CN104411137B - Electronic device and assembly thereof - Google Patents
Electronic device and assembly thereof Download PDFInfo
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- CN104411137B CN104411137B CN201410446130.8A CN201410446130A CN104411137B CN 104411137 B CN104411137 B CN 104411137B CN 201410446130 A CN201410446130 A CN 201410446130A CN 104411137 B CN104411137 B CN 104411137B
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- circuit board
- printed circuit
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- electronic device
- screw
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Abstract
The invention discloses an electronic device assembly, which comprises: a printed circuit board; the metal steel sheet is attached to the printed circuit board through an SMT (surface mount technology); a connection bracket connected with the printed circuit board; the screw is used for sequentially penetrating through the printed circuit board, the metal steel sheet and the connecting bracket and fixedly connecting the printed circuit board and the connecting bracket; when the printed circuit board is fixedly connected with the connecting support, the horizontal plane where the top of the screw is located is lower than the horizontal plane where the side face of the printed circuit board is located, and the side face of the printed circuit board is the side face far away from the connecting support. The invention also discloses an electronic device. Through the mode, the electronic equipment assembly can reduce the height influence caused by the nut of the screw, and effectively reduce the thickness of electronic equipment.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an electronic device assembly and an electronic device using the same.
Background
With the development of technology, electronic devices are made thinner, so that the space in the Z direction (thickness of the electronic device) of the electronic device is limited. Due to the limitation of the space in the Z direction, the space in the Z direction can only be fully utilized to ensure the quality and the appearance of the electronic equipment
However, for the connection of elements to be applied to screws, it is difficult to avoid the high influence of the screw cap of the screw, regardless of the design. In the electronic apparatus shown in fig. 1, when the printed circuit board 11 is connected to the connection holder 12, the printed circuit board 11 is fixed to the connection holder 12 by the screws 13. Although the printed circuit board 11 and the connecting bracket 12 are fixed, the nut of the screw 13 has a certain height, and occupies a certain height, so that when the printed circuit board 11 is connected with the touch screen 14 or other components, the nut height h of the screw 13 is increased, thereby affecting the thickness of the electronic device.
In summary, it is desirable to provide an electronic device assembly and an electronic device using the same to solve the above problems.
Disclosure of Invention
The invention mainly solves the technical problem of providing the electronic equipment and the assembly thereof, which can reduce the height influence caused by the nut of the screw and effectively reduce the thickness of the electronic equipment.
In order to solve the technical problems, the invention adopts a technical scheme that: an electronic device assembly is provided, comprising: a printed circuit board; the metal steel sheet is attached to the printed circuit board through an SMT (surface mount technology); a connection bracket connected with the printed circuit board; the screw is used for sequentially penetrating through the printed circuit board, the metal steel sheet and the connecting bracket and fixedly connecting the printed circuit board and the connecting bracket; when the printed circuit board is fixedly connected with the connecting support, the horizontal plane where the top of the screw is located is lower than the horizontal plane where the side face of the printed circuit board is located, and the side face of the printed circuit board is the side face far away from the connecting support.
The printed circuit board is provided with a first through hole and a plurality of through hole grooves, and the through hole grooves are symmetrically arranged on the periphery of the first through hole.
The metal steel sheet is square and comprises a main body part, a second through hole is formed in the center of the main body part, and the second through hole and the first through hole are arranged coaxially.
Wherein, the extension portion of perpendicular main part is provided with around the main part, and extension portion and through-hole groove cooperation are fixed to be set up.
When the extension part is matched and fixed with the through hole groove, the horizontal plane where the top of the extension part is located is lower than the horizontal plane where the side of the printed circuit board is located, and the side of the printed circuit board is the side far away from the connecting support.
Wherein, linking bridge is equipped with a blind hole, blind hole and the coaxial setting of second through-hole.
The screw comprises a penetrating part, and the penetrating part penetrates through the second through hole to be in threaded connection with the blind hole.
