CN220755295U - Sliding rail with inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure - Google Patents

Abstract

The utility model discloses a sliding rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure, which comprises an inner rail, a middle rail and a bead seat, wherein the inner rail is arranged in the middle rail through the bead seat, a blocking block is arranged on the middle rail, a first rotating plate and a second rotating plate are oppositely arranged on the inner rail, a rotating plate reset tension spring is arranged between the first rotating plate and the second rotating plate, a trigger sliding plate for driving the first rotating plate and the second rotating plate to rotate in a mirror image mode is arranged on the inner rail, and a trigger sliding plate reset tension spring is arranged between the trigger sliding plate and the inner rail. The utility model not only realizes the locking function of the inner rail at the maximum opening position relative to the middle rail through a specially designed simple linkage mechanism, but also realizes the synchronous unlocking function of the channel in which the inner rail is pushed into the middle rail again and the channel in which the inner rail is completely pulled out from the middle rail, thereby simplifying the related operation, improving the stability and reliability of the performance and having higher practical value.

Description

Sliding rail with inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure

Technical Field

The utility model belongs to the technical field of sliding rails, relates to locking and unlocking functions of an inner frame and a middle rail of a sliding rail for a server, and particularly relates to a sliding rail with a double-channel synchronous opening and closing structure for locking, unlocking and splitting the inner rail.

Background

The slide rail is a component which is commonly required to be used in life and production, and in various computer rooms, a large number of servers are often required to be regulated into one rack, and the servers are stored in the rack layer by layer through the slide rail component, so that the operations such as taking out, maintaining and replacing the servers can be facilitated.

The sliding rail bracket in the prior art is capable of opening the corresponding channel by respectively driving the corresponding components when being pulled out and pushed in, and has the defects of complex structure, higher cost, easy misoperation and inconvenient use.

Although, for example: the sliding rail mechanism for rack installation disclosed in China patent application number 202122452069.6 can lock the inner frame with the outer frame when being pulled out through a connecting rod structure, and can simultaneously realize the functions of pulling out and pushing in when being unlocked, but the sliding rail mechanism is thin in structure and does not have a reset function, so that the sliding rail mechanism is unstable in performance and low in reliability.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the sliding rail with the double-channel synchronous opening and closing structure for locking, unlocking and splitting the inner rail.

In order to achieve the technical purposes and effects, the utility model is realized by the following technical scheme: the sliding rail with the double-channel synchronous opening and closing structure comprises an inner rail, a middle rail and a bead seat, wherein the inner rail is arranged in the middle rail through the bead seat, a blocking block is arranged on the middle rail, a first rotating plate and a second rotating plate are oppositely arranged on the inner rail, a rotating plate reset tension spring is arranged between the first rotating plate and the second rotating plate, a trigger sliding plate for driving the first rotating plate and the second rotating plate to rotate in a mirror image mode is arranged on the inner rail, and a trigger sliding plate reset tension spring is arranged between the trigger sliding plate and the inner rail;

when the trigger sliding plate is in an initial state, the inner end of the first rotating plate and the inner end of the second rotating plate are in contact with the lower edge of the inner rail, and a locking space for limiting the blocking block to move forwards and backwards is formed between the inner end of the first rotating plate and the inner end of the second rotating plate; when the trigger sliding plate is in a stressed state, the inner end of the first rotating plate and the inner end of the second rotating plate are separated from the lower edge of the inner rail, and an unlocking channel capable of enabling the blocking block to move back and forth is formed between the bottom edge of the first rotating plate and the bottom edge of the second rotating plate and the lower edge of the inner rail.

Further, the first rotating plate and the second rotating plate are symmetrically provided with a first rotating plate clamping part and a second rotating plate clamping part respectively at two ends, and the first rotating plate and the second rotating plate are rotationally connected to the inner rail through a rotating shaft.

Further, the first rotating plate and the second rotating plate are provided with connecting holes, the rotating plate reset tension springs are connected with the two connecting holes, and the corresponding positions of the inner rails are provided with avoidance through grooves for avoiding the rotating plate reset tension springs.

