Search

CN-224206916-U - Brush head structure and electric toothbrush

CN224206916UCN 224206916 UCN224206916 UCN 224206916UCN-224206916-U

Abstract

The utility model relates to the technical field of toothbrushes and discloses a brush head structure and an electric toothbrush, wherein the brush head structure comprises a brush head body, a brush head cover and a brush head cover, wherein the brush head body comprises a brush head part, an accommodating cavity with an opening is formed in the brush head body, and the opening end of the accommodating cavity is away from the brush head part; the brush head comprises a brush head body, a base, a heating piece and a heating piece, wherein the brush head body is arranged at the opening end of the brush head body and is detachably connected with the brush head body, the base comprises a bottom plate, at least two first conductive pieces are arranged on the bottom plate and penetrate through the bottom plate, and the heating piece is arranged in a containing cavity and is electrically connected with the first conductive pieces. Through setting up the heating element in holding the chamber of brush head body to set up on the bottom plate of base and connect and hold two at least first electrically conductive pieces inside and outside the chamber, then the heating element can realize the electricity through two at least first electrically conductive pieces on the bottom plate and be connected with the power in the electric toothbrush fuselage, thereby heats and realize heating brush head body through the heating element after getting the electricity, has improved the comfort level of brushing teeth.

Inventors

  • FANG CHAO
  • XU YAODONG
  • DING HUI
  • HONG JIADONG
  • ZHANG YUJUN

Assignees

  • 深圳市欣智旺电子有限公司

Dates

Publication Date
20260508
Application Date
20250414

Claims (10)

  1. 1. A brush head structure comprising: The brush head body (1) comprises a brush head part (111), a containing cavity (101) with one end open is formed in the brush head body (1), and the open end of the containing cavity (101) faces away from the brush head part (111); The base (2) is positioned at the opening end of the brush head body (1) and is detachably connected with the brush head body (1), the base (2) comprises a bottom plate (201), at least two first conductive pieces (204) are arranged on the bottom plate (201), and the first conductive pieces (204) penetrate through the bottom plate (201); And the heating piece (3) is arranged in the accommodating cavity (101), and the heating piece (3) is electrically connected with the first conductive piece (204).
  2. 2. The brush head structure according to claim 1, wherein the accommodating cavity (101) comprises a first cavity (102) and a second cavity (103) which are communicated, an end, far away from the first cavity (102), of the second cavity (103) forms an opening end of the brush head body (1), the heating element (3) comprises a heating part (301) and a connecting wire (302), the heating part (301) is located in the first cavity (102) and is attached to the inner wall of the first cavity (102), and the connecting wire (302) is located in the second cavity (103).
  3. 3. The brush head structure according to claim 2, wherein the heat generating portion (301) includes a heat generating head portion (3011) and a heat generating stem portion (3012), the brush head body (1) includes the brush head portion (111) and a brush head stem portion (112), the brush head stem portion (112) includes a first stem section (1121) and a second stem section (1122), the first stem section (1121) is connected between the brush head portion (111) and the second stem section (1122), the second stem section (1122) corresponds to the second cavity (103), the heat generating head portion (3011) is adapted to a shape of the brush head portion (111), and the heat generating stem portion (3012) is adapted to a shape of the first stem section (1121).
  4. 4. The brush head structure according to claim 2, characterized in that the brush head body (1) is injection-molded around the heat generating portion (301) of the heating element (3); And/or, the base (2) is coated on the outer periphery side of the first conductive piece (204) in an injection molding way.
  5. 5. The brush head structure according to any of claims 2-4, wherein the base (2) further comprises a column (202), the column (202) is connected to one side of the base plate (201), the column (202) is detachably inserted into the second cavity (103), and an opening is formed in an end of the column (202) facing away from the brush head body (1) to form an insertion cavity (2021) in the column (202).
  6. 6. The brush head structure according to claim 5, characterized in that the second cavity (103) comprises a main chamber (1031) and a side chamber (1032), the side chamber (1032) being connected to the outer peripheral side of the main chamber (1031), the main chamber (1031) being adapted to receive the post (202), the side chamber (1032) being adapted to receive the connection wire (302).
  7. 7. The brush head structure according to claim 5, further comprising a first circuit board (4), wherein the first circuit board (4) is disposed between the base plate (201) and the brush head body (1), and wherein the first conductive member (204) and the connecting wire (302) are electrically connected to the first circuit board (4).
  8. 8. The brush head structure according to claim 7, wherein the first circuit board (4) is annular and sleeved outside the column (202); And/or, base (2) still include set up annular protruding edge (203) on bottom plate (201), brush first body (1) go up towards one end of bottom plate (201) seted up with protruding edge (203) matched with annular groove (104), first circuit board (4) are located protruding edge (203) with between cylinder (202), just protruding edge (203) inner peripheral face with the outside edge cooperation of first circuit board (4).
  9. 9. An electric toothbrush, comprising: The power supply device comprises a body, a power supply assembly (6) and a power supply module, wherein the power supply assembly (6) is arranged in the body (5), a second conductive piece (7) is arranged at a first end of the body (5), the power supply assembly (6) is provided with a power supply (601), and the second conductive piece (7) is electrically connected with the power supply (601); the brush head structure of any one of claims 1 to 8, being detachably connected to the body, a first conductive element (204) on the brush head structure being electrically connected to the second conductive element (7) when the brush head structure is connected to the body.
  10. 10. The electric toothbrush according to claim 9, characterized in that the second conductive element (7) is a pogo pin.

