Silicone Vibration Electric Toothbrushes

Background technique:

When the electric toothbrush is in use, the rotation of the motor drives the motor bracket for fixing the motor to swing. Under the swing of the motor bracket, the brush head closely matched with the motor bracket also swings, and drives the bristles at one end of the brush head to occur. High frequency swing, when brushing teeth, the high frequency swing of the bristles makes the bristles swing back and forth to clean the teeth, thereby improving the efficiency of brushing teeth. Due to the high-speed operation of the motor, the body shell of the electric toothbrush generates no small vibration. It affects the user's experience and generates a lot of noise.

Technical realization elements:

The purpose of the utility model is to provide a stable and vibrating electric toothbrush to solve at least one of the above technical problems.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

An electric toothbrush with stable vibration includes an electric toothbrush. The electric toothbrush includes a housing. A motor is provided in the housing. The motor is provided in a motor bracket. A rotating shaft of the motor is connected to a drive The connecting piece for the movement of the motor bracket is characterized in that the connecting piece includes a flexible connecting rod and an eccentric pendulum that drives the brush head, the eccentric pendulum is elongated, and the cross section of the eccentric pendulum A semicircular shape, one end of the eccentric pendulum is connected to the connecting rod, and the other end of the eccentric pendulum is connected to the front of the motor bracket;

A groove is provided on the connecting rod, and the groove is provided on a side away from the center of gravity of the eccentric pendulum;

The motor bracket is arranged in the middle of the casing, and a set of battery brackets in the shape of a circular tube on the outside of the battery is provided in the lower part of the casing, and a silicone rubber is provided between the motor bracket and the battery bracket The buffer member is cylindrical.

The front part of the connecting rod is connected to one end of the eccentric pendulum, the rear part of the connecting rod is provided with a slot for inserting the rotating shaft of the motor, and a slot is provided on the inner wall of the slot A key slot is provided on the rotating shaft of the motor, a lower part of a key is embedded in the key slot, and an upper part of the key is embedded in the clamping slot.

The diameter of the front portion of the connecting rod is larger than the diameter of the rear portion of the connecting rod. One side of the connecting rod close to the eccentric pendulum is taken as the front, and the other side of the connecting rod close to the rotating shaft of the motor is taken as the rear.

A strip-shaped protrusion is provided at the rear of the connecting rod, the strip-shaped protrusions are arranged on the surface of the connecting rod in a ring shape, and the center axis of the strip-shaped protrusion and the center of the connecting rod The axes are on the same straight line.

The front part of the eccentric pendulum is provided with a plate-shaped body with a circular cross-section, and a cylinder for transmission is arranged in the middle of the plate-shaped body, and one end of the cylinder is fixed to the plate-shaped body On the other hand, the other end of the cylinder is fixed to the front of the motor bracket, and the central axis of the cylinder is on the same straight line as the central axis of the connecting rod.

In use, the rotation of the motor drives the connecting rod to rotate together, and the connecting rod drives the eccentric pendulum to rotate. The eccentric pendulum generates a swing under the action of centrifugal force, and is connected to the front of the eccentric pendulum under the inertia effect of the swing of the eccentric pendulum The motor bracket swings, driven by the swing of the motor bracket, the brush head that closely cooperates with the motor bracket also swings, and drives the bristles at one end of the brush head to swing at a high frequency. When brushing teeth, the high frequency of the bristles swings, making The bristles oscillate back and forth on the teeth for cleaning, thereby improving the efficiency of brushing teeth.

The utility model optimizes the transmission structure of the original electric toothbrush. Through this design, dynamic balance compensation is added, and the groove provided on the side away from the center of gravity of the eccentric pendulum is used as the dynamic balance compensation, thereby reaching the connecting piece It is more stable during high-speed operation; the buffer between the motor bracket and the battery bracket is used to reduce the shock feeling at the rear of the case, and to achieve a mute effect, which improves the user's experience.

BRIEF DESCRIPTION

Figure 1 is a schematic sectional view of a part of the structure of the utility model;

FIG. 2 is a schematic diagram of a part of the structure of the connector of the present invention.

detailed description

The specific implementation of the present invention will be further described below with reference to the drawings.

As shown in FIGS. 1 and 2, a stable and vibrating electric toothbrush includes an electric toothbrush. The electric toothbrush includes a housing 1, a motor 2 is disposed in the housing, the motor is disposed in a motor bracket 5, and the rotation shaft of the motor is connected A connecting piece for driving the movement of the motor bracket, the connecting piece includes a flexible connecting rod 3, an eccentric pendulum 4 for driving the brush head, the eccentric pendulum is elongated, and the cross section of the eccentric pendulum is semicircular , One end of the eccentric pendulum is connected to the connecting rod, and the other end of the eccentric pendulum is connected to the front of the motor bracket; the connecting rod is provided with a groove 8 which is arranged on the side away from the center of gravity of the eccentric pendulum; the motor bracket It is arranged in the middle of the casing, and a set of battery support 6 in the shape of a circular tube on the outside of the battery is provided in the lower part of the casing, and a buffer member 7 made of silicone is arranged between the motor support and the battery holder, and the buffer member is cylindrical . The utility model optimizes the transmission structure of the original electric toothbrush, and uses the groove provided on the side away from the center of gravity of the eccentric pendulum as the compensation of the dynamic balance, so as to achieve a smoother connection piece during high-speed operation; The buffer between the battery brackets reduces the shock sensation at the rear of the case, and achieves a mute effect, which improves the user's experience.

The front part of the connecting rod is connected to one end of the eccentric pendulum. The rear part of the connecting rod is provided with a slot for inserting the rotating shaft of the motor. A slot is provided on the inner wall of the slot. A key slot is provided on the rotating shaft of the motor. The lower part of a key is embedded, and the upper part of the key is embedded in the card slot. Furthermore, the rotating shaft of the motor is linked with the connecting rod to ensure a better transmission effect, and at the same time, it is easy to replace.

In order to ensure a better swinging effect, the diameter of the front of the connecting rod is larger than the diameter of the rear of the connecting rod. One side of the connecting rod close to the eccentric pendulum is taken as the front, and the other side of the connecting rod close to the rotating shaft of the motor is taken as the rear. The rear part of the connecting rod is provided with a strip-shaped protrusion, and the strip-shaped protrusions are arranged on the surface of the connecting rod in a ring shape, and the central axis of the strip-shaped protrusion and the central axis of the connecting rod are on the same straight line. The eccentric pendulum adopts a metal eccentric pendulum made of metal. The front part of the eccentric pendulum is provided with a plate-shaped body with a circular cross-section, the middle of the plate-shaped body is provided with a cylinder for transmission, one end of the cylinder is fixed on the plate, and the other end of the cylinder Fixed to the front of the motor bracket, the central axis of the cylinder is on the same straight line as the central axis of the connecting rod. In use, the rotation of the motor drives the connecting rod to rotate together, and the connecting rod drives the eccentric pendulum to rotate. The eccentric pendulum generates a swing under the action of centrifugal force, and is connected to the front of the eccentric pendulum under the inertia effect of the swing of the eccentric pendulum The motor bracket swings, driven by the swing of the motor bracket, the brush head that closely cooperates with the motor bracket also swings, and drives the bristles at one end of the brush head to swing at a high frequency. When brushing teeth, the high frequency of the bristles swings, making The bristles oscillate back and forth on the teeth for cleaning, thereby improving the efficiency of brushing teeth.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation of the present invention. After a person skilled in the art reads the above, various modifications and substitutions to the present invention will be apparent. Therefore, the protection scope of the present invention should be defined by the appended claims.

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