CN106052288A

CN106052288A - Sliding rail mechanism and refrigerator with sliding rail mechanism

Info

Publication number: CN106052288A
Application number: CN201610357116.XA
Authority: CN
Inventors: 陆日勇; 费斌; 刘金林; 刘竹青
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2016-05-25
Filing date: 2016-05-25
Publication date: 2016-10-26
Anticipated expiration: 2036-05-25
Also published as: CN106052288B; WO2017202048A1

Abstract

The invention discloses a sliding rail mechanism and a refrigerator with the sliding rail mechanism. Each sliding rail assembly is provided with an upper rail, a middle rail and a lower rail which are in sliding fit with one another. The sliding rail mechanism further comprises a synchronous mechanism and motor assemblies. The synchronous mechanism comprises two auxiliary middle rail assemblies, steering pieces arranged on the auxiliary middle rail assemblies, tensioning pieces and fixing pieces arranged on two sliding rail assemblies, and the tensioning pieces are arranged between the fixing pieces of the two sliding rail assemblies through the steering pieces in a winding manner. Each motor assembly is provided with a first connecting end and a second connecting end which are used for winding or releasing the corresponding tensioning piece, wherein the two parts, located on the front side and the rear side of the same fixing piece, of each tensioning piece are connected to the corresponding first connecting end and the corresponding second connecting end in a winding manner. When each motor assembly works, one of the first connecting end and the second connecting end is used for tightening the corresponding tensioning piece, and the other one of the first connecting end and the second connecting end is used for releasing the corresponding tensioning piece and making the corresponding tensioning piece move. According to the sliding rail mechanism and the refrigerator, the auxiliary middle rail assemblies are additionally arranged, the steering pieces are arranged on the auxiliary middle rail assemblies, the steering pieces cannot be influenced by the gap changes of the upper rails and the lower rails, and meanwhile automatic drawer drawing is achieved.

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 during use Noise: existing three joint slide rails, in employing, rail first runs, when upper rail range ability culminates, rail and middle rail in employing Stopping means contact-impact, pulls out middle rail；In same employing, rail and the stopping means contact-impact of lower rail, reach middle rail and led The distance drawn arrives limit；And stopping means produces making an uproar of " pedaling, pedal " with middle rail, middle rail at upper rail in lower rail contact impact Sound, brings high frequency noise to user.Secondly, double swerve is produced during use: existing three joint slide rails are in actual applications The mode that many employings are paired, and use the method for operation of foregoing description, the transmission between three joint slide rails simultaneously uses some steel balls to make For carriage between each rail；Therefore, three joint slide rails can not pin each other, front and back reserves reduction space, in actual use, draws Active force when going out and the direction of slide rail running force, not on the centrage of slide rail, cause the dress by a pair three joint slide rail pull-outs The face of putting there will be tandem sight, and optional position after pull-out, when both hands use both sides amount of force different, The phenomenon rolled can be produced, bring potential safety hazard to user.

On market, existing three joint slide rails are affected, between upper rail and lower rail by cost, standard technology control and reliability Clearance distance typically at 2mm.In prior art, the application for a patent for invention such as this department Application No. CN201410372586.4 is Example, can increase lazy-tongs in three joint slide rails and pass in and out with the synchronization realizing two wood side-guides, and 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 Need to be arranged in the gap of 2mm.It addition, for the intensity ensureing pedestal, pedestal is unsuitable with the size of the connecting portion that middle rail is connected That does is the least, is 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, under Spacing between rail and connecting portion the most substantially 0.1mm.In practice, along with the increase of three joint slide rail access times, internal Steel ball 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 Spacing between upper rail and lower rail and pedestal connecting portion is minimum, and now, the reduction of clearance distance is easily caused rail and/or lower rail And produce between pedestal connecting portion and interfere, even produce stuck phenomenon.Therefore, three joint slide rail reliabilities of the prior art exist Problem.

It addition, hand switch drawer can make Consumer's Experience the best, and user's hand switch is easily damaged lazy-tongs.

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, for drawer at case Internal pull-out or propelling, including the first slide track component being oppositely arranged and the second slide track component, each slide track component has mutually The upper rail being slidably matched, middle rail and lower rail, described sliding track mechanism also includes so that the first slide track component and the second slide track component are same The lazy-tongs of moved further and electric machine assembly, rail assembly in two groups of auxiliary that lazy-tongs include coordinating with two groups of slide track components, Being located at the tumbler of rail assembly, tensioner in described auxiliary and be located at the fixture of two groups of slide track components, described tensioner is led to Cross between the fixture that tumbler is wound on two slide track components so that when the upper rail of the first slide track component or middle rail move, institute State tensioner and drive the upper rail of the second slide track component or middle rail displacement same distance in the same direction by fixture；Described electric machine assembly has There is winding or discharge the first connection end and the second connection end of described tensioner, described tensioner is positioned at same fixture Front and back two parts of both sides are intertwined and connected respectively and connect on end and the second connection end described first, and described electric machine assembly works Time connect end and second by first and connect that one in end shrinks described tensioner, another one discharges described tensioner and makes institute State tensioner to move, and then drive described middle rail and upper rail to move by fixture.

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 When upper rail or middle rail move, described limit base remains stationary as, and described screw mandrel and described tumbler the most described common limit base are same To movement.

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 fixture include being located on the first slide track component the One upper fixing element and first time fixture, the second upper fixing element being located on the second slide track component；Described tumbler includes being located at Coordinate the first front steering part and the first rear steering part of rail assembly in the auxiliary of the first slide track component, be located at cooperation the second slide rail group Second front steering part of rail assembly and the second rear steering part in the auxiliary of part；Described tensioner includes through the first front steering part also Connect first time fixture and the first tensioner of the first upper fixing element, sequentially pass through the first rear steering part, the second rear steering part And the second front steering part connect the second tensioner of the first upper fixing element and the second upper fixing element, sequentially pass through the second rear steering Part and the first rear steering part also connect the 3rd tensioner of the second upper fixing element and first time fixture, described first connect end and Second connect end respectively with first time fixture before and after the first tensioner of both sides and the 3rd tensioner be intertwined and connected mutually.

As the further improvement of an embodiment of the present invention, described first time fixture has respectively by the first tensioner Guide described first with the 3rd tensioner and connect end and the first guide of the second connection end and the second guide.

