CN104323607B - Slide rail mechanism - Google Patents
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- CN104323607B CN104323607B CN201410372501.2A CN201410372501A CN104323607B CN 104323607 B CN104323607 B CN 104323607B CN 201410372501 A CN201410372501 A CN 201410372501A CN 104323607 B CN104323607 B CN 104323607B
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- steering part
- slide track
- track component
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Abstract
The invention provides a slide rail mechanism. The slide rail mechanism comprises first slide rail assemblies and second slide rail assemblies which are arranged oppositely, and a synchronizing mechanism, wherein each slide rail assembly comprises an upper rail, a middle rail and a lower rail which are in sliding fit with one another; the synchronizing mechanism is used for keeping the first slide rail assemblies and the second slide rail assemblies move synchronously; the synchronizing mechanism comprises steering parts, fixing parts and tensioning parts arranged on the two groups of slide rail assemblies; the tensioning parts are wound between the fixing parts of the two groups of slide rail assemblies through the steering parts; the steering parts comprise front steering parts and back steering parts fixed at the front and back ends of each middle rail respectively; the synchronizing mechanism further comprises a tension sleeve arranged between the two back steering parts; the lengths of the tensioning parts between the two back steering parts are greater than the distance between the two back steering parts; portions, which are positioned between the two back steering parts, of the tensioning parts are inserted into the tensioning sleeve; other portions, which are positioned outside the tensioning sleeve, of the tensioning parts are always in tensioned states, so that the two groups of slide rail assembles move synchronously.
Description
Technical field
The present invention relates to a kind of sliding track mechanism, more particularly, to a kind of synchronous, quiet sliding track mechanism.
Background technology
At present, three section slide rails on market are primarily present following problem in actual applications: first, produce during use
Noise: existing three section slide rails, are first run using upper rail, when upper rail range ability culminates, using upper rail and middle rail
Stopping means contact-impact, middle rail is pulled out；In equally adopting, rail and the stopping means contact-impact of lower rail, reach middle rail and are led
The distance drawn reaches limit；And stopping means produces making an uproar of " pedaling, pedal " in upper rail with middle rail, middle rail and lower rail contact impact
Sound, brings high frequency noise to user.Secondly, produce double swerve during use: existing three section slide rails are in actual applications
How by the way of paired, and the method for operation using foregoing description, the transmissions between three section slide rails are using some steel balls works simultaneously
Carriage between for each rail；Therefore, three section slide rails can not pin each other, reserve reduction space in front and back, lead to actually used
In, active force during pull-out and the direction of power must be on two slide rail center lines；Otherwise by a pair three section slide rail pull-outs
Device surface occurs tandem scene, and optional position after pull-out, when both hands use both sides amount of force different
When, the phenomenon rolling can be produced, bring potential safety hazard to user.
In order to solve problem above, market occurs in that improved sliding track mechanism: (1) saves wherein the one of slide rails at a pair three
Make connecting rod at the faying surface of rail and fix holes mechanism, a pair of slide rail is fixed by centre connecting rod indirectly simultaneously, thus weaken left and right shaking
Shake.(2) additional a pair of the symmetrical rack in the bottom surface of the lower rail saving slide rails at a pair three, the symmetrical gear mating with tooth bar for a pair, tooth
Tie rod holes fixing device is reserved at wheel center, is indirectly fixed lower rail with a connecting rod, thus weaken rolling simultaneously.
The mechanism that above two solution is rolled, all fixes wherein one rail mode in three section slide rails using connecting rod, because
For connecting rod may run-off the straight between two slide rails, therefore still can not effect a radical cure the pull-out of symmetrical slide rail apart from equal, thus
Double swerve on a pair three section slide rails for the object can not be effected a radical cure.In actual applications, the first mechanism is relatively easy but effect
Bad, before and after the section slide rail of left and right three, the minimizing of reserved reduction space is less, still suffers from more apparent double swerve, and adopts connecting rod mode
To needing to have certain restriction in the object structures sliding over, need to avoid connecting rod, exist when three section slide rails run has simultaneously
The shock sound of " pedaling ".Second structure is relatively complicated and expensive, but using tooth bar, gear and linkage, to needs
There is very big limiting and reduce the useful space using object between slide rail in the object structures sliding over, there is " pedaling " simultaneously
Sound.
