Low-crosstalk slot connector

By designing a low-crosstalk slot connector with a floating bar structure, the problems of dust accumulation and crosstalk in memory slot connectors were solved, achieving stable electrical contact and high-quality transmission of high-frequency signals.

CN223871725UActive Publication Date: 2026-02-03GUANGZHOU HELIOWAY ENTERPRISES CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423191086.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-02-03
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing memory slot connectors are prone to dust accumulation, leading to poor contact, and also have serious crosstalk problems, affecting signal transmission quality.

Method used

A low-crosstalk slot connector was designed, which adopts a floating bar structure. The floating bar moves up and down in the slot by rotating the ear clip, realizing the insertion and removal of memory modules. The slot opening is closed to prevent dust accumulation, and a metal strip is connected to the grounding pin to form a negative ground to reduce crosstalk.

Benefits of technology

It effectively prevents dust accumulation, improves electrical contact stability, reduces crosstalk, and enhances the quality and integrity of high-frequency signals.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223871725U_ABST
    Figure CN223871725U_ABST
Patent Text Reader

Abstract

The utility model discloses a low crosstalk slot connector, comprising ear clips, a buoyancy lift strip and a slot body, two ends of the slot body are provided with protruding portions, the slot body is provided with a strip-shaped groove between the two protruding portions, the number of the ear clips is two, the two ear clips are respectively and rotatably arranged on the two protruding portions, and the buoyancy lift strip is arranged on the strip-shaped groove. The floating strip is arranged in the strip-shaped groove in an up-down floating mode, the two ends of the floating strip are inserted into the bottoms of the two lug buckles respectively, a grounding welding foot is arranged at the bottom of the slot body, and the top of the grounding welding foot is inserted into the bottom of the strip-shaped groove. The buoyancy lift strip comprises a metal strip and an insulating rubber layer wrapping the metal strip, and an exposing hole used for exposing the metal strip is formed in the position, corresponding to the grounding weld leg, of the insulating rubber layer. The technical scheme is used for solving the problems that an existing slot connector is prone to poor contact and crosstalk caused by dust accumulation.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of electronic device structure technology, specifically relating to a low crosstalk slot connector. Background Technology

[0002] Memory modules are an important computer component used for data storage. Due to the widespread use of computers, memory module testing is becoming increasingly common, necessitating frequent installation and removal of memory modules from the motherboard's memory slots. The memory slots have elastic latches on both sides that secure the memory module, fixing it firmly to the motherboard.

[0003] When installing a memory module, first open the latches at both ends of the memory slot outwards, then firmly insert the memory module into the slot until the latches return to their original position and lock the module in place. To remove the memory module, first open the latches outwards again; the memory module will then pop out of the slot. After removal, the memory slot opening is exposed, allowing dust to easily accumulate inside. This can affect the contact stability of the electrical terminals, and excessive dust can even cause the memory module to be unrecognized.

[0004] Meanwhile, existing slot connectors suffer from crosstalk issues. Crosstalk refers to the unwanted interference that occurs in a signal transmission system due to electromagnetic coupling or other reasons, causing a signal on one channel to interfere with other channels. Crosstalk is a particularly important issue for high-frequency applications, as it can lead to signal distortion or other performance degradation. Because existing slots have multiple densely packed electrical connection terminals, the crosstalk problem is quite pronounced. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a low crosstalk slot connector to solve the issues of poor contact and crosstalk caused by dust accumulation in existing slot connectors. This low crosstalk slot connector can reduce dust accumulation and reduce crosstalk.

[0006] This utility model discloses a low crosstalk slot connector, including ear clips, a floating bar, and a slot body. The slot body has protrusions at both ends, and a strip-shaped groove between the two protrusions. Two ear clips are rotatably mounted on the two protrusions and can rotate back and forth between a locked position and an unlocked position. The floating bar is vertically mounted in the strip-shaped groove, with its two ends inserted into the bottoms of the two ear clips. Multiple electrical connection terminals are provided on both side walls of the strip-shaped groove. A grounding solder pad is provided at the bottom of the slot body, and the top of the grounding solder pad is inserted into… At the bottom of the strip groove, the floating bar includes a metal strip and an insulating layer covering the metal strip. The insulating layer has an exposure hole corresponding to the position of the grounding solder foot to expose the metal strip. When the ear buckle is in the locked position, the ear buckle is perpendicular to the strip groove, the floating bar is located at the bottom of the strip groove, and the top end of the electrical connection terminal is exposed for electrical connection. The metal strip is electrically connected to the grounding solder foot through the exposure hole. When the ear buckle is rotated from the locked position to the unlocked position, the ear buckle rotates outward and drives the floating bar to rise to the top of the strip groove, and the floating bar closes the top opening of the strip groove.

