CN114552289B - Electronic assembly - Google Patents
Electronic assembly Download PDFInfo
- Publication number
- CN114552289B CN114552289B CN202011290366.9A CN202011290366A CN114552289B CN 114552289 B CN114552289 B CN 114552289B CN 202011290366 A CN202011290366 A CN 202011290366A CN 114552289 B CN114552289 B CN 114552289B
- Authority
- CN
- China
- Prior art keywords
- plate
- mounting
- circuit board
- spring arm
- electronic assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000013473 artificial intelligence Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses an electronic component which comprises a base, a first circuit board, a connector, a second circuit board and a stop structure. The base comprises a bearing plate and a mounting convex plate. The second circuit board is inserted into the connector. The second circuit board comprises a notch. The stop structure comprises a mounting plate, a connecting plate, a spring arm and a bump. The mounting plate is mounted on the mounting boss. The connecting plate protrudes from the mounting plate along a direction away from the mounting convex plate. The spring arm comprises a fixed end and a movable end. The fixed end is fixed on one side of the connecting plate far away from the mounting plate. The extending direction of the spring arm is not parallel to the extending direction of the connecting plate. The protruding block protrudes out of the movable end part of the spring arm along the direction away from the mounting plate and is positioned in the notch of the second circuit board to stop the second circuit board, so that the second circuit board is prevented from being separated from the connector.
Description
Technical Field
The present invention relates to an electronic component, and more particularly, to an electronic component including a stopper structure.
Background
Generally, an expansion card is inserted into and electrically connected to a connector on a main circuit board to realize signal transmission between the expansion card and the main circuit board. Because it is difficult to rely on the binding force between the connector and the expansion card alone to eliminate the risk that the expansion card is separated from the connector when shaking, the expansion card is usually stopped by a stopping structure, so as to avoid the situation that the expansion card is separated from the connector. Furthermore, the conventional stop structure is disposed on the circuit board or integrally connected to the connector.
However, in the case that the stop structure is disposed on the circuit board, the space on the circuit board where the electronic components can be disposed is reduced, and thus the space utilization of the circuit board is reduced. In the case that the stop structure is integrally connected to the connector, the expansion card stopped by the stop structure may be removed from the motherboard while pushing against the stop structure.
Disclosure of Invention
The invention provides an electronic assembly, which is used for preventing the space utilization rate of a first circuit board from being reduced and preventing a second circuit board from being detached from the first circuit board while pushing against a stop structure.
The electronic component disclosed in an embodiment of the invention comprises a base, a first circuit board, a connector, a second circuit board and a stop structure. The base comprises a bearing plate and a mounting convex plate. The mounting convex plate stands on the bearing plate. The first circuit board is arranged on the bearing plate. The connector is electrically connected to the first circuit board and fixed on one side of the first circuit board far away from the bearing plate. The second circuit board is inserted and electrically connected to the connector. The second circuit board comprises a notch. The stop structure comprises a mounting plate, a connecting plate, an elastic arm and a bump. The mounting plate is mounted on the mounting boss. The connecting plate protrudes from the mounting plate along a direction away from the mounting convex plate. The spring arm comprises a fixed end and a movable end which are opposite to each other. The fixed end is fixed on one side of the connecting plate far away from the mounting plate. The extending direction of the spring arm is not parallel to the extending direction of the connecting plate. The protruding block protrudes out of the movable end part of the spring arm along the direction away from the mounting plate and is positioned in the notch of the second circuit board to stop the second circuit board, so that the second circuit board is prevented from being separated from the connector.
According to the electronic component disclosed in the above embodiment, the bump is located in the notch of the second circuit board to stop the second circuit board, so that the bump of the stop structure can prevent the second circuit board from being separated from the connector. When the second circuit board is to be separated from the connector, the second circuit board is stopped by the stopping structure, so that the pulling force of the second circuit board on the connector is reduced, and the connector is not influenced by the pushing force of the second circuit board on the stopping structure because the mounting plate of the stopping structure is mounted on the mounting convex plate of the base instead of the connector. Therefore, the damage degree of the joint of the connector and the circuit board can be reduced, and the connector is not separated from the first circuit board together with the second circuit board when the second circuit board pushes against the convex block of the stop structure.
