CN101849746B - Drawer sliding rail - Google Patents
Drawer sliding rail Download PDFInfo
- Publication number
- CN101849746B CN101849746B CN 200910038391 CN200910038391A CN101849746B CN 101849746 B CN101849746 B CN 101849746B CN 200910038391 CN200910038391 CN 200910038391 CN 200910038391 A CN200910038391 A CN 200910038391A CN 101849746 B CN101849746 B CN 101849746B
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- China
- Prior art keywords
- rail
- drawer
- rail cover
- plate
- transverse slat
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Abstract
The invention discloses a drawer sliding rail for mounting a drawer in a drawer cabinet and supporting the drawer, comprising a fixed rail fixed on the drawer cabinet, a movable rail fixed on the drawer and a middle rail arranged between the movable rail and the fixed rail. The middle rail comprises two transverse plates and an incline plate connecting the two transverse plates, and the middle rail has a Z-shaped cross section; and the movable rail and the fixed rail are both provided with rail sleeves capable of sleeving the transverse plates in a sliding mode. The incline plate obliquely divides the area between the two rail sleeves into two effective using spaces with triangular or trapezoid cross section, thus larger expanding device can be installed, and the incline plate can be heightened without influencing the stability, and larger functional expanding space can be provided. Two incline plates with opposite incline direction at the middle rails of both sides of the drawer forms a triangle mechanical structure having the best stability with the drawer, and a transverse supporting force is further provided, such that the drawer is very stable and shakes a little in the drawing process, and the noise is efficiently reduced.
Description
Technical field
The present invention relates to a kind of drawer, relate in particular to a kind of drawer sliding rail that is installed on drawer in the drawer cupboard and supports drawer.
Background technology
At present, drawer sliding rail commonly used has double track, three rails.The double track drawer sliding rail comprises the rail groove that is fixed in cabinet and the rail core that is installed on drawer, and the structure of this slide rail can not be pulled out drawer fully, picks and places the article inconvenience; Three commonly used rail slide rails comprise the orbit determination of being fixed in cabinet and are installed on the moving rail of drawer, are arranged at the middle rail between orbit determination and moving rail, and also claim the rail core, in this, cross section of rail is Contraband shape or I-shaped, and Contraband shape is namely partly I-shaped.The middle rail of Contraband tee section stressed is arranged in the center of rail and a gripper shoe side relatively, therefore long-term stressed under easily distortion, thereby poor stability, noise are large.The support effects of the middle rail of I-shaped cross-section is more effective than Contraband shape, but there is no lateral support power, easily rocks drawer push-and-pull process drawer is unstable, produces larger noise and affects result of use and life of product.The middle rail of I-shaped cross-section therefrom is divided into two halves with the clearance spaces of centre, is unfavorable for the utilization in space, and these spaces will be subject to the restriction of insufficient space for functions such as the remote control of expanding slide rail, automatic retracteds.The height that strengthens middle connecting plate in order to increase the space is also inadvisable, because it is poorer to strengthen the supporting stability of its height aft ramp, rocks more severe.
Summary of the invention
Not enough for prior art, the technical problem to be solved in the present invention be to provide a kind of compact conformation, push-and-pull process steadily and rock little, effectively reduce noise, the drawer sliding rail of more extending spaces effectively is provided.
In order to overcome the prior art deficiency, the technical solution used in the present invention is: a kind of drawer sliding rail, comprise the orbit determination, the moving rail that is fixed in drawer that are fixed in the drawer cabinet, be arranged at the middle rail between described moving rail and described orbit determination, described middle rail comprises the transverse slat of two and the hang plate that connects two described transverse slats, forms Z-shaped cross section; Described moving rail and described orbit determination all have the rail cover that is sheathed on slidably described transverse slat; Described rail cover comprises rail cover substrate, is connected and overlaps along this rail respectively the first rail cover side plate and the second rail cover side plate of substrate the same side extension with one side of this rail cover substrate; Rail cover substrate and transverse slat be arranged in parallel, are provided with the first rolling member between rail cover substrate and transverse slat; Described the first rail cover side plate is provided with the rail cover cross break plate parallel with rail cover substrate with the relative side of rail cover substrate, is provided with the second rolling member between this rail cover cross break plate and described transverse slat; Described the second rail cover side plate is provided with rail cover bias plate with the relative side of rail cover substrate, is provided with the 3rd rolling member between this rail cover bias plate and described hang plate.
As the improvement of such scheme, described the first rolling member is roller, and described the second rolling member is roller, and described the 3rd rolling member is ball.
As the improvement of such scheme, the position that described hang plate arranges described ball has the curved bend pars convoluta.
As the improvement of such scheme, the side that described rail cover bias plate is relative with the second rail cover side plate is provided with bias plate afterbody.
As the improvement of such scheme, described hang plate and transverse slat junction have the folding part.
As the improvement of such scheme, the angle of described hang plate and transverse slat is between 60 ° and 80 °.
As the improvement of such scheme, be provided with extension spring between described moving rail and described orbit determination.
As the improvement of such scheme, be provided with damping between described moving rail and described orbit determination.
The invention has the beneficial effects as follows: the middle rail of described slide rail comprises two transverse slats and the hang plate that is connected described transverse slat, make described middle rail form Z-section, hang plate is divided into the zone line between two rail covers effective usage space of two triangles or trapezoid cross section obliquely, thereby more large-scale expanding unit can be installed, therefore and this hang plate can increase and stability is unaffected, and more Function Extension space can be provided.
Described hang plate not only provides the supporting force of vertical direction, but also horizontal support force is provided, and the hang plate of the middle rail of drawer both sides to be symmetrical arranged be that incline direction is opposite, so cross-brace power is cancelled out each other.Two hang plates and drawer-like triangularity mechanical structure, thus obtain the best structure of structural stability, make drawer the push-and-pull process very steadily, rock littlely, and effectively reduced noise.
Description of drawings
Fig. 1 is the cross-sectional view of drawer sliding rail of the present invention.
Fig. 2 is the mounting structure schematic diagram of middle rail in the present invention and rail cover.
Fig. 3 is the perspective view of drawer sliding rail shown in Figure 1.
Fig. 4 is the perspective view of the deployed condition of drawer sliding rail shown in Figure 3.
Fig. 5 is the perspective view of damping of the present invention.
Fig. 6 is the combining structure schematic diagram that spring of the present invention is in extended state.
Fig. 7 is the perspective view of roller of the present invention, ball and support thereof.
Fig. 8 is the end face side schematic view of roller, ball and support thereof shown in Figure 7.
Fig. 9 is the generalized section of the roller position of roller, ball and support thereof shown in Figure 7.
Figure 10 is the decomposing state perspective view of roller, ball and support thereof shown in Figure 7.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are specifically described.
With reference to figure 1, Fig. 2, Fig. 3, a kind of drawer sliding rail for drawer being installed in the drawer cabinet of the present invention, it comprises the orbit determination 10, the moving rail 20 that is fixed in drawer that are fixed in the drawer cabinet, is arranged at the middle rail 30 between described moving rail 10 and described orbit determination 20.
Wherein above-mentioned middle rail 30 comprises the transverse slat 32 of two and the hang plate 33 that connects two described transverse slats, forms Z-shaped cross section.Described moving rail 20 all has with described orbit determination 10 the rail cover 22 that is sheathed on slidably described transverse slat 32.Wherein two transverse slats 32 can be to be parallel to each other, and are more preferably that transverse slat is horizontally disposed with, like this slide rail install more simple and convenient, and horizontally disposed transverse slat stress equalization everywhere.Rail cover 22 is designed to top hat section, be placed in the periphery of transverse slat 32, support by roller, ball and holder device thereof between moving rail 20 or orbit determination 10 and middle rail 30 again, make that move between rail 20 and middle rail 30, middle rail 30 and orbit determination 10 can relative sliding, thereby realize the push-and-pull of drawer.
The middle rail 30 of described slide rail comprises two transverse slats 32 and the hang plate 33 that is connected described transverse slat, make described middle rail 30 form Z-section, hang plate 33 is divided into zone line effective usage space of triangle or trapezoid cross section obliquely, and this hang plate can increase and stability unaffected, therefore more Function Extension space can be provided, the function expanding devices such as back-moving spring, buffer such as damping, remote control, electric control gear can be set in this space.The cross section of above-mentioned middle rail 30 can be similar Z-shaped folding tee section.
Drawer sliding rail is all the paired drawer both sides of being installed on, the middle rail 33 of drawer both sides that is installed on of the present invention is for being symmetrical arranged, namely the middle rail of one of them drawer sliding rail is Z-shaped on the same direction of same cross section, and the middle rail of another drawer sliding rail is anti-Z-shaped.The supporting force of vertical direction not only is provided due to hang plate 33, but also horizontal support force is provided, and the hang plate 33 of the middle rail 30 of drawer both sides to be symmetrical arranged be that incline direction is opposite, so cross-brace power is cancelled out each other.Two hang plates and drawer-like triangularity mechanical structure, thus obtain the best structure of structural stability, make drawer the push-and-pull process very steadily, rock littlely, and effectively reduced noise.
