CN210124417U - Toothbrush head and toothbrush - Google Patents

Abstract

The utility model provides a toothbrush head, which comprises bristles and a bristle connecting piece connected with the bristles, wherein the bristle connecting piece comprises an upper end face, a lower end face connected with the upper end face and an annular clamping bulge formed between the upper end face and the lower end face, and the bristles are connected with the upper end face in a welded way; the utility model also provides a toothbrush, which comprises a brush handle, wherein the brush handle and the toothbrush head are connected through injection molding and integral molding or are movably connected; the utility model discloses an injection moulding toothbrush does not have the sheetmetal corrosion, can reduce the harm of metal corrosion to the human body, and brush hair connection piece and brush hair butt fusion are as an organic whole, connect stably, are difficult for droing, and the toothbrush head fuses through the mode of moulding plastics with the brush holder in addition, can reach seamless fusing, makes liquid can't remain in the cavity, reduces the risk that liquid mildenes and rot.

Description

Toothbrush head and toothbrush

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to a toothbrush head and a toothbrush.

Background

The traditional toothbrush bristle planting equipment needs to use a metal sheet to fix bristles in a toothbrush, but the bristle planting stability cannot be guaranteed in the mode, and sometimes the metal sheet and the bristles fall off to the oral cavity and even enter the esophagus; meanwhile, the metal sheet is easy to oxidize under the condition that water and toothpaste are rusted together, and the oxidized rusty stains are easy to enter a human body during tooth brushing and are not beneficial to health.

The novel toothbrush bristle planting equipment avoids the defects by using processes such as bristle fusion, ultrasonic bonding and the like, but the novel toothbrush bristle planting equipment is manufactured by foreign manufacturers, so that the price is high, and the popularization of the process is not facilitated; meanwhile, the novel toothbrush bristle planting equipment cannot realize seamless fusion in the connection of the bristle connecting piece and the toothbrush handle, so that liquid residues during tooth brushing are easy to mildew in a cavity inside the toothbrush; and the bristle connecting sheet is fixed with the toothbrush by using ultrasonic waves, so that the stability is poor and the falling risk is caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model aims to provide a toothbrush head and a toothbrush, and the toothbrush head without metal sheets is produced by utilizing the injection molding principle, and the toothbrush head and the toothbrush handle are seamlessly fused without falling off, thereby improving the safety of the toothbrush.

The utility model adopts the following technical scheme: the utility model provides a toothbrush head, includes the brush hair and the brush hair connection piece of being connected with the brush hair, the brush hair connection piece includes the up end, the lower terminal surface of being connected with the up end to and form the annular screens arch between up end and the lower terminal surface, be equipped with the brush hole on the brush hair connection piece, the brush hair passes the brush hole and is connected with the up end butt fusion from the lower terminal surface, is equipped with the support arch on the up end.

Furthermore, the bristles and the upper end face are welded to form a fusion surface, and the height of the fusion surface is lower than that of the supporting protrusions.

Further, the bristles are sharpening brush filaments or nylon brush filaments.

Preferably, the brush holes are at least two, and the interval between two adjacent brush holes is 0.1mm-0.5 mm.

The utility model also provides a toothbrush, which comprises any one of the toothbrush heads and a toothbrush handle, wherein the toothbrush head is connected with the toothbrush handle.

In a preferred scheme of the utility model, the brush handle is connected with the toothbrush head in an injection molding way.

The utility model discloses a another preferred scheme, annular screens arch is the elastomer, is equipped with the annular groove who matches with annular screens arch on the brush holder, and the toothbrush head passes through annular screens arch and brush holder swing joint.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a brush hair passes brush hole back from the lower terminal surface of brush hair connection piece and the up end butt fusion of brush hair connection piece is as an organic whole, realizes that brush hair connection piece and brush hair combine, and this process is planted the hair equipment through traditional toothbrush and is planted the completion with the brush hair from the lower terminal surface of toothbrush, just the utility model discloses a brush hair connection piece is as an organic whole with the brush hair butt fusion, connects stably, is difficult for droing, has further improved the security of toothbrush.

2. The toothbrush head of the utility model has no sheet metal corrosion, and can reduce the harm of the metal corrosion to the human body.

3. Toothbrush head fuses through the mode of moulding plastics with the brush holder, and the brush holder is liquid and fills in the space of brush hair connection piece, reaches seamless fusing, makes liquid can't remain in the cavity, reduces the risk that liquid mildenes and rot.

4. The annular clamping bulges are arranged on the bristle connecting pieces, so that the connection degree of the bristle connecting pieces and the brush handle can be enhanced, and the bristle connecting pieces are not easy to pull out.

