CN215503513U - Electric toothbrush adopting double-groove motor shaft - Google Patents
Electric toothbrush adopting double-groove motor shaft Download PDFInfo
- Publication number
- CN215503513U CN215503513U CN202121785974.7U CN202121785974U CN215503513U CN 215503513 U CN215503513 U CN 215503513U CN 202121785974 U CN202121785974 U CN 202121785974U CN 215503513 U CN215503513 U CN 215503513U
- Authority
- CN
- China
- Prior art keywords
- motor shaft
- double
- strip
- electric toothbrush
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007704 transition Effects 0.000 claims abstract description 39
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Brushes (AREA)
Abstract
The utility model relates to the field of machinery, in particular to an electric toothbrush. An electric toothbrush adopting a double-groove motor shaft comprises an electric toothbrush body, wherein the electric toothbrush body comprises a handle and a brush head handle; be equipped with the motor in the handle, the double flute motor shaft is connected to the motor, and the double flute motor shaft includes the cylinder, is equipped with two first strip recesses that are vertical arrangement on the cylinder, and one side of first strip recess is equipped with second strip recess, and second strip recess is cyclic annular and arranges on the cylinder. Through the design, the utility model provides the electric toothbrush adopting the double-groove motor shaft, the structure is simple, the use is convenient, the fitting effect between the double-groove motor shaft and the transition sleeve is ensured through the matching work of the double-groove motor shaft and the transition sleeve, and the kinetic energy provided by the motor can be better transmitted; the double-groove motor shaft is tightly connected with the transition sleeve, so that the connection between the brush head handle and the handle is more stable, the brush head handle and the handle are not easily separated when the electric toothbrush falls, and the using effect of the electric toothbrush is ensured.
Description
Technical Field
The present invention relates to the field of mechanics, and in particular, to electric toothbrushes.
Background
Along with social development, more and more people use the electric toothbrush to clean teeth, the electric toothbrush comprises a handle internally provided with a motor, a brush head handle with a brush head and other parts, the motor in the handle drives a motor shaft to rotate, the upper part of the motor shaft is inserted into the brush head handle and can drive the brush head to vibrate so as to play a role in cleaning teeth, however, the cross section of the existing motor shaft is semicircular, the joint effect of the existing motor shaft and the inner side of the brush head handle is poor, and kinetic energy provided by the motor cannot be better transmitted; meanwhile, after people use the electric toothbrush for a period of time, the brush head handle is often required to be replaced to ensure the cleaning effect and the sanitary condition of the electric toothbrush, and the brush head handle fixed on the handle is required to be frequently inserted and pulled, so that the connection between the brush head handle and the handle is not stable any more; in addition, when the electric toothbrush falls off due to careless operation of people, the brush head handle is easy to fall off from the handle, and the using effect of the electric toothbrush is reduced.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an electric toothbrush using a dual-slot motor shaft that solves at least one of the problems set forth above.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an electric toothbrush adopting a double-groove motor shaft comprises an electric toothbrush body and is characterized in that the electric toothbrush body comprises a handle and a brush head handle, and the brush head handle is arranged above the handle;
the handle is internally provided with a motor, the motor is connected with a double-groove motor shaft, the double-groove motor shaft comprises a cylinder, the cylinder is provided with two first strip-shaped grooves which are vertically arranged, the two first strip-shaped grooves are respectively arranged on two sides of the upper part of the cylinder, one side of each first strip-shaped groove is provided with a second strip-shaped groove, and the second strip-shaped grooves are annularly arranged on the cylinder;
the brush head comprises a brush head handle, and is characterized in that a transition sleeve is arranged in the brush head handle, an insertion hole used for inserting the double-groove motor shaft is formed in the transition sleeve, a first bulge matched with the first strip-shaped groove is formed in the inner wall of the insertion hole, and a second bulge matched with the second strip-shaped groove is formed in one side of the first bulge.
The cross section of the first strip-shaped groove is triangular.
