CN111615285B - High antitorque slide rail and server assembly - Google Patents
High antitorque slide rail and server assembly Download PDFInfo
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- CN111615285B CN111615285B CN202010588993.4A CN202010588993A CN111615285B CN 111615285 B CN111615285 B CN 111615285B CN 202010588993 A CN202010588993 A CN 202010588993A CN 111615285 B CN111615285 B CN 111615285B
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- 238000003860 storage Methods 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1485—Servers; Data center rooms, e.g. 19-inch computer racks
- H05K7/1488—Cabinets therefor, e.g. chassis or racks or mechanical interfaces between blades and support structures
- H05K7/1489—Cabinets therefor, e.g. chassis or racks or mechanical interfaces between blades and support structures characterized by the mounting of blades therein, e.g. brackets, rails, trays
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a high torsion resistant slide rail and server assembly, comprising: the outer rail is fixed to the first equipment at the outer side, and a middle rail groove and an outer stop bridge are arranged at the inner side of the outer rail; an inner rail fixed to the second device on the inner side, an inner stopper bridge being provided on the outer side of the inner rail; the middle rail is connected with the outer rail and the inner rail and bears the weight of second equipment, the middle rail is provided with an O-shaped closed section structure, a ball frame and a middle rail salient point, the inner rail is attached to the inner side of the middle rail in the ball frame and moves within the limit range of the inner stop bridge, and the outer rail is attached to the outer side of the middle rail under the matching of the middle rail groove and the middle rail salient point and moves within the limit range of the outer stop bridge. The invention can improve the structural strength and the torsion resistance of the sliding rail and reduce the sinking of the storage node.
Description
Technical Field
The invention relates to the field of software, in particular to a high-torsion-resistance sliding rail and a server assembly.
Background
In order to meet the capacity requirement, a server of the data center selects to increase the number of hard disks of the system, and usually adopts a scheme of most disk positions and most easy maintenance to meet the requirements of customers. When the demand of the hard disk placing space is maximized, the design impact of the tense system space and the weak strength is often caused, when the number of the system disks is small, the system disks are not easy to observe in appearance, but the weight effect of the system sinks when the number of the disks (load) is increased, so that the problem is easily identified, and the quality problem of the feedback of a client is formed.
In the prior art, three-section roller type fully-drawing type slide rails are adopted, and in a fully-drawing state of the slide rails, side slide rails are generally adopted at two sides of a case, and slide rail supports are additionally arranged at the bottom of the case, so that the effect of uniformly sharing the bearing weight is achieved.
Aiming at the problems of low structural strength, poor torsion resistance and sinking of storage nodes of a single-side sliding rail in the prior art, no effective solution is available at present.
Disclosure of Invention
In view of this, an object of the present invention is to provide a highly anti-torsion sliding rail and a server assembly, which can improve the structural strength and anti-torsion capability of the sliding rail and reduce the sinking of a storage node.
With the above objects in view, a first aspect of the embodiments of the present invention provides a high torsion resistance slide rail, including:
the outer rail is fixed to the first equipment at the outer side, and a middle rail groove and an outer stop bridge are arranged at the inner side of the outer rail;
an inner rail fixed to the second device at the inner side, an inner stopper bridge being provided at the outer side of the inner rail;
a middle rail which is connected with the outer rail and the inner rail and bears the weight of the second equipment, the middle rail is provided with an O-shaped closed section structure, a ball frame and a middle rail salient point,
the inner side of the inner rail, which is attached to the middle rail in the ball frame, moves within the limit range of the inner stop bridge, and the outer side of the outer rail, which is attached to the middle rail under the matching of the middle rail groove and the middle rail salient points, moves within the limit range of the outer stop bridge.
In some embodiments, the mid-rail is integrally formed from the O-ring closed section structure and the ball frame, and the mid-rail bump is attached to the outside of the ball frame after being integrally formed.
In some embodiments, the mid-rail includes a separate closed section O-structure and a ball structure, the closed section O-structure is formed separately, the closed section O-structure and the ball structure are connected by rivets or welding, and the mid-rail overhangs are attached to the outside of the ball structure.
In some embodiments, the central rail comprises separate O-shaped closed section structures and a ball framework, the O-shaped closed section structures are shaped by riveting or welding based on two U-shaped opening sections manufactured by rolling of blanks, the O-shaped closed section structures and the ball framework are connected by riveting or welding, and the central rail salient points are attached at the outer sides of the ball framework.
In some embodiments, the O-shaped closed section structure provides a minimum twist angle and relative subsidence for the second device at the location where the second device is moved away from the first device.
A second aspect of an embodiment of the present invention provides a server assembly, including:
a high-density storage server;
a storage node;
the outer rail is fixed to the high-density storage server on the outer side, and a middle rail groove and an outer stop bridge are arranged on the inner side of the outer rail;
an inner rail fixed to the storage node on the inner side, an inner stopper bridge being provided on the outer side of the inner rail;
a middle rail which is connected with the outer rail and the inner rail and bears the weight of the storage node, the middle rail is provided with an O-shaped closed section structure, a ball frame structure and a middle rail salient point,
the inner side of the inner rail, which is attached to the middle rail in the ball frame, moves within the limit range of the inner stop bridge, and the outer side of the outer rail, which is attached to the middle rail under the matching of the middle rail groove and the middle rail salient points, moves within the limit range of the outer stop bridge.
In some embodiments, the mid-rail is integrally formed from the O-ring closed section structure and the ball frame, and the mid-rail bump is attached to the outside of the ball frame after being integrally formed.
In some embodiments, the mid-rail comprises a separate O-ring closed-section structure and a ball framework, the O-ring closed-section structure is formed separately, the O-ring closed-section structure and the ball framework are connected by rivets or welding, and the mid-rail bump is attached on the outside of the ball framework.
In some embodiments, the middle rail comprises a separate O-shaped closed section structure and a ball framework, the O-shaped closed section structure is shaped by riveting or welding based on two U-shaped open sections manufactured by rolling of a blank, the O-shaped closed section structure and the ball framework are connected by riveting or welding, and the middle rail salient point is attached at the outer side of the ball framework.
In some embodiments, an O-shaped closed-section structure provides a minimum twist angle and relative subsidence for a storage node at a location where the storage node moves away from a high-density storage server.
The invention has the following beneficial technical effects: according to the high torsion resistance sliding rail and the server assembly provided by the embodiment of the invention, the outer rail is fixed to the first equipment at the outer side, and the inner side of the outer rail is provided with the middle rail groove and the outer stop bridge; an inner rail fixed to the second device on the inner side, an inner stopper bridge being provided on the outer side of the inner rail; the middle rail is connected with the outer rail and the inner rail and bears the weight of second equipment, the middle rail is provided with an O-shaped closed section structure, a ball frame and a middle rail convex point, the inner rail is attached to the inner side of the middle rail in the ball frame and moves within the limit range of the inner stop bridge, and the outer rail is attached to the outer side of the middle rail under the matching of a middle rail groove and the middle rail convex point and moves within the limit range of the outer stop bridge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view illustrating a closed state of a high torsion resistance sliding rail according to the present invention;
FIG. 2 is a schematic view of the high torsion resistance slide rail according to the present invention in an unfolded state;
FIG. 3 is a schematic cross-sectional view of a first embodiment of a middle rail of the high torsion resistance sliding track according to the present invention;
fig. 4 is a schematic cross-sectional view of a second embodiment of the middle rail of the high torsion resistance sliding rail provided by the invention;
fig. 5 is a schematic cross-sectional view of a third embodiment of the middle rail of the high torsion resistance sliding rail provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
In view of the above, a first aspect of the embodiments of the present invention provides an embodiment of a high torsion resistant sliding rail capable of improving the structural strength and torsion resistance of the sliding rail and reducing the sinking of a storage node. Fig. 1 and 2 are schematic structural diagrams of a high torsion resistance sliding rail provided by the invention.
The high torsion resistance sliding rail, as shown in fig. 1 and 2, comprises:
an outer rail 10 fixed to the first device at an outer side, the inner side of the outer rail 10 being provided with a middle rail groove and an outer stopper bridge;
an inner rail 20 fixed to the second device at an inner side, an inner stopper bridge being provided at an outer side of the inner rail 20;
the middle rail 30 is connected with the outer rail and the inner rail and bears the weight of second equipment, the middle rail 30 is provided with an O-shaped closed section structure, a ball frame 2 and middle rail salient points 1, an inner rail sliding surface 3, attached to the inner side of the middle rail, of the inner rail in the ball frame 2 moves within the limiting range of the inner stop bridge, and an outer rail sliding surface 4, attached to the outer side of the middle rail under the matching of the middle rail groove and the middle rail salient points 1, of the outer rail moves within the limiting range of the outer stop bridge.