As the further improvement of an embodiment of the present invention, described sliding track mechanism also includes being located at the first guide and the One connects the first lining between end, and described tensioner part between the first guide and electric machine assembly is arranged in described the In one lining, described tensioner length between the first guide and electric machine assembly more than the first guide and electric machine assembly it Between distance；Described sliding track mechanism also includes the second lining being located between the second guide and the second connecting portion, described tensioning Part part between the second guide and electric machine assembly is arranged in described second lining, and described tensioner is being led second To the length between part and electric machine assembly more than the distance between the second guide and electric machine assembly.

As the further improvement of an embodiment of the present invention, described electric machine assembly include can forward and reverse rotation motor, Adjusting the travelling gear of rotating speed, driven the curled hair cylinder rotated by travelling gear, described first connection end and second connects end and is all provided with It is placed on described curled hair cylinder, and in described tensioner, is positioned at two parts reverse-windings respectively of both sides before and after same fixture Connect end and second described first to connect on end.

As the further improvement of an embodiment of the present invention, described tumbler includes being fixed on rail assembly in each auxiliary The front steering part of front and back end and rear steering part, described fixture includes the of upper rail and the lower rail being respectively arranged on the first slide track component One upper fixing element and first time fixture, the upper rail being respectively arranged on the second slide track component and second upper fixing element and second of lower rail Lower fixture, described tensioner includes through two rear steering parts and connects first time fixture and the first of the second upper fixing element Tensioner, through two rear steering parts the second tensioner of connecting the first upper fixing element and second time fixture, described motor Assembly includes being intertwined and connected respectively described first tensioner and the first electric machine assembly of the second tensioner and the second electric machine assembly, institute State the first electric machine assembly and the second electric machine assembly shrinks or discharges the first tensioner and the second tensioner respectively and makes described Tight part moves, and then drives described middle rail and upper rail to move by fixture.

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

Compared with prior art, the beneficial effects of the present invention is: the present invention increases rail assembly in auxiliary, and by tumbler Being arranged 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, meanwhile, by cooperating of electric machine assembly and lazy-tongs, described motor works Time so that the described tensioner being connected to described motor moves, and then drives described middle rail and upper rail to move by fixture, takes out Drawer realizes automatic pull, easy to use.

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 also It is not intended to the present invention, structure that those of ordinary skill in the art is made, method or functionally according to these embodiments Conversion is 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 taking out of other structures Draw, 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 rails Assembly 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 ", the representation space phase para-position such as "left", "right" The term put is in order to be easy to descriptive purpose to describe a unit or feature as shown in the drawings single 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 in work except side shown in figure Different azimuth beyond Wei.Such as, if overturn by the equipment in figure, then other unit or feature " lower section " it are described as being located at Or " under " unit will be located in other unit or feature " top ".Therefore, exemplary term " lower section " can include top and Both orientation, lower section.Equipment can otherwise be directed (90-degree rotation or other towards), and correspondingly explains herein The description language with space correlation used.

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 slide rail group Part 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 first cooperated Upper rail 11a, in first rail 12a and first time rail 13a, described second slide track component 1b have rail 11b on second cooperated, Rail 12b and second time rail 13b in second.Described lower rail 13 is fixed on casing by angle bar 6, and described upper rail 11 is fixed on drawer On, described middle rail 12 is equipped with between described upper rail 11 and lower rail 13；During use, described lower rail 13 maintains static, described In middle rail 12 can pull out or advance by relative lower rail 13 with upper rail 11, and then drive drawer pulls out or advances described casing, namely Saying, described lower rail 13 is orbit determination, and described middle rail 12 and upper rail 11 are 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 are relative at upper rail 11 or middle rail 12 Lower rail 13 can reduce friction during pulling out or advancing, laborsaving.Described upper townhouse ball 14 is positioned at opening of described upper rail 11 In mouth (sign), described lower townhouse ball 15 is positioned at the opening (sign) of described lower rail 13.Further, the described first line of a couplet Row's ball 14 includes the matrix (sign) being fastened on the upside of middle rail 12 and the some balls (sign) being located on matrix, 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, and lazy-tongs 2 include in the two groups of auxiliary coordinated with two groups of slide track components 1 Rail assembly 5, it is located at the tumbler 21 of rail assembly 5 in described auxiliary, tensioner 23 and is located at the fixture of two groups of slide track components 22, described tensioner 23 is wound on by tumbler 21 between the fixture 22 of two slide track components 1 so that the first slide track component When the upper rail 11 of 1a or middle rail 12 move, described tensioner 23 by fixture 22 drive the second slide track component 1b upper rail 11 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 turning lazy-tongs 2 It is arranged in auxiliary on rail assembly 5 to part 21, does not contacts each other between tumbler 21 and three joint slide rails, say, that now turn Sliding trace to part 21, the motion track of tensioner 23 and three joint slide rails does not overlaps each other, even if between upper rail 11, lower rail 13 Gap reduce because of abrasion, do not interfere with the normal operation of tumbler 21 in lazy-tongs 2 yet, can effectively solve existing The problem that in technology, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, present embodiment can utilize on market common Three joint rail structures, it is only necessary to coordinate rail assembly in auxiliary with low cost, thus be possible not only to simplify manufacture difficulty, and also Production cost can be substantially reduced.

In the present embodiment, in the lump refering to Fig. 4 and Fig. 5, in each described auxiliary, rail assembly 5 includes at least one limit base 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 connects described turning To part 21, when described upper rail 11 or middle rail 12 move, described limit base 51 remains stationary as, described screw mandrel 52 and described tumbler 21 the most described common limit bases 51 are orthokinetic.Here, described tumbler 21 includes pedestal 213 (213 ') and is arranged at pedestal Wheel disc (sign) in 213, described tensioner 23 is set around at described wheel disc, described screw mandrel 52 and described pedestal 213 (213 ') interfix, and can be interfixed by latch 53 and/or bolt part 54, turn between screw mandrel 52 and pedestal 213 (213 ') Do not contact between three joint slide rails to part 21, screw mandrel 52.It should be noted that the screw mandrel 52 of present embodiment has certain strong Degree, it is unlikely to deform, and connects tumbler 21 by screw mandrel 52, can effectively guide the motion of tumbler 21, it addition, by spacing Spacing to screw mandrel 52 of seat 51, can effectively control the moving direction of screw mandrel 52 so that the moving direction of screw mandrel 52 with described on The moving direction of rail 11 and/or middle rail 12 keeps consistent, say, that the axis of screw mandrel 52 and tensioner 23 parallel and in In same perpendicular.

