CN214318200U

CN214318200U - Be applied to electric toothbrush's transmission structure and electric toothbrush

Info

Publication number: CN214318200U
Application number: CN202120177777.0U
Authority: CN
Inventors: 王香兰
Original assignee: Chaozhou Lejiu Plastic Co ltd
Current assignee: Chaozhou Lejiu Plastic Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-01
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to the technical field of toothbrushes, in particular to a transmission structure applied to an electric toothbrush and the electric toothbrush, which comprises a first bevel gear and a second bevel gear; the first bevel gear comprises a plurality of gear teeth; all the gear teeth are centered on the shaft hole of the first bevel gear and are arranged at equal intervals along the circumferential direction of the outer wall of the first bevel gear; the gear teeth are arranged in an arc shape; tooth grooves are formed between every two adjacent gear teeth; the second bevel gear is in meshed transmission connection with the first bevel gear. The utility model has the advantages that the gear teeth are arranged into arc-shaped structures, so that the meshing performance between the first bevel gear and the second bevel gear can be increased, the bearing capacity of the electric toothbrush is improved, and the stability of the electric toothbrush is enhanced; in addition, the gear teeth with the arc-shaped structures are wear-resistant, the mechanical strength of the gear teeth can be increased, and the service life of the gear teeth is prolonged.

Description

Be applied to electric toothbrush's transmission structure and electric toothbrush

Technical Field

The utility model relates to a toothbrush technical field, concretely relates to be applied to electric toothbrush's transmission structure and electric toothbrush.

Background

The electric toothbrush has the advantages that the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation of an oral cavity and have a massage effect on gum tissues.

The electric toothbrush in the prior art has poor stability, and the transmission structure in the electric toothbrush is easy to have unstable and unsmooth phenomena in the process of brushing teeth, so that the using effect of a user is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the transmission structure among the electric toothbrush appear unstably easily, not smooth-going phenomenon takes place, influences user's result of use's technical problem, the utility model provides a technical scheme does:

the utility model provides a transmission structure applied to an electric toothbrush, which comprises a first bevel gear and a second bevel gear; the first bevel gear comprises a plurality of gear teeth; all the gear teeth are centered on the shaft hole of the first bevel gear and are arranged at equal intervals along the circumferential direction of the outer wall of the first bevel gear; the gear teeth are arranged in an arc shape; tooth grooves are formed between every two adjacent gear teeth; the second bevel gear is in meshed transmission connection with the first bevel gear.

Furthermore, the utility model provides an electric toothbrush, which adopts a transmission structure applied to the electric toothbrush, and also comprises a brush handle, a transverse transmission shaft and a longitudinal transmission shaft; the first bevel gear and the second bevel gear are both arranged inside the first end of the brush handle; the driven end of the transverse transmission shaft can rotatably penetrate through the brush handle; the first end of the longitudinal transmission shaft is arranged inside the brush handle; the axis of the transverse transmission shaft is vertical to the axis of the longitudinal transmission shaft; the driving end of the transverse transmission shaft is fixedly connected with the shaft hole of the first bevel gear; and the first end of the longitudinal transmission shaft is fixedly connected with the shaft hole of the second bevel gear.

Further, the device also comprises a handle, a motor, a power supply and a charging socket; the second end of the brush handle is fixedly connected with the handle; the motor and the power supply are arranged in the handle; the motor is in transmission connection with the second end of the longitudinal transmission shaft; the motor is electrically connected with the power supply; the power supply is electrically connected with the charging socket; a charging groove is formed in the handle; the charging socket is arranged in the charging groove.

Further, a switch button is arranged outside the handle; the switch button is electrically connected with the motor; the switch button can control the opening and closing of the motor.

The utility model has the advantages of or beneficial effect:

the utility model provides a transmission structure applied to an electric toothbrush, which comprises a first bevel gear and a second bevel gear; the first bevel gear comprises a plurality of gear teeth; all the gear teeth are centered on the shaft hole of the first bevel gear and are arranged at equal intervals along the circumferential direction of the outer wall of the first bevel gear; the gear teeth are arranged in an arc shape; tooth grooves are formed between every two adjacent gear teeth; the second bevel gear is in meshed transmission connection with the first bevel gear. The utility model has the advantages that the gear teeth are arranged into arc-shaped structures, so that the meshing performance between the first bevel gear and the second bevel gear can be increased, the bearing capacity of the electric toothbrush is improved, the stability of the electric toothbrush is enhanced, and the use effect of a user is improved; in addition, the gear teeth with the arc-shaped structures are wear-resistant, the mechanical strength of the gear teeth can be increased, and the service life of the gear teeth is prolonged.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic structural view of a first bevel gear and a second bevel gear in an electric toothbrush provided in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an electric toothbrush according to embodiment 1 of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

The transmission structure applied to the electric toothbrush provided by the embodiment 1 comprises a first bevel gear 1, a second bevel gear 2; the first bevel gear 1 comprises a plurality of gear teeth 11; all the gear teeth 11 take the shaft hole of the first bevel gear 1 as the center, and all the gear teeth 11 are arranged at equal intervals along the circumferential direction of the outer wall of the first bevel gear 1; the gear teeth 11 are arranged in an arc shape; tooth grooves are formed between every two adjacent gear teeth 11; the second bevel gear 2 is in meshed transmission connection with the first bevel gear 1. Because the transmission ratio between the arc-shaped gear teeth 11 is stable, the overlap coefficient is large, and the structure is compact, in this embodiment 1, the gear teeth 11 are configured to be arc-shaped structures, so that the engagement between the first bevel gear 1 and the second bevel gear 2 can be increased, the bearing capacity of the electric toothbrush is improved, the stability of the electric toothbrush is enhanced, and the use effect of a user is improved; in addition, the gear teeth 11 with the arc-shaped structure are wear-resistant, the mechanical strength of the gear teeth 11 can be increased, and the service life of the gear teeth 11 is prolonged.