In some embodiments, the middle rail is formed by integrally forming an O-shaped closed section structure and the ball frame 2, and the middle rail bump 1 is attached to the outer side of the ball frame 2 after the integral forming.
In some embodiments, the center rail comprises a separate O-shaped closed cross-section structure and a ball framework 2,O shaped closed cross-section structure, the O-shaped closed cross-section structure and the ball framework 2 are connected by rivets or welding, and the center rail bump 1 is attached on the outer side of the ball framework 2.
In some embodiments, the center rail comprises separate O-shaped closed section structures and ball framework 2,O closed section structures that are shaped by riveting or welding based on two U-shaped open sections rolled from stock, the O-shaped closed section structures and ball framework 2 are connected by riveting or welding, and the center rail salient point is attached on the outer side of the ball framework 2.
In some embodiments, the O-shaped closed section structure provides a minimum twist angle and relative subsidence for the second device at the location where the second device is moved away from the first device.
Embodiments of the present invention are further illustrated below with reference to various specific examples shown in fig. 3-5.
The three-section roller type fully-drawing slide rail can push the nodes of the case to the maximum stroke position, particularly, the high-density storage server must use the last row of hard disks, and the server is drawn to the outermost side ultra-drawing position (figure 2) by matching with the requirement of tool-free thermal maintenance, which is equal to the condition that the case is hung outside the server by 10-20 mm. When the server reaches the maintenance position, the whole chassis is completely pulled out to the design position. The inner wall of the server is locked and hung with an inner rail 20 of a slide rail, the side wall of the case is locked and attached with an outer rail of the slide rail, and the middle butt joint position completely contacts the inner rail and the outer rail section through the middle rail. According to the force conservation theorem, the middle rail of the sliding rail is the position where the stress is most concentrated and supports the whole force hung outside. The two areas of the outer rail connection area and the inner rail connection area bear two different reverse forces, which shows that the middle rail must bear three resistance strengths of bending resistance, shearing resistance and torsion resistance, and the improvement of the chassis sinking depends on the characteristics of the middle rail section and the improved three resistance capability of the material.
The sectional shape of the thin-wall rod piece can be divided into a closed section and an open section, and the sectional characteristics of the thin-wall rod piece and the open section have large differences. For example, for a closed section, the torsional moment of inertia Jk =4As × Asxt/s, where As is the area enclosed by the center line of the thickness of the plate material, and is visible, the perimeter s of the center line is constant, the thickness t of the material is constant, the torsional inertia k is proportional to the square of As, and the size of the enclosed area is important. In the rectangular section, the square has the highest torsion resistance, and when the ratio h/b of two sides of the rectangle is greater than 2, the torsion rigidity is obviously reduced.
The scheme of the embodiment is shown in figure 3. Aiming at the section of the middle rail, an aluminum extrusion method can be adopted to extrude the required length to be directly formed integrally, and then the required length is placed on a production line to be processed and cut into required openings, screw lines are added and the like.
Scheme two is shown in figure 4. Two U-shaped sections are manufactured by rolling the blank, and the two U-shaped sections are assembled together through post-processing such as welding or riveting to form the effect of a closed section.
Scheme three is shown in figure 5. The ball framework and the closed section can be manufactured separately, the manufacturing cost is reduced, and then the ball framework and the closed section are combined into the middle rail framework in a riveting mode.
As can be seen from the above embodiments, the high torsion resistance sliding rail provided by the embodiments of the present invention is fixed to the outer rail of the first device on the outer side, and the inner side of the outer rail is provided with the middle rail groove and the outer stop bridge; an inner rail 20 fixed to the second device at an inner side, an inner stopper bridge being provided at an outer side of the inner rail; the middle rail is connected with the outer rail and the inner rail and bears the weight of second equipment, the middle rail is provided with an O-shaped closed section structure, a ball framework 2 and middle rail salient points 1, the inner rail moves in a limit range of an inner stop bridge in the ball framework 2 in a manner of being attached to the inner side of the middle rail, and the outer rail moves in a limit range of an outer stop bridge in a manner of being attached to the outer side of the middle rail under the cooperation of a middle rail groove and the middle rail salient points 1.
