ELECTRIC TOOTHBRUSH
First Claim
1. An electric toothbrush, comprising a handle and a brush head, a motor being arranged in the handle, a transmission rod being arranged in the brush head, the motor being provided with a rotating shaft, the rotating shaft extending from a casing of the motor, a transmission connection member being arranged between the transmission rod and the rotating shaft of the motor, one end of the transmission connection member being connected with the rotating shaft, the other end being connected with the transmission rod, and a sealing member surrounding the rotating shaft being arranged at the rotating shaft extending position of the outer surface of the casing, wherein the sealing member extends from the outer surface of the casing of the motor to the transmission connection member, and a gap between the inside of the sealing member and the rotating shaft constitutes a first cavity;
- an end face, facing the rotating shaft, of the transmission connection member and the outer surface of the sealing member form rotatory sealing connection;
a second cavity is formed between the sealing member and a sleeving cavity of the transmission connection member.
1 Assignment
0 Petitions
Accused Products
Abstract
A electric toothbrush comprises a handle and a brush head. A motor is arranged in the handle and a transmission rod is arranged in the brush head. The motor has a rotating shaft, which extends from a casing of the motor. A transmission connection member is arranged between the transmission rod and the rotating shaft of the motor, one end of the transmission connection member is connected with the rotating shaft, the other end is connected with the transmission rod. A sealing member surrounding the rotating shaft is arranged at the rotating shaft extending position of the outer surface of the casing. The sealing member extends from the outer surface of the casing of the motor to the transmission connection member, and a gap between the inside of the sealing member and the rotating shaft constitutes a first cavity. A second cavity is formed between the sealing member and a sleeving cavity of the transmission connection member.
-
Citations
15 Claims
-
1. An electric toothbrush, comprising a handle and a brush head, a motor being arranged in the handle, a transmission rod being arranged in the brush head, the motor being provided with a rotating shaft, the rotating shaft extending from a casing of the motor, a transmission connection member being arranged between the transmission rod and the rotating shaft of the motor, one end of the transmission connection member being connected with the rotating shaft, the other end being connected with the transmission rod, and a sealing member surrounding the rotating shaft being arranged at the rotating shaft extending position of the outer surface of the casing, wherein the sealing member extends from the outer surface of the casing of the motor to the transmission connection member, and a gap between the inside of the sealing member and the rotating shaft constitutes a first cavity;
- an end face, facing the rotating shaft, of the transmission connection member and the outer surface of the sealing member form rotatory sealing connection;
a second cavity is formed between the sealing member and a sleeving cavity of the transmission connection member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- an end face, facing the rotating shaft, of the transmission connection member and the outer surface of the sealing member form rotatory sealing connection;
Specification