CN104284612B

CN104284612B - Toothbrush

Info

Publication number: CN104284612B
Application number: CN201380015424.9A
Authority: CN
Inventors: 小林海之
Original assignee: Lion Corp
Current assignee: Lion Corp
Priority date: 2012-05-23
Filing date: 2013-05-10
Publication date: 2017-08-01
Anticipated expiration: 2033-05-10
Also published as: KR20150014912A; JP6141835B2; CN104284612A; JPWO2013175975A1; WO2013175975A1

Abstract

A kind of toothbrush, being planted on the plant hair side on head has the pieces of multiple bristle bandings, and the flexible part in the head, the elastomeric element has：Multiple juts of the base portion and formation being provided projectingly on the plant hair side on the protrusion end face of the base portion, the jag surface side branch of the base portion.

Description

Toothbrush

Technical field

The present invention relates to a kind of toothbrush.

The application based on May 23rd, 2012 Japanese publication patent Patent 2012-117748 and CLAIM OF PRIORITY, And it is hereby incorporated its content.

Background technology

It is used as basic function, it is desirable to the intraoral cleaning effect and massage effect of toothbrush, by improving the basic function, So as to realize the high added value of toothbrush.In order to improve the basic function of toothbrush, typically to the configuration for planting pore and shape, bristle Species and shape, the cut pile shape of pieces etc. be combined.

For example, it is proposed that such a toothbrush, it has the burris pressure pin (day formed by the material for implementing gluing Text：Block リストルバー) (for example, patent document 1).This Brister Shandong bar is that the width of brush is provided as into length side To approximately parallelepiped body bar, tooth tongue can be brushed away from dental surface when counterpart intracavitary is cleaned.

In addition, being used as the toothbrush for the purpose of improving massage effect, it is known to a kind of provided with the massage being made up of elastomer The toothbrush of device.

It is used as the toothbrush provided with massager, it is proposed that a kind of such as toothbrush with Toothbrushing stick, is planting the outermost of hair Both sides set the cylindrical shaft-like part (for example, patent document 2) of the springy rubber mass of tool.Using patent document 2 Invention, when being cleaned by pieces in oral cavity, can be massaged gum by the cylindrical shaft-like part of rubber mass.

Patent document 1：The flat 11-502439 publications of Japanese Patent Laid

Patent document 2：Japanese Utility Model Showa 58-17029 publications

Invent problem to be solved

But, in the technology of patent document 1, although burris pressure pin is slided on gum, but the massage of gum is imitated It is really insufficient.In addition, in the technology of patent document 2, although the cylindrical shaft-like part of rubber properties is pushed away to gum Pressure, but massage effect is insufficient.Because the shaft-like part of cylinder is without hardness, it is impossible to big pressure bias gum.If in addition, The rigidity of cylindrical rod-like members is only improved, then can substantially damage intraoral cleaning effect, what also contact sense declined asks Topic.

In this way, in conventional technology, being all difficult to while having the massage effect and intraoral cleaning effect of gum.

The content of the invention

Therefore, it is an object of the present invention to provide such a effectively enter in which can will not damage cleaning effect to gum The toothbrush of row massage.

Means for solving the problems

The toothbrush of the present invention, being planted on the plant hair side on head has the pieces of multiple bristle bandings, the toothbrush Feature is that elastomeric element is provided with the head, and the elastomeric element has：It is provided projectingly the pedestal on the plant hair side The multiple juts of portion and formation on the protrusion end face of the base portion, the jag surface side branch of the pedestal.

It is preferred that the elastomeric element, the branch by the otch from jag facing to cardinal extremity, it is preferred that institute Elastomeric element is stated provided with more than 2, and the head width and the head length direction both sides or any One side, clips the pieces and sets, it is preferred that the elastomeric element, and its height planted on hair side is less than the pieces.

That is, the present invention is as follows.

[1] a kind of toothbrush, being planted on the plant hair side on head has the pieces of multiple bristle bandings,

The flexible part in head, the elastomeric element has：Be provided projectingly it is described plant hair side on base portion, with And multiple juts on the protrusion end face of the base portion are formed, when cleaning oral cavity, the jut is abutted with gum,

The jag surface side branch of the base portion,

The jut has the Breadth Maximum in the section parallel with the prominent end face with dashing forward towards the jut The shape for going out end and reducing,

The base portion by from the jag facing to it is described plant hair side otch and branch,

The elastomeric element clips the pieces and set on the width on the head,

The elastomeric element respectively sets more than 2, the quantity of the elastomeric element in the width both sides on the head 4-14 are amounted to,

In each base portion, the jut is respectively formed with 2-3 on the width of the base portion,

Total width and length less than the base portion of the Breadth Maximum of the cardinal extremity of the multiple jut.

[2] toothbrush as described in [1], the height planted on hair side of the elastomeric element, less than the plant hair side of the pieces On height maximum.

In the toothbrush of the present invention, also it is preferred that the base portion is for rectangular flat column when overlooking.

It is preferred that the jut, the maximum in the case of the arbitrary face cut-out parallel with the prominent end face is wide Degree reduces with towards jag.

It is preferred that the head has the elastomeric element of more than 3, less than 12, the elastomeric element, in institute At least one party for stating the width on head and the length direction on the head is upward, clips a part for the pieces and sets Put.

It is preferred that the elastomeric element is located at the both sides of the width on the head.

In addition, as the present invention other forms or, the head has the bullet of more than 2, less than 12 Property part, the elastomeric element is located on the length direction on the head between the pieces.

In addition or, the elastomeric element is surrounded by the pieces.

In addition or, the elastomeric element, along the head length direction side by side provided with more than 3,12 with Under, and pieces is provided with from each other in the elastomeric element being located at side by side.

May also be, the base portion, by formed its protrude end face on recessed bar and branch.

The effect of invention

Using the toothbrush of the present invention, cleaning effect will not be damaged, gum can be effectively massaged.

Brief description of the drawings

Figure 1A is the top view on the head of the toothbrush of one embodiment of the present invention.

Figure 1B is the side view on the head of the toothbrush of one embodiment of the present invention.

Fig. 2A is the top view on the head of the toothbrush of another embodiment of the present invention.

Fig. 2 B are the side views on the head of the toothbrush of another embodiment of the present invention.

Fig. 3 A are the top views on the head of the toothbrush of another embodiment of the invention.

Fig. 3 B are the side views on the head of the toothbrush of another embodiment of the invention.

Fig. 4 A are the top views on the head of the toothbrush of another embodiment of the invention.

Fig. 4 B are the side views on the head of the toothbrush of another embodiment of the invention.

Fig. 5 is the side view of the elastomeric element of one embodiment of the present invention.

Fig. 6 A are the top views on the head of the toothbrush of another embodiment of the invention.

Fig. 6 B are the side views on the head of the toothbrush of another embodiment of the invention.