More preferably, in detail with reference to figure 2 and Fig. 7, Fig. 8, Fig. 9, Figure 10, one side described rail cover 22 comprises rail cover substrate 24, overlaps side plate 26 with the first rail cover side plate 25 and second rail that being connected and extending along the same side of rail cover substrate 24 of rail cover substrate 24 respectively; Rail cover substrate 24 be arranged in parallel with transverse slat 32, is provided with the first rolling member 52 between rail cover substrate 24 and transverse slat 32; The first rail cover side plate 25 is provided with the rail cover cross break plate 27 parallel with rail cover substrate 24 with the relative side of rail cover substrate 24, is provided with the second rolling member 55 between rail cover cross break plate 27 and transverse slat 32; The second rail cover side plate 26 is provided with rail cover bias plate 28 with the relative side of rail cover substrate 24, is provided with the 3rd rolling member 56 between this rail cover bias plate 28 and hang plate 33.Between moving rail 20 or orbit determination 10 and middle rail 30, the sliding bearing assembly is set, this assembly comprises the first rolling member 52, the second rolling member 55, the 3rd rolling member 56 and limiting bracket 58, this bearing assembly makes between moving rail 20 or orbit determination 10 and middle rail 30 slip more smooth and easy, has reduced the friction between each rail.Thereby formed the square shape cross section with opening of rail cover.Wherein, the first rolling member is roller, and the second rolling member is roller, and the 3rd rolling member is ball.
More preferably, with reference to figure 1, Fig. 2, the position that hang plate 33 arranges ball has curved bend pars convoluta 35, and the radian of this bend 35 and the radian of ball approach, the radius of curvature of bend can be slightly larger than the radius of curvature of ball, thereby has formed the chute that suitable ball rolls therein.Therefore make product in conjunction with compacter, the cooperation of part is tightr, makes its support effects better, is conducive to extend the life-span of slide rail, the noise that produces when reducing push-and-pull.
More preferably, the side that described rail cover bias plate 28 is relative with the second rail cover side plate 26 is provided with bias plate afterbody 29, and this afterbody carries out spacing to ball, prevent that ball from dropping out.Preferably the connecting portion between rail cover bias plate 28 and bias plate afterbody 29 forms the second bend, clamps ball with curved bend pars convoluta 35 from the both sides of ball, reaches better assembling effect.
More preferably, described hang plate 33 has folding part 36 with transverse slat 32 junctions, forms the support that supports the 3rd rolling member 56.Conversely, the 3rd rolling member is that ball is also supporting folding part 36, after installing, one of them folding part is positioned at the top of ball, the another one folding part is positioned at the below of ball, ball and the first rolling member 52 are clamped folding part 36, form compact assembly structure, make this sliding support structure more firm, compact, thereby increase the service life, reduce noise.
More preferably, hang plate 33 is 72 ° with the angle of transverse slat 32.Under this angle, most of active force of hang plate 33 is created in vertical direction, thereby more vertically supporting force can be provided, and obtains better support effects.When not being horizontally disposed, hang plate 33 should be set to become with horizontal plane the angle of 72 ° when transverse slat 32.Natch, because hang plate 33 can change height as required, therefore above-mentioned angle is got 60 ° to the 80 ° values in scope reasonable support effects.
More preferably, with reference to figure 4, Fig. 5, Fig. 6, be provided with extension spring 66 between moving rail 20 and orbit determination 10, then in the railroad setting button (not shown) of beating, this is beated and links an end that connects extension spring, the other end of extension spring 66 is connected in orbit determination 10.When drawer was in closed condition, beating was clamped into moving rail 20; And orbit determination is provided with corresponding draw-in groove 68, and after drawer was pulled out certain distance, the driven rail of button of beating jumped to the draw-in groove place of orbit determination, and this rear spring is not to producing the power of tractive between moving rail and orbit determination; When drawer pushes back when being reset to the draw-in groove position, the button of beating is transferred on moving rail, produces the power of tractive between moving rail and orbit determination, makes drawer automatically return to closed condition, and this traction force long-term existence, makes drawer be in closed condition.
More preferably, be provided with damping 62 between moving rail 20 and orbit determination 10, prevent from making drawer close the too fast noise that produces due to the tractive of spring 66.This damping 62 is spring 66 produces the power of tractive between moving rail and orbit determination after, and produces drag effect before drawer is closed fully.The resistance of this damping 62 should be less than the restoring force of spring 66.
Above disclosed is only the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims still belongs to the scope that the present invention is contained.
