CN106016942A

CN106016942A - Sliding rail mechanism and refrigerator comprising same

Info

Publication number: CN106016942A
Application number: CN201610357069.9A
Authority: CN
Inventors: 朱小兵; 费斌; 陆日勇; 刘金林
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2016-05-25
Filing date: 2016-05-25
Publication date: 2016-10-12
Anticipated expiration: 2036-05-25
Also published as: CN106016942B; WO2017202049A1

Abstract

The invention discloses a sliding rail mechanism and a refrigerator comprising the same. Each sliding rail assembly comprises an upper rail, a middle rail and a lower rail. The sliding rail mechanism further comprises a synchronous mechanism which comprises two auxiliary middle rail assemblies, steering parts arranged on the auxiliary middle rail assemblies, tensioning parts and fixing parts, and the fixing parts are arranged on the two sliding rail assemblies. The tensioning parts are arranged between the fixing parts of the two sliding rail assemblies through the steering parts in a wound mode. The synchronous mechanism further comprises a tensioning sleeve. At least one of two rear steering parts is provided with an adjusting assembly which is movably connected with the tensioning sleeve. The tensioning sleeve drives the tensioning parts to move to be away from the adjusting assemblies until the length, between the two rear steering parts, of the tensioning parts is greater than the distance between the two rear steering parts. The auxiliary middle rail assemblies are added, the steering parts are arranged on the auxiliary middle rail assemblies, so that gaps between the upper rails and the lower rails do not influence the steering parts, the tightness degree of other tensioning parts outside the tensioning sleeve can be adjusted by the adjusting assemblies, so that the other tensioning parts outside the tensioning sleeve are kept in the tensioned state all the time.

Description

Sliding track mechanism and there is its refrigerator

Technical field

The present invention relates to field of household appliances, particularly relate to a kind of sliding track mechanism and there is its refrigerator.

Background technology

At present, three joint slide rails on market are primarily present following problem in actual applications: first, produce and make an uproar during use Sound: existing three joint slide rails, in employing, rail first runs, when upper rail range ability culminates, rail and the limit of middle rail in employing Position device contact-impact, pulls out middle rail；In same employing, rail and the stopping means contact-impact of lower rail, reach middle rail and drawn Distance arrive limit；And stopping means is at upper rail and middle rail, middle rail and the noise of generation " pedal, pedal " in lower rail contact impact, High frequency noise is brought to user.Secondly, double swerve is produced during use: existing three joint slide rails in actual applications more to be adopted By paired mode, and using the method for operation of foregoing description, the transmission between three joint slide rails simultaneously uses some steel balls as each rail Between carriage；Therefore, three joint slide rails can not pin each other, front and back reserves reduction space, in actual use, during pull-out Active force and the direction of slide rail running force not on the centrage of slide rail, cause the device surface meeting by a pair three joint slide rail pull-outs Tandem sight, and optional position after pull-out occur, when both hands use both sides amount of force different, can produce The phenomenon rolled, brings potential safety hazard to user.

On market, existing three joint slide rails are affected by cost, standard technology control and reliability, the gap between upper rail and lower rail Distance is general at 2mm.In prior art, as a example by the application for a patent for invention of this department Application No. CN201410372586.4, Can increase lazy-tongs in three joint slide rails to pass in and out with the synchronization realizing two wood side-guides, the tumbler of these lazy-tongs includes pedestal, Pedestal is necessarily mounted at whole lazy-tongs on middle rail and can be only achieved intended synchronization muting function, say, that pedestal needs to install In the gap of 2mm.It addition, for the intensity ensureing pedestal, pedestal is unfit to do too with the size of the connecting portion that middle rail is connected Little, be preferably arranged to the height of 1.8mm, consequently, it is possible to the substantially 0.1mm of the spacing between upper rail and connecting portion, lower rail with Spacing between connecting portion the most substantially 0.1mm.In practice, along with the increase of three joint slide rail access times, internal steel Pearl and upper rail, lower rail, middle rail easily produce abrasion, cause the clearance distance between rail and lower rail to be gradually reduced, due to upper rail And spacing between lower rail and pedestal connecting portion is minimum, now, the reduction of clearance distance is easily caused rail and/or lower rail and pedestal Produce between connecting portion and interfere, even produce stuck phenomenon.Therefore, three joint slide rail reliability existing problems of the prior art.

It addition, in order to ensure stability and the synchronicity that sliding track mechanism slides, therefore, to assure that synchronization structure is positioned at rail and middle rail The tensioner of side is in tensioned state, and the regulation of current tensioner is inconvenient, affects Consumer's Experience.

Summary of the invention

It is an object of the invention to provide sliding track mechanism in one and there is its refrigerator.

One of for achieving the above object, an embodiment of the present invention provides a kind of sliding track mechanism, draws in casing for drawer Going out or advance, including the first slide track component being oppositely arranged and the second slide track component, each slide track component has and is mutually slidably matched Upper rail, middle rail and lower rail, described sliding track mechanism also includes so that the first slide track component and the second slide track component keep synchronizing moving Lazy-tongs, rail assembly in two groups of auxiliary that lazy-tongs include coordinating with two groups of slide track components, be located at rail group in described auxiliary The tumbler of part, tensioner and be located at the fixture of two groups of slide track components, described tensioner is wound on two cunnings by tumbler Between the fixture of rail assembly；Described tumbler include being individually fixed in rail assembly front and back end in each auxiliary front steering part and after Tumbler, described lazy-tongs also include the tensioning sleeve being arranged between two rear steering parts and being sheathed on outside tensioner, after two Being provided with adjusting part at least one of tumbler, described adjusting part is flexibly connected with described tensioning sleeve, when described regulation Assembly is in when tightening state, and described tensioning sleeve drives described tensioner to move until described tensioner exists away from described adjusting part Length between two rear steering parts is more than the distance between two rear steering parts, and its outside described tensioning sleeve of described tensioner He is partly constantly in tension so that when the upper rail of the first slide track component or middle rail move, described tensioner passes through fixture Drive the upper rail of the second slide track component or middle rail displacement same distance in the same direction.

As the further improvement of an embodiment of the present invention, in each described auxiliary, rail assembly includes at least one limit base and at least One screw mandrel, described screw mandrel is movably disposed in described limit base, and described screw mandrel connects described tumbler, when described upper rail or When middle rail moves, described limit base remains stationary as, and described screw mandrel and described tumbler the most described common limit base are orthokinetic.

As the further improvement of an embodiment of the present invention, described limit base is fixedly arranged on described lower rail or casing.

As the further improvement of an embodiment of the present invention, the axis of described screw mandrel is parallel with described tensioner.

As the further improvement of an embodiment of the present invention, described rear steering part includes hollow base, and described pedestal is auxiliary with described Helping middle rail assembly to be connected, described adjusting part is positioned at described pedestal, and wherein, described pedestal has the being mutually perpendicular to and turning on One opening and the second opening, the end of described tensioning sleeve is positioned at described second opening part, and is arranged in the tensioning in described tensioning sleeve Part is extended to the first opening by the second opening.

As the further improvement of an embodiment of the present invention, described adjusting part includes pin member and drives described pin member to move Synchronization top spring, when described adjusting part is in original state, described tensioning sleeve spacing described synchronize top spring, when described regulation Assembly is in when tightening state, and described tensioning sleeve departs from the described top spring that synchronizes away from the motion of described adjusting part, described synchronization top Spring drives described pin member towards tensioning sleeve motion until described tensioning sleeve supports described synchronization and pushes up spring.

As the further improvement of an embodiment of the present invention, described pedestal is formed with one first protuberance, during described pin member is Being formed with the second protuberance on hollow structure, and the inwall of described pin member, described synchronization top spring has the first end being oppositely arranged and Two ends, described tensioning sleeve has near the described first end synchronizing top spring, and described first end abuts described first protuberance, described Second end and described first end are connected to the both sides of described second protuberance respectively, when described adjusting part is in and tightens state, Described tensioning sleeve drives described pin member towards institute away from described second protuberance motion, the described top spring that synchronizes by described second protuberance State tensioning sleeve motion.

As the further improvement of an embodiment of the present invention, described lazy-tongs also include inserted sheet, on the outer wall of described pin member Being formed with some slots, be formed with at least one socket at described pedestal correspondence slot, described inserted sheet is through described socket and inserts institute In stating slot, described pin member is relatively fixed with described pedestal.

