CN216933572U

CN216933572U - Electric toothbrush head and electric toothbrush

Info

Publication number: CN216933572U
Application number: CN202122411239.6U
Authority: CN
Inventors: 王兴; 刘仕华
Original assignee: Guangzhou Stars Pulse Co Ltd
Current assignee: Guangzhou Stars Pulse Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-07-12
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses an electric toothbrush head and an electric toothbrush, and relates to the technical field of electric toothbrush heads. The electric toothbrush head comprises bristles, connecting soft rubber and a brush rod. The brush rod comprises a first connecting section and a second connecting section which are connected with each other, one end of the second connecting section, which is far away from the first connecting section, is connected with a brush handle of the electric toothbrush, and the first connecting section is an elastic connecting section; the connecting soft rubber is connected with the first connecting section, and the elastic deformation force of the connecting soft rubber is smaller than that of the first connecting section; many brush hairs form the brush hair and restraint, and a plurality of brush hairs are restrainted the interval and are connected in connecting the flexible glue, and first linkage segment transmits the vibration of electric toothbrush's brush holder to connecting the flexible glue, and the brush hair is restrainted and is removed through the relative first linkage segment of deformation of connecting the flexible glue, and the relative position between a plurality of brush hairs can change through the deformation of connecting the flexible glue. This electric toothbrush head and electric toothbrush all have vibration amplification effect and comparatively soft scraping effect, and electric toothbrush head's cleaning nature and use travelling comfort are promoted.

Description

Electric toothbrush head and electric toothbrush

Technical Field

The utility model relates to the technical field of oral cleaning, in particular to an electric toothbrush head and an electric toothbrush.

Background

The electric toothbrush is convenient and labor-saving to use, and has good cleaning force, so the electric toothbrush is popular with a plurality of users. Electric toothbrush's the first vibration of drive brush through to the realization is to the cleanness of tooth, but has the vibration amplitude and lead to the poor problem of clean dynamics inadequately, promotes clean dynamics through setting up the motor that has bigger rotational speed/frequency among the correlation technique, but when motor vibration speed/frequency was too big in the tooth is clean, electric toothbrush is great to tooth scraping dynamics, can't realize the equilibrium of cleaning nature and use travelling comfort.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric toothbrush head which has good cleaning performance and use comfort.

Another object of the present invention is to provide an electric toothbrush which also has both good cleaning performance and comfort in use.

The utility model provides a technical scheme that:

in a first aspect, embodiments of the present invention provide an electric toothbrush head comprising: the toothbrush comprises a brush rod, a handle and a handle, wherein the brush rod comprises a first connecting section and a second connecting section which are connected with each other; the connecting soft rubber is connected with the first connecting section, and the elastic deformation force of the connecting soft rubber is smaller than that of the first connecting section; and the brush hair, many the brush hair forms the brush hair and restraints, and is a plurality of the brush hair is restrainted the interval and is connected connect the flexible glue, first linkage segment will the vibration transmission of electric toothbrush's brush holder extremely connect the flexible glue, the brush hair restraint can pass through the deformation of connecting the flexible glue is relative first linkage segment removes, and is a plurality of relative position between the brush hair restraint can pass through the deformation of connecting the flexible glue and change.

With the combination of the first aspect, in a first implementation manner of the first aspect, the electric toothbrush head further comprises a fixing ring, one end of the bristle bundle is arranged in the fixing ring, the fixing ring is connected with the connecting soft glue so as to connect the connecting soft glue and the bristles, and a space is arranged between the adjacent fixing rings.

With reference to the first aspect and the foregoing implementation manner, in a second implementation manner of the first aspect, one end of the fixing ring is provided with a bristle-implanting opening, the bristles are inserted into the fixing ring through the bristle-implanting opening, and the bristle-implanting opening is located outside the connecting soft rubber.

With reference to the first aspect and the foregoing implementation manner, in a third implementation manner of the first aspect, one end of the fixing ring has a bristle planting opening, the bristles are inserted into the fixing ring through the bristle planting opening, and one end of the fixing ring, which is far away from the bristle planting opening, is closed.

