CN214204049U

CN214204049U - Socket connector

Info

Publication number: CN214204049U
Application number: CN202120064930.9U
Authority: CN
Inventors: 柯华
Original assignee: Dongguan Weilian Electronic Technology Co ltd
Current assignee: Dongguan Weilian Electronic Technology Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-09-14
Anticipated expiration: 2031-01-11

Abstract

The utility model provides a socket connector, includes socket ontology, fixes a plurality of socket terminal and socket-guard frame on socket ontology, socket ontology is formed with the grafting space and includes two lateral walls that set up relatively, socket-guard frame set firmly in socket ontology's length direction's both ends are in the region except that socket terminal place region, socket-guard frame includes at least part and socket ontology fixed main part, with main part body coupling's connecting portion, and with connecting portion body coupling's elastic arm, socket-guard frame still includes the crossbeam portion, crossbeam portion is fixed in underground at least part in the lateral wall, the crossbeam portion is used for strengthening the intensity of the lateral wall of connecting portion position. The socket connector of the application has better structural stability.

Description

Socket connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to a socket connector, and more particularly, to a socket connector connected to a circuit board.

[ background of the invention ]

A Board to Board Connector (BTB) is a Connector often used in electronic devices (e.g., mobile phones, tablet computers, etc.), and is used to mechanically and electrically interconnect a main Board of the electronic device and modules (e.g., a display module, a touch module, a camera module, etc.). The board-to-board connector generally comprises two parts, namely a plug and a socket, wherein the plug and the socket are both composed of a plastic body and a conductive terminal fixed on the plastic body, the plastic body mainly plays a role in insulating and positioning the conductive terminal, and the conductive terminal mainly plays a role in transmitting signals. Typically, the plug and receptacle of the prior art board-to-board connector also add a protective bracket to enhance the strength of the connector, and the protective bracket also serves as a retention force when the plug is mated with the receptacle, wherein in some prior art protective brackets may also be used as current terminals. Therefore, the requirements on the bonding strength of the protection bracket and the plastic body, the length of the arm of force of the elastic arm on the protection bracket, the overall structural strength and stability of the socket connector combined with the protection bracket are higher, and particularly under the design trend that the board-to-board connector is more and more miniaturized nowadays.

Therefore, it is necessary to provide a new design for achieving better effect.

[ Utility model ] content

It is an object of the present application to provide a new socket connector with improved structural stability.

The purpose of the application is realized by the following technical scheme:

a socket connector comprises a socket body, a plurality of socket terminals and a socket protection frame, wherein the socket terminals and the socket protection frame are fixed on the socket body; the socket protection frame comprises a main body part, a connecting part and an elastic arm, wherein the main body part is at least partially fixed with the socket body, the connecting part is integrally connected with the main body part, the elastic arm is integrally connected with the connecting part, at least part of the elastic arm protrudes into the plugging space to form a contact part, at least part of the elastic arm extends along the inner surfaces of the two ends of the side wall in the length direction, a gap is formed between at least part of the elastic arm and the inner surfaces of the two ends of the side wall in the length direction, the connecting part extends along the width direction of the socket body, and the socket protection frame further comprises a transverse beam part, the beam part is at least partially embedded and fixed in the side wall, and the beam part is used for reinforcing the strength of the side wall at the position of the connecting part.

Further, the main body portion includes outer wall portions integrally formed at both end portions of the side walls in the longitudinal direction, the connecting portion is formed by bending the outer wall portions in the width direction, the elastic arm is formed by bending the connecting portion in the longitudinal direction, and the beam portion is formed by extending the outer wall portions.

Further, the lateral wall is formed with the breach of stepping down in the position of connecting portion, connecting portion at least part is located in the breach of stepping down, crossbeam portion jumps along length direction the breach of stepping down, the free end of crossbeam portion is buried underground in the lateral wall of the breach one end of stepping down on length direction.

Further, the beam portion and the connecting portion at least partially overlap in an up-down direction perpendicular to the longitudinal direction and the width direction.

Further, the beam portion is located below the connection portion in the up-down direction.

Further, the main part includes outer wall portion and armour portion, outer wall portion integrated into one piece combine in the length direction's of lateral wall both ends position, the armour portion combine in the region except that socket terminal place region at the both ends of lateral wall along length direction, the outer fringe and outer wall portion body coupling of grafting space are being kept away from to the armour portion, along the upper and lower direction, the elastic arm is located the armour portion under except that the at least part of contact site, connecting portion are bent by armour portion along the upper and lower direction and are formed, the elastic arm is bent along length direction by connecting portion and is formed, the crossbeam portion by outer wall portion extends and forms.