Drawings

For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a brush hole structure of a brush hair connection plate of the present invention;

FIG. 2 is another schematic view of the brush holes on the brush hair connection piece of the present invention;

FIG. 3 is a schematic view of another structure of the brush hole of the brush hair connection piece of the present invention;

FIG. 4 is a schematic view of a toothbrush head according to the present invention;

FIG. 5 is a schematic view of the structure of the brush handle of the present invention;

FIG. 6 is a sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view of the fixing structure of the toothbrush head of the present invention in the mold;

figure 8 is an enlarged cross-sectional view of the toothbrush head of the present invention in a mold;

the brush comprises 1-brush hair connecting piece, 11-lower end face, 12-upper end face, 13-annular clamping bulge, 14-supporting bulge, 15-brush hole, 2-brush hair, 21-fusion face, 3-brush handle, 31-annular groove, 4-annular through hole, 5-upper mold, 51-injection runner, 6-lower mold, 61-containing cavity, 62-first annular step and 63-second annular step.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 6, a first embodiment of the present invention provides a toothbrush head, which comprises bristles 2 and a bristle connecting plate 1 connected with the bristles 2, wherein a brush hole 15 is formed on the bristle connecting plate 1, the bristle connecting plate 1 has an upper end surface 12 and a lower end surface 11, the bristles 2 penetrate through the brush hole 15 from the lower end surface 11 and are then welded to the upper end surface 12 of the bristle connecting plate 1, and a supporting protrusion 14 is formed on the upper end surface 12; as shown in fig. 4, the upper end face 12 and the bristles 2 are welded to form a fusion face 21, the height of the fusion face 21 is lower than that of the support protrusions 14, and the support protrusions 14 are used for fixing the bristle connecting piece 1 in a mold.

Specifically, the brush hair 2 of this embodiment is from the lower terminal surface 11 and is suddenly protruded in up end 12 after passing brush hole 15, uses the welded mode to melt the brush hair of reserving on with up end 12 and glues and link with the up end 12 of brush hair connection piece 1, forms the utility model discloses a toothbrush head to realize brush hair connection piece 1 and brush hair 2's combination, this combination process is planted the hair equipment through traditional toothbrush and is implanted the completion with brush hair 2 from the lower terminal surface of toothbrush, and brush hair connection piece 1 and brush hair 2 butt fusion are as an organic whole, connect stably, are difficult for droing, have further improved the security of toothbrush.

Specifically, be equipped with annular screens arch 13 between the up end 12 of this embodiment and the lower terminal surface 11, annular screens arch 13 is located the lateral surface of brush hair connection piece 1, and annular screens arch 13 is used for strengthening the intensity of toothbrush head on the one hand, and on the other hand is used for providing the degree of connection of toothbrush head and brush holder.

Specifically, as shown in fig. 1 to 3, the cross section of the brush hair connection piece 1 of this embodiment is oval, and is equipped with at least one brush hole 15 on the brush hair connection piece 1, and the shape of brush hole 15 can be at least one of circular, triangle-shaped, quadrangle, oval and other irregular shapes, the utility model discloses do not restrict the concrete shape in brush hole 15, for poroid can, of course, the utility model discloses do not restrict the protruding 13 shape of brush hair connection piece 1 and annular screens yet, relevant technical staff can select different shapes to produce according to particular case.

Preferably, brush hole 15 has two at least, and the interval between two adjacent brush holes 15 is between 0.1mm-0.5mm, the utility model discloses clearance between the brush hole is less for the clearance between the brush hole among the prior art, after the brush hair was implanted in the brush hole, shows the zero clearance in the vision, has further improved the performance of toothbrush head.

Specifically, the brush bristles 2 of the utility model are sharpening brush filaments or nylon brush filaments.

The toothbrush head of the utility model does not need metal sheets to fix brush hair, and avoids the harm of metal corrosion to human body.

The second embodiment of the utility model provides a toothbrush, which comprises a toothbrush head and a toothbrush handle 3, preferably, the toothbrush head and the toothbrush handle 3 are integrally formed in an injection molding way; specifically, the bristle connecting piece 1 is made of injection-molded solid plastic, the upper end face 12 of the bristle connecting piece 1 is provided with a supporting protrusion 14, the bristles 2 penetrate through a brush hole 15 and are fused with the upper end face 12 of the bristle connecting piece 1 to form a fusion face 21, the height of the fusion face 21 is lower than that of the supporting protrusion 14, a closed accommodating space is formed between the lower end face 11 of the bristle connecting piece 1 and the upper end face of the supporting protrusion 14 and a mold, and the brush handle 3 is filled in the accommodating space in a liquid plastic shape and is cooled to form a solid toothbrush; it should be noted that the utility model does not limit the shape of the supporting protrusion 14, and the toothbrush head can be fixed in the cavity of the mold without moving.

