CN111613922A - Board-to-board socket - Google Patents
Board-to-board socket Download PDFInfo
- Publication number
- CN111613922A CN111613922A CN202010286231.9A CN202010286231A CN111613922A CN 111613922 A CN111613922 A CN 111613922A CN 202010286231 A CN202010286231 A CN 202010286231A CN 111613922 A CN111613922 A CN 111613922A
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- China
- Prior art keywords
- board
- socket
- plug
- arm
- peripheral wall
- 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.)
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Classifications
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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
- H01R12/716—Coupling device provided on the PCB
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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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
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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
- H01R13/46—Bases; Cases
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
Abstract
A board-to-board socket comprises a socket body, socket terminals and a socket reinforcing piece, wherein the socket body comprises a bottom wall, socket side walls formed by upwards protruding from the longitudinal two ends of the bottom wall, socket guide parts formed at the transverse two ends of the socket body and island parts formed by upwards protruding from the bottom wall, the socket guide includes a plug guide receiving cavity, a longitudinal peripheral wall located laterally outside the plug guide receiving cavity, and a pair of lateral peripheral walls located on both longitudinal sides of the plug guide receiving cavity, the socket reinforcement includes cover in the main part on vertical periphery wall surface, certainly the main part is bent to extend and is covered in the outer horizontal periphery wall cover portion of horizontal periphery wall, certainly bend at horizontal periphery wall cover portion top and extend to the inboard elasticity arm of horizontal periphery wall and certainly the protection portion that horizontal periphery wall cover portion free end extends the formation. This application can effectively protect the elastic force of elasticity arm.
Description
Technical Field
The present application relates to the field of electrical connectors, and more particularly, to a board-to-board socket.
Background
Board-to-board connector assemblies are widely used in the consumer electronics field, such as smart phones, tablet computers, wearable devices, and the like. Present smart mobile phone and wearable equipment all require extremely high to the space, the size of spare part is reducing equally, a ray of board has reached 0.6 mm's minimum height to the board after board-to-board plug and the socket cooperation of board-to-board producer, the terminal interval has also reached 0.25 mm's distance, so small connector, higher requirement has been proposed to connector structural strength, and compare in traditional board to board connector component, the large-scale function integration of current smart mobile phone, propose higher requirement to electric current bearing capacity, require to reach 5A's bearing capacity to electric current transmission like the LCD screen, traditional board can't adapt to present market to intensity and electric current transmission's requirement to board connector component design.
Disclosure of Invention
In view of this, it is necessary to provide a board-to-board socket, which can protect the elastic arm by setting the longitudinal position of the protection portion limiting plug, so that the elastic arm can maintain a good elastic performance.
For solving the technical problem, the application provides a board to board socket, including socket ontology, socket terminal and socket reinforcement, socket ontology includes the diapire, certainly the vertical both ends of diapire upwards bulge the socket lateral wall that forms, form in the socket guiding portion at the horizontal both ends of socket ontology reaches certainly the island portion that the diapire upwards bulges the formation, socket guiding portion includes plug guiding portion receiving chamber, is located plug guiding portion receiving chamber horizontal outside vertical periphery wall and being located a pair of horizontal periphery wall of plug guiding portion receiving chamber vertical both sides, socket reinforcement is including cover in the main part on vertical periphery wall surface, be located the tip main part at the vertical both ends of main part periphery wall, certainly the tip main part bend extend cover in the outer horizontal cover portion of horizontal periphery wall, certainly the horizontal cover portion top of covering is bent and is extended to the inboard elasticity arm of horizontal periphery wall and certainly horizontal outer periphery wall outside elasticity arm and from The protection portion that the free end of perisporium covering portion extended and formed, horizontal periphery wall inboard corresponds the elasticity of elasticity arm portion dodges the portion, horizontal periphery wall is keeping away from longitudinal periphery wall one side still is equipped with articulates the stage portion, the protection portion including cover articulate the first protection portion of stage portion medial surface and certainly bend and articulate in first protection portion top articulate the second protection portion of stage portion upper surface.
