CN111769389A - Electric connection assembly, circuit board assembly and electronic equipment - Google Patents
Electric connection assembly, circuit board assembly and electronic equipment Download PDFInfo
- Publication number
- CN111769389A CN111769389A CN202010656658.3A CN202010656658A CN111769389A CN 111769389 A CN111769389 A CN 111769389A CN 202010656658 A CN202010656658 A CN 202010656658A CN 111769389 A CN111769389 A CN 111769389A
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- Prior art keywords
- electrical connection
- circuit board
- assembly
- base
- elastic
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- 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
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
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- 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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
- H01R13/05—Resilient pins or blades
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- 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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
- H01R13/05—Resilient pins or blades
- H01R13/052—Resilient pins or blades co-operating with sockets having a circular transverse section
Abstract
The present disclosure relates to an electrical connection assembly, a circuit board assembly and an electronic device. The electrical connection assembly includes: a base; at least one first electrical connection member, a first end of which is received in the hole of the base and a second end of which is configured to be insertable into the hole of the circuit board by interference fit to secure the base to the circuit board; at least one second electrical connection member, a first end portion of which is received in the slot of the base and at least partially protrudes from the slot, and a second end portion of which is configured to be electrically connectable with the conductive portion of the circuit board; wherein a flexible connection portion is provided between the first end portion and the second end portion of the first electrical connection member, the flexible connection portion being deformable in at least one direction such that the first end portion of the first electrical connection member is movable in at least one direction relative to the second end portion, thereby enabling the base to move in at least one direction relative to the circuit board while maintaining the second end portion of the second electrical connection member in electrical connection with the conductive portion of the circuit board.
Description
Technical Field
The present disclosure relates to an electrical connection assembly, a circuit board assembly having the same, and an electronic device having the circuit board assembly.
Background
As an important part of various electronic devices, an electrical connection assembly is required to ensure reliability and stability of electrical connection achieved. The current common high-current electric connection assembly adopts a coaxial electric connection assembly mode, the positioning and assembling precision requirements of the connected components are high, and when the positioning and assembling precision does not meet the requirements, the reliability and stability of the electric connection assembly cannot be ensured.
In addition, for electronic devices such as those mounted on vehicles or on board, the electronic devices are frequently subjected to a large degree of vibration, shock, and the like during use, and such vibration, shock, and the like may cause relative displacement, deformation, and the like of various components (e.g., various circuit boards) of the electronic devices in various directions. If the electrical connection assembly used to connect these components, which may be relatively displaced, deformed, etc., fails to accommodate such possible displacement, deformation, etc., the electrical connection may fail, resulting in undesirable failure of the electronic device.
In addition, existing electrical connectors are typically connected to the circuit board by soldering (e.g., soldering), such that the electrical connectors cannot be easily removed and replaced, and the entire circuit board may be scrapped if the electrical connectors fail.
Disclosure of Invention
According to a first aspect of the present disclosure, there is provided an electrical connection assembly for a circuit board, the electrical connection assembly comprising: a base; at least one first electrical connection component, a first end of the first electrical connection component along a longitudinal axis being received in a hole of the base, and a second end of the first electrical connection component along the longitudinal axis being configured to be insertable into a hole of the circuit board with a tight fit to connect the base to the circuit board; at least one second electrical connection component, a first end of which along the longitudinal axis is received in and at least partially protrudes from the slot of the base, and a second end of which along the longitudinal axis is configured to be electrically connectable with a conductive portion of a circuit board; wherein a flexible connection portion is provided between the first end portion and the second end portion of the first electrical connection member, the flexible connection portion being deformable in at least one direction such that the first end portion of the first electrical connection member is movable in the at least one direction relative to the second end portion of the first electrical connection member, thereby enabling the base to move in the at least one direction relative to the circuit board while maintaining the second end portion of the second electrical connection member in electrical connection with the conductive portion of the circuit board.
In one embodiment, the at least one direction includes at least one direction parallel to the base and at least one direction perpendicular to the base.
