CN104323610A - Slide rail mechanism - Google Patents
Slide rail mechanism Download PDFInfo
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- CN104323610A CN104323610A CN201410372573.7A CN201410372573A CN104323610A CN 104323610 A CN104323610 A CN 104323610A CN 201410372573 A CN201410372573 A CN 201410372573A CN 104323610 A CN104323610 A CN 104323610A
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- rail
- steering part
- slide track
- track component
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Abstract
The invention provides a slide rail mechanism. The slide rail mechanism comprises first slide rail assemblies and second slide rail assemblies which are arranged oppositely, and a synchronizing mechanism, wherein each slide rail assembly comprises an upper rail, a middle rail and a lower rail which are in sliding fit with one another; the synchronizing mechanism is used for driving the first slide rail assemblies and the second slide rail assemblies to keep moving synchronously; the synchronizing mechanism comprises steering parts, fixing parts and tensioning parts arranged on the two groups of slide rail assemblies; the tensioning parts are wound between the fixing parts of the two groups of slide rail assemblies through the steering parts; the fixing parts comprise upper fixing parts arranged on the two upper rails respectively and lower fixing parts on at least one lower rail; in the opening and closing processes and the opening or closing process of the slide rail assemblies, the upper fixing parts are always positioned between the back ends of the upper rails and the front ends of the middle rails, and the lower fixing parts are always positioned between the front ends of the lower rails and the back ends of the middle rails; during movement of the upper rails or the middle rails of the first slide rail assemblies, the tensioning parts are used for driving the upper rails or the middle rails of the second slide rail assemblies to move towards the same direction by the same distance through the fixing parts.
Description
Technical field
The present invention relates to a kind of sliding track mechanism, particularly relate to a kind of synchronous, quiet sliding track mechanism.
Background technology
At present, mainly there are the following problems in actual applications for three joint slide rails on market: first, produce noise in use procedure: existing three joint slide rails, in employing, rail first runs, when upper rail range ability culminates, in employing, the stopping means contact-impact of rail and middle rail, pulls out middle rail; The stopping means contact-impact of rail and lower rail in same employing, reaches the trailed distance of middle rail and arrives limit; And stopping means produces the noise of " pedal, pedal " in upper rail and middle rail, middle rail and lower rail contact impact, bring high frequency noise to user.Secondly, produce double swerve in use procedure: existing three joint slide rails in actual applications more adopts paired mode, and adopts the method for operation of foregoing description, and the transmission simultaneously between three joint slide rails adopts some steel balls as carriage between each rail; Therefore, three joint slide rails can not pin each other, and reduction space is reserved in front and back, causes in actual use, and active force during pull-out and the direction of power must on two slide rail center lines; Otherwise there will be tandem sight by the device surface of a pair three joint slide rails pull-out, and after pull-out optional position, when both hands use both sides amount of force different, the phenomenon rolled can be produced, bring potential safety hazard to user.
In order to overcome the above problems, market there is the sliding track mechanism improved: (1) does connecting rod fixing hole mechanism at the faying surface place of a wherein rail of a pair three joint slide rails, and a pair slide rail is fixed by centre connecting rod indirectly simultaneously, thus weaken and roll.(2) the symmetrical gear add a pair symmetrical rack in the bottom surface of lower rail of a pair three joint slide rails, mating for a pair with tooth bar, gear centre reserves tie rod holes fixture, is indirectly fixed by lower rail with a connecting rod simultaneously, thus weakens and roll.
The mechanism that above-mentioned two kinds of solutions are rolled, connecting rod is all adopted to fix a wherein rail mode in three joint slide rails, because connecting rod may run-off the straight between two slide rails, therefore still can not effect a radical cure the pull-out of symmetrical slide rail apart from equal, thus the double swerve of object on a pair three joint slide rails can not be effected a radical cure.In actual applications, the first mechanism is relatively simple but effect is bad, before and after the joint slide rail of left and right three, reserved reduction space is reduced less, still there is more obvious double swerve, and adopt connecting rod mode to have certain restriction to needing the object structures of sliding above, need to avoid connecting rod, there is the shock sound having " pedaling " when three joint slide rails run simultaneously.The second structure relative complex and cost is high, but adopt tooth bar, gear and linkage, there is very large restriction to needing the object structures of sliding above and reduce the useful space using object between slide rail, there is the sound of " pedaling " simultaneously.
