CN110290245B

CN110290245B - Mobile terminal

Info

Publication number: CN110290245B
Application number: CN201910560876.4A
Authority: CN
Inventors: 程心坤; 王志远
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-09-11
Anticipated expiration: 2039-06-26
Also published as: CN110290245A

Abstract

The present invention provides a mobile terminal, comprising: a target member and a vibrator; the target component is a screen or a middle frame connected with the screen; the vibrator comprises a vibration assembly, an elastic piece and a fixing assembly; the vibrating assembly is elastically connected with the fixing assembly through an elastic piece, magnetic force is arranged between the vibrating assembly and the fixing assembly, and the surface of the vibrating assembly, which is back to the fixing assembly, is bonded with the target component; the fixed component is provided with a first surface facing the vibration component and a second surface back to the vibration component, at least one through hole is formed in the fixed component, and the through hole penetrates through the first surface and the second surface. Because the ejector rod used for exerting pressure of the pressure maintaining machine can penetrate through the through hole to directly act on the vibration assembly, the pressure maintaining machine can maintain pressure of the vibration assembly more fully, the bonding effect of the vibrator and the target component can be better, and the glue opening probability is lower.

Description

Mobile terminal

Technical Field

The invention relates to the technical field of communication, in particular to a mobile terminal.

Background

In recent years, mobile terminals using screen sound production, that is, directly or indirectly driving a screen to vibrate by a vibrator to produce sound waves, have appeared on the market.

In order to achieve the screen vibration, it is necessary to bond the vibrator to a target member (e.g., a screen or a middle frame connected to the screen) of the mobile terminal, and at present, a pressurizer is mainly used to bond the vibrator to the target member by pushing the vibrator to move to a position where the vibrator is attached to the target member and performing pressure maintaining.

The existing vibrator is used for being provided with other parts below the vibration part bonded with the target part, so that the pressure maintaining machine can only realize the bonding of the vibration part through acting on the other parts below the vibration part, the bonding effect of the vibrator and the target part is poor, and the glue opening probability is high.

Disclosure of Invention

The embodiment of the invention provides a mobile terminal, which aims to solve the problems that the bonding effect of a vibrator and a target component is poor and the probability of glue failure is high because the rest components are arranged below the vibrating component which is used for being bonded with the target component in the conventional vibrator, so that a pressure maintaining machine can only act on the rest components below the vibrating component to realize the bonding of the vibrating component.

In order to solve the technical problem, the invention is realized as follows:

in a first aspect, an embodiment of the present invention provides a mobile terminal, including: a target member and a vibrator;

the target component is a screen or a middle frame connected with the screen;

the vibrator comprises a vibration assembly, an elastic piece and a fixing assembly; wherein,

the vibrating assembly is elastically connected with the fixing assembly through the elastic piece, magnetic force is formed between the vibrating assembly and the fixing assembly, and the surface of the vibrating assembly, which faces away from the fixing assembly, is bonded with the target component;

the fixing component is provided with a first surface facing the vibration component and a second surface back to the vibration component, at least one through hole is formed in the fixing component, and the through hole penetrates through the first surface and the second surface.

In the embodiment of the invention, the fixing assembly is provided with at least one through hole, and the through hole penetrates through the first surface of the fixing assembly facing the vibration assembly and the second surface of the fixing assembly opposite to the vibration assembly, so that the ejector rod for applying pressure of the pressure maintaining machine can penetrate through the through hole to directly act on the vibration assembly, the pressure maintaining machine can maintain the pressure of the vibration assembly more fully, the bonding effect of the vibrator and a target component is better, and the glue opening probability is lower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is one of the structural diagrams of a mobile terminal according to an embodiment of the present invention;

fig. 2 is a second block diagram of a mobile terminal according to an embodiment of the present invention;

fig. 3 is a top view of a fixed component in a mobile terminal according to an embodiment of the present invention;

fig. 4 is a diagram of an example of a mobile terminal according to an embodiment of the present invention.

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 some, not all, embodiments of the present invention. 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.

As shown in fig. 1 to 3, an embodiment of the present invention provides a mobile terminal, including: a target member and a vibrator;

the target component is a screen 1 or a middle frame 2 connected with the screen 1;

the vibrator comprises a vibration component 3, an elastic component 4 and a fixing component 5; wherein,

the vibrating component 3 is elastically connected with the fixed component 5 through the elastic piece 4, magnetic force is formed between the vibrating component 3 and the fixed component 5, and the surface of the vibrating component 3, which faces away from the fixed component 5, is bonded with the target component;

the fixing component 5 has a first surface facing the vibration component 3 and a second surface facing away from the vibration component 3, at least one through hole 51 is formed in the fixing component 5, and the through hole 51 penetrates through the first surface and the second surface.

