming bag

By arranging heating cloth tubes and interlayers in the hand warmer, the electric heating hand warmer solves the problems of inconvenience in carrying and burns caused by traditional hand warmers, and provides easy-to-carry and all-round heating effects.

CN223336289UActive Publication Date: 2025-09-16覃春圆 +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422323871.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-09-16
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Traditional hot water bottles are inconvenient to carry and can easily cause burns. Electric hand warmers lose heat quickly and can easily cause burns, resulting in poor heating effects.

Method used

An electric heating hand warmer is designed, which includes a heating cloth tube and a heating interlayer in a cylindrical thermal cover, is provided with a first and a second heating element, and is equipped with a storage layer and a power supply interlayer, so as to be easy to carry and control heating.

Benefits of technology

It achieves easy-to-carry, low-energy and effective heating effect, avoids burns and provides a full range of warming experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223336289U_ABST
    Figure CN223336289U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of hand warming bags, in particular to an electric heating hand warming bag, which comprises a cylindrical warm-keeping sleeve with a warm-keeping space inside, and is characterized in that a first heating body and a second heating body are arranged in the warm-keeping sleeve; a heating cloth pipe with temperature locking cloth on the inner wall is arranged in the warm-keeping space, a heating interlayer is arranged in the warm-keeping sleeve, and the first heating body and the second heating body are installed respectively, so that the two hands of a user are inserted into the warm-keeping space for warm keeping; the heating cloth pipes can be held by the two hands of a user so that the palm and the back of the hand can be comprehensively heated and kept warm under the action of the first heating body and the second heating body, the temperature can be evenly distributed through the temperature locking cloth, and then comprehensive circulation heating is achieved; in addition, the second heating body in the heating interlayer can be tightly attached to the inner wall of the warm-keeping sleeve to warm the abdomen, the face or the knees and other positions of the user, the good heating and warm-keeping effect is achieved, and the use experience of the user can be effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of hand warmers, in particular to an electric heating hand warmer. Background Art

[0002] A hand warmer is a tool used by people to keep their hands or body warm in winter. Traditional hot water bags are usually water-filled hand warmers. After hot water is filled into the hand warmer, it is heated by contact with the skin. However, such hand warmers are inconvenient to carry and are prone to burns when actually used. In addition, it is easy to get burned when filling and removing hot water.

[0003] Therefore, an electric hand warmer has emerged in the prior art, which can heat the liquid in the bag through a heater, thereby preventing users from getting scalded due to frequent filling and unloading of hot water. However, during the heating process, the hand warmer is completely exposed to the outside, causing the heat to dissipate quickly, resulting in poor heating effect, and it is easy to get burned due to direct contact with the skin during use. Utility Model Content

[0004] In order to solve the problems in the above-mentioned background technology, the utility model provides an electric hand warmer, which has low energy consumption and is easy to carry, and has a good heating effect, and can avoid burns during use.

[0005] The solution adopted by the utility model to solve its technical problems is: an electric hand warmer, comprising a cylindrical thermal insulation cover with a thermal insulation space inside, hand insertion openings connected to the thermal insulation space are opened at both ends of the thermal insulation cover, a heating cloth tube with both ends connected to the hand insertion openings is provided in the thermal insulation space, a first heating element is installed in the heating cloth tube, and a temperature-locking cloth is provided on the inner wall of the heating cloth tube; the thermal insulation cover is a double-layer structure, a heating interlayer is provided between the outer wall and the inner wall of the thermal insulation cover, and a second heating element is provided in the heating interlayer.

[0006] Furthermore, a storage layer is provided on the outer wall of the thermal cover, and a power supply interlayer for storing a power supply or a power bank is provided in the storage layer. A connecting wire for connecting to a power supply or a power bank is provided in the power supply interlayer, and the connecting wire is electrically connected to the first heating element and the second heating element. A switch electrically connected to the first heating element, the second heating element and the connecting wire is provided on the surface of the thermal cover.

[0007] Furthermore, the first heating element and the second heating element are both pluggably electrically connected to the connecting wire, and the surface of the heating cloth tube and the inner wall of the thermal sleeve are provided with openings for disassembling and assembling the first heating element and the second heating element.

[0008] Furthermore, an installation bag is provided on the inner wall of the heating interlayer, and the second heating element is provided in the installation bag.

[0009] Furthermore, a closable opening communicating with the storage layer is provided on the surface of the thermal cover.

[0010] Furthermore, the first heating element is a heating wire or a heating sheet wound into a column, and the second heating element is a heating sheet in close contact with the inner wall of the thermal sleeve.

[0011] Furthermore, a tightening portion for improving the warmth retention effect is provided at the hand insertion opening.

