CN102772046B - Locking device of slide rail assembly - Google Patents
Locking device of slide rail assembly Download PDFInfo
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- CN102772046B CN102772046B CN201110134105.2A CN201110134105A CN102772046B CN 102772046 B CN102772046 B CN 102772046B CN 201110134105 A CN201110134105 A CN 201110134105A CN 102772046 B CN102772046 B CN 102772046B
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- rail
- locking piece
- block body
- button
- moving part
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Abstract
The invention relates to a locking device of a slide rail assembly. The device comprises a first retainer, a locking piece and a retaining pin. The first retainer arranged on a first rail is provided with an inclined plane and a retaining wall; the locking piece is movably installed on a second rail; the second rail is slidably connected with the first rail; the second rail comprises a slide groove and a prop-against groove; the locking piece comprises an operation component, a guide groove, and a positioning pin propping against one side of the prop-against groove; the guide groove is inclined and corresponding to the slide groove of the second rail; the retaining pin is movably installed in the slide groove of the second rail, and an exposed part of the retaining pin penetrates in the guide groove of the locking piece, slides in the slide groove under the operation of the locking piece and the guidance of the guide groove, is corresponding to the first retainer at a clamping position, and is then clamped with the retaining wall of the first retainer, thus the second rail is locked with the first rail.
Description
Technical field
The present invention relates to a kind of locking device of slide rail assembly, refer to that especially a kind of the first rail and the second rail that is used for controlling three-section type sliding track can lock at stowed position, and make blocked this second rail remove the synchro-draw effect of itself and the 3rd rail, and can not move with the 3rd rail of opening.
Background technology
" the interlock locating structure of sliding track stretching " patent of invention that No. CN100515275th, the bulletin that the applicant of take has is example, the design of this case is middle rail can be synchronizeed and stretched from outer rail with interior rail, and behind the relative outer rail of middle rail location, can make interior rail and middle rail solution pull and separately interior rail is stretched to completely launches, and when folding, interior rail and middle rail sequentially can be regained to outer rail.
The inventor is short of the function that the second rail (middle rail) can be locked at stowed position with respect to the first rail (outer rail) in view of the design of front case multi-section type slide rail, and can not remove separately the second rail (middle rail) with the effect of the 3rd rail (interior rail) synchro-draw.And, this slide rail actual installation is when the object of cabinet, drawer and so on, this first rail (outer rail) is to be installed on cabinet and to connect this second rail (middle rail), the 3rd rail (interior rail) is to be installed on drawer, and the 3rd rail (interior rail) relatively this second rail (middle rail) can insert and connect or dismounting.When the 3rd rail (interior rail) is wanted when this second rail (middle rail) is dismantled, in the time of namely will pulling down drawer, first the action of this slide rail is that the 3rd rail (interior rail) is synchronizeed and stretched from the first rail (outer rail) with this second rail (middle rail), the part rail section of this second rail (middle rail) is stretched from this first rail (outer rail), afterwards again by the 3rd rail (interior rail) relatively this second rail (middle rail) pull out disengaging completely, and such unloading process, the required operating space depth of slide rail at least must be greater than the total length of the 3rd rail (interior rail) and add the length that this second rail (middle rail) is stretched and launches.Therefore, if when a remaining space depth of placing cabinet can only meet the total length length of the 3rd rail (interior rail), aforementioned slide rail is inapplicable, i.e. the design of this front case cannot meet the installation requirements of small space.
Therefore, just have another kind of design must be provided, so that the use of aforementioned slide rail is more thorough.
Summary of the invention
The object of the present invention is to provide a kind of locking device of slide rail assembly, to realize:
Control the function that there is locking and discharge between two joint rail parts of multi-section type slide rail.
Another object of the present invention is to provide a kind of locking device of slide rail assembly, to realize:
The two joint rail parts of controlling multi-section type slide rail are locked at stowed position, and another rail part can be stretched separately launch and dismantle, and to be useful in narrow space, install and use.
