CN111419459A

CN111419459A - Transmission structure of electric toothbrush and electric toothbrush thereof

Info

Publication number: CN111419459A
Application number: CN202010275440.3A
Authority: CN
Inventors: 于波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-07-17

Abstract

The invention discloses a transmission structure of an electric toothbrush and the electric toothbrush, wherein a motor is screwed in a second shell, a rotating shaft is welded on an output shaft of the motor, a first gear is welded at one end of the rotating shaft, a second gear is meshed and connected with the first gear, a connecting shaft is welded on the inner side wall of the second gear, in the process of deflection rotation, the first rod body drives a second rod body to move through a cylinder body, the first rod body and the second rod body are in spherical hinge joint, the connection effect of the first rod body and the second rod body is ensured, when the first plate body is pulled by the second rod body, the first plate body drives a hairbrush to correspondingly slide back and forth, the bristles of the hairbrush slide through a through groove, the lengths of the three first rod bodies are different, the effects of the three second rod bodies driving the three first plate bodies to move in a staggered manner are different, and stains in gaps between teeth are brushed back and forth, achieves good tooth brushing effect and improves the cleaning effect on stains in teeth.

Description

Transmission structure of electric toothbrush and electric toothbrush thereof

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a transmission structure of an electric toothbrush and the electric toothbrush.

Background

With the improvement of living standard of people, people pay more attention to the health maintenance and the prevention of oral hygiene. However, the traditional toothbrush design still cannot meet the requirements of people, and the electric toothbrush is a new product appearing in recent years, and has opened a revolution in the field of oral health care in foreign countries. Compared with the common toothbrush, the electric toothbrush is more scientific and effective, can more thoroughly remove dental plaque and reduce gingivitis and gingival bleeding, is also a daily article popular in many countries in Europe and America at present, and has the principle that the rotary toothbrush is simple, namely, the motor drives the circular toothbrush head to rotate, the friction effect is enhanced while the common tooth brushing action is executed, the rotary toothbrush has high noise, the tooth surface is cleaned very cleanly, the interdental space is cleaned relatively weakly, but the rotary toothbrush has large abrasion to teeth, the rotary toothbrush is not recommended to be used for a long time, the vibration type toothbrush is more complex and has a higher end from the aspect of price, the vibration type toothbrush is internally provided with an electrically-driven vibration motor which can lead the toothbrush head to generate high-frequency swing in the direction vertical to the toothbrush handle but has small swing amplitude, meanwhile, the vibration of bristles can promote the blood circulation in the cavity and has the massage effect on the gingival tissues, the Chinese patent discloses a CN201591426. X electric toothbrush, through toothbrush head, handle and the neck of connecting toothbrush head and handle, handle and neck are cavity, handle and neck be connected by the buffer, have the vibration head that the motor is connected in the neck, but the brush hair of this toothbrush is fixed unchangeable, and the motion can not be realized automatically to toothbrush itself, can not reach fine brushing effect, leads to the cleaning effect to spot in the tooth to hang down, for this reason, provides an electric toothbrush's transmission structure and electric toothbrush thereof.

Disclosure of Invention

The present invention is directed to a transmission structure of an electric toothbrush and an electric toothbrush thereof, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a transmission structure of an electric toothbrush comprises a second shell, a third shell, a bearing, a set square and a toothbrush shell, wherein a motor is connected to the inner screw of the second shell, a rotating shaft is welded to an output shaft of the motor, a first gear is welded to one end of the rotating shaft, a second gear is connected to the first gear in a meshed mode, a connecting shaft is welded to the inner side wall of the second gear, the outer side wall of the connecting shaft is welded to the inner ring of the bearing, a third gear is fixedly connected to the outer ring of the bearing, a first connecting plate is welded to one end of the connecting shaft, a second connecting plate is hinged to one side of the first connecting plate, a through hole is formed in the top of the set square, one side of the second connecting plate is fixedly connected to the inner side wall of the through hole, a first rod body is hinged to the triangular position of the set square, a second rod body is hinged to one end of the first rod body in a spherical mode, one end of the, the toothbrush is characterized in that one end of the second rod body, which is located inside the toothbrush shell, is fixedly connected with a first plate body, and a brush is arranged at the top of the first plate body.

As further preferable in the present technical solution: the inside diapire fixedly connected with fixed plate of second casing, the barrel that the three equidistance of top fixedly connected with of fixed plate was arranged, the first body of rod runs through in the inside of barrel with the spherical articulated department of the second body of rod.

As further preferable in the present technical solution: the inside diapire of toothbrush shell sets up the spout that the equidistance was arranged, the inside embedding of spout has the slider, slider and spout sliding connection, one side fixed connection in the bottom of first plate body that the spout was kept away from to the slider.

