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CN104352095B - Three joints synchronize concealed slide track - Google Patents

Three joints synchronize concealed slide track Download PDF

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Publication number
CN104352095B
CN104352095B CN201410632027.2A CN201410632027A CN104352095B CN 104352095 B CN104352095 B CN 104352095B CN 201410632027 A CN201410632027 A CN 201410632027A CN 104352095 B CN104352095 B CN 104352095B
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China
Prior art keywords
rail
gear
active
tooth bar
roller
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CN201410632027.2A
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CN104352095A (en
Inventor
吴泰维
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GUANGDONG TAIMING METAL PRODUCTS CO Ltd
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GUANGDONG TAIMING METAL PRODUCTS CO Ltd
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Abstract

A kind of three joints synchronize concealed slide track, including active rail, middle rail, retaining rail and damping mechanism;It is characterized in that: between active rail and middle rail, be provided with the upper roller retainer of upper rack and band roller;Being provided with the bottom roller retainer of split type band roller between middle rail and retaining rail, its surface configuration has tooth bar;Being engaged with gear assembly between upper rack and bottom roller retainer, gear assembly is according to the size of active force, and control active rail is Tong Bu with middle rail or dislocation runs;Damping mechanism is assemblied in retaining rail.The A gear of gear assembly of the present invention and B gear use polygon post and polygonal hole to closely cooperate assembling, when active force is less than certain value, it is achieved run simultaneously;When active force is more than certain value, polygonal hole is magnified, and two gear slippings turn, and active rail separates operation with middle rail.Ensure that gear assembly coordinates in correct position with upper and lower tooth bar, thus slide rail can be continuing with again, makes rack and pinion be hardly damaged.