Fig. 7 A are the top views on the head of the toothbrush for being used as comparative example of the present invention.

Fig. 7 B are the side views on the head of the toothbrush for being used as comparative example of the present invention.

Fig. 8 A are the top views on the head of the toothbrush for being used as comparative example of the present invention.

Fig. 8 B are the side views on the head of the toothbrush for being used as comparative example of the present invention.

Fig. 9 A are the top views on the head of the toothbrush for being used as comparative example of the present invention.

Fig. 9 B are the side views on the head of the toothbrush for being used as comparative example of the present invention.

Figure 10 A are the top views on the head of the toothbrush for being used as comparative example of the present invention.

Figure 10 B are the side views on the head of the toothbrush for being used as comparative example of the present invention.

Figure 11 A are the top views on the head of the toothbrush for being used as comparative example of the present invention.

Figure 11 B are the side views on the head of the toothbrush for being used as comparative example of the present invention.

Figure 12 A are the top views on the head of the toothbrush for being used as comparative example of the present invention.

Figure 12 B are the side views on the head of the toothbrush for being used as comparative example of the present invention.

Symbol description

1st, 100,200,300,400 toothbrush

2 heads

3 handle portions

10th, 110,410 elastomeric element

12nd, 112,412 base portion

13rd, 113,413 end face is protruded

14 juts

16 otch

20 plant hair side

32nd, 132 pieces

116 recessed bars

Embodiment

The toothbrush of the present invention is on the plant hair side on head, and implanting has pieces, and provided with elastomeric element, the elastomeric element has The multiple juts of base portion and formation on the protrusion end face of the base portion.Below, embodiment is shown and to this hair Bright toothbrush is illustrated.

(first embodiment)

For the toothbrush of the first embodiment of the present invention, illustrated referring to Figure 1A and Figure 1B.

Figure 1A and Figure 1B toothbrush 1 has：Handle body, the handle body has the handle portion 3 of rectangular shape and is located at handle portion 3 The head 2 on top；And elastomeric element 10, the elastomeric element 10 is located on the plant hair side 20 on head 2.

The plan view shape on head 2 is and the prolonging the axes O 1 from cardinal extremity 22 towards top 21 by by the center on head 2 Length direction as length direction rectangle.

In addition, for " rectangle " in this specification, part or all comprising top is formed with straight line or curve Corner cut rectangle and part or all of rectangle formed by curve on side.

The middle body of hair side 20 is being planted, implanting has 2 row (the pieces number arranged along the width on head) × 6 row (edge The pieces number of the length direction arrangement on head) the pieces 32 by multiple bristle bandings, so as to form central pieces group 30. In addition, in the side of top 21 for the central pieces group 30 for planting hair side 20, plant in order from top 21 has the row of 2 row × 1,4 to arrange × 1 rows Pieces 32.In addition, in the side of cardinal extremity 22 of central pieces group 30, implanting has the pieces 32 of the row of 3 row × 1.So, in this embodiment party In formula, the plant hair portion being made up of 21 pieces 32 is formed with.As long as in addition, the effect with the present invention, also can suitably change plant If the columns and line number of pieces 32, for example, also can be from the top 2 on head in order, with 1~3 × 1~2 rows of row, 2~4 row × 1 ~2 rows, 2~3 × 2~10 rows of row (central pieces group 30), the mode of 1~3 × 1~2 rows of row are planted to pieces 32.

In addition, on hair side 20 is planted, 2 bullets are respectively provided with the width both sides on the head 2 for clipping central pieces group 30 Property part 10.The side of central pieces group 30 is being clipped, 2 elastomeric elements 10 is being arranged along the extending direction of axes O 1, is clipping The opposite side of central pieces group 30,2 elastomeric elements 10 are arranged along the extending direction of axes O 1.In addition, so-called head 2 is " wide Spend direction ", it is direction orthogonal with axes O 1 when overlooking, " length direction " on head 2 is the extending direction of axes O 1.

In toothbrush 1, head 2 is integrally formed as rectangular shape with the entirety of handle portion 3, for example, being penetrated by material use of resin Go out to be shaped to achieve.Constitute the resin of handle body, it is contemplated that rigidity and mechanical property required by toothbrush 1 etc. determine, can be with Enumerate for example：Bending modulus (JIS K7203) is in the high hardness resin of 500~3000PMa scopes.It is used as this high rigidity tree Fat, can be enumerated for example：The own diformazan terephalic acid ester (PCT) of polypropylene (PP), polyethylene terephthalate (PET), polycyclic, Polystyrene (PS), acrylonitrile-butadiene-styrene resin (ABS), cellulose propionate (CP), polyarylate, makrolon With acrylonitrile-styrene copolymerized resin (AS) etc..They can be used alone it is a kind of or appropriately combined more than two kinds use.

In addition, handle portion 3 also can a part or whole part covered with the supple resin such as elastomer.

The size on head 2, it is contemplated that intraoral operability etc. is determined, for example, width becomes 8~15mm, length Become 15~40mm, thickness becomes 2.5~8mm.

As the bristle for constituting pieces 32, it can enumerate：The bristle (taper hair) that diameter is tapered into high-quality green tea；Except hair Outside the rounded portions of point, the roughly the same bristle of external diameter (broad wool)；Spiral helicine bristle；And curly bristle etc..

The material of bristle, can be used for example：The polyamide of 6-12 nylon, 6-10 nylon etc.；PET, poly terephthalic acid fourth Diol ester (PBT), PTT (PTT), PEN (PEN), PBN Etc. (PBN) polyester；The synthetic resin material of PP etc. polyolefin, olefin type elastomer, styrenic elastomer etc..

These resin materials, also can be combined it is a variety of use, wherein, to strengthen the dirty removal of hardness, tooth higher from easy Viewpoint is seen, it is best to use the mixture of multiple polyester.

In addition, as the mixture of multiple polyester, preferably combination is：Polyethylene terephthalate is with poly- to benzene two The combination of formic acid butanediol ester；The combination of polyethylene terephthalate and PTT；Gather to benzene two The combination of formic acid butanediol ester and PTT；Or polyethylene terephthalate, poly- terephthaldehyde The combination of sour butanediol ester, PTT.

In addition, as bristle, can enumerate：The polyester bristle constructed with multiple core, the multiple core construction is that have The construction of core and at least one layer of sheath portion above being located on the outside of the core.If with multiple core construction, core and sheath Different polyester can be used in portion, are easily adjusted mechanical-physical.Therefore, it can be readily available that hardness is strong, the dirty removal of tooth is higher Bristle.

In addition, the combination of the different polyester as the bristle that can be used for above-mentioned core and sheath portion, preferably combination are：Sheath portion For the combination that polyethylene terephthalate, core are polybutylene terephthalate (PBT)；Sheath portion is poly terephthalic acid fourth Diol ester, core are the combination of PTT；Or sheath portion is that polyethylene terephthalate, core are poly- The combination of propylene glycol ester terephthalate.

