CN109068852A

CN109068852A - Drawer pull-out guide with rolling element

Info

Publication number: CN109068852A
Application number: CN201780026653.9A
Authority: CN
Inventors: H·黑默勒
Original assignee: Unisys Co Ltd Blum Si
Current assignee: Unisys Co Ltd Blum Si; Julius Blum GmbH
Priority date: 2016-04-15
Filing date: 2017-03-13
Publication date: 2018-12-21
Also published as: JP3229980U; JP2019511327A; DE202017007151U1; AT15548U1; WO2017177248A1; EP3442377A1

Abstract

The present invention relates to a kind of drawer pull-out guides (100), comprising: at least two tracks (1,2) movably supported relative to each other, wherein, the operation face (3) of longitudinal direction (LR) extension along the track (1,2) is provided at least one track (1,2)；At least one rolling element (4) of transmitting load between track (1,2) is set, the rolling element movably supports in the case where track (1,2) relative motion along operation face (3), wherein, the operation face (3) of track (1,2) has at least one first guide tab (5) that (LR) extends in a longitudinal direction laterally to guide at least one described rolling element (4).

Description

Drawer pull-out guide with rolling element

Technical field

The drawer pull-out guide of the feature of the present invention relates to a kind of preamble with claim 1.In addition, answering When providing a kind of drawer and furniture with drawer pull-out guide according to the present invention.

Background technique

Drawer pull-out guide of the type mentioned at the beginning already belongs to the prior art and for example in WO 2014/071425 It is shown in A.Drawer pull-out guide based on its longitudinally extend and very narrow make and distorting and turning round mostly Turn have certain defect in terms of stability.This is for example balanced by rolling element, the rolling element on the one hand horizontally and Also vertically support and power is transmitted on next track from a track, wherein a track securely with drawer phase Connection, and another track is then securely connected with Furniture Body.Thus, the setting angularly in relation to one another for example, on track Face equipped with one or more rolling element, so as to shape certain distortion and torsional stability.Exist herein as follows Problem: there is the rolling element of the rolling axis extended vertically, so-called interval roller to occupy many spaces and can not re-form tight The make gathered, make narrow in other words.As adding, the size of drawer pull-out guide cross section is based on institute The interval roller being vertically arranged is stated it may be said that at least must be with the diameter matches of the interval roller.In addition, the additional interval roller produces Raw rolling noise and additional rolling resistance.In addition, drawer pulls out guidance dress in the case where the abrasion for being spaced roller is gradually increased Setting becomes unstable in terms of distorting with torsional rigid.In order to assist preventing this distort that roller is not used only, and use ball, Rolling element or the like, to form torsion rigidity lacking in the track movably supported relative to each other.

Summary of the invention

Task of the invention lies in avoid aforementioned disadvantage and propose that one kind has improved drawer compared with the existing technology Pull-out guide.

In the case where drawer guiding device according to the present invention, this passes through the characteristic solution of independent claims 1,16 and 17 Certainly.

If the operation face of track has at least one first guide tab extended in a longitudinal direction laterally to draw At least one described rolling element is led, then lateral tilt can not occur for rolling element.Rolling element one side edge on its circumference side Operation face extend.Here, the gravity of drawer is absorbed on circumference side by rolling element.In addition, rolling element is also laterally Contact guidance contact pin, one of the guide tab and track or the operation face being disposed thereon are connected.Thus keep rolling element steady Determine to prevent from tumbling from its horizontal rolling axis.By the mandatory guidance to rolling element, track can not be turned round relative to each other Turn or distorts.In addition, rolling element is limited in its movement along the direction of rolling axis based on the contact with guide tab It makes or is prevented from.The movement of the longitudinal axis transverse to drawer pull-out guide of rolling element is impossible.

Other details and advantage of the invention is shown by dependent claims.

Detailed description of the invention

Below according to for be set forth with reference to the Detailed description of the invention of embodiment being shown in the accompanying drawings it is of the invention in addition Details and advantage.In the accompanying drawings:

Fig. 1 shows the prior art；

Fig. 2 shows the cross-sectional views with operation face and the monomer-type drawer pull-out guide of track；

Fig. 3 illustrates rolling element and operation face with details；

Fig. 4 shows rolling element, retainer and operating element；

Fig. 5 shows the cross-sectional view of the drawer pull-out guide with independent operating element；

Fig. 6 shows the detail view of Fig. 5；And

Fig. 7 shows the drawer with drawer pull-out guide in furniture.

