CN215080076U

CN215080076U - Rotary electric toothbrush handle

Info

Publication number: CN215080076U
Application number: CN202120129238.XU
Authority: CN
Inventors: 胡汉生; 杨小华
Original assignee: Shenzhen Yabeikang Technology Co ltd
Current assignee: Shenzhen Yabeikang Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-10
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to a rotatory electric toothbrush handle, include: the core support is arranged in the handle hard rubber, a front inner buckle and a back inner buckle are arranged on the core support, a clamping structure is arranged in the handle hard rubber, and the core support and the handle hard rubber are fixed through the matching of the front inner buckle and the back inner buckle and the clamping structure; the sliding rod is provided with a sliding rail, the rotating wheel is provided with a bulge, the bulge is clamped in the sliding rail, and the sliding rod is sleeved on the rotating shaft. The utility model provides a handle of a rotary electric toothbrush, a core bracket and a handle hard rubber are fixed through a clamping structure and a positive and negative inner buckle, so that the stability of the core bracket and the handle hard rubber is ensured; in addition, the rotating wheel and the rotating shaft are connected and driven in a sliding rail mode, the traditional method of depending on a gear connection mode is overturned, and the structure greatly reduces the problem of large noise in use.

Description

Rotary electric toothbrush handle

Technical Field

The utility model relates to the technical field of toothbrushes, in particular to a rotary electric toothbrush handle.

Background

The rotatory electric toothbrush handle that prior art provided relies on gear connection's mode to connect the axis of rotation, and the noise is big when leading to the use usually, and the handle leaks easily, and the support of some electric toothbrush and the assembly of shell are unstable, can lead to the support directly to be pulled out from the shell when using, and above problem all brings not good experience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotatory electric toothbrush handle, it is big to have solved electric toothbrush noise when using, the fixed unstable problem of support.

In order to achieve the above object, the present invention provides the following technical solutions:

a rotary electric toothbrush handle comprising: the core support 8 is arranged in the handle hard rubber 6, a front inner buckle 15 and a back inner buckle 15 are arranged on the core support 8, a clamping structure is arranged in the handle hard rubber 6, and the core support 8 and the handle hard rubber 6 are fixed through the matching of the front inner buckle 15 and the back inner buckle 15;

the sliding rod 9 is provided with a sliding rail 14, the rotating wheel 11 is provided with a bulge, the bulge is clamped in the sliding rail 14, and the sliding rod 9 is sleeved on the rotating shaft 10.

Preferably, the protrusion is a cylinder, and the protrusion is tangent to the sliding rail 14 all the time.

Preferably, still be equipped with battery 1, motor 2 and PCB mainboard 3 on the core support 8, battery 1 and motor 2 all with PCB mainboard 3 is connected.

Preferably, the tail of the movement bracket 8 is provided with a receiving coil 4, and the receiving coil 4 is connected with the battery 1.

Preferably, the rotating wheel 11 is arranged in the motor 2 and connected with the motor 2.

Preferably, the handle structure further comprises a shaft cap 13, a handle rubber coating 5, a waterproof rubber ring 12 and a handle top cover 7, wherein the shaft cap 13 is arranged at the end part of the rotating shaft 10, and the handle rubber coating 5 is sleeved outside the handle hard rubber 6;

the handle top cover 7 is connected with the handle hard glue 6, and the waterproof rubber ring 12 is arranged between the handle top cover 7 and the handle hard glue 6.

Through implementing above technical scheme, have following technological effect: the utility model provides a handle of a rotary electric toothbrush, a core bracket and a handle hard rubber are fixed through a clamping structure and a positive and negative inner buckle, so that the stability of the core bracket and the handle hard rubber is ensured; in addition, the rotating wheel and the rotating shaft are connected and driven in a sliding rail mode, the traditional method of depending on a gear connection mode is overturned, and the structure greatly reduces the problem of large noise in use.

Drawings

Fig. 1 is a schematic structural view (exploded view) of a rotary electric toothbrush handle provided by the present invention;

FIG. 2 is a schematic view of a slide rail portion of a rotary electric toothbrush handle according to the present invention;

fig. 3 is a schematic structural view of the interior of the handle hard glue of the handle of the rotary electric toothbrush provided by the present invention.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed description of the embodiments provided in the present invention is provided with reference to the accompanying drawings.

Example one

As shown in fig. 1-3, it can be appreciated that the present embodiment provides a rotary electric toothbrush handle comprising: the core support 8 is arranged in the handle hard rubber 6, a front inner buckle 15 and a back inner buckle 15 are arranged on the core support 8, a clamping structure is arranged in the handle hard rubber 6, and the core support 8 and the handle hard rubber 6 are fixed through the matching of the front inner buckle 15 and the back inner buckle 15; the sliding rod 9 is provided with a sliding rail 14, the rotating wheel 11 is provided with a bulge, the bulge is clamped in the sliding rail 14, the sliding rod 9 is sleeved on the rotating shaft 10, and the rotating wheel 11 is arranged in the motor 2 and connected with the motor 2. The protrusions are cylindrical and are tangent to the slide rails 14 all the time.