Preferably, the horizontal peripheral wall of the socket body includes a supporting shoulder and an accommodating portion formed at the longitudinal outer side of the supporting shoulder, and the horizontal peripheral wall covers an installation step portion of the horizontal peripheral wall, the elastic avoiding portion is provided on the longitudinal inner side surface of the supporting shoulder, and the horizontal position of the top surface of the hooking table portion is lower than the horizontal position of the top surface of the supporting shoulder.
Preferably, a communication step portion is further formed between the hooking table portion and the support shoulder portion in a penetrating manner in the longitudinal direction, and the communication step portion is communicated with the elastic avoiding portion.
Preferably, the protection portion further comprises a connecting portion which is bent inwards from the longitudinal outer side end of the covering portion of the transverse outer peripheral wall and penetrates through the step portion, the first protection portion is bent from one end of the connecting portion to form a covering portion on the inner side face of the hanging table portion, and the second protection portion is bent outwards from the top of the first protection portion to form a hanging portion on the top face of the hanging table portion.
Preferably, the protection portion further includes a connecting portion formed by extending the hooking portion from the top of the cover portion of the lateral peripheral wall, the second protection portion is formed at the end of the connecting portion and is hooked on the hooking portion, and the first protection portion is formed on the inner side surface of the hooking portion by bending downward the inner side end of the second protection portion.
Preferably, the elastic arm portion includes an elastic main body arm suspended inside the elastic avoiding portion and a contact protrusion stamped and formed on the elastic main body arm, and as viewed from top to bottom, the elastic main body arm is closer to the plug guide receiving cavity than the first protection portion, and the elastic main body arm is at least partially located in the plug guide receiving cavity.
Preferably, the board-to-board socket is butted with a board-to-board plug, after the board-to-board plug is inserted into the socket, the longitudinal sides of the plug squeeze the elastic main body arms and electrically contact the elastic main body arms, and the first protection portion limits the longitudinal sides of the plug to prevent excessive squeezing of the elastic main body arms.
Preferably, both ends in the lateral direction of the island portion are provided with protected portions having a horizontal position lower than that of the island portion, and the socket reinforcement further includes a central guide portion bent downward from the inside in the lateral direction of the main body portion and extending to and covering the protected portions.
Preferably, the socket reinforcement further includes a longitudinal peripheral wall covering portion bent downward from the body portion laterally outward and covering the longitudinal peripheral wall, and a bottom of the longitudinal peripheral wall covering portion is fixed as a fillet.
Preferably, the plug guide receiving cavity is formed with a through opening between the protected portion and a longitudinal outer peripheral wall, the central guide part comprises a first central guide arm bent downwards from the transverse inner side of the main body part and extending to the inner side surface of the longitudinal peripheral wall, a support bottom arm bent from the first central guide arm and extending to the bottom of the protected part along the through hole, and a second central guide arm bent from the support bottom arm and extending along the protected part, the protected part comprises a table-board part with the horizontal plane lower than that of the island part, an avoiding inclined plane formed by inclining downwards from the table-board part and a clamping groove formed by downwards sinking from the table-board part, the second central guide arm extends obliquely upwards along the avoiding inclined plane, and the tail end of the second central guide part is bent downwards to form a clamping end part clamped in the clamping groove.
