CN209896888U

CN209896888U - Large-swing sound wave motor

Info

Publication number: CN209896888U
Application number: CN201921106505.0U
Authority: CN
Inventors: 吴琼英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-01-03
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a big amplitude of oscillation sound wave motor, which comprises an outer shell, the both ends of shell connect respectively and be equipped with protecgulum and hou gai, the back cover the embedding and be equipped with the shell fragment seat, the shell fragment seat on connect and be equipped with two square shell fragments that are parallel to each other, the other end of square shell fragment connect and be equipped with the output shaft, the other end of output shaft pass the protecgulum and extend to the protecgulum outside, the shell in be equipped with two sets of magnet and two sets of outer iron cores, magnet symmetric distribution in the output shaft both sides, two sets of magnet fixed through the iron sheet centre gripping that sets up at the magnet both ends, outer iron core pass through the protecgulum and hold and fix in the magnet outside with the back lid centre gripping, outer iron core on correspond the magnet winding and be equipped. Compared with the prior art, the utility model the advantage lie in: the utility model discloses effective reduction in production cost provides great amplitude of oscillation with faint electric current simultaneously.

Description

Large-swing sound wave motor

Technical Field

The utility model relates to a sound wave motor technical field specifically indicates a big amplitude of oscillation sound wave motor.

Background

Cylindrical or thicker slice shell fragment that output shaft rear end used in current sound wave motor market, the electric current is great, and the amplitude of oscillation is less relatively, can not reach ideal effect, in addition, because assembly process is comparatively complicated, the sound wave motor on the existing market all is more expensive.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a big amplitude of oscillation sound wave motor that amplitude of oscillation is big, low in production cost.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a big amplitude of oscillation sound wave motor, includes the shell, the both ends of shell connect respectively and be equipped with protecgulum and hou gai, back cover and go up the embedding and be equipped with the bullet piece seat, the bullet piece seat on connect and be equipped with two square shell fragments that are parallel to each other, the other end of square shell fragment connect and be equipped with the output shaft, the other end of output shaft pass the protecgulum and extend to the protecgulum outside, the shell in be equipped with two sets of magnet and two sets of outer iron cores, magnet symmetric distribution in the output shaft both sides, two sets of magnet through set up the iron sheet centre gripping at magnet both ends fixed, outer iron core through protecgulum and back lid centre gripping fix in the magnet outside, outer iron core on correspond the magnet winding and be equipped with the coil.

As an improvement, two ends of the square elastic sheet are respectively embedded into the output shaft and the elastic sheet seat, and the output shaft, the square elastic sheet and the elastic sheet seat are integrally formed through injection molding of high-toughness plastic.

As an improvement, a bearing is embedded in the front cover and is in running fit with the output shaft.

As an improvement, the section of the outer iron core is in a shape of Chinese character 'shan', and the coil is wound on the inner side of the lower outer iron core.

As an improvement, one end of the output shaft, which is far away from the shell, is provided with a mounting part.

Compared with the prior art, the utility model the advantage lie in: adopt two square shell fragment one ends to insert to connect on the output shaft, on the other end inserted the shell fragment seat, square shell fragment is thin and non-deformable to the swing of great torsion just can be produced to small electric current, thereby improves the rate of application, and in addition, outer iron core utilizes protecgulum and back lid to install fixedly, and simple process is favorable to reduction in production cost, easily marketing.

Drawings

Fig. 1 is a schematic structural view of the large-swing sound wave motor of the present invention.

Fig. 2 is a schematic side view of the large-amplitude sound wave motor of the present invention.

Fig. 3 is a schematic view of a top view structure of a large-swing sound wave motor according to the present invention.

As shown in the figure: 1. the magnetic motor comprises a shell, 2, a front cover, 3, a rear cover, 4, a spring sheet seat, 5, a square spring sheet, 6, an output shaft, 7, a magnet, 8, an outer iron core, 9, an iron sheet, 10, a coil, 11, high-toughness plastic, 12, a bearing, 13 and an installation part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, a large-swing sound wave motor includes a housing 1, a front cover 2 and a rear cover 3 are respectively connected to two ends of the housing 1, a spring seat 4 is embedded in the rear cover 3, two parallel square spring plates 5 are connected to the spring seat 4, an output shaft 6 is connected to the other ends of the square spring plates 5, the other end of the output shaft 6 penetrates through the front cover 2 and extends to the outer side of the front cover 2, two sets of magnets 7 and two sets of outer iron cores 8 are arranged in the housing 1, the magnets 7 are symmetrically distributed on two sides of the output shaft 6, the two sets of magnets 7 are clamped and fixed by iron plates 9 arranged at two ends of each magnet 7, the outer iron cores 8 are clamped and fixed on the outer sides of the magnets 7 by the front cover 2 and the rear cover 3, and coils 10 are wound on the outer iron cores 8 corresponding to the magnets 7.

Square shell fragment 5 both ends imbed respectively on output shaft 6 and shell fragment seat 4, output shaft 6, square shell fragment 5 and shell fragment seat 4 mould plastics through high tenacity plastics 11 and become integrative, protecgulum 2 on the embedding be equipped with bearing 12, bearing 12 and output shaft 6 normal running fit, outer iron core 8 cross-section be the chevron shape, coil 10 twine outer iron core 8 inboardly down, output shaft 6 on keep away from the one end of shell 1 and be equipped with installation department 13.

The utility model discloses the theory of operation: when having the electric current to insert, outer iron core 8 is electrically conductive, and coil 10 produces magnetism, simultaneously because there are two magnets 7 that correspond, produces magnetic resonance mutually, simultaneously, because 6 rear ends of output shaft are connected with two square shell fragment 5, the vibration of square shell fragment 5 produces the sound wave, can continuously produce the swing, and 5 rear ends of square shell fragment are fixed on shell fragment seat 4, play certain stable limiting displacement again, make the amplitude of oscillation can control at certain extent.

The utility model discloses when concrete implementation: adopt two square shell fragments, the amplitude of oscillation is great, can be applied to adult's electric toothbrush, for being applicable to children's toothbrush, can adopt U type shell fragment replacement with two square shell fragments, the open end of U type shell fragment inserts the output and takes out the end, U type shell fragment bottom arc position is fixed on the shell fragment seat, and U type shell fragment is more stable for two square shell fragments, and the amplitude of oscillation is less relatively.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A large-amplitude sound wave motor comprises a shell (1), and is characterized in that: two ends of the shell (1) are respectively connected with a front cover (2) and a rear cover (3), an elastic sheet seat (4) is embedded in the rear cover (3), two square elastic sheets (5) which are parallel to each other are connected on the elastic sheet seat (4), the other end of the square elastic sheet (5) is connected with an output shaft (6), the other end of the output shaft (6) penetrates through the front cover (2) and extends to the outer side of the front cover (2), two groups of magnets (7) and two groups of outer iron cores (8) are arranged in the shell (1), the magnets (7) are symmetrically distributed on two sides of the output shaft (6), the two groups of magnets (7) are clamped and fixed through iron sheets (9) arranged at two ends of the magnets (7), the outer iron core (8) is clamped and fixed at the outer side of the magnet (7) through the front cover (2) and the rear cover (3), and a coil (10) is wound on the outer iron core (8) corresponding to the magnet (7).

2. The large-swing acoustic wave motor according to claim 1, wherein: the two ends of the square elastic sheet (5) are respectively embedded into the output shaft (6) and the elastic sheet seat (4), and the output shaft (6), the square elastic sheet (5) and the elastic sheet seat (4) are integrally formed through injection molding of high-toughness plastic (11).

3. The large-swing acoustic wave motor according to claim 1, wherein: the front cover (2) is embedded with a bearing (12), and the bearing (12) is in running fit with the output shaft (6).

4. The large-swing acoustic wave motor according to claim 1, wherein: the cross section of the outer iron core (8) is in a shape of Chinese character 'shan', and the coil (10) is wound on the inner side of the lower outer iron core (8).

5. The large-swing acoustic wave motor according to claim 1, wherein: and a mounting part (13) is arranged at one end of the output shaft (6) far away from the shell (1).