Heating structure of hot-water bag

By combining the support body, protective frame, and coupler body, the electric hot water bag achieves simplified installation and safe heating, solving the problems of cumbersome installation and insufficient safety in the existing technology, and improving production efficiency and safety.

CN223928469UActive Publication Date: 2026-02-17CIXI RONGSHANG ELECTRIC CO LTD
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Patent Information

Application Number
CN202520321714.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-02-17
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

The existing electric hot water bag installation process is cumbersome, which increases processing time and makes it difficult to guarantee safety.

Method used

The device employs a combined structure of a support body, a protective frame, and a coupler body. The heating element and the coupler body are integrated through the connecting cavity and perforations on the protective frame, and a thermostat is installed on the support body to prevent dry burning.

Benefits of technology

The installation process is simplified, production efficiency is improved, and safety is ensured by the thermostat, preventing the heating element from directly contacting the inner wall of the hot water bag and avoiding the normal operation of the thermostat due to external pressure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot-water bag heating structure which comprises a supporting body, an electric heating tube, a protection frame and a coupler body. The supporting body is provided with at least one first installation part used for assembling the electric heating tube, and the protection frame is provided with a second installation part used for installing the supporting body so as to support the supporting body and / or the electric heating tube to prevent the supporting body and the electric heating tube from making contact with the inner wall of the hot-water bag. The protection frame is provided with a third installation part used for being connected with the coupler body, so that the electric heating tube is connected with the coupler body, and the electric heating tube and the coupler body are integrated. The supporting body and the electric heating tube which are formed by aluminum die casting can be assembled, installation procedures can be simplified, the coupler body and the electric heating tube are integrated through the protection frame, heating structures in a bag can be integrated, and production and installation are facilitated.
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Description

Technical Field

[0001] This utility model belongs to the technical field of heating structure inside hot water bags, and specifically relates to a heating structure for hot water bags. Background Technology

[0002] Electric hot water bags are common household items used in daily life. In cold weather, people often use them to keep warm conveniently. Electric hot water bags usually consist of a closed outer body with electrodes inside to heat the heat storage medium. Since electrodes are used to heat the heat storage medium, in order to increase safety, a hot water bag with a bracket that can separate the heating element from the bag body has been proposed. However, the installation of such hot water bags is relatively complicated, which increases the processing time. Therefore, it is very important to obtain a hot water bag heating structure that overcomes the above-mentioned defects. Utility Model Content

[0003] To solve at least one of the above-mentioned technical problems, this utility model provides a hot water bag heating structure, including a support body, an electric heating tube, a protective frame, and a coupler body;

[0004] The support body is provided with at least one first mounting part for assembling the electric heating tube, and the protective frame is provided with a second mounting part for mounting the support body, so as to support the support body and / or the electric heating tube to prevent the support body and the electric heating tube from contacting the inner wall of the hot water bag.

[0005] The protective frame is provided with a third mounting part for connecting the coupler body, so that the heating tube is connected to the coupler body and the heating tube and the coupler body are integrated.

[0006] The protective frame has a connecting cavity, and the third mounting part is disposed in the connecting cavity. The heating element is connected to the coupler body through the connecting cavity to form an integral unit. The protective frame has a through hole for the heating element to pass through, and the through hole is disposed within the range of the connecting cavity so that the heating element is electrically connected to the coupler body within the connecting cavity.

[0007] As a preferred embodiment, the protective frame is provided with an extension rod, and the support body has a cavity. The extension rod extends into the cavity, and a thermostat is provided in the cavity. The thermostat at the aluminum die-cast body cuts off the power to prevent dry burning when the electric heating tube transfers heat.

[0008] As a preferred embodiment, the support body has an axially recessed opening to form a chamber, the connecting cavity of the protective frame is configured to fit the chamber, and an extension rod is integrally formed on the side wall of the protective frame on one side of the connecting cavity, the end of the extension rod extends into the chamber, and the temperature controller is at least partially located in the chamber.

[0009] Through the above technical solution, the chamber design better protects the temperature controller, preventing the temperature controller from being deformed by external pressure, which would affect the normal operation of the temperature controller.

[0010] As a preferred embodiment, the support body is made of die-cast aluminum; the support body is provided with a heat dissipation section, such as heat dissipation fins.

[0011] The first mounting part includes a first mounting groove for assembling the heating element; wherein, the two side walls of the first mounting groove can abut the heating element inward so that the heating element is stably installed in the first mounting groove.

[0012] The second mounting part includes a second mounting groove for mounting the support body.

[0013] As a preferred embodiment, the protective frame is provided with a limiting part for limiting the support body and / or the heating element.

[0014] The limiting part includes a first limiting part, which can be an arc-shaped groove to limit the heating tube; the limiting part includes a second limiting part, which can be a limiting wall on at least one side of the arc-shaped groove to limit the support body; the limiting part includes a third limiting part, which can be an integrally formed clamping arm, and the clamping arm is limited to the outer wall of the chamber.

[0015] As a preferred embodiment, the protective frame includes a first frame and a second frame, which are snap-fitted together.

