TW201338762A - Electric toothbrush brush with multi-brushing traces - Google Patents

Abstract

This invention provides an electric toothbrush brush with multi-brushing traces, which includes a handle unit, a linking unit, and a driving unit. The linking unit includes a brush stem inserted into the handle unit in a removable manner and a brush head formed at one end of the brush stem. The brush stem has an interlocking groove. The driving unit comprises a driving member arranged in the handle unit, a transmission member arranged inside the driving member in a rotatable manner and a connection member mounted to the driving member and connected with the transmission member. The transmission has a protrusive rib inserted in the interlocking groove. The driving member drives the transmission member to rotate, and the protrusive rib and the interlocking groove are fit with each other so that the protrusive rib drives the brush stem to reciprocally oscillate so as to make the brush head perform the brushing action.

Description

Multi-track brushing electric toothbrush

The invention relates to an electric toothbrush, in particular to an electric toothbrush which can provide multi-track brushing.

Generally, the electric toothbrush device on the market mainly comprises a holding body, and a toothbrush disposed on the holding body and driven. The toothbrush has a brush head at one end, and the brushing manner of the brush head can be roughly divided into rotation. Both the type and the micro-vibration type can be selected by the user according to their own needs and usage habits. However, this type of electric toothbrush device mainly has four shortcomings. The first item is that the brushing method only ends with the single brushing type set by the original companies when they were shipped from the factory. If the user wants to change the brushing mode, it needs Then re-purchase other types of electric toothbrush devices. The second item is that the brush head has a small brushing amplitude, so the cleaning efficiency is low, and the time required for brushing is required to be longer. The third item is that the toothbrush of the electric toothbrush device is disposed on the holding body, which is relatively easy to replace, and the cost per replacement is relatively expensive. The fourth item is that the overall device is expensive, resulting in low consumer willingness to purchase and not easy to popularize.

Accordingly, it is an object of the present invention to provide a multi-track brushed electric toothbrush that can select a brushing pattern and easily replace the brush head depending on the user's needs.

Therefore, the multi-track brushing electric toothbrush of the present invention comprises a grip unit, a linkage unit, and a driving unit.

The linkage unit includes a handle that is removably inserted into the grip unit, and a brush head disposed at one end of the handle, the handle having a card slot.

The driving unit includes a driving member disposed in the grip unit, a transmission member rotatably disposed in the grip unit, and a connecting member disposed on the driving member and coupled to the transmission member, the transmission The piece has a rib inserted into the card slot.

Wherein, the driving member drives the transmission member to rotate, and the rib cooperates with the card slot to cause the rib to interlock with the handle to reciprocate, thereby causing the brush head to perform a brushing operation.

The utility model has the advantages that the interaction between the card slot and the rib can make the brush head be driven to generate a brushing action, and the rib is inserted into the card slot to allow the user to It is easy to install and replace the interlocking unit, so it is very convenient and practical in use.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of FIG.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1, FIG. 2 and FIG. 3, a first preferred embodiment of the multi-track brushing electric toothbrush of the present invention comprises a grip unit 2, a linkage unit 3, a drive unit 4, and a switch unit 5.

Referring to FIG. 2, FIG. 3, and FIG. 4, the grip unit 2 includes a housing 21 extending along an axis L direction, a snap cover 22 pivotally disposed on the housing 21, and a retractable cover The pressing rod 23 is rotatably disposed in the fastening cover 22 .

The housing 21 has a receiving slot 211 , a mounting slot 212 on the opposite side of the receiving slot 211 , and a limiting slot 213 that communicates with the mounting slot 212 and extends away from the mounting slot 212 .

The fastening cover 22 is pivotally disposed on the housing 21 and covers the mounting slot 212 .

The limiting groove 213 has two limiting recesses 214 which are respectively disposed opposite to each other and are located on opposite sides of the axis L.

The linkage unit 3 includes a handle 31 that is removably inserted into the grip unit 2, and a brush head 32 that is disposed at one end of the handle 31. The brush handle 31 and the brush head 32 may be integrally formed by plastic injection, or a combination of two pieces, but not limited to the two.

The handle 31 has a connecting portion 311 disposed on the mounting slot 212 and connected to the transmission member 42 , and a limit disposed between the connecting portion 311 and the brush head 32 . a segment 312, and a card slot 313 disposed in the connecting segment 311. In the first preferred embodiment, as shown in FIG. 4, the cross-sectional shape of the card slot 313 is circular, and the limiting segment 312 has two recesses 314 respectively facing away from the axis L. By the design of the recesses 314, the handle 31 has a space required to be displaced in a direction perpendicular to the axis L.

The driving unit 4 includes a driving member 41 disposed in the grip unit 2, a transmission member 42 rotatably disposed in the grip unit 2, and a driving member 41 disposed on the driving member 41 and coupled to the driving member Connector 43 of 42.