The shape of cross section of bristle is preferably circle, but is not necessarily limited to circle, may correspond to the purpose purposes of toothbrush 1 And arbitrary shape is made, for example, it may be ellipse, polygon (such as triangle, quadrangle, pentagon, hexagon and star Shape etc.), the clover shape of trilobal, the clover shape of four leaves etc..

The rugosity (Breadth Maximum i.e. in cross section) of bristle, it is contemplated that material and length etc. are next suitably to be determined, for example, In the case that circle is in cross section, preferably 3~12mil (1mil=1/1000inch=0.025mm), 4~10mil is more It is good.

In addition, it is also contemplated that use feeling, brush sweep sense, cleaning effect and durability etc., and are combined what rugosity was differed Many bristles are used.

Plant hair side 20 pieces 32 rugosity (Breadth Maximum i.e. in the cross section of pieces), it is contemplated that the material of bristle with Rugosity etc. is determined, for example, preferably 1~3.5mm, 1.5~2.5mm are more preferable.Both the pieces rugosity of pieces 32 that can be whole It is identical, also can be mutually different.

In addition, the beeline between the pieces of plant hair side 20, both can be identical between whole pieces, can respectively not yet Together.As the beeline between the pieces for planting hair side 20, preferably 0.2~1.2mm, 0.3~1.0mm is more preferable.

Staple length (i.e. the height of pieces 32) H1 of pieces 32, i.e., can be in example from hair side 20 is planted to the length on the top of pieces 32 As determined in the range of 6mm~15mm.Both the staple length H1 of pieces 32 that can be whole is identical, also can be mutually different.

In addition, also for example the staple length H1 of each pieces 32 can be adjusted to, as plant hair portion is into the width on head 2 Entreat (i.e. axes O 1) and uprise.

Elastomeric element 10 has：It is provided projectingly the base portion 12 on hair side 20 is planted；And formed in the prominent of base portion 12 The multiple juts 14 gone out on end face 13 (face for the face opposite side being connected i.e. in base portion 12 with plant hair side 20), and elasticity The side of protrusion end face 13 that part 10 is configured to base portion 12 is branched off into 4.

In the present embodiment, it is rectangular when base portion 12 is and the extending direction of axes O 1 is set into the vertical view of length direction The flat column of shape, an opposite side of the width of shape when forming its vertical view and 4 tops are formed by curve.Base portion 12 from its with The border (i.e. the cardinal extremity of base portion 12) of hair side 20 is planted to prominent end face 13, is cut off in the arbitrary section parallel with prominent end face 13 Breadth Maximum afterwards both can be identical, can also be gradually reduced, and also can gradually expand.

The otch 16 from prominent end face 13 towards plant hair side 20 is formed with base portion 12.That is, the protrusion of base portion 12 The side of end face 13 branch by otch 16.

In addition, in present specification and claims, so-called " otch " refers to the protrusion end face of base portion The Breadth Maximum of side branch is less than 3mm slit (gap).

In the protrusion end face 13 of base portion 12, to arrange 2, the length in base portion 12 on the width of base portion 12 The mode that degree direction arranges 4 forms jut 14.Jut 14 is for substantially circular, with towards jag when overlooking Undergauge it is coniform.Otch 16 is formed along between the jut 14 of the length direction of base portion 12 arrangement, the branch of base portion 12 Various pieces afterwards are respectively provided with 2 juts 14.

In addition, jut 14 is not limited on the width of base portion 12 form 2, the length direction in base portion 12 It is upper to form 4, as long as the effect with the present invention, can also form 1~3, in length side on the width of base portion 12 It is upwardly formed 2~8.

In addition, the various pieces of the branch of base portion 12 are not limited to respectively have 2 juts 14, as long as the effect with the present invention Really, can also have 1~4 respectively.

In the present embodiment, elastomeric element 10 be by base portion 12 and the integrally formed part of jut 14, for example, with Resin is obtained for material by injection molding.The resin of elastomeric element 10 is constituted, as long as produced when cleaning in oral cavity suitable The resin of the flexure of degree, can be enumerated for example：Soft resin.As soft resin, preferably (JISK6253 is hard for hardness Degree experiment, experimental condition JIS A) be 5~100 resin, hardness for 20~60 resin it is more preferable.Because, when hardness is 5 More than, just there is sufficiently elasticity, sufficient massage effect can be obtained, when hardness is less than 100, gum would not be damaged, and Sufficient massage effect can be obtained.

As the specific example of soft resin, it can enumerate：Polyolefins thermoplastic elastomer, polystyrene-type thermoplastic Elastomer, polyurethane-type thermoplastic elastomer, polyester-type thermoplastic elastomer, 1,2- polybutadiene analog thermoplastic elastomer, second Alkene-vinylacetate analog thermoplastic elastomer, polyvinyl chloride analog thermoplastic elastomer, natural rubber analog thermoplastic elastomer, fluorine Analog thermoplastic elastomer, trans-polyisoprene analog thermoplastic elastomer etc..

In the present embodiment, the height h1 of elastomeric element 10, that is, plant hair side 20 to the length of the jag of jut 14, can Consider the staple length H1 of pieces 32 and the material of elastomeric element 10 etc. to determine, for example, preferably 5.5~14.5mm, 7~11mm More preferably.More than for above-mentioned lower limit, then when cleaning in oral cavity, jut 14 is easily abutted with gum, can be obtained better Massage effect.Below for above-mentioned higher limit, then elastomeric element 10 have appropriateness hardness and flexibility, can further improve by Rub effect.

In addition, the height h1 of elastomeric element 10, preferably lower than pieces 32 staple length H1 maximum, with [H1]-[h1] institutes Difference of height the D1 preferably 0.5~3mm, 1~2.5mm of expression are more preferable.By making elastomeric element 10 be less than pieces 32, so as to Pieces 32 is further improved to the massage effect of the cleaning effect and elastomeric element 10 in the flank of tooth or between cog portion to gum.

The height h2 of base portion 12, it is contemplated that hardness and flexibility required by elastomeric element 10 are determined, for example, preferably Be 5~11mm, 6~8mm is more preferable.The length L1 of base portion 12 is the length on the length direction of base portion 12 when overlooking Maximum, it is contemplated that hardness and flexibility required by elastomeric element 10 are determined, for example, preferably 3~15mm, 5~ 10mm is more preferable.

The width W1 of base portion 12 is the maximum of the length on the width of base portion 12 when overlooking, it is contemplated that bullet Hardness and flexibility required by property part 10 are determined, for example, preferably 1~3mm, 1.5~2.5mm is more preferable.

The height h3 of jut 14 is the length from prominent end face 13 to the jag of jut 14, it is contemplated that jut 14 Material etc. is determined, for example, preferably 0.5~4mm, 1~3mm are more preferable.If in above range, then can obtain better Massage effect.

