CN102238841A - Slide rail mechanism - Google Patents

Slide rail mechanism Download PDF

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Publication number
CN102238841A
CN102238841A CN2010101571492A CN201010157149A CN102238841A CN 102238841 A CN102238841 A CN 102238841A CN 2010101571492 A CN2010101571492 A CN 2010101571492A CN 201010157149 A CN201010157149 A CN 201010157149A CN 102238841 A CN102238841 A CN 102238841A
Authority
CN
China
Prior art keywords
slide rail
positioning
sliding track
holding body
track mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2010101571492A
Other languages
Chinese (zh)
Inventor
余末明
陈泽鸿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN2010101571492A priority Critical patent/CN102238841A/en
Priority to US12/861,900 priority patent/US20110262060A1/en
Publication of CN102238841A publication Critical patent/CN102238841A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1485—Servers; Data center rooms, e.g. 19-inch computer racks
    • H05K7/1488—Cabinets therefor, e.g. chassis or racks or mechanical interfaces between blades and support structures
    • H05K7/1489—Cabinets therefor, e.g. chassis or racks or mechanical interfaces between blades and support structures characterized by the mounting of blades therein, e.g. brackets, rails, trays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • 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
    • H05K7/183—Construction of rack or frame support rails therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/007—Three slide synchronisation

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Drawers Of Furniture (AREA)

Abstract

The invention provides a slide rail mechanism. The slide rail mechanism comprises an inner slide rail, a middle slide rail, an outer slide rail and a clamping assembly, wherein the middle slide rail is slidably arranged in the outer slide rail; the inner slide rail is slidably arranged in the middle slide rail; the clamping assembly comprises a first clamping body and a second clamping body which are arranged on the inner slide rail, a positioning body which is slidably inserted in the middle slide rail, and a third clamping body arranged on the outer slide rail; when the inner slide rail slides out forwardly, the positioning body is clamped with the second clamping body to lock the inner slide rail in the middle slide rail and enable the inner slide rail and the middle slide rail to further slide forward relative to the outer slide rail till the inner slide rail is unlocked from the middle slide rail when the positioning body slides to the third clamping body and slides along the second clamping body; and when the inner slide rail slides in backwardly, the positioning body is clamped in the third clamping body of the outer slide rail to ensure that the middle slide rail cannot slide backward relative to the outer slide rail till the first clamping body of the inner slide rail slides by and presses against the positioning body to enable the positioning body to be detached from the third clamping body.

