CN217696937U - Novel waterproof construction and electric toothbrush of electric toothbrush - Google Patents
Novel waterproof construction and electric toothbrush of electric toothbrush Download PDFInfo
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- CN217696937U CN217696937U CN202221332378.8U CN202221332378U CN217696937U CN 217696937 U CN217696937 U CN 217696937U CN 202221332378 U CN202221332378 U CN 202221332378U CN 217696937 U CN217696937 U CN 217696937U
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- electric toothbrush
- toothbrush
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- sealing sleeve
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Abstract
The utility model discloses a novel waterproof structure of an electric toothbrush and the electric toothbrush, wherein, the novel waterproof structure comprises a sealing sleeve and a fixed cover, the sealing sleeve is provided with a sealing hole, the sealing sleeve is in interference fit with a rotating shaft through the sealing hole, the fixed cover is provided with a through hole, the rotating shaft is in clearance fit with the through hole, a mounting groove is formed on the sealing sleeve, one end of the fixed cover is arranged in the mounting groove, and the sealing sleeve is in running fit with the fixed cover; electric toothbrush includes fuselage and toothbrush brush head, is provided with the motor in the fuselage, and toothbrush brush head sets up in the one end of fuselage, and toothbrush brush head includes the shell, is provided with above-mentioned novel waterproof construction in the shell, and the cartridge is connected between the output of pivot and motor, and the other end of fixed lid passes through screw connection on the terminal surface of fuselage one end. The utility model provides an electric toothbrush's novel waterproof construction and electric toothbrush improves water-proof effects, avoids the condition that traditional waterproof circle became invalid to appear.
Description
Technical Field
The utility model relates to an electric toothbrush's novel waterproof construction and electric toothbrush.
Background
Electric toothbrushes have become more widely used in recent years because their cleaning effect is much better than that of conventional toothbrushes. At present, a waterproof ring used on an electric toothbrush is made of rubber or silica gel, and has poor wear resistance and oxidation resistance. In the use, waterproof circle is easy to be out of shape or off normal, causes the waterproof circle and the motor shaft between the gap appears, influences water-proof effects, has reduced electric toothbrush's life.
Therefore, the present chinese utility model with publication number CN214632456U discloses "a waterproof structure of an electric toothbrush and an electric toothbrush", wherein the waterproof structure of the electric toothbrush includes: the first waterproof part is an elastic part, the top of the first waterproof part is nested on a power output shaft of a driving motor of the electric toothbrush, and the bottom of the first waterproof part is nested on an inner bracket of the electric toothbrush; the inner side of the second waterproof part is in threaded connection with the inner bracket, and the outer side of the second waterproof part is matched with the handle shell of the electric toothbrush; the third waterproof piece is an elastic piece and is arranged between the second waterproof piece and the gap of the handle shell; the electric toothbrush is provided with the waterproof structure, and the electric toothbrush further comprises: the electric toothbrush comprises a charging assembly, a driving motor, an inner support, a handle shell and a brush head assembly, wherein the driving motor is electrically connected to the charging assembly, the brush head assembly is movably connected to a power output shaft of the driving motor, the inner support is used for supporting and installing the charging assembly, the driving motor, a PCB is further installed on the inner support, and the inner support is nested in the handle shell.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art's current situation, provides an electric toothbrush's novel waterproof construction and electric toothbrush, improves water-proof effects, avoids the condition of traditional waterproof circle inefficacy to appear.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a novel waterproof structure of an electric toothbrush is characterized in that: including seal cover and fixed lid, seted up sealed hole on the seal cover, the seal cover is through sealed hole and pivot interference fit, and fixed covering has seted up the through hole, clearance fit between pivot and the through hole, is formed with the mounting groove on the seal cover, and the one end of fixed lid sets up in the mounting groove, normal running fit between seal cover and the fixed lid, and the other end of fixed lid is connected on the fuselage.
Furthermore, the sealing sleeve is of a trapezoidal structure or a conical structure with one small end and the other large end, and the small end of the sealing sleeve points to the direction of the brush head.
