CN2551217Y

CN2551217Y - Electric toothbrush

Info

Publication number: CN2551217Y
Application number: CN 02235990
Authority: CN
Inventors: 邹玉华
Original assignee: Pa Shui Industries China Co ltd
Current assignee: Pa Shui Industries China Co ltd
Priority date: 2002-06-05
Filing date: 2002-06-05
Publication date: 2003-05-21
Anticipated expiration: 2012-06-05

Abstract

The utility model relates to an electric toothbrush, comprising a brush holder box, a toothbrush head and a drive rod, which is characterized in that: the front end of the brush holder box is movably connected with the toothbrush head; the drive rod is positioned in the brush holder box; a positioning block is sleeved on the drive rod body; the upper edge and the lower edge of the positioning block are propped on the cavity wall of the brush holder box; the tail end of the drive rod is sleeve-jointed with a drive rod connector; left and right equal projections are pressed at the tail end of the drive rod; a slot is arranged at the corresponding position of the drive rod connector sleeve; a brush holder head which is projecting and acts as a driving bearing is arranged in the center at the front end of the brush holder box; projecting buckling positions are arranged at the circumference of the driving bearing; a shaft core is extended in the integral center at the bottom end of the toothbrush head; notched buckling positions are arranged at the circumference of the shaft core; projecting buckling positions are arranged at the two sides of the shaft core; the brush holder box is fixedly connected with the toothbrush head through the buckling positions, and is movably connected with the driving bearing through the shaft core. Compared with the traditional toothbrush, the utility model has the advantages of simple structure, compact and firm connection among the members, no loosing and coming off among the members, and convenient use.

Description

Electric toothbrush

Technical field

This utility model relates to a kind of apparatus of washing one's face and rinsing one's mouth, and is specifically related to a kind of electric toothbrush.

Background technology

Existing electric toothbrush is to place drive mechanism in the handle box of toothbrush, and head toothbrushes is connected with the front end of handle box.Generally establish a metal bearing, and on head toothbrushes, establish a hole, wear wherein, head toothbrushes is connected with metal bearing by a metal shaft core at handle box front end; And place the metal drive link of handle box, and need with many metalworks and plastic parts is sheathed and in conjunction with the ultrasonic bonding technology, just can be connected with drive rod joint, and ultrasound wave bond drive link and handle box together easily when bonding, cause and can not rotate.Such structure, accessory is more, increases manufacturing cost, and it is undesirable to connect effect, and in use the junction often occurs loosening.In addition, the unsettled substantially handle box inner chamber that places of metal drive link in the toothbrush use, drive link can occur and rotate and relaxation, influences the normal use of toothbrush.

Summary of the invention

The purpose of this utility model is to provide a kind of compact conformation, it is simple to connect and firmly, can not occur between each parts in using rotating and the electric toothbrush of relaxation.

For achieving the above object, take following technical scheme:

The electric toothbrush that this utility model provides, comprise brush holder box, head toothbrushes and drive link, brush holder box front end and head toothbrushes flexibly connect, drive link is positioned at the brush holder box, it is characterized in that, sheathed locating piece A and locating piece B on the described drive link body of rod, locating piece A, B replace last lower edge described brush holder box internal chamber wall; Described drive link afterbody socket one drive rod joint, impartial projection about drive link body of rod afterbody pressure is made as, and described drive rod joint inside pipe casing corresponding position is established narrow groove.

Described brush holder box front end is provided with the handle head of stretching out, the handle head center is set as recess, with the recess is central distribution one circle groove and the protruding button bit of a circle, described head toothbrushes bottom one is extended a core, with the axle core is groove on the corresponding handle head in the center protruding button bit of a circle that distributes, and the protruding button bit on the corresponding handle head is established a circle groove.

Described brush holder box front end is provided with the drive bearing that the button bit that stretches out surrounds the center, and the button bit that described head toothbrushes bottom is provided with depression surrounds the axle core, and the both sides is provided with the button bit that stretches out, and it is affixed that brush holder box and head toothbrushes see through button bit.

Described locating piece is cylindric, and projection can be established in the locating piece side, and projection makes between two locating pieces and leaves the room, and lubricant can be injected in the room.

Described brush holder box is column or long and flat.

Described brush holder box front end is cylindric, and corresponding head toothbrushes also is cylindric.

Described brush holder box internal chamber wall inwardly narrows near the first end of brush holder and is one to platform.

According to technique scheme, in this utility model toothbrush, in drive link, set up two locating piece A and B, can replace brush holder box inner chamber, avoid drive link in the brush holder box, to rotate; Be located by connecting by projection and narrow groove between drive link and the drive rod joint, saved many widgets, also saved operation on the manufacturing process, be connected firmly and save cost with ultrasonic bonding; Head toothbrushes and axle core are made as one, reduce manufacturing cost equally.

Description of drawings

Fig. 1 is this utility model dens in dente brush and brush holder box connection diagram;

Fig. 2 is drive link and a locating piece connection diagram in this utility model;

Fig. 3 is this utility model drive link and drive rod joint connection diagram;

Fig. 4 is this utility model combination back generalized section.

The specific embodiment

Below in conjunction with the drawings and specific embodiments in detail this utility model is described in detail:

See in appearance that referring to Fig. 1 this utility model electric toothbrush comprises head toothbrushes 1 and brush holder box 2 two parts, brush holder box 2 is the box body of hollow, front end has handle head 21, handle head 21 is a round bearing, and circle centre position is established recess 22, is center circle groove 23 and the protruding button bit 24 that distribute gradually with the recess; Head toothbrushes 1 is a movable member, in the head toothbrushes lower middle position, one-body moldedly establish a core 11, the center recess 22 of these core 11 corresponding handle head 21, be that corresponding described groove 23 in center and protruding button bit 24 distribute gradually and one enclose protruding button bit 13 and groove 14 in addition with axle core 11, groove 23 and button bit 13 corresponding fastenings, groove 14 and button bit 24 corresponding fastenings, head toothbrushes 1 and brush holder box 2 can be by this core 11 and recess 22 and groove 23, button bit 24 and button bit 13, groove 14 butts.When motor operates in the brush holder box 2, drive head toothbrushes 1 by this core 11 and rotate.

In this utility model, the shape of brush holder box 2 can be adjusted with hobby, can be for columned, also can be for long and flat, or other shape that makes things convenient for hands to grip.

Brush holder box 2 inner chambers also can change with brush holder box-like shape, and at the end near handle head 21, described inner chamber inwardly narrows, and form one and support platform 25, can block locating piece 41 (referring to Fig. 2) to platform 25 and make it can not continue to move to handle head 21 directions.

And brush holder box 2 front end handle head 21, it also is cylindric being generally cylindric, corresponding head toothbrushes 1.

Fig. 2, Fig. 3 have shown being connected between drive link 3 and two locating pieces.Drive link 3 is a cylindrical metal bar, and locating piece A, B can be the plastic cement piece, and its height should equate with brush holder box 2 inner chamber height.Locating

piece

41,51 is socketed on the drive link 3.Locating

piece

41,51 can be square or cylindrical piece, changes according to brush holder box 2 cavity shapes, and the locating

piece

41,51 shown in the figure is cylindric, at the center of locating

piece

41,51, offers through hole 45, and for cooperating the cross sectional shape of drive link 3, through hole 45 is a flat-shaped hole.

Locating piece 41 is established projection 43 near a side of locating pieces 51, makes between the locating

piece

41,51 and leaves the room, lowers friction when drive link 3 is rotated, and can also inject lubricant between locating piece 41,51.The position and the quantity of the projection 43 on the locating piece 41 are not particularly limited, projection 43 size and highly yet do not do special restriction.

For increasing the friction between locating piece 51 and brush holder box 2 internal chamber walls, establish raised line 53 on locating piece 51 surfaces, raised line 53 is the compressing internal chamber wall closely, the pressure between reinforcement and the internal chamber wall.Raised line 53 can be many, is equally distributed four in this example, and raised line 53 also can be set as protruding grain, is evenly distributed on locating piece 51 surfaces.

Being connected between drive link 3 and the drive rod joint 6 sees also Fig. 3.Afterbody at cylindrical drive link 3, impartial projection 31 about cylinder symmetric position pressure is made as, the inside pipe casing of drive rod joint 6, corresponding projection 31, narrow groove 61 is set, and during drive rod joint 6 socket drive links 3, projection 31 supports in the narrow groove 61, make between drive link 3 and the drive rod joint 6 firmly to be connected, can not become flexible; The steadiness that is connected between

projection

31 and 61 combineds effect of narrow groove, drive link 3 and drive rod joint 6 is strengthened.

Behind said structure and annexation assembling drive link 3, again with drive link 3 with conventional method brush holder box 2 inner chambers of packing into, head toothbrushes 1 also installs on the brush holder box 2, then forms the electric toothbrush of original utility model, referring to Fig. 4.

According to the electric toothbrush of above-mentioned embodiment, than conventional power toothbrush, it is simple that structure is wanted, connect between the parts compact and firmly, loosening between can production part and rotate convenient the use.

Claims

1, a kind of electric toothbrush comprises brush holder box, head toothbrushes and drive link, and brush holder box front end and head toothbrushes flexibly connect, drive link is positioned at the brush holder box, it is characterized in that, sheathed locating piece on the described drive link body of rod, described brush holder box internal chamber wall is replaced in the lower edge on the locating piece; Described drive link afterbody socket one drive rod joint, impartial projection about drive link body of rod afterbody pressure is made as, and described drive rod joint inside pipe casing corresponding position is established narrow groove.

2, electric toothbrush according to claim 1, it is characterized in that, described brush holder box front end is provided with the handle head of stretching out, the handle head center is set as recess, with the recess is central distribution one circle groove and the protruding button bit of a circle, described head toothbrushes bottom one is extended a core, is groove on the corresponding handle head in the center protruding button bit of a circle that distributes with the axle core, and the protruding button bit on the corresponding handle head is established a circle groove.

3, electric toothbrush according to claim 1 and 2 is characterized in that, described locating piece is cylindric, and raised line is established on the locating piece surface.

4, electric toothbrush according to claim 1 and 2 is characterized in that, projection is established in described locating piece side.

5, electric toothbrush according to claim 1 and 2 is characterized in that, described brush holder box is a column.

6, electric toothbrush according to claim 1 and 2 is characterized in that, described brush holder box is a long and flat.

7, electric toothbrush according to claim 1 and 2 is characterized in that, described brush holder box front end handle head is cylindric, and corresponding head toothbrushes also is cylindric.

8, electric toothbrush according to claim 1 and 2 is characterized in that, described brush holder box internal chamber wall inwardly narrows near the first end of brush holder and is one to platform.