In view of this, be necessary to be improved existing slide track component, to solve the problem.
Summary of the invention
The object of the present invention is to provide a kind of synchronous, quiet sliding track mechanism.
For achieving the above object, the invention provides a kind of sliding track mechanism, pull out in casing for drawer or advance, comprise the first slide track component and the second slide track component that are oppositely arranged, each slide track component has the upper rail be mutually slidably matched, middle rail and lower rail, it is characterized in that: described sliding track mechanism also comprises and makes the first slide track component and the second slide track component keep synchronization-moving lazy-tongs, lazy-tongs comprise the tumbler being located at two groups of slide track components, fixture and tensioner, described tensioner is wound between the fixture of two slide track components by tumbler, described fixture comprises is located at the upper fixing element on two upper rails and the lower fixture at least one lower rail respectively, open at described slide track component, in the process of closing and open or close, fixed all the time on described between rail rear end to middle rail front end, described lower fixture is all the time between described lower rail front end to middle rail rear end, when the upper rail of the first slide track component or middle rail move, described tensioner drives upper rail or the middle rail displacement same distance in the same way of the second slide track component by fixture.
As a further improvement on the present invention, fixed distance apart from upper rail rear end be described upper rail and middle rail when opening completely described upper rail rear end to the half of the distance of middle rail front end; Described lower fixture apart from the distance of lower rail front end be described lower rail and middle rail open completely time described lower rail rear end to the half of the distance of middle rail front end.
As a further improvement on the present invention, described fixture comprises and is located at the first upper fixing element on the first slide track component and first time fixture, the second upper fixing element be located on the second slide track component; Described tumbler comprises the first front steering part and the first rear steering part, the second front steering part being located at the second slide track component and the second rear steering part of being located at the first slide track component; Described tensioner comprises through the first front steering part and connects the first tensioner of first time fixture and the first upper fixing element, connect the second tensioner of the first upper fixing element and the second upper fixing element through the first rear steering part, the second rear steering part and the second front steering part successively, be connected the 3rd tensioner of the second upper fixing element and first time fixture through the second rear steering part with the first rear steering part successively.
As a further improvement on the present invention, the starting point of described tensioner is fixed on first time fixture, and terminal is fixed on successively and has on the lower rail of first time fixture after the first front steering part, the first upper fixing element, the first rear steering part, the second rear steering part, the second front steering part, the second upper fixing element, the second rear steering part and the first rear steering part.
As a further improvement on the present invention, described tumbler comprises the front steering part and rear steering part that are individually fixed in rail front and back end in each, described front steering part is set to described tensioner after front steering part, is divided into upper strata tensioner and lower floor's tensioner, described rear steering part comprises the upper tumbler and lower tumbler that match with lower floor tensioner with described upper strata tensioner respectively, described upper strata tensioner, lower floor's tensioner is through the upper tumbler of a wherein slide track component, the lower tumbler to being fixed on another slide track component and upper tumbler is extended respectively after lower tumbler.
As a further improvement on the present invention, described upper strata tensioner and described lower floor tensioner are all parallel to described middle rail.
As a further improvement on the present invention, described fixture comprises two upper fixing elements being located at two upper rails, be located at two lower fixtures of two lower rails, described tumbler comprises the front steering part and rear steering part that are individually fixed in rail front and back end in each, described tensioner comprises the front steering part through a slide track component and connects and is positioned at tensioner before the upper fixing element of same slide track component and lower fixture, tensioner through two rear steering parts and after connecting first of the upper fixing element of the first slide track component and the lower fixture of the second slide track component, and tensioner through two rear steering parts and after connecting second of the lower fixture of the first slide track component and the upper fixing element of the second slide track component.
As a further improvement on the present invention, described fixture comprises and is located at the first upper fixing element on the first slide track component and first time fixture, is located at the second upper fixing element on the second slide track component and second time fixture; Described tumbler comprises the first front steering part and the first rear steering part, the second front steering part being located at the second slide track component and the second rear steering part of being located at the first slide track component; Described tensioner is made up of two tensioner, wherein the starting point of a tensioner is fixed on first time fixture, and terminal is fixed on the lower rail of the second slide track component successively after the first front steering part, the first upper fixing element, the first rear steering part, the second rear steering part; The starting point of another root tensioner is fixed on second time fixture, and terminal is fixed on the lower rail of the first slide track component successively after the second front steering part, the second upper fixing element, the second rear steering part, the first rear steering part.
