Socket connector
By introducing structures such as lugs, card firmware and limiting slots into the socket connector, limiting the displacement of pins and plug-ins, the problems of loose socket connectors and unstable signals in the prior art are solved, and more stable electrical power is achieved Sexual connection.
Patent Information
- Application Number
- CN202420762636.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-12
AI Technical Summary
During the frequent plug-in and unplugging of existing socket connectors, there is a lack of limit structure between the elastic terminal and the insulating body, resulting in loosening and unstable signal transmission.
A socket connector including a housing, a cover, a center terminal, a first terminal and a second terminal is designed to limit the displacement of the pins and plugs through structures such as lugs, a card firmware, a limiting slot and a snap block. , ensure that the terminal is firmly assembled on the insulating body.
It effectively improves the transmission stability of the socket connector and the docking plug, preventing loosening and signal interference caused by frequent plug-ins and unplugging.
Smart Images
Figure CN222320584U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a socket connector, in particular to a socket connector capable of improving transmission stability. Background Art
[0002] Socket connectors are widely used in electronic devices such as audio, mobile phones and notebook computers. The purpose of mutual transmission of power or signals is achieved by plugging a docking plug of an electronic peripheral device into the socket connector on the electronic device.
[0003] For example, Taiwan Patent No. M430754 discloses a power socket, which includes an insulating body, a central terminal and an elastic terminal installed inside the insulating body. A plug-in hole is provided at one end of the insulating body, and a guide hole and a slot connected to the plug-in hole are provided at the other end of the insulating body. An annular clamping portion protrudes inward from the hole wall of the guide hole, and a clamping groove is provided on two opposite groove walls of the slot. The central terminal is provided with a first connecting portion accommodated in the guide hole, and the first connecting portion is recessed with an annular groove, and the clamping portion is clamped in the groove to prevent the central terminal from withdrawing. The elastic terminal is provided with a second connecting portion accommodated in the slot, and a card disposed in the clamping slot is extended outward from both side edges of the second connecting portion. And a second contact portion is extended by bending from the side edge of the second connecting portion, and the second contact portion extends into the plug-in hole. However, in this structural design, there is no mutual limiting structure between the elastic terminal and the insulating body. Therefore, when a docking plug is frequently plugged in and out of the power socket, the elastic terminal is easily affected by the plug-in force and becomes loose and detached from the insulating body, thereby affecting the stability of signal transmission.
[0004] In view of the above shortcomings, it is necessary to provide a socket connector that can improve transmission stability. Summary of the invention
[0005] The purpose of the utility model is to provide a socket connector, and in particular to a socket connector capable of improving transmission stability.
[0006] In order to overcome the shortcomings of the prior art, the utility model discloses a socket connector, comprising a shell, the shell is provided with a first side wall and a second side wall opposite to each other, and a front wall and a rear wall opposite to each other, the front wall is recessed inwardly into a docking groove, the first side wall and the second side wall are respectively provided with a lug portion protruding outwardly, and the second side wall is provided with a limit groove recessed inwardly. A cover body, the cover body is provided on the rear wall of the shell, the rear surface of the cover body is recessed inwardly into a recessed groove, and the side wall of the cover body is provided with a clamping piece protruding outwardly. A center terminal, the front end of the center terminal is accommodated in the docking groove, and the rear end of the center terminal passes through the recessed groove. A first terminal, the front side edge of the first terminal protrudes a pin forward, the pin is clamped in the lug portion of the first side wall, the rear side edge of the first terminal is recessed forwardly into a clamping hole, the clamping hole is combined with the clamping piece, and the first terminal is provided with a contact spring accommodated in the shell. And a second terminal, a plug-in extends forward from the front side edge of the second terminal, the plug-in is locked in the lug portion of the second side wall, a snap block protrudes inward from the inner surface of the second terminal, the snap block is embedded in the limiting groove, and a contact plate extends vertically laterally from the rear side edge of the second terminal, the contact plate is accommodated in the recessed groove and is sleeved on the rear end of the center terminal.
[0007] Furthermore, an inwardly recessed alignment groove is provided at the junction line between the first side wall and the rear wall, and an alignment portion is provided on the front wall of the cover body. The alignment portion is embedded in the alignment groove, and the alignment groove corresponds to the fixing hole.
[0008] Furthermore, the first terminal includes a first assembly plate and a connecting plate extending vertically from the top edge of the first assembly plate to the side, the first assembly plate is arranged on the first side wall of the shell, the pins and the fixing holes are respectively arranged on the front side edge and the rear side edge of the first assembly plate, the connecting plate is accommodated in the shell, the contact spring extends backward and downward from the front side edge of the connecting plate, and the top surface of the connecting plate protrudes upward with a protrusion that presses against the inner surface of the shell, and at least one first pin extends from the bottom edge of the first assembly plate.
