Server sliding rail capable of stretching out and drawing back orderly

Abstract

The invention discloses a telescopic and orderly server slide rail which is simple in structure, not prone to being blocked when bearing a server, good in telescopic performance, good in practical efficiency of the slide rail and high in installation compatibility. The sliding rail comprises a middle sliding rail body and an inner sliding rail body which are sequentially embedded in an outer sliding rail body and connected in a sliding mode, the outer sliding rail body is a fixed rail body, the inner sliding rail body and the middle sliding rail body are arranged in the outer sliding rail body in a retreating mode in sequence, an installation frame and an installation base are installed on the side face of the outer sliding rail body in parallel, and a protection base covers the surface of the installation base in a staggered mode. The device is characterized in that the installation frame, the installation base and the protection base form a sliding rail installation fixing base, sliding rail installation mechanisms are arranged at the two ends of the sliding rail installation fixing base correspondingly, sequence lock mechanisms are arranged on the outer sliding rail, the middle sliding rail and the inner sliding rail correspondingly to stretching and retracting of the sliding rails, and the sliding rails moving through the sequence lock mechanisms can retreat and advance in sequence.

Description

Technical Field

[0001] The invention relates to the technical field of slide rails for servers, and in particular to a telescopic and orderly server slide rail. Background Art

[0002] A server is a high-performance computer in a computer network environment, which is specially used to manage resources and provide services to other computers on the network. A server rail, also known as a server guide rail, is a key component in a server chassis or cabinet for supporting and sliding the server. It enables the server to slide in and out of the cabinet smoothly, which is convenient for the installation, maintenance and replacement of the server. Server rails usually have a variety of types and specifications to accommodate servers of different sizes and weights. Common types include three-section rails. A three-section rail device usually includes an outer rail (fixed rail), a middle rail and an inner rail. Existing three-section rails, such as a server with a sequential motion, are shown in the announcement number CN102781197A. The three-section slide rail has a slide groove on the middle slide rail, a positioning piece is arranged in the slide groove, one end of the positioning piece is a first blocking part and the other end is a second blocking part, an outer rail locking protrusion is arranged on the outer slide rail, an outer rail locking stop point is formed on the inner side of the outer rail locking protrusion, and an outer rail unlocking protrusion forms an outer rail arc-shaped unlocking surface, an inner rail locking protrusion is arranged on the inner slide rail, an inner rail locking stop point is formed on the inner side of the inner rail locking protrusion, and an inner rail unlocking protrusion is also arranged on the inner slide rail, and the inner rail unlocking protrusion forms an inner rail arc-shaped unlocking surface. Its structure is complex, and its telescopic performance deteriorates when used on a load-bearing server, and it is prone to jamming, and its practical efficiency is poor. It can only be installed through a fixed-size mounting hole, and its installation compatibility is also poor. Summary of the invention

[0003] In view of the shortcomings of the existing three-section slide rail, which has a complex structure, poor slide rail telescopic performance when carrying a server, is prone to jamming, and has poor installation compatibility, the present invention provides a server slide rail with orderly telescopic performance, which has a simple structure, is not prone to jamming when carrying a server, has good telescopic performance, has good practical efficiency, and has strong installation compatibility.

[0004] The present invention provides the following technical solutions: It includes a middle slide rail and an inner slide rail which are sequentially embedded in the outer slide rail and are slidably connected. The outer slide rail is a fixed rail. Inside the outer slide rail, the inner slide rail and the middle slide rail are arranged to retreat in sequence. A mounting frame and a mounting seat are installed in parallel on the side of the outer slide rail. A protective seat is staggered and covered on the surface of the mounting seat. It is characterized in that: the mounting frame, the mounting seat and the protective seat form a slide rail mounting fixed seat, and slide rail mounting mechanisms are arranged at both ends of the slide rail mounting fixed seat. Corresponding to the extension and retraction of the slide rails, the outer slide rail, the middle slide rail and the inner slide rail are all provided with a sequential locking mechanism, and the slide rails moving through the sequential locking mechanism can maintain sequential retreat.