The locking device of slide rail assembly according to an aspect of the present invention, comprises one first block body, a locking piece and a backing pin, is characterized in: described the first block body, be arranged on one first rail, and this first block body has one end that an inclined-plane and a retaining wall are positioned at this inclined-plane; Described locking piece, be arranged on actively one second rail, this second rail this first rail that is slidably connected, and this second rail comprises a chute and a butt groove, and this locking piece comprises an operating portion, a guide channel, and one angle be against a side of this butt groove, and this guide channel tilts, and corresponding to the chute of this second rail; And this backing pin, be arranged on actively the chute of this second rail, and expose in the guide channel that a part is set in this locking piece, and be subject to the operation of this locking piece, the guiding of this guide channel and along this chute slide and Yi Suoche position corresponding to this first block body, and then with the mutual clip of retaining wall of this first block body, make this second rail be locked in this first rail.
Wherein, described the 3rd rail has one second block body, this second block body is corresponding to the button of this synchronous moving part, and in the button perk normally of this synchronous moving part and expose under the state above the perforate of this second rail, this second block body and this button fasten mutually.
Wherein, a side of described butt groove has one first depressed part and one second depressed part, changes position support into location with this angle for this locking piece.
Wherein, described the second rail comprises a pair of fixing hole, this locking piece comprise a pair of elongated slot corresponding to this of this second rail to fixing hole, and with a pair of steady pin respectively through this of the elongated slot of this locking piece and affixed this second rail to fixing hole.
Accompanying drawing explanation
For further illustrating, confirm above-mentioned purpose of the present invention, design feature and effect, below with reference to accompanying drawing, the present invention is described in detail, wherein:
Fig. 1 is the configuration schematic diagram of the slide rail assembly of the embodiment of the present invention.
Fig. 2 is the configuration schematic diagram of the synchronous moving part of the embodiment of the present invention.
Fig. 3 is the locking piece of the embodiment of the present invention and the combination schematic diagram of synchronous relative the second rail of moving part.
Fig. 4 is that relative this first rail of the second rail of the embodiment of the present invention is at the locking schematic diagram of stowed position.
Fig. 5 is that the embodiment of the present invention unlocks according to Fig. 4, makes the schematic diagram that the 3rd rail and this second rail can synchronous shift.
The specific embodiment
As shown in Figure 1, show that a slide rail assembly comprises one first rail 10; One second rail 12 this first rail 10 that is longitudinally slidably connected; One the 3rd rail 14 this second rail 12 that is longitudinally slidably connected; An and locking device.This locking device comprises:
One first block body 16, is arranged on this first rail 10, and this first block body 16 has an inclined-plane 18 and a retaining wall 20 is positioned at 18 one end, this inclined-plane.
One locking piece 22, is arranged on this second rail 12 actively, and this second rail 12 comprises a perforate 24, a pair of fixing hole 26, a chute 28 and a butt groove 30.Wherein, a side of this butt groove 30 has one first depressed part 32 and one second depressed part 34.The forward and backward two ends of this locking piece 22 comprise a release portion 36 and an operating portion 38, and this that comprises between this release portion 36 and this operating portion 38 that a pair of elongated slot 40 corresponds respectively to this second rail 12 to fixing hole 26, a guide channel 42 corresponding to the chute 28 of this second rail 12 and an angle 44 the butt groove 30 corresponding to this second rail 12, this angle 44 is also against a side of this butt groove 30.Preferably, this guide channel 42 tilts.The first depressed part 32 of this butt groove 30 and the second depressed part 34 are can change position for this locking piece 22 to support into location with this angle 44.
One backing pin 46, is arranged on the chute 28 of this second rail 12 actively, and exposes in the guide channel 42 that a part is set in this locking piece 22.
According to aforesaid configuration, this backing pin 46 be the operation that can be subject to this locking piece 22, this guide channel 42 guiding and along this chute 28 slide and Yi Suoche position corresponding to this first block body 16, and then with the mutual clip of retaining wall 20 of this first block body 16, make this second rail 12 be locked in this first rail 10.
Preferably, this locking piece 22 with a pair of steady pin 48 respectively through the elongated slot 40 of this locking piece 22 and be fixed in this second rail 12 this to fixing hole 26.
In a preferred embodiment, also comprise synchronous this second rail 12 of moving part 50 pivot joints, and the perforate 24 of this second rail 12 is accommodating for this synchronous moving part 50, and affixed this second rail 12 of an elastic component 52.
