CN101669730A - Guide rail return traction device - Google Patents
Guide rail return traction device Download PDFInfo
- Publication number
- CN101669730A CN101669730A CN200810198418A CN200810198418A CN101669730A CN 101669730 A CN101669730 A CN 101669730A CN 200810198418 A CN200810198418 A CN 200810198418A CN 200810198418 A CN200810198418 A CN 200810198418A CN 101669730 A CN101669730 A CN 101669730A
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- Prior art keywords
- guide rail
- guiding piece
- guide groove
- extension spring
- contiguous block
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Abstract
The invention discloses a guide rail return traction device, which belongs to the field of furniture and comprises a tension spring guide rail, a connecting block, a traction block, a tension spring and a shifting fork, wherein the front end of the tension spring guide rail is provided with a first guide groove and a second groove, an elastic piece is arranged beside the second guide groove, and the rear end of the tension guide rail is provided with a double bayonet; the connecting block is provided with a cylindrical connector, the double bayonet and a boss; the traction block is provided with a first convex cylinder, a second convex cylinder, a C-shaped notch and a traction notch; the tension spring is connected with the double bayonet of the tension spring guide rail and the double bayonet of the connecting block; the boss of the connecting block is embedded in the first guide groove of the tension spring guide rail, the cylindrical connector of the connecting block is embedded inthe C-shaped notch of the traction block; the first convex cylinder of the traction block is embedded in the first guide groove of the tension spring guide rail, and the second convex cylinder of thetraction block is embedded in the second guide groove of the tension spring; and the shifting fork is inserted into the traction notch of the traction block. The device makes guide rail product more compact and reliable in function. The device is suitable to be arranged in all three-section drawer guide rails to be used.
Description
Technical field
The invention belongs to field of furniture, especially a kind of annex of drawer guideway.
Background technology
High-grade drawer guideway product is equipped with a cover guide rail return buffer unit, and it is fashionable more steady and quiet that drawer is clapped.The guide rail return buffer unit mainly is made up of support, slide block, group pin, damping tube and energy-stored spring etc.; Support is fixed on the retaining rail, slide block, damping tube and energy-stored spring are rack-mount, slide block slides along the guide groove on the support, dial pin and be fixed on the movable rail,, dial pin traction slide block and move outward in the starting stage that drawer is outwards pulled out, the energy-stored spring that is connected on the slide block is stretched, the damping tube that is connected on the slide block is reset, and dials pin then and separates with slide block and make slide block be locked in the terminal point of guide groove, dials pin and follows drawer and continue to move outward; When drawer pushed back, the lock-out state of dialling pin releasing slide block also combined with slide block again, triggers energy-stored spring and damping tube retraction, and under the effect of damping tube, drawer is able to steadily voicelessly close.The guide rail return buffer unit of prior art is because its energy-stored spring and damping tube are arranged in parallel, thereby integral width is bigger, is not suitable for being installed on the less drawer guideway of width; Secondly the slide block of the guide rail return buffer unit of prior art leads and deflection by a guide groove on the support, occurs the fault that deflection state is difficult for locking easily, is necessary to improve.
Summary of the invention
The objective of the invention is to solve the problem of arrangement guide rail return buffer unit on narrower drawer guideway, a kind of guide rail return traction device is provided.
The present invention changes into arrangement in upright arrangement to the parallel arrangement of energy-stored spring and damping tube in the prior art guide rail return buffer unit, promptly prior art guide rail return buffer unit is divided into damping unit and two parts of guide rail return traction device.