Description

Brush head structure and electric toothbrush Technical Field The utility model relates to the technical field of toothbrushes, in particular to a brush head structure and an electric toothbrush. Background Electric toothbrushes are common in daily life, providing great convenience to users. In a large environment where electric toothbrushes are increasingly competitive, the diversity of functions and use environments of electric toothbrushes can increase their competitiveness in the market. Most of the electric toothbrushes on the current market can meet the use demands under the conventional environment, however, under the conditions of colder weather and no hot water, users and children with relatively sensitive oral cavities to ice cooling are contacted with teeth in the brushing process, the brush heads of the electric toothbrushes have no heating function, the comfort is poor, and the use experience of users is poor. Disclosure of utility model In view of the above, the present utility model provides a brush head structure and an electric toothbrush to solve the problem of poor brushing comfort caused by the fact that the brush head does not have a heating function. The utility model provides a brush head structure, which comprises a brush head body, a base and a heating element, wherein the brush head body comprises a brush head part, an accommodating cavity with an opening at one end is formed in the brush head body, the opening end of the accommodating cavity faces away from the brush head part, the base is positioned at the opening end of the brush head body and is detachably connected with the brush head body, the base comprises a bottom plate, at least two first conductive elements are arranged on the bottom plate and penetrate through the bottom plate, and the heating element is arranged in the accommodating cavity and is electrically connected with the first conductive elements. The electric toothbrush has the beneficial effects that the heating element is arranged in the accommodating cavity of the brush head body, and the bottom plate of the base is provided with the at least two first conductive elements connected with the inside and the outside of the accommodating cavity, so that the heating element can be electrically connected with the power supply in the electric toothbrush body through the at least two first conductive elements on the bottom plate, the brush head body is heated through heating after the heating element is electrified, the comfort of brushing teeth can be improved in the process of contacting teeth of the heated brush head body, the problem that the comfort of brushing teeth is poor under the conditions of cold weather and no hot water is solved, and the comfort of brushing teeth is improved. In an alternative embodiment, the accommodating cavity comprises a first cavity and a second cavity which are communicated, one end, far away from the first cavity, of the second cavity forms an opening end of the brush head body, the heating element comprises a heating part and a connecting wire, the heating part is located in the first cavity and is attached to the inner wall of the first cavity, and the connecting wire is located in the second cavity. The brush head has the beneficial effects that the heating part is attached to the inner wall of the first cavity, so that the brush head body tightly wraps the heating part, and the brush head body and the heating part have good heat conduction performance, so that the heating speed of the heating part on the brush head structure is ensured, and the second cavity provides enough accommodation space for the connecting wire, thereby facilitating the connection of the connecting wire in the assembly process of the brush head structure. In an alternative embodiment, the heating part comprises a heating head and a heating rod, the brush head body comprises a brush head and a brush head rod, the brush head rod comprises a first rod section and a second rod section, the first rod section is connected between the brush head and the second rod section, the second rod section corresponds to the second cavity, the heating head is matched with the shape of the brush head, and the heating rod is matched with the shape of the first rod section. The brush head has the beneficial effects that the heating part is provided with the heating head and the first rod section which are respectively matched with the shapes of the brush head part and the brush head rod part of the brush head body, so that the heating contact area can be increased, the heating rate is improved, the heating is ensured to realize the uniform heating of the brush head body, and the heating effect is further ensured. In an alternative embodiment, the brush head body is injection molded around the heat generating portion of the heating element; And/or, the base is coated on the outer periphery side of the first conductive piece in an injection molding way. The brush head has the