CN213521618U

CN213521618U - Sound wave motor for sound wave toothbrush

Info

Publication number: CN213521618U
Application number: CN202022290963.3U
Authority: CN
Inventors: 郭安尧; 邓福建
Original assignee: Shenzhen Hongyun Technology Co ltd
Current assignee: Shenzhen Hongyun Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-22
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a sound wave motor for sound wave toothbrush, including rotor, stator, protecgulum and hou gai, the rotor includes that the inner chamber contains the runing rest of strong magnet and be located this runing rest front and back both ends outer wall the axostylus axostyle, bullet line and fixed block and be located two sets of magnetic conductive sheet of this runing rest upper and lower both ends outer wall constitute, the stator includes that the coil and the U type silicon steel sheet that are located this runing rest middle part outer wall constitute, the magnet at runing rest inner chamber middle part is equipped with single group strong magnet in a wretched state, the upper and lower both ends outer wall magnetism respectively of runing rest is inhaled and is connected with two sets of magnetic conductive sheet, the central point fixedly connected with axostylus axostyle of runing rest. This a sound wave motor for sound wave toothbrush, have that overall structure is succinct, the assembly is dismantled advantages such as convenient, positive and negative rotation switching performance is stable, the dynamics is strong, the suitability is strong.

Description

Sound wave motor for sound wave toothbrush

Technical Field

The utility model belongs to the technical field of the motor, concretely relates to sound wave motor for sound wave toothbrush.

Background

The electric toothbrush is one kind of toothbrush, and the brush head produces high frequency vibration through the fast rotation or vibration of the motor core to decompose toothpaste into fine foam and clean teeth slit instantaneously.

The electric toothbrush who sells on the market now adopts the mode that traditional motor and eccentric wheel combined together to let the toothbrush handle vibrate, reach the effect of clean tooth, its shortcoming is that intensity is not enough, the frequency does not have the law, inefficiency, it is unstable, and long service life is low, although special sound wave motor has appeared on the market, but the structure is complicated, and is with high costs, inefficiency, can not in time effectual the reseing at the swing in-process, response speed is slow, the uniformity is poor, be unfavorable for batch production, therefore develop a sound wave motor for sound wave toothbrush, become the technical problem who waits to solve urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound wave motor for sound wave toothbrush to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sound wave motor for a sound wave toothbrush comprises a rotor, a stator, a front cover and a rear cover, wherein the rotor comprises a rotor support, a shaft rod, an elastic wire, a fixed block and two groups of magnetic conductive sheets, the rotor support is provided with a strong magnet in an inner cavity, the shaft rod, the elastic wire and the fixed block are positioned on the outer walls of the front end and the rear end of the rotor support, the two groups of magnetic conductive sheets are positioned on the outer walls of the upper end and the lower end of the rotor support, and the stator comprises a stator support, a coil and a;

the magnetic iron groove in the middle of the inner cavity of the rotor support is internally provided with a single group of strong magnets, the outer walls of the upper end and the lower end of the rotor support are respectively connected with two groups of magnetic conductive sheets in a magnetic attraction mode, the central point of the outer wall of the front end of the rotor support is fixedly connected with a shaft rod, the shaft rod penetrates through the hole groove in the outer wall of the front cover, the outer wall of the rear end of the rotor support is fixedly connected with a fixed block through elastic wires, the fixed block is inserted into a groove in the inner wall of the rear cover, the two ends of each U-shaped silicon steel sheet respectively penetrate through two groups of insertion holes inserted into the outer walls of the two ends of the stator support, the outer wall of the middle of the stator support is sleeved with a coil, the rotor support is arranged in a U-shaped inner.

Preferably, a first bearing is fixedly inserted in a hole groove in the outer wall of the front cover, and the rear end of the shaft rod penetrates through the middle of an inner cavity of the first bearing and is connected with the outer wall of the front end of the rotor support.

Preferably, a second bearing is fixedly inserted into the groove in the inner wall of the rear cover, and one end of the fixing block is fixedly inserted into the middle of the inner cavity of the second bearing.

Preferably, two sets of first draw-in grooves have been seted up to the both ends outer wall of protecgulum, two sets of second draw-in grooves have been seted up to the both ends outer wall of back lid, two sets of inserted blocks of the front end both sides outer wall of stator support joint respectively in two sets of first draw-in grooves of protecgulum both ends outer wall, the inserted block of the rear end both sides outer wall of stator support joint respectively in two sets of second draw-in grooves of back lid both ends outer wall.

Preferably, two sides of the outer wall of the front cover are in threaded connection with two groups of first bolts, and the screw ends of the two groups of first bolts are in threaded connection with two groups of threaded holes in the outer wall of the front end of the stator support respectively.

Preferably, two sides of the outer wall of the rear cover are in threaded connection with two groups of second bolts, and screw ends of the two groups of second bolts are in threaded connection with two groups of threaded holes in the outer wall of the rear end of the stator support respectively.

The utility model discloses a technological effect and advantage: this a sound wave motor for sound wave toothbrush, through axostylus axostyle on the rotor, the combination of line of bullet and strong magnet science, the protecgulum and the back lid of motor are with the stator, the rotor is together fixed, it is succinct to make it have overall structure, it is reliable, it is convenient that the assembly is dismantled, the location is accurate, the stator sways through the electromagnetic field, and the line of bullet on the rotor can let the quick return of rotor simultaneously with the magnetic field of stator on same axle center, reach positive and negative rotation switching performance stable, fast, advantages such as dynamics are strong, and reasonable design, high durability and convenient use.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic diagram of the present invention;

fig. 3 is a schematic structural view of the stator frame, the U-shaped silicon steel sheet and the coil of the present invention;

FIG. 4 is a schematic view of the front cover structure of the present invention;

fig. 5 is a schematic view of the structure of the rear cover of the present invention.

In the figure: the motor comprises a rotor 1, a stator 2, a front cover 3, a rear cover 4, a rotor bracket 5, a shaft lever 6, a spring wire 7, a fixed block 8, a strong magnet 9, a magnetic conductive sheet 10, a stator bracket 11, a silicon steel sheet 12U-shaped, a coil 13, a first bearing 14, a second bearing 15, a first clamping groove 16, a second clamping groove 17, a first bolt 18 and a second bolt 19.

Detailed Description

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

The utility model provides a sound wave motor for sound wave toothbrush as shown in figures 1-5, which comprises a rotor 1, a stator 2, a front cover 3 and a rear cover 4, wherein the rotor 1 comprises a rotor bracket 5 with a strong magnet 9 in the inner cavity, a shaft lever 6, an elastic wire 7 and a fixed block 8 which are positioned on the outer walls of the front end and the rear end of the rotor bracket 5, and two groups of magnetic conductive sheets 10 which are positioned on the outer walls of the upper end and the lower end of the rotor bracket 5, and the stator 2 comprises a stator bracket 11, a coil 13 which is positioned on the outer wall of the middle part of the stator bracket 11 and a U-shaped silicon steel sheet 12;

a single group of strong magnets 9 are arranged in a magnet groove in the middle of an inner cavity of the rotor support 5, two groups of magnetic conductive sheets 10 are respectively connected to the outer walls of the upper end and the lower end of the rotor support 5 in a magnetic attraction manner, a shaft lever 6 is fixedly connected to the central point of the outer wall of the front end of the rotor support 5, the shaft lever 6 is made of stainless material, the shaft lever 6 penetrates through a hole groove in the outer wall of the front cover 3, a fixed block 8 is fixedly connected to the outer wall of the rear end of the rotor support 5 through an elastic wire 7, the rotor support 5 and the fixed block 8 are made of high-strength polymer plastic materials, the fixed block 8 is inserted into a groove in the inner wall of the rear cover 4, two ends of a U-shaped silicon steel sheet 12 are respectively inserted into two groups of insertion holes in the outer walls of two ends of a stator support 11, a coil 13 is sleeved on the outer wall of the middle, two ends of the stator bracket 11 are respectively inserted into the inner cavities of the front cover 3 and the rear cover 4.

Specifically, a first bearing 14 is fixedly inserted into a hole groove in the outer wall of the front cover 3, and the rear end of the shaft lever 6 penetrates through the middle of an inner cavity of the first bearing 14 and is connected with the outer wall of the front end of the rotor support 5.

Specifically, a second bearing 15 is fixedly inserted into a groove in the inner wall of the rear cover 4, and one end of the fixing block 8 is fixedly inserted into the middle of an inner cavity of the second bearing 15.

Specifically, two sets of first draw-in grooves 16 have been seted up to the both ends outer wall of protecgulum 3, two sets of second draw-in grooves 17 have been seted up to the both ends outer wall of back lid 4, when protecgulum 3 was installed at stator support 11's front end, two sets of inserts of the front end both sides outer wall of stator support 11 joint respectively in two sets of first draw-in grooves 16 of the 3 both ends outer walls of protecgulum, when back lid 4 was installed at stator support 11's rear end, the inserts of the rear end both sides outer wall of stator support 11 joint respectively in two sets of second draw-in grooves 17 of the 4 both ends outer walls of back lid.

Specifically, two sets of first bolts 18 are connected to two sides of the outer wall of the front cover 3 in a threaded manner, screw ends of the two sets of first bolts 18 are respectively connected to two sets of threaded holes in the outer wall of the front end of the stator support 11 in a threaded manner, the two sets of first bolts 18 on two sides of the outer wall of the front cover 3 are screwed off in a rotating manner, and the front cover 3 can be detached from the front end of the stator support 11.

Specifically, two sets of second bolts 19 are connected to two sides of the outer wall of the rear cover 4 in a threaded manner, screw ends of the two sets of second bolts 19 are respectively connected to two sets of threaded holes in the outer wall of the rear end of the stator support 11 in a threaded manner, the two sets of second bolts 19 on two sides of the outer wall of the rear cover 4 are screwed off in a rotating manner, and the rear cover 4 can be detached from the rear end of the stator support 11.

The working principle is that the shaft lever 6, the rotor bracket 5, the elastic wire 7 and the fixed block 8 are placed in a mould to be integrally formed, the concentricity, the consistency and the rapid batch production can be ensured, then the strong magnet 9 is placed in the magnet groove corresponding to the rotor bracket 5, then two groups of magnetic conductive sheets 10 are magnetically attracted at two ends of the rotor bracket 5 and outside the magnet groove, finally the first bearing 14 and the second bearing 15 are placed on the outer walls of the shaft lever 6 and the tail end fixed block 8 of the rotor bracket 5, thus the assembly of the rotor 1 is completed, the U-shaped silicon steel sheet 12 and the stator bracket 11 are placed in the mould to be integrally formed, thus the stability and the consistency of the rotor 1 can be ensured, then the coil 13, the U-shaped silicon steel sheet 12 and the stator bracket 11 are assembled together through equipment, after the assembled stator 2 and the corresponding back cover 4 are combined, an electromagnetic field is generated after the electronic treatment, the electromagnetic field that produces can conduct for U type silicon steel sheet 12, and the S utmost point and the N utmost point of electromagnetic field are switching incessantly to reach and let stator 2 sway, and the bullet line 7 of rotor 1 rear end can let rotor 1 quick return simultaneously with the magnetic field of stator 2 on same axle center, reach frequency stability, dynamics. This a sound wave motor for sound wave toothbrush, it has that overall structure is succinct, reliable, the assembly is dismantled conveniently, the location is accurate, positive and negative rotation switches advantages such as stable performance, fast, dynamics are strong, can generally use widely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A sound wave motor for a sound wave toothbrush, comprising a rotor (1), a stator (2), a front cover (3) and a rear cover (4), characterized in that: the rotor (1) comprises a rotor support (5) with a strong magnet (9) in an inner cavity, shaft rods (6) positioned on the outer walls of the front end and the rear end of the rotor support (5), elastic wires (7), a fixed block (8) and two groups of magnetic conductive sheets (10) positioned on the outer walls of the upper end and the lower end of the rotor support (5), and the stator (2) comprises a stator support (11), a coil (13) positioned on the outer wall of the middle part of the stator support (11) and U-shaped silicon steel sheets (12);

a single group of strong magnets (9) are arranged in a magnet groove in the middle of an inner cavity of the rotor support (5), the outer walls of the upper end and the lower end of the rotor support (5) are respectively connected with two groups of magnetic conductive sheets (10) in a magnetic attraction manner, the central point of the outer wall of the front end of the rotor support (5) is fixedly connected with a shaft lever (6), the shaft lever (6) penetrates through a hole groove in the outer wall of the front cover (3), the outer wall of the rear end of the rotor support (5) is fixedly connected with a fixed block (8) through an elastic wire (7), the fixed block (8) is inserted into a groove in the inner wall of the rear cover (4), two ends of a U-shaped silicon steel sheet (12) respectively penetrate through two groups of insertion holes in the outer walls of two ends of the stator support (11), the outer wall of the middle of the stator support (11) is sleeved with a coil (13), the rotor support (5) is arranged in, two ends of the stator support (11) are respectively inserted into the inner cavities of the front cover (3) and the rear cover (4).

2. A sonic motor for a sonic toothbrush as defined in claim 1, wherein: a first bearing (14) is fixedly inserted in a hole groove in the outer wall of the front cover (3), and the rear end of the shaft lever (6) penetrates through the middle of an inner cavity of the first bearing (14) and is connected with the outer wall of the front end of the rotor support (5).

3. A sonic motor for a sonic toothbrush as defined in claim 1, wherein: a second bearing (15) is fixedly inserted into the groove in the inner wall of the rear cover (4), and one end of the fixing block (8) is fixedly inserted into the middle of the inner cavity of the second bearing (15).

4. A sonic motor for a sonic toothbrush as defined in claim 1, wherein: two sets of first draw-in grooves (16) have been seted up to the both ends outer wall of protecgulum (3), two sets of second draw-in grooves (17) have been seted up to the both ends outer wall of back lid (4), two sets of inserts of the front end both sides outer wall of stator support (11) joint respectively in two sets of first draw-in grooves (16) of protecgulum (3) both ends outer wall, the inserts of the rear end both sides outer wall of stator support (11) joint respectively in two sets of second draw-in grooves (17) of back lid (4) both ends outer wall.

5. A sonic motor for a sonic toothbrush as defined in claim 1, wherein: two sides of the outer wall of the front cover (3) are in threaded connection with two groups of first bolts (18), and the screw ends of the two groups of first bolts (18) are respectively in threaded connection with two groups of threaded holes in the outer wall of the front end of the stator support (11).

6. A sonic motor for a sonic toothbrush as defined in claim 1, wherein: two sides of the outer wall of the rear cover (4) are in threaded connection with two groups of second bolts (19), and the screw ends of the two groups of second bolts (19) are respectively in threaded connection with two groups of threaded holes in the outer wall of the rear end of the stator support (11).