CN216218298U - Circuit board fixing structure and electronic equipment - Google Patents
Circuit board fixing structure and electronic equipment Download PDFInfo
- Publication number
- CN216218298U CN216218298U CN202122724193.3U CN202122724193U CN216218298U CN 216218298 U CN216218298 U CN 216218298U CN 202122724193 U CN202122724193 U CN 202122724193U CN 216218298 U CN216218298 U CN 216218298U
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- circuit board
- opening
- fixing
- connecting piece
- fixing structure
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Abstract
The utility model provides a circuit board fixed knot constructs and electronic equipment belongs to electronic equipment technical field. The circuit board fixing structure comprises a circuit board, a connecting piece and a fixing piece, wherein the connecting piece and the fixing piece are both conductors; the circuit board is provided with an opening; one part of the connecting piece is positioned in the opening, the other part of the connecting piece is positioned outside the opening, and the part positioned outside the opening is electrically connected with the circuit board; the fixing piece is positioned in the opening, is connected with the connecting piece and is used for being fixed with the middle frame. Through set up the opening on the circuit board, a part of connecting piece is arranged in the opening, another part is arranged outside the opening, be arranged in the part outside the opening and circuit board electric connection, the mounting links to each other with the connecting piece, the circuit board is when releasing electric charge, electric charge switches on connecting piece and mounting from the circuit board, the leading-in outside of rethread center, need not install other electrically conductive spare and to circuit board ground connection, and the mounting sets up in the opening of circuit board, circuit board fixed knot constructs the space has been reduced, be favorable to electronic equipment frivolousization.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of electronic equipment, in particular to a circuit board fixing structure and electronic equipment.
Background
A Printed Circuit Board (PCB) is widely used in various electronic devices for connecting electronic components, and has a small volume and high integration.
The PCB is usually fixed when it is mounted. Taking a mobile phone as an example, the PCB is usually fixed to the middle frame of the mobile phone. Usually, the surface that center and PCB are connected is provided with a plurality of spliced poles, is provided with a plurality of fixed orificess on the PCB, when the installation, aligns a plurality of fixed orificess on the PCB with the spliced pole on the center surface, installs the mounting in the fixed orifices and with spliced pole locking to this realizes the fixed of PCB and center.
In the related art, the fixing member directly contacts with the PCB, if the PCB needs to be grounded, the spring plate needs to be additionally installed on the PCB, and the fixing member and the spring plate occupy a large space, which is not favorable for the light and thin design of the mobile phone.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit board structure and electronic equipment can reduce circuit board fixed knot and construct the space, is favorable to electronic equipment's frivolousization. The technical scheme at least comprises the following scheme:
in one aspect, an embodiment of the present disclosure provides a circuit board fixing structure, including: the circuit board comprises a circuit board, a connecting piece and a fixing piece, wherein the connecting piece and the fixing piece are both conductors;
the circuit board is provided with an opening;
one part of the connecting piece is positioned in the opening, the other part of the connecting piece is positioned outside the opening, and the part of the connecting piece positioned outside the opening is electrically connected with the circuit board;
the fixing piece is positioned in the opening, is connected with the connecting piece and is used for being fixed with the middle frame.
Optionally, the connecting member includes a connecting portion and a recessed portion, the connecting portion is connected to the recessed portion, the connecting portion is located outside the opening and attached to the first surface of the circuit board, and the recessed portion is located in the opening.
Optionally, the connecting member includes a plurality of connecting portions, and the plurality of connecting portions are located around the recessed portion.
Optionally, the connecting portion is annular and surrounds the recess.
Optionally, one surface of the concave portion, which is far away from the connecting portion, is flush with a second surface of the circuit board, where the second surface is a surface opposite to the first surface.
Optionally, the recess has a mounting hole in which the fixing is located.
Optionally, the fixing member includes a stopping portion and a fixing portion, the stopping portion is located at one end of the fixing portion and connected to the fixing portion, the fixing portion is located in the mounting hole, and the stopping portion is located at one side of the recessed portion close to the connecting portion.
Optionally, the surface of the stopping portion away from the fixing portion does not exceed the first surface of the circuit board.
On the other hand, the embodiment of the present disclosure further provides an electronic device, where the electronic device includes a middle frame and the circuit board fixing structure as described in the previous aspect, a circuit board of the circuit board fixing structure is opposite to the middle frame, and a fixing member of the circuit board fixing structure is connected to the middle frame.
