CN112543574A - Remote unlocking and locking structure - Google Patents
Remote unlocking and locking structure Download PDFInfo
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- CN112543574A CN112543574A CN202011330599.7A CN202011330599A CN112543574A CN 112543574 A CN112543574 A CN 112543574A CN 202011330599 A CN202011330599 A CN 202011330599A CN 112543574 A CN112543574 A CN 112543574A
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- pull rod
- locking
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- 230000000712 assembly Effects 0.000 claims description 20
- 238000000429 assembly Methods 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 208000017740 grade III prostatic intraepithelial neoplasia Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 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
- H05K7/18—Construction of rack or frame
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Abstract
The invention relates to a remote unlocking and locking structure, which comprises a middle rail assembly and an outer rail assembly which are in relative sliding connection along the length direction, wherein a rear lock assembly is arranged between the front end part of the middle rail assembly and the front end part of the outer rail assembly; pulling the pull rod along the length direction to unlock the rear lock component so that the middle rail component slides backwards relative to the outer rail component; the rear end of the outer rail assembly is provided with a locking structure towards the side surface of the middle rail assembly, and the rear end part of the middle rail assembly which slides backwards is locked by the locking structure at the rear end of the outer rail assembly; in a machine room with limited space, firstly sliding out and locking the three sections of tracks, then unlocking the rear lock assembly to enable the middle rail assembly to slide into the outer rail assembly, locking the middle rail assembly relative to the rear end of the outer rail assembly through the locking structure, reserving enough space in the front, and unlocking the front lock assembly to enable the inner rail assembly to completely slide out, thereby detaching the server; the invention solves the problem that the server can not be detached and maintained smoothly in a limited space, and has good practicability and convenient and reliable operation.
Description
Technical Field
The invention relates to the technical field of slide rail application, in particular to a remote unlocking structure.
Background
The server is usually installed in a cabinet, and a matched sliding rail is arranged in the cabinet, so that the server can be conveniently led out and led in relative to the cabinet for maintenance and other operations.
Along with the increase of the capacity of the server, the cabinet is lengthened, so that the space required for dismounting and mounting the server is enlarged, the space reserved for daily use in the existing machine room cannot meet the dismounting and mounting use of the server after the capacity is increased, and the server is unlocked and taken down from the slide rail without enough space, so that the server is inconvenient to maintain; however, if the space of the machine room is increased only for disassembling and assembling the server, the space utilization rate is reduced, and the method is not intelligent; on the other hand, when the server is detached from the middle rail along with the inner rail, the length of the cabinet is long enough, so that the user does not have enough hands, and two persons are required to cooperate together to unlock the front lock between the middle rail and the inner rail, which is very inconvenient.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a remote unlocking structure with a reasonable structure, so that a server can be smoothly detached in a limited space, the server can be effectively assisted in the smooth maintenance operation, the server unlocking structure is convenient and reliable, the practicability is good, and the improvement of the space density of the server in a machine room is greatly assisted.
The technical scheme adopted by the invention is as follows:
a remote unlocking and locking structure comprises a middle rail assembly and an outer rail assembly which are connected in a sliding mode relatively along the length direction, wherein a rear lock assembly is arranged between the front end portion of the middle rail assembly and the front end portion of the outer rail assembly; pulling the pull rod along the length direction to unlock the rear lock component so that the middle rail component slides backwards relative to the outer rail component; the side of outer rail subassembly rear end orientation well rail subassembly is provided with the locking structure, and the rear end of the well rail subassembly that slides in backward is by the locking structure locking of outer rail subassembly rear end.
As a further improvement of the above technical solution:
the structure of back lock subassembly does: the middle rail assembly is arranged above the pull rod I and provided with a clamping pin; the side surface of the outer rail assembly is clamped with an elastic body, the middle part of the elastic body bulges towards the direction of the middle rail assembly, and a clamping groove clamped with the clamping pin is formed in the elastic body; a bulge extends from the rear end of the pull rod towards the direction of the outer rail assembly, and the bulge applies force towards the outer rail assembly to the elastic body when the pull rod is pulled forwards.