The width r1 (i.e. as the Breadth Maximum of the cardinal extremity of jut 14) of jut 14, as long as the width of 2 nose portion R1 total width W1 less than base portion 12, and be contemplated that material of jut 14 etc. to determine, for example, preferably 0.5~2mm, 0.8~1.2mm is more preferable.If in above range, then the balance of intensity and flexibility is good.In addition, both can be whole Jut 14 width r1 it is identical, also can be mutually different.

The depth d1 of otch 16 in base portion 12, it is contemplated that material and width W1 of base portion 12 etc. determine, for example, Preferably the 1/3~2/3 of the height h2 of base portion 12,2/5~3/5 is more preferable.When less than above-mentioned lower limit, it is likely that elastic portion The stimulation that part 10 assigns gum is too strong, when more than above-mentioned higher limit, it is likely that the stimulation that elastomeric element 10 assigns gum is excessively weak, So as to which massage effect is insufficient.

The width w2 of otch 16 is the ultimate range between the component of base portion 12, it is contemplated that the material of base portion 12 Etc. determining, for example, preferably below 2mm, below 1mm are more preferably, then preferably below 0.5mm, between the part of branch Also it can contact.When width w2 is below above-mentioned higher limit, then elastomeric element 10 can assign the stimulation of appropriateness to gum, can enter one Step improves massage effect.

The beeline w1 of arbitrary otch 16 and another otch 16, as long as can be in the part of the branch of base portion 12 The upper distance for forming jut, it is contemplated that the material and length L1 of base portion 12, width W1, the width r1 of jut 14 etc. To determine, for example, preferably 0.8~5mm, 1~3mm are more preferable.In addition, beeline w1 both can be all identical, also can be mutual It is different.

During less than above-mentioned lower limit, it is possible to which the stimulation that elastomeric element 10 assigns gum is excessively weak, massage effect is just insufficient, During more than above-mentioned higher limit, it is possible to which the stimulation that elastomeric element 10 assigns gum is too strong.

As the beeline between the elastomeric element 10 arranged on the extending direction of axes O 1, preferably 2~ 10mm, 3~8mm is more preferable.

Elastomeric element 10 and the beeline of central pieces group 30, preferably 0.2~1.5mm, 0.3~1.0mm are more preferable.

In addition, central pieces group 30 preferably its width is 2~5mm, length is 2~12mm.

The manufacture method of toothbrush 1, can enumerate for example following manufacture methods, and it has with following process：Handle body is entered Row shaping (once-forming), sets the forming process of elastomeric element 10 (secondary forming) on resulting handle body；And connect The plant hair process that pieces 32 is planted on head 2.

Once-forming is such operation：Using a pair one time mould, a pair one time mould is formed with the shape with handle body The corresponding chamber of shape, the resin (a sometimes referred to as resin) for constituting handle body is injected in the chamber, so as to shape hand Shank body.

Then secondary forming is such operation：Using a pair two times moulds, a pair two times moulds are formed with and elasticity The corresponding chamber of shape of part 10, once-forming resulting handle body is loaded into the chamber of secondary mould, will be constituted The resin (sometimes referred to as secondary resin) of elastomeric element 10 is injected in secondary mould, so as to set elastic portion on hair side 20 is planted Part 10.The chamber of secondary mould is shaped so as to：When handle body is loaded into chamber, the handle body of filling and chamber it Between the space that is formed it is corresponding with elastomeric element 10.

It is the process for planting on head 2 pieces 32, making toothbrush 1 to plant hair process.The implanting of pieces 32, can be used public affairs The method known, can enumerate such as lenticular wire and plant hair method：The pieces doubling that will be made up of many bristles, sandwiches anti-avulsion in-between Part (lenticular wire), the lenticular wire is hammered into plant pore and pieces is fixed.Known lenticular wire can be used in the lenticular wire, can To enumerate for example：The flat lenticular wire of brass system, aluminum.

Then, to the application method of the toothbrush 1 of present embodiment, to be cleaned with rubbing manipulation or shower method counterpart intracavitary Exemplified by illustrate.

The top of pieces 32 is abutted with the flank of tooth and neck portion, move back and forth extending direction of the toothbrush 1 along axes O 1.This When, pieces 32 brushes away the dirt of the flank of tooth, between cog portion or neck portion, while jut 14 is slided on gum.When jut 14 exists When being slided on gum, jut 14 or base portion 12 are bent and elasticity recovery because of its resistance.Further, since base portion 12 is logical Cross otch 16 and branch, therefore, the part of branch is bent to the length direction and width of elastomeric element 10 respectively, and appropriateness is slow With the stimulation to gum.In addition, a part for pieces 32 is the pieces 32 to form central pieces group 30, due to being arranged on head 2 The elastomeric element 10 of width both sides is clipped, therefore, to the mobile restricted system of the width of head 2.So, the bullet of toothbrush 1 Property part 10 gum is pressed with the pressure of appropriateness, play to the massage effect of gum, meanwhile, pieces 32 is well to the flank of tooth, tooth Between portion or neck portion wiped across.

Using present embodiment, due to that provided with elastomeric element 10, therefore, when cleaning in oral cavity, can play to gum Massage effect.

The elastomeric element 10 of present embodiment, due to being the elastomeric element that jut 14 is formed with base portion 12, because This, when cleaning in oral cavity, mainly jut 14 is abutted with gum.Because the Breadth Maximum of the cardinal extremity of jut 14 is less than base The width and length of portions 12, therefore, while the power on it will focus on jag passes to gum, can flexibly bend. Therefore, assign gum soft contact sense.

Further, since elastomeric element 10 has the rigidity of appropriateness by base portion 12, therefore, it is possible to pass through jut 14 The stimulation of the appropriate intensity of gum is assigned, massage effect can be improved.

Further, since the side branch of protrusion end face 13 of base portion 12, therefore, enters with rubbing manipulation or shower method counterpart intracavitary During row cleaning, the branch of base portion 12 is bent respectively, can moderately relax the stimulation for assigning gum.

That is, elastomeric element 10, due to periodically become from cardinal extremity to jag easily flexure, therefore, jut 14 with Soft contact sense is abutted with gum, while the overall stimulation for assigning gum appropriateness.

Typically, toothbrush is designed to, and in cleaning oral cavity internal procedure, is interfered between pieces, thus can play appropriateness The hard intensity of hair.If the plant hair side in this toothbrush sets elastomeric element 10, pieces can tail off in quantity, under the hard intensity of hair The tendency that drop, cleaning effect decline.

Using present embodiment, because a part for pieces 32 is that central pieces group 30 is clipped by elastomeric element 10, therefore, Forming the flexure situation of pieces 32 to the width on head 2 of central pieces group 30 is restricted.Therefore, even if the number of pieces 32 Quantitative change is few, it may have strong hair hardness, can further improve cleaning effect.