In addition, since the mounting plate of the stop structure is mounted on the mounting boss of the base instead of the circuit board, the stop structure does not occupy space on the first circuit board and can prevent the space utilization of the first circuit board from being reduced.
Drawings
Fig. 1 is a perspective view of an electronic assembly according to an embodiment of the invention.
Fig. 2 is a partial enlarged view of a perspective view of the electronic component of fig. 1 according to another view angle.
Fig. 3 is an enlarged partial view of the electronic assembly of fig. 1 with a second circuit board omitted.
Fig. 4 is an exploded view of the electronic assembly of fig. 3.
Fig. 5 is a partial enlarged view of a perspective view of a bump of the stop structure of the electronic assembly of fig. 2 disengaged from a notch of the second circuit board.
Fig. 6 is a partial enlarged view of a schematic side sectional view of an electronic assembly according to another embodiment of the present invention with a second circuit board omitted.
Wherein, the reference numerals:
10 electronic assembly
100 base
101 bearing plate
102 mounting convex plate
1020 fixing hole
1021 card slot
1022 guide groove
200 first circuit board
300 connector
400 second circuit board
401 notch
500 stop structure
501 mounting plate
5010 body
5011 fixed column
5012 card convex structure
502 connecting plate
503 spring arm
5030 fixed end
5031 movable end
504 bump
505 operation part
506 limiting plate
507 first reinforcing rib
508 second stiffening rib
Direction of extension of E1, E2, E3, E4, E5
Width W1, W2
Distance D1 and D2
506a limiting plate
505a operating part
Detailed Description
The detailed features and advantages of the embodiments of the present invention will be set forth in the detailed description that follows, so that those skilled in the art may readily understand the technical disclosure of the embodiments of the present invention and practice the same, and the related objects and advantages of the present invention may be readily understood by those skilled in the art from the disclosure, claims, and drawings herein. The following examples further illustrate the aspects of the invention in detail, but are not intended to limit the scope of the invention in any way.
Please refer to fig. 1 to 4. Fig. 1 is a perspective view of an electronic assembly according to an embodiment of the invention. Fig. 2 is a partial enlarged view of a perspective view of the electronic component of fig. 1 according to another view angle. Fig. 3 is an enlarged partial view of the electronic assembly of fig. 1 with a second circuit board omitted. Fig. 4 is an exploded view of the electronic assembly of fig. 3. The electronic component 10 of the present invention is suitable for a server with an expansion card, but not limited thereto.
In the present embodiment, the electronic component 10 includes a base 100, a first circuit board 200, a connector 300, a second circuit board 400, and a stop structure 500. The base 100 includes a carrier 101 and a mounting flange 102. The mounting boss 102 is erected on the carrier 101 and includes a fixing hole 1020 and a locking slot 1021 separated from each other.
The first circuit board 200 is disposed on the carrier 101 and is, for example, a switching circuit board. The connector 300 is electrically connected to the first circuit board 200 and fixed to a side of the first circuit board 200 away from the carrier 101. In the present embodiment, the connector 300 conforms to PCIe specifications, for example. The second circuit board 400 is inserted and electrically connected to the connector 300 and is, for example, an expansion circuit board. The second circuit board 400 includes a notch 401 at its periphery.
In this embodiment, the stop structure 500 includes a mounting plate 501, a connecting plate 502, a spring arm 503, a bump 504, an operating portion 505 and a limiting plate 506. In this embodiment, the mounting board 501 includes a main body 5010, a fixing post 5011 and a protruding structure 5012. The fixing post 5011 protrudes from one side of the body 5010 near the mounting boss 102, and the protruding structure 5012 and the fixing post 5011 protrude from different sides of the body 5010. The fixing post 5011 is located in the fixing hole 1020, and the protruding clamping structure 5012 is clamped in the clamping slot 1021, so that the body 5010 is mounted on the mounting protruding board 102.