In view of this it is necessary to be improved to existing slide track component, to solve the above problems.
Content of the invention
It is an object of the invention to provide a kind of synchronous, quiet sliding track mechanism.
For achieving the above object, the invention provides a kind of sliding track mechanism, pull out in casing for drawer or push away
Enter, including the first slide track component being oppositely arranged and the second slide track component, every in the first slide track component and the second slide track component
One slide track component be respectively provided with the upper rail being mutually slidably matched, middle rail and lower rail it is characterised in that: described sliding track mechanism also includes making
Obtain the first slide track component and the second slide track component keeps synchronization-moving lazy-tongs, lazy-tongs are included located at two groups of slide rail groups
The tumbler of part, fixture and tensioner, described tensioner by tumbler be wound on two slide track components fixture it
Between；Described fixture is included located at the first upper fixing element in the upper rail of the first slide track component, under the first slide track component
First time fixture on rail, the second upper fixing element in the upper rail of the second slide track component, located at the second slide track component
Second time fixture in lower rail；Described tumbler includes the first front steering of the front end of the middle rail located at the first slide track component
Part, located at the first slide track component middle rail rear end the first rear steering part, located at the second slide track component middle rail front end
Second front steering part, located at the second slide track component middle rail rear end the second rear steering part；Described tensioner is by two tensionings
Part forms, and the starting point of a wherein tensioner is fixed on first time fixture, and terminal sequentially passes through the first front steering part, on first
It is fixed in the lower rail of the second slide track component after fixture, the first rear steering part, the second rear steering part；Another tensioner rise
Point be fixed on second time fixture, terminal sequentially pass through the second front steering part, the second upper fixing element, the second rear steering part, first
It is fixed on after rear steering part in the lower rail of the first slide track component；Described lazy-tongs also include being arranged at the first rear steering part and
Tensioning sleeve between two rear steering parts, length between the first rear steering part and the second rear steering part for the described tensioner is more than the
The distance between one rear steering part and the second rear steering part, described tensioner is between the first rear steering part and the second rear steering part
Part be arranged in described tensioning sleeve, other parts outside described tensioning sleeve for the described tensioner are constantly in tension,
When the upper rail of the first slide track component or middle rail are moved, described tensioner drives the upper rail of the second slide track component by fixture
Or middle rail displacement same distance in the same direction.
As a further improvement on the present invention, each rear steering part in the first rear steering part and the second rear steering part is all logical
Cross tumbler pedestal to be fixed on middle rail, between described tensioning sleeve and described tumbler pedestal, be provided with retaining collar, described solid
Determine the collar vertical with described middle rail, part in described retaining collar for the described tensioner extends past rear steering with from this part
After part and perpendicular and in the same plane near another part of rear steering part.
As a further improvement on the present invention, each front steering part in the first front steering part and the second front steering part is set
It is set to described tensioner and be divided into upper strata tensioner and lower floor's tensioner after front steering part, after the first rear steering part and second
Upper tumbler that each rear steering part in tumbler all includes matching with described upper strata tensioner, lower floor's tensioner respectively,
Lower tumbler, described upper strata tensioner, lower floor's tensioner difference after the upper tumbler, lower tumbler of wherein one slide track component
The lower tumbler that extends to be fixed on another slide track component, upper tumbler.
As a further improvement on the present invention, described upper strata tensioner and described lower floor tensioner are each parallel in described
Rail.
The invention has the beneficial effects as follows: the sliding track mechanism of the present invention, synchronization is formed by tumbler, fixture and tensioner
Mechanism, tensioner be wound between the fixture of two slide track components by tumbler so that the upper rail of the first slide track component or
When middle rail is mobile, described tensioner drives upper rail or the middle rail displacement same distance in the same direction of the second slide track component by fixture,
Realize the synchronizing moving of two groups of slide track components, it is to avoid the deflection that causes in draw process or wave existing because of firmly uneven
As；And drawer can be locked in the optional position in draw process, in whole process, muting function is good.Outside two, by after two
It is provided with tensioning sleeve, thus convenient install between tumbler.
