CN107623198A - Connection components and mobile terminals - Google Patents

Abstract

The embodiment of the invention provides a connecting assembly, which comprises a circuit board and an elastic piece, wherein the circuit board is provided with a first through hole, one end of the elastic piece is fixed on the circuit board, the elastic piece is provided with a containing cavity, the containing cavity of the elastic piece is communicated with the first through hole of the circuit board, and the other end of the elastic piece extends towards the direction far away from the circuit board. According to the connecting assembly and the mobile terminal provided by the invention, the elastic piece is clamped between the metal device and the circuit board, so that the metal device and the circuit board can be separated by a certain distance, namely the metal device, the elastic piece and the circuit board form a higher height, and therefore, when the metal device is fastened on the grounding stud of the shell through the fastening piece, the elastic piece provides a better connecting height, most parts of the fastening piece can be accommodated in the accommodating cavity of the elastic piece, and further the fastening piece and the grounding stud can be better connected. The embodiment of the invention also provides the mobile terminal.

Description

Connection components and mobile terminals

technical field

The invention relates to the field of electronic equipment, in particular to a connection component and a mobile terminal.

Background technique

A variety of metal components are installed in mobile terminal equipment such as mobile phones to realize various functions of the mobile phone. Among them, metal components that are relatively close to the antenna main body, such as speaker parts, will affect the radiation of the main antenna signal, thereby affecting mobile phones, etc. The reliability of mobile terminal use.

Contents of the invention

The invention provides a connection component and a mobile terminal.

The invention provides a connection assembly, including a circuit board and an elastic member, the circuit board has a first through hole, one end of the elastic member is fixed on the circuit board, and the elastic member has a cavity, The cavity of the elastic member communicates with the first through hole of the circuit board, the other end of the elastic member extends away from the circuit board, and the other end of the elastic member is used to carry metal devices so that a space is formed between the metal device and the circuit board.

On the other hand, an embodiment of the present invention also provides a mobile terminal, including a connection component.

The connection assembly and the mobile terminal provided by the present invention place the elastic member between the metal device and the circuit board, so that the metal device and the circuit board can be separated by a distance, that is, the metal device, the elastic member and the circuit board form a higher Height, so that when the metal device is fastened to the ground stud of the shell by the fastener, the existence of the elastic member provides a better connection height, so that most parts of the fastener can be accommodated in the elastic member In the cavity, thereby enabling better connection between the fastener and the grounding stud.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings used in the implementation will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. Technical personnel can also obtain other drawings based on these drawings without paying creative labor.

FIG. 1 is a schematic diagram of a mobile terminal provided by an embodiment of the present invention;

Fig. 2 is an exploded schematic view of the connector assembly shown in Fig. 1;

Fig. 3 is a schematic diagram of an elastic member shown in Fig. 2;

Fig. 4 is a schematic diagram of a state of another elastic member shown in Fig. 2;

Fig. 5 is a schematic diagram of another state of another elastic member described in Fig. 4;

Fig. 6 is a schematic diagram of another elastic member shown in Fig. 2;

Fig. 7 is a schematic diagram of another elastic member shown in Fig. 6;

FIG. 8 is a schematic diagram of another connection assembly shown in FIG. 1 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

The mobile terminal 100 involved in the embodiment of the present invention can be any device with communication and storage functions, such as: tablet computer, mobile phone, e-reader, remote control, personal computer (Personal Computer, PC), notebook computer, vehicle-mounted equipment, network Smart devices with network functions such as TVs and wearable devices.

Please refer to FIG. 1 to FIG. 6 , Embodiment 1 of the present invention provides a mobile terminal 100, including a connection assembly 10, the connection assembly 10 includes a circuit board 3 and an elastic member 2, the circuit board 3 has a first through hole 3a, One end of the elastic member 2 is fixed on the circuit board 3, and the elastic member 2 has a cavity 2a, and the cavity 2a of the elastic component 2 communicates with the first through hole 3a of the circuit board 3 , the other end of the elastic member 2 extends away from the circuit board 3, and the other end of the elastic member 2 is used to carry the metal device 1, so that the metal device 1 and the circuit board 3 space between. By sandwiching the elastic member 2 between the metal device 1 and the circuit board 3, the metal device 1 and the circuit board 3 can be separated by a distance, that is, the metal device 1, the elastic member 2 and the circuit board 3 form a higher height , so that when the metal device 1 is fastened to the ground stud 4a of the housing 4 through the fastener 5, the existence of the elastic member 2 provides a better connection height, so that most parts of the fastener 5 can accommodate It is placed in the cavity 2a of the elastic member 2, so that the fastening member 5 and the grounding stud 4a can achieve a better connection.