A plurality of first guide pins are arranged on the side surface of the middle rail assembly at intervals along the length direction of the first pull rod, and a first guide groove for the first guide pins to slide relatively is formed in the first pull rod along the length direction; and a first reset elastic part is also arranged between the middle rail assembly and the first pull rod.
The bayonet lock is arranged at the rear end part of the middle rail assembly, and a sliding groove for the bayonet lock to slide is formed in the middle rail assembly along the width direction; the front end of the outer rail assembly is provided with a bayonet towards the middle rail assembly, the bayonet is clamped into the bayonet, and the bayonet forms a locking structure at the rear end of the outer rail assembly.
The front end of the outer rail assembly is provided with an elastic piece, the middle part of the elastic piece bulges towards the direction of the middle rail assembly, and the side surface of the outer rail assembly positioned in front of the elastic piece extends towards the direction of the middle rail assembly to form a triangular convex hull; the bevel edge of the triangular convex hull faces the front, and a bayonet is formed between the rear end of the triangular convex hull and the elastic sheet; and a torsion spring is also arranged between the clamping pin and the middle rail component.
The outer rail assembly, the middle rail assembly and the inner rail assembly are sequentially connected in a sliding manner from outside to inside and adjacent to each other; the direction of interior rail subassembly rear end towards well rail subassembly extends has L type convex closure, and along with interior rail subassembly for the backward slip of well rail subassembly, L type convex closure acts on the bayonet lock for thereby the bayonet lock removes along the spout and deviates from the bayonet lock, the locking unblock between bayonet lock and locking structure.
A front lock assembly is arranged between the front end of the middle rail assembly and the inner rail assembly; the front lock assembly comprises two groups of locking assemblies which are arranged on the outer side surface of the inner rail assembly in a vertical parallel mode, one group of locking assemblies locks the inner rail assembly relative to the sliding-in direction of the middle rail assembly, and the other group of locking assemblies locks the inner rail assembly relative to the sliding-out direction of the middle rail assembly.
The two groups of locking assemblies have the same structure, and the single group of locking assemblies has the following structure: the pull rod II is slidably mounted on the outer side surface of the inner rail assembly along the length direction, a V-shaped groove opening is formed in the front end portion of the pull rod II, and a shifting piece is rotatably mounted on the outer side surface of the inner rail assembly positioned at the V-shaped groove opening; the inner side surface of the middle rail component is bent and extended towards the direction of the inner rail component to form a buckle, and the end head of the shifting piece is clamped with the end head of the buckle; the pull rod II is pulled backwards, force is applied to the shifting piece through the V-shaped groove opening, and the shifting piece rotates relative to the inner rail assembly so as to be separated from the buckle;
the buckle is positioned between the shifting pieces of the two groups of locking assemblies, so that the inner rail assembly is locked relative to the middle rail assembly in the sliding direction; the two rear ends of the pull rods of the two sets of locking assemblies are provided with hand pinching parts convenient to pull.
The shifting piece is rotationally connected with the inner rail assembly through a rotating pin, the shifting piece rotates by taking the rotating pin as a center, and a torsional spring for rotational reset is further arranged between the shifting piece and the inner rail assembly; the poking piece is provided with a third guide groove of an arc structure taking the rotating pin as a circle center, and the inner rail assembly is provided with a third guide pin inserted into the third guide groove.
A plurality of second guide pins are arranged on the outer side surface of the inner rail assembly at intervals along the length direction of the second pull rod, and second guide grooves for the second guide pins to slide relatively are formed in the second pull rod along the length direction; and a second reset elastic part is also arranged between the inner rail assembly and the second pull rod.
