CN109976476B - A locking structure and riser card for installing an M.2 hard disk - Google Patents

Abstract

The invention provides a locking structure for installing an M.2 hard disk and a riser card, and belongs to the technical field of server hard disk installation. The technical proposal is as follows: the device comprises a tail part, wherein the tail part is provided with a dome-shaped part and a base part below the dome-shaped part, the base part extends downwards to form a shaft part, a concave part is arranged at the joint of the shaft part and the base part, the tail end of the shaft part forms a head part, the head part relative to the longitudinal axis of the shaft part is provided with a front edge farthest from the tail part and a rear edge nearest to the tail part, and the front edge is bent towards the rear edge to form a skirt-shaped expansion part. The beneficial effects of the invention are as follows: according to the invention, the locking structure is designed by taking the riser card as a carrier, so that the fixing and the installation of the M.2 hard disk are realized, the M.2 hard disk can be fixed and installed by using the locking structure without an installation tool, and the stress and the damage risk caused in the process of assembling and disassembling the M.2 hard disk can be reduced, thereby reducing the manufacturing cost and the bad risk, improving the production and operation and maintenance efficiency and improving the competitiveness of products.

Description

A locking structure and riser card for installing an M.2 hard disk

Technical Field

The present invention relates to the technical field of server hard disk installation, and in particular to a locking structure and a riser card for installing an M.2 hard disk.

Background technique

With the development of data storage technology and hard disk technology, SSD hard disk is a new-age product with high speed, high lifespan, high shock and drop resistance, low power consumption, low weight and low noise. Its application is becoming more and more extensive. Among them, M.2 hard disk can use PCIE interface and NVME protocol, and has also been widely used in mid-to-high-end markets such as computers and servers.

The existing M.2 hard disk has a semi-arc screw lock position at the rear end for locking screws, and the motherboard for fixing the M.2 hard disk has corresponding screw holes for connecting screws. When fixing, the M.2 hard disk is locked to the motherboard with metal screws. This fixing method using screws has many disadvantages. The M.2 hard disk and the motherboard are completely bound together, and the decoupling and disassembly operations are inconvenient. Repeated disassembly and assembly of screws can easily cause the electronic components on the M.2 hard disk and the motherboard to crack or collide, thereby damaging the hard disk or the motherboard.

The invention patent application with application number 201811509901.8 and title “M.2 Hard Drive Mounting Bracket” discloses an M.2 hard drive mounting bracket, which solves the problem in the prior art that the M.2 hard drive is installed on the motherboard by screw locking, which is inconvenient to decouple and disassemble, and repeated disassembly and assembly can easily damage the electronic components. However, the bracket involved in the present disclosure is card-connected to the M.2 connector, and the M.2 hard drive is installed in the bracket. Although the problem of screw locking is solved, the bracket occupies too much space and increases the weight, and the card-connected method is easy to fall off, causing damage to the M.2 hard drive, thereby affecting the transmission and control of power and signals.

Summary of the invention

The object of the present invention is to provide a locking structure and a riser card for installing an M.2 hard disk, so as to solve the problem that the hard disk or the motherboard may be damaged when the M.2 hard disk is bound to the motherboard by screw locking.

The present invention is achieved through the following measures: a locking structure for installing an M.2 hard disk, including a tail portion, the tail portion having a dome-shaped portion and a base portion below the dome-shaped portion, the base portion extending downward to form an axis portion, a recess being provided at the junction of the axis portion and the base portion, a head portion being formed at the end of the axis portion, the head portion having a front edge farthest from the tail portion and a rear edge closest to the tail portion relative to the longitudinal axis of the axis portion, the front edge being bent toward the rear edge to form a skirt-shaped expansion portion.

Beneficial effects of the present invention: The present invention uses the riser card as a carrier and designs the locking structure in the present invention to achieve the fixation and installation of the M.2 hard disk. The locking structure does not require any installation tools to fix and install the M.2 hard disk, effectively reducing the stress and damage risks caused during the assembly and disassembly of the M.2 hard disk, thereby reducing manufacturing costs and defects, improving production and operation efficiency, and improving product competitiveness.

Furthermore, the base is cylindrical, and the diameter of the base is greater than the diameter of the shaft.

The above further beneficial effects are as follows: the cylindrical shape can reduce the wear of the corners on the circuits on the M.2 hard disk, the diameter of the base is larger than the diameter of the shaft, which can prevent the locking structure from falling off, and another point is that it provides a force application point.

Furthermore, the depth of the depression is equal to half of the diameter length of the shaft portion, and the width of the depression is equal to the thickness of the hard disk.

The above further advantageous effect is that the depth of the depression corresponds to the semicircular positioning hole of the M.2 hard disk, and the width of the depression corresponds to the thickness of the M.2 hard disk.

Furthermore, the diameter of the shaft portion is equal to the aperture size of the mounting hole on the riser card.

The above further beneficial effect is that it can prevent the M.2 hard disk from shaking.

Furthermore, the expansion portions are equidistantly distributed outside the shaft portion with the longitudinal axis of the shaft portion as the center.

The above method has the further effect that the equidistant distribution can evenly apply force and will not cause damage to the mounting holes and the semicircular positioning holes due to local unbalanced force.

Furthermore, the front edge of the head originates from the outer side of the end of the shaft portion and is integrally formed with the outer side.

The above method has the further beneficial effects of preventing the expansion part from being damaged and improving the strength of the expansion part by integral molding.

Furthermore, a rear edge of the head portion is away from an outer side of the shaft portion.

The above further advantageous effect is that elastic deformation of the expansion portion can be achieved.

Furthermore, the locking structure is a plastic locking structure.

The above further beneficial effects include preventing damage to the M.2 hard disk and the riser card, and ensuring the elasticity of the expansion portion.

Furthermore, the riser card includes a left end, a right end, an upper end, a lower end, a front side and a back side, an M.2 connector A is provided on the left end of the front side, and a mounting hole is provided near the M.2 connector A, an M.2 connector B is provided on the right end of the back side, and a mounting hole is also provided near the M.2 connector B, and a riser connector is provided at the lower end.

The above further beneficial effect is that the riser card is used as a carrier, and the purpose of setting the M.2 connector is to ensure that the positioning holes on the M.2 hard disk and the mounting holes on the riser card are accurately positioned, thereby ensuring that the M.2 hard disk is fixedly connected to the riser card.

Furthermore, the mounting hole is circular, and the diameter of the mounting hole is equal to the diameter of the semicircular positioning hole at the rear of the M.2 hard disk.

The above further beneficial effect is that the locking structure design procedure is simplified.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the structure of the front-mounted M.2 hard disk of the present invention.

FIG. 2 is a schematic diagram of the structure of the reverse side installation of an M.2 hard disk according to the present invention.

Figure 3 shows a riser assembly with M.2 hard drives installed on both sides.

FIG. 4 is a schematic structural diagram of a locking structure in one aspect.

FIG. 5 is a schematic diagram of the structure of the tail and the shaft.

FIG. 6 is a schematic diagram of the structure of the head.

FIG. 7 is a schematic structural diagram of the front side of the riser card.

FIG. 8 is a schematic diagram of the structure of the reverse side of the riser card.

Among them, the figure markings are: 1, tail; 2, shaft; 3, depression; 4, head; 5, skirt-shaped expansion portion; 6, M.2 hard disk; 7, riser card; 71, left end; 72, right end; 73, upper end; 74, lower end; 75, front; 76, back; 77, M.2 connector A; 78, M.2 connector B; 79, riser connector; 8, PCIE connector.

Detailed ways

In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

Referring to FIGS. 1 to 8 , the present invention is: a locking structure for installing an M.2 hard disk, comprising a tail portion 1, a shaft portion 2 and a head portion 4, wherein the tail portion 1 has a dome-shaped portion and a base portion under the dome-shaped portion, wherein the dome-shaped portion is mainly used to prevent damage to the circuit on the M.2 hard disk 6, wherein a base portion is provided under the dome-shaped portion, wherein the diameter of the base portion is greater than the diameter of the shaft portion 2, thereby preventing the locking structure from falling off and providing a force application point, wherein the base portion extends downward to form the shaft portion 2, wherein the main function of the shaft portion 2 is to pass through the semicircular positioning hole on the M.2 hard disk and the mounting hole on the riser card, and wherein the diameter of the shaft portion 2 is to be greater than the diameter of the shaft portion 2. The size is equal to the diameter of the mounting hole on the riser card 7, and the diameter of the semicircular positioning hole on the M.2 hard disk is equal to the diameter of the mounting hole on the riser card. An axis 2 directly passes through the positioning hole and the mounting hole, which simplifies the steps of axis design. A recess 3 is set at the junction of the axis 2 and the base. The depth of the recess 3 is equal to half of the length of the diameter of the axis 2, which corresponds exactly to the radius of the semicircular hole of the M.2 hard disk 6. The width of the recess 3 is equal to the thickness of the M.2 hard disk 6, which can ensure that the M.2 hard disk 6 is connected to the recess 3 of the axis 2, prevent the M.2 hard disk from shaking, and improve the shock resistance.

A head 4 is formed at the end of the shaft 2. A gripping point may be provided at the end of the head 4. The gripping point may be pulled so that the shaft and the skirt-shaped expansion portion in the locking structure are inserted into the positioning hole and the mounting hole. The head 4 relative to the longitudinal axis of the shaft 2 has a front edge farthest from the tail 1 and a rear edge closest to the tail 1. The front edge bends toward the rear edge to form a skirt-shaped expansion portion 5. The skirt-shaped expansion portion 5 is equivalent to the function of an expansion plug. The skirt-shaped expansion portion prevents the shaking of the M.2 hard disk during installation, so it not only improves the work efficiency and installation quality, but also greatly shortens the construction time. The skirt-shaped expansion portion 5 is centered on the longitudinal axis of the shaft 2 and is evenly distributed on the outside of the shaft 2. The evenly distributed distribution can balance the force. The front edge portion is integrally formed with the shaft 2, which can effectively prevent damage to the skirt-shaped expansion portion when it is torn, and improves the force strength. The rear edge of the head 4 is away from the outer side of the shaft 2. The locking structure is a plastic locking structure. The plastic locking mechanism is composed of polyurethane prepolymer, mixed polyether, waste tire rubber, EPDM rubber particles or PU particles, pigments, additives, and fillers. It has the characteristics of good flatness, high compressive strength, appropriate hardness and elasticity, and stable physical properties.

A riser card, the riser card 7 includes a left end 71, a right end 72, an upper end 73, a lower end 74, a front side 75 and a back side 76, an M.2 connector A77 is provided on the left end 71 of the front side 75, a mounting hole is provided near the M.2 connector A77, an M.2 connector B78 is provided on the right end 72 of the back side 76, a mounting hole is also provided near the M.2 connector B78, and a riser connector 79 is provided at the lower end 74.

The mounting hole is circular, and the diameter of the mounting hole is equal to the diameter of the semicircular positioning hole at the rear of the M.2 hard disk 6 .

The present invention uses a riser as a carrier, and installs an M.2 hard disk on each of the front and back sides of the riser card. The mounting hole at the left end of the front side corresponds to the positioning hole of the M.2 hard disk on the back side, and the mounting hole at the right end of the back side corresponds to the positioning hole of the M.2 hard disk on the front side. In order to ensure that the M.2 hard disk is flush with the riser card after installation, the M.2 hard disk is plugged together with the M.2 connector, which can play a positioning role. It can be seen from Figures 7 and 8 that there are mounting holes on the left and right ends of the riser board, and it can be concluded that the riser card can install two M.2 hard disks. It can be seen from Figures 1, 2 and 3 that the head of the locking structure in the present invention is exposed, and the head of the locking structure is used to lock the riser card and the M.2 hard disk card.

The installation method of the locking structure in the present invention is as follows:

Step 1: The process of installing the M.2 hard drive on the front of the riser;

Step 2: Insert the M.2 hard drive into M.2 connector A, making sure the M.2 hard drive is flush with the riser card;

Step 3: Insert the locking structure into the semicircular positioning hole of the M.2 hard disk on the front, half-insert the head into the mounting hole, pre-position, and rotate the locking structure so that the semicircular positioning hole contacts the end surface of the recessed part, so that the M.2 hard disk is just stuck in the recessed part;

Step 4: Pull the head so that the skirt-shaped expansion part is just stuck in the positioning hole and the installation hole;

Step 5: The process of installing the M.2 hard drive on the reverse side of the riser;

Step 6: Insert another M.2 hard drive into M.2 connector B, making sure the M.2 hard drive is flush with the riser card;

Step 7: Insert the locking structure into the semicircular positioning hole of the M.2 hard disk on the back, half-insert the head into the mounting hole, pre-position, rotate the locking structure, make the semicircular positioning hole contact the end surface of the recessed part, and make the M.2 hard disk just fit in the recessed part;

Step 8: Pull the head so that the skirt-shaped expansion part is just stuck in the positioning hole and the installation hole;

Step 9: Plug the riser assembly with M.2 hard disks inserted on both sides into the PCIE connector 8 on the motherboard through the riser to connect the M.2 hard disk to the PCIE interface of the motherboard to achieve power and signal transmission and control.

Technical features not described in the present invention can be achieved through or by adopting existing technologies and will not be described in detail here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims (4)

1. A locking structure for mounting an m.2 hard disk, wherein the m.2 hard disk uses a riser card as a carrier, the fixation and the mounting of the m.2 hard disk and the riser card are realized through the locking structure, a semicircular positioning hole is arranged on the m.2 hard disk, and a mounting hole is arranged on the riser card, the locking structure is characterized in that the locking structure comprises a tail part (1), the tail part (1) is provided with a dome-shaped part and a base part below the dome-shaped part, the base part is cylindrical, the base part extends downwards to form a shaft part (2), the diameter of the base part is larger than the diameter of the shaft part (2), the diameter of the shaft part (2) is equal to the aperture size of the mounting hole on the riser card (7), the shaft part passes through the semicircular positioning hole on the m.2 hard disk and the mounting hole on the riser card, a recess (3) is arranged at the joint of the shaft part (2) and the base part, the depth of the recess (3) is equal to one half of the diameter length of the shaft part (2), the width of the recess (3) is equal to the thickness of the shaft part (6), the shaft part (2) is formed at the end part (4) of the head part (4) and the tail part (4) is formed at the end part (4) and the end part (4) is far from the tail part (4) and the end part (4) at the end part) and the end part (4) is formed at the end part (4) and the end part (4) is far from the end part (4), the front edge is bent towards the rear edge to form a skirt-shaped expansion part (5), the skirt-shaped expansion part (5) takes the longitudinal axis of the shaft part (2) as the center, the skirt-shaped expansion parts are distributed at equal intervals outside the shaft part (2), and the skirt-shaped expansion part (5) is completely clamped into the semicircular positioning hole and the mounting hole.

2. The locking structure for mounting an m.2 hard disk of claim 1, wherein the locking structure is a plastic locking structure.

3. A riser card (7) comprising a left end (71), a right end (72), an upper end (73), a lower end (74), a front (75) and a back (76), wherein an M.2 connector A (77) is arranged on the left end (71) of the front (75), an M.2 connector B (78) is arranged on the right end (72) of the back (76) of the riser, characterized in that a mounting hole is arranged near the M.2 connector A (77), a mounting hole is also arranged near the M.2 connector B (78), a riser connector (79) is arranged on the lower end (74) of the riser card, a locking structure for mounting an M.2 hard disk according to any one of claims 1-2 is also arranged on the riser card, the process of installing the M.2 hard disk (6) on the front side of the riser card (7) is the same as the process of installing the M.2 hard disk (6) on the back side of the riser card, the process of installing the M.2 hard disk (6) on the front side of the riser card is to insert the M.2 hard disk into the M.2 connector A (77), ensure that the M.2 hard disk is flush with the riser card, insert a locking structure into a semicircular positioning hole of the M.2 hard disk (6) on the front side, semi-insert a head (4) into an installation hole for pre-positioning, rotate the locking structure to enable the semicircular positioning hole to be in contact with the end face of a dent (3), enable the M.2 hard disk to be exactly clamped in the dent, pull the head, and exactly clamp a skirt-shaped expansion part (5) into the positioning hole and the installation hole, and (3) plugging the riser components with the M.2 hard disks inserted into the front and back sides of the riser components into a PCIE connector (8) on the main board through a riser connector (79), and connecting the M.2 hard disks with a PCIE interface of the main board to realize transmission and control of power supply and signals.

4. A riser card according to claim 3, wherein the mounting holes are circular and the diameter of the mounting holes is equal to the diameter of the semicircular locating holes in the tail of the m.2 hard disk (6).