A new type of connector and a locking card
By adopting the front-rear contact method and F-type structure of the upper and lower terminals in the electrical connector, combined with the pre-pressure-free design and the double-fixed lock card, the problems of high-frequency signal transmission and insufficient lock card strength of the existing electrical connectors are solved, and signal integrity and reliability of the lock card are improved.
Patent Information
- Application Number
- CN202010950993.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-09-11
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2040-09-11
AI Technical Summary
Existing electrical connectors are difficult to achieve high-frequency signal transmission, and the strength and reliability of the lock card are insufficient.
The front and rear contact method of the upper and lower terminals is adopted, and the F-type structure is designed, and the pre-pressure-free structure is adopted to shorten the terminal head length. At the same time, the lock card with a double-fixed structure is used to enhance the strength and reliability of the connector.
Improve signal integrity performance, such as characteristic impedance, insertion loss and return loss, while improving the strength and assembly convenience of the lock card, avoiding the problem of lock card deformation.
Smart Images

Figure CN112086787B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of connectors, in particular to a new type of connector and a locking card for locking the connector. Background Art
[0002] Connectors generally include interface connectors or internal connectors used for digital devices or PCs. The connector includes several signal terminals and several ground terminals.
[0003] Chinese Patent No. CN205944552U discloses an electrical connector, which includes upper and lower terminal modules. The upper terminal module includes an upper ceramic plate and an upper row of terminals fixed to the upper ceramic plate. The lower terminal module includes a lower ceramic plate and a lower row of terminals fixed to the lower ceramic plate. The upper ceramic plate, the metal locking plate and the lower ceramic plate are bonded together by epoxy resin. Although this prior case can effectively avoid the risk of melting plastic by conductive terminals at high temperatures, it cannot achieve the function of high-frequency signal transmission.
[0004] Based on the above-mentioned prior art, it is necessary to improve the existing electrical connector. Summary of the Invention
[0005] In view of the deficiencies of the prior art, the present invention provides a new type of connector and a locking card. The connector can improve SI performance, such as characteristic impedance, insertion loss, and return loss. And the locking card can strengthen the strength and reliability of the locking card on the connector body by adopting a double-fixed part structure.
[0006] The technical solution of the present invention is: a new type of connector, including a HSG body and a plurality of upper row terminals and a plurality of lower row terminals arranged in the HSG body and cooperating with each other. The contact points of the upper row terminals and the lower row terminals are arranged in a front-back contact manner to achieve 25-degree oblique insertion and extraction.
[0007] Preferably, both the upper row terminals and the lower row terminals include corresponding first holding parts and second holding parts.
[0008] Preferably, both the upper row terminals and the lower row terminals are of F-type structure.
[0009] Preferably, a plurality of through slots are provided on the first holding part.
[0010] Preferably, the second holding part is of a convex structure.
[0011] Preferably, the HSG body is provided with bumps for cooperating with the slots of the first holding part and grooves for cooperating with the convex parts of the second holding part.
[0012] Preferably, the contact points of the upper row terminals and the lower row terminals are of a non-pre-pressed structure, so as to shorten the length of the terminal head and improve the SI performance.
[0013] Preferably, the present invention also provides a locking card, which is inserted into the HSG body and welded to the PCB board.
[0014] Preferably, the locking card includes a locking card body, and the locking card body includes a first connecting portion, a second connecting portion, a third connecting portion for connecting with a connector, a third connecting portion for connecting with a tape, and a fourth connecting portion for connecting with a PCB board, which are integrally formed.
[0015] Preferably, the first connecting portion is arranged above the second connecting portion, and the length of the first connecting portion is greater than that of the upper part of the second connecting portion.
[0016] Preferably, a notch is arranged on the first connecting portion, and an anti-retreat block is arranged in the notch. The anti-retreat block is arranged on the inner side wall of the notch and extends towards the other side wall.
[0017] Preferably, the third connecting portion includes a connecting arm, and a first clamping portion, a second clamping portion, and a third clamping portion arranged on the connecting arm. The connecting arm is integrally formed with the first connecting portion;
[0018] The first clamping portion, the second clamping portion, and the third clamping portion are all bent towards one side of the connecting arm.
[0019] Preferably, a reinforcing rib is further arranged along the length direction of the connecting portion, and the reinforcing rib is of a convex structure.
[0020] Preferably, the fourth connecting portion is integrally formed with the second connecting portion, and the fourth connecting portion and the second connecting portion are integrally formed with the connecting arm through a connecting member.
[0021] Preferably, the fourth connecting portion includes a connecting plate, and a welding portion arranged on the connecting plate. The welding portion and the connecting plate are in an L shape, and a notch is further opened on the welding portion.