The invention has the following beneficial effects:
the three-section track sliding-out and mutual locking device is compact and reasonable in structure and convenient to operate, three sections of tracks slide out relatively and are mutually locked in a machine room with limited space, then the rear lock assembly is unlocked to enable the middle rail assembly to slide into the outer rail assembly and be locked, enough space is reserved in the front, and then the front lock assembly is unlocked to enable the inner rail assembly to completely slide out relative to the middle rail assembly, so that the server is detached along with the inner rail assembly, the problem that the server cannot be detached and maintained smoothly in the limited space is solved, the server maintenance operation is effectively assisted to be performed smoothly, the practicability is good, the operation is convenient and reliable, and the improvement of the space density of the server in the machine room is;
the invention also comprises the following advantages:
after the three sections of tracks slide out relatively and are locked mutually, the first pull rod is pulled forwards to enable the first pull rod to move forwards relative to the middle rail assembly, and the bulge at the rear end of the first pull rod applies a force towards the outer rail assembly to the elastic body, so that the bulge is compressed, the clamping pin and the clamping groove of the elastic body slide out conveniently, the locking and unlocking between the middle rail assembly and the outer rail assembly are achieved, and the middle rail assembly can slide in relative to the outer rail assembly;
when the middle rail assembly slides into the middle rail assembly of the outer rail assembly and the clamping pin on the middle rail assembly moves to the locking structure at the rear end of the outer rail assembly, the clamping pin is clamped into the clamping opening, so that the middle rail assembly is locked in a sliding manner relative to the outer rail assembly;
the second pull rod is pulled forwards to enable the second pull rod to move forwards relative to the inner rail assembly, the V-shaped groove opening at the rear end of the second pull rod applies force to the shifting piece, the shifting piece rotates relative to the inner rail assembly, the shifting piece is separated from a buckle on the inner side face of the middle rail assembly, and locking between the middle rail assembly and the inner rail assembly is unlocked.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a partially enlarged view of a portion B in fig. 2.
Fig. 5 is an exploded view (another perspective) of fig. 1.
Fig. 6 is a partially enlarged view of a portion C in fig. 5.
Wherein: 1. an outer rail assembly; 2. a middle rail assembly; 3. an inner rail assembly; 4. a front lock assembly; 5. a rear lock assembly; 6. an elastomer; 11. a bayonet; 12. an elastic sheet; 13. a triangular convex hull; 21. buckling; 22. a chute; 31. an L-shaped convex hull; 41. a second pull rod; 42. a second guide pin; 43. a second elastic piece; 44. a shifting sheet; 45. rotating the pin; 46. a third guide pin; 411. a V-shaped notch; 412. a second guide groove; 413. a hand-pinching part; 441. a third guide groove; 51. a first elastic part; 52. a first pull rod; 53. a first guide pin; 54. a bayonet lock; 55. a torsion spring; 521. bulging; 522. a first guide groove; 61. a clamping groove.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the remote unlocking and locking structure of the present embodiment includes a middle rail assembly 2 and an outer rail assembly 1 which are connected in a relatively sliding manner along a length direction, and a rear lock assembly 5 is installed between a front end of the middle rail assembly 2 and a front end of the outer rail assembly 1; pulling the first pull rod 52 along the length direction to unlock the rear lock assembly 5, so that the middle rail assembly 2 slides in backwards relative to the outer rail assembly 1; the side of outer rail subassembly 1 rear end orientation well rail subassembly 2 is provided with the locking structure, and the rear end of well rail subassembly 2 that slides in backward is by the locking structure locking of outer rail subassembly 1 rear end.
In the limited computer lab in space, earlier with the relative roll-off of three section tracks and mutual locking, then the unblock back lock subassembly 5 makes well rail subassembly 2 slide in outer rail subassembly 1 and locking, reserves sufficient space in the front, lock subassembly 4 makes interior rail subassembly 3 for well rail subassembly 2 complete roll-off before the unblock again to dismantle the server along with interior rail subassembly 3, and then solved and to pull down the problem of maintaining smoothly with the server in limited space, effective helping hand is gone on in maintaining the operation smoothly.