In the embodiment of the present invention, the Mobile terminal may be a Mobile phone, a Tablet personal Computer (Tablet personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or the like.

In an embodiment of the present invention, the elastic member 4 may be a spring or a leaf spring. The elastic connection of the vibrating component 3 and the fixed component 5 through the elastic component 4 can be understood as follows: the vibration assembly 3 can move within a certain range relative to the fixed assembly 5, for example, the vibration assembly 3 can reciprocate relative to the fixed assembly 5.

One of the vibrating assembly 3 and the fixing assembly 5 may be a permanent magnet assembly, and the other may be an electromagnet (e.g., an electromagnet); or the vibration component 3 and the fixing component 5 can be permanent magnet components; or both the vibrating assembly 3 and the fixing assembly 5 may be electromagnets. The magnetic force may be an attractive force or a repulsive force. The elastic member 4 may be used to balance the magnetic force, so that the vibration assembly 3 maintains a force balance in a non-operating state.

The first surface of the fixing member 5 and the second surface of the fixing member 5 may be parallel or non-parallel. The first surface of the fixing member 5 and the surface of the vibrating member 3 facing the fixing member 5 may be parallel or non-parallel. The first surface of the fixed member 5 and the surface of the vibration member 3 facing the fixed member 5 may be partially aligned or may be completely aligned.

The surface of the vibrating component 3 facing away from the fixing component 5 is bonded to the target component, which can be specifically understood as follows: an adhesive layer 6 is provided on the surface of the vibration unit 3 facing away from the fixing unit 5, and the adhesive layer 6 is bonded to the target member to bond the vibration unit 3 to the target member, where the adhesive layer 6 may be a double-sided tape, a liquid adhesive tape, or another adhesive substance.

As shown in fig. 1, in the case that the target component is a screen 1, the fixing component 5 may be used to connect with a middle frame 2 of a mobile terminal to fix the whole vibrator; as shown in fig. 2, in the case that the target component is a middle frame 2 connected to the screen 1, the fixing member 5 may be used to connect to a main board 7 of the mobile terminal.

The shape and size of the vibration assembly 3 are not limited in the embodiments of the present invention, for example, the vibration assembly 3 may be cylindrical, rectangular parallelepiped, square, prismatic, or irregular, and the size of the vibration assembly 3 may also be set as required. The shape and size of the fixing assembly 5 are not limited in the embodiments of the present invention, for example, the fixing assembly 5 may have a cylindrical shape, a rectangular parallelepiped shape, a square shape, a prismatic shape, or an irregular shape, and the size of the fixing assembly 5 may also be set as required.

The shape and size of the through hole 51 are not limited in the embodiment of the present invention, and specifically, the shape and size of the through hole 51 may be adapted to the ejector pin of the pressure maintaining machine.

In order to facilitate understanding of the beneficial effects of the embodiments of the present invention, the following description is given by taking the example of the vibrator being adhered to the screen of the terminal device: referring to fig. 4, fig. 4 is a schematic structural diagram of the vibrator in the embodiment of the present invention when the vibrator is attached by using the pressure maintaining machine 8, and the pressure maintaining machine 8 acts on the vibrator (taking a screen as an example of a target component); as shown in fig. 4, when the vibrator of the embodiment of the present invention is attached, the pressing machine 8 controls the top rod 81 to pass through the through hole 51 of the fixing component 5, and directly applies pressure to the vibrating component 3, so that the surface of the vibrating component 3 facing away from the fixing component 5 is sufficiently attached to the screen 1.

According to the vibrator provided by the embodiment of the invention, the fixing assembly is provided with the at least one through hole, and the through hole penetrates through the first surface of the fixing assembly facing the vibrating assembly and the second surface of the fixing assembly opposite to the vibrating assembly, so that the ejector rod for applying pressure of the pressure maintaining machine can penetrate through the through hole to directly act on the vibrating assembly, the pressure maintaining machine can maintain the pressure of the vibrating assembly more fully, the bonding effect of the vibrator and a target component is better, and the glue opening probability is lower.

Optionally, the through hole 51 is located in the area of the vertical projection of the oscillating assembly 3 on the first surface.