Description

Sliding track mechanism
Technical field
The present invention relates to a kind of sliding track mechanism.
Background technology
Sliding track mechanism is widely used between two article of relative motion, for example between drawer and cabinet or table and server and the rack.
Common server slide rail mechanism generally is the three-sectional slide rail, generally include rail in, a rail and an outer rail in one, its outer rail is fixed on the bracing frame of rack, rail then is fixed on the side of server in it, in rail be connected in this between the rail and this outer rail to extend the scope of activities of this server as the carrying rail, and make in this rail and in this rail can slidably reciprocate with respect to outer rail along the length direction of this outer rail, therefore, middle rail and interior rail need to slide synchronously a segment distance in the process of sliding, interior then rail continues to skid off, and server just can freely be drawn out or push back rack by slide rail.Yet middle rail is not to holding outer rail when putting in place, and interior rail therefrom rail skids off, and rail can't pushed home in making, and influences the normal use of this slide rail.
Summary of the invention
In view of this, be necessary to provide a kind of sliding track mechanism that puts in place that holds.
This clamping and holding assembly comprises first holding body and second holding body of being located at interior slide rail, positioning body that one slides is arranged in middle slide rail and the 3rd holding body of being located at this external slide rail, when slide rail in this skids off forward, this positioning body holds mutually with second holding body and realizes that interior sliding track lock is held in middle slide rail and relative in the lump this external slide rail continues to front slide, slide to the 3rd holding body and when second holding body slides until this positioning body, the middle relatively slide rail release of slide rail in realizing, when slide rail in this slips into backward, this positioning body be fastened in the 3rd holding body of this external slide rail and make in slide rail relatively this external slide rail slide backward, first holding body of slide rail slips over and pushes this positioning body and makes this positioning body break away from the 3rd holding body of this external slide rail in this.
Compared to prior art, described sliding track mechanism holds by this positioning body and second holding body of interior slide rail and realizes holding and stable synchronous slip of the relative middle slide rail of interior slide rail, when this body slides to the 3rd summit of external slide rail and when second holding body slides, middle slide rail holds slide rail, slide rail side and middle slide rail release in this moment; Slide rail breaks away from slide rail in advance and can't push back in effectively preventing.
Description of drawings
Fig. 1 is the perspective exploded view of preferred embodiment sliding track mechanism of the present invention.
Fig. 2 is the part enlarged diagram of sliding track mechanism shown in Figure 1.
Fig. 3 is the assembling schematic diagram of sliding track mechanism shown in Figure 1.
Fig. 4 is the floor map of sliding track mechanism shown in Figure 3.
Fig. 5 to Fig. 7 be in the sliding track mechanism shown in Figure 4 rail and the synchronous sliding state figure of interior rail wherein sliding track mechanism be in the state of holding.
Fig. 8 is rail and the preceding state diagram of interior rail release in the sliding track mechanism shown in Figure 7.
The main element symbol description
Interior slide rail 10
Main part 12
Outer surface 121
Inner surface 123
First guide edge 14
Middle slide rail 30
Mainboard 32
The bottom surface 321
Through hole 322
Buckle 323
Guide portion 34
Flanging 36
External slide rail 50
Plate body 51
The plate face 511
Second guide edge 52
Clamping and holding assembly 60
First holding body 61
First arc edge 611
First summit 613
Second holding body 62
Second arc edge 621
Second summit 623
Positioning body 63
Body 631
First positioning end 633
Second positioning end 635
Groove 637
Elastomer 64
Hold end 641
First extension 642
Second extension 643
The folding part 644
Bare terminal end 645
Stopper slot 65
First positive stop end 651
Second positive stop end 652
Hold projection 655
The 3rd holding body 66
The 3rd arc edge 661
Draw-in groove 662
The 3rd summit 663
Retaining wall 664
Embodiment
See also Fig. 1 to Fig. 3, the sliding track mechanism of preferred embodiment of the present invention can be used for server is installed in rack slidably.Described sliding track mechanism comprises in one slide rail 30, an external slide rail 50 and a clamping and holding assembly 60 in the slide rail 10.Wherein, this clamping and holding assembly 60 comprises first holding body 61 and second holding body 62, positioning body 63, the elastomer 64 of being located at interior slide rail 10, the 3rd holding body 66 of being located at the stopper slot 65 of middle slide rail 30 and holding projection 655 and be located at this external slide rail 50.
