M2hard disk fastener capable of being disassembled and assembled without tool

Abstract

The utility model relates to the technical field of electronics, in particular to a tool-free disassembly and assembly fastener for an M2 hard disk, which comprises a cylinder, an annular inverted buckle, a stopper rod, a pressing sheet and an elastic arm, the annular inverted buckle is arranged at one end of the cylinder, the elastic arm is connected with the side wall of the cylinder and the side wall of the stopper rod, and the rotating center line of the annular inverted buckle is the same as the rotating center line of the cylinder. The stopper rod and the annular inverted buckle are arranged on the two sides of the elastic arm respectively, the pressing piece and the elastic arm are both in a sheet shape, the thickness of the pressing piece is larger than that of the elastic arm, the pressing piece and the elastic arm are arranged on the opposite sides of one end of the stopper rod respectively, an open groove is formed in the middle of the annular inverted buckle, the stopper rod can be inserted into an inner hole of the cylinder, and a semicircular top step is arranged at one end of the cylinder. According to the utility model, the top step is arranged, and the PCB of the hard disk can be clamped and fixed by the top step and the stopper rod cover, so that the requirement of tool-free disassembly and assembly is met, and quick disassembly and assembly of the M2 hard disk are simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of electronics, and in particular to a buckle for tool-free disassembly and assembly of an M2 hard disk. Background Art

[0002] With the development of computer technology, people's requirements for data processing, reading and writing speeds have been further improved; different from traditional mechanical hard disks, solid-state hard disks have a smaller size and faster data transmission speed, and are naturally more popular with consumers; and hard disk boxes derived from solid-state hard disk interfaces can connect solid-state hard disks to computers externally through data cables, thereby achieving high-speed data transmission, and are also deeply loved by consumers: in existing M2 solid-state hard disk boxes, one end of the M2 solid-state hard disk is plugged into an interface on the motherboard, and the other end is fixed by fixing screws, so that the M2 solid-state hard disk is fit and fixed on the motherboard, but the connection by fixing screws must be assisted by external tools to achieve disassembly and installation, which is very inconvenient for the removal, replacement and installation of the M2 solid-state hard disk. Therefore, there is an urgent need for a solid-state hard disk box with a more reasonable structure to enable the M2 solid-state hard disk to be quickly disassembled and assembled in the hard disk box without screws.

[0003] There are similar products on the market, but the front end of the bracelet has a large arc, which limits the production cost and the scope of use. The utility model has multiple specifications available in one piece, and different specifications only need to be broken off the unnecessary specifications; the semicircular limiter has better limit; the front end adopts a square strip shape to reduce interference in use and reduce production costs. Utility Model Content

[0004] In order to solve the problems in the above-mentioned background technology, the utility model provides a tool-free disassembly and assembly fastener for M2 hard disk, which is used for disassembly and installation of M2 hard disk, and solves the problem of requiring tools for quick disassembly and installation in the prior art.

[0005] The solution adopted by the utility model to solve its technical problems is: a tool-free disassembly and assembly clamp for M2 hard disk, comprising a cylinder, an annular undercut, a plug rod for plugging the inner hole of the cylinder, a pressing sheet for pressing the hard disk, and an elastic arm for bending, wherein the annular undercut is arranged at one end of the cylinder, the elastic arm is connected to the side wall of the cylinder and the side wall of the plug rod, the pressing sheet is connected to the plug rod, the rotation center line of the annular undercut is the same as the rotation center line of the cylinder, the plug rod and the annular undercut are respectively arranged on both sides of the elastic arm, the pressing sheet and the elastic arm are both sheet-shaped and the thickness of the pressing sheet is greater than the thickness of the elastic arm, the pressing sheet and the elastic arm are respectively arranged on opposite sides of one end of the plug rod, an open groove is arranged in the middle of the annular undercut, the elastic arm can be bent so that the plug rod can be inserted into the inner hole of the cylinder, and a semicircular top step is arranged at one end of the cylinder.

[0006] In the above structure, the end surface of the cylinder connected to the annular undercut is flush with the end surface of the elastic arm.

[0007] In the above structure, the pressing piece is waist-shaped, and the pressing piece is perpendicular to the rotation center line of the stopper rod.

[0008] In the above structure, a semicircular middle step is arranged in the middle of the cylinder.

[0009] In the above structure, a semicircular middle groove is arranged in the middle of the middle step.

[0010] The above structure also includes a stopper rod cover, which is arranged at the connection between the pressing sheet and the elastic arm. The stopper rod cover is arranged at one end of the stopper rod, and the rotation center line of the stopper rod is parallel to the rotation center line of the cylinder.

[0011] In the above structure, a necking portion is provided at the connection between the stopper rod cover and the stopper rod.

[0012] A fastener for tool-free disassembly and assembly of an M2 hard disk comprises a cylinder, an annular undercut, a plug rod for plugging the inner hole of the cylinder, a pressing sheet for pressing the hard disk, and an elastic arm for bending, wherein the annular undercut is arranged at one end of the cylinder, the elastic arm is connected to the side wall of the cylinder and the side wall of the plug rod, the pressing sheet is connected to the plug rod, the rotation center line of the annular undercut is the same as the rotation center line of the cylinder, the plug rod and the annular undercut are respectively arranged on both sides of the elastic arm, the pressing sheet and the elastic arm are both sheet-shaped and the thickness of the pressing sheet is greater than the thickness of the elastic arm, the pressing sheet and the elastic arm are respectively arranged on the opposite sides of one end of the plug rod, the elastic arm can be bent so that the plug rod can be inserted into the inner hole of the cylinder, and a semicircular middle step is arranged in the middle of the cylinder.

[0013] In the above structure, the inner hole of the cylinder extends to the buckle position of the annular undercut.

[0014] In the above structure, the stopper rod and the inner hole of the cylinder are in interference fit.

[0015] The beneficial effects of the utility model are as follows: by setting the top step, the top step and the plug rod cover can clamp and fix the PCB board of the hard disk, thereby achieving the requirement of tool-free quick disassembly and assembly, simplifying the quick disassembly and installation of the M2 hard disk, and facilitating the production of computers. By setting the top step and the middle step, multiple specifications can be used in one body, and different specifications only need to be broken off the unnecessary specifications.

[0016] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional diagram of the utility model;

[0018] Figure 2 A three-dimensional diagram of the present invention from another angle;

[0019] Figure 3 It is a cross-sectional view of the utility model.

[0020] In the figure: 1, cylinder; 2, annular undercut; 3, stopper rod; 4, pressing piece; 5, elastic arm; 6, opening groove; 7, top step; 8, middle groove; 9, stopper rod cover; 10, necking part; 11, buckle position; 12, inner hole; 13, middle step. DETAILED DESCRIPTION

[0021] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0022] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0023] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0024] Referring to the accompanying drawings, a tool-free disassembly and assembly clamp for an M2 hard disk comprises a cylinder 1, an annular undercut 2, a plug rod 3 for plugging the inner hole of the cylinder 1, a pressing piece 4 for pressing the hard disk, and an elastic arm 5 for bending, wherein the annular undercut 2 is arranged at one end of the cylinder 1, the elastic arm 5 is connected to the side wall of the cylinder 1 and the side wall of the plug rod 3, the pressing piece 4 is connected to the plug rod 3, the rotation center line of the annular undercut 2 is the same as the rotation center line of the cylinder 1, the rotation center line of the plug rod 3 is parallel to the rotation center line of the cylinder 1, and the plug rod 3 is parallel to the rotation center line of the cylinder 1. 3. The annular undercuts 2 are respectively arranged on both sides of the elastic arm 5. The pressing sheet 4 and the elastic arm 5 are both sheet-shaped and the thickness of the pressing sheet 4 is greater than that of the elastic arm 5. The pressing sheet 4 and the elastic arm 5 are respectively arranged on the opposite sides of one end of the plug rod 3. An open groove 6 is arranged in the middle of the annular undercut 2 to facilitate the insertion of the annular undercut 2. The elastic arm 5 can be bent so that the plug rod 3 can be inserted into the inner hole 12 of the cylinder 1 so that the pressing sheet 4 can press the hard disk. A semicircular top step 7 is arranged at one end of the cylinder 1 to match the PCB board of the hard disk.

[0025] Furthermore, the end surface of the cylinder 1 connected to the annular undercut 2 is flush with the end surface of the elastic arm 5 .

[0026] Furthermore, the pressing piece 4 is waist-shaped, and the pressing piece 4 is perpendicular to the rotation center line of the stopper rod 3 .

[0027] Furthermore, a semicircular middle step 13 is provided in the middle of the cylinder 1 to facilitate engagement with the PCB board of the hard disk.

[0028] Furthermore, a semicircular middle groove 8 is provided in the middle of the middle step 13 so that the middle step 13 can be opened to allow the PCB board of the hard disk to be inserted.

[0029] Furthermore, it also includes a stopper rod cover 9, which is arranged at the connection between the pressing sheet 4 and the elastic arm 5, and the stopper rod cover 9 is arranged at one end of the stopper rod 3.

[0030] Furthermore, a necking portion 10 is provided at the connection between the stopper rod cover 9 and the stopper rod 3 so that the stopper rod cover 9 can be deformed appropriately relative to the stopper rod 3 .

[0031] Furthermore, the thickness of the stopper rod cover 9 is greater than the thickness of the pressing sheet 4 .

[0032] Furthermore, the inner hole 12 of the cylinder 1 extends to the buckle position 11 of the annular undercut 2 so that the stopper rod 3 prevents the annular undercut 2 from falling out.

[0033] Furthermore, the stopper rod 3 and the inner hole 12 of the cylinder 1 are in interference fit.

[0034] The utility model provides a top step 7. The top step 7 and the plug rod cover 9 can clamp the PCB board of the hard disk to fix it, so as to meet the requirements of tool-free quick disassembly and assembly, simplify the quick disassembly and installation of the M2 hard disk, and facilitate the production of computers. By providing the top step 7 and the middle step 13, multiple specifications can be used in one body, and different specifications only need to break off the unnecessary specifications. The top step 7 and the middle step 13 each correspond to one specification, and the top step 7 and the middle step 13 are another specification. The elastic arm 5 can be bent so that the plug rod 3 can be inserted into the inner hole 12 of the cylinder 1 so that the pressing plate 4 can press the hard disk. The top step 7 and the pressing plate 4 can clamp and press the hard disk, and the middle step 13 can also clamp and press the hard disk.

[0035] Specifically, it has the following beneficial effects:

[0036] 1. By setting the top step 7, the top step 7 and the plug cover 9 can clamp the PCB board of the hard disk to fix it, so as to achieve the tool-free disassembly and assembly requirements, simplify the disassembly and installation of the M2 hard disk, and facilitate the production of computers;

[0037] 2, extending through the inner hole 12 of the cylinder 1 to the buckle position 11 of the annular undercut 2, so that the stopper rod 3 prevents the annular undercut 2 from falling out;

[0038] 3. An opening groove 6 is provided in the middle of the annular undercut 2, which makes it easier to insert the annular undercut 2. The opening groove 6 allows space for the annular undercut 2 to be inserted, so that the annular undercut 2 can be inserted easily.

[0039] 4. A semicircular middle groove 8 is provided in the middle of the middle step 13, so that the middle step 13 can be opened to allow the PCB board of the hard disk to be inserted, and the semicircular limit is better.

[0040] 5. The pressing sheet 4 is set into a waist shape and a square strip shape is adopted to reduce interference in use and reduce production costs;

[0041] 6. By setting the top step 7 and the middle step 13, multiple specifications can be used in one body. Different specifications can be obtained by simply breaking off the unnecessary specifications.

[0042] The embodiments described above are only preferred implementation modes of the present utility model and cannot be used to limit the protection scope of the present utility model. Any non-substantial changes and modifications made by technicians in this field on the basis of the utility model shall fall within the protection scope of the present utility model.

Claims

1. A tool-free M2 hard disk disassembly and assembly fastener, characterized by: It includes a cylinder, an annular undercut, a stopper rod for plugging the inner hole of the cylinder, a pressing sheet for pressing the hard disk, and an elastic arm for bending, wherein the annular undercut is arranged at one end of the cylinder, the elastic arm is connected to the side wall of the cylinder and the side wall of the stopper rod, the pressing sheet is connected to the stopper rod, the rotation center line of the annular undercut is the same as the rotation center line of the cylinder, the stopper rod and the annular undercut are respectively arranged on both sides of the elastic arm, the pressing sheet and the elastic arm are both sheet-shaped and the thickness of the pressing sheet is greater than the thickness of the elastic arm, the pressing sheet and the elastic arm are respectively arranged on the opposite sides of one end of the stopper rod, the elastic arm can be bent so that the stopper rod can be inserted into the inner hole of the cylinder, and a semicircular top step is arranged at one end of the cylinder.

2. The buckle according to claim 1, characterized in that: A semicircular middle step is arranged in the middle of the cylinder.

3. A tool-free M2 hard disk disassembly and assembly fastener, characterized in that: It comprises a cylinder, an annular undercut, a stopper rod for plugging the inner hole of the cylinder, a pressing sheet for pressing the hard disk, and an elastic arm for bending, wherein the annular undercut is arranged at one end of the cylinder, the elastic arm is connected to the side wall of the cylinder and the side wall of the stopper rod, the pressing sheet is connected to the stopper rod, the rotation center line of the annular undercut is the same as the rotation center line of the cylinder, the stopper rod and the annular undercut are respectively arranged on both sides of the elastic arm, the pressing sheet and the elastic arm are both sheet-shaped and the thickness of the pressing sheet is greater than the thickness of the elastic arm, the pressing sheet and the elastic arm are respectively arranged on the opposite sides of one end of the stopper rod, the elastic arm can be bent so that the stopper rod can be inserted into the inner hole of the cylinder, and a semicircular middle step is arranged in the middle of the cylinder.

4. The buckle according to claim 2 or 3, characterized in that: A semicircular middle groove is arranged in the middle of the middle step.

5. The buckle according to claim 1 or 3, characterized in that: The end surface of the cylinder connected to the annular undercut is flush with the end surface of the elastic arm.

6. The buckle according to claim 1 or 3, characterized in that: The pressing piece is waist-shaped and is perpendicular to the rotation center line of the stopper rod.

7. The buckle according to claim 1 or 3, characterized in that: It also includes a stopper rod cover, which is arranged at the connection between the pressing sheet and the elastic arm, and the stopper rod cover is arranged at one end of the stopper rod. The rotation center line of the stopper rod is parallel to the rotation center line of the cylinder, and a necking portion is arranged at the connection between the stopper rod cover and the stopper rod.

8. The buckle according to claim 1 or 3, characterized in that: The inner hole of the cylinder extends to the buckle position of the annular undercut.

9. The buckle according to claim 1 or 3, characterized in that: An open groove is arranged in the middle of the annular undercut.

10. The buckle according to claim 3, characterized in that: A semicircular top step is provided at one end of the cylinder.

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