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 Fagging 55, and being fixedly arranged in gripper shoe 55 by limit base 51, gripper shoe 55 can be connected, one with lower rail 13 or casing or angle bar 6 In 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 movement of screw mandrel 52 Direction, 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, upper in gripper shoe 55 Forming a horizontal-extending stopper slot 56 on surface, stopper slot 56 is fitted to each other with screw mandrel 52, when described screw mandrel 52 moves, and institute State stopper slot 56 and limit the moving direction of described screw mandrel 52.Described limit base 51 includes the first insertion end mutually separating setting 511 and second insert end 512, and described screw mandrel 52 is limited in described first and inserts in end 511 and described second insertion end 512, this In, the two ends of mutually separation are set, the limit base 51 limit effect to screw mandrel 52 can be effectively improved, simultaneously, it is possible to ensure screw mandrel 52 smoothness moved.

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, and described limit base 51 is positioned at Described front steering part 211 and the zone line of described rear steering part 212.Here, when a rail assembly 5 only silk in an auxiliary During bar 52, front steering part 211 and rear steering part 212 lay respectively at front end and the rear end of the same filament bar 52, before screw mandrel 52 drives Tumbler 211 and rear steering part 212 move together；When in an auxiliary, rail assembly 5 has the screw mandrel 52 more than, such as When in auxiliary, rail assembly 5 has two screw mandrels 52, front steering part 211 one of is located therein the front end of screw mandrel 52, rear steering part 212 It is located therein the rear end of another screw mandrel 52.It should be noted that described limit base 51 be positioned at described front steering part 211 and described after The zone line of tumbler 212, limit base 51 is positioned on the motion path of rear steering part 212, in order to ensure that rear steering part 212 can To move the most forward, limit base 51 is preferably arranged 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, described rear steering part 212 includes being respectively arranged on the first slide rail group Part 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 includes opening with lower floor with described upper strata tensioner 231 respectively Upper tumbler 2121 and the lower tumbler 2122 that tight part 232 matches, described upper strata tensioner 231, lower floor's tensioner 232 are passed through Wherein each extend over after the upper tumbler 2121 of a slide track component 1, lower tumbler 2122 to being fixed on another slide track component 1 Lower tumbler 2122 and upper tumbler 2121, by intersect the upper rail 11 that lays respectively at two groups of slide track components 1 in the way of linkage with under Rail 13.

Described front steering part 211 is the wheel disc (sign) walked around for tensioner 23, and it is installed in vertical, described on turn to Part 2121 and lower tumbler 2122 are the wheel disc (sign) walked around for tensioner 23, and it is in being horizontally mounted, described tensioner 23 It is positioned at same straight line with described tensioner 23 in the position of described upper tumbler 2121 in the extreme higher position of described front steering part 211 On so that described upper strata tensioner 231 is parallel to described screw mandrel 52；Described tensioner 23 is positioned at described front steering part 211 Lower position and the position being positioned at described lower tumbler 2122 are located parallel on the straight line of screw mandrel 52, so that described lower floor Tensioner 232 is parallel to described screw mandrel 52；So that described sliding track mechanism 100 runs 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 is between middle rail 12 front end, and described lower fixture 222 is always positioned at described lower rail 13 front end to middle rail 12 Between rear end, to avoid three joint slide rails to be mutually disengaged, to reduce the tensioner 23 abrasion at tumbler 21 and fixture 22, extend In service life, not affecting described sliding track mechanism 100 can pull out the effective length of casing by drawer simultaneously.

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, with In Shi Suoshu, the rear portion of rail 12 overlaps with the front portion of described lower rail 13, to strengthen slide track component 1 when open mode Literary composition stability, prevents drawer from rocking.Preferably, the fixed part 221 distance away from upper rail 11 rear end be described upper rail 11 with Middle rail 12 when fully opening described upper rail 11 rear end to the half of the distance of middle rail 12 front end；Described lower fixture 222 is away from lower rail The distance of 13 front ends be described lower rail 13 when fully opening with middle rail 12 described lower rail 13 rear end to the distance of middle rail 12 front end Half, does not affect described sliding track mechanism 100 and drawer can pull out the effective length of casing, and can avoid described tumbler 21 with Fixture 22 collides or rubs, and increases the service life.When slide track component 1 fully opens, it is assumed that upper rail 11 rear end in The distance of rail 12 front end is L, then upper fixing element 221 is L/2 apart from the distance of upper rail 11 rear end；Middle rail 12 rear end is to before lower rail 13 The distance of end is M, then descending the fixture 222 distance apart from lower rail 13 front end is M/2.

Described tensioner 23 is wound on the fixture 22 of two slide track components 1 by front steering part 211 and rear steering part 212 Between and form loop, the most described tensioner 23 is changed direction by front steering part 211 and rear steering part 212 thus described in connecting Upper fixing element 221 and lower fixture 222.In the present invention, form loop and refer to: before described tensioner 23 is positioned at same fixture 22 Two parts of side and rear side are by this fixture 22 compact siro spinning technology, without breakpoint；Before described tensioner 23 is positioned at same fixture 22 Two parts of side and rear side are fixed on same slide rail, without tumbler 21 between two fixing points.Certainly, specifically real in the present invention Execute in mode, 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 be located on the first slide track component 1a One 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 fixture 222a with First tensioner of the first upper fixing element 221a, sequentially passes through the first rear steering part 212a, the second rear steering part 212b and second Front steering part 211b also connects the first upper fixing element 221a and second tensioner of the second upper fixing element 221b, sequentially passes through second Rear steering part 212b and the first rear steering part 212a also connects the second upper fixing element 221b and the 3rd of first time fixture 222a the Tensioner.Described first tensioner, the second tensioner are connected each other by fixture 22 with the 3rd tensioner, form one and close The loop closed.

