High-speed connector with metal buckling elastic sheet

Abstract

The utility model provides a high-speed connector with a metal buckling elastic sheet, which comprises an insulating body provided with a lengthwise slot which is concavely arranged downwards from the top surface and is used for inserting an electronic module, a plurality of terminal slots are respectively arranged in lengthwise side walls at two sides of the slot, and tower parts are arranged at two ends of the insulating body; the ear clip is pivoted at the tower part at one end of the insulating body; the elastic metal locking and clamping piece is fixed in the tower part at the other end of the insulating body and is used for clamping the electronic module together with the ear clip, the elastic metal locking and clamping piece is provided with an elastic retaining part which is bent upwards, and the elastic retaining part is fixed in the tower part; the plurality of terminals are respectively accommodated in the corresponding terminal grooves in the two lengthwise side walls in a one-to-one correspondence manner, at least one part of the terminal grooves are internally provided with double-layer terminals, and the other terminal grooves are internally provided with single-layer terminals; according to the high-speed connector with the metal buckling elastic sheet, signal transmission channels can be increased, so that the signal transmission speed is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of connectors, and specifically relates to a high-speed connector with a metal snap-fit ​​spring. Background Technology

[0002] Chinese patent CN201620784467.4 discloses a card edge connector, which has an insulating body extending along a longitudinal direction X. The insulating body has a central slot for engaging an electronic card, and multiple terminals are provided on the insulating body for forming electrical contact with the electronic card. A first tower and a second tower protrude upwards from both ends of the insulating body along a vertical direction Y, the vertical direction Y being perpendicular to the longitudinal direction, and the first tower and the second tower are arranged opposite each other. A locking element is provided on the first tower, and a cap and a locking spring are provided on the second tower.

[0003] The locking spring is stamped from a metal plate and is located in the second tower section. The locking spring includes a base portion, with a guide portion extending outward from the upper part of the base portion. The base portion has a locking cavity located below the guide portion for locking the electronic card. A contact portion protrudes downward from the upper part of the base portion toward the locking cavity for locking the electronic card. A locking portion extends outward from the end of the contact portion, located below the guide portion. A stop portion is also provided in the middle of the bottom of the base portion. The stop portion bends outward, while the base portion tilts inward. When assembling the locking spring onto the insulating body, the deformation directions of the stop portion and the base portion are opposite. Therefore, when assembling the locking spring onto the insulating body, the locking spring is prone to damaging the insulating body.

[0004] Chinese patent CN202120455734.4 discloses a snap-fit ​​connector with a metal spring, including a longitudinally elongated insulating body with a central slot. The central slot has two rows of metal terminals installed, which are DIP or SMT packaged. Two towers protrude from both ends of the insulating body, one tower being pivotally connected to a locking element, and the other tower being fixed with a cap and having a metal spring installed inside.

[0005] The metal spring includes a retaining part, an anti-recoil part, and an elastic part. The elastic part extends upward from the upper end of the retaining part and bends in a direction away from the vertical centerline of the retaining part and towards the central slot. The anti-recoil part is located at the retaining part and bends in a direction away from the vertical centerline of the retaining part. The bending directions of the elastic part and the anti-recoil part are the same, and their deformation directions are the same when the metal spring is installed into the other tower section. Because both the elastic part and the anti-recoil part deform away from the central slot when the metal spring is assembled into the insulating body, the metal spring is prevented from damaging the plastic body. However, a cap needs to be added above the tower section where the metal spring is installed to work with the metal spring. Although the cap can guide the electronic card insertion and increase the strength of the tower section, it increases the cost.

[0006] Furthermore, both types of edge connectors described above have a row of terminals on each of the two side walls on either side of the central slot. The number of terminals cannot be increased, thus limiting the number of signal transmission channels and preventing a significant improvement in signal transmission speed. Therefore, improvements are needed. Utility Model Content

[0007] The purpose of this invention is to provide a high-speed connector with a metal snap-fit ​​spring to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the technical solution used in this utility model is as follows:

[0009] A high-speed connector with a metal snap-fit ​​spring includes: an insulating body having a longitudinally elongated slot recessed from top to bottom for inserting an electronic module, with multiple terminal slots respectively provided in the longitudinally elongated sidewalls on both sides of the slot, and tower portions provided at both ends of the insulating body.