This application is through horizontal periphery wall one end extends to form and is located the inboard guard portion of horizontal periphery wall, just the guard portion is less than the elasticity arm, when the plug inserts, earlier by the guide of elasticity arm is inserted the back again by its longitudinal position of guard portion restriction prevents to rock the elastic force in order to damage the elasticity arm.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Fig. 1 to 11 are drawings illustrating a first embodiment of a board-to-board connector assembly according to the present application:
FIG. 1 is an assembled view of a board-to-board connector assembly according to an embodiment;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a perspective assembly view of a one-board-to-one-board plug according to an embodiment;
fig. 4 is a perspective view of a plug body of a one-plate-to-one-plate plug of an embodiment and a partially enlarged view thereof;
FIG. 5 is a perspective view of a header reinforcement member of a one-plate-to-one header of an embodiment;
FIG. 6 is a perspective view of an alternate angle of the header reinforcement of the one-plate-to-one header of the embodiment;
FIG. 7 is a perspective assembly view of a one-board-to-one-board socket according to an embodiment;
FIG. 8 is an enlarged partial view of a receptacle body of a one-board-to-one receptacle according to an embodiment;
FIG. 9 is a perspective view of a socket stiffener for a board-to-board socket according to an embodiment;
FIG. 10 is a left or right side view of a socket stiffener for a board-to-board socket of an embodiment;
FIG. 11 is a longitudinal view of a socket stiffener for a board-to-board socket of an embodiment;
fig. 12 is a perspective view of a two-plate-to-two-plate socket stiffener according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings.
The direction of the present application defines the right direction (or lateral direction) with the X direction shown in fig. 1 as the left-right direction, the front direction (or longitudinal direction) with the Y direction as the front-back direction, and the upper direction (i.e., vertical direction) with the Z direction as the up-down direction.
Example one
Referring to fig. 1, the board-to-board connector assembly of the present application includes a plug a attached to a printed circuit board and a socket B attached to another printed circuit board, wherein the plug a and the socket B are in buckled connection with each other.
The plug a comprises a plug body 10, a plurality of plug terminals 20 formed in the plug body 10, and plug reinforcing members 30 fixed to both ends of the plug body 10 in the transverse direction. The socket B includes a socket body 40, socket terminals 50 mounted on the socket body 40, and socket reinforcing members 60 mounted and fixed to both lateral ends of the socket body 40.
Referring to fig. 2 to 6, the plug body 10 of the plug a includes a top wall 11, a pair of plug side walls 12 formed by extending downward from two longitudinal sides of the top wall 11, plug guide portions 14 formed at two lateral ends of the plug body 10, and an island receiving cavity 13 formed between the top wall 11, the pair of plug side walls 12 and the plug guide portions 14.
The plug terminals 20 are integrally formed on a pair of plug side walls 12 in two rows in the lateral direction, and the plug guide portion 14 includes a bottom surface 141, a longitudinal outer side 142, a pair of lateral outer sides 143, and a slope 144 facing the island receiving cavity 13. The longitudinal outer side 142 is provided with a first notch 1421, and the transverse outer side 143 includes two longitudinally protruding protrusions 1431, 1432, a second notch 1433 located between the two protrusions 1431, 1432, and a third notch 1434 located between the protrusion 1432 and the plug side wall 12. The inclined surface 144 is formed with an inclined surface 1441 upwardly extending from the bottom surface 141 to the top wall 11 and a catching hole 1442 concavely formed from the inclined surface 1441 upwardly at a side close to the bottom surface 141.
The plug reinforcement member 30 includes a covering base 31 covering the bottom surface 141 of the plug guide portion 14 along the longitudinal direction, a longitudinal outer side surface covering portion 35 and a longitudinal inner side surface covering portion 34 respectively covering the longitudinal outer side surface 142 and being clamped into the clamping hole 1442, and a transverse outer side surface covering portion 33 covering the transverse outer side surface 143 along the transverse direction, which is formed by upward bending and extending the longitudinal two ends of the covering base 31. The longitudinal outer surface covering 35 is snapped into the first recess 1421.
The transverse outer side surface covering portion 33 includes a contact portion 331 clamped in the second notch 1421, and a solder leg 332 formed by vertically bending towards the longitudinal outer side from the top of one end of the transverse outer side surface covering portion 33 away from the longitudinal outer side surface covering portion 35, the contact portion 331 of the transverse outer side surface covering portion 33 is clamped in the second notch 1433, the solder leg 332 is formed by vertically bending towards the longitudinal outer side after being clamped in the third notch 1434, the transverse outer side surface covering portion 33 is further provided with a bayonet 333 to be clamped in the periphery of the projection 1432, so that the holding force between the plug reinforcing member 30 and the plug guiding portion 14 is enhanced.
Referring to fig. 2, the plug terminal 20 includes a plug terminal solder leg 24 extending from the upper surface of the top wall 11 in the longitudinal direction to the outside of the top wall 11, a plug terminal first contact portion 22 bent from the plug terminal solder leg 24 along the surface of the top wall 11 to the inner side surface of the plug side wall 12, and a plug terminal second contact portion 23 bent from the lower end of the plug terminal first contact portion 22 in the opposite direction and extending to the outer side surface of the plug side wall 12. The second contact portion 23 of the plug terminal is provided with a groove structure.
As shown in fig. 1, 2, 7 and 8, the socket body 40 of the socket B of the board-to-board connector assembly of the present application includes a bottom wall, a pair of socket sidewalls 42 extending upward from two longitudinal sides of the bottom wall, an island 45 protruding upward from the bottom wall between the pair of socket sidewalls 42, socket guiding portions 44 formed at two lateral ends of the socket body 40, and a plug sidewall receiving cavity 43 formed between the island 45 and the pair of socket sidewalls 42.
The bottom wall of the socket body 40 is provided with a plurality of terminal grooves 46 from bottom to top, the socket terminal 50 is assembled in the terminal grooves 46 upwards, the socket terminal 50 comprises a support arm 51 extending in the terminal groove 46 at the bottom wall and exposed at the bottom of the terminal groove 46, a socket terminal second contact portion 52 bent upwards from the longitudinal outer side of the support arm 51 and located on the longitudinal side of the island portion 45 and facing the socket side wall 42, a socket terminal first contact portion 53 bent upwards from the longitudinal inner side of the support arm 51 and located on the longitudinal side of the socket side wall 42, a holding portion 54 bent upwards from the top end of the first contact portion 53, and a solder foot 55 bent vertically from the bottom end of the holding portion 54 and extending to the longitudinal outer side and located on the lower surface of the bottom wall of the socket body 40.
When the plug a is matched with the socket B, the island portion 45 is accommodated in the island portion receiving cavity 13 of the plug a, the plug side wall 12 of the plug a is accommodated in the plug side wall receiving cavity 43 of the socket B, and the plug guide portion 14 is guided into the socket guide portion 44. The plug terminal 20 is clamped between the first and second contact portions 53 and 52 of the socket terminal 50, and the first and second contact portions 22 and 23 of the plug terminal 20 are electrically contacted with the first and second contact portions 53 and 52 of the socket terminal 50, respectively.
As shown in fig. 8, protected portions 451 are provided at both lateral ends of the island portion 45 toward the socket guide portion 44, and each protected portion 451 includes a mesa portion 453 having a lower horizontal surface than the island portion 45, an escape slope 452 inclined obliquely downward from the mesa portion 453, a catching groove 454 recessed downward from the mesa portion 453, and a communicating groove 455 communicating with the escape slope 452 and opened laterally outward from the catching groove 454.
The receptacle guide 44 includes peripheral walls 441, 442 and a plug guide receiving cavity 443 located between the peripheral walls 441, 442. The peripheral wall 441 includes a longitudinal peripheral wall 441 and a pair of lateral peripheral walls 442 connected to both ends of the longitudinal peripheral wall 441, the lateral peripheral walls 442 being connected to the receptacle side walls 42.
The plug guide receiving cavity 443 is formed with a through hole 4431 penetrating in the up-down direction corresponding to the lateral extension of the island 45, the through hole 4431 extending up to the lower end of the longitudinal outer peripheral wall 441. The longitudinal outer peripheral wall 441 is provided at a laterally outer side thereof with a first extending groove 4411. The lateral peripheral wall 442 is formed with a support shoulder 4421 projecting upward, and an installation step 4425 extending in the lateral direction at the outer periphery of the support shoulder 4421 is provided at the longitudinal outer side of the support shoulder 4421, a communication step 4426 blocking the support shoulder 4421 in the longitudinal direction, and an elastic escape 4422 at the longitudinal inner side of the support shoulder 4421. The lateral peripheral wall 442 is further formed with a hooking step portion 4423 interrupted by the communication step portion 4426 at an end thereof adjacent to the receptacle side wall 42. The horizontal position of the top surface of the hooking table portion 4423 is lower than that of the top surface of the support shoulder portion 4421. The mounting stepped part 4425 partially penetratingly forms a second extension groove 4428 in a vertical direction.
With continued reference to fig. 9 to 11, the socket stiffener 60 includes a main body portion 61 covering the top surface of the longitudinal peripheral wall 441 in the longitudinal direction, a longitudinal peripheral wall covering portion 62 bent downward from the lateral outer end of the main body portion 61 and extending into the first extending groove 4411, a central guide portion 63 bent downward from the lateral inner side of the main body portion 61 and extending to the protected portion 451 at the lateral end of the island portion 45, lateral peripheral wall covering portions 64 bent downward from the longitudinal ends of the main body portion 61 and extending along the mounting step portions 4425 and located on the longitudinal outer side and the upper side of the lateral peripheral wall 442, and a protecting portion 66 extending from the free end of the lateral peripheral wall covering portions 64. The main body portion 61 includes a middle body 611 at the middle and end bodies 612 at both longitudinal ends of the middle body 611, and the lateral peripheral wall cover portions 64 are formed extending from the end bodies 612 in the lateral direction. The protective portion 66 includes a connecting portion 661 bent from an end portion of the lateral peripheral wall covering portion 64 along a longitudinal inner side and passing through the communicating step portion 4426, a first protective portion 662 bent from the connecting portion 661 along a lateral direction and formed inside the hooking table portion 4423, and a second protective portion 663 bent from a top portion of the first protective portion 662 along a longitudinal outer side and hooked above the hooking table portion 4423.
The socket stiffener 60 further includes a resilient arm portion 65 extending from the top end of the lateral peripheral wall cover portion 64 in a direction folded along the longitudinal inside into the plug guide receiving cavity 443, and the resilient arm portion 65 includes a bridging portion 651 formed by folding and extending from the top end of the lateral peripheral wall cover portion 64 on the top surface of the support shoulder 4421, a resilient body arm 652 formed by folding and extending from the bridging portion 651 downward inside the resilient bridging portion 4422, and a contact protrusion 653 protruding from the resilient body arm 652 toward the plug guide receiving cavity 443. The elastic body arm 652 is elastically deformable in the longitudinal direction within the elastic escape portion 4422.
The horizontal position of the top surface of the second protection portion 663 is lower than the horizontal position of the top surface of the bridge portion 651, and the elastic body arm 652 is closer to the plug guide receiving cavity 443 than the first protection portion 662 as viewed from the top. And at least the contact projections 653 of the resilient body arm 652 are located within the plug guide receiving cavity 443.
The bottom end of the longitudinal peripheral wall covering portion 62 is fixed as a solder fillet to the printed circuit board, and the bottom end of the lateral peripheral wall covering portion 64 is fixed as a solder fillet by extending through the second extending groove 4428 to the printed circuit board.
The central guide portion 63 includes a first central guide arm 631 bent downward from the inside of the main body portion 61, a support base arm 632 bent downward from the bottom of the first central guide arm 631, extending to the bottom of the protected portion 451 on both sides of the island portion 45 along the through hole 4431, a second central guide arm 634 extending upward from the support base arm 632 in an inclined manner above the protected portion 451, and a locking end 635 bent downward from the free end of the second central guide arm 634 and locked into the locking groove 454. The first and second center guide arms 631, 634 are used to guide the insertion of the header reinforcement 30 and protect the longitudinal outer peripheral wall 441 of the socket body 40 and the protected portions 451 at both lateral ends of the island portion 45. The longitudinal outer side surface covering portion 35 and the longitudinal inner side surface covering portion 34 of the plug reinforcement 30 are guided by the first and second central guide arms 631, 634, respectively, and enter between the first and second central guide arms 631, 634 above the support base arm 632, but in the inserted state, the longitudinal outer side surface covering portion 35 and the longitudinal inner side surface covering portion 34 are not in electrical contact with the first and second central guide arms 631, 634. During the insertion process, the support base arm 632 is pressed and the mounted pcb generates a supporting force to make the first and second central guide arms 631 and 634 have a certain elasticity.
When the plug a is inserted, the lateral outer surface covering portion 33 of the plug reinforcing member 30 contacts the inner end surface of the bridging portion 651 first and presses the elastic body arm 652 outwards in the longitudinal direction, so that the elastic body arm 652 deforms outwards in the longitudinal direction and electrically contacts the contact protrusion 653 to achieve electrical conduction. The first protective portion 662 of the protective portion 66 is used for limiting the lateral outer side covering portion 33 of the plug reinforcement 30 to avoid the lateral outer side covering portion 33 from excessively pressing the elastic body arm 652 on one side thereof to avoid damaging the elastic body arm 652.
In the present embodiment, by providing the protection portion 66, the elastic body arm 652 is prevented from being excessively pressed toward the longitudinal outside by the plug a to cause mechanical deformation and damage to the elastic force.
Example two
Referring to fig. 12, a second embodiment of the board-to-board connector assembly according to the present invention is shown, in which the board-to-board connector a of the present embodiment is identical to the first embodiment, and only differs from the first embodiment in a part of the structure of the socket stiffener 60.
The difference between the second embodiment and the first embodiment is that: the bridging portion 651 of the resilient arm portion 65 serves as a portion of the lateral peripheral wall cover portion 64 covering the top surface of the lateral peripheral wall 442, i.e., the resilient body arm 652 is bent downward from the portion of the lateral peripheral wall cover portion 64 located above the lateral peripheral wall 442 and extends inside the resilient escape portion 4422. The protection portion 66 is formed by extending the top of the transverse peripheral wall covering portion 64 downwards in a transverse direction in a slant manner, and the protection portion 66 comprises a connecting portion 661 formed by extending the top of the transverse peripheral wall covering portion 64 downwards in a slant manner in a transverse inner side end, a second protection portion 663 formed at the free end of the connecting portion 661 and hung on the hanging table portion 4423, and a first protection portion 662 formed by bending the inner side of the second protection portion 663 downwards and covering the inner side surface of the hanging table portion 4423.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides a board to board socket, includes socket ontology, socket terminal and socket reinforcement, socket ontology includes the diapire, certainly the vertical both ends of diapire make progress the bulge socket side wall that forms, be formed with the socket guide portion at the horizontal both ends of socket ontology and certainly the island portion that the diapire makes progress the bulge and forms, socket guide portion includes plug guide portion receiving chamber, is located the vertical periphery wall in the horizontal outside of plug guide portion receiving chamber and being located a pair of horizontal periphery wall in the vertical both sides of plug guide portion receiving chamber, socket reinforcement including cover in the main part on vertical periphery wall surface, being located the tip main part at the vertical both ends of main part, certainly the tip main part is bent to extend and is covered in the outer horizontal periphery wall of horizontal periphery wall covers portion, certainly bend at the top of horizontal periphery wall cover portion and extend to the inboard elasticity arm of horizontal periphery wall and certainly the free end of horizontal periphery wall cover portion extends the The protection part is characterized in that the inner side of the transverse peripheral wall corresponds to the elastic avoiding part of the elastic arm part, the transverse peripheral wall is far away from one side of the longitudinal peripheral wall and is further provided with a hooking table part, the protection part comprises a first protection part covering the inner side surface of the hooking table part and a second protection part bending and hooking at the top of the first protection part and hooking at the upper surface of the hooking table part.
2. The board-to-board jack of claim 1, wherein said lateral peripheral wall of said jack body includes a support shoulder and a mounting step portion formed on a longitudinally outer side of said support shoulder for receiving said lateral peripheral wall covering portion, said elastic escape portion opens on a longitudinally inner side of said support shoulder, and a top surface of said hooking table portion has a lower horizontal position than a top surface of said support shoulder.
3. The board-to-board socket according to claim 2, wherein a communication step portion is further formed through between the hooking table portion and the support shoulder portion in the longitudinal direction, the communication step portion communicating with the elastic relief portion.
4. The board-to-board socket according to claim 3, wherein said protection portion further comprises a connecting portion bent inward from a longitudinally outer side end portion of said lateral peripheral wall covering portion to pass through said communicating step portion, said first protection portion is bent from one end of said connecting portion to cover an inner side surface of said hooking portion, and said second protection portion is bent outward from a top portion of said first protection portion to be hooked on a top surface of said hooking portion.
5. The board-to-board socket according to claim 2, wherein said protection portion further comprises a connecting portion extending from the top of said lateral peripheral wall covering portion obliquely to said hooking base portion, said second protection portion is formed at an end of said connecting portion and hooked on said hooking base portion, and said first protection portion is formed on an inner side surface of said hooking base portion by being bent downward from an inner end of said second protection portion.
6. The board-to-board socket according to claim 4 or 5, wherein the resilient arm portion comprises a resilient body arm suspended inside the resilient escape portion and a contact protrusion stamped and formed on the resilient body arm, the resilient body arm is closer to the plug guide receiving cavity than the first protection portion, and the resilient body arm is at least partially located in the plug guide receiving cavity, as viewed from top.
7. The board-to-board socket of claim 6, wherein the board-to-board socket interfaces with a board-to-board plug, and wherein when the board-to-board plug is inserted into the socket, longitudinal sides of the plug press against and electrically contact the resilient body arms, and the first protection feature limits the longitudinal sides of the plug from over-pressing the resilient body arms.
8. The board-to-board socket according to claim 1, wherein both lateral ends of said island portion are provided with protected portions having a lower level than said island portion, and said socket reinforcement further comprises a central guide portion bent downward from a laterally inner side of said main body portion and extending to and covering said protected portions.
9. The board-to-board socket of claim 8 wherein said socket stiffener further includes a longitudinal peripheral wall cover portion bent downwardly laterally outwardly from said body portion and covering said longitudinal peripheral wall, said longitudinal peripheral wall cover portion being secured at a bottom portion thereof as a solder tail.
10. The board-to-board socket of claim 9, wherein said plug guide receiving cavity is formed with a through opening between said protected portion and a longitudinal peripheral wall, the central guide part comprises a first central guide arm bent downwards from the transverse inner side of the main body part and extending to the inner side surface of the longitudinal peripheral wall, a support bottom arm bent from the first central guide arm and extending to the bottom of the protected part along the through hole, and a second central guide arm bent from the support bottom arm and extending along the protected part, the protected part comprises a table-board part with the horizontal plane lower than that of the island part, an avoiding inclined plane formed by inclining downwards from the table-board part and a clamping groove formed by downwards sinking from the table-board part, the second central guide arm extends obliquely upwards along the avoiding inclined plane, and the tail end of the second central guide part is bent downwards to form a clamping end part clamped in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286231.9A CN111613922B (en) | 2020-04-13 | 2020-04-13 | Board-to-board socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286231.9A CN111613922B (en) | 2020-04-13 | 2020-04-13 | Board-to-board socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111613922A true CN111613922A (en) | 2020-09-01 |
| CN111613922B CN111613922B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010286231.9A Active CN111613922B (en) | 2020-04-13 | 2020-04-13 | Board-to-board socket |
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| Country | Link |
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| CN (1) | CN111613922B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050431A (en) * | 2021-11-11 | 2022-02-15 | 富加宜电子（南通）有限公司 | Low-height large-current plate-to-plate connector |
Citations (24)
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