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 tensioning The part 23 distance between the first front steering part 211a and the second rear steering part 212b is fixing, the most described second slide rail group Lower floor's tensioner 232 of part 1b by the second front steering part 211b, the second rear steering part 212b and the first rear steering part 212a 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 second rear steering part Distance between 212b is fixing, therefore the upper strata tensioner 231 of the second slide track component 1b to lower floor's tensioner 232 transmission away from From a, simultaneously lower floor's tensioner 232 of the first slide track component 1a by the first front steering part 211a, the first rear steering part 212a and Second front steering part 211b, the second rear steering part 212b are to upper strata tensioner 231 transmission distance a of the second slide track component 1b.

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 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 solid Locking member 221b is fixed on second on rail 11b.The length of the first tensioner, the second tight part and the 3rd tensioner is all fixing simultaneously 's.When pull drawer, when upper rail 11 stress of the first slide track component 1a pulls out distance a, the first slide track component 1a's Upper strata tensioner 231 is to lower floor's tensioner 232 transmission distance a, and lower floor's tensioner 232 of the second slide track component 1b is to the first slide rail Upper strata tensioner 231 transmission distance a of assembly 1a, the upper strata tensioner 231 of the second slide track component 1b is to the second slide track component 1b Lower floor's tensioner 232 transmission distance a, therefore rail 11b also pulls out distance a on second.Meanwhile, the first slide track component 1a Lower floor's tensioner 232 is to upper strata tensioner 231 transmission distance a of the second slide track component 1b, 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 passes through the second rear steering part 212b and the first rear steering part 212a to the upper rail 11 of the second slide track component 1b Transmission distance a, therefore the first rear steering part 212a of the first slide track component 1a pulls out forward；Again because of described first tensioner Length is fixing, therefore the upper rail 11 of the first slide track component 1a also pulls out distance a.Further, since upper rail 11 and middle rail 12 Between for being slidably connected, also for being slidably connected between middle rail 12 and lower rail 13, upper rail 11 mobile can band disorder of internal organs rail 12 move together Dynamic, distance can be pulled out to increase.

In another concrete example of the present invention, refering to Fig. 7, the parts identical with upper one concrete example use identical mark Number, 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 on first solid Locking member 221a and second tensioner of second time fixture 222b, through the second front steering part 212a and be connected to second time fix Part 222b and the 3rd tensioner of the second upper fixing element 221b, sequentially pass through the second rear steering part 212b and the first rear steering part 212a also connects the 4th tensioner of the second upper fixing element 221b and first time fixture 222a.Described first tensioner, second Tensioner, the 3rd tensioner and the 4th tensioner are connected each other by fixture 22, form the loop of a Guan Bi.This example Other explanations 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 coordinating with two groups of slide track components 1 Two groups auxiliary in rail assembly 5a, be located at the tumbler 21 of rail assembly 5a in described auxiliary, tensioner 23 and be located at two groups of cunnings The fixture 22 of rail assembly, in each described auxiliary, rail assembly 5a is positioned at the described slide track component 1 of correspondence near the accommodating sky of drawer Between side, described tensioner 23 is wound on by tumbler 21 between the fixture 22 of two slide track components 1 so that first is sliding When the upper rail 11 of rail assembly 1a or middle rail 12 move, described tensioner 23 drives by fixture 22 that second slide track component 1b's is upper Rail 11 or middle rail 12 displacement same distance in the same direction.It is to say, in the present embodiment, in auxiliary, rail assembly 5a is positioned at slide rail group The inner side of part 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, say, that now between tumbler 21 and three joint slide rails Tumbler 21, the motion track of tensioner 23 and three joint slide rails sliding trace do not overlap each other, even if upper rail 11, lower rail 13 it Between gap reduce because of abrasion, do not interfere with the normal operation of tumbler 21 in lazy-tongs 2 yet, can effectively solve existing There is the problem that in technology, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, present embodiment can utilize on market normal The three joint rail structures seen, it is only necessary to coordinate rail assembly in auxiliary with low cost, thus be possible not only to simplify manufacture difficulty, Production cost can also be substantially reduced.

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 move, Described limit base 51a remains stationary as, and described screw mandrel 52a and described tumbler 21 the most described common limit base 51a is orthokinetic. Here, limit base 51a, in " recessed " shape, is fixed by screw (sign) between bottom surface and gripper shoe 55a of limit base 51a, limit Position seat 51a also includes that the first insertion end 511a and second protruding out bottom surface inserts end 512a, and first inserts end 511a and second The opening inserting end 512a extends in the horizontal direction, and screw mandrel 52a is limited in described first and inserts end 511a and described second insertion In end 512a.Gripper shoe 55a is horizontally disposed hard plate, can pass through screw institute between gripper shoe 55a and angle bar 6 or lower rail 11 Stating, certainly, gripper shoe 55a also can be one-body molded with angle bar 6 or lower rail 11.Present embodiment can by the setting of limit base 51a Effectively to control the moving direction of screw mandrel 52a so that the moving direction of screw mandrel 52a and described upper rail 11 and/or the shifting of middle rail 12 Dynamic direction keeps consistent, say, that the axis of screw mandrel 52a and tensioner 23 are 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 sets Put, 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's Rear 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 track component The first rear steering part 212a and the second rear steering part 212b of 1b.Described fixture 22 is positioned at described slide track component 1 near drawer The side of accommodation space, i.e. fixture 22 are positioned at the inner side of slide track component 1, and fixture 22 includes being located on the first slide track component 1a The first upper fixing element 221a and first time fixture 222a, the second upper fixing element 221b of 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 fixture 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 connect the first upper fixing element 221a and second tensioner of the second upper fixing element 221b, warp successively Cross the second rear steering part 212b and the first rear steering part 212a and connect the second upper fixing element 221b and first time fixture 222a The 3rd tensioner.Described first tensioner, the second tensioner are connected each other by fixture 22 with the 3rd tensioner, are formed The loop of one Guan Bi.Certainly, described fixture 22 may also comprise the first upper fixing element being located on the first slide track component 1a 221a and first time fixture 222a, the second upper fixing element 221b being located on the second slide track component 1b and second time fixture 222b, now, tensioner 23 includes the first tensioner, the second tensioner, the 3rd tensioner and the 4th tensioner.Present embodiment Other explanations be referred to explanations of other parts of this specification, do not repeat 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 joining with two groups of slide track components 1 Close two groups auxiliary in rail assembly 5b, be located at the tumbler 21 of rail assembly 5b in described auxiliary, tensioner 23 and be located at two groups The fixture 22 of slide track component, in each described auxiliary, rail assembly 5b includes that the described slide track component 1 laying respectively at correspondence is close And away from rail in two auxiliary of drawer accommodation space both sides, described tensioner 23 is wound on two slide rail groups by tumbler 21 Between the fixture 22 of part 1 so that when the upper rail 11 of the first slide track component 1a or middle rail 12 move, described tensioner 23 is by solid Locking member 22 drives 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, this embodiment party In formula, in each auxiliary, rail assembly 5b is positioned at the outside of the slide track component 1 of correspondence.