(second embodiment)

The toothbrush of second embodiment of the present invention is illustrated referring to Fig. 2A and Fig. 2 B.

For with first embodiment identical part, put on identical symbol, and the description thereof will be omitted, main pair and first The difference of embodiment is illustrated.

The toothbrush 100 of present embodiment, in the arranged on both sides of the length direction (i.e. the extending direction of axes O 1) on head 2 Pieces 132 is provided between 2 elastomeric elements 10.That is, toothbrush 100 be its a kind of elastomeric element 10 in the width on head 2 and The toothbrush that this both sides of length direction clip a part for pieces and set.

Planting hair side 20, plant in order from the top 21 on head have the row of 2 row × 1,4 × 1 rows of row, 2 × 3 rows of row, 4 arrange × 1 row (pieces that the width two ends on head 2 wherein, are represented with symbol 132), 2 × 3 rows of row, the pieces 21 of 3 × 1 rows of row.Plant It is identical between beeline between the pieces of hair side 20, pieces that both can be whole, also can be respectively different.As between pieces most Short distance, preferably 0.2~1.2mm, 0.3~1.0mm are more preferable.

Elastomeric element 10 is respectively set by its length in the way of the extending direction of axes O 1 in the both sides of the width on head 2 There are 2.Two pairs of relative elastomeric elements 10 all clip the pieces 32 of the row of 2 row × 3 and set on the width on head 2.Quilt The pieces 32 for 2 × 3 rows of row that a pair of elastomeric elements 10 centered on pieces 132 and positioned at the side of top 21 are clipped is formed in first Entreat pieces group 130a.In addition, 2 row × 3 clipped by a pair of elastomeric elements 10 centered on pieces 132 and positioned at the side of cardinal extremity 22 The central pieces group 130b of the capable formation of pieces 32 second.

Central pieces group 130a is preferably that its width is 2~5mm, and length is 2~10mm.

Central pieces group 130b is preferably that its width is 2~5mm, and length is 2~10mm.

In addition, implanting has pieces 132 between a pair of elastomeric elements 10 of the extending direction arrangement along axes O 1.

The beeline of each elastomeric element 10 and pieces 132, both can be all identical, also can be different.It is used as elastomeric element 10 With the beeline between pieces 132, preferably 0.3~1.2mm, 0.5~1.0mm is more preferable.

In addition, as the beeline of elastomeric element 10 and central pieces group 130a or central pieces groups 130b, preferably It is 0.2~1.5mm, 0.3~1.0mm is more preferable.

As long as in addition, with the present invention effect, can also suitably change implanting pieces 32 columns and line number, also can example Such as being planted in order from the top 21 on head has 1~3 × 1~2 rows of row, 2~4 × 1~2 rows of row, 1~3 × 1~4 rows of row (center Pieces group 130a), 3~5 row × 1~2 rows (wherein, with symbol 132 represent head 2 width two ends zero~zero arrange hair Beam), 1~2 × 1 × 4 rows of row (central pieces group 130b), the pieces 32 of 1~3 × 1~2 rows of row.

Using the toothbrush 100 of present embodiment, elastomeric element 10 clips one of pieces 32 on the width on head 2 Divide (that is, central pieces group 130a and central pieces group 130b) and set, the length direction on head 2 clips pieces 132 and set Put.Therefore, when being cleaned with the counterpart intracavitary of toothbrush 100, form the first central pieces group 130a pieces 32, form second Central pieces group 130b pieces 32, is restricted to the flexure situation of the width of head 2.Therefore, the first central pieces is formed The central pieces group 130b of group 130a and second pieces 32, is cleaned with the stronger hard counterpart intracavitary of hair.

Further, since pieces 132 is clipped on the length direction on head 2 by elastomeric element 10, therefore, make toothbrush 100 In the case of being moved back and forth along the extending direction of axes O 1, it is restricted to the flexure situation of the length direction of head 2, can be with stronger hair Hard counterpart intracavitary is cleaned.

In this way, a part for pieces is clipped in the width and length direction on head 2 this both sides by elastomeric element 10 And set, so as to further improve the cleaning effect of toothbrush 100.

(the 3rd embodiment)

Illustrated referring to Fig. 3 A and Fig. 3 B come the toothbrush to third embodiment of the invention.

For with first and second embodiment identical part, put on identical symbol, the description thereof will be omitted, main pair with First and second embodiment difference is illustrated.

The toothbrush 200 of present embodiment, separation arrangement is provided with 3 elastomeric elements 10, each elastomeric element 10 in axes O 1 It regard the extending direction of axes O 1 as width.

Hair side 20 is being planted, is being provided with order from the top 21 on head：The pieces 32,4 of 2 × 1 rows of row arranges the pieces of × 1 row 32nd, elastomeric element 10,4 arranges the pieces 32 of × 1 row, elastomeric element 10,4 and arranges the pieces 32 of × 1 row, the row of elastomeric element 10,4 × 1 Capable pieces 32 and 3 arranges the pieces 32 of × 1 row.That is, length direction of 3 elastomeric elements 10 of toothbrush 200 on head 2 be Clip a part for pieces 32 and set.

The beeline between the adjacent pieces of hair side 20 is planted is planted, it is identical between pieces that both can be whole, it can also divide It is not different.As the beeline between pieces, preferably 0.2~1.2mm, 0.3~1.0mm is more preferable.

It is disposed in parallel in the beeline between the elastomeric element 10 in axes O 1, preferably 2~5mm, 3~4mm is more It is good.Beeline between elastomeric element 10, both can be all identical, also can be different.

In addition, as the beeline between elastomeric element 10 and pieces 32, preferably 0.2~1.0mm, 0.3~ 0.8mm is more preferable.Beeline between elastomeric element 10 and pieces 32, both can be all identical, also can be different.

As long as in addition, with the present invention effect, also can suitably change implanting pieces 32 columns and line number, also can be such as It is provided with order from the top 21 on head：The pieces 32,2~4 of 1~3 × 1~2 rows of row arranges the pieces 32 of × 1~2 rows, elastic portion Part 10,3~5 arranges the pieces 32 of × 1~3 rows, elastomeric element 10,3~5 and arranges the pieces of × 1~3 rows, the row of elastomeric element 10,3~5 The pieces 32 and 1~3 of × 1~3 rows arranges the pieces 32 of × 1~2 rows.

Using the toothbrush 200 of present embodiment, length direction of the elastomeric element 10 on head 2 clips a part for pieces 32 And set.Therefore, in the case where moving back and forth extending direction of the toothbrush 200 along axes O 1, to scratching for the length direction of head 2 The bent pieces 32 limited by elastomeric element 10 increases, and flank of tooth etc. can be cleaned firmly with stronger hair.

(the 4th embodiment)

Illustrated referring to Fig. 4 A and Fig. 4 B come the toothbrush to four embodiment of the invention.

