CN106016938B

CN106016938B - Sliding track mechanism and there is its refrigerator

Info

Publication number: CN106016938B
Application number: CN201610355667.2A
Authority: CN
Inventors: 费斌; 陆日勇; 程学丽; 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: 2018-05-11
Anticipated expiration: 2036-05-25
Also published as: CN106016938A; WO2017202046A1

Abstract

Present invention is disclosed a kind of sliding track mechanism and there is its refrigerator, sliding track mechanism is pulled out or promoted in babinet for drawer, each slide track component has upper rail, middle rail and lower rail, sliding track mechanism further includes lazy-tongs, lazy-tongs include rail assembly in two groups of auxiliary, the tumbler of rail assembly in auxiliary, tensioner and the fixing piece arranged on two groups of slide track components, rail assembly includes the rail in two auxiliary of the corresponding slide track component close and far from drawer accommodating space both sides respectively in each auxiliary, tensioner is wound on by tumbler between the fixing piece of two slide track components, during so that the upper rail of the first slide track component or middle rail moving, tensioner drives the upper rail or middle rail displacement same distance in the same direction of the second slide track component by fixing piece.Rail assembly in present invention increase auxiliary, and tumbler is arranged in auxiliary on rail assembly, in this way, the change in gap does not interfere with the normal operation of tumbler between upper rail, lower rail, so as to ensure the stability of lazy-tongs.

Description

Sliding track mechanism and there is its refrigerator

Technical field

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

Background technology

At present, three section slides of in the market are primarily present following problem in practical applications：First, produced during use Noise：Existing three sections slide, is first run using upper rail, when upper rail range ability culminates, using upper rail and middle rail Limiting device contact-impact, middle rail is pulled out；Rail and the limiting device contact-impact of lower rail in same use, reach middle rail and are led The distance drawn reaches limit；And limiting device in upper rail and middle rail, middle rail with producing making an uproar for " pedaling, pedal " in lower rail contact impact Sound, high frequency noise is brought to user.Secondly, double swerve is produced during use：Existing three sections slide is in practical applications More by the way of paired, and using the method for operation of foregoing description, while the transmission between three section slides is made using some steel balls The carriage between each rail；Therefore, three section slides cannot pin each other, and front and rear reserved reduction space, in actual use, draws The direction of active force and slide running force when going out causes the dress that slide pull-out is saved by a pair three not on the center line of slide Scene one in front and one in back, and the optional position after pull-out occurs in the face of putting, when both hands are different using both sides amount of force, The phenomenon to roll can be produced, security risk is brought to user.

The existing three section slide of in the market is influenced by cost, standard technology control and reliability, between upper rail and lower rail Clearance distance generally in 2mm.In the prior art, the application for a patent for invention such as this department Application No. CN201410372586.4 is Example, can increase lazy-tongs to realize that the synchronous of two wood side-guides passes in and out, the tumbler of the lazy-tongs includes in three section slides Pedestal, pedestal are necessarily mounted on middle rail whole lazy-tongs and can be only achieved expected synchronous muting function, that is to say, that pedestal Need to be in the gap of 2mm.In addition, in order to ensure the intensity of pedestal, the size for the connecting portion that pedestal is connected with middle rail is unsuitable That does is too small, 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 also substantially 0.1mm.It is internal with the increase of three section slide access times in practice Steel ball and upper rail, lower rail, middle rail easily produce abrasion, cause the clearance distance between upper rail and lower rail to be gradually reduced, due to Spacing between upper rail and lower rail and pedestal connecting portion is minimum, and at this time, the reduction of clearance distance is easy to cause upper rail and/or lower rail Interference is produced between pedestal connecting portion, or even produces stuck phenomenon.Therefore, three section slides reliability of the prior art exists Problem.

The content 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 in case Pull out or promote in vivo, including the first slide track component and the second slide track component being oppositely arranged, each slide track component have mutual Upper rail, middle rail and the lower rail being slidably matched, the sliding track mechanism further includes so that the first slide track component and the second slide track component are protected Hold synchronization-moving lazy-tongs, rail assembly in two groups of auxiliary that lazy-tongs include coordinating with two groups of slide track components, arranged on institute Tumbler, tensioner and the fixing piece arranged on two groups of slide track components of rail assembly in auxiliary are stated, rail group in each auxiliary Part includes the rail in two auxiliary of the corresponding slide track component close and far from drawer accommodating space both sides respectively, described Tensioner is wound on by tumbler between the fixing piece of two slide track components so that the upper rail of the first slide track component or middle rail move When dynamic, the tensioner drives the upper rail or middle rail displacement same distance in the same direction of the second slide track component by fixing piece.

Further as an embodiment of the present invention is improved, and rail includes limit base and screw, institute in each auxiliary State screw to be movably disposed in the limit base, the screw connects the tumbler, when the upper rail or middle rail move When, the limit base remains stationary as, and the screw and the tumbler move in the same direction relative to the limit base jointly.

Further as an embodiment of the present invention is improved, and the limit base is fixedly arranged in the lower rail.

Further as an embodiment of the present invention is improved, and two limit bases of rail assembly are located at respectively in each auxiliary Both side surface of the corresponding lower rail close and far from drawer accommodating space.

Further as an embodiment of the present invention is improved, and the limit base includes mutually separating the first insertion set End and the second insertion end, the screw are limited in first insertion end and second insertion end.

Further as an embodiment of the present invention is improved, and the central axes of the screw are parallel with the tensioner.

Further as an embodiment of the present invention is improved, and the tumbler includes pedestal and the wheel being arranged in pedestal Disk, the tensioner are set around at the wheel disc, and the screw interfixes with the pedestal.

Further as an embodiment of the present invention is improved, and the tumbler includes front steering part and rear steering part, institute Stating screw is included respectively positioned at the corresponding slide track component close and far from the inner side screw of drawer accommodating space both sides and outer Lateral filament bar, the rear steering part are located at the rear end of the inner side screw, and the front steering part is located at the front end of the outside screw.

Further as an embodiment of the present invention is improved, and the fixing piece includes being located at the corresponding slide respectively Component is close and far from the inner side fixing piece and outside fixing piece of drawer accommodating space both sides, and the inner side fixing piece is including being arranged on The first upper fixing element of inner side and the fixing piece of inner side first time on first slide track component, the inner side on the second slide track component Two upper fixing elements and the fixing piece of inner side second time；The outside fixing piece includes being arranged on the outside first on the first slide track component Fixing piece and second time fixing piece of outside first time, the second upper fixing element of outside on the second slide track component and outside fixation Part；The tumbler includes the first front steering part and the first rear steering for being arranged on rail assembly in the auxiliary for coordinating the first slide track component Part, arranged on coordinate the second slide track component auxiliary in rail assembly the second front steering part and the second rear steering part；The tensioner Including passing through the first front steering part and connecting the first tensioner of the fixing piece of outside first time and the first upper fixing element of outside, successively By the first rear steering part, the second rear steering part and connect second of the fixing piece of inner side first time and the second upper fixing element of inner side Tight part, by the first rear steering part and the second rear steering part and connects inner side the first upper fixing element and inner side and fixes for second time successively 3rd tensioner of part, by the second front steering part and connects the 4th of the fixing piece of outside second time and the second upper fixing element of outside Tensioner.

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

Compared with prior art, the beneficial effects of the present invention are：Rail assembly in present invention increase auxiliary, and by tumbler It is arranged in auxiliary on rail assembly, in this way, the change in gap does not interfere with the normal operation of tumbler between upper rail, lower rail, So as to ensure the stability of lazy-tongs.

Brief description of the drawings

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 is the structure diagram with rail assembly in auxiliary of first embodiment of the invention；

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

Fig. 6 is the fixing piece distribution schematic diagram of a specific example of the invention；

Fig. 7 is the fixing piece distribution schematic diagram of another specific 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 is the structure diagram with rail assembly in auxiliary of second embodiment of the invention；

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

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 is the structure diagram with rail assembly in auxiliary of third embodiment of the invention；

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

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

Figure 20, Figure 21 are the sliding track mechanism schematic diagrames 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.

Embodiment

Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously The present invention is not limited, structure that those of ordinary skill in the art are made according to these embodiments, method or functionally Conversion is all contained in protection scope of the present invention.

As shown in Figure 1, the present invention provides a kind of slide machine for being used for drawer (not indicating) and pulling out or promoting in babinet Structure 100, including two groups of slide track components 1 being oppositely arranged.Certainly, the sliding track mechanism 100 can be used for the pumping of other structures Draw, extend or shrink.It should be noted that two groups of slide track components 1 can left and right set, in other embodiments, two groups of slides Component 1 can also be setting up and down, in the present invention, by taking two groups of slide track components 1 or so are set as an example.

In addition, it is used herein for example " on ", " top ", " under ", " lower section ", the representation space such as "left", "right" is with respect to position The term put be in order at easy to explanation purpose come describe as shown in the drawings a unit or feature relative to another list The relation of member or feature.The term of relative space position can be intended to include equipment in use or work except side shown in figure Different azimuth beyond position.If for example, the equipment in figure is overturn, other units or feature " lower section " are described as being located at Or " under " unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include top and Both orientation of lower section.Equipment can otherwise be directed (be rotated by 90 ° or other directions), and correspondingly explain herein It is using with space correlation description.

Join Fig. 1 to Fig. 3, the 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, i.e. the first slide track component 1a has first to cooperate In upper rail 11a, first rail 12a and the first lower rail 13a, the second slide track component 1b have cooperate the second upper rail 11b, Rail 12b and the second lower rail 13b in second.The lower rail 13 is fixed on babinet by angle bar 6, and the upper rail 11 is fixed on drawer On, the middle rail 12 is equipped between the upper rail 11 and lower rail 13；In use, the lower rail 13 is fixed, it is described Middle rail 12 and upper rail 11 can pull out or promote with respect to lower rail 13, and then drive drawer to pull out or promote in the babinet, that is, Say, the lower rail 13 is orbit determination, and the middle rail 12 and upper rail 11 are dynamic rail.

In the present embodiment, the slide track component 1 further includes upper between the upper rail 11 and the middle rail 12 Townhouse ball 14, the lower townhouse ball 15 between the middle rail 12 and the lower rail 13 are opposite in upper rail 11 or middle rail 12 Lower rail 13 can reduce friction during pulling out or promoting, laborsaving.The upper townhouse ball 14 is located at opening for the upper rail 11 In mouth (not indicating), the lower townhouse ball 15 is located in the opening (not indicating) of the lower rail 13.Further, the first line of a couplet Row's ball 14 includes being fastened in the matrix (not indicating) of the middle upside of rail 12 and some balls (not indicating) on matrix, described Lower townhouse ball 15 includes being fastened in the matrix (not indicating) of the middle downside of rail 12 and some balls (not indicating) on matrix.

In an embodiment of the present invention, the sliding track mechanism 100 further includes so that the first slide track component 1a and second is slided Rail assembly 1b keeps synchronization-moving lazy-tongs 2, and lazy-tongs 2 are included in two groups of auxiliary coordinating with two groups of slide track components 1 Rail assembly 5, the tumbler 21 of rail assembly 5, tensioner 23 and the fixing piece arranged on two groups of slide track components in the auxiliary 22, the tensioner 23 is wound between the fixing piece 22 of two slide track components 1 by tumbler 21 so that the first slide track component 1a upper rail 11 or middle rail 12 movement when, the tensioner 23 by fixing piece 22 drive the second slide track component 1b upper rail 11 or The middle displacement same distance in the same direction of rail 12.

Here, on the basis of the prior art three saves slide, rail assembly 5 in auxiliary is added, and lazy-tongs 2 are turned It is arranged to part 21 in auxiliary on rail assembly 5, tumbler 21 and three does not contact each other between saving slide, that is to say, that turns at this time Do not overlap each other to the sliding trace of part 21, the motion track and three section slides of tensioner 23, even if between upper rail 11, lower rail 13 Gap reduce because of abrasion, the normal operation of tumbler 21 in lazy-tongs 2 will not be influenced, can effectively be solved existing The problem of tumbler 21 is interfered with upper rail 11 and/or lower rail 13 in technology.In addition, present embodiment can utilize in the market common Three section rail structures, it is only necessary to coordinate rail assembly in auxiliary of low cost, so as to can not only simplify manufacture difficulty, also Production cost can be substantially reduced.

In the present embodiment, in the lump refering to Fig. 4 and Fig. 5, rail assembly 5 includes an at least limit base in each auxiliary 51 and at least one screw 52, the screw 52 be movably disposed in the limit base 51, the screw 52 connects described turn To part 21, when the upper rail 11 or the movement of middle rail 12, the limit base 51 remains stationary as, the screw 52 and the tumbler 21 move in the same direction relative to the limit base 51 jointly.Here, the tumbler 21 includes pedestal 213 (213 ') and is arranged at pedestal Wheel disc (not indicating) in 213, the tensioner 23 are set around at the wheel disc, the screw 52 and the pedestal 213 (213 ') interfix, and can be interfixed between screw 52 and pedestal 213 (213 ') by latch 53 and/or bolt part 54, turn Do not contacted between part 21, screw 52 and three section slides.It should be noted that the screw 52 of present embodiment has necessarily strong Degree, it is unlikely to deform, and connects tumbler 21 by screw 52, the movement of tumbler 21 can be effectively guided, in addition, by spacing 51 pairs of screws 52 of seat it is spacing, can effectively control the moving direction of screw 52 so that the moving direction of screw 52 with it is described on The moving direction of rail 11 and/or middle rail 12 is consistent, that is to say, that the central axes of screw 52 and tensioner 23 parallel and in In same perpendicular.

In the present embodiment, limit base 51 can be fixedly arranged in lower rail 13, but is not limited, such as, it is possible to provide one Fagging 55, and limit base 51 is fixedly arranged in support plate 55, support plate 55 can be connected with lower rail 13 or babinet or angle bar 6, one In embodiment, support plate 55 can be integrally formed with the angle bar 6 of fixed lower rail 13.For the further effectively movement of control screw 52 Direction, can also design a limiting slot 56, as shown in figure 5, in the upper of support plate 55 on support plate 55, lower rail 13 or limit base 51 A horizontal-extending limiting slot 56 is formed on surface, limiting slot 56 is fitted to each other with screw 52, when the screw 52 moves, institute State the moving direction that limiting slot 56 limits the screw 52.The limit base 51 includes mutually separating the first insertion end set 511 and second insertion end 512, the screw 52 be limited in first insertion end 511 and second insertion end 512, this In, the both ends mutually separated are set, limit effect of the limit base 51 to screw 52 can be effectively improved, meanwhile, it can also ensure screw The smoothness of 52 movements.

In the present embodiment, the tumbler 21 includes front steering part 211 and rear steering part 212, the front steering part 211 are located at the front end of the screw 52, and the rear steering part 212 is located at the rear end of the screw 52, and the limit base 51 is located at The intermediate region of the front steering part 211 and the rear steering part 212.Here, when the only silk of rail assembly 5 in an auxiliary During bar 52, front steering part 211 and rear steering part 212 are located at the front end and rear end of same root screw 52 respectively, before screw 52 drives Tumbler 211 and rear steering part 212 move together；When rail assembly 5 has the screw 52 more than one in an auxiliary, such as When rail assembly 5 has two screws 52 in auxiliary, the front end of one of front steering part 211 is located therein screw 52, rear steering part 212 It is located therein the rear end of another screw 52.It should be noted that the limit base 51 be located at the front steering part 211 and it is described after The intermediate region of tumbler 212, limit base 51 are located on the motion path of rear steering part 212, in order to ensure that rear steering part 212 can With swimmingly mobile forward, limit base 51 is preferably set close to three section slide front end areas.

In the present embodiment, the 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 of 1b and the second front steering part 211b, the rear steering part 212 include being respectively arranged on the first slide rail group Part 1a, the first rear steering part 212a of the second slide track component 1b and the second rear steering part 212b.

With reference to Fig. 6, the front steering part 211 is arranged to the tensioner 23 and is divided into after front steering part 211 Layer tensioner 231 and lower floor's tensioner 232, the rear steering part 212 include opening with the upper strata tensioner 231 and lower floor respectively The tight matched upper tumbler 2121 of part 232 and lower tumbler 2122, the upper strata tensioner 231, lower floor's tensioner 232 are passed through Wherein each extended 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, are located at the upper rail 11 of two groups of slide track components 1 with respectively in a manner of intersecting and link Rail 13.

The front steering part 211 is the wheel disc (not indicating) bypassed for tensioner 23, it is in vertical installation, the upper steering Part 2121 is the wheel disc (not indicating) bypassed for tensioner 23 with lower tumbler 2122, it is in be horizontally mounted, the tensioner 23 It is located at same straight line in the position of the upper tumbler 2121 in the extreme higher position of the front steering part 211 and the tensioner 23 On so that the upper strata tensioner 231 is parallel to the screw 52；The tensioner 23 is located at the front steering part 211 most Lower position is located parallel on the straight line of screw 52 with the position positioned at the lower tumbler 2122, so that the lower floor Tensioner 232 is parallel to the screw 52；So that the sliding track mechanism 100 run it is smooth.

The fixing piece 22 includes at least two upper fixing elements 221 being respectively arranged in two upper rails 11 and arranged at least one At least one lower fixing piece 222 in a lower rail 13.

During the slide track component 1 is opened, closes and opened or closed, fixed part 221 is always positioned at To between middle 12 front end of rail, the lower fixing piece 222 is always positioned at 13 front end of lower rail to middle rail 12 for 11 rear end of upper rail Between rear end, it is mutually disengaged to avoid three section slides, reduces abrasion of the tensioner 23 at tumbler 21 and fixing piece 22, extended Service life, at the same do not influence the sliding track mechanism 100 can by drawer pull out babinet effective length.

When slide track component 1 is opened completely, the rear portion of the upper rail 11 and the front portion of the middle rail 12 overlap, together In Shi Suoshu the rear portion of rail 12 and the front portion of the lower rail 13 overlap, to strengthen slide track component 1 in open mode Literary stability, prevents drawer from rocking.Preferably, distance of the fixed part 221 away from 11 rear end of upper rail for the upper rail 11 with Middle rail 12 half of 11 rear end of upper rail to the distance of middle 12 front end of rail when opening completely；The lower fixing piece 222 is away from lower rail 13 rear end of lower rail is to the distance of middle 12 front end of rail when the distance of 13 front ends is opened completely for the lower rail 13 and middle rail 12 Half, do not influence the sliding track mechanism 100 can by drawer pull out babinet effective length, and can to avoid the tumbler 21 with Fixing piece 22 collides or rubs, and prolongs the service life.When slide track component 1 is opened completely, it is assumed that 11 rear end of upper rail is in The distance of 12 front end of rail is L, then distance of the upper fixing element 221 apart from 11 rear end of upper rail is L/2；Middle 12 rear end of rail is to before lower rail 13 The distance at end is M, then it is M/2 to descend distance of the fixing piece 222 apart from 13 front end of lower rail.

The tensioner 23 is wound on the fixing piece 22 of two slide track components 1 by front steering part 211 and rear steering part 212 Between and be formed into a loop, i.e., described tensioner 23 is changed direction described so as to connect by front steering part 211 and rear steering part 212 Upper fixing element 221 and lower fixing piece 222.In the present invention, forming circuit refers to：Before the tensioner 23 is located at same fixing piece 22 Two parts of side and rear side are closely connected by the fixing piece 22, no breakpoint；Before the tensioner 23 is located at same fixing piece 22 Two parts of side and rear side are fixed on same slide, without tumbler 21 between two fixing points.Certainly, of the invention specific real Apply in mode, can also not be formed into a loop as the case may be.

In an of the invention specific example, refering to Fig. 6, the fixing piece 22 includes being arranged on the on the first slide track component 1a One upper fixing element 221a and first time fixing piece 222a, the second upper fixing element 221b on the second slide track component 1b, it is described Tensioner 23 is divided for three sections by three fixing pieces 22：By the first front steering part 211a and connect first time fixing piece 222a and The first tensioner of first upper fixing element 221a, successively by the first rear steering part 212a, the second rear steering part 212b and second Front steering part 211b and the second tensioner for connecting the first upper fixing element 221a and the second upper fixing element 221b, successively by second Rear steering part 212b and the first rear steering part 212a simultaneously connects the 3rd of the second upper fixing element 221b and first time fixing piece 222a Tensioner.First tensioner, the second tensioner and the 3rd tensioner are connected each other by fixing piece 22, form one and close The circuit of conjunction.

In pull drawer, when the first upper rail 11a stress pulls out distance a, the upper strata of the first slide track component 1a Tight part 231 is driven distance a by the first front steering part 211a and the first rear steering part 212a to lower floor's tensioner 232, and is tensioned Distance of the part 23 between the first front steering part 211a and the second rear steering part 212b is fixed, therefore 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 The upper strata tensioner 231 of first slide track component 1a is driven distance a；Again because the second front steering part 211b and the second rear steering part The distance between 212b be it is fixed, therefore the upper strata tensioner 231 of the second slide track component 1b to lower floor's tensioner 232 be driven away from From a, at the same 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 upper strata tensioner 231 of from the second rear steering part 212b to the second slide track component 1b are driven distance a.

The upper strata tensioner 231 of first slide track component 1a passes through the first upper fixing element 221a, first time fixing piece respectively 222a is fixed on the first upper rail 11a, the first lower rail 13a；The upper strata tensioner 231 of second slide track component 1b passes through solid on second Determine part 221b to be fixed on the second upper rail 11b.The length of the first tensioner, the second tight part and the 3rd tensioner is all fixed at the same time 's.In pull drawer, when 11 stress of upper rail of the first slide track component 1a pulls out distance a, the first slide track component 1a's Upper strata tensioner 231 is driven lower floor's tensioner 232 of distance a, the second slide track component 1b to the first slide to lower floor's tensioner 232 The upper strata tensioner 231 of component 1a is driven the upper strata tensioner 231 of distance a, the second slide track component 1b to the second slide track component 1b Lower floor's tensioner 232 be driven distance a, therefore the second upper rail 11b also pulls out distance a.Meanwhile the first slide track component 1a The upper strata tensioner 231 of from lower floor's tensioner 232 to the second slide track component 1b are driven distance a, since the length of the 3rd tensioner is Fixed, therefore the second rear steering part 212b is pulled out forward.

When 11 stress of upper rail of the second slide track component 1b pulls out distance a, the length of the 3rd tensioner is solid Fixed, upper rail 11 of the 3rd tensioner by the second rear steering part 212b and the first rear steering part 212a to the second slide track component 1b Distance a is driven, therefore the first rear steering part 212a of the first slide track component 1a is pulled out forward；Again because of first tensioner Length is fixed, 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 to be slidably connected, also to be slidably connected between middle rail 12 and lower rail 13, upper rail 11 it is mobile can drive in rail 12 move together It is dynamic, distance can be pulled out with increase.

In another specific example of the present invention, refering to Fig. 7, the component identical with a upper specific example uses identical mark Number, the fixing piece 22 include be arranged on the first slide track component 1a on the first upper fixing element 221a and first time fixing piece 222a, The second upper fixing element 221b and second time fixing piece 222b on the second slide track component 1b.

The tensioner 23 includes by the first front steering part 211a and connects solid on first time fixing piece 222a and first The first tensioner of part 221a is determined, successively by solid on the first rear steering part 212a, the second rear steering part 212b and connection first Determine the second tensioner of part 221a and second time fixing piece 222b, by the second front steering part 212a and be connected to second time fixation The 3rd tensioner of part 222b and the second upper fixing element 221b, pass through the second rear steering part 212b and the first rear steering part successively 212a and the 4th tensioner for connecting the second upper fixing element 221b and first time fixing piece 222a.First tensioner, second Tensioner, the 3rd tensioner and the 4th tensioner are connected each other by fixing piece 22, form the circuit of a closure.This example Other explanations refer to an example, details are not described herein.

In the following, introducing several embodiments 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, the 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 of auxiliary in rail assembly 5a, the tumbler 21 of rail assembly 5a, tensioner 23 and arranged on two groups of cunnings in the auxiliary The fixing piece 22 of rail assembly, rail assembly 5a is located at the corresponding slide track component 1 and houses sky close to drawer in each auxiliary Between side, the tensioner 23 is wound between the fixing piece 22 of two slide track components 1 by tumbler 21 so that first slides During upper rail 11 or middle rail 12 movement of rail assembly 1a, the tensioner 23 is upper by second slide track component 1b's of the drive of fixing piece 22 Rail 11 or the displacement same distance in the same direction of middle rail 12.That is, in the present embodiment, rail assembly 5a is located at slide rail group in auxiliary The inner side of part 1.

Here, on the basis of the prior art three saves slide, rail assembly 5a in auxiliary is added, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5a, and tumbler 21 and three does not contact each other between saving slide, that is to say, that at this time Tumbler 21, tensioner 23 motion track and three section slides sliding traces do not overlap each other, even if upper rail 11, lower rail 13 it Between gap reduce because of abrasion, the normal operation of tumbler 21 in lazy-tongs 2 will not be influenced, can effectively be solved existing There is the problem of tumbler 21 is interfered with upper rail 11 and/or lower rail 13 in technology.In addition, present embodiment can utilize in the market normal The three section rail structures seen, it is only necessary to coordinate rail assembly in auxiliary of low cost, so that can not only simplify manufacture difficulty, Production cost can also be substantially reduced.

Rail assembly 5a includes an a limit base 51a and screw 52a in each auxiliary, and the screw 52a is movably It is arranged in the limit base 51a, the screw 52a connections tumbler 21, when the upper rail 11 or the movement of middle rail 12, The limit base 51a is remained stationary as, and the screw 52a and the tumbler 21 are moved in the same direction relative to the limit base 51a jointly. Here, limit base 51a is in " recessed " shape, fixed by screw (not indicating) between the bottom surface of limit base 51a and support plate 55a, limit Position seat 51a further includes the first insertion end 511a for protruding out bottom surface and the second insertion end 512a, the first insertion end 511a and second The opening of insertion end 512a extends in the horizontal direction, and screw 52a is limited in the first insertion end 511a and second insertion Hold in 512a.Support plate 55a is horizontally disposed hard plate, can pass through screw institute between support plate 55a and angle bar 6 or lower rail 11 State, certainly, support plate 55a can be also integrally formed 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 52a so that the shifting of the moving direction of screw 52a and the upper rail 11 and/or middle rail 12 Dynamic direction is consistent, that is to say, that the central axes of screw 52a are with tensioner 23 parallel and in same perpendicular.

In the present embodiment, the upper surface of support plate 55a is also formed with a limiting slot 56a, it is corresponding with screw 52a to set Put, to strengthen the control to the moving direction of screw 52a.

In the present embodiment, front steering part 211 is located at the front end of screw 52a, and rear steering part 212 is located at screw 52a's Rear end, the front steering part 211 include the first front steering part for being respectively arranged on the first slide track component 1a, the second slide track component 1b 211a and the second front steering part 211b, the rear steering part 212 include being respectively arranged on the first slide track component 1a, the second slide track component The first rear steering part 212a of 1b and the second rear steering part 212b.The fixing piece 22 is located at the slide track component 1 close to drawer The side of accommodating space, i.e. fixing piece 22 are located at the inner side of slide track component 1, and fixing piece 22 includes being arranged on the first slide track component 1a The first upper fixing element 221a and first time fixing piece 222a, the second upper fixing element 221b on the second slide track component 1b, The tensioner 23 is divided for three sections by three fixing pieces 22：By the first front steering part 211a and connect first time fixing piece The first tensioner of 222a and the first upper fixing element 221a, successively by the first rear steering part 212a, the second rear steering part 212b And second front steering part 211b and connect the first upper fixing element 221a and the second upper fixing element 221b the second tensioner, pass through 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 fixing piece 222a The 3rd tensioner.First tensioner, the second tensioner and the 3rd tensioner are connected each other by fixing piece 22, are formed The circuit of one closure.Certainly, the fixing piece 22 may also comprise the first upper fixing element on the first slide track component 1a 221a and first time fixing piece 222a, the second upper fixing element 221b and second time fixing piece on the second slide track component 1b 222b, at this time, tensioner 23 include the first tensioner, the second tensioner, the 3rd tensioner and the 4th tensioner.Present embodiment Other explanations may be referred to the explanations of this specification other parts, details are not described herein.

As illustrated in figs. 8-12, in second embodiment of the invention, the sliding track mechanism 100 further includes so that the first slide Component 1a and the second slide track component 1b keeps synchronization-moving lazy-tongs 2, and lazy-tongs 2 include matching somebody with somebody with two groups of slide track components 1 Rail assembly 5b, the tumbler 21 of rail assembly 5b, tensioner 23 and arranged on two groups in the auxiliary in the two groups of auxiliary closed The fixing piece 22 of slide track component, rail assembly 5b includes close positioned at the corresponding slide track component 1 respectively in each auxiliary And rail in two auxiliary away from drawer accommodating space both sides, the tensioner 23 are wound on two slide rail groups by tumbler 21 Between the fixing piece 22 of part 1 so that during upper rail 11 or middle rail 12 movement of the first slide track component 1a, the tensioner 23 passes through solid Determine upper rail 11 or the displacement same distance in the same direction of middle rail 12 that part 22 drives the second slide track component 1b.That is, in this embodiment party In formula, rail assembly 5b is located at the interior outside of corresponding slide track component 1 in each auxiliary.

Here, on the basis of the prior art three saves slide, rail assembly 5b in auxiliary is added, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5b, and tumbler 21 and three does not contact each other between saving slide, that is to say, that at this time Tumbler 21, tensioner 23 motion track and three section slides sliding traces do not overlap each other, even if upper rail 11, lower rail 13 it Between gap reduce because of abrasion, the normal operation of tumbler 21 in lazy-tongs 2 will not be influenced, can effectively be solved existing There is the problem of tumbler 21 is interfered with upper rail 11 and/or lower rail 13 in technology.In addition, present embodiment can utilize in the market normal The three section rail structures seen, it is only necessary to coordinate rail assembly in auxiliary of low cost, so that can not only simplify manufacture difficulty, Production cost can also be substantially reduced.It should be noted that compared to first embodiment, present embodiment is by each auxiliary Rail assembly 5b is split into positioned at rail in two auxiliary in the inner side of corresponding slide track component 1 and outside, by a part of tumbler 21 and Tensioner 23 is transferred in the intermediate region of slide track component 1 and box liner, can be effectively reduced rail assembly 5b in auxiliary and be taken Positioned at slide track component 1 close to the space of drawer accommodating space side, so as to accordingly increase drawer volume.

Rail includes a limit base 51b (51b ') and a screw 52b (52b ') in each auxiliary, and the screw 52b can Actively it is arranged in the limit base 51b, the screw 52b connections tumbler 21, when the upper rail 11 or middle rail 12 When mobile, the limit base 51b is remained stationary as, and the common relatively described limit base 51b of the screw 52b and the tumbler 21 is same To movement.Here, limit base 51b is in " recessed " shape, two limit bases 51b, 51b ' bottom surface be connected to corresponding lower rail 11 respectively Close and far from the both side surface of drawer accommodating space.Limit base 51b further includes the first insertion end 511b for protruding out bottom surface And second the opening of insertion end 512b, the first insertion end 511b and the second insertion end 512b extend in the horizontal direction, screw 52b limits In the first insertion end 511b and the second insertion end 512b.Present embodiment can by the setting of limit base 51b Effectively to control the moving direction of screw 52b so that the shifting of the moving direction of screw 52b and the upper rail 11 and/or middle rail 12 Dynamic direction is consistent, that is to say, that the central axes of screw 52b are with tensioner 23 parallel and in same perpendicular.

In the present embodiment, front steering part 211 is located at the front end of screw 52b ', and rear steering part 212 is located at screw 52b's Rear end, that is to say, that rail assembly 5b has two screws (inner side screw 52b and outside screw 52b ') in each auxiliary at this time, Front steering part 211 is located at the front end of outside screw 52b ', and rear steering part 212 is located at the rear end of inner side screw 52b.The front steering Part 211 includes being respectively arranged on the first slide track component 1a, the first front steering part 211a of the second slide track component 1b and the second front steering Part 211b, the rear steering part 212 include the first rear steering part for being respectively arranged on the first slide track component 1a, the second slide track component 1b 212a and the second rear steering part 212b.The fixing piece is included respectively positioned at the corresponding slide track component 1 close and far from pumping The inner side fixing piece 22 and outside fixing piece 22 ' of drawer accommodating space both sides, the inner side fixing piece 22 include being arranged on the first slide Inner side the first upper fixing element 221a and the fixing piece 222a of inner side first time on component 1a, on the second slide track component 1b in Side the second upper fixing element 221b and fixing piece 222b of inner side second time；The outside fixing piece 22 ' includes being arranged on the first slide rail group It is outside the first upper fixing element 221a ' and the fixing piece 222a ' of outside first time on part 1a, outer on the second slide track component 1b Side the second upper fixing element 221b ' and the fixing piece 222b ' of outside second time；The tensioner 23 includes passing through the first front steering part 211a and the first tensioner for connecting the first time fixing piece 222a ' in outside and outside the first upper fixing element 221a ', successively by the One rear steering part 212a, the second rear steering part 212b simultaneously connect inner side the second upper fixing element of first time fixing piece 222a and inner side The second tensioner of 221b, by the first rear steering part 212a and the second rear steering part 212b and connects solid on inner side first successively Determine the 3rd tensioner of part 221a and the fixing piece 222b of inner side second time, by the second front steering part 211b and connect outside second The 4th tensioner of lower fixing piece 222b ' and outside the second upper fixing element 221b '.At this time, the second tensioner and the 3rd tensioner Positioned at the inner side of the first slide track component 1a and the second slide track component 1b, the first tensioner and the 4th tensioner are located at the first slide rail group The outside of part 1a and the second slide track component 1b.Other explanations of present embodiment may be referred to saying for this specification other parts Bright, details are not described herein.

As shown in Figure 13-Figure 17, in third embodiment of the invention, the sliding track mechanism 100 is further included 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 Rail assembly 5c, the tumbler 21 of rail assembly 5c, tensioner 23 and arranged on two in the auxiliary in the 1 two groups of auxiliary coordinated The fixing piece 22 of slide track component 1 is organized, rail assembly 5c is located at the corresponding slide track component 1 away from upper rail 11 in each auxiliary Side, the tensioner 23 is wound between the fixing piece 22 of two slide track components 1 by tumbler 21 so that the first slide During upper rail 11 or middle rail 12 movement of component 1a, the tensioner 23 drives the upper rail of the second slide track component 1b by fixing piece 22 11 or middle rail, 12 displacement same distance in the same direction.That is, in the present embodiment, rail assembly 5c is located at slide track component in auxiliary 1 downside.It should be noted that the sliding track mechanism 100 of present embodiment is suitable for the situation that sliding track mechanism is located at drawer side, There is remaining space in the downside of slide track component 1 to accommodate rail assembly 5c in auxiliary, and first embodiment and the second embodiment party at this time The sliding track mechanism of formula is located at the situation of drawer bottom suitable for sliding track mechanism 100, but is not limited thereto.

Here, on the basis of the prior art three saves slide, rail assembly 5c in auxiliary is added, and by lazy-tongs 2 Tumbler 21 is arranged in auxiliary on rail assembly 5c, and tumbler 21 and three does not contact each other between saving slide, that is to say, that at this time Tumbler 21, tensioner 23 motion track and three section slides sliding traces do not overlap each other, even if upper rail 11, lower rail 13 it Between gap reduce because of abrasion, the normal operation of tumbler 21 in lazy-tongs 2 will not be influenced, can effectively be solved existing There is the problem of tumbler 21 is interfered with upper rail 11 and/or lower rail 13 in technology.In addition, present embodiment can utilize in the market normal The three section rail structures seen, it is only necessary to coordinate rail assembly in auxiliary of low cost, so that can not only 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, in aiding at this time the setting of rail assembly 5c do not interfere with the volume of drawer.

Rail assembly 5c includes an a limit base 51c and screw 52c in each auxiliary, and the screw 52c is movably It is arranged in the limit base 51c, the screw 52c connections tumbler 21, when the upper rail 11 or the movement of middle rail 12, The limit base 51c is remained stationary as, and the screw 52c and the tumbler 21 are moved in the same direction relative to the limit base 51c jointly. Here, support plate 55c is integrally formed with angle bar 6, and the upper surface of support plate 55c is contacted 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 support plate 55c.Limit base 51c, which is further included, protrudes out the first of bottom surface The opening of insertion end 511c and the second insertion end 512c, the first insertion end 511c and the second insertion end 512c are prolonged in the horizontal direction Stretch, screw 52c is limited in the first insertion end 511c and the second insertion end 512c.Present embodiment passes through limit base The setting of 51c can effectively control the moving direction of screw 52c so that the moving direction of screw 52c and the upper rail 11 and/or The moving direction of middle rail 12 is consistent, that is to say, that the central axes of screw 52c are with tensioner 23 parallel and in same vertical In plane.

In the present embodiment, front steering part 211 is located at the front end of screw 52c, and rear steering part 212 is located at screw 52c's Rear end, the front steering part 211 include the first front steering part for being respectively arranged on the first slide track component 1a, the second slide track component 1b 211a and the second front steering part 211b, the rear steering part 212 include being respectively arranged on the first slide track component 1a, the second slide track component The first rear steering part 212a of 1b and the second rear steering part 212b.The fixing piece 22 is by upper rail 11 and lower rail 13 (or support plate 55c) extend on the downside of support plate 55c, fixing piece 22 include the first upper fixing element 221a being arranged on the first slide track component 1a and First time fixing piece 222a, the second upper fixing element 221b on the second slide track component 1b, the tensioner 23 pass through three Fixing piece 22 divides for three sections：By the first front steering part 211a and connect first time fixing piece 222a and the first upper fixing element 221a The first tensioner, successively by the first rear steering part 212a, the second rear steering part 212b and the second front steering part 211b and company The second tensioner of the first upper fixing element 221a and the second upper fixing element 221b are connect, successively by the second rear steering part 212b and One rear steering part 212a and the 3rd tensioner for connecting the second upper fixing element 221b and first time fixing piece 222a.Described first Tight part, the second tensioner are connected with the 3rd tensioner each other by fixing piece 22, form the circuit of a closure.Certainly, institute Fixing piece 22 is stated to may also comprise the first upper fixing element 221a on the first slide track component 1a and first time fixing piece 222a, set In the second upper fixing element 221b and second time fixing piece 222b on the second slide track component 1b, at this time, tensioner 23 includes first Tensioner, the second tensioner, the 3rd tensioner and the 4th tensioner.Other explanations of present embodiment may be referred to this specification The explanation of other parts, details are not described herein.

In an embodiment of the present invention, using tensioner 23 include the first tensioner, the second tensioner, the 3rd tensioner as Example, and by taking the sliding track mechanism 100 in first embodiment as an example, the sliding track mechanism 100 of other embodiment is also applicable, herein No longer it is described in detail one by one.As shown in Figure 18 and Figure 19, the sliding track mechanism 100 further includes electric machine assembly 3, and the electric machine assembly 3 has There are to wind or discharge the first connecting pin 31 and the second connection end 32 of the tensioner 23, be located in the tensioner 23 same Two parts of one fixing piece, 22 front and rear sides are intertwined and connected on first connecting pin 31 and second connection end 32 respectively, institute State and the tensioner 23, another one are shunk by one in the first connecting pin 31 and second connection end 32 when electric machine assembly 3 works Discharge the tensioner 23 and so that the tensioner 23 moves, and then the middle rail 12 and upper rail 11 are driven by fixing piece 22 Mobile, the drawer can realize automatic pull under the driving of motor, easy to use.

In the present embodiment, fixed part 221 include being fastened in upper holding firmware 2211 in the upper rail 11 and Capstan nut 2212 matched with upper holding firmware, the upper strata tensioner 231 are through at quilt in the hole of the capstan nut 2212 It is fixed.The lower fixing piece 222 includes the lower holding firmware 2221 being fastened in the lower rail 13 and arranged on the lower holding firmware First guide part 2222 and the second guide part 2223 on 2221, lower floor's tensioner 232 is by the first guide part 2222 and second Guide part 2223 is oriented to the electric machine assembly 3, and lower floor's tensioner 232 is fixed.In order to facilitate the lower fixing piece 222 of understanding Structure, the first guide part 2222 and the second guide part 2223 of the lower fixing piece 222 do not move with the lower holding firmware 2221 It is dynamic, it is still fixed together with tensioner 23.The hole of capstan nut 2212 is located parallel to screw with the upper tumbler 2121 On 52 same straight line, the first guide part 2222 of mutual cooperation, the second guide part 2223, lower holding firmware 2221 with described lower turn Be located parallel to part 2122 on the same straight line of screw 52, thus the tensioner 23 fixed part 221 with it is lower solid Determine part 222 and fix front and rear remain parallel on the same straight line of the screw 52.

The sliding track mechanism 100 further includes the controller for controlling the electric machine assembly 3 to work, when the controller receives The electric machine assembly 3 is controlled to work during the signal for pulling out or promoting the drawer.The electric machine assembly 3 includes can forward and reverse rotation Motor, travelling gear, the curled hair cylinder that is moved by drive gears turn by motor driving and adjustable rotational speed.Described first connects Connect end 31 and second connection end 31 may be contained within the curled hair cylinder, and in the tensioner 23 before same fixing piece 22 Two part difference reverse-windings of both sides are on first connecting pin 31 and second connection end 32 afterwards.Therefore, in the volume When silk cylinder is rotated around a direction, one shrinks the tensioner 23, another one in the first connecting pin 31 and second connection end 32 Discharge the tensioner 23 and so that the tensioner 23 moves.

First connecting pin 31 and second connection end 32 first with first time fixing piece 222a front and rear sides respectively Tight part and the 3rd tensioner are mutually intertwined and connected.First time fixing piece 222a, which has, is respectively tensioned the first tensioner and the 3rd Part is oriented to the first guide part 2222 and the second guide part 2223 of first connecting pin 31 and second connection end 32.The slide Mechanism 100 further includes the first bushing (not indicating) between the first guide part 2222 and the first connecting pin 31, the tensioning Part of the part 23 between the first guide part 2222 and electric machine assembly 3 is arranged in first bushing, and the tensioner 23 exists Length between first guide part 2222 and electric machine assembly 3 is more than the distance between the first guide part 2222 and electric machine assembly 3；Institute State sliding track mechanism 100 and further include the second bushing (not indicating) between the second guide part 2223 and second connection end 32, institute Part of the tensioner between the second guide part 2223 and electric machine assembly 3 is stated to be arranged in second bushing, and the tensioning Part 23 is more than between the second guide part 2223 and electric machine assembly 3 in the length between the second guide part 2223 and electric machine assembly 3 Distance.Therefore, facilitate the lazy-tongs 2 with electric machine assembly 3 to coordinate to install.

Certainly, first tensioner, the second tensioner, the 3rd tensioner can be by 23, two tensionings of a tensioner Part 23 or three tensioners 23 form.In order to simplify assembling procedure, cost is reduced, a tensioner 23 is used in the present embodiment, The initiating terminal of the tensioner 23 is intertwined and connected in the first connecting pin 31, and end is successively by before the first guide part 2222, 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 Connected after 211b, the second upper fixing element 221b, the second rear steering part 212b, the first rear steering part 212a and the second guide part 2223 In second connection end 32.

When motor rotates forward, the first tensioner is wound on the curled hair cylinder, if the length of winding is a, is then located at The upper strata tensioner 231 of 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 The distance between 212a be it is fixed, and tensioner 23 between the first front steering part 211a and the second rear steering part 212b away from From be it is fixed, therefore lower floor's tensioner 232 of the second slide track component 1b pass through after the second front steering part 211b, second turn Distance a is driven to the upper strata tensioner 231 of part 212b and from the first rear steering part 212a to the first slide track component 1a；Again because of second The distance between front steering part 211b and the second rear steering part 212b are fixed, therefore the upper strata of the second slide track component 1b is tensioned Part 231 is driven distance a to lower floor's tensioner 232, while lower floor's tensioner 232 of the first slide track component 1a passes through the first front steering 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 is driven distance a, and it is a that the 3rd tensioner discharges length from the curled hair cylinder.

The upper strata tensioner 231 of first slide track component 1a passes through the first upper fixing element 221a, first time fixing piece respectively 222a is fixed on the first upper rail 11a, the first lower rail 13a；The upper strata tensioner 231 of second slide track component 1b passes through solid on second Determine part 221b to be fixed on the second upper rail 11b.The length of the first tensioner, the second tight part and the 3rd tensioner is all fixed at the same time '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 11 stress of upper rail of 232 transmission distance a, the first slide track component 1a pulls out distance a；Lower floor's tensioning of second slide track component 1b The upper strata tensioner 231 of from part 232 to the first slide track component 1a be driven the upper strata tensioner 231 of distance a, the second slide track component 1b to Lower floor's tensioner 232 of second slide track component 1b is driven distance a, therefore the second upper rail 11b also pulls out distance a.Meanwhile the Three tensioners are driven distance a from release distance a on curled hair cylinder, the upper strata tensioner 231 of from refrigerator to the second slide track component 1b, due to The length of 3rd tensioner is fixed, therefore the second rear steering part 212b of the second slide track component 1b is pulled out forward.

Certainly, when the fixing piece 22 further includes second time fixing piece in the lower rail 13 of the second slide track component 1b During 222b, it can also 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 can also realize the synchronous disengaging of drawer, and electric machine assembly 3 only there is provided the active force of an automatic shutter, because This, omits electric machine assembly, and drawer remains to realize manually synchronous disengaging.

In another embodiment of the present invention, the first tensioner, the second tensioner, the 3rd tensioner are included with tensioner 23 And the 4th exemplified by tensioner, as shown in Figure 20 and Figure 21, the electric machine assembly 3 includes being intertwined and connected first tensioner and the First electric machine assembly 33 of four tensioners, and the second electric machine assembly 34 of be intertwined and connected the 3rd tensioner and the second tensioner, First electric machine assembly 33 shrinks or discharges respectively the first tensioner and the 4th tensioner, and the second electric machine assembly 34 is shunk respectively Or the 3rd tensioner of release and the second tensioner, so that the tensioner 23 moves, and then institute is driven by fixing piece 22 State middle rail 12 and upper rail 11 moves.

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

Further, in the present embodiment, join Figure 22 and Figure 23 described in lazy-tongs 2 further include be arranged at two after turn To the tensioning sleeve 24 between part 212, adjusting part 4, the adjusting group are equipped with least one of two rear steering parts 212 Part 4 is flexibly connected with the tensioning sleeve 24, and when the adjusting part 4, which is in, tightens state, the tensioning sleeve 24 drives described Tensioner 23 is away from the adjusting part 4 movement until length of the tensioner 23 between two rear steering parts 212 is more than The distance between two rear steering parts 212, and other parts of the tensioner 23 outside the tensioning sleeve 24 are constantly in drawing Tight state so that during upper rail 11 or middle rail 12 movement of the first slide track component 1a, the tensioner 23 is driven by fixing piece 22 Upper rail 11 or middle rail 12 the displacement same distance in the same direction of second slide track component 1b.

Here, compared to the embodiment of no tensioning sleeve 24, length of the tensioner 23 between two rear steering parts 212 The distance between more than two rear steering parts 212；It is easily installed, and without worrying the tensioner 23 outside the tensioning sleeve 24 Other parts can relax.In addition, for the ease of the installation of tensioner 23, longer tensioner 23 can be generally provided, when After tensioner 23 is assembled on fixing piece 22 and tumbler 21, tensioner 23 is easily in relaxed state, and present embodiment utilizes Adjusting part 4 can effectively adjust the elasticity of other tensioners 23 outside tensioning sleeve 24 so that other outside tensioning sleeve 24 Tight part 23 remains tensioned state, so as to improve synchronism and stability.

In a specific example of the invention, the adjusting part 4 is installed on the rear steering part 212 of the second slide track component 1b It is interior, adjusting part is not present in the rear steering part of the first slide track component 1a, certainly, in other examples, in order to improve adjusting model Enclose and adjust convenience, also can be respectively provided with adjusting part 4 in two rear steering parts 212.

Rear steering part 212 is fixed on the rear end of screw 52 by pedestal 213, in the first slide track component 1a sides, the tensioning Retaining collar 25 is provided between set 24 and 23 pedestal 213 of the tensioner, the retaining collar 25 is vertical with the screw 52, Part of the tensioner 23 in the retaining collar 25 after extending past rear steering part 212 from the part close to rear with simultaneously turning It is perpendicular and in the same plane to another part of part 212 so that the tensioner 23 slide open or Run smooth in closing process, save the strength；When can reduce the tensioner 23 at the same time around the rear steering part 212 movement Abrasion, extends the service life.

In the second slide track component 1b sides, as shown in figure 12, the adjusting part 4 is located in the pedestal 213, the adjusting Component 4 includes upper adjusting part 4a and lower adjusting part 4b, and upper adjusting part 4a coordinates with upper tumbler 2121, is worn for adjusting The length of the tensioner 23 of tumbler 2121 is crossed, the lower adjusting part 4b coordinates with lower tumbler 2122, is worn for adjusting Cross down the length of the tensioner 23 of tumbler 2121.Below.The structure of adjusting part is described in detail exemplified by following adjusting part 4b.

As shown in figure 13, the pedestal 213 has the first opening 2131 and the second opening 2132 for being mutually perpendicular to and turning on, The end of the tensioning sleeve 24 is at the described second opening 2132, and the tensioner 23 being arranged in the tensioning sleeve 24 is by the Two openings 2132 are 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 fixing piece 22.It should be noted that first the 2131, second opening 2132 of opening of upper adjusting part 4a and lower adjusting part 4b Can be the opening mutually completely cut off, to avoid getting lines crossed.

Specifically, the synchronous top spring 42 that the adjusting part 4 includes pin member 41 and drives the pin member 41 to move, institute It is hollow structure to state on pedestal 213 formed with one first convex portion 2133, the pin member 41, and on the inner wall of the pin member 41 Formed with the second convex portion 411, first convex portion 2133 is enclosed with second convex portion 411 is set as an accommodating chamber (not indicating), institute Synchronous top spring 42 is stated just to be placed in the accommodating chamber.Here, the first convex portion 2133 and the second convex portion 411 are non-fully to close Structure, tensioner 23 can sequentially pass through the second convex portion 411, the first convex portion 2133, lower tumbler 2122 and extend to first and open At mouth 2131.

The synchronous top spring 42 has the first end 421 and second end 422 being oppositely arranged, and the tensioning sleeve 24 has close The first end 241 of the synchronous top spring, the first end 421 abut first convex portion 2133, the second end 422 and institute State the both sides that first end 241 is connected to second convex portion 411 respectively.Here, since the diameter of tensioning sleeve 24 is more than tensioning The diameter of part 23, supports tensioning sleeve 24 at the second convex portion 411 using diameter difference, and tensioner 23 just can be to pass through Two convex portions 411.

When the adjusting part 4 is in original state, the tensioning sleeve 24 supports the second convex portion 411, so that together In the spacing accommodating chamber surrounded in the first convex portion 2133 and the second convex portion 411 of spring 42 of step top, pin member 41 does not move.

When the adjusting part 4, which is in, tightens state, the tensioning sleeve 24 drives tensioner 23 to be moved towards A directions, Tensioning sleeve 24 departs from the second convex portion 411, meanwhile, the second convex portion 411 also disappears the active force of synchronous top spring 42, at this time synchronous top Spring 42 can promote the second convex portion 411 to be moved towards A directions, that is to say, that synchronous top spring 42 drives pin member 41 towards A side at this time To movement, until the second convex portion 411 supports tensioning sleeve 24 again.Pass through above-mentioned adjusting process, the tensioner in the left side of tensioning sleeve 24 23 are pulled a distance to A directions, and length of the tensioner 23 between two rear steering parts 212 is more than two rear steerings The distance between part 212, that is to say, that at this time, the unnecessary length of tensioner 23 has been consumed, and the tensioner 23 is in institute The other parts stated outside tensioning sleeve 24 are in tensioned state.

In the present embodiment, the lazy-tongs 2 further include inserted sheet 26, if on the outer wall of the pin member 41 formed with Dry slot 412, the pedestal 213 correspond to and pass through the socket formed with an at least socket 2134, the inserted sheet 26 at slot 412 2134 and be inserted into the slot 412 and so that the pin member 41 is relatively fixed with the pedestal 213.Here, when needing to adjust When saving 23 length of tensioner, inserted sheet 26 is extracted so that pin member 41 can be moved with opposite base 213, after the completion of adjusting, insertion Inserted sheet 26, with the position of Fixed latches part 41.

In the present embodiment, one end of the pin member 41 is also formed with positive stop end 413, is formed on the pedestal 213 There are the confined planes 2135 coordinated with the positive stop end 413, when the pin member 41 moves to extreme position, the positive stop end 413 towards the confined planes 2135 movement until the positive stop end 413 is interfered with each other with the confined planes 2135.Here, it is spacing Face 2135 and the setting of positive stop end 413, on the one hand, pedestal 213, the opposing party can be departed from during the motion to avoid pin member 41 Face, can also limit the mobile range of pin member 41.

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

In conclusion the sliding track mechanism 100 of the present invention, tensioner 23 are wound on two slide track components 1 by tumbler 21 Fixing piece 22 between, and the upper rail 11 of the one of slide of 23 interconnection of the tensioner and another slide track component 1 Lower rail 13 so that during upper rail 11 or middle rail 12 movement of the first slide track component 1a, the tensioner 23 is driven by fixing piece 22 Upper rail 11 or middle rail 12 the displacement same distance in the same direction of second slide track component 1b, realizes the synchronizing moving of two groups of slide track components 1, keeps away Exempt from draw process because it is firmly uneven and caused by deflection or wave phenomenon, and can be in the optional position in draw process Drawer is locked, muting function is good in whole process；By increasing rail assembly 5 in auxiliary, and tumbler 21 is arranged in auxiliary On rail assembly 5, the change in gap does not interfere with the normal operation of tumbler 21 between upper rail 11, lower rail 13, so as to ensure same Walk the stability of mechanism 2；By the mutual cooperation of electric machine assembly 3 and lazy-tongs 2, when the electric machine assembly 3 works so that even The tensioner 23 for being connected to the electric machine assembly 3 moves, and then drives the middle rail 12 and upper rail 11 to move by fixing piece 22 It is dynamic, realize automatic pull drawer, it is easy to use；By setting adjusting part 4, the elasticity of tensioner 23 can be effectively adjusted, Improve user experience.

It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one A independent technical solution, this narrating mode of specification is only that those skilled in the art will should say for clarity For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should all be included in the protection scope of the present invention.

Claims

1. a kind of sliding track mechanism, pulls out or promotes in babinet for drawer, including the first slide track component being oppositely arranged and Two slide track components, each slide track component have upper rail, middle rail and the lower rail being mutually slidably matched, it is characterised in that：The slide Mechanism further includes so that the first slide track component and the second slide track component keep synchronization-moving lazy-tongs, lazy-tongs include with Rail assembly in two groups of auxiliary that two groups of slide track components coordinate, the tumbler of rail assembly, tensioner and set in the auxiliary Rail assembly includes close positioned at the corresponding slide track component respectively in the fixing piece of two groups of slide track components, each auxiliary And away from rail in two of drawer accommodating space both sides auxiliary, the tensioner is wound on two slide track components by tumbler Between fixing piece so that when the upper rail of the first slide track component or middle rail move, the tensioner drives second to slide by fixing piece The upper rail of rail assembly or middle rail displacement same distance in the same direction；Rail includes limit base and screw, the screw in each auxiliary It is movably disposed in the limit base, the screw connects the tumbler, described when the upper rail or the movement of middle rail Limit base remains stationary as, and the screw and the tumbler move in the same direction relative to the limit base jointly.

2. sliding track mechanism according to claim 1, it is characterised in that：The limit base is fixedly arranged in the lower rail.

3. sliding track mechanism according to claim 2, it is characterised in that：Two limit bases difference of rail assembly in each auxiliary Both side surface positioned at corresponding lower rail close and far from drawer accommodating space.

4. sliding track mechanism according to claim 1, it is characterised in that：The limit base includes mutually separating first set Insertion end and the second insertion end, the screw are limited in first insertion end and second insertion end.

5. sliding track mechanism according to claim 1, it is characterised in that：Put down with the tensioner central axes of the screw OK.

6. sliding track mechanism according to claim 1, it is characterised in that：The tumbler includes pedestal and is arranged in pedestal Wheel disc, the tensioner is set around at the wheel disc, and the screw interfixes with the pedestal.

7. sliding track mechanism according to claim 1, it is characterised in that：The tumbler includes front steering part and rear steering Part, the screw include the inner side screw positioned at the corresponding slide track component close and far from drawer accommodating space both sides respectively And outside screw, the rear steering part are located at the rear end of the inner side screw, the front steering part is located at the outside screw Front end.

8. sliding track mechanism according to claim 7, it is characterised in that：The fixing piece is included respectively positioned at corresponding described Close and far from the inner side fixing piece and outside fixing piece of drawer accommodating space both sides, the inner side fixing piece includes slide track component The first upper fixing element of inner side and the fixing piece of inner side first time on the first slide track component, on the second slide track component in The second upper fixing element of side and the fixing piece of inner side second time；The outside fixing piece includes the outside the being arranged on the first slide track component Under one upper fixing element and the fixing piece of outside first time, the second upper fixing element of outside on the second slide track component and outside second Fixing piece；The tumbler is included after being arranged on the first front steering part and first of rail assembly in the auxiliary for coordinating the first slide track component Tumbler, arranged on coordinate the second slide track component auxiliary in rail assembly the second front steering part and the second rear steering part；Described Tight part includes by the first front steering part and connects the first tensioner of the fixing piece of outside first time and the first upper fixing element of outside, By the first rear steering part, the second rear steering part and connect the of the first time fixing piece in inner side and the second upper fixing element of inner side successively Two tensioners, by the first rear steering part and the second rear steering part and connect under inner side the first upper fixing element and inner side second successively 3rd tensioner of fixing piece, by the second front steering part and connects the fixing piece of outside second time and the second upper fixing element of outside 4th tensioner.

9. a kind of refrigerator, it is characterised in that including the sliding track mechanism as described in any one in claim 1-8.