Optionally, the middle frame is provided with a mounting groove, and the circuit board is located in the mounting groove; the surface of the circuit board fixing structure far away from the bottom of the mounting groove does not exceed the surface of the middle frame.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
through set up the opening on the circuit board, a part of connecting piece is arranged in the opening, another part is located outside the opening, and the part that the connecting piece is located outside the opening and circuit board electric connection, and the mounting links to each other with the connecting piece, because connecting piece and mounting are the conductor, the circuit board is when work release electric charge, electric charge can switch on the connecting piece from the circuit board, switch on the mounting again, the leading-in outside of rethread center, do not need to install other electrically conductive piece and carry out ground connection to the circuit board, and the mounting is arranged in the opening of circuit board, the space of circuit board fixed knot structure has been reduced, be favorable to electronic equipment's frivolousization, the installation operation of circuit board has also been simplified simultaneously, the fixed efficiency of circuit board and electronic equipment has been improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit board fixing structure provided in an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a circuit board fixing structure provided in an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a connector according to an embodiment of the present disclosure;
fig. 4 is a schematic cross-sectional view of a circuit board fixing structure provided in an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device provided in an embodiment of the present disclosure.
The various reference numbers in the drawings are illustrated below:
10-a circuit board; 11-opening; 12-a first surface; 13-a second surface;
20-a connector; 21-a connecting part; 211-mounting holes; 22-a recess;
30-a fixing member; 31-a stop; 32-a fixed part;
40-a flexible circuit board;
100-a circuit board fixing structure;
200-middle frame; 210-mounting groove.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a circuit board fixing structure provided in an embodiment of the present disclosure. The circuit board fixing structure is used for fixing the circuit board 10 to a middle frame of an electronic device, which may be, but is not limited to, a mobile phone, a tablet computer, and a notebook computer.
As shown in fig. 1, the circuit board fixing structure includes: the circuit board 10, the connecting element 20 and the fixing element 30, and the connecting element 20 and the fixing element 30 are all conductors. The circuit board 10 has an opening 11, and the opening 11 may be located in the middle of the circuit board 10 or at the edge of the circuit board 10. One part of the connector 20 is located in the opening 11, the other part of the connector 20 is located outside the opening 11, and the part of the connector 20 located outside the opening 11 is electrically connected to the circuit board 10. The fixing member 30 is positioned in the opening 11, and the fixing member 30 is coupled to the connection member 20.
For ease of illustration, a bezel 200 of the electronic device is shown in fig. 1, and only a portion of the circuit board 10 is shown to facilitate showing the portion of the connector 20 located within the opening 11. Illustratively, the middle frame 200 is a rectangular body, the circuit board 10 is opposite to the middle frame 200, the fixing member 30 is connected to the middle frame 200, and the fixing member 30 is used for fixing the circuit board 10 to the middle frame. The shape of the middle frame 200 may also be different for different electronic devices.
Through set up the opening on the circuit board, a part of connecting piece is arranged in the opening, another part is located outside the opening, and the part that the connecting piece is located outside the opening and circuit board electric connection, and the mounting links to each other with the connecting piece, because connecting piece and mounting are the conductor, the circuit board is when work release electric charge, electric charge can switch on the connecting piece from the circuit board, switch on the mounting again, the leading-in outside of rethread center, do not need to install other electrically conductive piece and carry out ground connection to the circuit board, and the mounting is arranged in the opening of circuit board, the space of circuit board fixed knot structure has been reduced, be favorable to electronic equipment's frivolousization, the installation operation of circuit board has also been simplified simultaneously, the packaging efficiency of circuit board and electronic equipment has been improved.
In the disclosed embodiment, the opening 11 is rectangular, and in other examples, the opening 11 may be provided in other shapes, such as circular.
Fig. 2 is a schematic structural diagram of a circuit board fixing structure provided in the embodiment of the present disclosure. As shown in fig. 2, the connector 20 of the circuit board fixing structure includes a connection portion 21 and a recess portion 22. The connecting portion 21 is connected to the recess 22, the connecting portion 21 is located outside the opening 11, the connecting portion 21 is attached to the first surface 12 of the circuit board 10, and the recess 22 is located in the opening 11.
Illustratively, the connection portion 21 is soldered to the first surface 12 of the circuit board 10 by a surface mount technique. The connector 20 is well connected with the circuit board 10, so that the circuit board 10 can be well grounded.
The circuit board 10 has a first surface 12 and a second surface 13 opposite to each other, and the connection portion 21 is attached to the first surface 12. When the circuit board 10 discharges the electric charge, the electric charge can be introduced into the connecting portion 21 from the first surface 12 of the circuit board 10, and then conducted to the fixing member 30 through the concave portion 22, and the static electricity is conducted to the outside of the circuit board 10 by the fixing member 30, so that the static electricity is prevented from causing adverse effects on the normal operation of the circuit board 10.