In one embodiment, the flexible connection is a helical connection.
In one embodiment, the flexible connection is a wave spring-like connection.
In one embodiment, the flexible connection has a cross-sectional area that is less than a cross-sectional area of the first and second ends of the first electrical connection component.
In one embodiment, the first end portion of the first electrical connection component, the second end portion, and the flexible connection portion are integrally formed.
In one embodiment, at least one of the first end portion of the first electrical connection member, the second end portion, and the flexible connection portion is formed separately.
In one embodiment, the second end of the first electrical connection part is provided with a drum-type elastic contact structure including at least two elastic contact portions spaced apart along a circumferential direction and symmetrically arranged.
In one embodiment, the first end of the second electrical connection component includes a first resilient bend that bends along a first lateral direction perpendicular to a longitudinal axis of the second electrical connection component; and the second end of the second electrical connection component includes a second resilient bend that bends in a second transverse direction perpendicular to the longitudinal axis of the second electrical connection component.
In one embodiment, the first lateral direction and the second lateral direction are the same direction.
In one embodiment, the first lateral direction and the second lateral direction are opposite directions.
In one embodiment, the second electrical connection component includes at least one pair of staggered second electrical connection components, wherein the first elastic bending portion and the second elastic bending portion of one of the at least one pair of staggered second electrical connection components are bent along the same lateral direction; and the first and second elastic bent portions of the other of the at least one pair of staggered second electrical connection components are bent in opposite lateral directions.
In one embodiment, the first elastic bending portion includes a lateral deformation portion capable of elastic deformation in a lateral direction perpendicular to a longitudinal axis of the second electrical connection part; and the second elastic bent portion includes a longitudinal deformation portion that is elastically deformed in a longitudinal direction parallel to a longitudinal axis of the second electrical connection member.
In one embodiment, the electrical connection assembly further comprises at least one elastic connecting piece, a first end of the elastic connecting piece is detachably connected to the outer side of the base through a tight fit, a second end of the elastic connecting piece is provided with at least one fisheye-shaped terminal, the at least one fisheye-shaped terminal is configured to be plugged into a slot of the circuit board through the tight fit, and the elastic connecting piece further comprises at least one elastic bending part which is arranged between the first end and the second end of the elastic connecting piece and can be elastically deformed in at least one direction, so that the first end and the second end of the elastic connecting piece can relatively move in at least one direction.
In one embodiment, the at least one elastic bend of the elastic connecting piece is formed by removing material of the elastic connecting piece and bending the elastic connecting piece.
In one embodiment, the outer side of the base is provided with at least one protrusion, which is located between two adjacent elastic folds of the elastic connecting piece.
According to a second aspect of the present disclosure, there is provided a circuit board assembly comprising: a first circuit board; and one or more of the above electrical connection assemblies connected to the first circuit board; wherein the base of the electrical connection assembly is movable in at least one direction relative to the first circuit board while maintaining an electrical connection between the electrical connection assembly and the first circuit board.
In one embodiment according to the second aspect, a surface of the base adjacent to the first circuit board is spaced a distance from the first circuit board.
According to a third aspect of the present disclosure, there is provided an electronic apparatus comprising: the circuit board assembly described above; and a second circuit board electrically connected to the second electrical connection part of the electrical connection assembly so as to be electrically connected to the circuit board assembly, wherein the second circuit board is movable in at least one direction with respect to the first circuit board while maintaining electrical connection between the second circuit board and the first circuit board.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the embodiments and, together with the description, serve to explain the exemplary implementations of the embodiments. The illustrated embodiments are for purposes of illustration only and do not limit the scope of the claims. Throughout the drawings, identical reference numbers designate similar, but not necessarily identical, elements.
