CN211131480U - Toothbrush motor - Google Patents

Abstract

The utility model relates to a clean technical field of tooth specifically discloses a toothbrush motor, including the motor support, motor support one side is equipped with the toothbrush support, is equipped with motor element in the motor support, and the motor support is close to toothbrush support terminal surface and evenly opens and has a plurality of locating holes, and sliding connection has the fixed needle in the locating hole, and the fixed needle free end extends in outside and the hub connection connects in the toothbrush support. An object of the utility model is to provide a toothbrush motor to solve and be connected unstable technical problem between toothbrush motor and the toothbrush.

Description

Toothbrush motor

Technical Field

The utility model relates to a tooth cleaning technical field.

Background

The electric toothbrush is a toothbrush, the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, the high-frequency vibration can enable toothpaste to be decomposed into fine foam, so that teeth gaps can be cleaned conveniently, meanwhile, the vibration of the bristles can promote the blood circulation of an oral cavity, and the electric toothbrush has a massage effect on gum tissues.

Electric toothbrush adopts vibrating motor to drive usually among the prior art, and vibrating motor's structure generally is: comprises a shell, a stator and a rotor are arranged in the shell, a front cover and a rear cover are buckled at the front end and the rear end of the shell, and the front cover and the rear cover are respectively fixed in a mode of being in threaded connection with a toothbrush

Although the vibration motor in the scheme can realize the vibration effect, the installation operation steps are complex, the assembly of operators is inconvenient, and the loosening gap is easy to occur, so that the noise is generated between the vibration motor and the toothbrush support.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a toothbrush motor to solve and be connected unstable technical problem between toothbrush motor and the toothbrush.

In order to achieve the above object, the basic scheme of the utility model is: the utility model provides a toothbrush motor, includes the motor support, and motor support one side is equipped with the toothbrush support, is equipped with motor element in the motor support, and the motor support is close to toothbrush support terminal surface and evenly opens and has a plurality of locating holes, and sliding connection has fixed needle in the locating hole, and fixed needle free end extends in outside and insert and connect in the toothbrush support.

The working principle and the beneficial effects of the basic scheme are as follows: this technical scheme adopts fixed needle plug connection's mode to fix, and this technical scheme utilizes fixed needle to realize becoming a holistic technological effect with motor and toothbrush support fixed connection.

Compared with the prior art, the technical scheme has the advantages that the rear cover of the motor in the prior art is omitted, the motor is directly connected to the motor support, the motor structure is effectively simplified, the motor and the toothbrush support are combined into a whole, the motor and the toothbrush support are effectively matched tightly, and the technical problem that noise is caused at the joint of the motor and the toothbrush support due to looseness is effectively solved. In addition, the mode of adopting pin insertion in the technical scheme is convenient for a user to detach the whole structure, and the novel vibration-damping device has the beneficial effects of easiness in installation, small volume structure and high vibration frequency.

Further, the motor assembly comprises a stator and a rotor; the rotor is including the magnet mounting bracket that is equipped with magnet, magnet mounting bracket axial tip coaxial coupling has the pivot, the one end fixedly connected with flexure strip of pivot is kept away from to the magnet mounting bracket, the flexure strip keep away from magnet mounting bracket one end fixed connection in toothbrush support tip.

After the motor is electrified, the stator generates magnetic field force to act on the magnet of the magnet mounting frame of the rotor, and the magnet is acted by the magnetic field force to enable the magnet mounting frame to rotate. Because the tip fixedly connected with flexure strip of magnet mounting bracket, and the flexure strip other end is fixed on the toothbrush support, consequently receive the suppression of flexure strip at magnet mounting bracket pivoted process, the unable elasticity of overcoming the flexure strip completely, therefore can not take place the upset, can produce reciprocal swing, the swing produces the vibration, the vibration of magnet mounting bracket drives pivot synchronous oscillation, realizes the technological effect of toothbrush motor vibration at last.

Furthermore, a positioning block is fixedly connected to the toothbrush holder, a jack is formed in the positioning block, and one end, far away from the rotating shaft, of the elastic sheet is fixedly inserted into the jack.

This technical scheme is through addding the locating piece to the in-process at toothbrush holder is fixed a position in the flexure strip installation, reduces the fixed degree of difficulty of installation.

Furthermore, a positioning groove is formed in the end portion, close to the motor support, of the toothbrush support, and the positioning block is connected in the positioning groove in a sliding mode.

This technical scheme is through adopting constant head tank and locating piece sliding connection's mode to the integral erection or the dismantlement between motor support and the toothbrush support.

Furthermore, the positioning block is fixedly connected with the positioning groove through threads.

This technical scheme is through adopting threaded connection's mode to the stability of being connected between reinforcing locating piece and the constant head tank.