It can be understood that, please refer to FIG. 2 and FIG. 6, the connection assembly 10 also includes a metal device 1, a fastener 5 and a housing 4, the metal device 1 has a second through hole 1a, and the metal device 1 is fixed to the On the other end of the elastic member 2, the second through hole 1a communicates with the cavity 2a of the elastic member 2, the housing 4 has a ground stud 4a, and the fastener 5 is provided with an external thread , the fastener 5 sequentially passes through the second through hole 1a, the cavity 2a and the first through hole 3a until it is screwed on the ground stud 4a, so that the metal device 1 Fastened on the housing 4.

In this embodiment, please refer to Fig. 2 and Fig. 6, the metal device 1, the elastic member 2, the circuit board 3 and the housing 4 are sequentially stacked, and the fastener 5 passes through the metal device 1, the elastic member 2, and the circuit board 3 in sequence and the housing 4 and the grounding stud 4a of the housing 4 are firmly connected together, so that the metal device 1 and the circuit board 3 are kept firmly connected with the grounding stud 4a on the housing 4 to ensure that the three Good grounding is provided to reduce the impact of the metal device 1 on the internal antenna device 20 of the mobile terminal 100 .

In this embodiment, please refer to FIG. 2 and FIG. 6 , the metal device 1 is a metal insert on the speaker, that is, a hardware insert on the speaker box. The metal device 1 defines a second through hole 1a for the fastener 5 to pass through. The metal device 1 is set close to the antenna device 20 of the mobile terminal 100 . Since the metal device 1 is made of metal material, it will interfere with the radiation signal of the antenna device 20 of the mobile terminal 100 and affect the reliability of the mobile terminal 100 . Of course, in other embodiments, the metal device 1 may also be other components made of metal materials, such as metal shrapnel.

In this embodiment, please refer to FIG. 2 and FIG. 6 , the housing 4 has a ground stud 4a. Specifically, the casing 4 is the front casing of the mobile terminal 100 , and the casing 4 is mainly used to carry the main board of the mobile terminal 100 . A grounding stud 4 a is formed on the housing 4 at a position corresponding to the metal device 1 , and the grounding stud 4 a is essentially a part of the hardware insert of the housing 4 . It can be understood that the material of the hardware insert is magnesium alloy.

In this embodiment, referring to FIG. 2 and FIG. 6 , the circuit board 3 defines a first through hole 3 a. Specifically, the circuit board 3 is a flexible circuit board 3 . The first through hole 3 a on the circuit board 3 is for the fastener 5 to pass through.

In this embodiment, please refer to FIG. 2 and FIG. 6, one end of the elastic member 2 is fixed on the circuit board 3, and the elastic member 2 has a cavity 2a, and the cavity 2a of the elastic component 2 Communicating with the first through hole 3a of the circuit board 3, the other end of the elastic member 2 extends away from the circuit board 3, and the other end of the elastic member 2 is used to carry the metal device 1, In order to form a distance between the metal device 1 and the circuit board 3 . Specifically, one end of the elastic member 2 is fixed on the circuit board 3, and the cavity 2a is aligned with the first through hole 3a of the circuit board 3, the metal device 1 is arranged on the other end of the elastic member 2, and the metal device 1 The second through hole 1 a is aligned with the cavity 2 a of the elastic member 2 , that is, the second through hole 1 a , the cavity 2 a and the first through hole 3 a are sequentially aligned for the fastener 5 to pass through in sequence.