Here, on the basis of prior art three saves slide rail, add rail assembly 5b in auxiliary, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5b, does not contacts each other, say, that now between tumbler 21 and three joint slide rails Tumbler 21, the motion track of tensioner 23 and three joint slide rails sliding trace do not overlap each other, even if upper rail 11, lower rail 13 it Between gap reduce because of abrasion, do not interfere with the normal operation of tumbler 21 in lazy-tongs 2 yet, can effectively solve existing There is the problem that in technology, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, present embodiment can utilize on market normal The three joint rail structures seen, it is only necessary to coordinate rail assembly in auxiliary with low cost, thus be possible not only to simplify manufacture difficulty, Production cost can also be substantially reduced.It should be noted that compared to the first embodiment, present embodiment is by each auxiliary Rail assembly 5b splits into inside the slide track component 1 being positioned at correspondence and rail in two of outside auxiliary, by a part of tumbler 21 and Tensioner 23 is transferred in the zone line of slide track component 1 and box liner, can effectively reduce rail assembly 5b in auxiliary and take Be positioned at the slide track component 1 space near drawer accommodation space side, thus drawer volume can be increased accordingly.

In each auxiliary, rail includes a limit base 51b (51b ') and screw mandrel 52b (52b '), and described screw mandrel 52b can Being arranged at actively in described limit base 51b, described screw mandrel 52b connects described tumbler 21, when described upper rail 11 or middle rail 12 Time mobile, described limit base 51b remains stationary as, and described screw mandrel 52b and described tumbler 21 the most described common limit base 51b is same To movement.Here, limit base 51b in " recessed " shape, two limit bases 51b, 51b ' bottom surface be connected to respectively correspondence lower rail 11 In both side surface close and far from drawer accommodation space.Limit base 51b also includes the first insertion end 511b protruding out bottom surface And second insert end 512b, first insert end 511b and second insert end 512b opening extend in the horizontal direction, screw mandrel 52b limit It is positioned at described first and inserts end 511b and described second insertion end 512b.Present embodiment can by the setting of limit base 51b Effectively to control the moving direction of screw mandrel 52b so that the moving direction of screw mandrel 52b and described upper rail 11 and/or the shifting of middle rail 12 Dynamic direction keeps consistent, say, that the axis of screw mandrel 52b 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's 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 ', and rear steering part 212 is positioned at the rear end of inner side screw mandrel 52b.Described front steering Part 211 includes the first front steering part 211a and the second front steering being respectively arranged on the first slide track component 1a, the second slide track component 1b Part 211b, described rear steering part 212 includes the first rear steering part being respectively arranged on the first slide track component 1a, the second slide track component 1b 212a and the second rear steering part 212b.Described fixture includes that the described slide track component 1 laying respectively at correspondence is close and far from taking out The inner side fixture 22 of drawer accommodation space both sides and outside fixture 22 ', described inner side fixture 22 includes being located at the first slide rail Inner side the first upper fixing element 221a on assembly 1a and first time, inner side fixture 222a, be located on the second slide track component 1b interior Side the second upper fixing element 221b and second time, inner side fixture 222b；Described outside fixture 22 ' includes being located at the first slide rail group Outside the first upper fixing element 221a ' and first time, outside fixture 222a ' on part 1a, be located on the second slide track component 1b outside Side the second upper fixing element 221b ' and second time, outside fixture 222b '；Described tensioner 23 includes through the first front steering part 211a also connects first tensioner of outside first time fixture 222a ' and outside the first upper fixing element 221a ', sequentially passes through the One rear steering part 212a, the second rear steering part 212b also connect first time, inner side fixture 222a and inner side the second upper fixing element Second tensioner of 221b, sequentially passes through the first rear steering part 212a and the second rear steering part 212b and connects on inner side first solid 3rd tensioner of locking member 221a and the second time fixture 222b in inner side, through the second front steering part 211b and connect outside second 4th tensioner of lower fixture 222b ' and outside the second upper fixing element 221b '.Now, the second tensioner and the 3rd tensioner It is 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 rail group Part 1a and the outside of the second slide track component 1b.Other explanations of present embodiment are referred to saying of other parts of this specification Bright, 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 track components 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 be located at two The fixture 22 of group slide track component 1, in each described auxiliary, rail assembly 5c is positioned at the described slide track component 1 of correspondence away from upper rail 11 Side, described tensioner 23 is wound on by tumbler 21 between the fixture 22 of two slide track components 1 so that the first slide rail When the upper rail 11 of assembly 1a or middle rail 12 move, described tensioner 23 drives the upper rail of the second slide track component 1b by fixture 22 11 or middle rail 12 displacement same distance in the same direction.It is to say, in the present embodiment, in auxiliary, rail assembly 5c is positioned at slide track component The downside of 1.It should be noted that the sliding track mechanism 100 of present embodiment is applicable to sliding track mechanism is positioned at the situation of drawer side, Now there is remaining space the downside of slide track component 1 to accommodate rail assembly 5c in auxiliary, and the first embodiment and the second embodiment party The sliding track mechanism of formula is applicable to sliding track mechanism 100 and is positioned at the situation of drawer bottom, but is 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, say, that now between tumbler 21 and three joint slide rails Tumbler 21, the motion track of tensioner 23 and three joint slide rails sliding trace do not overlap each other, even if upper rail 11, lower rail 13 it Between gap reduce because of abrasion, do not interfere with the normal operation of tumbler 21 in lazy-tongs 2 yet, can effectively solve existing There is the problem that in technology, tumbler 21 is interfered with upper rail 11 and/or lower rail 13.It addition, present embodiment can utilize on market normal The three joint rail structures seen, it is only necessary to coordinate rail assembly in auxiliary with low cost, thus be possible not only to simplify manufacture difficulty, Production cost can also be substantially reduced.It should be noted that rail assembly 5c in auxiliary is arranged at slide track component 1 by present embodiment Lower section, now in auxiliary, the setting of rail assembly 5c can't have influence on 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 move, Described limit base 51c remains stationary as, and 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, and the upper surface of gripper shoe 55c contacts with the lower surface of lower rail 13, limit base 51c In " recessed " shape, the bottom surface of limit base 51c is connected to the bottom of gripper shoe 55c.Limit base 51c also includes protruding out the first of bottom surface Inserting end 511c and second and insert end 512c, the first opening inserting end 511c and second insertion end 512c prolongs in the horizontal direction Stretching, screw mandrel 52c is limited in described first and inserts in end 511c and described second insertion end 512c.Present embodiment passes through limit base 51c arranges the moving direction that can effectively control screw mandrel 52c so that the moving direction of screw mandrel 52c and described upper rail 11 and/or The moving direction of middle rail 12 keeps consistent, say, that the axis of screw mandrel 52c and tensioner 23 parallel and in same vertically In plane.