It should be noted that in other embodiments, the mounting plate may not need to include a fixing hole and a clamping slot, and the mounting plate may not need to include a fixing and clamping structure. In such embodiments, the mounting plate may also be mounted to the mounting boss by means of adhesive.
The connection plate 502 protrudes from the body 5010 of the mounting plate 501 in a direction away from the mounting boss 102. In addition, in the present embodiment, the extending direction E1 of the body 5010 is perpendicular to the extending direction E2 of the connecting plate 502, for example.
The spring arm 503 includes a fixed end 5030 and a movable end 5031 opposite to each other. The fixed end 5030 is fixed to a side of the connection plate 502 remote from the body 5010 of the mounting plate 501. In the present embodiment, the extending direction E3 of the spring arm 503 is, for example, perpendicular to the extending direction E2 of the connecting plate 502 and parallel to the extending direction E1 of the body 5010.
In addition, in the present embodiment, the width W1 of the movable end portion 5031 is smaller than the width W2 of the fixed end portion 5030, so that the movable end portion 5031 is easier to move relative to the fixed end portion 5030, but not limited thereto. In other embodiments, the width of the movable end portion may be greater than or equal to the width of the fixed end portion.
It should be noted that, in other embodiments, the extending direction of the spring arm and the extending direction of the connecting plate may not be perpendicular to each other, but only not parallel to each other. In other embodiments, the extending direction of the spring arm and the extending direction of the body of the mounting plate may not be parallel to each other and may form an acute angle with each other.
As shown in fig. 2, the bump 504 protrudes from the movable end 5031 of the spring arm 503 in a direction away from the body 5010 of the mounting board 501 and is located in the notch 401 of the second circuit board 400 to stop the second circuit board 400, thereby preventing the second circuit board 400 from being separated from the connector 300.
In the present embodiment, the operation portion 505 protrudes from a side of the movable end portion 5031 of the spring arm 503 away from the fixed end portion 5030, and the extending direction E4 of the operation portion 505 is not parallel to the extending direction E3 of the spring arm 503.
The limiting plate 506 protrudes from the body 5010 of the mounting plate 501 in a direction away from the mounting protruding plate 102 and is located at a side of the movable end portion 5031 of the spring arm 503 near the body 5010 of the mounting plate 501, so as to limit the deformation degree of the movable end portion 5031. In this embodiment, the limiting plate 506 is separated from the operation portion 505. In the present embodiment, the extending direction E5 of the limiting plate 506 is perpendicular to the extending direction E1 of the main body 5010 and parallel to the extending direction E2 of the connecting plate 502, for example. As shown in fig. 4, in the present embodiment, the distance D1 between the fixing post 5011 and the connecting plate 502 is equal to the distance D2 between the side of the body 5010 of the mounting plate 501 to which the limiting plate 506 is connected and the connecting plate 502. In this way, the stability of the fixing post 5011 fixed in the fixing hole 1020 is improved. In other embodiments, the distance between the fixing post and the connecting plate may be different from the distance between the side of the body of the mounting plate connected to the limiting plate and the connecting plate.
In this embodiment, the stop structure 500 further includes a first reinforcing rib 507 and the mounting flange 102 further includes a guiding groove 1022. The guide groove 1022 communicates with the card groove 1021. The first reinforcing rib 507 protrudes from one side of the connecting plate 502 away from the limiting plate 506 and is located at a connection position between the connecting plate 502 and the protruding clamping structure 5012. And, the first reinforcing rib 507 is located in the guide groove 1022. The first reinforcing rib 507 is used to strengthen the structural strength of the connecting plate 502 and the protruding clamping structure 5012 and to promote the smoothness of the protruding clamping structure 5012 clamped into the clamping slot 1021. It should be noted that in other embodiments, the stop structure may not include the first reinforcing rib.
In this embodiment, the stop structure 500 further includes a second reinforcing rib 508. The second reinforcing rib 508 protrudes from one side of the connecting plate 502 near the limiting plate 506 and is located at the connection between the connecting plate 502 and the body 5010 of the mounting plate 501. The structural strength of the connection plate 502 and the body 5010 of the mounting plate 501 is reinforced with the aid of the second reinforcing ribs 508. It should be noted that in other embodiments, the stop structure may not include the second reinforcing rib.
