CN-224206917-U - Machine body and electric toothbrush

Abstract

The utility model relates to the technical field of electric toothbrushes, and provides a machine body and an electric toothbrush, which comprise a shell, a containing cavity, a sheet body, a pressing part, a containing space and a window, wherein the containing cavity is positioned in the shell and is used for containing a motor; the sheet body covers and seals the window, and the accommodating space is positioned on a deformation path of the pressing part when the pressing part is pressed down.

Inventors

• YANG YANXI
• HONG JIADONG
• WU FENGYUN
• ZHANG YUJUN

Assignees

• 深圳市欣智旺电子有限公司

Dates

Publication Date

20260508

Application Date

20250414

Claims (20)

1. 1. The machine body is characterized by comprising a shell, a containing cavity, a sheet body, a pressing part, a containing space and a window, wherein the containing cavity is positioned in the shell and used for containing a motor, the sheet body is provided with a mounting hole, the pressing part is filled and fixed in the mounting hole and is flexible, the containing space is arranged in the containing cavity and used for containing a motor control button, the window is formed in the side wall of the containing cavity and communicated with the containing cavity, the sheet body covers and seals the window, and the containing space is positioned on a deformation path of the pressing part when being pressed down.
2. 2. The body of claim 1, wherein the mounting hole has a first step on an inner wall thereof, and the flexible push portion has a second step on an edge thereof that engages the first step.
3. 3. The machine body according to claim 1, wherein the sheet body is an integral piece made of bendable materials, an annular positioning groove extending along the edge of the window is formed in the inner wall of the window, the edge of the sheet body is bent and can be inserted into the annular positioning groove, and the sheet body is adhered and fixed on the side wall of the annular positioning groove.
4. 4. The fuselage of claim 3 wherein a first gap exists between the tab and the bottom of the annular detent and a second gap exists between the tab and the edge of the annular detent, the first gap being greater than the second gap.
5. 5. The fuselage of claim 1 wherein the edges of the sheets are secured to the edges of the window by sealant bonding.
6. 6. The body of claim 5, wherein the sealant is a waterproof foam.
7. 7. The body of claim 1, wherein the button is a unitary piece of thermoplastic polyurethane.
8. 8. The airframe as recited in claim 1, wherein said sheet is a transparent sheet.
9. 9. The fuselage of claim 8 wherein the sheet is a polycarbonate sheet.
10. 10. The machine body according to any one of claims 1 to 9, further comprising a bracket arranged in the accommodating cavity, a motor arranged on the bracket and provided with an output shaft, an output hole formed on the side wall of the accommodating cavity and used for the output shaft of the motor to pass through, and a motor control button arranged on the bracket and electrically connected with the motor, wherein the motor control button is positioned in the accommodating space, and the output shaft passes through the output hole to the outside of the accommodating cavity.
11. 11. The fuselage of claim 10 wherein the shell is an integral piece extruded from an aluminum alloy block and has a tapered portion formed by spinning, the output Kong Kaishe being on the tapered portion.
12. 12. The body of claim 10, wherein the receiving cavity is a duct formed in the housing and extending in a straight line, a first chute extending along the duct is formed in an inner wall of the duct, a second chute extending along the duct is formed in an inner wall of the duct, the bracket is capable of entering the duct through a first end of the duct, a second end of the duct is communicated with the output hole, one end of the bracket is slidably arranged in the first chute, and the other end of the bracket is slidably arranged in the second chute.
13. 13. The body of claim 12, further comprising a seal, wherein a gap between the bracket and the inner wall of the tunnel is sealed by the seal.
14. 14. The fuselage of claim 13 wherein the seal has a first seal ring portion, a first annular flange on the inner wall of the second end of the tunnel, a second annular flange on the bracket, and the first seal ring portion sandwiched between the first and second annular flanges in the direction of extension of the tunnel.
15. 15. The fuselage of claim 14 wherein the number of first annular flanges is a plurality, the number of second annular flanges is a plurality, the number of first seal ring portions is a plurality, and the plurality of first annular flanges, the plurality of first seal ring portions, and the plurality of second annular flanges are in one-to-one correspondence.
16. 16. The fuselage of claim 14 wherein the seal has a second seal ring portion, the support is sleeved with a second seal ring portion, the second seal ring portion seals a gap between the support and an inner wall of the tunnel in a radial direction of the tunnel, and at least one first seal ring portion is disposed on each side of the second seal ring portion in an extending direction of the tunnel.
17. 17. The body of claim 16, wherein the inner wall of the first annular flange in contact with the first sealing ring part is an annular plane surface formed by extending a T-shaped tool of a numerical control machine tool into the pore canal; And/or the inner wall of the pore canal, which is contacted with the second sealing ring part, is a cylindrical surface which is formed by extending a T-shaped cutter of a numerical control machine tool into the pore canal for processing.
18. 18. The body of claim 12, wherein a first positioning slot is provided on an inner wall of the tunnel, and a first hook is provided on the bracket and is engaged in the first positioning slot.
19. 19. The machine body of claim 12, further comprising a cover for sealing the first end of the duct, wherein a second positioning groove formed by processing a T-shaped cutter of a numerical control machine tool is arranged on the inner wall of the duct in a surrounding mode, and a second clamping hook clamped in the second positioning groove is arranged on the cover.
20. 20. An electric toothbrush comprising a body as claimed in any one of claims 10 to 19 and a brush located outside the housing, the brush being disposed on the output shaft.