The invention has the beneficial effects as follows: sliding track mechanism of the present invention, lazy-tongs are formed by tumbler, fixture and tensioner, tensioner is wound between the fixture of two slide track components by tumbler, when the upper rail of the first slide track component or middle rail are moved, described tensioner drives upper rail or the middle rail displacement same distance in the same way of the second slide track component by fixture, realize the synchronizing moving of two groups of slide track components, to avoid in draw process the deflection that causes because of firmly uneven or wave phenomenon; And drawer can be locked in the optional position in draw process, in whole process, muting function is good.
Accompanying drawing explanation
Fig. 1 is the structural representation that sliding track mechanism of the present invention is in closed condition.
Fig. 2 is the decomposed figure of Fig. 1.
Fig. 3 is the structural representation that the sliding track mechanism of Fig. 1 is in open mode.
Fig. 4 is the structural representation of lazy-tongs of the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the drawings and specific embodiments.
Refer to shown in Fig. 1 to Fig. 4, the invention provides a kind of sliding track mechanism 100 pulling out in casing for drawer (not shown) or advance, comprise be oppositely arranged two groups of slide track components 1, make two groups of slide track components 1 keep synchronization-moving lazy-tongs 2.Certain described sliding track mechanism 100 also may be used for the pull of other structures, expansion or contraction.
Described slide track component 1 comprises the first slide track component 11a and the second slide track component 11b, each slide track component 1 has the upper rail 111, middle rail 112 and the lower rail 113 that are mutually slidably matched, namely the first slide track component 11a have cooperatively interact first in rail 111a, first rail 112a and first time rail 113a, described second slide track component 11b have cooperatively interact second on rail 112b and second time rail 113b in rail 111b, second.Described lower rail 113 is fixed on casing by angle bar, and described upper rail 111 fixes with drawer, and described middle rail 112 is equipped with between described upper rail 111 and lower rail 113.During use, described lower rail 113 maintains static, and described middle rail 112 can pull out or advance by relative lower rail 113 with upper rail 111, and then drives drawer pulls out or advances in described casing; Described lower rail 113 is orbit determination, and described middle rail 112 and upper rail 111 are dynamic rail.
Described slide track component 1 also comprises to be located at upper townhouse ball 114 between described upper rail 111 and described middle rail 112, to be located at lower townhouse ball 115 between described middle rail 112 and described lower rail 113, friction can be reduced in the process that upper rail 111 or middle rail 112 descend rail 113 to pull out or advance relatively, laborsaving.Described upper rail 111 is respectively arranged with towards upper groove 1111, the low groove 1131 of middle rail 112 opening with lower rail 113; Described upper townhouse ball 114 and lower townhouse ball 115 are individually fixed in the upper side and lower side of middle rail 112, and are contained in respectively in described upper groove 1111 and low groove 1131.Further, described upper townhouse ball 114 comprises the matrix be fastened on the upside of middle rail 112 and the some balls be located on matrix, and described lower townhouse ball 115 comprises the matrix be fastened on the downside of middle rail 112 and the some balls be located on matrix.
Described lazy-tongs 2 comprise tumbler 21, fixture 22, tensioner 23 and the tensioning sleeve 24 of being located at two groups of slide track components 1.Described tensioner 23 be wound around successively by tumbler 21 be arranged at (being wound on) two slide track components 1 some fixtures 22 between and connect some fixtures 22, when the upper rail 111 of the first slide track component 11a or middle rail 112 are moved, described tensioner 23 drives upper rail 111 or the middle rail 112 displacement same distance in the same way of the second slide track component 11b by fixture 22, realize the synchronizing moving of two groups of slide track components 1, to avoid in draw process the deflection that causes because of firmly uneven or wave phenomenon; And drawer can be locked in the optional position in draw process, in whole process, muting function is good.
Described tumbler 21 comprises the front steering part 211 and rear steering part 212 of being located at rail 112 front and back end in each respectively, described front steering part 211 comprises is located at the first slide track component 11a, the first front steering part 211a of the second slide track component 11b and the second front steering part 211b respectively, and described rear steering part 212 comprises is located at the first slide track component 11a, the first rear steering part 212a of the second slide track component 11b and the second rear steering part 212b respectively.