With reference to the first aspect and the foregoing implementation manner, in a fourth implementation manner of the first aspect, one end of the fixing ring protrudes from the surface of the connecting soft glue.

With reference to the first aspect and the foregoing implementation manner, in a fifth implementation manner of the first aspect, the first connection section and the second connection section are integrally formed, a cross-sectional area of the first connection section is smaller than a cross-sectional area of the second connection section, and the cross-sectional area is a cross-sectional area cut perpendicular to an extending direction of the brush rod.

With reference to the first aspect and the foregoing implementation manner, in a sixth implementation manner of the first aspect, a size of the first connection section in a thickness direction is smaller than a size of the second connection section in the thickness direction, a size of the first connection section in a width direction is smaller than a size of the second connection section in the width direction, the width direction is perpendicular to an extending direction of the brush rod, and the thickness direction is perpendicular to the width direction and the extending direction of the brush rod.

With reference to the first aspect and the foregoing implementation manner, in a seventh implementation manner of the first aspect, two opposite surfaces of the connection soft rubber are a first connection surface and a second connection surface, respectively, the bristles extend from the second connection surface, the first connection section is connected to the connection soft rubber, and the first connection section is connected to the first connection surface, or exposed from the first connection surface, or located between the first connection surface and the second connection surface.

With reference to the first aspect and the foregoing implementation manner, in an eighth implementation manner of the first aspect, the first connection section is embedded into the connection soft glue and connected with the connection soft glue, a length of the first connection section extending into the connection soft glue exceeds 50% of a length of the connection soft glue, and the length direction is consistent with the extending direction of the brush rod.

With reference to the first aspect and the foregoing implementation manner, in a ninth implementation manner of the first aspect, the first connection surface is provided with a first connection groove, and the first connection section is located in the first connection groove and connected to an inner wall of the first connection groove.

With reference to the first aspect and the foregoing implementation manner, in a tenth implementation manner of the first aspect, a bristle mounting hole is formed on the second connection surface, and the first connection groove and the bristle mounting hole do not overlap in a depth direction.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in an eleventh implementation manner of the first aspect, the first connection section extends along a first direction; the two ends of the first connecting groove extend along the first direction and the direction opposite to the first direction respectively and penetrate through the connecting soft glue.

With reference to the first aspect and the foregoing implementation manner, in a twelfth implementation manner of the first aspect, one end of the second connection section, which is close to the first connection section, is a connection end face, and the first connection section and the connection soft glue are both connected to the connection end face.

With reference to the first aspect and the foregoing implementation manner, in a thirteenth implementation manner of the first aspect, an area of the connection end surface connected to the connection flexible glue is larger than a cross-sectional area of the first connection section.

In a second aspect, the utility model also provides an electric toothbrush comprising a handle and the electric toothbrush head.

Compared with the prior art, the electric toothbrush head provided by the embodiment of the utility model has the beneficial effects that:

the brush hair is connected on the first linkage segment of brush-holder stud through connecting the flexible glue for the brush hair can have certain degree of freedom for the swing of brush-holder stud, and it is more convenient to use. And, the elastic deformation power of first linkage segment is greater than the elastic deformation power of connecting the flexible glue, so, when using electric toothbrush head to brush teeth, electric toothbrush head's vibration has vibration amplification effect, is favorable to promoting clean effect, and the brush hair is connected on connecting the flexible glue, and the brush hair has comparatively soft scraping effect when brushing teeth for electric toothbrush head's cleaning nature and use travelling comfort obtain promoting.

The advantages of the electric toothbrush provided by the embodiment of the utility model relative to the prior art are the same as the advantages of the electric toothbrush head relative to the prior art, and the details are not repeated.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. It is obvious to a person skilled in the art that other relevant figures can also be derived from these figures without inventive effort.

Fig. 1 is a schematic structural view of an electric toothbrush head applied to an electric toothbrush according to an embodiment of the present invention.

Fig. 2 is a perspective view of a powered toothbrush head according to an embodiment of the present invention.