[0010] One ear loop is pivotally connected to the tower section at one end of the insulating body;

[0011] An elastic metal locking clip is fixed inside the tower section at the other end of the insulating body to lock the electronic module together with the ear clip. The elastic metal locking clip has an upwardly bent elastic anti-reverse part, which is fastened inside the tower section.

[0012] Multiple terminals are respectively housed in corresponding terminal slots within the two longitudinal side walls. At least a portion of the terminal slots are equipped with double-layer terminals, while the remaining terminal slots are equipped with single-layer terminals.

[0013] Furthermore, the slot is provided with a foolproof part connected between the two longitudinal side walls, the elastic metal lock is provided at the tower part away from the foolproof part, and the ear buckle is provided at the tower part close to the foolproof part.

[0014] Furthermore, the tower portion of the elastic metal lock has a slot facing the slot, and the upper parts of the two side walls of the slot parallel to the slot are connected as one unit by a connecting part. The upper end of the elastic metal lock is located below the connecting part, and the slot wall perpendicular to the slot is provided with a fixing structure. The elastic anti-reverse part bends toward the fixing structure and fastens to the fixing structure.

[0015] Furthermore, the fixing structure is a boss protruding from the groove wall surface of the vertical slot of the card slot. The elastic metal lock includes a main body and a snap-on spring extending upward from the upper end of the main body. The main body has snap points protruding on both sides that interfere with and fix the tower part. The upper end of the snap-on spring is located below the connecting part. The snap-on spring has a snap-on hole. The lower edge of the snap-on hole is connected to the elastic anti-reverse part extending upward and away from the main body. The elastic anti-reverse part has a snap hole that snaps onto the boss.

[0016] Furthermore, it also includes multiple plugs, which are inserted and fixed into the corresponding terminal slots one by one; in the position of double-layer terminals, the two terminals in each terminal slot are embedded together with the plug in the terminal slot; in the position of single-layer terminals, one terminal in each terminal slot is embedded together with the plug in the terminal slot.

[0017] Furthermore, the plugs embedded together with the two terminals and the plugs embedded together with one terminal have the same structure and size, and the terminal slots that accommodate each plug have the same structure and size.

[0018] Furthermore, the double-layer terminal includes a lower layer terminal and an upper layer terminal, and the single-layer terminals in the remaining terminal slots are flush with the lower layer terminal, or the single-layer terminals in the remaining terminal slots are flush with the upper layer terminal.

[0019] Furthermore, each of the upper and lower terminals includes a fixing part, which is embedded and formed together with the plug. The fixing part extends upward to form an arm that extends out of the top of the plug. The end of the arm is bent toward the slot side to form a contact part. The lower end of the fixing part is connected to a welding part.

[0020] Furthermore, the plug includes a motherboard body, the top of the motherboard body protruding to form a protrusion on the side away from the slot, the arm of the lower terminal protruding from the top of the motherboard body below the protrusion, and the arm of the upper terminal protruding from the top of the protrusion.

[0021] Furthermore, the plug formed with the one terminal is also formed with two metal retainers, which are located on both sides of the one terminal; the plug formed with the two terminals is also formed with one metal retainer, which is located inside the lower terminal; each metal retainer has a metal locking point protruding from the side of the plug and locking onto the inner wall of the terminal groove.

[0022] Compared with the prior art, the advantages of this utility model are mainly reflected in the following aspects: The elastic anti-reverse portion bends upwards, allowing for a longer length and better elasticity, thus preventing damage to the insulating body during assembly; the upper parts of the side walls on both sides of the slot are connected as one unit by a connecting portion, and the elastic anti-reverse portion's locking mechanism allows for a shorter and stronger connecting portion, increasing the strength of the tower without the need for an additional cap, thus reducing costs; by embedding the terminal and plug together, the plug is fixed in the terminal slot using a plug-in method, reducing assembly error rates; by setting double-layer terminals in some terminal slots, the number of terminals is increased within the same structural space, thus increasing the signal transmission channels and significantly improving signal transmission speed; the metal retainer increases the firmness of the plug fixed in the terminal slot. Attached Figure Description

[0023] Figure 1 This is an exploded perspective view of the high-speed connector and electronic module with metal snap-fit ​​springs of this utility model.