As further preferable in the present technical solution: the top of the toothbrush shell is provided with a through groove matched with the bristles of the brush, and the bristles of the brush penetrate through the through groove.

As further preferable in the present technical solution: the inner side wall of the through hole in the triangular plate is provided with teeth matched with the third gear.

In addition, the invention also provides the electric toothbrush, one side of the second shell is provided with a first shell, one side of the first shell is fixedly connected with a threaded rod, one side of the second shell is provided with a threaded groove matched with the threaded rod, the threaded rod is in threaded connection with the second shell through the threaded groove, the third shell is fixedly connected to one side of the second shell, which is far away from the first shell, and the toothbrush shell is fixedly connected to one side of the third shell, which is far away from the second shell.

As further preferable in the present technical solution: the side, close to the third casing, of the second casing is penetrated with three pipe sleeves which are arranged at equal intervals, the outer side wall of the second rod body penetrates through the inner part of the pipe sleeves, and the second rod body is connected with the pipe sleeves in a sliding mode.

As further preferable in the present technical solution: the switch is installed to the lateral wall of first casing, the power output of switch passes through the power input electric connection of wire and motor.

Compared with the prior art, the invention has the beneficial effects that: the first connecting plate drives the second connecting plate to hinge and rotate under the matching of the motor, the rotating shaft, the first gear, the second gear, the connecting shaft and the bearing, the triangle is driven to rotate in a deflection way, and in the process of the deflection rotation, the three first rod bodies of the triangle are driven to correspondingly rotate and move, thereby the first rod body drives the second rod body to move through the cylinder body, the first rod body and the second rod body are in spherical hinge joint, the connection effect of the first rod body and the second rod body is ensured, when the second rod body pulls the first plate body, the first plate body drives the brush to correspondingly slide back and forth under the matching of the sliding block and the sliding groove, so that the brush hair of the brush slides through the through groove, and the length of the three first rod bodies is inconsistent, so that the effect that the three second rod bodies drive the three first plate bodies to move in a staggered manner is different, stains in gaps between teeth are brushed back and forth, a good tooth brushing effect is achieved, and the cleaning effect of the stains in the teeth is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a triangle of the present invention;

FIG. 3 is a schematic view of the connection structure of the fixing plate and the barrel according to the present invention;

FIG. 4 is a schematic view of the construction of a toothbrush housing of the present invention;

FIG. 5 is a schematic view of the internal structure of the toothbrush housing of the present invention;

fig. 6 is a schematic structural view of a first gear and a second gear of the present invention.

In the figure: 1. a first housing; 2. a switch; 3. a threaded rod; 4. a second housing; 5. pipe sleeve; 6. a third housing; 7. a first plate body; 8. a brush; 9. a motor; 10. a rotating shaft; 11. a set square; 12. a through hole; 14. teeth; 15. a first connecting plate; 16. a second connecting plate; 17. a first rod body; 18. a bearing; 19. a connecting shaft; 20. a toothbrush housing; 21. a chute; 22. a slider; 23. a through groove; 24. a fixing plate; 25. a barrel; 26. a second rod body; 27. a first gear; 28. a second gear; 29. a third gear; 30. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides a technical solution: a transmission structure of an electric toothbrush comprises a second shell 4, a third shell 6, a bearing 18, a triangle 11 and a toothbrush shell 20, wherein a motor 9 is screwed in the second shell 4, a rotating shaft 10 is welded on an output shaft of the motor 9, a first gear 27 is welded at one end of the rotating shaft 10, a second gear 28 is meshed and connected with the first gear 27, a connecting shaft 19 is welded on the inner side wall of the second gear 28, the outer side wall of the connecting shaft 19 is welded on the inner ring of the bearing 18, a third gear 29 is fixedly connected on the outer ring of the bearing 18, the connecting shaft 19 rotates under the action of the first gear 27 and the second gear 28, the third gear 29 keeps still under the action of the bearing 18, the connecting shaft 19 drives the first connecting plate 15 to rotate, the first connecting plate 15 drives the second connecting plate 16 to rotate, a first connecting plate 15 is welded at one end of the connecting shaft 19, and a second connecting plate 16 is hinged on one side of the first connecting plate 15, through-hole 12 has been seted up at the top of set-square 11, one side fixed connection of second even board 16 is in the inside wall of through-hole 12, the triangle department of set-square 11 all articulates there is the first body of rod 17, the spherical articulated second body of rod 26 that has of one end of the first body of rod 17, the first body of rod 17 is spherical articulated with the second body of rod 26, guarantee first body of rod 17 and the second body of rod 26 linkage effect, barrel 25 further restricts first body of rod 17 and the 26 range of movement of the second body of rod, the one end of the second body of rod 26 runs through in one side of third casing 6 and toothbrush shell 20, the second body of rod 26 is located the first plate body 7 of the inside one end fixedly connected with of toothbrush shell 20, the top of first plate body 7 is provided.

