IP Library › Granted Patent US 12,507,836
Granted Patent B2
US 12,507,836 · App. 18/763,734 · Granted Dec 30, 2025

Towel heating device

Inventors: Zhilin Fan (Guangdong, CN); Zhenji Lin (Guangdong, CN)
Assignee: Guangzhou Hansong Tuojiang Technology Co., Ltd.
A47K10/06A61L2/04A61L12/04A63B37/0003
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Quick Facts
Patent No.
US 12,507,836
App. No.
18/763,734
Filed
Jul 3, 2024
Granted
Dec 30, 2025
Kind
B2
Art Unit
3761
USPC
219/521
Abstract

A foldable towel heating device includes: a rigid shell; a flexible connection member, connected to the rigid shell, wherein, the flexible connection member and the rigid shell cooperatively encloses to form a receiving chamber, the rigid shell or the flexible connection member defines an opening communicating with the receiving chamber; and a heating assembly, configured to heat the receiving chamber, wherein, the heating assembly is disposed at least on the flexible connection member.

Claims (29)

1 . A foldable towel heating device, comprising:

a rigid shell;

a flexible connection member, connected to the rigid shell, wherein, the flexible connection member and the rigid shell cooperatively encloses to form a receiving chamber, the rigid shell or the flexible connection member defines an opening communicating with the receiving chamber;

a heating assembly, configured to heat the receiving chamber, wherein, the heating assembly is disposed inside one of the rigid shell and the flexible connection member; and a portion of the heating assembly disposed inside the flexible connection member is folded as the flexible connection member is folded; wherein, the heating assembly comprises a plurality of heating plates mounted in the rigid shell; the plurality of heating plates are connected to a control board via a wire; a first fixation frame defines a wire slot, the wire extends through wire slot.

2 . The foldable towel heating device according to claim 1 , wherein, the heating assembly further comprises a control board, the flexible heating sheet is electrically connected to the control board, the flexible heating sheet is mounted on the flexible connection member, the control board is mounted on the rigid shell or on the flexible connection member.

3 . The foldable towel heating device according to claim 2 , wherein, the rigid shell is further arranged with at least two positioning posts, each of the plurality of positioning posts is arranged with two clamping protrusions, the two clamping protrusions abut against two sides of the control board, all of the at least two positioning posts are configured to cooperatively clamp the control board.

4 . A foldable towel heating device, comprising:

a rigid shell;

a flexible connection member, connected to the rigid shell, wherein, the flexible connection member and the rigid shell cooperatively encloses to form a receiving chamber, the rigid shell or the flexible connection member defines an opening communicating with the receiving chamber;

a heating assembly, configured to heat the receiving chamber, wherein, the heating assembly comprises a flexible heating plate that is disposed inside the flexible connection member;

wherein the flexible connection member comprises at least two flexible plates, the at least two flexible plates are integrally formed into a one-piece structure, the at least two flexible plates cooperatively form a U-shaped structure, the opening is located at a top of the U-shaped structure; the flexible heating plate is disposed in the at least two flexible plates;

the rigid shell comprises two rigid sub-shells; the flexible connection member is arranged with two first connection portions, the two first connection portions are connected to the two rigid sub-shells respectively; each rigid sub-shell comprises a shell body and a first fixation frame, the shell body defines a cavity, the first fixation frame is mounted in the cavity, each first connection portion is clamped between the respective first fixation frame and the respective shell body.

5 . The foldable towel heating device according to claim 4 , wherein, the flexible connection member comprises a first receiving member and a first heat-insulation layer, the heating assembly comprises a flexible heating sheet, the first receiving member comprises two first fabric sheets stitched to each other, the flexible heating sheet and the first heat-insulation layer are sandwiched between the two first fabric sheets.

6 . The foldable towel heating device according to claim 4 , wherein, the rigid shell comprises two rigid sub-shells, the flexible connection member is connected to the two rigid sub-shells, the flexible connection member and the two rigid sub-shells cooperatively enclose to form the receiving chamber.

7 . The foldable towel heating device according to claim 6 , wherein, the flexible connection member is arranged with two first connection portions, the two first connection portions are connected to the two rigid sub-shells respectively, each rigid sub-shell comprises a shell body and a first fixation frame, the shell body defines a cavity, the first fixation frame is mounted in the cavity, each first connection portion is clamped between the respective first fixation frame and the respective shell body.