Furthermore, a rubber sleeve wrapped on the rotating shaft is arranged in the seal sleeve, and the rubber sleeve is hooped on the outer wall of the rotating shaft.
Furthermore, an end face bearing is arranged between the end face of one end of the fixed cover and the groove bottom of the sealing sleeve mounting groove, and a radial bearing is arranged between the outer side wall of one end of the fixed cover and the groove wall of the sealing sleeve mounting groove.
Additionally, the utility model also discloses an electric toothbrush, including fuselage and toothbrush brush head, be provided with the motor in the fuselage, toothbrush brush head sets up in the one end of fuselage, and toothbrush brush head includes the shell, its characterized in that: the novel waterproof structure is arranged in the shell sleeve, the rotating shaft and the output end of the motor are connected in a plug-in mounting mode, and the other end of the fixing cover is connected to the end face of one end of the machine body through a screw.
As an improvement, a sealing gasket is arranged between the fixed cover and the end face of one end of the machine body.
The improved toothbrush is characterized in that the shell is of a conical structure with one small end and the other large end, and the brush head of the toothbrush extends out of the small end of the shell.
And the other end of the shell sleeve is clamped or screwed on the outer wall of the connecting sleeve.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a seal structure of traditional sealing washer has been given up to waterproof construction, but utilize the interference fit between pivot and the seal cover to realize the sealed of countershaft, and simultaneously, utilize fixed lid to realize connecting seal cover and fuselage, the rotation relation between seal cover and the fixed lid can not influence the rotation of pivot, furtherly, adopts the big seal cover structure of the little other end of one end for water can not reverse infiltration, and the water-proof effects has been improved, and simultaneously, the condition of having also avoided traditional waterproof circle to become invalid appears.
Drawings
Fig. 1 is a schematic view of a novel waterproof structure of an electric toothbrush and a structure of an electric toothbrush according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, the novel waterproof structure of an electric toothbrush in this embodiment and an electric toothbrush, wherein the novel waterproof structure includes a sealing sleeve 1 and a fixing cover 2, a sealing hole has been opened on the sealing sleeve 1, the sealing sleeve 1 is in interference fit with a rotating shaft 3 through the sealing hole, a through hole has been opened on the fixing cover 2, clearance fit is formed between the rotating shaft 3 and the through hole, a mounting groove is formed on the sealing sleeve 1, one end of the fixing cover 2 is arranged in the mounting groove, and the sealing sleeve 1 and the fixing cover 2 are in running fit with each other, the other end of the fixing cover 2 is connected to a machine body 7, specifically, a rotating mode is adopted between the sealing sleeve 1 and the fixing cover 2, an end face bearing 51 is arranged between the end face of one end of the fixing cover 2 and the groove bottom of the mounting groove of the sealing sleeve 1, and a radial bearing 52 is arranged between the outer side wall of one end of the fixing cover 2 and the groove wall of the mounting groove of the sealing sleeve 1.
Preferably, in the embodiment of the present invention, the sealing sleeve 1 is a trapezoid structure or a cone structure with one small end and the other large end, and the small end of the sealing sleeve 1 points to the direction of the brush head.
Further, a rubber sleeve 4 wrapped on the rotating shaft 3 can be further arranged in the sealing sleeve 1, and the rubber sleeve 4 is tightly hooped on the outer wall of the rotating shaft 3.
Additionally, the utility model also discloses an electric toothbrush, including fuselage 7 and toothbrush brush head, be provided with motor 8 in the fuselage 7, the toothbrush brush head sets up in the one end of fuselage 7, the toothbrush brush head includes shell 6, shell 6 is the big toper structure of the little other end of one end, the brush head of toothbrush stretches out the 6 tip of shell, be provided with above-mentioned novel waterproof construction in the shell 6, the cartridge is connected between pivot 3 and the output of motor 8, be provided with sealed 22 between the terminal surface of fixed lid 2 and fuselage 7 one end, the other end of fixed lid 2 passes through screw 21 and connects on the terminal surface of fuselage 7 one end.
