CN222463532U

CN222463532U - Memory bank connector capable of rapidly switching assembly modes

Info

Publication number: CN222463532U
Application number: CN202323484464.8U
Authority: CN
Inventors: 茅曙
Original assignee: Ningbo Zsnow Electronics Co ltd
Current assignee: Ningbo Zsnow Electronics Co ltd
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2025-02-11
Anticipated expiration: 2033-12-20

Abstract

The utility model discloses a memory strip connector capable of rapidly switching assembly modes, which comprises a connector main body, wherein the top surface of the connector main body is provided with a plugging slot along the length direction, two sides of the plugging slot are provided with a plurality of metal terminals, and two ends of the connector main body are provided with earpieces and metal pins. The plug-in slot is provided with a first slot and a second slot close to the middle position, the first slot and the second slot are internally provided with metal spring plates in a pulling mode, the whole metal spring plates are U-shaped, and the U-shaped opening of each metal spring plate is downwards plugged into the first slot or the second slot so as to rapidly switch the processing production of the corresponding memory strip of the connector main body. The first slot and the second slot are two groups of U-shaped slots with inward concave side walls, which are arranged at the opposite positions of the left side wall and the right side wall of the inserting slot, and the slot bottom wall or the slot side wall formed by the U-shaped slots and the metal elastic sheet are provided with a clamping structure which is matched with each other. The metal elastic sheet is assembled in the first slot or the second slot to realize the fast switching into the RDIMM or UDIMM type memory bar connector of DDR 5.

Description

Memory bank connector capable of rapidly switching assembly modes

Technical Field

The utility model relates to the technical field of PCB golden finger connectors, in particular to a memory strip connector capable of rapidly switching assembly modes.

Background

The DDR connector is a memory bar connector and is used for connecting a main board of a computer with a memory bar. DDR is an abbreviation of "Double Data Rate," meaning "Double Data transfer Rate," mainly referring to the Rate at which memory transfers Data. DDR connectors are widely used in the computer arts of personal computers, servers, workstations, embedded systems, and the like. For DDR5 memory strips RDIMM/UDIMM, although the external dimensions and pin numbers of the two types are the same, morphological differences exist, and the distances from the center of Key/middle metal pins to the center of the terminals are different, namely about 4.3mm in RDIMM type and about 1.85mm in UDIMM type. The current common design for the above-mentioned differences is to design separate, adaptively connected memory stick connectors, and thus, two separate sets of dies are required to process the plastic body of the connector to produce both types of memory stick connectors. The connector plastic main body is provided with the metal terminals, the earrings and the metal pins, and is processed into two types of connectors, and the two types of connector plastic main bodies are required to be prepared, stored in a classified manner, and mixed materials are avoided. Therefore, the prior art processes for producing and processing DDR5 memory stick RDIMM/UDIMM two types of memory stick connectors can generate stock keeping pressure. There is a problem that one of the two materials is excessive and the other is not enough. Further development and improvement of the existing DDR5 memory card connector are needed to solve the above technical problems.

Disclosure of utility model

In order to overcome the defects of the prior art, the scheme provides a memory bank connector capable of rapidly switching an assembly mode, and a plastic body of the connector can be used for switching DDR5 memory banks in two modes of RDIMM/UDIMM, so that the problems that stock pressure is easy to cause, one material is excessive, and the other material is deficient in the existing single mode are solved.

The technical scheme includes that the memory bar connecting part capable of rapidly switching the assembly mode comprises a connector body, wherein the connector body is of a strip shape, a plugging groove is formed in the top surface of the connector body along the length direction, a plurality of metal terminals are arranged on two sides of the plugging groove, and earpieces and metal pins are arranged on two ends of the connector body. The plug-in slot is provided with a first slot and a second slot close to the middle position, the first slot and the second slot are internally provided with metal spring plates in a plug-in mode, the whole metal spring plates are U-shaped, and the U-shaped opening of each metal spring plate is downwards plugged into the first slot or the second slot so as to rapidly switch the corresponding memory bank of the connector main body for processing production.

The first slot and the second slot are two groups of U-shaped slots with inward concave side walls, which are arranged at the opposite positions of the left side wall and the right side wall of the inserting slot, and the slot bottom wall or the slot side wall formed by the U-shaped slots and the metal elastic sheet are provided with a clamping structure which is matched with each other.