[0012] Furthermore, the thermal cover is connected to an adjustable belt, and two ends of the adjustable belt are detachably connected to two ends of the thermal cover respectively.

[0013] In summary, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model provides a cylindrical thermal cover with a warming space inside, and arranges a first heating element and a second heating element inside the thermal cover, so that the user can insert his hands into the warming space and keep warm through the additional heat source provided by the first heating element and the second heating element. It is easy to carry and has a good warming effect, and can avoid the burns in the prior art.

[0015] 2. The utility model installs the first heating element by arranging a 360° heating cloth tube with a temperature-locking cloth in the warming space, and installs the second heating element by arranging a heating interlayer in the warming cover. When the user inserts both hands into the warming space for warming, the user can hold the heating cloth tube with both hands so that the palms and the backs of the hands are heated and kept warm in all directions under the action of the first heating element and the second heating element. At the same time, when the user uses it, the second heating element in the heating interlayer can also be tightly attached to the inner wall of the warming cover to warm the user's abdomen, face or knees and other parts of the body. It has a good heating and warming effect and can effectively improve the user's experience.

[0016] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In addition, in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of this embodiment;

[0018] Figure 2 is a cross-sectional view of this embodiment;

[0019] Figure 3 Schematic diagram of the structure inside the storage layer of this embodiment.

[0020] In the figure: 1. Thermal cover; 11. Thermal space; 12. Hand insertion opening; 13. Heating interlayer; 14. Storage layer; 15. Power supply interlayer; 16. Installation bag; 17. Closable opening; 2. Heating fabric tube; 3. First heating element; 4. Second heating element; 5. Connecting wire; 6. Switch; 7. Opening and closing mouth; 8. Tightening part; 9. Adjustable belt. DETAILED DESCRIPTION

[0021] In order to make the content of the present invention more clearly understood, the present invention will be further described below based on specific embodiments in conjunction with the accompanying drawings.

[0022] It should be noted that the terms "center," "upper," "lower," "front," "back," "left," "right," "inner," and "outer" used herein to indicate positions or locations are based on the positions or locations shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Unless otherwise specified, "plurality" means two or more.

[0023] Unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly. For example, they can refer to fixed, removable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0024] like Figures 1 to 3 As shown, an electric hand warmer is provided, into which hands can be inserted for warmth. It is easy to carry and can be equipped with a heating plate or heating wire to provide an additional heat source for heating. This provides good warmth, avoids burns, and has low energy consumption. The electric hand warmer of this embodiment includes a tubular warming cover 1, wherein the warming cover 1 has a warming space 11 defined therein. Both ends of the warming cover 1 are provided with hand insertion openings 12 connected to the warming space 11. The user's hands can be inserted into the warming space 11 through the hand insertion openings 12 on either side for warmth. This provides good warmth and is easy to carry.

[0025] In order to achieve rapid heating, a heating cloth tube 2 is provided in the warming space 11 in this embodiment. The two ends of the heating cloth tube 2 are respectively connected to the hand insertion openings 12 at both ends of the thermal cover 1, and a first heating element 3 is installed inside. When the user's hands are inserted into the warming space 11 through the hand insertion openings 12 for heating, the first heating element 3 can quickly heat the warming space 11, thereby allowing the user to warm up in time; at the same time, when the user uses it, the hands inserted into the warming space 11 can also hold the heating cloth tube 2, thereby obtaining a better and more comprehensive heating effect; and, a temperature-locking cloth is also provided on the inner wall of the heating cloth tube 2 of this embodiment, which can evenly distribute the heat of the first heating element 3 to the surface of the heating cloth tube 2, thereby realizing 360° uniform circulation heating of the heating cloth tube 2 in all directions, thereby improving the user's usage experience and improving the heating effect.

[0026] Further, such as Figure 2 As shown, the thermal cover 1 of this embodiment is also configured as a double-layer structure, so that a heating interlayer 13 can be formed between the inner wall and the outer wall of the thermal cover 1. By arranging a second heating element 4 in the heating interlayer 13, and making the second heating element 4 close to the surface of the inner wall of the thermal cover 1 close to the heating interlayer 13, the warming space 11 inside the thermal cover 1 can also be heated by the second heating element 4, further improving the warming effect of this embodiment. At the same time, when the user grasps the heating cloth tube 2 for heating, the second heating element 4 can heat the back of the user's hand, thereby realizing the user's need for quick heating; in addition, in other embodiments, the second heating element 4 can also be close to the side wall of the heating interlayer 13 close to the outer layer of the thermal cover 1, so that the user can also warm other parts such as the abdomen, face or knees by close to the outer surface of the heating cover 1, which has a good heating and warming effect and can effectively improve the user's experience.