In this embodiment, specifically: inside diapire fixedly connected with fixed plate 24 of second casing 4, the barrel 25 that the three equidistance of top fixedly connected with of fixed plate 24 was arranged, the first body of rod 17 runs through in the inside of barrel 25 with the spherical articulated department of the second body of rod 26, through above setting, be located the barrel 25 when the first body of rod 17 drives the second body of rod 26 and removes, position when restricting the articulated removal of the first body of rod 17 and the second body of rod 26, place the off tracking of the first body of rod 17 and the 26 positions of the second body of rod, and protect the first body of rod 17 and the second body of rod 26.

In this embodiment, specifically: the spout 21 that the equidistance was arranged is seted up to toothbrush shell 20's inside diapire, the inside embedding of spout 21 has slider 22, slider 22 and spout 21 sliding connection, one side fixed connection in the bottom of the first plate body 7 that spout 21 was kept away from to slider 22, through setting up spout 21, make the first plate body 7 slide in spout 21 under the effect of the second body of rod 26, and then make the corresponding removal of first plate body 7 drive brush 8, and the stability when having improved the removal of first plate body 7.

In this embodiment, specifically: the top of toothbrush shell 20 is seted up with the logical groove 23 of the brush hair looks adaptation of brush 8, and the brush hair of brush 8 runs through in logical groove 23, through above setting, when the second body of rod 26 drives first plate body 7 and removes, first plate body 7 drives the corresponding removal of brush 8 that corresponds, and then makes the brush hair of brush 8 remove in logical groove 23, has improved the cleaning performance to spot in the tooth.

In this embodiment, specifically: the inside wall of the through hole 12 in the triangular plate 11 is provided with teeth 14 matched with the third gear 29, through the above arrangement, under the action of the motor 9, the first connecting plate 15 drives the second connecting plate 16 to rotate in a deviation manner, and then the triangular plate 11 is driven to rotate, under the action of the first connecting plate 15 hinged with the second connecting plate 16, when the triangular plate 11 moves to the third gear 29 in a deviation manner, the teeth 14 on the inner wall of the triangular plate 11 are meshed with the third gear 29 to be linked, and the triangular plate 11 is driven to rotate more stably.

In addition, the invention also provides an electric toothbrush, wherein a first shell 1 is arranged on one side of a second shell 4, a threaded rod 3 is fixedly connected to one side of the first shell 1, a threaded groove 30 matched with the threaded rod 3 is formed in one side of the second shell 4, the threaded rod 3 is in threaded connection with the second shell 4 through the threaded groove 30, a third shell 6 is fixedly connected to one side, far away from the first shell 1, of the second shell 4, and a toothbrush shell 20 is fixedly connected to one side, far away from the second shell 4, of the third shell 6.

In this embodiment, specifically: the pipe box 5 that has three equidistance to arrange is run through to one side that second casing 4 is close to third casing 6, the lateral wall of the second body of rod 26 runs through in the inside of pipe box 5, the second body of rod 26 and pipe box 5 sliding connection, through above setting, when the second body of rod 26 receives the effect of the first body of rod 17 to move, make the second body of rod 26 slide in pipe box 5, avoided the friction between the second casing 4 and the second body of rod 26, can restrict the position that the second body of rod 26 removed again, and then make pipe box 5 restrict the second body of rod 26, prevent that the second body of rod 26 from moving to the erroneous tendency.

In this embodiment, specifically: switch 2 is installed to the lateral wall of first casing 1, and switch 2's power output passes through wire and motor 9's power input end electric connection, and through above setting, switch 2 controls motor 9's start-up.