Optionally, the clamping structure is that a first clamping part is arranged at the front side or the rear side of the bottom wall of the groove, and second clamping parts are arranged at two side edges of the metal elastic sheet.

Optionally, the first clamping part is a reverse hook part, and the second clamping part is a convex hook part which is in fit and clamping.

Optionally, the clamping structure is that a third clamping part is arranged on the side wall of the groove, and a fourth clamping part is arranged on the front or rear of the U-shaped metal spring plate.

Optionally, the third clamping part is a rectangular notch concave towards the side wall of the groove, and the fourth clamping part is an eversion clamping part respectively cut at the front side or the rear side of the metal elastic sheet.

Optionally, through holes are arranged at the bottoms of the first slot and the second slot, one end of the metal elastic sheet extends downwards to form an inserting part, the inserting part is inserted and penetrated out of the through holes,

One end of the metal elastic sheet is bent downwards to form an inclined plane extension part towards the other end, the lower end of the inclined plane extension part is vertically downwards extended to form an inserting part, and one side hole wall of the through hole is arranged to be an inclined plane hole wall so as to be matched with the inserting inclined plane extension part.

Optionally, a through hole welding part or a U-shaped notch welding part is arranged on the lower end plate surface of the insertion part penetrating out of the through hole part.

Optionally, two side edges of the lower end plate surface of the insertion part penetrating out of the through hole part are provided with clamping side wing parts protruding outwards and then extending obliquely downwards.

The memory strip connector designed by the technical scheme has the beneficial effects that the memory strip connector is mainly universal to the implementation of the memory strip connector in the two forms of RDIMM/UDIMM of DDR5, and can be assembled through the arranged metal elastic sheets corresponding to the two slots. Because the metal elastic sheet is inserted into the corresponding memory strip when the foolproof port of the memory strip is inserted into the metal elastic sheet, the metal elastic sheet has elasticity, and a certain deformation variable distance can be arranged at the left and the right of the metal elastic sheet, so that the memory strip connector which is suitable for the corresponding memory strip can be quickly switched and assembled. Therefore, the problems that the connector plastic main body is produced by corresponding processing of two sets of independent dies in the traditional production of the memory card connector in two forms, the connector plastic main body is assembled with metal terminals, lugs and metal pins to be processed into two types of connectors, and the two types of connector plastic main bodies are required to be prepared and stored in a classified manner so as to avoid mixing are avoided. Only the connector main body designed by the scheme is required to be prepared, so that the connector is applicable to processing of memory strip connectors in two forms, the preparation of one material is reduced, and the pressure of material storage is reduced. And the method has a convenient effect on production and processing, and no material is required to be specially removed.

In addition, the fool-proof port of the traditional memory bar connector for plugging the memory bar is a stop lever part which is integrally injection molded with the plastic main body, and the plastic is easy to damage when the inner side bar is reversely plugged, so that the strength of a slot of the connector is affected, and the normal contact use of the golden finger of the memory bar and the metal terminal is affected. Through the design of slot and metal shrapnel of this scheme, be favorable to avoiding above-mentioned problem.

Drawings

FIG. 1 is an exploded view of the structure of the present utility model.

Fig. 2 is a schematic diagram showing the difference between the center-to-center distances of Key/intermediate metal pins corresponding to two types of memory banks according to the present utility model.

FIG. 3 is a diagram of a memory bank connector for DDR5 RDIMM memory banks according to the present utility model.

FIG. 4 is a schematic diagram of a memory bank connector for DDR5 UDIMM memory banks.

FIG. 5 is a schematic diagram of the bottom walls, through holes and sloped walls of the first slot and the second slot according to the present utility model.

FIG. 6 is a schematic diagram of a slot sidewall of a first slot and a second slot according to the present utility model.

Fig. 7 is a schematic structural diagram of a first embodiment of a metal spring according to the present utility model.

Fig. 8 is a schematic structural diagram of an embodiment of the first clamping portion of the present utility model as a barb portion.

Fig. 9 is a schematic structural diagram of a second embodiment of a metal spring plate according to the present utility model.

Fig. 10 is a schematic view of a third clamping portion of the present utility model with a rectangular recess and a metal spring.

Fig. 11 is a schematic structural diagram of a third embodiment of a metal spring plate according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a memory card connector capable of rapidly switching assembly modes includes a connector body 1, the connector body 1 is in a strip shape, a plugging slot 11 is formed in the top surface of the connector body 1 along the length direction, a plurality of metal terminals 2 are arranged on two sides of the plugging slot 11, and lugs 4 and metal pins 5 are arranged on two ends of the connector body 1. For the DDR5 memory bank RDIMM/UDIMM two types of memory banks, although the external dimensions and pin count of the two types are the same, the memory bank connectors still have morphology differences, the Key/intermediate metal pin center-to-terminal center distances are different, about 4.3mm for the RDIMM type and about 1.85mm for the UDIMM type (shown in FIG. 2).

Therefore, the technical scheme is mainly characterized in that the inserting slot 11 is provided with a first slot 12 and a second slot 13 near the middle position, the first slot 12 and the second slot 13 are internally and removably provided with a metal spring plate 3, the metal spring plate 3 is integrally U-shaped, and the U-shaped opening of the metal spring plate 3 is downwards inserted into the first slot 12 or the second slot 13. When the metal elastic sheet 3 is inserted with the corresponding memory strip, the foolproof port of the memory strip is inserted on the metal elastic sheet 3, the metal elastic sheet 3 has elasticity, and a certain deformation variable distance can be arranged at the left and right sides of the metal elastic sheet, so that the memory strip connector which is suitable for the corresponding memory strip can be quickly switched and assembled. The memory bar connector is suitable for processing two types of memory bar connectors, so that the material preparation of one material is reduced, and the pressure of material storage is reduced.

As shown in fig. 3, the letter "R" is marked on the first slot 12 side of the connector body 1, that is, the metal spring plate 3 is inserted into the first slot 12, so that the memory bank connector is suitable for plugging and using the memory bank of the DDR5 memory bank RDIMM.

As shown in fig. 4, the letter "U" is marked on the second slot 13 side of the connector body 1, that is, the metal spring plate 3 is inserted into the second slot 13, so that the memory bank connector is suitable for plugging a memory bank of a DDR5 memory bank UDIMM.

As a preferred embodiment of the specific structure of the first slot 12 and the second slot 13, the first slot 12 and the second slot 13 are two sets of U-shaped slots 121 with concave side walls arranged at opposite positions of the left and right side walls of the inserting slot, and the slot bottom wall 1211 or the slot side wall 1212 formed by the U-shaped slots 121 and the metal spring 3 are provided with a clamping structure adapted to each other.

Referring to fig. 5, 7 and 8, alternatively, the fastening structure is that a first fastening portion is provided at the front side or the rear side of the groove bottom wall 1211, and second fastening portions are provided at two sides of the metal spring plate 3. The first clamping part is a reverse hook part 12111, and the second clamping part is a convex hook part 301 which is matched and clamped.

Referring to fig. 6, 9 and 10, optionally, the clamping structure is that a third clamping portion is provided on the side wall 1212 of the groove, and a fourth clamping portion is provided on the front or rear face formed by the U-shape of the metal spring plate 3. The third clamping part is a rectangular notch 12121 which is concave towards the side wall of the groove, and the fourth clamping part is an eversion clamping part 302 which is respectively cut at the two side edges of the front or the rear of the metal elastic sheet 3.

The groove bottom wall 1211 or the groove side wall 1212 formed by the U-shaped groove 121 and the metal spring plate 3 are provided with an adaptive clamping structure, so that the metal spring plate 3 is quickly installed and fixed to the first slot 12 and the second slot 13, the assembly is simple, and the automatic assembly can be realized.

Referring to fig. 5, 7, 9 and 10, optionally, through holes 122 are formed at bottoms of the first slot 12 and the second slot 13, one end of the metal spring plate 3 extends downward to form a plugging portion 303, the plugging portion 303 is plugged into and penetrates out of the through hole 122, the lower end of the plugging portion 303, after penetrating out of the through hole 122, is used for being welded and fixed with a device motherboard, and is equal to that of the metal pins 5 arranged at bottoms of two ends in the prior art, and the welding and fixing of the plugging portion 303 of the metal spring plate 3, which is close to the middle position, with the device motherboard is increased, so that the connector is more firmly mounted on the device motherboard.