[0005] It is further characterized by: The sequential locking mechanism comprises a linked locking block, a sequential locking block and a sequential block, wherein the linked locking block and the sequential locking block are respectively arranged at the rear ends of the inner slide rail and the middle slide rail, the linked locking block is in the shape of a right-angled triangle, the head of the sequential locking block is shaped like a bird's head, and a bird's beak groove is opened on the head, and a sequential clamping block is arranged at the tail of the sequential locking block, and the linked locking block is inserted into the bird's beak groove and can be hooked in two directions. The linked locking block is fixedly installed on the inner slide rail, and the sequential locking block is rotatably connected with the middle slide rail through a mounting pin. A limiting monofilament is arranged at the rear of the sequential locking block, and the tail of the limiting monofilament is installed on the middle slide rail, and its head hooks the sequential clamping block. When the slide rail is fully unfolded, a sequential block is installed on the outer side of the sequential locking block, and the outer slide rail is provided with a sequential block, and the sequential block is arranged in a double peak with a first guide head and a second limiting head, the first guide head is an arc peak head, and the second limiting head is a flat peak head, and the sequential clamping block is located between the first guide head and the second limiting head to form a sequential lock; The slide rail mounting mechanism comprises a small-hole mounting column, a middle-hole mounting column, a large-hole hollow mounting column, a double-head fixing bracket, a rectangular connecting plate and a mounting bracket, the rectangular connecting plate is inserted into the protective seat and is fixedly connected to the protective seat through bolts, the double-head fixing bracket is installed on the rectangular connecting plate and the mounting bracket, the double-head fixing bracket, the rectangular connecting plate and the mounting bracket all constitute a mounting frame for the mounting column, the large-hole hollow mounting column is installed on the inner wall of the mounting frame, a hollow mounting column is arranged inside the large-hole hollow mounting column, the middle-hole mounting column and the large-hole hollow mounting column are sleeved, the small-hole mounting column passes through the middle-hole mounting column and is fixedly connected thereto, a compression spring is arranged behind the large-hole hollow mounting column, the small-hole mounting column passes through the inner wall of the mounting frame and is inserted into the inner wall of the other side, and a compression spring is arranged on its column body, and behind the double-head fixing bracket, the rectangular connecting plate is installed with a center connecting plate, and the center connecting plate is installed with a fixing bracket; A locking block is provided at the middle part of the inner slide rail, and the tail end of the locking block is rotatably connected with the inner slide rail through a mounting pin, the locking block is provided with a bottom groove and a top groove, and a waist-shaped hole is provided at the middle part, and the limit pin is inserted into the waist-shaped hole, and the locking block and the inner slide rail are tightly fitted, and the limit pin limits the maximum rotation of the locking block, and the inner slide rail is provided with a mounting groove near the limit pin, and a locking spring is provided in the mounting groove, one end of the locking spring is connected to the inner slide rail, and the other end is inserted into the bottom groove of the locking block, and a sliding seat is provided between the linked lock block and the locking block, and the side plates on both sides of the sliding seat are provided with balls, and the sliding seat and the inner slide rail are sleeved; A fixed stop block is installed on the middle slide rail near the sequential locking block, a limit stop frame is installed on the front end of the middle slide rail, and a locking fixed block is installed near the upper slide groove, and the slide grooves at the rear end thereof are embedded with the limit guide slider, and the locking fixed block is adapted to the top groove of the locking block; In front of the sequence block, a limited motion block is installed on the outer slide rail, and a limited stop block is installed in the front end slide groove of the outer slide rail. Behind the limit block, a slide bar is set in the slide groove of the outer slide rail, and the slide bar is evenly distributed with balls. The length of the slide bar is determined by the spacing between the limit block and the limit guide slider when the slide rail is fully extended.

