CN108232499B - Circuit board assembly and electronic device - Google Patents

Abstract

The application discloses circuit board assembly and electronic device. The circuit board assembly includes: a circuit board; the BTB connector is arranged on the circuit board; the clamp plate structure includes clamp plate, first connecting piece and locating part, wherein: the first connecting piece is arranged on the circuit board; the clamp plate includes the clamp plate main part and sets up first connecting portion and the second connecting portion at the relative both ends of clamp plate main part, and wherein, the clamp plate main part supports the top on the BTB connector, and first connecting portion are fixed with the circuit board to first connecting portion have the opening, and the second connecting portion can be dismantled with first connecting piece and be connected, and the locating part carries on spacingly to being connected of second connecting portion and first connecting piece, thereby the clamp plate main part compresses tightly the BTB connector on the circuit board through first connecting portion and second connecting portion. Therefore, the purpose of full layout can be achieved, and the stability of the second connecting portion can be improved.

Description

A circuit board assembly and electronic device

technical field

The present application relates to the technical field of electronic equipment board-to-board connector fixing structures, and in particular, to a circuit board assembly and an electronic device.

Background technique

Terminal electronic devices such as mobile phones and tablet computers usually need to connect two or more circuit boards through a BTB (Board To Board, board-to-board) connector. For example, in a mobile phone structure, a sub-circuit board carrying or connected with functional elements is usually electrically connected to the main board through a BTB connector. However, the BTB connector usually has a problem of instability, which makes the sub-circuit board and the main board easily disconnected. A common practice in the prior art is to cover the BTB connector with a pressure plate structure. However, due to the addition of a pressure plate for fixing the BTB, the space for arranging other components is narrower, which is not conducive to the overall layout of the electronic equipment. .

SUMMARY OF THE INVENTION

In one aspect, embodiments of the present application provide a circuit board assembly, the circuit board assembly comprising:

circuit board;

BTB connector, provided on the circuit board;

A pressure plate structure, including a pressure plate, a first connecting piece and a limiting piece, wherein:

the first connector is arranged on the circuit board;

The pressing plate includes a pressing plate main body and a first connecting part and a second connecting part arranged at opposite ends of the pressing plate main body, wherein the pressing plate main body abuts on the BTB connector, and the first connecting part is connected to the The circuit board is fixed, and the first connecting portion has an opening, the second connecting portion is detachably connected to the first connecting piece, and the limiting piece is connected to the second connecting portion and the first connecting piece. The connection of the connecting piece is limited, so that the pressing board body presses the BTB connector on the circuit board through the first connecting part and the second connecting part.

On the other hand, an embodiment of the present application also provides an electronic device, the electronic device includes the circuit board assembly described above.

In the embodiments of the present application, by setting the first connection portion of the pressing plate to have an opening, other components on the circuit board can make full use of the position of the opening. Parts of the circuit board are located at the openings so that adequate layout can be achieved.

In addition, the connection between the second connecting part and the first connecting part is limited by the limiting part, so that the stability of the second connecting part can be improved.

Description of drawings

FIG. 1 is a schematic structural diagram of a circuit board assembly provided by the first embodiment of the present application;

FIG. 2 is an enlarged structural schematic diagram of a first connection portion of the circuit board assembly shown in FIG. 1;

3 is a schematic structural diagram of a circuit board assembly provided by a second embodiment of the present application;

FIG. 4 is an enlarged structural schematic diagram of the first connection portion of the circuit board assembly shown in FIG. 3;

5 is an enlarged schematic structural diagram of a first connection portion of a circuit board assembly provided by a third embodiment of the present application;

6 is an enlarged schematic structural diagram of a first connection portion of a circuit board assembly provided in a fourth embodiment of the present application;

7 is an enlarged schematic structural diagram of a first connection portion of a circuit board assembly provided in a fifth embodiment of the present application;

8 is an enlarged schematic structural diagram of a first connection portion of a circuit board assembly provided in a sixth embodiment of the present application;

9 is a schematic structural diagram of a circuit board assembly provided by a seventh embodiment of the present application;

FIG. 10 is a schematic structural diagram of the second connecting portion, the connecting member and the limiting member of the circuit board assembly shown in FIG. 9;

11 is a schematic structural diagram of a second connecting portion and a connecting piece provided by the eighth embodiment of the present application;

FIG. 12 is a schematic structural diagram of the circuit board assembly provided by the ninth embodiment of the present application;

13 is a schematic structural diagram of a circuit board assembly provided by a tenth embodiment of the present application;

FIG. 14 is a schematic structural diagram of a pressing plate of the circuit board assembly shown in FIG. 13;

FIG. 15 is a schematic diagram of the overall structure of an embodiment of the electronic device of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all the structures related to the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second", etc. in this application are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

Please refer to FIG. 1 , which is a schematic structural diagram of a circuit board assembly provided by a first embodiment of the present application. In this embodiment, the circuit board assembly 10 includes a circuit board 11 , a BTB connector 12 and a pressure plate structure 13 .

