CN201727601U

CN201727601U - Electric toothbrush head with vertical brush

Info

Publication number: CN201727601U
Application number: CN2010205038411U
Authority: CN
Inventors: 何钢
Original assignee: Individual
Current assignee: Hohai University HHU
Priority date: 2010-08-25
Filing date: 2010-08-25
Publication date: 2011-02-02
Anticipated expiration: 2020-08-25

Abstract

The utility model provides an electric toothbrush head, comprising a lower cover of the brush handle, an upper cover of the brush handle, a push rod, a connecting rod, a front brush head, a rear brush head, a spring, and a rear brush head bracket; the front brush head is assembled to the brush handle On the vertical shaft of the lower cover, the rear brush head is slidably fitted to the rear brush head bracket fixed on the upper cover of the brush handle; Dynamic connection; the connecting rod is installed in the hole of the lower cover of the brush handle, and keeps dynamic connection with the front brush head and the rear brush head respectively. Driven by the driving device on the hand-held part of the electric toothbrush, the push rod makes a reciprocating linear motion, and pushes the rear brush head to make a reciprocating linear motion along the direction perpendicular to the central axis of the push rod. At the same time, the rear brush head drives the connecting rod to swing left and right, so that The front brush head connected with the other end of the connecting rod swings left and right around the vertical rotating shaft. The two brush heads perform two different forms of movement respectively, which is beneficial to complete the cleaning work of different parts of the teeth from different angles, so it has higher tooth cleaning efficiency.

Description

The electric toothbrush head that has perpendicular brush

Technical field

This utility model relates to electric tooth brushing, especially a kind of electric toothbrush head that has a plurality of brushes.

Background technology

Compare with ordinary toothbrush, electric toothbrush by fast rotational or rectilinear motion, makes brush produce dither by motor-driven, can realize the cleaning of tooth fast, thereby electric toothbrush becomes the crowd's who payes attention to the Health and Living quality indispensable the articles for daily use gradually.At present the patent documentation of relevant electric toothbrush is a lot, but in numerous schemes based on single brush electric toothbrush of single movement form, the bristle motion form is simpler, cleaning of teeth efficient is not high; And more meet people's manual brushes custom, perpendicular brush mode electric toothbrush scheme that cleaning efficiency is higher is less.Therefore have and comprise perpendicular brush and have higher oral cavity cleaning efficient, can more fully clean, wide application prospect is arranged tooth in many brushes electric toothbrush of interior multiple forms of motion.

Summary of the invention

The purpose of this utility model is to provide a kind of simple and reliable for structure, electric toothbrush head of having perpendicular brush.The present invention is achieved by the following technical solutions: a kind of electric toothbrush head that has perpendicular brush mode comprises brush holder lower cover, brush holder loam cake, push rod, connecting rod, preceding brush, back brush, spring, back bristle holder; It is characterized in that the brush holder lower cover has vertical rotating shaft at the end away from the electric toothbrush handheld component, preceding brush rotatably is assembled in the vertical rotating shaft; The front end of described push rod has pushing block; The front end of the bottom of described back brush has two equal and opposite in directions and small lugs parallel to each other, the rear end of back brush bottom has two equal and opposite in directions and big protruding block parallel to each other, wherein big protruding block at the cross sectional shape that is parallel to push rod axis direction stepped and root length less than top length; Have rectangular opening in the middle of the back bristle holder, make back brush slidable fit in the rectangular opening on the bristle holder of back by two big protruding blocks are inserted; Between big protruding block lateral surface and brush holder loam cake inwall spring is housed, pushing block and big protruding block medial surface keep being dynamically connected.Preceding brush bottom has flat hole away from the position at its center, the two ends of connecting rod have two sections going up of making progress respectively and bend, the middle part of connecting rod has downward following bending, wherein go up in the middle of two small lugs that bend the flat Kong Yuhou brush that inserts preceding brush respectively for two sections, following bending rotatably is assemblied in the hole that covers under the brush holder.

Push rod does reciprocating linear motion under the driving device of the electric toothbrush handheld component that is dynamically connected with its maintenance drives, and under the combined effect of pushing block on the push rod and spring, back brush does reciprocating linear motion along the axis direction perpendicular to push rod; The motion of brush is then driving connecting rod swing, swings around vertical rotating shaft thereby stirring the preceding brush that is connected with the connecting rod other end; Therefore, brush and back brush moved simultaneously before the motion of push rod was finally ordered about, and drove the cleaning that the bristle that is attached on preceding brush and the back brush is finished tooth, finished the cleaning of tooth different parts jointly by the cooperation of two brushes.

This utility model advantage is: change the linear reciprocating motion of connecting rod into by the motor-driven intermediate transmission mechanism after, after adding a small amount of drive disk assembly, brush and back brush are realized swing and linear reciprocating motion respectively before just realizing simultaneously, can move from different perspectives at diverse location, drive the bristle that is fixed on the brush and come cleaning teeth; Simple and reliable for structure, the low cost of manufacture of electric toothbrush, and the back brush has realized more meeting the perpendicular brush of people's tooth-brushing habit, be easy to remove the food debris between the teeth space, the living habit that also more meets people, two brushes complement one another, under both synergy, and the better effects if of cleaning of teeth.

Description of drawings

Fig. 1 is the member exploded perspective axonometric chart of electric toothbrush head.

Fig. 2 is the bottom surface assembling perspective elevation of the main drive disk assembly of brush.

Fig. 3 is the bottom surface perspective elevation of back brush.

Fig. 4 is the perspective elevation of main drive disk assembly when pushrod movement arrives foremost.

The specific embodiment

Below in conjunction with accompanying drawing enforcement of the present utility model is described further.

This utility model can be implemented by structure shown in Figure 1: a kind of electric toothbrush head that has perpendicular brush comprises brush holder lower cover 1, brush holder loam cake 2, push rod 3, connecting rod 4, preceding brush 5, back brush 6, spring 7, back bristle holder 8, upper support piece 9, lower support piece 10; It is characterized in that brush holder lower cover 1 has vertical rotating shaft 11 at the end away from the electric toothbrush handheld component, preceding brush 5 is assembled in the vertical rotating shaft 11; Back bristle holder 8 has rectangular opening 81.

As Fig. 2, shown in Figure 3, the front end of described push rod 3 has pushing block 31, and push rod 3 is by the

upper support piece

9 and 10 supportings of lower support piece that are fixed between brush holder lower cover 1 and the brush holder lower cover 2; The front end of the bottom of described back brush 6 has two equal and opposite in directions and

small lugs

63,64 parallel to each other, the rear end of back brush 6 bottoms has two equal and opposite in directions and

big protruding block

61,62 parallel to each other, wherein

big protruding block

61 and 62 at the cross sectional shape that is parallel to push rod 3 axis directions stepped and root length less than top length; Be fitted on the bristle holder 8 of back in big protruding block 61 and the 62 insertion rectangular openings 81 back brush 6 being slided; Between the inwall of big protruding block 61 lateral surface 611 and brush holder loam cake 2, spring 7 is housed; Pushing block 31 keeps being dynamically connected with big protruding block 61 medial surface 612.The bottom of preceding brush 5 has flat hole 52, the two ends of connecting rod 4 have two sections going up of making progress respectively and bend 41 and 43, the middle part of connecting rod 4 has downward following bending 42, wherein go up bending 41 and 43 insert respectively before the flat hole 52 of brush 5 middle with two small lugs 63 of back brush 6 with 64, on following bending 42 holes 12 that rotatably are assembled on the brush holder lower cover 1.

Push rod 3 is under the driving device of the electric toothbrush handheld component that is dynamically connected with its maintenance drives, do reciprocating linear motion, at this moment, under the combined effect of pushing block on the push rod 3 31 and spring 7, order about back brush 6 and do reciprocating linear motion along axis direction perpendicular to push rod 3; Rectilinear motion drivening rod 4 swings of back brush 6, and in connecting rod 4 swings, stirring the preceding brush 5 that is connected with connecting rod 4 other ends, brush 5 swings around vertical rotating shaft 11 before making.The location state diagram of brush 5, back brush 6, push rod 3 and connecting rod 4 before Fig. 4 has provided when push rod 5 moves to foremost.Adopt above-mentioned brush drive mechanism, brush 5 and back brush 6 move simultaneously before finally making the motion of push rod 3 order about, and drive be attached to before bristle on brush 5 and the back brush 6 finish the cleaning of tooth, wherein the back brush has realized more meeting the perpendicular brush of people's tooth-brushing habit, not only be easy to be accepted, and be easy to remove food debris between the teeth space by consumer; Finish the cleaning of tooth different parts jointly by the cooperation of two brushes, the effect of cleaning is better.

Claims

1. an electric toothbrush head that has perpendicular brush comprises brush holder lower cover (1), brush holder loam cake (2), push rod (3), connecting rod (4), preceding brush (5), back brush (6), spring (7), back bristle holder (8); It is characterized in that described brush holder lower cover (1) has vertical rotating shaft (11) at the end away from the electric toothbrush handheld component, preceding brush (5) rotatably is assembled in the vertical rotating shaft (11); Back brush (6) slides equipped with the back bristle holder (8) that is fixed in brush holder loam cake (2); Push rod (3) does reciprocating linear motion under the driving device of the electric toothbrush handheld component that is dynamically connected with its maintenance drives.

2. electric toothbrush head as claimed in claim 1 is characterized in that, the front end of described push rod (3) has pushing block (31); The front end of the bottom of described back brush (6) has two equal and opposite in directions and small lugs (63), (64) parallel to each other, the rear end of back brush (6) bottom has two equal and opposite in directions and big protruding block (61), (62) parallel to each other, wherein big protruding block (61) and (62) at the cross sectional shape that is parallel to push rod (3) axis direction stepped and root length less than top length; Back bristle holder (8) has rectangular opening (81), and big protruding block (61) and (62) are inserted and made back brush (6) equipped with back bristle holder (8) slip in the rectangular opening (81); Between big protruding block (61) lateral surface (611) and brush holder loam cake (2) inwall, spring (7) is housed; Pushing block (31) keeps being dynamically connected with big protruding block (61) medial surface (612), when push rod (3) when coming and going rectilinear motion, under the combined effect of pushing block (31) and spring (7), back brush (6) does reciprocating linear motion along the axis direction perpendicular to push rod (3).

3. electric toothbrush head as claimed in claim 1 or 2, it is characterized in that, brush (5) bottom has flat hole (52) before described, the two ends of connecting rod (4) have two sections going up of making progress respectively and bend (41) and (43), the middle part of connecting rod (4) has downward following bending (42), wherein go up bending (41) and (43) inserts respectively before the flat hole (52) of brush (5) middle with two small lugs (63) of back brush (6) with (64), following bend (42) rotatably are assemblied on the hole (12) on the brush holder lower cover (1); When back brush (6) along perpendicular to the axis direction linear reciprocating motion of push rod (3) time, back brush (6) orders about connecting rod (4) and swings, the swing of connecting rod (4) can be stirred the preceding brush (5) that is connected with connecting rod (4) other end again, thereby preceding brush (5) is swung around vertical rotating shaft (11).