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CN-224220311-U - Small hand warmer

CN224220311UCN 224220311 UCN224220311 UCN 224220311UCN-224220311-U

Abstract

The application provides a small hand warmer which comprises a shell, a battery, a control circuit board, a heating element and a heat conductor, wherein the shell is provided with an inner cavity and a first positioning groove, the first positioning groove is communicated with the inner cavity, the first positioning groove is positioned on an outer side wall of the shell in a first direction, the battery is arranged in the inner cavity, the control circuit board is arranged in the inner cavity and is used for supplying power for the battery, the heating element is arranged in the first positioning groove and is electrically connected with the control circuit board so as to control the opening and closing of the heating element through the control circuit board, the heat conductor is matched with the first positioning groove, the heat conductor covers the heating element so as to seal the heating element in the shell, and the heat conductor is connected with the heating element and is bonded with the shell. Because the heat conductor and the shell are adhered together, the buckle body is not required to be arranged on the heat conductor or the shell, the condition that the buckle body is broken cannot occur, the heat conductor can be reliably fixed on the shell, the installation operation is simple and convenient, the standardized and automatic production is easy to realize, and the installation efficiency and the quality stability can be improved.

Inventors

  • LIU DEXIANG

Assignees

  • 柳德祥

Dates

Publication Date
20260512
Application Date
20250116

Claims (10)

  1. 1. Small-size hand warmer, its characterized in that includes: The shell is provided with an inner cavity and a first positioning groove, the inner cavity and the first positioning groove are sequentially arranged along a first direction of the shell, the first positioning groove is communicated with the inner cavity, and the first positioning groove is positioned on an outer side wall of the shell in the first direction; the battery is arranged in the inner cavity; The control circuit board is arranged in the inner cavity, and the battery supplies power for the control circuit board; A heating element arranged in the first positioning groove and electrically connected with the control circuit board, and The heat conductor is matched with the first positioning groove, the heat conductor covers the heating element so as to seal the heating element in the shell, the heat conductor is connected with the heating element, and the heat conductor is bonded with the shell.
  2. 2. The compact hand warmer of claim 1, wherein said bottom wall of said heat conductor and said top wall of said heat generating element are bonded together.
  3. 3. The compact hand warmer of claim 1, wherein said first positioning groove is provided with a first connecting portion and a second connecting portion, said first connecting portion being disposed around said heat generating element, said second connecting portion being disposed around said first connecting portion; The bottom wall of the heat conductor is adhered to the first connecting part around the part where the heating element is arranged, and the side wall of the heat conductor is adhered to the second connecting part.
  4. 4. The compact hand warmer of claim 1, wherein the location of said housing having said first detent is on the same horizontal plane as the top wall of said heat conductor.
  5. 5. The small-sized hand warmer according to claim 1, wherein a display is further provided on the housing, the display is electrically connected to the control circuit board, and the display is used for displaying an operation state of the small-sized hand warmer.
  6. 6. The compact hand warmer of claim 5, wherein said housing comprises: The shell body is provided with an inner cavity, the first positioning groove and an avoidance port, the avoidance port is communicated with the inner cavity and used for the display to penetrate, the shell body is made of a non-transparent material, and The perspective body is arranged on the shell main body and covers the avoidance opening so as to seal the display in the shell main body, and the perspective body is made of transparent materials or light-transmitting materials.
  7. 7. The compact hand warmer of claim 6, wherein said perspective body and said thermal conductor are disposed on either side of said housing in a first direction.
  8. 8. The compact hand warmer of claim 6, wherein said housing body further has a second positioning groove disposed about said relief opening, said second positioning groove communicating with said relief opening, said see-through body being adapted to said second positioning groove.
  9. 9. The compact hand warmer of claim 8, wherein one of said housing body and said see-through body has a snap-in recess and the other is provided with a snap-in protrusion, said snap-in protrusion being inserted into said snap-in recess to connect said housing body and said see-through body together.
  10. 10. The compact hand warmer of claim 6, wherein said housing body comprises: a lower shell provided with the avoidance port and a first fastening part, and The upper shell is provided with the first positioning groove, the inner cavity is formed by surrounding the upper shell and the lower shell, the upper shell is further provided with a second buckling part, and the second buckling part is buckled with the first buckling part so as to connect the upper shell and the lower shell together.