The circuit board 11 is a support body for electronic components, and is a carrier for electrical connection of electronic components.

The BTB connector 12 is provided on the circuit board 11 . The BTB connector 12 is used to connect the two circuit boards 11 so that the two circuit boards 11 can be connected mechanically and electrically. The BTB connector 12 is characterized by the use of male and female connectors. That is to say, the male connector and the female connector are respectively arranged on the two circuit boards to be connected, so that the mechanical and electrical connection of the two circuit boards is realized through the pairing of the male and female connectors.

The pressure plate structure 13 is used to fix the BTB connector 12 . The pressure plate structure 13 includes a pressure plate 131 . The material of the pressing plate structure 13 may be a metal material such as iron, aluminum, an alloy material, or a plastic material.

The pressing plate 131 includes a pressing plate main body 133 and a first connecting portion 134 and a second connecting portion 135 disposed at opposite ends of the pressing plate main body 133 . The first connecting portion 134 and the second connecting portion 135 are respectively formed by bending in the same direction from opposite ends of the pressing plate body 133 . The first connection part 134 and the second connection part 135 may be integrally formed with the pressing plate body 133 . The main body 133 of the pressing plate is pressed against the BTB connector 12 , and the first connecting portion 134 and the second connecting portion 135 are fixed on the circuit board 11 . And the first connection part 134 has the opening 110 .

In this embodiment, the first connecting portion 134 of the pressing plate 131 has an opening 110 , and other components on the circuit board 11 can make full use of the position of the opening 110 . For example, a component with a higher height and a larger area can be arranged near the opening 110, and the part higher than the circuit board 11 can be arranged at the position of the opening 110, that is, the space position on the circuit board 11 can be fully utilized, so as to achieve The purpose of saving the circuit board 11 .

Further, the circuit board assembly 10 further includes a connecting piece 132 , and the connecting piece 132 can be fixed on the circuit board 11 . Specifically, the connecting member 132 can be pasted on the circuit board 11 by an adhesive, and can also be fixed on the circuit board 11 by plugging or screwing. This embodiment does not limit the manner in which the connector 132 is fixed on the circuit board 11 .

The opening 110 opens toward the connecting member 132 . In other embodiments, the openings 110 may also be arranged in other orientations.

The first connecting portion 134 is detachably connected to the connecting member 132 , that is, the first connecting portion 134 can be fixed on the circuit board 11 through the connecting member 132 . Specifically, the first connecting portion 134 includes a connecting body 136 and sub-connecting portions 137 located on both sides of the connecting body 136 and spaced apart. The connecting body 136 and the two sub-connecting portions 137 together form an opening 110 . The sub-connecting portion 137 is detachably connected to the connecting member 132 . In this embodiment, the structures of the two sub-connecting parts 137 are completely the same, so this embodiment only describes the specific structure of one of the sub-connecting parts 137 in detail. Of course, the two sub-connecting parts 137 may also have different structures.

Please also refer to FIG. 2 , which is an enlarged schematic structural diagram of the first connecting portion 134 shown in FIG. 1 . As shown in FIGS. 1 and 2 , the sub-connection part 137 includes a first extension part 138 , a second extension part 139 and a third extension part 140 .

The first extension portion 138 extends from one side of the connection body 136 toward the circuit board 11 , and extends downward as shown in FIG. 1 , and can extend to the surface of the circuit board 11 . Furthermore, the first extension part 138 may further include a first sub-extension part 1381 and a second sub-extension part 1382 arranged in a stepped shape, and the first sub-extension part 1381 is closer to the connecting body 136 than the second sub-extension part 1382 . The stepped arrangement of the first sub-extension portion 1381 and the second sub-extension portion 1382 can facilitate the formation of the first extension portion 138 on the one hand, and improve the strength of the first extension portion 138 on the other hand.

The second extension portion 139 extends from one end of the first extension portion 138 away from the connection body 136 to the direction of the other side surface of the connection body 136 . That is to say, the second extension portion 139 is connected to one end of the second sub-extension portion 1382 of the first extension portion 138 away from the first sub-extension portion 1381 , and extends to the other second extension portion 139 along the surface of the circuit board 11 . The extending direction of the second extending portion 139 may be perpendicular to the extending direction of the first extending portion 138 .

