KR20190108929A - Bracket for vertical linear vibration motor - Google Patents

Abstract

According to the present invention, a bracket for a vertical linear vibration motor comprises: a substrate mounting unit on which a substrate is mounted; a coil support unit formed in the substrate mounting unit and having a coil arranged around the coil support unit; a bracket extension unit protruding by a step of having an arbitrary height than the substrate mounting unit and extended to the outside of the substrate mounting unit; and an elastic member support unit formed in an edge of the bracket extension unit. According to the present invention, an inner space in which the substrate is arranged can be sufficiently secured and, accordingly, a space capable of generating a vibration is extended so as to increase a vibration force and, furthermore, prevent damage to the substrate.

Description

Bracket for vertical linear vibration motor {BRACKET FOR VERTICAL LINEAR VIBRATION MOTOR}

The present invention relates to a bracket. More specifically, it relates to a bracket for a vertical linear vibration motor to which a vertical linear vibration motor is mounted.

The vibration motor is a component that converts electrical energy into mechanical vibration by using the principle of generating electromagnetic force, and is mounted on a mobile communication terminal and a portable terminal.

Recently, due to the rapid development of wireless communication technology, mobile communication terminals and portable terminals are becoming smaller and lighter, and the size and structure of vibration motors mounted in the mobile communication terminals and portable terminals are also required to be smaller and lighter.

In addition, since the mobile communication terminal and the portable terminal adopt a touch screen, the life of the vibration motor generating vibration when the touch screen is touched is important.

On the other hand, the display (navigation, car windshield display, etc.) in the interior of the vehicle is a trend to adopt a touch screen, the vibration motor for generating vibration is mounted.

Since the vehicle is driven at a high voltage, a vibration motor that provides a high vibration force while securing a vertical space when driving in a high voltage structure is required.

Accordingly, there is a need for a vibration motor that improves space utilization and design freedom and increases the amount of vibration.

The present invention has been derived in view of the above problems, and can solve the above-described technical problems, as well as to provide additional technical elements that can be easily invented by those skilled in the art. It became.

Korea Patent Publication No. 10-1777716 (2017.09.12.)

The technical problem to be solved by the present invention is to provide a bracket for forming a wider vibrating space.

Another technical problem to be solved by the present invention is to provide a bracket for preventing damage to the substrate by adding a stepped portion to the bracket.

Another technical problem to be solved by the present invention is to provide a bracket that improves reliability by preventing deformation due to external impact such as falling.

Another technical problem to be solved by the present invention is to add a stepped portion to the bracket, it is possible to increase the thickness of the substrate disposed on the stepped portion, thereby minimizing the current loss, thereby increasing the electromagnetic force bracket To provide.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

Bracket for a vertical linear vibration motor according to an embodiment of the present invention includes a substrate seating portion on which the substrate is mounted; A coil support part formed on the substrate seat part and having a coil disposed around the substrate seat part; A bracket extension part which protrudes by a step having an arbitrary height than the substrate seating part and extends to the outside of the substrate seating part; And an elastic member support part formed at an edge of the bracket extension part.

According to an embodiment, the thickness of the substrate seating portion may be thinner than the thickness of the bracket extension portion.

According to an embodiment of the present disclosure, the substrate seating part may be formed by forging at least a portion of the bracket extension part.

According to one embodiment, the substrate seating portion may have a more dense structure compared to the bracket extension portion.

According to an embodiment, the substrate seating portion may include an extension portion extending through an opening formed in a portion of the bracket extension portion, and the extension portion may have the same thickness as the substrate mounting portion.

According to an embodiment, the extension part may be disposed extending in at least one of a first direction or a second direction perpendicular to the first direction.

According to an embodiment, the extension part may be in contact with an external substrate support part, and a region including an input terminal to which power is applied from the outside of the area of the substrate may be disposed on the external substrate support part.

According to one embodiment, the coil support may include a hollow portion.

According to one embodiment, the case coupling portion formed on the outer edge of the elastic member support; It may further include.