Fig. 1-4 are front, side, top and bottom views, respectively, of an electrical connector assembly electrically connected to a circuit board according to one embodiment of the present disclosure;
fig. 5 and 6 are cross-sectional views of the electrical connector assembly taken along line a-a and line B-B of fig. 3, respectively;
fig. 7 is a cross-sectional view of the electrical connector assembly taken along line C-C of fig. 4;
fig. 8 is an exploded perspective view of an electrical connector assembly connected to a circuit board according to the present disclosure;
fig. 9 is a perspective view of a second electrical connection member 50 of an electrical connector assembly according to the present disclosure, and fig. 9A shows a perspective view of an adjacent pair of the second electrical connection members 50 in the column of second electrical connection members 50 in fig. 9;
FIG. 10 illustrates a force diagram between various components of an electrical connector assembly according to the present disclosure; and
fig. 11-14 respectively show schematic views of movement of an electrical connector assembly according to the present disclosure relative to a circuit board in four different directions.
Detailed Description
In the present disclosure, unless otherwise specified, the use of the terms "first", "second", and the like to describe various elements is not intended to limit the positional relationship, the temporal relationship, or the importance relationship of the elements, and such terms are used only to distinguish one element from another. In some examples, a first element and a second element may refer to the same instance of the element, and in some cases, based on the context, they may also refer to different instances.
The terminology used in the description of the various described examples in this disclosure is for the purpose of describing particular examples only and is not intended to be limiting. Unless the context clearly indicates otherwise, if the number of elements is not specifically limited, the elements may be one or more. Further, as used in this disclosure, the term "and/or" encompasses any and all possible combinations of the listed items.
Fig. 1-11 illustrate an electrical connection assembly 10 according to the present disclosure secured to a circuit board 20. As will be described in detail below, the electrical connection assembly 10 according to the present disclosure is capable of moving relative to the circuit board 20 in at least one direction while maintaining an electrical connection with the circuit board 20, wherein the at least one direction may include at least one direction parallel to the circuit board 20 and at least one direction perpendicular to the circuit board 20.
As shown in fig. 3, 6, 8, 9 and 9A, the electrical connection assembly 10 according to the present disclosure includes: a base 30; two first electrical connection parts 40 for electrically connecting the base 30 to the circuit board 20, first ends 41 of the two first electrical connection parts 40 along a longitudinal axis being received in the holes 31 of the base 30, and second ends 42 of the first electrical connection parts 40 along the longitudinal axis being configured to be insertable into the holes 21 of the circuit board 20 by tight fitting to connect the base 30 to the circuit board 20 and enable relative movement of the base 30 with respect to the circuit board 20; a plurality of second electrical connection members 50, the plurality of second electrical connection members 50 being arranged in two opposing columns; and two elastic connection pieces 60, the two elastic connection pieces 60 being provided on both sides of the base 30 for connecting the base 30 to the circuit board 20 and enabling the base 30 to be relatively moved with respect to the circuit board 20.
As shown in fig. 3, 4, 5, 8 and 10, the first electrical connection member 40 includes a flexible connection portion 43 disposed between a first end portion 41 and a second end portion 42. The flexible connection 43 is a helical connection and includes substantially two turns of the helix. It should be understood that although fig. 3, 4, 5, 8, and 10 illustrate the flexible connection 43 as including substantially two turns of the helix, the flexible connection 43 may include one turn of the helix or more than two turns of the helix, as desired, and may also include less than a full turn of the helix, including, for example, 1.5, 2.5, 3.5 turns of the helix.
It should be understood that the first end portion 41, the second end portion 42, and the flexible connecting portion 43 of the first electrical connecting member 40 may be integrally formed, and the first end portion 41, the second end portion 42, and the flexible connecting portion 43 of the first electrical connecting member 40 may also be separately formed and connected together by welding or the like.
According to the above embodiment, by providing at least one turn of the spiral portion, the first and second end portions 41 and 42 of the first electrical connection member 40 can be made to be skewed and/or misaligned with respect to each other. In addition, by providing at least one turn of a helix, the first and second ends 41, 42 of the first electrical connection component 40 are also made compressible and extensible with respect to each other in a direction parallel to its longitudinal axis. The above-described deflection, misalignment, compression and elongation will be described in detail hereinafter.