Because the through-hole is located the vibration subassembly in fixed subassembly's vertical projection region to make the position of through-hole can be closer to the vibration subassembly more, like this, can shorten the route of penetrating of the ejector pin of guaranteeing the press, and then can be convenient for more guarantee the passing of the ejector pin of press.

Optionally, the first surface of the fixing element 5 is parallel to the second surface of the fixing element 5, the central axis of the through hole 51 is a straight line, and the central axis of the through hole 51 is perpendicular to the first surface of the fixing element 5.

Because the first surface of fixed subassembly is parallel with the second surface, the axis of through-hole is the straight line, and the axis perpendicular to fixed subassembly's of through-hole first surface to can further shorten the length of through-hole, and then can shorten the route of penetrating of the ejector pin of guarantor press, like this, the ejector pin of not only can be convenient for more guarantor press passes, even if the ejector pin of guarantor press also can pass the through-hole conflict vibration subassembly less smoothly, even if make the vibrator can also adapt to the pressurize machine of more size types.

Alternatively, in the case where the number of the through holes 51 is 1, the through holes 51 are located at the geometric center of the first surface of the fixed member 5;

in the case where the number of through holes 51 is an even number greater than 1, all the through holes 51 are symmetrical two by two with respect to the geometric center of the first surface of the fixed member 5;

in the case where the number of the through holes 51 is an odd number greater than 1, one through hole 51 of all the through holes 51 is located at the geometric center of the first surface of the fixed member 5, and the remaining through holes 51 are symmetrical two by two with respect to the geometric center of the first surface of the fixed member 5.

Wherein, the above-mentioned through hole 51 located at the geometric center of the first surface of the fixing member 5 can be understood as: the central axis of the through hole 51 passes through the geometric center of the first surface of the fixing member 5.

Because the through-hole symmetry sets up on fixed subassembly to can guarantee the symmetry of vibration subassembly vibration better.

Optionally, the elastic piece 4 is a spring plate, one end of the spring plate is connected with the fixing component 5, and the other end of the spring plate is connected with the vibration component 3.

Alternatively, in the case where the number of the elastic members 4 is 1, the elastic members 4 are located at the geometric center of the first surface;

in the case where the number of elastic members 4 is an even number greater than 1, all the elastic members 4 are symmetrical two by two with respect to the geometric center of the first surface;

in the case where the number of the elastic members 4 is an odd number greater than 1, one of the elastic members 4 of all the elastic members 4 is located at the geometric center of the first surface, and the remaining elastic members 4 are symmetrical two by two with respect to the geometric center of the first surface.

Because the elastic component symmetry sets up on fixed subassembly to can guarantee the symmetry of vibration subassembly vibration better.

Optionally, the vibration assembly 3 is an electromagnet, the electromagnet includes an iron core 31 and a coil 32 sleeved outside the iron core 31, and the fixing assembly 5 includes: a permanent magnet 52;

the iron core 31 is elastically connected with the permanent magnet 52 through the elastic member 4, and the through hole 51 includes: a first sub through hole 511 opened on the permanent magnet 52.

The coil 32 may be wound around an outer surface of the core 31. The first sub through hole 511 may penetrate the surface of the permanent magnet 52 facing the core 31 and the surface of the permanent magnet 52 facing away from the core 31. The adhesive layer 6 may be disposed on a surface of the iron core 31 facing away from the permanent magnet 52. The permanent magnet 52 may be fixed to the middle frame 2 or the main plate 7. The permanent magnet 52 may be a magnet or a permanent magnet.

The vibrator in the present embodiment may operate as follows: when the coil 32 is not electrified, the permanent magnet 52 generates an attractive force to the iron core 31, and the elastic element 4 generates a supporting force with the same magnitude and opposite direction as the aforementioned attractive force to the iron core 31, so that the iron core 31 is in a force balance state and is static relative to the permanent magnet 52 when the coil 32 is not electrified; when the coil 32 is energized with an alternating current, the electromagnet (i.e., the vibration assembly 3) generates an attraction force or a repulsion force on the permanent magnet 52 due to the generation of the electromagnet, and the attraction force or the repulsion force causes the electromagnet (i.e., the vibration assembly 3) to move relative to the permanent magnet 52, thereby directly pushing the screen 1 to vibrate or indirectly pushing the screen 1 to vibrate by pushing the middle frame 2.

Optionally, the fixing assembly 5 further comprises: the base 53, the permanent magnet 52 is set up on the base 53;

the through hole 51 further includes: and a second sub through hole 512 opened on the base 53 and penetrating the first sub through hole 511.

