CN217244911U

CN217244911U - Electric toothbrush

Info

Publication number: CN217244911U
Application number: CN202220723977.6U
Authority: CN
Inventors: 谢炳燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-23
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses an electric toothbrush, which comprises a toothbrush handle internally provided with a holding space, wherein a motor, a storage battery and a circuit board which are matched with the motor are arranged in the holding space; the utility model improves the internal transmission component and the small toothbrush head, so that the overall cost is lower; in addition, the motor controls the toothbrush head to rotate forwards or backwards through the improved transmission assembly, so that the stability is higher, the comfort level is better, and the requirement of efficient tooth brushing is met.

Description

Electric toothbrush

Technical Field

The utility model relates to the field of daily life, in particular to an electric toothbrush with a replaceable small toothbrush head.

Background

At present, electric toothbrush generally includes toothbrush head and toothbrush handle, installs the drive shaft on the toothbrush handle and drives the motor of drive shaft vibration, and the drive shaft is connected with the toothbrush head again, and then drives the toothbrush head vibration. However, the existing electric toothbrush has overlarge replaced toothbrush head and high cost; in addition, the electric toothbrush adopts a vibration mode to brush teeth, and the stability is to be improved and further improved; the applicant provides further improvement on the basis of the above, and designs an electric toothbrush to meet the requirements of the existing market.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric toothbrush which can solve the technical problem.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an electric toothbrush, includes the inside toothbrush handle that forms the accommodation space install the motor in the accommodation space, battery and the circuit board that matches with the motor, its characterized in that: the toothbrush further comprises a transmission assembly which is positioned in the accommodating space and is matched with the output end of the motor, the transmission assembly is provided with a small toothbrush head which is movably installed and connected, and the motor controls the small toothbrush head to rotate forwards or reversely through the transmission assembly to brush teeth.

The utility model is further optimized, the containing space comprises a first space, a second space and a third space which are communicated with each other;

the third space forms a through hole which is communicated with the outside of the toothbrush handle;

a bottom mounting end arranged opposite to the front and the back of the through opening is formed on the third space;

a bearing mounting cavity is formed at a port of the second space near the third space.

To the utility model discloses do further preferred, little toothbrush head includes the mount pad, the upper end face of mount pad forms brush portion the lower terminal surface of mount pad forms the installation cavity, form the installation head in the installation cavity.

It is further preferred to the utility model discloses, drive assembly is including connecting rod, first gear and the second gear that the transmission connects in proper order.

It is further preferred to the utility model discloses, the one end of connecting rod meets each other with the output of motor, and the other end forms the grafting end that is used for first gear installation.

Further preferably, the first gear comprises a first gear part and a fixed rod which are integrally formed;

the fixed rod is arranged in the insertion end of the connecting rod;

the fixed rod is arranged at the bearing installation cavity through a bearing to realize free rotation of the first gear;

the first gear part of the first gear is positioned in the third space and is in meshed transmission connection with the second gear part of the second gear.

The utility model is further optimized, the second gear is positioned in the third space;

the second gear comprises a second gear part which is integrally formed, and a fixed end and a mounting end which are positioned at two ends of the second gear part;

the fixed end is arranged at the bottom mounting end;

the mounting end is mounted at the through hole through a bearing, and the second gear freely rotates in the third space;

and the mounting end is provided with a mounting groove matched with the mounting head.

It is right the utility model discloses do further preferred, the iron bar that is equipped with the evagination is served in the bottom installation, the second gear passes through the stiff end and pegs graft on the iron bar.

It is right to the utility model discloses do further preferred, form the cavity on the bottom installation end, the stiff end of second gear with through bearing swing joint between the cavity of bottom installation end.

The utility model discloses do further preferred, the bottom of toothbrush handle has the base toothbrush handle is last to have the interface that charges that matches with the battery.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

the utility model comprises a toothbrush handle with a containing space formed inside, a motor, a storage battery and a circuit board which are matched with the motor are arranged in the containing space, and the toothbrush also comprises a transmission component which is arranged at the output end of the motor, wherein the transmission component is provided with a small toothbrush head which is movably arranged and connected, and the motor controls the small toothbrush head to rotate forwards or backwards through the transmission component to brush teeth; the utility model improves the internal transmission component and the small toothbrush head, so that the overall cost is lower; in addition, the motor controls the toothbrush head to rotate forwards or backwards through the improved transmission assembly, so that the stability is higher, the comfort level is better, and the efficient tooth brushing requirement is met.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the middle tooth brush handle of the utility model.

Fig. 3 is a schematic view of the middle toothbrush handle of the utility model.

Fig. 4 is a schematic view of the interior of the toothbrush handle of the present invention.

Fig. 5 is a schematic view of the circled portion of fig. 4.

Fig. 6 is a schematic view of a portion of a transmission assembly according to the present invention.

Figure 7 is a schematic view of a toothbrush head of the present invention.

FIG. 8 is a schematic structural view of embodiment 2.

Fig. 9 is a schematic view of a circled portion in fig. 8.

Fig. 10 is a schematic view of the second gear in embodiment 2.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

as shown in fig. 1 to 6, the utility model discloses an electric toothbrush, including the inside toothbrush handle 2 that forms the accommodation space install motor 3 in the accommodation space, battery 4 and circuit board 5 that match with motor 3, its characterized in that: still including being located the transmission assembly of 3 outputs of motor, this transmission assembly is located the accommodation space, transmission assembly has movable erection joint's little toothbrush head 6, and convenient the change adopts little toothbrush head reduce cost in addition, reduces unnecessary extravagant, motor 3 brushes the tooth through 6 corotation of transmission assembly control little toothbrush head or reversal, the utility model discloses a motor control realizes corotation and the reversal of toothbrush head, and the efficiency and the quality of brushing teeth like this all can improve.