Specific embodiment

Fig. 1 shows the prior art.Track 1,2 is movably connected with each other via rolling element 4 and interval roller 40.Rolling element 4 The gravity of the generation of drawer 101 is absorbed on circumference as so-called operation roller.It is vertical fixed with vertical rolling axis RAv To interval roller 40 absorb the power generated in the case where torsion and distortion along drawer pull-out guide 100 and by track 1 supports relative to track 2.Based on the interval roller 40 with the rolling axis RAv extended vertically, it is necessary to which drawer is pulled out guidance dress Set 100 be configured to it is wider, so as to for interval roller 40 space is provided.Fig. 1 is additionally shown, between vertical rolling axis RAv There are the scroll zones of wide size every roller 40, this can aid in additional in the case where drawer pull-out guide 100 moves Ground forms noise and influences the operation characteristic of drawer pull-out guide 100.

Fig. 2 shows one embodiment of drawer pull-out guide 100, with rolling element 4 as operation roller, the rolling Body is arranged between track 1,2.Here, track 1,2 has operation face 3.In addition, the operation face 3 of track 1,2 has along drawer The first guide tab 5 that the longitudinal direction LR of pull-out guide 100 extends, first guide tab laterally guide at least one A rolling element 4.In addition, at least one described rolling element 4 has end face 7, the edge face structure is for laterally sticking on guide tab 5 Above and during track 1,2 relative motions at least partially contact the guide tab.It is also equipped with the second guide tab 6, it should Second guide tab is parallel to the extension of the first guide tab 5.Here, rolling element 4 is in two guidance with certain sideshake Between contact pin 5,6.Therefore, rolling element 4 also can have second end face 8 to stick in guide tab 6, and the second end face is in-orbit The second guide tab 6 is at least partially contacted in the case where road 1,2 relative motions.By sticking at least one end face 7,8 Prevent rolling element 4 from tumbling at least one guide tab 5,6.In addition, rolling element 4 cannot be moved along the direction of rolling axis RA It is dynamic, because the rolling element is forced to guide by guide tab 5,6.In addition, it is visible in fig. 2, face 3 is run also by rail Road 1 is constituted.Thus operation face 3 can pass through track 1,2 itself or the composition for passing through independent element.Fig. 3, which is shown, to be embedded into Rolling element 4 in operation face 3.Rolling element 4 has outer peripheral surface substantially cylindrical.Other outer peripheral surfaces (such as tubbiness or The cross section of person's hyperelliptic shape) it is also possible.Guide tab 5,6 designs to crowned and in this way in the present embodiment Necessary bottom line will be reduced to the contact of end face 7,8 because guide tab only on a point rather than planar with end Face 7,8 contacts.If the contact between guide tab 5,6 and end face 7,8 is realized with big area, rolled in rolling element 4 In the case of may generate friction undesirably in this region, this may negatively affect drawer pull-out guide 100 running stability and service life.In addition, being provided to improve the running stability and service life, at guide tab 5,6 Extend in the transition part between operation face 3 and guide tab 5,6 in parallel groove 10.The groove 10 is reduced in rolling element 4 Circumference operation face and end face 7,8 between transitional region in friction.The transition part of acute angle in the region may draw The inclination of rolling element 4 is played, this operation campaign that may cause drawer pull-out guide 100 is blocked or become difficult.In addition, Rolling element 4 is rounded by bevel edge in the transitional region between circumference side and end face 7,8 or is chamfered.It can also see It arrives, at least one described rolling element 4 has rolling axis RA, rolling axis horizontal extension in installation site.It was shown that institute At least one rolling element 5 is stated with rolling element width WB, which is substantially equal to operation face width LB.Thus roll Body 4 can not be moved along the axial direction of rolling axis RA and is maintained in its position by guide tab 5,6.Operation face Width is limited by the spacing of the guide tab 5,6 extended parallel to each other.At least one described rolling element has bearing wide Spend AB, which is preferably 0.6 to 0.99 times of rolling element width WB, particularly preferably the 0.08 of rolling element width to 0.95 times.Crimp, bevel edge or convex shoulder are thus generated between the circular side and its end face 7,8 of rolling element 4.It is described that these are curved Side, bevel edge or convex shoulder can energetically influence the running stability of rolling element 4.The height HF of guide tab 5,6 is at least extended to The 5% of the diameter DW of rolling element 4.Also highest extends to the 30% of diameter DW to height HF.It therefore ensures that and is adequately laterally guided And the frictional resistance in end side surface 7,8 is maintained as small.