Described front steering part 211 is set to described tensioner 23 after front steering part 211, is divided into upper strata tensioner 231 and lower floor's tensioner 232, described rear steering part 212 comprises the upper tumbler 2121 and lower tumbler 2122 that match with lower floor tensioner 232 with described upper strata tensioner 231 respectively, described upper strata tensioner 231, lower floor's tensioner 232 is through the upper tumbler 2121 of a wherein slide track component 1, the lower tumbler 2122 to being fixed on another slide track component 1 and upper tumbler 2121 is extended respectively after lower tumbler 2122, the upper rail 111 and lower rail 113 that lay respectively at two groups of slide track components 1 is connected in the mode of intersecting.
Described front steering part 211 is the pulley of wheel disc in vertical installation walked around for tensioner 23, described upper tumbler 2121 and lower tumbler 2122 are the wheel disc supplying tensioner 23 to walk around is the pulley that level is installed, described tensioner 23 is walked around described front steering part 211 and is arrived the extreme higher position of wheel disc and described tensioner 23 and be located along the same line the position of tumbler 2121 on described, makes described upper strata tensioner 231 be parallel to described middle rail 112; Described tensioner 23 walk around described front steering part 211 extreme lower position arriving wheel disc and the position being arranged in described lower tumbler 2122 be positioned at be parallel to rail 112 straight line on, be parallel to described middle rail 112 to make described lower floor tensioner 232; Thus make described sliding track mechanism 100 run smooth and easy.
Described fixture 22 comprises two upper fixing elements 221 be located at respectively on two upper rails 111 and at least one the lower fixture 222 be located at least one lower rail 113.
In the process that described slide track component 1 is opened, closes and opened or closed, fixed 221 all the time on described between rail 111 rear end to middle rail 112 front end, described lower fixture 222 is all the time between described lower rail 113 front end to middle rail 112 rear end, mutually depart to avoid three joint slide rails, reduce the wearing and tearing of tensioner 23 at tumbler 21 and fixture 22 place, increase the service life, do not affect the effective length that drawer can be pulled out casing by described sliding track mechanism 100 simultaneously.
When slide track component 1 is opened completely, the rear portion of described upper rail 111 and the front portion of described middle rail 112 overlap, simultaneously the rear portion of described middle rail 112 and the front portion of described lower rail 113 overlap, and to strengthen the stability of slide track component 1 when open mode, prevent drawer from rocking.Preferably, fixed 221 distance apart from upper rail 111 rear end be described upper rail 111 when opening completely with middle rail 112 described upper rail 111 rear end to the half of the distance of middle rail 112 front end; Described lower fixture 222 apart from the distance of lower rail 113 front end be described lower rail 113 open completely with middle rail 112 time described lower rail 113 rear end to the half of the distance of middle rail 112 front end, avoid affecting the effective length that drawer can be pulled out casing by described sliding track mechanism 100, and described tumbler 21 can be avoided to collide with fixture 22 or rub, increase the service life.When slide track component 1 is opened completely, suppose that upper rail 111 rear end is L to the distance of middle rail 112 front end, then upper fixing element 221 is L/2 apart from the distance of upper rail 111 rear end; Middle rail 112 rear end is M to the distance of lower rail 113 front end, and lower fixture 222 is M/2 apart from the distance of lower rail 113 front end.
Described tensioner 23 to be wound between the fixture 22 of two slide track components 1 by front steering part 211 and rear steering part 212 and to form loop, and namely described tensioner 23 to be changed direction with rear steering part 212 by front steering part 211 thus is connected fixed 221 and lower fixture 222.In the present invention, form loop and refer to: described tensioner 23 to be positioned on front side of same fixture 22 and two parts of rear side by this fixture 22 compact siro spinning technology, without breakpoint; Or two end points of described tensioner 23 are fixed on and are same as on slide rail, along on the direction of this slide rail between two end points without tumbler 21.