For with the first~the 3rd embodiment identical part, put on identical symbol, the description thereof will be omitted, main pair with First~the 3rd embodiment difference is illustrated.

The toothbrush 300 of present embodiment is planting the substantial middle of hair side 20,4 elastomeric elements 10 provided with 2 × 2 rows of row, And provided with the pieces 32 for being surrounded the elastomeric element being made up of 4 elastomeric elements 10 group.I.e., in toothbrush 300, it is elastic Part 10 is not provided to clip pieces 32.In addition, in present embodiment, elastomeric element 10 is all to set the length direction on head 2 For length direction.

Beeline between the elastomeric element 10 arranged along the length direction on head 2, preferably 0.1~1.0mm, 0.3~0.8mm is more preferable.In addition, along the beeline between the elastomeric element 10 of the length direction arrangement on head 2, both can be whole It is identical, also can be different.

Beeline between the elastomeric element 10 arranged along the width on head 2, preferably 0.1~1.0mm, 0.3~0.8mm is more preferable.In addition, along the beeline between the elastomeric element 10 of the width arrangement on head 2, both can be whole It is identical, also can be different.

Beeline between elastomeric element 10 and pieces 32, preferably 0.2~1.0mm, 0.3~0.8mm are more preferable.Bullet Property part 10 and pieces 32 between beeline, both can be all identical, also can be different.

Using the toothbrush 300 of present embodiment, because elastomeric element 10 is located at the substantial middle on head 2, therefore, pieces 32 It is restricted to the flexure situation for planting the center direction of hair side 20, is difficult to be restricted to the flexure situation for planting the lateral direction of hair side 20.

Therefore, pieces 32 is scratched when strong to hair cirrhosis when planting the flexure of the center direction of hair side 20 when to the plant lateral direction of hair side 20 Qu Shimao cirrhosis is weak (soft contact sense), is cleaned with this in oral cavity.

But, in toothbrush 300, the pieces 32 near axes O 1 tails off, easily infringement cleaning true feeling.Therefore, elastic portion Part 10 is preferably disposed in the width both sides on head 2.

(other embodiment)

The present invention is not limited to above-mentioned embodiment.

It is rectangle when head is overlooked in the first~the 4th embodiment, but the present invention is not limited to this, shape during vertical view Shape may also be the circle of circular, ellipse etc., be pentagon etc. when being triangle, vertical view during vertical view, be rectangle during vertical view Polygon in addition.Here, polygon is formed with the shape and the part on each side of the corner cut of straight line or curve comprising each top Or all make the shape of curve.

In the first~the 4th embodiment, although be rectangular flat column when base portion makes vertical view, but the present invention This is not limited to, but base portion is positive round column or elliptic cylindrical shape cylindric or be triangle, pentagon when overlooking Deng and when overlooking for the flat column beyond rectangle.

But, from the viewpoint of being prevented when base portion is abutted with gum and cheek to user's imparting intense stimulus, compared with Good is the flat column or cylindric that top is formed in curved lines, and from the viewpoint of further raising massage effect, is preferably bowed It is considered as rectangular flat column.

In the first~the 4th embodiment, although jut is made coniform, but the present invention is not limited to this, jut Shape be contemplated that material etc. come suitably determine.The shape of jut, both can be such as triangle hammer shape, plane set-hammer shape, pentagon hammer The polygon of shape etc. hammers shape into shape or hemispherical, and the column of cylindric or polygonal column etc. is can be again, or with contracting shape portion Jut, the contracting shape portion be then columnar part and its be gradually reduced relative to the Breadth Maximum in the section of prominent end face level, The Breadth Maximum in the section of the level of the columnar part is roughly the same relative to prominent end face from the cardinal extremity of jut towards jag. But, from the viewpoint of making more soft jut from the contact sense to gum and assigning more adequate stimulus to gum, jut Preferably coniform, polygon hammer shape, hemisphere, or jut with contracting shape portion etc., the contracting shape portion are then columnar parts And it is gradually reduced relative to the Breadth Maximum in the section of prominent end face level, the Breadth Maximum in the section of the level of the columnar part Roughly the same relative to prominent end face from the cardinal extremity of jut towards jag, above-mentioned preferable jut has as direction is prominent Go out the shape that the Breadth Maximum in section of the end relative to prominent end face level reduces, jut preferably top fuller shape, polygon Hammer shape into shape, top fuller shape is best.

In the first~the 4th embodiment, although 8 juts are formed with 1 base portion, but the present invention is not limited Due to this, the quantity of jut is contemplated that material of jut etc. suitably to determine, both can be more than 2, less than 7, also may be used It is more than 9, less than 16.

In the first~the 4th embodiment, although the jag surface side of base portion branches into 4 and (that is, is formed with 3 to cut Mouthful), but also contemplate for the size of base portion to determine branch's number of base portion, the jag surface side of base portion can both be branched off into 2 ~3, it can also be branched off into more than 5.But, from the viewpoint of the stimulation made to gum is more appropriate, preferably it is branched off into 2~ 12, it is branched off into 3~8 more preferably.

In the first~the 4th embodiment, although base portion is integrally formed with jut, but the present invention is not limited to this, Base portion can also be formed separately different piece with jut.

In the first~the 4th embodiment, although base portion branch by otch, but the present invention is not limited to this, example Such as, elastomeric element 110 as shown in Figure 5 is trapezoidal when side view can be also formed on the protrusion end face 113 of base portion 112 like that Recessed bar 116 so that the side branch of protrusion end face 113 of base portion 112.

In addition, so-called herein " recessed bar ", refer in the side view of the protrusion side end face branch of base portion between trapezoidal Gap, the minimum value on a trapezoidal side base is that more than 1.0mm, below 5mm, the minimum value on the base of the opposing party are 2mm during side view Above, below 8mm.

But, when counterpart intracavitary is cleaned, due to producing interference between the part of base portion branch, therefore, from general The stimulation of the intensity of appropriateness assigns gum and from the viewpoint of improving massage effect, preferably base portion by otch branch.

In the first embodiment, although head width both sides respectively set 2 amount to 4 elastomeric elements, but The present invention is not limited to this, and elastomeric element both can respectively set 1 in the width both sides on head and amount to 2, also can be on head Width both sides respectively set more than 3 altogether more than 6.But, gum and carried from the stimulation of the intensity of appropriateness is assigned From the viewpoint of high massage effect, the quantity of elastomeric element preferably amounts to 4~14, and 4~10 more preferably altogether.

In addition, being located at the quantity of the elastomeric element of the side of head width direction one and being located at the number of the elastomeric element of the opposing party Amount, both can be identical, also can be different.But, from the viewpoint of the flexure situation for the pieces for controlling to be clipped by elastomeric element better See, the quantity of the quantity for being located at the elastomeric element of the side of head width direction one and the elastomeric element for being located at the opposing party is preferably identical.

