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CN-224220312-U - Hand warmer

CN224220312UCN 224220312 UCN224220312 UCN 224220312UCN-224220312-U

Abstract

The utility model provides a hand warmer which comprises a shell, a heat conductor and a heat conducting body, wherein the shell is made of plastic materials and is provided with a first positioning groove, the heat conductor is matched with the first positioning groove, and the heat conductor and the shell are connected into a whole in an injection molding mode. The hand warmer has the advantages that the first positioning groove is formed in the shell, the heat conductor is matched with the first positioning groove, so that the heat conductor can be installed and positioned, the heat conductor can be installed quickly, meanwhile, the contact area between the shell and the heat conductor can be increased, the connection stability of the heat conductor and the shell can be improved, in addition, the assembly process of the heat conductor and the shell is omitted, the installation step of the hand warmer is greatly simplified, the installation is simpler and more convenient, and the installation efficiency is higher.

Inventors

  • LIU DEXIANG

Assignees

  • 柳德祥

Dates

Publication Date
20260512
Application Date
20250116

Claims (10)

  1. 1. A hand warmer, comprising: A shell made of plastic material, the outer side wall of the shell is provided with a first positioning groove, and The heat conductor is matched with the first positioning groove, and the heat conductor and the shell are connected into a whole in an in-mold injection mode.
  2. 2. The hand warmer of claim 1, wherein said housing further has an inner cavity and a communication port, said inner cavity, said communication port, and said first positioning groove being arranged in sequence along a first direction of said housing, said communication port communicating said inner cavity and said first positioning groove, said first positioning groove being disposed around said communication port; The hand warmer further comprises: The heating piece is arranged in the communication port and is connected with the heat conductor; The control circuit board is arranged in the inner cavity and is electrically connected with the heating element.
  3. 3. A hand warmer according to claim 2, wherein said hand warmer further comprises: The battery is arranged in the inner cavity and supplies power for the control circuit board.
  4. 4. The hand warmer of claim 2, wherein the control circuit board is provided with a spring needle; The heating element is provided with a contact, and the contact is abutted with the spring needle so that the heating element and the control circuit board are electrically connected together.
  5. 5. The hand warmer according to claim 2, wherein a temperature sensor is further disposed in the inner cavity, the temperature sensor is electrically connected to the control circuit board, the temperature sensor is used for detecting the working temperature of the heating element, and the control circuit board is used for controlling the heating element to be turned off or switched to a heat preservation mode according to feedback information of the temperature sensor.
  6. 6. The hand warmer of claim 2, wherein a display is further provided on the housing, the display is electrically connected to the control circuit board, and the display is configured to display an operating state of the hand warmer.
  7. 7. The hand warmer of claim 6, wherein said housing comprises: The shell body is provided with an inner cavity, a communication port, a first positioning groove and an avoidance port, the avoidance port is communicated with the inner cavity, the avoidance port is 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.
  8. 8. The hand warmer of claim 7, wherein said housing body further comprises a second positioning groove, said second positioning groove is disposed around said relief opening, said second positioning groove is in communication with said relief opening, and said see-through body is adapted to said second positioning groove.
  9. 9. The hand warmer of claim 7, wherein one of said housing body and said see-through body has a snap-in recess, and the other has 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 hand warmer of claim 7, wherein said housing body comprises: a lower shell provided with the avoidance port and a second positioning groove, and The upper shell is provided with the first positioning groove and the communication port, the upper shell is connected with the lower shell, and the inner cavity is formed by the upper shell and the lower shell in a surrounding mode.

Description

Hand warmer Technical Field The application relates to the technical field of small household appliances, in particular to a hand warmer. Background Hand warmer is a small household appliance for keeping warm in winter, and is kept warm mainly by providing heat. The hand warmer has various types and application scenes, and is suitable for different requirements and occasions. At present, the lithium battery 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 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 lithium battery hand warmer can start heating in a short time to meet the rapid heating requirement, the heat conductor is connected with the shell through the buckling body, the shell is fixed by the jig in the installation process, then the buckling body of the heat conductor penetrates through the buckling hole of the shell, and finally the buckling body is bent and pressed on the shell, so that the installation process is complex and the installation efficiency is low. Disclosure of utility model The embodiment of the application provides a hand warmer, which solves the problems existing in the related technology and has the following technical scheme: The embodiment of the application provides a hand warmer, which comprises: A shell made of plastic material, the outer side wall of the shell is provided with a first positioning groove, and The heat conductor is matched with the first positioning groove, and the heat conductor and the shell are connected into a whole in an in-mold injection mode. In one embodiment, the heat conductor and the heat generating element are bonded together. In one embodiment, the heat conductor is made of an aluminum material. In one embodiment, the housing further has an inner cavity and a communication port, the inner cavity, the communication port and the first positioning groove are sequentially arranged along the first direction of the housing, the communication port communicates the inner cavity and the first positioning groove, and the first positioning groove is arranged around the communication port; The hand warmer further comprises: The heating piece is arranged in the communication port and is connected with the heat conductor; The control circuit board is arranged in the inner cavity and is electrically connected with the heating element. In one embodiment, the hand warmer further comprises: The battery is arranged in the inner cavity and supplies power for the control circuit board. In one embodiment, the control circuit board is provided with a spring needle; The heating element is provided with a contact, and the contact is abutted with the spring needle so that the heating element and the control circuit board are electrically connected together. In one embodiment, a temperature sensor is further arranged in the inner cavity, the temperature sensor is electrically connected with the control circuit board, the temperature sensor is used for detecting the working temperature of the heating element, and the control circuit board is used for controlling the heating element to be turned off or switched to a heat preservation mode according to feedback information of the temperature sensor. 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 hand warmer. In one embodiment, the housing comprises: The shell body is provided with an inner cavity, a communication port, a first positioning groove and an avoidance port, the avoidance port is communicated with the inner cavity, the avoidance port is 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 shell body further has a second positioning groove, the second positioning groove is disposed around the avoidance port, the second pos