[0022] Preferably, a U-shaped stopping portion is further arranged on one side of the connecting plate. The stopping portion is used to prevent the connecting arm from being displaced too far in the direction of the locking card and causing deformation.
[0023] The beneficial effects of the present invention are as follows:
[0024] 1. The upper row terminals and the lower row terminals of the present invention adopt blanking terminals, with stable dimensions and a small dimensional tolerance range, which is beneficial to improving the yield rate and reliability of the product;
[0025] 2. The upper and lower row terminal contact points of the present invention adopt front and rear contact, enabling 25-degree diagonal insertion and extraction, which is beneficial to the actual application of customers.
[0026] 3. The upper and lower row terminals of the present invention both adopt the F structure, and the second holding part adopts a convex structure, which can effectively reduce the influence brought by the second holding part and improve SI performance, such as characteristic impedance, insertion loss, and return loss.
[0027] 4. The heads of the upper and lower row terminals of the present invention are of a non-pre-pressed structure, which can shorten the length of the terminal heads and improve SI performance, such as characteristic impedance, insertion loss, and return loss.
[0028] 5. The lock card of the present invention is connected to the connector through the first connecting part and the second connecting part. By adopting a double-fixed part structure, the strength and reliability of the lock card on the connector body can be enhanced.
[0029] 6. The first connecting part and the third connecting part of the lock card of the present invention are on the same plane, which is beneficial to stamping and assembly.
[0030] 7. The lengths of the first connecting part and the second connecting part of the present invention are different. Without affecting the holding strength, the assembly difficulty can be effectively reduced.
[0031] 8. The lock card of the present invention is provided with a stop part on the solder foot, thus avoiding the problem of excessive displacement distance of the lock card force arm and deformation in the direction of taking the lock card. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] Figure 1 is a schematic structural diagram of the present invention;
[0033] Figure 2 is a schematic structural diagram of the connector of the present invention;
[0034] Figure 3 is a schematic structural diagram of the terminal layout of the present invention;
[0035] Figure 4 is a schematic structural diagram of the upper row terminal of the present invention;
[0036] Figure 5 is a schematic structural diagram of the lower row terminal of the present invention;
[0037] Figure 6 is a schematic structural diagram of the lock card of the present invention;
[0038] Figure 7 is a schematic structural diagram of the other side of the lock card of the present invention;
[0039] In the figure, 1 is the HSG body, 2 is the upper row terminal, 3 is the lower row terminal, 4 is the contact end, 5 is the first holding part, 6 is the second holding part, and 7 is the card slot.
[0040] 10 - First connecting part, 11 - Second connecting part, 12 - Third connecting part, 13 - Fourth connecting part, 14 - Notch, 15 - Anti - withdrawal block, 16 - Connecting arm, 17 - First clamping part, 18 - Second clamping part, 19 - Third clamping part, 20 - Reinforcing rib, 21 - Connecting plate, 22 - Welding part, 23 - Stop part;
[0041] 100 - Connector, 200 - Locking card. Specific embodiments
[0042] The following further describes the specific embodiments of the present invention in conjunction with the accompanying drawings:
[0043] As Figure 1 shown, this embodiment provides a new type of connector and a locking card for locking the connector. The locking card 200 is inserted into the connector 100, and the locking card 200 is also welded to the PCB board.
[0044] As Figure 2 shown, the connector in this embodiment includes a HSG body 1 and a plurality of upper row terminals 2 and a plurality of lower row terminals 3 that cooperate with each other and are arranged inside the HSG body 1. In this embodiment, the contact points 4 of the upper row terminals 2 and the lower row terminals 3 are arranged in a front - to - back contact manner to achieve 25 - degree oblique insertion and extraction. In this embodiment, both the upper row terminals 2 and the lower row terminals 3 are of F - type structure.
[0045] As Figures 3 - 5 shown, the contact points 4 of the upper row terminals 2 and the lower row terminals 3 in this embodiment are of a non - pre - pressed structure, so as to shorten the length of the terminal head and improve SI performance, such as characteristic impedance, insertion loss, and return loss.
[0046] Preferably, corresponding first holding parts 5 and second holding parts 6 are provided on the upper row terminals 2 and the lower row terminals 3 in this embodiment. A plurality of through slots 7 are provided on the first holding part 5 in this embodiment. And the second holding part 6 is of a convex - bump structure. Moreover, in this embodiment, a convex block for cooperating with the slot 7 of the first holding part 5 and a groove for cooperating with the convex bump of the second holding part 6 are provided inside the HSG body 1.
[0047] Preferably, as Figures 6 - 7 shown, this embodiment also provides a locking card. The locking card includes a locking - card body. The locking - card body includes an integrally formed first connecting part 10 and a second connecting part 11 for connecting with the connector 100, a third connecting part 12 for connecting with the tape, and a fourth connecting part 13 for connecting with the PCB board.