In this second embodiment, although head width both sides respectively set 2 amount to 4 elastomeric elements, but The present invention is not limited to this, and elastomeric element both can respectively set 1 to amount to 2 in the width both sides on head, also can respectively set 3 Amount to more than 6 more than individual.But, assign gum and from the viewpoint of improving massage effect from by the stimulation of the intensity of appropriateness, bullet Property part quantity preferably amount to 4~14, altogether 4~10 more preferably.

In the third embodiment, although provided with 3 elastomeric elements, but the present invention is not limited to this, the number of elastomeric element Amount both can be 1~2 or more than 4, less than 8.But, pressed from stimulating the intensity of appropriateness to assign gum and improve From the viewpoint of effect of rubbing, preferably 2~10,3~8 more preferably.

In the 4th embodiment, although elastomeric element group is formed by 4 elastomeric elements, but the present invention is not limited to this, The quantity of the elastomeric element of elastomeric element group is formed, more than 1 or less than 3 is both can be, more than 5,8 are can be again Below.But, assign gum and from the viewpoint of improving massage effect from by the stimulation of the intensity of appropriateness, preferably 3~20, 4~10 more preferably.

In this way, the present invention toothbrush, be a kind of quantity of appropriately combined elastomeric element, size, the quantity of jut and point Number etc., can adjust the toothbrush of cleaning effect and massage effect.

For example, referring to Fig. 6 A and Fig. 6 B, enter to arranging the toothbrush provided with the elastomeric element of more than 3 in head length direction Row explanation.

For with the first~the 4th embodiment identical part, put on identical symbol, the description thereof will be omitted, main pair with First~the 4th embodiment difference is illustrated.

Fig. 6 A toothbrush 400 is respectively provided with 3 elastomeric elements 410 in the width both sides on the head 2 for planting hair side 20, elasticity It is rectangular flat column when part 410 is overlooked, the length direction of elastomeric element 410 is the extending direction of axes O 1.On head 2 The relative three pairs of elastomeric elements 410 of width, all clip the pieces 32 of the row of 2 row × 2 and set.

As long as in addition, the effect with the present invention, also can suitably change the elastic portion along head length direction spread configuration The number of part 410, for example, can be configured as more than 3, less than 10 elastomeric elements.In addition, the width phase on head 2 To elastomeric element 410, also can all clip 1~3 row × 1~3 rows pieces 32 and set.

Pieces 132 is provided between the elastomeric element 410 arranged along the rectangle of head 2.That is, in the width on head 2 Both sides, are respectively provided with 2 pieces 132, and pieces 132 is sandwiched in along between the elastomeric element 410 of the length direction arrangement on head 2.

As long as in addition, with the present invention effect, be sandwiched in along head 2 length direction arrangement elastomeric element 410 it Between pieces 132, can also be set as × 2 rows of row of the row of 3 row × 2~5.

Elastomeric element 410 has：During vertical view for rectangular flat column base portion 412；And formed in base portion 412 Protrusion end face 413 on 4 juts 14, and be formed with 1 from prominent end face 413 towards the otch 16 for planting hair side 20.

As long as in addition, with the present invention effect, also can suitably change the number of jut and the number of otch, for example, The number for being formed at the jut that base portion 412 protrudes end face 413 can be more than 1, less than 4, towards plant hair side 20 Otch 16 can be more than 1, less than 3.

As the length L1 of the base portion 12 of elastomeric element 410, (length direction of base portion 12 is most greatly enhanced when overlooking Degree), preferably 1~7mm, 2~6mm is more preferable.

In addition, (width of base portion 12 is most when overlooking by the width W1 of base portion 12 as elastomeric element 410 Long length), preferably 1~4mm, 2~3mm is more preferable.

As the beeline between elastomeric element 410 and pieces 32, preferably 0.2~1.0mm, 0.3~0.8mm is more It is good.

Beeline between each pieces 132 of elastomeric element 410, both can be all identical, also can be different.It is used as elastomeric element Beeline between 10 and pieces 132, preferably 0.2~1.2mm, 0.3~1.0mm are more preferable.

The beeline between the adjacent pieces 32 on hair side 20 is planted is planted, it is identical between pieces that both can be whole, Can be respectively different.As the beeline between pieces, preferably 0.5~1.2mm, 0.8~1.0mm is more preferable.

Embodiment

Below, show embodiment and the present invention will be described in detail, but the present invention is not limited to following record.

(embodiment 1)

The specification recorded according to table 1, has made the toothbrush identical toothbrush with Figure 1A and Figure 1B.The toothbrush is, handle body It is PP systems, elastomeric element is styrenic elastomer system, and bristle is nylon system.For the cleaning effect of resulting toothbrush Really, contact sense and massage effect are evaluated, and the results are shown in table 1.In addition, in table 1, by the shape of base portion It is denoted as that for " square column ", the configuration of elastomeric element is denoted as " both sides each 2 ".

(embodiment 2)

In addition to making the identical toothbrush of toothbrush 100 with Fig. 2A and Fig. 2 B, remaining is made same as Example 1 and obtained To toothbrush.Cleaning effect, contact sense and massage effect for resulting toothbrush are evaluated, and the results are shown in table In 1.In addition, in table 1, the shape of base portion is denoted as " square column ", the configuration of elastomeric element is denoted as " each 2 points of both sides From ".

(embodiment 3)

In addition to making the identical toothbrush of toothbrush 400 with Fig. 6 A and Fig. 6 B, remaining is made same as Example 1 and obtained To toothbrush.Cleaning effect, contact sense and massage effect for resulting toothbrush are evaluated, and the results are shown in table In 1.In addition, in table 1, the shape of base portion is denoted as " square column ", the configuration of elastomeric element is denoted as " each 3 points of both sides From ".

(comparative example 1)

In addition to making the identical toothbrush of toothbrush 500 with Fig. 7 A and Fig. 7 B, remaining is made same as Example 1 and obtained To toothbrush.Toothbrush 500 plants the pieces 32 for having the row of 2 row × 8, and clip these pieces 32 and in the width both sides on head 2 Provided with 2 elastomeric elements 510.On elastomeric element 510, the protrusion end face when overlooking for rectangular flat column base portion 512 Along the width arrangement of base portion 512 provided with 2 juts 14, along the length direction arrangement of base portion provided with 14 juts 14.In addition, the base portion 512 is non-limbed.

Cleaning effect, contact sense and massage effect for resulting toothbrush are evaluated, and the results are shown in In table 1.In addition, in table 1, the shape of base portion is denoted as " square column ", the configuration of elastomeric element is denoted as " both sides are each 1”。

(comparative example 2)

In addition to making the identical toothbrush of toothbrush 550 with Fig. 8 A and Fig. 8 B, remaining is made same as Example 1 and obtained To toothbrush.Toothbrush 550 plants the pieces 32 for having the row of 2 row × 8, and clip these pieces 32 and in the width both sides on head 2 It is respectively provided with 2 elastomeric elements 560.Elastomeric element 560, the protrusion end face when overlooking for rectangular flat column base portion 562 On along the width arrangement of base portion 562 provided with 2 juts 14, along the length direction arrangement of base portion provided with 6 projections Portion 14.In addition, the base portion 562 is non-limbed.