The cross section of the second strip-shaped groove is triangular or semicircular.
The waterproof ring is characterized in that a third strip-shaped groove used for embedding a waterproof ring is formed in the cylinder, the third strip-shaped groove is annularly arranged on the cylinder, and the third strip-shaped groove is arranged below the second strip-shaped groove. An opening used for extending out of the double-groove motor shaft is formed in the upper portion of the handle, and a third strip-shaped groove is formed in the cylinder body close to the opening.
And the joint of the upper surface of the cylinder and the side surface of the cylinder is chamfered.
The transition sleeve is cylindrical, and a through hole is formed in the transition sleeve.
And reinforcing ribs are arranged on the outer surface of the lower part of the transition sleeve.
The brush head handle is provided with a mounting hole for mounting the transition sleeve, the lower part of the transition sleeve is provided with a plate-shaped body for sealing the mounting hole, the insertion hole is arranged in the middle of the plate-shaped body, the cross section of the plate-shaped body is circular, the plate-shaped body is provided with a fourth strip-shaped groove, the fourth strip-shaped groove is annularly distributed on the side wall of the plate-shaped body, and the inner wall of the mounting hole is provided with a third protrusion matched with the fourth strip-shaped groove.
Through the design, the utility model provides the electric toothbrush adopting the double-groove motor shaft, the structure is simple, the use is convenient, the fitting effect between the double-groove motor shaft and the transition sleeve is ensured through the matching work of the double-groove motor shaft and the transition sleeve, and the kinetic energy provided by the motor can be better transmitted; the double-groove motor shaft is tightly connected with the transition sleeve, so that the connection between the brush head handle and the handle is more stable, the brush head handle and the handle are not easily separated when the electric toothbrush falls, and the using effect of the electric toothbrush is ensured.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the present invention;
FIG. 2 is a sectional view of a portion of the structure at the handle of the brush head of the present invention;
FIG. 3 is a schematic view of a portion of the structure at the dual slot motor shaft of the present invention;
FIG. 4 is a cross-sectional view of a portion of the transition sleeve of the present invention;
fig. 5 is a sectional view of a part of the structure of the transition sleeve of the utility model.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, an electric toothbrush using a double-groove motor shaft comprises an electric toothbrush body, wherein the electric toothbrush body comprises a handle 2 and a brush head handle 1, and the brush head handle is arranged above the handle; a motor is arranged in the handle and is connected with a double-groove motor shaft 4, the double-groove motor shaft comprises a cylinder, two first strip-shaped grooves 5 which are vertically arranged are arranged on the cylinder, the two first strip-shaped grooves are respectively arranged on two sides of the upper part of the cylinder, one side of each first strip-shaped groove is provided with a second strip-shaped groove 6, and the second strip-shaped grooves are annularly arranged on the cylinder; the brush head handle is internally provided with a transition sleeve 3, the transition sleeve is provided with an inserting hole for inserting a double-groove motor shaft, the inner wall of the inserting hole is provided with a first bulge 8 matched with the first strip-shaped groove, and one side of the first bulge is provided with a second bulge 9 matched with the second strip-shaped groove. Through the design, the utility model provides the electric toothbrush adopting the double-groove motor shaft, the structure is simple, the use is convenient, the fitting effect between the double-groove motor shaft and the transition sleeve is ensured through the matching work of the double-groove motor shaft and the transition sleeve, and the kinetic energy provided by the motor can be better transmitted; the double-groove motor shaft is tightly connected with the transition sleeve, so that the connection between the brush head handle and the handle is more stable, the brush head handle and the handle are not easily separated when the electric toothbrush falls, and the using effect of the electric toothbrush is ensured.