Description

Three joints synchronize concealed slide track
Technical field
The present invention relates to a kind of drawer sliding rail, synchronize concealed slide track particularly to a kind of three joints.
Background technology
Chinese patent literature CN2011201145550 disclosed a kind of slide-rail drawer, bag on 06 04th, 2008 Including drawer, slide rail and casing, each drawer uses two slide rails to be connected with casing, it is characterised in that: slide rail uses three joint slide rails, Three joint slide rails include rail, middle rail and bottom rail, and middle rail has two and installs supporting plane, i.e. top installation supporting plane and bottom Installing supporting plane, upper rail is sleeved on middle rail top and installs on supporting plane, and bottom rail is sleeved on bottom and installs on supporting plane, on Rail bottom arranges rail tooth bar pulley yoke, and bottom rail top arranges bottom rail tooth bar pulley yoke, upper rail tooth bar pulley yoke and bottom rail tooth bar A gear it is engaged with between pulley yoke;Positor is set at upper rail end, antivibrator is set at bottom rail end.This structure upper Rail and middle rail separate operation, gear and upper and lower tooth bar may deviation tram, while affect using effect, damage tooth bar with Gear.Therefore, it is necessary to make further improvements.
Summary of the invention
The purpose of the present invention aim to provide a kind of simple and reasonable, dependable performance, easy to operate, the three of length in service life Joint synchronizes concealed slide track, to overcome weak point of the prior art.
One three joint designed by this purpose synchronizes concealed slide track, including active rail, middle rail, retaining rail and damping mechanism; It is characterized in that: between active rail and middle rail, be provided with the upper roller retainer of upper rack and band roller;Middle rail and retaining rail it Between be provided with the bottom roller retainer of split type band roller, its surface configuration has tooth bar;Between upper rack and bottom roller retainer Being engaged with gear assembly, gear assembly is according to the size of active force, and control active rail is Tong Bu with middle rail or dislocation runs;Damping machine Structure is assemblied in retaining rail.
Described gear assembly is made up of A gear, B gear and tooth rest;A gear and B gear use polygon post with polygon Shape hole closely cooperates assembling, and when revolving force is more than certain value, the polygonal hole of B gear is magnified, and two gear slippings rotate, and work as rotation When turning power less than certain value, two gear synchronous rotate;Two pinion rotation are assemblied in tooth rest, and up and down toward overhanging.
Described tooth rest runs through the upper surface being fixed on middle rail, A gear and B gear and runs through up and down, wherein, under A gear Portion engages with the tooth bar on bottom roller retainer, and the top of B gear is engaged with upper rack;Two gears are all the time without departing from corresponding tooth Bar.
Described active rail inner top surface is equipped with upper rack;Upper rack side arranges some retaining mechanisms, including fixing post and Shell fragment, active rail side is correspondingly arranged pilot hole, and fixing post through pilot hole and buckles, against assembling under shell fragment tightening state Hole, it is achieved location;Described upper rack is integral type or split type.
Described upper roller retainer front and back end is respectively arranged with abnormity buffer substrate tablet, and buffer substrate tablet becomes with upper roller retainer one Type or split are assembled;The some through holes of upper roller retainer surface configuration are used for assembling roller;Roller exposes up and down, its top Leaning active rail inner top surface, bottom is against middle rail upper surface;Upper roller retainer both sides bend downwards, and bending end equipped with Ball.
Upper roller retainer is at least provided with two, and avoids upper rack setting, holds, on rule before and after being respectively placed in upper rack Reciprocate before and after in the range of Ding.
Bottom roller retainer is assemblied in middle rail, and it is by keeping side arm, lower tooth bar and keeping after-frame to be assembled, Qi Zhongbao Hold side arm and keep after-frame to hold before and after being assemblied in lower tooth bar respectively;Side arm and lower tooth bar surface configuration is kept to have tooth bar, mutually A coupling continuous print tooth bar is formed, itself and upper rack corresponding gear assembly respectively after assembling;Keep side arm and keep after-frame Face is respectively arranged with rail inwall during the roller in roller, upper surface and face, left and right contacts respectively up and down, and the roller of lower surface supports It is against in retaining rail.
Described active rail and middle rail are the tubular body of bottom surface opened;Wherein, active rail both-side opening limit uses secondary flanging Forming the bar shaped concave edge of band circular arc, middle rail two lateral buckling uses abnormity chimb to form the bar shaped protuberance of band circular arc;Active rail is nested On middle rail, the ball on upper roller retainer be placed in concave edge and protuberance between, and arc surface each other respectively with ball surface Coupling.
Described damping mechanism includes buffer and fixed mount;Buffer is fixed in retaining rail by fixed mount, and buffering is made Firmly act in active rail.
Slide rail is symmetricly set in both sides, cabinet chamber, and it realizes fixing by the pilot hole in retaining rail, and active rail is with drawer even Connect.
The present invention, by arranging gear assembly, makes active rail and middle rail when active force is less than certain value, it is achieved to synchronize fortune OK;When active force is more than certain value, separately run, it is ensured that gear coordinate with upper and lower tooth bar and can in correct position, thus Slide rail can be continuing with again, makes rack and pinion be hardly damaged.Gear assembly includes A gear and B gear, is respectively adopted polygon Shape post and polygonal hole closely cooperate assembling, and active force magnifies more than certain value, the polygonal hole of B gear, and two gear slippings turn Dynamic, active force is less than certain value, and two gear synchronous rotate, it is achieved effect.Bottom roller retainer is split type setting, easy disassembly With replacing.It has simple and reasonable, dependable performance, easy to operate, the feature of length in service life.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram of the present invention.
Fig. 2 is that the present invention assembles structural representation.
Fig. 3 is side-looking structural representation of the present invention.
Fig. 4 is A gear and the decomposition texture schematic diagram of B gear in the present invention.
Fig. 5 is A gear and the assembling structural representation of B gear in the present invention.
Fig. 6 is the perspective view of tooth rest of the present invention.
Fig. 7 is the isometric front view of active rail in the present invention.
Fig. 8 is the rear isometric view of active rail in the present invention.
Fig. 9 is the structure for amplifying schematic diagram in Fig. 8 at D.
Figure 10 is upper roller retainer perspective view in the present invention.
Figure 11 is the decomposition texture schematic diagram of upper roller retainer.
Figure 12 is the plan structure schematic diagram of upper roller retainer.
Figure 13 is the decomposition texture schematic diagram of bottom roller retainer in the present invention.
Figure 14 is the assembling structural representation of bottom roller retainer.
Figure 15 is the partial enlargement structural representation keeping side arm with lower tooth bar junction.