Further, the main part still includes armor portion, armor portion combine in the region except that socket terminal place region at the both ends of lateral wall along length direction, the outer side edge and the outer wall portion body coupling of grafting space are kept away from to the armor portion, along upper and lower direction, at least part except that the contact site of elastic arm is covered to the armor portion.

Further, the armor portion is formed with the lower surface, the lower surface in the outside position of keeping away from the grafting space through integrated into one piece combine in on the lateral wall, the lower surface is unsettled form near the inside part in grafting space.

Further, the armor portion is formed with the lower surface, and along upper and lower direction, socket ontology corresponds the lower surface closes on the inside part in grafting space and is formed with logical groove, the inside part that the lower surface closes on the grafting space is located directly over logical groove, elastic arm and connecting portion are the wall of hanging form and expose logical groove downwards.

Furthermore, the connecting part is extended to form a bridging part, and the bridging part is bridged above the beam part along the vertical direction.

Further, along upper and lower direction, armor portion covers the at least part of connecting portion, be equipped with between armor portion and the elastic arm and reserve the clearance, be equipped with between armor portion and the connecting portion and reserve the clearance, the portion that the inboard part that the armor portion closes on the grafting space and the armor portion closes on connecting portion can follow upper and lower direction elastic deformation.

Further, the socket body comprises a bottom wall, two side walls formed by extending upwards from two sides of the bottom wall along the length direction, two end walls formed by extending upwards from two sides of the bottom wall along the width direction, and an island wall formed by extending upwards from the middle position of the bottom wall, the bottom wall, the two side walls, the two end walls and the island wall jointly enclose the insertion space which forms a ring, the main body further includes an end wall protector integrally connected to the armor portion, the end wall protector being bonded to an upper surface of the end wall, an end wall inner side protection part combined with the inner side surface of the end wall extends downwards from one side edge of the end wall protection part adjacent to the plugging space, the lower side edge of the inner side protection part of the end wall and/or the lower side edge of the outer wall part extend to form a welding foot correspondingly combined to a butt joint electric connection plate.

Compared with the prior art, the socket connector has better structural stability.

[ description of the drawings ]

Fig. 1 is a perspective view of a first embodiment of a receptacle connector of the present application;

fig. 2 is a partially exploded perspective view of the first embodiment of the receptacle connector of the present application, particularly showing a perspective view of the receptacle protection bracket separated from the receptacle body;

FIG. 3 is a top view of a first embodiment of a receptacle connector of the present application;

fig. 4 is a bottom view of the first embodiment of the receptacle connector of the present application;

FIG. 5 is a side view of a first embodiment of the receptacle connector of the present application;

FIG. 6 is an enlarged view of the structure within the dashed box of FIG. 5;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 5;

fig. 8 is a perspective view of a second embodiment of the receptacle connector of the present application;

fig. 9 is a partially exploded perspective view of a second embodiment of the receptacle connector of the present application, particularly illustrating a perspective view of the receptacle protective bracket separated from the receptacle body;

fig. 10 is a top view of a second embodiment of the receptacle connector of the present application;

fig. 11 is a bottom view of a second embodiment of the receptacle connector of the present application;

fig. 12 is a side view of a second embodiment of the receptacle connector of the present application;

FIG. 13 is an enlarged view of the structure within the dashed box of FIG. 12;

fig. 14 is a cross-sectional view taken along line a-a of fig. 12.

[ detailed description ] embodiments

Hereinafter, a specific embodiment of the receptacle connector of the present application will be described with reference to fig. 1 to 14.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In addition, in the description of the application, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the application can be understood in a specific context by those of ordinary skill in the art.

In the description of the application, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that, for the sake of more accurate description throughout the present application, all the references to directions refer to fig. 1 or 8, wherein the direction of the X axis is defined as the length direction (i.e. the longitudinal extension direction of the receptacle connector); wherein the direction of the Y axis is defined as the up-down direction (i.e. the thickness direction of the receptacle connector, i.e. the plugging direction of the mating connector), and the forward direction of the Y axis is the up direction; wherein the direction of the Z-axis is defined as the width direction (i.e., the width direction of the receptacle connector). In addition, fig. 1 to 7 are views showing a first embodiment of the receptacle connector of the present application; fig. 8 to 14 show a second embodiment of the receptacle connector of the present application.

Referring to fig. 1 to 7, a first embodiment of a socket connector of the present application is disclosed, which includes a socket body 1, a plurality of socket terminals 2 fixed on the socket body 1, and a socket protection frame 3. The socket body 1 includes a bottom wall 12, two side walls 11 extending upward from two sides of the bottom wall 12 along the length direction, two end walls 13 extending upward from two sides of the bottom wall 12 along the width direction, and an island wall 14 extending upward from the middle position of the bottom wall 12. The bottom wall 12, the two side walls 11, the two end walls 13 and the island wall 14 together enclose an insertion space 10 defining an annular shape with an upward opening.

A plurality of socket terminal 2 arranges to set firmly in two on the lateral wall 11 (in this application, socket terminal 2 is fixed in through integrative injection moulding lateral wall 11), each socket terminal 2 is including burying underground and being fixed in terminal fixed part (do not mark) in the lateral wall 11, bend along terminal fixed part one end and extend the terminal butt joint portion (do not mark) outside socket ontology 1 and bend along the terminal fixed part other end and extend the terminal elastic arm (do not mark) that forms. The terminal mating portion is for contacting a mating circuit board (not labeled). In the present application, the terminal spring arms are substantially U-shaped, and at least part of the terminal spring arms protrude into the plug space 10 for contacting the mating connector.

Referring to fig. 1 to 7, the socket protection bracket 3 is fixedly disposed at two ends of the socket body 1 in the length direction except for the area where the socket terminal 2 is located by integral molding (injection molding). Specifically, the receptacle protector 3 is fixed to the end wall 13 and the end portion of the side wall 11 adjacent to the end wall 13. In this application, the socket protection frame 3 includes a main body 31 at least partially embedded and fixed in the socket body 1, a connecting portion 32 integrally connected with the main body 31, and an elastic arm 33 integrally connected with the connecting portion 32, wherein at least a portion of the elastic arm 33 protrudes into the insertion space 10 to form a contact portion 331.

Specifically, the elastic arm 33 extends along the inner surfaces of the two ends of the side wall 11 in the length direction, a gap 30 (fig. 4 and 7) is formed between at least a part of the elastic arm 33 and the inner surfaces of the two ends of the side wall 11 in the length direction, and the elastic arm 33 can be elastically deformed in the width direction. The connecting portion 32 of the first embodiment extends along the width direction of the socket body 1, and the socket protection frame 3 further includes a beam portion 321, the beam portion 321 is at least partially embedded and fixed in the side wall 11, and the beam portion 321 is used for reinforcing the strength of the side wall 11 at the position of the connecting portion 32.

Referring to fig. 1 to 7, the main body 31 includes outer wall portions 311 integrally formed at both ends of the side wall 11 in the longitudinal direction, the connecting portion 32 is formed by bending the outer wall portions 311 in the width direction, the elastic arm 33 is formed by bending the connecting portion 32 in the longitudinal direction, and the beam portion 321 is formed by extending the outer wall portions 311. The elastic arm 33, the connecting portion 32, and the outer wall portion 311 are connected to form a substantially U-shaped cross section in the longitudinal direction and the width direction.

In this embodiment, the sidewall 11 is formed with the breach of stepping down 110 in the position of connecting portion 32, connecting portion 32 is located at least partially in the breach of stepping down 110, the crossbeam portion 321 jumps along length direction the breach of stepping down 110, the free end of crossbeam portion 321 is buried underground in the sidewall 11 of the breach of stepping down 110 one end on length direction. The arrangement of the abdicating notch 110 is used for positioning and sealing glue when the socket protection frame 3 is injection-molded into the socket body 1; on the other hand, the connecting portion 32 can be elastically deformed along the length direction to increase the effective length of the elastic arm 33, thereby preventing the elastic arm 33 from being plastically deformed. The beam portion 321 serves to reinforce the strength of the side wall 11 at the position of the connecting portion 32. Further, the beam portion 321 and the connecting portion 32 at least partially overlap each other in the vertical direction. The beam portion 321 is located below the connection portion 32.

