CN210297448U

CN210297448U - Button vibrating motor

Info

Publication number: CN210297448U
Application number: CN201921260886.8U
Authority: CN
Inventors: 张国光
Original assignee: Shenzhen Elide Yongsheng Technology Co Ltd
Current assignee: Shenzhen Elide Yongsheng Technology Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-04-10
Anticipated expiration: 2029-08-01

Abstract

The utility model provides a button vibrating motor, button vibrating motor includes lower casing, center pin, first circuit board, second circuit board and brush, be equipped with on the lower casing and paste face and constant head tank, be equipped with electrode point and soft spring on the second circuit board, the one end of center pin is acceptd in the constant head tank, the center pin runs through first circuit board, the brush symmetry sets up the both sides of center pin, the fixed welding of one end of brush is in on the second circuit board, the other end of brush with first circuit board sliding connection, soft spring fixed mounting is in on the electrode point, it sets up to paste the face the surface of lower casing, the second circuit board can buckle, the one end that the second circuit board buckles can fix and paste on pasting the face.

Description

Button vibrating motor

Technical Field

The utility model relates to the technical field of motors, especially, relate to a button vibrating motor.

Background

With the rapid development of science and technology, the trend of smaller size and more powerful function is also progressing in mobile phones, pagers, etc. in portable personal communication systems; while the button vibration motor for providing the vibration function to the appliance is also in fierce competition in millimeter level, it is known that there is an important function in a personal communication system to remind a user of incoming call information, and at present, music and a ringing function are most widely used, and a mode of shaking the machine itself to remind the user of incoming call information is also used, and the function is particularly suitable for an environment with dense crowds or at night after people are asleep to avoid disturbing others and generating noise, but the button vibration motor in the prior art is inconvenient to mount, and has a complex structure and a large volume, so that the occupied mounting space is large, and the problem exists in the button vibration motor described in the grant publication number CN 204669195U.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a button vibrating motor that erection joint is convenient, the volume is littleer.

The utility model discloses a following technical scheme realizes:

Further, the button vibration motor further comprises two coils, two fixing parts are arranged on the first circuit board, the coils are fixedly installed on the fixing parts, and the coils are electrically connected with the first circuit board.

Further, button vibrating motor still includes the oscillator, the oscillator with first circuit board electricity is connected, the oscillator is placed two between the coil.

Further, the button vibration motor further comprises a fixing plate, and the first circuit board is fixedly installed on the fixing plate.

Further, the button vibration motor further comprises an upper shell and an adhesive gasket, wherein the adhesive gasket is fixedly mounted on the inner surface of the upper shell, and when the upper shell is fixedly connected with the lower shell, the central shaft is connected with the adhesive gasket.

Further, button vibrating motor still includes the bearing, the bearing housing is established on the center pin, the bearing with the viscidity gasket contacts.

Furthermore, the button vibration motor further comprises magnetic steel, and the magnetic steel is bonded on the lower shell.

The utility model has the advantages that:

the utility model provides a button vibrating motor's lower casing is provided with on the surface and pastes the face, and the second circuit board is flexible circuit board, and the electrode point on the second circuit board just can buckle to paste fixedly on the surface of lower casing like this, and for traditional button vibrating motor, this button vibrating motor need not fix the circuit board of second circuit board, makes this button vibrating motor volume littleer, can save installation space; be provided with soft spring on the second circuit board, only need when this button vibrating motor installation use with soft spring aim at the position of electrode connection can, for traditional button vibrating motor, this button vibrating motor need not the welding can accomplish the erection joint when the erection joint, such erection joint mode is simple and convenient.

Drawings

Fig. 1 is an exploded view of the button vibration motor of the present invention;

fig. 2 is a perspective view of the bottom angle of the button vibration motor of the present invention.

Detailed Description

For a more clear and complete description of the technical solution of the present invention, the following description is made with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a button vibration motor, which includes a lower case 24, a central shaft 19, a first circuit board 15, a second circuit board 16 and a brush 22, the lower case 24 is provided with an adhesive surface 25 and a positioning groove 26, the second circuit board 16 is provided with an electrode point 17 and a soft spring 18, one end of the central shaft 19 is received in the positioning slot 26, the central shaft 19 penetrates through the first circuit board 15, the brushes 22 are symmetrically arranged on two sides of the central shaft 19, one end of the brush 22 is fixedly welded on the second circuit board 16, the other end of the brush 22 is connected with the first circuit board 15 in a sliding way, the soft spring 18 is fixedly arranged on the electrode point 17, the adhesive surface 25 is disposed on the outer surface of the lower housing 24, and one end of the second circuit board 16 fixed to the electrode point 17 can be bent and adhered to the adhesive surface 25. The button vibration motor further comprises two coils 14, two fixing parts 23 are arranged on the first circuit board 15, the coils 14 are fixedly installed on the fixing parts 23, and the coils 14 are electrically connected with the first circuit board 15. The button vibration motor further includes a vibrator 13, the vibrator 13 being electrically connected to the first circuit board 15, the vibrator 13 being placed between the two coils 14. The button vibration motor further comprises a fixing plate 21, and the first circuit board 15 is fixedly installed on the fixing plate 21. The button vibration motor further comprises an upper shell 10 and an adhesive gasket 11, wherein the adhesive gasket 11 is fixedly arranged on the inner surface of the upper shell 10, and when the upper shell 10 is fixedly connected with the lower shell 24, the central shaft 19 is connected with the adhesive gasket 11. The button vibration motor further comprises a bearing 12, the bearing 12 is sleeved on the central shaft 19, and the bearing 12 is in contact with the viscous gasket 11. The button vibration motor further comprises magnetic steel 20, and the magnetic steel 20 is bonded on the lower shell 24.

In this embodiment, the button vibration motor can be divided into three major parts, namely a housing assembly, a stator assembly and a rotor assembly, wherein the housing assembly comprises the upper housing 10, the lower housing 24 and an adhesive gasket 11 fixedly mounted at the center of the inner surface of the upper housing 10; the stator assembly comprises the central shaft 19, the magnetic steel 20 and the second circuit board 16, the second circuit board 16 is a flexible Printed Circuit Board (PCB), and the second circuit board 16 can be bent; the rotor assembly includes the first circuit board 15, the fixing plate 21, the coil 14, the bearing 12, and the vibrator 13. The central shaft 19 is fixed in the fixing groove by riveting, so that the central shaft 19 is fixed on the lower housing 24. The bearing 12, the first circuit board 15, the second circuit board 16, the magnetic steel 20 and the fixing plate 21 are all sleeved on the central shaft 19. The two brushes 22 are provided, that is, a pair of brushes 22 are symmetrically disposed on both sides of the central shaft 19, one end of the brush 22 is electrically connected to the second circuit board 16 by soldering, and the brush 22 is energized. The magnetic steel 20 is a magnetic steel 20 with four-level magnetism, the magnetic steel 20 is bonded on the surface of the lower shell 24, and the magnetic steel 20 generates the attraction and repulsion force action of a magnetic field to the rotor component. The two coils 14 are electrically connected to the first circuit board 15 in series, the two coils 14 are fixedly mounted on the first circuit board 15, and the first circuit board 15 is fixedly mounted on the fixing plate 21, so that the first circuit board 15, the coils 14 and the fixing plate 21 are integrally connected. The bearing 12 is provided at an upper end of the vibrator 13, and when the rotor assembly rotates, the bearing 12 can reduce friction when the rotor rotates, so that the rotor rotates about the central shaft 19. The adhesive pad 11 can reduce friction when the bearing 12 rotates in contact with the upper housing 10 and also can reduce noise. For the button vibrating motor that the bulletin number is described in CN204669195U, button vibrating motor need not fix the fixed plate 21 of second circuit board 16 in the button vibrating motor, second circuit board 16 one end is with a pair of brush 22 welding, two are established to the other end of second circuit board 16 electrode point 17, two still fixed mounting has two on the electrode point 17 soft spring 18 makes like this button vibrating motor can install a columniform mounting structure the inside, and because be equipped with on the lower casing 24 paste the face 25, second circuit board 16 can directly buckle and paste on paste the face 25, button vibrating motor just need not follow the side wiring of motor, can be connected with the power electrocute from the bottom.

In the button vibrating motor working process, the power passes through the soft spring 18 enters into on the second circuit board 16, then passes through brush 22 gets into on the first circuit board 15, then pass through circuit on the first circuit board 15 reaches in the coil 14, make the coil 14 produces the magnetic field, the magnetic field of production with the magnetic steel 20's magnetic field takes place the interact, thereby impels the rotor subassembly rotatory, when the rotor is rotatory, the vibrator 13 plays the effect of eccentric vibration, so button vibrating motor just can produce the vibrational force on the limit.

Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides a button vibrating motor, its characterized in that, button vibrating motor includes lower casing, center pin, first circuit board, second circuit board and brush, be equipped with on the lower casing and paste face and constant head tank, be equipped with electrode point and soft spring on the second circuit board, the one end of center pin is acceptd in the constant head tank, the center pin runs through first circuit board, the brush symmetry sets up the both sides of center pin, the fixed welding of one end of brush is in on the second circuit board, the other end of brush with first circuit board sliding connection, soft spring fixed mounting is in on the electrode point, it sets up to paste the face the surface of lower casing, the second circuit board can buckle, the one end that the second circuit board buckles can fix paste on pasting the face.

2. The button vibration motor according to claim 1, further comprising two coils, wherein the first circuit board is provided with two fixing portions, the coils are fixedly mounted on the fixing portions, and the coils are electrically connected to the first circuit board.

3. The button vibration motor according to claim 2, further comprising an oscillator electrically connected to said first circuit board, said oscillator being placed between two of said coils.

4. The button vibration motor as claimed in claim 3, further comprising a fixing plate on which said first circuit board is fixedly mounted.

5. The button vibration motor as claimed in claim 1, further comprising an upper housing and an adhesive pad fixedly mounted on an inner surface of said upper housing, said center shaft being coupled to said adhesive pad when said upper housing is fixedly coupled to said lower housing.

6. The button vibration motor of claim 5 further comprising a bearing, said bearing fitting over said central shaft, said bearing contacting said adhesive pad.

7. The button vibration motor of claim 1, further comprising magnetic steel bonded to said lower housing.