Fig. 3 is an exploded view of a powered toothbrush head according to an embodiment of the present invention from a single perspective.

Figure 4 is an exploded view of the powered toothbrush head of the present invention from another perspective.

Figure 5 is a schematic view of a powered toothbrush head according to an embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of the structure at a-a in fig. 5.

Icon: 100-an electric toothbrush; 20-brush handle; 10-an electric toothbrush head; 11-bristles; 111-bristle tufts; 12-connecting soft rubber; 121-a first connection face; 1211 — a first connecting groove; 122-a second connection face; 13-a brush bar; 131-a first connection section; 132-a second connection segment; 133-a connecting end face; 15-a fixing ring; 151-opening the implanted hair; b-first direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like, refer to an orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one of ordinary skill in the art, and are used merely to facilitate the description and simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural view of a power toothbrush head 10 applied to a power toothbrush 100 according to an embodiment of the present invention.

The embodiment of the present invention provides an electric toothbrush head 10, and the electric toothbrush head 10 has good cleaning performance and use comfort. The electric toothbrush head 10 can be applied to various kinds of electric toothbrushes 100, etc., and of course, the electric toothbrush head 10 can be independently used. In other alternative embodiments, the powered toothbrush head 10 can also be used with conventional unpowered toothbrushes.

The electric toothbrush 100 is a powered electric toothbrush, when the electric toothbrush head 10 is applied to the electric toothbrush 100, the electric toothbrush head 10 can be connected to the handle 20 of the electric toothbrush 100 to drive the electric toothbrush head 10 to vibrate through the handle 20, and the electric toothbrush 100 has good cleaning performance and use comfort due to the adoption of the electric toothbrush head 10 provided by the embodiment of the utility model in the electric toothbrush 100. In addition, when the power toothbrush head 10 is applied to a power toothbrush, the power toothbrush head 10 may be connected to an end of a handle 20 of the power toothbrush so that a user can move the power toothbrush head 10 by holding the handle 20, thereby accomplishing a tooth brushing action.

The structure, the operation and the advantageous effects of the electric toothbrush head 10 according to the embodiment of the present invention will be described in detail.

Referring to fig. 2, 3 and 4, fig. 2 is a perspective view of a powered toothbrush head 10 according to an embodiment of the present invention. Fig. 3 is an exploded perspective view of the powered toothbrush head 10 of an embodiment of the present invention from a perspective of view. Figure 4 is an exploded view of the powered toothbrush head 10 of the present invention from another perspective.

In the figure, the direction indicated by the arrow corresponding to B is the first direction B.

This electronic toothbrush head 10 includes brush hair 11, connects flexible glue 12 and brush-holder stud 13, and the one end of brush-holder stud 13 is connected with being connected flexible glue 12, and the other end is used for being connected with electric toothbrush 100's brush holder 20, and brush-holder stud 13 can transmit the vibration of brush holder 20 to being connected flexible glue 12. The one end of brush hair 11 with be connected flexible glue 12 and be connected, so, brush hair 11 is connected on brush-holder stud 13 through connecting flexible glue 12, connects flexible glue 12 and has certain elasticity for brush hair 11 can have certain degree of freedom for the swing of brush-holder stud 13, and brush hair 11 is more soft to the scraping of tooth, uses the travelling comfort in order to promote. The vibration of the brush holder 20 can be transmitted to the brush hair 11 through the brush rod 13 and the connecting soft rubber 12, so that the brush hair 11 can be ensured to have a better cleaning effect on the oral cavity.

Referring to fig. 3, 4 and 6, the brush rod 13 includes a first connection section 131 and a second connection section 132 connected to each other, wherein one end of the second connection section 132 away from the first connection section 131 is used for being connected to the brush handle 20 of the electric toothbrush 100, the first connection section 131 is an elastic connection section, the connection soft rubber 12 is connected to the first connection section 131, and the elastic deformation force of the connection soft rubber 12 is smaller than that of the first connection section 131, and thus, the connection soft rubber 12 is more easily elastically deformed than the first connection section 131, so that the bristles 11 are easier to swing relative to the first connection section 131, and the swing range is also larger, thereby making the contact between the bristles 11 and the teeth softer, and the freedom of movement of the bristles 11 is also larger, which is beneficial to improving the cleaning effect.