As shown in fig. 2, a gap is formed between the recess 22 and the sidewall of the opening 11, so that the circuit board 10 corresponding to the recess 22 and the opening 11 is prevented from being worn.
In the embodiment of the present disclosure, the shape of the orthographic projection of the recess 22 on the first surface 12 may be the same as the shape of the opening 11, for example, the recess may be rectangular, and in other examples, the shape of the orthographic projection of the recess 22 on the first surface 12 and the shape of the opening 11 may also be circular.
Optionally, the connector 20 of the circuit board fixing structure includes a plurality of connecting portions 21, and the plurality of connecting portions 21 are located around the recess 22. The plurality of connecting portions 21 are disposed around the recessed portion 22, which is beneficial to more stable connection between the connector 20 and the circuit board 10.
In the present embodiment, the connector 20 includes two connecting portions 21, and the two connecting portions 21 are located at two opposite sides of the recess 22, so as to achieve a stable connection between the connector 20 and the circuit board 10.
Fig. 3 is a schematic structural diagram of a connector according to an embodiment of the present disclosure. As shown in fig. 3, in the connector 20, the connecting portion 21 of the connector 20 is annular and surrounds the recessed portion 22. The annular arrangement of the connecting portion 21 can increase the bonding area between the connecting portion 21 and the circuit board 10, and further, the connecting member 20 and the circuit board 10 can be more firmly connected.
Fig. 4 is a schematic cross-sectional view of a circuit board fixing structure provided in an embodiment of the present disclosure. As shown in fig. 4, a surface of the recess 22 of the connector 20 away from the connection portion 21 is flush with the second surface 13 of the circuit board 10.
As shown in fig. 4, the surface of the recess 22 away from the connecting portion 21 is flush with the second surface 13 of the circuit board 10, and the circuit board 10 can be made more stable when the circuit board 10 is fixed.
Referring to fig. 2, the recess 22 of the connection member 20 has a mounting hole 211, and the fixing member 30 is located in the mounting hole 211. The fixing member 30 is fitted in the fitting hole 211, and can fix the circuit board 10 to the middle frame 200.
Alternatively, the connector 20 is a metallic structural member, such as copper, aluminum, iron, or the like.
The connector 20 may be a stamped part. For example, the recess 22 is formed by pressing a metal sheet, and the manufacturing is simple and convenient, and is suitable for mass production.
As shown in fig. 2, the fixing member 30 includes a stopping portion 31 and a fixing portion 32, the stopping portion 31 is located at one end of the fixing portion 32 and connected to the fixing portion 32, the fixing portion 32 is located in the mounting hole 211, and the stopping portion 31 is located at one side of the recess 22 close to the connecting portion 21.
Illustratively, the fixing member 30 is a fixing part such as a screw or a rivet.
Referring to fig. 4, the fixing portion 32 is positioned in the mounting hole 211 to fixedly couple the connection member 20 to the middle frame. The surface of the stopping portion 31 close to the fixing portion 32 is attached to the recess 22 of the connecting member 20, and the stopping portion 31 serves to axially position the fixing portion 32.
As shown in fig. 4, the surface of the stopping portion 31 away from the fixing portion 32 does not exceed the first surface 12 of the circuit board 10. The stop portion 31 of the fixing member 30 is integrally disposed in the opening 11 of the circuit board 10, so that the space of the circuit board fixing structure is reduced, and the electronic device is light and thin.
Fig. 5 is a schematic partial structure diagram of an electronic device according to an embodiment of the present disclosure. The electronic device may be, but is not limited to, a mobile phone, a tablet computer, a notebook computer. As shown in fig. 5, the electronic device includes a middle frame 200 and a circuit board fixing structure 100. The circuit board 10 of the circuit board fixing structure 100 is opposite to the middle frame 200, and the fixing member 30 of the circuit board fixing structure 100 is connected to the middle frame 200.
In the embodiment of the present disclosure, only one fixing member 30 is provided to connect with the middle frame 200, and in other examples, a plurality of fixing members 30 may be provided to connect the circuit board 10 with the middle frame 200. Illustratively, the circuit board 10 has a plurality of openings 11, and each opening 11 is provided with a connector 20 and a fixing member 30, so that the circuit board 10 is more firmly mounted on the middle frame 200, and the circuit board 10 can have more positions for grounding.
As shown in fig. 5, the middle frame 200 has a mounting groove 210, and the circuit board 10 is located in the mounting groove 210. The circuit board 10 is disposed in the mounting groove 210, so that the protection effect on the circuit board 10 can be improved, and the electronic device is lighter and thinner.