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's Rear 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 track component The first rear steering part 212a and the second rear steering part 212b of 1b.Described fixture 22 is by upper rail 11 and lower rail 13 (or gripper shoe 55c) extend on the downside of gripper shoe 55c, 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 second upper fixing element 221b being located on the second slide track component 1b, described tensioner 23 is by three Fixture 22 is divided into three sections: through the first front steering part 211a and connect first time fixture 222a and the first upper fixing element 221a The first tensioner, sequentially pass through the first rear steering part 212a, the second rear steering part 212b and the second front steering part 211b and connect Connect the first upper fixing element 221a and second tensioner of the second upper fixing element 221b, sequentially pass through the second rear steering part 212b and One rear steering part 212a also connects the 3rd tensioner of the second upper fixing element 221b and first time fixture 222a.Described first Tight part, the second tensioner are connected each other by fixture 22 with the 3rd tensioner, form the loop of a Guan Bi.Certainly, institute State fixture 22 to may also comprise the first upper fixing element 221a being located on the first slide track component 1a and first time fixture 222a, set The second upper fixing element 221b on the second slide track component 1b and second time fixture 222b, now, tensioner 23 includes first Tensioner, the second tensioner, the 3rd tensioner and the 4th tensioner.Other explanations of present embodiment are referred to this specification The explanation of other parts, does not repeats them here.

In an embodiment of the present invention, include that the first tensioner, the second tensioner, the 3rd tensioner are with tensioner 23 As a example by example, and the sliding track mechanism 100 in the first embodiment, the sliding track mechanism 100 of other embodiments is the most applicable, at this Describe in detail the most one by one.As shown in Figure 18 and Figure 19, described sliding track mechanism 100 also includes that electric machine assembly 3, described electric machine assembly 3 have There is winding or discharge the first connection end 31 and the second connection end 32 of described tensioner 23, described tensioner 23 being positioned at same Before and after one fixture 22, two parts of both sides are intertwined and connected respectively and connect on end 31 and the second connection end 32 described first, institute State and connect one contraction described tensioner 23, another one in end 32 by the first connection end 31 and second when electric machine assembly 3 works Discharge described tensioner 23 and described tensioner 23 is moved, and then drive described middle rail 12 and upper rail 11 by fixture 22 Mobile, described drawer can realize automatic pull under the driving of motor, 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 quilt in the hole of described capstan nut 2212 Fixing.Described lower fixture 222 includes the lower holding firmware 2221 being fastened on described lower rail 13 and is located at described lower holding firmware First guide 2222 and the second guide 2223 on 2221, described lower floor tensioner 232 is by the first guide 2222 and second Guide 2223 guides described electric machine assembly 3, described lower floor tensioner 232 to be fixed.Understand lower fixture 222 for convenience Structure, the first guide 2222 of described lower fixture 222 and the second guide 2223 do not move with described lower holding firmware 2221 Dynamic, still fixed together with tensioner 23.The hole of capstan nut 2212 and described upper tumbler 2121 are located parallel to screw mandrel On the same straight line of 52, first guide the 2222, second guide 2223 cooperated, lower holding firmware 2221 and described lower turn Being located parallel on the same straight line of screw mandrel 52 to part 2122, the most described tensioner 23 is solid with lower at fixed part 221 All remain parallel to before and after locking member 222 is fixing on the same straight line of described screw mandrel 52.

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 forward and reverse rotating Motor, by motor drive and adjustable rotational speed travelling gear, by travelling gear drive rotate curled hair cylinder.Described first even Connect end 31 and second to connect end 31 and may be contained within described curled hair cylinder, and before being positioned at same fixture 22 in described tensioner 23 Two parts reverse-winding respectively of rear both sides connects end 31 and second described first and connects on end 32.Therefore, at described volume When silk cylinder rotates around a direction, first connects end 31 and second connects one contraction described tensioner 23, another one in end 32 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 tensioning 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 slide rail Mechanism 100 also includes being located at the first lining (sign) that the first guide 2222 is connected between end 31, described tensioning with first The part 23 part between the first guide 2222 and electric machine assembly 3 is arranged in described first lining, and described tensioner 23 exists Length between first guide 2222 and electric machine assembly 3 is more than the distance between the first guide 2222 and electric machine assembly 3；Institute State sliding track mechanism 100 also to include being located at the second lining (sign) that the second guide 2223 is connected between end 32, institute with second State tensioner part between the second guide 2223 and electric machine assembly 3 to be arranged in described second lining, and described tensioning Part 23 is more than between the second guide 2223 and electric machine assembly 3 in the length between the second guide 2223 and electric machine assembly 3 Distance.Therefore, described lazy-tongs 2 are facilitated to coordinate installation with electric machine assembly 3.

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 use a tensioner 23, The initiating terminal of described tensioner 23 is intertwined and connected and connects end 31, before end sequentially passes through the first guide 2222, first in first Tumbler 211a, the first upper fixing element 221a, the first rear steering part 212a, the second rear steering part 212b, the second front steering part Connect after 211b, the second upper fixing element 221b, the second rear steering part 212b, the first rear steering part 212a and the second guide 2223 End 32 is connected in second.