Guide rail return traction device of the present invention comprises extension spring guide rail, contiguous block, guiding piece, extension spring and shift fork, and extension spring guide rail and shift fork are installed in respectively on the retaining rail and movable rail of drawer guideway; Extension spring guide rail front end has first guide groove and second guide groove, and first guide groove is a linear, and the leading portion of second guide groove is a linear, the rear of second guide groove is L shaped, flexible of the next door of second guide groove, there is dual-mouth extension spring guide rail rear end, and fixture block and locating pin are arranged at extension spring guide rail bottom; Contiguous block has cylindricality joint, dual-mouth and boss; Guiding piece has first projection, second projection, C v notch v and traction breach; Extension spring has two, and they are connected with the dual-mouth of extension spring guide rail and the dual-mouth of contiguous block respectively; The boss of contiguous block embeds in first guide groove of extension spring guide rail, and the cylindricality joint of contiguous block embeds in the C v notch v of guiding piece; First projection of guiding piece embeds first guide groove of extension spring guide rail, and second projection of guiding piece embeds second guide groove of extension spring guide rail; Shift fork has two pins, and two pins insert in the traction breach of guiding piece.
As a further improvement on the present invention, in the C v notch v of guiding piece limited block is arranged, the cylindricality joint of contiguous block has arc notch.
Improve as of the present invention another, the boss of contiguous block is a strip.
When drawer was hauled out outward, the shift fork drive guiding piece that is fixed on the movable rail moved outward, and guiding piece makes their increase elastic potential energy by two extension springs of contiguous block stretching; When guiding piece arrived first guide groove and second guide groove terminal, guiding piece was by first guide groove and common deflection of second guide groove and locking; After the guiding piece deflection, shift fork separates with guiding piece, and movable rail followed by shift fork and drawer continues outer moving; When drawer pushed back inward, shift fork touches guiding piece made guiding piece withdraw from deflection state, and movable rail is return under the pulling force effect of extension spring, and drawer is closed automatically; When shift fork triggers guiding piece, also begin action with another damping unit of cooperating of the present invention, drawer is slowly closed reposefully.
The present invention can make guide rail product compact more, and function is more reliable.Suitable being installed on all three joint drawer guideways of the present invention used.
Description of drawings
Fig. 1 is the outside drawing of the embodiment of the invention; Fig. 2 is the external view after embodiment upwards moves apart shift fork;
Fig. 3 is the front view of embodiment extension spring guide rail; Fig. 4 is the upward view of extension spring guide rail;
Fig. 5 is the vertical view of extension spring guide rail; Fig. 6 is the outside drawing of embodiment guiding piece;
Fig. 7 is the vertical view of guiding piece; Fig. 8 is the front view of guiding piece;
Fig. 9 is the upward view of guiding piece; Figure 10 is the outside drawing of embodiment contiguous block;
Figure 11 is the vertical view of contiguous block; Figure 12 is the front view of contiguous block;
Figure 13 is the upward view of contiguous block; Figure 14 is the outside drawing of embodiment shift fork;
Figure 15 is the schematic diagram that the cylindricality joint of contiguous block embeds the C v notch v of guiding piece from the bottom up;
Figure 16 is a contiguous block and schematic diagram after guiding piece is connected;
Figure 17 is the outside drawing of extension spring;
Figure 18 is two extension springs and outside drawing after contiguous block is connected;
Figure 19 to Figure 22 is guiding piece and the contiguous block movement decomposition figure when shifting out on the extension spring guide rail;
Figure 23 is the schematic diagram that shift fork connects with guiding piece again;
Figure 24 to Figure 25 is that embodiment is installed in the schematic diagram on the three joint guide rails.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, present embodiment has parts such as extension spring guide rail 1, contiguous block 2, guiding piece 3, extension spring 4 and shift fork 5, and wherein contiguous block 2 is blocked invisible in the drawings by extension spring guide rail 1.
Referring to Fig. 3 to Fig. 5, extension spring guide rail 1 is made of plastic.The front end of extension spring guide rail 1 has first guide groove 6 and second guide groove 7; First guide groove 6 is a linear, and the leading portion of second guide groove 7 is a linear, and the rear of second guide groove 7 is L shaped, leading portion and rear rounding off; Flexible 8 on the next door of second guide groove 7, the rear end of extension spring guide rail 1 are the extension spring storehouses, have dual-mouth 9 to be used to install extension spring thereafter, and extension spring guide rail 1 bottom has three fixture blocks 10 and a locating pin 11 to be used for extension spring guide rail 1 is installed in retaining rail.