As shown in fig. 3, the rear lock assembly 5 has the structure: the middle rail assembly comprises a first pull rod 52 which is slidably arranged on the side surface of the middle rail assembly 2 along the length direction, and a clamping pin 54 is arranged on the middle rail assembly 2 above the first pull rod 52; the elastic body 6 is clamped on the side surface of the outer rail component 1, the middle part of the elastic body 6 bulges towards the direction of the middle rail component 2, and the elastic body 6 is provided with a clamping groove 61 clamped with the clamping pin 54; the rear end of the first pull rod 52 extends to the direction of the outer rail assembly 1 to form a bulge 521, and when the first pull rod 52 is pulled forwards, the bulge 521 applies a force to the elastic body 6 towards the outer rail assembly 1.
After the three-section rails slide out relatively and are locked with each other, the first pull rod 52 is pulled forward to move forward relative to the middle rail assembly 2, the bulge 521 at the rear end of the first pull rod 52 applies a force to the elastic body 6 towards the outer rail assembly 1, so that the bulge 521 is compressed, the clamping pin 54 can slide out of the clamping groove 61 of the elastic body 6 conveniently, the locking between the middle rail assembly 2 and the outer rail assembly 1 is unlocked, and the middle rail assembly 2 can slide in relative to the outer rail assembly 1.
A plurality of first guide pins 53 are arranged on the side surface of the middle rail component 2 at intervals along the length direction of the first pull rod 52, a first guide groove 522 for the first guide pin 53 to slide relatively is formed in the first pull rod 52 along the length direction, and when the first pull rod 52 is pulled relative to the middle rail component 2 along the length direction, the first guide pin 53 and the first guide groove 522 are matched to play a role in moving and guiding; a first reset elastic piece 51 is further installed between the middle rail assembly 2 and the first pull rod 52, when the first force application pull rod 52 moves forwards relative to the middle rail assembly 2, the first elastic piece 51 is compressed and deformed, and after the force application is cancelled, the first pull rod 52 moves backwards and resets under the elastic force of the first elastic piece 51.
The bayonet 54 is arranged at the rear end part of the middle rail component 2, and a sliding groove 22 for the bayonet 54 to slide is arranged on the middle rail component 2 along the width direction; as shown in fig. 5, a bayonet 11 is arranged at the front end of the outer rail assembly 1 in a direction towards the middle rail assembly 2, the bayonet 54 is clamped into the bayonet 11, and the bayonet 11 forms a locking structure at the rear end of the outer rail assembly 1; when the middle rail assembly 2 slides into the outer rail assembly 1, the clamping pin 54 thereon moves to the locking structure at the rear end of the outer rail assembly 1, the clamping pin 54 is clamped into the clamping opening 11, so that the middle rail assembly 2 is locked in a sliding manner relative to the outer rail assembly 1.
As shown in fig. 6, the front end of the outer rail assembly 1 is provided with an elastic piece 12, the middle part of the elastic piece 12 bulges towards the direction of the middle rail assembly 2, and the side surface of the outer rail assembly 1 positioned in front of the elastic piece 12 extends towards the direction of the middle rail assembly 2 to form a triangular convex hull 13; the bevel edge of the triangular convex hull 13 faces the front, and a bayonet 11 is formed between the rear end of the triangular convex hull 13 and the elastic sheet 12; a torsion spring 55 is also arranged between the clamping pin 54 and the middle rail component 2; during the process that the middle rail assembly 2 slides in backwards relative to the outer rail assembly 1, the bayonet 54 on the middle rail assembly 2 approaches and contacts the triangular convex hull 13, the bayonet 54 moves along the inclined edge of the triangular convex hull 13 relative to the outer rail assembly 1, namely, the bayonet 54 moves along the sliding groove 22 relative to the middle rail assembly 2, the torsion spring 55 deforms, until the bayonet 54 moves to the bayonet 11 between the triangular convex hull 13 and the elastic sheet 12, the bayonet 54 resets relative to the middle rail assembly 2 under the action of the torsion spring 55, so that the bayonet 54 falls into the bayonet 11, and the sliding locking of the middle rail assembly 2 relative to the outer rail assembly 1 is realized; when the middle rail assembly 2 is locked relative to the locking structure bayonet 11 of the outer rail assembly 1 through the bayonet 54, the front end of the middle rail assembly 2 protrudes forwards from the front end of the outer rail assembly 1, so that the inner rail assembly 3 on the side surface of the middle rail assembly 2 can be inserted and aligned conveniently.