As the further improvement of an embodiment of the present invention, one end of described pin member is formed with positive stop end, shape on described pedestal The confined planes that positive stop end described in Cheng Youyu coordinates, when described pin member moves to extreme position, described positive stop end is towards described limit Plane moves until described positive stop end interferes with each other with described confined planes.

One of for achieving the above object, an embodiment of the present invention provides a kind of refrigerator, including sliding track mechanism as above.

Compared with prior art, the beneficial effects of the present invention is: the present invention increases rail assembly in auxiliary, and is arranged by tumbler In auxiliary on rail assembly, so, between upper rail, lower rail, the change in gap does not interferes with the normal operation of tumbler, thus Ensure the stability of lazy-tongs, present invention additionally comprises the tensioning socket adjusting part for regulating tensioner elasticity, Ke Yiyou The elasticity of other tensioner outside effect regulation tensioning sleeve so that other tensioner outside tensioning sleeve remain tensioned state, from And improve synchronicity and stability.

Accompanying drawing explanation

Fig. 1 is the sliding track mechanism original state schematic diagram of first embodiment of the invention；

Fig. 2 is the sliding track mechanism explosive view of first embodiment of the invention；

Fig. 3 is the sliding track mechanism sliding mode schematic diagram of first embodiment of the invention；

Fig. 4 be first embodiment of the invention there is the structural representation of rail assembly in auxiliary；

Fig. 5 be first embodiment of the invention there is the explosive view of rail assembly in auxiliary；

Fig. 6 is the fixture distribution schematic diagram of the concrete example of the present invention one；

Fig. 7 is the fixture distribution schematic diagram of another concrete example of the present invention；

Fig. 8 is the sliding track mechanism original state schematic diagram of second embodiment of the invention；

Fig. 9 is the sliding track mechanism explosive view of second embodiment of the invention；

Figure 10 is the sliding track mechanism sliding mode schematic diagram of second embodiment of the invention；

Figure 11 be second embodiment of the invention there is the structural representation of rail assembly in auxiliary；

Figure 12 be second embodiment of the invention there is the explosive view of rail assembly in auxiliary；

Figure 13 is the sliding track mechanism original state schematic diagram of third embodiment of the invention；

Figure 14 is the sliding track mechanism explosive view of third embodiment of the invention；

Figure 15 is the sliding track mechanism sliding mode schematic diagram of third embodiment of the invention；

Figure 16 be third embodiment of the invention there is the structural representation of rail assembly in auxiliary；

Figure 17 be third embodiment of the invention there is the explosive view of rail assembly in auxiliary；

Figure 18, Figure 19 are the sliding track mechanism schematic diagrams with electric machine assembly of an embodiment of the present invention；

Figure 20, Figure 21 are the sliding track mechanism schematic diagrams with electric machine assembly of another embodiment of the present invention；

Figure 22 is the longitudinal sectional drawing of the rear steering part of an embodiment of the present invention；

Figure 23 is the transverse cross-sectional view of the rear steering part of an embodiment of the present invention.

Detailed description of the invention

Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments are not Limit the present invention, structure that those of ordinary skill in the art is made, method or functionally according to these embodiments Conversion be all contained in protection scope of the present invention.

As it is shown in figure 1, the invention provides a kind of slide rail machine pulling out in casing for drawer (sign) or advancing Structure 100, including the two groups of slide track components 1 being oppositely arranged.Certainly, described sliding track mechanism 100 can be used for other structures Pull, extend or shrink.It should be noted that two groups of slide track components 1 can be arranged left and right, in other embodiments, Two groups of slide track components 1 can also be setting up and down, in the present invention, as a example by two groups of slide track components about 1 are arranged.

It addition, used herein such as " on ", " top ", D score, " lower section ", "left", "right" etc. Representation space is in order at relative to the term of position to be easy to descriptive purpose and describes a unit or feature as shown in the drawings Relative to another unit or the relation of feature.The term of relative space position can be intended to include that equipment is using or work In different azimuth in addition to orientation shown in figure.Such as, if the equipment in figure is overturn, then it is described as being located at Other unit or feature " lower section " or " under " unit will be located in other unit or feature " top ".Therefore, show Example term " lower section " can include above and below both orientation.Equipment can otherwise be directed and (rotate 90 degree or other towards), and correspondingly explain used herein with space correlation description language.

Ginseng Fig. 1 to Fig. 3, described slide track component 1 includes the first slide track component 1a and the second slide track component 1b, each cunning Rail assembly 1 has upper rail 11, middle rail 12 and the lower rail 13 being mutually slidably matched, and the i.e. first slide track component 1a has mutually Rail 11a on first coordinated, rail 12a and first time rail 13a, described second slide track component 1b have phase interworking in first Rail 11b on second closed, rail 12b and second time rail 13b in second.Described lower rail 13 is fixed on casing by angle bar 6 On, described upper rail 11 is fixed on drawer, and described middle rail 12 is equipped with between described upper rail 11 and lower rail 13； During use, described lower rail 13 maintains static, and described middle rail 12 can pull out or advance by relative lower rail 13 with upper rail 11, enters And driving drawer pull-out or in advancing described casing, say, that described lower rail 13 is orbit determination, described middle rail 12 and upper Rail 11 is dynamic rail.

In the present embodiment, what described slide track component 1 also included being located between described upper rail 11 and described middle rail 12 is upper Townhouse ball 14, the lower townhouse ball 15 being located between described middle rail 12 and described lower rail 13, at upper rail 11 or middle rail 12 descend rail 13 can reduce friction during pulling out or advancing relatively, laborsaving.Described upper townhouse ball 14 is positioned at described In the opening (sign) of upper rail 11, described lower townhouse ball 15 is positioned at the opening (sign) of described lower rail 13. Further, described upper townhouse ball 14 includes the matrix (sign) being fastened on the upside of middle rail 12 and is located on matrix Some balls (sign), described lower townhouse ball 15 includes the matrix (sign) being fastened on the downside of middle rail 12 And the some balls (sign) being located on matrix.

In an embodiment of the present invention, described sliding track mechanism 100 also includes so that the first slide track component 1a and second is sliding Rail assembly 1b keeps synchronization-moving lazy-tongs 2, lazy-tongs 2 include two groups coordinated with two groups of slide track components 1 auxiliary Help rail assembly 5, be located at the tumbler 21 of rail assembly 5 in described auxiliary, tensioner 23 and be located at two groups of slide track components Fixture 22, described tensioner 23 is wound on by tumbler 21 between the fixture 22 of two slide track components 1, When the upper rail 11 of the first slide track component 1a or middle rail 12 are moved, described tensioner 23 drives the by fixture 22 The upper rail 11 of two slide track component 1b or middle rail 12 displacement same distance in the same direction.

Here, on the basis of prior art three saves slide rail, add rail assembly 5 in auxiliary, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5, does not contacts each other between tumbler 21 and three joint slide rails, say, that Now the sliding trace of tumbler 21, the motion track of tensioner 23 and three joint slide rails does not overlaps each other, even if upper rail 11, Gap between lower rail 13 reduces because of abrasion, does not also interfere with the normal operation of tumbler 21 in lazy-tongs 2, Can effectively solve the problem that in prior art, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, this enforcement Mode can utilize three joint rail structures common on market, it is only necessary to coordinates rail assembly in auxiliary with low cost, from And it is possible not only to simplify manufacture difficulty, it is also possible to it is substantially reduced production cost.

In the present embodiment, in the lump refering to Fig. 4 and Fig. 5, in each described auxiliary, rail assembly 5 includes that at least one is spacing Seat 51 and at least one screw mandrel 52, described screw mandrel 52 is movably disposed in described limit base 51, and described screw mandrel 52 is even Connecing described tumbler 21, when described upper rail 11 or middle rail 12 move, described limit base 51 remains stationary as, described silk Bar 52 and described tumbler 21 the most described common limit base 51 are orthokinetic.Here, described tumbler 21 includes base Seat 213 (213 ') and the wheel disc (sign) being arranged in pedestal 213, described tensioner 23 is set around described wheel disc Place, described screw mandrel 52 interfixes with described pedestal 213 (213 '), can between screw mandrel 52 and pedestal 213 (213 ') Interfixed by latch 53 and/or bolt part 54, do not contact between tumbler 21, screw mandrel 52 with three joint slide rails.Need Being noted that the screw mandrel 52 of present embodiment has certain intensity, it is unlikely to deform, and is connected by screw mandrel 52 and turns To part 21, can effectively guide the motion of tumbler 21, it addition, by spacing to screw mandrel 52 of limit base 51, can Effectively to control the moving direction of screw mandrel 52 so that the moving direction of screw mandrel 52 and described upper rail 11 and/or middle rail 12 Moving direction keeps consistent, say, that the axis of screw mandrel 52 and tensioner 23 are parallel and in same perpendicular In.

In the present embodiment, limit base 51 can be fixedly arranged on lower rail 13, but is not limited, such as, it is possible to provide one Gripper shoe 55, and being fixedly arranged in gripper shoe 55 by limit base 51, gripper shoe 55 can be with lower rail 13 or casing or angle bar 6 Connecting, in one embodiment, gripper shoe 55 can be one-body molded with the angle bar 6 of fixing lower rail 13.In order to the most effectively Control the moving direction of screw mandrel 52, also can design a stopper slot 56 on gripper shoe 55, lower rail 13 or limit base 51, As it is shown in figure 5, form a horizontal-extending stopper slot 56, stopper slot 56 and screw mandrel 52 on the upper surface of gripper shoe 55 Being fitted to each other, when described screw mandrel 52 moves, described stopper slot 56 limits the moving direction of described screw mandrel 52.Described limit Position seat 51 includes that the first insertion end 511 and second mutually separating setting inserts end 512, and described screw mandrel 52 is limited in institute State the first insertion end 511 and described second and insert in end 512, here, the two ends of mutually separation are set, can be effectively improved The limit base 51 limit effect to screw mandrel 52, simultaneously, it is possible to ensure the smoothness that screw mandrel 52 moves.

In the present embodiment, described tumbler 21 includes front steering part 211 and rear steering part 212, described front steering part 211 front ends being positioned at described screw mandrel 52, described rear steering part 212 is positioned at the rear end of described screw mandrel 52, described limit base 51 zone lines being positioned at described front steering part 211 and described rear steering part 212.Here, when rail assembly in an auxiliary 5 only have a screw mandrel 52 time, front steering part 211 and rear steering part 212 lay respectively at the same filament bar 52 front end and Rear end, screw mandrel 52 drives front steering part 211 and rear steering part 212 to move together；When in an auxiliary, rail assembly 5 has During screw mandrel 52 more than one, such as, when in auxiliary, rail assembly 5 has two screw mandrels 52, front steering part 211 is positioned at it One of the front end of screw mandrel 52, rear steering part 212 is located therein the rear end of another screw mandrel 52.It should be noted that institute State limit base 51 and be positioned at described front steering part 211 and the zone line of described rear steering part 212, after limit base 51 is positioned at On the motion path of tumbler 212, in order to ensure that rear steering part 212 can move the most forward, limit base 51 is preferable Arrange near three joint slide rail front end area.

In the present embodiment, described front steering part 211 includes being respectively arranged on the first slide track component 1a, the second slide track component The first front steering part 211a and the second front steering part 211b of 1b, it is sliding that described rear steering part 212 includes being respectively arranged on first Rail assembly 1a, the first rear steering part 212a and the second rear steering part 212b of the second slide track component 1b.

In conjunction with Fig. 6, described front steering part 211 is arranged to described tensioner 23 and is divided into after front steering part 211 Layer tensioner 231 and lower floor's tensioner 232, described rear steering part 212 include respectively with described upper strata tensioner 231 with Upper tumbler 2121 and the lower tumbler 2122 that lower floor's tensioner 232 matches, described upper strata tensioner 231, lower floor open Tight part 232 each extends over to being fixed on after the wherein upper tumbler 2121 of a slide track component 1, lower tumbler 2122 Lower tumbler 2122 on another slide track component 1 and upper tumbler 2121, lay respectively at two groups in the way of intersection linkage Upper rail 11 and the lower rail 13 of slide track component 1.

Described front steering part 211 is the wheel disc (sign) walked around for tensioner 23, and it is installed in vertical, described on Tumbler 2121 and lower tumbler 2122 are the wheel disc (sign) walked around for tensioner 23, and it is in being horizontally mounted, institute State tensioner 23 in the extreme higher position of described front steering part 211 and described tensioner 23 in the position of described upper tumbler 2121 Setting on same straight line so that described upper strata tensioner 231 is parallel to described screw mandrel 52；Described tensioner 23 is positioned at The extreme lower position of described front steering part 211 and the position being positioned at described lower tumbler 2122 are located parallel to the one of screw mandrel 52 On bar straight line, so that described lower floor tensioner 232 is parallel to described screw mandrel 52；So that described sliding track mechanism 100 Run smooth and easy.

Described fixture 22 includes at least two upper fixing element 221 being respectively arranged on two upper rails 11 and is located at least one The lower fixture 222 of at least one on individual lower rail 13.

During described slide track component 1 is opened, closes and opened or closed, fixed part 221 is always positioned at Described upper rail 11 rear end between middle rail 12 front end, described lower fixture 222 be always positioned at described lower rail 13 front end in Between rail 12 rear end, to avoid three joint slide rails to be mutually disengaged, to reduce tensioner 23 at tumbler 21 and fixture 22 Abrasion, increase the service life, simultaneously not affecting described sliding track mechanism 100 can pull out the effective length of casing by drawer.

When slide track component 1 fully opens, the rear portion of described upper rail 11 overlaps with the front portion of described middle rail 12, The rear portion of the most described middle rail 12 overlaps with the front portion of described lower rail 13, is opening shape strengthening slide track component 1 Civilian stability during state, prevents drawer from rocking.Preferably, the fixed part 221 distance away from upper rail 11 rear end is institute State when rail 11 fully opens described upper rail 11 rear end with middle rail 12 to the half of the distance of middle rail 12 front end；Under described The fixture 222 distance away from lower rail 13 front end is described lower rail 13 described lower rail 13 rear end when fully opening with middle rail 12 To the half of the distance of middle rail 12 front end, do not affect described sliding track mechanism 100 and drawer can be pulled out the effective length of casing, And described tumbler 21 can be avoided to collide with fixture 22 or rub, increase the service life.At slide track component 1 When fully opening, it is assumed that the distance of upper rail 11 rear end to middle rail 12 front end is L, then upper fixing element 221 is apart from upper rail 11 The distance of rear end is L/2；Middle rail 12 rear end is M to the distance of lower rail 13 front end, then descend fixture 222 apart from lower rail The distance of 13 front ends is M/2.

Described tensioner 23 is wound on the fixture of two slide track components 1 by front steering part 211 and rear steering part 212 Between 22 and form loop, the most described tensioner 23 changed direction by front steering part 211 and rear steering part 212 thus Connect fixed part 221 and lower fixture 222.In the present invention, form loop and refer to: described tensioner 23 is positioned at On front side of same fixture 22 and two parts of rear side are by this fixture 22 compact siro spinning technology, without breakpoint；Described tensioner 23 It is positioned on front side of same fixture 22 and two parts of rear side are fixed on same slide rail, without tumbler between two fixing points 21.Certainly, in the specific embodiment of the invention, it is possible to be formed without loop as the case may be.

In the concrete example of the present invention one, refering to Fig. 6, described fixture 22 includes being located on the first slide track component 1a First upper fixing element 221a and first time fixture 222a, the second upper fixing element 221b being located on the second slide track component 1b, Described tensioner 23 is divided into three sections by three fixtures 22: through the first front steering part 211a and connect first time and fix Part 222a and first tensioner of the first upper fixing element 221a, sequentially pass through the first rear steering part 212a, the second rear steering Part 212b and the second front steering part 211b also connects the first upper fixing element 221a and second of the second upper fixing element 221b Tight part, sequentially passes through the second rear steering part 212b and the first rear steering part 212a and connects the second upper fixing element 221b and the The 3rd tensioner of fixture 222a once.Described first tensioner, the second tensioner and the 3rd tensioner are each other by solid Locking member 22 is connected, and forms the loop of a Guan Bi.

When pull drawer, when on first, rail 11a stress pulls out distance a, the upper strata of the first slide track component 1a is opened Tight part 231 by the first front steering part 211a and the first rear steering part 212a to lower floor's tensioner 232 transmission distance a, and The tensioner 23 distance between the first front steering part 211a and the second rear steering part 212b is fixing, the most described Lower floor's tensioner 232 of two slide track component 1b is by after the second front steering part 211b, the second rear steering part 212b and first Tumbler 212a is to upper strata tensioner 231 transmission distance a of the first slide track component 1a；Again because of the second front steering part 211b And the distance between the second rear steering part 212b is fixing, therefore the upper strata tensioner 231 of the second slide track component 1b to Lower floor's tensioner 232 transmission distance a, lower floor's tensioner 232 of the first slide track component 1a is by the first front steering part simultaneously 211a, the first rear steering part 212a and the second front steering part 211b, the second rear steering part 212b are to the second slide track component 1b Upper strata tensioner 231 transmission distance a.

The upper strata tensioner 231 of the first slide track component 1a is respectively by the first upper fixing element 221a, first time fixture 222a It is fixed on rail 11a on first, first time rail 13a；The upper strata tensioner 231 of the second slide track component 1b is passed through on second Fixture 221b is fixed on second on rail 11b.The length of the first tensioner, the second tight part and the 3rd tensioner is all simultaneously It is fixing.When pull drawer, when upper rail 11 stress of the first slide track component 1a pulls out distance a, first The upper strata tensioner 231 of slide track component 1a is to lower floor's tensioner 232 transmission distance a, and the lower floor of the second slide track component 1b opens Tight part 232 is to upper strata tensioner 231 transmission distance a of the first slide track component 1a, the upper strata tensioning of the second slide track component 1b Part 231 is to lower floor's tensioner 232 transmission distance a of the second slide track component 1b, and therefore rail 11b also pulls out on second Distance a.Meanwhile, lower floor's tensioner 232 of the first slide track component 1a is to the upper strata tensioner 231 of the second slide track component 1b Transmission distance a, owing to the length of the 3rd tensioner is fixing, therefore the second rear steering part 212b pulls out forward.

When upper rail 11 stress of the second slide track component 1b pulls out distance a, the length of described 3rd tensioner is solid Fixed, the 3rd tensioner is by upper to the second slide track component 1b of the second rear steering part 212b and the first rear steering part 212a Rail 11 transmission distance a, therefore the first rear steering part 212a of the first slide track component 1a pulls out forward；Again because described the The length of one tensioner is fixing, therefore the upper rail 11 of the first slide track component 1a also pulls out distance a.Further, since For being slidably connected between upper rail 11 and middle rail 12, also for being slidably connected between middle rail 12 and lower rail 13, the shifting of upper rail 11 Dynamic meeting band disorder of internal organs rail 12 moves together, can pull out distance to increase.

In another concrete example of the present invention, refering to Fig. 7, the parts identical with upper one concrete example use identical label, Described fixture 22 include the first upper fixing element 221a of being located on the first slide track component 1a and first time fixture 222a, The the second upper fixing element 221b being located on the second slide track component 1b and second time fixture 222b.

Described tensioner 23 includes through the first front steering part 211a and connects on first time fixture 222a and first solid First tensioner of locking member 221a, sequentially passes through the first rear steering part 212a, the second rear steering part 212b and connects first Second tensioner of upper fixing element 221a and second time fixture 222b, through the second front steering part 212a and be connected to 3rd tensioner of two times fixture 222b and the second upper fixing element 221b, sequentially pass through the second rear steering part 212b and One rear steering part 212a also connects the 4th tensioner of the second upper fixing element 221b and first time fixture 222a.Described One tensioner, the second tensioner, the 3rd tensioner and the 4th tensioner are connected each other by fixture 22, form one The loop of Guan Bi.Other explanations of this example refer to an example, do not repeat them here.

Below, introducing several detailed description of the invention of rail assembly 5 in present invention auxiliary, identical structure uses identical volume Number.

As shown in figs. 1-7, in first embodiment of the invention, described sliding track mechanism 100 includes so that the first slide rail group Part 1a and the second slide track component 1b keeps synchronization-moving lazy-tongs 2, and lazy-tongs 2 include and two groups of slide track components 1 Coordinate two groups auxiliary in rail assembly 5a, be located at the tumbler 21 of rail assembly 5a in described auxiliary, tensioner 23 and set In the fixture 22 of two groups of slide track components, each described auxiliary rail assembly 5a be positioned at correspondence described slide track component 1 close The side of drawer accommodation space, described tensioner 23 is wound on the fixture 22 of two slide track components 1 by tumbler 21 Between so that when the upper rail 11 of the first slide track component 1a or middle rail 12 move, described tensioner 23 is by fixture 22 Drive upper rail 11 or the middle rail 12 displacement same distance in the same direction of the second slide track component 1b.It is to say, in present embodiment In, in auxiliary, rail assembly 5a is positioned at the inner side of slide track component 1.

Here, on the basis of prior art three saves slide rail, add rail assembly 5a in auxiliary, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5a, does not contacts each other between tumbler 21 and three joint slide rails, say, that Now the sliding trace of tumbler 21, the motion track of tensioner 23 and three joint slide rails does not overlaps each other, even if upper rail 11, Gap between lower rail 13 reduces because of abrasion, does not also interfere with the normal operation of tumbler 21 in lazy-tongs 2, Can effectively solve the problem that in prior art, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, this enforcement Mode can utilize three joint rail structures common on market, it is only necessary to coordinates rail assembly in auxiliary with low cost, from And it is possible not only to simplify manufacture difficulty, it is also possible to it is substantially reduced production cost.

In each auxiliary, rail assembly 5a includes an a limit base 51a and screw mandrel 52a, and described screw mandrel 52a is movably Being arranged in described limit base 51a, described screw mandrel 52a connects described tumbler 21, when described upper rail 11 or middle rail 12 Time mobile, described limit base 51a remains stationary as, described screw mandrel 52a and described tumbler 21 the most described common limit base 51a is orthokinetic.Here, limit base 51a, in " recessed " shape, passes through between bottom surface and gripper shoe 55a of limit base 51a Screw (sign) is fixed, and limit base 51a also includes that the first insertion end 511a and second protruding out bottom surface inserts end 512a, First opening inserting end 511a and second insertion end 512a extends in the horizontal direction, and screw mandrel 52a is limited in described first Insert end 511a and described second to insert in end 512a.Gripper shoe 55a is horizontally disposed hard plate, gripper shoe 55a And can be by described in screw between angle bar 6 or lower rail 11, certainly, gripper shoe 55a also can be with angle bar 6 or lower rail 11 1 Body formed.Present embodiment arranges, by limit base 51a's, the moving direction that can effectively control screw mandrel 52a so that silk The moving direction of bar 52a keeps consistent with the moving direction of described upper rail 11 and/or middle rail 12, say, that screw mandrel 52a Axis and tensioner 23 parallel and in same perpendicular.

In the present embodiment, the upper surface of gripper shoe 55a is also formed with a stopper slot 56a, and it is corresponding with screw mandrel 52a Arrange, to strengthen the control of the moving direction to screw mandrel 52a.

In the present embodiment, front steering part 211 is positioned at the front end of screw mandrel 52a, and rear steering part 212 is positioned at screw mandrel 52a Rear end, described front steering part 211 includes being respectively arranged on the first slide track component 1a, first forward of the second slide track component 1b To part 211a and the second front steering part 211b, described rear steering part 212 include being respectively arranged on the first slide track component 1a, The first rear steering part 212a and the second rear steering part 212b of two slide track component 1b.Described fixture 22 is positioned at described slide rail Assembly 1 is near the side of drawer accommodation space, i.e. fixture 22 is positioned at the inner side of slide track component 1, and fixture 22 includes The first upper fixing element 221a of being located on the first slide track component 1a and first time fixture 222a, it is located at the second slide track component The second upper fixing element 221b on 1b, described tensioner 23 is divided into three sections by three fixtures 22: through the first forward To part 211a and connect first time fixture 222a and first tensioner of the first upper fixing element 221a, sequentially pass through first Rear steering part 212a, the second rear steering part 212b and the second front steering part 211b also connect the first upper fixing element 221a and Second tensioner of two upper fixing element 221b, sequentially passes through the second rear steering part 212b and the first rear steering part 212a and connects Connect the 3rd tensioner of the second upper fixing element 221b and first time fixture 222a.Described first tensioner, the second tensioning Part and the 3rd tensioner are connected each other by fixture 22, form the loop of a Guan Bi.Certainly, described fixture 22 may also comprise the first upper fixing element 221a being located on the first slide track component 1a and first time fixture 222a, be located at The second upper fixing element 221b on two slide track component 1b and second time fixture 222b, now, tensioner 23 includes One tensioner, the second tensioner, the 3rd tensioner and the 4th tensioner.Other explanations of present embodiment are referred to this The explanation of other parts of description, does not repeats them here.

As illustrated in figs. 8-12, in second embodiment of the invention, described sliding track mechanism 100 also includes so that the first slide rail Assembly 1a and the second slide track component 1b keeps synchronization-moving lazy-tongs 2, and lazy-tongs 2 include and two groups of slide track components 1 coordinate two groups auxiliary in rail assembly 5b, be located at the tumbler 21 of rail assembly 5b in described auxiliary, tensioner 23 and Being located at the fixture 22 of two groups of slide track components, in each described auxiliary, rail assembly 5b includes the described cunning laying respectively at correspondence Rail assembly 1 is close and far from rail in two auxiliary of drawer accommodation space both sides, and described tensioner 23 is by tumbler 21 It is wound between the fixture 22 of two slide track components 1 so that upper rail 11 or the middle rail 12 of the first slide track component 1a move Time dynamic, described tensioner 23 drives upper rail 11 or middle rail 12 displacement in the same direction of the second slide track component 1b by fixture 22 Same distance.It is to say, in the present embodiment, in each auxiliary, rail assembly 5b is positioned at the slide track component 1 of correspondence Interior outside.

Here, on the basis of prior art three saves slide rail, add rail assembly 5b in auxiliary, and by lazy-tongs 2 Tumbler 21 be arranged in auxiliary on rail assembly 5b, do not contact each other, namely between tumbler 21 and three joint slide rails Saying, now the sliding trace of tumbler 21, the motion track of tensioner 23 and three joint slide rails does not overlaps each other, even if on Gap between rail 11, lower rail 13 reduces because of abrasion, does not also interfere with the normal of tumbler 21 in lazy-tongs 2 Running, can effectively solve the problem that in prior art, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, Present embodiment can utilize common three joint rail structures on market, it is only necessary to coordinates in auxiliary with low cost rail assembly i.e. Can, thus be possible not only to simplify manufacture difficulty, it is also possible to it is substantially reduced production cost.It should be noted that compared to One embodiment, present embodiment rail assembly 5b in each auxiliary is split into be positioned at correspondence slide track component 1 inside and outward Rail in two auxiliary of side, is transferred to a part of tumbler 21 and tensioner 23 in slide track component 1 and box liner Between in region, can effectively reduce that rail assembly 5b in auxiliary takies is positioned at slide track component 1 near drawer accommodation space side Space, thus drawer volume can be increased accordingly.

In each auxiliary, rail includes a limit base 51b (51b ') and screw mandrel 52b (52b '), described screw mandrel 52b Being movably disposed in described limit base 51b, described screw mandrel 52b connects described tumbler 21, when described upper rail 11 Or middle rail 12 is when moving, described limit base 51b remains stationary as, and described screw mandrel 52b and described tumbler 21 are common relatively Described limit base 51b is orthokinetic.Here, limit base 51b in " recessed " shape, two limit bases 51b, 51b ' bottom surface It is connected to respectively in the corresponding lower rail 11 both side surface close and far from drawer accommodation space.Limit base 51b also includes convex The the first insertion end 511b and second stretching out bottom surface inserts end 512b, and first inserts end 511b and second inserts end 512b Opening extend in the horizontal direction, screw mandrel 52b be limited in described first insert end 511b and described second insert end 512b In.Present embodiment arranges, by limit base 51b's, the moving direction that can effectively control screw mandrel 52b so that screw mandrel 52b Moving direction and the moving direction of described upper rail 11 and/or middle rail 12 keep consistent, say, that in screw mandrel 52b Axis and tensioner 23 are parallel and in same perpendicular.

In the present embodiment, front steering part 211 is positioned at the front end of screw mandrel 52b ', and rear steering part 212 is positioned at screw mandrel 52b Rear end, say, that in the most each auxiliary, rail assembly 5b has two screw mandrels (inner side screw mandrel 52b and outside screw mandrel 52b '), front steering part 211 is positioned at the front end of outside screw mandrel 52b ', after rear steering part 212 is positioned at inner side screw mandrel 52b End.Described front steering part 211 includes the first front steering part being respectively arranged on the first slide track component 1a, the second slide track component 1b 211a and the second front steering part 211b, described rear steering part 212 includes being respectively arranged on the first slide track component 1a, the second slide rail The first rear steering part 212a and the second rear steering part 212b of assembly 1b.Described fixture includes the institute laying respectively at correspondence State slide track component 1 close and far from the inner side fixture 22 of drawer accommodation space both sides and outside fixture 22 ', described in Side fixture 22 includes inner side the first upper fixing element 221a and first time, the inner side fixture being located on the first slide track component 1a 222a, inner side the second upper fixing element 221b being located on the second slide track component 1b and second time, inner side fixture 222b；Institute Outside stating, fixture 22 ' includes that outside the first upper fixing element 221a ' being located on the first slide track component 1a and outside are consolidated for first time Locking member 222a ', outside the second upper fixing element 221b ' of being located on the second slide track component 1b and second time, outside fixture 222b’；Described tensioner 23 includes through the first front steering part 211a and connects first time, outside fixture 222a ' with outer First tensioner of side the first upper fixing element 221a ', sequentially passes through the first rear steering part 212a, the second rear steering part 212b And second tensioner of first time fixture 222a and inner side the second upper fixing element 221b inside connecting, sequentially pass through first Rear steering part 212a and the second rear steering part 212b also connects inner side the first upper fixing element 221a and second time, inner side fixture 3rd tensioner of 222b, through the second front steering part 211b and connect the second time fixture 222b ' in outside and outside second 4th tensioner of upper fixing element 221b '.Now, the second tensioner and the 3rd tensioner be positioned at the first slide track component 1a and The inner side of the second slide track component 1b, the first tensioner and the 4th tensioner are positioned at the first slide track component 1a and the second slide rail group The outside of part 1b.Other explanations of present embodiment are referred to the explanation of other parts of this specification, do not repeat them here.

As shown in Figure 13-Figure 17, in third embodiment of the invention, described sliding track mechanism 100 also includes so that first Slide track component 1a and the second slide track component 1b keeps synchronization-moving lazy-tongs 2, and lazy-tongs 2 include and two groups of slide rails Assembly 1 coordinate two groups auxiliary in rail assembly 5c, be located at the tumbler 21 of rail assembly 5c in described auxiliary, tensioner 23 And it is located at the fixture 22 of two groups of slide track components 1, in each described auxiliary, rail assembly 5c is positioned at the described slide rail group of correspondence Part 1 is wound on the fixture of two slide track components 1 away from the side of upper rail 11, described tensioner 23 by tumbler 21 Between 22 so that when the upper rail 11 of the first slide track component 1a or middle rail 12 move, described tensioner 23 passes through fixture The 22 upper rail 11 driving the second slide track component 1b or middle rail 12 displacement same distance in the same direction.It is to say, in this enforcement In mode, in auxiliary, rail assembly 5c is positioned at the downside of slide track component 1.It should be noted that the slide rail machine of present embodiment Structure 100 is applicable to sliding track mechanism and is positioned at the situation of drawer side, and now the downside of slide track component 1 has remaining space to accommodate Rail assembly 5c in auxiliary, and the sliding track mechanism of the first embodiment and the second embodiment is applicable to sliding track mechanism 100 and is positioned at The situation of drawer bottom, but be not limited thereto.

Here, on the basis of prior art three saves slide rail, add rail assembly 5c in auxiliary, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5c, does not contacts each other between tumbler 21 and three joint slide rails, say, that Now the sliding trace of tumbler 21, the motion track of tensioner 23 and three joint slide rails does not overlaps each other, even if upper rail 11, Gap between lower rail 13 reduces because of abrasion, does not also interfere with the normal operation of tumbler 21 in lazy-tongs 2, Can effectively solve the problem that in prior art, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, this enforcement Mode can utilize three joint rail structures common on market, it is only necessary to coordinates rail assembly in auxiliary with low cost, from And it is possible not only to simplify manufacture difficulty, it is also possible to it is substantially reduced production cost.It should be noted that present embodiment is by auxiliary Helping middle rail assembly 5c to be arranged at the lower section of slide track component 1, in now assisting, the setting of rail assembly 5c can't have influence on and take out The volume of drawer.

In each auxiliary, rail assembly 5c includes an a limit base 51c and screw mandrel 52c, and described screw mandrel 52c is movably Being arranged in described limit base 51c, described screw mandrel 52c connects described tumbler 21, when described upper rail 11 or middle rail 12 Time mobile, described limit base 51c remains stationary as, described screw mandrel 52c and described tumbler 21 the most described common limit base 51c is orthokinetic.Here, gripper shoe 55c is one-body molded with angle bar 6, the upper surface of gripper shoe 55c and lower rail 13 Lower surface contacts, and limit base 51c is in " recessed " shape, and the bottom surface of limit base 51c is connected to the bottom of gripper shoe 55c.Limit Position seat 51c also includes protruding out the first insertion end 511c and second of bottom surface and inserts end 512c, first insert end 511c and Second opening inserting end 512c extends in the horizontal direction, and screw mandrel 52c is limited in described first and inserts end 511c and described Second inserts in end 512c.Present embodiment arranges, by limit base 51c's, the mobile side that can effectively control screw mandrel 52c To so that the moving direction of screw mandrel 52c keeps consistent, namely with the moving direction of described upper rail 11 and/or middle rail 12 Saying, the axis of screw mandrel 52c and tensioner 23 are parallel and in same perpendicular.

In the present embodiment, front steering part 211 is positioned at the front end of screw mandrel 52c, and rear steering part 212 is positioned at screw mandrel 52c Rear end, described front steering part 211 includes being respectively arranged on the first slide track component 1a, first forward of the second slide track component 1b To part 211a and the second front steering part 211b, described rear steering part 212 include being respectively arranged on the first slide track component 1a, The first rear steering part 212a and the second rear steering part 212b of two slide track component 1b.Described fixture 22 by upper rail 11 and Lower rail 13 (or gripper shoe 55c) extends on the downside of gripper shoe 55c, and fixture 22 includes being located at the first slide track component 1a On the first upper fixing element 221a and first time fixture 222a, the second upper fixing element of being located on the second slide track component 1b 221b, described tensioner 23 is divided into three sections by three fixtures 22: through the first front steering part 211a and connect first Lower fixture 222a and first tensioner of the first upper fixing element 221a, sequentially pass through the first rear steering part 212a, second Rear steering part 212b and the second front steering part 211b also connects the first upper fixing element 221a's and the second upper fixing element 221b Second tensioner, sequentially passes through the second rear steering part 212b and the first rear steering part 212a and connects the second upper fixing element 221b The 3rd tensioner with first time fixture 222a.Described first tensioner, the second tensioner and the 3rd tensioner are led to each other Cross fixture 22 to be connected, form the loop of a Guan Bi.Certainly, described fixture 22 may also comprise and is located at the first cunning The first upper fixing element 221a on rail assembly 1a and first time fixture 222a, second be located on the second slide track component 1b Upper fixing element 221b and second time fixture 222b, now, tensioner 23 include the first tensioner, the second tensioner, 3rd tensioner and the 4th tensioner.Other explanations of present embodiment are referred to the explanation of other parts of this specification, Do not repeat them here.

In an embodiment of the present invention, include the first tensioner, the second tensioner, the 3rd tensioner with tensioner 23 As a example by, and as a example by the sliding track mechanism 100 in the first embodiment, the sliding track mechanism 100 of other embodiments also can be fitted With, describe in detail the most one by one at this.As shown in Figure 18 and Figure 19, described sliding track mechanism 100 also includes electric machine assembly 3, Described electric machine assembly 3 has winding or discharges the first connection end 31 and the second connection end 32 of described tensioner 23, Two parts being positioned at same fixture 22 both sides front and back in described tensioner 23 are intertwined and connected respectively in described first connection End 31 and second connects on end 32, connects end 32 by the first connection end 31 and second when described electric machine assembly 3 works Middle one shrinks described tensioner 23, another one discharges described tensioner 23 and described tensioner 23 is moved, and then Driving described middle rail 12 and upper rail 11 to move by fixture 22, described drawer can realize automatically taking out under the driving of motor Draw, easy to use.

In the present embodiment, fixed part 221 include being fastened in the upper holding firmware 2211 on described upper rail 11 and The capstan nut 2212 matched with upper holding firmware, described upper strata tensioner 231 is through at the hole of described capstan nut 2212 Interior fixed.Described lower fixture 222 include the lower holding firmware 2221 being fastened on described lower rail 13 and be located at described under First guide 2222 and the second guide 2223 on holding firmware 2221, described lower floor tensioner 232 is by the first guide 2222 and second guide 2223 guide described electric machine assembly 3, described lower floor tensioner 232 to be fixed.For convenience Understanding the structure of lower fixture 222, the first guide 2222 of described lower fixture 222 and the second guide 2223 are not Move with described lower holding firmware 2221, still fixed together with tensioner 23.The hole of capstan nut 2212 with described on Tumbler 2121 is located parallel on the same straight line of screw mandrel 52, and the first guide 2222, second cooperated guides Part 2223, lower holding firmware 2221 are located parallel on the same straight line of screw mandrel 52, therefore with described lower tumbler 2122 Described tensioner 23 all remains parallel to described screw mandrel 52 before and after fixed part 221 is fixing with lower fixture 222 Same straight line on.

Described sliding track mechanism 100 also includes the controller controlling the work of described electric machine assembly 3, when described controller receives Control described electric machine assembly 3 when pulling out or advance the signal of described drawer to work.Described electric machine assembly 3 includes can be forward and reverse Rotate motor, by motor drive and adjustable rotational speed travelling gear, by travelling gear drive rotate curled hair cylinder.Institute State the first connection end 31 and the second connection end 31 may be contained within described curled hair cylinder, and be positioned at same in described tensioner 23 Before and after one fixture 22, two parts reverse-winding respectively of both sides connects end 31 and second described first and connects end 32 On.Therefore, when described curled hair cylinder rotates around a direction, first connects end 31 and second connects one receipts in end 32 Contract described tensioner 23, another one discharge described tensioner 23 and described tensioner 23 is moved.

Described first connect end 31 and second connect end 32 respectively with first time fixture 222a before and after first of both sides Tight part and the 3rd tensioner are intertwined and connected mutually.Described first time fixture 222a has respectively by the first tensioner and the 3rd Tight part guides described first and connects end 31 and the first guide 2222 and the second guide 2223 of the second connection end 32. Described sliding track mechanism 100 also includes being located at the first lining that the first guide 2222 is connected between end 31 with first and (does not marks Show), the described tensioner 23 part between the first guide 2222 and electric machine assembly 3 is arranged in described first lining In, the described tensioner 23 length between the first guide 2222 and electric machine assembly 3 more than the first guide 2222 with Distance between electric machine assembly 3；Described sliding track mechanism 100 also includes that being located at the second guide 2223 is connected end with second The second lining (sign) between 32, described tensioner portion between the second guide 2223 and electric machine assembly 3 Divide and be arranged in described second lining, and described tensioner 23 is between the second guide 2223 and electric machine assembly 3 Length is more than the distance between the second guide 2223 and electric machine assembly 3.Therefore, described lazy-tongs 2 and motor are facilitated Assembly 3 coordinates to be installed.

Certainly, described first tensioner, the second tensioner, the 3rd tensioner can be by 23, two tensionings of a tensioner Part 23 or three tensioner 23 form.In order to simplify assembling procedure, reduce cost, the present embodiment uses a tensioning Part 23, the initiating terminal of described tensioner 23 be intertwined and connected in first connect end 31, end sequentially pass through the first guide 2222, First front steering part 211a, the first upper fixing element 221a, the first rear steering part 212a, the second rear steering part 212b, Two front steering part 211b, the second upper fixing element 221b, the second rear steering part 212b, the first rear steering part 212a and second The second connection end 32 it is connected to after guide 2223.

When motor rotates forward, the first tensioner is wound on described curled hair cylinder, if a length of a being wound around, is then positioned at The upper strata tensioner 231 of the first slide track component 1a is to driving front distance a, owing to turning after the first front steering part 211a and first Distance between part 212a is fixing, and tensioner 23 is at the first front steering part 211a and the second rear steering part 212b Between distance be fixing, lower floor's tensioner of the most described second slide track component 1b 232 is by the second front steering part 211b, the second rear steering part 212b and the first rear steering part 212a pass to the upper strata tensioner 231 of the first slide track component 1a Dynamic distance a；Again because distance between the second front steering part 211b and the second rear steering part 212b is fixing, therefore the The upper strata tensioner 231 of two slide track component 1b to lower floor's tensioner 232 transmission distance a, the first slide track component 1a simultaneously Lower floor's tensioner 232 by the first front steering part 211a, the first rear steering part 212a and the second front steering part 211b, Second rear steering part 212b is to upper strata tensioner 231 transmission distance a of the second slide track component 1b, and the 3rd tensioner is from described A length of a is discharged on curled hair cylinder.

The upper strata tensioner 231 of the first slide track component 1a is respectively by the first upper fixing element 221a, first time fixture 222a It is fixed on rail 11a on first, first time rail 13a；The upper strata tensioner 231 of the second slide track component 1b is passed through on second Fixture 221b is fixed on second on rail 11b.The length of the first tensioner, the second tight part and the 3rd tensioner is all simultaneously It is fixing.When the first tensioner is to curled hair cylinder coiling length a, the upper strata tensioner 231 of the first slide track component 1a to Lower floor's tensioner 232 transmission distance a, upper rail 11 stress of the first slide track component 1a pulls out distance a；Second slide rail Lower floor's tensioner 232 of assembly 1b is to upper strata tensioner 231 transmission distance a of the first slide track component 1a, the second slide rail group The upper strata tensioner 231 of part 1b to lower floor's tensioner 232 transmission distance a of the second slide track component 1b, therefore rail on second 11b also pulls out distance a.Meanwhile, the 3rd tensioner release distance a from curled hair cylinder, refrigerator is to the second slide track component Upper strata tensioner 231 transmission distance a of 1b, owing to the length of the 3rd tensioner is fixing, therefore the second slide track component The second rear steering part 212b of 1b pulls out forward.

Certainly, also include, when described fixture 22, second time fixture being located on the lower rail 13 of the second slide track component 1b During 222b, it is possible to coordinate above-mentioned electric machine assembly 3.It should be noted that the drawer of present embodiment also can be manually opened, Also the synchronization that can be realized drawer by the running of lazy-tongs 2 is passed in and out, and electric machine assembly 3 only there is provided an automatic shutter Active force, therefore, omits electric machine assembly, and drawer remains to realize manually synchronizing turnover.

In another embodiment of the present invention, include the first tensioner, the second tensioner, the 3rd tensioning with tensioner 23 As a example by part and the 4th tensioner, as shown in Figure 20 and Figure 21, described electric machine assembly 3 includes being intertwined and connected described first Tight part and the first electric machine assembly 33 of the 4th tensioner, and the second electricity of be intertwined and connected the 3rd tensioner and the second tensioner Thermomechanical components 34, described first electric machine assembly 33 shrinks or discharges the first tensioner and the 4th tensioner, the second motor respectively Assembly 34 shrinks respectively or discharges the 3rd tensioner and the second tensioner, so that described tensioner 23 moves, and then Described middle rail 12 and upper rail 11 is driven to move by fixture 22.

The electric machine assembly 3 of present embodiment refers to an embodiment, at this no longer with the mated condition of tensioner 23 Repeat.

Further, in the present embodiment, after lazy-tongs 2 described in ginseng Figure 22 and Figure 23 also include being arranged at two Tensioning sleeve 24 between tumbler 212, is provided with adjusting part 4, institute at least one of two rear steering parts 212 State adjusting part 4 to be flexibly connected with described tensioning sleeve 24, when described adjusting part 4 is in and tightens state, described tensioning The set 24 described tensioner 23 of drive is moved away from described adjusting part 4 until described tensioner 23 is at two rear steering parts Length between 212 is more than the distance between two rear steering parts 212, and described tensioner 23 is at described tensioning sleeve 24 Other outer parts are constantly in tension so that when the upper rail 11 of the first slide track component 1a or middle rail 12 move, institute State tensioner 23 and driven upper rail 11 or the middle rail 12 displacement same distance in the same direction of the second slide track component 1b by fixture 22.

Here, compared to the embodiment without tensioning sleeve 24, the described tensioner 23 length between two rear steering parts 212 Degree is more than the distance between two rear steering parts 212；It is easily installed, and does not worries that described tensioner 23 is in described tensioning Other parts outside set 24 can relax.It addition, for the ease of the installation of tensioner 23, typically can provide longer Tensioner 23, after tensioner 23 is assembled on fixture 22 and tumbler 21, tensioner 23 is easily in lax shape State, present embodiment utilizes adjusting part 4 can effectively regulate the elasticity of other tensioner 23 outside tensioning sleeve 24, Make other tensioner 23 outside tensioning sleeve 24 remain tensioned state, thus improve synchronicity and stability.

In the concrete example of the present invention one, described adjusting part 4 is arranged on the rear steering part 212 of the second slide track component 1b In, there is not adjusting part in the rear steering part of the first slide track component 1a, certainly, in other examples, in order to improve tune Adjusting range and regulation convenience, it is possible in two rear steering parts 212, be respectively provided with adjusting part 4.

Rear steering part 212 is fixed on the rear end of screw mandrel 52, in the first slide track component 1a side, described by pedestal 213 Retaining collar 25, described retaining collar 25 and described silk it is provided with between tight set 24 and described tensioner 23 pedestal 213 Bar 52 is vertical, and the described tensioner 23 part in described retaining collar 25 extends past rear steering part with from this part After 212, another part of the most close rear steering part 212 is perpendicular and in the same plane, so that described Tight part 23 runs smooth and easy during slide rail opens or closes, and saves the strength；Described tensioner 23 can be reduced to walk around simultaneously Abrasion when described rear steering part 212 moves, extends the life-span.

In the second slide track component 1b side, as shown in figure 12, described adjusting part 4 is positioned at described pedestal 213, described Adjusting part 4 includes that adjusting part 4a and lower adjusting part 4b, upper adjusting part 4a coordinate with upper tumbler 2121, For regulating the length of the tensioner 23 through upper tumbler 2121, described lower adjusting part 4b and lower tumbler 2122 Coordinate, for regulating the length of the tensioner 23 through lower tumbler 2121.Below.Come as a example by following adjusting part 4b The structure of adjusting part is described in detail in detail.

As shown in figure 13, described pedestal 213 has the first opening 2131 and the second opening 2132 being mutually perpendicular to and turning on, The end of described tensioning sleeve 24 is positioned at described second opening 2132, and is arranged in the tensioner in described tensioning sleeve 24 23 through lower tumbler 2122 and are extended to the first opening 2131 by the second opening 2132, and by the first opening 2131 Stretch out and be fixed at fixture 22.It should be noted that upper adjusting part 4a and first opening of lower adjusting part 4b 2131, the second opening 2132 can be the opening of mutually isolation, to avoid getting lines crossed.

Concrete, described adjusting part 4 includes pin member 41 and the synchronization top spring 42 driving described pin member 41 to move, Being formed with one first protuberance 2133 on described pedestal 213, described pin member 41 is hollow structure, and described pin member 41 Inwall on be formed with the second protuberance 411, described first protuberance 2133 encloses with described second protuberance 411 and is set as a receiving chamber (sign), the described top spring 42 that synchronizes just is placed in described receiving intracavity.Here, the first protuberance 2133 and second Protuberance 411 is non-fully enclosed construction, tensioner 23 can sequentially pass through second protuberance the 411, first protuberance 2133, under Tumbler 2122 also extends at the first opening 2131.

The described top spring 42 that synchronizes has the first end 421 and the second end 422 being oppositely arranged, and described tensioning sleeve 24 has and leans on The nearly described first end 241 synchronizing top spring, described first end 421 abuts described first protuberance 2133, described second end 422 and described first end 241 be connected to the both sides of described second protuberance 411 respectively.Here, due to tensioning sleeve 24 Diameter is more than the diameter of tensioner 23, and tensioning sleeve 24 is supported at the second protuberance 411 by available diameter difference, and tensioning Part 23 just can pass the second protuberance 411.