Referring to Fig. 6 to Fig. 9, guiding piece 3 is made of plastic, and first projection 14 and second projection 15 are arranged above the guiding piece 3, and wherein first projection 14 is cylindrical, below guiding piece 3 rear portions C v notch v 16 is arranged, the inner chamber of C v notch v 16 is cylindrical and limited block 18 arranged within it; There is traction breach 17 side of guiding piece 3, and traction breach 17 roughly is n shape, and traction breach 17 left side protuberances are shaped on an inclined-plane 20.
Referring to Figure 10 to Figure 13, contiguous block 2 also is made of plastic, and contiguous block 2 front ends have cylindricality joint 12, and the internal diameter of the C v notch v 16 on the diameter of cylindricality joint and the guiding piece 3 matches, and an arc notch 19 is arranged on cylindricality joint 12; There is dual-mouth 9 contiguous block 2 rear ends, and boss 13 is arranged above the contiguous block 2, and boss 13 is strip.
Referring to Figure 15 and Figure 16, the cylindricality joint 12 of contiguous block 2 is embedded from the bottom up in the C v notch v 16 of guiding piece 3, make the limited block of C v notch v 16 inner chambers be positioned at arc notch on the cylindricality joint 12, thereby contiguous block 2 and guiding piece 3 are hinged together, and both can relatively rotate within the specific limits.
Referring to Figure 14, the bending of shift fork 5 usefulness steel plates forms, and two pins are straight down arranged, and two pins can just insert in the traction breach of guiding piece.
Referring to Figure 17, extension spring 4 usefulness steel wire coilings form, and the neck that diameter shrinks is made at its two.
Referring to Figure 18, contiguous block 2 and guiding piece 3 are hinged, and the right-hand member of two extension springs 4 snaps in the dual-mouth 9 of contiguous block 2.
Referring to Figure 19, first projection 14 of guiding piece 3 embeds first guide groove 6 of extension spring guide rail 1, and second projection 15 of guiding piece 3 embeds second guide groove 7 of extension spring guide rail 1, and guiding piece 3 moves or deflection under the common guiding of first guide groove 6 and second guide groove 7; The boss 13 of contiguous block 2 embeds first guide groove 6 of extension spring guide rail 1, because boss 13 is strip, so contiguous block 2 can only move along first guide groove, 6 straight lines.Article two, two of extension spring 4 fastens the dual-mouth of contiguous block 2 and the dual-mouth 9 of extension spring guide rail 1 afterbody respectively, makes contiguous block 2 and guiding piece 3 always try hard to be moved to the left.Two pins of shift fork 5 insert in the traction breach 17 of guiding piece 3.The mutual alignment of each part of present embodiment when Figure 19 illustrates drawer and is in the contract fully position.
Referring to Figure 20, shift fork 5 drives contiguous block 2 and guiding piece 3 and moves right along the straightway of first guide groove 6 and second guide groove 7 when moving right with the movable rail of drawer.Second projection 15 of guiding piece 3 moves to the terminal point of the straightway of second guide groove 7.(, in Figure 22, having removed two extension springs) at Figure 20 for ease of observing
Referring to Figure 21, shift fork 5 continues to drive contiguous blocks 2 and guiding piece 3 moves right along first guide groove 6 and second guide groove 7, and along with second projection 15 of guiding piece 3 enters L shaped section of second guide groove 7, guiding piece 3 is that oscillation center is done clockwise deflection with the C v notch v.