[0027] like Figure 2 As shown, the first heating element 3 and the second heating element 4 can be heating sheets or heating wires, wherein the first heating element 3 and the second heating element 4 of this embodiment are both flexible heating sheets, and the first heating element 3 is wound into a columnar structure and arranged in the heating cloth tube 2; a mounting bag 16 is provided on the inner wall of the heating interlayer 13, and the second heating element 4 is arranged in a sheet shape and installed in the mounting bag 16 so as to be close to the inner wall of the thermal cover 1, so that after the first heating element 3 and the second heating element 4 are energized, the two flexible heating sheets can generate heat to heat the thermal space 11, and the second heating element 4 can also heat the outer surface of the thermal cover 1, so that the user can quickly warm up.

[0028] like Figure 2 and Figure 3As shown, the outer wall of the thermal cover 1 of this embodiment is provided with a storage layer 14, and a closable opening 17 is provided on the surface of the thermal cover 1, which is connected to the storage layer 14. The user can open or close the storage layer 14 through the closable opening to place or remove items, thereby enriching the functions of the hand warmer of this embodiment. The closable opening 17 can be connected by buttons, snap fasteners, or zippers. In this embodiment, it is connected by a zipper, making opening and closing more convenient.

[0029] Furthermore, a power supply interlayer 15 is provided in the storage layer 14 of the present embodiment. The power supply interlayer 15 can store power supplies such as batteries or power banks, so that the user can power and heat the first heating element 3 and the second heating element 4 through a portable power supply, which makes it convenient for the user to carry and use the hand warmer bag of the present embodiment when going out. In addition, a connecting line 5 for connecting the first heating element 3 and the second heating element 4 to the power supply is provided in the power supply interlayer 15 of the present embodiment, wherein one end of the connecting line 5 located in the power supply interlayer 15 is provided with a plug connector, and the other end of the connecting line 5 passes through the power supply interlayer 15 and is connected to the first heating element 3 and the second heating element 4, so that after the connecting line 5 is connected to the power supply through the plug connector, the first heating element 3 and the second heating element 4 can be powered on to generate heat, thereby quickly heating the warming space 11 and thus meeting the user's need for quick heating.

[0030] The surface of the thermal cover 1 of this embodiment is also provided with a switch 6 for controlling the first heating element 3 and the second heating element 4, wherein the switch 6 can be adhered or sewn to the surface of the thermal cover 1. The switch 6 of this embodiment is connected to the first heating element 3, the second heating element 4 and the connecting line 5, and is provided between the two heating elements and the power supply through the connecting line 5, so that the user can control the on and off of the circuit through the switch 6 to achieve control of the first heating element 3 and the second heating element 4. The switch 6 in this embodiment is of a button type, which is easy to operate and has good protection performance. In other embodiments, the switch 6 can also be of a button type, a toggle type or other forms of on-off structure, which is not limited here.

[0031] In order to facilitate the cleaning of the thermal cover 1 body, the first heating element 3 and the second heating element 4 of this embodiment can be disassembled, so that the user can clean the thermal cover 1 and avoid water damage to the first heating element 3 and the second heating element 4. Among them, the connection between the first heating element 3 and the second heating element 4 and the connecting wire 5 of this embodiment is a pluggable connection. Specifically, the first section of the connecting wire 5 connected to the first heating element 3 and the second heating element 4 is provided with a connecting female socket, and the cables on the first heating element 3 and the second heating element 4 are provided with a connecting male head, so that the user can achieve the electrical connection between the first heating element 3 and the second heating element 4 and the connecting wire 5 by plugging the connecting male head into the connecting female socket.

[0032] In addition, in order to disassemble and assemble the first heating element 3 and the second heating element 4, an opening and closing opening 7 is provided on the surface of the heating cloth tube 2 and the inner wall of the thermal cover 1 of this embodiment. The first heating element 3 and the second heating element 4 can be installed or disassembled from the opening and closing opening 7 at their respective installation positions, thereby achieving the cleaning of the thermal cover 1.

[0033] like Figure 1 and Figure 3 As shown, tightening parts 8 are provided at the hand insertion openings 12 at both ends of the thermal cover 1 of this embodiment. The tightening parts 8 are elastic structures, and the opening diameter of the tightening parts 8 is smaller than the diameter of the hand insertion openings 12. Therefore, when the user's hands are inserted into the thermal insulation space 11 through the hand insertion openings 12 for warming, the tightening parts 8 can be clamped on the user's arms, thereby sealing the gap space, preventing cold air from entering from the gap or internal warm air from flowing out from the gap, thereby effectively improving the thermal insulation performance of this embodiment.