According to one embodiment, it may include a bracket for a vertical linear vibration motor of any one of claims 1 to 9.

According to the present invention, the internal space in which the substrate is disposed can be sufficiently secured, and thus, the space capable of generating vibration can be expanded, thereby improving the vibration force, and also preventing damage to the substrate. It can be effective.

In addition, according to the present invention, there is an effect that it is possible to improve the reliability by preventing deformation of the bracket due to external impact such as falling.

In addition, according to the present invention, by increasing the material thickness of the bracket, there is an effect that can increase the strength.

In addition, according to the present invention, by adding a stepped portion to the bracket, it is possible to increase the thickness of the substrate disposed in the stepped portion, thereby minimizing the current loss, thereby increasing the electromagnetic force has an effect have.

Effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a view showing a perspective view of a bracket for a vertical linear vibration motor according to an embodiment of the present invention.
2 is a view showing a top view and a cross-sectional view of a bracket for a vertical linear vibration motor according to an embodiment of the present invention.
3 is a cross-sectional view of a bracket for a vertical linear vibration motor according to an exemplary embodiment of the present invention, in which an extension portion is disposed.
4 is a cross-sectional view of a vibration motor to which a bracket for a vertical linear vibration motor according to an embodiment of the present invention is applied.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various forms, and only the embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the technical field to which the present invention belongs. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art.

In addition, terms that are defined in a commonly used dictionary are not ideally or excessively interpreted unless they are specifically defined clearly. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase.

As used herein, “comprises” and / or “comprising” refers to a component, step, operation and / or element that is mentioned in the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions.

In addition, it is assumed that the reference numeral and the element symbol on the drawing can be created in parallel for convenience.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the bracket for the vertical linear vibration motor 10 according to an embodiment of the present invention will be described.

1 is a view showing a perspective view of a bracket 10 for a vertical linear vibration motor according to an embodiment of the present invention.

Figure 2 (a) is a view showing a top view of the bracket 10 for a vertical linear vibration motor according to an embodiment of the present invention, Figure 2 (b) is a cross-sectional view taken along the line AA 'in Figure 2 (a). It is a figure which shows sectional drawing.

Bracket 10 for a vertical linear vibration motor according to an embodiment of the present invention includes a substrate seating portion 4, the coil support 2, the bracket extension 6 and the elastic member support (8).

The substrate seating part 4 is formed at the center of the bracket 10, and the substrate is seated on the substrate seating part 4.

The coil support part 2 is formed on the said board | substrate seating part 4, and a coil is arrange | positioned around it.

The coil support part 2 is disposed at the center of the substrate seating part 4, and the coil support part 2 is formed in the upper direction of the substrate seating part 4, thereby stably fixing the coil.

The coil support part 2 may be manufactured by pressing or deep drawing, for example, into the upper direction of the substrate seating part 4, that is, inward.

In addition, the coil support 2 includes a hollow portion B as shown in FIG. 2 (b), and the thickness of the plate forming the coil support 2 has the same thickness as that of the substrate seating portion 4. It may have a thickness or thicker than the thickness of the substrate seating portion (4).

Meanwhile, since the substrate seating part 4 is formed by forging at least a portion of the bracket extension part 6, the substrate seating part 4 may have a thickness thinner than that of the bracket extension part 6. Further, even when the substrate seating portion 4 is formed to have a thickness thinner than the thickness of the bracket extension portion 6, the substrate seating portion 4 may have the same strength as that of the bracket extension portion 6.

In addition, the thickness d1 of the substrate seating part 4 may be 0.2 to 0.8 times as thick as compared to the thickness d2 of the bracket extension part 6.

When the thickness d1 of the substrate seating portion 4 is 0.2 times or more than the thickness d2 of the bracket extension portion 6, the substrate is disposed on the substrate seating portion 4 to prevent damage to the substrate during vertical vibration. Can be.