[0007] Furthermore, the ear clip includes a strip-shaped portion, a top end, and a bottom hook. The top end is located at the top of the strip-shaped portion, and the bottom hook is located at the bottom of the strip-shaped portion. The strip-shaped portion is rotatably mounted on the protrusion, and the bottom hook is located in the strip-shaped groove. A strip-shaped hole is provided on the strip-shaped portion along the direction from the top end to the bottom hook. The two ends of the floating bar are respectively inserted into the strip-shaped holes of the two ear clips. When the ear clip rotates from the locked position to the unlocked position, the top end of the ear clip tilts away from the protrusion, and the bottom hook drives the floating bar to rise to the top of the strip-shaped groove.

[0008] Furthermore, a through groove is provided on the side of the protrusion opposite to the slot body, and the ear buckle is rotatably disposed in the through groove.

[0009] Furthermore, the side wall of the strip portion is provided with a locking block, and the side wall of the through groove is correspondingly provided with a locking slot. When the ear clip is in the locked position, the locking block is embedded in the locking slot.

[0010] Furthermore, the side wall of the strip-shaped portion is provided with a rotating shaft, and the side wall of the through groove is correspondingly provided with a rotating hole, and the rotating shaft is rotatably inserted into the rotating hole.

[0011] This low-crosstalk slot connector is used for mounting and securing memory modules (or other similar electrical connection structures). It features a floating bar whose position changes with the rotation of the latch. Specifically, when a memory module is inserted, its bottom end abuts against the floating bar, causing it to descend to the bottom of the slot. The floating bar then rotates the latch to the locked position, exposing the electrical connection terminals and connecting them to the memory module. When the memory module needs to be removed, pressing the top end of the latch tilts it away from the protrusion, leveraging this to raise the floating bar and dislodge the memory module from the slot. Simultaneously, the latch raises the floating bar to the top of the slot, sealing the top opening. This ensures the slot remains closed after the memory module is removed, effectively preventing dust accumulation and improving electrical contact stability.

[0012] Furthermore, the floating bar includes a metal strip and an insulating layer covering the metal strip. The insulating layer prevents electrical connection between the floating bar and the electrical connection terminals and the memory module. Simultaneously, when the memory module is inserted, the metal strip is electrically connected to the grounding solder joint through the exposed hole, thereby forming a grounding element between the different electrical connection terminals. This element is electrically connected to the system ground wire, forming a so-called "negative ground." This helps stabilize the circuit, effectively reduces crosstalk, and thus improves the quality and integrity of high-frequency signals. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a low crosstalk slot connector;

[0015] Figure 2 A schematic diagram showing the ear clip in the locked position;

[0016] Figure 3 A schematic diagram showing the ear clip in the unlocked position;

[0017] Figure 4 This is a cross-sectional schematic diagram of a low crosstalk slot connector;

[0018] Figure 5 This is a schematic diagram showing the connection between the grounding weld foot and the floating bar. Detailed Implementation

[0019] This utility model discloses a low crosstalk slot connector, which can reduce dust accumulation and reduce crosstalk.

[0020] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, what is described is only a part of the embodiments of this utility model, and not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0021] See Figures 1-5 As shown, this utility model discloses a low crosstalk slot connector, including ear clips 1, a floating bar 5, and a slot body 4. The slot body 4 has protrusions 2 at both ends and a strip-shaped groove 3 between the two protrusions 2. There are two ear clips 1, each rotatably mounted on one of the two protrusions 2, and each ear clip 1 can rotate back and forth between a locked position and an unlocked position. The floating bar 5 is vertically mounted in the strip-shaped groove 3, with both ends inserted into the bottom of the two ear clips 1. Multiple electrical connection terminals are provided on both side walls of the strip-shaped groove 3. A grounding solder foot 13 is provided at the bottom of the slot body 4, and the top of the grounding solder foot 13 is inserted into the strip-shaped groove 3. At the bottom of the groove 3, the floating bar 5 includes a metal bar 14 and an insulating layer 15 covering the metal bar 14. The insulating layer 15 has an exposure hole 16 at the position corresponding to the grounding solder foot 13 to expose the metal bar 14. When the ear buckle 1 is in the locked position, the ear buckle 1 is perpendicular to the groove 3, the floating bar 5 is located at the bottom of the groove 3, and the top of the electrical connection terminal is exposed for electrical connection. The metal bar 14 is electrically connected to the grounding solder foot 13 through the exposure hole 16. When the ear buckle 1 is rotated from the locked position to the unlocked position, the ear buckle 1 rotates outward and drives the floating bar 5 to rise to the top of the groove 3. The floating bar 5 closes the top opening of the groove 3.

[0022] The ear clip 1 includes a strip-shaped portion 9, a top end 7, and a bottom hook 12. The top end 7 is located at the top of the strip-shaped portion 9, and the bottom hook 12 is located at the bottom of the strip-shaped portion 9. The strip-shaped portion 9 is rotatably mounted on the protrusion 2, and the bottom hook 12 is located in the strip-shaped groove 3. A strip-shaped hole 8 is provided on the strip-shaped portion 9 along the direction from the top end 7 to the bottom hook 12. The two ends of the floating bar 5 are respectively inserted into the two strip-shaped holes 8 of the ear clip 1. When the ear clip 1 is rotated from the locked position to the unlocked position, the top end 7 of the ear clip 1 is tilted away from the protrusion 2, and the bottom hook 12 drives the floating bar 5 to rise to the top of the strip-shaped groove 3.