Description

Machine body and electric toothbrush Technical Field The utility model belongs to the technical field of electric toothbrushes, and particularly relates to a machine body and an electric toothbrush. Background Electric toothbrushes have become a frequently used tool in modern life. Please refer to the Chinese patent, the name is a shockproof and silent machine body, the publication number is CN105455913A, the publication date is 2016-04-06, the electric toothbrush is usually provided with a motor (namely, the motor) which is usually provided with a motor output shaft, a brush for brushing teeth is arranged on the output shaft, and the brush can be driven to move when the motor output shaft moves. The start and stop of the motor is typically controlled by a motor control button. The existing motor control button is just like CN105455913A is arranged in the assembly hole on the machine shell, external moisture easily enters the cutter machine shell from the assembly hole, and the service life of the electric toothbrush is seriously influenced. The motor can also be referred to as the Chinese patent, the name of the motor is a bidirectional sound wave motor and a machine body, the bulletin number is CN219678300U, and the publication date is 2023-09-12. Disclosure of utility model The utility model aims to provide a machine body and an electric toothbrush, which are used for solving the technical problem that external moisture is easy to enter a machine shell from an assembly hole of a control button in the prior art. The machine body comprises a shell, a containing cavity, a sheet body, a pressing part, a containing space and a window, wherein the containing cavity is positioned in the shell and used for containing a motor, the sheet body is provided with a mounting hole, the pressing part is filled and fixed in the mounting hole and is flexible, the containing space is arranged in the containing cavity and used for containing a motor control button, the window is formed in the side wall of the containing cavity and communicated with the containing cavity, the sheet body covers and seals the window, and the containing space is positioned on a deformation path of the pressing part when pressed. Further, the inner wall of the mounting hole is provided with a first step, and the edge of the flexible pressing part is provided with a second step meshed with the first step. The sheet body is an integral piece made of bendable materials, an annular positioning groove extending along the edge of the window is formed in the inner wall of the window, the edge of the sheet body is bent and can be inserted into the annular positioning groove, and the sheet body is fixedly adhered to the side wall of the annular positioning groove. Further, a first gap exists between the sheet body and the bottom of the annular positioning groove, a second gap exists between the sheet body and the edge of the annular positioning groove, and the first gap is larger than the second gap. Further, the edge of the sheet body is adhered and fixed on the edge of the window through sealant. Further, the sealant is waterproof foam glue. Further, the button is an integral piece made of thermoplastic polyurethane. Further, the sheet body is a transparent sheet. Further, the sheet body is a polycarbonate sheet. Further, the motor control device also comprises a bracket arranged in the accommodating cavity, a motor which is arranged on the bracket and provided with an output shaft, an output hole which is arranged on the side wall of the accommodating cavity and used for the output shaft of the motor to pass through, and a motor control button which is arranged on the bracket and electrically connected with the motor; the motor control button is positioned in the accommodating space, and the output shaft passes through the output hole to the outside of the accommodating cavity. Further, the shell is an integral piece formed by extruding an aluminum alloy block, the shell is provided with a conical portion formed by a spinning mode, and the output Kong Kaishe is arranged on the conical portion. The accommodating cavity is a duct which is arranged on the shell and extends along a straight line, a first chute which extends along the duct is arranged on the inner wall of the duct, a second chute which extends along the duct is arranged on the inner wall of the duct, the bracket can enter the duct through the first end of the duct, the second end of the duct is communicated with the output hole, one end of the bracket is arranged in the first chute in a sliding mode, and the other end of the bracket is arranged in the second chute in a sliding mode. Further, the device also comprises a sealing element, and a gap between the bracket and the inner wall of the pore canal is sealed by the sealing element. Further, the sealing piece is provided with a first sealing ring part, a first annular flange is arranged on the inner wall of the second end of the pore cana