The outer rail assembly 1, the middle rail assembly 2 and the inner rail assembly 3 are sequentially connected in a sliding manner from outside to inside and adjacent to each other; the rear end of the inner rail assembly 3 extends towards the middle rail assembly 2 to form an L-shaped convex hull 31, along with the backward sliding of the inner rail assembly 3 relative to the middle rail assembly 2, the L-shaped convex hull 31 acts on the clamping pin 54, the clamping pin 54 is jacked up by the L-shaped convex hull 31, the clamping pin 54 moves along the sliding groove 22 to be separated from the clamping opening 11, and the clamping pin 54 is unlocked through locking between the locking structures.
A front lock assembly 4 is arranged between the front end of the middle rail assembly 2 and the inner rail assembly 3; as shown in fig. 4, the front lock assembly 4 includes two sets of locking assemblies disposed in parallel from top to bottom on the outer side surface of the inner rail assembly 3, one set of locking assemblies locks the inner rail assembly 3 in the direction of sliding in relative to the middle rail assembly 2, and the other set of locking assemblies locks the inner rail assembly 3 in the direction of sliding out relative to the middle rail assembly 2.
The two groups of locking assemblies have the same structure, and the single group of locking assemblies has the following structure: the pull rod II 41 is slidably mounted on the outer side surface of the inner rail assembly 3 along the length direction, a V-shaped groove opening 411 is formed in the rear end portion of the pull rod II 41, and a shifting piece 44 is rotatably mounted on the outer side surface of the inner rail assembly 3, which is located at the V-shaped groove opening 411; the inner side surface of the middle rail component 2 is bent and extended towards the direction of the inner rail component 3 to form a buckle 21, and the end of the shifting piece 44 is clamped with the end of the buckle 21; the second pull rod 41 is pulled backwards, and force is applied to the shifting piece 44 through the V-shaped groove opening 411, so that the shifting piece 44 rotates relative to the inner rail assembly 3 to be separated from the buckle 21;
the second pull rod 41 is pulled forwards to move forwards relative to the inner rail assembly 3, the V-shaped groove opening 411 at the rear end of the second pull rod 41 applies force to the shifting piece 44, the shifting piece 44 rotates relative to the inner rail assembly 3, the shifting piece 44 is separated from the buckle 21 on the inner side face of the middle rail assembly 2, and locking and unlocking between the middle rail assembly 2 and the inner rail assembly 3 are achieved.
The buckle 21 is positioned between the shifting sheets 44 of the two groups of locking assemblies, so that the inner rail assembly 3 is locked relative to the middle rail assembly 2 in the sliding direction; the rear ends of the second pull rods 41 of the two groups of locking assemblies are provided with hand nipping portions 413 convenient to pull, and the rear ends of the first pull rods 52 are provided with the same hand nipping portions 413.
The shifting piece 44 is rotationally connected with the inner rail component 3 through a rotating pin 45, the shifting piece 44 rotates by taking the rotating pin 45 as a center, and a torsional spring which is rotationally reset is further arranged between the shifting piece 44 and the inner rail component 3; the poking piece 44 is provided with a guide groove III 441 with an arc structure taking the rotating pin 45 as a circle center, the inner rail component 3 is provided with a guide pin III 46 inserted into the guide groove III 441, and the arrangement of the guide groove III 441 and the guide pin III 46 which are matched with each other provides a guiding function for the rotation of the poking piece 44 and limits the rotation range of the poking piece.
