CN210203794U - Toothbrush with changeable bristle softness - Google Patents

Abstract

The utility model discloses a changeable toothbrush of bristle softness belongs to oral cavity cleaning appliances technical field. The upper toothbrush rod is fixed above the lower toothbrush rod, the first half of the upper toothbrush rod is suspended, the front ends of the upper and lower toothbrush rods are fixedly connected with the upper and lower toothbrush head plates respectively, the upper toothbrush head plate is provided with a plurality of long rod soft bristles, the upper toothbrush head plate is provided with via holes through which the soft bristles pass, the upper toothbrush head plate is provided with a plurality of short rod hard bristles located beside the via holes, the first half of the upper toothbrush rod is provided with an inclined block located on the lower toothbrush rod, the inclined block is connected with a push shaft through a push plate and located in a limiting sliding groove formed in the lower toothbrush rod, the push shaft is controlled to move backwards in the limiting sliding groove, the inclined block moves backwards along with the inclined block, the inclined block supports the first half of the upper toothbrush rod, the short rod hard bristles of the upper toothbrush head plate fixed to the front end of the upper toothbrush rod ascend, the hard bristle end and the soft bristle end are in the same plane, and accordingly, and the soft bristle toothbrush is.

Description

Toothbrush with changeable bristle softness

Technical Field

The utility model relates to a changeable toothbrush of bristle softness belongs to oral cavity cleaning appliances technical field.

Background

The toothbrushes on the market are mainly divided into a medium-bristle toothbrush and a soft-bristle toothbrush, and the difference of the two brushes is that the hardness of the brush part is different; the brush of the medium-bristle toothbrush is hard and has the strongest cleaning capability, and the medium-bristle toothbrush can effectively remove exogenous color spots, food residues and the like by matching with toothpaste, has the best effect on the surface of teeth, but is easy to damage the gum. The soft-bristle toothbrush can effectively go deep into the gaps between teeth for cleaning because the hairbrush is softer and thinner, can better protect the gum, but has poor cleaning effect on the surfaces of the teeth.

However, people generally use only one toothbrush during brushing teeth, so if a bristle toothbrush is selected, the gum is easily damaged at the position of cleaning the gum, and if a soft brush is selected, the cleaning effect of the tooth surface is not good, so that a novel toothbrush is very needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a changeable toothbrush of bristle softness and hardness can carry out the switching of soft or hard brush according to the user demand in the process of brushing teeth, when protecting the gum, improves the cleaning effect on tooth surface, improves comfort level and convenience, satisfies people's user demand.

The utility model provides a technical scheme that its technical problem adopted is: a toothbrush with changeable brush bristle softness comprises a lower layer toothbrush rod, a lower layer toothbrush head plate and long rod soft brush bristles, wherein the front end of the lower layer toothbrush rod is fixedly connected with the lower layer toothbrush head plate, a plurality of soft brush bristle counter bores are formed in the lower layer toothbrush head plate at equal intervals, the long rod soft brush bristles are arranged in the soft brush bristle counter bores, the toothbrush further comprises an upper layer toothbrush rod, an upper layer toothbrush head plate, short rod hard brush bristles, a push button, a push shaft, a push plate, an inclined block and an annular convex edge, an upper layer toothbrush rod is fixed above the lower layer toothbrush rod, the rear half part of the upper layer toothbrush rod is fixedly connected with the lower layer toothbrush rod, the front half part of the upper layer toothbrush rod is not connected with the lower layer toothbrush rod, the front end of the upper layer toothbrush rod is fixedly connected with the upper layer toothbrush head plate which is positioned above the lower layer toothbrush head plate, a plurality of soft brush bristle through holes which can penetrate through the long rod soft brush bristles below the upper layer toothbrush head plate are formed in, short-rod hard bristles are arranged in the hard bristle counter bores, and the top ends of the short-rod hard bristles are positioned below the top ends of the long-rod soft bristles; the middle part of a lower layer toothbrush rod is provided with a long limiting sliding groove, the inside of the limiting sliding groove is provided with an annular clamping groove, a push shaft capable of sliding back and forth is arranged in the limiting sliding groove, the middle part of the push shaft is provided with an annular convex edge capable of being clamped in the annular clamping groove, the bottom surface of the lower layer toothbrush rod is provided with a push button fixedly connected with the bottom end of the push shaft, the top surface of the lower layer toothbrush rod is provided with a push plate the tail end of which is sleeved on the push shaft, the top part of the front end of the push plate is fixedly connected with an inclined block with a high front part and a low back part, the bottom surface of an upper layer toothbrush rod above the inclined block is provided with an inclined groove with a deep front part and a shallow back part, the inclined block is positioned at the front end in the inclined groove, the top surface of the inclined block is contacted with the inclined groove, the bottom surface of the upper layer toothbrush rod is provided with a push plate sliding, the push shaft sliding groove covers the push shaft extending out of the top end of the push plate inside, and the push shaft can slide back and forth in the push shaft sliding groove.