As shown in fig. 4, 5, 8 and 10, the second end portion 42 is provided with a drum-type elastic contact structure 44 at one end portion away from the flexible connection portion 43. The drum type elastic contact structure 44 includes 4 elastic contact portions 44a spaced apart along the circumferential direction and symmetrically arranged. It should be understood that the 4 resilient contact portions 44a will be subjected to external pressure when inserted into the hole 21 of the circuit board 20 and can be elastically compressively deformed inwardly, i.e., the 4 resilient contact portions 44a will be brought closer to each other, thereby applying pressure to the hole 21 to achieve multi-point resilient positioning and multi-point contact.
As shown in fig. 4, 5, 8, and 10, the flexible connection portion 43 is a spiral connection portion. However, it should be understood that in other embodiments according to the present disclosure, the flexible connection 43 may also be a wave spring-like connection, such as a single layer wave spring-like connection or a multi-layer wave spring-like connection. It will be appreciated that the wave spring-like connection is able to achieve the same beneficial technical effects as the helical connection.
In addition, instead of the above-described spiral connection portion, the first electrical connection member 40 may be provided such that the cross-sectional area of the flexible connection portion 43 is smaller than the cross-sectional areas of the first end portion 41 and the second end portion 42, thereby being able to accommodate a certain degree of runout between the first end portion 41 and the second end portion 42 in the lateral direction perpendicular to the longitudinal axis.
As shown in fig. 3, 6, 8, 9 and 9A, the plurality of second electrical connection members 50 of the electrical connection assembly 10 according to the present disclosure are arranged in two opposing columns. A first end 51 along the longitudinal axis of the second electrical connection component 50 is received in the slot 32 of the base 30 and at least partially protrudes from the slot 32, and a second end 52 along the longitudinal axis of the second electrical connection component 50 is configured to be electrically connectable with the conductive portion 22 of the circuit board 20. Another electronic device (not shown) may be inserted between the two columns of second electrical connectors 50 to make electrical connection with the conductive portions 22 on the circuit board 20. As shown in fig. 8, the conductive portion 22 has a certain area so as to keep the second electrical connection member 50 electrically connected to the circuit board 20 at all times when the second electrical connection member 50 moves relative to the circuit board 20.
As shown in fig. 8, 9 and 9A, the first end 51 of the second electrical connection member 50 includes a first resilient bend 511 bent in a first transverse direction perpendicular to the longitudinal axis of the second electrical connection member 50; and the second end portion 52 of the second electrical connection component 50 includes a second resilient bend 521 bent in a second transverse direction perpendicular to the longitudinal axis of the second electrical connection component 50.
Further, in one embodiment according to the present disclosure, as shown in fig. 8, 9 and 9A, in each column of the second electrical connection parts 50, the second elastic bent parts 521 of two adjacent second electrical connection parts 50 are staggered with each other. Specifically, a second transverse direction along which the second elastic bent portion 521 of one of the two adjacent second electrical connection parts 50 is bent is the same as a first transverse direction along which the first elastic bent portion 511 of the second electrical connection part 50 is bent, and a second transverse direction along which the second elastic bent portion 521 of the other one of the two adjacent second electrical connection parts 50 is bent is opposite to the first transverse direction along which the first elastic bent portion 511 of the second electrical connection part 50 is bent.
In one embodiment, as shown in fig. 8, 9 and 9A, the first elastic bending part 511 includes a lateral deformation part 5111 capable of being elastically deformed in a lateral direction perpendicular to the longitudinal axis of the second electrical connection part 50; and the second elastic bent portion 521 includes a longitudinal deformation portion 5211 that is elastically deformed in a longitudinal direction parallel to the longitudinal axis of the second electrical connection member 50.
In the embodiment according to the present disclosure, the lateral deformation portion 5111 is substantially C-shaped, and when another electronic device (not shown) can be inserted between the two columns of the second electrical connectors 50, the lateral deformation portion 5111 will be pressed by the contact of the another electronic device to be elastically deformed, so as to be in pressure contact with the contact of the another electronic device, so as to achieve reliable electrical connection.