L shaped first guide edge 14 that slide rail 10 has a main part 12 and extends to form along described main part 12 dual-sides toward rightabout in described, described main part 12 is provided with an outer surface 121 and an inner surface 123.Described first holding body 61 and second holding body 62 are arranged on this main part 12, and these first holding body, 61 parts are connected in this main part 12, and protrude from this inner surface 123.This first holding body 61 is provided with one first arc edge 611.This first arc edge 611 protrudes from this inner surface 123 and the setting of staggering mutually, and this first arc edge 611 has one first summit 613.The roughly parallel and shape of this second holding body 62 with this first holding body 61 similar in appearance to, size is greater than this first holding body 61, it is provided with second arc edge 621 and protrudes these inner surfaces 123, and one second summit 623 is arranged.This second summit 623 is higher than this first summit 613.
Should have a mainboard 32 and two guide portion 34 by middle slide rail 30.This mainboard 32 is provided with the gear (figure does not show) of a bottom surface 321, a through hole 322, a buckle 323 and contiguous mainboard 32 1 ends.This through hole 322 and buckle 323 are located at a side of mainboard 32 upper bottom surfaces 321 at interval.This gear is located at the end of mainboard 32 near buckle 323.Extend to the direction perpendicular to bottom surface 321 earlier respectively on the both sides of described bottom surface 321, is bent to form described guide portion 34 to the direction that is parallel to bottom surface 321 again, extends upward and bend each subsequently more respectively and form the tabs 36 that parallels with described bottom surface 321.34 of described guide portion form a gap that can hold the main part 12 of described interior slide rail 10, are used to hold first guide edge 14 of described interior slide rail 10.
Described stopper slot 65 is opened on this mainboard 32 perpendicular to guide portion 34 directions, and itself and buckle 323 1 are located on the both sides of through hole 322.This stopper slot 65 is provided with one first positive stop end 651 and second positive stop end 653 that is interconnected.This holds projection 655 and protrudes from the direction opposite with the plate face 321 of mainboard 32, and itself and this through hole 322 1 is located on the both sides of these stopper slot 65 second positive stop ends 653.
This external slide rail 50 has L shaped second guide edge 52 that a plate body 51 and two is extended in opposite directions by plate body 51 dual-sides.This external slide rail 50 can be fixed in the rack both sides.This plate body 51 is provided with a plate face 511, and this second guide edge 52 extends to the direction perpendicular to plate face 511 earlier respectively along described plate body 51 both sides, is bent to form to the direction that is parallel to plate face 511 again.Should be installed in the space that forms between this 2 second guide edge 52 by middle slide rail 30, this 2 second guide edge 52 is accommodated guide portion 34, and this second guide edge 52 supports with this flanging 36.
Described the 3rd holding body 66 is arranged at this plate body 51 approximate mid-section positions, and it is for protruding the lamellar body of this plate face 511.The 3rd holding body 66 is provided with one the 3rd arc edge 661.The 3rd arc edge 661 is provided with draw-in groove 662 and one the 3rd summit 663.This draw-in groove 662 is a circular arc, is positioned at that the 3rd arc edge 661 middle parts connect that the 3rd holding body 66, the three summits 663 are connected by curve slope with this draw-in groove 662 and highly suitable with this first summit 613.The 3rd summit 663 is provided with a retaining wall 664 away from draw-in groove 662 1 ends, and it can hold projection 655 with this and hold.
Described positioning body 63 comprises a disc-shaped body 631, one cylindric first positioning end 633 and cylindric second positioning end 635.This first positioning end 633 and one second positioning end 635 are extended to form by these body 631 two opposite surfaces, and are provided with an annular groove 637 between this first positioning end 633 and this body 631.The periphery wall of this first positioning end 633 can slide along first arc edge 611 and second arc edge 621.Be provided with an annular support slot (figure is mark not) between this second positioning end 635 and this body 631, this second positioning end 635 can pass this stopper slot 65 and hold by draw-in groove, can slide along the 3rd arc edge 661 by periphery wall.
Described elastomer 64 is a roughly V-shaped torsion spring, and it is provided with an arc and holds end 641 and hold 641 open relatively first extension 642 and second extensions 643 that extend by holding.Wherein, the middle part of first extension, 642 folding parts is provided with a step-like folding part 644, and it can pass and be fastened on the through hole 322.The end of second extension 643 is bent to form the bare terminal end 645 of semiclosed annular.