Wherein, the fastener 5 is provided with an external thread, which passes through the metal device 1 , the elastic member 2 and the circuit board 3 in sequence until it is firmly connected with the grounding stud 4 a of the housing 4 . The distance between the metal device 1 and the circuit board 3 is determined by the height of the elastic member 2. Due to the existence of the elastic member 2, a better connection height is provided, so that most parts of the fastener 5 can be accommodated in the elastic member. 2, so that the fastener 5 and the grounding stud 4a can achieve a better connection, and the fastener 5 will not be tightly connected to the housing 4 because the grounding stud 4a is short and slips. , so as to ensure that the metal device 1 and the circuit board 3 maintain a firm connection with the grounding stud 4a on the casing 4, thereby ensuring that the three have good grounding, so as to reduce the influence of the metal device 1 on the antenna device 20 inside the mobile terminal 100 .

It can be understood that the material of the elastic member 2 is elastic rubber or the elastic member 2 is a spring 22 structure. Specifically, the elastic member 2 has elasticity, so that the existence of the elastic member 2 not only provides a better connection height, but also enables most parts of the fastener 5 to be accommodated in the cavity 2a of the elastic member 2, thereby making the fastening The firmware 5 and the grounding stud 4a can achieve a better connection, and when the mobile terminal 100 is vibrated, the elastic member 2 can reduce the vibration by displacement in the height direction, further improving the connection between the connection assembly 10 and the mobile terminal 100 reliability.

In one embodiment, please refer to FIG. 2 to FIG. 5, the elastic member 2 includes at least two elastic blocks 21, and the at least two elastic blocks 21 are arranged around the edge of the first through hole 3a. The inner surface formed around at least two elastic blocks 21 is the cavity 2 a of the elastic member 2 .

Wherein, referring to Fig. 2 and Fig. 3, the outer peripheral surface of the elastic block 21 is a cylindrical surface, and the elastic member 2 is composed of four elastic blocks 21, and the first ends 21a of the four elastic blocks 21 jointly constitute an end of the elastic member 2, and Welded on the circuit board 3 to be firmly connected with the circuit board 3 . Four cylindrical elastic blocks 21 are arranged around the periphery of the first through hole 3a, and the four elastic blocks 21 are evenly spaced, so that the metal device 1 is carried on the second ends 21b of the four elastic blocks 21 (that is, the ends of the elastic parts 2 ). When on the other end), each elastic block 21 is balanced in force. It can be understood that the cavity 2a of the elastic member 2 is an area surrounded by four elastic blocks 21, so as to communicate with the first through hole 3a on the circuit board 3, so that the fastener 5 can sequentially pass through the second through hole 1a, the cavity 2a and the first through hole 3a are screwed together with the grounding stud 4a of the casing 4 to realize the grounding of the metal device 1 to reduce the signal interference to the antenna device 20 . The elastic member 2 with such a structure can arrange the elastic blocks 21 flexibly according to the size of the metal device 1 because the elastic blocks 21 can be arranged separately, so that the elastic blocks 21 can preferably carry the metal device 1 . Certainly, in other embodiments, please refer to FIG. 4 and FIG. 5 , the outer peripheral surface of the elastic block 23 may also be an arc surface. Specifically, the elastic member 2 includes two elastic blocks 23 , the outer peripheral surface of the elastic block 23 is a semicircular arc surface, and the two elastic blocks 23 are spliced together to form a cylindrical elastic member 2 . Please refer to FIG. 4 , the two elastic blocks 23 may have intervals in the circumferential direction, or please refer to FIG. 5 , the two elastic blocks 23 may be closely contacted on the circumferential surface to form a cylindrical body. Correspondingly, the cavity 2a of the elastic member 2 is an area surrounded by two semicircular elastic blocks 23 .

In another embodiment, please refer to FIG. 6 and FIG. 7, the elastic member 2 includes at least two springs 22, the at least two springs 22 are arranged around the edge of the first through hole 3a, and the at least two springs 22 are arranged around the edge of the first through hole 3a. The inner surface formed around the spring 22 is the cavity 2a of the elastic member 2 . Specifically, the spring 22 is a compression spring with a large amount of compression, so that when the metal device 1 is carried on the elastic member 2 composed of the spring 22, the distance between the metal device 1 and the circuit board 3 is relatively stable. Only when the mobile terminal 100 The spring 22 will be displaced in the height direction to buffer the vibration under the action of a relatively large impact force, so as to further improve the connection reliability between the connection assembly 10 and the mobile terminal 100 .