Further, a plurality of bristles 11 form bristle bundle 111, and a plurality of bristle bundle 111 are connected on connecting soft glue 12 at intervals, in other words, there is an interval between adjacent bristle bundle 111, and this interval provides an avoiding space for the bending of adjacent bristle bundle 111, makes things convenient for bristle bundle 111 to warp according to the oral cavity shape to make bristle bundle 111 better laminate teeth etc. also conveniently clear up the food residue between the adjacent bristle bundle 111 simultaneously. First linkage segment 131 transmits the vibration of brush holder 20 of electric toothbrush 100 to connecting soft glue 12, and then connects soft glue 12 and drive the vibration of brush hair bundle 111, that is to say, first linkage segment 131 can transmit the vibration of brush holder 20 to connecting soft glue 12, connects soft glue 12 and can transmit the vibration of first linkage segment 131 to brush hair bundle 111. In addition, the bristle bundle 111 can move relative to the first connection section 131 through the deformation of the connection soft rubber 12, so that the connection soft rubber 12 can also deform due to the deformability of the connection soft rubber 12 when the electric toothbrush head 10 is used for brushing teeth, even if the position of the first connection section 131 is fixed, the position of the bristle bundle 111 can also move, so that the bristles 11 can be better attached to the teeth, and effective scraping is formed on the teeth. Relative position between a plurality of bristle bundle 111 can change through the deformation of connecting flexible glue 12 to make a plurality of bristle bundle 111 can come into contact with the tooth from many angles, and can form soft scraping to the tooth, and in order comprehensive, all-round clean oral cavity, promote clean effect, and because connect flexible glue 12 and can take place elastic deformation, consequently bristle bundle 111 is comparatively soft to the scraping dynamics of tooth, is favorable to promoting and uses the travelling comfort. In addition, through the deformation of connecting flexible glue 12 for the vibration amplitude of a plurality of brush hair bundles 111 is big than the vibration amplitude of brush-holder stud 13, is favorable to shaking off the food waste on the tooth, promotes clean effect.

It should be noted that the flexible connection glue 12 is flexible soft glue such as silica gel, rubber, etc., and the specific material thereof is not limited in this embodiment. In addition, the brush bristles 11 and the brush rod 13 are placed into a mold together, soft glue is injected between the brush rod 13 and the brush bristles 11 to form the soft connecting glue 12, and the brush rod 13 and the brush bristles 11 are connected through the soft connecting glue 12.

In addition, because the first connecting section 131 and the soft connecting glue 12 have certain elasticity, the electric toothbrush head 10 of the embodiment of the utility model can realize the bending forms of front bending, back bending, side bending and the like, thereby ensuring that the bristles 11 can contact the teeth from multiple angles during tooth brushing so as to improve the cleaning effect.

With continuing reference to figures 3 and 4, and with further reference to figures 5 and 6, figure 5 is a schematic view of the construction of a powered toothbrush head 10 according to an embodiment of the present invention. Fig. 6 is a schematic sectional view of the structure at a-a in fig. 5.

In this embodiment, electric toothbrush head 10 still can include solid fixed ring 15, the one end of brush hair bundle 111 sets up in solid fixed ring 15, gu fixed ring 15 is connected in connecting flexible glue 12, thereby connect and connect flexible glue 12 and brush hair 11, the interval has between the adjacent solid fixed ring 15, this interval provides the space of dodging for the bending of adjacent brush hair bundle 111, make things convenient for brush hair bundle 111 to warp according to the oral cavity shape, thereby make brush hair bundle 111 laminate tooth etc. better, also conveniently clear up the food waste between the adjacent brush hair bundle 111 simultaneously.

Specifically, one end of the brush hair 11 is disposed in the fixing ring 15 to form the brush hair bundle 111, the brush hair 11 fixed to the fixing ring 15 and the brush rod 13 are placed in the mold together, a soft glue is injected between the brush rod 13 and the brush hair 11 to form the connection soft glue 12, the brush hair 11 and the connection soft glue 12 are connected through the fixing ring 15, and thus the brush hair 11 is held in the fixing ring 15 through the fixing ring 15, and the shape of the brush hair bundle 111 is maintained. In other embodiments, a fixing hole for placing the bristle 11 may be formed on the brush rod 13, and soft glue is injected between the brush rod 13 and the bristle 11 to form the soft connecting glue 12.

It should be noted that, in this embodiment, the number of the fixing rings 15 is plural, the fixing rings 15 are distributed on the connecting soft glue 12, and the plural bristle bundles 111 correspond to the fixing rings 15 one to one.

In addition, the manufacturing process of the power toothbrush head 10 may be: the injection molding is carried out to form a plurality of fixing rings 15, and the fixing rings 15 can be connected through connecting ribs formed along with the injection molding; then placing the plurality of mutually connected fixing rings 15 into a bristle-implanting die-cutting fixture, implanting the bristles 11 into the plurality of fixing rings 15, and removing the connecting ribs by die-cutting; then the fixing ring 15 implanted with the bristles is placed in a mould, and the brush rod 13 is placed; and soft glue is injected between the brush rod 13 and the fixing ring 15 to form a connecting soft glue 12 connecting the fixing ring 15 and the brush rod 13, thereby obtaining the electric toothbrush head 10 with the bristles 11 having a certain degree of freedom.

In other embodiments, the manufacturing process of the powered toothbrush head 10 may be: a plurality of fixing rings 15 which are separated from each other are formed by injection molding, then the fixing rings 15 are placed in a clamp for bristle implanting punching, and then the bristles 11 are implanted into the fixing rings 15; then the fixing ring 15 implanted with the bristles is placed in a mould, and the brush rod 13 is placed in the mould; and soft glue is injected between the brush rod 13 and the fixing ring 15 to form a connecting soft glue 12 connecting the fixing ring 15 and the brush rod 13, thereby obtaining the electric toothbrush head 10 with the bristles 11 having a certain degree of freedom.

Further, one end of the fixing ring 15 is provided with a bristle planting opening 151, the bristles 11 can be inserted into the fixing ring 15 through the bristle planting opening 151, the bristle planting opening 151 is located outside the connecting soft glue 12, in other words, the fixing ring 15 is partially located in the connecting soft glue 12, and partially located outside the connecting soft glue 12, and the bristles 11 are located in the bristle planting opening 151, so that the fixing ring 15 is used for separating the connecting soft glue 12 and the bristles 11, the influence of the process of forming the connecting soft glue 12 through injection molding on the bristles 11 is reduced, and the shape of the bristle bundle 111 formed by the bristles 11 is kept.

One end of the fixing ring 15 protrudes from the surface of the connecting soft glue 12. As shown in fig. 2-3, the end (i.e. the outer end) of the fixing ring 15 having the bristle-implanting opening 151 protrudes from the surface of the soft connection glue 12, so that the soft connection glue 12 and the bristles 11 at the outer end of the fixing ring 15 can be separated, and the adverse effect on the bristles 11 in the process of forming the soft connection glue 12 by injection molding can be further reduced.

In some embodiments, one end of the fixing ring 15 may have a bristle implanting opening 151, the bristles 11 may be inserted into the fixing ring 15 through the bristle implanting opening 151, and one end of the fixing ring 15 away from the bristle implanting opening 151 is disposed in a closed manner, in other words, one end of the fixing ring 15 located in the connecting soft glue 12 is disposed in a closed manner, so as to further keep the bristles 11 in the fixing ring 15, and further reduce the influence of the process of forming the connecting soft glue 12 by injection molding on the bristles 11.

With reference to fig. 3, 4 and 6, the first connecting section 131 and the second connecting section 132 are integrally formed, and the cross-sectional area of the first connecting section 131 is smaller than that of the second connecting section 132, so that when the brush handle 20 drives the brush rod 13 to vibrate, the deformation amplitude of the first connecting section 131 is larger than that of the second connecting section 132, and the influence of the first connecting section 131 on the deformation of the soft connection rubber 12 is smaller, so that the soft connection rubber 12 can deform more than the second connecting section 132, thereby ensuring that the bristles 11 can scrape teeth more softly. Wherein the cross-section is a section cut perpendicular to the extending direction of the brush bar 13 (i.e., the first direction B).

The size of the first connecting section 131 in the thickness direction is smaller than that of the second connecting section 132 in the thickness direction, and the size of the first connecting section 131 in the width direction is smaller than that of the second connecting section 132 in the width direction, so that the first connecting section 131 has better deformation performance to reduce the influence on the deformation of the soft connecting glue 12. The width direction is perpendicular to the extending direction of the brush bar 13 (i.e., the first direction B), and the thickness direction is perpendicular to the width direction and the extending direction of the brush bar 13.

Two surfaces of the flexible connecting glue 12, which are opposite to each other, are a first connecting surface 121 and a second connecting surface 122 respectively, the bristles 11 extend out of the second connecting surface 122, and the first connecting section 131 is connected to the flexible connecting glue 12.

In some embodiments, the first connection segment 131 is connected to the first connection face 121. Like this, first linkage segment 131 and brush hair 11 are connected respectively on connecting two faces of carrying on the back mutually on the flexible glue 12 for brush hair 11 and the flexible glue 12 of being connected between the first linkage segment 131 are thicker, thereby have improved brush hair 11 and can be for first linkage segment 131 wobbling range because of mild connection flexible glue 12, further improve the convenient degree that electric toothbrush head 10 used.

In other embodiments, the first connecting section 131 is exposed from the first connecting surface 121, so that the soft connecting glue 12 between the bristles 11 and the first connecting section 131 is thicker, which is beneficial to increasing the swinging amplitude of the bristles 11 relative to the first connecting section 131 due to the soft connecting glue 12.

In other embodiments, the first connection section 131 is located between the first connection surface 121 and the second connection surface 122, so as to ensure that the first connection section 131 can extend into the interior of the connection soft rubber 12, so that the connection between the first connection section 131 and the connection soft rubber 12 is firmer, the service life of the electric toothbrush head 10 is prolonged, and the vibration of the brush rod 13 can be effectively transmitted to the connection soft rubber 12.

In the embodiment shown in fig. 1 to 5, the first connecting section 131 is embedded in the soft connecting glue 12 and connected to the soft connecting glue 12, and the length of the first connecting section 131 extending into the soft connecting glue 12 exceeds 50% of the length of the soft connecting glue 12, and the length direction is the same as the extending direction (i.e. the first direction B) of the brush rod 13. Therefore, the first connecting section 131 has a good connecting effect with the connecting soft rubber 12, and can effectively transmit the vibration of the brush rod 13 to the connecting soft rubber 12.

Further, a first connection groove 1211 may be formed on the first connection surface 121, the first connection section 131 is located in the first connection groove 1211 and connected to an inner wall of the first connection groove 1211, in other words, the connection soft rubber 12 wraps part of the first connection section 131, so as to improve stability of the connection of the first connection section 131 to the connection soft rubber 12, and a projection area of the first connection section 131 on the first connection surface 121 is smaller than an area of the first connection surface 121, or a cross-sectional area of the first connection section 131 is smaller, as shown in fig. 6, the connection soft rubber 12 on upper and lower sides of the first connection section 131 is easily deformed, so as to increase a swing range of the bristles 11 on the connection soft rubber 12 around the first connection section 131, and further improve convenience of the electric toothbrush head 10.

Referring to fig. 3, the second connection surface 122 is formed with bristle mounting holes, and the first connection grooves 1211 are not overlapped with the bristle mounting holes in a depth direction. The bristle mounting holes are spaced apart, and one end of the fixing ring 15 is adapted to be disposed in the bristle mounting holes to ensure that the fixing ring 15 is correctly positioned, and thus the bristle bundle 111 is correctly positioned.

It should be noted that, in this embodiment, the first connecting section 131 extends along the first direction B, and two ends of the first connecting slot 1211 extend along the first direction B and the direction opposite to the first direction B, respectively, and penetrate through the connecting soft glue 12, so that the first connecting section 131 transmits torque to the connecting soft glue 12 to drive the bristles 11 on the connecting soft glue 12 to move. Of course, in other embodiments, the first connecting slot 1211 may not penetrate through the flexible glue 12, so that the end of the first connecting section 131 is connected to the side wall of the first connecting slot 1211, thereby reducing the possibility of the end of the first connecting section 131 damaging the oral cavity and improving the user experience.

In addition, in other embodiments, the first connecting section 131 may also be completely wrapped by the connecting soft glue 12 and located in the connecting soft glue 12, so as to further reduce the probability that the first connecting section 131 damages the oral cavity, and improve the use experience of the user.

Further, one end of the second connecting section 132 close to the first connecting section 131 is a connecting end surface 133, and both the first connecting section 131 and the connecting soft glue 12 are connected to the connecting end surface 133. In other words, the end surface of the second connecting section 132 close to the first connecting section 131 is connected to the first connecting section 131, and the other end surface is connected to the connecting soft glue 12, so that the second connecting section 132 can transmit torque to the connecting soft glue 12 and the first connecting section 131 at the same time, and the bristles 11 on the connecting soft glue 12 can be driven to move.

In addition, in the embodiment, the connection area of the connection end surface 133 and the soft connection rubber 12 is larger than the cross-sectional area of the first connection section 131, so that the second connection section 132 transmits more torque to the soft connection rubber 12.

The working principle of the electric toothbrush head 10 provided by the embodiment of the utility model is as follows:

the electric toothbrush head 10 comprises bristles 11, a connecting soft rubber 12 and a brush rod 13, one end of the brush rod 13 is connected with the connecting soft rubber 12, the other end of the brush rod is used for being connected with a brush holder 20 of the electric toothbrush 100, and one end of the bristles 11 is connected with the connecting soft rubber 12. Therefore, the bristles 11 are connected to the brush rod 13 through the connecting soft rubber 12, so that the bristles 11 can swing relative to the brush rod 13, certain freedom degree is achieved, the bristles 11 can be better attached to teeth in the tooth brushing process, and the toothbrush is convenient to use. And, the elastic deformation power of connecting flexible glue 12 is less than the elastic deformation power of first linkage segment 131, so, when using electric toothbrush head 10 to brush teeth, it changes the swing of drive brush hair 11 to connect flexible glue 12, also make electric toothbrush head 10's vibration have vibration amplification effect, be favorable to promoting clean effect, and brush hair 11 connects on connecting flexible glue 12, brush hair 11 has comparatively soft scraping effect when brushing teeth, be favorable to further promoting electric toothbrush head 10 to the clean effect in oral cavity, and it is comparatively comfortable when using.

Referring to fig. 1, a powered toothbrush according to another embodiment of the utility model includes a handle 20 and the powered toothbrush head 10 of the previous embodiment. Since the electric toothbrush 100 employs the electric toothbrush head 10 according to the embodiment of the present invention, the electric toothbrush 100 has both good cleaning performance and comfort.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that the features in the above embodiments may be combined with each other, and the present invention may have various modifications and variations without conflict. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An electric toothbrush head, comprising:

the toothbrush handle comprises a brush rod (13), wherein the brush rod (13) comprises a first connecting section (131) and a second connecting section (132) which are connected with each other, one end, far away from the first connecting section (131), of the second connecting section (132) is used for being connected with a brush handle (20) of the electric toothbrush (100), and the first connecting section (131) is an elastic connecting section;

the connecting soft rubber (12), the connecting soft rubber (12) is connected with the first connecting section (131), and the elastic deformation force of the connecting soft rubber (12) is smaller than that of the first connecting section (131); and (c) a second step of,

brush hair (11), many brush hair (11) form brush hair bundle (111), and are a plurality of brush hair bundle (111) connects at interval connect on soft glue (12), first linkage segment (131) will the vibration transmission of brush holder (20) of electric toothbrush (100) extremely connect soft glue (12), brush hair bundle (111) can pass through the deformation of connecting soft glue (12) is relative first linkage segment (131) removes, and is a plurality of relative position between brush hair bundle (111) can pass through the deformation of connecting soft glue (12) and change.

2. The electric toothbrush head according to claim 1, characterized in that the electric toothbrush head (10) further comprises a fixing ring (15), one end of the bristle bundle (111) is arranged in the fixing ring (15), the fixing ring (15) is connected to the connecting soft glue (12) so as to connect the connecting soft glue (12) and the bristles (11), and a space is arranged between the adjacent fixing rings (15).

3. The electric toothbrush head according to claim 2, characterized in that one end of the fixing ring (15) is provided with a bristle planting opening (151), the bristles (11) are inserted into the fixing ring (15) through the bristle planting opening (151), and the bristle planting opening (151) is positioned outside the soft connecting glue (12).

4. The electric toothbrush head according to claim 2, characterized in that one end of the fixing ring (15) has a bristle planting opening (151), the bristles (11) are inserted into the fixing ring (15) through the bristle planting opening (151), and one end of the fixing ring (15) far away from the bristle planting opening (151) is closed.

5. The powered toothbrush head according to claim 3 characterised in that one end of the retaining ring (15) protrudes from the surface of the soft coupling gel (12).

6. An electrically powered toothbrush head according to claim 1 characterised in that the first link (131) is formed integrally with the second link (132), the first link (131) having a smaller cross-sectional area than the second link (132), the cross-section being a section cut perpendicular to the direction of extension of the brush bar (13).

7. An electrically powered toothbrush head according to claim 6 characterised in that the first link section (131) has a dimension in the thickness direction which is less than the dimension of the second link section (132) in the thickness direction, the first link section (131) has a dimension in the width direction which is less than the dimension of the second link section (132) in the width direction, the width direction being perpendicular to the direction of extension of the brush bar (13), and the thickness direction being perpendicular to the width direction and the direction of extension of the brush bar (13).

8. The electric toothbrush head according to any one of claims 1 to 7, characterized in that the two opposite surfaces of the flexible connecting glue (12) are a first connecting surface (121) and a second connecting surface (122), the bristles (11) extend from the second connecting surface (122), the first connecting section (131) is connected to the flexible connecting glue (12), and the first connecting section (131) is connected to the first connecting surface (121), or exposed from the first connecting surface (121), or located between the first connecting surface (121) and the second connecting surface (122).

9. The electric toothbrush head according to claim 8, characterized in that the first connecting section (131) is embedded in the soft connecting glue (12) and connected with the soft connecting glue (12), and the length of the first connecting section (131) extending into the soft connecting glue (12) exceeds 50% of the length of the soft connecting glue (12), and the length direction is consistent with the extending direction of the brush rod (13).

10. The powered toothbrush head according to claim 8, wherein the first engaging surface (121) defines a first engaging groove (1211), and the first engaging section (131) is located in the first engaging groove (1211) and engages an inner wall of the first engaging groove (1211).

11. The powered toothbrush head according to claim 10, characterised in that the second joint face (122) is formed with a bristle mounting hole, and the first joint groove (1211) is not overlapped with the bristle mounting hole in a depth direction.

12. An electrically powered toothbrush head according to claim 10 characterised in that the first link section (131) extends in a first direction (B); two ends of the first connecting groove (1211) extend along the first direction (B) and the direction opposite to the first direction (B) respectively and penetrate through the connecting soft glue (12).

13. The powered toothbrush head of claim 6 characterised in that the end of the second link (132) adjacent the first link (131) is a link end face (133), and the first link (131) and the flexible link (12) are both connected to the link end face (133).

14. The powered toothbrush head according to claim 13, characterised in that the connecting end face (133) is connected with the connecting soft glue (12) in an area larger than the cross-sectional area of the first connecting section (131).

15. An electric toothbrush comprising a handle (20) and an electric toothbrush head (10) according to any one of claims 1 to 14.