The screw further comprises a nut, the diameter of the first through hole is smaller than that of the second through hole, so that the penetrating part penetrates through the second through hole, and the nut is arranged in the first through hole and clamped outside the second through hole.
When the screw cap is arranged in the first through hole and clamped outside the second through hole, the horizontal plane where the top of the screw cap is located is lower than the horizontal plane where the side face of the printed circuit board is located, and the side face of the printed circuit board is the side face far away from the connecting support.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided an electronic device comprising an electronic device assembly of any of the above.
The invention has the beneficial effects that: in contrast to the state of the art, the electronic device assembly of the present invention comprises: a printed circuit board; the metal steel sheet is attached to the printed circuit board through an SMT (surface mount technology); a connection bracket connected with the printed circuit board; and the screw is used for sequentially penetrating through the printed circuit board, the metal steel sheet and the connecting bracket and fixedly connecting the printed circuit board and the connecting bracket. According to the electronic equipment assembly, when the printed circuit board is fixedly connected with the connecting support, the horizontal plane where the top of the screw is located is lower than the horizontal plane where the side face of the printed circuit board is located, and the side face of the printed circuit board is the side face far away from the connecting support, so that the height influence caused by the nut of the screw can be reduced when the printed circuit board is connected with a display screen or other elements, and the thickness of the electronic equipment is effectively reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art electronic device assembly;
FIG. 2 is a schematic structural diagram of a first embodiment of an electronic device assembly of the present invention;
FIG. 3 is a schematic structural view of the sheet of metal steel of FIG. 1;
FIG. 4 is a schematic view of a first partial structure of the electronic device assembly of the present invention;
FIG. 5 is a second partial structural view of the electronic device package of the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of the electronic device assembly of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
An electronic device includes a touch screen 25 and an electronic device assembly. Wherein the touch screen 25 may be replaced by other material layers. As shown in fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of an electronic device assembly of the present invention, which includes a printed circuit board 21, a metal steel sheet 22, a connecting bracket 23, and a screw 24. In the present embodiment, the connection bracket 23 is preferably an antenna bracket, but the connection bracket 23 may be other connection devices. The metal steel sheet 22 may be replaced by other ceramic sheets or other mixed metal sheets having toughness and hardness.
Referring to fig. 2 to 5, the printed circuit board 21 is provided with a first through hole 211 and a plurality of through hole slots 212. The through-hole grooves 212 are preferably symmetrically formed around the first through-hole 211 to balance the bearing force. In the present embodiment, the printed circuit board 21 is a PCB, and the through hole slots 212 are preferably oval holes or rectangular holes, wherein the through hole slots 212 are preferably four, and the four through hole slots 212 are equidistant from the first through hole 211.
The metal steel sheet 22 is attached to the printed circuit board 21 by an SMT (Surface mount Technology) process. Or the metal steel sheet 22 is integrally formed with the printed circuit board 21. In the present embodiment, the metal steel sheet 22 has a square shape. Of course, in other embodiments, the metal steel sheet 22 may be attached to the printed circuit board 21 by other processes.
In the present embodiment, the metal steel sheet 22 includes a main body portion 221 and an extension portion 222. The extending portions 222 are vertically and symmetrically disposed around the main body portion 221. The body 221 has a second through hole 223 at the center thereof, and the second through hole 223 is coaxial with the first through hole 211. The number of the extending portions 222 is preferably four, and the extending portions 222 are fixedly arranged in cooperation with the through hole grooves 212, that is, the extending portions 222 are inserted into the through hole grooves 212.
In the embodiment, when the extending portion 222 is fixedly disposed in cooperation with the through hole groove 212, a horizontal plane of a top of the extending portion 222 is lower than a horizontal plane of a side 213 of the printed circuit board 21, wherein the side 213 of the printed circuit board 21 is a side far away from the connecting bracket 23. That is, when the metal steel sheet 22 is attached to the printed circuit board 21 by the SMT process, the height H3 at the top of the extension portion 222 is smaller than the height H2 at the side 213 of the printed circuit board 21.