Referring to Figure 22, shift fork 5 continues to drive contiguous block 2 and guiding piece 3 moves right along first guide groove 6 and second guide groove 7, second projection 15 of guiding piece 3 enters the rotating part of the L shaped rear of second guide groove 7, and guiding piece 3 is that oscillation center is done counterclockwise deflection and is locked in this position with the C v notch v; After guiding piece 3 deflections, shift fork 5 no longer is pulled piece 3 constraints, and shift fork 5 continues to move to right with drawer and movable rail.Present embodiment guides guiding piece 3 to carry out deflection with first guide groove 6 and 7 two guide grooves of second guide groove jointly, and the slide block that has solved the draw-gear of prior art leads and deflection by a guide groove on the support, occurs the shortcoming that deflection state is difficult for locking easily.
When drawer outside in pushes, the change in location of each part is opposite with above-mentioned process, shift fork 5 touches guiding piece 3 earlier makes guiding piece 3 withdraw from deflection state, shift fork 5 couples together with guiding piece 3 again, movable rail return under the pulling force effect of extension spring 4, guiding piece 3 drags drawer by shift fork 5 and closes automatically.
Referring to Figure 23, under the situation of chance, guiding piece 3 may spin off under deflection state, guiding piece 3 and contiguous block 2 are moved to the high order end of first guide groove 6 and second guide groove 7 by two extension springs 4 thereupon, if this moment, shift fork 5 was turned left from the right side near guiding piece 3, shift fork 5 at first touches the inclined-plane 20 in the traction breach outside of guiding piece 3, and then compressing guiding piece 3 counterclockwise deflections, the flexure strip 8 that lean against guiding piece 3 this moment also is extruded bending, enter the traction breach 17 of guiding piece 3 when shift fork 5 after, flexure strip 8 makes guiding piece 3 get back to original position and sets up with shift fork 5 again and be connected.
Referring to Figure 24, drawer guideway comprises retaining rail 21, middle rail 22 and movable rail 23, and extension spring guide rail 1 is installed on the retaining rail 21, shift fork 5 be welded on movable rail 23 stage casings below; Extension spring guide rail 1 constitutes guide rail return traction device of the present invention together with the contiguous block that is contained in extension spring guide rail 1 the inside, guiding piece, extension spring and shift fork 5.Damping unit also is installed on drawer guideway, damping unit comprises damping tube fixed mount 24, damping tube 25, damper pulling block, damper slide block, damper slide block guide rail 26 and drag hook 27, damping tube fixed mount 24 and damping tube 25 are installed in movable rail 23 front ends below, drag hook 27 is welded on the stage casing of retaining rail 21, and drag hook 27 is connected with the damper slide block.The state of each guide rail is the position of corresponding drawer when closing fully among the figure.
Referring to Figure 25, along with drawer is hauled out outward, the extension spring energy storage that is stretched, shift fork 5 separates with guiding piece; Simultaneously, after the piston that the damping tube is 25 li was extracted out by drag hook 27, the damper slide block broke away from drag hook 27.
Guide rail return traction device and damping unit are worked in coordination and finished the drawer closing motion: guide rail return traction device provides tractive force, and damping unit provides buffering.
Claims (3)
1. guide rail return traction device, it comprises extension spring guide rail (1), contiguous block (2), guiding piece (3), extension spring (4) and shift fork (5), extension spring guide rail (1) and shift fork (5) are installed in respectively on the retaining rail and movable rail of drawer guideway; It is characterized in that: described extension spring guide rail (1) front end has first guide groove (6) and second guide groove (7), first guide groove (6) is a linear, the leading portion of second guide groove (7) is a linear, the rear of second guide groove (7) is L shaped, flexible of the next door of second guide groove (7) (8), there is dual-mouth (9) extension spring guide rail (1) rear end, and fixture block (10) and locating pin (11) are arranged at extension spring guide rail (1) bottom; Described contiguous block (2) has cylindricality joint (12), dual-mouth (9) and boss (13); Described guiding piece (3) has first projection (14), second projection (15), C v notch v (16) and traction breach (17); Described extension spring (4) has two, and they are connected with the dual-mouth (9) of extension spring guide rail (1) and the dual-mouth (9) of contiguous block (2) respectively; The boss (13) of contiguous block (2) embeds in first guide groove (6) of extension spring guide rail (1), and the cylindricality joint (12) of contiguous block (2) embeds in the C v notch v (16) of guiding piece (3); First projection (14) of guiding piece (3) embeds first guide groove (6) of extension spring guide rail (1), and second projection (15) of guiding piece (3) embeds second guide groove (7) of extension spring guide rail (1); Described shift fork (5) has two pins, and two pins insert in the traction breach (17) of guiding piece (3).
