CN2655736Y - Multistep stretching slide device - Google Patents
Multistep stretching slide device Download PDFInfo
- Publication number
- CN2655736Y CN2655736Y CNU2003201179088U CN200320117908U CN2655736Y CN 2655736 Y CN2655736 Y CN 2655736Y CN U2003201179088 U CNU2003201179088 U CN U2003201179088U CN 200320117908 U CN200320117908 U CN 200320117908U CN 2655736 Y CN2655736 Y CN 2655736Y
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- rail
- interior
- middle rail
- outer rail
- interior rail
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Abstract
The utility model relates to the technical field of a slide rail device, particularly a multistage stretching slide rail device which has multistage extension. The utility model has the technical proposal that the utility model comprises an outer rail, a middle rail and an inner rail which are mutually overlapped and nested together, slide strips which are provided with rolling beads and are respectively arranged between the outer rail and the middle rail and between the middle rail and the inner rail, and spacing structures which are respectively arranged on the outer rail, the middle rail and the inner rail to prevent the outer rail, the middle rail and the inner rail from mutually shedding. A hanging hook which can be used for hanging objects is arranged outside the outer rail, a bracket which can fix the inner rail on other facilities is arranged at one side of the inner rail, and the side of the inner rail is opposite to the middle rail. After adopting the structure, the utility model has the advantages of firm structure and stable running, and can bear large load by the way that the slide strips with the rolling beads are used as movable devices among the outer rail, the middle rail and the inner rail and have the function of connecting three rails together.
Description
Technical field:
The utility model relates to the railroad technical field, refers in particular to a kind of multistage stretching railroad with multistage extension.
Background technology:
Open or close certain object for the ease of people, people design railroad, can realize relatively moving of two adjacent articles by this railroad.In for example on the employed desk of people, mostly the folding of drawer is to realize by this railroad.Early stage railroad mainly comprises two draw runners that are separately positioned on desk and the drawer, the draw runner that wherein is arranged on the drawer will be along the draw runner slippage that is fixed on the desk, this railroad is owing to the force of sliding friction that must overcome when working between the draw runner, so there is following shortcoming in it, if the faying face at first between the draw runner is smooth inadequately, then coefficient of friction is bigger, thereby frictional force is bigger, causes the object folding to have some setbacks.And because the coefficient of friction of sliding friction is bigger, can cause the draw runner wearing and tearing very fast, cause product to shorten service life.Secondly, when the weight of drawer carrying was big, the frictional force between the draw runner also can increase, and has also increased the difficulty of drawer folding simultaneously.At above-mentioned situation, people have carried out improving design to it, for example are provided with roller devices between draw runner, and this mode by rolling friction replacement sliding friction makes the drawer folding convenient and smooth and easy many really, but its stability of structure still is not fine, and installs loaded down with trivial details.And when people's usefulness is drawn drawer energetically, be easy to drawer is gone out from slide rail, drawer is dropped, very bother, also there is above-mentioned situation as for the application of railroad on other Related products more, here do not give unnecessary details one by one, this shows, present railroad can't satisfy people's demand.
Summary of the invention:
That the purpose of this utility model is to provide is one promptly stable, can bear than heavy load, and the firm multistage stretching railroad of structure.
The utility model is achieved by the following technical solution: it comprises outer rail, middle rail and interior rail that mutual superposition nests together, wherein between outer rail and middle rail, and the draw runner that ball is installed is set respectively between middle rail and the interior rail, and on outer rail, middle rail and interior rail, be respectively arranged with and prevent the position limiting structure that comes off mutually, but the arranged outside of outer rail has the hook of hanging object, and a side setting of rail can be fixed in the support on other facilities during interior rail was opposing.
Above-mentioned hook and outer rail are solidified as a whole; In support is fixed on by screw on the rail, and convex with locating convex block on the end face of support and the applying of interior rail, this locating convex block falls in the through hole on the interior rail corresponding with it.
