CN112688467B

CN112688467B - Miniature flat vibrating motor

Info

Publication number: CN112688467B
Application number: CN202011553567.3A
Authority: CN
Inventors: 刘弟军; 刘培刚
Original assignee: Shiyan Sanyou Technology Co ltd
Current assignee: Shiyan Sanyou Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2023-04-14
Anticipated expiration: 2040-12-24
Also published as: CN112688467A

Abstract

The invention discloses a miniature flat vibrating 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 arranged in the U-shaped frames in a penetrating manner in a sliding manner, spring sleeves are arranged in 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 ends of the spring sleeves are fixedly connected with the inserting columns; through the inserted columns and the slots which are arranged, the joint between the upper casing and the lower casing of the vibrating motor is reinforced, looseness is prevented, and normal use of the vibrating motor is guaranteed.

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 miniature flat vibrating motors in the market still have various problems in the use process, and the problems that the upper shell and the lower shell of the existing vibrating motor are not connected tightly, the joint of the upper shell and the lower shell is easy to loosen, the joint is not reinforced, and the normal use of the vibrating motor cannot be guaranteed are not solved, so that the miniature flat vibrating 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 enclosure, lower casing, plastic-sealed piece, magnet, elastic component, coil, flexible circuit board, the upper enclosure is located the top surface of lower casing, the flexible circuit board is located the top surface of lower casing, and one side of flexible circuit board is located the outside of upper enclosure, the both ends surface symmetry of lower casing wears to be equipped with inserts the post, and inserts the one end of post and extend 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 enclosure is equipped with the U-shaped frame, and inserts the inside that the post slided and wears to locate the U-shaped frame, the inside of U-shaped frame is provided with the spring housing, the spring housing is established in the outside of inserting the post, the one end of spring housing is connected with the inboard fixed surface of U-shaped frame, 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, the protection plate is positioned at the top of the flexible circuit board, an arc-shaped groove matched with one end of the protection plate is formed in one side surface of the upper casing, an installation groove is formed in one side surface of the upper casing, the installation groove is communicated with the arc-shaped groove, a spring is fixed inside the installation groove, a clamping block is fixed at the bottom end of the spring, the tail end of the clamping block extends into the protection plate, a clamping groove matched with the tail end of the clamping block is formed in the top surface of the protection plate, a pull block is arranged on one side surface of the clamping block, and the pull block 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 inserting 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 loose connection between the upper shell and the lower shell of the vibrating motor is effectively avoided, the upper shell and the lower shell of the vibrating motor are 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;

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, where the upper casing 1 is located on the top surface of the lower casing 2, the flexible circuit board 12 is located on the top surface of the lower casing 2, one side of the flexible circuit board 12 is located outside the upper casing 1, two end surfaces of the lower casing 2 are symmetrically provided with insertion posts 7, one end of each insertion post 7 extends into the lower casing 2, the surface of the lower casing 2 is symmetrically provided with insertion slots 8 matched with one end of each insertion post 7, two end surfaces of the upper casing 1 are fixed with U-shaped frames 10, the insertion posts 7 are slidably disposed inside the U-shaped frames 10, a spring sleeve 9 is disposed inside the U-shaped frames 10, the spring sleeve 9 is sleeved outside the insertion posts 7, one end of the spring sleeve 9 is fixedly connected with the inner side surface of the U-shaped frames 10, and the other end of the spring sleeve 9 is fixedly connected with the insertion posts 7;

stator module includes flexible circuit board 12 and coil 6, the rotor subassembly includes elastic component 5, magnet 4 and plastic-sealed piece 3, coil 6 is two hollow ellipses, two coil 6 bond or glue on flexible circuit board 12, magnet 4 corresponding to the rotor subassembly, when the access power, coil 6 and magnet 4 take place magnetic field force, rotor subassembly horizontal hunting, including the resilience force of elastic component 5, make flat vibrating motor produce resonance, strengthen the drive power and the vibration experience degree of motor, last casing 1 on the vibrating motor is when installing with lower casing 2, at first, the one end of pulling two sets of posts 7 of inserting, when pulling post 7, spring housing 9 is compressed, establish the top surface at lower casing 2 with last casing 1 cover again, make the bottom surface of lower casing 2 and the bottom surface of last casing 1 be in same horizontal line, loose post 7 of inserting again, make the one end of post 7 insert the inside of 8 with the help of the elasticity of spring housing 9, thereby strengthened the connection between last casing 1 and lower casing 2, through the post 7 that sets up, effectively avoided fastening on the vibrating motor to fasten, the casing 2 and be favorable to the normal use of its lower casing 2 of connection of not hard up the vibration.

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 surface of the fixture block 16, and the pulling block 18 penetrates through the installation groove 14;

when using, when need protect flexible circuit board 12, at first, upwards stimulate and draw piece 18, draw piece 18 drives fixture block 16 rebound, then extrude spring 15, spring 15 is compressed, then insert the inside of arc wall with the one end of guard plate 13, loose and draw piece 18, make the end of fixture block 16 block 17's inside with the help of the elasticity card of spring 15, thereby fixed being connected between upper casing 1 and guard plate 13, and then set up guard plate 13 at the top of flexible circuit board 12, when needing to use flexible circuit board 12, need to dismantle guard plate 13 promptly, the same thing, upwards stimulate and draw piece 18, make draw piece 18 drive fixture block 16 rebound, make the end of fixture block 16 leave the inside of clamp groove 17, again with guard plate 13 one end take out the inside of arc wall can, through the guard plate 13 that sets up, one side of effectively having avoided flexible circuit board 12 on the vibrating motor exposes outside, its surface falls grey easily, influence follow-up use, be favorable to protecting flexible circuit board 12, and then prolonged vibrating motor's life.

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 grain arranged on one end surface of the pull block 18 outside the upper casing 1, as shown in fig. 1, the raised grain is arranged on one end surface of the pull block 18 outside the upper casing 1, and the raised grain is in a "W" shape;

the W-shaped raised grains arranged on the surface of one end, positioned outside the upper casing 1, of the pull block 18 are convenient to pull, so that the pull block 18 plays a role of skid resistance.

In another embodiment, the embodiment discloses a shape of the guard plate 13 and a cleaning brush provided on the inner side surface of the guard plate 13, as shown in fig. 3, the guard plate 13 has an "L" shape in side view, and the cleaning brush is provided on the inner side surface of the guard 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 of 13 inboard surface settings of guard plate 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 plug-in type portable computer is characterized in that insertion columns (7) symmetrically penetrate through the surfaces of two ends of the lower casing (2), one ends of the insertion columns (7) extend into the lower casing (2), slots (8) matched with one ends of the insertion columns (7) are symmetrically formed in the surface of the lower casing (2), U-shaped frames (10) are fixed on the surfaces of two ends of the upper casing (1), the insertion columns (7) penetrate through the U-shaped frames (10) in a sliding mode, spring sleeves (9) are arranged inside the U-shaped frames (10), the spring sleeves (9) are sleeved outside the insertion columns (7), one ends of the spring sleeves (9) are fixedly connected with the inner side surfaces of the U-shaped frames (10), and the other ends of the spring sleeves (9) are fixedly connected with the insertion columns (7);

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).

2. 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).

3. 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.

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

5. A miniature flat vibration motor as claimed in claim 1, wherein: the surface of the upper machine shell (1) is provided with a model label, and the model label is fixedly connected with the upper machine shell (1) through viscose.