The third extension portion 140 extends from one end of the second extension portion 139 away from the first extension portion 138 toward the connecting member 132 . The extension direction of the third extension part 140 may be perpendicular to the extension direction of the first extension part 138 and the extension direction of the second extension part 139 . Finally, the two third extension parts 140 extend to the connecting piece 132 in parallel to realize the detachable connection with the connecting piece 132 . And there is a gap between the two third extension parts 140 .

The connecting member 132 can be in the shape of a slot, and the third extending portion 140 can be a straight plate-like structure. The third extension portion 140 is directly inserted into the slot to realize the insertion of the first connecting portion 134 and the connecting member 132 .

As mentioned above, the sub-connection portion 137 in this embodiment extends from the side of the connection body 136 toward the circuit board 11 , and then bends toward the middle of the connection body 136 (ie, bends inward), so that the An opening 110 is formed on the front surface of the connecting body 136 , as shown in FIG. 1 , on a surface corresponding to the connecting piece 132 . The position of the opening 110 can provide for the placement of other circuit components on the circuit board 11 , thereby achieving a rational layout and saving the space of the circuit board 11 .

Considering the strength of the sub-connecting portion 137 extending from the side of the connecting body 136, in this embodiment, the size of the first connecting portion 134 can be set larger than that of the pressing plate body 133, that is, as shown in FIG. The length of the side where the connection portion 134 is connected is smaller than the length of the side where the first connection portion 134 is connected with the platen body 133 . Therefore, a wider third extension portion 140 can be provided, so as to improve the strength of the connection between the third extension portion 140 and the connecting member 132 .

Further, the pressing plate body 133 is provided with a concave portion 130 that is concave toward the BTB connector 12 . The lower surface of the recessed portion 130 is closer to the circuit board 11 than the lower surface of the pressing plate body 133 . The concave portion 130 in this embodiment only occupies part of the area of the pressing plate body 133 and is disposed closer to the second connecting portion 135 . The pressing plate body 133 presses the BTB connector 12 through the recessed portion 130 . Specifically, in this embodiment, after the first connecting portion 134 and the connecting member 132 are plugged in, the concave portion 130 can be pressed in the direction of the circuit board 11 , so that the second connecting portion 135 can be pressed onto the circuit board 11 . Fixing with circuit board 11. The distance between the recessed portion 130 and the circuit board 11 can be equal to the height of the BTB connector 12 higher than the circuit board 11 , so that the lower surface of the recessed portion 130 abuts the upper surface of the BTB connector 12 , and the recessed portion 130 can connect the BTB connector 12 . The connector 12 is pressed against the circuit board 11 .

It should be understood that, in other embodiments, the area of the concave portion 130 may also be equal to the area of the pressing plate body 133 .

Please refer to FIG. 3 and FIG. 4 . FIG. 3 is a schematic structural diagram of a circuit board assembly provided by the second embodiment of the present application. FIG. 4 is an enlarged schematic structural diagram of the first connecting portion shown in FIG. 3 . As shown in FIGS. 3 and 4 , the circuit board assembly 20 of this embodiment still includes a circuit board 21 , a BTB connector 22 and a pressure plate structure 23 . The structures of the circuit board 21 and the BTB connector 22 are respectively the same as the structures of the circuit board 11 and the BTB connector 12 described above, and will not be repeated here.

In this embodiment, the pressing plate structure 23 is used to fix the BTB connector 22 . The pressing plate structure 23 includes a pressing plate 231 and a connecting member 232 . Wherein, the connecting member 232 may be disposed on the circuit board 21 . Specifically, the fixing method of the connecting member 232 and the circuit board 21 can be referred to the above-mentioned, which will not be repeated here.

The pressing plate 231 includes a pressing plate main body 233 and a first connecting portion 234 and a second connecting portion 235 disposed at opposite ends of the pressing plate main body 233 . The structures of the pressing plate main body 233 and the second connecting portion 235 are respectively the same as those of the pressing plate main body 133 and the second connecting portion 135 described above, and will not be repeated here.

The circuit board assembly 20 of this embodiment is different from the circuit board assembly 10 described above in that the structure of the first connection portion 234 of this embodiment is different from the first connection portion 134 described above. Specifically, the first connecting portion 234 is detachably connected to the connecting member 232 , and the first connecting portion 234 forms an opening 200 in a region corresponding to the connecting member 232 . Further, the first connecting portion 234 includes a connecting body 236 and sub-connecting portions 237 located on both sides of the connecting body 236 and spaced apart. The connection main body 236 and the two sub-connection parts 237 together form the opening 200 . The sub-connecting portion 237 is detachably connected to the connecting member 232 . In this embodiment, the structures of the two sub-connecting parts 237 are completely the same, so this embodiment only describes the specific structure of one of the sub-connecting parts 237 in detail. Of course, the two sub-connecting parts 237 may also have different structures.