Fig. 4 shows the retainer 11 for accommodating at least one rolling element 4.In addition, showing in the present embodiment, transport How row face 3 is made up of independent element.These independent elements are connect by fixation section 9 with track 1,2.? This, which is realized by bonding, riveting or the force closure of other forms or the sealed connection of material.Furthermore it is possible to simple Operation face 3 is installed in the recessed portion being arranged thus or protruding portion on track 1,2 by ground, forms form locking connection herein. Multiple operating elements 13,14,15,16 are shown in FIG. 4.These operating elements constitute operation face 3.Retainer 11 substantially has Two rows stacked on top of each other.Top row is provided at least one top rolling element 4, and lower part row is provided with the rolling of at least one lower part Body 4.Each rolling element 4 needs the operation face on a top and is also required to the operation face 3 of a lower part, and the operation faces It is made up of for top rolling element 4 operating element 13 on top and the operating element 14 at middle part.Lower part rolling element 4 is on it Intermediate operating element 15 is contacted on face and the operating element 16 of lower part is contacted on its downside.At least one top rolling Kinetoplast 4 absorbs the gravity of drawer 11 in the row of the top of retainer 11.If drawer pull-out guide 100 pulled out, locate Rolling element 4 in the row of the lower part of retainer 11 bears heeling moment, the heeling moment pass through the track 1,2 that is drawn out or by The drawer pull-out guide 100 of pull-out and the gravity of drawer 101 generate.During pulling out movement, via guide tab 5,6 Deviate in the direction for preventing rolling element 4 from rolling along axis RA.

One embodiment of drawer pull-out guide 100 is shown to Fig. 5 section view.Top operating element 13, middle part operation The position of element 14, intermediate operating element 15 and lower part operating element 16 is related with the arrangement of track 1,2.It can be seen that track 1, it 2 is configured to C-shaped and is mutually fitted into.Defined to be, it is real by different operating elements 13,14,15,16 that operation face 3 is based on it Existing construction and be made of the material different from least one track 1,2.Here, being for example able to use harder than track 1,2 Material.Ensure the longer service life of drawer pull-out guide 100 by the harder material.If using softer Material (such as plastics), then this can energetically be conducive to the running stability of drawer pull-out guide 100.It is substantially necessary The material property of operating element 13,14,15,16 is matched with to the material property of rolling element 4.Furthermore provide, it is described at least one Rolling element 4 has rolling axis RA, wherein being used only in the installation site of drawer pull-out guide 100 has substantially The rolling element 4 of horizontal rolling axis RA.Cancel rolling axis vertical as described in shown in Fig. 1 as the prior art RAv --- it must not be conducive to any interval roller, liptinite or supporter extended vertically of torsion rigidity.The distortion The formation of guide tab 5,6 that rigidity passes through operating element 13,14,15,16.It is furthermore possible to provide, at least one described guidance connects Piece 5,6 constructs one-piece together with operation face 3.

Fig. 6 shows the details A of Fig. 5.It can be seen that rolling element 4 is how to be located in it in operating element 13,14,15,16 On operation face 3 on.Operating element 13,14,15,16 is connected via fixation section 9 with track 1,2.It is contemplated that using Other track.It such as may also be to be completely pulled out formula drawer pull-out guide 100 intermediate orbit is arranged.Here, needing attached The rolling element 4 added and the additional operation face 3 with guide tab 5,6.

Fig. 7 show LR in a longitudinal direction it is movable, it is with drawer pull-out guide 100 according to the present invention, The drawer 101 being fixed in the Furniture Body 102 of furniture 103.

Reference signs list

1 track

2 tracks

3 operation faces

4 rolling elements

5 first guide tabs

6 second guide tabs

7 first end faces

8 second end faces

9 fixation sections

10 grooves

11 retainers

The operating element on 13 tops

The operating element at 14 middle parts

15 intermediate operating elements

The operating element of 16 lower parts

100 drawer pull-out guides

101 drawers

102 Furniture Bodies

103 furniture

RA rolling axis

WB rolling element width

AB supporting width

LB runs face width

HF height (guide tab)

DW rolling element diameter

LR longitudinal direction

Claims

1. drawer pull-out guide (100), the drawer pull-out guide include:

At least two tracks (1,2) movably supported relative to each other, wherein be arranged at least one track (1,2) There is the operation face (3) of longitudinal direction (LR) extension along the track (1,2),

Be arranged it is between each track (1,2), transmitting load at least one rolling element (4), the rolling element track (1, 2) it can be supported along operation face (3) movement ground in the case where relative motion,

It is characterized in that, the operation face (3) of the track (1,2) have in a longitudinal direction (LR) extend at least one first Guide tab (5) is laterally to guide at least one described rolling element (4).

2. drawer pull-out guide according to claim 1, which is characterized in that at least one rolling element (4) tool Have end face (7), the edge face structure is for laterally sticking on guide tab (5).

3. drawer pull-out guide according to claim 1 or 2, which is characterized in that be provided with the second guide tab (6), second guide tab is parallel to the first guide tab (5) extension, wherein at least one described rolling element (4) --- It is preferred that with sideshake --- it is guided between two guide tabs (5,6).

4. drawer pull-out guide according to claim 3, which is characterized in that the rolling element (4) has second end Face (8), the second end face are configured to laterally stick on the second guide tab (6).

5. drawer pull-out guide according to any one of claim 1 to 4, which is characterized in that the rolling element (4) With cylindrical outer peripheral surface.

6. drawer pull-out guide according to any one of claim 1 to 5, which is characterized in that it is described at least one Operation face (3) constructs one-piece together with track (1,2).

7. drawer pull-out guide according to any one of claim 1 to 5, which is characterized in that it is described at least one Operation face (3) has fixation section (9) to be fixed at least one track (1,2).

8. drawer pull-out guide according to any one of claim 1 to 7, which is characterized in that described at least one Guide tab (5,6) constructs one-piece together with operation face (3).

9. drawer pull-out guide according to claim 7 or 8, which is characterized in that at least one described operation face (3) It is made of the material different from least one guide rail (1,2).

10. drawer pull-out guide according to any one of claim 1 to 9, which is characterized in that it is described at least one Rolling element (4) has rolling axis (RA), wherein Jin Shiyong has in the installation site of drawer pull-out guide (100) The rolling element (4) of substantially horizontal rolling axis (RA).

11. drawer pull-out guide according to any one of claim 1 to 10, which is characterized in that described at least one A rolling element (4) has rolling element width (WB), and the rolling element width is substantially equal to operation face width (LB).

12. drawer pull-out guide according to claim 11, which is characterized in that at least one described rolling element (4) With cylindrical section, the section of the cylinder has supporting width (AB), and the supporting width is preferably entire to be rolled 0.6 to 0.99 times, particularly preferably 0.85 to 0.96 times of body width (WB).

13. drawer pull-out guide according to claim 11 or 12, which is characterized in that the guide tab (5,6) Height (HF) at least extend on the 5% of the diameter of rolling element (4) (DW).

14. drawer pull-out guide according to claim 13, which is characterized in that the height of the guide tab (5,6) Extend on the 30% of degree (HF) the up to diameter (DW) of rolling element (4).

15. according to claim 1 to drawer pull-out guide described in any one of 14, which is characterized in that with guide tab (5,6) extend in the transition part in parallel groove (10) between operation face (3) and guide tab (5,6).

16. drawer (101) has according to claim 1 to drawer pull-out guide (100) described in any one of 15.

17. furniture (103) has drawer according to claim 16 (101).