Starting point when described tensioner 23 extends on loop and terminal be positioned at slide track component 1 same on rail 111 or with on once rail 112.When described tensioner 23 is one, the starting point of described tensioner 23 and terminal be positioned at slide track component 1 same upper rail 111 or with on once rail 112, and be fixed on same position by a fixture 22 or multiple fixture 22 is fixed on different positions.When described tensioner 23 is at least two tensioner 23, the starting point of adjacent two tensioner 23 and terminal be positioned at slide track component same upper rail 111 or with on once rail 112.For two tensioner 23, wherein the starting point of a tensioner 23 and the terminal of another root tensioner 23 are positioned on same upper rail 111 or same rail 112 once; And the starting point of the terminal of this root tensioner 23 and another root tensioner 23 is positioned on same upper rail 111 or same rail 112 once.
In the present embodiment, fixed 221 has fixing point tensioner 23 being fixed on upper rail 111, thus described upper strata tensioner 231 is same tensioner, conveniently installs and simplifies installation procedure.Described lower fixture 222 has two fixing points tensioner 23 being fixed on lower rail 113 to be fixed in two end points of two sections of tensioner 23 before and after lower fixture 222 or same tensioner 23.Comprise the upper holding firmware 2211 be fastened on described upper rail 111 and the capstan nut 2212 matched with upper holding firmware 2211 for fixed 221, be fixed in the hole that described upper strata tensioner 231 is through at described capstan nut 2212.Described lower fixture 222 comprises the lower holding firmware 2221 be fastened on described lower rail 113 and the snap collar 2222 be located on described lower holding firmware 2221, described lower floor tensioner 232 is provided with the buckle cover (non-label) be clasped mutually with described snap collar 2222, described lower floor tensioner 232 to be fixed.The hole of capstan nut 2212 and described upper tumbler 2121 are arranged in and are parallel on the same straight line of rail 112, the snap collar 2222 cooperatively interacted and described buckle overlaps to be arranged in described lower tumbler 2122 and are parallel on the same straight line of rail 112, therefore described tensioner 23 after fixed 221 is fixed with lower fixture 222 still be fixed before on the same same straight line remaining parallel to described middle rail 112.
When described fixture 22 comprises the first upper fixing element 221a and the first time fixture 222a be located on the first slide track component 11a, when being located at the second upper fixing element 221b on the second slide track component 11b, described tensioner 23 is by the first upper fixing element 221a, these three fixtures 22 of first time fixture 222a and the second upper fixing element 221b are divided into three sections: connect first tensioner of first time fixture 222a and the first upper fixing element 221a through the first front steering part 211a, successively through the first rear steering part 212a, second rear steering part 212b and the second front steering part 211b also connects second tensioner of the first upper fixing element 221a and the second upper fixing element 221b, the 3rd tensioner of the second upper fixing element 221b and first time fixture 222a is connected with the first rear steering part 212a successively through the second rear steering part 212b.Described first tensioner, the second tensioner are connected each other by fixture 22 with the 3rd tensioner, form a closed loop.
Certainly, described first tensioner, the second tensioner and the 3rd tensioner can be made up of a tensioner 23, two tensioner 23 or three tensioner 23.In order to simplify assembling procedure, reduce costs, a tensioner 23 is adopted in the present embodiment, the starting point of described tensioner 23 is fixed on first time fixture 222a, terminal is fixed on successively and has on the lower rail 113 of first time fixture 222a, to form a loop with starting point after the first front steering part 211a, the first upper fixing element 221a, the first rear steering part 212a, the second rear steering part 212b, the second front steering part 211b, the second upper fixing element 221b, the second rear steering part 212b and the first rear steering part 212a.The terminal of described tensioner 23 and starting point are equipped with buckle and overlap and be fixed on first time rail 113a by same lower fixture 222, or the terminal of described tensioner 23 is fixed on other positions different from starting point on first time rail 113a.Be different from the present embodiment, the starting point of described tensioner 23 and terminal also can be fixed on first on rail 111a or second on rail 111b, and its canoe is identical with above-mentioned canoe.