The sub-connection portion 237 includes a first extension portion 238 and a second extension portion 239 . The first extension portion 238 extends from one side of the connection body 236 in a direction facing the circuit board 21 . It extends downward as shown in FIGS. 3 and 4 , and may extend to the surface of the circuit board 21 . Furthermore, the first extension part 238 may further include a first sub-extension part 2381 and a second sub-extension part 2382 arranged in a stepped shape, and the first sub-extension part 2381 is closer to the connection body 236 than the second sub-extension part 2382 . The stepped arrangement of the first sub-extension portion 2381 and the second sub-extension portion 2382 can facilitate the formation of the first extension portion 238 on the one hand, and improve the strength of the first extension portion 238 on the other hand.

The second extension portion 239 extends from one end of the first extension portion 238 away from the connection body 236 toward the connection member 232 . That is to say, the second extension portion 239 is connected to the end of the second sub-extension portion 2382 of the first extension portion 238 away from the first sub-extension portion 2381 , and extends along the surface of the circuit board 21 toward the connecting member 232 , The extending direction of the second extending portion 239 may be perpendicular to the extending direction of the first extending portion 238 . Finally, the two second extension parts 239 extend to the connecting piece 232 in parallel to realize the detachable connection with the connecting piece 232 . And there is a gap directly between the two second extending portions 239 .

In this embodiment, the structure of the connecting member 232 is the same as that of the connecting member 132 described above, and the connection manner of the connecting member 232 with the second extending portion 239 may also be the same as that described above, which will not be repeated here.

To sum up, the circuit board assembly 20 of this embodiment saves an extension of the first connecting portion compared to the circuit board assembly 10 described above, thereby achieving the purpose of saving materials and increasing costs.

Please refer to FIG. 5 . FIG. 5 is an enlarged schematic structural diagram of the first connection portion of the circuit board assembly provided by the third embodiment of the present application. It is worth noting that the front view of the appearance of the circuit board assembly of this embodiment is the same as the structure of the circuit board assembly shown in FIG. The structures of the components are respectively the same as those of the BTB connector 12 , the pressing plate 131 of the pressing plate structure 13 , the second connecting portion 135 and the connecting piece 132 , which are not repeated here.

The circuit board assembly of this embodiment differs from the circuit board assembly described above in that the first connecting portion 334 of the pressing plate of this embodiment includes a connecting body 336 and sub-connecting portions located on both sides of the connecting body 336 and spaced apart from each other. 337 , the sub-connecting parts 337 are detachably connected to the connecting piece 332 , and the two sub-connecting parts 337 form openings 300 in regions corresponding to the connecting pieces 332 . A balancer 34 is disposed between the sub-connecting parts 337 and the circuit board 31 to improve the flatness of the two sub-connecting parts 337 .

Specifically, the sub-connection portion 337 includes a first extension portion 338 , a second extension portion 339 and a third extension portion 340 . The first extension portion 338 extends from one side of the connection body 336 toward the circuit board 31 , and the second extension portion 339 extends from one end of the first extension portion 338 away from the connection body 336 toward the other side of the connection body 336 Extending, the third extending portion 340 extends from one end of the second extending portion 339 away from the first extending portion 338 toward the direction of the connecting member 332 . The specific extension structures of the first extension portion 338 , the second extension portion 339 and the third extension portion 340 are as described above, and are not repeated here.

The balance member 34 is disposed between the third extension portion 340 and the circuit board 31 . Specifically, the balancer 34 may be disposed on the side of the third extending portion 340 facing the circuit board 31 , or may be disposed on the side of the circuit board 31 facing the third extending portion 340 . The balance member 34 may be a protrusion provided on the third extension portion 340 or a protrusion provided on the circuit board 31 . Specifically, it can be set by welding, or it can be set by integral molding.

The balance member 34 is also suitable for the aforementioned circuit board assembly 20 , as shown in FIG. 6 . The sub-connection portion 437 of the first connection portion 434 includes a first extension portion 438 and a second extension portion 439. The first extension portion 438 extends from one side of the connection body 436 toward the circuit board 41, and the second extension portion 439 extends from the One end of the extension portion 438 away from the connecting body 436 extends toward the connecting member. The balancer 44 is disposed between the second extension portion 439 and the circuit board 41 . The specific settings can be as described above, and are not repeated here.