[0006] In the above technical solution, the technical effects and advantages provided by the present invention are: When carrying a server, the sequential locking mechanism enables the inner and middle slide rails to move synchronously from the outer slide rails. When the middle slide rail stops moving, the inner slide rail can continue to move to the maximum stroke. When the slide rails are retracted, the sequential locking mechanism can retract the inner slide rail into the middle slide rail. The inner and middle slide rails keep moving synchronously until they are completely retracted into the outer slide rails. The structure is simple, the telescopic performance of the slide rails is not affected when carrying a server, and the practical efficiency of the slide rails is improved. When the slide rail is unfolded: the sequential locking block and the interlocking locking block in the sequential locking mechanism are hooked, the inner slide rail and the middle slide rail can keep synchronous movement and slide out of the outer slide rail, the sequential locking block moves to the sequential block, the sequential clamping block will be lifted by the first guide head of the sequential block, the sequential locking block will rotate, the sequential locking block and the interlocking locking block will be in a loose connection state, until the sequential clamping block moves to the peak of the first guide head, the sequential locking block and the interlocking locking block will be disconnected, the sequential clamping block will be stuck in the first guide head and the second limit head, the sequential locking block and the sequential block form a sequential lock, the middle slide rail stops moving forward, and the inner slide rail continues to move forward; The fixed block and the limit block further limit the forward movement of the middle slide rail, and the limit block of the outer slide rail limits the slide bar in the slide groove, ensuring that the middle slide rail can accurately stop at the limit point when the slide rail is loaded; The inner slide rail relies on the sliding seat to move inside the middle slide rail. The limiting frame at the front end of the middle slide rail can limit the movement of the sliding seat of the inner slide rail, and the locking block on the middle slide rail will clamp the locking block along the irregular arc surface of the locking block to make it rotate. The locking block enters the top groove of the locking block, and the inner slide rail will be limited and stopped and cannot move forward.

[0007] When the slide rail is retracted: the interlocking lock block in the sequential lock structure will squeeze the sequential lock block, and the sequential lock block will drive the sequential clamping block to rotate until the interlocking lock block is squeezed into the sequential groove of the sequential lock block, and the sequential lock block and the interlocking lock block form a reverse hook connection, and the inner slide rail will be completely retracted into the middle slide rail until it is reset in the outer slide rail; The sequential locking block and the sequential locking block form a sequential lock, and the middle slide rail will be locked and cannot move backward; The locking block is inserted into the locking block, and the inner slide rail cannot move backward. The locking block is turned, and the locking block rotates, and the inner slide rail enters a retractable state until the locking block and the locking block are disengaged, and the locking spring pushes the locking block to reset it; The setting of the limiting single wire enables the rotating sequential locking blocks to be reset in time.

[0008] Slide rail installation: The large-hole hollow mounting column in the slide rail installation mechanism can be directly installed on the server cabinet as a mounting column. When the large-hole hollow mounting column cannot be adapted, the large-hole hollow mounting column is squeezed to make it retreat. The middle hole can be used as a mounting column for installation. The large-hole hollow mounting column can be used as a fixed pressure piece due to the spring squeezing effect. The small-hole mounting column can be directly used as a mounting column when the center hole mounting column cannot be used. The slide rail installation mechanism enables the slide rail mounting base to be applicable to a variety of cabinet installations, making it highly compatible with installation. The fixing bracket can make the slide rail mounting base be more stably fixed on the server cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The main view of the overall structure of the present invention is unfolded; Figure 2 It is a rear view of the overall structure of the present invention; Figure 3 It is a collapsed front view of the overall structure of the present invention; Figure 4 It is a collapsed rear view of the overall structure of the present invention; Figure 5 It is a schematic diagram of the inner slide rail of the present invention; Figure 6 It is an enlarged schematic diagram of the local structure of the inner slide rail of the present invention; Figure 7 It is a schematic diagram of the structure of the middle slide rail of the present invention; Figure 8 This is a front view of the outer slide rail structure of the present invention; Fig. 9 It is a rear view of the outer slide rail structure of the present invention; Fig.10 It is a schematic diagram of the connection structure of the rectangular connecting plate and the outer slide rail of the present invention; Fig.11 It is a schematic diagram of the sequential lock block and sequential block structure of the present invention; Fig.12 It is a schematic diagram of the rectangular connecting plate structure of the present invention; Fig.13 It is an exploded view of the rectangular connecting plate structure of the present invention; Fig.14 An exploded view of the mounting column structure of the present invention; Fig.15 It is a schematic diagram of the locking block structure of the present invention; Description of reference numerals: 1. Inner slide rail; 11. Linked locking block; 12. Locking block; 13. Locking spring; 14. Limit pin; 15. Slide seat; 2. Middle slide rail; 21. Sequential locking block; 211. Sequential slot; 212. Sequential clamping block; 22. Limiting monofilament; 23. Fixed stop block; 24. Limiting frame; 25. Limiting guide slider; 26. Locking fixed block; 3. Outer rail; 31. Sequential block; 311. First guide head; 312. Second limiting head; 32. Mounting seat; 33. Mounting frame; 34. Limiting block; 35. Limiting block; 4. Protective seat; 41. Rectangular connecting plate; 411. Center connecting plate; 4111. Fixed bracket; 5. Double-headed fixed frame; 6. Small hole mounting column; 61. Middle hole mounting column; 7. Large hole hollow mounting column; 8. Slide bar. DETAILED DESCRIPTION