When pull drawer, when rail 112a pulls out distance a in rail 111a relative first on first, be positioned at upper strata tensioner 231 on the first slide track component 11a by the first front steering part 211a to the lower floor's tensioner 232 transmission distance a be positioned on the first slide track component 11a; Because the distance between the first front steering part 211a and the first rear steering part 212a is fixing, therefore, when the upper strata tensioner 231 being positioned at the first slide track component 11a moves, the connected lower floor's tensioner 232 be positioned on the second slide track component 11b just can compensate transmission distance a to the upper strata tensioner 231 being positioned at the first slide track component 11a; Distance simultaneously between the second front steering part 211b and the second rear steering part 212b is fixing, then now be positioned at the upper strata tensioner 231 of the second slide track component 11b to the lower floor's tensioner 232 transmission distance a being positioned at the second slide track component 11b, and then pull the second upper fixing element 221b by the upper strata tensioner 231 being arranged in the second slide track component 11b and impel the relative second rail 112b of rail 111b on second to pull out forward distance a; Be positioned at lower floor's tensioner 232 of the first slide track component 11a to the upper strata tensioner 231 transmission distance a being positioned at the second slide track component 11b simultaneously, now, because first time fixture 222a maintains static, therefore rail 112a pulls out distance a forward relative to first time rail 113a in first, in like manner, rail 112b pulls out distance a forward relative to second time rail 113b in second.First slide track component 11a and the second slide track component 11b synchronously pulls out, and drawer pull-out coverage is upper rail 111 relative to the pull-out distance a of middle rail 112 and the middle rail 112 pull-out distance a sum relative to lower rail, and namely effective pull-out of drawer is apart from being 2a.
In like manner, when on second, in rail 111b relative second, rail 112b pulls out distance a, also to drive on first in rail 111a, first rail 112b in rail 112a and second to pull out distance a, the coverage that drawer pulls out is 2a.
When the number of described fixture 22 is 4, comprise the second upper fixing element 221b and second time fixture 222b of the first upper fixing element 221a and first time fixture 222a of upper the rail 111 and lower rail 113 being located at the first slide track component 11a respectively, the upper rail 111 being located at the second slide track component 11b respectively and lower rail 113.Described tensioner 23 is by the first upper fixing element 221a, first time fixture 222a, these four fixtures 22 of second upper fixing element 221b and second time fixture 222b are divided into four sections: tensioner before the first front steering part 211a connects first of the first upper fixing element 221a and first time fixture 222a, tensioner before the second front steering part 211b connects second of the second upper fixing element 221b and second time fixture 222b, tensioner through two rear steering parts 212 and after connecting first of the upper fixing element 221 of the first slide track component 11a and the lower fixture 222 of the second slide track component 11b, tensioner through two rear steering parts 212 and after connecting second of the lower fixture 222 of the first slide track component 11a and the upper fixing element 221 of the second slide track component 11b.
Before described first, after tensioner, first, before tensioner, second, tensioner and the second rear tensioner can be made up of a tensioner 23, two tensioner 23, three tensioner 23 or four tensioner 23.When employing two tensioner 23, in drawer draw process, the stress point dispersion of tensioner 23, long service life.Wherein the starting point of a tensioner 23 is fixed on first time fixture 222a, and terminal is fixed on the lower rail 113 of the second slide track component 11b successively after the first front steering part 211a, the first upper fixing element 221a, the first rear steering part 212a, the second rear steering part 212b; The starting point of another root tensioner 23 is fixed on second time fixture 222b, and terminal is fixed on the lower rail 113 of the first slide track component 11a successively after the second front steering part 211b, the second upper fixing element 221b, the second rear steering part 212b, the first rear steering part 212a.Certainly, two tensionings, the fixture 22 that the Origin And Destination of 23 also can be fixed on other forms loop, to reach same effect.
When pull drawer, when rail 112a pulls out distance a in rail 111a relative first on first, be positioned at upper strata tensioner 231 on the first slide track component 11a by the first front steering part 211a to the lower floor's tensioner 232 transmission distance a be positioned on the first slide track component 11a; Because the distance between the first front steering part 211a and the first rear steering part 212a is fixing, therefore when the upper strata tensioner 231 being positioned at the first slide track component 11a moves, the connected lower floor's tensioner 232 be positioned on the second slide track component 11b just can compensate transmission distance a to the upper strata tensioner 231 being positioned at the first slide track component 11a, now, because second time fixture 222a maintains static, therefore rail 112a pulls out distance a forward in second; Distance simultaneously between the second front steering part 211b and the second rear steering part 212b is fixing, then now be positioned at the upper strata tensioner 231 of the second slide track component 11b to the lower floor's tensioner 232 transmission distance a being positioned at the second slide track component 11b, and then pull the second upper fixing element 221b by the upper strata tensioner 231 being arranged in the second slide track component 11b and impel rail 111b relative second rail 112b pull-out distance a forward on second; Be positioned at lower floor's tensioner 232 of the first slide track component 11a to the upper strata tensioner 231 transmission distance a being positioned at the second slide track component 11b simultaneously, now, because first time fixture 222a maintains static, therefore rail 112a pulls out distance a forward relative to first time rail 113a in first.First slide track component 11a and the second slide track component 11b synchronously pulls out, and drawer pull-out coverage is upper rail 111 relative to the pull-out distance a of middle rail 112 and the middle rail 112 pull-out distance a sum relative to lower rail, and namely effective pull-out of drawer is apart from being 2a.
