CN219592710U

CN219592710U - DIMM-based desktop memory bank

Info

Publication number: CN219592710U
Application number: CN202320641377.XU
Authority: CN
Inventors: 么文山; 程云峰
Original assignee: Shenzhen Jinbaida Technology Co ltd
Current assignee: Shenzhen Jinbaida Technology Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-25
Anticipated expiration: 2033-03-28

Abstract

The utility model provides a desktop memory bank based on a DIMM, and belongs to the technical field of memory banks. The desktop memory strip based on the DIMM type comprises a PCB with pins and a memory chip arranged on the surface of the PCB, wherein the surface of the PCB is provided with a mounting groove for electrically connecting the bottom of the memory chip, the top of the PCB protrudes out of the top of the mounting groove, and a first positioning piece for dismounting the memory chip from the mounting groove is arranged between the left side and the right side of the top of the mounting groove; the first positioning piece formed by the T-shaped positioning plate, the positioning groove, the reset spring and the positioning frame is used for clamping the memory chip inserted in the mounting groove left and right, and then the second positioning piece formed by the positioning screw rod, the pressing plate and the fastening sleeve is used for limiting the downward pressing of the top of the memory chip, so that the memory chip can be tightly connected with the mounting groove, and meanwhile, the memory chip is also convenient to detach and replace when damaged later.

Description

DIMM-based desktop memory bank

Technical Field

The utility model relates to the technical field of memory banks, in particular to a desktop memory bank based on a DIMM type.

Background

With the development of faster dynamic random access memories, DIMM circuit boards continue to evolve. Modern DIMMs based on double data rate fourth generation (DDR 4) SDRAM chips use 288 pin connectors to connect to the desktop motherboard, that is, the DIMM is a module that contains one or several Random Access Memory (RAM) chips on a small circuit board with pins connecting them to the desktop motherboard to improve data throughput.

The memory chip of the DIMM-type desktop memory strip formed by integrating the access memory (RAM) chip on the circuit board is basically welded and fixed, and when the access memory (RAM) chip is damaged in subsequent use and needs to be replaced, the access memory (RAM) chip is inconvenient to detach from the circuit board, and generally, an integral scrapping means is adopted, so that the subsequent maintenance cost is higher.

Therefore, in order to solve the problem, the utility model provides a desktop memory bank based on a DIMM type.

Disclosure of Invention

In order to solve the above problems, the present utility model proposes a desktop memory bank based on DIMM type to solve the above problems in the prior art more precisely.

The utility model is realized by the following technical scheme:

the utility model provides a desktop memory strip based on a DIMM (dual-input memory module), which comprises a PCB (printed circuit board) with pins and a memory chip arranged on the surface of the PCB, wherein the surface of the PCB is provided with a mounting groove for electrically connecting the bottom of the memory chip, the top of the PCB protrudes out of the top of the mounting groove, a first positioning piece for disassembling and assembling the memory chip and the mounting groove is arranged between the left side and the right side of the top of the mounting groove, and a second positioning piece for adjusting the top of the memory chip up and down is arranged at the top of the first positioning piece.

Further, the first locating piece is including dismantling the T type locating plate of connection on the PCB board surface, one side of T type locating plate is equipped with the constant head tank, the inside wall fixedly connected with two symmetrical reset springs of constant head tank, reset spring's the other end fixedly connected with and the locating rack of the inseparable laminating of memory chip surface.

Furthermore, the locating frame is of a concave structure, and the diameters of the opposite inner walls of the locating frame are equal to the corresponding lengths between the front surface and the rear surface of the memory chip.

Further, one surface of the locating frame corresponding to the T-shaped locating plate is fixedly connected with a telescopic rod, and the other end of the telescopic rod is fixedly connected with the corresponding surface of the locating frame.

Further, the second positioning member comprises a positioning screw rod fixedly connected to the center axis of the top of the positioning frame, the surface of the positioning screw rod is connected with a pressing plate in a sliding manner, and a fastening sleeve attached to the top of the pressing plate is connected with the surface of the positioning screw rod in a threaded manner.

Further, the fastening sleeve is in a hexagonal structure.

Further, both sides of the PCB board are provided with sliding connection grooves, and both the left side and the right side of the top of the PCB board are protruded with extension edges with the same shape and size.

Furthermore, metal pins are uniformly distributed on the inner bottom wall of the mounting groove, and inserting holes corresponding to the metal pins are formed in the bottom of the memory chip.