The elastic member 2 includes four springs 22, and the four springs 22 are evenly spaced, so that when the metal device 1 is carried on the free ends 22b of the four springs 22 (ie, the other end of the elastic member 2), each elastic block 21 is stressed. balanced. The fixed ends 22a of the four springs 22 together form one end of the elastic member 2, which is welded on the circuit board 3 to be firmly connected with the circuit board 3. It can be understood that the cavity 2a of the elastic member 2 is surrounded by four springs 22. area, so as to communicate with the first through hole 3a on the circuit board 3, so that the fastener 5 can pass through the second through hole 1a, the cavity 2a and the first through hole 3a in turn, until it connects with the ground screw of the housing 4 The posts 4 a are screwed together to realize the grounding of the metal device 1 to reduce the signal interference to the antenna device 20 . The elastic member 2 with such a structure can arrange the springs 22 flexibly according to the size of the metal device 1 because the springs 22 can be arranged separately, so that the springs 22 can preferably carry the metal device 1 . Of course, in other embodiments, the number of springs 22 may also be two or six.

For a further improvement, the first through hole 3a is provided with an internal thread, and the second through hole 1a is provided with an internal thread. By setting internal threads on the inner walls of the two through holes (the first through hole 3a, the second through hole 1a), the area of screw connection with the external thread of the fastener 5 is increased, and the screw connection of the fastener 5 is further reduced. Teeth slipping occurs. Of course, in other embodiments, one of the first through hole 3 a or the second through hole 1 a is provided with an internal thread.

When the mobile terminal 100 starts to be assembled, one end of the elastic member 2 is first welded on the circuit board 3, and the cavity 2a of the elastic member 2 is aligned with the first through hole 3a of the circuit board 3; The other end of the elastic part 2, and the second through hole 1a of the metal device 1 is aligned with the cavity 2a of the elastic component 2; then the fastener 5 passes through the second through hole 1a, the cavity 2a and the first through hole in sequence. Hole 3a until the fastener 5 extends into the ground stud 4a of the housing 4; finally, rotate the fastener 5 so that the fastener 5 is threaded on the ground stud 4a of the housing 4, thereby realizing the 1 and the circuit board 3 are firmly connected with the grounding stud 4a on the casing 4, thereby ensuring that the three have good grounding, so as to reduce the influence of the metal device 1 on the antenna device 20 inside the mobile terminal 100.

The connection assembly 10 and the mobile terminal 100 provided by the present invention sandwich the elastic member 2 between the metal device 1 and the circuit board 3, so that the metal device 1 and the circuit board 3 can be separated by a distance, that is, the metal device 1, the elastic member 2 and the circuit board 3 form a higher height, so that when the metal device 1 is fastened to the ground stud 4a of the housing 4 through the fastener 5, the existence of the elastic member 2 provides a better connection height, Most parts of the fastener 5 can be accommodated in the cavity 2 a of the elastic member 2 , so that the fastener 5 and the grounding stud 4 a can be better connected.

Please refer to Fig. 1 and Fig. 8, another connection assembly 30 provided by the second embodiment of the present invention is basically the same as the connection assembly 10 provided by the first embodiment of the present invention, the difference mainly lies in the metal device 6 and the circuit board 7 structure is different.

In this embodiment, the metal device 6 is a loudspeaker, that is, a speaker box and a shrapnel on the speaker. The metal device 6 is arranged close to the antenna device of the mobile terminal 100. Since the metal device 6 is made of a metal material, it will affect the mobile terminal 100. The radiated signal of the antenna device causes interference, affecting the reliability of the mobile terminal 100 . Correspondingly, a second through hole 6 a is opened on the metal device 6 .

In this embodiment, the circuit board 7 is a printed circuit board 7 . Correspondingly, a first through hole 7a is opened on the circuit board 7 . The elastic member is fixed on the circuit. The cavity 2 a of the elastic member is aligned with the first through hole 7 a of the circuit board 7 .

