CN202636185U

CN202636185U - Guide rail structure of drawer

Info

Publication number: CN202636185U
Application number: CN2012201364868U
Authority: CN
Inventors: 李绍汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-01
Filing date: 2012-04-01
Publication date: 2013-01-02
Anticipated expiration: 2022-04-01

Abstract

The utility model discloses a guide rail structure of a drawer, belonging to hardware. The guide rail structure comprises a fixed rail and a movable rail, wherein the bearing part of the fixed rail is provided with a downward-pointing-triangle-shaped section; the section of the movable rail is approximately reversely-U-shaped; a retainer is arranged between the fixed rail and the movable rail; the upper surface of the horizontal edge of the bearing part of the fixed rail is provided with a first sunk rolling path; the lower surface of the horizontal edge of the movable rail is provided with a second sunk rolling path; a first rolling ball is embedded between the first and second rolling paths; the lower ends of the two vertical edges of the movable rail are respectively provided with a first bending part; the two first bending parts of the movable rail are respectively opposite to the two oblique edges of the triangular fixed rail; a second rolling ball is respectively embedded between each first bending part and each oblique edge of the triangular fixed rail; and the first and second rolling balls are both limited by the retainer. The guide rail structure of the drawer disclosed by the utility model is simple in structure, large in bearing capacity and low in sway and is applicable to all furniture.

Description

Guide rail structure of drawer

Technical field

The utility model relates to hardware, particularly a kind of furniture guide rail.

Background technology

Common drawer guideway is comprised of retaining rail and movable rail, and for the bearing capacity and the smoothness that improve guide rail, manufacturer constantly improves guide rail structure.

The utility model patent (applying date 2007-11-28, publication number CN201127427Y) that name is called " rectangular guideway " discloses a kind of drawer guideway, and its first rail cross section is rectangular, and the cross section of second rail is "T"-shaped, and "T"-shaped longeron stretches out the opening of first rail; The first rail has the arc ditch near two interior angles of opening, and there are two arc ditches another inboard, limit that the first rail is relative with opening; The both sides waist in " T " cross section of second rail has the arc ditch, and two arc ditches are arranged at the crossbeam top in " T " cross section of second rail; The first rail has ball near between two interior angles of opening and the second rail both sides waist ball being arranged between the crossbeam top in " T " cross section of second rail and the first rail inwall; Two the arc ditches in crossbeam top that are in " T " cross section of second rail are interspersed with the length direction of two row balls between the first rail inwall along the second rail.This guide rail has disposed 4 ball/roller as support between first rail and second rail, effectively eliminated inherent bad gap.But the part of this two joint guide rails is more, causes production technology complicated, and cost is higher.

A kind of drawer guideway is arranged in addition, and its outer rail cross section is rectangular, and the cross section of interior rail is del, and outer rail is enclosed in outside the interior rail; The roller of a lateral arrangement of device bears the pressure at right angle that drawer applies guide rail between the horizontal sides of the horizontal sides of interior rail and outer rail, because this roller fails to limit outer rail with respect to the lateral shift of interior rail, therefore operation gets up to also have a little to rock.

Summary of the invention

The purpose of this utility model be to provide a kind of simple in structure, load capacity large, rock little guide rail structure of drawer.

The utility model comprises retaining rail and the movable rail that is enclosed in the retaining rail outside, and the supporting part of retaining rail has the del cross section, and the cross section of movable rail roughly is П shape, between retaining rail and the movable rail retainer is arranged; The horizontal sides upper surface of retaining rail supporting part has the first raceway of depression; The horizontal sides lower surface of movable rail also has the second raceway of depression, and assembly has the first ball between the first raceway and the second raceway; There is the first fold turn of bilge movable rail two upstanding edge lower ends; Two first fold turn of bilges of movable rail respectively two triangle hypotenuses with retaining rail are relative, and assembly has the second ball respectively between the triangle hypotenuse of each first fold turn of bilge and retaining rail; The first ball and the second ball all are held frame and retrain.

Guide rail structure compared with prior art, it (is three balls at a cross section that three balls have been installed between retaining rail of the present utility model and the movable rail, three row balls from whole guide rail product), wherein only bear pressure at right angle with (row) ball conduct.The benefit of saving (row) ball is to reduce production cost; For one every day shipment amount reach the guide rail producer of several containers, it be can not ignore the contribution that reduces product cost and save the resources of production.Secondly the first ball can only make it also be subject to the constraint of the first raceway and the second raceway when bearing pressure at right angle along the first raceway and the second rolling path rolling, thereby has eliminated the lateral shift of movable rail with respect to retaining rail.