The base 53 may be used to support the permanent magnet 52. The second sub through hole 512 may penetrate the surface of the base 53 facing the permanent magnet 52 and the surface of the base 53 facing away from the permanent magnet 52.

Due to the arrangement of the base, the permanent magnet can be fixed more conveniently.

Optionally, a connecting hole is formed in the part, not provided with the permanent magnet 52, of the base 53;

the fixing assembly 5 further comprises: a connecting member 54;

as shown in fig. 1, in the case that the target component is a screen 1, the connecting member 54 passes through the connecting hole to connect with the middle frame 2 of the mobile terminal;

as shown in fig. 2, in the case where the target component is the middle frame 2 connected to the screen 1, the connection member 54 is connected to the main board 7 of the mobile terminal through the connection hole.

The number of the connecting holes may be one, or may be multiple, for example, two, three, or four. The positions of the coupling holes may be positioned as desired, for example, when the number of the coupling holes is 2, two coupling holes may be positioned at opposite sides of the permanent magnet 52 in order to make the permanent magnet 52 more stable. The connecting member 54 may be a screw, a bolt, a stud, or the like.

It should be understood that the fixing manner of the base 53 is not limited to the aforementioned exemplary manner, and the base 53 may be connected to the middle frame 2 or the main board 7 by other connecting manners, such as adhesion.

Because the connection between the base and the middle frame or the main board is realized by the connecting holes and the connecting pieces, the base can be more stably fixed.

It should be noted that, various optional implementations described in the embodiments of the present invention may be implemented in combination with each other or implemented separately, and the embodiments of the present invention are not limited thereto.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A mobile terminal, comprising: a target member and a vibrator;

the target component is a screen or a middle frame connected with the screen;

the fixing component is provided with a first surface facing the vibration component and a second surface back to the vibration component, at least one through hole is formed in the fixing component, the through hole penetrates through the first surface and the second surface, the shape and the size of the through hole are matched with those of a push rod of the pressure maintaining machine, and the through hole is used for the push rod to penetrate through.

2. The mobile terminal of claim 1, wherein the through-hole is located within a vertical projection area of the vibration assembly on the first surface.

3. The mobile terminal of claim 2, wherein the first surface is parallel to the second surface, the central axis of the through hole is a straight line, and the central axis of the through hole is perpendicular to the first surface.

4. The mobile terminal according to claim 3, wherein in the case where the number of the through holes is 1, the through hole is located at a geometric center of the first surface;

in the case where the number of the through holes is an even number greater than 1, all the through holes are symmetrical two by two with respect to the geometric center of the first surface;

in the case where the number of the through holes is an odd number greater than 1, one of the through holes is located at the geometric center of the first surface, and the remaining through holes are symmetrical two by two with respect to the geometric center of the first surface.

5. The mobile terminal of claim 1, wherein the elastic member is a spring plate, one end of the spring plate is connected to the fixing component, and the other end of the spring plate is connected to the vibrating component.

6. The mobile terminal according to claim 1, wherein in the case that the number of the elastic members is 1, the elastic member is located at a geometric center of the first surface;

in the case where the number of the elastic members is an even number greater than 1, all the elastic members are symmetrical two by two with respect to the geometric center of the first surface;

in the case where the number of the elastic members is an odd number greater than 1, one of the elastic members is located at the geometric center of the first surface, and the remaining elastic members are symmetrical two by two with respect to the geometric center of the first surface.

7. The mobile terminal according to any one of claims 1 to 6, wherein the vibrating assembly is an electromagnet, the electromagnet comprises an iron core and a coil sleeved outside the iron core, and the fixing assembly comprises: a permanent magnet;

the iron core passes through the elastic component with permanent magnet elastic connection, the through-hole includes: and the first sub through hole is formed in the permanent magnet.

8. The mobile terminal of claim 7, wherein the fixed component further comprises: the permanent magnet is arranged on the base;

the through-hole further includes: and the second sub through hole is formed in the base and communicated with the first sub through hole.

9. The mobile terminal according to claim 8, wherein a connection hole is formed at a portion of the base where the permanent magnet is not disposed;

the fixing assembly further comprises: a connecting member;

under the condition that the target component is a screen, the connecting piece penetrates through the connecting hole to be connected with a middle frame of the mobile terminal;

and under the condition that the target component is a middle frame connected with the screen, the connecting piece penetrates through the connecting hole to be connected with a main board of the mobile terminal.