The utility model has the beneficial effects that:

the desktop memory strip based on the DIMM provided by the utility model is characterized in that a first positioning piece formed by the T-shaped positioning plate, the positioning groove, the reset spring and the positioning frame is used for clamping a memory chip inserted in the mounting groove left and right, and then a second positioning piece formed by the positioning screw rod, the pressing plate and the fastening sleeve is used for tightly connecting the memory chip with the mounting groove under the condition that the top of the memory chip is pressed down and limited, so that the memory chip is convenient to detach and replace when the memory chip is damaged later.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a DIMM-based memory bank of a desktop computer according to the present utility model;

FIG. 2 is an exploded view of the connection of a memory chip to a mounting slot of a DIMM-based desktop memory stick according to the present utility model;

FIG. 3 is a schematic diagram of a positioning member for a DIMM-based memory bank of a desktop according to the present utility model;

FIG. 4 is a schematic diagram of a connection structure between a first positioning member and a second positioning member of a memory bank of a desktop based on DIMM according to the present utility model.

The reference numerals are as follows:

in the figure: 1. a PCB board; 2. a memory chip; 3. a mounting groove;

4. a first positioning piece; 41. a T-shaped positioning plate; 42. a positioning groove; 43. a return spring; 44. a positioning frame; 45. a telescopic rod;

5. a second positioning piece; 51. positioning a screw rod; 52. a pressing plate; 53. a fastening sleeve;

6. and a sliding connection groove.

Detailed Description

In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-4, a desktop memory bar based on DIMM type includes a PCB board 1 with pins and a memory chip 2 disposed on the surface of the PCB board 1, a mounting groove 3 for electrically connecting the bottom of the memory chip 2 is disposed on the surface of the PCB board 1, the top of the PCB board 1 protrudes out of the top of the mounting groove 3, a positioning piece one 4 for disassembling and assembling the memory chip 2 and the mounting groove 3 is disposed between the left and right sides of the top of the mounting groove 3, and a positioning piece two 5 capable of adjusting the top of the memory chip 2 up and down is disposed on the top of the positioning piece one 4.

In this embodiment, when the memory chip 2 is mounted on the PCB board 1, only the preset plugging hole at the bottom of the memory chip 2 and the preset metal plug pair at the inner bottom wall of the mounting groove 3 are required to be plugged correspondingly, then two sides of the top of the memory chip 2 protruding out of the mounting groove 3 are pressed by the two positioning frames 44 under the corresponding reset springs 43, so that the memory chip 2 can be tightly clamped between the two positioning frames 44, the stability of the electrical connection between the memory chip 2 and the mounting groove 3 is improved, finally, the pressing plate 52 movably designed on the surface of the positioning screw 51 at the top of the positioning frame 44 is horizontally attached to the central axis surface of the top of the memory chip 2, and the fastening sleeve 53 designed on the surface of the positioning screw 51 is rotated to adjust the attaching tightness of the fastening pressing plate 52 to the top of the memory chip 2, so that the memory chip 2 plugged in the inner wall of the mounting groove 3 can be conveniently connected and stably with the surface mounting groove 3 of the PCB board 1 under the pressing condition of about 4 pairs of the positioning pieces, and the memory chip 2 is also convenient to have the characteristic of quick disassembly and replacement.

Referring to fig. 3, the first positioning member 4 includes a T-shaped positioning plate 41 detachably connected to the surface of the PCB board 1, a positioning slot 42 is provided on one side of the T-shaped positioning plate 41, two symmetrical return springs 43 are fixedly connected to the inner side wall of the positioning slot 42, and a positioning frame 44 tightly attached to the surface of the memory chip 2 is fixedly connected to the other end of the return spring 43.

In this embodiment, the T-shaped positioning plate 41 is connected with the PCB board 1 in a detachable manner, and can be realized by a screw structure and a spring clamping structure, and the first positioning member 4 is designed and is mainly used for positioning the memory chip 2 inserted in the mounting groove 3, so that the method is more convenient for the subsequent replacement of the memory chip 2 inserted in the mounting groove 3 due to the subsequent damage than the conventional welding and fixing method between the memory chip 2 and the PCB board 1.

Referring to fig. 2-3, the positioning frame 44 has a concave structure, and the diameters of the opposite inner walls of the positioning frame 44 are equal to the corresponding lengths between the front and rear surfaces of the memory chip 2.

In this embodiment, the positioning frame 44 adopting the concave structural design is mainly convenient for the inner wall that the memory chip 2 side can be closely attached between the corresponding inner walls of the positioning frame 44, and can effectively prevent the unstable connection problem between the memory chip 2 and the mounting groove 3 in the subsequent use.