The driving member 41 is disposed in the receiving groove 211. Wherein, in the first preferred embodiment, the driving member 41 is a motor.

The transmission member 42 is rotatably disposed in the mounting groove 212 and has a rib 421 slidably inserted into the slot 313. Wherein, in the first preferred embodiment, the transmission member 42 is a circular disk.

The connecting member 43 has a spindle 431 extending in the direction perpendicular to the axis L and passing through the transmission member 42 . The spindle 43 is disposed on the spindle 431 and engages with the driving member 41 and is located in the receiving slot 211 . A gear 432 and a set of oil seals 433 disposed on the mandrel 431 and located in the mounting groove 212.

The switch unit 5 is disposed on the housing 21 and electrically connected to the driving member 41 for controlling the switching action of the driving member 41. When the driving member 41 is activated, the mandrel 431 is rotated to drive the transmission member 42 to rotate as the spindle 431 rotates, so that the convex 421 disposed on the transmission member 42 follows the The transmission member 42 rotates, thereby interlocking the handle 31 to generate a reciprocating swing motion.

In use, the fastening cover 22 is opened first, and the connecting portion 311 of the handle 31 is placed in the mounting groove 212, and the limiting portion 312 is located in the limiting slot 213. The rib 421 is inserted into the card slot 313. The buckle cover 22 is further closed, and when the fastening cover 22 covers the mounting groove 212, the pressing rod 23 is pressed against the connecting portion 311 side of the handle 31, thereby The rib 421 can be confined in the card slot 313 without jumping off. When the user presses the switch unit 5, the driving member 41 drives the transmission member 42 to rotate, and the rib 421 cooperates with the slot 313 to cause the rib 421 to interlock with the handle 31 for reciprocating swing. In turn, the brush head 32 operates in an elliptical brushing trajectory. On the other hand, during the use of the present invention, it is inevitable that toothpaste foam or sewage flows into the mounting groove 212 along the handle 31, and the user can open the fastening cover 22 and directly wash it with water. The design of the oil seal 433 does not allow water to flow into the accommodating groove 211 to cause component damage.

Referring to FIG. 5, a second preferred embodiment of the multi-track brushing electric toothbrush of the present invention is substantially the same as the first preferred embodiment, and the difference is that the cross-sectional shape of the card slot 313 is long. And extending in the direction of the axis L, the handle 31 further has a limiting member 315 pivotally disposed on the limiting portion 312 and engaging with the limiting recess 214 of the limiting slot 213. The driving member 41 (see FIG. 3) drives the transmission member 42 to rotate. Because the rib 421 cooperates with the slot 313, the rib 421 interlocks the handle 31 to reciprocate, thereby making the brush The head 32 operates with a brushing trajectory that oscillates to the left and right in a direction perpendicular to the axis L.

Referring to FIG. 6, a third preferred embodiment of the multi-track brushing electric toothbrush of the present invention is substantially the same as the first preferred embodiment, and the difference is that the cross-sectional shape of the card slot 313 is long. And extending in a direction perpendicular to the axis L, the shape of the limiting segment 312 is elongated, and the driving member 41 (see FIG. 3) drives the transmission member 42 to rotate, because the rib 421 and the card The mutual engagement of the grooves 313 causes the ribs 421 to interlock with the handle 31 to reciprocate, thereby causing the brush head 32 to operate in a brushing trajectory that swings forward and backward in the direction of the axis L.

According to the above description, the multi-track brushing electric toothbrush of the present invention has the following advantages and effects:

1. The card slot 313 has a different outer shape design, and when the rib 421 is engaged with the rib 421, the brush head 32 is driven to generate different brushing motions, so that the user can adapt to his own needs. When the handle 31 is selected for use, it can conform to the Bayesian brushing method and achieve the multi-purpose effect of one machine.

2. The card slot 313 and the rib 421 are engaged with each other, and the pressing rod 23 of the fastening cover 22 can be pressed against the handle 31 side, so that the user can easily install and conveniently Replace, so it is very practical.

3. The driving member 42 that is connected to the handle 31 is mounted on the mounting groove 212 by mounting the driving member 41 to the receiving groove 211. The design is separated on the two sides, when in use, The driving member 41 can be prevented from coming into contact with water, and the service life of the present invention can be effectively improved.