In the design, two first strip-shaped grooves which are oppositely arranged are arranged on the double-groove motor shaft, when the double-groove motor shaft is inserted into the transition sleeve, the first bulges are embedded into the first strip-shaped grooves, the outer surfaces of the first bulges are tightly attached to the inner surfaces of the first strip-shaped grooves, the attaching area is increased compared with the existing motor shaft with a semicircular cross section, and a better transmission effect can be achieved when the motor drives the double-groove motor shaft to reciprocate; meanwhile, when the brush head handle is installed on the handle, the second protrusions in the transition sleeve are embedded into the second strip-shaped grooves, the positioning and fixing effects are achieved, the first protrusions are embedded into the first strip-shaped grooves in a matched mode, the motor shaft is tightly connected with the transition sleeve, and the brush head handle is further stably connected with the handle.
In order to ensure the using effect of the double-groove motor shaft, the cross section of the first strip-shaped groove is triangular. The first bulge is strip-shaped, and the cross section of the first bulge is triangular. The cross section of the second strip-shaped groove adopts one of a triangle and a semicircle.
The cylinder is provided with a third strip-shaped groove 7 for embedding the waterproof ring, the third strip-shaped groove is annularly arranged on the cylinder, and the third strip-shaped groove is arranged below the second strip-shaped groove. An opening used for extending out of the double-groove motor shaft is formed in the upper portion of the handle, and a third strip-shaped groove is formed in the cylinder body close to the opening. The third strip-shaped groove can be provided with a waterproof ring to increase the waterproof performance of the handle and ensure the use effect of the electric toothbrush.
The junction of the upper surface of the cylinder and the side of the cylinder is chamfered to facilitate insertion of the double-flute motor shaft into the transition sleeve.
The transition sleeve is cylindrical, and a through hole is formed in the transition sleeve. The through-hole is at least four, and at least four through-holes are evenly arranged on the transition sleeve. So as to reduce the production cost.
The outer surface of the lower part of the transition sleeve is provided with a reinforcing rib. The width of the upper part of the reinforcing rib is gradually increased from top to bottom. The strengthening rib has improved the structural strength of transition cover, reduces the influence of the plug of double flute motor shaft to the in service behavior of transition cover.
In order to ensure the using effect of the brush head, the brush head handle is provided with a mounting hole for mounting the transition sleeve, the lower part of the transition sleeve is provided with a plate-shaped body for sealing the mounting hole, the insertion hole is arranged in the middle of the plate-shaped body, the cross section of the plate-shaped body is circular, the plate-shaped body is provided with a fourth strip-shaped groove, the fourth strip-shaped groove is annularly distributed on the side wall of the plate-shaped body, and the inner wall of the mounting hole is provided with a third bulge matched with the fourth strip-shaped groove.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An electric toothbrush adopting a double-groove motor shaft comprises an electric toothbrush body and is characterized in that the electric toothbrush body comprises a handle and a brush head handle, and the brush head handle is arranged above the handle;
the handle is internally provided with a motor, the motor is connected with a double-groove motor shaft, the double-groove motor shaft comprises a cylinder, the cylinder is provided with two first strip-shaped grooves which are vertically arranged, the two first strip-shaped grooves are respectively arranged on two sides of the upper part of the cylinder, one side of each first strip-shaped groove is provided with a second strip-shaped groove, and the second strip-shaped grooves are annularly arranged on the cylinder;
the brush head comprises a brush head handle, and is characterized in that a transition sleeve is arranged in the brush head handle, an insertion hole used for inserting the double-groove motor shaft is formed in the transition sleeve, a first bulge matched with the first strip-shaped groove is formed in the inner wall of the insertion hole, and a second bulge matched with the second strip-shaped groove is formed in one side of the first bulge.
2. The electric toothbrush using a double-slotted motor shaft according to claim 1, wherein the first bar-shaped groove has a triangular cross-section.
3. An electric toothbrush using a double-slotted motor shaft according to claim 1 or 2, wherein the cross-section of the second strip-shaped groove is one of triangular and semicircular.
4. The electric toothbrush using a dual-slot motor shaft as claimed in claim 1, wherein the cylinder has a third strip-shaped groove for inserting a waterproof ring, the third strip-shaped groove is annularly arranged on the cylinder, and the third strip-shaped groove is disposed below the second strip-shaped groove.
