CN2306760Y

CN2306760Y - Electric rotary toothbrush

Info

Publication number: CN2306760Y
Application number: CN 97228241
Authority: CN
Inventors: 董国光
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-10-15
Filing date: 1997-10-15
Publication date: 1999-02-10
Anticipated expiration: 2007-10-15

Abstract

The utility model discloses an electric rotary toothbrush, which is characterized in that the left and the right ends of a round barrel type brush handle are respectively connected with a brush body and a end cover through screw threads, a battery is connected in series in the brush handle, one end of the battery contacts a wiring spring piece which is fixed on one end cover and is connected with a connection wire, the other end of the battery is connected with a three-position change-over switch through a lug, two ends of the three-position change-over switch are respectively and electrically connected with the lug and the connection wire, a semi-closed cover is sheathed on the external cylinder of the left end of the brush body, the inner cavity of the brush body is provided with a long shaft motor, the end of a motor shaft and a brush roller moulded with brush bristles are in an interference fit, and a sealing ring is arranged between the brush body and the long shaft.

Description

Electrical rotary toothbrush

This utility model relates to a kind of electrical rotary toothbrush.

Along with growth in the living standard, the enhancing of health perception, people are more and more higher to the requirement of oral hygiene, requirement to toothbrush also improves thereupon, yet the toothbrush of selling on the market is also just done to improve bristle tuft shape and material, still continues to use the conventional reciprocating formula, the food slag that residues in teeth crevice is difficult to remove totally, causes dental caries in the course of time

This utility model provides a kind of electrical rotary toothbrush at the problems referred to above.

Task of the present utility model is finished as follows: two ends, the cylindric brush holder left and right sides respectively with brush body, end cap joins with screw thread, serial connection battery in the brush holder, battery one end contacts with connective spring plate, spring leaf is fixed on the end cap, and link to each other with line, the battery other end links to each other with three pole changers by lug plate, brush body is connected by nail with three pole changers, three pole changer two ends respectively with lug plate, line is done and is electrically connected, be with semiclosed protective cover on the brush body left end outside cylinder, the brush body inner chamber is equipped with the major axis motor, and motor shaft end rolls across to be full of with the brush of moulding bristle and cooperates, and between brush body and major axis sealing ring is housed.

A left side was push-jump to switch when this utility model used, circuit is connected, battery powered, and motor is rotated counterclockwise, see through the semiclosed part of protective cover and expose the bristle that is rotating, right push-jump to switch, the motor counter-rotating, brush rolls along the inserting needle rotation, so just, can guarantee to use the right-hand man to scrub the both sides tooth keeps brushing to roll rotating up, the outwash teeth space advances the motor stall when pole changer is in meta; This utility model utilizes motor to rotate and drives the bristle rotation according to the tooth arrangement structure, and the food slag that easily will residue in teeth crevice is removed totally, makes the oral cavity much cleaner.

Below in conjunction with accompanying drawing this utility model is done and to be described in further detail:

Fig. 1 is this utility model overall structure figure

With reference to accompanying drawing 1, two ends, cylindric brush holder 1 left and right sides respectively with brush body 2, end cap 3 joins with screw thread, serial connection battery 4 in the brush holder, battery one end contacts with connective spring plate 5, spring leaf is fixed on the end cap, and link to each other with line 6, the battery other end links to each other with three pole changers 8 by lug plate 7, brush body is connected by nail 9 with three pole changers, three pole changer two ends respectively with lug plate 7, line 6 is done and is electrically connected, and is with semiclosed protective cover 10 on the brush body left end outside cylinder, and the brush body inner chamber is equipped with major axis motor 11, motor shaft end rolls 12 interference fit with the brush of moulding bristle, and sealing ring 13 is housed between brush body and major axis.

Claims

1, a kind of electrical rotary toothbrush, it is by battery 4, connective spring plate 5, line 6, lug plate 7, three pole changers 8, major axis motor 11 constitutes, it is characterized in that: two ends, cylindric brush holder 1 left and right sides respectively with brush body 2, end cap 3 joins with screw thread, serial connection battery 4 in the brush holder, battery one end contacts with connective spring plate 5, spring leaf is fixed on the end cap, and link to each other with line 6, the battery other end links to each other with three pole changers 8 by lug plate 7, brush body is connected by nail 9 with three pole changers, three pole changer two ends respectively with lug plate 7, line 6 is done and is electrically connected, be with semiclosed protective cover 10 on the brush body left end outside cylinder, the brush body inner chamber is equipped with major axis motor 11, and motor shaft end rolls 12 interference fit with the brush of moulding bristle, and sealing ring 13 is housed between brush body and major axis.