Brief description
Fig. 1 is the structural representation that is closed of sliding track mechanism of the present invention.
Fig. 2 is the optical cable of Fig. 1.
Fig. 3 is that the sliding track mechanism of Fig. 1 is in the structural representation of open mode.
Fig. 4 is the structural representation of the lazy-tongs of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings with specific embodiment pair
The present invention is described in detail.
Refer to shown in Fig. 1 to Fig. 4, the invention provides one kind pulls out in casing or advances for drawer (not shown)
Sliding track mechanism 100, including two groups of slide track components 1 being oppositely arranged, so that two groups of slide track components 1 keep synchronization-moving synchronization
Mechanism 2.Certainly described sliding track mechanism 100 can be used for pull, extension or the contraction of other structures.
Described slide track component 1 includes the first slide track component 11a and the second slide track component 11b, and each slide track component 1 has phase
Upper rail 111, middle rail 112 and the lower rail 113 being mutually slidably matched, that is, the first slide track component 11a there is the first upper rail cooperating
111a, rail 112a and the first lower rail 113a in first, described second slide track component 11b has the second upper rail cooperating
111b, rail 112b and the second lower rail 113b in second.Described lower rail 113 is fixed on casing by angle bar, described upper rail 111 with
Drawer phase is fixed, and described middle rail 112 is equipped between described upper rail 111 and lower rail 113.During use, described lower rail 113 is solid
Fixed motionless, described middle rail 112 and upper rail 111 relative lower rail 113 can pull out or advance, and then drive described in drawer pull-out or propulsion
In casing；Described lower rail 113 is orbit determination, and described middle rail 112 and upper rail 111 are dynamic rail.
Described slide track component 1 also includes upper townhouse ball 114 between described upper rail 111 and described middle rail 112, sets
Lower townhouse ball 115 between described middle rail 112 and described lower rail 113, draws in upper rail 111 or middle rail 112 lower rail 113 relatively
Friction can be reduced during going out or advancing, laborsaving.Described upper rail 111, lower rail 113 are respectively arranged with rail 112 in direction and open
The upper groove 1111 of mouth, low groove 1131；Described upper townhouse ball 114, lower townhouse ball 115 are individually fixed in middle rail 112
Upside, downside, and it is contained in described upper groove 1111 respectively, in low groove 1131.Further, described upper townhouse ball 114
Including the matrix being fastened in middle rail 112 upside and some balls on matrix, described lower townhouse ball 115 includes being fastened in
The matrix of middle rail 112 downside and some balls on matrix.
Described lazy-tongs 2 include tumbler 21 located at two groups of slide track components 1, fixture 22, tensioner 23 and
Tight set 24.Described tensioner 23 is wound around, by tumbler 21, some fixations being arranged at (being wound on) two slide track components 1 successively
Between part 22 and connect some fixtures 22 so that when the upper rail 111 of the first slide track component 11a or middle rail 112 are mobile, described
Tight part 23 drives upper rail 111 or the middle rail 112 displacement same distance in the same direction of the second slide track component 11b by fixture 22, realizes
The synchronizing moving of two groups of slide track components 1, it is to avoid the deflection that causes because of firmly uneven in draw process or wave phenomenon；
And drawer can be locked in the optional position in draw process, in whole process, muting function is good.
Described tumbler 21 includes front steering part 211, the rear steering part 212 being respectively arranged on each middle rail 112 front and back ends,
Described front steering part 211 include being respectively arranged on the first slide track component 11a, the first front steering part 211a of the second slide track component 11b,
Second front steering part 211b, described rear steering part 212 includes being respectively arranged on the first slide track component 11a, the second slide track component 11b
First rear steering part 212a, the second rear steering part 212b.