[0016] As a preferred embodiment, the coupler body includes a coupler and a flexible connector at least partially located outside the coupler. The flexible connector has a connecting groove, and the protective frame has a connecting protrusion that mates with the connecting groove to limit the insertion of the two parts. The flexible part can be made of PVC material.

[0017] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure, and the aluminum die-cast support body and electric heating tube can be assembled, which can simplify the installation process. Furthermore, the coupler body is integrated with the electric heating tube through the protective frame, which can realize that the heating structure inside the bag is integrated, which is convenient for production and installation. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 This is a top view of the present invention;

[0020] Figure 3 for Figure 2 Schematic diagram of the cross-section at point AA;

[0021] Figure 4 This is a side cross-sectional view of the present invention;

[0022] Figure 5 This is a cross-sectional schematic diagram of the present invention;

[0023] Figure 6 This is a perspective view of the support body of this utility model;

[0024] Figure label:

[0025] 1 Support body; 101 First mounting part; 102 Chamber; 103 Heat sink; 104 Heat dissipation fins; 105 Gap; 106 Support component;

[0026] 2 heating elements;

[0027] 3 Protective frame; 301 Second mounting part; 302 Third mounting part; 303 Protrusion; 304 Connecting cavity; 305 Through hole; 306 Extension rod; 307 First frame; 308 Second frame; 309 Hollowed-out; 310 Insertion mounting part;

[0028] 4. Coupler body; 401 Coupler; 402 Flexible connector

[0029] 501 First limiting part; 502 Second limiting part; 503 Third limiting part; 504 Clamping arm;

[0030] 601 Connecting groove; 602 Connecting protrusion;

[0031] 7. Thermostat. Detailed Implementation

[0032] To enable those skilled in the art to better understand this utility model and to more clearly define the scope of protection claimed by this utility model, the present utility model is described in detail below with reference to certain specific embodiments. It should be noted that the following are only some specific embodiments of the present utility model concept, and are only a part of the embodiments of this utility model. The specific and direct description of related structures is only for the convenience of understanding this utility model, and the specific features do not necessarily or directly limit the scope of implementation of this utility model.

[0033] Referring to the attached drawings, the present invention adopts the following technical solution: a hot water bag heating structure, including a support body 1, an electric heating tube 2, a protective frame 3, and a coupler body 4;

[0034] The support body 1 is provided with at least one first mounting part 101 for assembling the electric heating tube 2, and the protective frame 3 is provided with a second mounting part 301 for mounting the support body 1, so as to support the support body 1 and / or the electric heating tube 2 to prevent the support body 1 and the electric heating tube 2 from contacting the inner wall of the hot water bag.

[0035] The protective frame 3 is provided with a third mounting part 302 for connecting the coupler body 4, so that the heating tube 2 is connected to the coupler body 4 and the heating tube 2 and the coupler body 4 are integrated.

[0036] In this embodiment, the support 1 is U-shaped, but in other embodiments it is not limited to this shape.

[0037] The protective frame 3 has an integrally formed protrusion 303 for support, and the second mounting part 301 is formed on the protrusion 303.

[0038] The protective frame 3 is provided with a connecting cavity 304, and the third mounting part 302 is disposed in the connecting cavity 304. The heating element 2 is connected to the coupler body 4 through the connecting cavity 304 to form an integral unit. The protective frame 3 is provided with a through hole 305 for the heating element 2 to pass through, and the through hole 305 is disposed within the range of the connecting cavity 304 so that the heating element 2 is electrically connected to the coupler body 4 within the connecting cavity 304.

[0039] As a preferred embodiment, the protective frame 3 is provided with an extension rod 306, and the support body 1 has a cavity 102. The extension rod 306 extends into the cavity 102, and a thermostat is provided inside the cavity 102. The thermostat cuts off the power supply to prevent dry burning when the heating element transfers heat to the aluminum die-cast body; for example, the end of the extension rod can limit the thermostat.

[0040] As a preferred embodiment, the support body 1 has an axially recessed opening to form a chamber 102. The connecting cavity 304 of the protective frame 3 is provided to fit the chamber 102, and an extension rod 306 is integrally formed on the side wall of the protective frame 3 on one side of the connecting cavity 304. The end of the extension rod 306 extends into the chamber 102, and the thermostat is at least partially located in the chamber 102.

[0041] Through the above technical solution, the design of chamber 102 better protects the temperature controller and prevents the temperature controller from being deformed by external pressure, which would affect the normal operation of the temperature controller.

[0042] As a preferred embodiment, the support body 1 is an aluminum die-cast body, which can be a one-piece structure; the support body 1 is provided with a heat dissipation part. In order to better dissipate heat, a heat sink 103 is provided on the outside of the support body 1, and a heat dissipation rib 104 is provided on the heat sink 103. A gap 105 is provided between the heat sink 103 and the outer wall of the chamber 102. The support body 1 includes the chamber 102 and the support member 106. The first mounting part 101 is formed on the support member 106, for example, it is U-shaped. The heat sink 103 connects the support body 1 and the outer wall of the chamber 102.