Further, the length of the blocking block is slightly smaller than the length of the locking space, and the height of the blocking block is smaller than the height of the unlocking channel.

Further, a first moving groove and a second moving groove are respectively formed in two ends of the trigger sliding plate, a first fixed block and a second fixed block which are respectively matched with the first moving groove and the second moving groove are extended from the inner rail, movement of the first fixed block and movement of the second fixed block are respectively limited by the first moving groove and the second moving groove, and a gap which is convenient for sliding of the blocking block is reserved between the bottom edge of the trigger sliding plate and the lower edge of the inner rail.

Further, be provided with on the trigger slide and be used for holding trigger slide extension spring mounting groove that resets of trigger slide extension spring, be provided with on the corresponding position of interior rail and be used for dodging trigger slide extension spring that triggers slide extension spring resets dodges logical groove, trigger slide extension spring mounting groove's front end is provided with first shackle, trigger slide extension spring and dodge logical rear end in groove and be provided with the second shackle, trigger slide extension spring front and back both ends respectively with first shackle with the second shackle is connected.

Further, a trapezoid groove is formed in the bottom surface of the rear end of the trigger sliding plate, a lower protruding plate is arranged at the front end of the trapezoid groove, a rear end inclined surface of the trapezoid groove is used for pushing the first rotating plate, a front side inclined surface of the lower protruding plate is used for pushing the second rotating plate, and a limiting groove used for accommodating the second rotating plate clamping portion is formed between the lower protruding plate and the front end inclined surface of the trapezoid groove.

Further, when the trigger slide plate is arranged on the inner rail, the first rotating plate and the second rotating plate are both positioned in the trapezoid groove, the rear end of the first rotating plate is in inclined surface contact with the rear end of the trapezoid groove, the front end of the second rotating plate is in inclined surface contact with the front end of the lower protruding plate in the trapezoid groove, and the rotating plate reset tension spring is positioned at the top of the trapezoid groove.

Further, the front end of the trigger sliding plate is provided with a starting port, a starting avoidance port is arranged at a corresponding position of the inner rail, the starting port coincides with the starting avoidance port, and the linear distance from the front edge of the starting port to the front edge of the starting avoidance port is smaller than the maximum deformation of the elastic piece.

Further, the restoring force of the rotating plate restoring tension spring is smaller than the restoring force of the triggering slide plate restoring tension spring.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model not only realizes the locking function of the inner rail at the maximum opening position relative to the middle rail through a specially designed simple linkage mechanism, but also realizes the synchronous unlocking function of the channel in which the inner rail is pushed into the middle rail again and the channel in which the inner rail is completely pulled out from the middle rail, thereby simplifying the related operation, improving the stability and reliability of the performance and having higher practical value.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the overall closure structure of the present utility model;

FIG. 2 is a schematic view of the whole open structure of the present utility model;

FIG. 3 is a schematic diagram of a second embodiment of the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic view of the inner rail of the present utility model fully extracted;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is an enlarged view at C in FIG. 5;

FIG. 8 is a schematic view of the structure of the inner rail according to the present utility model;

fig. 9 is an enlarged view of D in fig. 8;

FIG. 10 is a schematic view of a limiting plate according to the present utility model;

FIG. 11 is an enlarged view at E in FIG. 10;

FIG. 12 is a schematic view of the structure of the middle rail of the present utility model;

fig. 13 is an enlarged view of F in fig. 12;

fig. 14 is an enlarged view at G in fig. 12.

In the figure: 1. a middle rail; 101. a blocking piece; 102. a bead seat; 2. an inner rail; 201. a rotation shaft; 202. a first rotating plate; 203. a first rotating plate clamping part; 204. a second rotating plate; 205. a second rotating plate clamping part; 206. a connection hole; 207. a rotating plate reset tension spring; 208. triggering the sliding plate reset tension spring to avoid the through groove; 209. triggering a slide plate reset tension spring; 210. starting an avoidance port; 211. a first fixed block; 212. a second fixed block; 3. triggering the sliding plate; 301. triggering the sliding plate to reset the tension spring mounting groove; 302. a lower convex plate; 303. a rear end inclined plane; 304. a front side inclined surface; 305. a limiting groove; 306. a front end inclined plane; 307. a first moving groove; 308. a second moving groove; 309. the port is activated.

