CN2595254Y

CN2595254Y - Improved structre of drawer slide rail

Info

Publication number: CN2595254Y
Application number: CN03201444U
Authority: CN
Inventors: 黄国升
Original assignee: NANJUN INTERNATIONAL CO Ltd
Current assignee: NANJUN INTERNATIONAL CO Ltd
Priority date: 2003-01-29
Filing date: 2003-01-29
Publication date: 2003-12-31
Anticipated expiration: 2013-01-29

Abstract

The utility model relates to an improved structure of a drawer slide rail. A fixed rail coats a movable rail and a ball device is arranged between the fixed rail and the movable rail, which causes the movable rail to be laterally displaced in the fixed rail. The utility model is characterized in that a flat and straight surface of the fixed rail, which is adjacent to an open end is integrally, upwards and convexly provided with a hollow stop; the flat and straight surface of the fixed rail, which is adjacent to an inner side integrally, downwards and convexly extends, forming a clamping tenon; the mutual contact of the clamping tenon and the stop is taken as the stopping limit of the movable rail which is outwards pulled. When the movable rail is compulsorily pulled out, an external force is applied to the clamping tenon along a force applying opening at the inner surface of the stop to cause the clamping tenon to be deformed and then to cross over the stop, which causes that the movable rail is drawn and separated from the fixed rail.

Description

The structure-improved of drawer sliding rail

Technical field

This case relates to a kind of furniture rail structure, refers in particular to a kind of structure-improved of drawer sliding rail.

Background technology

The formation of drawer is the open box body in a top, and the one side is linked to the movable rail of slide rail, and retaining rail then is linked to the inwall of drawer space that furniture is reserved.Therefore, when the pulling drawer,, drawer be can be push or pull out by the operation of slide rail.

In fact, when avoiding movable rail to pull out and retaining rail break away from, therefore be provided with a backstop in the retaining rail open end, but for considering the I﹠M of drawer, on the whole this backstop be the elastomer that tenon socket one is made by plastic cement or rubber that ends by integrated punching, when movable rail was forced to pull out by retaining rail, its default trip was crossed this elastomer, and movable rail is separated with retaining rail.But aforementioned elastomer can't be assembled with mechanical automation, so that causes that assembling is loaded down with trivial details, cost of labor is high, and the manufacturing cost of the expenditure of additional mold expense, so that drawer sliding rail in addition is high.

In addition, the roller unit of this activity rail and retaining rail can be along with movable rail displacement according to relative motion principle, when movable rail was detached by retaining rail, this roller unit was if can't be positioned the openend of retaining rail, when movable rail inserts assembling, then because of the roller unit displacement, and can't engage with movable rail.Therefore, this roller unit has necessity of location, and the general practice is to make clamping piece with plastic cement, form the location with roller unit, but its shortcoming also as hereinbefore, and does not meet economic benefit.

The utility model content

This case main purpose is to provide a kind of structure-improved of drawer sliding rail, and it can exempt the shortcoming of establishing elastomeric assembling inconvenience and cost costliness in addition.

This case secondary objective is to provide a kind of structure-improved of drawer sliding rail, and the integrated grab of this retaining rail openend wherein can be used as the clip location of roller unit, in order to the engaging of movable rail.

For achieving the above object, the utility model provides a kind of structure-improved of drawer sliding rail, it coats a movable rail by a retaining rail, be provided with a roller unit between the two, make movable rail lateral displacement in retaining rail, this retaining rail flat face neighbouring open end one is upwards prominent establishes a hollow backstop, and movable rail flat face adjacent medial side is downward projection one trip of one then, this trip and backstop are supported mutually, draw outward as movable rail and end limit; When movable rail was forced to pull out, trip applied external force along the backstop inner face, and impels its distortion, and and then cross this backstop, movable rail is detached by retaining rail.

The structure-improved of described drawer sliding rail, wherein the trapezoidal backstop inboard of this hollow is the retaining end of slightly deflect upwards, and an inclined-plane is then extended in the outside downwards, and this retaining end supports mutually with trip, limits as ending of drawing outward of movable rail.

The structure-improved of described drawer sliding rail, it further comprises a roller unit detent mechanism, it is at the prominent at least opening grab inwardly of establishing of the front and back of retaining rail neighbouring open end side, and roller unit outboard end central authorities open a kerve, supply the ccontaining of backstop, and the formed hook end of front and back side then clip in grab, the location when drawing outward as roller unit.

The structure-improved of described drawer sliding rail, inboard set at least one rib end of the inboard corresponding roller unit of this retaining rail is wherein then prominently established at least one rib that ends, and ends limit when moving in the roller unit.

Via the enforcement of this case, this retaining rail and all integrated punching moulding of movable rail, and then form a summary flexible backstop of tool and a trip, this measure can be exempted the shortcoming of establishing elastomeric assembling inconvenience and cost costliness in addition.Further, the integrated grab of retaining rail openend can be used as the clip location of roller unit, in order to the engaging of movable rail, more can significantly reduce many shortcomings of establishing clamping piece in addition.

Description of drawings

Fig. 1 is the three-dimensional exploded view of this case slide rail;

Fig. 2 is the stereogram of this case group after upright;

Fig. 3 (a) and Fig. 3 (b) are the profile of this case backstop and trip;

Fig. 4 is the stereogram after this case activity rail is detached by retaining rail.

The specific embodiment

For further disclosing the concrete technology contents of this case, at first see also graphic.

Shown in Fig. 1 to Fig. 3 (b), basically, the slide rail of this case is combined by a retaining rail 1, one roller unit 2 and a movable rail 3.

Wherein, retaining rail 1 is a U-shaped support body, and its bottom flat face is provided with the hookup mechanism 11 that combines with the drawer space inwall, and for example frame hole/groove passes through locking for screw, and only this is a known technology, does not intend giving unnecessary details at this.And this case innovation place is that the openend integrated punching that is retaining rail 1 goes out the trapezoidal backstop 12 of a hollow, and its inboard is one upwards to be the retaining end 121 of slightly deflect, with after chat movable rail 3 trip 32 form and support mutually; An inclined-plane 122 is then extended in the outside downwards, the foundation of displacement when inserting as trip 32.In addition, located for making this roller unit 2, at least one side integrated punching in the front and back in these backstop 12 outsides goes out opening grab 13 inwardly, and the appropriate location of this retaining rail 1 inboard relatively these grabs 13 also one is prominent establishes at least one rib 14 that ends, with the limit of ending of inwardly sliding as roller unit 2.

Roller unit 2 is the U-shaped support body of the corresponding retaining rail 1 of one section size, and its forward and backward side is set plurality of balls 21, and is socketed on retaining rail 1, makes these balls 21 can be along sidewall slippage before and after it.This roller unit 2 is different from known technology and is, it is arranged with a kerve 22 towards corresponding backstop 12 positions, the retaining rail 1 openend outside, and side forms a hook end 23 respectively before and after it, so that clip is in aforesaid grab 13, and the location after the rail of formation activity according to this 3 outer the drawing.In addition, the inboard corresponding ribs 14 that end of roller unit 2 also form rib end 24, so that be the limit of ending of moving in the roller unit 2 when supporting mutually.

Movable rail 3 is the U-shaped support body of the corresponding roller unit 2 of a size, and the flat face at its top is provided with the hookup mechanism 31 that combines with the drawer box body sidewall, and for example frame hole/groove passes through locking for screw, and this is a known technology, does not intend giving unnecessary details at this.

And should go out a trip 32 by activity rail 3 inboard corresponding backstop 12 place's integrated punchings, when both support mutually, for movable rail 3 outer ending of drawing are limit.

Please consult Fig. 3 (a) and Fig. 3 (b) again, if when movable rail 3 forced to pull out, then it is along 121 displacements of retaining end, and external force is impelled backstop 12 distortion, crosses retaining end 121 when trip 32, at this moment, whole movable rail 3 can be detached by retaining rail 1.

Seeing also Fig. 4, because of roller unit 2 and movable rail 3 interlocks, is to detach to work as movable rail 3, and backstop 12 is placed in the kerve 22, and the hook end 23 of both sides is then located for grab 13 snappings.And when movable rail 3 embedded once again, its end can engage with the ball 21 of both sides exactly, and can successfully hook end 23 be separated by grab 13.

It is a kind of of preferred embodiment that this case discloses, such as Ju Bu change or modification and come from the technological thought of this case and be have the knack of this technology the people was easy to know by inference, all do not take off the patent right category of this case.

Claims

1, a kind of structure-improved of drawer sliding rail, it coats a movable rail by a retaining rail, is provided with a roller unit between the two, makes movable rail lateral displacement in retaining rail, it is characterized in that:

The upwards prominent hollow backstop of establishing of this retaining rail flat face neighbouring open end one, movable rail flat face adjacent medial side is the trip that supports mutually of the downward projection one of one and backstop then.

2, the structure-improved of drawer sliding rail according to claim 1 is characterized in that: wherein the trapezoidal backstop inboard of this hollow is the retaining end of slightly deflect upwards, and an inclined-plane is then extended in the outside downwards, and this retaining end supports mutually with trip, is that ending of drawing outward of movable rail limit.

3, the structure-improved of drawer sliding rail according to claim 1, it is characterized in that: it further comprises a roller unit detent mechanism, it is at the prominent at least opening grab inwardly of establishing of the front and back of retaining rail neighbouring open end side, and roller unit outboard end central authorities open a kerve, and the formed hook end of front and back side then clip in grab, the location when drawing outward for roller unit.

4, the structure-improved of drawer sliding rail according to claim 1 is characterized in that: inboard set at least one rib end of the inboard corresponding roller unit of this retaining rail wherein, then prominently establish at least one rib that ends, and end limit when moving in the roller unit.