Description

Small hand warmer Technical Field The application relates to the technical field of small household appliances, in particular to a small hand warmer. Background A small-sized hand warmer is a small household appliance for keeping warm in winter, and is kept warm mainly by supplying heat. The small hand warmer has various types and application scenes, and is suitable for different requirements and occasions. At present, a lithium battery small-sized hand warmer commonly used in the market mainly comprises a shell, a battery, a control circuit board, a heating element, a temperature sensor and a heat conductor. The hand warmer comprises a shell, a battery, a control circuit board, a heating element and a temperature sensor, wherein the battery, the control circuit board, the heating element and the temperature sensor are all arranged in the shell, the battery provides electric energy, the control circuit board is responsible for controlling and managing the use of the electric energy, the heating element is converted into heat energy through the electric energy to provide warmth, a probe of the temperature sensor is abutted against the heating element, the shell protects an internal structure and provides comfortable holding feeling, the heat conductor is arranged on the shell, and the heat conductor is connected with the heating element so as to transfer the heat of the heating element to the heat conductor, so that a user can transfer the heat to the user through the heat conductor when holding the hand warmer. Although the small-sized hand warmer with the lithium battery can start heating in a short time to meet the rapid heating requirement, the heat conductor is connected with the shell through the buckle body, and the buckle body on the heat conductor is easy to break in the installation process, so that the connection stability of the heat conductor and the shell is affected. Disclosure of utility model The embodiment of the application provides a small hand warmer, which solves the problems of the related technology and has the following technical scheme: The embodiment of the application provides a small hand warmer, which comprises: The shell is provided with an inner cavity and a first positioning groove, the inner cavity and the first positioning groove are sequentially arranged along a first direction of the shell, the first positioning groove is communicated with the inner cavity, and the first positioning groove is positioned on an outer side wall of the shell in the first direction; the battery is arranged in the inner cavity; The control circuit board is arranged in the inner cavity and is used for supplying power for the battery; A heating element arranged in the first positioning groove and electrically connected with the control circuit board, and The heat conductor is matched with the first positioning groove, the heat conductor covers the heating element so as to seal the heating element in the shell, the heat conductor is connected with the heating element, and the heat conductor is bonded with the shell. In one embodiment, the bottom wall of the heat conductor and the top wall of the heat generating element are bonded together. In one embodiment, the first positioning groove is provided with a first connecting portion and a second connecting portion, the first connecting portion is arranged around the heating element, and the second connecting portion is arranged around the first connecting portion; The bottom wall of the heat conductor is adhered to the first connecting part around the part where the heating element is arranged, and the side wall of the heat conductor is adhered to the second connecting part. In one embodiment, the location of the housing having the first detent is on the same horizontal plane as the top wall of the thermally conductive body. In one embodiment, a display is further arranged on the shell, the display is electrically connected with the control circuit board, and the display is used for displaying the working state of the small hand warmer. In one embodiment, the housing comprises: The shell body is provided with an inner cavity, the first positioning groove and an avoidance port, the avoidance port is communicated with the inner cavity and used for the display to penetrate, the shell body is made of a non-transparent material, and The perspective body is arranged on the shell main body and covers the avoidance opening so as to seal the display in the shell main body, and the perspective body is made of transparent materials or light-transmitting materials. In one embodiment, the transparent body and the heat conductor are disposed on either side of the housing in a first direction. In one embodiment, the shell body further has a second positioning groove, the second positioning groove is disposed around the avoidance port, the second positioning groove is communicated with the avoidance port, and the perspective body is adapted to the second positioning