[0009] Furthermore, the second terminal includes a second assembly plate and the contact plate extending from the rear edge of the second assembly plate, the second assembly plate is arranged on the second side wall of the shell, the plug-in protrudes forward from the front edge of the second assembly plate, a barb protrudes upward from the upper edge of the plug-in, the barb abuts against the inner side wall of the lug portion of the second side wall, the snap block protrudes inward from the inner surface of the second assembly plate, and at least one second pin extends from the bottom edge of the second assembly plate.
[0010] Furthermore, the rear wall of the shell is recessed inwardly to form a mounting groove connected to the docking groove, the front surface of the cover body protrudes forward with at least one mounting piece and is assembled to the mounting groove, and the first side wall of the shell is provided with a groove connected to the mounting groove inwardly, the width of the groove is greater than the width of the mounting groove, and the connecting plate is accommodated in the groove, the protrusion is against the upper wall surface of the groove, and the contact spring is accommodated in the mounting groove.
[0011] Furthermore, the mounting member is provided with an upper mounting member and a lower mounting member, the rear end of the connecting plate of the first terminal is clamped between the upper mounting member and the upper wall surface of the groove, and the end of the contact spring of the first terminal abuts against the upper surface of the lower mounting member.
[0012] Furthermore, a supporting portion is protruded from the rear wall of the shell, and a supporting hole is provided on the front surface of the cover body which is recessed inwardly to be snap-fitted with the supporting portion, and an opening is formed inwardly through the supporting portion which is connected to the docking groove and has a smaller aperture than the docking groove, and one side of the opening is extended adjacent to the docking groove to form a fixing hole with a smaller aperture than the docking groove, and a through hole is recessed in the recessed groove which is connected to the supporting hole and has a smaller aperture than the supporting hole, and the contact plate is penetrated by a through hole aligned with the through hole.
[0013] Furthermore, the central terminal includes a plug-in portion accommodated in the docking groove, a fixing portion connected to the rear end of the plug-in portion, the fixing portion is engaged in the fixing hole and is blocked on one side of the opening, a connecting portion connected to the rear end of the fixing portion, the connecting portion is accommodated in the opening and passes through the through hole and the through hole, and a stop portion radially extended from the rear end of the connecting portion, the outer diameter of the stop portion is larger than the aperture of the through hole, and the stop portion is blocked on the outer surface of the contact plate.
[0014] Furthermore, the limiting groove is formed by being recessed inwardly at the junction of the second side wall and the rear wall, and a guide groove aligned with the limiting groove is provided on the side surface of the cover body.
[0015] Furthermore, the lug portion is provided with a through hole, and the pin and the plug-in unit are arranged in the through hole.
[0016] In summary, the socket connector of the utility model is arranged on a circuit board for docking with a docking plug. The pin is clamped on the lug portion of the first side wall, and the clamp is buckled in the clamping hole to limit the displacement of the first terminal. The plug is clamped on the lug portion of the second side wall, and the buckle block is buckled in the limit groove to limit the displacement of the second terminal. In this way, the first terminal and the second terminal can be firmly assembled on the insulating body, thereby improving the transmission stability of the socket connector and the docking plug of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional diagram of the socket connector of the utility model.
[0018] Figure 2 It is an exploded view of the socket connector of the utility model.
[0019] Figure 3 The socket connector of the utility model Figure 1 Cross-sectional view of line II in .
[0020] Figure 4 It is an exploded view of the insulating body of the socket connector of the present invention.
[0021] Figure 5 This is another exploded view of the insulating body of the socket connector of the present invention.
[0022] Figure 6 The insulating body of the socket connector of the utility model is Figure 5 Cross-sectional view along line II-II in FIG.
[0023] Figure 7 It is a three-dimensional diagram of the first terminal of the socket connector of the present invention.
[0024] Figure 8 It is a three-dimensional diagram of the second terminal of the socket connector of the present invention.
[0025] Fig. 9 It is a three-dimensional diagram of another embodiment of the socket connector of the present invention. DETAILED DESCRIPTION
[0026] In order to explain the technical content, structural features, achieved objectives and technical effects of the present invention in detail, embodiments are given below and described in detail with reference to the accompanying drawings.