[0023] The protrusion 2 has a through groove 6 on the side opposite to the slot body 4, and the ear buckle 1 is rotatably disposed in the through groove 6.

[0024] The side wall of the strip 9 is provided with a locking block 10, and the side wall of the through groove 6 is provided with a corresponding locking groove. When the ear buckle 1 is in the locked position, the locking block 10 is embedded in the locking groove.

[0025] The side wall of the strip-shaped part 9 is provided with a rotating shaft 11, and the side wall of the through groove 6 is provided with a corresponding rotating hole, and the rotating shaft 11 is rotatably inserted into the rotating hole.

[0026] This low-crosstalk slot connector is used for mounting and securing memory modules (or other similar electrical connection structures). It features a floating bar 5 whose position changes with the rotation of the latch 1. Specifically, when a memory module is inserted, its bottom end abuts against the floating bar 5, causing it to descend to the bottom of the slot 3. The floating bar 5 then rotates the latch 1 to the locked position, exposing the electrical connection terminals and connecting them to the memory module. When the memory module needs to be removed, pressing the top end 7 of the latch 1 causes it to tilt away from the protrusion 2, leveraging this to raise the floating bar 5 and dislodge the memory module from the slot 3. Simultaneously, the latch 1 raises the floating bar 5 to the top of the slot 3, sealing the top opening of the slot 3. This ensures the slot 3 remains closed after the memory module is removed, effectively preventing dust accumulation and improving electrical contact stability.

[0027] The floating bar 5 includes a metal bar 14 and an insulating layer 15 covering the outside of the metal bar 14. The insulating layer 15 is used to prevent electrical connection between the floating bar 5 and the electrical connection terminals and the memory module. Simultaneously, when the memory module is inserted, the metal bar 14 is electrically connected to the grounding solder pin 13 through the exposed hole 16, thereby forming a grounding element between the different electrical connection terminals through the metal bar 14. This element is electrically connected to the system ground wire, forming a so-called "negative ground." This helps stabilize the circuit, effectively reduces crosstalk, and thus improves the quality and integrity of high-frequency signals.

[0028] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A low-crosstalk slot connector, characterized in that, The device includes ear clips, a floating bar, and a slot body. The slot body has protrusions at both ends and a strip-shaped groove between the two protrusions. Two ear clips are rotatably mounted on the two protrusions and can rotate back and forth between a locked and unlocked position. The floating bar is vertically mounted in the strip-shaped groove, with its two ends inserted into the bottoms of the two ear clips. Multiple electrical connection terminals are provided on both side walls of the strip-shaped groove. A grounding solder foot is provided at the bottom of the slot body, with its top inserted into the bottom of the strip-shaped groove. The floating bar includes a metal strip and an insulating layer covering the outside of the metal strip. The insulating layer has an exposure hole corresponding to the position of the grounding solder foot to expose the metal strip. When the ear buckle is in the locked position, the ear buckle is perpendicular to the strip groove, the floating bar is located at the bottom of the strip groove, and the top of the electrical connection terminal is exposed for electrical connection. The metal strip is electrically connected to the grounding solder foot through the exposure hole. When the ear buckle is rotated from the locked position to the unlocked position, the ear buckle rotates outward and drives the floating bar to rise to the top of the strip groove, and the floating bar closes the top opening of the strip groove.

2. A low crosstalk slot connector according to claim 1, characterized in that, The ear clip includes a strip-shaped portion, a top end, and a bottom hook. The top end is located at the top of the strip-shaped portion, and the bottom hook is located at the bottom of the strip-shaped portion. The strip-shaped portion is rotatably mounted on the protrusion, and the bottom hook is located in the strip-shaped groove. A strip-shaped hole is provided on the strip-shaped portion along the direction from the top end to the bottom hook. The two ends of the floating bar are respectively inserted into the strip-shaped holes of the two ear clips. When the ear clip is rotated from the locked position to the unlocked position, the top end of the ear clip is tilted away from the protrusion, and the bottom hook drives the floating bar to rise to the top of the strip-shaped groove.

3. A low crosstalk slot connector according to claim 2, characterized in that, The protrusion has a through groove on the side opposite to the slot body, and the ear clip is rotatably disposed in the through groove.

4. A low crosstalk slot connector according to claim 3, characterized in that, The side wall of the strip is provided with a locking block, and the side wall of the through groove is provided with a corresponding locking groove. When the ear clip is in the locked position, the locking block is embedded in the locking groove.

5. A low crosstalk slot connector according to claim 3, characterized in that, The side wall of the strip is provided with a rotating shaft, and the side wall of the through groove is provided with a corresponding rotating hole, and the rotating shaft is rotatably inserted into the rotating hole.