The draw runner concrete structure that is provided with between described outer rail and the middle rail is: it is a pearl bar, and this pearl bar is provided with a plurality of balls, and the side of outer rail that contacts with ball and middle rail forms the guide groove of inner concavity respectively; The draw runner concrete structure that is provided with between rail and the interior rail in described is: it is a slide plate, the two ends of this slide plate vertically are extended with lateral plate respectively, lateral plate is provided with a plurality of balls, this slide plate is between middle rail and interior rail, and the side of middle rail that contacts with ball and interior rail is formed with the guide groove of inner concavity respectively.
The one side relative with middle rail at interior rail is hinged with a fastener, and this fastener is provided with two elastic strips, and forms a protuberance on an elastic strip therein; To should being fixed with a jacking block by fastener, and form a projection corresponding with above-mentioned protuberance on the jacking block on middle rail, promptly projection is arranged on the sliding trajectory of rail of protuberance edge.
After adopting this structure, at first the draw runner of the utility model by ball is installed is as the instrument that moves between outer rail, middle rail and the interior rail, and this draw runner that ball is installed has the effect that outer rail, middle rail and interior rail are connected simultaneously, so that the structure of product not only firm, and more stable when operation, and can carry bigger load.In addition, but the arranged outside of outer rail has the hook of hanging object, and the support that can be fixed on other facilities also is set on the interior rail, so not only increases the function of product, and can be with firm being fixed on other facilities of product by support.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is a stereogram of the present utility model;
Fig. 2 is a three-dimensional exploded view of the present utility model;
Fig. 3 is the utility model assembling process schematic diagram;
Fig. 4 is the stereogram of interior rail of the utility model and middle rail;
Fig. 5 is the structural representation of the utility model fastener and jacking block;
Fig. 6 is a cutaway view of the present utility model.
The specific embodiment:
The following stated only is a specific embodiment of the utility model, does not therefore limit protection domain of the present utility model.
See accompanying drawing 1,2,6, it comprises the utility model: outer rail 1, middle rail 2 and interior rail 3, and this three objects mutual superposition nests together a kind of stretchable railroad of formation.Wherein outer rail 1 is to be used for linking with other objects; In rail 2 as an extension in this railroad, and outer rail 1 and interior rail 2 are coupled together by middle rail 2; Interior rail 3 is used for this railroad is fixed on object.
Between outer rail 1 and middle rail 2, and be respectively arranged with the draw runner that ball is installed between middle rail 2 and the interior rail 3, this draw runner is in order to provide stable slip between outer rail 1 and middle rail 2 and middle rail 2 and the interior rail 3.Wherein the draw runner concrete structure that is provided with between outer rail 1 and the middle rail 2 is: it is a pearl bar 5, and this pearl bar 5 is provided with a plurality of balls 51, and the side of outer rail 1 that contacts with ball 51 and middle rail 2 forms the guide groove 12,21 of inner concavity respectively.The draw runner concrete structure that is provided with between rail 2 and the interior rail 3 in described is: it is a slide plate 6, the two ends of this slide plate 6 vertically are extended with lateral plate 61 respectively, lateral plate 61 is provided with a plurality of balls 62, this slide plate 6 is between middle rail 2 and interior rail 3, and the side of middle rail 2 that contacts with ball 62 and interior rail 3 is formed with the guide groove 22,32 of inner concavity respectively.Like this, middle rail 2 is nested in the outer rail 1 by pearl bar 5, and interior rail 3 is nested in the middle rail 2 by slide plate 6, and wherein, pearl bar 5 adopts plastic materials to make, and the assembling between middle rail 2 of the assembling between outer rail 1 and the middle rail 2 and the interior rail 3 is wanted closely, when internally rail 3 spurs outer rails 1 mutually, will at first pull out middle rail 2 by interior rail 3, and then outer rail 1 is pulled out by middle rail 2 like this, otherwise, also will fold successively when folding with said sequence.
But the arranged outside of outer rail 1 has the hook 11 of hanging object, and for example the utility model can be placed on the article basket on the hook 11.One side setting of interior rail 3 opposing middle rails 2 can be fixed in the support 4 on other facilities.Hook 11 is solidified as a whole with outer rail 1; In support 4 is fixed on by screw on the rail 3, and convex with locating convex block 41 on support 4 and interior rail 3 end face of fitting, this locating convex block 41 falls in the through hole 31 on the interior rail 3 corresponding with it.