In the present embodiment, the mounting plate 501, the connecting plate 502, the spring arm 503, the bump 504, the operation portion 505, the limiting plate 506, the first reinforcing rib 507 and the second reinforcing rib 508 are, for example, an integrated structure, but not limited thereto. In other embodiments, the mounting plate, the connecting plate, the spring arm, the bump, the operation portion, the limiting plate, the first reinforcing rib and the second reinforcing rib may be combined structures.
Please refer to fig. 5. Fig. 5 is a partial enlarged view of a perspective view of a bump of the stop structure of the electronic assembly of fig. 2 disengaged from a notch of the second circuit board. When the operation portion 505 is pulled to move the movable end portion 5031 of the spring arm 503 toward the mounting boss 102, the protrusion 504 protruding from the movable end portion 5031 is separated from the notch 401 of the second circuit board 400, so that the second circuit board 400 can be detached from the connector 300.
It should be noted that the limiting plate is not limited to be separated from the operating portion. Please refer to fig. 6. Fig. 6 is a partial enlarged view of a schematic side sectional view of an electronic assembly according to another embodiment of the present invention with a second circuit board omitted. In this embodiment, the limiting plate 506a and the operation portion 505a are in contact with each other and are integrally formed.
It should be noted that in other embodiments, the stop structure may not include an operation portion, and the bump may be directly separated from the notch of the second circuit board by pulling the movable end portion. In other embodiments, the stop structure may not include a limiting plate.
According to the electronic component disclosed in the above embodiment, the bump is located in the notch of the second circuit board to stop the second circuit board, so that the bump of the stop structure can prevent the second circuit board from being separated from the connector. When the second circuit board is to be separated from the connector, the second circuit board is stopped by the stopping structure, so that the pulling force of the second circuit board on the connector is reduced, and the connector is not influenced by the pushing force of the second circuit board on the stopping structure because the mounting plate of the stopping structure is mounted on the mounting convex plate of the base instead of the connector. Therefore, the damage degree of the joint of the connector and the circuit board can be reduced, and the connector is not separated from the first circuit board together with the second circuit board when the second circuit board pushes against the convex block of the stop structure.
In addition, since the mounting plate of the stop structure is mounted on the mounting boss of the base instead of the circuit board, the stop structure does not occupy space on the first circuit board and can prevent the space utilization of the first circuit board from being reduced.
In one embodiment of the present invention, the server of the present invention may be used for Artificial Intelligence (AI) operation (english: artificial Intelligence), edge computing (edge computing), and may also be used as a 5G server, a cloud server, or a car networking server.
Claims (10)
1. An electronic assembly, comprising:
the base comprises a bearing plate and a mounting convex plate, wherein the mounting convex plate is erected on the bearing plate;
the first circuit board is arranged on the bearing plate;
the connector is electrically connected to the first circuit board and fixed on one side of the first circuit board far away from the bearing plate;
the second circuit board is inserted into the connector and is electrically connected with the connector, and the second circuit board comprises a notch; and
the stop structure comprises a mounting plate, a connecting plate, a spring arm and a protruding block, wherein the mounting plate is mounted on the mounting convex plate, the connecting plate protrudes out of the mounting plate along the direction away from the mounting convex plate, the spring arm comprises a fixed end and a movable end which are opposite to each other, the fixed end is fixed on one side of the connecting plate away from the mounting plate, the extending direction of the spring arm is not parallel to the extending direction of the connecting plate, the protruding block protrudes out of the movable end of the spring arm along the direction away from the mounting plate and is positioned in the notch of the second circuit board to stop the second circuit board, and the second circuit board is prevented from being separated from the connector.
2. The electronic assembly of claim 1, wherein the extending direction of the mounting board and the extending direction of the spring arm are parallel to each other, and the extending direction of the connecting board is perpendicular to the extending direction of the mounting board and the extending direction of the spring arm.