Detailed Description

The utility model will be described in detail below with reference to the drawings in combination with embodiments.

It should be noted that all directional indicators (such as up, down, left, right, front, back, upper, lower, top, bottom … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicators are correspondingly changed.

Referring to fig. 1-14, a sliding rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure comprises an inner rail 2, a middle rail 1 and a bead seat 102, wherein the inner rail 2 is arranged in the middle rail 1 through the bead seat 102, a blocking block 101 is arranged on the middle rail 1, a first rotating plate 202 and a second rotating plate 204 are oppositely arranged on the inner rail 2, a rotating plate reset tension spring 207 is arranged between the first rotating plate 202 and the second rotating plate 204, a first rotating plate clamping part 203 and a second rotating plate clamping part 205 are symmetrically arranged at two ends of the first rotating plate 202 and the second rotating plate 204 respectively, the first rotating plate 202 and the second rotating plate 204 are rotationally connected to the inner rail 2 through a rotating shaft 201, connecting holes 206 are respectively formed in the first rotating plate 202 and the second rotating plate 204, the rotating plate reset tension springs 207 are connected with two connecting holes 206, and through grooves 208 for avoiding the rotating plates are formed in corresponding positions of the inner rail 2.

The inner rail 2 is provided with a trigger slide plate 3 for driving the first rotating plate 202 and the second rotating plate 204 to rotate in a mirror image mode, a trigger slide plate reset tension spring 209 is arranged between the trigger slide plate 3 and the inner rail 2, the restoring force of the rotating plate reset tension spring 207 is smaller than that of the trigger slide plate reset tension spring 209, two ends on the trigger slide plate 3 are respectively provided with a first moving groove 307 and a second moving groove 308, the inner rail 2 is provided with a first fixed block 211 and a second fixed block 212 which are respectively matched with the first moving groove 307 and the second moving groove 308 in an extending mode, the movement of the first fixed block 211 and the second fixed block 212 is respectively limited by the first moving groove 307 and the second moving groove 308, and a gap which is convenient for the blocking block 101 to slide is reserved between the bottom edge of the trigger slide plate 3 and the lower edge of the inner rail 2.

Preferably, when the trigger slide plate 3 is in the initial state, the inner ends of the first and second rotation plates 202 and 204 are both in contact with the lower edge of the inner rail 2, and a locking space for restricting the forward and backward movement of the blocking block 101 is formed between the inner ends of the first and second rotation plates 202 and 204; when the trigger sliding plate 3 is in a stressed state, the inner end of the first rotating plate 202 and the inner end of the second rotating plate 204 are separated from the lower edge of the inner rail 2, an unlocking channel capable of enabling the blocking block 101 to move back and forth is formed between the bottom edge of the first rotating plate 202 and the bottom edge of the second rotating plate 204 and the lower edge of the inner rail 2, the length of the blocking block 101 is slightly smaller than that of the locking space, and the height of the blocking block 101 is smaller than that of the unlocking channel.

The trigger slide 3 is provided with a trigger slide extension spring mounting groove 301 for accommodating the trigger slide extension spring 209 that resets, be provided with on the corresponding position of internal rail 2 and be used for dodging trigger slide extension spring that triggers slide extension spring 209 dodges logical groove 208, trigger slide extension spring mounting groove 301's front end is provided with first shackle, trigger slide extension spring dodges logical groove 208's rear end is provided with the second shackle, trigger slide extension spring's front and back both ends respectively with first shackle with the second shackle is connected.

The bottom surface of the rear end of the trigger sliding plate 3 is provided with a trapezoid groove, the front end of the trapezoid groove is provided with a lower convex plate 303, a rear end inclined plane 303 of the trapezoid groove is used for pushing the first rotating plate clamping part 203, a front side inclined plane 304 of the lower convex plate 302 is used for pushing the second rotating plate clamping part 205, and a limiting groove 305 for accommodating the second rotating plate clamping part 205 is formed between the lower convex plate 302 and a front end inclined plane 306 of the trapezoid groove.