In this embodiment, core support 8 installs in the handle ebonite 6, because when electric toothbrush uses, the toothbrush head can drive core support 8's vibrations, core support 8 is pulled out for preventing when using, as shown in fig. 3, the symmetry is equipped with elastic positive and negative interior knot 15 on the core support 8, be equipped with the screens structure in the handle ebonite 6, the cooperation is positive and negative interior knot 15, detains handle top cap 7 that goes into again reaction force screens structure and core support 8 interior knot fastening to reach the design effect that non-destructive can't unpack apart, can also strengthen the seal like this.

In this embodiment, for the noise when reducing the use, set up the structure of slide rail 14, it is concrete, as shown in fig. 2, runner 11 with motor 2 connects, and motor 2 moves and drives runner 11 rotates, be equipped with the arch of a cylinder on runner 11, the arch also rotates along with runner 11's rotation, protruding card is established in slide rail 14, and bellied rotation drives slide rail 14's swing drives the swing of slide bar 9 thereupon, realizes electric toothbrush's rotation and swing, has overturned the traditional method that relies on the gear hookup mode, and this structure case has greatly reduced the problem that the noise is bigger when using. In this embodiment, the protrusion is a cylinder, the protrusion is tangent to the sliding rail 14 all the time, the stress surface is a tangent plane single point stress all the time, the rotating wheel 11 moves back and forth on the sliding rail 14 while the sliding rail 14 moves circumferentially along the rotating direction of the rotating wheel 11 during operation, the overall performance is not affected regardless of the forward rotation or the reverse rotation of the rotating wheel 11, and the design is flexible and ingenious. In other embodiments, the protrusions may also be shaped as cones or the like.

Example two

As shown in fig. 1, in the handle of the rotary electric toothbrush provided by this embodiment, a battery 1, a motor 2 and a PCB main board 3 are further disposed on the movement bracket 8, and the battery 1 and the motor 2 are both connected to the PCB main board 3. The tail of the movement bracket 8 is provided with a receiving coil 4, and the receiving coil 4 is connected with the battery 1. The handle is characterized by further comprising a shaft cap 13, a handle rubber coating 5, a waterproof rubber ring 12 and a handle top cover 7, wherein the shaft cap 13 is arranged at the end part of the rotating shaft 10, and the handle rubber coating 5 is sleeved outside the handle hard rubber 6; the handle top cover 7 is connected with the handle hard glue 6, and the waterproof rubber ring 12 is arranged between the handle top cover 7 and the handle hard glue 6.

In this embodiment, receiving coil 4 is connected with battery 1, realizes wireless charging for battery 1 through receiving coil 4, PCB mainboard 3 is controlled each item function of whole electric toothbrush handle structure, and the axle cap 13 cover is established and is protected it at the axis of rotation 10 tip, and handle rubber coating 5 covers outside handle ebonite 6, is the protection to handle ebonite 6 on the one hand, and on the other hand is when the convenience of customers uses, increases the friction and the compliance of handle. The handle top cover 7 is sleeved on the handle hard rubber 6 to complete the assembly of the whole handle, and a waterproof rubber ring 12 is arranged between the handle and the handle, so that the functional parts of the handle can be prevented from being damaged due to water leakage into the handle in use.

The above detailed description is made on the rotary electric toothbrush handle provided by the embodiment of the present invention, and to the general technical personnel in the field, there are changes on the concrete implementation and application scope according to the idea of the embodiment of the present invention, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A rotary electric toothbrush handle, comprising: the handle hard rubber comprises a core support (8), handle hard rubber (6), a rotating wheel (11), a rotating shaft (10) and a sliding rod (9), wherein the core support (8) is arranged in the handle hard rubber (6), a front inner buckle and a back inner buckle (15) are arranged on the core support (8), a clamping structure is arranged in the handle hard rubber (6), and the core support (8) and the handle hard rubber (6) are fixed through the matching of the front inner buckle and the back inner buckle (15) and the clamping structure;

the sliding rod (9) is provided with a sliding rail (14), the rotating wheel (11) is provided with a bulge, the bulge is clamped in the sliding rail (14), and the sliding rod (9) is sleeved on the rotating shaft (10).

2. The rotary electric toothbrush handle according to claim 1, characterized in that the protrusions are cylindrical, the protrusions being always tangential to the sliding track (14).

3. The handle of the rotary electric toothbrush according to claim 1, wherein the core bracket (8) is further provided with a battery (1), a motor (2) and a PCB main board (3), and the battery (1) and the motor (2) are both connected with the PCB main board (3).

4. A rotary electric toothbrush handle according to claim 3, characterized in that the end of the core support (8) is provided with a receiving coil (4), and the receiving coil (4) is connected with the battery (1).

5. A rotary electric toothbrush handle according to claim 3, characterized in that the turning wheel (11) is arranged inside the motor (2) and connected to the motor (2).

6. The rotary electric toothbrush handle according to claim 1, further comprising a shaft cap (13), a handle overmold (5), a waterproof rubber ring (12), and a handle cap (7), wherein the shaft cap (13) is disposed at an end of the rotating shaft (10), and the handle overmold (5) is sleeved outside the handle hard rubber (6);

the handle top cover (7) is connected with the handle hard rubber (6), and the waterproof rubber ring (12) is arranged between the handle top cover (7) and the handle hard rubber (6).