Claims (8)
1. drawer sliding rail, comprise the orbit determination, the moving rail that is fixed in drawer that are fixed in the drawer cabinet, be arranged at the middle rail between described moving rail and described orbit determination, it is characterized in that: described middle rail comprises the transverse slat of two and the hang plate that connects two described transverse slats, and described middle rail has Z-shaped cross section; Described moving rail and described orbit determination all have the rail cover that is sheathed on slidably described transverse slat; Described rail cover comprises rail cover substrate, is connected and overlaps along this rail respectively the first rail cover side plate and the second rail cover side plate of substrate the same side extension with one side of this rail cover substrate; Rail cover substrate and transverse slat be arranged in parallel, are provided with the first rolling member between rail cover substrate and transverse slat; Described the first rail cover side plate is provided with the rail cover cross break plate parallel with rail cover substrate with the relative side of rail cover substrate, is provided with the second rolling member between this rail cover cross break plate and described transverse slat; Described the second rail cover side plate is provided with rail cover bias plate with the relative side of rail cover substrate, is provided with the 3rd rolling member between this rail cover bias plate and described hang plate.
2. drawer sliding rail according to claim 1, it is characterized in that: described the first rolling member is roller, and described the second rolling member is roller, and described the 3rd rolling member is ball.
3. drawer sliding rail according to claim 1, it is characterized in that: the position that described hang plate arranges described the 3rd rolling member has the curved bend pars convoluta.
4. drawer sliding rail according to claim 1 is characterized in that: described rail cover bias plate overlaps the relative side of side plate with the second rail and is provided with bias plate afterbody.
5. drawer sliding rail according to claim 1 is characterized in that: described hang plate and transverse slat junction have the folding part.
6. drawer sliding rail according to claim 1, it is characterized in that: the angle of described hang plate and transverse slat is between 60 ° and 80 °.
7. drawer sliding rail according to claim 1, is characterized in that: be provided with extension spring between described moving rail and described orbit determination.
8. drawer sliding rail according to claim 7, is characterized in that: be provided with damping between described moving rail and described orbit determination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910038391 CN101849746B (en) | 2009-04-03 | 2009-04-03 | Drawer sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910038391 CN101849746B (en) | 2009-04-03 | 2009-04-03 | Drawer sliding rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101849746A CN101849746A (en) | 2010-10-06 |
| CN101849746B true CN101849746B (en) | 2013-05-08 |
Family
ID=42801586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910038391 Expired - Fee Related CN101849746B (en) | 2009-04-03 | 2009-04-03 | Drawer sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101849746B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104757796B (en) * | 2015-03-18 | 2017-07-25 | 董旭晖 | A kind of adaptive connection slide rail |
| CN108433405A (en) * | 2017-02-16 | 2018-08-24 | 苏树鹏 | Down-mounting type slide rail group |
| CN110074571B (en) * | 2019-04-30 | 2022-02-11 | 无锡小天鹅电器有限公司 | Drawer assembly, household appliance and base thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0741984A3 (en) * | 1995-05-12 | 2000-12-20 | Paul Hettich Gmbh & Co. | Ball and/or roller drawer slide for furniture drawer element |
| CN2770473Y (en) * | 2005-03-22 | 2006-04-12 | 卢祥华 | Drawer slide rail device |
| CN200998043Y (en) * | 2007-01-17 | 2008-01-02 | 李绍汉 | Self-adapting type drawer guide regulating device |
| CN201414582Y (en) * | 2009-04-03 | 2010-03-03 | 董旭晖 | Drawer sliding rail |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4154202B2 (en) * | 2002-09-26 | 2008-09-24 | 日本スライド工業株式会社 | Slide rail locking mechanism |
| TWM295704U (en) * | 2006-01-06 | 2006-08-11 | Jarllytec Co Ltd | Alignment mechanism for sliding track |
-
2009
- 2009-04-03 CN CN 200910038391 patent/CN101849746B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0741984A3 (en) * | 1995-05-12 | 2000-12-20 | Paul Hettich Gmbh & Co. | Ball and/or roller drawer slide for furniture drawer element |
| CN2770473Y (en) * | 2005-03-22 | 2006-04-12 | 卢祥华 | Drawer slide rail device |
| CN200998043Y (en) * | 2007-01-17 | 2008-01-02 | 李绍汉 | Self-adapting type drawer guide regulating device |
| CN201414582Y (en) * | 2009-04-03 | 2010-03-03 | 董旭晖 | Drawer sliding rail |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-113512A 2004.04.15 |
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| Publication number | Publication date |
|---|---|
| CN101849746A (en) | 2010-10-06 |
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| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20160403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |