CN2901994Y - Tooth-brush able to exchange its brush-head - Google Patents

Abstract

The utility model relates to a tooth brush with a changeable brush head, comprising a brush head and a brush handler which are independent on each other and embedded and locked to each other, wherein the brush head is provided with a concave installing area, the end of the brush handler is provided with a formed projected portion which is engaged with the concave installing area, a first projection is formed on top of the projected area, engaged with a first embedding groove arranged in the installing area, a second projection is formed on the end of brush head near to the brush handler, which is engaged with a second embedding groove arranged on the brush handler, buttons are formed and stretches upward from the installing area, and through holes engaged with the buttons are formed on the projected portion in corresponding positions to the buttons. The structure features a double securing between the brush head and the brush handler, thereby preventing the brush head from falling off and easing the usage. The brush head is made from plastic material. To disassemble the tooth brush, push the buttons to make an elastic deformation of the second projection and further a departure from the second embedding groove, so that the first projection is conveniently released from the first embedding groove. The whole process of disassembling is convenient.

Description

A kind of toothbrush of replaceable brush head

Technical field

The utility model relates to a kind of toothbrush of replaceable brush head.

Background technology

Toothbrush has become requisite commodity in people's life, uses but toothbrush is in a single day long-term, and easy residual bacterium in the bristle, or bristle distortion all produce harm to oral cavity, tooth.Therefore, dentist's every three months is changed a toothbrush, and purpose is in time to remove bacterial plaque by new bristle, protects the health of one's teeth.In order to economize on resources, reduce and pollute, now designed and changed a toothbrush, generally be that brush holder is divided into two sections of front and back, leading portion is provided with brush, by changing leading portion, to save cost, satisfies market.Plugged together in the groove in being formed in brush holder by a rod member but be brush in the past, because the cross-sectional sizes of brush holder limits, this structural instability, and manufacturing technique requirent is higher, and production cost is higher, and simultaneously, the phenomenon that comes off, fractures also often appears in use.Chinese patent CN02258506.0 discloses a kind of toothbrush that changes; comprise brush holder, brush; the base plate that brush comprises bristle and is implanted with bristle; this base plate is engaged in the groove of brush holder front end; the bottom surface of groove is provided with through hole; this through hole is communicated with groove; fill in through hole that elastomeric material makes with the corresponding push button of shape of through holes; this structure has solved the existing toothbrush phenomenon that fractures of brush holder in use to a certain extent; but its in use still regular meeting the phenomenon that brush comes off appears, make troubles to use.

The utility model content

The utility model is intended to overcome above-mentioned the deficiencies in the prior art, provides between a kind of brush and the brush holder to have double insurance the toothbrush of brush difficult drop-off, replaceable brush head easy to use.

The toothbrush of the replaceable brush head that provides according to the utility model, comprise separately independently brush and brush holder, described brush and described brush holder be embedded snapping together mutually, described brush is concaved with to hold establishes the zone, described brush holder end formed one is established the extension that the zone cooperates do bearing with described holding, the top of this extension is formed with first protuberance, with be formed in described hold establish the zone in first caulking groove match, the end that described brush closes on described brush holder is formed with second protuberance, correspondingly configured on the described brush holder have second caulking groove that is mated, described holding established the zone and extended upward to be shaped button is arranged, described extension is correspondingly configured the through hole that cooperates with described button, and described brush is made by elastomeric material

The utility model compared with prior art, have following advantage: described brush is concaved with to hold establishes the zone, described brush holder end formed one is established the extension that the zone cooperates do bearing with described holding, the top of this extension is formed with first protuberance, match with being formed in described first caulking groove of establishing in the zone that holds, this structure has formed the first heavily insurance that cooperates between brush and the brush holder; The end that described brush closes on described brush holder is formed with second protuberance, correspondingly configured on the described brush holder have second caulking groove that is mated, described holding established the zone and extended upward to be shaped button is arranged, described extension is correspondingly configured the through hole that cooperates with described button, this structure has formed the second heavily insurance that cooperates between brush and the brush holder, make at use brush difficult drop-off, very easy to use.Described brush is made by elastomeric material, during dismounting, presses described button, drives described second protuberance and produces strain, and then deviate from from described second caulking groove, and described then first protuberance just can be deviate from from described first caulking groove easily, and its dismounting is very convenient.

Description of drawings

Embodiment below in conjunction with accompanying drawing provides describes the utility model in detail, wherein:

Fig. 1 is a kind of schematic top plan view of preferred embodiment of the toothbrush of a kind of replaceable brush head of the utility model;

Fig. 2 be among Fig. 1 A-A to cross-sectional schematic.

The specific embodiment

Referring to Fig. 1, Fig. 2, a kind of preferred embodiment of the toothbrush of a kind of replaceable brush head of the utility model is shown, comprise separately independently brush 1 and brush holder 2, described brush 1 and described brush holder 2 mutual embedded snapping together, described brush 1 is concaved with to hold establishes zone 10, described brush holder 2 end formed is established the extension 20 that zone 10 cooperates do bearing with described holding, the top of this extension 20 is formed with first protuberance 200, establish first caulking groove 100 of zone in 10 and match with being formed in described holding, this structure has formed first heavily insuring of cooperating between brush 1 and the brush holder 2; The end that described brush 1 closes on described brush holder 2 is formed with second protuberance 101, correspondingly configured on the described brush holder 2 have second caulking groove 201 that is mated, this holds institute and establishes zone 10 and extend upward to be shaped button 102 is arranged, described extension 20 is correspondingly configured the through hole 202 that cooperates with described button 102, this structure has formed the second heavily insurance that cooperates between brush and the brush holder, make at use brush difficult drop-off, very easy to use.Described brush 1 is made by elastomeric material, during dismounting, presses described button 102, drive described second protuberance 101 and produce strain, and then deviate from from described second caulking groove 201, described then first protuberance 200 just can be deviate from from described first caulking groove 100 easily, and its dismounting is very convenient.

The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation of little disengaging spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims (1)

1, a kind of toothbrush of replaceable brush head, comprise separately independently brush (1) and brush holder (2), described brush (1) and mutual embedded the snapping together of described brush holder (2), it is characterized in that described brush (1) is concaved with to hold establishes zone (10), described brush holder (2) end formed one is established the extension (20) that zone (10) cooperates do bearing with described holding, the top of this extension (20) is formed with first protuberance (200), with be formed in described first caulking groove of establishing in the zone (10) (100) that holds and match, the end that described brush (1) closes on described brush holder (2) is formed with second protuberance (101), described brush holder (2) is gone up correspondingly configured second caulking groove (201) that is mated that has, this holds institute and establishes zone (10) and extend upward to be shaped button (102) is arranged, described extension (20) is correspondingly configured the through hole (202) that cooperates with described button (102), and described brush (1) is made by elastomeric material.

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