In addition, in the embodiment according to the present disclosure, the longitudinal deformation portion 5211 has a substantially circular shape, which is capable of being elastically deformed in a longitudinal direction parallel to the longitudinal axis of the second electrical connection member 50, so that it is possible to accommodate manufacturing, mounting errors of the respective devices, and relative movement between the respective devices due to impact, vibration, or the like during use. As a possible embodiment, the longitudinal deformation portion 5211 is formed by notching a substantially middle position of the second elastic bent portion 521 by punching or the like, and bending two legs separated by the notch in opposite directions into substantially semicircular shapes, respectively.
It should be understood that although the second elastic bent portions 521 of the two adjacent second electrical connection parts 50 are staggered with each other in the embodiments shown in fig. 8, 9 and 9A, the second end portions 52 of the two adjacent second electrical connection parts 50 may not be staggered with each other according to the present disclosure.
As shown in fig. 1, 2, 3, 4, 6, 7 and 8, the first end 61 of the elastic connecting piece 60 is detachably connected to the slot on the outer side of the base 30 by a tight fit, and the second end 62 of the elastic connecting piece 60 is provided with a plurality of evenly spaced fisheye terminals 621, and the fisheye terminals 621 are configured to be plugged into the slots 23 of the circuit board 20 by a tight fit. The elastic connecting piece 60 further comprises at least one elastic bending portion 63 arranged between the first end 61 and the second end 62 of the elastic connecting piece and capable of elastic deformation in the at least one direction, so that the first end 61 and the second end 62 of the elastic connecting piece 60 can move relatively in the at least one direction.
In one embodiment, the resilient bend 63 of the resilient connecting piece 60 is formed by removing (e.g., by stamping, etc.) material of the resilient connecting piece 60 and bending the resilient connecting piece 60. In addition, in one embodiment, a plurality of protruding portions 33 are disposed on the outer side of the base 30, and the protruding portions 33 are located between two adjacent elastic bending portions 63 of the elastic connecting piece 60. Specifically, as shown in fig. 8, the elastic connecting piece 60 includes 6 sets of elastic bent portions 63, each set of elastic bent portions 63 includes 4 elastic bent portions, and the protruding portion 33 is clamped between the elastic bent portions 63 of adjacent sets.
In summary, the electrical connection assembly 10 according to the present disclosure includes a base 30 and a first electrical connection part 40, a second electrical connection part 50 and two elastic connection pieces 60 that electrically connect the base 30 to the circuit board 20 in a manner that allows the base 30 to move in multiple directions with respect to the circuit board 20. The first electrical connection part 40 is in the form of a cylindrical spring mechanism, and can transmit high-frequency signals and large currents without affecting the movement/deformation of the base 30 and another electronic device (e.g., another circuit board) inserted into the base 30 and located between two columns of the second electrical connection parts 50 in multiple directions relative to the circuit board 20.
Specifically, as shown in fig. 10, the first electrical connection member 40 and the elastic connection piece 60 serve to electrically connect and fix the base 30 to the circuit board 20 in such a manner that the base 30 moves in a plurality of directions relative to the circuit board 20 (downward arrows show the direction of fastening force), thereby crimping the second electrical connection members 50 arranged in two rows onto the conductive portions 22 of the circuit board 20 and causing the longitudinal deformation portions 5211 of the second electrical connection members 50 to be compressed and deformed, so that reliable electrical contact of the second electrical connection members 50 with the conductive portions 22 of the circuit board 20 can be maintained even when the base 30 moves away from the circuit board 30 due to vibration, impact, or the like.
In one embodiment according to the present disclosure, the surface of the base 30 adjacent to the circuit board 20 is spaced a distance from the circuit board 20 such that the base 30 "floats" above the circuit board 20, thereby enabling the base 30 to move in a direction towards the circuit board 20 and in a direction away from the circuit board 20 while maintaining proper electrical connections between the various components. That is, the base 30 of the electrical connection assembly 10 according to the present disclosure is capable of moving relative to the circuit board 20 in various directions parallel to the circuit board 20 and in directions perpendicular to the circuit board 20 while maintaining a proper electrical connection between the electrical connection assembly 10 and the circuit board 20. Fig. 11 to 14 show the movement of the base 30 relative to the circuit board 20 in four different directions, respectively.