Referring to fig. 3, a telescopic rod 45 is fixedly connected to one surface of the positioning frame 44 corresponding to the T-shaped positioning plate 41, and the other end of the telescopic rod 45 is fixedly connected to the corresponding surface of the positioning frame 44.

In this embodiment, the design of the telescopic rod 45 is used for effectively limiting the telescopic movement of the positioning frame 44 and the return spring 43, so that the telescopic movement between the positioning frame 44 and the return spring 43 is ensured to be more stable.

Referring to fig. 4, the second positioning member 5 includes a positioning screw rod 51 fixedly connected to the center axis of the top of the positioning frame 44, a pressing plate 52 slidably connected to the surface of the positioning screw rod 51, and a fastening sleeve 53 screwed to the surface of the positioning screw rod 51 and attached to the top of the pressing plate 52.

In this embodiment, the design of the second positioning element 5 is mainly used to assist the first positioning element 4 in further improving the fixing performance of the limit of the memory chip 2 inserted into the mounting slot 3.

Referring to fig. 4, the fastening sleeve 53 has a hexagonal structure.

In the present embodiment, the tightening sleeve 53 having a hexagonal structure is more stressed when rotated by the hand than the tightening sleeve 53 having a circular structure.

Referring to fig. 1, sliding connection grooves 6 are formed on both sides of a pcb board 1, and extension edges with the same shape and size are protruded on both sides of the top of the pcb board 1.

In this embodiment, the sliding connection grooves 6 designed on two sides of the PCB 1 are used for sliding connection and limiting between the PCB 1 and the desktop motherboard, so that the PCB 1 and the desktop motherboard are more conveniently positioned when connected.

Referring to fig. 2, metal pins are uniformly distributed on the inner bottom wall of the mounting groove 3, and plugging holes corresponding to the metal pins are formed on the bottom of the memory chip 2.

In this embodiment, the metal pins designed on the bottom wall of the mounting groove 3 and the socket holes designed on the bottom of the memory chip 2 are mainly used for facilitating the electrical connection between the memory chip 2 and the mounting groove 3 designed on the PCB board 1.

Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.

Claims

1. The utility model provides a desktop memory strip based on DIMM type, includes the PCB board that has the pin and sets up the memory chip on the PCB board surface, its characterized in that, the surface of PCB board is equipped with the mounting groove that is used for memory chip bottom electricity to link, the top of the protruding mounting groove in top of PCB board, be equipped with between the left and right sides at mounting groove top and be used for the setting element one to dismouting between memory chip and the mounting groove, setting element one's top is equipped with and is used for adjusting setting element two from top to bottom to memory chip top.

2. The DIMM-based desktop memory stick of claim 1, wherein the first positioning member comprises a T-shaped positioning plate detachably connected to the surface of the PCB, a positioning groove is formed in one side of the T-shaped positioning plate, two symmetrical return springs are fixedly connected to the inner side wall of the positioning groove, and a positioning frame tightly attached to the surface of the memory chip is fixedly connected to the other end of the return spring.

3. The DIMM-based desktop memory stick of claim 2, wherein the spacer is of a concave configuration, and the opposing inner walls of the spacer have a diameter equal to the corresponding length between the front and back surfaces of the memory chip.

4. The DIMM-based desktop memory stick according to claim 2, wherein a telescopic rod is fixedly connected to one surface of the positioning frame corresponding to the T-shaped positioning board, and the other end of the telescopic rod is fixedly connected to a surface of the positioning frame corresponding to the telescopic rod.

5. The DIMM-based desktop memory stick according to claim 2, wherein the second positioning member comprises a positioning screw rod fixedly connected to the center axis of the top of the positioning frame, a pressing plate is slidably connected to the surface of the positioning screw rod, and a fastening sleeve attached to the top of the pressing plate is screwed to the surface of the positioning screw rod.

6. The DIMM-based desktop memory stick of claim 5, wherein the fastening sleeve has a hexagonal configuration.

7. The DIMM-based desktop memory stick of claim 1, wherein both sides of the PCB are provided with sliding connection grooves, and both left and right sides of the top of the PCB are protruded with extension edges with the same shape and size.

8. The DIMM-based desktop memory stick according to claim 1, wherein metal pins are uniformly distributed on an inner bottom wall of the mounting groove, and plug holes corresponding to the metal pins are formed in a bottom of the memory chip.