CN2481206Y

CN2481206Y - Drawer sliding rail

Info

Publication number: CN2481206Y
Application number: CN 01223222
Authority: CN
Inventors: 翁国展
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-09
Filing date: 2001-05-09
Publication date: 2002-03-13
Anticipated expiration: 2011-05-09

Abstract

The utility model discloses a drawer sliding rail, comprising an outer sliding rail, an interim sliding rail, an inner sliding rail, an outer stop, an inner blocking device, wherein the outer sliding rail is arranged on a box, the outer stop is arranged on one end of the interim sliding rail, the inner blocking device is arranged inside the inner sliding rail which is arranged on a drawer. Through a combined sliding of each sliding rail and a blocking or sliding of the inner blocking device and the outer stop, the drawer and the box can be combined and divided easily.

Description

Drawer sliding rail

The utility model is relevant with the carriage between two article, is meant the railroad that is generally used in drawer, file cabinet etc. especially.

Commonly use the push-pull configuration between drawer and casing, tie up to and be provided with corresponding two tracks between the two, by chimeric each other, can make drawer be arranged at box house and do push pull maneuver, further person, be provided with stop section such as projection or lug at corresponding two tracks, take place that drawer breaks away from casing when avoiding the push-and-pull drawer and the danger of dropping.Right above-mentioned structure except that because of the big push-and-pull drawer effort of frictional force and noise excessive, combining structure between drawer and casing is also bad because of conjugation, make in push-and-pull drawer process, the phenomenon of rocking is up and down arranged, other two tracks are provided with the device of stop section, though can avoid drawer to break away from the danger that casing drops, but when needs dismounting drawer, or when behind the dismounting drawer, desiring with box body combinations, drawer must be done again and move up and down to anchor point, can be with drawer dismounting or combination, this is not easy the user and is inconvenient.

Further the person is provided with ball bearing at corresponding two interorbitals, as No. the 4119377th, United States Patent (USP), in order to the slip between drawer and casing and preferable conjugation is arranged.

Person further, develop drawer sliding rail structure-improved such as United States Patent (USP) No. 5316389 and No. 5577821, it mainly is provided with a casing slide rail, slide rail in one, one drawer sliding rail, the card that one stop block and that is arranged at slide rail one end in this is arranged at this position, drawer sliding rail stage casing ends the lever lamellar body, slip after making up mutually by each slide rail, and this card only two little shoulders on the lever lamellar body can make card with two light sections on this stop block and only stop, can make the unlikely disengaging casing of drawer and drop, or this card is ended the lever lamellar body do the horizontal direction compacting of pointing to this drawer sliding rail, can dismantle drawer easily and break away from casing.

Right above-mentioned drawer sliding rail structure-improved still has following shortcoming:

1. to end the locking surface of lever lamellar body and this stop block be light section to this card, pulling out drawer when stressed, because stress is concentrated, makes that respectively this locking surface is easy to wear and tear or break.

2. because the space of being somebody's turn to do between middle slide rail and this drawer sliding rail is narrow and small, so this card ends lever sheet system and extends and roughly parallel with this drawer sliding rail design towards long axis direction, again in order to want to have the horizontal direction displacement of bigger this drawer sliding rail of sensing, in order to drawer for convenience detach, so except that its material adopts polymer material, its card ends the place and is separated with suitable distance mutually with its fulcrum, so, end two little shoulders of lever lamellar body when this card and pulling out reaction force and the buckling phenomenon that is produced when drawer is stressed to be clashed into, the component that points to this drawer sliding rail will be attended by, make this card end the lever lamellar body and be easy to do beating of this drawer sliding rail direction displacement of sensing, this card end on the lever lamellar body two little shoulders just can not with two light section clampings on this stop block, and be easy to cause the phenomenon of drawer disengaging casing.

Main purpose of the present utility model is promptly providing a kind of drawer sliding rail, and it can block really and end when pulling out drawer.

Of the present utility model time a purpose is promptly providing a kind of drawer sliding rail, and it can increase the article life-span itself.

For reaching aforesaid purpose, the utility model by the following technical solutions:

A kind of drawer sliding rail, it includes: an external slide rail, the cell body of cording predetermined length and channel section; Slide rail in one, the cell body of cording predetermined length and channel section, it is embedded in the cell body of described external slide rail; Slide rail in one, the cell body of cording predetermined length and channel section, it is embedded in the cell body of described middle slide rail; One outer stop section, it is located at the outer end of described middle slide rail; Fastener in one, the plasticity condensate of cording predetermined length, one end are fixedly arranged on described interior slide rail stage casing predetermined position; It is characterized in that:

Described outer stop section has the stopping surface of transverse direction; The other end of fastener is provided with a button pulling eye in described, its stage casing part forms by having two inclined-plane handing-over of pointing to described middle slide rail, an inclined-plane far away, its stop section outside described in the cross sectional area of junction greater than the cross sectional area of another inclined-plane in this junction, formation can with the interior locking surface of the corresponding butt of stopping surface of this outer stop section.

