Hot-water bag heating body and electric hot-water bag

Abstract

The utility model discloses a hot-water bag heating body and an electric hot-water bag. The hot-water bag heating body comprises a heating pipe, a shell and a weight increasing piece. The heating pipe is used for heating liquid; the shell is provided with a mounting cavity and a bearing cavity; the bearing cavity is located in the middle of the mounting cavity, and the heating pipe is arranged in the mounting cavity; the weight increasing piece is arranged in the bearing cavity; the utility model further discloses an electric hot-water bag. Compared with the prior art, the electric cooker has the effect of preventing dry burning.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric hot water bag, concretely relates to a hot water bag heating body and electric hot water bag. BACKGROUND

[0002] Electric hot water bag is used for warming. Electric hot water bag generally includes bag body, heating body arranged in bag body, and the water in bag body is heated through the heating of heating body, thereby facilitating user warming. When user needs to be warmed, only needs to charge and heat for a period of time after the power cord of electric hot water bag is plugged into power supply, and electric hot water bag has enough heat to warm people.

[0003] Traditional electric hot water bag usually adopts U-shaped metal heating pipe as heating element. But in actual use, if hot water bag is inclined, heating pipe can be partially exposed outside liquid surface. For example, the Chinese invention application with application number 202310529902.3 (application publication number CN116313638A) discloses an electric appliance assembly in electric hot water bag, including inner box body and heating assembly, and the inner box body and heating assembly are installed in bag body. The inner box body includes shell, microswitch and safety tube, the heating assembly is composed of heating pipe, heating pipe support, temperature controller fixing tube, two temperature controllers, sealing frame and support fixing strip, and the shell is integrally injection molded. The side of shell towards the center of bag body is diaphragm, and the inner center of diaphragm is close to the touch point of microswitch. The top end of heating assembly has a temperature controller. Although the application adds a dry burning prevention temperature controller to heating assembly, if hot water bag is inclined, heating pipe can be partially exposed outside liquid surface to cause dry burning.

[0004] Therefore, it is necessary to improve the prior art. UTILITY MODEL CONTENTS

[0005] The second technical problem to be solved by the utility model is to provide a dry burning prevention hot water bag heating body.

[0006] The second technical problem to be solved by the utility model is to provide an electric hot water bag.

[0007] The technical scheme adopted by the utility model to solve the above first technical problem is as follows: a hot water bag heating body, including

[0008] Heating pipe, used for heating liquid; characterized in that: the hot water bag heating body further includes

[0009] Shell, having installation cavity and bearing cavity; the bearing cavity is arranged in the middle of installation cavity, and the heating pipe is arranged in installation cavity;

[0010] Weighting member, arranged in bearing cavity.

[0011] In order to increase the heating area, facilitate the heating of the liquid, preferably, the heating pipe is U-shaped, and correspondingly, the mounting cavity is U-shaped.

[0012] In order to further limit the heating pipe and the weight-increasing member, preferably, the shell comprises:

[0013] The upper shell has an upper clamping groove which is open downward, and a limiting groove which is open downward and located at the periphery of the upper clamping groove;

[0014] The lower shell is opposite to the upper shell to form the mounting cavity and the weight-bearing cavity; the lower shell has a lower clamping groove which is open upward, and a limiting column which is located at the periphery of the lower clamping groove and inserted into the limiting groove.

[0015] In order to sense the temperature of the heating pipe, preferably, the hot water bag heating body further comprises

[0016] The temperature controller is arranged in the mounting cavity, and the temperature controller is in contact with the heating pipe and used for sensing the heat of the heating pipe.

[0017] In order to guide the liquid to the heating pipe, keep the heating pipe wet, and further prevent dry burning, preferably, the hot water bag heating body further comprises:

[0018] The water-absorbing member is partially arranged in the mounting cavity and has a bottom end and a high end opposite to the bottom end; the bottom end is used for being immersed in the liquid, and the high end is in contact with the heating pipe to guide the liquid at the bottom end to the heating pipe.

[0019] In order to be electrically connected with an external power supply, preferably, the hot water bag heating body further comprises a power connector which is electrically connected with the heating pipe and the temperature controller; the shell is provided with a through hole which is communicated with the mounting cavity and located at the charging end; and the power connector is partially arranged in the shell through the through hole.

[0020] The technical solution adopted by the utility model to solve the second technical problem is: a hot water bag, characterized by comprising the hot water bag heating body, and further comprising

[0021] The sealing bag has a containing cavity.

[0022] The liquid is arranged in the containing cavity.

[0023] The hot water bag heating body is arranged in the containing cavity of the sealing bag and heats the liquid.

[0024] Compared with the prior art, the utility model has the advantages that the weight-increasing member is arranged in the weight-bearing cavity in the middle of the mounting cavity, and the heating pipe is arranged in the mounting cavity; therefore, the gravity of the weight-increasing member drives the shell to move downward, and the heating pipe keeps in contact with the liquid under the gravity of the weight-increasing member, so that the heating pipe can keep in a wet state and prevent dry burning when the hot water bag using the hot water bag heating body is inclined. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the heating element of the hot water bag in an embodiment;

[0026] Figure 2 for Figure 1 A schematic diagram of the decomposition process;

[0027] Figure 3 for Figure 1 Another exploded diagram;

[0028] Figure 4 This is a schematic diagram of the upper housing structure in an embodiment;

[0029] Figure 5 This is a schematic diagram of the structure of the electric hot water bag in the embodiment;

[0030] Figure 6 This is a partial cross-sectional view of the electric hot water bag used in the embodiment. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0032] like Figures 1-6 The image shows a preferred embodiment of the present invention. The hot water bottle heating element 100 includes a shell 1, a heating tube 2, a weighting component 3, a water-absorbing component 4, a power connector 5, a thermostat 6, and a temperature sensor 8.