Fig. 2 and 3 illustrate that the accommodating space 1 of the present invention includes a first space 11, a second space 12 and a third space 13 which are communicated with each other; wherein the third space 13 forms the through opening 14 communicating with the outside, form bearing installation cavity 121 at second space 12 port, form the bottom installation end 15 that sets up with through opening 14 relatively on the third space 13, wherein first space 11 is used for installing motor 3, battery 4 and circuit board 5.

As shown in fig. 4, 5 and 6, the transmission assembly of the present invention includes a connecting rod 7, a first gear 8 and a second gear 9, which are connected in sequence, wherein one end of the connecting rod 7 is connected to an output end of the motor, and the other end of the connecting rod forms an insertion end for installing the first gear 8, the first gear 8 includes a first gear part 80 and a fixing rod 81, which are integrally formed, and the fixing rod 81 and the insertion end of the connecting rod 7 are installed to each other, so as to realize power transmission; the fixing rod 81 is installed at the bearing installation cavity 121 through the bearing 10, the first gear part 80 of the first gear 8 is located in the third space 13 and is in meshing transmission connection with the second gear part 90 of the second gear 9, the second gear 9 is located in the third space 13 and includes a second gear portion 90, a fixed end 91 and a mounting end 92 at two ends of the second gear portion 90, wherein the fixing end 91 is installed at the bottom installation end 15, a cavity is formed on the bottom installation end 15, the fixed end 91 of the second gear 9 is movably connected with the cavity of the bottom mounting end 15 through a bearing 10, the mounting end 92 is mounted at the through hole 14 through the bearing 10, therefore, the second gear can rotate freely, and the mounting end 92 is provided with a mounting groove 93 for mounting the toothbrush head 6, so that the toothbrush head is convenient to replace, and the operation is very simple. It should be noted that the first gear and the second gear of the present invention may be crown teeth, straight teeth, helical teeth, or other types, but the present invention is not limited thereto.

Fig. 7 shows that the toothbrush head 6 of the present invention includes a mounting base 61, a brush part 62 is formed on the upper end surface of the mounting base 61, a mounting cavity 63 is formed on the lower end surface of the mounting base 61, and a mounting head 64 matched with the mounting groove 93 is formed in the mounting cavity 63.

The bottom of toothbrush handle 2 has base 1, makes things convenient for placing of toothbrush, forms control button 16 and corresponding mouth that charges on toothbrush handle 2, charges to the battery through the mouth that charges.

Example 2:

as shown in fig. 8, 9 and 10, the difference from embodiment 1 is: in the utility model, the bottom mounting end 15 is provided with an outward-protruding iron rod 151, and the second gear 9 is inserted into the iron rod 151 through the fixed end 91; wherein, the fixed end 91 of the second gear 9 is provided with a socket 94 matched with the iron rod 151, so that the second gear rotates more stably, and the toothbrush head rotates efficiently and stably.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The electric toothbrush comprises a toothbrush handle with an accommodating space formed inside, a motor, a storage battery and a circuit board, wherein the storage battery and the circuit board are matched with the motor, and the electric toothbrush is characterized in that: the toothbrush is characterized by further comprising a transmission assembly which is located in the accommodating space and matched with the output end of the motor, the transmission assembly is provided with a small toothbrush head which is movably installed and connected, and the motor controls the small toothbrush head to rotate forwards or backwards through the transmission assembly to brush teeth.

2. An electric toothbrush according to claim 1, wherein: the accommodating space comprises a first space, a second space and a third space which are communicated with each other;

a bottom mounting end arranged in front of and behind the through opening is formed in the third space;

3. An electric toothbrush according to claim 1, wherein: the small toothbrush head comprises a mounting seat, a brush part is formed on the upper end face of the mounting seat, a mounting cavity is formed on the lower end face of the mounting seat, and a mounting head is formed in the mounting cavity.

4. An electric toothbrush according to claim 1, 2 or 3, wherein: the transmission assembly comprises a connecting rod, a first gear and a second gear which are in transmission connection in sequence.

5. An electric toothbrush according to claim 4, wherein: one end of the connecting rod is connected with the output end of the motor, and the other end of the connecting rod forms an inserting end used for installing the first gear.

6. An electric toothbrush according to claim 4, wherein: the first gear comprises a first gear part and a fixed rod which are integrally formed;

the fixed rod is arranged in the insertion end of the connecting rod;

7. An electric toothbrush according to claim 4, wherein: the second gear is positioned in the third space;

the fixed end is arranged at the bottom mounting end;

the mounting end is mounted at the through hole through a bearing, and the second gear freely rotates in a third space;

8. An electric toothbrush according to claim 7, wherein: an outer convex iron rod is arranged at the bottom mounting end, and the second gear is inserted into the iron rod through a fixed end.

9. An electric toothbrush according to claim 7, wherein: the bottom installation end is provided with a concave cavity, and the fixed end of the second gear is movably connected with the concave cavity of the bottom installation end through a bearing.

10. An electric toothbrush according to claim 1, wherein: the toothbrush handle is characterized in that a base is arranged at the bottom of the toothbrush handle, and a charging interface matched with a storage battery is arranged on the toothbrush handle.