In addition, when the thickness d1 of the substrate seating portion 4 is 0.8 times or less than the thickness d2 of the bracket extension portion 6, a process time is required when the substrate seating portion 4 is manufactured by a press method. Since it can shorten, production speed can be improved.

On the other hand, the substrate seating portion 4 may have a more dense structure than the bracket extension portion 6. That is, when machining a portion of the metal plate of a constant thickness in the forging or pressing method, the portion pressed by the forging or press will have a more dense structure than before, in this way the substrate seating portion 4 is bracket extension 6 By having a denser structure than), it can have the same strength or higher strength while at the same time having a thinner thickness as compared to the bracket extension 6.

On the other hand, the bracket extension 6 is formed to extend from the substrate seating portion 4, it may include a step between the bracket extension 6 and the substrate seating portion (4).

The bracket extension part 6 protrudes by the step height of an arbitrary height than the board | substrate seat part 4, and extends outward of the board | substrate seat part 4.

The bracket extension 6 may have a thickness that is thicker than the substrate seating part 4, through a step.

The elastic member supporter 8 is formed at the edge of the bracket extension 6, and one side of the elastic member 30 supporting the vibrator 40 may be attached onto the elastic member supporter 8.

At this time, the elastic member support portion 8 may include a structure of the same uniformity as the bracket extension (6).

In addition, the thickness d3 of the elastic member support part 8 may include the same thickness as the thickness d2 of the bracket extension part 6, but is not limited thereto. For example, the elastic member support 8 may comprise a thicker thickness than the bracket extension 6.

Meanwhile, the elastic member support part 8 may further include an inclined surface S disposed between the elastic member support part 8 and the bracket extension part 6. Through the inclined surface (S), it is possible to prevent the crack between the bracket extension 6 and the elastic member support (8).

The inclined surface S may be disposed to form an angle in the direction of the elastic member supporter 8 with respect to the bracket extension 6.

Since the inclined surface s is disposed, the force is dispersed during an external impact, thereby preventing cracking between the bracket extension part 6 and the elastic member support part 8.

The angle of the inclined surface S may be one of 0 degrees to 90 degrees with respect to the bracket extension 6.

The elastic member supporter 8 may further include a case coupling part 9 formed at an outer edge of the elastic member supporter 8. The case coupling part 9 may be coupled to a case forming an upper space together with the bracket 10.

The shape of the case coupling portion 9 may optionally include a structure in which a rigid coupling is easy, for example, but may be coupled through protrusions and fastening grooves, but is not limited thereto.

Next, referring to FIG. 3, the extension part 3 included in the bracket 10 for the vertical linear vibration motor according to the exemplary embodiment of the present invention will be described.

3 (a) is a view showing a case in which the extension portion 3 extends only in the first direction, and FIG. 3 (b) is an arrangement in which the extension portion 3 extends in the first direction and the second direction. It is a figure which shows the case.

The substrate seating part 4 may include an extension part 3 extending through the opening C formed in at least a portion of the bracket extension part 6.

The extension part 3 defines a partial region of the substrate seating part 4, and the substrate may be disposed on the extension part 3, similarly to the substrate seating part 4.

The extension part 3 may be formed extending from the substrate seating part 4 in at least one of a first direction or a second direction perpendicular to the first direction.

In addition, the extension part 3 may extend from the substrate seating part 4 in other directions besides the first direction and the second direction.

The extension part 3 may be in contact with the outer substrate support part 12, and the outer substrate support part 12 in contact with the extension part 3 may include arrangements including an input terminal to which power is applied from the outside of the region of the substrate. Can be.

Meanwhile, the extension part 3 may include the same thickness as the substrate seating part 4, but is not limited thereto.

For example, according to the design of the substrate disposed on the substrate seating part 4, the substrate seating part 4 may have a thickness different from that of the substrate seating part 4.

On the other hand, through the extension portion 3, the substrate is seated on the substrate seating portion 4 and the extension portion 3, and is firmly fixed, so that the substrate is not separated from external shocks such as falling, and thus the bracket for the vertical linear vibration motor 10 ) Reliability can be secured.