Figure 16 is the side-looking structural representation of active rail in the present invention.
Figure 17 is the structure for amplifying schematic diagram in Figure 16 at A.
Figure 18 is the side-looking structural representation of middle rail in the present invention.
Figure 19 is the structure for amplifying schematic diagram in Figure 18 at B.
Figure 20 is the assembling side elevation of active rail and middle rail.
Figure 21 is the structure for amplifying schematic diagram in Figure 20 at C.
Figure 22 is that present invention local uses state diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Seeing Fig. 1-3, this three joint synchronizes concealed slide track, including active rail 1, middle rail 2, retaining rail 3 and damping mechanism 4.Live The dynamic upper roller retainer 6 being provided with upper rack 5 and band roller between rail 1 and middle rail 2;It is provided with between middle rail 2 and retaining rail 3 The bottom roller retainer 7 of split type band roller, its surface configuration has tooth bar;It is engaged with between upper rack 5 and bottom roller retainer 7 Gear assembly 8, gear assembly 8 according to the size of active force, controls that active rail 1 is synchronize with middle rail 2 or the operation that misplaces;Active rail 1, Middle rail 2 and damping mechanism 4 are respectively assembled in retaining rail 3.This slide rail is symmetricly set in cabinet intracavity both sides, and it passes through retaining rail 3 On pilot hole 3.1 realize fixing, active rail 1 is connected with drawer.
Specifically, seeing Fig. 4-6, gear assembly 8 is made up of A gear 8.1, B gear 8.2 and tooth rest 8.3;A gear 8.1 use polygon post and polygonal hole to closely cooperate assembling, when the revolving force being subject to is more than certain value, B with B gear 8.2 The polygonal hole of gear 8.2 is magnified, and two gear slippings rotate, and when the revolving force being subject to is less than certain value, two gears are the most solid Fixed, therefore synchronous rotary;Rotate after two gear assemblings and be assemblied in tooth rest 8.3, and up and down toward overhanging.Tooth rest 8.3 is inserted Being located in the square hole that rail 2 upper surface is arranged, and run through square hole, by the fastener of tooth rest 8.3 both sides, gear assembly 8 is overall It is fixed on rail 2.A gear 8.1 and B gear about 8.2 runs through prominent, on the bottom of A gear 8.1 and bottom roller retainer 7 Tooth bar engagement, the top of B gear 8.2 is engaged with upper rack 5, all the time without departing from corresponding tooth bar in two gear runnings.
Seeing Fig. 7-9, active rail 1 inner top surface is equipped with upper rack 5;Upper rack 5 side protrudes some retaining mechanisms outward, Including fixing post 5.1 and shell fragment 5.2, fixing post 5.1 top is upheld outward, and shell fragment 5.2 is upspring outward, and active rail 1 side is corresponding Arranging pilot hole, the pilot hole of corresponding fixing post 5.1 is convex shape, and fixing post 5.1 passes from big, then toward narrow while moving Dynamic, complete snap close;The pilot hole of corresponding shell fragment 5.2 is square, and stretches into square pilot hole under shell fragment 5.2 tightening state, and against Its sidewall;Upper rack 5 is formed by connecting by two parts.
Seeing Figure 10-12, upper roller retainer 6 front and back end is respectively arranged with abnormity buffer substrate tablet 6.1, and buffer substrate tablet 6.1 is with upper Roller retainer 6 is formed in one, and has reliable cushioning effect during shock, and effectively protection upper roller retainer 6, eliminates because hitting Hit noise and the vibration of generation.Four through holes of upper roller retainer 6 surface configuration, through hole left and right sides is coaxially disposed salient point, is used for Assembling roller c, it is ensured that roller c does not deviates from and can be freely rotatable;Roller c exposes up and down, and its top leans active rail 1 inner top surface, Bottom is against middle rail 2 upper surface;Upper roller retainer 6 both sides bend downwards, and the end of every lateral buckling is equipped with three ball a, Ball a is the baton round of 4mm, and its guarantee is not deviate from and can freely roll.Upper roller retainer 6 arranges two, and avoids tooth Bar 5 is arranged, and holds, front and back reciprocate in prescribed limit before and after being respectively placed in upper rack 5.
Seeing Figure 13-15, bottom roller retainer 7 is assemblied in middle rail 2, and it is by keeping side arm 7.1, lower tooth bar 7.2 and protecting Hold after-frame 7.3 to be assembled, wherein keep side arm 7.1 and keep after-frame 7.3 to hold before and after being assemblied in lower tooth bar 7.2 respectively.Under Tooth bar 7.2 front and back end is protruding with upper square column 7.21 and the side square column 7.23 of band bullet block 7.22 of band button bit respectively;Before holding The installation opening of frame 7.1 and holding after-frame 7.3 is respectively arranged with upper aperture 7.11 and hole, side 7.13, wherein goes up square column 7.21 and inserts Entering the interior also snap close of upper aperture 7.11, side square column 7.23 is inserted in hole, side 7.13, and bullet block 7.22 springs into and sets on hole, side 7.13 The square hole put, coordinates each other, it is achieved connect.Connected mode as keeping after-frame 7.3 to use with lower tooth bar 7.2.Keep Side arm 7.1 and lower tooth bar 7.2 surface configuration have tooth bar, form mutually a coupling continuous print tooth bar, itself and upper rack 5 after assembling Corresponding gear assembly 9 respectively, wherein, A gear 8.1 is engaged in the tooth bar keeping side arm 7.1 and lower tooth bar 7.2 to be assembled to form, B tooth Wheel 8.2 is engaged in upper rack 5, makes upper rack 5 synchronize with bottom roller retainer 7 or the operation that misplaces;After keeping side arm 7.1 and keeping The face up and down of frame 7.3 is respectively arranged with during the roller in roller d and roller d ', upper surface and face, left and right contacts respectively in rail 2 Wall, the roller of lower surface is resisted against in retaining rail 3.
Seeing Figure 16-21, active rail 1 and middle rail 2 is the tubular body of bottom surface opened;Wherein, active rail 1 both-side opening limit is adopted Form the bar shaped concave edge 1.1 of band circular arc with secondary flanging, the bar shaped that 2 liang of lateral bucklings of middle rail use special-shaped chimb to form band circular arc is grand Play 2.1;Active rail 1 is nested on middle rail 2, and the ball a on upper roller retainer 6 is placed between concave edge 1.1 and protuberance 2.1, and Arc surface each other respectively with ball a surface matching.
Damping mechanism 4 includes buffer 4.1 and fixed mount 4.2;Buffer 4.1 is fixed on retaining rail 3 by fixed mount 4.2 On, cushioning effect power acts in active rail 1.
Seeing Figure 22, during drawer Guan Bi, active rail 1, middle rail 2 and retaining rail about 3 are overlapping, when extracting drawer out, and active rail 1 Promoted or pulled, now in gear assembly 8 fortune the most synchronize with active rail 1 under the effect of upper and lower tooth bar and middle rail 2 OK.When by external force, and this power is more than certain value, the just dislocation of gear and upper and lower tooth bar, now, only need to continue to draw active rail 1, move head to active rail 1, when the most entirely pulling out, Double-gear structure can rotate against, it is ensured that gear assembly 8 coordinates with upper and lower tooth bar Again can be in correct position.Thus three joint synchronous effect and function, the tooth bars that slide rail can be continuing with again, gear is all difficult to Damage.
The above-mentioned preferred version for the present invention, those of ordinary skill in the art, to its simple modification or transformation, all fall within Within protection scope of the present invention.