See accompanying drawing 3,4,5, on outer rail 1, middle rail 2 and interior rail 3, be respectively arranged with and prevent the position limiting structure that comes off mutually.One end of outer rail 1 is fixed with one and has shockproof plastic cement groove envelope 13, the bottom surface of its other end be provided with two with pearl bar 5 corresponding projections 14, on middle rail 2 with two sides that groove the seals 13 adjacent ends projection 23 corresponding that stretch out with pearl bar 5.Like this, the pearl bar is being limited between projection 14 and the projection 23, and rail 2 is also limited by pearl bar 5 and groove envelope 13 in the while, prevents that itself and outer rail 1 from coming off.In addition, groove envelope 13 select for use plastic material can effectively alleviate in rail 2 or interior rail 3 to the collision of its generation, play good antihunt action.The other end at middle rail 2 relative projections 23 is fixed with a jacking block 8, is convexing with catch 24 near a section of projection 23, slide plate 6 slippage between jacking block 8 and catch 24, and in by jacking block 8 and catch 24 it being limited in the rail 2.Be hinged with a fastener 7 in interior rail 3 and middle rail 2 relative one sides, this fastener 7 is provided with two elastic strips 71,72, and forms a protuberance 711 on an elastic strip 71 therein; Form a projection 81 corresponding with above-mentioned protuberance 711 on jacking block 8 on the middle rail 2, promptly projection 81 is arranged on the protuberance 711 edge sliding trajectories of rail 2.Be provided with raised line 82 in the outer face of jacking block 8 in addition, end at interior rail is provided with a baffle plate 33, a port with cell body that interior rail 3 is formed seals it, this baffle plate 33 is internally rail 3 its qualification effects also, after moving to certain position, baffle plate 33 will produce collision with the raised line 82 of jacking block 8 on the middle rail 2, so just stop the continuation slippage of interior rail 3.During assembling, an end that rail 2 in the interior rail 3 unsealed ends edges is provided with jacking block 8 inserts, after entering a segment distance, after interior rail 3 slides onto the position of draw runner 6, will be by draw runner 6 interior rail 3 and middle rail 2 nested coupling together, after the fastener 7 on the interior rail 3 was crossed jacking block 8, interior rail 3 just was limited on the middle rail 2.Because, because the shape of fastener 7, when the projection 81 of jacking block 8 inclined-plane with elastic strip 71 bumps, it will produce pressure to elastic strip 71 makes it produce elastic deformation, thereby cross elastic strip 71, reverse when mobile when it, the pressure that projection 81 produces acts on the protuberance 711 on the elastic strip 7, this pressure can't make elastic strip produce deformation, thus in rail 3 just be limited on the rail 2, certain, if in dismounting, in the process of safeguarding, can elastic strip 71 be depressed by the mode of craft, make projection 81 be able to stagger with protuberance 711, so just can be with interior rail 3 by taking off on the middle rail 2.
After adopting this structure, at first the draw runner of the utility model by ball is installed is as the instrument that moves between outer rail 1, middle rail 2 and the interior rail 3, and this draw runner that ball is installed has the effect that outer rail 1, middle rail 2 and interior rail 3 are connected simultaneously, so that the structure of product not only firm, and more stable when operation, and can carry bigger load.In addition, but the arranged outside of outer rail 1 has the hook 11 of hanging object, and the support 4 that can be fixed on other facilities also is set on the interior rail 3, so not only increases the function of product, and can be with firm being fixed on other facilities of product by support 4.
Claims (4)
1, multistage stretching railroad, it comprises: the outer rail that mutual superposition nests together (1), middle rail (2) and interior rail (3), wherein between outer rail (1) and middle rail (2), and the draw runner that ball is installed is set respectively between middle rail (2) and the interior rail (3), and on outer rail (1), middle rail (2) and interior rail (3), be respectively arranged with and prevent the position limiting structure that comes off mutually, it is characterized in that: outer rail (1) but arranged outside the hook (11) of hanging object is arranged, a side setting of rail (2) can be fixed in the support (4) on other facilities during interior rail (3) was opposing.