Next, a vibration motor to which the bracket 10 according to an embodiment of the present invention is applied will be described with reference to FIG. 4.

4 is a cross-sectional view of a vibration motor to which the bracket for the vertical linear vibration motor 10 according to the embodiments of the present invention is applied.

Figure 4 shows only half of the vibration generating device having a symmetrical structure, it should be understood that the other half omitted from the figure is a symmetrical form of the structure shown.

The vibration motor includes a case 20 having a cover function on the top and a bracket 10 coupled to the bottom of the case 20 to perform a supporting function of the bottom surface, and the case 20 and the bracket 10 are coupled to each other. Form an accommodating space inside.

In addition, the vibration motor is a stator 50 provided on the coil support 2 included in the bracket 10, one side is fixed to the upper side of the bracket 10, the lower side is an elastic member coupled to the vibrator 40 30 and a substrate 60 fixed to an upper surface of the bracket 10 to perform an electrical connection function between the external device and the coil 52.

The stator 50 includes a coil 52 having a height smaller than the height of the coil support 2 and a yoke 54 disposed on at least one of the upper and lower sides of the coil 52.

The stator 50 is inserted into and fixed to the outer surface of the coil support 2.

The coil 52 may have a ring shape, but is not limited thereto. The coil 52 may be fixed to the outside of the coil support 2, and a material for separate bonding may be formed on the outside of the coil support 2. It can be formed so that the coil 52 can be adhesively fixed to the coil support (2).

The yoke 54 has a donut shape and is fixed to the outer side of the coil support 2 so that the yoke 54 can be easily installed to amplify the electromagnetic force without any additional processing.

The vibrator 40 may include a ring-shaped magnet 44, a weight body 42 coupled to an outer surface of the magnet 44, and a lower yoke 46 provided below the magnet 44.

The weight body 42 serves to help the addition of vibration force according to the up / down movement of the vibrator 40, and the yoke 46 provided below the magnet 44 serves to increase the electromagnetic force. .

The magnet 44 may have a structure in which one magnet or an upper magnet and two lower magnets are combined.

For example, when two magnets are combined, a stronger electromagnetic force can be generated.

On the other hand, the elastic member 30 refers to a member connected to the vibrator 40 to support the vertical movement of the vibrator 40, one side of the elastic member 30 is attached on the elastic member support (8), The lower side is attached to the vibrator 40 to support the vertical movement of the vibrator 40.

When the lower side of the elastic member 30 and the vibrator 40 is attached, a plate (not shown) connecting the vibrator 40 and the elastic member 30 may be disposed.

Although not shown, the case 20 may further include a damper for mitigating an impact caused by vibration.

The damper may be disposed on one inner surface of the case 20 or the upper surface of the bracket 10 on which the elastic member 30 is disposed.

The damper may comprise a ring shape or a disc shape.

By disposing the damper, it is possible to prevent the vibration of the vibrator 40 and the elastic member 30 from occurring due to the generation of a strong vibration force or an impact caused by falling of an electronic device.

Next, the substrate 60 is disposed on the substrate seating portion 4 included in the bracket 10 to perform an electrical connection function.

For example, the substrate 60 may be an FPCB, but is not limited thereto.

In the vibration motor configured as described above, the vibrator 40 vibrates up and down as AC power is applied through the substrate 60.

An electronic device to which the vibration motor including the bracket 10 according to an embodiment of the present invention is applied may be, for example, a smartphone, a tablet personal computer, a mobile phone, and an image. Telephone, e-book reader, desktop personal computer, laptop personal computer, netbook computer, workstation, server, personal digital assistant, It may include at least one of a portable multimedia player (PMP), an MP3 player, a mobile medical device, a camera, or a wearable device. According to various embodiments of the present disclosure, a wearable device may be an accessory type (eg, a watch, ring, bracelet, anklet, necklace, glasses, contact lens, or head-mounted-device (HMD)), a fabric, or a clothing integrated type ( For example, it may include at least one of an electronic garment, a body attachment type (eg, a skin pad or a tattoo), or a living implantable type (eg, an implantable circuit).

