CN211534933U

CN211534933U - Electric tooth brush

Info

Publication number: CN211534933U
Application number: CN202020079549.5U
Authority: CN
Inventors: 张炎松
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-22
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses an electric toothbrush, including brush head and brush body, the brush head is established in the one end of the brush body, is equipped with eccentric wheel mechanism on the brush body, and eccentric wheel mechanism drives the reciprocal translation of brush head, and the brush head is brushed teeth through reciprocal translation. The utility model provides an eccentric wheel mechanism can drive the brush head and carry out reciprocating translation, consequently, the utility model discloses be not the small scale vibrations, but brush teeth through the reciprocating translation of brush head and vibrations (increase the eccentric motor among the prior art and just can vibrate), the range of brush head motion is scientific professional, and the motion mode is close "the babu method of brushing teeth", more conveniently brushes teeth to the effect of brushing teeth is also better.

Description

Electric tooth brush

Technical Field

The utility model belongs to the technical field of electronic brushing teeth device, concretely relates to electric toothbrush.

Background

The electric toothbrush can break up toothpaste into fine foam and deeply clean teeth by the high-frequency vibration of the brush head generated by the rapid rotation or vibration of the motor.

However, in the use of electric toothbrushes, the structure of common electric toothbrushes is often: the vibration motor (or the eccentric motor) is connected with the brush head, the vibration motor (or the eccentric motor) drives the brush head to vibrate in a small range or rotate around a certain circle center, so that a user can not brush teeth more effectively according to the internationally recognized Pasteur toothbrush method, and the brush head can not move transversely and scientifically in the oral cavity, therefore, the effect of cleaning teeth is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the present invention provides an electric toothbrush.

According to an aspect of the utility model, an electric toothbrush is provided, including brush head and brush body, the brush head is established in the one end of the brush body, is equipped with eccentric wheel mechanism on the brush body, and eccentric wheel mechanism drives the reciprocal translation of brush head, and the brush head is brushed teeth through reciprocal translation.

The utility model provides an eccentric wheel mechanism can drive the brush head and carry out reciprocating translation, consequently, the utility model discloses be not the small scale vibrations, but brush teeth through the reciprocating translation of brush head and vibrations (increase the eccentric motor among the prior art and just can vibrate), the range of brush head motion is scientific professional, and the motion mode is close "the babu method of brushing teeth", more conveniently brushes teeth to the effect of brushing teeth is also better.

In some embodiments, the eccentric mechanism comprises a driving motor, a transmission gear set, an eccentric and a transmission rod, the driving motor drives the eccentric to rotate through the transmission gear set, one end of the transmission rod is arranged on the eccentric, and the other end of the transmission rod is connected with the brush head.

In some embodiments, the transmission gear set comprises a big umbrella face gear and a small umbrella face gear which are meshed with each other, the small umbrella face gear is connected with an output shaft of the driving motor, and the eccentric wheel is connected with the big umbrella face gear. From this, when driving motor started, can drive little umbrella face gear revolve, little umbrella face gear can drive big umbrella face gear revolve, big umbrella face gear drives the eccentric wheel and rotates, the eccentric wheel rotates the in-process and can promote the transfer line and carry out the translation, can drive the brush head during the transfer line translation and carry out the translation, brush the head translation in-process and can brush teeth, because brush head translation is bigger with the range of brush head vibrations in addition to the effect of brushing teeth is better.

In some embodiments, the eccentric is circular, the central axis of the eccentric coincides with the central axis of the drive gear set, one end of the brush head is provided with a connecting piece, and the other end of the drive rod is rotatably connected with the connecting piece. Therefore, the large umbrella face gear can drive the eccentric wheel to coaxially rotate, the eccentric wheel can drive one end of the transmission rod to rotate, and the other end of the transmission rod drives the brush head to horizontally move.

In some embodiments, an eccentric rod is arranged at an eccentric position on the front side surface of the eccentric wheel, and one end of the transmission rod is sleeved on the eccentric rod.

In some embodiments, a closed annular groove is provided in the eccentric position of the front side of the eccentric, and one end of the drive rod is disposed in and moves along the annular groove.

In some embodiments, the brush body is provided with a linear sliding groove, one end of the connecting piece is clamped in the linear sliding groove and moves along the linear sliding groove, the connecting piece is sleeved with a spring, one end of the spring abuts against the brush head, and the other end of the spring abuts against the brush body. From this, the spring can play the effect of buffering, and the connecting piece can move along the straight line spout.

In some embodiments, the brush further comprises a power source disposed at the other end of the brush body. Thus, the power supply can supply electric power to the drive motor.

In some embodiments, the toothbrush further comprises an eccentric motor, wherein the eccentric motor is arranged in the toothbrush head, and the eccentric motor drives the toothbrush head to vibrate.

In some embodiments, the toothbrush further comprises a sonic vibration motor, and the sonic vibration motor is arranged between the connecting rod and the toothbrush head. From this, sound wave shock dynamo can drive the brush head and shake, the utility model discloses the electric toothbrush's of still having prior art function.

Drawings

Fig. 1 is a schematic structural view of an electric toothbrush according to an embodiment of the present invention;

FIG. 2 is a schematic view of the electric toothbrush of FIG. 1 showing a hidden power source and a hidden portion of the brush body;

FIG. 3 is a schematic view of the electric toothbrush shown in FIG. 1 with a hidden power source and another hidden brush body;

FIG. 4 is a schematic structural view of an eccentric wheel mechanism of an electric toothbrush according to another embodiment of the present invention;

fig. 5 is a schematic structural view of an electric toothbrush according to still another embodiment of the present invention.

In the figure: 1-a brush head; 2-a brush body; 21-a linear chute; 22-a bump; 3-an eccentric wheel mechanism; 31-a drive motor; 311-a reducer; 32-a drive gear set; 321-small umbrella face gear; 322-big umbrella face gear; 33-eccentric wheel; 331-eccentric rod; 332-an annular groove; 34-a transmission rod; 341-protruding rod; 4-a connector; 41-a spring; 5-a power supply; 6-sound wave vibration motor.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The implementation benefit is as follows:

fig. 1 to 3 schematically show a structure of an electric toothbrush according to an embodiment of the present invention.

As shown in fig. 1 to 3, in the present embodiment, an electric toothbrush includes a head 1 and a body 2. In addition, the electric toothbrush further includes a power source 5.

As shown in fig. 1 and 2, in this embodiment, the brush head 1 can be installed at the left end of the brush body 2, the eccentric wheel mechanism 3 is installed on the brush body 2, when the eccentric wheel mechanism 3 is started, the brush head 1 can be driven to move horizontally left and right, the brush head 1 can be contacted with teeth, so that the brush head 1 can move horizontally left and right to brush teeth.

In this embodiment, as shown in fig. 2 and 3, the eccentric wheel mechanism 3 includes a driving motor 31, a transmission gear set 32, an eccentric wheel 33 and a transmission rod 34, the driving motor 31 may be fixedly installed at the right end of the brush body 2, the driving motor 31 may drive the eccentric wheel 33 to rotate through the transmission gear set 32, the right end of the transmission rod 34 may be installed on the eccentric wheel 33, and the left end may be connected to the brush head 1.

Next, the structure of the transmission gear train 32 in the eccentric wheel mechanism 3 will be described: as shown in fig. 2 and 3, the transmission gear set 32 includes a big umbrella face gear 322 and a small umbrella face gear 321 which are engaged with each other, the small umbrella face gear 321 can be coaxially connected with an output shaft of the driving motor 31, the eccentric wheel 33 can be connected with the big umbrella face gear 322, when the driving motor 31 is started, the small umbrella face gear 321 can be driven to rotate, the small umbrella face gear 321 can drive the big umbrella face gear 322 engaged with the small umbrella face gear to rotate, the big umbrella face gear 322 can drive the eccentric wheel 33 to rotate, the right end of the transmission rod 34 can be driven to rotate during the rotation of the eccentric wheel 33, the left end of the transmission rod 34 correspondingly translates, when the left end of the transmission rod 34 translates, the brush head 1 can be driven to translate left and right, when the brush head 1 translates left and right, the brush head 1 can brush teeth, when the brush head 1 translates left and right, the.

In the present embodiment, the cross section of the eccentric wheel 33 is circular, the central axis of the eccentric wheel 33 coincides with the central axis of the transmission gear set 32, the right end of the brush head 1 is provided with the connecting piece 4, the left end of the transmission rod 34 can be rotatably connected with the right end of the connecting piece 4, the specific rotation mode is as shown in fig. 2 and 3, the joint of the left end of the transmission rod 34 and the right end of the connecting piece 4 is provided with a rotating shaft, and the transmission rod can be rotatably connected through the rotating shaft; therefore, when the large bevel gear 322 in this embodiment rotates, the eccentric wheel 33 can be driven to rotate coaxially, the eccentric wheel 33 can drive the right end of the transmission rod 34 to rotate, the left end of the transmission rod 34 rotates around the right end of the connecting piece 4, and the connecting piece 4 can be pushed to translate left and right, and the brush head 1 is driven to translate left and right during the translation process of the connecting piece 4.

In the present embodiment, the eccentric wheel 33 is specifically configured as shown in fig. 2 and 3, an eccentric rod 331 is integrally formed at an eccentric position (i.e., offset from the central axis of the eccentric wheel 33) on the front side surface of the eccentric wheel 33, an annular sleeve is integrally formed at the right end of the driving lever 34, and the eccentric rod 331 is fixed at an intermediate position of the annular sleeve, so that the right end of the driving lever 34 can be fixedly mounted on the eccentric rod 331. When the eccentric wheel 33 rotates, the eccentric rod 331 rotates around the central axis of the eccentric wheel 33, the eccentric rod 331 rotates the right end of the driving rod 34 around the central axis of the eccentric wheel 33, the left end of the driving rod 34 rotates around the right end of the connecting member 4, and the left end of the driving rod 34 pulls the connecting member 4 to move left and right.

In the present embodiment, as shown in fig. 2 and 3, a straight sliding groove 21 is integrally formed on the brush body 2, the straight sliding groove 21 is in the left-right direction shown in fig. 2 and 3, the right end of the connecting member 4 can be clamped in the straight sliding groove 21 (i.e. a protrusion is formed on the back surface of the connecting member 4, and the protrusion can be clamped in the straight sliding groove 21), and the connecting member 4 can linearly move along the straight sliding groove 21; in addition, as can be seen from fig. 2, the connecting member 4 is sleeved with the spring 5, a step is formed at the joint of the brush head 1 and the connecting member 4, the left end of the spring 5 can prop against the step, meanwhile, the left end of the linear sliding groove 21 is formed with the projection 22, the right end of the spring 5 can prop against the projection 22, and when the connecting member 4 moves horizontally along the linear sliding groove 21 left and right, the spring 5 can be compressed or released, so that the buffering effect can be achieved.

In the present embodiment, as shown in fig. 1, a power supply 5 is mounted at the right end of the brush body 2, the power supply 5 can supply power to the driving motor 31, and the power supply 5 can be a dry battery or a storage battery as long as it can supply power to the driving motor 31.

Still include eccentric motor in this embodiment, eccentric motor establishes in brush head 1, and eccentric motor drives brush head 1 vibrations, because the connection structure of eccentric motor and brush head 1 belongs to prior art, consequently, no longer gives unnecessary details.

In addition, in this embodiment, a speed reducer 311 may be further added, the driving motor 31 is connected to the bevel pinion 321 through the speed reducer 311, the speed reducer 311 may be a structure formed by a gear set, and the speed reducer 311 may reduce the rotation speed output by the motor and increase the rotation force, and the specific structure thereof may be completely the same as the structure of the speed reducer 311 in the prior art, and will not be described in detail here.

Example two:

fig. 4 schematically shows the structure of an eccentric wheel mechanism 3 in an electric toothbrush according to another embodiment of the present invention.

As shown in fig. 4, in the present embodiment, other structures may be completely the same as those of the first embodiment except that the structure of the eccentric wheel mechanism 3 is different from that of the first embodiment of the eccentric wheel mechanism 3.

In the present embodiment, in addition to the following structure: namely, a closed annular groove 332 is integrally formed at an eccentric position on the front side surface of the eccentric wheel 33, a protruding rod 341 can be formed on the front back surface of the right end of the transmission rod 34, the protruding rod 341 can be snapped into the closed annular groove 332, and the protruding rod 341 can move along the annular groove 332; the other parts of the eccentric wheel mechanism 3 can be completely the same as the eccentric wheel mechanism 3 of the first embodiment, and are not described again.

When the eccentric 33 rotates, the right end of the driving rod 34 can move along the annular groove 332, and the left end of the driving rod 34 rotates around the right end of the connecting member 4, and the left end of the driving rod 34 pulls the connecting member 4 to translate left and right.

Example three:

fig. 5 schematically shows the structure of an electric toothbrush according to still another embodiment of the present invention.

On implementing the basis of advantage one, this embodiment still includes sound wave shock dynamo 6, and sound wave shock dynamo 6 is installed between connecting piece 4 and brush head 1, and connecting piece 4 can drive sound wave shock dynamo 6 translation, and sound wave shock dynamo 6 can drive brush head 1 translation, and in addition, sound wave shock dynamo 6 can also drive brush head 1 and shake, and sound wave shock dynamo 6 can also drive brush head 1 and carry out the principle of vibrations and can be the same completely with prior art (thereby sound wave shock dynamo 6 reciprocating rotation forms vibrations promptly), consequently, the utility model discloses the function of the electric toothbrush of prior art still has.

In addition, in other embodiments, the sound wave vibration motor 6 may be added on the basis of the second embodiment, and the structure and function of the sound wave vibration motor 6 may be completely the same as those of the third embodiment.

In summary, the structure of the eccentric wheel mechanism 3 is not limited to the first embodiment and the second embodiment, and only the eccentric wheel mechanism 3 is required to drive the brush head 1 to translate. In addition, the acoustic wave vibration motor 6 may or may not be provided.

In the utility model, when the driving motor 31 is started, the drivable eccentric wheel mechanism 3 can drive the transmission gear set 32 to rotate, the transmission gear set 32 drives the eccentric wheel 33 to rotate, the eccentric wheel 33 drives the right end of the transmission rod 34 to rotate, the left end of the transmission rod 34 drives the connecting piece 4 to translate left and right, and the connecting piece 4 drives the brush head 1 to translate left and right; therefore, the utility model is not vibration in a small range, but the reciprocating translation of the brush head 1 is added with vibration to brush teeth, the range of the motion of the brush head 1 is scientific and professional, the motion mode is close to the 'Pasteur tooth brushing method', and the tooth brushing effect is better.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. An electric toothbrush characterized by: including brush head (1) and the brush body (2), establish brush head (1) the one end of the brush body (2), be equipped with eccentric mechanism (3) on the brush body (2), eccentric mechanism (3) drive brush head (1) translation that reciprocates, brush head (1) brushes teeth through reciprocal translation.

2. The electric toothbrush of claim 1, wherein: eccentric wheel mechanism (3) include driving motor (31), drive gear group (32), eccentric wheel (33) and transfer line (34), driving motor (31) drive through drive gear group (32) eccentric wheel (33) rotate, establish the one end of transfer line (34) on eccentric wheel (33), the other end with brush head (1) links to each other.

3. The electric toothbrush of claim 2, wherein: drive gear group (32) are including intermeshing's big umbrella face gear (322) and little umbrella face gear (321), little umbrella face gear (321) with the output shaft of driving motor (31) links to each other, eccentric wheel (33) with big umbrella face gear (322) link to each other.

4. The electric toothbrush of claim 3, wherein: the toothbrush is characterized in that the eccentric wheel (33) is circular, the central shaft of the eccentric wheel (33) coincides with the central shaft of the transmission gear set (32), a connecting piece (4) is arranged at one end of the toothbrush head (1), and the other end of the transmission rod (34) is rotatably connected with the connecting piece (4).

5. The electric toothbrush of claim 4, wherein: an eccentric rod (331) is arranged at an eccentric position on the front side surface of the eccentric wheel (33), and one end of the transmission rod (34) is sleeved on the eccentric rod (331).

6. The electric toothbrush of claim 4, wherein: a closed annular groove (332) is formed in the eccentric position of the front side face of the eccentric wheel (33), and one end of the transmission rod (34) is arranged in the annular groove (332) and moves along the annular groove (332).

7. The electric toothbrush according to claim 5 or 6, wherein: be equipped with sharp spout (21) on the brush body (2), the one end card of connecting piece (4) is in remove along sharp spout (21) in sharp spout (21), the cover is equipped with spring (41) on connecting piece (4), the one end of spring (41) withstands brush head (1), and the other end withstands brush body (2).

8. The powered toothbrush as defined in claim 7, wherein: the brush is characterized by further comprising a power supply (5), wherein the power supply (5) is arranged at the other end of the brush body (2).

9. The powered toothbrush as defined in claim 8, wherein: still include eccentric motor, eccentric motor establishes in brush head (1), eccentric motor drives brush head (1) vibrations.

10. The powered toothbrush as defined in claim 8, wherein: the toothbrush further comprises a sound wave vibration motor (6), wherein the sound wave vibration motor (6) is arranged between the connecting rod and the toothbrush head (1).