The dual-side of described external slide rail, middle slide rail and interior slide rail is respectively equipped with a sphere track, and further includes:

One first ball bearing, its between described external slide rail and described in sphere track between slide rail; One second ball bearing, its in described slide rail and described in sphere track between slide rail; One in order to stop the external slide rail stop section of described middle slide rail, and it is located at an end of described external slide rail; One in order to stop the first ball bearing stop section of described first ball bearing, and it is located at the other end of described external slide rail; Two in order to take out the abutting part that holds butt with described first ball, and it is located at described middle slide rail one end dual-side; One in order to stop the second ball bearing stop section of described second ball bearing, and it is located at the position, stage casing of described middle inside, slide rail bottom surface.

The section configuration of the stopping surface of the section configuration of the locking surface of fastener and outer stop section is a rectangular surfaces in described.

Slide rail bottom surface and two sides inner edge are an acute angle at the angle of kink in described, the two ends section configuration of fastener in described, be made as down edge lengths corresponding to slide rail bottom surface inner edge width in described and greater than the trapezoidal faces of last edge lengths, two waist limit slopes systems of this trapezoidal faces are corresponding to this acute angle angle.

During use, described external slide rail is arranged at a casing, and described interior slide rail is arranged at a drawer.

The utlity model has following all advantages:

1. two inclined-planes that fastener is provided with in this will provide really completely that card ends effect, and will be unlikely when the push-and-pull drawer, take place that drawer breaks away from casing and the phenomenon that drops.

2. because of there being bigger card to end basal area, fastener or outer stop section are easy to wear or break in this, thereby can increase life of product.

Below, lift a preferred embodiment of the present utility model now, and cooperate diagram to be described in further detail:

Fig. 1 is the schematic perspective view of the utility model one preferred embodiment.

Fig. 2 is the perspective exploded view of the utility model one preferred embodiment.

Fig. 3 is the schematic perspective view of the interior fastener of the utility model one preferred embodiment.

Fig. 4 is the cutaway view of the utility model one preferred embodiment in the A-A direction.

Fig. 5 be the utility model one preferred embodiment after drawer and box body combinations in the cutaway view of B-B direction.

Fig. 6 be the utility model one preferred embodiment interior fastener with outside during the stop section clamping in the cutaway view of B-B direction.

Fig. 7 be the utility model one preferred embodiment interior fastener with outside the stop section not during clamping in the cutaway view of B-B direction.

See also Fig. 1 to Fig. 7, it is to be made up of jointly slide rail 14, one outer stop section 16, one interior 18 of fasteners in the slide rail in the external slide rail 10, one 12, that the utility model is taken off drawer sliding rail improved device 1, in addition in this external slide rail 10 with should in 12 of slide rails be provided with one first ball bearing 11, in this slide rail 12 and in this 14 of slide rails be provided with one second ball bearing 13.

This external slide rail 10 is the cell body of a tool predetermined length and channel section, the sphere ball orbit of its dual-side cording C shape section, its two ends are respectively equipped with an external slide rail stop section 10a and 2 first ball bearing stop section 10b, respectively in order to stop slide rail 12 and this first ball bearing 11 in this.

Should middle slide rail 12 be that a tool predetermined length and both sides, bottom surface are that channel section, position, stage casing, bottom surface are a cell body of shape section, the sphere ball orbit of its dual-side cording C shape section, one end dual-side be provided with one can with the abutting part 12a of the first ball bearing butt, the position, stage casing of its inside, bottom surface is provided with one in order to stop the second ball bearing stop section 12b of this second ball bearing 13.

Should interior slide rail 14 be the cell body of a tool predetermined length and channel section, the sphere ball orbit of its dual-side cording C shape section, position, inner stage casing is provided with a 14a of interlocking portion in the bottom surface for it.

Should outer stop section 16 be the corresponding end of being located at the first ball bearing abutting part 12a of slide rail 12 in this, its section configuration cardinal principle is corresponding to the section configuration of slide rail in this 12, wherein corresponding to the position of position, stage casing, 12 bottom surface of slide rail in this door shape section, cording is scheduled to the cube shaped of length.