[0033] Heating tube 2 is used to heat the liquid; heating tube 2 is U-shaped;

[0034] The housing 1 has a mounting cavity 1a and a load-bearing cavity 1b; the load-bearing cavity 1b is located in the middle of the mounting cavity 1a, the heating tube 2 is located in the mounting cavity 1a, and the mounting cavity 1a is U-shaped; the weight-adding component 3 is located in the load-bearing cavity 1b. The housing 1 includes an upper housing 11 and a lower housing 12; the upper housing 11 has a downward-opening upper retaining groove 111 and a downward-opening limiting groove 112 located on the outer periphery of the upper retaining groove 111; the lower housing 12 is fitted together with the upper housing 11 to form the mounting cavity 1a and the load-bearing cavity 1b; the lower housing 12 has an upward-opening lower retaining groove 121 and a limiting post 122 located on the outer periphery of the lower retaining groove 121 and inserted into the limiting groove 112.

[0035] The weight-adding component 3 is located inside the load-bearing cavity 1b.

[0036] The thermostat 6 is located within the mounting cavity 1a. The thermostat 6 is in contact with the heating element 2 and is used to sense the heat from the heating element 2. The thermostat 6 melts in the event of dry burning. The temperature sensor 8 is also located within the mounting cavity 1a. When the heating element 2 reaches the preset temperature of the temperature sensor 8, the temperature sensor 8 cuts off the power to prevent dry burning, providing a high level of safety. If the temperature sensor 8 fails, the thermostat 6, through its function, will cut off the power to prevent dry burning when the temperature exceeds its preset temperature.

[0037] The water-absorbing part 4 is located in the mounting cavity 1a and has a bottom end and a high end opposite to the bottom end. The bottom end is used to immerse liquid, and the high end contacts the heating tube 2 to guide the liquid at the bottom end to the heating tube 2.

[0038] The power connector 5 is electrically connected to the heating tube 2 and the thermostat 6. The housing 1 has a through hole 13 near the charging end that communicates with the mounting cavity 1a. The power connector 5 passes through the through hole 13 and is located inside the housing 1.

[0039] like Figures 5-6 As shown, this embodiment also provides an electric hot water bag, which includes the hot water bag heating element 100, the sealing bag 200 and the liquid 7 described above; the sealing bag 200 has a receiving cavity 200a; the liquid 7 is placed in the receiving cavity 200a; the hot water bag heating element 100 is disposed in the receiving cavity 200a of the sealing bag 200 and heats the liquid 7.

[0040] The usage process of this utility model embodiment is as follows:

[0041] After connecting to an external power source via power connector 5, heating tube 2 begins to heat the liquid 7 inside the containment cavity 200a of sealed bag 200; heating tube 2 remains in contact with liquid 7 under the weight of weight-adding component 3; the bottom end of water-absorbing component 4 is immersed in liquid 6, and the upper end is in contact with heating tube 2, guiding the liquid at the bottom end onto heating tube 2; heating tube 2 remains moist to prevent dry burning, thus ensuring good safety.

Claims

1. A heating element for a hot water bottle, comprising: Heating tube (2), used for heating liquid; characterized in that: The heating element of a hot water bottle also includes: The housing (1) has an installation cavity (1a) and a load-bearing cavity (1b); the load-bearing cavity (1b) is located in the middle of the installation cavity (1a), and the heating tube (2) is disposed in the installation cavity (1a); The weight-adding component (3) is located inside the load-bearing cavity (1b).

2. The heating element of the hot water bottle according to claim 1, characterized in that: The heating tube (2) is U-shaped, and correspondingly, the mounting cavity (1a) is U-shaped.

3. The heating element of the hot water bottle according to claim 1, characterized in that: The housing (1) includes: The upper housing (11) has a downward-opening upper slot (111) and a downward-opening limiting slot (112) located on the outer periphery of the upper slot (111); The lower housing (12) is fitted with the upper housing (11) to form an installation cavity (1a) and a load-bearing cavity (1b); the lower housing (12) has an upward-opening lower slot (121) and a limiting post (122) located on the outer periphery of the lower slot (121) and inserted into the limiting groove (112).

4. The heating element of the hot water bottle according to claim 1, characterized in that: The heating element of a hot water bottle also includes A thermostat (6) is located in the mounting cavity (1a). The thermostat (6) is in contact with the heating tube (2) and is used to sense the heat of the heating tube (2).

5. The heating element of the hot water bottle according to claim 1, characterized in that: The heating element of a hot water bottle also includes The absorbent (4) is partially disposed in the mounting cavity (1a) and has a bottom end and a high end opposite to the bottom end. The bottom end is used to immerse liquid, and the high end is in contact with the heating tube (2) to guide the liquid at the bottom end onto the heating tube (2).

6. The heating element of the hot water bottle according to claim 5, characterized in that: It also includes a power connector (5) that is electrically connected to the heating tube (2) and the thermostat (6). The housing (1) has a through hole (13) near the charging end that communicates with the mounting cavity (1a). The power connector (5) is partially disposed inside the housing (1) through the through hole (13).

7. An electric hot water bag, characterized in that: Including the heating element (100) of the hot water bottle as described in any one of claims 1 to 6, and further comprising... A sealed bag (200) having a receiving cavity (200a); Liquid (7) is placed in the receiving cavity (200a); The heating element (100) of the hot water bag is disposed in the receiving cavity (200a) of the sealed bag (200) and heats the liquid (7).

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