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, due to the first front steering part 211a and the first rear steering part Distance between 212a is fixing, and tensioner 23 between the first front steering part 211a and the second rear steering part 212b away from From being fixing, lower floor's tensioner 232 of the most described second slide track component 1b turns by the second front steering part 211b, after second To part 212b and the first rear steering part 212a to upper strata tensioner 231 transmission distance a of the first slide track component 1a；Again because of second Distance between front steering part 211b and the second rear steering part 212b is fixing, therefore the upper strata tensioning of the second slide track component 1b Part 231 is to lower floor's tensioner 232 transmission distance a, and lower floor's tensioner 232 of the first slide track component 1a is by the first front steering simultaneously Part 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's Upper strata tensioner 231 transmission distance a, the 3rd tensioner discharges a length of a from described 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 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 solid Locking member 221b is fixed on second on rail 11b.The length of the first tensioner, the second tight part and the 3rd tensioner is all fixing simultaneously 's.When the first tensioner is to curled hair cylinder coiling length a, the upper strata tensioner 231 of the first slide track component 1a is to lower floor's tensioner 232 transmission distances a, upper rail 11 stress of the first slide track component 1a pulls out distance a；Lower floor's tensioning of the second slide track component 1b Part 232 to upper strata tensioner 231 transmission distance a of the first slide track component 1a, the upper strata tensioner 231 of the second slide track component 1b to Lower floor's tensioner 232 transmission distance a of the second slide track component 1b, therefore rail 11b also pulls out distance a on second.Meanwhile, Three tensioner are release distance a from curled hair cylinder, refrigerator to upper strata tensioner 231 transmission distance a of the second slide track component 1b, due to The length of the 3rd tensioner is fixing, and therefore the second rear steering part 212b of the second slide track component 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, by same The running of step mechanism 2 also can realize the synchronization turnover of drawer, and electric machine assembly 3 only there is provided the active force of an automatic shutter, because of This, omit 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 tensioner with tensioner 23 And the 4th as a example by tensioner, as shown in Figure 20 and Figure 21, described electric machine assembly 3 includes described first tensioner and that is intertwined and connected First electric machine assembly 33 of four tensioner, and the second electric machine assembly 34 of be intertwined and connected the 3rd tensioner and the second tensioner, Described first electric machine assembly 33 shrinks or discharges the first tensioner and the 4th tensioner respectively, and the second electric machine assembly 34 shrinks respectively Or discharge the 3rd tensioner and the second tensioner, so that described tensioner 23 moves, and then drive institute by fixture 22 State middle rail 12 and upper rail 11 moves.

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, lazy-tongs 2 described in ginseng Figure 22 and Figure 23 turn after also including being arranged at two Tensioning sleeve 24 between part 212, is provided with adjusting part 4, described regulation group at least one of two rear steering parts 212 Part 4 is flexibly connected with described tensioning sleeve 24, and when described adjusting part 4 is in and tightens state, described tensioning sleeve 24 drives described Tensioner 23 is moved away from described adjusting part 4 until the described tensioner 23 length between two rear steering parts 212 is more than Distance between two rear steering parts 212, and other parts that described tensioner 23 is outside described tensioning sleeve 24 are constantly in and draw Tight state 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.

Here, compared to the embodiment without tensioning sleeve 24, the described tensioner 23 length between two rear steering parts 212 More than the distance between two rear steering parts 212；It is easily installed, and does not worries that described tensioner 23 is outside described tensioning sleeve 24 Other parts can relax.It addition, for the ease of the installation of tensioner 23, longer tensioner 23 typically can be provided, when After tensioner 23 is assembled on fixture 22 and tumbler 21, tensioner 23 is easily in relaxed state, and present embodiment utilizes Adjusting part 4 can effectively regulate the elasticity of other tensioner 23 outside tensioning sleeve 24 so that other outside tensioning sleeve 24 Tight part 23 remains tensioned state, thus improves 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 regulation model Enclose and regulate convenience, it is possible in two rear steering parts 212, being respectively provided with adjusting part 4.

Rear steering part 212 is fixed on the rear end of screw mandrel 52 by pedestal 213, in the first slide track component 1a side, described tensioning Being provided with retaining collar 25 between set 24 and described tensioner 23 pedestal 213, described retaining collar 25 is vertical with described screw mandrel 52, The described tensioner 23 part in described retaining collar 25 with extend past rear steering part 212 from this part after and near rear turn Another part to part 212 is perpendicular and in the same plane so that described tensioner 23 is opened at slide rail or Closing process runs smooth and easy, save the strength；Described tensioner 23 can be reduced to walk around when described rear steering part 212 moves simultaneously Abrasion, 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 regulation Assembly 4 includes that adjusting part 4a and lower adjusting part 4b, upper adjusting part 4a coordinate with upper tumbler 2121, wear for regulation Crossing the length of the tensioner 23 of tumbler 2121, described lower adjusting part 4b coordinates with lower tumbler 2122, wears for regulation Cross down the length of the tensioner 23 of tumbler 2121.Below.The structure of adjusting part is described in detail in detail as a example by following adjusting part 4b.

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 the tensioner 23 being arranged in described tensioning sleeve 24 is by Two openings 2132 through lower tumbler 2122 and extend to the first opening 2131, and are stretched out by the first opening 2131 and be fixed to At fixture 22.It should be noted that first opening 2131, second opening 2132 of upper adjusting part 4a and lower adjusting part 4b 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, institute Stating and be formed with one first protuberance 2133 on pedestal 213, described pin member 41 is on hollow structure, and the inwall of described pin member 41 Being formed with the second protuberance 411, described first protuberance 2133 encloses with described second protuberance 411 and is set as a receiving chamber (sign), institute State synchronization top spring 42 and be just placed in described receiving intracavity.Here, the first protuberance 2133 and the second protuberance 411 are for non-fully to close Structure, tensioner 23 can sequentially pass through second protuberance the 411, first protuberance 2133, lower tumbler 2122 and extend to first and open At mouth 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 close The described first end 241 synchronizing top spring, described first end 421 abuts described first protuberance 2133, described second end 422 and institute State first end 241 and be connected to the both sides of described second protuberance 411 respectively.Here, owing to the diameter of tensioning sleeve 24 is more than tensioning The diameter of part 23, tensioning sleeve 24 is supported at the second protuberance 411 by available diameter difference, and tensioner 23 just can be through the Two protuberances 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, now synchronizes top Spring 42 can promote the second protuberance 411 to move towards A direction, say, that now synchronizes top spring 42 and drives pin member 41 towards A side To motion, until the second protuberance 411 supports tensioning sleeve 24 again.By above-mentioned regulation process, the tensioner on the left of tensioning sleeve 24 23 are pulled a segment distance to A direction, and the described tensioner 23 length between two rear steering parts 212 is more than two rear steerings Distance between part 212, say, that now, the unnecessary length of tensioner 23 has been consumed, and described tensioner 23 is in institute Other stated outside tensioning sleeve 24 are partially in tensioned state.