The plasticity condensate of fastener 18 cording predetermined lengths in being somebody's turn to do, the one end is provided with the boarding hole 80 corresponding to the 14a of this interlocking portion, make and to rabbet with the 14a of this interlocking portion, its other end is provided with a button pulling eye 82, the width of its stage casing part is slightly less than these interior slide rail 14 width and has two inclined-planes 84 that swell predetermined altitudes and point to slide rail 12 bottom surfaces in this, 86 handing-over form, inclined-plane 84 far away, its stop section 16 outside this in cross sectional areas system of junction greater than the cross sectional area of another inclined-plane 86 in the junction, formation can with the interior locking surface 84a of the corresponding butt in position, stage casing of this outer stop section 16.

During enforcement, pull out drawer to should in locking surface 84a with should outside stop section 16 butts when clashing into, by two set inclined-planes of fastener in this 18, make in the component of pulling force and reaction force, the component that points to slide rail 12 in this will be much larger than the component that points to slide rail 14 in this, even can not produce the component that points to slide rail 14 in this, fastener 18 can not produce and point to beating of these interior slide rail 14 directions in this, and card ends effect and reach completely.

When if desire is separated drawer with casing, as long as the user is with pointing the pulling force of bestowing long axis direction at this button pulling eye 82, and locking surface 84a will produce the displacement of pointing to slide rail 14 directions in this in this, promptly be easy to drawer is separated with casing.

The bottom surface and the two sides inner edge that are somebody's turn to do interior slide rail 14 in aforementioned this drawer sliding rail improved device 1 can be made as an acute angle at the angle of kink, and this interior fastener 18 is in the section configuration of two ends predetermined portions, can be made as down edge lengths corresponding to the 14 bottom surface inner edge width of slide rail in this and greater than the trapezoidal faces of last edge lengths, two waist limit slope systems of this trapezoidal faces are corresponding to this acute angle angle, make combination should in fastener 18 with this in during slide rail 14, as long as should press down toward being somebody's turn to do interior slide rail 14 bottom surfaces at interior fastener 18 two ends, sliding sleeve embeds also difficult drop-off easily.

Claims

1. drawer sliding rail, it includes:

-external slide rail, the cell body of cording predetermined length and channel section;

-middle slide rail, the cell body of cording predetermined length and channel section, it is embedded in the cell body of described external slide rail;

-interior slide rail, the cell body of cording predetermined length and channel section, it is embedded in the cell body of described middle slide rail;

-outer stop section, it is located at the outer end of described middle slide rail;

-interior fastener, the plasticity condensate of cording predetermined length, one end are fixedly arranged on described interior slide rail stage casing predetermined position;

It is characterized in that:

Described outer stop section has the stopping surface of transverse direction;

The other end of fastener is provided with a button pulling eye in described, its stage casing part forms by having two inclined-plane handing-over of pointing to described middle slide rail, an inclined-plane far away, its stop section outside described in the cross sectional area of junction greater than the cross sectional area of another inclined-plane in this junction, formation can with the interior locking surface of the corresponding butt of stopping surface of this outer stop section.

2. drawer sliding rail as claimed in claim 1 is characterized in that the dual-side of described external slide rail, middle slide rail and interior slide rail is respectively equipped with a sphere track, and further includes:

One first ball bearing, its between described external slide rail and described in sphere track between slide rail;

One second ball bearing, its in described slide rail and described in sphere track between slide rail;

One in order to stop the external slide rail stop section of described middle slide rail, and it is located at an end of described external slide rail;

One in order to stop the first ball bearing stop section of described first ball bearing, and it is located at the other end of described external slide rail;

Two in order to take out the abutting part that holds butt with described first ball, and it is located at described middle slide rail one end dual-side;

One in order to stop the second ball bearing stop section of described second ball bearing, and it is located at the position, stage casing of described middle inside, slide rail bottom surface.

3. drawer sliding rail as claimed in claim 1, it is characterized in that described in the section configuration of stopping surface of the section configuration of locking surface of fastener and outer stop section be a rectangular surfaces.

4. drawer sliding rail as claimed in claim 2, it is characterized in that described in the section configuration of stopping surface of the section configuration of locking surface of fastener and outer stop section be a rectangular surfaces.

5. drawer sliding rail as claimed in claim 1, it is characterized in that described interior slide rail bottom surface and two sides inner edge are an acute angle at the angle of kink, the two ends section configuration of fastener in described, be made as down edge lengths corresponding to slide rail bottom surface inner edge width in described and greater than the trapezoidal faces of last edge lengths, two waist limit slopes systems of this trapezoidal faces are corresponding to this acute angle angle.

6. drawer sliding rail as claimed in claim 2, it is characterized in that described interior slide rail bottom surface and two sides inner edge are an acute angle at the angle of kink, the two ends section configuration of fastener in described, be made as down edge lengths corresponding to slide rail bottom surface inner edge width in described and greater than the trapezoidal faces of last edge lengths, two waist limit slopes systems of this trapezoidal faces are corresponding to this acute angle angle.