A plurality of second guide pins 42 are arranged on the outer side surface of the inner rail component 3 at intervals along the length direction of the second pull rod 41, a second guide groove 412 for the second guide pin 42 to slide relatively is formed in the second pull rod 41 along the length direction, and the second guide pins 42 and the second guide groove 412 are arranged to provide a guide effect for the movement of the second pull rod 41 relative to the length direction of the inner rail component 3; a second reset elastic piece 43 is further installed between the inner rail assembly 3 and the second pull rod 41, when a force is applied to the second pull rod 41 to enable the second pull rod 41 to move forwards and unlock relative to the inner rail assembly 3, the second elastic piece 43 is compressed and deformed, and when the force is cancelled, the second pull rod 41 moves backwards and resets under the elastic force of the second elastic piece 43.
The principle of the front lock assembly 4 is similar to that of the rear lock assembly 5, and the long-strip-shaped pull rod two 41 or the long-strip-shaped pull rod one 52 are adopted respectively, so that remote unlocking operation is facilitated, the problem that the existing work can be completed only by matching two persons is solved, remote single operation is achieved, and the front lock assembly is convenient to use, reliable and good in practicability.
The use mode of the invention is as follows:
the three sections of rails slide out relatively and are locked mutually, namely the middle rail assembly 2 on the inner side of the outer rail assembly 1 slides out forwards, the clamping pin 54 slides into the clamping groove 61 of the elastic body 6, and the rear lock assembly 5 is locked; sliding the inner rail assembly 3 forwards, enabling the shifting sheet 44 to rotate and then clamping the shifting sheet with the buckle 21, enabling the buckle 21 to be located between the shifting sheets 44 of the two groups of locking assemblies, and locking the front lock assembly 4;
the first pull rod 52 is forced to move forwards relative to the middle rail assembly 2, and the bulge 521 at the rear end of the first pull rod 52 applies force to the elastic body 6 towards the outer rail assembly 1, so that the bulge 521 is compressed; then force is applied to the middle rail assembly 2 backwards, the clamping pin 54 slides out of the clamping groove 61 of the elastic body 6, the locking between the middle rail assembly 2 and the outer rail assembly 1 is unlocked, and the middle rail assembly 2 slides in backwards relative to the outer rail assembly 1;
as the middle rail assembly 2 slides in backwards relative to the outer rail assembly 1, the bayonet 54 on the middle rail assembly 2 approaches and contacts the triangular convex hull 13, the bayonet 54 moves along the inclined edge of the triangular convex hull 13 relative to the outer rail assembly 1, namely, the bayonet 54 moves along the sliding groove 22 relative to the middle rail assembly 2, the torsion spring 55 deforms, until the bayonet 54 moves to the bayonet 11 between the triangular convex hull 13 and the elastic sheet 12, the bayonet 54 resets relative to the middle rail assembly 2 under the action of the torsion spring 55, so that the bayonet 54 falls into the bayonet 11, the sliding locking of the middle rail assembly 2 relative to the outer rail assembly 1 realizes the backward sliding in of the middle rail assembly 2 relative to the outer rail assembly 1, and therefore, enough space is left in front of the machine room;
as shown in fig. 4, the second pull rod 41 of the upper locking assembly is pulled forward to move forward relative to the inner rail assembly 3, the V-shaped notch 411 at the rear end of the second pull rod 41 applies force to the poking piece 44, so that the poking piece 44 rotates relative to the inner rail assembly 3, the poking piece 44 is separated from the buckle 21 on the inner side surface of the middle rail assembly 2, the locking in the relative sliding-out direction between the middle rail assembly 2 and the inner rail assembly 3 is unlocked, the force is applied forward to the inner rail assembly 3, so that the inner rail assembly 3 completely slides out of the middle rail assembly 2, and the server is detached along with the inner rail assembly 3.