The utility model has the advantages that: the problem of the brush of having solved current toothbrush can't carry out soft or hard hair when brushing teeth and switch is provided, a changeable toothbrush of brush hair softness is provided, use this toothbrush can carry out the switching of soft or hard brush at the in-process of brushing teeth, realize soft brush hair clean gum, hard brush hair clean tooth surface, when protecting the gum, improve the cleaning performance on tooth surface, improve comfort level and convenience, the switching mode is simple, the operation of being convenient for satisfies people's user demand.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic view of a part of the structure of the present invention.

Fig. 4 is a schematic view of a part of the structure of the present invention.

Fig. 5 is a partial structural sectional view of the present invention.

Fig. 6 is a side sectional view of the present invention.

Fig. 7 is a partial structural sectional view of the present invention.

Reference numbers in the figures:

1. upper toothbrush pole, 2, lower floor toothbrush pole, 3, upper brush head board, 4, lower floor brush head board, 5, the soft brush hair of stock, 6, the stiff bristle of quarter butt, 7, push button, 8, spacing spout, 9, push away the axle, 10, the push pedal, 11, sloping block, 12, inclined plane groove, 13, soft brush hair via hole, 14, push pedal spout, 15, push away the axle spout, 16, the stiff bristle counter bore, 17, the soft brush hair counter bore, 18, ring groove, 19, the annular is protruding stupefied.

Detailed Description

As shown in figures 1-7, a toothbrush with changeable brush bristle softness comprises a lower layer toothbrush rod 2, a lower layer brush head plate 4 and long rod soft brush bristles 5, wherein the front end of the lower layer toothbrush rod 2 is fixedly connected with the lower layer brush head plate 4, a plurality of soft brush bristle counter bores 17 are arranged on the lower layer brush head plate 4 at equal intervals, the long rod soft brush bristles 5 are arranged in the soft brush bristle counter bores 17, the toothbrush further comprises an upper layer toothbrush rod 1, an upper layer brush head plate 3, short rod hard brush bristles 6, a push button 7, a push shaft 9, a push plate 10, an inclined block 11 and an annular convex edge 19, an upper layer toothbrush rod 1 is fixed above the lower layer toothbrush rod 2, the rear half part of the upper layer toothbrush rod 1 is fixedly connected with the lower layer toothbrush rod 2, the front half part of the upper layer toothbrush rod 1 is not connected with the lower layer toothbrush rod 2, the front end of the upper layer toothbrush rod 1 is fixedly connected with the upper layer brush head plate 3 which is positioned right above the lower layer brush head plate 4, a plurality of soft brush bristle through holes 13 corresponding to the, a plurality of hard bristle counter bores 16 which are arranged in an interval array with the soft bristle through holes 13 are arranged on the upper layer brush head plate 3, short-rod hard bristles 6 are arranged in the hard bristle counter bores 16, and the top ends of the short-rod hard bristles 6 are positioned below the top ends of the long-rod soft bristles 5; a long limiting sliding groove 8 is arranged in the middle of the lower layer toothbrush rod 2, an annular clamping groove 18 is arranged in the limiting sliding groove 8, a push shaft 9 capable of sliding back and forth is arranged in the limiting sliding groove 8, an annular convex ridge 19 capable of being clamped in the annular clamping groove 18 is arranged in the middle of the push shaft 9, a push button 7 fixedly connected with the bottom end of the push shaft 9 is arranged on the bottom surface of the lower layer toothbrush rod 2, a push plate 10 with the tail end sleeved on the push shaft 9 is arranged on the top surface of the lower layer toothbrush rod 2, an inclined block 11 with a high front part and a low rear part is fixedly connected with the top part of the front end of the push plate 10, an inclined groove 12 is arranged on the bottom surface of the upper layer toothbrush rod 1 above the inclined block 11, the inclined groove 12 is a deep front inclined groove body and a shallow rear inclined groove body, the inclined block 11 is arranged at the front end in the inclined groove 12, the top surface of the toothbrush rod 11 is in contact with the inclined groove 12, a push, a push shaft sliding groove 15 which is positioned right above the limiting sliding groove 8 is arranged on the bottom surface of the upper layer toothbrush rod 1, the push shaft sliding groove 15 covers the push shaft 9 extending out of the top end of the push plate 10 in the push shaft sliding groove 15, and the push shaft 9 can slide back and forth in the push shaft sliding groove 15.