When described adjusting part 4 is in original state, described tensioning sleeve 24 supports the second protuberance 411, so that with The step top spacing receiving intracavity surrounded at the first protuberance 2133 and the second protuberance 411 of spring 42, pin member 41 does not moves.

When described adjusting part 4 is in and tightens state, described tensioning sleeve 24 drives tensioner 23 to move towards A direction, Tensioning sleeve 24 departs from the second protuberance 411, and meanwhile, the active force synchronizing top spring 42 is also disappeared by the second protuberance 411, this Time synchronize top spring 42 can promote the second protuberance 411 towards A direction move, say, that now synchronize top spring 42 drive Pin member 41 moves towards A direction, until the second protuberance 411 supports tensioning sleeve 24 again.By above-mentioned regulation process, Tensioner 23 on the left of tensioning sleeve 24 is pulled a segment distance to A direction, and described tensioner 23 is at two rear steering parts Length between 212 is more than the distance between two rear steering parts 212, say, that now, tensioner 23 is unnecessary Length has been consumed, and other outside described tensioning sleeve 24 of described tensioner 23 are partially in tensioned state.

In the present embodiment, described lazy-tongs 2 also include inserted sheet 26, and the outer wall of described pin member 41 is formed Some slots 412, are formed with at least one socket 2134 at the corresponding slot 412 of described pedestal 213, and described inserted sheet 26 passes Described socket 2134 also makes described pin member 41 be relatively fixed with described pedestal 213 in inserting described slot 412. Here, when needs regulation tensioner 23 length, inserted sheet 26 is extracted so that pin member 41 can be transported with opposite base 213 Dynamic, after regulation completes, insert inserted sheet 26, with the position of Fixed latches part 41.

In the present embodiment, one end of described pin member 41 is also formed with positive stop end 413, and described pedestal 213 is formed There is the confined planes 2135 coordinated with described positive stop end 413, when described pin member 41 moves to extreme position, described limit Position end 413 moves towards described confined planes 2135 until described positive stop end 413 interferes with each other with described confined planes 2135. Here, confined planes 2135 and the setting of positive stop end 413, on the one hand, pin member 41 can be avoided de-in motor process From pedestal 213, on the other hand, it is possible to limit the mobile range of pin member 41.

The present invention also provides for a kind of refrigerator, including sliding track mechanism 100 as above.

In sum, the sliding track mechanism 100 of the present invention, tensioner 23 is wound on two slide track components 1 by tumbler 21 Between fixture 22, and the upper rail 11 of described tensioner 23 one of them slide rail of interconnection and another slide track component 1 time Rail 13 so that when the upper rail 11 of the first slide track component 1a or middle rail 12 move, described tensioner 23 is driven by fixture 22 The upper rail 11 of the second slide track component 1b or middle rail 12 displacement same distance in the same direction, it is achieved the synchronizing moving of two groups of slide track components 1, Avoid the deflection caused because of the most uneven in draw process or wave phenomenon, and can optional position in draw process Locking drawer, whole during muting function good；Rail assembly 5 in being assisted by increase, and tumbler 21 is arranged in auxiliary On rail assembly 5, between upper rail 11, lower rail 13, the change in gap does not interferes with the normal operation of tumbler 21, thus ensures The stability of lazy-tongs 2；By cooperating of electric machine assembly 3 and lazy-tongs 2, when described electric machine assembly 3 works, The described tensioner 23 being connected to described electric machine assembly 3 is moved, and then drives described middle rail 12 and upper by fixture 22 Rail 11 moves, it is achieved pull drawer automatically, easy to use；By arranging adjusting part 4, can effectively regulate tensioner 23 Elasticity, improve Consumer's Experience.

It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one Independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say Bright book can also form those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment May be appreciated other embodiments.

The a series of detailed description of those listed above is only for illustrating of the feasibility embodiment of the present invention, They also are not used to limit the scope of the invention, all without departing from the skill of the present invention equivalent implementations made of spirit or Change should be included within the scope of the present invention.

Claims

1. a sliding track mechanism, pulls out in casing for drawer or advances, including the first slide track component and second being oppositely arranged Slide track component, each slide track component has the upper rail being mutually slidably matched, middle rail and lower rail, it is characterised in that: described slide rail machine Structure also includes that lazy-tongs include and two groups so that the first slide track component and the second slide track component keep synchronization-moving lazy-tongs Rail assembly in two groups of auxiliary that slide track component coordinates, it is located in described auxiliary the tumbler of rail assembly, tensioner and is located at two groups The fixture of slide track component, described tensioner is wound between the fixture of two slide track components by tumbler；Described tumbler Including being individually fixed in front steering part and the rear steering part of rail assembly front and back end in each auxiliary, described lazy-tongs also include arranging Between two rear steering parts and the tensioning sleeve that is sheathed on outside tensioner, at least one of two rear steering parts, it is provided with regulation Assembly, described adjusting part is flexibly connected with described tensioning sleeve, when described adjusting part is in and tightens state, described tensioning sleeve Drive described tensioner away from the motion of described adjusting part until described tensioner length between two rear steering parts is more than two Distance between rear steering part, and other parts that described tensioner is outside described tensioning sleeve are constantly in tension so that When the upper rail of one slide track component or middle rail move, described tensioner drives the upper rail of the second slide track component or middle rail same by fixture To displacement same distance.

Sliding track mechanism the most according to claim 1, it is characterised in that: in each described auxiliary, rail assembly includes at least one limit Position seat and at least one screw mandrel, described screw mandrel is movably disposed in described limit base, and described screw mandrel connects described tumbler, when When described upper rail or middle rail move, described limit base remains stationary as, described screw mandrel and described tumbler the most described common limit base Orthokinetic.

Sliding track mechanism the most according to claim 2, it is characterised in that: described limit base is fixedly arranged on described lower rail or casing.

Sliding track mechanism the most according to claim 2, it is characterised in that: the axis of described screw mandrel is parallel with described tensioner.

Sliding track mechanism the most according to claim 1, it is characterised in that described rear steering part includes hollow base, described base Seat is connected with rail assembly in described auxiliary, and described adjusting part is positioned at described pedestal, and wherein, described pedestal has and is mutually perpendicular to And conducting the first opening and the second opening, the end of described tensioning sleeve is positioned at described second opening part, and is arranged in described tensioning Tensioner in set is extended to the first opening by the second opening.

Sliding track mechanism the most according to claim 5, it is characterised in that described adjusting part includes pin member and drives described The synchronization top spring of pin member motion, when described adjusting part is in original state, spacing described synchronization of described tensioning sleeve pushes up spring, When described adjusting part is in and tightens state, described tensioning sleeve departs from the described top spring that synchronizes away from the motion of described adjusting part, The described top spring that synchronizes drives described pin member towards tensioning sleeve motion until described tensioning sleeve supports described synchronization top spring.

Sliding track mechanism the most according to claim 6, it is characterised in that be formed with one first protuberance on described pedestal, described Pin member is to be formed with the second protuberance on hollow structure, and the inwall of described pin member, and described synchronization top spring has and is oppositely arranged First end and the second end, described tensioning sleeve has near the described first end synchronizing top spring, and described first end abuts described first Protuberance, described second end and described first end are connected to the both sides of described second protuberance respectively, when described adjusting part is in tune During tight state, described tensioning sleeve drives described inserting away from described second protuberance motion, the described top spring that synchronizes by described second protuberance Pin member is moved towards described tensioning sleeve.

Sliding track mechanism the most according to claim 6, it is characterised in that described lazy-tongs also include inserted sheet, described latch Being formed with some slots on the outer wall of part, be formed with at least one socket at described pedestal correspondence slot, described inserted sheet is inserted through described Mouthful and insert and described pin member be relatively fixed with described pedestal in described slot.

Sliding track mechanism the most according to claim 6, it is characterised in that one end of described pin member is formed with positive stop end, institute State and on pedestal, be formed with the confined planes coordinated with described positive stop end, when described pin member moves to extreme position, described positive stop end Move until described positive stop end interferes with each other with described confined planes towards described confined planes.

10. a refrigerator, it is characterised in that include the sliding track mechanism as described in any one in claim 1-9.