The connection bracket 23 is connected to the printed circuit board 21. Wherein the connecting bracket 23 is provided with a blind hole 231, and the blind hole 231 and the second through hole 223 are coaxially arranged.
The screw 24 passes through the printed circuit board 21, the metal steel sheet 22 and the connecting bracket 23 in order toward the other side surface 214 of the printed circuit board 21, so that the screw 24 fixedly connects the printed circuit board 21 and the connecting bracket 23. In the present embodiment, when the printed circuit board 21 and the connecting bracket 23 are fixedly connected, the top of the screw 24 is located at a level lower than the level of the side 213 of the printed circuit board 21, and the side 213 of the printed circuit board 21 is a side far from the connecting bracket 23. That is, when the printed circuit board 21 and the connecting bracket 23 are fixedly connected, the top of the screw 24 is located at a height H1 lower than the height H2 of the side 213 of the printed circuit board 21. In addition, it is noted that after the screw 24 fixes the printed circuit board 21 and the connecting bracket 23, the force of the screw 24 acts on the metal steel sheet 22, and the force received by the metal steel sheet 22 acts on the printed circuit board 21.
The screw 24 includes a through portion 241 and a nut 242, and the through portion 241 is threaded through the second through hole 223 and the blind hole 231.
In the present embodiment, the diameter of the first through hole 211 is smaller than that of the second through hole 223, so that the penetrating portion 241 penetrates through the second through hole 223, and the nut 242 is disposed in the first through hole 211 and clamped outside the second through hole 223.
In the embodiment, when the nut 242 is disposed in the first through hole 211 and clamped outside the second through hole 223, a horizontal plane of a top of the nut 242 is lower than a horizontal plane of the side surface 213 of the printed circuit board 21, that is, a height of the top of the nut 242 is lower than a height of the side surface 213 of the printed circuit board 21.
The operation principle of the electronic device according to the present invention is described below with reference to the embodiments.
The metal steel sheet 22 is produced in batch, the extending part 222 of the metal steel sheet 22 is aligned with the through hole slot 212 of the printed circuit board 21, and the metal steel sheet 22 is fixed on the side surface 212 of the printed circuit board 21 by the SMT process. Then, the screw 24 is sequentially inserted through the printed circuit board 21, the metal steel sheet 22 and the connecting bracket 23 toward the other side surface 214 of the printed circuit board 21, so that the insertion portion 241 is inserted through the second through hole 223 to be screwed with the connecting bracket 23, and the nut 242 is disposed in the first through hole 211 and is clamped outside the second through hole 223, thereby fixedly connecting the printed circuit board 21 and the connecting bracket 23. Finally, the touch screen 25 is disposed on the printed circuit board 21 and contacts the printed circuit board 21, thereby eliminating the height of the cap 242 of the screw 24 and further realizing an ultra-thin electronic device.
Further, as shown in fig. 6, fig. 6 is a schematic structural diagram of a second embodiment of the electronic device assembly of the present invention, and the electronic device assembly of fig. 6 corresponds to the electronic device assembly of fig. 1 one to one, and the main differences are that: the extended portion 322 of the metal steel sheet 32 is further provided with a convex portion 323, and the printed circuit board 31 is further provided with a concave portion 315, the concave portion 315 communicating with the through-hole groove 312. When the metal steel sheet 32 is disposed on the printed circuit board 31, the convex portion 323 of the metal steel sheet 32 is first pushed into the through hole groove 312 with a certain force, so that the convex portion 323 is disposed on the concave portion 315. And then the metal steel sheet 32 and the printed circuit board 31 are fixedly arranged by utilizing an SMT process. After the metal steel sheet 32 is fixed to the printed circuit board 31, the top of the convex portion 323 of the metal steel sheet 32 is lower than the side of the printed circuit board 31. With this embodiment, in addition to fixing the metal steel sheet 32 and the printed circuit board 31 by the SMT process, the present embodiment further clamps the concave part 315 by the convex part 323, thereby fixing the printed circuit board 31 and the connecting bracket 33.