Specifically, the annular retaining protrusion 13 of the present embodiment is used to enhance the connection between the bristle connecting plate 1 and the brush holder 3, so that the bristle connecting plate 1 is not easy to fall off from the brush holder 3.

It should be noted that, the mode zonulae occludens of the outer surface of brush holder 3 and the toothbrush head of this embodiment through moulding plastics, and the brush holder is liquid and fills in the space of toothbrush head, reaches seamless fusion, makes liquid can't remain in the cavity, reduces the risk that liquid mildenes and rot.

In another preferred embodiment of the toothbrush of the present invention, as shown in fig. 5-6, the bristle connecting piece 1 and the brush handle 3 are both made of injection-molded solid plastic, the bristles and the bristle connecting piece are fused to form a toothbrush head, the bristle connecting piece 1 is provided with an annular clamping protrusion 13, the annular clamping protrusion 13 is an elastic body, the brush handle 3 is provided with an annular groove 31 matching with the annular clamping protrusion 13, the brush handle 3 is provided with an annular through hole 32 matching with the supporting protrusion 14, and the toothbrush head is detachably clamped and fixed with the annular groove 31 through the annular clamping protrusion 13; this embodiment passes through the mode equipment toothbrush of joint, and convenient and fast can regularly change the toothbrush head moreover, saves user's cost.

As shown in fig. 7 to 8, the mold for manufacturing the toothbrush comprises an upper mold 5 and a lower mold 6, wherein an injection runner 51 is provided on the upper mold 5 above the bristle connecting piece 1, of course, the utility model discloses a runner 51 of moulding plastics can set up anywhere on the mould, can mould plastics to form in the mould brush holder 3 can, 6 are equipped with the holding chamber 61 that holds brush hair 2 in the lower mould, be equipped with first annular step 62 and second annular step 63 in the holding chamber 61, brush hair connection piece 1 is fixed in the cavity between first annular step 62 and the last mould 5, it is concrete, terminal surface 11 ends with first annular step 62 and supports down, the external diameter of second annular step 63 is greater than the external diameter of first annular step 62, the protruding 13 of annular screens is located the space that second annular step 63 and last mould 5 constitute, the protruding 13 external diameter of annular screens is less than the external diameter of second annular step 63.

Specifically, the toothbrush production process of the utility model is as follows:

(1) firstly, producing a bristle connecting sheet by injection molding;

(2) implanting bristles into brush holes of the bristle connecting sheet by using a conventional bristle implanting machine; specifically, the bristles of the toothbrush are implanted into brush holes in the bristle connecting sheet from the lower end surface and are higher than the upper end surface by a bristle needle of a bristle planting machine, so that the bristles are fixed and withdrawn, and then implanted into second holes, so that the bristles are repeatedly implanted into the brush holes in the connecting sheet, and then the bristles and the upper end surface are welded into a whole to form the toothbrush head;

(3) putting the toothbrush head into a toothbrush manufacturing mold;

(4) and injecting liquid plastic into the toothbrush manufacturing mold from an injection molding flow channel of the upper mold, and fusing and cooling the liquid plastic and the toothbrush head to form the toothbrush shape.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims (7)

1. A toothbrush head, characterized in that: including the brush hair and with the brush hair connection piece of being connected, the brush hair connection piece include the up end, with the lower terminal surface that the up end is connected, and form the up end with annular screens arch between the terminal surface down, be equipped with the brush hole on the brush hair connection piece, the brush hair is followed the lower terminal surface passes brush hole and with the up end welded connection, it is protruding to be equipped with the support on the up end.

2. A toothbrush head according to claim 1 wherein: the bristles and the upper end face are welded to form a fusion surface, and the height of the fusion surface is lower than that of the supporting protrusions.

3. A toothbrush head according to claim 1 wherein: the bristles are tip-grinding brush filaments or nylon brush filaments.

4. A toothbrush head according to claim 1 wherein: the brush holes are at least two, and the interval between every two adjacent brush holes is 0.1mm-0.5 mm.

5. A toothbrush comprising a toothbrush head according to any one of claims 1 to 4 characterised in that: the toothbrush head is connected with the brush handle.

6. The toothbrush of claim 5, wherein: the brush handle is connected with the toothbrush head in an injection molding way.

7. The toothbrush of claim 5, wherein: the protruding elastomer that is of annular screens, be equipped with on the brush holder with the protruding annular groove that matches of annular screens, the toothbrush head passes through the protruding with brush holder swing joint of annular screens.

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