JP3203476U - Toothbrush of front-end replacement brush - Google Patents

Abstract

To provide a brush replaceable toothbrush capable of simultaneously releasing and taking out a brush. A grip handle, a brush handle part front stage 20, a front pushing mechanism 30, and a brush 40 are provided. The brush handle part front stage 20 is connected to the grip 10, and the brush handle part front stage 20 includes a receiving base 22 for the brush 40. The front pushing mechanism is pivotally mounted on the grip 10 and erects the lever 31 to push the toothed hook 341 meshing with the semicircular tooth 311 to the left, and the latching fixing piece arranged in the shaft 20 on the front stage of the brush handle portion. The hook 40 is moved to release the engagement between the hook fixing piece and the brush 40, and at the same time, the brush 40 is pushed out to the left to be separated. [Selection] Figure 2

Description

The present invention relates to a toothbrush, and more particularly to a toothbrush of a front-end replacement brush.

At present, most of the toothbrushes on the market are made of plastic material, and their service life is usually about three months. The toothbrush bristles continue to rub against the teeth, causing a certain amount of wear. However, since the cleaning function is reduced and bacteria are likely to be generated, it must be discarded. However, this is a waste of resources and not good for environmental protection.

The industry has designed toothbrushes that replace brushes to effectively ameliorate the aforementioned problems. It mainly includes a grip and a brush connected to the grip. The brush includes a pedestal connected to the grip and a toothbrush piece in which brush bristles are planted. Among them, the pedestal and the toothbrush pieces are provided with fitting grooves and fitting portions that are fitted and joined to each other, and the toothbrush pieces provided with the brush bristles are fitted and joined on the pedestal to match the toothbrushes of the replacement brush.

Japanese Utility Model Publication No. 2-68724

The problem to be solved is that, in the actual use process, if the fitting groove is used for fixing, the insertion hole is loosened and easily detached after a certain period of use.

  The present invention includes a grip, a front part of a brush handle part, a front pushing mechanism, and a brush. The front stage of the brush handle part is connected to the grip, and the front stage of the brush handle part includes a cradle. The front pushing mechanism includes a lever pivoted on the grip and a pushing piece and a hooking fixing piece that are overlapped with each other and inserted into the front stage of the brush handle portion, and the lever is used to move the pushing piece and the hooking fixing piece in the front-rear direction. The brush is installed on the cradle in a replaceable manner, and one end of the hook fixing piece is hooked to the brush and the front part of the brush handle part. When the lever is raised, the hook fixing piece and the pressing piece move in the brush direction to release the hook fixing piece, the front stage of the brush handle and the brush, and at the same time, the pressing piece receives the brush. The main feature is to push it away from the table.

  The toothbrush of the front-type changeable brush according to the present invention has the advantage that it is possible to simultaneously release and take out the brush and to further improve the convenience of operation.

It is a three-dimensional external view of a toothbrush of a front push type replacement brush of the present invention. It is a toothbrush exploded view of the front-pressing type | formula replacement brush of this invention. It is a brush handle part front stage and front push mechanism exploded view of the present invention. It is an assembly sectional view of the toothbrush of the front push type change brush of the present invention. FIG. 3 is a cross-sectional view of a front push mechanism and a brush assembly station according to the present invention. It is sectional drawing 1 of the toothbrush use state of the front push type | formula replacement brush of this invention. It is sectional drawing 2 according to the use state of the toothbrush of the front push type | formula replacement brush of this invention.

It is an object of the present invention to provide a toothbrush for a push-type replacement brush that achieves release and release of the brush by pulling up the lever and further improves the convenience of operation.

In order to achieve the above-mentioned object, the present invention provides a toothbrush for a front-end type replacement brush. It consists of a grip, a front part of the brush handle part, a front pushing mechanism and a brush. The front stage of the brush handle part is connected to the grip, and the front stage of the brush handle part includes a cradle. The front pressing mechanism includes a lever pivoted on the grip, a pressing piece and a hook fixing piece that are overlapped with each other and inserted into the front stage of the brush handle portion. The lever is used to move the push piece and the hook fixing piece in the front-rear direction. The brush is replaceably installed on the cradle, and one end of the hook fixing piece is engaged with the brush and the front stage of the brush handle part, respectively. Among them, the lever is raised to move the hook fixing piece and the pressing piece in the brush direction, and the hook fixing piece, the brush handle part front stage and the brush are released from being engaged, and at the same time, the pressing piece is the brush. Is pushed away from the cradle.

The present invention further has the following effects. The latching projection of the lever and the concave groove of the passive component are engaged with each other to achieve a locking effect. The semi-circular teeth of the lever rotate in mesh with the toothed teeth of the passive component, increasing the operational stability. Each elastic hook achieves a labor-saving effect by holding down the stop slope.

Detailed description and technical contents of the present invention will be described below together with diagrams, but the diagrams are provided only for reference and do not limit the present invention.

As shown in FIG. 1 to FIG. 5, the present invention provides a toothbrush of a front push type replacement brush, which comprises a grip 10, a brush handle part front stage 20, a front push mechanism 30 and a brush 40.

The grip 10 is an elongated plastic body, and a rectangular housing recess 11 is installed outside the front side of the grip 10, a pivot hole 12 is formed at the lower end of the housing recess 11, and the upper end rule of the housing recess 11 is obeyed. Installs a locking groove 13. In addition, a storage space 14 that communicates with the receiving recess 11 is installed at the front end of the grip 10, and a plurality of lower hooks 15 that are installed at intervals are installed at positions below the inner wall of the storage space 14. A plurality of upper hooks 16 are installed at the upper position of the inner wall.

The brush handle portion front stage 20 is formed on the front side of the grip 10 and is connected to the grip 10. The front stage 20 of the brush handle part is made of a plastic material, and in the length direction thereof, a perforation 21 (see FIG. 3) communicating with the front and rear is installed, and a receiving base 22 is provided on the front side of the front stage 20 of the brush handle part. The cradle 22 includes a lower pedestal 221 and an upper pedestal 222 that covers and fixes the lower pedestal 221 correspondingly. A vertical communication opening 223 and a horizontal communication opening 224 communicating with the vertical communication opening 223 are formed on the upper pedestal 222 in the direction of the end surface of the lower pedestal 221, and a triangular convex portion 225 is formed in the middle of the vertical communication opening 223. Protruding and forming stop slopes 226 at positions up to the lateral communication opening 224 along both sides of the triangular protrusion 225. In addition, a plurality of lower engaging grooves 23 (see FIG. 4) are provided on the lower surface of the rear side of the brush handle front stage 20, and each of the lower engaging grooves 23 engages with each of the lower engaging strips 15 of the grip 10 described above. A plurality of upper hooking grooves 24 are installed on the rear upper surface of the brush handle portion front stage 20, and each upper hooking groove 24 is hooked and fixed to each upper hooking strip 16 of the grip 10.

The front pressing mechanism 30 includes a lever 31, a pressing piece 32, a hooking fixing piece 33, and a passive component 34 (see FIG. 5). The lever 31 is installed corresponding to the housing recess 11, semicircular teeth 311 are installed at the lower end of the lever 31, and pivot shafts 312 are provided on both sides of the semicircular teeth 311, respectively. Are connected in correspondence with the pivot holes 12 in the above-described accommodating recesses 11, respectively. In addition, an engaging protrusion 313 is formed on the upper end of the lever 31, and an engaging protrusion 3 part 14 is formed on both sides of the engaging protrusion 313, respectively. It couple | bonds corresponding to the latching groove | channel 13 in the accommodation recessed part 11. FIG.

Each of the pressing piece 32 and the hook fixing piece 33 is an elongated plate piece made of a metal material, and a pair of elastic hooks 331 are installed at the front end of the hook fixing piece 33, and each elastic hook 331 forms a triangular shape. The hook fixing piece 33 is stacked above the pressing piece 32 and further inserted and installed in the perforation 21 of the brush handle front stage 20 described above. The front stage of the pressing piece 32 and each elastic hook 331 communicate with the upper base 222 in the vertical direction. The elastic hooks 331 are disposed between the opening 223 and the lateral communication opening 224, the elastic hooks 331 are positioned between the triangular protrusions 225 and the stop slopes 226, and the corner ends of the elastic hooks 331 are respectively formed from the lateral communication openings 224. Exposed to the outside.

The passive component 34 sandwiches and fixes one end of the pressing piece 32 and the hooking fixing piece 33 away from the elastic hook 331, and is further placed in the above-described placement space 14. The passive component 34 includes a toothed tooth 341 that meshes with and rotates with the semicircular tooth 311 described above, and a groove 342 into which the engaging protrusion 313 is inserted is provided at one end far from the toothed tooth 341.

The brush 40 includes a brush base 41 and a plurality of brush bristles 42 installed on the brush base 41. The brush base 41 is installed on the receiving base 22 in a replaceable manner, and the lateral communication described above is provided on both sides of the brush base 41. Engagement holes 411 are respectively installed at positions corresponding to the openings 224, and each of the aforementioned elastic hooks 331 is engaged and fixed by the engagement holes 411 from the lateral communication openings 224 (see FIG. 5).

As shown in FIGS. 6 and 7, in use, the lever 31 is rotated upward around the pivot shaft 312 of the lever 31. At that time, the semicircular tooth 311 of the lever 31 is the tooth 341 of the passive component 34. Is moved in the direction of the front 20 of the brush handle portion, and at the same time, the pressing piece 32 and the engaging fixing piece 33 are moved forward. Among them, each elastic hook 331 of the hook fixing piece 33 receives the pressing force from the stop slope 226 of the upper base 222 and contracts inward, and the brush handle front stage 20 and the brush base 41 of the brush 40 are engaged with each elastic hook 331. At the same time, the pressing piece 32 pushes the brush base 41 of the brush 40 outward from the receiving base 22 and separates it.