See also Fig. 4, elastomer 64 is installed in this on slide rail 30, and the end 641 that holds of this elastomer 64 is fastened on the buckle 323, and this first extension 642 passes through hole 322 from this bottom surface 321, and this folding part 644 is fastened in this through hole 322 1 sides; This bare terminal end 645 is sheathed in the groove 637 that is fastened in positioning body 63, second positioning end 635 of this positioning body 63 passes this stopper slot 65 and the support slot by second positioning end 635 is fastened in bottom surface 321, deviates from from stopper slot 65 1 ends but second positioning end 635 of this positioning body 63 of first extension, 642 butts of this elastomer 64 prevents positioning body 63; Should in slide rail 10 be assemblied in this on slide rail 30, this first guide edge 14 slidably is installed in the guide portion 34, first positioning end of this positioning body 63 is held in 613 places, first summit of first holding body 61, second extension, 643 relative first extension, 642 elastic closures; Middle slide rail 30 of slide rail 10 was assemblied on this external slide rail 50 in this was equipped with, and the guide portion 34 that this second guide edge 52 will be somebody's turn to do middle slide rail 30 is accommodated and offseted with this flanging 36, and slide rail 30 slidably is assemblied on this external slide rail 50 in this.Fig. 4 shows that interior slide rail 10, middle slide rail 30 and external slide rail 50 are in closure state.
See also Fig. 5 and Fig. 6, when sliding this sliding track mechanism, along slide rail 10 in the pulling of the diagram direction of arrow, first positioning end 633 of this positioning body 63 slides from first summit 613 in first arc edge 611 along first holding body 61 and holds until the minimum point that slides into first arc edge 611 and with these second holding body, 62 1 ends, the middle relatively slide rail 30 of interior slide rail 10 slips off a distance, at this moment, slide rail 30 relative holding in being somebody's turn to do interior slide rail 10 and being somebody's turn to do, in this process, this positioning body 63 slides into first positive stop end 651 along stopper slot 65, and second extension, 643 relative first extension, 642 elasticity of elastomer 64 are opened.
See also Fig. 7, continue slide rail 10 in the pulling, because of first positioning end 633 of this positioning body 63 with should in second holding body 62 of slide rail 10 hold, and slide rail 30 common external slide rails relatively 50 slided during slide rail 10 drove in making, this second positioning end 635 slides to the 3rd holding body 66 places and along the 3rd arc edge 661 and slides to draw-in groove 662 edges, at this moment, this positioning body 63 just is positioned at the medium position of this stopper slot 65, second extension, 643 relative first extension, 642 closures of this elastomer 64; Continue slide rail 30 relative external slide rails 50 slips in slide rail 10 drives in the pulling, elastomer 64 discharges elastic torsion, second positioning end 635 of this positioning body 63 is slipped in the draw-in groove 662, and in this process, first positioning end 633 keeps the state that holds with second holding body 62 that is somebody's turn to do interior slide rail 10.
See also Fig. 8, continue slide rail 10 in the pulling, this second holding body 62 makes second positioning end 635 slide to 663 positions, the 3rd summit along the inclined-plane between draw-in groove 662 and the 3rd summit 663, simultaneously, first positioning end 633 of this positioning body 63 is positioned on second summit 623 of this second arc edge 621, this retaining wall 664 that holds on projection 655 and the 3rd holding body 66 holds, and slide rail 30 just holds with this external slide rail 50 in this.At this moment, elastomer 64 is in closure state and elasticity of saving potential energy, this positioning body 63 is positioned at second positive stop end 652 of stopper slot 65, continue slide rail 10 in the pulling again, this first positioning end 633 slides to minimum point along second arc edge 621, middle relatively slide rail 30 releases of slide rail 10 in this, continue slide rail 10 in the pulling, its middle relatively slide rail 30 skids off, and has so increased the tensile elongation of interior slide rail 10, and server host is extracted out fully in the rack outside.
When pushing back server in the rack, slide rail 10 in advancing, second arc edge 621 of this second holding body 62 makes first positioning end 633 of this positioning body 63 slide to second summit 623, slide rail 10 can make middle slide rail 30 slide back with the frictional force of middle slide rail 30 simultaneously, when this second summit 623 slips over the 3rd summit 663, because the slip of middle slide rail 30, second positioning end 635 of this positioning body 63 just slips into draw-in groove 662 along the inclined-plane, slide rail 30 continues to hold with external slide rail 50 in this thereby make, slide rail 10 in continuing to promote, make first positioning end 633 of positioning body 63 slide first summit 613 to this first holding body 61, this second positioning end 635 skids off draw-in groove 662, slide rail 30 relative external slide rail 50 releases in being somebody's turn to do, meanwhile, slide rail 10 supports with the gear that is somebody's turn to do middle slide rail 30 in this, slide rail 10 in continuing to promote, slide rail 30 was synchronized with the movement during interior slide rail 10 drove, and common external slide rail relatively 50 slides and gets back to initial condition.

Claims (10)

1. sliding track mechanism, it comprises slide rail in, a slide rail and an external slide rail in one, the slide rail carriage is within this external slide rail in being somebody's turn to do, should in slide rail carriage in described within the slide rail, it is characterized in that: this sliding track mechanism also comprises a clamping and holding assembly, this clamping and holding assembly comprises first holding body and second holding body of being located at interior slide rail, positioning body that one slides is arranged in middle slide rail and the 3rd holding body of being located at this external slide rail, when slide rail in this skids off forward, this positioning body holds mutually with second holding body and realizes that interior sliding track lock is held in middle slide rail and relative in the lump this external slide rail continues to front slide, slide to the 3rd holding body and when second holding body slides until this positioning body, the middle relatively slide rail release of slide rail in realizing, when slide rail in this slips into backward, this positioning body be fastened in the 3rd holding body of this external slide rail and make in slide rail relatively this external slide rail slide backward, first holding body of slide rail slips over and pushes this positioning body and makes this positioning body break away from the 3rd holding body of this external slide rail in this.
2. sliding track mechanism as claimed in claim 1, it is characterized in that: this sliding track mechanism also comprises an elastomer, this stopper slot is provided with first positive stop end and second positive stop end of perforation, this elastomer is installed in this on slide rail, and be sheathed on the positioning body, for this positioning body provides elastic force along sliding between first positive stop end of stopper slot and second positive stop end.
3. sliding track mechanism as claimed in claim 1 is characterized in that: this first holding body is provided with first arc edge, and this first arc edge has one first summit; This second holding body and this first holding body are provided with at interval, and it is provided with second arc edge, and this second arc edge has one second summit, and this second summit is higher than this first summit and is provided with at interval.
4. sliding track mechanism as claimed in claim 3, it is characterized in that: the 3rd holding body is provided with one the 3rd arc edge, the 3rd arc edge is provided with draw-in groove, one the 3rd summit and retaining wall, the 3rd summit is connected by curve slope with this draw-in groove and is suitable with this first apex height, and this retaining wall is located at the end of the 3rd summit away from draw-in groove.
5. sliding track mechanism as claimed in claim 4, it is characterized in that: slide rail laterally offers stopper slot in this, this positioning body comprises body and first positioning end and second positioning end that are extended by this body two opposite surfaces, this first positioning end outer rim can slide along first arc edge and second arc edge, and this second positioning end passes stopper slot and slides along the 3rd arc edge.
6. sliding track mechanism as claimed in claim 5, it is characterized in that: also be provided with one in this on the slide rail and hold projection, this holds the side that projection is positioned at this stopper slot second positive stop end, deserve this positioning body when sliding to the 3rd summit, this holds projection and holds with this retaining wall, being held on the external slide rail by middle sliding track lock.
7. sliding track mechanism as claimed in claim 5, it is characterized in that: this elastomer is provided with an arc and holds end and hold open relatively first extension and second extension that extends by holding, this positioning body is provided with groove and the draw-in groove that is positioned at the body both sides, this second extension end is provided with sheathed and is fastened in bare terminal end on this groove, and this positioning body can slide along stopper slot by draw-in groove.
8. sliding track mechanism as claimed in claim 7, it is characterized in that: slide rail also comprises mainboard in this, this mainboard is provided with the bottom surface, run through the through hole of mainboard and be located at buckle on the bottom surface, this elastomeric first extension middle part is provided with a folding part, this holds end and is sheathed on the buckle, this folding part can be passed and be fastened on the through hole, thereby positioning body is installed in this on slide rail.
9. sliding track mechanism as claimed in claim 8 is characterized in that: deviate from from stopper slot one end but second positioning end of this this positioning body of first extension butt prevents positioning body.
10. sliding track mechanism as claimed in claim 1, it is characterized in that: slide rail also comprises 2 first guide edges in this, and slide rail also comprises two guide portion in this, and this external slide rail cuts has 2 second guide edges, this guide portion is held this this first guide edge, and this 2 second guide edge is accommodated guide portion.
CN2010101571492A 2010-04-27 2010-04-27 Slide rail mechanism Pending CN102238841A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2010101571492A CN102238841A (en) 2010-04-27 2010-04-27 Slide rail mechanism
US12/861,900 US20110262060A1 (en) 2010-04-27 2010-08-24 Sliding mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101571492A CN102238841A (en) 2010-04-27 2010-04-27 Slide rail mechanism

Publications (1)

Publication Number Publication Date
CN102238841A true CN102238841A (en) 2011-11-09

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ID=44815840

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (2)

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US (1) US20110262060A1 (en)
CN (1) CN102238841A (en)

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CN107387557A (en) * 2017-07-06 2017-11-24 泛亚电子工业(无锡)有限公司 A kind of latch mechanism and three section slide rails that three section slide rail orders can be achieved and slide
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CN106793666B (en) * 2016-12-13 2022-06-10 无锡海达尔精密滑轨股份有限公司 Three-section sliding rail capable of moving sequentially
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Application publication date: 20111109