CN214387738U

CN214387738U - Electric toothbrush shaft structure

Info

Publication number: CN214387738U
Application number: CN202022723795.2U
Authority: CN
Inventors: 崔世民
Original assignee: Jingyu Medical Technology Guangdong Co ltd
Current assignee: Jingyu Medical Technology Guangdong Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-10-15
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses an electric toothbrush axle construction, establish the shell that the cavity is cylindrical structure in including, the opening part inner wall of shell is fixed with the cutting ferrule, and the inside rotation of cutting ferrule is connected with the thick axle, the thick axle is close to cutting ferrule department and reserves the protruding ball ring that is spherical structure, the one end that the protruding ball ring was kept away from to the thick axle has set gradually continuous antiskid circle and annular groove, and the tip reservation of thick axle has cut the shoulder, the thick axle keeps away from the one end reservation that cuts the shoulder and has the major axis, and the tip reservation of major axis has the eccentric shaft, the bottom inner wall of shell is fixed with the C shaped steel slide rail, and sliding connection has T shape slider in the spout of C shaped steel slide rail, the top of T shape slider is fixed with actuating motor, and actuating motor's output shaft top is fixed with the inserted bar. The utility model discloses can drive the major axis and be the circular conical surface orbit operation around the centre of sphere of protruding spherical ring when using, and then drive the quick vibrations of toothbrush cover that the thick axle head cup jointed.

Description

Electric toothbrush shaft structure

Technical Field

The utility model relates to an electric toothbrush technical field especially relates to an electric toothbrush axle construction.

Background

With the increasing demand for quality of life, daily oral care becomes more and more sophisticated, and many people choose to use electric toothbrushes instead of ordinary toothbrushes. The electric toothbrush can more thoroughly remove dental plaque, reduce gingivitis and gingival bleeding, and has obvious oral care effect; the electric toothbrush enables the brush head to generate high-frequency motion, the toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and thus the effect of deep cleaning is achieved; meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on the gum tissue. Currently, electric toothbrushes on the market can be of two types according to the motion state of the brush head: rotary type and vibratory type.

The existing vibrating electric toothbrush is internally provided with a driving motor and a rotating shaft, the driving motor is connected with the rotating shaft through an eccentric wheel, the driving motor rotates to drive the eccentric wheel to rotate, the rotating shaft vibrates by utilizing eccentric motion, and the other end of the rotating shaft is connected with a brush head, so that the effect of high-frequency swinging of the brush head of the electric toothbrush is achieved; the pivot structure of electric toothbrush all uses the metal pivot, adopts pivot and brush head firmly to screw into detachable connection's mode and fixes the brush head in the pivot, and through long-term dismouting pivot and brush head handle use, pivot and brush head handle can wear and tear and lead to pivot and brush head to be connected not hard up for this electric toothbrush can not be used, short service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric toothbrush shaft structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric toothbrush axle construction, establishes the shell that the cavity is the cylinder structure in including, the opening part inner wall of shell is fixed with the cutting ferrule, and the inside rotation of cutting ferrule is connected with the thick axle, thick axle is close to cutting ferrule department and reserves the protruding ball ring that is spherical structure, the one end that the protruding ball ring was kept away from to the thick axle has set gradually continuous antiskid circle and annular groove, and the tip reservation of thick axle has the shoulder of cutting, the one end that the thick axle kept away from the shoulder of cutting reserves the major axis, and the tip reservation of major axis has the eccentric shaft, the bottom inner wall of shell is fixed with the C shaped steel slide rail, and sliding connection has T shape slider in the spout of C shaped steel slide rail, the top of T shape slider is fixed with driving motor, and driving motor's output shaft top is fixed with the inserted bar, and the inserted bar has two axle centers.

Preferably, the upper surface of the shoulder cutting part is provided with V-shaped grooves distributed at equal intervals, and the edge of the circumference of one end of the thick shaft close to the shoulder cutting part is rounded.

Preferably, the diameter of the anti-slip ring is larger than that of the thick shaft, and the diameter of the annular groove is smaller than that of the thick shaft.

Preferably, a baffle is fixed at one end, away from the motor shaft, of the bottom of the C-shaped steel slide rail, and a buffer spring is reserved between the baffle and the outer wall of the T-shaped slide block.

Preferably, the end of the eccentric shaft is provided with a notch, and the surface of the eccentric shaft is provided with a tangent plane parallel to the plane of the notch.

Preferably, the upper surface of the notch and the upper surface of the inserted link are both provided with jacks, and the same locking column is inserted in the jacks.

Compared with the prior art, the utility model provides an electric toothbrush axle construction possesses following beneficial effect:

1. through the eccentric shaft and the driving motor, the long shaft can be driven to move in a conical surface track around the spherical center of the convex spherical ring when in use, and then the toothbrush sleeve sleeved with the thick shaft end is driven to shake quickly.

2. Through the shoulder of cutting that sets up in thick axle tip, can avoid when using to entangle the toothbrush cover because of the toothbrush rotates and lead to whole rotation, improved the stability of toothbrush when brushing teeth.

3. Through the jack that sets up on the eccentric shaft to the phenomenon that skids can not appear when the driving motor rotates, improves rotation and transmission efficiency.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, the toothbrush head of easy to assemble.

Drawings

FIG. 1 is a schematic cross-sectional view of a shaft structure of an electric toothbrush according to the present invention;

FIG. 2 is a schematic perspective view of a shaft lever of a shaft structure of an electric toothbrush according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of the structure of the electric toothbrush shaft of the present invention shown in fig. 2.