[0027] See also Figures 1 to 3The utility model discloses a socket connector 100, which is arranged on a circuit board (not shown) and is used to dock with a docking plug (not shown). The socket connector 100 includes an insulating body 1, a limiting structure 16 arranged on the outer surface of the insulating body 1, a central terminal 2 accommodated in the insulating body 1, a first terminal 3 combined with the limiting structure 16 to be assembled to a side wall of the insulating body 1, and a second terminal 4 combined with the limiting structure 16 to be assembled to the other side wall of the insulating body 1. By fixing the bottom ends of the first terminal 3 and the second terminal 4 to the circuit board (not shown), and then plugging the docking plug (not shown) into the central terminal 2 to conduct the first terminal 3 and the second terminal 4, and by the limiting structure 16, the first terminal 3 and the second terminal 4 are firmly combined with the insulating body 1, so that the socket connector 100 of the utility model and the docking plug (not shown) can achieve stable electrical connection.
[0028] See also Figures 3 to 6 The insulating body 1 is composed of a cover body 11 and a shell 12 assembled with each other. The shell 12 is a rectangular body and includes a top wall 12a and a bottom wall 12b located at the upper and lower sides respectively, a first side wall 12c and a second side wall 12d located at the left and right sides respectively, and a front wall 12e and a rear wall 12f located at the front and rear ends respectively. The surface of the front wall 12e is provided with a docking groove 13 that is recessed inwardly, and the docking groove 13 is set in a cylindrical shape to accommodate the center terminal 2. In order to make the cover body 11 cover the rear wall 12f, the surface of the rear wall 12f is provided with a boss-shaped support portion 14, and the front end surface of the cover body 11 is provided with a support hole 111 that is recessed inwardly to be snap-fitted with the support portion 14. The rear wall 12f is provided with an inwardly recessed mounting groove 15, the mounting groove 15 is located above the upper end of the support portion 14 and the docking groove 13 and communicates with the docking groove 13, and the front surface of the cover body 11 is provided with at least one mounting member 115 protruding forward to be assembled with the mounting groove 15. The mounting member 115 includes an upper mounting member 1150 disposed at the upper part and a lower mounting member 1151 disposed at the lower part.
[0029] See also Figure 4 and Figure 5 The limiting structure 16 includes a lug portion 160 disposed on the surface of the first side wall 12c and the surface of the second side wall 12d and protruding outward, a through hole 161 penetrating the lug portion 160, a limiting groove 162 disposed on the boundary line between the second side wall 12d and the rear wall 12f and recessed inwardly, and a fixing portion 1141 disposed on the side of the cover body 11. An alignment groove 163 recessed inwardly is disposed on the boundary line between the first side wall 12c and the rear wall 12f.
[0030] See also Figure 4 , Figure 6 and Figure 7 The surface of the first side wall 12c is provided with a groove 17 extending inwardly, the groove 17 is connected to the top of the mounting groove 15, and the width of the groove 17 is greater than the width of the mounting groove 15. The first terminal 3 includes a first assembly plate 31, at least one first pin 311 extending downward from the bottom edge of the first assembly plate 31, a fastening hole 312 disposed at the rear side edge of the first assembly plate 31 and recessed forward, a pin 313 disposed at the front side edge of the first assembly plate 31 and protruding forward, a connecting plate 32 disposed at the top edge of the first assembly plate 31 and extending vertically in the lateral direction, a protrusion 321 disposed on the top surface of the connecting plate 32 and protruding upward, and a contact spring 33 extending from the front side edge of the connecting plate 32 to bend backward and downward. In order to firmly combine the first terminal 3 with the insulating body 1, the first assembly plate 31 is attached to the first side wall 12c, and the pin 313 is inserted into the through hole 161 to combine with the lug 160. Further, the clamping hole 312 is aligned with the alignment groove 163, and a clamping member 114 is protruded outwardly from the wall surface of the cover body 11. The clamping member 114 includes an alignment portion 1140 disposed on the front wall of the cover body 11 and a clamping portion 1141 disposed on the side of the cover body 11. The alignment portion 1140 is embedded in the alignment groove 163, and the clamping portion 1141 is embedded in the clamping hole 312. In this way, the displacement of the first terminal 3 in the up-down direction and the front-back direction can be limited. The connecting plate 32 is received in the groove 17 , the protrusion 3211 abuts against the upper wall of the groove 17 , and the contact spring 33 is received in the mounting groove 15 to be electrically connected with the docking plug (not shown).
