CN-224220598-U - Hand tool

Abstract

The utility model provides a hand tool, and belongs to the technical field of nursing equipment. The hand tool comprises a shell, a light-emitting assembly, a refrigerator, a first radiator and a second radiator, wherein the shell comprises a handheld part and an electrode head, an air inlet end is arranged at one end, away from the electrode head, of the handheld part, an air outlet end is arranged at one end, away from the handheld part, of the electrode head, a light-transmitting part is arranged at one side, along a second direction, of the electrode head, the light-emitting assembly is arranged in the electrode head, light emitted by the light-emitting assembly can pass through the light-transmitting part, the refrigerator is arranged at one side, facing the light-emitting assembly, of the light-transmitting part, the first radiator is connected with the light-emitting assembly, the second radiator is connected with the refrigerator, the first radiator is provided with a plurality of first heat dissipation channels, and the second radiator is provided with a plurality of second heat dissipation channels. The hand tool provided by the utility model can realize the separate heat dissipation of the light-emitting component and the refrigerator, so that the stability of the temperature of the light-emitting component and the refrigerator in the working process is ensured, the nursing or treatment effect on the skin of a user is improved, and the user experience is improved.

Inventors

• LI ZHENQI

Assignees

• 希觅(广州)科技有限公司

Dates

Publication Date

20260512

Application Date

20250407

Claims (19)