Suitable being installed on all furniture of the utility model used.

Description of drawings

Fig. 1 is the structural representation of certain existing guide rail;

Fig. 2 is the structural representation of another kind of existing guide rail;

Fig. 3 is the orbital member cutaway view of the utility model embodiment one;

Fig. 4 is the structural representation of embodiment one;

Fig. 5 is the outside drawing of embodiment one;

Fig. 6 is the outside drawing after embodiment one removes movable rail;

Fig. 7 is the outside drawing after the utility model embodiment two removes movable rail;

Fig. 8 is the orbital member cutaway view of the utility model embodiment three;

Fig. 9 is the structural representation of embodiment three;

Figure 10 is the outside drawing of embodiment three;

Figure 11 is the outside drawing after embodiment three removes the second movable rail;

Figure 12 is the outside drawing after embodiment three removes the second movable rail and the second retainer.

The specific embodiment

Further specify the utility model below in conjunction with drawings and Examples.

Referring to Fig. 1, as a representative structure of existing guide rail product, its outer rail 102 cross sections are rectangular, and the cross section of interior rail 101 is T-shaped, and outer rail 102 is enclosed in outside the interior rail 101; Between four interior angles of outer rail 102 and the interior rail 101 altogether assembly four balls 103 are arranged.

Referring to Fig. 2, as another representative structure of existing guide rail product, its outer rail 202 cross sections are rectangular, and the cross section of interior rail 201 is del, and outer rail 202 is enclosed in outside the interior rail 201; The roller 203 of a lateral arrangement of device bears the pressure at right angle that drawer applies guide rail between the horizontal sides of the horizontal sides of interior rail 201 and outer rail 202, although have 204 pairs of left and right displacement of two balls in below to carry out certain restriction, but still can not eliminate movable rail 202 with respect to the transverse shakiness of retaining rail 201.

Referring to Fig. 3 to Fig. 5, embodiment 1 of the present utility model is one two joint drawer guideway, and it has retaining rail 1 and movable rail 2, and the supporting part of retaining rail 1 has the del cross section, the cross section of movable rail 2 roughly is П shape, and a retainer 3 is arranged between retaining rail 1 and the movable rail 2; The horizontal sides upper surface of retaining rail 1 supporting part has the first raceway 4 of depression; The horizontal sides lower surface of movable rail 2 has between the second raceway 5, the first raceways 4 of the depression relative with the first raceway 4 and the second raceway 5 and is embedded with first ball 6; The first ball 6 is held frame 3 constraints.

All respectively there is a first fold turn of bilge 7 two upstanding edge lower ends of movable rail 2; Two first fold turn of bilges 7 of movable rail 2 respectively two triangle hypotenuses with interior rail 1 are relative, have respectively between the 3rd raceway 9 and the 4th raceway 10, the three raceways 9 and the 4th raceway 10 on two triangle hypotenuses of two first fold turn of bilges 7 and interior rail 1 and be embedded with two the second balls 8; Two the second balls 8 also are held frame 3 and retrain.

The curvature of the first raceway 4 and the second raceway 5 is suitable with the diameter of the first ball 6; The curvature of the 3rd raceway 9 and the 4th raceway 10 is suitable with the diameter of the second ball 8, has guaranteed that ball and slide rail are that face contacts, and have reduced the pressure that ball bears.

Referring to Fig. 6, removed after the movable rail, can see that at the two ends of retainer 3 all each clampings have four the first balls 6 that are positioned at retaining rail 1 horizontal plane, eight the first balls 6 all are absorbed in the first raceway 4(of retaining rail 1 and are absorbed in the second raceway of movable rail) be used for carrying out the movable rail mobile guide, eliminate movable rail with respect to transverse shakiness and the load-bearing of retaining rail; Second ball 8 on six on every limit that the two ends of retainer 3 are positioned at the del hypotenuse below of retaining rail 1 in addition is used for keeping the relative distance of movable rail bottom and retaining rail 1, and bears the power that upwarps that when movable rail is fully pulled out formation cantilever position movable rail bottom puts on the triangle hypotenuse of retaining rail 1.

