WO2009046571A1 - Head of electric toothbrush and electric toothbrush - Google Patents

Abstract

A head (2) of an electric toothbrush, includes a rotating shaft (22) mounted in the house (21) and some bristle slices (231) mounted on the rotating shaft (22). The bristles are made into slices, which sheathe around the rotating shaft (22) piece by piece.

Description

 Electric toothbrush head and electric toothbrush

 The present invention relates to the field of electric toothbrushes, and more particularly to a brush head for an electric toothbrush and an electric toothbrush using the same.

Background technique

 The existing electric toothbrush head can be divided into two types: a flat type and a rotary type. The flat type brush head is similar to the ordinary toothbrush head structure. The rotary type brush head is mounted on the rotating shaft for one week, and the motor is driven to rotate the bristles. To achieve the effect of cleaning the teeth. It has been proved that the rotary brush head is more convenient, comfortable and thoroughly cleaned, and is the development direction of the future electric toothbrush.

 The existing rotary brush head mainly has two structures, a planting type and a twisting type. The planting type is to directly fix the bristles on the rotating shaft, as disclosed in Chinese Patent No. ZL01229207.9. The disadvantages of this structure are high manufacturing costs, low production efficiency, and easy hair removal. The structure of the twisted structure is as designed in Chinese Patent No. ZL02255022.4. The bristles are twisted together by two wires to form a brush structure. Although this structure overcomes the disadvantages of high cost of planting and easy hair removal, its low bristle density and poor cleaning effect are recognized disadvantages.

Summary of the invention

 SUMMARY OF THE INVENTION The object of the present invention is to overcome the deficiencies of the prior art and to design a brush head having a high brush density and a simple manufacturing and an electric toothbrush thereof.

It is a further object of the present invention to provide a brush head and an electric toothbrush that can be flexibly related to the structure and shape of the bristles. In order to achieve the above object, the present invention discloses the following technical solution: A brush head of an electric toothbrush, the structure comprising a rotating shaft installed in the housing and a plurality of bristle sheets mounted on the rotating shaft. The bristles are made into a sheet-like structure, and then spliced one by one and then rotated on the shaft, which can flexibly adjust the density of the bristles and improve the cleaning effect. And the bristle flakes can be mass-produced into standard parts for installation and installation by machine.

 At least part of the rotating shaft has a non-circular cross section, and the bristle flakes are provided with shaft holes corresponding to the shapes thereof, and are sequentially sleeved on the rotating shaft.

 A plurality of pieces of silica gel are also mounted on the rotating shaft, and the periphery of the silicon plate is zigzag, and a shaft hole corresponding to the cross-sectional shape of the rotating shaft is arranged in the middle, and is mixed with the brush flakes on the rotating shaft. The serrated silicone sheet improves the cleaning effect.

 Generally, 1 to 6 pieces of bristles are mounted between every two pieces of silicone sheet, which can be set according to the specific brush head cleaning effect or personal preference.

 The bristle sheet or the silica gel sheet is generally circular or elliptical or a regular polygon, and can be formed into other shapes according to actual needs, which is not achievable by the existing brush head structure.

 The brush head of another structure comprises a rotating shaft installed in the casing and a plurality of silicon plate pieces mounted on the rotating shaft, wherein at least part of the rotating shaft has a non-circular cross section, and the axial direction of the silicon alloy piece is provided with a shaft hole corresponding to the shape thereof. Sleeve on the shaft in turn.

 An electric toothbrush using the above brush head comprises an electric handle and a brush head. The brush head comprises a rotating shaft mounted in the casing and a plurality of bristle sheets mounted on the rotating shaft, and one end of the rotating shaft is connected to the driving end of the electric handle.