[0031] See also Figure 2 , Figure 4 , Figure 6 as well as Figure 8The rear surface of the cover body 11 is provided with a recessed groove 112 recessed inwardly, and a through hole 112a aligned with and connected to the support hole 111 is provided in the recessed groove 112, and the aperture of the through hole 112a is smaller than the aperture of the support hole 111. The second terminal 4 comprises a second assembly plate 41, at least one second pin 411 disposed on the bottom edge of the second assembly plate 41 and extending downwardly, an insert 412 disposed on the front side edge of the second assembly plate 41 and extending forwardly, a barb 413 disposed on the upper side edge of the insert 412 and protruding upwardly, a buckle block 414 disposed on the inner surface of the second assembly plate 41 and protruding inwardly, a contact plate 42 extending vertically from the rear side edge of the second assembly plate 41 to the side, and a through hole 421 penetrating the contact plate 42 and aligned with the through hole 112a. In order to firmly combine the second terminal 4 with the insulating body 1, the second assembly plate 41 is attached to the second side wall 12d, and the buckle block 414 is buckled in the limiting groove 162, wherein the side of the cover body 11 is provided with a guide groove 116, the guide groove 116 is aligned in the front-to-back direction and connected to the limiting groove 162, and the guide groove 116 is connected to the recessed groove 112 backward. After the plug 412 is inserted into the through hole 161, the barb 413 abuts against the inner side wall of the lug portion 160 to prevent the second terminal 4 from being displaced. In this embodiment, the contact plate 42 is accommodated in the recessed groove 112, and the through hole 421 is sleeved on the rear end of the center terminal 2, so that the second terminal 4 is electrically connected to the center terminal 2.
[0032] See also Figure 7 and Figure 8 In a preferred embodiment shown in the figure, the first pin 311 and the second pin 411 are configured as vertical pins extending downward, and are fixed to the circuit board (not shown) by DIP socket welding. Fig. 9 In another preferred embodiment shown in the figure, the first pin 311 and the second pin 411 are configured as horizontal pins extending laterally, and are fixed to the circuit board (not shown) by SMT patch welding.
[0033] See also Figure 2 and Figure 6, the support portion 14 is provided with an opening 14a inwardly connected to the docking groove 13, the aperture of the docking groove 13 is larger than the aperture of the opening 14a, the opening 14a is aligned with the through hole 112a, and the opening 14a is extended adjacent to one side of the docking groove 13 to form a fixing hole 14b with an aperture smaller than that of the docking groove 13. In order to fix the center terminal 2, the center terminal 2 is provided with a plug-in portion 21 connected to the docking plug (not shown), a fixing portion 22 connected to the rear end of the plug-in portion 21, a connecting portion 23 connected to the rear end of the fixing portion 22, and a stopper portion 24 provided at the rear end of the connecting portion 23 and extending radially. The stopper portion 24 is elastic and can be deformed when squeezed. The plug-in portion 21 is received in the docking groove 13, the outer diameter of the fixing portion 22 is larger than the outer diameter of the plug-in portion 21 and the outer diameter of the connecting portion 23, the fixing portion 22 is engaged in the fixing hole 14b to be blocked on one side of the opening 14a, and the connecting portion 23 is received in the opening 14a and passes through the through hole 112a and the through hole 421. The outer diameter of the stopper 24 is larger than the aperture of the through hole 421, so that the stopper 24 is blocked on the outer surface of the contact plate 42, so that the central terminal 2 can be prevented from axial displacement inside the insulating body 1.
[0034] When the socket connector 100 of the utility model is assembled, the center terminal 2 is inserted into the docking groove 13 from the front wall 12e of the housing 12, the first terminal 3 is inserted into the mounting groove 15 from the rear wall 12f of the housing 12, the cover 11 is assembled to the rear wall 12f of the housing 12, and the second terminal 4 is assembled to the cover 11 and the housing 12. The buckle block 414 is buckled in the limiting groove 162 by the guidance of the guide groove 116. The rear end of the connecting plate 32 of the first terminal 3 is clamped between the upper mounting piece 1150 and the upper wall surface of the groove 17. The end of the contact spring 33 of the first terminal 3 abuts against the upper surface of the lower mounting piece 1151.
[0035] In summary, the socket connector 100 of the present invention is disposed on the circuit board (not shown) for docking with the docking plug (not shown). In order to limit the displacement of the first terminal 3, the pin 313 is clamped on the lug portion 160 of the first side wall 12c, and the clamping portion 1141 of the clamping member 114 is buckled in the clamping hole 312. And in order to limit the displacement of the second terminal 4, the plug 412 is clamped on the lug portion 160 of the second side wall 12d, and the buckle block 414 is buckled in the limiting groove 162. In this way, the first terminal 3 and the second terminal 4 can be firmly assembled on the insulating body 1, thereby improving the signal transmission stability of the socket connector 100 of the present invention and the docking plug (not shown).