[0010] The present invention provides Figure 1 The invention shows a telescopic and orderly server slide rail, which comprises a middle slide rail 2 and an inner slide rail 1 which are sequentially embedded in an outer slide rail 3 and slidably connected. The outer slide rail 3 is a fixed rail. Inside the outer slide rail 3, the inner slide rail 1 and the middle slide rail 2 are arranged in a sequential manner. Figure 8 , a mounting frame 33 and a mounting seat 32 are installed in parallel on the side of the outer slide rail 3, and a protective seat 4 is staggered and covered on the surface of the mounting seat 32. The mounting frame 33, the mounting seat 32 and the protective seat 4 form a slide rail mounting fixed seat. Slide rail mounting mechanisms are provided at both ends of the slide rail mounting fixed seat. Corresponding to the extension and retraction of the slide rails, the outer slide rail 3, the middle slide rail 2 and the inner slide rail 1 are all provided with sequential locking mechanisms, and the slide rails moving through the sequential locking mechanisms can maintain sequential retreat; The sequential locking mechanism includes a linkage lock block 11, a sequential lock block 21 and a sequential block 31, see Figure 1 The linkage lock block 11 and the sequence lock block 21 are respectively arranged at the rear ends of the inner slide rail 1 and the middle slide rail 2 (the front and rear directions are based on the slide rail expansion direction, and the slide rail expansion direction is the front), see Figure 3 The linkage lock block 11 is in the shape of a right triangle, the head of the sequence lock block 21 is like a bird's head, and a bird's beak groove is provided on the head. The tail of the sequence lock block 21 is provided with a sequence card block 212 (see Fig.10 ), the interlocking lock block 11 is inserted into the bird beak groove and the sequential lock block 21 can be bidirectionally hooked, see Figure 5 The interlocking lock block 11 is fixedly mounted on the inner slide rail 1. Figure 6 The sequence lock block 21 is rotatably connected to the middle slide rail 2 through the mounting pin, and a limiting monofilament 22 is arranged behind the sequence lock block 21. The tail of the limiting monofilament 22 is mounted on the middle slide rail 2, and its head hooks the sequence block 212. When the slide rail is fully unfolded, a sequence block 31 (not shown in the figure) is installed on the outer side of the sequence lock block 21. The sequence block 31 is arranged in a double peak with a first guide head 311 and a second limiting head 312 (see Fig.10), the first guide head 311 is an arc peak head, and the second limit head 312 is a flat peak head. At this time, the sequence block 212 is located between the first guide head 311 and the second limit head 312 to form a sequence lock, and the middle slide rail 2 will be in a non-retractable state; A locking block 12 is provided in the middle of the inner slide rail 1, and the rear end of the locking block 12 is rotatably connected to the inner slide rail 1 through a mounting pin (see FIG. Figure 6 ),See Fig.15 The locking block 12 is provided with a bottom groove and a top groove, and a waist-shaped hole is opened in the middle part thereof. The waist-shaped hole is inserted through the limit pin 14, and the locking block 12 and the inner slide rail 1 are tightly fitted. The limit pin 14 limits the maximum rotation of the locking block 12. Near the limit pin 14, the inner slide rail 1 is provided with a mounting groove, and a locking spring 13 is arranged in the mounting groove. One end of the locking spring 12 is connected to the inner slide rail 1, and the other end is inserted into the bottom groove of the locking block 12. When the head of the locking block 12 is pressed and toggled, the locking block 12 can rotate around the mounting pin at its tail end. At this time, the locking spring 13 will be compressed. After releasing, the locking spring 13 can push and rotate the locking block 12 to reset it. A sliding seat 15 is arranged between the linkage lock block 11 and the locking block 21. The side plates on both sides of the sliding seat 15 are evenly provided with balls. The sliding seat 15 and the inner slide rail 1 are fitted together, and the inner slide rail 1 slides back and forth inside the middle slide rail 2 through the sliding seat 15. Figure 7 , near the sequential locking block 21, the middle slide rail 2 is installed with a fixed stopper 23, the front end of the middle slide rail 2 is installed with a limit stop frame 24 and a locking fixed block 26 is installed near the upper slide groove, the slide grooves at the rear end are embedded with the installation limit guide slider 25, the locking fixed block 26 is adapted to the top groove of the locking block 12, when the slide rail is fully extended, the limit frame 24 can limit the slide seat 15 in the slide groove of the middle slide rail 2 to prevent the inner slide rail 1 from sliding out completely, and the locking fixed block 26 can slide into the top groove of the locking block 12 to further limit the movement of the inner slide rail 1, see Figure 8 In front of the sequence block 31, a limited motion block 35 is installed on the outer slide rail 3. The limited motion block 35 can block the fixed block 23 to limit the forward movement of the middle slide rail. A limited stop block 34 is installed in the front end slide groove of the outer slide rail 3. Behind the limited block 34, a slide bar 8 is arranged in the slide groove of the outer slide rail 3. The slide bar 8 is evenly distributed with balls. The length of the slide bar 8 is determined by the spacing between the limited block 34 and the limited guide slider 25 when the slide rail is fully extended. The middle slide rail 2 slides back and forth in the outer slide rail 3 through the limited guide slider 25 and the slide bar 8; The slide rail installation mechanism includes a small hole installation column 6, a middle hole installation column 61, a large hole hollow installation column 7, a double-headed fixing frame 5, a rectangular connecting plate 41 and a mounting frame 33, as shown in FIG. Fig.10 , the rectangular connecting plate 41 is inserted into the protective seat 4 and fixedly connected to the protective seat 4 through bolts, see Fig. 9 , Fig.12The rectangular connecting plate 41 and the mounting frame 33 are bent at the head, the double-headed fixing frame 5 is installed on the rectangular connecting plate 41 and the mounting frame 33, the double-headed fixing frame 5, the rectangular connecting plate 41 and the mounting frame 33 constitute the mounting frame of the mounting column, the large-hole hollow mounting column 7 is installed on the inner wall of the mounting frame, the large-hole hollow mounting column 7 is provided with a hollow mounting column 61, the middle-hole mounting column 61 and the large-hole hollow mounting column 7 are sleeved, and the small-hole mounting column 6 passes through the middle-hole mounting column 61 and is fixedly connected thereto. Fig.14 , a compression spring is arranged behind the large-hole hollow mounting column 7, and the small-hole mounting column 6 passes through the inner wall of the mounting frame and is inserted into the inner wall of the other side, and a compression spring is mounted on the column body, see Fig.12 Behind the double-head fixing frame 5, the rectangular connecting plate 41 is installed with a central connecting plate 411, and the central connecting plate 411 is installed with a fixing bracket 4111, which can be snapped into the slide rail installation cabinet to increase the stability of the slide rail.