[0048] Preferably, in this embodiment, the first connecting portion 10 is disposed above the second connecting portion 11, and the length of the first connecting portion 10 is greater than that above the second connecting portion 11. And the first connecting portion 10 and the third connecting portion 12 are on the same plane.
[0049] Preferably, a notch 14 is provided on the first connecting portion 10 of this embodiment. An anti-withdrawal block 15 is provided in the notch 14. The anti-withdrawal block 15 is disposed on the inner side wall of the notch 14 and extends towards the other side wall, and is in contact connection with a stop block in the HSG body 1 through the anti-withdrawal block 15.
[0050] Preferably, the third connecting portion 12 includes a connecting arm 16, and a first clamping portion 17, a second clamping portion 18, and a third clamping portion 19 provided on the connecting arm 16. The connecting arm 16 and the first connecting portion 10 are integrally formed;
[0051] And in this embodiment, the first clamping portion 17, the second clamping portion 18, and the third clamping portion 19 of this embodiment are all bent towards the same side of the connecting arm 16. A reinforcing rib 20 is further provided on the connecting arm 16 along the length direction. The reinforcing rib 20 is a convex structure.
[0052] Preferably, the fourth connecting portion 13 and the second connecting portion 11 are integrally formed, and the fourth connecting portion 13 and the second connecting portion 11 are integrally formed with the connecting arm 16 through a connecting member.
[0053] Preferably, in this embodiment, the fourth connecting portion 13 includes a connecting plate 21, and a welding portion 22 provided on the connecting plate 21. The welding portion 22 and the connecting plate 21 are in an L shape, and a notch is further provided on the welding portion 22.
[0054] Preferably, a U-shaped stopping portion 23 is further provided on one side of the connecting plate 21. The stopping portion 23 is used to prevent the problem that the displacement distance of the connecting arm 16 in the locking direction is too large and causes deformation.
[0055] The above embodiments and the descriptions in the specification only illustrate the principles and the best embodiments of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.
Claims
1. A new type of connector, characterized in that: It includes an HSG body, and a plurality of upper row terminals and a plurality of lower row terminals that cooperate with each other and are arranged in the HSG body. The contact points of the upper row terminals and the lower row terminals are arranged in a front-to-back contact manner to achieve 25-degree oblique plugging and unplugging; The upper and lower row terminals are both F-shaped structures, and the contact points of the upper and lower row terminals are non-preloaded structures, thereby shortening the terminal head length and improving SI performance; The upper and lower row terminals are both provided with corresponding first and second retaining parts; the first retaining part is provided with a plurality of through-grooves; the second retaining part is a convex structure; the HSG body is provided with a convex block for cooperating with the groove of the first retaining part and a groove for cooperating with the convex of the second retaining part; The connector further includes a lock card, which is inserted into the HSG body and welded to the PCB board; The lock card includes a lock card body, the lock card body includes an integrally formed first connection portion and a second connection portion for connecting to the connector, a third connection portion for connecting to the material strip, and a fourth connection portion for connecting to the PCB board; The first connecting portion is arranged above the second connecting portion, and the length of the first connecting portion is greater than that above the second connecting portion, and the first connecting portion and the third connecting portion are in the same plane; The first connecting portion is provided with a notch, and an anti-recoil block is provided in the notch. The anti-recoil block is provided on the inner side wall of the notch and extends toward the other side wall. The third connecting portion includes a connecting arm, and a first clamping portion, a second clamping portion, and a third clamping portion provided on the connecting arm, wherein the connecting arm and the first connecting portion are integrally formed; The first clamping portion, the second clamping portion, and the third clamping portion are all bent toward one side of the connecting arm; A reinforcing rib is further provided on the connecting portion along the length direction, and the reinforcing rib is a convex structure.
2. A new type of connector according to claim 1, characterized in that: The fourth connecting portion and the second connecting portion are integrally formed, and the fourth connecting portion and the second connecting portion are integrally formed with the connecting arm via a connecting piece.
3. A new type of connector according to claim 2, characterized in that: The fourth connecting portion includes a connecting plate and a welding portion provided on the connecting plate, wherein the welding portion and the connecting plate are L-shaped, and a notch is further provided on the welding portion; A U-shaped stop portion is also provided on one side of the connecting plate, and the stop portion is used to prevent the connecting arm from being deformed due to excessive displacement in the locking direction.
Citation Information
Patent Citations
Electric connector
CN205944552U
Slot connector
CN103441360A
Terminal structure and connector
CN111293462A
Card edge connector
CN202363626U
Card edge connector
CN203326160U