Furthermore, a connecting sleeve 9 can be screwed on the outer wall of one end of the machine body 7, and the other end of the shell 6 is clamped or screwed on the outer wall of the connecting sleeve 9.
To sum up, the utility model discloses a waterproof construction has given up the seal structure of traditional sealing washer, but utilize the interference fit between pivot 3 and the seal cover 1 to realize the sealed of countershaft, and simultaneously, utilize fixed lid 2 to realize connecting seal cover 1 and fuselage 7, the rotation relation between seal cover 1 and the fixed lid 2 can not influence the rotation of pivot 3, furtherly, adopt the big seal cover structure of the little other end of one end, make water can not reverse infiltration, and the water-proof effects are improved, and simultaneously, the condition that traditional waterproof circle became invalid has also been avoided appearing.
Claims (8)
1. A novel waterproof structure of an electric toothbrush is characterized in that: including seal cover (1) and fixed lid (2), the sealed hole has been seted up on seal cover (1), seal cover (1) is through sealed hole and pivot (3) interference fit, the through hole has been seted up on fixed lid (2), clearance fit between pivot (3) and the through hole, be formed with the mounting groove on seal cover (1), the one end of fixed lid (2) sets up in the mounting groove, normal running fit between seal cover (1) and the fixed lid (2), the other end of fixed lid (2) is connected on fuselage (7).
2. The novel waterproof structure of an electric toothbrush according to claim 1, characterized in that: the brush is characterized in that the sealing sleeve (1) is of a trapezoidal structure or a conical structure with one small end and the other large end, and the small end of the sealing sleeve (1) points to the direction of the brush head.
3. The novel waterproof structure of an electric toothbrush according to claim 1, characterized in that: the sealing sleeve (1) is internally provided with a rubber sleeve (4) wrapped on the rotating shaft (3), and the rubber sleeve (4) is hooped on the outer wall of the rotating shaft (3).
4. The novel waterproof structure of an electric toothbrush according to claim 1, characterized in that: an end face bearing (51) is arranged between the end face of one end of the fixed cover (2) and the groove bottom of the mounting groove of the sealing sleeve (1), and a radial bearing (52) is arranged between the outer side wall of one end of the fixed cover (2) and the groove wall of the mounting groove of the sealing sleeve (1).
5. The utility model provides an electric toothbrush, includes fuselage (7) and toothbrush brush head, is provided with motor (8) in fuselage (7), and the toothbrush brush head sets up in the one end of fuselage (7), and the toothbrush brush head includes shell (6), its characterized in that: the novel waterproof structure of the electric toothbrush in claim 1 is arranged in the shell sleeve (6), the rotating shaft (3) and the output end of the motor (8) are connected in a plug-in manner, and the other end of the fixed cover (2) is connected to the end face of one end of the machine body (7) through a screw (21).
6. The powered toothbrush as defined in claim 5, wherein: and a sealing gasket (22) is arranged between the end faces of the fixed cover (2) and one end of the machine body (7).
7. The powered toothbrush as defined in claim 5, wherein: the shell (6) is of a conical structure with one small end and the other large end, and the brush head of the toothbrush extends out of the small end of the shell (6).
8. The powered toothbrush as defined in claim 5, wherein: the outer wall of one end of the machine body (7) is screwed with a connecting sleeve (9), and the other end of the shell sleeve (6) is clamped or screwed on the outer wall of the connecting sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332378.8U CN217696937U (en) | 2022-05-28 | 2022-05-28 | Novel waterproof construction and electric toothbrush of electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332378.8U CN217696937U (en) | 2022-05-28 | 2022-05-28 | Novel waterproof construction and electric toothbrush of electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217696937U true CN217696937U (en) | 2022-11-01 |
Family
ID=83793747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221332378.8U Active CN217696937U (en) | 2022-05-28 | 2022-05-28 | Novel waterproof construction and electric toothbrush of electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217696937U (en) |
-
2022
- 2022-05-28 CN CN202221332378.8U patent/CN217696937U/en active Active
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