1. 1. A hand piece having intersecting first and second directions, comprising: The shell is used for defining a cavity and comprises a handheld part and an electrode tip, an air inlet end is arranged at one end, away from the electrode tip, of the handheld part along the first direction, an air outlet end is arranged at one end, away from the handheld part, of the electrode tip, the air inlet end and the air outlet end are respectively communicated with the cavity to form an air flow channel, and a light transmission part is arranged at one side, along the second direction, of the electrode tip; The light-emitting component is accommodated in the cavity and arranged in the electrode head, and light emitted by the light-emitting component can penetrate through the light-transmitting part; a refrigerator arranged at one side of the light transmission part facing the light emitting component; The LED lamp comprises an electrode head, a first radiator and a second radiator, wherein the first radiator and the second radiator are arranged in the electrode head at intervals, the first radiator is connected with the light-emitting assembly, the second radiator is connected with the refrigerator, the first radiator is provided with a plurality of first radiating channels, the second radiator is provided with a plurality of second radiating channels, and the first radiating channels and the second radiating channels are respectively communicated with the airflow channels.
2. 2. The hand piece of claim 1, wherein the outer peripheral side of the first heat sink is spaced from the inner wall of the housing to define a first annular airflow passage through the outer peripheral side of the first heat sink and the inner wall of the housing; and/or the outer peripheral side of the second radiator is spaced from the inner wall of the housing to define a second annular air flow passage through the outer peripheral side of the first radiator and the inner wall of the housing.
3. 3. The hand piece of claim 1, further comprising a blower housed in the cavity and disposed in the hand piece, the blower having an air inlet toward the air inlet end and an air outlet toward the air outlet end.
4. 4. A hand tool according to claim 3, comprising a baffle disposed between the second heat sink and the fan, the baffle having a baffle surface facing the first heat sink and the second heat sink.
5. 5. The hand tool according to claim 4, wherein an included angle between the guide surface and the first direction is alpha, and wherein alpha has a value ranging from 3 degrees to 10 degrees.
6. 6. The hand piece of claim 1, wherein the axis of the first heat dissipation channel and the axis of the second heat dissipation channel are each parallel to the axis of the airflow channel.
7. 7. The hand piece of claim 1, wherein the refrigerator comprises a refrigeration plate and a semiconductor medium, the semiconductor medium being disposed between the refrigeration plate and the light-transmitting portion, a side of the refrigeration plate facing away from the semiconductor medium being connected to the second heat sink; The refrigeration plate is provided with a heating surface and a refrigeration surface which are oppositely arranged along the second direction.
8. 8. The hand piece of claim 7, wherein the second heat sink comprises a plurality of second heat pipes and a plurality of second heat dissipation plates; the plurality of second radiating plates are arranged at one side of the refrigerating plate, which is away from the light transmission part, at intervals, and two adjacent second radiating plates are arranged at intervals to form the second radiating channel; The plurality of second heat conduction pipes are respectively arranged at the edge of the refrigeration plate, one end of each second heat conduction pipe is connected with one side of the refrigeration plate, which is away from the light transmission part, and the other end of each second heat conduction pipe penetrates through the second heat dissipation plate.
9. 9. The hand piece of claim 8, wherein the light assembly comprises a frame, a light emitting element, and a light transmissive plate; The frame body is arranged between the refrigeration plate and the second heat dissipation plate, the frame body defines an installation space, the light-emitting element is arranged in the installation space, a light-transmitting opening communicated with the installation space is formed in one side, facing the refrigerator, of the frame body, the edge of the light-transmitting plate is connected with the inner wall of the light-transmitting opening, and the light-transmitting opening is covered by the light-transmitting opening; the light-transmitting plate is projected in the light-transmitting part along the second direction.
10. 10. The hand tool according to claim 9, wherein a first heat insulation plate is arranged on one side of the frame body along the first direction, and a second heat insulation plate is arranged on the other side of the frame body; one end of the light-emitting element is connected with the first heat insulation plate, and the other end of the light-emitting element is connected with the second heat insulation plate.
11. 11. The hand tool according to claim 10, wherein one side of the first heat insulating plate and one side of the second heat insulating plate facing the light emitting element are respectively provided with a light reflecting plate, and the light reflecting surfaces of the light reflecting plates face the light emitting element.
12. 12. The hand piece of claim 9, further comprising a third direction intersecting the first direction and the second direction in pairs; The first radiator is arranged between the frame body and the second radiating plate and comprises a plurality of first heat conduction pipes and a plurality of first radiating plates, and the plurality of first heat conduction pipes are respectively arranged on one side of the frame body, which is away from the light transmission part; the plurality of first radiating plates are arranged along the third direction, and two adjacent first radiating plates are connected to define the first radiating channel; One side of the first heat dissipation plate along the second direction is connected with the first heat conduction pipe, and the other side of the first heat dissipation plate along the second direction is spaced from the second heat dissipation plate.
13. 13. The hand tool of claim 12, wherein the first heat dissipating plate comprises a first bending plate, a connecting plate, and a second bending plate connected to each other, the first bending plate and the second bending plate being disposed on opposite sides of the connecting plate in the second direction, respectively; The first bending plate is laminated on one side of the first heat conduction pipe, which is away from the frame body, and the second bending plate and the second heat dissipation plate are separated to form a third heat dissipation channel.
14. 14. The hand tool according to claim 12, wherein a convex ring is arranged on one side of the frame body facing the light transmission part, and the inner wall of the convex ring is adjacent to the edge of the light transmission plate; The frame body further comprises a light guide cylinder, the light guide cylinder is arranged on one side of the frame body, facing the light transmission part, the outer wall of the light guide cylinder is connected with the inner wall of the convex ring, and the light guide cylinder at least partially protrudes out of the convex ring along the second direction; the inner wall of the light guide cylinder is provided with a reflecting cover, and the reflecting surface of the reflecting cover faces the axis of the light guide cylinder.
15. 15. The hand tool of claim 14, wherein the cooling plate and the semiconductor medium are respectively surrounded by the light guide tube, and the cooling plate and the semiconductor medium are respectively spaced from the light guide tube.
16. 16. The hand tool according to claim 8, wherein the second heat conducting pipe comprises a first heat conducting section and a second heat conducting section, the first heat conducting section is attached to the refrigeration plate, one end of the second heat conducting section is connected with one end of the first heat conducting section, and the other end of the second heat conducting section penetrates through a plurality of the second heat dissipation plates.
17. 17. The hand piece of claim 16, wherein a plurality of the first heat conducting sections are disposed in an array along an edge of the refrigeration plate.
18. 18. The hand piece of claim 3, further comprising a control board received in the cavity and connected to an inner wall of the housing, wherein the light emitting assembly, the refrigerator, the first heat sink, the second heat sink, and the blower are electrically connected to the control board, respectively.
19. 19. The hand tool according to claim 1, wherein a plurality of electrode plates are arranged on one side of the light-transmitting part, which faces away from the light-emitting component, and the electrode plates are arranged at the edge of the light-transmitting part at intervals.