In the embodiment, when the metal steel sheet 32 and the printed circuit board 31 are loosened, the metal steel sheet 32 does not fall off from the printed circuit board 31, but there is a protrusion 323 fixedly engaged with the recess 315, so that the metal steel sheet 32 and the printed circuit board 31 continue to maintain a fixed connection.
That is, in the present embodiment, the SMT process may not be required, and the metal steel sheet 32 and the printed circuit board 31 may be directly fixed by the protrusion 323 and the recess 315, thereby omitting the SMT process flow, reducing unnecessary processes, and effectively reducing the manufacturing cost.
In summary, the electronic device assembly of the present invention includes: a printed circuit board; the metal steel sheet is attached to the printed circuit board through an SMT (surface mount technology); a connection bracket connected with the printed circuit board; and the screw is used for sequentially penetrating through the printed circuit board, the metal steel sheet and the connecting bracket and fixedly connecting the printed circuit board and the connecting bracket. According to the electronic equipment assembly, when the printed circuit board is fixedly connected with the connecting support, the horizontal plane where the top of the screw is located is lower than the horizontal plane where the side face of the printed circuit board is located, and the side face of the printed circuit board is the side face far away from the connecting support, so that the height influence caused by the nut of the screw can be reduced when the printed circuit board is connected with a display screen or other elements, and the thickness of the electronic equipment is effectively reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. An electronic device assembly, comprising:
the printed circuit board is provided with a first through hole penetrating through the printed circuit board and a plurality of through hole grooves;
the metal steel sheet comprises a main body part, the main body part is provided with a second through hole, the second through hole and the first through hole are coaxially arranged, and the periphery of the main body part is provided with an extending part vertical to the main body part;
the connecting support is connected with the printed circuit board and provided with a blind hole, and the blind hole and the second through hole are coaxially arranged;
the screw is used for sequentially penetrating through the printed circuit board, the metal steel sheet and the connecting bracket and fixedly connecting the printed circuit board and the connecting bracket;
when the printed circuit board is fixedly connected with the connecting support, the horizontal plane where the top of the screw is located is lower than the horizontal plane where the side face of the printed circuit board is located, and the side face of the printed circuit board is the side face far away from the connecting support;
the inner wall of one side, far away from the connecting support, of the through hole groove of the printed circuit board is inwards recessed to form a concave part, the concave part is communicated with the through hole groove, the side edge of the extending part protrudes towards the concave part to form a convex part, and at least part of the convex part is located in the concave part.
2. The electronic device assembly of claim 1, wherein when the extension portion is fixedly disposed in cooperation with the through hole groove, a horizontal plane of a top of the extension portion is lower than a horizontal plane of a side of the printed circuit board, and the side of the printed circuit board is a side far away from the connecting bracket.
3. The electronic device assembly of claim 1, wherein the screw includes a piercing portion that is threaded through the second through hole to the blind hole.
4. The electronic device assembly of claim 3, wherein the screw further comprises a nut, the first through hole has a diameter smaller than a diameter of the second through hole such that the piercing portion passes through the second through hole, and the nut is disposed within the first through hole and is captured outside the second through hole.
5. The electronic device assembly of claim 4, wherein when the nut is disposed in the first through hole and clamped outside the second through hole, a horizontal plane of a top of the nut is lower than a horizontal plane of a side of the printed circuit board, and the side of the printed circuit board is a side far away from the connecting bracket.