Referring to Fig. 7, embodiment 2 is at retainer 3 two ends that with the difference of embodiment 1 all each clampings have three the first balls 6 that are positioned at retaining rail 1 horizontal plane, what come the first ball 6 fronts is that the second roller 17, the first balls 6 of a horizontal positioned and the second roller 17 all are held frame 3 and retrain.2 li of embodiment, six the first balls 6 are used for carrying out movable rail mobile guide and load-bearing; And two the second rollers 17 only are used for load-bearing.

On two joint drawer guideway bases of

embodiment

1 or 2, increase again second movable rail and corresponding part and just consisted of three joint drawer guideways with the utility model feature and advantage.

Referring to Fig. 8 to Figure 10, except all features of

embodiment

1 or 2, embodiment 3 also has the second movable rail 11; The cross section of the second movable rail 11 roughly is П shape, and the second movable rail 11 is enclosed in movable rail 2 outsides, between movable rail 2 and the second movable rail 11 the second retainer 12 is arranged; The roller 13 that horizontal positioned is arranged between the upper surface of the horizontal sides lower surface of the second movable rail 11 and movable rail 2 horizontal sides; Also respectively there is second bending part 14 at the middle part of 2 two upstanding edges of movable rail, there is three bending part 15 relative with the second bending part 14 two upstanding edge lower ends of the second movable rail 11, be embedded with the 3rd ball 16 between the second bending part 14 and the 3rd bending part 15, roller 13 and the 3rd ball 16 are all retrained by the second retainer 12; In order to increase the mechanical strength of the 3rd bending part 15, the 3rd bending part 15 is made two-fold bending.

Referring to Figure 11, after the second movable rail of embodiment 3 removes, as seen two independently the second retainers 12 can be arranged above being positioned at movable rail 2, device has four rollers 13 of horizontal positioned and four the 3rd balls 16 that four the 3rd ball 16(that are positioned at the second retainer 12 left sides are positioned at the right side to be blocked in the drawings to fail to see on second retainer 12 in front), device has three rollers 13 of horizontal positioned and three the 3rd balls 16 that three the 3rd ball 16(that are positioned at the second retainer 12 left sides are positioned at the right side to be blocked in the drawings to fail to see on second retainer 12 in back).

Referring to Figure 12, after continuing to remove the second retainer, roller and the 3rd ball, embodiment 3 remaining part-structures just are equivalent to the structure of embodiment 1.

Claims

1. guide rail structure of drawer, comprise retaining rail (1) and be enclosed in the movable rail (2) of retaining rail (1) outside, the supporting part of retaining rail (1) has the del cross section, and the cross section of movable rail (2) roughly is П shape, between retaining rail (1) and the movable rail (2) retainer (3) is arranged;

It is characterized in that: the horizontal sides upper surface of retaining rail (1) supporting part has first raceway (4) of depression; The horizontal sides lower surface of movable rail (2) has the second raceway of depression (5) is also arranged, and assembly has the first ball (6) between the first raceway (4) and the second raceway (5); There is first fold turn of bilge (7) movable rail (2) two upstanding edge lower ends; Two first fold turn of bilges (7) of movable rail (2) respectively two triangle hypotenuses with retaining rail (1) are relative, and assembly has the second ball (8) respectively between the triangle hypotenuse of each first fold turn of bilge (7) and retaining rail (1); The first ball (6) and the second ball (8) are all retrained by described retainer (3).

2. according to guide rail structure of drawer claimed in claim 1, it is characterized in that: the roller (17) that also is provided with horizontal positioned between the horizontal sides upper surface of described retaining rail (1) supporting part and the horizontal sides lower surface of described movable rail (2), roller (17) is also retrained by described retainer (3).

3. according to guide rail structure of drawer claimed in claim 1, it is characterized in that: the outside of described movable rail (2) also has the second movable rail (11), the cross section of the second movable rail (11) roughly is П shape, between movable rail (2) and the second movable rail (11) the second retainer (12) is arranged; The second roller (13) that horizontal positioned is arranged between the upper surface of the horizontal sides lower surface of the second movable rail (11) and movable rail (2) horizontal sides; The middle part of (2) two upstanding edges of described movable rail all also has the second bending part (14), there is three bending part (15) relative with the second bending part (14) two upstanding edge lower ends of the second movable rail (11), are embedded with the 3rd ball (16) between the second bending part (14) and the 3rd bending part (15); The second roller (13) and the 3rd ball (16) are all retrained by the second retainer (12).

4. according to guide rail structure of drawer claimed in claim 3, it is characterized in that: two the 3rd bending parts (15) that are positioned on the second movable rail (11) are two-fold bendings.