[0024] Figure 2 A perspective view of a high-speed connector with metal snap-fit ​​springs;

[0025] Figure 3 A three-dimensional view of the insulating body;

[0026] Figure 4 Cross-section of the insulating body Figure 1 The cutting position is at the center of the slot;

[0027] Figure 5 Cross-section of the insulating body Figure 2 The cutting position is between the sidewall of the through groove and the sidewall of the recess;

[0028] Figure 6 Cross-section of a high-speed connector with metal snap-fit ​​springs Figure 1 The cutting position is at the center of the slot;

[0029] Figure 7 Cross-section of a high-speed connector with metal snap-fit ​​springs Figure 1 The cutting position is between the sidewall of the through groove and the sidewall of the recess;

[0030] Figure 8 This is a partial schematic diagram of the insulating body at the end where the elastic metal locking clip is installed. Figure 1 ;

[0031] Figure 9 This is a partial schematic diagram of the insulating body at the end where the elastic metal locking clip is installed. Figure 2 ;

[0032] Figure 10 A three-dimensional view of a flexible metal lock clip;

[0033] Figure 11 A three-dimensional view of the plug;

[0034] Figure 12 A perspective view of the terminals and plugs;

[0035] Figure 13 A perspective view of a double-layer terminal and a metal retainer;

[0036] Figure 14 A perspective view of a single-layer terminal and two metal retainers;

[0037] Figure 15 A front view of the combination of double-layer terminals, plugs, and metal retainers;

[0038] Figure 16A cross-sectional view showing the combination of a single-layer terminal and an insulating body;

[0039] Figure 17 This is a cross-sectional view showing the combination of double-layer terminals and the insulating body.

[0040] Reference numerals: Insulating body 1, Slot 11, Longitudinal side wall 12, Tower 13, Terminal slot 14, Anti-foolproof part 15, Card slot 16, Fixing structure 17, Connecting part 18, Groove 19, Through slot 1a, Terminal 2, Fixing part 21, Arm 22, Contact part 23, Welding part 24, Plug 3, Main body 31, Opening 311, Protrusion 32, Ear buckle 4, Elastic metal lock 5, Main body 51, Clip spring 52, Clip hole 53, Elastic anti-reverse part 54, Card hole 541, Locking point 55, Metal retainer 6, Metal locking point 61, Electronic module 7, Iron foot 8. Detailed Implementation

[0041] To facilitate a better understanding of the purpose, structure, features, and effects of this utility model, the present utility model will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0042] like Figure 1-17 As shown, the high-speed connector with metal snap-fit ​​spring includes an insulating body 1, a plurality of terminals 2 and a plurality of plugs 3 housed within the insulating body 1, an ear clip 4, a resilient metal locking clip 5, and a plurality of metal retainers 6.

[0043] The top surface of the insulating body 1 has a recessed center along its longitudinal direction to form a longitudinal slot 11. Longitudinal sidewalls 12 are arranged along the length of the slot 11 on both sides. A tower portion 13 is provided at each end of the longitudinal direction of the insulating body 1. Multiple terminal slots 14 are provided on each of the longitudinal sidewalls 12 on both sides of the slot 11. The size and structure of each terminal slot 14 are identical, ensuring that the terminal slot inserts used to form the plastic mold of the insulating body 1 are uniform, reducing the probability of errors during mold assembly. The terminal slots 14 penetrate the top and bottom surfaces of the insulating body 1, and also penetrate the slot-facing surfaces of the longitudinal sidewalls 12. A foolproof part 15 is provided inside the slot 11, connecting the two longitudinal sidewalls 12. The foolproof part 15 divides the slot 11 into slot one and slot two, which is shorter than slot one. The foolproof part 15 is used to prevent the electronic module 6 from being inserted incorrectly.

[0044] The insulating body 1 has a latch receiving space in the tower portion 13 near the foolproof part 15, which communicates with the slot 11. The tower portion 13 has a pivot part for pivotally connecting the latch, and the latch 4 is disposed in the latch receiving space and pivotally connected to the pivot part. A metal locking structure 5 is provided in the tower portion 13 away from the foolproof part 15. Using a single-sided latch saves space occupied by opening the latch. The latch 4 and the metal locking structure 5 are fastened and fixed to both sides of the electronic module 7 inserted into the slot 11 to secure the electronic module 7. A slot 16 is formed on the slot-facing surface of the tower portion 13 where the elastic metal locking element 5 is located. The slot 16 communicates with the slot 11, and a fixing structure 17 is provided on the groove wall of the slot 16 perpendicular to the slot 11. The fixing structure 17 is a protrusion formed from the surface of the groove wall of the slot 11 perpendicular to the slot 11. A connecting portion 18 connects the upper parts of the two side walls of the slot 16 parallel to the slot 11, and the two side walls are connected as one unit through the connecting portion 18. The top surface of the connecting portion 18 is flush with the top surface of the tower portion 13 on which the elastic metal lock 5 is installed. The top surface of the tower portion 13 on which the elastic metal lock 5 is installed is recessed downward on the rear side of the connecting portion 18 to form a groove 19, which communicates with the slot 16. The groove wall of the vertical slot 11 has a through groove 1a above the fixing structure 17, which connects the groove 19 and the slot 16. The bottom wall of the groove 19 is flush with the top wall of the fixing structure 17 and is connected as one unit.

[0045] The bottom of each of the two tower sections of the insulating body 1 is fixed with an iron foot 8 for connecting to the circuit board to fix the insulating body 1 to the circuit board.

[0046] The elastic metal locking element 5 includes a main body 51 and a snap-fit ​​spring 52 extending upward from the upper end of the main body 51. The main body 51 is fixed inside the tower portion 13. The upper end of the snap-fit ​​spring 52 is located below the connecting portion 18. The snap-fit ​​spring 52 has a snap-fit ​​hole 53. The lower edge of the snap-fit ​​hole 53 is connected to an elastic stop portion 54 that bends upward and extends away from the main body 51. The elastic stop portion 54 bends toward the fixing structure 17. The elastic stop portion 54 has a snap-fit ​​hole 541 on the snap-fit ​​boss, so that the elastic stop portion 54 is snapped and fixed to the fixing structure 17 inside the tower portion 13. The snap-fit ​​points 55 protruding on both sides of the main body 51 interfere with and are fixed to the tower portion 13.

[0047] The plurality of terminals 2 are respectively housed in corresponding terminal slots 14 within the two longitudinal sidewalls 12. Some terminals 2 within each longitudinal sidewall 12 are configured as double-layer terminals, meaning that at least a portion of the terminal slots 14 contain double-layer terminals (this can be a single terminal slot 14 on one or two longitudinal sidewalls 12, or multiple spaced terminal slots 14 on one or two longitudinal sidewalls 12 containing double-layer terminals), while the remaining terminal slots 14 contain single-layer terminals. The double-layer terminals include a lower terminal and an upper terminal, and the single-layer terminals in the remaining terminal slots 14 are flush with the lower terminal, forming a row. When the single-layer terminals in the remaining terminal slots 14 are flush with the lower terminal of the double-layer terminals, the structure of the single-layer terminals in the remaining terminal slots 14 is the same as the lower terminal of the double-layer terminals, but the structure of the single-layer terminals in the remaining terminal slots 14 is different from the structure of the upper terminal of the double-layer terminals. Each of the upper and lower terminals includes a fixing portion 21, which extends upward to form an arm 22. The end of the arm 22 bends towards the slot 11 to form a contact portion 23. A welding portion 24 is connected to the lower end of the fixing portion 21. The contact portions 23 of the upper and lower terminals face the same direction, and the contact portion 23 of the upper terminal is higher than that of the lower terminal. The welding portion 24 of the upper and lower terminals is flush with the welding portion 24 of the lower terminal. The welding portion 24 of the upper terminal of the double-layer terminal faces the same direction as the welding portion 24 of the lower terminal of the double-layer terminal (both facing outwards). Since the single-layer terminals in the other terminal slots 14 are flush with the lower terminals, the welding portions 24 of the single-layer terminals in the other terminal slots 14 face the same direction as the welding portion 24 of the lower terminal of the double-layer terminal (both facing outwards).