Please refer to FIG. 7 . FIG. 7 is an enlarged schematic structural diagram of the first connection portion of the circuit board assembly provided by the fifth embodiment of the present application. It is worth noting that the front view of the appearance of the circuit board assembly in this embodiment is the same as the structure of the circuit board assembly shown in FIG. 1 , that is, the circuit board, the BTB connector, the pressure plate of the pressure plate structure, the second connection The structures of the connector and the connector are respectively the same as those of the circuit board 11 , the BTB connector 12 , the pressing plate 131 of the pressing plate structure 13 , the second connecting part 135 and the connector 132 , and will not be repeated here.

The circuit board assembly of this embodiment is different from the circuit board assembly described above in that the structure of the first connecting portion 534 of the pressing plate of this embodiment is different from that of the first connecting portion described above.

Specifically, the first connecting portion 534 includes a connecting body 536 and sub-connecting portions 537 located on both sides of the connecting body 536 and spaced apart. The sub-connecting portions 537 are detachably connected to the connecting piece, and the two sub-connecting portions 537 are connected to the corresponding connecting piece. , the opening 500 is formed. The parts of the two sub-connecting parts 537 connected with the connecting piece are fixedly connected together, so as to improve the flatness of the two sub-connecting parts 537 . In this embodiment, the parts of the two sub-connecting parts 537 that are connected to the connecting piece can be fixedly connected together by solder 54 or adhesive 54 .

More specifically, the sub-connection part 537 includes a first extension part 538 , a second extension part 539 and a third extension part 540 . The first extension portion 538 extends from one side of the connection body 536 toward the circuit board 51 , and the second extension portion 539 extends from one end of the first extension portion 538 away from the connection body 536 toward the other side of the connection body 536 Extending, the third extending portion 540 extends from one end of the second extending portion 539 away from the first extending portion 538 toward the connecting member. The specific extension structures of the first extension portion 538 , the second extension portion 539 and the third extension portion 540 are as described above, and will not be repeated here.

Solder 54 or adhesive 54 is provided on the surfaces of the two third extensions 540 . Specifically, the solder 54 or the adhesive 54 is disposed on the surface of one of the third extension parts 540 and extends to the surface of the other third extension part 540 , thereby fixing the two third extension parts 540 together.

It should be understood that the solder 54 or the adhesive 54 is also applicable to the circuit board assemblies of the second embodiment, the third embodiment and the fourth embodiment mentioned above. The agent 54 is connected and fixed. The specific settings are similar to those of the present application, and are not repeated here.

Please refer to FIG. 8 . FIG. 8 is an enlarged schematic structural diagram of the first connection portion of the circuit board assembly provided by the sixth embodiment of the present application. It is worth noting that the front view of the appearance of the circuit board assembly in this embodiment is the same as the structure of the circuit board assembly shown in FIG. 1 , that is, the circuit board, the BTB connector, the pressure plate of the pressure plate structure, the second connection The structures of the connector and the connector are respectively the same as those of the circuit board 11 , the BTB connector 12 , the pressing plate 131 of the pressing plate structure 13 , the second connecting part 135 and the connector 132 , and will not be repeated here.

The circuit board assembly of this embodiment is different from the circuit board assembly described above in that the first connection portion 634 of the pressing plate of this embodiment is different from that described above.

Specifically, the first connecting portion 634 includes a connecting body 636 and sub-connecting portions 637 located on both sides of the connecting body 636 and spaced apart. The sub-connecting portions 637 are detachably connected to the connecting piece, and the two sub-connecting portions 637 are connected to the corresponding connecting piece. , the opening 600 is formed. The parts of the two sub-connecting parts 637 that are connected to the connecting piece are fixedly connected together, so as to improve the flatness of the two sub-connecting parts 637 . In this embodiment, the parts of the two sub-connecting parts 637 that are connected to the connecting piece can be fixedly connected together by the fixing piece 64 .

More specifically, the sub-connection portion 637 includes a first extension portion 638 , a second extension portion 639 and a third extension portion 640 . The first extension portion 638 extends from one side of the connection body 636 toward the circuit board 61 , and the second extension portion 639 extends from one end of the first extension portion 638 away from the connection body 636 toward the other side of the connection body 636 Extending, the third extending portion 640 extends from one end of the second extending portion 639 away from the first extending portion 638 toward the connecting member. The specific extension structures of the first extension portion 638 , the second extension portion 639 and the third extension portion 640 are as described above, and are not repeated here.