2. guide rail return traction device according to claim 1 is characterized in that: in the C v notch v (16) of described guiding piece (3) limited block (18) is arranged, the cylindricality joint (12) of described contiguous block (2) has arc notch (19).
3. guide rail return traction device according to claim 1 is characterized in that: the boss (13) of described contiguous block (2) is a strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101984182A CN101669730B (en) | 2008-09-08 | 2008-09-08 | Guide rail return traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101984182A CN101669730B (en) | 2008-09-08 | 2008-09-08 | Guide rail return traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101669730A true CN101669730A (en) | 2010-03-17 |
| CN101669730B CN101669730B (en) | 2011-06-15 |
Family
ID=42017304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101984182A Expired - Fee Related CN101669730B (en) | 2008-09-08 | 2008-09-08 | Guide rail return traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101669730B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342673A (en) * | 2010-08-03 | 2012-02-08 | 李绍汉 | Drawer guide rail buffering and returning device |
| CN102462221A (en) * | 2010-11-17 | 2012-05-23 | 北京世博金属制品有限公司 | Self-closing system for drawer runners |
| CN102475456A (en) * | 2010-11-30 | 2012-05-30 | 北京世博金属制品有限公司 | Silent transmission device of drawer self closing system |
| CN104433361A (en) * | 2014-12-31 | 2015-03-25 | 无锡海达尔精密滑轨有限公司 | Drawer sliding rail device capable of automatically returning in buffering mode |
| CN104799592A (en) * | 2015-02-17 | 2015-07-29 | 无锡海达尔精密滑轨有限公司 | Automatic recovery device of sliding rail |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2484831Y (en) * | 2001-05-28 | 2002-04-10 | 李绍汉 | Guide rail with elastic repositioner |
| CN2634925Y (en) * | 2003-06-12 | 2004-08-25 | 川湖工厂股份有限公司 | Sliding rail automatic pull back homing device |
| DE202006014007U1 (en) * | 2006-09-08 | 2006-11-09 | Wu, Tsung-Che, Lunbei | Drawer rail system comprises inner and outer rail and clip which fits into apertures in inner rail and holds mounting for slide which moves along guide, mounting being swiveled down by spring when drawer is pushed in to avoid damage |
| CN200966466Y (en) * | 2006-09-20 | 2007-10-31 | 刘弟秋 | Automatic returning device of slide way |
| CN201282849Y (en) * | 2008-09-08 | 2009-08-05 | 李绍汉 | Guiding rail return towing mechanism |
-
2008
- 2008-09-08 CN CN2008101984182A patent/CN101669730B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342673A (en) * | 2010-08-03 | 2012-02-08 | 李绍汉 | Drawer guide rail buffering and returning device |
| CN102462221A (en) * | 2010-11-17 | 2012-05-23 | 北京世博金属制品有限公司 | Self-closing system for drawer runners |
| CN102475456A (en) * | 2010-11-30 | 2012-05-30 | 北京世博金属制品有限公司 | Silent transmission device of drawer self closing system |
| CN104433361A (en) * | 2014-12-31 | 2015-03-25 | 无锡海达尔精密滑轨有限公司 | Drawer sliding rail device capable of automatically returning in buffering mode |
| CN104799592A (en) * | 2015-02-17 | 2015-07-29 | 无锡海达尔精密滑轨有限公司 | Automatic recovery device of sliding rail |
| CN104799592B (en) * | 2015-02-17 | 2017-07-11 | 无锡海达尔精密滑轨股份有限公司 | The automatic recycling device of slide rail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101669730B (en) | 2011-06-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20110908 |