3. The electronic assembly of claim 1, wherein the width of the movable end is less than the width of the fixed end.
4. The electronic assembly of claim 1, wherein the stop structure further comprises an operation portion protruding from a side of the movable end portion of the spring arm away from the fixed end portion, and an extending direction of the operation portion is not parallel to the extending direction of the spring arm.
5. The electronic assembly of claim 4, wherein the stop structure further comprises a limiting plate protruding from the mounting plate in a direction away from the mounting plate and located on a side of the movable end of the spring arm near the mounting plate, so as to limit a deformation degree of the movable end.
6. The electronic assembly of claim 5, wherein the limiting plate and the operating portion are in contact with each other and are integrally formed.
7. The electronic assembly of claim 5, wherein the mounting board comprises a body, a fixing post and a clamping protrusion structure, the connecting plate and the limiting plate protrude from the body, the mounting protrusion comprises a fixing hole and a clamping groove which are separated from each other, the fixing post protrudes from one side of the body close to the mounting protrusion and is positioned in the fixing hole, and the clamping protrusion structure protrudes from the body and is clamped in the clamping groove.
8. The electronic assembly of claim 7, wherein a distance between the fixing post and the connection plate is equal to a distance between a side of the limit plate connected to the body of the mounting board and the connection plate.
9. The electronic assembly of claim 7, wherein the stop structure further comprises a reinforcing rib, the mounting flange further comprises a guiding groove, the guiding groove is communicated with the clamping groove, the reinforcing rib protrudes out of one side of the connecting plate away from the limiting plate and is located at a joint of the connecting plate and the clamping flange, and the reinforcing rib is located in the guiding groove.
10. The electronic assembly of claim 7, wherein the stop structure further comprises a reinforcing rib protruding from a side of the connecting plate adjacent to the limiting plate and located at a connection between the connecting plate and the body of the mounting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290366.9A CN114552289B (en) | 2020-11-18 | 2020-11-18 | Electronic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290366.9A CN114552289B (en) | 2020-11-18 | 2020-11-18 | Electronic assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114552289A CN114552289A (en) | 2022-05-27 |
| CN114552289B true CN114552289B (en) | 2024-01-26 |
Family
ID=81660628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011290366.9A Active CN114552289B (en) | 2020-11-18 | 2020-11-18 | Electronic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114552289B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277472A (en) * | 1999-06-08 | 2000-12-20 | 朗迅科技公司 | Intensified communication connector with crosstalk compensation |
| CN101336046A (en) * | 2007-06-29 | 2008-12-31 | 富葵精密组件(深圳)有限公司 | Circuit board holding device |
| CN101626118A (en) * | 2008-07-07 | 2010-01-13 | 莫列斯公司 | Card edge connector |
| EP2429040A2 (en) * | 2010-09-09 | 2012-03-14 | I-Pex Co., Ltd. | Electrical connector |
| KR20150027710A (en) * | 2013-09-04 | 2015-03-12 | 몰렉스 인코포레이티드 | Board to board connector |
| CN110265819A (en) * | 2019-07-05 | 2019-09-20 | 上海航天科工电器研究院有限公司 | A kind of fixed device of radio frequency (RF) coaxial connector |
-
2020
- 2020-11-18 CN CN202011290366.9A patent/CN114552289B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277472A (en) * | 1999-06-08 | 2000-12-20 | 朗迅科技公司 | Intensified communication connector with crosstalk compensation |
| CN101336046A (en) * | 2007-06-29 | 2008-12-31 | 富葵精密组件(深圳)有限公司 | Circuit board holding device |
| CN101626118A (en) * | 2008-07-07 | 2010-01-13 | 莫列斯公司 | Card edge connector |
| EP2429040A2 (en) * | 2010-09-09 | 2012-03-14 | I-Pex Co., Ltd. | Electrical connector |
| KR20150027710A (en) * | 2013-09-04 | 2015-03-12 | 몰렉스 인코포레이티드 | Board to board connector |
| CN110265819A (en) * | 2019-07-05 | 2019-09-20 | 上海航天科工电器研究院有限公司 | A kind of fixed device of radio frequency (RF) coaxial connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114552289A (en) | 2022-05-27 |
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