[0048] The plurality of plugs 3 are respectively inserted and fixed into the corresponding terminal slots 14, and the plugs 3 in each terminal slot 14 are embedded together with the terminals 2 in the terminal slot 14. In the position of double-layer terminals, there are two terminals 2 in each terminal slot 14, and the two terminals 2 in each terminal slot 14 are embedded together with the plugs 3 in the terminal slot 14. A metal retainer 6 is also embedded in the plugs 3 embedded with the two terminals, and the metal retainer 6 is located on the inner side of the lower terminal. In the position of single-layer terminals, there is only one terminal 2 in each terminal slot 14, and the terminal 2 in each terminal slot 14 is embedded together with the plugs 3 in the terminal slot 14. Two metal retainers 6 are also embedded in the plugs 3 embedded with the terminal, and the two metal retainers 6 are located on both sides of the terminal. Each metal retainer 6 has a metal locking point 61 protruding from the side of the plug 3 and locking onto the inner wall of the terminal slot 14. The plug 3 embedded in the two terminals 2 and the plug 3 embedded in one terminal 2 have the same structure and size. The terminal slot 14 that accommodates each plug 3 also has the same structure and size, making manufacturing more convenient and assembly simpler and faster.

[0049] The plug 3 includes a main board body 31, which is fixed to the terminal slot 14 by interference. The top of the main board body 31 protrudes to form a protrusion 32 on the side away from the slot 11. The main board body 31 has an opening 311, the design of which saves material. Each fixing part 21 is embedded and formed together with the main board body 31 of the plug 3, and each arm 22 extends out of the top of the plug 3. Specifically, the arm 22 of the lower terminal extends from the top of the main board body 31 below the protrusion 32, and the arm 22 of the upper terminal extends from the top of the protrusion 32.

[0050] Compared with the prior art, the main advantages of this utility model are as follows: By providing an upwardly bent elastic stop part 54 on the elastic metal lock clip 5, the elastic stop part 54 fastens the fixing structure 17 inside the tower part 13, and the locking point 55 of the main body part 51 also interferes with and is fixed to the tower part 13. At the same time as the locking point 55 of the main body part 51 interferes with and is fixed to the tower part 13, the elastic stop part 54 also fastens and fixes the fixing structure 17, making the installation of the elastic metal lock clip 5 more secure. Moreover, the elastic stop part 54 of the elastic metal lock clip 5 bends upward, and its length can be made longer, making its elasticity better. This way, the insulating body will not be damaged during assembly; on the side walls on both sides of the slot 16 The components are connected as one unit by a connecting part 18. The elastic anti-retraction part 54 fastens the fixing structure 17, which makes the connecting part 18 shorter and stronger. It can increase the strength of the tower without the need for an additional cap, thus reducing costs. By embedding the terminal 2 and the plug 3 together, the plug 3 is fixed in the terminal slot 14 by insertion, which can reduce the assembly error rate. By setting double-layer terminals in part of the terminal slot 14, the number of terminals is increased on the same structural space, thus increasing the signal transmission channel and greatly improving the signal transmission speed. The metal retainer 6 can increase the firmness of the plug 3 in the terminal slot 14.

[0051] In other embodiments, the single-layer terminals in the remaining terminal slots 14 are flush with the upper terminal, the remaining single-layer terminals have the same structure as the upper terminal of the double-layer terminals, and the single-layer terminals in the remaining terminal slots 14 have a different structure from the lower terminal of the double-layer terminals.

[0052] The present invention has been described above in conjunction with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, but should cover various modifications and equivalent combinations made in accordance with the essence of the present invention.