The fixing member 64 includes a fixing body 641 , a fixing side wall 642 and a fixing engaging portion 643 . The fixing body 641 is disposed on the upper surfaces of the two third extending parts 640 , and the fixing side walls 642 are disposed on the two ends of the two third extending parts 640 of the fixing body 641 , and extend from the upper surfaces of the third extending parts 640 . Extending toward the direction of the circuit board 61 , the fixed engaging portion 643 extends from one end of the fixed side wall 642 away from the fixed main body 641 to the opposite fixed engaging portion 643 . It is worth noting that the fixed engaging portion 643 extends along the surface of the circuit board 61 in the direction of the other fixed engaging portion 643 . The fixed engaging portion 643 is disposed between the third extension portion 640 and the circuit board 61 , so that the two third extension portions 640 can be fixed, and the third extension portion 640 can also be supported. The flatness of the third extension portion 640 is maintained.

It should be understood that the fixing member 64 of this embodiment is also applicable to the circuit board assemblies of the second embodiment, the third embodiment and the fourth embodiment mentioned above, and the extension part to be connected with the connecting member is connected and fixed by the fixing member 64 . The specific settings are similar to those in this embodiment, and are not repeated here.

Please refer to FIG. 9 , which is a schematic structural diagram of a circuit board assembly provided by a seventh embodiment of the present application. As shown in FIG. 9 , the circuit board assembly 70 of this embodiment still includes a circuit board 71 , a BTB connector 72 and a pressure plate structure 73 . The circuit board 71 and the BTB connector 72 are the same as the circuit board and the BTB connection described above, and will not be repeated here.

In this embodiment, the pressing plate structure 73 includes a pressing plate 731 , connecting members 732 and 733 and a limiting member 734 .

Connectors 732 and 733 are provided on the circuit board 71 .

The pressing plate 731 includes a pressing plate main body 735 and a first connecting portion 736 and a second connecting portion 737 provided at both ends of the pressing plate main body 735 . The pressing plate body 735 is pressed against the BTB connector 72 , the first connecting portion 736 is detachably connected to the connecting piece 732 , and the first connecting portion 736 forms an opening in a region corresponding to the connecting piece 732 . The structure and connection relationship between the first connection portion 736 and the connection member 732 may be the same as the structures and connection relationship between the first connection portion and the connection member described in the first embodiment to the sixth embodiment, which will not be repeated here.

In this embodiment, the second connecting portion 737 is detachably connected to the connecting member 733, and the limiting member 734 limits the connection between the second connecting portion 737 and the connecting member 733, so that the pressing plate body 735 passes through the first connecting portion 736 and the first connecting portion 736 and the second connecting member 733. The two connecting parts 737 press the BTB connector 72 against the circuit board 71 .

Therefore, in this embodiment, by forming an opening in a region of the first connecting portion 736 corresponding to the connecting member 732 , other components disposed on the circuit board 71 can make full use of the opening. For example, components with higher height and larger area can be arranged near the connector, and the part higher than the connector can be arranged at the opening, that is, the space on the circuit board can be fully utilized, so as to save the circuit board 71 Purpose.

Further, in this embodiment, the connection between the second connecting portion 737 and the connecting member 733 is limited by the limiting member, so that the second connecting portion 737 can be effectively fixed and the stability of the pressing plate 735 can be improved.

Please also refer to FIG. 10 . FIG. 10 is a schematic structural diagram of the second connecting portion, the connecting member 733 and the limiting member 734 of the circuit board assembly shown in FIG. 9 . A connecting hole 7371 is provided on the second connecting portion 737 . The connecting member 733 includes a first positioning portion 7331 and a second positioning portion 7332 that are spaced apart. The first positioning portion 7331 is a snap structure and is engaged with the connecting hole 7371 . More specifically, the buckle is bent from the second connecting portion 737 to the direction of the second positioning portion 734 . The second positioning portion 7332 is disposed on the side of the first positioning portion 7331 away from the second connecting portion 737 . Therefore, when the second connecting portion 737 is assembled, it can be stretched slightly from the position of the first positioning portion 7331 to the direction of the second positioning portion 7332, so that the second connecting portion 737 is elastically deformed, and then pressed down. , when the connecting hole 7371 of the second connecting part 737 is parallel to the position of the buckle, the tensile force acting on the second connecting part 737 is cancelled, and the second connecting part 737 is moved to the first positioning part 7331 under the action of the elastic force. The direction of the snap is retracted, and the snap is snapped into the connection hole 7371 . Further, the limiting member 734 is disposed between the first positioning portion 7331 and the second positioning portion 7332 . And the limiting member 734 is made of elastic material, and the size of the limiting member 734 is greater than or equal to the interval between the first positioning portion 7331 and the second positioning portion 7332 . Thereby, the buckle of the first positioning portion 7331 can be abutted, and the buckle of the first positioning portion 7331 can be prevented from being disengaged from the engaging hole 7371 .