When the mobile terminal 100 starts to assemble, one end of the elastic member 2 is first welded on the circuit board 7, and the cavity 2a of the elastic member 2 is aligned with the first through hole 7a of the circuit board 7; then the metal device 6 is closely attached to the circuit board 7 The other end of the elastic member 2, and the second through hole 6a of the metal device 6 is aligned with the cavity 2a of the elastic component 2; then the fastener 5 passes through the second through hole 6a, the cavity 2a and the first through hole in sequence. Hole 7a until the fastener 5 extends into the ground stud 4a of the housing 4; finally, rotate the fastener 5 so that the fastener 5 is threaded on the ground stud 4a of the housing 4, thereby realizing the 1 and the circuit board 7 are firmly connected with the grounding stud 4a on the casing 4, thereby ensuring that the three have good grounding, so as to reduce the influence of the metal device 6 on the antenna device inside the mobile terminal 100.

The connection assembly 30 and the mobile terminal 100 provided by the present invention sandwich the elastic member 2 between the metal device 6 and the circuit board 7, so that the metal device 6 and the circuit board 7 can be separated by a distance, that is, the metal device 6, the elastic member 2 and the circuit board 7 form a higher height, so that when the metal device 6 is fastened to the ground stud 4a of the housing 4 through the fastener 5, the existence of the elastic member 2 provides a better connection height, Most parts of the fastener 5 can be accommodated in the cavity 2 a of the elastic member 2 , so that the fastener 5 and the grounding stud 4 a can be better connected.

It can be understood that the height involved is defined as the dimension along the extension direction of the central axis of the first through hole 3a, 7a.

It can be understood that the connection component 1 provided in the first embodiment and the connection component 30 provided in the second embodiment may be jointly disposed in the mobile terminal 100, or may be separately disposed.

The above are the preferred embodiments of the present invention. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered as the present invention. protection scope of the invention.

Claims (11)

1. A connecting assembly is characterized by comprising a circuit board and an elastic piece, wherein the circuit board is provided with a first through hole, one end of the elastic piece is fixed on the circuit board, the elastic piece is provided with a containing cavity, the containing cavity of the elastic piece is communicated with the first through hole of the circuit board, the other end of the elastic piece extends towards the direction far away from the circuit board, and the other end of the elastic piece is used for bearing a metal device, so that a space is formed between the metal device and the circuit board.

2. The connecting assembly according to claim 1, wherein the resilient member includes at least two resilient blocks, the at least two resilient block posts are disposed around an edge of the first through hole, and an inner surface of the at least two resilient blocks is a cavity of the resilient member.

3. The connection assembly according to claim 2, wherein the outer circumferential surface of the elastic block is a cylindrical surface; or,

the peripheral surface of the elastic block is a cambered surface.

4. The connecting assembly according to claim 1, wherein the resilient member includes at least two springs disposed around an edge of the first through hole, and an inner surface of the at least two springs is a cavity of the resilient member.

5. A connection assembly according to claim 2 or 3, wherein one end of the resilient member is soldered to the circuit board.

6. The connecting assembly according to claim 1, further comprising a metal component, a fastener and a housing, wherein the metal component has a second through hole, the metal component is fixed on the other end of the elastic member, the second through hole is communicated with the cavity of the elastic member, the housing has a ground stud, the fastener is provided with external threads, and the fastener sequentially passes through the second through hole, the cavity and the first through hole until being screwed on the ground stud to fasten the metal component on the housing.

7. The connection assembly according to claim 6, wherein the first through bore is internally threaded, the internal threads of the first through bore being adapted to threadably engage the external threads of the fastener.

8. The connection assembly of claim 6, wherein the second through-hole is internally threaded, the internal threads on the second through-hole for threaded connection with external threads on the fastener.

9. The connection assembly of claim 7, wherein the circuit board is a printed circuit board; or,

the circuit board is a flexible circuit board.

10. The connection assembly of claim 7, wherein the metal device is a metal insert on a speaker; or,

the metal device is an elastic sheet on the loudspeaker.

11. A mobile terminal, characterized in that it comprises a connection assembly according to any of claims 1 to 10.