The electrical connection assembly 10 according to the present disclosure achieves reliable floating electrical connection between the base 30 and the second electrical connection part 50 and the circuit board by means of plugging (without welding which is disadvantageous for disassembly and replacement operations), which is easy to disassemble and replace, and simultaneously achieves advantageous technical effects of reliable transmission of high frequency signals and large currents (through the first electrical connection part 40 having a cylindrical shape) and adaptation to manufacturing, assembly positioning errors of the respective parts, and relative displacement between the respective parts (through the first electrical connection part 40, the second electrical connection part 50 and the elastic connection piece 60 which can be elastically deformed) due to impact, vibration and the like during use.
According to a second aspect of the present disclosure, there is provided a circuit board assembly comprising: a first circuit board; and one or more of the above-described electrical connection assemblies 10 connected to the first circuit board; wherein the base 30 of the electrical connection assembly 10 is movable in at least one direction relative to the first circuit board while maintaining an electrical connection between the electrical connection assembly 10 and the first circuit board. In one embodiment, the surface of the base 30 adjacent to the first circuit board is spaced a distance from the first circuit board.
According to a third aspect of the present disclosure, there is provided an electronic apparatus comprising: the circuit board assembly described above; and a second circuit board electrically connected to the second electrical connection part 50 of the electrical connection assembly 10 so as to be electrically connected to the circuit board assembly, wherein the second circuit board is movable in at least one direction with respect to the first circuit board while maintaining electrical connection between the second circuit board and the first circuit board. The electronic device may be an electronic device included in a mobile phone, a vehicle-mounted electronic device, an industrial personal computer, and various other industrial devices.
Although embodiments or examples of the present disclosure have been described with reference to the accompanying drawings, it is to be understood that the above-described methods, apparatuses and storage media are merely exemplary embodiments or examples and that the scope of the present disclosure is not limited by these embodiments or examples, but only by the claims as issued and their equivalents. Various elements in the embodiments or examples may be omitted or may be replaced with equivalents thereof. Further, the steps may be performed in an order different from that described in the present disclosure. Further, various elements in the embodiments or examples may be combined in various ways. It is important that as technology evolves, many of the elements described herein may be replaced with equivalent elements that appear after the present disclosure.
Claims (17)
1. An electrical connection assembly for a circuit board, the electrical connection assembly comprising:
a base;
at least one first electrical connection component, a first end of the first electrical connection component along a longitudinal axis being received in a hole of the base, and a second end of the first electrical connection component along the longitudinal axis being configured to be insertable into a hole of the circuit board with a tight fit to connect the base to the circuit board;
at least one second electrical connection component, a first end of which along the longitudinal axis is received in and at least partially protrudes from the slot of the base, and a second end of which along the longitudinal axis is configured to be electrically connectable with a conductive portion of a circuit board;
wherein a flexible connection portion is provided between the first end portion and the second end portion of the first electrical connection member, the flexible connection portion being deformable in at least one direction such that the first end portion of the first electrical connection member is movable in the at least one direction relative to the second end portion of the first electrical connection member, thereby enabling the base to move in the at least one direction relative to the circuit board while maintaining the second end portion of the second electrical connection member in electrical connection with the conductive portion of the circuit board.
2. The electrical connection assembly as recited in claim 1, wherein the at least one direction comprises at least one direction parallel to the base and at least one direction perpendicular to the base.
3. The electrical connection assembly of claim 1, wherein the flexible connection is a helical connection.
4. The electrical connection assembly of claim 1, wherein the flexible connection is a wave spring-like connection.
5. The electrical connection assembly of claim 1, wherein a cross-sectional area of the flexible connection portion is less than a cross-sectional area of the first and second ends of the first electrical connection component.