Naturally, a plurality of pieces of silica gel sheets can be mounted on the rotating shaft, and the periphery of the silicon sheet is zigzag-shaped, and is mixed with the brush sheets on the rotating shaft. An electric toothbrush adopting the above other brush head, comprising an electric handle and a brush head, wherein the brush head comprises a rotating shaft installed in the casing and a plurality of silicon plates mounted on the rotating shaft, wherein at least part of the rotating shaft has a cross section Non-circular, the middle of the silica gel plate is provided with a shaft hole corresponding to the shape thereof, and is sequentially sleeved on the rotating shaft, and one end of the rotating shaft is connected with the driving end of the electric handle.

 In the longitudinal direction, the brush head designed by the invention and the electric toothbrush using the brush head have the advantages of flexibly adjusting the density and type of the brush to meet the needs of the crowd, such as adults and children, which should use brushes of different density and hardness. head. The shape of the bristles can be designed into different shapes to suit the actual situation of different mouths and coggings, and it is more comfortable to use and cleaner. Moreover, it is capable of high efficiency, high volume, low cost production and is competitive in the market. Therefore, the design has outstanding substantive features and progress over the prior art.

DRAWINGS

 Figure 1 is an exploded view of the structure of the electric toothbrush;

 2 is a schematic structural view of an electric toothbrush handle;

 Figure 3 is a cross-sectional view of Figure 2;

 Figure 4 is a schematic view showing the structure of an electric toothbrush head;

 Figure 5 is an exploded view of the structure of the electric toothbrush head;

 Figure 6 is a schematic structural view of the first embodiment of the brush sheet;

 Figure 7 is a schematic view showing the structure of the second embodiment of the brush sheet;

 Figure 8 is a schematic structural view of a silica gel sheet;

 Figure 9 is a schematic view showing the first combined structure of the electric toothbrush head;

 Figure 10 is a schematic view showing a second combined structure of the electric toothbrush head;

Figure U is a schematic view of a third combined structure of the electric toothbrush head. detailed description

 The invention will be further described below in conjunction with the accompanying drawings.

 1 is a structural exploded view of an electric toothbrush, the structure of which mainly includes a two-part structure of an electric handle 1 and a replaceable brush head 2. The electric handle 1 includes a housing 11, a motor 12 and a battery 13 mounted in the housing 11. The motor 12 is used to drive the drive shaft 14 to rotate, and a control circuit board 15 is provided for control. The motor 12, the battery 13, the drive shaft 14 and the control circuit board 15 are mounted inside the casing 11 by the support structure 16. The outer casing 11 is provided with waterproof structures 18 and 19, and the waterproof control button 17 is in contact with the control circuit board 15 through the waterproof structure 18.

 The structure of the handle after installation is as shown in Fig. 2. From the external structure, the waterproof structures 18 and 19 can seal the structural mounting portion of the outer casing 11 to prevent short-circuit caused by water leakage. The waterproof control button 17 is placed at the appropriate position of the handle 1 for manual operation. The drive shaft 14 is passed out of the front end of the casing 11 for driving the brush head 2. The mounting relationship between the motor 12, the battery 13, the drive shaft 14, the circuit board 15, the support structure 16, and the water control button 17 can be seen in detail in conjunction with FIG.

 It can also be seen from Fig. 1 that the structure of the brush head 2 includes a housing 21, a rotating shaft 11 mounted in the housing 21, and a plurality of brush sheets or silicone sheets 23 mounted on the rotating shaft 22. The structure after the mounting is as shown in Fig. 4. The upper end portion of the casing 21 is open to expose a portion of the bristle sheet or the silicone sheet 23, and the lower end is the connection position of the rotating shaft 22 and the driving shaft 14.

A more detailed structure can be seen from the structural exploded view of FIG. 5, the housing 21 includes a detachable first portion 211 and a second portion 212, and the first portion 211 is provided with two shaft limiting blocks 213 for mounting and positioning the shaft twenty two. The lower end of the rotating shaft 22 is provided with a driving port 222 In cooperation with the driving shaft 14, a rotating positioning block 223 is disposed in the middle corresponding to the rotating shaft limiting block 213, and the upper end 221 is partially non-circular for mounting the bristle sheet or the silica sheet 23. The brush flakes or silica gel sheet 23 comprises a total of 12 bristle sheets 231 and two silica sheets 232, each of which is separated by a silica sheet 232.