Further, described lazy-tongs 2 also comprise the tensioning sleeve 24 be arranged between two rear steering parts 212, the length of described tensioner 23 between two rear steering parts 212 is greater than the air line distance of two rear steering parts 212, the part of described tensioner 23 between two rear steering parts 212 is arranged in described tensioning sleeve 24, and described tensioning sleeve 24 makes described tensioner 23 other parts outside described tensioning sleeve 24 be in tension always.Compared to the embodiment without tensioning sleeve 24, the length of described tensioner 23 between two rear steering parts 212 is greater than the air line distance between two rear steering parts 212; Be convenient to install, and do not worry that described tensioner 23 other parts outside described tensioning sleeve 24 can relax.Certainly, in the embodiment having tensioning sleeve 24, the length of described tensioner 23 between two rear steering parts 212 also can equal the air line distance between two rear steering parts 212.
Described rear steering part 212 is fixed on the rear end of middle rail 112 by tumbler pedestal 213, retaining collar 25 is provided with between described tensioning sleeve 24 and described tensioner 23 pedestal, described retaining collar 25 is vertical with described middle rail 112, the part of described tensioner 23 in described retaining collar 25 with to extend past from this part after rear steering part 212 and another part near rear steering part 212 is perpendicular and in the same plane, thus described tensioner 23 can be made to open or close in process at slide rail run smooth and easy, save the strength; Described tensioner 23 can be reduced simultaneously and walk around wearing and tearing when described rear steering part 212 moves, life-extending.
In addition, sliding track mechanism 100 of the present invention also has quiet effect in draw process.Drawer is fixed on described upper rail 111, user with in speed V pull-out or propelling drawer process, the speed that upper rail 111 pulls out also is V, tensioner 23 is by tumbler 21 transmission, and in drive, rail 112 is with speed V/2 pull-out, when outer rail 111 and middle rail 112 pull out completely, the coverage that upper rail 111 pulls out is twice of the coverage of middle rail 112 pull-out or more, in the process that slide track component 100 pulls out, avoid the shock of rail 111 and middle rail 112, thus quiet effect can be reached.
In sum, sliding track mechanism 100 of the present invention, tensioner 23 is wound between the fixture 22 of two slide track components 1 by tumbler 21, and the lower rail 113 of the upper rail 111 of described one of them slide rail of tensioner 23 interconnection and another slide track component 1, when the upper rail 111 of the first slide track component 11a or middle rail 112 are moved, described tensioner 23 drives upper rail 111 or the middle rail 112 displacement same distance in the same way of the second slide track component 11b by fixture 22, realize the synchronizing moving of two groups of slide track components 1, to avoid in draw process the deflection that causes because of firmly uneven or wave phenomenon, and drawer can be locked in the optional position in draw process, in whole process, muting function is good.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not depart from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a sliding track mechanism, pull out in casing for drawer or advance, comprise the first slide track component and the second slide track component that are oppositely arranged, each slide track component has the upper rail be mutually slidably matched, middle rail and lower rail, it is characterized in that: described sliding track mechanism also comprises and makes the first slide track component and the second slide track component keep synchronization-moving lazy-tongs, lazy-tongs comprise the tumbler being located at two groups of slide track components, fixture and tensioner, described tensioner is wound between the fixture of two slide track components by tumbler, described fixture comprises is located at the upper fixing element on two upper rails and the lower fixture at least one lower rail respectively, open at described slide track component, in the process of closing and open or close, fixed all the time on described between rail rear end to middle rail front end, described lower fixture is all the time between described lower rail front end to middle rail rear end, when the upper rail of the first slide track component or middle rail move, described tensioner drives upper rail or the middle rail displacement same distance in the same way of the second slide track component by fixture.