[0011] Working principle of the present invention: First, according to the installation holes of the server cabinet, select the suitable installation column in the slide rail installation mechanism to install the slide rail fixed installation base on the server cabinet; When the slide rail is unfolded: the server will drive the inner slide rail 1 to move forward, the sequence lock block 21 and the interlocking lock block 11 are hooked forward, and the inner slide rail 1 and the middle slide rail 2 keep moving synchronously. When the sequence lock block 21 moves to the position of the sequence block 31, the first guide head 311 will lift the sequence block 212, and the sequence lock block 21 will rotate passively. When the sequence block 212 moves to the peak of the first guide head 311, the sequence lock block 21 and the interlocking lock block 11 are disconnected, and the limit block 35 will limit the middle slide The fixed stopper 23 of the rail 2 moves, and the limiting block 34 limits the movement of the slide bar 8 in the slide groove, so that the middle slide rail 2 can be stably limited to move forward. At this time, the inner slide rail 1 continues to move forward, and the locking fixed block 26 squeezes the locking block 12 along the irregular arc surface of the locking block 12 until the locking fixed block 26 enters the top groove of the locking block 12. The inner slide rail 1 will be limited to move forward, and the limiting frame 24 on the middle slide rail 2 limits the movement of the slide seat 15 so that the inner slide rail 1 can stop moving more stably; When the slide rail is retracted: first, the locking block 12 needs to be dialed, and the server only needs to be pushed, and the inner slide rail 1 can be retracted until the locking block 12 and the locking fixing block 26 are disengaged, and then the locking spring 13 will push the locking block 12 to reset it, until the linked lock block 11 moves to the sequential lock block 21, the linked lock block 11 will squeeze the sequential lock block 21, and the sequential lock block 21 is passively rotated. When the linked lock block 11 enters the sequential groove 211 in the sequential lock block 21, and the sequential clamping block 212 is also rotated to be tangent to the first guide head 311, the linked lock block 11 and the sequential lock block 21 enter the state of reverse hook connection, and continue to retract, the linked lock block 11 pushes the sequential lock block 21, the inner slide rail 1 will drive the middle slide rail 2 to move, and after the sequential lock block 21 is disengaged and contacts with the sequential block 31, the limit single wire 22 will pull the sequential lock block 21 to fully reset, until the middle slide rail 2 is fully retracted and enters the outer slide rail 3, at this time the slide rail is completely retracted.

Claims

1. A telescopic and orderly server slide rail, comprising a middle slide rail and an inner slide rail which are sequentially embedded in an outer slide rail and are slidably connected, the outer slide rail is a fixed rail, inside the outer slide rail, the inner slide rail and the middle slide rail are sequentially arranged to move back and forth, a mounting frame and a mounting seat are installed in parallel on the side of the outer slide rail, and a protective seat is staggered and covered on the surface of the mounting seat, characterized in that: The mounting frame, mounting seat and protective seat form a slide rail mounting fixed seat, and slide rail mounting mechanisms are arranged at both ends of the slide rail mounting fixed seat. Corresponding to the extension and retraction of the slide rails, the outer slide rail, the middle slide rail and the inner slide rail are all provided with sequential locking mechanisms, and the slide rails moving through the sequential locking mechanisms can maintain sequential retreat and advancement.