Claims
1. A socket connector, characterized in that: The cover is provided on the rear wall of the housing, the rear surface of the cover is recessed inwardly by a recessed groove, and the side wall of the cover is provided with a clamping piece protruding outwardly; a central terminal, the front end of the central terminal is accommodated in the docking groove, and the rear end of the central terminal passes through the recessed groove; a first terminal, the front side edge of the first terminal protrudes a pin forward, the pin is engaged with the lug portion of the first side wall, the rear side edge of the first terminal is recessed forwardly by a clamping hole, the clamping hole is combined with the clamping piece, and the first terminal is provided with a contact spring accommodated in the housing; And a second terminal, a plug-in extends forward from the front side edge of the second terminal, the plug-in is locked in the lug portion of the second side wall, a snap block protrudes inward from the inner surface of the second terminal, the snap block is embedded in the limiting groove, and a contact plate extends vertically laterally from the rear side edge of the second terminal, the contact plate is accommodated in the recessed groove and is sleeved on the rear end of the center terminal.
2. The socket connector according to claim 1, characterized in that An inwardly recessed alignment groove is provided at the junction line between the first side wall and the rear wall, and an alignment portion is provided on the front wall of the cover body, the alignment portion is embedded in the alignment groove, and the alignment groove corresponds to the fixing hole.
3. The socket connector according to claim 1, characterized in that The first terminal comprises a first assembly plate and a connecting plate extending vertically from the top edge of the first assembly plate to the side, the first assembly plate is arranged on the first side wall of the shell, the pins and the fixing holes are respectively arranged on the front side edge and the rear side edge of the first assembly plate, the connecting plate is accommodated in the shell, the contact spring extends backward and downward from the front side edge of the connecting plate, and a protrusion protrudes upward from the top surface of the connecting plate to press against the inner surface of the shell, and at least one first pin extends from the bottom edge of the first assembly plate.
4. The socket connector according to claim 1, characterized in that The second terminal comprises a second assembly plate and the contact plate extending from the rear edge of the second assembly plate, the second assembly plate is arranged on the second side wall of the shell, the plug-in protrudes forward from the front edge of the second assembly plate, a barb protrudes upward from the upper edge of the plug-in, the barb abuts against the inner side wall of the lug portion of the second side wall, the buckle block protrudes inward from the inner surface of the second assembly plate, and at least one second pin extends from the bottom edge of the second assembly plate.
5. The socket connector according to claim 3, characterized in that The rear wall of the shell is recessed inwardly to form a mounting groove connected to the docking groove, the front surface of the cover body protrudes forward with at least one mounting piece and is assembled to the mounting groove, and the first side wall of the shell is provided with a groove connected to the mounting groove inwardly, the width of the groove is greater than the width of the mounting groove, and the connecting plate is accommodated in the groove, the protrusion is against the upper wall of the groove, and the contact spring is accommodated in the mounting groove.
6. The socket connector according to claim 5, characterized in that The mounting member is provided with an upper mounting member and a lower mounting member, the rear end of the connecting plate of the first terminal is clamped between the upper mounting member and the upper wall surface of the groove, and the end of the contact spring of the first terminal is against the upper surface of the lower mounting member.
7. The socket connector according to claim 1, characterized in that : A supporting portion protrudes from the rear wall of the shell, and a supporting hole recessed inwardly to be snap-fitted with the supporting portion is provided on the front surface of the cover body, an opening hole connected to the docking groove and having a smaller aperture than the docking groove is penetrated inwardly from the supporting portion, and the opening hole is extended on one side adjacent to the docking groove to form a fixing hole with a smaller aperture than the docking groove, and a through hole connected to the supporting hole and having a smaller aperture than the supporting hole is recessed in the recessed groove, and a through hole aligned with the through hole is penetrated by the contact plate.
8. The socket connector according to claim 7, characterized in that The central terminal comprises a plug-in portion received in the docking groove, a fixing portion connected to the rear end of the plug-in portion, the fixing portion being engaged in the fixing hole and being blocked on one side of the opening, a connecting portion connected to the rear end of the fixing portion, the connecting portion being received in the opening and passing through the through hole and the through hole, and a stopping portion radially extending from the rear end of the connecting portion, the outer diameter of the stopping portion being larger than the aperture of the through hole, and the stopping portion being blocked on the outer surface of the contact plate.
9. The socket connector according to claim 1, characterized in that The limiting groove is formed by being recessed inwardly at the junction of the second side wall and the rear wall, and a guide groove aligned with the limiting groove is provided on the side of the cover body.
10. The socket connector according to claim 1, characterized in that The lug portion is provided with a through hole, and the pin and the plug-in are arranged in the through hole.