Preferably, when the trigger slide plate 3 is disposed on the inner rail 2, the first rotating plate 202 and the second rotating plate 204 are both located in the trapezoidal groove, the rear end of the first rotating plate 202 contacts with the rear end inclined surface 303 of the trapezoidal groove, the front end of the second rotating plate 204 contacts with the front end inclined surface 306 of the lower protruding plate 302 in the trapezoidal groove, and the rotating plate return tension spring 207 is located at the top of the trapezoidal groove.

The front end of the trigger sliding plate 3 is provided with a starting port 309, a starting avoiding port 210 is arranged at a corresponding position of the inner rail 2, the starting port 309 coincides with the starting avoiding port 210, and the linear distance from the front edge of the starting port 309 to the front edge of the starting avoiding port 210 is smaller than the maximum deformation of the elastic member.

The working principle of the utility model is as follows:

in this embodiment, referring to fig. 1 to 14, the process of locking or unlocking the inner rail 2 and the middle rail 1 is as follows: the front and rear brackets of the sliding rail are firstly required to be fixed on a mounting hole (not shown in the figure) of the server frame, the sliding rail is divided into an outer rail, a middle rail 1, an inner rail 2 and an outer rail fixing frame, the front and rear brackets are positioned at two ends of the outer rail fixing frame, and after the front and rear brackets are fixed on the mounting hole, the inner rail 2 of the sliding rail is pulled out from the middle rail 1.

In the process of withdrawing the inner rail 2 from the middle rail 1, the second rotating plate 204 is firstly contacted with the blocking block 101, the second rotating plate 204 is in an inclined angle at the moment, the rear end of the second rotating plate 204 is in contact with the lower edge of the inner rail 2, in the process of continuously withdrawing the inner rail 2 outwards, the blocking block 101 can apply acting force to the second rotating plate 204, so that the second rotating plate 204 can deflect at the original angle under the action of the rotating shaft 201, the rear end of the second rotating plate 204 is further far away from the lower edge of the inner rail 2, at the moment, the blocking block 101 can enter a gap between the first rotating plate 202 and the second rotating plate 204, after the blocking block 101 enters the gap, the second rotating plate 204 can recover the original angle under the action of the rotating plate reset tension spring 207, and then the rear end of the clamping part of the second rotating plate 204 is recovered to be in contact with the lower edge of the inner rail 2, at the moment, the blocking block 101 is respectively contacted with the front end of the first rotating plate 202 and the rear end of the second rotating plate 204, and therefore a locking space is formed.

The blocking block 101 is in the middle of the first rotating plate 202 and the second rotating plate 204 and is in contact with two ends of the first rotating plate 204, the inner rail 2 reaches the maximum value of pulling out and is in a locking state with the middle rail 1, at the moment, a worker pulls the starting port 309 on the trigger slide plate 3 by hand, one end of the trigger slide plate reset tension spring 209 is connected with the inner rail 2 in the trigger slide plate reset tension spring avoidance through groove 208, the other end of the trigger slide plate reset tension spring 209 is connected with the trigger slide plate 3 in the trigger slide plate reset tension spring mounting groove 301, for the trigger slide plate 3, the inner rail 2 is relatively static, so when the starting port 309 is pulled, the trigger slide plate reset tension spring 209 is lengthened under the limit of the inner rail 2, the trigger slide plate 3 can move towards the direction of the starting port 309 under the limit action of the trigger slide plate reset tension spring 209 and the inner rail 2, and meanwhile the trigger slide plate reset tension spring 209 can also prepare for the reset of the trigger slide plate 3.

Meanwhile, the rear end inclined surface 303 applies a force to the first rotating plate clamping portion 203, the lower protruding plate 302 applies a force to the second rotating plate clamping portion 205, so that the second rotating plate clamping portion 205 slides into the limiting groove 305 formed between the front end inclined surface 304 and the front end inclined surface 306, and further the first rotating plate 202 and the second rotating plate 204 deflect simultaneously, so that the front end of the first rotating plate 202 and the rear end of the second rotating plate 204 are in a parallel state with the inner rail 2, an unlocking channel can be formed, and because the rotating plate reset tension spring 207 is connected between the first rotating plate clamping portion 203 and the second rotating plate clamping portion 205 through the connecting hole 206, the rotating plate reset tension spring 207 can prevent the first rotating plate 202 and the second rotating plate 204 from excessively deflecting, and can also prepare for resetting and accumulating force of the first rotating plate 202 and the second rotating plate 204.