After the server is maintained, the rear end of the inner rail assembly 3 slides into the position, corresponding to the middle rail assembly 2, where the buckle 21 is located between the shifting pieces 44 of the two locking assemblies, and the front lock assembly 4 is locked; the second pull rod 41 of the lower locking assembly is pulled forwards to move forwards relative to the inner rail assembly 3, so that the corresponding shifting piece 44 is separated from the buckle 21 on the inner side surface of the middle rail assembly 2, the middle rail assembly 2 and the inner rail assembly 3 are locked and unlocked in the relative sliding-in direction, and force is applied to the inner rail assembly 3 backwards to enable the inner rail assembly 3 to slide in relative to the middle rail assembly 2;
as the inner rail assembly 3 slides backwards relative to the middle rail assembly 2, the L-shaped convex hull 31 on the inner rail assembly 3 acts on the bayonet 54 on the middle rail assembly 2, the bayonet 54 is jacked up by the L-shaped convex hull 31, so that the bayonet 54 moves along the sliding groove 22 to be disengaged from the bayonet 11 of the outer rail assembly 1, and the locking between the bayonet 54 and the locking structure is unlocked; thereby realizing complete relative sliding-in among the inner rail assembly 3, the middle rail assembly 2 and the outer rail assembly 1.
The invention has simple operation and convenient and reliable use, effectively assists in smoothly carrying out maintenance operation, greatly assists in improving the space density of the server in the machine room and has good practicability.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (10)
1. A long-range back locking structure that unlocks, includes along length direction relative sliding connection's well rail subassembly (2) and outer rail subassembly (1), its characterized in that: a rear lock assembly (5) is arranged between the front end part of the middle rail assembly (2) and the front end part of the outer rail assembly (1); pulling the pull rod I (52) along the length direction to unlock the rear lock assembly (5) so that the middle rail assembly (2) slides backwards relative to the outer rail assembly (1); the side face of the rear end of the outer rail assembly (1) facing the middle rail assembly (2) is provided with a locking structure, and the rear end of the middle rail assembly (2) which slides backwards is locked by the locking structure at the rear end of the outer rail assembly (1).
2. The remote unlocking structure of claim 1, wherein: the structure of the rear lock assembly (5) is as follows: the middle rail assembly comprises a first pull rod (52) which is arranged on the side surface of the middle rail assembly (2) in a sliding mode along the length direction, and a clamping pin (54) is arranged on the middle rail assembly (2) above the first pull rod (52); an elastic body (6) is clamped on the side surface of the outer rail component (1), the middle part of the elastic body (6) bulges towards the direction of the middle rail component (2), and a clamping groove (61) clamped with the clamping pin (54) is formed in the elastic body (6); the rear end of the first pull rod (52) extends towards the direction of the outer rail assembly (1) to form a bulge (521), and when the first pull rod (52) is pulled forwards, the bulge (521) applies force towards the outer rail assembly (1) to the elastic body (6).
3. The remote unlocking structure of claim 2, wherein: a plurality of first guide pins (53) are arranged on the side surface of the middle rail assembly (2) at intervals along the length direction of the first pull rod (52), and first guide grooves (522) for the first guide pins (53) to slide relatively are formed in the first pull rod (52) along the length direction; and a first reset elastic part (51) is also arranged between the middle rail assembly (2) and the first pull rod (52).
4. The remote unlocking structure of claim 2, wherein: the bayonet lock (54) is arranged at the rear end part of the middle rail component (2), and a sliding groove (22) for the bayonet lock (54) to slide is formed in the middle rail component (2) along the width direction; the front end of the outer rail assembly (1) is provided with a bayonet (11) towards the middle rail assembly (2), the bayonet (54) is clamped into the bayonet (11), and the bayonet (11) forms a locking structure at the rear end of the outer rail assembly (1).