In view of the above, a second aspect of the embodiments of the present invention provides an embodiment of a server assembly capable of improving the structural strength and the torsion resistance of a sliding rail and reducing the sinking of a storage node. The server assembly includes:
a high-density storage server;
a storage node;
the outer rail is fixed to the high-density storage server on the outer side, and a middle rail groove and an outer stop bridge are arranged on the inner side of the outer rail;
the inner side of the inner rail is fixed to the inner rail of the storage node, and an inner stop bridge is arranged on the outer side of the inner rail;
the middle rail is connected with the outer rail and the inner rail and bears the weight of the storage node, the middle rail is provided with an O-shaped closed section structure, a ball framework 2 and middle rail salient points 1, the inner rail moves within the limit range of an inner stop bridge in the ball framework 2 in a manner of being attached to the inner side of the middle rail, and the outer rail moves within the limit range of an outer stop bridge in a manner of being attached to the outer side of the middle rail under the cooperation of a middle rail groove and the middle rail salient points 1.
In some embodiments, the middle rail is formed by integrally forming an O-shaped closed section structure and the ball frame 2, and the middle rail bump 1 is attached to the outer side of the ball frame 2 after the integral forming.
In some embodiments, the center rail comprises a separate O-shaped closed cross-section structure and a ball framework 2,O shaped closed cross-section structure, the O-shaped closed cross-section structure and the ball framework 2 are connected by rivets or welding, and the center rail bump 1 is attached on the outer side of the ball framework 2.
In some embodiments, the center rail comprises separate O-shaped closed section structures and ball frame 2,O closed section structures that are shaped by riveting or welding based on two U-shaped open sections rolled from stock, the O-shaped closed section structures and ball frame 2 are connected by riveting or welding, and the center rail bump 1 is attached on the outside of the ball frame 2.
In some embodiments, the O-shaped closed-section structure provides a minimum twist angle and relative subsidence for the storage node at locations where the storage node moves away from the high-density storage server.
As can be seen from the above embodiments, the server assembly provided by the embodiments of the present invention is fixed to the outer rail of the first device on the outside, and the inner side of the outer rail is provided with the middle rail groove and the outer stop bridge; an inner rail fixed to the second device at the inner side, an inner stopper bridge being provided at the outer side of the inner rail; the middle rail is connected with the outer rail and the inner rail and bears the weight of second equipment, the middle rail is provided with an O-shaped closed section structure, a ball framework 2 and middle rail salient points 1, the inner rail moves in a limited range of an inner stop bridge in the ball framework 2 in a manner of being attached to the inner side of the middle rail, and the outer rail moves in a limited range of an outer stop bridge in a manner of being attached to the outer side of the middle rail under the cooperation of a middle rail groove and the middle rail salient points 1.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items. The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant only to be exemplary, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the framework of embodiments of the invention, also combinations between technical features of the above embodiments or different embodiments are possible, and there are many other variations of the different aspects of the embodiments of the invention described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (6)
1. A high torque resistant sliding rail, comprising:
an outer rail fixed to the first device at an outer side, the inner side of the outer rail being provided with a middle rail groove and an outer stopper bridge;
an inner rail fixed to the second device at an inner side, an inner stopper bridge being provided at an outer side of the inner rail;
the middle rail is connected with the outer rail and the inner rail and bears the weight of the second equipment, and is provided with an O-shaped closed section structure, a ball framework and a middle rail salient point;
the inner rail is attached to the inner side of the middle rail in the ball framework and moves within the limit range of the inner stop bridge, and the outer rail is attached to the outer side of the middle rail under the matching of the middle rail groove and the middle rail salient point and moves within the limit range of the outer stop bridge;
the outer rail and the middle rail are both U-shaped structures, the middle rail is embedded in the U-shaped structure formed by the outer rail, and the inner rail is embedded in the U-shaped structure formed by the middle rail;
the middle rail comprises the O-shaped closed section structure and the ball framework which are independent, the O-shaped closed section structure is formed independently, the O-shaped closed section structure and the ball framework are connected through rivets or welding, and the middle rail salient point is attached to the outer side of the ball framework.
2. A high torque resistant sliding rail, comprising:
an outer rail fixed to the first device at an outer side, the inner side of the outer rail being provided with a middle rail groove and an outer stopper bridge;
an inner rail fixed to the second device at an inner side, an inner stopper bridge being provided at an outer side of the inner rail;
the middle rail is connected with the outer rail and the inner rail and bears the weight of the second equipment, and the middle rail is provided with an O-shaped closed section structure, a ball framework and a middle rail convex point;
the inner rail is attached to the inner side of the middle rail in the ball framework and moves within the limit range of the inner stop bridge, and the outer rail is attached to the outer side of the middle rail under the matching of the middle rail groove and the middle rail salient points and moves within the limit range of the outer stop bridge;
the outer rail and the middle rail are both U-shaped structures, the middle rail is embedded in the U-shaped structure formed by the outer rail, and the inner rail is embedded in the U-shaped structure formed by the middle rail;
the middle rail comprises the O-shaped closed section structure and the ball framework which are independent, the O-shaped closed section structure is formed by riveting or welding based on two U-shaped opening sections manufactured by rolling blank materials, the O-shaped closed section structure and the ball framework are connected by riveting or welding, and the middle rail salient points are attached to the outer side of the ball framework.
3. The slide rail according to claim 1 or 2, wherein the ratio of the two sides of the O-shaped closed cross-section structure is between 0.5 and 2.
4. A server assembly, comprising:
a high-density storage server;
a storage node;
an outer rail fixed to the high-density storage server at an outer side, the inner side of the outer rail being provided with a middle rail groove and an outer stopper bridge;
an inner rail fixed to the storage node at an inner side, an inner stopper bridge being provided at an outer side of the inner rail;
a middle rail which is connected with the outer rail and the inner rail and bears the weight of the storage node, the middle rail is provided with an O-shaped closed section structure, a ball framework and a middle rail salient point,
the inner rail is attached to the inner side of the middle rail in the ball framework and moves within the limit range of the inner stop bridge, and the outer rail is attached to the outer side of the middle rail under the matching of the middle rail groove and the middle rail salient point and moves within the limit range of the outer stop bridge;
the outer rail and the middle rail are both U-shaped structures, the middle rail is embedded in the U-shaped structure formed by the outer rail, and the inner rail is embedded in the U-shaped structure formed by the middle rail;
the middle rail comprises the O-shaped closed section structure and the ball framework which are independent, the O-shaped closed section structure is formed independently, the O-shaped closed section structure and the ball framework are connected through rivets or welding, and the middle rail salient points are attached to the outer side of the ball framework.
5. A server assembly, comprising:
a high-density storage server;
a storage node;
an outer rail fixed to the high-density storage server at an outer side, the inner side of the outer rail being provided with a middle rail groove and an outer stopper bridge;
an inner rail fixed to the storage node at an inner side, an inner stopper bridge being provided at an outer side of the inner rail;
a middle rail which is connected with the outer rail and the inner rail and bears the weight of the storage node, the middle rail is provided with an O-shaped closed section structure, a ball framework and a middle rail salient point,
the inner rail is attached to the inner side of the middle rail in the ball framework and moves within the limit range of the inner stop bridge, and the outer rail is attached to the outer side of the middle rail under the matching of the middle rail groove and the middle rail salient point and moves within the limit range of the outer stop bridge;
the outer rail and the middle rail are both U-shaped structures, the middle rail is embedded in the U-shaped structure formed by the outer rail, and the inner rail is embedded in the U-shaped structure formed by the middle rail;
the middle rail comprises the independent O-shaped closed section structure and the ball framework, the O-shaped closed section structure is formed by riveting or welding based on two U-shaped opening sections manufactured by rolling of blanks, the O-shaped closed section structure and the ball framework are connected by riveting or welding, and the middle rail salient point is attached to the outer side of the ball framework.
6. The server assembly according to claim 4 or 5, wherein the ratio of the two sides of the O-shaped closed cross-section structure is between 0.5 and 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588993.4A CN111615285B (en) | 2020-06-24 | 2020-06-24 | High antitorque slide rail and server assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588993.4A CN111615285B (en) | 2020-06-24 | 2020-06-24 | High antitorque slide rail and server assembly |
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| CN111615285A CN111615285A (en) | 2020-09-01 |
| CN111615285B true CN111615285B (en) | 2022-11-15 |
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