Preferably, a first moving groove 307 and a second moving groove 308 corresponding to the first fixed block 211 and the second fixed block 212 on the inner rail 2 are respectively formed at two ends of the trigger slide plate 3, and the first fixed block 211 and the second fixed block 212 can move in the first moving groove 307 and the second moving groove 308 in a limited manner in the process of pulling the trigger slide plate 3; the inner rail 2 is also provided with a starting avoidance port 210 corresponding to the position of the starting port 309, and the starting avoidance port 210 can enable the starting port 309 to be pulled at the starting avoidance port 210 in a limited manner in the process that the starting port 309 is pulled, so that the trigger sliding plate 3 can be limited by the first moving groove 307, the first fixed block, the second moving groove 308, the second fixed block 212, the starting port 309 and the starting avoidance port 210 together, and is accurately unlocked with the blocking block 101 on the middle rail 11.

At this time, the first rotating plate 202 and the second rotating plate 204 are in a state parallel to the inner rail 2 under the limitation of the rotating plate reset tension spring 207, an unlocking channel is formed, and at this time, the starting opening 309 is continuously pulled, the first rotating plate 202 and the second rotating plate 204 can move away from the blocking piece 101, so that the inner rail 2 can be unlocked and pulled out from the middle rail 1, then the pulling of the starting opening 309 is stopped, after the inner rail 2 is pulled out, the inner rail 2 and the server chassis are installed together, and then the inner rail 2 is pushed back into the middle rail 1.

In the process of pushing the inner rail 2 back to the middle rail 1, the first rotating plate 202 is subjected to the acting force of the blocking block 101, so that the first rotating plate 202 can deflect at the original angle under the action of the rotating shaft 201, the front end of the first rotating plate 202 is further away from the lower edge of the inner rail 2, at the moment, the blocking block 101 can enter a gap between the first rotating plate 202 and the second rotating plate 204, after the blocking block 101 enters the gap, the first rotating plate 202 is restored to the original angle, the front end of the first rotating plate clamping part 203 is restored to be in contact with the lower edge of the inner rail 2, and then the front end of the first rotating plate 202 and the rear end of the second rotating plate 204 are in contact with the blocking block 101, and at the moment, a locking space can be formed between the first rotating plate 202 and the second rotating plate 204.

At this time, the blocking piece 101 is in the middle of the first rotating plate 202 and the second rotating plate 204 and abuts against both ends of the first rotating plate and the second rotating plate, the inner rail 2 and the middle rail 1 are in a locking state, when the inner rail 2 is pushed continuously, the starting opening 309 needs to be pulled to enable the first rotating plate 202 and the second rotating plate 204 to deflect at an angle parallel to the inner rail 2 on the original angle, so that an unlocking space is formed, and at this time, the first rotating plate 202 and the second rotating plate 204 can move away from the blocking piece 101, and further the inner rail 2 can be pushed to the limiting position of the middle rail 1 smoothly.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. Slide rail with interior rail locking, unblock, split binary channels synchronous switching structure, including interior rail (2), well rail (1) and pearl seat (102), interior rail (2) pass through pearl seat (102) set up in well rail (1), its characterized in that: the middle rail (1) is provided with a blocking block (101), the inner rail (2) is relatively provided with a first rotating plate (202) and a second rotating plate (204), a rotating plate reset tension spring (207) is arranged between the first rotating plate (202) and the second rotating plate (204), the inner rail (2) is provided with a trigger sliding plate (3) for driving the first rotating plate (202) and the second rotating plate (204) to rotate in a mirror image mode, and a trigger sliding plate reset tension spring (209) is arranged between the trigger sliding plate (3) and the inner rail (2);