In the present embodiment, described lazy-tongs 2 also include inserted sheet 26, if being formed on the outer wall of described pin member 41 Dry slot 412, is formed with at least one socket 2134 at the corresponding slot 412 of described pedestal 213, described inserted sheet 26 is through described socket 2134 and described pin member 41 is relatively fixed in inserting described slot 412 with described pedestal 213.Here, adjust when needs During joint tensioner 23 length, extract inserted sheet 26 so that pin member 41 can move with opposite base 213, 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 positive stop end 413 move until described positive stop end 413 interferes with each other with described confined planes 2135 towards described confined planes 2135.Here, spacing Face 2135 and the setting of positive stop end 413, on the one hand, pin member 41 can be avoided to depart from pedestal 213, the opposing party in motor process Face, 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 Fixture 22 between, and the upper rail 11 of described tensioner 23 one of them slide rail of interconnection and another slide track component 1 Lower 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, keep away Exempt from the deflection that causes 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 same The stability of step mechanism 2；By cooperating, when described electric machine assembly 3 works of electric machine assembly 3 and lazy-tongs 2 so that even The described tensioner 23 being connected to described electric machine assembly 3 moves, and then drives described middle rail 12 and upper rail 11 to move by fixture 22 Dynamic, it is achieved pull drawer automatically, easy to use；By arranging adjusting part 4, can effectively regulate the elasticity of tensioner 23, 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 Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can With other embodiments understood.

The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically Bright, they also are not used to limit the scope of the invention, all equivalent implementations made without departing from skill of the present invention 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 being oppositely arranged and Two slide track components, 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 Mechanism also includes so that the first slide track component and the synchronization-moving lazy-tongs of the second slide track component and electric machine assembly, lazy-tongs Including rail assembly in coordinate with two groups of slide track components two groups auxiliary, it is located at the tumbler of rail assembly, tensioner in described auxiliary And be located at the fixture of two groups of slide track components, described tensioner by tumbler be wound on two slide track components fixture it Between so that when the upper rail of the first slide track component or middle rail move, described tensioner drives the second slide track component by fixture Upper rail or middle rail displacement same distance in the same direction；Described electric machine assembly has winding or discharges the first connection of described tensioner End and second connects end, described tensioner is positioned at two parts of both sides before and after same fixture and is intertwined and connected respectively described First connects end and second connects on end, connects one in end by the first connection end and second and receive during the work of described electric machine assembly Described tensioner, the another one of contracting discharges described tensioner and described tensioner is moved, and then drive described by fixture Middle rail and upper rail move.

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, and described screw mandrel and described tumbler are the most described the most spacing Seat is 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 On.

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

Sliding track mechanism the most according to claim 1, it is characterised in that: described fixture includes being located on the first slide track component The first upper fixing element and first time fixture, the second upper fixing element of being located on the second slide track component；Described tumbler includes It is located at the first front steering part and the first rear steering part of rail assembly in the auxiliary of cooperation the first slide track component, is located at cooperation the second cunning Second front steering part of rail assembly and the second rear steering part in the auxiliary of rail assembly；Described tensioner includes through the first front steering Part also connects the first tensioner of first time fixture and the first upper fixing element, sequentially passes through the first rear steering part, turns after second To part and the second front steering part the second tensioner connecting the first upper fixing element and the second upper fixing element, after sequentially passing through second Tumbler and the first rear steering part also connect the 3rd tensioner of the second upper fixing element and first time fixture, and described first connects End and the second connection end respectively with first time fixture before and after the first tensioner of both sides and the 3rd tensioner be intertwined and connected mutually.

Sliding track mechanism the most according to claim 5, it is characterised in that: described first time fixture has respectively by first Tight part and the 3rd tensioner guide described first and connect end and the first guide of the second connection end and the second guide.

Sliding track mechanism the most according to claim 6, it is characterised in that: described sliding track mechanism also includes being located at the first guide The first lining being connected between end with first, described tensioner part between the first guide and electric machine assembly is arranged in institute Stating in the first lining, described tensioner length between the first guide and electric machine assembly is more than the first guide and group of motors Distance between part；Described sliding track mechanism also includes the second lining being located between the second guide and the second connecting portion, described Tensioner part between the second guide and electric machine assembly is arranged in described second lining, and described tensioner is Length between two guides and electric machine assembly is more than the distance between the second guide and electric machine assembly.

Sliding track mechanism the most according to claim 1, it is characterised in that: described electric machine assembly includes can the electricity of forward and reverse rotation Machine, adjust rotating speed travelling gear, by travelling gear drive rotate curled hair cylinder, described first connect end and second connect end equal It is arranged on described curled hair cylinder, and is positioned at two parts of both sides before and after same fixture in described tensioner and the most reversely twines It is wound on described first to connect on end and the second connection end.

Sliding track mechanism the most according to claim 1, it is characterised in that: described tumbler includes being fixed on rail in each auxiliary The front steering part of assembly front and back end and rear steering part, upper rail that described fixture includes being respectively arranged on the first slide track component and lower rail The first upper fixing element and first time fixture, the upper rail being respectively arranged on the second slide track component and the second upper fixing element of lower rail and Second time fixture, described tensioner includes through two rear steering parts and connects first time fixture and the second upper fixing element First tensioner, through two rear steering parts the second tensioner of connecting the first upper fixing element and second time fixture, described Electric machine assembly includes being intertwined and connected respectively described first tensioner and the first electric machine assembly of the second tensioner and the second group of motors Part, described first electric machine assembly and the second electric machine assembly shrink or discharge the first tensioner and the second tensioner respectively and make institute State tensioner to move, and then drive described middle rail and upper rail to move by fixture.

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