Described front steering part 211 is arranged to described tensioner 23 and is divided into upper strata tensioner after front steering part 211
231 with lower floor's tensioner 232, described rear steering part 212 include respectively with described upper strata tensioner 231, lower floor's tensioner 232 phase
The upper tumbler 2121 of cooperation, lower tumbler 2122, described upper strata tensioner 231, lower floor's tensioner 232 are through wherein one slide rail
Each extend over to the lower tumbler being fixed on another slide track component 1 after the upper tumbler 2121 of assembly 1, lower tumbler 2122
2122nd, upper tumbler 2121, connects upper rail 111, the lower rail 113 being located at two groups of slide track components 1 respectively in crossing manner.
Described front steering part 211 is the wheel disc bypassing for tensioner 23 is in the vertical pulley installed, described upper tumbler
2121 with lower tumbler 2122 be the wheel disc bypassing for tensioner 23 be in the pulley being horizontally mounted, described tensioner 23 bypasses described
The position of extreme higher position and described tensioner 23 tumbler 2121 on described that front steering part 211 reaches wheel disc is located at always
On line so that described upper strata tensioner 231 is parallel to described middle rail 112；Described tensioner 23 bypasses described front steering part 211 and arrives
Reach the extreme lower position of wheel disc and be located parallel on the straight line of middle rail 112 positioned at the position of described lower tumbler 2122, with
Make described lower floor tensioner 232 parallel to described middle rail 112；So that described sliding track mechanism 100 run smooth.
Described fixture 22 includes two upper fixing elements 221 being respectively arranged in two upper rails 111 and located at least one
At least one lower fixture 222 in lower rail 113.
During described slide track component 1 is opened, closes and opened or closed, fixed part 221 is always positioned at
To between middle rail 112 front end, described lower fixture 222 is always positioned at described lower rail 113 front end to middle rail for described upper rail 111 rear end
Between 112 rear ends, to avoid three section slide rails to be mutually disengaged, to reduce abrasion at tumbler 21 and fixture 22 for the tensioner 23,
Increase the service life, do not affect the effective length that drawer can be pulled out casing by described sliding track mechanism 100 simultaneously.
When slide track component 1 fully opens, the rear portion of described upper rail 111 is overlapped with the front portion of described middle rail 112,
The rear portion of simultaneously described middle rail 112 and the front portion of described lower rail 113 overlap, to strengthen slide track component 1 in open mode
When stability, prevent drawer from rocking.Preferably, the distance away from upper rail 111 rear end for the fixed part 221 is described upper rail
The half of 111 distances to middle rail 112 front end for described upper rail 111 rear end when fully opening with middle rail 112；Described lower fixture
When 222 distances away from lower rail 113 front end are fully opened with middle rail 112 for described lower rail 113, described lower rail 113 rear end is to middle rail
The half of the distance of 112 front ends, it is to avoid affect the effective length that drawer can be pulled out casing by described sliding track mechanism 100, and permissible
Avoid described tumbler 21 to collide with fixture 22 or rub, increase the service life.When slide track component 1 fully opens,
The distance of hypothesis upper rail 111 rear end to middle rail 112 front end is l, then the distance apart from upper rail 111 rear end for the upper fixing element 221 is l/
2；The distance of middle rail 112 rear end to lower rail 113 front end is m, and the distance apart from lower rail 113 front end for the lower fixture 222 is m/2.
Described tensioner 23 passes through front steering part 211 and rear steering part 212 is wound on the fixture 22 of two slide track components 1
Between and form loop, that is, described tensioner 23 is passed through front steering part 211 and rear steering part 212 and is changed direction described in thus connecting
Upper fixing element 221 and lower fixture 222.In the present invention, form loop and refer to: before described tensioner 23 is located at same fixture 22
Two parts of side and rear side are closely connected by this fixture 22, no breakpoint；Or two end points of described tensioner 23 are fixed
In being same as on slide rail, no tumbler 21 between two end points on the direction along this slide rail.