When the working principle or the structural principle is used, the threaded rod 3 of the first shell 1 is inserted into the corresponding threaded groove 30 in the second shell 4 for installation, the motor 9 is started through the switch 2, the motor 9 drives the rotating shaft 10 to rotate, the connecting shaft 19 is rotated under the action of the first gear 27 and the second gear 28, the third gear 29 is kept still under the action of the bearing 18, the connecting shaft 19 drives the first connecting plate 15 to rotate, the first connecting plate 15 drives the second connecting plate 16 to rotate, the triangular plate 11 is driven to deflect and rotate under the hinging action of the first connecting plate 15 and the second connecting plate 16, in the deflection rotation process of the triangular plate 11, the teeth 14 in the triangular plate 11 are meshed and linked when being contacted with the third gear 29, the triangular plate 11 is ensured to rotate more stably, in the deflection rotation process of the triangular plate 11, the three first rod bodies 17 are driven to rotate correspondingly, further, the first rod 17 drives the second rod 26 to move through the barrel 25, the first rod 17 and the second rod 26 are spherically hinged, so as to ensure the connection effect of the first rod 17 and the second rod 26, the barrel 25 further limits the moving range of the first rod 17 and the second rod 26, when the second rod 26 moves under the action of the first rod 17, the second rod 26 slides in the pipe sleeve 5, so as to avoid friction between the second shell 4 and the second rod 26, and also can limit the second rod 26, so as to enable the second rod 26 to transversely move, so as to prevent the second rod 26 from deviating to move, when the second rod 26 pulls the first plate 7, the first plate 7 correspondingly slides back and forth under the action of the sliding block 22 and the sliding groove 21, so that the first plate 7 drives the brush 8 to move, and the bristles of the brush 8 slide through the through groove 23 under the action of the through groove 23, and the lengths of the three first rods 17 are inconsistent, the position effect that the three second rod bodies 26 drive the three first plate bodies 7 to move is different, and the cleaning effect on stains in teeth is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A transmission structure of an electric toothbrush, comprising a second housing (4), a third housing (6), a bearing (18), a triangle (11) and a toothbrush case (20), characterized in that: the inner screw of the second shell (4) is connected with a motor (9), an output shaft of the motor (9) is welded with a rotating shaft (10), one end of the rotating shaft (10) is welded with a first gear (27), the first gear (27) is meshed with a second gear (28), an inner side wall of the second gear (28) is welded with a connecting shaft (19), an outer side wall of the connecting shaft (19) is welded on an inner ring of a bearing (18), an outer ring of the bearing (18) is fixedly connected with a third gear (29), one end of the connecting shaft (19) is welded with a first connecting plate (15), one side of the first connecting plate (15) is hinged with a second connecting plate (16), a through hole (12) is formed in the top of the triangular plate (11), one side of the second connecting plate (16) is fixedly connected to the inner side wall of the through hole (12), and triangular positions of the triangular plate (11) are hinged with first rod bodies (17), the spherical articulated second body of rod (26) that has of one end of the first body of rod (17), the one end of the second body of rod (26) runs through in one side of third casing (6) and toothbrush shell (20), the second body of rod (26) is located the inside one end fixedly connected with first plate body (7) of toothbrush shell (20), the top of first plate body (7) is provided with brush (8).

2. The transmission structure of an electric toothbrush according to claim 1, wherein: the inside diapire fixedly connected with fixed plate (24) of second casing (4), barrel (25) that the three equidistance of top fixedly connected with of fixed plate (24) was arranged, the inside in barrel (25) is run through with the spherical articulated department of the second body of rod (26) in the first body of rod (17).

3. The transmission structure of an electric toothbrush according to claim 1, wherein: the inside diapire of toothbrush shell (20) is seted up spout (21) that the equidistance was arranged, the inside embedding of spout (21) has slider (22), slider (22) and spout (21) sliding connection, one side fixed connection in the bottom of first plate body (7) that spout (21) were kept away from in slider (22).

4. The transmission structure of an electric toothbrush according to claim 1, wherein: the top of the toothbrush shell (20) is provided with a through groove (23) matched with the bristles of the brush (8), and the bristles of the brush (8) penetrate through the through groove (23).

5. The transmission structure of an electric toothbrush according to claim 1, wherein: and teeth (14) matched with the third gear (29) are arranged on the inner side wall of the through hole (12) in the triangular plate (11).

6. An electric toothbrush according to claims 1-5, wherein: one side of second casing (4) is provided with first casing (1), one side fixedly connected with threaded rod (3) of first casing (1), thread groove (30) with threaded rod (3) looks adaptation are seted up to one side of second casing (4), threaded rod (3) are through thread groove (30) and second casing (4) threaded connection, one side of first casing (1) is kept away from in third casing (4) fixed connection, toothbrush shell (20) fixed connection is in one side of keeping away from second casing (4) in third casing (6).

7. An electric toothbrush according to claim 6, wherein: the pipe sleeve (5) that has three equidistance to arrange is run through to one side that second casing (4) are close to third casing (6), the lateral wall of the second body of rod (26) runs through in the inside of pipe sleeve (5), the second body of rod (26) and pipe sleeve (5) sliding connection.

8. An electric toothbrush according to claim 6, wherein: switch (2) are installed to the lateral wall of first casing (1), the power output of switch (2) passes through the power input electric connection of wire and motor (9).