8 . The foldable towel heating device according to claim 7 , wherein, the heating assembly further comprises two heating plates, the two heating plates are mounted in the two rigid sub-shells, and the two heating plates are electrically connected to a control board.

9 . The foldable towel heating device according to claim 8 , wherein, each rigid sub-shell further comprises a second fixation frame, a heating plate is mounted in the second fixation frame, the second fixation frame is mounted in the cavity, the second fixation frame is located at an inner side of the first fixation frame, the first connection portion extends through a gap between the first fixation frame and the second fixation frame.

10 . The foldable towel heating device according to claim 9 , wherein, the second fixation frame is ring shaped, the second fixation frame is formed by a plurality of second fixation rods successively connected to each other from end to end, the heating plate is rectangular, each of four edges of the heating plate is connected to at least one second fixation rod of the plurality of second fixation rods.

11 . The foldable towel heating device according to claim 10 , wherein, each of the plurality of second fixation rods is arranged with two first clamping protrusions, each of the two first clamping protrusions abuts against two sides of the heating plate, the two first clamping protrusions cooperatively clamp the heating plate.

12 . The foldable towel heating device according to claim 9 , wherein, the heating plate comprises a heat-conducting plate and an electric wire plate, the heat-conducting plate is mounted at a middle of the second fixation frame, the electric wire plate is attached to the heat-conducting plate, and the electric wire plate is electrically connected to the control board.

13 . The foldable towel heating device according to claim 12 , wherein, the electric wire plate is adhered to the side of the heat-conducting plate facing the cavity by double-sided adhesive.

14 . The foldable towel heating device according to claim 12 , wherein, the heat-conducting plate is a steel plate with a zinc layer plated on a surface thereof.

15 . The foldable towel heating device according to claim 12 , wherein, the shell body is made of plastic, and the second fixation frame is made of plastic material that is resistant to high temperatures and is flame retardant.

16 . The foldable towel heating device according to claim 6 , further comprising a foldable bracket, wherein, the two rigid sub-shells are connected to each other via the foldable bracket; when the foldable bracket is being folded, the two rigid sub-shells are driven to move to approach each other, the flexible connection is folded correspondingly; and when the foldable bracket is being unfolded, the two rigid sub-shells are driven to move away from each other, the flexible connection is unfolded correspondingly.

17 . The foldable towel heating device according to claim 4 , wherein, the at least two flexible plates comprise a flexible bottom plate and two flexible side plates; the flexible heating sheet comprises a bottom heating sheet and two side heating sheets, the bottom heating sheet is disposed in the flexible bottom plate, the two side heating sheets are disposed in the two flexible side plates, the two side heating sheets are electrically connected to the bottom heating sheet, and the bottom heating sheet is electrically connected to a control board.

18 . A foldable towel heating device, comprising:

a rigid shell, comprising a first fixation frame;

a flexible connection member, connected to the rigid shell, wherein, the flexible connection member and the rigid shell cooperatively encloses to form a receiving chamber, the rigid shell or the flexible connection member defines an opening communicating with the receiving chamber;

a heating assembly, configured to heat the receiving chamber, wherein, the heating assembly is disposed inside both the rigid shell and the flexible connection member; the heating assembly further comprises two heating plates, the two heating plates are mounted in the rigid shell, and the two heating plates are electrically connected to a control board via a first wire, and the first fixation frame defines a wire through-slot, the wire through-slot extends through the first fixation frame, the first wire extends through the wire through-slot.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2025
From: GUANGZHOU HANSONG ELECTRIC TECHNOLOGY CO., LIMITED
To: GUANGZHOU HANSONG TUOJIANG TECHNOLOGY CO., LTD.
Reel/Frame 072867/0887 →
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNORS DATA PREVIOUSLY RECORDED ON REEL 68206 FRAME 726. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Apr 15, 2025
From: FAN, ZHILIN; LIN, ZHENJI
To: GUANGZHOU HANSONG ELECTRIC TECHNOLOGY CO., LIMITED
Reel/Frame 070853/0272 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 8, 2024
From: LIN, ZHENJI
To: GUANGZHOU HANSONG ELECTRIC TECHNOLOGY CO., LIMITED
Reel/Frame 068206/0726 →
Priority Claims (2)
CN 202410260988.9 · Mar 7, 2024 · national
CN 202420441375.0 · Mar 7, 2024 · national
Continuity (1)
Related Publication 20250281007A1 · Sep 11, 2025
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