CN112187003A

CN112187003A - Moving-magnet type reciprocating magnetic attraction linear vibration motor

Info

Publication number: CN112187003A
Application number: CN202011039738.0A
Authority: CN
Inventors: 梁旭; 刘宗瑾; 王泉; 王洪雨; 王庆燕
Original assignee: Yangzhou Baofei Vibrator Manufacturing Co ltd Ust
Current assignee: Yangzhou Baofei Vibrator Manufacturing Co ltd Ust
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-05
Anticipated expiration: 2040-09-28
Also published as: CN112187003B

Abstract

The invention belongs to the technical field of vibration motors, and particularly relates to a moving-magnet type reciprocating magnetic attraction linear vibration motor which comprises a motor shell, wherein a driving coil is fixedly connected to the inner top wall of the motor shell, a limiting rod is fixedly connected to the inner wall of the motor shell, and a sliding sleeve is connected to the surface of the limiting rod in a sliding mode. The invention uses the first magnetic block, the second magnetic block, the telescopic rod, the reset spring and the protection plate in a matching way, so that the influence of the failure or fatigue of the reset spring of the traditional vibration motor on the performance and the service life of the motor can be effectively avoided by utilizing the repulsive force of the first magnetic block and the second magnetic block and the elastic force of the reset spring, thereby effectively improving the working performance of the vibration motor.

Description

Moving-magnet type reciprocating magnetic attraction linear vibration motor

Technical Field

The invention relates to the technical field of vibrating motors, in particular to a moving-magnet type reciprocating magnetic attraction linear vibrating motor.

Background

With the development of electronic technology, portable consumer electronic products, such as mobile phones, handheld game consoles, navigation devices, handheld multimedia entertainment devices, etc., are more and more sought after by people, and these electronic products generally use a vibration motor for system feedback.

However, the conventional vibration motor has the following problems:

1. when the vibrating motor is used for a long time, the reset spring in the vibrating motor is easy to fatigue or lose efficacy, so that the working performance of the vibrating motor is influenced, the practicability is poor, meanwhile, when the vibrating motor runs, a large amount of heat is easy to generate, the heat dissipation effect is poor, elements in the vibrating motor are also influenced to be damaged, and the service life of the vibrating motor is shortened;

2. fix through the screw between general end cover and the motor housing, when dismantling the end cover, need carry out the wrench movement to the screw through the instrument for the end cover is more wasted time and energy when dismantling, has also increased staff's the amount of labour simultaneously.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a moving-magnet type reciprocating magnetic attraction linear vibration motor, which solves the problems that when the conventional vibration motor is used for a long time, a return spring in the vibration motor is easy to fatigue or lose efficacy, and the end cover is inconvenient to disassemble.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a moving-magnet type reciprocating magnetic attraction linear vibration motor comprises a motor shell, wherein a driving coil is fixedly connected to the inner top wall of the motor shell, a limiting rod is fixedly connected to the inner wall of the motor shell, a sliding sleeve is slidably connected to the surface of the limiting rod, a connecting rod is fixedly connected to the surface of the sliding sleeve, a vibrating piece is fixedly connected to the end portion of the connecting rod, balancing weights are fixedly connected to two ends of the vibrating piece, a first magnetic block is fixedly connected to one side of each balancing weight, fixing rings are fixedly connected to two ends of the motor shell, an end cover is arranged on one side of each fixing ring, a fixing plate is fixedly connected to the inner wall of each end cover, a second magnetic block is fixedly connected to one side of each fixing plate, a telescopic rod is fixedly connected to one side of each second magnetic block, a reset spring is sleeved on the surface, the heat dissipation hole is formed in the fixing plate, the heat dissipation fan is fixedly connected to the other side of the fixing plate, the fixing groove is formed in the fixing ring, the limiting plate is connected to the inner wall of the fixing groove in a sliding mode, one side of the limiting plate is fixedly connected with the end surface of the end cover, the limiting hole is formed in the surface of the limiting plate, the locating plate is fixedly connected to the surface of the fixing ring, the fixing rod is connected to the inner portion of the locating plate in a sliding mode, the end portion of the fixing rod is connected with the inner wall of the limiting hole in a clamping mode, the limiting ring is fixedly connected to.

As a preferred technical scheme of the invention, one side of the end cover is provided with a heat dissipation groove, and the inner wall of the heat dissipation groove is fixedly connected with a filter screen.

As a preferable technical scheme of the invention, the upper surface of the motor shell is fixedly connected with a junction box and a hook, and the hook is arranged on the right side of the junction box.

As a preferable technical scheme of the invention, the lower surface of the motor shell is fixedly connected with an installation plate, and an installation groove is formed in the installation plate.

As a preferable technical scheme, the end cover is internally provided with a positioning groove, the inner wall of the positioning groove is connected with a positioning rod in a sliding manner, and one end of the positioning rod is fixedly connected with one side of the fixing ring.

As a preferable technical scheme of the invention, the top end of the fixed rod is fixedly connected with four pull rings.

As a preferred technical scheme of the invention, the other side of the fixing ring is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding manner, and one side of the sliding block is fixedly connected with the surface of the limiting ring.

As a preferable technical solution of the present invention, the first magnetic block corresponds to the protection plate in position, and both the first magnetic block and the protection plate are circular in shape.

(III) advantageous effects

Compared with the prior art, the invention provides a moving-magnet type reciprocating magnetic attraction linear vibration motor which has the following beneficial effects:

1. this move reciprocal magnetic attraction of magnetic formula straight line vibrating motor, it is fast through first magnetism, the second magnetism is fast, the telescopic link, cooperation between reset spring and the guard plate is used, be the elasticity in order to utilize first magnetism piece and second magnetism piece repulsion force and reset spring, can effectively avoid this traditional vibrating motor reset spring inefficacy or tired to produce the influence to motor performance and life-span, thereby promoted this vibrating motor's working property effectively, the practicality is stronger, through radiator fan and louvre, can cool down the processing to the inside component of motor housing, thereby prevent that this motor from the problem that the high temperature leads to this motor to damage when the operation, the life of this motor has been improved.

2. This reciprocal magnetic attraction linear vibration motor of moving-magnet formula, through the use of locating lever and constant head tank, be for convenient can effectively fix a position between end cover and the solid fixed ring, then through the cooperation of fixed slot, limiting plate, dead lever, locating plate, spacing ring and fixed spring, can improve the fixed effect between this end cover and the motor housing, it is more convenient when also making things convenient for this motor to install simultaneously and dismantle, has reduced people's the amount of labour.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of FIG. 1 taken at B in accordance with the present invention;

FIG. 5 is an enlarged view of the invention at C in FIG. 1.

In the figure: 1. a motor housing; 2. a drive coil; 3. a limiting rod; 4. a sliding sleeve; 5. a connecting rod; 6. a vibrating member; 7. a balancing weight; 8. a first magnetic block; 9. a fixing ring; 10. an end cap; 11. a fixing plate; 12. a second magnetic block; 13. a telescopic rod; 14. a return spring; 15. a protection plate; 16. heat dissipation holes; 17. a heat radiation fan; 18. fixing grooves; 19. a limiting plate; 20. a limiting hole; 21. positioning a plate; 22. fixing the rod; 23. a limiting ring; 24. fixing the spring; 25. a heat sink; 26. a filter screen; 27. a junction box; 28. hooking; 29. mounting a plate; 30. mounting grooves; 31. positioning a groove; 32. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a moving-magnet type reciprocating magnetic attraction linear vibration motor comprises a motor shell 1, wherein a driving coil 2 is fixedly connected to the inner top wall of the motor shell 1, a limiting rod 3 is fixedly connected to the inner wall of the motor shell 1, a sliding sleeve 4 is slidably connected to the surface of the limiting rod 3, a connecting rod 5 is fixedly connected to the surface of the sliding sleeve 4, a vibrating piece 6 is fixedly connected to the end portion of the connecting rod 5, two ends of the vibrating piece 6 are fixedly connected with a balancing weight 7, one side of the balancing weight 7 is fixedly connected with a first magnetic block 8, two ends of the motor shell 1 are fixedly connected with a fixing ring 9, one side of the fixing ring 9 is provided with an end cover 10, the inner wall of the end cover 10 is fixedly connected with a fixing plate 11, one side of the fixing plate 11 is fixedly connected with a second magnetic block 12, one side of the second magnetic block 12 is fixedly connected with a, louvre 16 has been seted up to the inside of fixed plate 11, opposite side fixedly connected with radiator fan 17 of fixed plate 11, fixed slot 18 has been seted up to the inside of solid fixed ring 9, the inner wall sliding connection of fixed slot 18 has limiting plate 19, one side of limiting plate 19 and the end fixed surface of end cover 10 are connected, spacing hole 20 has been seted up on the surface of limiting plate 19, gu fixed surface of fixed ring 9 is connected with locating plate 21, the inside sliding connection of locating plate 21 has dead lever 22, the tip of dead lever 22 and the inner wall joint of spacing hole 20, the fixed surface of dead lever 22 is connected with spacing ring 23, fixed spring 24 has been cup jointed on the surface.

In this embodiment, produce magnetism through drive coil 2 circular telegram, move about for the convenience to this vibrating piece 6, use through first magnetism piece 8 and second magnetism piece 12, can effectively avoid this vibrating motor reset spring 14 inefficacy or tired to produce the influence to motor performance and life-span, be for the convenience to carry out the heat dissipation through radiator fan 17 to the inside of this motor housing 1 and handle, and then improved this vibrating motor's heat dispersion, make this vibrating motor's working property more ideal, pulling through dead lever 22, make spacing ring 23 extrusion fixed spring 24, be for the convenience the inner wall that dead lever 22 breaks away from spacing hole 20, it is more convenient when dismantling end cover 10.

Specifically, a heat dissipation groove 25 is formed in one side of the end cover 10, and a filter screen 26 is fixedly connected to the inner wall of the heat dissipation groove 25.

In this embodiment, the heat that can produce this motor through radiating groove 25 effectively discharges, has improved the radiating effect of motor, and filter screen 26 is the inside in order to prevent that the dust from getting into motor housing 1, effectively avoids the operation of dust influence this motor, and then has prolonged the life of motor.

Specifically, the upper surface of the motor housing 1 is fixedly connected with a junction box 27 and a hook 28, and the hook 28 is arranged on the right side of the junction box 27.

In this embodiment, the wiring with the driving coil 2 can be conveniently performed through the wiring box 27, so that the convenience of the motor in operation is ensured, and the motor can be conveniently hoisted through the hook 28.

Specifically, the lower surface of the motor housing 1 is fixedly connected with a mounting plate 29, and a mounting groove 30 is formed in the mounting plate 29.

In this embodiment, the mounting plate 29 and the mounting groove 30 are used to fix the motor more stably during use.

Specifically, the positioning groove 31 is formed in the end cover 10, the positioning rod 32 is connected to the inner wall of the positioning groove 31 in a sliding mode, and one end of the positioning rod 32 is fixedly connected with one side of the fixing ring 9.

In this embodiment, the positioning groove 31 and the positioning rod 32 are arranged to cooperate with each other, so that the end cap 10 and the fixing ring 9 can be mounted and dismounted more conveniently.

Specifically, the top end of the fixing rod 22 is fixedly connected with four pull rings.

In this embodiment, the fixing rod 22 is more time-saving and labor-saving when moving due to the use of the pull ring.

Specifically, the other side of the fixing ring 9 is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding manner, and one side of the sliding block is fixedly connected with the surface of the limiting ring 23.

In this embodiment, the slider is arranged to limit the limiting ring 23, and slides on the inner wall of the sliding groove, so that the fixing rod 22 is more stable in the moving process, and the limiting effect of the fixing rod 22 on the limiting hole 20 is improved.

Specifically, the first magnetic block 8 corresponds to the protection plate 15, and the first magnetic block 8 and the protection plate 15 are both circular.

In this embodiment, the first magnetic block 8 corresponds to the protection plate 15 in position, so that the vibrating member 6 can be quickly restored to the original position and then moved to the other side, thereby improving the working performance of the motor.

The working principle and the using process of the invention are as follows: firstly, the driving coil 2 is electrified to generate magnetism, so that the vibrating piece 6 can move left and right, the vibrating piece 6 drives the sliding sleeve 4 to slide on the surface of the limiting rod 3 through the connecting rod 5, in order to enable the vibrating piece 6 to be relatively stable in reciprocating motion, when the first magnetic block 8 is contacted with the protection plate 15, the protection plate 15 enables the telescopic rod 13 and the reset spring 14 to be mutually compressed, in order to utilize the repulsive force of the first magnetic block 8 and the second magnetic block 12 and the elastic force of the reset spring 14, so that the vibrating piece 6 can be quickly restored to the original position and further move to the other side, through the reciprocating motion of the vibrating piece 6, a vibration effect is generated, meanwhile, the influence of the failure or fatigue of the reset spring 14 of the traditional vibrating motor on the performance and the service life of the motor can be avoided, thereby effectively improving the working performance of the vibrating motor, when the internal temperature of the motor shell, through radiator fan 17 and louvre 16's cooperation, can cool down the processing to this motor housing 1's inside, the inside heat of motor housing 1 is discharged through radiating groove 25, make this vibrating motor have good heat dispersion, and then this vibrating motor's life has also been prolonged, when dismantling end cover 10, stimulate dead lever 22 through the pull ring, the slider on spacing ring 23 surface slides at the inner wall of spout, spacing ring 23 extrudes fixing spring 24, elasticity through fixing spring 24, make the tip of dead lever 22 can break away from the inner wall of spacing hole 20, thereby conveniently dismantle end cover 10.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 move reciprocal magnetic attraction linear vibration motor of magnetic type, includes motor housing (1), its characterized in that: the inner top wall of the motor shell (1) is fixedly connected with a driving coil (2), the inner wall of the motor shell (1) is fixedly connected with a limiting rod (3), the surface of the limiting rod (3) is connected with a sliding sleeve (4) in a sliding manner, the surface of the sliding sleeve (4) is fixedly connected with a connecting rod (5), the end part of the connecting rod (5) is fixedly connected with a vibrating piece (6), two ends of the vibrating piece (6) are fixedly connected with a balancing weight (7), one side of the balancing weight (7) is fixedly connected with a first magnetic block (8), two ends of the motor shell (1) are fixedly connected with a fixing ring (9), one side of the fixing ring (9) is provided with an end cover (10), the inner wall of the end cover (10) is fixedly connected with a fixing plate (11), one side of the fixing plate (11) is, one side of the second magnetic block (12) is fixedly connected with a telescopic rod (13), the surface of the telescopic rod (13) is sleeved with a reset spring (14), the end part of the telescopic rod (13) is fixedly connected with a protection plate (15), the inside of the fixing plate (11) is provided with a heat dissipation hole (16), the other side of the fixing plate (11) is fixedly connected with a heat dissipation fan (17), the inside of the fixing ring (9) is provided with a fixing groove (18), the inner wall of the fixing groove (18) is slidably connected with a limiting plate (19), one side of the limiting plate (19) is fixedly connected with the end surface of the end cover (10), the surface of the limiting plate (19) is provided with a limiting hole (20), the surface of the fixing ring (9) is fixedly connected with a positioning plate (21), the inside of the positioning plate (21) is slidably connected with a fixing rod (22), and the end part, the surface of the fixing rod (22) is fixedly connected with a limiting ring (23), and the surface of the fixing rod (22) is sleeved with a fixing spring (24).

2. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: a heat dissipation groove (25) is formed in one side of the end cover (10), and a filter screen (26) is fixedly connected to the inner wall of the heat dissipation groove (25).

3. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: the upper surface of the motor shell (1) is fixedly connected with a junction box (27) and a hook (28), and the hook (28) is arranged on the right side of the junction box (27).

4. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: the lower surface fixed connection of motor housing (1) has mounting panel (29), mounting groove (30) have been seted up to the inside of mounting panel (29).

5. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: locating slot (31) has been seted up to the inside of end cover (10), the inner wall sliding connection of locating slot (31) has locating lever (32), the one end of locating lever (32) and one side fixed connection of solid fixed ring (9).

6. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: the top end of the fixed rod (22) is fixedly connected with pull rings, and the number of the pull rings is four.

7. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: the other side of the fixing ring (9) is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with the surface of the limiting ring (23).

8. The moving-magnet type reciprocating magnetic attraction linear vibration motor according to claim 1, characterized in that: the positions of the first magnetic block (8) and the protection plate (15) correspond to each other, and the first magnetic block (8) and the protection plate (15) are both circular in shape.