[0043] In other embodiments, the support may also be made of materials such as copper or iron.

[0044] The first mounting part 101 includes a first mounting groove for assembling the heating element 2; wherein, the two side walls of the first mounting groove can abut against the heating element 2 inward so that the heating element 2 is stably installed in the first mounting groove.

[0045] The second mounting part 301 includes a second mounting groove for mounting the support body 1.

[0046] As a preferred embodiment, the protective frame 3 is provided with a limiting part for limiting the support body 1 and / or the heating tube 2.

[0047] The limiting part includes a first limiting part 501, which can be an arc-shaped groove to limit the heating tube 2; the limiting part includes a second limiting part 502, which can be a limiting wall on at least one side of the arc-shaped groove to limit the support body 1; the limiting part includes a third limiting part 503, which can be an integrally formed clamping arm 504, which is limited to the outer wall of the chamber 102.

[0048] As a preferred embodiment, the protective frame 3 includes a first frame 307 and a second frame 308, which are snap-fitted together.

[0049] As a preferred embodiment, the coupler body 4 includes a coupler 401 and a flexible connector 402 at least partially located outside the coupler 401. The flexible connector 402 is provided with a connecting groove 601, and the protective frame 3 is provided with a connecting protrusion 602 that mates with the connecting groove 601 to limit the insertion of the two. The flexible part can be made of PVC material.

[0050] At least a portion of the outer wall of the protective frame 3 located at the connecting cavity 304 forms an insertion mounting portion 310 for inserting into the outer wall of the cavity 102; several perforations 309 are formed on the outer side of the protective frame 3.

[0051] Compared with the prior art, the advantages of this utility model are: the utility model has a simple structure, and the aluminum die-cast support body 1 and the electric heating tube 2 can be assembled, which can simplify the installation process. Furthermore, the coupler body 4 is integrated with the electric heating tube 2 through the protective frame 3, which can realize that the heating structure inside the bag is integrated, which is convenient for production and installation.

[0052] That is, the electric heating tube 2 of this utility model is assembled on the support body 1 made of aluminum die casting, then the thermostat 7 is assembled in the chamber 102, and then the protective frame and the coupler body 4 are installed. The coupler body 4 is integrated with the electric heating tube 2 for heating through the third connecting part.

[0053] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A heating structure for a hot water bag, characterized in that: It includes a support body (1), an electric heating tube (2), a protective frame (3), and a coupler body (4); The support (1) is provided with at least one first mounting part (101) for assembling the electric heating tube (2), and the protective frame (3) is provided with a second mounting part (301) for mounting the support (1) to support the support (1) and / or the electric heating tube (2) to prevent the support (1) and the electric heating tube (2) from contacting the inner wall of the hot water bag. The protective frame (3) is provided with a third mounting part (302) for connecting the coupler body (4) so ​​that the heating tube (2) is connected to the coupler body (4) so ​​that the heating tube (2) and the coupler body (4) are integrated.

2. The hot water bag heating structure according to claim 1, characterized in that: The protective frame (3) is provided with a connecting cavity (304), the third mounting part (302) is disposed in the connecting cavity (304), and the electric heating tube (2) is connected to the coupler body (4) through the connecting cavity (304) to form an integral unit.

3. The hot water bag heating structure according to claim 2, characterized in that: The protective frame (3) has a through hole (305) for the electric heating tube (2) to pass through, and the through hole (305) is located within the range of the connecting cavity (304) so ​​that the electric heating tube (2) is electrically connected to the coupler body (4) within the connecting cavity (304).

4. The hot water bag heating structure according to claim 1, characterized in that: The support (1) has a cavity (102), and the connecting cavity (304) of the protective frame (3) is set in conjunction with the cavity (102).

5. The hot water bag heating structure according to claim 4, characterized in that: The chamber (102) is equipped with a thermostat (7). The heating tube (2) transfers heat to the thermostat (7) of the support (1) to cut off the power supply to prevent dry burning.

6. The hot water bag heating structure according to claim 1, characterized in that: The support body (1) is an aluminum die-cast body, integrally formed; and / or, the support body (1) is provided with a heat dissipation part.

7. The hot water bag heating structure according to claim 1, characterized in that: The first mounting part (101) includes a first mounting groove for mounting the electric heating tube (2); And / or, the second mounting part (301) includes a second mounting groove for mounting the support (1).

8. The hot water bag heating structure according to claim 1, characterized in that: The protective frame (3) is provided with a limiting part for limiting the support (1) and / or the heating tube (2).

9. The hot water bag heating structure according to claim 1, characterized in that: The protective frame (3) includes a first frame (307) and a second frame (308), which are snap-fitted together.

10. The hot water bag heating structure according to claim 1, characterized in that: The coupler body (4) includes a coupler (401) and a soft connector (402) located at least partially outside the coupler (401). The soft connector (402) is provided with a connecting groove (601), and the protective frame (3) is provided with a connecting protrusion (602) that cooperates with the connecting groove (601) to limit the insertion of the two.