In the figure: 1-shell, 2-V-shaped groove, 3-shoulder cutting, 4-annular groove, 5-antiskid ring, 6-thick shaft, 7-cutting sleeve, 8-convex spherical ring, 9-tool withdrawal groove, 10-long shaft, 11-eccentric shaft, 12-notch, 13-inserted rod, 14-driving motor, 15-C-shaped steel slide rail, 16-T-shaped slide block, 17-jack, 18-section and 19-anti-rotation groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, an electric toothbrush shaft structure comprises a housing 1 with a cylindrical cavity therein, a cutting sleeve 7 is fixed on the inner wall of an opening of the housing 1, a thick shaft 6 is rotatably connected inside the cutting sleeve 7, a convex spherical ring 8 with a spherical structure is reserved at the position of the thick shaft 6 close to the cutting sleeve 7, an anti-slip ring 5 and an annular groove 4 which are connected with each other are sequentially arranged at one end of the thick shaft 6 far away from the convex spherical ring 8, a cutting shoulder 3 is reserved at the end of the thick shaft 6, a long shaft 10 is reserved at one end of the thick shaft 6 far away from the cutting shoulder 3, an eccentric shaft 11 is reserved at the end of the long shaft 10, a C-shaped steel slide rail 15 is fixed on the inner wall of the bottom of the housing 1, a T-shaped slide block 16 is slidably connected in a chute of the C-shaped steel slide rail 15, a driving motor 14 is fixed at the top end of the T-shaped slide block 16, an inserted rod 13 is fixed at the top end of an output shaft of the driving motor 14, and the inserted rod 13 has two axes, therefore, when in use, the long shaft 10 can be driven to move in a conical surface track around the sphere center of the convex spherical ring 8, and the toothbrush sleeve sleeved at the end of the thick shaft 6 is driven to vibrate rapidly.

The utility model discloses in, the upper surface of cutting shoulder 3 opens the V-arrangement groove 2 that has the equidistance to distribute, and thick axle 6 is close to the one end circumference edge of cutting shoulder 3 and has been chamfered the fillet to can avoid entangling the toothbrush cover when using and lead to whole rotation because of the toothbrush rotation, improved the stability of toothbrush when brushing teeth.

Wherein, the diameter of antiskid circle 5 is greater than the diameter of thick axle 6, and the diameter of annular groove 4 is less than the diameter of thick axle 6.

Wherein, a baffle is fixed at one end of the bottom of the C-shaped steel slide rail 15, which is far away from the motor shaft, and a buffer spring is reserved between the baffle and the outer wall of the T-shaped slide block 16.

Wherein, the end of the eccentric shaft 11 is provided with a notch 12, and the surface of the eccentric shaft 11 is provided with a tangent plane 18 parallel to the plane of the notch 12.

The working principle is as follows: when in use, the eccentricity of the inserted link 13 at the end of the output shaft of the driving motor 14 is consistent with the eccentricity of the eccentric shaft 11, so that the long shaft 10 can be driven by the driving motor 14 to be in a stirring state to vibrate; the end part of the shaft structure is convenient and stable when the toothbrush head is replaced, and cannot shake.

Example 2

Referring to fig. 1 and 3, the present embodiment of a shaft structure of an electric toothbrush further includes insertion holes 17 formed in the upper surfaces of the notches 12 and the insertion rods 13, respectively, compared to embodiment 1, and the same locking post is inserted into the insertion hole 17, so that the driving motor 14 does not slip when rotating, thereby improving the rotation and transmission efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An electric toothbrush shaft structure comprises a shell (1) with a cylindrical structure and a cavity arranged therein, wherein a clamping sleeve (7) is fixed on the inner wall of an opening of the shell (1), a thick shaft (6) is rotatably connected inside the clamping sleeve (7), a convex ball ring (8) with a spherical structure is reserved at the position of the thick shaft (6) close to the clamping sleeve (7), one end of the thick shaft (6) far away from the convex ball ring (8) is sequentially provided with a connected anti-slip ring (5) and an annular groove (4), and the end of the thick shaft (6) is reserved with a cutting shoulder (3), and is characterized in that a long shaft (10) is reserved at one end of the thick shaft (6) far away from the cutting shoulder (3), an eccentric shaft (11) is reserved at the end of the long shaft (10), a C-shaped steel slide rail (15) is fixed on the inner wall of the bottom of the shell (1), and a T-shaped slide block (16) is slidably connected in the slide groove of the C-shaped steel slide rail (15), a driving motor (14) is fixed at the top end of the T-shaped sliding block (16), an inserting rod (13) is fixed at the top end of an output shaft of the driving motor (14), and the inserting rod (13) is provided with two axes.

2. A shaft structure of electric toothbrush according to claim 1, wherein the upper surface of the cutting shoulder (3) is provided with V-shaped grooves (2) distributed at equal intervals, and the circumferential edge of one end of the thick shaft (6) near the cutting shoulder (3) is rounded.

3. A powered toothbrush shaft construction, as claimed in claim 1, characterised in that the diameter of the anti-slip ring (5) is greater than the diameter of the stub shaft (6) and the diameter of the annular recess (4) is less than the diameter of the stub shaft (6).

4. The electric toothbrush shaft structure as claimed in claim 1, wherein a baffle is fixed at one end of the bottom of the C-shaped steel slide rail (15) far away from the motor shaft, and a buffer spring is reserved between the baffle and the outer wall of the T-shaped slide block (16).

5. A shaft structure of electric toothbrush according to claim 1, wherein the end of the eccentric shaft (11) is formed with a notch (12), and the surface of the eccentric shaft (11) is formed with a cut surface (18) parallel to the plane of the notch (12).

6. The electric toothbrush shaft structure according to claim 5, wherein the upper surface of the notch (12) and the upper surface of the insert rod (13) are provided with insertion holes (17), and the same locking column is inserted into the insertion holes (17).