Referring to fig. 10, alternatively, one end of the metal spring plate 3 is bent and extended obliquely downward toward the other end to form an inclined surface extension portion 304, the lower end of the inclined surface extension portion 304 is extended vertically downward to form a plugging portion 303, and a hole wall on one side of the through hole 122 is formed as an inclined surface hole wall 1221 to be matched with the plugging inclined surface extension portion 304. The design of the inclined plane extension portion 304 and the inclined plane hole wall 1221 can effectively prevent the metal spring plate 3 from reversely plugging into the through hole, because the designed clamping structure usually only needs to be aimed at two sides of one end face of the metal spring plate 3, or two sides of one end face can be clamped, and the reverse plugging can not be realized.

Referring to fig. 7 and 9, a through hole welding portion 3031 or a U-shaped notch welding portion 3032 is provided on a lower end plate surface of the portion of the insertion portion 303 extending out of the through hole 122. The through hole port solder 3031, or U-notch solder 3032, is designed to accommodate interference-free connection of the device motherboard.

Referring to fig. 11, two sides of the lower end plate surface of the portion of the plugging portion 303 penetrating the through hole 122 are provided with a clamping wing portion 3033 protruding outwards and then extending obliquely downwards, which is designed to adapt to the interference design of the device motherboard connection.

It should be noted that, the slot bottom wall 1211 or the slot side wall 1212 formed by the U-shaped slot 121 and the metal spring 3 may be replaced by a clamping structure with an adaptive clamping structure at the through hole 122 at the bottom of the first slot 12 and the second slot 13 and the plug portion 303 at the lower end of the metal spring 3.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a memory strip connector of quick switch equipment form, includes connector body (1), and connector body (1) are rectangular shape, and connector body (1) top surface is equipped with grafting trench (11) along length direction, and the both sides of grafting trench (11) are equipped with a plurality of metal terminal (2), and the both ends of connector body (1) are equipped with ear tag (4) and metal foot (5), a serial communication port, grafting trench (11) are close to intermediate position and are equipped with first slot (12), second slot (13), first slot (12), second slot (13) interpolation formula are provided with metal shell fragment (3), metal shell fragment (3) wholly are the U-shaped, and the U-shaped mouth of metal shell fragment (3) is pegged graft in first slot (12) or second slot (13) down to quick switch connector body (1) corresponds memory strip processing production.

2. The memory stripe connector of claim 1, wherein the first slot (12) and the second slot (13) are two sets of U-shaped slots (121) with concave side walls, which are arranged at opposite positions of left and right side walls of the inserting slot, and a slot bottom wall (1211) or a slot side wall (1212) formed by the U-shaped slots (121) and the metal spring plate (3) are provided with a clamping structure adapted to each other.

3. The memory stripe connector according to claim 2, wherein the clamping structure is a first clamping portion provided at a front side or a rear side of the bottom wall (1211) of the slot, and second clamping portions are provided at two side edges of the metal spring plate (3).

4. The memory stripe connector of claim 3, wherein the first clamping portion is a barb portion (12111) and the second clamping portion is a protrusion portion (301) adapted to be clamped.

5. The memory stripe connector of claim 2, wherein the clamping structure is a third clamping portion provided on the side wall (1212) of the slot, and a fourth clamping portion is provided on the front or rear of the U-shaped metal spring (3).

6. The memory stripe connector according to claim 5, wherein the third clamping portion is a rectangular recess (12121) recessed toward a side wall of the slot, and the fourth clamping portion is an eversion clamping portion (302) cut at two sides of a front or rear surface of the metal spring plate (3).

7. The memory stripe connector according to any of claims 1-6, wherein the bottoms of the first slot (12) and the second slot (13) are provided with through holes (122), one end of the metal spring plate (3) extends downwards to form a plugging portion (303), and the plugging portion (303) is plugged out of the through holes (122).

8. The memory stripe connector according to claim 7, wherein one end of the metal spring plate (3) is bent and extended obliquely downward toward the other end to form an inclined surface extension portion (304), the lower end of the inclined surface extension portion (304) is extended vertically downward to form a plugging portion (303), and a side hole wall of the through hole (122) is formed as an inclined surface hole wall (1221) to be matched with the plugging inclined surface extension portion (304).

9. The memory stripe connector according to claim 7, wherein the insertion portion (303) is provided with a through hole opening welding portion (3031) or a U-shaped notch welding portion (3032) on a lower end plate surface of the portion penetrating the through hole (122).

10. The memory stripe connector according to claim 9, wherein the plug-in portion (303) is provided with a convex-protruding and then obliquely downward extending clamping wing portion (3033) at both sides of the lower end plate surface of the portion passing through the through hole (122).