Further, the body 31 further includes armor parts 312, and the armor parts 312 are joined to the upper surfaces of the side walls 11 at both ends in the longitudinal direction except for the areas where the receptacle terminals 2 are located. The armor 312 is integrally connected to the outer wall 311 at an outer edge away from the insertion space 10, and the armor 312 covers at least a portion of the elastic arm 33 except the contact portion 331 in the vertical direction. The armor part 312 is formed with a guiding part (may be an inclined surface or an arc surface with a guiding effect) at an inner side edge adjacent to the plugging space 10, and the armor part 312 is used for protecting the corresponding position of the upper surface of the sidewall 11 from being damaged by plugging the butting connector and protecting the elastic arm 33.

Further, the armor portion 312 is formed with a lower surface 3120, the lower surface 3120 is combined with the sidewall 11 by integral molding at an outer side position far away from the insertion space 10, and an inner side portion of the lower surface 3120 adjacent to the insertion space 10 is in a suspended shape. Along the up-down direction, a through groove 101 is formed in the socket body 1 corresponding to the inner portion of the lower surface 3120 adjacent to the plugging space 10, the inner portion of the lower surface 3120 adjacent to the plugging space 10 is located right above the through groove 101, the elastic arm 33 is exposed out of the through groove 101 in a cantilevered manner, and preferably, the elastic arm 33 and the connecting portion 32 are exposed out of the through groove 101 in a cantilevered manner. Designed in such a way that the socket protection frame 3 is positioned and sealed when being injection molded into the socket body 1

In this application, along upper and lower direction, armor portion 312 covers the at least part of connecting portion 32, be equipped with between armor portion 312 and the elastic arm 33 and reserve clearance 102, be equipped with between armor portion 312 and the connecting portion 32 and reserve clearance 102, armor portion 312 is close to the inside part of grafting space 10 and the part that armor portion 312 closes on connecting portion 32 can be followed upper and lower direction elastic deformation. When the mating connector is inserted into the mating space 10, the armor portion 312 can play a role of protection and guidance, and can also play a role of mating buffer.

Of course, in the present application, the main body portion 31 further includes an end wall protection portion 313 integrally connected to the armor portion 312, the end wall protection portion 313 is combined to the upper surface of the end wall 13, a side edge of the end wall protection portion 313 adjacent to the inserting space 10 extends downward to form an end wall inner side protection portion 314 combined to the inner side surface of the end wall 13, and the lower side edge of the end wall inner side protection portion 314 and/or the outer wall portion 311 further extends to form a welding pin 301 correspondingly combined to the butt-joint electric connection board.

Referring to fig. 8 to 14, a second embodiment of the receptacle connector of the present application is different from the first embodiment in a local position structure of the receptacle protective frame 3, specifically, the connection portion 32 of the second embodiment is formed by bending the armor portion 312 in the vertical direction, and the elastic arm 33 is formed by bending the connection portion 32 in the longitudinal direction. In addition, a bridging portion 320 is formed on the connecting portion 32 to extend in the width direction, and the bridging portion 320 bridges over the beam portion 321 in the up-down direction. In the second embodiment, the connection portion 32 and the armor portion 312 can be integrally supported on the beam portion 321 through the overlapping portion 320, so as to provide a supporting force when the mating connector is inserted, and the overlapping portion 320 can also play a supporting role (especially, the elastic arm 33 of the mating connector forms a downward pushing force when the mating connector is inserted into the plugging space 10 during the process that the elastic arm 33 and the connection portion 32 are elastically deformed), and meanwhile, the overlapping portion 320 can slide on the beam portion 321 to interlock the elastic arm 33 and the connection portion 32 to displace.

Except for the above differences, other structures in the second embodiment are substantially the same as those in the first embodiment, and are not described again, and the structural descriptions in the description and the structural reference numerals in the drawings are equally applicable.

In summary, the above is only a preferred embodiment of the present application, and should not be taken as limiting the scope of the present application, which is intended to cover all the modifications and equivalents of the claims and the specification.

Claims

1. A socket connector comprises a socket body, a plurality of socket terminals and a socket protection frame, wherein the socket terminals and the socket protection frame are fixed on the socket body;

the socket body is provided with an inserting space and comprises two opposite side walls, a plurality of socket terminals are arranged and fixedly arranged on the side walls,

the socket protection frame is fixedly arranged at the two ends of the socket body in the length direction except the area where the socket terminal is arranged through integral forming,

the socket protection frame comprises a main body part at least partially fixed with the socket body, a connecting part integrally connected with the main body part, and an elastic arm integrally connected with the connecting part, at least part of the elastic arm protrudes into the inserting space to form a contact part,

at least part of elastic arm extends along the internal surface at the length direction both ends of lateral wall, form the clearance between at least partial position of elastic arm and the internal surface at the length direction both ends of lateral wall, its characterized in that:

the socket protection frame comprises a socket body, a connecting part and a cross beam part, wherein the connecting part extends along the width direction of the socket body, the socket protection frame further comprises the cross beam part, at least part of the cross beam part is embedded and fixed in the side wall, and the cross beam part is used for reinforcing the strength of the side wall at the position of the connecting part.

2. The receptacle connector of claim 1, wherein: the main body portion includes outer wall portions integrally formed at both end portions of the side wall in the longitudinal direction, the connecting portion is formed by bending the outer wall portion in the width direction, the elastic arm is formed by bending the connecting portion in the longitudinal direction, and the beam portion is formed by extending the outer wall portion.

3. The receptacle connector of claim 2, wherein: the lateral wall is formed with the breach of stepping down in the position of connecting portion, connecting portion at least part is located in the breach of stepping down, crossbeam portion jumps along length direction the breach of stepping down, the free end of crossbeam portion buries underground in the lateral wall of the breach one end of stepping down on length direction.

4. The receptacle connector of claim 3, wherein: the beam portion and the connecting portion at least partially overlap in an up-down direction perpendicular to the longitudinal direction and the width direction.

5. The receptacle connector according to any one of claims 1 to 4, wherein: the beam portion is located below the connection portion in the up-down direction.

6. The receptacle connector of claim 1, wherein: the main part includes outer wall portion and armour portion, outer wall portion integrated into one piece combine in the length direction's of lateral wall both ends position, armour portion combine in the region except that socket terminal place region at length direction's both ends is followed to the lateral wall, the outer edge and the outer wall portion body coupling of grafting space are being kept away from to armour portion, along the up-down direction, the elastic arm is located the armour portion under except that the at least part of contact site outside, connecting portion are bent by armour portion along the up-down direction and are formed, the elastic arm is bent along length direction by connecting portion and is formed, the crossbeam portion by outer wall portion extends and forms.

7. The receptacle connector of claim 2, wherein: the main part still includes armor portion, armor portion combine in the region except that socket terminal place region at length direction's both ends is followed to the lateral wall, armor portion is keeping away from the outside edge and the outer wall portion body coupling in grafting space, along upper and lower direction, armor portion covers at least part except that the contact site of elastic arm.

8. The receptacle connector according to claim 6 or 7, wherein: the armor portion is formed with the lower surface, the lower surface in the outside position of keeping away from the grafting space through integrated into one piece combine in on the lateral wall, the lower surface is close to the inside part in grafting space and is unsettled form.

9. The receptacle connector according to claim 6 or 7, wherein: the armor portion is formed with the lower surface, along upper and lower direction, socket ontology corresponds the lower surface closes on the inside part in grafting space and is formed with logical groove, the lower surface closes on the inside part in grafting space and is located directly over logical groove, elastic arm and connecting portion are the wall hanging form and expose logical groove downwards.

10. The receptacle connector of claim 6, wherein: the connecting part is extended to form a lapping part, and the lapping part is movably supported above the beam part along the vertical direction.

11. The receptacle connector of claim 7, wherein: along upper and lower direction, the armor covers the at least part of connecting portion, be equipped with between armor and the elastic arm and reserve the clearance, be equipped with between armor and the connecting portion and reserve the clearance, the armor closes on the part that the inboard part in grafting space and armor close on the connecting portion and can follow upper and lower direction elastic deformation.

12. The receptacle connector according to claim 6 or 7, wherein: the socket body includes the diapire, along length direction in the both sides of diapire upwards extend two that form the lateral wall, along width direction in the both sides of diapire upwards extend two end walls that form and upwards extend the island wall that forms by the intermediate position of diapire, the diapire, two the lateral wall, two the end wall and island wall enclose jointly and define the formation and form annularly peg graft the space, the main part still includes an organic whole and connect the end wall protection part of armor portion, the end wall protection part combine in the upper surface of end wall, a lateral margin downwardly extending that the end wall protection part is close to the grafting space is formed with the inboard protection part of end wall that combines in the inboard surface of end wall, the inboard protection part of end wall and/or the lower lateral margin of outer wall portion further extends to form and corresponds the welding foot that combines to butt joint electric connection board.