2. A telescopic and orderly server slide rail according to claim 1, characterized in that: The sequential locking mechanism comprises a linked locking block, a sequential locking block and a sequential block, wherein the linked locking block and the sequential locking block are respectively arranged at the rear ends of the inner slide rail and the middle slide rail, the linked locking block is in the shape of a right-angled triangle, the head of the sequential locking block is shaped like a bird's head, and a bird's beak groove is opened on its head, and a sequential clamping block is arranged at the tail of the sequential locking block, the linked locking block is inserted into the bird's beak groove and can be hooked in two directions, the linked locking block is fixedly installed on the inner slide rail, the sequential locking block is rotatably connected with the middle slide rail through a mounting pin, a limiting monofilament is arranged at the rear of the sequential locking block, the tail of the limiting monofilament is installed on the middle slide rail, and its head hooks the sequential clamping block, when the slide rail is fully expanded, a sequential block is installed on the outer side of the sequential locking block, and the outer slide rail is provided with a sequential block, and the sequential block is arranged in a double peak with a first guide head and a second limiting head, the first guide head is an arc peak head, and the second limiting head is a flat peak head, and the sequential clamping block is located between the first guide head and the second limiting head to form a sequential lock.

3. A telescopic and orderly server slide rail according to claim 1 or 2, characterized in that: The slide rail mounting mechanism includes a small-hole mounting column, a middle-hole mounting column, a large-hole hollow mounting column, a double-head fixing frame, a rectangular connecting plate and a mounting frame, the rectangular connecting plate is inserted into the protective seat and fixedly connected to the protective seat through bolts, the double-head fixing frame is installed on the rectangular connecting plate and the mounting frame, and the double-head fixing frame, the rectangular connecting plate and the mounting frame all constitute a mounting frame for the mounting column, the large-hole hollow mounting column is installed on the inner wall of the mounting frame, a hollow mounting column is provided inside the large-hole hollow mounting column, the middle-hole mounting column and the large-hole hollow mounting column are sleeved, the small-hole mounting column passes through the middle-hole mounting column and is fixedly connected to it, a compression spring is provided behind the large-hole hollow mounting column, the small-hole mounting column passes through the inner wall of the mounting frame and is inserted into the inner wall of the other side, and a compression spring is mounted on its column body, and behind the double-head fixing frame, the rectangular connecting plate is installed with a center connecting plate, and the center connecting plate is installed with a fixing bracket.

4. A telescopic and orderly server slide rail according to claim 3, characterized in that: A locking block is provided in the middle part of the inner slide rail, and the tail end of the locking block is rotatably connected to the inner slide rail through a mounting pin, the locking block is provided with a bottom groove and a top groove, and a waist-shaped hole is provided in the middle part, and the limit pin is inserted into the waist-shaped hole, and the locking block and the inner slide rail are tightly fitted, and the limit pin limits the maximum rotation of the locking block. Near the limit pin, the inner slide rail is provided with a mounting groove, and a locking spring is provided in the mounting groove, one end of the locking spring is connected to the inner slide rail, and the other end is inserted into the bottom groove of the locking block, a sliding seat is provided between the linked locking block and the locking block, and both side plates of the sliding seat are provided with ball bearings, and the sliding seat and the inner slide rail are sleeved.

5. A telescopic and orderly server slide rail according to claim 4, characterized in that: Near the sequential locking block, the middle slide rail is installed with a fixed stop block, the front end of the middle slide rail is installed with a limit stop frame and a locking fixed block is installed near the upper slide groove, the slide grooves at the rear end are embedded with a limit guide slider, and the locking fixed block is adapted to the top groove of the locking block.

6. A telescopic and orderly server slide rail according to claim 5, characterized in that: In front of the sequence block, a limited motion block is installed on the outer slide rail, and a limited stop block is installed in the front end slide groove of the outer slide rail. Behind the limit block, a slide bar is set in the slide groove of the outer slide rail, and the slide bar is evenly distributed with balls. The length of the slide bar is determined by the spacing between the limit block and the limit guide slider when the slide rail is fully extended.

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