6. An electronic device, characterized in that the electronic device comprises the electronic device assembly of any of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446130.8A CN104411137B (en) | 2014-09-03 | 2014-09-03 | Electronic device and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446130.8A CN104411137B (en) | 2014-09-03 | 2014-09-03 | Electronic device and assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104411137A CN104411137A (en) | 2015-03-11 |
| CN104411137B true CN104411137B (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410446130.8A Active CN104411137B (en) | 2014-09-03 | 2014-09-03 | Electronic device and assembly thereof |
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| Country | Link |
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| CN (1) | CN104411137B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576345B (en) * | 2015-09-30 | 2019-01-15 | 青岛海信移动通信技术股份有限公司 | A kind of mobile terminal |
| CN106852060B (en) * | 2017-01-03 | 2020-04-14 | 昆山龙腾光电股份有限公司 | Screw supporting device and fixing method of PCB and screw |
| CN108023161B (en) * | 2017-12-01 | 2020-09-08 | Oppo广东移动通信有限公司 | Middle frame assembly and electronic equipment |
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| JPH08236965A (en) * | 1995-02-28 | 1996-09-13 | Onkyo Corp | Printed board fitting structure |
| CN201039628Y (en) * | 2007-03-26 | 2008-03-19 | 佛山市顺德区顺达电脑厂有限公司 | Fixing structure for printed circuit board |
| CN201709027U (en) * | 2010-07-09 | 2011-01-12 | 远东(三河)多层电路有限公司 | Printed circuit board with counter bores |
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| CN202143294U (en) * | 2011-06-30 | 2012-02-08 | 中兴通讯股份有限公司 | Printed circuit board pulling block |
| CN202444524U (en) * | 2012-03-14 | 2012-09-19 | 广东欧珀移动通信有限公司 | Fixing structure of mobile phone master board and shell |
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| KR20070060442A (en) * | 2005-12-08 | 2007-06-13 | 삼성전자주식회사 | Fixing device for printed circuit board |
| CN2891602Y (en) * | 2006-05-11 | 2007-04-18 | 杭州华为三康技术有限公司 | Fixing device and mini-type flash memory card fixing device |
| US7607930B1 (en) * | 2008-08-05 | 2009-10-27 | Hon Hai Precision Ind. Co., Ltd. | Cable connector assembly having improved fixing member |
| CN201797639U (en) * | 2010-08-26 | 2011-04-13 | 张方荣 | Fixing rivet for circuit board |
| CN203085735U (en) * | 2012-08-27 | 2013-07-24 | 深圳天珑无线科技有限公司 | Antenna contact structure and mobile terminal |
| CN103737400B (en) * | 2013-12-31 | 2016-07-06 | 江苏南铸科技股份有限公司 | A kind of high precision plates clamp for machining |
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2014
- 2014-09-03 CN CN201410446130.8A patent/CN104411137B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08236965A (en) * | 1995-02-28 | 1996-09-13 | Onkyo Corp | Printed board fitting structure |
| CN201039628Y (en) * | 2007-03-26 | 2008-03-19 | 佛山市顺德区顺达电脑厂有限公司 | Fixing structure for printed circuit board |
| CN201709027U (en) * | 2010-07-09 | 2011-01-12 | 远东(三河)多层电路有限公司 | Printed circuit board with counter bores |
| CN201846523U (en) * | 2010-10-11 | 2011-05-25 | 中兴通讯股份有限公司 | Crimping device for fixing structures on PCB (printed circuit board) |
| CN202143294U (en) * | 2011-06-30 | 2012-02-08 | 中兴通讯股份有限公司 | Printed circuit board pulling block |
| CN102281709A (en) * | 2011-07-29 | 2011-12-14 | 惠州Tcl移动通信有限公司 | Mobile phone, PCB (printed circuit board) assembly and nut structure of PCB |
| CN202444524U (en) * | 2012-03-14 | 2012-09-19 | 广东欧珀移动通信有限公司 | Fixing structure of mobile phone master board and shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104411137A (en) | 2015-03-11 |
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