 The detailed structure of the bristle sheet 231 may be circular, as shown in Fig. 6, or a regular hexagon, as shown in Fig. 7, or other shapes. The silicone sheet 232 is a circular sheet having a zigzag shape around it, and of course, it can have other shapes. A shaft hole having a shape matching the shape of the upper end 221 of the rotary shaft 22 is provided between the brush sheet 231 and the silicone sheet 232, and is fitted over the rotary shaft 22.

 The brush sheet 231 and the silica sheet 232 may have other arrangements in addition to the above-described arrangement, as shown in Figs. The arrangement of all of the bristle sheets 231 is as shown in FIG. The structure in which the brush sheet 231 and the silica sheet 232 are mixed and arranged is as shown in FIG. Or an arrangement consisting entirely of silica gel sheets 232, as shown in FIG. In addition to the above structure, the number, arrangement, and density of the bristle sheet 231 and the silica sheet 232 can be adjusted according to actual needs.

 As described above, the brush head of the electric toothbrush designed by the present invention can be flexibly designed according to the actual use, and the density of the bristles is high and adjustable. The brush flakes and silica gel sheets can be made into a standard structure with a variety of shapes, which can be freely matched, to achieve a variety of different functions and to adapt to different oral structures. It has outstanding substantive features and progress compared to the prior art.

Claims

 Claims  A brush head for an electric toothbrush, comprising: a rotating shaft mounted in the housing and a plurality of bristle sheets mounted on the rotating shaft.  A brush head for an electric toothbrush according to claim 1, wherein at least a part of the shaft has a non-circular cross section, and a shaft hole corresponding to the shape is provided in the middle of the brush sheet, and is sequentially sleeved on the rotating shaft.  The brush head of the electric toothbrush according to claim 2, wherein the rotating shaft is further provided with a plurality of silicon wafers, the periphery of the silicon wafer is zigzag, and a shaft hole corresponding to the cross-sectional shape of the rotating shaft is arranged in the middle, and The bristle sheet is mixed and sleeved on the rotating shaft.  A brush head for an electric toothbrush according to claim 3, wherein 1 to 6 pieces of bristles are mounted between every two sheets of silicon film.  A brush head for an electric toothbrush according to claim 4, wherein said bristle sheet or silicone sheet has a circular or elliptical shape or a regular polygon.  7. A brush head for an electric toothbrush, comprising: a rotating shaft mounted in the housing and a plurality of silicon wafers mounted on the rotating shaft, wherein at least part of the rotating shaft has a non-circular cross section, and the silicone sheet is provided with a shape in the middle thereof The corresponding shaft holes are sequentially sleeved on the rotating shaft.  8. An electric toothbrush comprising an electric handle and a brush head, characterized in that the brush head comprises a rotating shaft mounted in the housing and a plurality of bristle sheets mounted on the rotating shaft, and one end of the rotating shaft is connected to the driving end of the electric handle.  The electric toothbrush according to claim 8, wherein the rotating shaft is further provided with a plurality of pieces of silica gel sheets, and the periphery of the silicon sheet is zigzag-shaped, and is mixed with the brush sheets to be sleeved on the rotating shaft. 10. An electric toothbrush comprising an electric handle and a brush head, characterized in that the brush head comprises an a rotating shaft mounted in the casing and a plurality of silica gel sheets mounted on the rotating shaft, wherein at least part of the rotating shaft has a non-circular cross section, and the axial direction of the silica gel sheet is provided with a shaft hole corresponding to the shape thereof, and is sequentially sleeved on the rotating shaft, and one end of the rotating shaft Connected to the drive end of the electric handle.