5. The electric toothbrush using a double-slot motor shaft as claimed in claim 4, wherein an opening for extending the double-slot motor shaft is provided above the handle, and the third strip-shaped groove is provided on the cylindrical body near the opening.
6. The electric toothbrush using a double-slotted motor shaft according to claim 1, wherein a junction of the upper surface of the cylinder and the side surface of the cylinder is chamfered.
7. The electric toothbrush using a double-slotted motor shaft as claimed in claim 1, wherein the transition sleeve has a cylindrical shape, and the transition sleeve is provided with a through hole.
8. The electric toothbrush using a double-slot motor shaft as claimed in claim 1, wherein a reinforcing rib is provided on an outer surface of a lower portion of the transition sleeve.
9. The electric toothbrush with the double-groove motor shaft as claimed in claim 1, wherein the handle of the brush head is provided with a mounting hole for mounting the transition sleeve, a plate-shaped body for closing the mounting hole is provided at a lower portion of the transition sleeve, the insertion hole is provided at a middle portion of the plate-shaped body, a cross section of the plate-shaped body is circular, a fourth groove is provided on the plate-shaped body, the fourth groove is annularly arranged on a side wall of the plate-shaped body, and a third protrusion matched with the fourth groove is provided on an inner wall of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785974.7U CN215503513U (en) | 2021-08-02 | 2021-08-02 | Electric toothbrush adopting double-groove motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785974.7U CN215503513U (en) | 2021-08-02 | 2021-08-02 | Electric toothbrush adopting double-groove motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215503513U true CN215503513U (en) | 2022-01-14 |
Family
ID=79788879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121785974.7U Active CN215503513U (en) | 2021-08-02 | 2021-08-02 | Electric toothbrush adopting double-groove motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215503513U (en) |
-
2021
- 2021-08-02 CN CN202121785974.7U patent/CN215503513U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103269654B (en) | Brush heads with wedge and spring handle interface for electric toothbrushes | |
| US20140115801A1 (en) | Electric toothbrush attachment mechanism | |
| CN203972410U (en) | A kind of brush of pipe fitting inner wall cleaning use | |
| JP3243768U (en) | Rotary replacement brush device for electric toothbrush | |
| CN215503513U (en) | Electric toothbrush adopting double-groove motor shaft | |
| US20230277022A1 (en) | Cleaning brush and intelligent cleaning device having the same | |
| CN209025025U (en) | A kind of novel environmental sanitation brush | |
| WO2011132878A3 (en) | Head of bristles for electric toothbrush | |
| CN211534929U (en) | Electric tooth cleaner brush head and electric tooth cleaner | |
| CN206777411U (en) | A kind of output shaft seal structure of electric toothbrush | |
| CN209884400U (en) | Electric toothbrush | |
| CN203852444U (en) | Electric toothbrush | |
| CN208677625U (en) | Electric toothbrush and its waterproof sealing structure | |
| CN214104723U (en) | Electric toothbrush three-side brush head adopting spring | |
| CN209187031U (en) | Seperated electric toothbrush | |
| CN110811894A (en) | Electric tooth cleaner brush head, electric tooth cleaner and tooth cleaning method | |
| KR200365918Y1 (en) | Structure of electrically powered toothbrush | |
| CN211356017U (en) | Electric toothbrush with compact structure | |
| CN221636161U (en) | Toothbrush body and electric toothbrush | |
| CN211300446U (en) | Handle of electric toothbrush | |
| CN219557628U (en) | Toothbrush head end connection structure and electric toothbrush | |
| CN215349670U (en) | Transmission structure of electric toothbrush and electric toothbrush | |
| CN209059505U (en) | A kind of dismountable water-proof electric toothbrush | |
| CN218684804U (en) | Waterproof structure for electric toothbrush | |
| CN201135226Y (en) | Convenient toilet article |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |