CN217522721U

CN217522721U - High-vibration-sense vehicle-mounted vibration motor

Info

Publication number: CN217522721U
Application number: CN202221165108.2U
Authority: CN
Inventors: 严新江; 周扬栋
Original assignee: Zhejiang Dongyang Dongci Chengji Electronics Co Ltd
Current assignee: Zhejiang Dongyang Dongci Chengji Electronics Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-30
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a high-vibration-sense vehicle-mounted vibrating motor, including the casing, the below of casing is equipped with the bottom bracket, and the upper surface of bottom bracket is equipped with FPC, and FPC's top is equipped with the coil, and the inside of casing is equipped with the quality piece, and the inside of quality piece is equipped with first magnet steel, and the upper and lower both sides of quality piece are connected through spring and casing and bottom bracket respectively, and the spring is the sheet structure. The spring of the utility model adopts a sheet structure, so that the cantilever of the spring can be very long, and the stress of the spring is greatly reduced, thereby effectively prolonging the service life of the motor; the utility model discloses a yoke and iron core increase the utilization ratio in motor magnetic field to increase the drive power of motor, after the motor outage, produce the vortex effect simultaneously, carry out the quick consumption to the vibration energy of motor, realize opening the effect of stopping fast.

Description

High-vibration-sense vehicle-mounted vibration motor

Technical Field

The utility model belongs to the technical field of vibrating motor, concretely relates to high vibration-sensing vehicle-mounted vibrating motor.

Background

The vibration motor is an indispensable component of electronic products such as mobile phones, tablet computers and electronic toys, and provides tactile feedback for users.

With the development of the market, the vehicle-mounted display screen. The vehicle touch control center control also starts to adopt a vibration motor as feedback, most of vibration motors in the existing market are mobile phones, products such as watches provide touch feedback, and the vibration sense of the products is 1.0Grms @100g tooling.

However, for the vehicle-mounted display screen and the vehicle-mounted touch control center control, the vibration quantity is insufficient, the vibration quantity is required to be applied to the vehicle-mounted touch sense, the vibration sense at least reaches 5Grms @100g tooling, and the service life of the vehicle-mounted vibration motor is required to be about 10 years and is 5 times of that of a mobile phone motor.

Therefore, a motor having an ultra-long life and an ultra-high vibration amount is required to cope with the market demand.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a high vibration-sensing vehicle-mounted vibrating motor has the characteristics that the vibration-sensing satisfies on-vehicle sense of touch and long service life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-vibration-sense vehicle-mounted vibration motor, includes the casing, and the below of casing is equipped with the lower carriage, and the upper surface of lower carriage is equipped with FPC, and FPC's top is equipped with the coil, and the inside of casing is equipped with the quality piece, and the inside of quality piece is equipped with first magnet steel, and the upper and lower both sides of quality piece are connected with casing and lower carriage through the spring respectively, and the spring is the sheet structure.

The anti-collision device is used for avoiding the yoke iron when the motor vibrates and preventing the spring from colliding with the yoke iron when the motor vibrates; adjusting the frequency of the motor and reducing the stress of the motor; can provide simultaneously for coil and FPC spot welding position dodge for the coil spot welding place can not be touchd in the time of the motor vibration, guarantee the reliability of coil spot welding, furtherly, the inside of spring is equipped with logical groove.

In order to provide a bonded bearing surface for the first magnetic steel, a gasket is further arranged at the bottom of the mass block.

In order to increase the utilization ratio of the motor magnetic field, thereby increasing the driving force of the motor, and simultaneously generating the eddy current effect after the motor is powered off, quickly consuming the vibration energy of the motor, realizing the effect of quickly starting and stopping, and further, an iron core positioned in the coil is arranged above the lower bracket.

In order to increase the utilization ratio of the magnetic field of the motor, thereby increasing the driving force of the motor, simultaneously generating an eddy current effect after the motor is powered off, quickly consuming the vibration energy of the motor, realizing the effect of quickly starting and stopping, and further arranging a yoke iron above the coil.

In order to be used for positioning during spring welding, the positioning pieces can be broken off after the welding is finished, so that the welding between the spring and the shell and between the spring and the lower bracket is facilitated.

In order to fully utilize the space in the length direction of the motor, further, the first magnetic steel is of a rectangular structure, a magnetic frame is arranged inside the mass block, the first magnetic steel is arranged inside the magnetic frame, and a pole piece is arranged at the bottom of the first magnetic steel.

In order to enable more magnetic induction lines to pass through the coils, the magnetic field utilization rate of the motor is increased, the driving of the motor is increased, furthermore, second magnetic steel is arranged at the bottom of the pole piece, and the magnetic pole direction of the second magnetic steel is opposite to that of the first magnetic steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the spring of the utility model adopts a sheet structure, so that the cantilever of the spring can be very long, and the stress of the spring is greatly reduced, thereby effectively prolonging the service life of the motor;

2. the utility model increases the utilization rate of the motor magnetic field through the iron core, thereby increasing the driving force of the motor, and simultaneously generating the vortex action after the motor is powered off, quickly consuming the vibration energy of the motor and realizing the effect of quick start and stop;

3. the utility model increases the utilization rate of the magnetic field of the motor through the yoke, thereby increasing the driving force of the motor, and simultaneously, after the motor is powered off, generating the vortex effect, quickly consuming the vibration energy of the motor, and realizing the effect of quick start and stop;

4. the utility model discloses the both sides of spring one end are equipped with the spacer respectively, are equipped with the groove of breaking in advance between spacer and the spring, and the spacer is used for the location when spring welding, and the groove of breaking in advance can break the spacer off with the fingers and thumb after the welding is accomplished absolutely, the welding of the spring of being convenient for and casing and bottom bracket.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic structural view of the spring of the present invention;

fig. 4 is a schematic view of the driving principle of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention;

fig. 6 is a schematic structural diagram of embodiment 4 of the present invention;

in the figure: 1. a housing; 2. a spring; 21. positioning a sheet; 22. pre-breaking the groove; 23. a through groove; 3. a gasket; 4. a coil; 5. FPC; 6. a lower bracket; 7. an iron core; 8. a yoke; 9. a mass block; 10. a first magnetic steel; 11. a magnetic frame; 12. pole pieces; 13. and a second magnetic steel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high-vibration-sense vehicle-mounted vibrating motor, includes casing 1, and the below of casing 1 is equipped with bottom bracket 6, and the upper surface of bottom bracket 6 is equipped with FPC5, and FPC 5's top is equipped with coil 4, and the inside of casing 1 is equipped with quality piece 9, and the inside of quality piece 9 is equipped with first magnet steel 10, and the upper and lower both sides of quality piece 9 are connected with casing 1 and bottom bracket 6 through spring 2 respectively, and spring 2 is the sheet structure.

Through adopting above-mentioned technical scheme, spring 2 adopts the lamellar structure, makes spring 2's cantilever can be very long, great reduction spring 2's stress to the effectual life who improves the motor.

Specifically, the inside of the spring 2 is provided with a through groove 23.

By adopting the technical scheme, the spring 2 is prevented from touching the yoke 8 when the motor vibrates, and the yoke 8 is avoided when the motor vibrates; adjusting the frequency of the motor and reducing the stress of the motor; meanwhile, avoidance can be provided for the spot welding positions of the coil 4 and the FPC5, so that the spot welding position of the coil cannot be touched when the motor vibrates, and the reliability of spot welding of the coil is guaranteed.

Specifically, the bottom of the mass block 9 is provided with a gasket 3, and the gasket 3 and the mass block 9 are welded by laser.

Through adopting above-mentioned technical scheme, provide the bearing face of bonding for first magnet steel 10.

Specifically, an iron core 7 located inside the coil 4 is arranged above the lower bracket 6, and the iron core 7 is welded on a positioning hole of the lower bracket 6 through laser.

Through adopting above-mentioned technical scheme, increase the utilization ratio in motor magnetic field through iron core 7 to increase the drive power of motor, after the motor outage, produce the vortex effect simultaneously, carry out quick consumption to the vibration energy of motor, realize opening the effect of stopping fast.

Specifically, a yoke 8 is arranged above the coil 4, and the yoke 8 is bonded above the coil 4 through glue.

Through adopting above-mentioned technical scheme, increase the utilization ratio in motor magnetic field through yoke 8 to increase the drive power of motor, after the motor outage, produce the vortex effect simultaneously, carry out quick consumption to the vibration energy of motor, realize opening the effect of stopping fast.

Example 2

The present embodiment is different from embodiment 1 in that: specifically, two sides of one end of each spring 2 are respectively provided with a positioning piece 21, a pre-breaking groove 22 is formed between each positioning piece 21 and each spring 2, one end, provided with the positioning piece 21, of each spring 2 is welded with the convex hull on the lower bracket 6, the other end of each spring 2 is welded with the mass block 9, one end, provided with the positioning piece 21, of the other spring 2 is welded with the convex hull on the shell 1, and the other end of each spring is welded with the mass block 9.

By adopting the technical scheme, the positioning sheet 21 is used for positioning when the spring 2 is welded, and the pre-breaking groove 22 can break the positioning sheet 21 off after the welding is finished, so that the spring 2 can be conveniently welded with the shell 1 and the lower bracket 6.

Example 3

Referring to fig. 5, the present embodiment is different from embodiment 1 in that: specifically, first magnet steel 10 is of a rectangular structure, a magnetic frame 11 is arranged inside mass block 9, first magnet steel 10 is arranged inside magnetic frame 11, and pole piece 12 is arranged at the bottom of first magnet steel 10.

Through adopting above-mentioned technical scheme, the first magnet steel 10 of rectangle structure can make full use of the ascending space of motor length direction, and the lower carriage can adopt the structure of non-magnetic conductivity in this embodiment for the high easy control of motor oscillator (because the magnet steel of oscillator can not receive the suction influence of casing or lower carriage).

Example 4

Referring to fig. 6, the difference between the present embodiment and embodiment 3 is: specifically, the bottom of the pole piece 12 is provided with a second magnetic steel 13, and the magnetic pole direction of the second magnetic steel 13 is opposite to the magnetic pole direction of the first magnetic steel 10.

By adopting the technical scheme, the magnetic pole pair can repel the paramagnetic field, so that more magnetic induction lines pass through the coil, the magnetic field utilization rate of the motor is increased, and the motor drive is increased.

In summary, the spring 2 of the utility model adopts a sheet structure, so that the cantilever of the spring 2 can be very long, and the stress of the spring 2 is greatly reduced, thereby effectively prolonging the service life of the motor; the utility model increases the utilization rate of the motor magnetic field through the iron core 7, thereby increasing the driving force of the motor, and simultaneously, after the motor is powered off, generating the vortex effect, quickly consuming the vibration energy of the motor, and realizing the effect of quick start and stop; the utility model increases the utilization rate of the magnetic field of the motor through the yoke iron 8, thereby increasing the driving force of the motor, and simultaneously generating the vortex action after the motor is powered off, quickly consuming the vibration energy of the motor and realizing the effect of quick start and stop; the utility model discloses the both sides of 2 one ends of spring are equipped with spacer 21 respectively, are equipped with between spacer 21 and the spring 2 and break groove 22 in advance, and spacer 21 is used for the location when spring 2 welds, and break groove 22 in advance can break spacer 21 off with the fingers and thumb after the welding is accomplished absolutely, the welding of the spring 2 of being convenient for and casing 1 and bottom bracket 6.

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 may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-vibration-sense vehicle-mounted vibration motor, includes the casing, its characterized in that: the lower part of casing is equipped with the bottom bracket, and the upper surface of bottom bracket is equipped with FPC, and FPC's top is equipped with the coil, and the inside of casing is equipped with the quality piece, and the inside of quality piece is equipped with first magnet steel, and the upper and lower both sides of quality piece are connected with casing and bottom bracket through the spring respectively, and the spring is the sheet structure.

2. The vehicle-mounted vibration motor with high vibration feeling as claimed in claim 1, wherein: a through groove is formed in the spring.

3. The vehicle-mounted vibration motor with high vibration feeling as claimed in claim 1, wherein: and a gasket is arranged at the bottom of the mass block.

4. The vehicle-mounted vibration motor with high vibration feeling as claimed in claim 1, wherein: and an iron core positioned in the coil is arranged above the lower bracket.

5. The vehicle-mounted vibration motor with high vibration feeling as claimed in claim 1, wherein: and a yoke iron is arranged above the coil.

6. The vehicle-mounted vibration motor with high vibration feeling as claimed in claim 1, wherein: and positioning pieces are respectively arranged on two sides of one end of the spring, and a pre-breaking groove is arranged between each positioning piece and the spring.

7. The vehicle-mounted vibration motor with high vibration feeling as claimed in claim 1, wherein: the first magnetic steel is of a rectangular structure, a magnetic frame is arranged inside the mass block, the first magnetic steel is arranged inside the magnetic frame, and a pole piece is arranged at the bottom of the first magnetic steel.

8. The vehicle-mounted vibration motor with high vibration feeling of claim 7, wherein: the bottom of pole piece is equipped with the second magnet steel, and the magnetic pole direction of second magnet steel is opposite with the magnetic pole direction of first magnet steel.