Referring to fig. 4, the surface of the circuit board fixing structure 100 away from the bottom of the mounting groove 210 does not exceed the surface of the middle frame 200, so that the space occupied by the circuit board fixing structure 100 in the electronic device is reduced, and the electronic device is light and thin.
As shown in fig. 4, the electronic device further includes a flexible circuit board 40, and the flexible circuit board 40 is located on a surface of the middle frame 200 close to the fixing member 30 and partially located in the mounting groove 210.
Referring to fig. 4, the middle portion of the flexible circuit board 40 is located in the mounting groove 210, so that the space occupied by the flexible circuit board 40 inside the electronic device is reduced, and the electronic device is further facilitated to be light and thin.
The flexible circuit board 40 may be disposed to be attached to the surfaces of the middle frame 200 and the circuit board 10. The flexible circuit board 40 has a bendable characteristic, and the flexible circuit board 40 is arranged on the surfaces of the middle frame 200 and the circuit board 10, so that the space occupied by the flexible circuit board 40 inside the electronic device is reduced, and the internal structure of the electronic device is more compact.
The above description is meant to be illustrative of alternative embodiments of the disclosure and not to limit the disclosure, and any modification, equivalent switch, improvement, etc. made within the spirit and principles of the disclosure should be included within the scope of the disclosure.
Claims (10)
1. A circuit board fixing structure, comprising: the circuit board comprises a circuit board (10), a connecting piece (20) and a fixing piece (30), wherein the connecting piece (20) and the fixing piece (30) are both conductors;
the circuit board (10) has an opening (11);
one part of the connecting piece (20) is positioned in the opening (11), the other part of the connecting piece is positioned outside the opening (11), and the part of the connecting piece (20) positioned outside the opening (11) is electrically connected with the circuit board (10);
the fixing piece (30) is positioned in the opening (11), is connected with the connecting piece (20) and is used for being fixed with the middle frame.
2. The circuit board fixing structure according to claim 1, wherein the connecting member (20) includes a connecting portion (21) and a recessed portion (22), the connecting portion (21) is connected to the recessed portion (22), the connecting portion (21) is located outside the opening (11) and attached to the first surface (12) of the circuit board (10), and the recessed portion (22) is located in the opening (11).
3. The circuit board fixing structure according to claim 2, wherein the connecting member (20) includes a plurality of the connecting portions (21), and the plurality of the connecting portions (21) are located around the recess (22).
4. The circuit board fixing structure according to claim 2, wherein the connecting portion (21) is annular and surrounds the recessed portion (22).
5. The circuit board fixing structure according to claim 2, wherein a face of the recess portion (22) remote from the connecting portion (21) is flush with a second surface (13) of the circuit board (10), the second surface (13) being a face opposite to the first surface (12).
6. The circuit board fixing structure according to claim 2, wherein the recess portion (22) has a mounting hole (211), and the fixing member (30) is located in the mounting hole (211).
7. The circuit board fixing structure according to claim 6, wherein the fixing member (30) includes a stopper portion (31) and a fixing portion (32), the stopper portion (31) is located at one end of the fixing portion (32) and connected to the fixing portion (32), the fixing portion (32) is located in the mounting hole (211), and the stopper portion (31) is located at a side of the recess portion (22) close to the connecting portion (21).
8. The circuit board fixing structure according to claim 7, wherein a surface of the stopper portion (31) away from the fixing portion (32) does not exceed the first surface (12) of the circuit board (10).
9. An electronic device, comprising a middle frame (200) and a circuit board fixing structure (100) according to any one of claims 1 to 8, wherein a circuit board (10) of the circuit board fixing structure (100) is opposite to the middle frame (200), and a fixing member (30) of the circuit board fixing structure (100) is connected to the middle frame (200).
10. The electronic device according to claim 9, wherein the middle frame (200) has a mounting groove (210), the circuit board (10) being located in the mounting groove (210);
the surface of the circuit board fixing structure (100) far away from the bottom of the mounting groove (210) does not exceed the surface of the middle frame (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122724193.3U CN216218298U (en) | 2021-11-08 | 2021-11-08 | Circuit board fixing structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122724193.3U CN216218298U (en) | 2021-11-08 | 2021-11-08 | Circuit board fixing structure and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216218298U true CN216218298U (en) | 2022-04-05 |
Family
ID=80905965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122724193.3U Active CN216218298U (en) | 2021-11-08 | 2021-11-08 | Circuit board fixing structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216218298U (en) |
-
2021
- 2021-11-08 CN CN202122724193.3U patent/CN216218298U/en active Active
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