Description

Hand tool Technical Field The utility model relates to the technical field of nursing equipment, in particular to a hand tool. Background The beautifying mode of utilizing radio frequency to tighten skin and remove wrinkles is widely used gradually in families and medical beautifying industry, and in the link of using medical beautifying instruments to tighten skin and remove wrinkles on faces, each beautifying instrument is also provided with a beautifying hand tool matched with the beautifying hand tool and capable of being directly used for face work of human bodies. When the working temperature is too high, an operator can not continuously operate the hand tool, the rapid aging of parts in the hand tool is easily caused, and the service life of the hand tool is greatly reduced. Disclosure of utility model Therefore, the present utility model is directed to providing a hand tool for overcoming the shortcomings in the prior art. The utility model provides a hand tool, which is provided with a first direction and a second direction which are intersected, and comprises: The shell is used for defining a cavity and comprises a handheld part and an electrode tip, an air inlet end is arranged at one end, away from the electrode tip, of the handheld part along the first direction, an air outlet end is arranged at one end, away from the handheld part, of the electrode tip, the air inlet end and the air outlet end are respectively communicated with the cavity to form an air flow channel, and a light transmission part is arranged at one side, along the second direction, of the electrode tip; The light-emitting component is accommodated in the cavity and arranged in the electrode head, and light emitted by the light-emitting component can penetrate through the light-transmitting part; a refrigerator arranged at one side of the light transmission part facing the light emitting component; The LED lamp comprises an electrode head, a first radiator and a second radiator, wherein the first radiator and the second radiator are arranged in the electrode head at intervals, the first radiator is connected with the light-emitting assembly, the second radiator is connected with the refrigerator, the first radiator is provided with a plurality of first radiating channels, the second radiator is provided with a plurality of second radiating channels, and the first radiating channels and the second radiating channels are respectively communicated with the airflow channels. In some embodiments, the outer peripheral side of the first heat sink is spaced from the inner wall of the housing to define a first annular airflow channel through the outer peripheral side of the first heat sink and the inner wall of the housing; and/or the outer peripheral side of the second radiator is spaced from the inner wall of the housing to define a second annular air flow passage through the outer peripheral side of the first radiator and the inner wall of the housing. In some embodiments, the hand piece further comprises a blower housed in the cavity and disposed in the hand piece, the blower having an air inlet towards the air inlet end and an air outlet towards the air outlet end. In some embodiments, the hand piece includes a baffle disposed between the second heat sink and the fan, the baffle having a flow directing surface facing the first heat sink and the second heat sink. In some embodiments, the included angle between the flow guiding surface and the first direction is alpha, wherein alpha is in the range of 3 degrees less than or equal to alpha less than or equal to 10 degrees. In some embodiments, the axis of the first heat dissipation channel and the axis of the second heat dissipation channel are each parallel to the axis of the airflow channel. In some embodiments, the refrigerator includes a refrigeration plate and a semiconductor medium disposed between the refrigeration plate and the light-transmitting portion, a side of the refrigeration plate facing away from the semiconductor medium being connected to the second heat sink; The refrigeration plate is provided with a heating surface and a refrigeration surface which are oppositely arranged along the second direction. In some embodiments, the second heat sink includes a plurality of second heat pipes and a plurality of second heat dissipation plates; the plurality of second radiating plates are arranged at one side of the refrigerating plate, which is away from the light transmission part, at intervals, and two adjacent second radiating plates are arranged at intervals to form the second radiating channel; The plurality of second heat conduction pipes are respectively arranged at the edge of the refrigeration plate, one end of each second heat conduction pipe is connected with one side of the refrigeration plate, which is away from the light transmission part, and the other end of each second heat conduction pipe penetrates through the second heat dissipation plate. In some embodime