2. sliding track mechanism according to claim 1, is characterized in that: fixed distance apart from upper rail rear end be described upper rail and middle rail when opening completely described upper rail rear end to the half of the distance of middle rail front end; Described lower fixture apart from the distance of lower rail front end be described lower rail and middle rail open completely time described lower rail rear end to the half of the distance of middle rail front end.
3. sliding track mechanism according to claim 1, is characterized in that: described fixture comprises is located at the first upper fixing element on the first slide track component and first time fixture, the second upper fixing element be located on the second slide track component; Described tumbler comprises the first front steering part and the first rear steering part, the second front steering part being located at the second slide track component and the second rear steering part of being located at the first slide track component; Described tensioner comprises through the first front steering part and connects the first tensioner of first time fixture and the first upper fixing element, connect the second tensioner of the first upper fixing element and the second upper fixing element through the first rear steering part, the second rear steering part and the second front steering part successively, be connected the 3rd tensioner of the second upper fixing element and first time fixture through the second rear steering part with the first rear steering part successively.
4. sliding track mechanism according to claim 3, it is characterized in that: the starting point of described tensioner is fixed on first time fixture, terminal is fixed on successively and has on the lower rail of first time fixture after the first front steering part, the first upper fixing element, the first rear steering part, the second rear steering part, the second front steering part, the second upper fixing element, the second rear steering part and the first rear steering part.
5. sliding track mechanism according to claim 1, it is characterized in that: described tumbler comprises the front steering part and rear steering part that are individually fixed in rail front and back end in each, described front steering part is set to described tensioner after front steering part, is divided into upper strata tensioner and lower floor's tensioner, described rear steering part comprises the upper tumbler and lower tumbler that match with lower floor tensioner with described upper strata tensioner respectively, described upper strata tensioner, lower floor's tensioner is through the upper tumbler of a wherein slide track component, the lower tumbler to being fixed on another slide track component and upper tumbler is extended respectively after lower tumbler.
6. sliding track mechanism according to claim 5, is characterized in that: described upper strata tensioner and described lower floor tensioner are all parallel to described middle rail.
7. sliding track mechanism according to claim 1, it is characterized in that: described fixture comprises two upper fixing elements being located at two upper rails, be located at two lower fixtures of two lower rails, described tumbler comprises the front steering part and rear steering part that are individually fixed in rail front and back end in each, described tensioner comprises the front steering part through a slide track component and connects and is positioned at tensioner before the upper fixing element of same slide track component and lower fixture, tensioner through two rear steering parts and after connecting first of the upper fixing element of the first slide track component and the lower fixture of the second slide track component, and tensioner through two rear steering parts and after connecting second of the lower fixture of the first slide track component and the upper fixing element of the second slide track component.
8. sliding track mechanism according to claim 7, is characterized in that: described fixture comprises to be located at the first upper fixing element on the first slide track component and first time fixture, to be located at the second upper fixing element on the second slide track component and second time fixture; Described tumbler comprises the first front steering part and the first rear steering part, the second front steering part being located at the second slide track component and the second rear steering part of being located at the first slide track component; Described tensioner is made up of two tensioner, wherein the starting point of a tensioner is fixed on first time fixture, and terminal is fixed on the lower rail of the second slide track component successively after the first front steering part, the first upper fixing element, the first rear steering part, the second rear steering part; The starting point of another root tensioner is fixed on second time fixture, and terminal is fixed on the lower rail of the first slide track component successively after the second front steering part, the second upper fixing element, the second rear steering part, the first rear steering part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372573.7A CN104323610B (en) | 2014-07-31 | 2014-07-31 | Sliding track mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372573.7A CN104323610B (en) | 2014-07-31 | 2014-07-31 | Sliding track mechanism |
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| CN104323610A true CN104323610A (en) | 2015-02-04 |
| CN104323610B CN104323610B (en) | 2017-03-29 |
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| CN201410372573.7A Active CN104323610B (en) | 2014-07-31 | 2014-07-31 | Sliding track mechanism |
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| CN104323610B (en) | 2017-03-29 |
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Inventor after: Li Jinrun Inventor after: Lu Riyong Inventor after: Fei Bin Inventor after: Zhang Kui Inventor after: Fang Jing Inventor before: Lu Riyong Inventor before: Fei Bin Inventor before: Zhang Kui Inventor before: Fang Jing |
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