CN206324873U

CN206324873U - A kind of power set of electric toothbrush

Info

Publication number: CN206324873U
Application number: CN201621051023.6U
Authority: CN
Inventors: 张磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-07-14
Anticipated expiration: 2026-08-31

Abstract

The utility model is related to a kind of power set of electric toothbrush, including housing and the movement main body for being built in housing, housing rear end is provided with battery compartment, movement main body includes swinging axle, permanent magnet and silicon steel sheet, silicon steel sheet is arranged on above swinging axle, permanent magnet is arranged in silicon steel sheet, the silicon steel sheet upper end is wound with enamel-covered wire, silicon steel sheet two ends are provided with protective cradle, swinging axle front end is provided with bearing, the bearing front end is rotatably connected to output shaft, output shaft is provided with beam, swing shaft rear end and be provided with locating piece, the locating piece is connected by torsion shaft with swinging axle, the quantity of torsion shaft is 2, the utility model is by setting two torsion shafts, so that swinging axle or so stable oscillation, improve wobble accuracy, and it is easier to set amplitude of fluctuation, output shaft installs beam to reduce the seismaesthesia of housing, noise during reduction operation, and prevent that enamel-covered wire abrasion from extending its service life in silicon steel sheet both sides installation protective cradle.

Description

A kind of power set of electric toothbrush

Technical field

The utility model is related to small household appliances field, more particularly to a kind of power set of electric toothbrush.

Background technology

As oral hygiene is paid attention to by more and more people, the science and technology innovation of electric toothbrush allows people to be more convenient labour-saving Oral cavity is cleaned, electric toothbrush can more thoroughly remove bacterial plaque, reduce gingivitis, periodontosis compared with ordinary toothbrush With the mouth disease such as bleeding gums, prior art electric toothbrush produces brush by the quick rotation or swing of electric core Toothpaste is resolved into trickle foam by high-frequency vibration, moment, deeply cleans teeth space, the acoustic power brush of the main flow of in the market is a kind of Using suspension motor as power source, drive head toothbrushes to be vibrated according to the frequency designed, reach the novel toothbrush of cleaning tooth, electricity Magnetic adds device of excitation as vibration source, and its principle is calutron formation magnetic field after being powered, and pendulous device is suspended in the middle of magnetic field, Dither frequencies are formed, then are transmitted to by power transmission shaft on head toothbrushes, but the coil on existing power set easily weares and teares, Cause electric toothbrush service life shorter, and pendulous device swings and is not sufficiently stable, the amplitude of swing is not easy precise control, in addition The swing guide cause electric toothbrush seismaesthesia of high speed is stronger, and noise is big.

Utility model content

In view of the above-mentioned state of the art, technical problem to be solved in the utility model is to provide a kind of swing surely The power set of the fixed and electric toothbrush of long service life.

The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of power set of electric toothbrush, Including housing and the movement main body for being built in housing, the housing rear end is provided with battery compartment, and the movement main body includes swinging Axle, permanent magnet and silicon steel sheet, the silicon steel sheet are arranged on above swinging axle, and the permanent magnet is arranged in silicon steel sheet, the silicon steel Piece upper end is wound with enamel-covered wire, and the silicon steel sheet two ends are provided with protective cradle, and the swinging axle front end is provided with bearing, the bearing Front end is rotatably connected to output shaft, and the output shaft is provided with beam, and the swing shaft rear end is provided with locating piece, the positioning Block is connected by torsion shaft with swinging axle, and the quantity of the torsion shaft is 2.

Further, the permanent magnet includes magnet and iron plate, and the magnet quantity is 2, and the iron plate quantity is 2.

Further, the swinging axle is provided with mounting seat, and the mounting seat is provided with circular cavity, and the magnet is arranged on circle In shape cavity, make its compact conformation.

Further, the cross section of the silicon steel sheet is U-shaped, and the silicon steel sheet inside bottom surface two ends are provided with neck, the silicon Set on the outside of the flank side surface of steel disc two fluted.

Further, the quantity of the protective cradle is 2, and the protective cradle is connected in silicon steel sheet by neck and groove Two ends, prevent that silicon steel sheet both sides corner angle from wearing and tearing to enamel-covered wire swiping, extend its service life.

Further, the protective cradle is plastic stent.

Compared with prior art, the utility model has the advantage of：The utility model makes by setting two torsion shafts Swinging axle or so stable oscillation is obtained, wobble accuracy is improved, and is easier to set amplitude of fluctuation, output shaft installs beam to subtract The seismaesthesia of housing, noise during reduction operation, and prevent that enamel-covered wire abrasion from extending it and making in silicon steel sheet both sides installation protective cradle less With the life-span, the utility model is reasonable in design, accords with the demands of the market, and is adapted to promote.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the utility model explosive view；

Fig. 3 is the utility model silicon steel sheet enlarged drawing.

Embodiment

As Figure 1-3, a kind of power set of electric toothbrush, including housing 1 and the movement main body for being built in housing 1, The rear end of housing 1 is provided with battery compartment 14, and the movement main body includes swinging axle 2, permanent magnet and silicon steel sheet 9, the silicon steel Piece 9 is arranged on the top of swinging axle 2, and the permanent magnet is arranged in silicon steel sheet 9, and the permanent magnet includes magnet 12 and iron plate 13, The quantity of magnet 12 is 2, and the quantity of iron plate 13 is 2, and the swinging axle 2 is provided with mounting seat 3, and the mounting seat 3 is provided with circle Shape cavity, the magnet 12 is arranged in circular cavity, and the cross section of the silicon steel sheet 9 is U-shaped, the inside bottom surface of silicon steel sheet 9 Two ends are provided with neck 15, set fluted 16 on the outside of 9 liang of flank side surfaces of the silicon steel sheet, the upper end of silicon steel sheet 9 is wound with enamel-covered wire 11, The two ends of silicon steel sheet 9 are provided with protective cradle 10, and the quantity of the protective cradle 10 is 2, and the protective cradle 10 passes through card Groove 15 and groove 16 are connected in the two ends of silicon steel sheet 9, easy for installation laborsaving, and the protective cradle 10 is plastic stent, can prevent silicon The both sides corner angle of steel disc 9 wear and tear to the swiping of enamel-covered wire 11, extend its service life, the front end of swinging axle 2 is provided with bearing 8, should The front end of bearing 8 is rotatably connected to output shaft 6, and the output shaft 6 is provided with beam 7, to 6 cushioning effects of output shaft, reduces Housing 1 resonates, and reduces noise, and the rear end of swinging axle 2 is provided with locating piece 5, and the locating piece 5 passes through torsion shaft 4 and pendulum Moving axis 2 is connected, and the quantity of the torsion shaft 4 is 2, and the torsion shaft 4 is symmetrically distributed in the rear end of swinging axle 2, and enhancing movement is swung Stability, improves wobble accuracy.

In use, battery is installed in battery compartment, battery electrical connection enamel-covered wire so that enamel-covered wire and silicon steel sheet formation magnetic , by changing the sense of current of enamel-covered wire, change the magnetic pole of silicon steel sheet, with permanent magnet repulsion and attraction, realize that swinging axle is put It is dynamic, it is driven by output shaft to head toothbrushes.

The utility model is by setting two torsion shafts so that swinging axle or so stable oscillation, improves wobble accuracy, and And setting amplitude of fluctuation is easier, output shaft installs beam to reduce the seismaesthesia of housing, noise when reducing operation, and in silicon steel Protective cradle is installed in piece both sides prevents that enamel-covered wire abrasion from extending its service life.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is replaced on an equal basis Change；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the utility model Spirit and scope.

Claims

1. a kind of power set of electric toothbrush, including housing (1) and the movement main body for being built in housing (1), the housing (1) Rear end is provided with battery compartment (14), it is characterised in that the movement main body includes swinging axle (2), permanent magnet and silicon steel sheet (9), The silicon steel sheet (9) is arranged on above swinging axle (2), and the permanent magnet is arranged in silicon steel sheet (9), silicon steel sheet (9) upper end Enamel-covered wire (11) is wound with, silicon steel sheet (9) two ends are provided with protective cradle (10), and swinging axle (2) front end is provided with axle (8) are held, bearing (8) front end is rotatably connected to output shaft (6), and the output shaft (6) is provided with beam (7), described to swing Axle (2) rear end is provided with locating piece (5), and the locating piece (5) is connected by torsion shaft (4) with swinging axle (2), the torsion shaft (4) quantity is 2.

2. the power set of a kind of electric toothbrush according to claim 1, it is characterised in that the permanent magnet includes magnet (12) and iron plate (13), magnet (12) quantity is 2, and iron plate (13) quantity is 2.

3. the power set of a kind of electric toothbrush according to claim 2, it is characterised in that the swinging axle (2) is set There is mounting seat (3), the mounting seat (3) is provided with circular cavity, the magnet (12) is arranged in circular cavity.

4. a kind of power set of electric toothbrush according to claim 3, it is characterised in that the horizontal stroke of the silicon steel sheet (9) Section is U-shaped, and silicon steel sheet (9) the inside bottom surface two ends are provided with neck (15), is provided with the outside of the flank side surface of silicon steel sheet two recessed Groove (16).

5. the power set of a kind of electric toothbrush according to claim 4, it is characterised in that the protective cradle (10) Quantity is 2, and the protective cradle (10) is connected in silicon steel sheet (9) two ends by neck (15) and groove (16).

6. a kind of power set of electric toothbrush according to claim 5, it is characterised in that the protective cradle (10) is Plastic stent.