In order to provide an electric toothbrush suitable for the transmission structure, embodiment 1 further provides an electric toothbrush, which adopts the transmission structure applied to the electric toothbrush, and further comprises a brush handle 3, a transverse transmission shaft 4 and a longitudinal transmission shaft 5; the first bevel gear 1 and the second bevel gear 2 are both arranged inside the first end of the brush handle 3; the driven end of the transverse transmission shaft 4 can rotatably penetrate through the brush handle 3; the first end of the longitudinal transmission shaft 5 is arranged inside the brush handle 3; the axis of the transverse transmission shaft 4 is vertical to the axis of the longitudinal transmission shaft 5; the driving end of the transverse transmission shaft 4 is fixedly connected with the shaft hole of the first bevel gear 1; the first end of the longitudinal transmission shaft 5 is fixedly connected with the shaft hole of the second bevel gear 2. In this embodiment 1, the driven end of the transverse transmission shaft 4 can be provided with a brush head or bristles, when brushing teeth, the longitudinal transmission shaft 5 drives the second gear to rotate, the first bevel gear 1 is driven by the second bevel gear 2 to rotate, and the brush head or bristles are driven to rotate, so that the function of cleaning teeth is realized.

In order to provide an electric mechanism suitable for the electric toothbrush provided in this embodiment 1, as shown in fig. 1, the electric mechanism further comprises a handle 6, a motor 7, a power supply 8 and a charging socket 9; the second end of the brush handle 3 is fixedly connected with the handle 6; the motor 7 and the power supply 8 are arranged in the handle 6; the motor 7 is in transmission connection with the second end of the longitudinal transmission shaft 5; the motor 7 is electrically connected with the power supply 8; the power supply 8 is electrically connected with the charging socket 9; a charging groove is formed on the handle 6; the charging socket 9 is arranged in the charging slot; a switch button 61 is arranged outside the handle 6; the switch button 61 is electrically connected with the motor 7; the switch knob 61 controls the opening and closing of the motor 7. In this embodiment 1, a user presses the switch button 61 to start the motor 7, the motor 7 drives the longitudinal transmission shaft 5 to rotate, the second bevel gear 2 is driven to rotate, and the first bevel gear 1 and the second bevel gear 2 rotate under the engagement action, so as to drive the brush head or the bristles to rotate. In this embodiment 1, the transverse transmission shaft 4 is disposed at one end of the brush holder 3, the transverse transmission shaft 4 can not only rotate simultaneously with the first bevel gear 1, but the transverse transmission shaft 4 also plays a role in supporting the first bevel gear 1; the charging socket 9 in the embodiment 1 is arranged at the charging slot of the handle 6, when the electric quantity of the electric toothbrush is exhausted, the charging socket 9 is inserted into a special charger to charge; in addition, one end of the handle 6 is planar, so that the electric toothbrush can be vertically placed after a user brushes the teeth, and the electric toothbrush is convenient to place.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A transmission structure applied to an electric toothbrush is characterized by comprising a first bevel gear and a second bevel gear;

the first bevel gear comprises a plurality of gear teeth; all the gear teeth are centered on the shaft hole of the first bevel gear and are arranged at equal intervals along the circumferential direction of the outer wall of the first bevel gear; the gear teeth are arranged in an arc shape; tooth grooves are formed between every two adjacent gear teeth; the second bevel gear is in meshed transmission connection with the first bevel gear.

2. An electric toothbrush, characterized in that the transmission structure of claim 1 applied to an electric toothbrush is employed; also comprises a brush handle, a transverse transmission shaft and a longitudinal transmission shaft;

the first bevel gear and the second bevel gear are both arranged inside the first end of the brush handle; the driven end of the transverse transmission shaft can rotatably penetrate through the brush handle; the first end of the longitudinal transmission shaft is arranged inside the brush handle;

the axis of the transverse transmission shaft is vertical to the axis of the longitudinal transmission shaft; the driving end of the transverse transmission shaft is fixedly connected with the shaft hole of the first bevel gear; and the first end of the longitudinal transmission shaft is fixedly connected with the shaft hole of the second bevel gear.

3. The electric toothbrush of claim 2, further comprising a handle, a motor, a power source, and a charging socket;

the second end of the brush handle is fixedly connected with the handle; the motor and the power supply are arranged in the handle; the motor is in transmission connection with the second end of the longitudinal transmission shaft; the motor is electrically connected with the power supply; the power supply is electrically connected with the charging socket;

a charging groove is formed in the handle; the charging socket is arranged in the charging groove.

4. The electric toothbrush according to claim 3, wherein an external portion of the handle is provided with a switch button; the switch button is electrically connected with the motor; the switch button can control the opening and closing of the motor.