As shown in Figures 2 and 3, this synchronous moving part 50 comprises that a first end 54, one second end 56 and a center section part 58 are between this first end 54 and this second end 56, this first end 54 has a button 60, and with this center section part 58 of trunnion 62 companies of wearing, make this synchronous this second rail 12 of moving part 50 pivot joints.This elastic component 52 provides the second end 56 of this synchronous moving part 50 of elastic force effect, make this synchronous moving part 50 first end 54 button 60 perk normally and expose above the perforate 24 of this second rail 12, and this button 60 is the release portions 36 corresponding to this locking piece 22.
In addition, then consult Fig. 1, the 3rd rail 14 comprises one second block body 64, and the button 60 of this synchronous moving part 50 is also the second block body 64 corresponding to the 3rd rail 14.When this button 60 is perks and while exposing above the perforate 24 at this second rail 12, this second block body 64 can fasten mutually with this button 60, under state like this, this second rail 12 can be pulled out and synchronous shift by the 3rd rail 14,
As shown in Figure 4, show that relative this first rail 10 of this second rail 12 is at stowed position, and lock with this locking device.Its mode of operation of locking is operating portion 38 displacements of pulling this locking piece 22, make the angle 44 of this locking piece 22 be moved to the second depressed part 34 location by the first depressed part 32 that was originally against the butt groove 30 of this second rail 12, and this backing pin 46 is driven by the guide channel 42 of this locking piece 22 and is moved to Yi Suoche position corresponding to this first block body 16 along the chute 28 of this second rail 12, and then with this backing pin 46 the mutual clip of retaining wall 20 with this first block body 16, make this second rail 12 be locked in this first rail 10; Meanwhile, the button 60 of the first end 54 of this synchronous moving part 50 also can be driven displacement and sink in the perforate 24 of this second rail 12 by the release portion 36 of this locking piece 22, makes this button 60 depart from the second block body 64 of the 3rd rail 14.And under this state, the 3rd rail 14 can be drawn out separately, and can not drive this second rail 12 synchronous shift, this second rail 12 is also locked in this first rail 10.
When the 3rd rail 14 and this second rail 12 are wanted to be pulled out and during synchronous shift by this first rail 10, as shown in Figure 5, this locking piece 22 is be pushed back and with angle 44, be against the first depressed part 32 of the butt groove 30 of this second rail 12, make release portion 36 pushing and pressing of releasing to the button 60 of this synchronous moving part 50 of this locking piece 22, the button 60 that makes this synchronous moving part 50 can be with the elastic force of this elastic component 52 and is replied perk and expose above the perforate 24 of this second rail 12, and fastens the second block body 64 at the 3rd rail 14.Therefore,, when the 3rd rail 14 is stretched, this second rail 12 can be with the 3rd rail 14 by synchro-draw displacement.
As previously mentioned, the locking device of slide rail assembly of the present invention, the first rail and the second rail that can be used to control three-section type sliding track can be locked at stowed position, and make blocked this second rail remove the synchro-draw effect of itself and the 3rd rail, and can not move with the 3rd rail of opening.The design that the present invention is such, particularly suitable is in the place of a confined space, for example, when the machine room depth of electronic equipment is little, its space is not easy to provide three-section type sliding track entirely take out expansion and dismantle while departing from, or during maintenance, only need local unlatching, design of the present invention can be catered to required, to facilitate installation or removal to safeguard those electronic equipments.
According to above explanation, known enhancement effect of the present invention and advantage are:
A. control the function that there is locking and discharge between two joint rail parts of multi-section type slide rail.
B. the two joint rail parts of controlling multi-section type slide rail are locked at stowed position, and another rail part can be stretched separately launch and dismantle, and to be useful in narrow space, install and use.
Although the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, in the situation that not departing from spirit of the present invention, also can make variation and the modification of various equivalences, therefore, as long as the variation of above-described embodiment, modification all will be dropped in the scope of the application's claims within the scope of connotation of the present invention.
Claims (3)
1. a locking device for slide rail assembly, this device comprises one first block body, a locking piece and a backing pin, it is characterized in that:
Described the first block body, is arranged on one first rail, and described the first block body has an inclined-plane and a retaining wall, and this retaining wall is positioned at the one end on this inclined-plane;
Described locking piece, be arranged on actively one second rail, this second rail this first rail that is slidably connected, this second rail comprises a chute and a butt groove, and described locking piece comprises an operating portion, a guide channel, and an angle, this angle is against a side of this butt groove, and this guide channel tilts, and corresponding to the chute of this second rail;
Described backing pin, be arranged on actively the chute of this second rail, and expose in the guide channel that a part is set in described locking piece, and be subject to the operation of described locking piece, the guiding of this guide channel and along this chute slide and Yi Suoche position corresponding to described the first block body, and then with the mutual clip of retaining wall of described the first block body, make this second rail be locked in this first rail;
One the 3rd rail be slidably connected this second rail, synchronous this second rail of moving part pivot joint, and this second rail comprises that a perforate is accommodating for this synchronous moving part, and affixed this second rail of an elastic component, wherein, this synchronous moving part comprises a first end, one second end and a center section part, this center section part is between this first end and this second end, and this first end has a button; The second end that this elastic component provides an elastic force to act on this synchronous moving part, make this synchronous moving part first end button perk normally and expose above the perforate of this second rail; This locking piece has a release portion corresponding to this button, makes this button by the release portion of this locking piece, be driven displacement and to sink in the perforate of this second rail; And
Described the 3rd rail has one second block body, and this second block body is corresponding to the button of this synchronous moving part, and in the button perk normally of this synchronous moving part and expose under the state above the perforate of this second rail, this second block body and this button fasten mutually.
2. the locking device of slide rail assembly according to claim 1, it is characterized in that, one side of described butt groove has one first depressed part and one second depressed part, with the operating portion displacement of pulling this locking piece, makes this locking piece change position and supports into location with this angle.
3. the locking device of slide rail assembly according to claim 1, it is characterized in that, described the second rail comprises a pair of fixing hole, this locking piece comprise a pair of elongated slot corresponding to this of this second rail to fixing hole, and with a pair of steady pin respectively through this of the elongated slot of this locking piece and affixed this second rail to fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134105.2A CN102772046B (en) | 2011-05-13 | 2011-05-13 | Locking device of slide rail assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134105.2A CN102772046B (en) | 2011-05-13 | 2011-05-13 | Locking device of slide rail assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102772046A CN102772046A (en) | 2012-11-14 |
| CN102772046B true CN102772046B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110134105.2A Active CN102772046B (en) | 2011-05-13 | 2011-05-13 | Locking device of slide rail assembly |
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| Country | Link |
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| CN (1) | CN102772046B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559964B (en) * | 2015-09-25 | 2019-03-19 | 川湖科技股份有限公司 | Sliding rail assembly and its bracket system |
| CN106889792B (en) * | 2015-12-10 | 2019-05-24 | 川湖科技股份有限公司 | Sliding rail assembly and its locking device |
| CN107028386B (en) * | 2016-02-01 | 2019-08-02 | 川湖科技股份有限公司 | Sliding rail assembly and its operating method |
| CN107763070B (en) * | 2016-08-15 | 2020-06-30 | 川湖科技股份有限公司 | Sliding rail assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926377B2 (en) * | 2002-08-08 | 2005-08-09 | Compx International Inc. | Drawer slide latch and release mechanism |
| TWM257691U (en) * | 2004-05-07 | 2005-03-01 | Nan Juen Int Co Ltd | Pull-out stopping component for slide rail of full-open type drawer |
| CN101190075B (en) * | 2006-11-29 | 2010-08-25 | 鸿富锦精密工业（深圳）有限公司 | Slideway device |
| TWI321996B (en) * | 2007-02-17 | 2010-03-21 | King Slide Works Co Ltd | Slide assembly having an automatic retractable device |
| CN101332022B (en) * | 2007-06-27 | 2010-11-10 | 鸿富锦精密工业（深圳）有限公司 | Slideway device |
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2011
- 2011-05-13 CN CN201110134105.2A patent/CN102772046B/en active Active
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| CN102772046A (en) | 2012-11-14 |
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