Fourth, the component of the invention has a simple structure, low manufacturing cost, and can effectively reduce the product price, thereby increasing the consumer's willingness to purchase and increasing the popularity of use.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

2. . . Grip unit

twenty one. . . Shell

211. . . Locating slot

212. . . Mounting slot

213. . . Limit slot

214. . . Limit recess

twenty two. . . Buckle cover

twenty three. . . Pressure bar

3. . . Linkage unit

31. . . Brush handle

311. . . Connection segment

312. . . Limit segment

313. . . Card slot

314. . . Concave

315. . . Limiter

32. . . Brush head

4. . . Drive unit

41. . . Drive

42. . . Transmission Parts

421. . . Rib

43. . . Connector

431. . . Mandrel

432. . . gear

433. . . Oil seal

5. . . Switch unit

L. . . Axis

1 is a perspective view of a first preferred embodiment of a multi-track brushing electric toothbrush of the present invention;

Figure 2 is a perspective view of the first preferred embodiment illustrating a state in which a snap cover of a grip unit is opened;

Figure 3 is a partial cross-sectional view of the first preferred embodiment;

Figure 4 is a partial cross-sectional view of the first preferred embodiment;

Figure 5 is a partial cross-sectional view showing a second preferred embodiment of the multi-track brushing electric toothbrush of the present invention;

Figure 6 is a partial cross-sectional view showing a third preferred embodiment of the multi-track brushing electric toothbrush of the present invention.

2. . . Grip unit

twenty one. . . Shell

211. . . Locating slot

212. . . Mounting slot

213. . . Limit slot

twenty two. . . Buckle cover

twenty three. . . Pressure bar

3. . . Linkage unit

31. . . Brush handle

311. . . Connection segment

312. . . Limit segment

313. . . Card slot

32. . . Brush head

4. . . Drive unit

41. . . Drive

42. . . Transmission Parts

421. . . Rib

43. . . Connector

431. . . Mandrel

432. . . gear

433. . . Oil seal

5. . . Switch unit

Claims (10)

A multi-track brushing electric toothbrush comprising: a grip unit; a linkage unit comprising a handle that is removably inserted into the grip unit, and a brush head disposed at one end of the handle, The handle has a card slot; and a driving unit includes a driving member disposed in the grip unit, a transmission member rotatably disposed in the grip unit, and a driving member disposed on the driving member a connecting member of the transmission member, the transmission member has a rib inserted into the slot; wherein the driving member drives the transmission member to rotate, and the rib cooperates with the slot to make the protrusion The ribs move the handle to reciprocately swing, thereby causing the brush head to perform a brushing action. The multi-track brushing electric toothbrush according to claim 1, wherein the grip unit comprises a housing extending in an axial direction, the housing having a receiving slot, and a housing and the housing a mounting groove on the opposite side of the slot, the driving member is disposed in the receiving slot, the transmission member is disposed in the mounting slot, and the connecting member has a core extending perpendicular to the axis and passing through the transmission member a shaft, and a gear disposed on the spindle and engaged with the driving member and located in the receiving groove. The multi-track brushing electric toothbrush according to claim 2, wherein the grip unit further comprises a snap cover disposed on the housing and openably covering the mounting slot, and a setting The pressing rod of the buckle cover is pressed against the side of the handle when the fastening cover covers the mounting groove. The multi-track brushing electric toothbrush according to claim 2, wherein the housing further has a limiting groove communicating with the mounting groove and extending away from the mounting groove, the handle having a connecting portion disposed in the mounting slot and connected to the transmission member, and a limiting portion received in the limiting slot and located between the connecting portion and the brush head, wherein the card slot is disposed in the connecting segment . The multi-track brushing electric toothbrush according to claim 4, wherein the card slot has a circular cross-sectional shape, and the limiting segment has two concave portions respectively disposed opposite to each other, and the driving member drives the transmission member The rotation is performed such that the ribs interlock with the handle to reciprocate, thereby causing the brush head to operate in an elliptical brushing trajectory. The multi-track brushing electric toothbrush according to claim 4, wherein the card slot has an elongated cross-sectional shape and extends along the axial direction, and the limiting slot has two limiting recesses respectively disposed opposite to each other. The handle further has a limiting member pivotally disposed on the limiting portion and engaged with the limiting recesses, and the driving member drives the transmission member to rotate, so that the protruding rib links the brush The shank reciprocates, and the brush head is operated with a brushing trajectory that oscillates to the left and right in a direction perpendicular to the axis. The multi-track brushing electric toothbrush according to claim 4, wherein the card slot has an elongated cross-sectional shape and extends in a direction perpendicular to the axis, and the driving member drives the transmission member to rotate The ribs are coupled to the handle to reciprocately swing, thereby causing the brush head to operate in a brushing trajectory that swings forward and backward along the axial direction. The multi-track brushing electric toothbrush according to claim 1, further comprising a switch unit disposed on the housing and electrically connected to the driving member. The multi-track brushing electric toothbrush according to claim 2, wherein the connecting member further has an oil seal disposed on the mandrel and located in the mounting groove. The multi-track brushing electric toothbrush according to claim 1, wherein the transmission member is a disk, and the driving member is a motor.