Claims (7)

1. three joints synchronize a concealed slide track, including active rail (1), middle rail (2), retaining rail (3) and damping mechanism (4);Movable The upper roller retainer (6) of upper rack (5) and band roller it is provided with between rail (1) and middle rail (2);Middle rail (2) and retaining rail (3) Between be provided with the bottom roller retainer (7) of split type band roller, its surface configuration has tooth bar;Upper rack (5) is protected with bottom roller Holding and be engaged with gear assembly (8) between frame (7), gear assembly (8), according to the size of active force, controls active rail (1) and middle rail (2) synchronize or misplace operation;Damping mechanism (4) is assemblied in retaining rail (3);
It is characterized in that: described gear assembly (8) is made up of A gear (8.1), B gear (8.2) and tooth rest (8.3);A gear (8.1) closely cooperate assembling, when revolving force is more than certain value, B tooth with B gear (8.2) employing polygon post and polygonal hole The polygonal hole of wheel (8.2) is magnified, and two gear slippings rotate, and when revolving force is less than certain value, two gear synchronous rotate;Two teeth Wheel rotation is assemblied in tooth rest (8.3), and up and down toward overhanging;
Described tooth rest (8.3) runs through the upper surface being fixed on middle rail (2), A gear (8.1) and B gear (8.2) and runs through up and down, Wherein, the bottom of A gear (8.1) is engaged with the tooth bar on bottom roller retainer (7), the top of B gear (8.2) and upper rack (5) engagement;Two gears are all the time without departing from corresponding tooth bar;
Described active rail (1) inner top surface dismountable is equipped with upper rack (5);Upper rack (5) side arranges some retaining mechanisms, bag Including fixing post (5.1) and shell fragment (5.2), active rail (1) side is correspondingly arranged pilot hole, and fixing post (5.1) is through pilot hole also Buckle, against pilot hole under shell fragment (5.2) tightening state, it is achieved location;Described upper rack (5) is integral type or split type.
Three joints the most according to claim 1 synchronize concealed slide track, it is characterised in that: before and after described upper roller retainer (6) End is respectively arranged with abnormity buffer substrate tablet (6.1), buffer substrate tablet (6.1) and upper roller retainer (6) be one-body molded or split assembling and Become;The some through holes of upper roller retainer (6) surface configuration are used for assembling roller (c);Roller (c) exposes up and down, and its top leans Active rail (1) inner top surface, bottom is against middle rail (2) upper surface;Upper roller retainer (6) both sides bend downwards, and the end of bending Portion is equipped with ball (a).
Three joints the most according to claim 2 synchronize concealed slide track, it is characterised in that: described upper roller retainer (6) is at least Arrange two, and avoid upper rack (5) setting, hold before and after being respectively placed in upper rack (5), front and back come and go in prescribed limit and move Dynamic.
Three joints the most according to claim 1 synchronize concealed slide track, it is characterised in that described: described bottom roller retainer (7) Being assemblied in middle rail (2), it, by keeping side arm (7.1), lower tooth bar (7.2) and keeping after-frame (7.3) to be assembled, wherein keeps Side arm (7.1) and holding after-frame (7.3) are held before and after being assemblied in lower tooth bar (7.2) respectively;Keep side arm (7.1) and lower tooth bar (7.2) surface configuration has tooth bar, forms mutually a coupling continuous print tooth bar after assembling, itself and upper rack (5) corresponding teeth respectively Wheel assembly (8);Keep side arm (7.1) and keep the face up and down of after-frame (7.2) to be respectively arranged with roller, upper surface and left and right The roller in face contact respectively in rail (2) inwall, the roller of lower surface is resisted against in retaining rail (3).
Three joints the most according to claim 1 synchronize concealed slide track, it is characterised in that: described active rail (1) and middle rail (2) are The tubular body of bottom surface opened;Wherein, active rail (1) both-side opening limit uses secondary flanging to form the bar shaped concave edge of band circular arc (1.1), middle rail (2) two lateral buckling uses abnormity chimb to form bar shaped protuberance (2.1) of band circular arc;During active rail (1) is nested in On rail (2), the ball (a) on upper roller retainer (6) is placed between concave edge (1.1) and protuberance (2.1), and arc surface each other Respectively with ball (a) surface matching.
Three joints the most according to claim 1 synchronize concealed slide track, it is characterised in that: described damping mechanism (4) includes buffering Device (4.1) and fixed mount (4.2);Buffer (4.1) is fixed in retaining rail (3) by fixed mount (4.2), cushioning effect masterpiece For active rail (1).
7. synchronize concealed slide track according to three joints described in any one of claim 1-6, it is characterised in that: slide rail is symmetricly set in cabinet Both sides, chamber, it realizes fixing by the pilot hole (3.1) in retaining rail (3), and active rail (1) is connected with drawer.
CN201410632027.2A 2014-11-10 2014-11-10 Three joints synchronize concealed slide track Active CN104352095B (en)