5. The remote unlocking structure of claim 4, wherein: an elastic piece (12) is arranged at the front end of the outer rail component (1), the middle part of the elastic piece (12) bulges towards the direction of the middle rail component (2), and a triangular convex hull (13) extends from the side surface of the outer rail component (1) positioned in front of the elastic piece (12) towards the direction of the middle rail component (2); the bevel edge of the triangular convex hull (13) faces the front, and a bayonet (11) is formed between the rear end of the triangular convex hull (13) and the elastic sheet (12); and a torsion spring (55) is also arranged between the clamping pin (54) and the middle rail component (2).
6. The remote unlocking structure of claim 4, wherein: the outer rail assembly (1), the middle rail assembly (2) and the inner rail assembly (3) are sequentially connected in a sliding mode from outside to inside and adjacent to each other; the rear end of the inner rail assembly (3) extends towards the middle rail assembly (2) to form an L-shaped convex hull (31), and along with the backward sliding of the inner rail assembly (3) relative to the middle rail assembly (2), the L-shaped convex hull (31) acts on the bayonet lock (54), so that the bayonet lock (54) moves along the sliding groove (22) to be separated from the bayonet (11), and the bayonet lock (54) and the locking structure are unlocked.
7. The remote unlocking structure of claim 6, wherein: a front lock assembly (4) is arranged between the front end of the middle rail assembly (2) and the inner rail assembly (3); preceding lock subassembly (4) are including two sets of locking subassemblies that interior rail subassembly (3) lateral surface parallel arrangement from top to bottom, and a set of locking subassembly is with interior rail subassembly (3) direction locking for well rail subassembly (2) roll-in, and another group locking subassembly is with interior rail subassembly (3) direction locking for well rail subassembly (2) roll-off.
8. The remote unlocking structure of claim 7, wherein: the two groups of locking assemblies have the same structure, and the single group of locking assemblies has the following structure: the pull rod II (41) is slidably mounted on the outer side surface of the inner rail component (3) along the length direction, a V-shaped notch (411) is formed in the front end portion of the pull rod II (41), and a shifting piece (44) is rotatably mounted on the outer side surface of the inner rail component (3) located at the V-shaped notch (411); the inner side surface of the middle rail component (2) is bent and extended towards the direction of the inner rail component (3) to form a buckle (21), and the end of the shifting sheet (44) is clamped with the end of the buckle (21); the pull rod II (41) is pulled backwards, and force is applied to the shifting sheet (44) through the V-shaped notch (411), so that the shifting sheet (44) rotates relative to the inner rail assembly (3) to be separated from the buckle (21);
the buckle (21) is positioned between the shifting sheets (44) of the two groups of locking assemblies, so that the inner rail assembly (3) is locked relative to the sliding direction of the middle rail assembly (2); the rear end parts of the second pull rods (41) of the two groups of locking assemblies are respectively provided with a hand pinching part (413) convenient to pull.
9. The remote unlocking structure of claim 8, wherein: the poking sheet (44) is rotationally connected with the inner rail assembly (3) through a rotating pin (45), the poking sheet (44) rotates by taking the rotating pin (45) as a center, and a torsional spring for rotational reset is further arranged between the poking sheet (44) and the inner rail assembly (3); the poking sheet (44) is provided with a third guide groove (441) of an arc structure taking the rotating pin (45) as a circle center, and the inner rail component (3) is provided with a third guide pin (46) inserted into the third guide groove (441).
10. The remote unlocking structure of claim 8, wherein: a plurality of second guide pins (42) are arranged on the outer side surface of the inner rail assembly (3) at intervals along the length direction of the second pull rod (41), and second guide grooves (412) for the second guide pins (42) to slide relatively are formed in the second pull rod (41) along the length direction; and a second reset elastic part (43) is also arranged between the inner rail assembly (3) and the second pull rod (41).
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| CN202011330599.7A CN112543574B (en) | 2020-11-24 | 2020-11-24 | Remote unlocking and locking structure |
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