Claims

1. A high speed connector with metal latching spring, characterized in that, The utility model relates to an electronic module fixing device, including: An insulating body has a longitudinal slot for inserting an electronic module, a plurality of terminal grooves are arranged in the longitudinal side walls on both sides of the slot, and towers are arranged at both ends of the insulating body; An ear buckle is pivotally connected to the tower at one end of the insulating body; An elastic metal locking piece is fixed in the tower at the other end of the insulating body and is used for locking the electronic module together with the ear buckle, the elastic metal locking piece has an upwardly bent elastic stopper, and the elastic stopper is buckled in the tower; A plurality of terminals are respectively and correspondingly accommodated in the corresponding terminal grooves in the longitudinal side walls, at least a portion of the terminal grooves are provided with double-layer terminals, and the remaining terminal grooves are provided with single-layer terminals.

2. The high speed connector with metal latching spring according to claim 1, wherein: The slot is provided with an anti-stupidity part connected between the longitudinal side walls, the tower away from the anti-stupidity part is provided with the elastic metal locking piece, and the tower close to the anti-stupidity part is provided with the ear buckle.

3. The high speed connector with metal latching spring according to claim 2, wherein: The tower provided with the elastic metal locking piece is provided with a clamping groove on the slot side, the upper portions of the two side walls of the clamping groove parallel to the slot are connected into one by a connecting part, the upper end of the elastic metal locking piece is located below the connecting part, the slot wall of the clamping groove perpendicular to the slot is provided with a fixing structure, the elastic stopper is bent towards the fixing structure and buckled on the fixing structure.

4. The high speed connector with metal latching spring according to claim 3, wherein: The fixing structure is a boss protruding from the vertical slot wall surface of the clamping groove, the elastic metal locking piece includes a main body and a buckling clamping spring piece extending upward from the upper end of the main body, the main body is provided with clamping points protruding from both sides and interfering with the tower, the upper end of the buckling clamping spring piece is located below the connecting part, the buckling clamping spring piece is provided with a buckling clamping hole, the lower edge of the buckling clamping hole is connected with the elastic stopper extending upward and away from the main body, and the elastic stopper is provided with a clamping hole buckled on the boss.

5. The high speed connector with metal latching spring according to claim 1, wherein: Further including a plurality of plug pieces, which are respectively and correspondingly inserted and fixed in the corresponding terminal grooves; at the position of the double-layer terminals, the two terminals in each terminal groove are embeddedly formed together with the plug piece in the terminal groove; at the position of the single-layer terminals, one terminal in each terminal groove is embeddedly formed together with the plug piece in the terminal groove.

6. The high speed connector with metal latching spring according to claim 5, wherein: The plug piece embeddedly formed together with the two terminals and the plug piece embeddedly formed together with one terminal are the same in structure and size, and the terminal grooves accommodating the plug pieces are the same in structure and size.

7. The high speed connector with metal latching spring according to claim 5, wherein: The double-layer terminals include lower-layer terminals and upper-layer terminals, the single-layer terminals in the remaining terminal grooves are flush with the lower-layer terminals, or the single-layer terminals in the remaining terminal grooves are flush with the upper-layer terminals.

8. The high speed connector with metal latching spring according to claim 7, wherein: Each of the upper-layer terminals and the lower-layer terminals includes a fixing part embeddedly formed together with the plug piece, the fixing part extends upward to form an arm part protruding out of the top of the plug piece, the end of the arm part is bent towards the slot side to form a contact part, and the lower end of the fixing part is connected with a welding part.

9. The high speed connector with metal latching spring according to claim 8, wherein: The plug piece includes a main plate body, the top of the main plate body protrudes to form a protruding part on the side away from the slot, the arm part of the lower-layer terminal protrudes from the top of the main plate body below the protruding part, and the arm part of the upper-layer terminal protrudes from the top of the protruding part.

10. The high speed connector with metal latching spring according to claim 5, wherein: The plug embedded with the one terminal is also embedded with two metal retainers, which are located on both sides of the one terminal; the plug embedded with the two terminals is also embedded with one metal retainer, which is located on the inner side of the lower terminal; each metal retainer has a metal clamping point protruding out of the side of the plug and clamping on the inner wall of the terminal groove.

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