when the trigger slide plate (3) is in an initial state, the inner end of the first rotating plate (202) and the inner end of the second rotating plate (204) are in contact with the lower edge of the inner rail (2), and a locking space for limiting the front-back movement of the blocking block (101) is formed between the inner end of the first rotating plate (202) and the inner end of the second rotating plate (204); when the trigger sliding plate (3) is in a stressed state, the inner end of the first rotating plate (202) and the inner end of the second rotating plate (204) are separated from the lower edge of the inner rail (2), and an unlocking channel capable of enabling the blocking block (101) to move back and forth is formed at the bottom edge of the first rotating plate (202) and the bottom edge of the second rotating plate (204) and the lower edge of the inner rail (2).

2. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the two ends of the first rotating plate (202) and the second rotating plate (204) are symmetrically provided with a first rotating plate clamping part (203) and a second rotating plate clamping part (205) respectively, and the first rotating plate (202) and the second rotating plate (204) are rotationally connected to the inner rail (2) through a rotating shaft (201).

3. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the connecting holes (206) are formed in the first rotating plate (202) and the second rotating plate (204), the rotating plate reset tension springs (207) are connected with the two connecting holes (206), and avoidance through grooves (208) for avoiding the rotating plate reset tension springs are formed in corresponding positions of the inner rail (2).

4. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the length of the blocking block (101) is slightly smaller than the length of the locking space, and the height of the blocking block (101) is smaller than the height of the unlocking channel.

5. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the trigger slide plate is characterized in that a first moving groove (307) and a second moving groove (308) are respectively formed in two ends of the trigger slide plate (3), a first fixed block (211) and a second fixed block (212) which are respectively matched with the first moving groove (307) and the second moving groove (308) are extended from the inner rail (2), the movement of the first fixed block (211) and the second fixed block (212) is respectively limited by the first moving groove (307) and the second moving groove (308), and a gap which is convenient for the sliding of the blocking block (101) exists between the bottom edge of the trigger slide plate (3) and the lower edge of the inner rail (2).

6. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: trigger slide (3) are last to be provided with and are used for holding trigger slide extension spring mounting groove (301) that trigger slide extension spring (209) reset, be provided with on the corresponding position of interior rail (2) and be used for dodging trigger slide extension spring that triggers slide extension spring (209) resets dodges logical groove (208), trigger the front end of slide extension spring mounting groove (301) that resets is provided with first shackle, trigger the rear end that slide extension spring dodges logical groove (208) is provided with the second shackle, trigger the front and back both ends of slide extension spring (209) respectively with first shackle with the second shackle is connected.

7. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the trigger slide (3) rear end bottom is provided with a trapezoidal recess, the front end of trapezoidal recess is provided with a lower flange (302), the rear end inclined plane (303) of trapezoidal recess is used for promoting first rotating plate (202), the front side inclined plane (304) of lower flange (302) are used for promoting second rotating plate (204), constitute between lower flange (302) with the front end inclined plane (306) of trapezoidal recess is used for holding restriction groove (305) of second rotating plate (204) joint portion.

8. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 7, wherein: when trigger slide (3) set up on internal track (2), first rotating plate (202) with second rotating plate (204) all are located in the trapezoidal recess, the rear end of first rotating plate (202) with the rear end inclined plane (303) of trapezoidal recess contacts, the front end of second rotating plate (204) with the front end inclined plane (306) of lower flange (302) in the trapezoidal recess contacts, rotating plate resets extension spring (207) and is located the top of trapezoidal recess.

9. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the front end of the trigger sliding plate (3) is provided with a starting port (309), a starting avoidance port (210) is arranged at a corresponding position of the inner rail (2), the starting port (309) coincides with the starting avoidance port (210), and the linear distance from the front edge of the starting port (309) to the front edge of the starting avoidance port (210) is smaller than the maximum deformation of the elastic piece.

10. The slide rail with an inner rail locking, unlocking and splitting dual-channel synchronous opening and closing structure according to claim 1, wherein the slide rail is characterized in that: the restoring force of the rotating plate restoring tension spring (207) is smaller than the restoring force of the trigger slide plate restoring tension spring (209).