More specifically, the connecting member 733 further includes a connecting body 7333 connecting the first positioning portion 7331 and the second positioning portion 7332 , and the limiting member 734 is disposed on the connecting body 7333 . As shown in FIG. 10 , the limiting member 734 is disposed on the connecting body 7333 through the double-sided adhesive tape 7334 .

It should be understood that the structures of the second connecting portion 737 , the connecting member 733 and the limiting member 734 in this embodiment can also match the structures of the first connecting portion and the connecting member of the circuit board assembly of the second embodiment to the sixth embodiment. to compress the BTB connector.

Referring to FIG. 11 , in other embodiments, the first positioning portion 7331 and the second positioning portion 7732 can also be arranged at intervals and separately, that is to say, the connecting body is omitted, and the first positioning portion 7331 and the second positioning portion 7332 are directly arranged on circuit board 71. The limiting member 74 is also disposed on the circuit board 71 and is located between the first positioning portion 7331 and the second positioning portion 7332 . The first positioning portion 7331 , the second positioning portion 7332 and the limiting member 74 can all be disposed on the circuit board by pasting, screwing, or plugging.

It should be understood that the structures of the second connecting portion 737 , the connecting member 733 and the limiting member 734 in this embodiment can also match the structures of the first connecting portion and the connecting member of the circuit board assembly of the second embodiment to the sixth embodiment. to compress the BTB connector.

Please refer to FIG. 12. FIG. 12 is a schematic structural diagram of the circuit board assembly provided by the ninth embodiment of the present application. As shown in FIG. 12 , the circuit board assembly 90 of this embodiment still includes a circuit board 91 , a BTB connector 92 and a pressure plate structure 93 . The circuit board 91 and the BTB connector 92 are the same as the circuit board and the BTB connection described above, and will not be repeated here.

In this embodiment, the pressing plate structure 93 includes a pressing plate 931 and a connecting member 932 . Wherein, the connector 932 is provided on the circuit board 91 .

The pressing plate 931 includes a pressing plate main body 933 and a first connecting portion 934 and a second connecting portion 935 disposed at opposite ends of the pressing plate main body 933 , wherein the pressing plate main body 933 abuts on the BTB connector 92 , and the first connecting portion 934 and the connecting piece 932 The connection is detachable, and the first connection portion 934 forms an opening in the area corresponding to the connection piece 932. The structure and connection relationship between the first connection portion 934 and the connection piece 732 can be as described in the first embodiment to the sixth embodiment. This will not be repeated here.

The second connection portion 935 can be connected to the circuit board 91 by adhesive bonding. Specifically, the second connecting portion 935 can be pasted with the circuit board 91 through double-sided tape 936 or foam tape 936 .

It should be understood that the fixing method of the second connecting portion 935 and the circuit board 91 in this embodiment can also be matched with the structures of the first connecting portion and the connecting member of the circuit board assembly of the second embodiment to the sixth embodiment to compress the BTB Connector.

Please refer to FIG. 13 , which is a schematic structural diagram of the circuit board assembly provided by the tenth embodiment of the present application. As shown in FIG. 13 , the circuit board assembly 100 of this embodiment still includes a circuit board 101 , a BTB connector 102 and a pressure plate structure 103 . The circuit board 101 and the BTB connector 102 are the same as the circuit board and the BTB connection described above, and will not be repeated here.

In this embodiment, the pressing plate structure 103 includes a pressing plate 1031 and a connecting member 1032 . Wherein, the connector 1032 is provided on the circuit board 101 .

The pressing plate 1031 includes a pressing plate main body 1033 and a first connecting portion 1034 and a second connecting portion 1035 disposed at opposite ends of the pressing plate main body 1033 , wherein the pressing plate main body 1033 abuts on the BTB connector 102 , and the first connecting portion 1034 and the connecting piece 1032 Removable connection, and the first connection part 1034 forms an opening 1001 in the area corresponding to the connection piece 1032, the structure and connection relationship between the first connection part 1034 and the connection piece 1032 can be as described in the first embodiment to the sixth embodiment above, It is not repeated here.

The second connection portion 1035 is detachably connected to the circuit board 101 .

Please also refer to FIG. 14 . FIG. 14 is an enlarged schematic view of the structure of the pressing plate of the circuit board assembly shown in FIG. 13 . As shown in FIGS. 13 and 14 , the circuit board 101 is provided with an engaging hole 1011 , and the engaging hole 1011 may be a rectangular hole formed on the circuit board 101 .