Because the top end of the long-rod soft brush hair 5 is positioned above the short-rod hard brush hair 6, when the toothbrush is normally used, the toothbrush is a soft-bristle toothbrush, a user can clean tartar in gaps between gums and teeth through the long-rod soft brush hair 5, when the user wants to clean the tooth surface, the user only needs to push the push button 7 backwards, the push button 7 drives the push shaft 9 to move backwards in the limit sliding chute 8 and the push shaft sliding chute 15, the push plate 10 sleeved on the push shaft 9 moves backwards along with the push plate sliding chute 14, the inclined block 11 fixedly connected with the push plate 10 in the inclined groove 12 moves backwards along with the push plate 10, the top surface of the inclined block 11 is always attached to the inner wall of the inclined groove 12 in the displacement process, because the inclined groove 12 is deep in front and shallow in back, the inclined block 11 moving backwards can prop up the front half part of the upper-layer toothbrush rod 1 connected with the lower-layer toothbrush rod 2, and the upper-layer toothbrush plate 3 fixedly connected with the propped upper-layer toothbrush rod 1 can rise along with the, after the upper layer brush head plate 3 rises, the end rod hard bristles 6 above the upper layer brush head plate can contact with the surfaces of teeth, and then the upper layer brush head plate can be used as a bristle toothbrush to remove exogenous stains or food residues on the surfaces of the teeth. The soft and hard switching of the brush hair of the toothbrush can be switched by controlling the position of the push button 7.

Claims (1)

1. The utility model provides a changeable toothbrush of brush hair softness, includes lower floor toothbrush pole (2), lower floor brush head board (4) and the soft brush hair of stock (5), lower floor toothbrush pole (2) front end fixedly connected with lower floor brush head board (4), equidistant several soft brush hair counter bore (17) of having seted up on lower floor brush head board (4), all be equipped with the soft brush hair of stock (5), its characterized in that in soft brush hair counter bore (17): the toothbrush also comprises an upper layer toothbrush rod (1), an upper layer toothbrush head plate (3), short-rod hard bristles (6), a push button (7), a push shaft (9), a push plate (10), an inclined block (11) and annular convex ridges (19), wherein the upper layer toothbrush rod (1) is fixed above the lower layer toothbrush rod (2), the rear half part of the upper layer toothbrush rod (1) is fixedly connected with the lower layer toothbrush rod (2), the front half part of the upper layer toothbrush rod (1) is not connected with the lower layer toothbrush rod (2), the front end of the upper layer toothbrush rod (1) is fixedly connected with the upper layer toothbrush head plate (3) which is positioned right above the lower layer toothbrush head plate (4), the upper layer toothbrush head plate (3) is provided with a plurality of soft bristle through holes (13) which can penetrate through corresponding to long-rod soft bristles (5) below the upper layer toothbrush rod, a plurality of hard bristles (16) which are arranged in an array at intervals with the soft bristle through holes (13) are arranged on the upper layer toothbrush head plate (1), and the short-rod, the top ends of the short-rod hard bristles (6) are positioned below the top ends of the long-rod soft bristles (5); a long limiting sliding groove (8) is arranged in the middle of a lower layer toothbrush rod (2), an annular clamping groove (18) is arranged inside the limiting sliding groove (8), a push shaft (9) capable of sliding back and forth is arranged in the limiting sliding groove (8), an annular convex edge (19) capable of being clamped in the annular clamping groove (18) is arranged in the middle of the push shaft (9), a push button (7) fixedly connected with the bottom end of the push shaft (9) is arranged on the bottom surface of the lower layer toothbrush rod (2), a push plate (10) with the tail end sleeved on the push shaft (9) is arranged on the top surface of the lower layer toothbrush rod (2), an inclined block (11) with a higher front end and a lower rear end is fixedly connected to the top of the front end of the push plate (10), an inclined groove (12) is arranged on the bottom surface of an upper layer toothbrush rod (1) above the inclined block (11), the inclined groove (12) is a shallow inclined groove body with a deep front end and a rear end, the inclined block (11) is positioned in the, the upper-layer toothbrush rod (1) is provided with a push plate sliding groove (14) on the bottom surface, the push plate sliding groove (14) is buckled on the push plate (10), the push plate (10) can slide back and forth in the push plate sliding groove (14), a push shaft sliding groove (15) which is positioned right above the limiting sliding groove (8) is arranged on the bottom surface of the upper-layer toothbrush rod (1), a push shaft (9) extending out of the top end of the push plate (10) is covered in the push shaft sliding groove (15), and the push shaft (9) can slide back and forth in the push shaft sliding groove (15).

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