Cleaning effect, contact sense and massage effect for resulting toothbrush are evaluated, and the results are shown in In table 1.In addition, in table 1, the shape of base portion is denoted as " square column ", the configuration of elastomeric element is denoted as " both sides are each 2”。

(comparative example 3)

In addition to making the identical toothbrush of toothbrush 600 with Fig. 9 A and Fig. 9 B, remaining is made same as Example 1 and obtained To toothbrush.Toothbrush 600 plants the pieces 32 for having the row of 2 row × 8, and clip these pieces 32 and in the width both sides on head 2 It is respectively provided with 5 elastomeric elements 610.Elastomeric element 610 is a kind of to be formed with 3 on the protrusion end face of just cylindric base portion 612 The part of individual jut 14.In addition, the base portion 612 is non-limbed.

Cleaning effect, contact sense and massage effect for resulting toothbrush are evaluated, and the results are shown in In table 1.In addition, in table 1, the shape of base portion is denoted as " positive cylinder ", the configuration of elastomeric element is denoted as " both sides are each 5”。

(comparative example 4)

In addition to making the identical toothbrush of toothbrush 650 with Figure 10 A and Figure 10 B, remaining make it is same as Example 1 and Obtain toothbrush.Toothbrush 650 is that the elastomeric element 560 of toothbrush 550 (Fig. 8 A and Fig. 8 B) is changed into the elasticity for being formed without jut The toothbrush of part 660.

(comparative example 5)

In addition to making the identical toothbrush of toothbrush 700 with Figure 11 A and Figure 11 B, remaining make it is same as Example 1 and Obtain toothbrush.Toothbrush 700 is provided only with the generally cylindrical elastomeric element towards jag and undergauge planting hair side 20 710.That is, toothbrush 700 is the toothbrush that pieces is not provided with a plant hair side 20.

Cleaning effect, contact sense and massage effect for resulting toothbrush are evaluated, and the results are shown in In table 1.In addition, in table 1, the shape of base portion is denoted as " positive cylinder ", the configuration of elastomeric element is denoted as to be " whole Face ".

(comparative example 6)

In addition to making the identical toothbrush of toothbrush 750 with Figure 12 A and Figure 12 B, remaining make it is same as Example 1 and Obtain toothbrush.Toothbrush 750 changes the elastomeric element 610 of toothbrush 600 (Fig. 9 A and Fig. 9 B) into elastomeric element 710.

(evaluation method)

The people of examiner 10 is cleaned with the toothbrush counterpart intracavitary of each example, with following metewand to neck portion now with The cleaning effect of the flank of tooth is evaluated.Average mark by the people of examiner 10 is more than 4.0 points and is set to " A ", is 3.0 by average mark More than, " B " is divided into less than 4.0, by average mark be more than 2.0 points, " C " be divided into less than 3.0, average mark is less than 2.0 It is divided into " D ".

《Metewand》

5 points：There is very much the sensation that the dirt of neck portion and the flank of tooth drops；

4 points：The sensation that the dirt for having stronger neck portion and the flank of tooth drops；

3 points：The sensation that the dirt for having neck portion and the flank of tooth drops；

2 points：Less there is the sensation that the dirt of neck portion and the flank of tooth drops；

1 point：There is no the sensation that the dirt of neck portion and the flank of tooth drops.

The people of examiner 10 cleaned with the toothbrush counterpart intracavitary of each example, with following metewand to now to gum Contact sense is evaluated.Average mark by the people of examiner 10 is more than 4.0 points and is set to " A ", is more than 3.0 by average mark, small " B " is divided into 4.0, by average mark is more than 2.0 points, " C " is divided into less than 3.0, average mark is less than into 2.0 is divided into “D”。

《Metewand》

5 points：Pain without gum, contact sense is very good；

4 points：Pain without gum, contact sense is fine；

3 points：Pain without gum, contact is felt；

2 points：Gum feels weaker pain；

1 point：Gum feels stronger pain.

The people of examiner 10 cleaned with the toothbrush counterpart intracavitary of each example, with following metewand to now to gum Massage feeling is evaluated.Average mark by the people of examiner 10 is more than 4.0 points and is set to " A ", is more than 3.0 by average mark, small " B " is divided into 4.0, by average mark is more than 2.0 points, " C " is divided into less than 3.0, average mark is less than into 2.0 is divided into “D”。

《Metewand》

5 points：There is very much massage feeling；

4 points：There is stronger massage feeling；

3 points：There is massage feeling；

2 points：Less there is massage feeling；

1 point：There is no massage feeling.

The result of cleaning effect, contact sense and massage effect is classified with following metewand.

《Metewand》

A：Whole evaluation results is " A " or " B ", and " A " has more than 2；

B：Whole evaluation results is " A " or " B ", and " A " has less than 1；

C：Whole evaluation results is " A "~" C ", and " C " has more than 1；

D：Any one in evaluation result is all " D ".

As shown in table 1, embodiments of the invention are applied, its overall merit is " B " or " A ".

Wherein, as the embodiment 2 with toothbrush 100 (Fig. 2A and Fig. 2 B) same size, its cleaning effect and massage effect Both is " A ".

On the other hand, the comparative example 1~3 of the non-branch of base portion, although being formed with jut, overall merit be " C " or “D”.Using the comparative example 4~6 for the elastomeric element for being formed without jut, its overall merit is " C " or " D ".

In terms of these results, by the application present invention, so that judge effectively massage gum, it is clear without damaging Clean effect.

Practicality in industry

Using the toothbrush of the present invention, gum can effectively be massaged due to cleaning effect will not be damaged, therefore in industry On be highly useful.

Claims

1. a kind of toothbrush, being planted on the plant hair side on head has the pieces of multiple bristle bandings, it is characterised in that

The flexible part in head, the elastomeric element has：It is provided projectingly base portion and shape on the plant hair side Into multiple juts on the protrusion end face of the base portion, when cleaning oral cavity, the jut is abutted with gum,

The jag surface side branch of the base portion,

The jut has the Breadth Maximum in the section parallel with the prominent end face with the jag towards the jut And the shape reduced,

The elastomeric element clips the pieces and set on the width on the head,

The elastomeric element respectively sets more than 2 in the width both sides on the head, and the quantity of the elastomeric element amounts to For 4-14,

2. toothbrush as claimed in claim 1, it is characterised in that the height planted on hair side of the elastomeric element, less than described The maximum for planting the height on hair side of pieces.