6. The electrical connection assembly of claim 1, wherein the first end portion, the second end portion, and the flexible connection portion of the first electrical connection component are integrally formed; or
At least one of the first end portion, the second end portion, and the flexible connection portion of the first electrical connection member is separately formed.
7. The electrical connection assembly as recited in claim 1, wherein the second end of the first electrical connection component is provided with a drum-type resilient contact structure comprising at least two resilient contact portions spaced apart along a circumferential direction and symmetrically arranged.
8. The electrical connection assembly of claim 1, wherein the first end of the second electrical connection component comprises a first resilient bend that bends along a first transverse direction perpendicular to a longitudinal axis of the second electrical connection component; and is
The second end of the second electrical connection component includes a second resilient bend that bends in a second transverse direction perpendicular to the longitudinal axis of the second electrical connection component.
9. The electrical connection assembly as recited in claim 8, wherein the first lateral direction and the second lateral direction are the same direction; or
The first lateral direction and the second lateral direction are opposite directions.
10. The electrical connection assembly of claim 8, wherein the second electrical connection component comprises at least one pair of staggered second electrical connection components, wherein,
the first elastic bending part and the second elastic bending part of one of the at least one pair of staggered second electrical connection parts are bent along the same transverse direction; and is
The first and second elastic bent portions of the other of the at least one pair of staggered second electrical connection parts are bent in opposite lateral directions.
11. The electrical connection assembly as recited in claim 8, wherein the first resilient bending portion comprises a lateral deformation portion that is resiliently deformable in a lateral direction perpendicular to a longitudinal axis of the second electrical connection component; and/or
The second elastic bending portion includes a longitudinal deformation portion that elastically deforms along a longitudinal direction parallel to a longitudinal axis of the second electrical connection member.
12. The electrical connection assembly as recited in any one of claims 1 to 11, further comprising at least one resilient connecting tab, a first end of the resilient connecting tab being removably connected to an outer side of the base by a tight fit, a second end of the resilient connecting tab being provided with at least one fisheye terminal configured to be insertable into a slot of the circuit board by a tight fit, and
the elastic connecting piece further comprises at least one elastic bending part which is arranged between the first end part and the second end part of the elastic connecting piece and can be elastically deformed in at least one direction, so that the first end part and the second end part of the elastic connecting piece can relatively move in at least one direction.
13. The electrical connection assembly as recited in claim 12, wherein the at least one resilient bend of the resilient connecting tab is formed by removing material of the resilient connecting tab and bending the resilient connecting tab.
14. The electrical connection assembly as recited in claim 12, wherein the outer side of the base is provided with at least one protrusion located between two adjacent elastic bends of the elastic connection tab.
15. A circuit board assembly, comprising:
a first circuit board; and
one or more electrical connection assemblies as claimed in any one of claims 1 to 14 connected to the first circuit board;
wherein the base of the electrical connection assembly is movable in at least one direction relative to the first circuit board while maintaining an electrical connection between the electrical connection assembly and the first circuit board.
16. The circuit board assembly of claim 15, wherein a surface of the base adjacent the first circuit board is spaced a distance from the first circuit board.
17. An electronic device, characterized in that the electronic device comprises:
a circuit board assembly according to claim 15 or 16; and
a second circuit board electrically connected to a second electrical connection part of the electrical connection assembly so as to be electrically connected to the circuit board assembly,
wherein the second circuit board is movable in at least one direction relative to the first circuit board while maintaining an electrical connection between the second circuit board and the first circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656658.3A CN111769389B (en) | 2020-07-09 | 2020-07-09 | Electric connection assembly, circuit board assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656658.3A CN111769389B (en) | 2020-07-09 | 2020-07-09 | Electric connection assembly, circuit board assembly and electronic equipment |
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| Publication Number | Publication Date |
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| CN111769389A true CN111769389A (en) | 2020-10-13 |
| CN111769389B CN111769389B (en) | 2021-09-28 |
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| CN111769389B (en) | 2021-09-28 |
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