CN209091693U - Electric toothbrush head structure and electric toothbrush - Google Patents

Abstract

The utility model relates to a kind of electric toothbrush head structure and electric toothbrushes, belong to electric toothbrush technology field.Brush head connection button bit extends outward in one end of the separate bristle of brush head, and along the length direction of brush head；Fixed brush head coupling assembly includes brush head connector and brush head connector shell, brush head connector shell is between brush head assembly and Handleset, brush head connector casing is set to the outside of brush head connector, brush head connector is sheathed on the outside of brush head connection button and motor shaft, brush head connection button is bonded with motor shaft and is clamped with brush head connector, motor shaft and brush head connector are clamped, so that motor shaft, brush head connector and brush head connection spiral-lock are assigned in one, so that brush head connector closely connects brush head assembly and Handleset.The electric toothbrush head structure designs rationally, and when brushing pressure is excessive, flexible deformation can occur for brush head connection button, reduces gum caused by artificial excessive pressure and is damaged, protects the gum of user.

Description

Electric toothbrush head structure and electric toothbrush

Technical field

The utility model relates to electric toothbrush technology fields, in particular to a kind of electric toothbrush head structure and electricity Dynamic toothbrush.

Background technique

No matter consumer selects ordinary toothbrush or electric toothbrush, the brush head service life generally all in three months or so time, Especially electric toothbrush user, every three months replace entire brush head, this is also a high expense.

From the point of view of the Wear angle of tooth, sound vibration toothbrush, which is used for a long time, can preferably take good care of gum.But study number According to the increase also indicated that with strength of brushing teeth, the abrasion that tooth and gum are subject to be will increase.Electric toothbrush product has following at present Mode controls pressure protection gum.The displacement triggering electronic microswitch control output of force value overrate rear part；Force value It is excessive to lead to decelerating through motor or stalling；The excessive electronic induction control circuit control motor output of force value of brushing teeth；And each producer Different APP is made, connection bluetooth accomplishes the timely publication and prompt of data.Above scheme is all electronically to control, cost Height virtually also causes electric toothbrush to hold at high price, and market is universal slow.

Utility model content

The purpose of this utility model is that design is reasonable in view of the above-mentioned problems, providing a kind of electric toothbrush head structure, When brushing pressure is excessive, which can occur mechanical flexible deformation, reduce artificial excessive pressure and cause gum impaired, Improve the above problem.

Another of the utility model is designed to provide a kind of electric toothbrush, is capable of the gum of effective protection user, The usage experience of safety and comfort is provided for user.

The utility model is realized in this way:

The embodiments of the present invention provide a kind of electric toothbrush head structure, are applied to electric toothbrush, described electronic Toothbrush includes brush head assembly and Handleset, and the brush head assembly is removable by fixed brush head coupling assembly with the Handleset The connection unloaded, the brush head assembly include brush head and brush head connection button, and the brush head connection button bit is in the separate brush of the brush head One end of hair simultaneously extends along the length direction of the brush head, and the Handleset includes motor shaft, the fixed brush head connection group Part includes brush head connector and brush head connector shell, and the brush head connector shell is located at the brush head assembly and the handle Between component, the brush head connector casing is set to the outside of the brush head connector, the brush head connection button and the electricity Arbor is arranged in respectively in the brush head connector, brush head connection button bit in the brush head connector and the motor shaft it Between, the brush head connection deduction of points is not bonded with the brush head connector and the motor shaft, the separate institute of the brush head connection button The end and the brush head connector for stating brush head are clamped, the side of the motor shaft detained far from brush head connection and the brush Head connector clamping, so that the brush head assembly is closely connect by the brush head connector with the Handleset.

In the utility model optional embodiment, the inside of the brush head offers the first accommodating chamber open at one end, The open end of first accommodating chamber is located at one end of the separate bristle of the brush head, and the brush head connection button bit is in described first The open end of accommodating chamber, the part brush head connector are located in first accommodating chamber.

In the utility model optional embodiment, the end of the brush head offers holding tank, and the holding tank is located at The open end of first accommodating chamber, the brush head connection button is relative to the holding tank close to first accommodating chamber, part The brush head connector is located in the holding tank.

In the utility model optional embodiment, the brush head connector is the tube structure of taper, the brush head connection Fitting offers the second accommodating chamber, and the brush head connection button is located in second accommodating chamber with the motor shaft, the brush head The inner wall of connector is provided with card access surface, and one end far from the brush head of the brush head connection button is provided with and the card access surface First fixture block of cooperation, first fixture block and the card access surface are clamped.

In the utility model optional embodiment, one end close to the brush head of the brush head connector offers confession Brush head connection button across notch, the notch is connected to second accommodating chamber, the opening position of second accommodating chamber In the brush head connector close to one end of the Handleset, the motor shaft be arranged in second accommodating chamber and with The inner wall of the brush head connector is tightly connected.

In the utility model optional embodiment, the circumferential direction of the motor shaft open up it is fluted, the groove be V-shaped Structure, the brush head connector are provided with clamping portion, the clamping portion and the groove cooperate so that the brush head connector with The motor shaft clamping.

In the utility model optional embodiment, the circumferential direction of the brush head connector offers U-shaped slot, the clamping Portion is located in the U-shaped slot, and one end close to second accommodating chamber of the clamping portion is provided with to be cooperated with the groove The second fixture block, second fixture block is located in the groove.

In the utility model optional embodiment, the end of the one end of the brush head connector being connect with the brush head It is provided with brush head positioning surface, the brush head positioning surface and diametrically setting of the U-shaped slot in the brush head connector, institute Brush head positioning surface is stated to be bonded with the inner surface of the brush head.

In the utility model optional embodiment, the inner wall of the brush head connector shell is provided with the first buckling parts, First buckling parts is located at one end close to the Handleset of second accommodating chamber, the appearance of the brush head connector Face is provided with the second buckling parts corresponding with first buckling parts, and second buckling parts and first buckling parts sealing connect It connects.

The embodiments of the present invention additionally provide a kind of electric toothbrush, including above-mentioned electric toothbrush head structure.

Compared with prior art, the utility model has the following beneficial effects:

The electric toothbrush head structure, rationally, when brushing pressure is excessive, which can occur mechanical elasticity for design Deformation reduces artificial excessive pressure and causes gum impaired.

The electric toothbrush, is capable of the gum of effective protection user, provides the usage experience of safety and comfort for user.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the schematic diagram of electric toothbrush head structure provided by the embodiment of the utility model；

Fig. 2 is the connection schematic diagram of brush head assembly and Handleset；

Fig. 3 is the structural schematic diagram of brush head assembly；

Fig. 4 is the structural schematic diagram of fixed brush head coupling assembly；

Fig. 5 is the structural schematic diagram of the brush head connector of Fig. 4；

Fig. 6 is the structural schematic diagram of the motor shaft of Handleset；

Fig. 7 is the structural schematic diagram of brush for electric toothbrush component.

Icon: 100- electric toothbrush head structure；200- electric toothbrush；1- brush head assembly；11- brush head；111- first holds Receive chamber；112- holding tank；12- brush head connection button；The first fixture block of 121-；13- bristle；2- Handleset；21- motor shaft；211- Groove；3- fixes brush head coupling assembly；31- brush head connector；The second accommodating chamber of 311-；312- card access surface；313- notch；314- Clamping portion；The second fixture block of 315-；316-U font groove；317- brush head positioning surface；The second buckling parts of 318-；Outside 32- brush head connector Shell；The first buckling parts of 321-；4- displacement sensor；5- battery.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

First embodiment

Fig. 1 is please referred to, the present embodiment provides a kind of electric toothbrush head structures 100, are applied to electric toothbrush, electric toothbrush Including brush head assembly 1 and Handleset 2, brush head assembly 1 passes through fixed brush head coupling assembly 3 with Handleset 2 and removably connects It connects.

In the present embodiment, brush head assembly 1 includes brush head 11 and brush head connection button 12, and brush head connection button 12 is located at brush head 11 Separate bristle 13 one end, and extend outward along the length direction of brush head 11；Handleset 2 includes motor shaft 21, fixed Brush head coupling assembly 3 includes brush head connector 31 and brush head connector shell 32, and brush head connector shell 32 is located at brush head assembly 1 Between Handleset 2, brush head connector shell 32 is sheathed on the outside of brush head connector 31, and brush head connector 31 is sheathed on brush The outside of head connection button 12 and motor shaft 21, brush head connection button 12 are bonded with motor shaft 21 and are clamped with brush head connector 31, electricity Arbor 21 and brush head connector 31 are clamped, so that motor shaft 21, brush head connector 31 and brush head connection button 12 are assemblied in one Body, so that brush head connector 31 closely connects brush head assembly 1 and Handleset 2.Since brush head connection button 12 is along brush head 11 Length direction extends, and when 11 stress of brush head is larger, flexible deformation occurs for brush head connection button 12, acts on to slow down brush head 11 The power of gum reduces the damage of gum.The electric toothbrush head structure 100, rationally, when brushing pressure is excessive, brush head joins for design Flexible deformation can occur for buckle 12, reduce gum caused by artificial excessive pressure and be damaged, protect the gum of user.

Below the specific structure to all parts of the electric toothbrush head structure 100 and mutual positional relationship into Row is described in detail.

As depicted in figs. 1 and 2, brush head assembly 1 includes brush head 11 and brush head connection button 12, and brush head connection button 12 is located at brush head One end of 11 separate bristle 13 is simultaneously connect with brush head connection button 12；As shown in figure 3, the inside of brush head 11 offer it is open at one end The first accommodating chamber 111, the open end of the first accommodating chamber 111 is located at one end of the separate bristle 13 of brush head 11, holds convenient for first Chamber 111 of receiving is interior to place article.Brush head connection button 12 is located at the open end of the first accommodating chamber 111, and along the length direction of brush head 11 Extend towards one end of the separate bristle 13 of brush head 11.In order to guarantee the bonding strength of brush head connection button 12 with brush head 11, at this In embodiment, brush head connection button 12 is integrally formed with brush head 11, enables brush head connection button 12 that certain flexible deformation occurs.

In the present embodiment, brush head connection button 12 and motor shaft 21 are inserted in brush head connector 31, it is understood that are Brush head connector 31 be sheathed on brush head connection button 12 and motor shaft 21 outside, brush head connection button 12 respectively with brush head connector 31 With motor shaft 21 be bonded, brush head connection button 12 separate brush head 11 end and brush head connector 31 clamping, motor shaft 21 it is remote Side and brush head connector 31 from brush head connection button 12 are clamped, so that brush head connector 31 is by brush head assembly 1 and Handleset 2 Close connection.

In order to guarantee that the connective stability of brush head connector 31 Yu brush head assembly 1, part brush head connector 31 are located at first In accommodating chamber 111, increase the contact area that brush head connector 31 couples button 12 with brush head, convenient for improving brush head connector 31 and brush The bonding strength of head connection button 12.

As shown in Figure 4 and Figure 5, brush head connector 31 is the tube structure of taper, and brush head connector 31 offers the second appearance Receive chamber 311, brush head connection button 12 is located in the second accommodating chamber 311 with motor shaft 21.The inner wall of brush head connector 31 is provided with card Junction 312, card access surface 312 be inclined-plane, card access surface 312 relative to brush head connector 31 axis inclination and with brush head connector 31 Bus be obliquely installed, be equivalent to, brush head connector 31 inner wall formed ladder platform；The separate brush head 11 of brush head connection button 12 One end be provided with the first fixture block 121 cooperated with card access surface 312, the first fixture block 121 is clamped with card access surface 312, to limit Brush head connection button 12 is moved along the length direction of brush head 11.

One end of the close brush head 11 of brush head connector 31 offers the notch 313 passed through for brush head connection button 12, notch 313 are connected to the second accommodating chamber 311, and the opening of the second accommodating chamber 311 is located at the one of the close Handleset 2 of brush head connector 31 End；Motor shaft 21 pass through the second accommodating chamber 311 opening be arranged in the second accommodating chamber 311, and with brush head connector 31 Inner wall is tightly connected, and improves the waterproof effect of motor shaft 21.

As shown in fig. 6, the circumferential direction of motor shaft 21 opens up fluted 211, groove 211 is V-shaped structure, brush head connector 31 It is provided with clamping portion 314, clamping portion 314 and groove 211 cooperate so that brush head connector 31 and motor shaft 21 are clamped.Clamping portion 314 with the setting of groove 211, play the role of limiting brush head connector 31 and be moved along the length direction of motor shaft 21, convenient for protecting Demonstrate,prove the connective stability of brush head assembly 1 and Handleset 2.

The circumferential direction of brush head connector 31 offers U-shaped slot 316, and clamping portion 314 is located in U-shaped slot 316, clamping portion One end of 314 close Handleset 2 is provided with the second fixture block 315 cooperated with groove 211, and the second fixture block 315 is located at groove In 211.

The end of the one end of brush head connector 31 connecting with brush head 11 is provided with brush head positioning surface 317, brush head positioning surface 317 with U-shaped slot 316 in the diametrically setting of brush head connector 31, brush head positioning surface 317 protrudes into the first accommodating chamber 111, Brush head positioning surface 317 is bonded with the inner surface of brush head 11.The setting of brush head positioning surface 317, can guarantee brush head connector 31 with The connection of brush head 11 positions, so that brush head connector 31 couples 12 cooperation of button with brush head, meanwhile, guarantee that motor shaft 21 can be with brush Head connector 31 is clamped.

Further, the end of brush head 11 offers holding tank 112, and holding tank 112 is located at the opening of the first accommodating chamber 111 End, for brush head connection button 12 relative to holding tank 112 close to the first accommodating chamber 111, part brush head connector 31 is located at holding tank 112 It is interior.Specific embodiment is that brush head positioning surface 317 protrudes into the first accommodating chamber 111, and brush head connection button 12 is protruded into through notch 313 In second accommodating chamber 311, part brush head connector 31 is connected in holding tank 112, so that brush head connection button 12 and brush head 31 stable connection of connector.

In the present embodiment, the inner wall of brush head connector shell 32 is provided with the first buckling parts 321, the first buckling parts 321 Positioned at one end of the close Handleset 2 of the second accommodating chamber 311, the outer surface of brush head connector 31 is provided with and the first buckling parts 321 corresponding second buckling parts 318, the second buckling parts 318 and the first buckling parts 321 are tightly connected.First buckling parts 321 and The cooperation of two buckling parts 318 ensure that outside brush head connector convenient for the assembly of brush head connector 31 and brush head connector shell 32 The bonding strength and connective stability of shell 32 and brush head connector 31.

Brush head connector 31 is elastic component, and when mechanically deform occurs for brush head connection button 12, brush head connection button 12 squeezes brush Head connector 31, brush head connector 31 can slow down the active force of brush head connection button 12, follow 12 deformation of brush head connection button, thus Make brush head 11 that flexible deformation occur, slows down brush head 11 to the active force of user's gum.In the present embodiment, the first fixture block 121 Direction and bristle 13 towards identical, when squeezing bristle 13, first fixture block 121 is moved towards card access surface 312, holding first Fixture block 121 is bonded with card access surface 312, guarantees the connection of brush head connection button 12 with brush head connector 31.

The working principle of the utility model embodiment are as follows:

Brush head connector 31 and brush head connector shell 32 are assembled, the second buckling parts 318 and the first buckling parts 321 are detained It closes, brush head positioning surface 317 is protruded into the first accommodating chamber 111, meanwhile, guarantee that brush head connection button 12 protrudes into second through notch 313 In accommodating chamber 311, brush head connector 31 is connected in holding tank 112, completes the connection of brush head connector 31 and brush head assembly 1； Then motor shaft 21 is protruded into the second accommodating chamber 311 through the open end of the second accommodating chamber 311, until the second fixture block 315 with it is recessed Slot 211 is clamped, and completes the assembly of Handleset 2 and brush head assembly 1.When more changing brush head 11, firmly extracts brush head assembly 1 and fix Then brush head coupling assembly 3 removes brush head assembly 1, change the new brush head assembly 1 with bristle 13 and fixed brush head coupling assembly 3 are combined together, and after being inserted into handle, the 12 securely connection of motor shaft 21, brush head connector 31 and brush head connection button meets toothbrush Work requirements.

During brushing teeth, after 13 face of bristle is by certain pressure, due to brush head assembly 1 and fixed brush head coupling assembly 3 are connected by mechanical button bit face, and when pressure is excessive, brush head 11 can generate corresponding bending deformation, pass through the deformation of brush head 11 Reach protection purpose.The electric toothbrush head structure 100, design rationally, are deformed by brush head 11, slow down exertin and brush teeth to tooth The damage of gum provides the usage experience of safety and comfort for user.

Second embodiment

A kind of electric toothbrush 200 is present embodiments provided, the electric toothbrush head structure provided including first embodiment 100。

As shown in fig. 7, in the present embodiment, brush head 11 is internally provided with displacement sensor 4 and battery 5, displacement sensing Device 4 is electrically connected with battery 5, and battery 5 is the power supply of displacement sensor 4；The controller of displacement sensor 4 and Handleset 2 is (in figure not Mark) it is wirelessly connected, controller is electrically connected with motor.Close to 13 position of bristle, the brush head 11 after stress produces displacement sensor 4 Raw bending deformation makes, and displacement sensor 4 sends a signal to controller, and controller changes the operating current of motor, to reach guarantor Protect the purpose of gum.The electric toothbrush 200, using the bending deformation of brush head 11, design is reasonable, the tooth of effective protection user Gum.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be tied mutually It closes.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of electric toothbrush head structure, it is applied to electric toothbrush, the electric toothbrush includes brush head assembly and Handleset, It is removably connect it is characterized in that, the brush head assembly passes through fixed brush head coupling assembly with the Handleset, the brush Head assembly includes brush head and brush head connection button, and the brush head couples one end of separate bristle of the button bit in the brush head and along described The length direction of brush head extends, and the Handleset includes motor shaft, and the fixed brush head coupling assembly includes brush head connector And brush head connector shell, the brush head connector shell is between the brush head assembly and the Handleset, the brush Head connector casing is set to the outside of the brush head connector, and the brush head connection button is arranged in institute with the motor shaft respectively It states in brush head connector, the brush head connection button bit is between the brush head connector and the motor shaft, the brush head connection Deduction of points is not bonded with the brush head connector and the motor shaft, the end of the separate brush head of the brush head connection button and institute The clamping of brush head connector is stated, the side far from brush head connection button of the motor shaft is clamped with the brush head connector, with Connect the brush head connector brush head assembly closely with the Handleset.

2. electric toothbrush head structure according to claim 1, which is characterized in that the inside of the brush head offers one end First accommodating chamber of opening, the open end of first accommodating chamber is located at one end of the separate bristle of the brush head, the brush head Couple button bit in the open end of first accommodating chamber, the part brush head connector is located in first accommodating chamber.

3. electric toothbrush head structure according to claim 2, which is characterized in that the end of the brush head offers receiving Slot, the holding tank are located at the open end of first accommodating chamber, and the brush head connection button is relative to the holding tank close to institute The first accommodating chamber is stated, the part brush head connector is located in the holding tank.

4. electric toothbrush head structure according to claim 1, which is characterized in that the brush head connector is the cylinder of taper Body structure, the brush head connector offer the second accommodating chamber, and the brush head connection button is located at described second with the motor shaft In accommodating chamber, the inner wall of the brush head connector is provided with card access surface, one end far from the brush head of the brush head connection button It is provided with the first fixture block with card access surface cooperation, first fixture block and the card access surface are clamped.

5. electric toothbrush head structure according to claim 4, which is characterized in that the brush head connector close to described One end of brush head offer for the brush head connection button across notch, the notch is connected to second accommodating chamber, described The opening of second accommodating chamber is located at one end close to the Handleset of the brush head connector, and the motor shaft is arranged in institute It states in the second accommodating chamber and is tightly connected with the inner wall of the brush head connector.

6. electric toothbrush head structure according to claim 5, which is characterized in that the circumferential direction of the motor shaft offers recessed Slot, the groove are V-shaped structure, and the brush head connector is provided with clamping portion, the clamping portion and the groove cooperate with It is clamped the brush head connector and the motor shaft.

7. electric toothbrush head structure according to claim 6, which is characterized in that the circumferential direction of the brush head connector opens up There is U-shaped slot, in the U-shaped slot, one end close to the Handleset of the clamping portion is arranged the wedging position There is the second fixture block with groove cooperation, second fixture block is located in the groove.

8. electric toothbrush head structure according to claim 7, which is characterized in that the brush head connector with the brush The end of one end of head connection is provided with brush head positioning surface, and the brush head positioning surface couples with the U-shaped slot in the brush head The diametrically setting of part, the brush head positioning surface are bonded with the inner surface of the brush head.

9. electric toothbrush head structure according to claim 4, which is characterized in that the inner wall of the brush head connector shell It is provided with the first buckling parts, first buckling parts is located at one end close to the Handleset of second accommodating chamber, institute The outer surface for stating brush head connector is provided with the second buckling parts corresponding with first buckling parts, second buckling parts and institute State the sealed connection of the first buckling parts.

10. a kind of electric toothbrush, which is characterized in that including electric toothbrush head structure described in any one of claim 1-9.