2, multistage stretching railroad according to claim 1 is characterized in that: hook (11) is solidified as a whole with outer rail (1); Support (4) is fixed on the interior rail (3) by screw, and convexes with locating convex block (41) on support (4) and interior rail (3) end face of fitting, and this locating convex block (41) falls in the through hole (31) on the interior rail (3) corresponding with it.
3, multistage stretching railroad according to claim 1 and 2, it is characterized in that: the draw runner concrete structure that is provided with between described outer rail (1) and the middle rail (2) is: it is a pearl bar (5), this pearl bar (5) is provided with a plurality of balls (51), and the side of outer rail (1) that contacts with ball (51) and middle rail (2) forms guide groove (12), (21) of inner concavity respectively; The draw runner concrete structure that is provided with between rail (2) and the interior rail (3) in described is: it is a slide plate (6), the two ends of this slide plate (6) vertically are extended with lateral plate (61) respectively, lateral plate (61) is provided with a plurality of balls (62), this slide plate (6) is arranged between rail (2) and the rail (3), and the side of middle rail (2) that contacts with ball (62) and interior rail (3) is formed with guide groove (22), (32) of inner concavity respectively.
4, multistage stretching railroad according to claim 3, it is characterized in that: the one side relative with middle rail (2) at interior rail (3) is hinged with a fastener (7), this fastener (7) is provided with two elastic strips (71), (72), and an elastic strip (71) is gone up formation one protuberance (711) therein; Go up should being fixed with a jacking block (8) by fastener (7) at middle rail (2), and jacking block (8) goes up and form a projection (81) corresponding with above-mentioned protuberance (711), promptly projection (81) is arranged on the sliding trajectory of protuberance (711) edge rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201179088U CN2655736Y (en) | 2003-11-11 | 2003-11-11 | Multistep stretching slide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201179088U CN2655736Y (en) | 2003-11-11 | 2003-11-11 | Multistep stretching slide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2655736Y true CN2655736Y (en) | 2004-11-17 |
Family
ID=34347020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201179088U Expired - Fee Related CN2655736Y (en) | 2003-11-11 | 2003-11-11 | Multistep stretching slide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2655736Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102613824A (en) * | 2012-04-17 | 2012-08-01 | 南京大全电气有限公司 | Multi-stage slide moving guide rail |
| CN103871169A (en) * | 2012-12-17 | 2014-06-18 | 鸿富锦精密工业(武汉)有限公司 | Sliding structure of goods channel |
| CN107830055A (en) * | 2017-11-29 | 2018-03-23 | 佛山市格菲卡金属制品有限公司 | A kind of solid overweight carrying slide rail of eight guide grooves |
| CN109282362A (en) * | 2018-09-19 | 2019-01-29 | 珠海格力电器股份有限公司 | Fan mounting structure and air conditioner |
| CN110394987A (en) * | 2019-07-29 | 2019-11-01 | 洛阳师范学院 | A kind of printing device with wireless network module |
-
2003
- 2003-11-11 CN CNU2003201179088U patent/CN2655736Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102613824A (en) * | 2012-04-17 | 2012-08-01 | 南京大全电气有限公司 | Multi-stage slide moving guide rail |
| CN102613824B (en) * | 2012-04-17 | 2014-04-02 | 南京大全电气有限公司 | Multi-stage slide moving guide rail |
| CN103871169A (en) * | 2012-12-17 | 2014-06-18 | 鸿富锦精密工业(武汉)有限公司 | Sliding structure of goods channel |
| CN107830055A (en) * | 2017-11-29 | 2018-03-23 | 佛山市格菲卡金属制品有限公司 | A kind of solid overweight carrying slide rail of eight guide grooves |
| CN107830055B (en) * | 2017-11-29 | 2023-12-19 | 佛山市格菲卡金属制品有限公司 | Solid overweight slide rail that bears of eight guide slots |
| CN109282362A (en) * | 2018-09-19 | 2019-01-29 | 珠海格力电器股份有限公司 | Fan mounting structure and air conditioner |
| CN110394987A (en) * | 2019-07-29 | 2019-11-01 | 洛阳师范学院 | A kind of printing device with wireless network module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |