CN112688467A

CN112688467A - Miniature flat vibrating motor

Info

Publication number: CN112688467A
Application number: CN202011553567.3A
Authority: CN
Inventors: 刘弟军; 刘培刚
Original assignee: Hubei Henggao Electronic Co ltd
Current assignee: Shiyan Sanyou Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-20
Anticipated expiration: 2040-12-24
Also published as: CN112688467B

Abstract

The invention discloses a miniature flat vibration motor, which comprises an upper shell, a lower shell, a plastic package part, a magnet, an elastic part, a coil and a flexible circuit board, wherein the upper shell is positioned on the top surface of the lower shell, the flexible circuit board is positioned on the top surface of the lower shell, one side of the flexible circuit board is positioned outside the upper shell, inserting columns are symmetrically arranged on the surfaces of two ends of the lower shell in a penetrating manner, one ends of the inserting columns extend into the lower shell, inserting slots matched with one ends of the inserting columns are symmetrically arranged on the surface of the lower shell, U-shaped frames are fixed on the surfaces of two ends of the upper shell, the inserting columns are slidably arranged inside the U-shaped frames in a penetrating manner, spring sleeves are arranged inside the U-shaped frames, the spring sleeves are sleeved outside the inserting columns, one ends of the spring sleeves are fixedly connected with the inner side surfaces of the U-shaped frames, and the other; through inserting post, the slot that sets up, be favorable to consolidating the junction between upper casing and the lower casing on the vibrating motor, prevent to take place not hard up, guaranteed vibrating motor's normal use.

Description

Miniature flat vibrating motor

Technical Field

The invention relates to the technical field of miniature vibration motors, in particular to a miniature flat vibration motor.

Background

With the development of communication technology, more and more electronic products enter people's lives, especially portable consumer electronic products, such as mobile phones, handheld game consoles or handheld multimedia entertainment devices, and in these portable consumer electronic products, a miniature vibration motor is generally used for vibration feedback, such as incoming call prompt of mobile phones, vibration feedback of game consoles, and the like. The conventional flat motor mostly adopts a brush contact type to change the current direction, which results in short service life, low reliability and high risk of spark generation, while the flat vibration motor does not have the defect of spark generation due to commutation, and the brushless flat vibration motor is gradually adopted by more and more electronic products instead of the brush flat motor.

However, various problems still exist in the use process of various miniature flat vibration motors in the market, and the problems that the connection between the upper shell and the lower shell of the existing vibration motor is not firm, the connection part of the upper shell and the lower shell is easy to loosen, the connection part is not reinforced, and the normal use of the vibration motor cannot be guaranteed are not solved, so that the miniature flat vibration motor is provided.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the miniature flat vibrating motor, and through the arranged inserting columns and the inserting grooves, the loose connection between the upper shell and the lower shell of the vibrating motor is effectively avoided, the upper shell and the lower shell are favorably reinforced, the looseness of the connection part of the upper shell and the lower shell is prevented, and the normal use of the vibrating motor is ensured.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a miniature flat vibrating motor, includes upper casing, lower casing, plastic-sealed piece, magnet, elastic component, coil, flexible circuit board, the upper casing is located the top surface of lower casing, flexible circuit board is located the top surface of lower casing, and one side of flexible circuit board is located the outside of upper casing, the both ends surface symmetry of lower casing is worn to be equipped with and is inserted the post, and the one end of inserting the post extends to the inside of lower casing, the surface symmetry of lower casing is seted up and is inserted post one end assorted slot, the both ends fixed surface of upper casing is equipped with the U-shaped frame, and inserts the post and slide and wear to locate the inside of U-shaped frame, the inside of U-shaped frame is provided with the spring housing, the spring housing cover is established in the outside of inserting the post, the one end of spring housing and the inboard fixed surface of U-shaped frame are connected, the other end of spring housing with insert post fixed connection.

As a preferred technical scheme of the invention, a protection plate is arranged on one side surface of the upper casing and is positioned at the top of the flexible circuit board, an arc-shaped groove matched with one end of the protection plate is formed on one side surface of the upper casing, an installation groove is formed on one side surface of the upper casing and is communicated with the arc-shaped groove, a spring is fixed inside the installation groove, a fixture block is fixed at the bottom end of the spring, the tail end of the fixture block extends into the protection plate, a clamping groove matched with the tail end of the fixture block is formed in the top surface of the protection plate, a pull block is arranged on one side surface of the fixture block and penetrates through the installation groove.

As a preferable technical scheme of the invention, a pull handle is fixed on the surface of one end of the insertion column positioned outside the upper shell, and anti-skid grains are arranged on the surface of the pull handle.

As a preferable technical solution of the present invention, a raised pattern is provided on a surface of one end of the pull block located outside the upper housing, and the raised pattern is in a "W" shape.

As a preferable technical scheme of the invention, the side view of the protection plate is in an L shape, and the inner side surface of the protection plate is provided with a cleaning brush.

As a preferred technical scheme of the present invention, the surface of the upper housing is provided with a model label, and the model label is fixedly connected with the upper housing through an adhesive.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. through the arranged inserting columns and the inserting grooves, the problem that the upper shell and the lower shell of the vibrating motor are not tightly connected is effectively avoided, the vibrating motor is reinforced, the connection part of the upper shell and the lower shell is prevented from loosening, and the normal use of the vibrating motor is ensured;

2. through the guard plate that sets up, effectively avoided on the vibrating motor one side of flexible circuit board to expose outside, its surface falls the ash easily, influences follow-up use, is favorable to protecting the flexible circuit board, and then has prolonged vibrating motor's life.

Drawings

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

FIG. 2 is a partial front sectional view of the upper housing and the lower housing of FIG. 1 in accordance with the present invention;

FIG. 3 is a side sectional view of the upper housing and the lower housing of FIG. 1;

FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention;

wherein: 1. an upper housing; 2. a lower housing; 3. molding the part; 4. a magnet; 5. an elastic member; 6. a coil; 7. inserting a column; 8. a slot; 9. a spring housing; 10. a U-shaped frame; 11. pulling a handle; 12. a flexible circuit board; 13. a protection plate; 14. mounting grooves; 15. a spring; 16. a clamping block; 17. a card slot; 18. and (5) pulling the block.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 2, a micro flat vibration motor includes an upper casing 1, a lower casing 2, a plastic package 3, a magnet 4, an elastic member 5, a coil 6, and a flexible circuit board 12, wherein the upper casing 1 is positioned on the top surface of the lower casing 2, the flexible circuit board 12 is positioned on the top surface of the lower casing 2, one side of the flexible circuit board 12 is positioned outside the upper shell 1, the two end surfaces of the lower shell 2 are symmetrically penetrated with inserting columns 7, one end of the inserting column 7 extends to the inside of the lower casing 2, the surface of the lower casing 2 is symmetrically provided with a slot 8 matched with one end of the inserting column 7, the two end surfaces of the upper casing 1 are fixed with a U-shaped frame 10, the inserting column 7 penetrates through the inside of the U-shaped frame 10 in a sliding mode, a spring sleeve 9 is arranged inside the U-shaped frame 10, the spring sleeve 9 is sleeved outside the inserting column 7, one end of the spring sleeve 9 is fixedly connected with the inner side surface of the U-shaped frame 10, and the other end of the spring sleeve 9 is fixedly connected with the inserting column 7;

the stator component comprises a flexible circuit board 12 and coils 6, the rotor component comprises an elastic part 5, a magnet 4 and a plastic package part 3, the coils 6 are in two hollow ellipses, the two coils 6 are bonded or glued on the flexible circuit board 12 and correspond to the magnet 4 of the rotor component, when a power supply is connected, the coils 6 and the magnet 4 generate magnetic field force, the rotor component swings left and right, and the resilience force of the elastic part 5 is added, so that the flat vibration motor generates resonance, the driving force and the vibration experience of the motor are enhanced, when the upper machine shell 1 and the lower machine shell 2 on the vibration motor are installed, firstly, one ends of two groups of inserting columns 7 are pulled, the spring sleeves 9 are compressed while the inserting columns 7 are pulled, then the upper machine shell 1 is sleeved on the top surface of the lower machine shell 2, so that the bottom surface of the lower machine shell 2 and the bottom surface of the upper machine shell 1 are positioned on the same horizontal line, then the inserting columns 7 are loosened, and one ends of the inserting, thereby strengthened being connected between upper casing 1 and the lower casing 2, through the post 7 of inserting, slot 8 that set up, effectively avoided being connected between upper casing 1 and the lower casing 2 on the vibrating motor and not fastened, be favorable to consolidating it, prevent that the junction of upper casing 1 and lower casing 2 from taking place to become flexible, guaranteed vibrating motor's normal use.

In another embodiment, the embodiment discloses a protection manner of a flexible circuit board 12 on a motor, as shown in fig. 1, fig. 3 and fig. 4, a protection plate 13 is disposed on a side surface of an upper case 1, the protection plate 13 is located on a top of the flexible circuit board 12, an arc-shaped groove matched with one end of the protection plate 13 is disposed on a side surface of the upper case 1, an installation groove 14 is disposed on a side surface of the upper case 1, the installation groove 14 is communicated with the arc-shaped groove, a spring 15 is fixed inside the installation groove 14, a fixture block 16 is fixed at a bottom end of the spring 15, a tail end of the fixture block 16 extends into the protection plate 13, a clamping groove 17 matched with the tail end of the fixture block 16 is disposed on a top surface of the protection plate 13, a pulling block 18 is disposed on a side;

when the flexible circuit board is used, when the flexible circuit board 12 needs to be protected, firstly, the pulling block 18 is pulled upwards, the pulling block 18 drives the clamping block 16 to move upwards, then the spring 15 is extruded, the spring 15 is compressed, then one end of the protection plate 13 is inserted into the arc-shaped groove, the pulling block 18 is loosened, the tail end of the clamping block 16 is clamped into the clamping groove 17 by means of the elastic force of the spring 15, so that the connection between the upper shell 1 and the protection plate 13 is fixed, the protection plate 13 is arranged at the top of the flexible circuit board 12, when the flexible circuit board 12 needs to be used, namely the protection plate 13 needs to be detached, similarly, the pulling block 18 is pulled upwards, the pulling block 18 drives the clamping block 16 to move upwards, the tail end of the clamping block 16 leaves the inside of the clamping groove 17, then one end of the protection plate 13 is pulled out of the inside of the arc-shaped groove, through the arranged protection plate 13, one side of, the surface of the vibrating motor is easy to fall ash, so that subsequent use is influenced, the flexible circuit board 12 is protected, and the service life of the vibrating motor is prolonged.

In another embodiment, the embodiment discloses a pull handle 11 arranged on the surface of one end of the insert post 7 positioned outside the upper machine case 1 and anti-skid grains arranged on the surface of the pull handle 11, as shown in fig. 1, the pull handle 11 is fixed on the surface of one end of the insert post 7 positioned outside the upper machine case 1, and the surface of the pull handle 11 is provided with the anti-skid grains;

through the pull handle 11 arranged on the surface of one end of the inserted column 7 positioned outside the upper machine shell 1 and the anti-skid grains arranged on the surface of the pull handle 11, one end of the inserted column 7 is convenient to pull.

In another embodiment, the embodiment discloses a "W" shaped raised pattern disposed on one end surface of the pull block 18 located outside the upper housing 1, as shown in fig. 1, one end surface of the pull block 18 located outside the upper housing 1 is provided with a raised pattern, and the raised pattern is in the shape of a "W";

the W-shaped raised grains arranged on the surface of one end, positioned outside the upper machine shell 1, of the pull block 18 are convenient to pull to play a role in skid resistance when the pull block 18 is pulled.

In another embodiment, the embodiment discloses a shape of the protection plate 13 and a cleaning brush arranged on the inner side surface of the protection plate 13, as shown in fig. 3, the protection plate 13 is L-shaped in side view, and the cleaning brush is arranged on the inner side surface of the protection plate 13;

the shape through setting up guard plate 13 is "L" shape, is convenient for better shelter from flexible circuit board 12, and the clean brush that 13 inboard side surfaces of guard plate set up can be cleared up the dust on flexible circuit board 12 surface behind the convenient to detach guard plate 13.

In another embodiment, the present embodiment discloses a model label fixed on the surface of the upper housing 1 by an adhesive, as shown in fig. 1, the surface of the upper housing 1 is provided with the model label, and the model label is fixedly connected with the upper housing 1 by the adhesive;

the model label fixed on the surface of the upper machine shell 1 through the adhesive is convenient for explaining the model of the motor to a certain extent.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a miniature flat vibrating motor, includes upper casing (1), lower casing (2), plastic-sealed piece (3), magnet (4), elastic component (5), coil (6), flexible circuit board (12), upper casing (1) is located the top surface of lower casing (2), flexible circuit board (12) are located the top surface of lower casing (2), and one side of flexible circuit board (12) is located the outside of upper casing (1), its characterized in that: the utility model discloses a cabinet, including lower casing (2), the both ends surface symmetry of lower casing (2) is worn to be equipped with and is inserted post (7), and the one end of inserting post (7) extends to the inside of lower casing (2), the surface symmetry of lower casing (2) is seted up and is inserted post (7) one end assorted slot (8), the both ends fixed surface of going up casing (1) is equipped with U-shaped frame (10), and inserts the inside that post (7) slided to wear to locate U-shaped frame (10), the inside of U-shaped frame (10) is provided with spring housing (9), the outside of inserting post (7) is established in spring housing (9) cover, the inboard fixed surface who is connected of one end and U-shaped frame (10) of spring housing (9), the other end and the post (7) fixed connection of inserting of spring housing (9).

2. A miniature flat vibration motor as claimed in claim 1, wherein: a side surface of upper casing (1) is provided with guard plate (13), and guard plate (13) are located the top of flexible circuit board (12), a side surface of upper casing (1) seted up with guard plate (13) one end assorted arc wall, mounting groove (14) have been seted up to a side surface of upper casing (1), and mounting groove (14) communicate with each other with the arc wall, the inside of mounting groove (14) is fixed with spring (15), the bottom mounting of spring (15) has fixture block (16), the end of fixture block (16) extends to the inside of guard plate (13), the top surface of guard plate (13) is seted up with terminal assorted draw-in groove (17) of fixture block (16), a side surface of fixture block (16) is provided with draws piece (18), and draws piece (18) to run through in the inside of mounting groove (14).

3. A miniature flat vibration motor as claimed in claim 1, wherein: a pull handle (11) is fixed on the surface of one end, located outside the upper machine shell (1), of the inserting column (7), and anti-skid grains are arranged on the surface of the pull handle (11).

4. A miniature flat vibration motor as claimed in claim 2, wherein: the surface of one end, positioned outside the upper machine shell (1), of the pulling block (18) is provided with raised grains, and the shapes of the raised grains are W-shaped.

5. A miniature flat vibration motor as claimed in claim 2, wherein: the side view shape of protection plate (13) is "L" shape, and the inside surface of protection plate (13) is provided with the cleaning brush.

6. A miniature flat vibration motor as claimed in claim 1, wherein: the surface of upper housing (1) is provided with the model label, and the model label passes through viscose and upper housing (1) fixed connection.