As described above, the toothbrush of the present invention push-type replacement brush achieves the intended purpose of use and ameliorates known drawbacks. Also, because it is novel and inventive, it perfectly meets the requirements for utility model application.

DESCRIPTION OF SYMBOLS 10 Grip 11 Accommodation recessed part 12 Pivoting hole 13 Locking groove 14 Storage space 15 Upper hooking line 16 Lower hooking line 20 Brush handle part front stage 21 Perforation 22 Receptacle 221 Lower base 222 Upper base 223 Vertical communication opening 224 Horizontal communication opening 225 Triangular convex portion 226 Stop slope 23 Lower engaging groove 24 Upper engaging groove 30 Pre-pressing mechanism 31 Lever 311 Semicircular tooth 312 Pivoting shaft 313 Engaging convex portion 314 Locking convex portion 32 Pushing piece 321 Elastic hook 33 Engaging fixing piece 331 Elasticity Hook 34 Passive part 341 Tooth 342 Groove 40 Brush 41 Brush base 411 Engagement hole 42 Brush hair

Claims (10)

In the toothbrush of the front push type replacement brush,
Grip,
A brush handle part front stage having a brush pedestal and connected to the grip;
A lever that pivots on the grip, and a pressing piece and a hook-fixing piece that are inserted into the brush handle portion in front of each other in an axial direction,
The lever is provided with a front pushing mechanism that moves the pushing piece and the hooking fixing piece in the front-rear direction by the standing operation,
The brush is installed on the cradle, and one end of the hook fixing piece is hooked to the brush and the brush handle part front stage to fix the brush in a replaceable manner.
By raising the lever and moving the hooking fixing piece and the pressing piece in the brush direction,
A toothbrush for a front-end type changeable brush, wherein the hook fixing piece, the front stage of the brush handle part and the brush are released, and at the same time, the pushing piece pushes the brush away from the receiving base.   The grip forms a receiving recess, a pivot hole and a locking groove are formed in the receiving recess, and the lever is installed corresponding to the receiving recess and a pivot shaft and a locking projection are formed. The pivot shaft is pivotally coupled corresponding to the pivot hole so that the lever can be operated upright, and the locking projection is engaged and coupled corresponding to the locking groove. The toothbrush of the front-loading type replacement brush according to claim 1.   The grip forms a storage space that communicates with the housing recess, and a plurality of underhanging strips that are installed at intervals are formed on the inner wall of the storage space, and a plurality of hooks are formed at the front stage of the brush handle portion. 3. A toothbrush for a front-end type changeable brush according to claim 2, wherein a lower hooking groove is provided, and each of the lower hooking strips is hooked into each of the lower hooking grooves, and both are fixed.   The front stage of the brush handle part is provided with a plurality of upper hooking grooves, and a plurality of upper hooking stripes are formed on the inner wall of the grip storage space at intervals, and each upper hooking stripe is formed with each upper hooking groove. 4. The toothbrush of a front-end type replacement brush according to claim 3, wherein the toothbrushes are engaged with each other and fixed to each other.   The front pressing mechanism further includes a passive component, the passive component sandwiches one end of the pressing piece and the engaging fixed piece, the lever includes a semicircular tooth, and the passive component meshes with the semicircular tooth and rotates. The toothbrush of the front-pressing type changeable brush according to claim 1, further comprising a collar, wherein the pressing piece and the hooking fixing piece are moved in the front-rear direction via the passive component by the standing operation of the lever.   6. The toothbrush of a front-end type changeable brush according to claim 5, wherein the lever forms a hooking convex part, and the passive component is provided with a concave groove for hooking and fixing the hooking convex part.   2. The toothbrush of a front push type changeable brush according to claim 1, wherein a perforation is formed in a front stage of the brush handle portion, and the hook fixing piece and the pressing piece are inserted from the perforation to the receiving base.   The pedestal includes a lower pedestal and an upper pedestal that covers the lower pedestal, and the upper pedestal includes a vertical communication opening and a horizontal communication opening that communicates with the vertical communication opening. 8. The front portion according to claim 7, wherein a pair of elastic hooks are formed at the ends, and the front stage of the pressing piece and each of the elastic hooks are fitted into the vertical communication opening and the horizontal communication opening. Toothbrush of push-type replacement brush.   In the longitudinal communication opening, a triangular convex portion is formed to extend, and a stop slope is formed along the both sides of the triangular convex portion to between the lateral communication openings, and the elastic hooks are respectively connected to the triangular convex portion. The toothbrush of the front-end type changeable brush according to claim 8, wherein the toothbrush is set between each of the stop slopes.   The brush includes a brush base, the brush base is provided with a pair of engagement holes, the corner ends of the elastic hooks are exposed from the lateral communication openings, and are engaged and fixed to the engagement holes. The toothbrush of the front-end type | formula replacement brush of Claim 9 characterized by these.

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