In other embodiments, the electronic device may be a home appliance. Home appliances are, for example, televisions, digital video disk (DVD) players, audio, refrigerators, air conditioners, vacuum cleaners, ovens, microwaves, washing machines, air purifiers, set-top boxes, home automation control panels ( home automation control panel, security control panel, TV box (e.g. Samsung HomeSyncTM, Apple TVTM, or Google TVTM), game console (e.g. XboxTM, PlayStationTM), electronic dictionary, electronic key, camcorder Or at least one of an electronic picture frame.

In another embodiment, the electronic device may include various medical devices (eg, various portable medical measuring devices (such as blood glucose meters, heart rate monitors, blood pressure monitors, or body temperature meters), magnetic resonance angiography (MRA), magnetic resonance imaging (MRI), Such as computed tomography (CT), imaging or ultrasound), navigation devices, global navigation satellite system (GNSS), event data recorder (EDR), flight data recorder (FDR), automotive infotainment ) Devices, ship electronics (e.g. ship navigation devices, gyro compasses, etc.), avionics, security equipment, vehicle head units, industrial or home robots, automatic teller's machines (financial institutions) Point of sales, point of sales, or Internet of things (e.g. light bulbs, sensors, electricity or gas meters, sprinkler devices, fire alarms, thermostats, street lights, Of the emitter (toaster), exercise equipment, hot water tank, a heater, boiler, etc.) may include at least one.

According to another embodiment, an electronic device may be a furniture or part of a building / structure, an electronic board, an electronic signature receiving device, a projector, or various measuring devices (eg, : Water, electricity, gas, or radio wave measuring instrument). In various embodiments of the present disclosure, the electronic device may be one or a combination of the aforementioned various devices. An electronic device according to an embodiment may be a flexible electronic device. In addition, the electronic device according to an embodiment of the present disclosure is not limited to the above-described devices, and may include a new electronic device according to technology development.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

2: coil support
3: extension
4: substrate seat
6: Bracket extension
8: elastic member support
9: case coupling
12: outer substrate support

Claims (10)

A substrate mounting portion on which the substrate is mounted;
A coil support part formed on the substrate seat part and having a coil disposed around the substrate seat part;
A bracket extension part which protrudes by a step having an arbitrary height than the substrate seating part and extends to the outside of the substrate seating part; And
Bracket for a vertical linear vibration motor including; elastic member support portion formed on the edge of the bracket expansion portion. The method of claim 1,
The thickness of the substrate mounting portion,
Thinner than the thickness of the bracket extension,
Bracket for vertical linear vibration motor. The method of claim 1,
The substrate mounting portion,
Formed by forging at least a portion of the bracket extension;
Bracket for vertical linear vibration motor. The method of claim 3,
The substrate mounting portion,
Having a tighter tissue as compared to the bracket extension,
Bracket for vertical linear vibration motor. The method of claim 4, wherein
The substrate mounting portion,
An extension part extending through an opening formed in a portion of the bracket extension part;
The extension portion,
Having the same thickness as the substrate mounting portion,
Bracket for vertical linear vibration motor. The method of claim 5,
The extension portion,
Extending in at least one of a first direction or a second direction perpendicular to the first direction,
Bracket for vertical linear vibration motor. The method of claim 5,
The extension portion,
A region including an input terminal to be in contact with an outer substrate support portion and to which power is applied from the outside of the region of the substrate is disposed on the outer substrate support portion;
Bracket for vertical linear vibration motor. The method of claim 1,
The coil support portion,
Bracket for vertical linear vibration motor including hollow part. The method of claim 1,
Further comprising; case coupling portion formed on the outer edge of the elastic member support;
Bracket for vertical linear vibration motor. A bracket comprising the bracket for a vertical linear vibration motor according to any one of claims 1 to 9,
Vertical linear vibration motor.

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