[0034] In addition, to reduce the burden on the user's arms when using the hand warmer and improve the portability of this embodiment, this embodiment also provides adjustable straps 9 at both ends of the thermal cover 1, allowing the user to hang the adjustable straps 9 on the shoulder, neck, or waist to mount the hand warmer of this embodiment, thereby reducing the burden on the hands and making it easier to carry and use when going out. Moreover, the adjustable straps 9 can also be removed when not in use. Specifically, the thermal cover 1 of this embodiment is provided with female connecting buckles at both ends, and male connecting buckles at both ends of the adjustable strap 9. The user can install the adjustable strap 9 by inserting the male connecting buckles into the female connecting buckles. The adjustable strap 9 is also easy to remove, making it easy for the user to install or remove it according to actual conditions.

[0035] In summary, the working principle of this embodiment is as follows: this embodiment provides a cylindrical thermal insulation cover 1 with a warming space 11 inside, and provides a first heating element 3 and a second heating element 4 in the thermal insulation cover 1, so that the user can insert both hands into the warming space 11 and keep warm through the first heating element 3 and the second heating element 4 providing additional heat sources, which is convenient to carry and use while having a good warming effect, and can avoid the burns in the prior art; and, this embodiment installs the first heating element 3 by providing a heating cloth tube 2 in the warming space 11, and provides a heat-locking cloth on the inner wall of the heating cloth tube 2, and provides a heating interlayer 13 in the thermal insulation cover 1 to install the second heating element 4, so that the user can hold the heating cloth tube 2 with both hands and thus heat and keep warm in all aspects of the palms and backs of the hands under the action of the first heating element 3 and the second heating element 4. At the same time, when the user uses it, the second heating element 4 in the heating interlayer 13 can also be close to the inner wall of the thermal insulation cover 1 to warm the user's abdomen, face or knees and other parts, which has a good heating and warming effect and can effectively improve the user experience.

[0036] The embodiments described above are only preferred implementation methods of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and modifications made by technicians in this field on the basis of the utility model shall fall within the scope of protection of the present invention.

Claims

1. An electric hand warmer, characterized in that: The invention comprises a cylindrical thermal insulation cover (1) with a thermal insulation space (11) provided therein, wherein both ends of the thermal insulation cover (1) are provided with hand insertion openings (12) connected to the thermal insulation space (11), a heating cloth tube (2) is provided in the thermal insulation space (11) with both ends connected to the hand insertion openings (12), a first heating element (3) is installed in the heating cloth tube (2), and a temperature-locking cloth is provided on the inner wall of the heating cloth tube (2); the thermal insulation cover (1) is a double-layer structure, a heating interlayer (13) is provided between the outer wall and the inner wall of the thermal insulation cover (1), and a second heating element (4) is provided in the heating interlayer (13).

2. The electric hand warmer according to claim 1, characterized in that: The outer wall of the thermal insulation cover (1) is provided with a storage layer (14), the storage layer (14) is provided with a power supply interlayer (15) for storing a power supply or a power bank, the power supply interlayer (15) is provided with a connecting wire (5) for connecting to the power supply or the power bank, the connecting wire (5) is electrically connected to the first heating element (3) and the second heating element (4), and the surface of the thermal insulation cover (1) is provided with a switch (6) electrically connected to the first heating element (3), the second heating element (4) and the connecting wire (5).

3. The electric hand warmer according to claim 2, characterized in that: The first heating element (3) and the second heating element (4) are both electrically connected to the connecting wire (5) in a pluggable manner, and openings (7) for disassembling and assembling the first heating element (3) and the second heating element (4) are provided on the surface of the heating cloth tube (2) and the inner wall of the thermal insulation cover (1).

4. The electric hand warmer according to claim 3, characterized in that: An installation bag (16) is provided on the inner wall of the heating interlayer (13), and the second heating element (4) is arranged in the installation bag (16).

5. The electric hand warmer according to claim 2, characterized in that: The surface of the thermal insulation cover (1) is provided with a closable opening (17) communicating with the storage layer (14).

6. The electric hand warmer according to claim 1, characterized in that: The first heating element (3) is a heating wire or a heating sheet wound into a column, and the second heating element (4) is a heating sheet in close contact with the inner wall of the thermal sleeve (1).

7. The electric hand warmer according to claim 1, characterized in that: The hand insertion opening (12) is provided with a tightening portion (8) for improving the warmth retention effect.

8. The electric hand warmer according to claim 1, characterized in that: The thermal cover (1) is connected to an adjustable belt (9), and the two ends of the adjustable belt (9) are detachably connected to the two ends of the thermal cover (1).