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EP3769646A1 (en) * 2019-07-25 2021-01-27 Foshan Aodeli Metal Products Co., Ltd. Three-section linkage drawer slides apparatus

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CN105266427A (en) * 2015-10-20 2016-01-27 黄云 Novel three-section hidden synchronous guide rail
TWI536933B (en) * 2015-11-12 2016-06-11 川湖科技股份有限公司 Slide rail assembly
CN106820687B (en) * 2015-12-03 2018-11-06 川湖科技股份有限公司 Sliding rail assembly
KR102646324B1 (en) * 2016-09-09 2024-03-08 김종원 Pull-out guide for furniture drawers
CN106724193A (en) * 2016-11-29 2017-05-31 广东泰明金属制品有限公司 Three section synchronous sliding tracks
CN106724189B (en) * 2017-01-23 2022-06-10 无锡海达尔精密滑轨股份有限公司 Three-section type synchronous drawer slide rail
CN107100975B (en) * 2017-05-08 2020-04-21 东莞市博锐特五金塑胶制品有限公司 A vertical transmission gear mechanism for sliding rails
CN107007049A (en) * 2017-05-24 2017-08-04 李绍汉 Synchronous drawer guide rail
CN108703557A (en) * 2018-05-24 2018-10-26 何宇成 The synchronous concealed slide track of three sections
KR20210007644A (en) * 2019-07-12 2021-01-20 엘지전자 주식회사 refrigerator
CN110367713B (en) * 2019-08-26 2024-11-05 广东泰明金属制品有限公司 Three-section synchronous slide rail and drawer
CN110802549B (en) * 2019-10-22 2021-08-17 海宁金茂五金有限公司 Impact-resistant anti-rebound sliding rail capable of being rapidly disassembled and assembled
CN112167860A (en) * 2020-10-10 2021-01-05 无锡海达尔精密滑轨股份有限公司 Long stroke synchronous rail
CN113229649A (en) * 2021-05-19 2021-08-10 广东库博精密科技有限公司 Double-rack synchronous guide rail with elastic support

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