Furthermore, a front cover is arranged at one end, far away from the toothbrush support, of the motor support, a plurality of blind holes are formed in the end face, close to the motor support, of the front cover, the blind holes are the same as and coaxial with the inner diameter of the positioning holes, and one end, close to the front cover, of the fixing needle is inserted into the blind holes.

This technical scheme adopts the mode of addding the protecgulum at motor support tip, makes the protecgulum realize playing the effect of protection to the head of motor, avoids inside dust or foreign matter fall into motor support. In addition, the front cover, the motor support and the toothbrush support are connected into a whole by the fixing needle, so that the integrity of the whole device is improved, the problem of gaps among different parts is avoided, and the subsequent installation is facilitated.

Furthermore, a plurality of annular bulges are arranged on the outer wall of the fixing needle along the circumferential direction, and annular grooves matched with the annular bulges are formed in the blind holes.

This technical scheme is after the fixed needle inserts the blind hole completely, and the annular is protruding can effectively restrict the axial direction's of fixed needle displacement, plays further stable fixed effect.

Drawings

Fig. 1 is an exploded view of a toothbrush motor according to a first embodiment of the present invention;

fig. 2 is a top assembly view of a toothbrush motor according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a toothbrush motor according to a first embodiment of the present invention, in which a motor bracket is separated from a toothbrush bracket;

fig. 4 is a schematic structural view of a rotating shaft bracket according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a motor bracket according to a first embodiment of the present invention;

fig. 6 is a sectional view of the fixing pin according to the second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: motor support 1, spacing groove 101, first locating hole 102, silicon steel sheet 2, second locating hole 201, magnet mounting bracket 3, mounting groove 301, magnetic conduction piece 4, magnet piece 5, pivot 6, pivot support 601, bar groove 7, flexure strip 8, fixed orifices 801, protecgulum 9, pinhole 901, first blind hole 902, bearing 10, toothbrush support 11, second blind hole 1101, constant head tank 1102, locating piece 12, jack 1201, fixed needle 13, annular bulge 1301, coil 14, annular groove 15.

Embodiments are substantially as shown in figures 1 to 5 of the accompanying drawings: a toothbrush motor comprises a motor support 1, wherein two limiting grooves 101 are respectively formed in two opposite side walls of the motor support 1. The silicon steel sheet 2 is fixedly inserted on the motor support 1, the silicon steel sheet 2 is in a Jiong-shaped structure, and two support legs of the silicon steel sheet 2 are respectively buckled in the limit groove 101 of the motor support 1. The silicon steel sheet 2 is wound with a metal coil 14 on the structure at the middle part. Two first positioning holes 102 are respectively arranged on the end surfaces of two supporting legs of the silicon steel sheet 2, and the first positioning holes 102 penetrate through the two opposite ends of the supporting legs. The motor support 1 is provided with a second positioning hole 201 coaxial with the first positioning hole 102, the inner diameter of the second positioning hole 201 is equal to the inner diameter of the first positioning hole 102, and the second positioning hole 201 penetrates through two axial ends of the motor support 1.

The inside cover of motor support 1 has magnet mounting bracket 3, and magnet mounting bracket 3 is the cuboid structure, and four lateral walls of circumference of magnet mounting bracket 3 respectively open and have a mounting groove 301, and wherein inlay on two relative upper and lower mounting grooves 301 and be fixed with magnetic conductive plate 4, inlay on another mounting groove 301 to relative front and back and be fixed with magnet piece 5. Magnet mounting bracket 3 is opened along the axial has the through-hole, and coaxial transition cooperation has pivot support 601 in the through-hole, and pivot support 601 left side axial tip fixedly connected with pivot 6, pivot 6 and pivot support 601 formula shaping as an organic whole, and pivot 6 extends in motor support 1 outside. The one end that pivot support 601 kept away from pivot 6 is opened there is bar groove 7, and bar groove 7 interpolation cooperation has flexure strip 8, and flexure strip 8 is rectangle sheet structure, and the one end that pivot support 601 was kept away from to flexure strip 8 extends in motor support 1 outside.

A front cover 9 is arranged at one end of the left side of the motor support 1 close to the rotating shaft 6, a pin hole 901 is formed in the center of the front cover 9, a bearing 10 is coaxially connected in the pin hole 901, and the inner wall of the bearing 10 is in over-fit with the outer wall of the rotating shaft 6. The end face of the front cover 9 close to the motor bracket 1 is provided with four first blind holes 902, each first blind hole 902 corresponds to the corresponding first positioning hole 102 in position height, and the inner diameter of each first blind hole 902 is equal to the inner diameter of each first positioning hole 102.

One end of the motor bracket 1 close to the elastic sheet 8 is provided with a toothbrush bracket 11. The end portion, close to the motor support 1, of the toothbrush support 11 is provided with a positioning groove 1102, one side, close to the motor support 1, of the positioning groove 1102 is communicated with the outside, the positioning groove 1102 is connected with a positioning block 12 in a sliding mode, the positioning block 12 is connected with the positioning groove 1102 through two screws with symmetrical positions, and the end face, close to the motor support 1, of the positioning block 12 is provided with a jack 1201. The end surface of the toothbrush holder 11 close to the motor holder 1 is provided with four second blind holes 1101, each second blind hole 1101 corresponds to the height of the second positioning hole 201, and the inner diameter of the second blind hole 1101 is equal to the inner diameter of the first positioning hole 102. And the top surface of the end of the elastic sheet 8 far away from the rotating shaft bracket 601 is provided with a fixing hole 801, and the end of the elastic sheet 8 far away from the rotating shaft bracket 601 is inserted and matched in the insertion hole 1201.

Each first positioning hole 102 is connected with a fixing pin 13 in a sliding manner, and two ends of the axis of the fixing pin 13 extend to the second positioning hole 201 outwards and extend to the outside of the second positioning hole 201. One end of the fixing pin 13 close to the toothbrush holder 11 is inserted into the second blind hole 1101, and the other end is inserted into the first blind hole 902 of the front cover 9.

The specific implementation process is as follows: at first, the starting motor is electrified, the coil 14 generates magnetic field force after being electrified, the magnetic field force acts on the magnet block 5 on the magnet mounting frame 3, therefore, the magnet mounting frame 3 vibrates in a reciprocating mode, the vibration of the magnet mounting frame 3 drives the rotating shaft 6 to vibrate synchronously, and the technical effect of vibration of the toothbrush motor is finally achieved. When the toothbrush motor of the embodiment is applied to the electric toothbrush, the vibration effect of the electric toothbrush can be realized only by fixedly connecting the head of the electric toothbrush with the rotating shaft 6, and the electric toothbrush has the technical effects of easiness in installation, small volume structure and high vibration frequency.

Example two

The difference from the first embodiment is that, as shown in fig. 4, seven annular protrusions 1301 are respectively arranged on the side walls of the fixing needle 13, the annular protrusions 1301 are arrayed along the axial direction of the fixing needle 13, the intervals between adjacent annular protrusions 1301 are equal, the outer walls of the annular protrusions 1301 are circular curved surfaces, and the annular protrusions 1301 and the fixing needle 13 are integrally formed. The inner walls of the first blind hole 902 and the second blind hole 1101 are respectively provided with an annular groove 15 matched with the annular bulge 1301.

The specific implementation process is as follows: in the process that the fixing pin 13 is inserted into the first blind hole 902 or the second blind hole 1101, the annular protrusion 1301 of the fixing pin 13 is fitted into the annular groove 15 in the blind hole, and after the fixing pin 13 is completely inserted into the blind hole, the annular protrusion 1301 can effectively limit the displacement of the fixing pin 13 in the axial direction, so that the effect of further stabilizing the fixing is achieved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.

Claims (7)

1. The utility model provides a toothbrush motor, includes the motor support, motor support one side is equipped with the toothbrush support, be equipped with motor element in the motor support, its characterized in that: the motor support is provided with a plurality of positioning holes uniformly in the position close to the end face of the toothbrush support, the positioning holes are connected with fixing needles in a sliding mode, and the free ends of the fixing needles extend to the outside and are inserted into the toothbrush support.

2. A toothbrush motor as defined in claim 1, wherein: the motor assembly comprises a stator and a rotor; the rotor is including the magnet mounting bracket that is equipped with magnet, magnet mounting bracket axial tip coaxial coupling has the pivot, the one end fixedly connected with flexure strip of pivot is kept away from to the magnet mounting bracket, the flexure strip keep away from magnet mounting bracket one end fixed connection in toothbrush support tip.

3. A toothbrush motor as claimed in claim 2, wherein: the toothbrush support is fixedly connected with a positioning block, the positioning block is provided with a jack, and one end of the elastic sheet, which is far away from the rotating shaft, is fixedly inserted into the jack.

4. A toothbrush motor as claimed in claim 3, wherein: the end part of the toothbrush support close to the motor support is provided with a positioning groove, and the positioning block is connected in the positioning groove in a sliding manner.

5. A toothbrush motor as claimed in claim 4, wherein: the positioning block is fixedly connected with the positioning groove through threads.

6. A toothbrush motor as defined in claim 1, wherein: the motor support is far away from toothbrush support one end is equipped with the protecgulum, the protecgulum is close to motor support terminal surface and opens there are a plurality of blind holes, the blind hole with the locating hole internal diameter is the same and coaxial, the one end that the fixed needle is close to the protecgulum inserts in the blind hole.

7. A toothbrush motor as claimed in claim 6, wherein: the outer wall of the fixed needle is provided with a plurality of annular bulges along the circumferential direction, and annular grooves matched with the annular bulges are formed in the blind holes.

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