The second connecting portion 1035 includes a first extending portion 1036 , a locking portion 1037 and a second extending portion 1038 . The first extension portion 1036 extends from one end of the platen body 1033 to the direction of the circuit board 101 , and the engaging portion 1037 extends from one end of the first extension portion 1036 away from the platen body 1033 in a direction parallel to the circuit board 101 , and the engaging portion 1037 In cooperation with the engaging hole 1011, the engaging portion 1036 is elastically deformed under the pressing force of the engaging hole 1011, and after passing through the engaging hole 1011, it returns to its original shape under the action of the elastic force, and is engaged in the engaging hole Outside of 1011. The width of the engaging portion 1037 is greater than or equal to the width of the engaging hole 1011 .

The second extending portion 1038 extends from the end of the engaging portion 1037 away from the first extending portion 1036 in the direction of the circuit board 101 , and forms an acute angle θ with one end of the engaging portion 1037 , that is, the second extending portion 1038 extends from the engaging portion An end of the 1037 away from the first extension portion 1036 extends obliquely toward an end of the engaging portion 1037 close to the first extension portion 1036 . The second extending portion 1038 arranged at an acute angle can guide the engaging portion 1037 to move in the engaging hole 1011 and facilitate elastic deformation of the engaging portion 1037 .

In other embodiments, the angle formed between the second extension portion 1038 and the engaging portion 1037 may also be other angles, as long as it can guide the engaging portion 1037 to move in the engaging hole 1011 and facilitate the elastic deformation of the engaging portion 1037 ie Can.

Please refer to FIG. 15 . FIG. 15 is a schematic diagram of the overall structure of an embodiment of the electronic device of the present application. The electronic device can be a mobile phone, a tablet computer, a notebook computer, a wearable device, etc., and a mobile phone is used as an example in this embodiment. The electronic device may include structures such as a screen 1501 , a terminal casing, and the circuit board assembly in the above-mentioned embodiments (the circuit board assembly is provided inside the terminal casing, so it is not marked in the figure). For the specific structural features of the circuit board assembly, please refer to the relevant description of the above-mentioned circuit board assembly embodiments, which will not be described in detail here.

The above description is only an embodiment of the present application, and is not intended to limit the scope of the patent of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied to other related technologies Fields are similarly included within the scope of patent protection of this application.

Claims (6)

1. A circuit board assembly, wherein the circuit board assembly comprises: circuit board; BTB connector, provided on the circuit board; A pressure plate structure, including a pressure plate, a first connecting piece and a limiting piece, wherein: the first connector is arranged on the circuit board; The pressing plate includes a pressing plate main body and a first connecting part and a second connecting part arranged at opposite ends of the pressing plate main body, wherein the pressing plate main body abuts on the BTB connector, and the first connecting part is connected to the The circuit board is fixed, the first connection part has an opening, the second connection part is detachably connected to the first connection part, and the limiting part is connected to the second connection part and the first connection part. The connection of the parts is limited, so that the pressing plate body presses the BTB connector on the circuit board through the first connecting part and the second connecting part; the circuit board assembly further includes a second connecting part , the second connector is fixed on the circuit board, the opening faces the second connector, the first connector is detachably connected to the second connector; the first connector includes a connecting body and sub-connecting parts located on both sides of the connecting body and spaced apart, the sub-connecting parts are detachably connected to the second connecting piece, and the opening is formed by the two sub-connecting parts; the sub-connecting parts The connection part includes a first extension part, a second extension part and a third extension part, wherein the first extension part extends from one side of the connection body to the direction of the circuit board, and the second extension part extends from One end of the first extension part away from the connection body extends in the direction of the other side surface of the connection body; the third extension part extends from the end of the second extension part away from the first extension part to the other side of the connection body. extending in the direction of the second connector. 2 . The circuit board assembly of claim 1 , wherein the first extension part further comprises a first sub-extension part and a second sub-extension part arranged in a stepped shape, and the first sub-extension part closer to the connection body than the second sub-extension. 3 . The circuit board assembly according to claim 1 , wherein a connecting hole is provided on the second connecting part, and the first connecting part comprises a first positioning part and a second positioning part which are arranged at intervals, and the 3 . The first positioning portion is a buckle structure, which is engaged with the connecting hole, and the limiting member is arranged between the first positioning portion and the second positioning portion. 4 . The circuit board assembly of claim 3 , wherein the buckle is bent from the second connecting portion toward the direction of the second positioning portion. 5 . 5 . The circuit board assembly according to claim 4 , wherein the first connecting member further comprises a connecting body connecting the first positioning portion and the second positioning portion, and the limiting member is provided on the on the connecting body. 6. An electronic device, wherein the electronic device comprises the circuit board assembly according to any one of claims 1-5.