Beginning and end when described tensioner 23 extends on loop is located at the same upper rail 111 of slide track component 1 or same
In one lower rail 112.When described tensioner 23 is one, the beginning and end of described tensioner 23 is located at the same of slide track component 1
In one upper rail 111 or same lower rail 112, and same position is fixed on by fixture 22 or multiple fixture 22 is fixed on
Different positions.When described tensioner 23 is at least two tensioner 23, the beginning and end position of two neighboring tensioner 23
In the same upper rail 111 or same lower rail 112 of slide track component.Taking two tensioner 23 as a example, a wherein tensioner 23
Starting point is located in same upper rail 111 or same lower rail 112 with the terminal of another tensioner 23；And the terminal of this root tensioner 23
It is located in same upper rail 111 or same lower rail 112 with the starting point of another tensioner 23.
In the present embodiment, fixed part 221 has the fixing point that tensioner 23 is fixed on upper rail 111, from
And described upper strata tensioner 231 is same tensioner, conveniently installs and simplify installation procedure.Described lower fixture 222 has
Have and tensioner 23 is fixed on the two fixing points of lower rail 113 with fixing two sections of tensioner 23 before and after lower fixture 222
Or two end points of same tensioner 23.Fixed part 221 includes the upper holding firmware being fastened in described upper rail 111
2211 and the capstan nut 2212 that matches with upper holding firmware 2211, described upper strata tensioner 231 is through at described capstan nut
2212 in the hole is fixed.Described lower fixture 222 includes the lower holding firmware 2221 being fastened in described lower rail 113 and located at institute
State the snap collar 2222 on lower holding firmware 2221, described lower floor tensioner 232 is provided with is joined with described snap collar 2222 phase buckle
The buckle set (non-label) closing, described lower floor tensioner 232 is fixing.The hole of capstan nut 2212 and described upper tumbler
On the 2121 same straight lines being located parallel to middle rail 112, the snap collar 2222 and described buckle set and described lower turn that cooperate
It is located parallel on the same straight line of middle rail 112 to part 2122, therefore described tensioner 23 is solid with lower in fixed part 221
Still remain parallel to as before fixation after determining part 222 fixation on the same straight line of described middle rail 112.
When described fixture 22 includes the first upper fixing element 221a on the first slide track component 11a and first time fixation
When part 222a, the second upper fixing element 221b on the second slide track component 11b, described tensioner 23 passes through the first upper fixing element
221a, first time fixture 222a and these three fixtures 22 of the second upper fixing element 221b are divided into three sections: through the first front steering
Part 211a simultaneously connects first time fixture 222a and 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 the second front steering part 211b simultaneously connect the first upper fixing element 221a and the second upper fixing element
Second tensioner of 221b, sequentially passes through the second rear steering part 212b and the first rear steering part 212a and connects the second upper fixing element
3rd tensioner of 221b and first time fixture 222a.Described first tensioner, the second tensioner and the 3rd tensioner are each other
It is connected by fixture 22, form the loop of a closure.
Certainly, described first tensioner, the second tensioner and 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, reduces cost, in the present embodiment, adopt a tensioner 23,
The starting point of described tensioner 23 is fixed on first time fixture 222a, and terminal sequentially passes through the first front steering part 211a, on first
Fixture 221a, the first rear steering part 212a, the second rear steering part 212b, the second front steering part 211b, the second upper fixing element
It is fixed on the lower rail 113 with first time fixture 222a after 221b, the second rear steering part 212b and the first rear steering part 212a
On, to form a loop with starting point.The terminal of described tensioner 23 and starting point are equipped with buckle and cover and pass through same lower solid
Determine part 222 to be fixed in the first lower rail 113a, or the terminal of described tensioner 23 is fixed in the first lower rail 113a and starting point
Different other positions.It is different from the present embodiment, the beginning and end of described tensioner 23 can also be fixed on the first upper rail
On 111a or the second upper rail 111b, its canoe is identical with above-mentioned canoe.
In pull drawer, when in the first upper rail 111a is relative to first, rail 112a pull-out is apart from a, positioned at the first slide rail group
Upper strata tensioner 231 on part 11a passes through the first front steering part 211a to the lower floor's tensioner on the first slide track component 11a
232 transmissions are apart from a；Because the distance between the first front steering part 211a and the first rear steering part 212a are fixing, therefore exist
Positioned at the upper strata tensioner 231 of the first slide track component 11a mobile when, connected be located on the second slide track component 11b under
Layer tensioner 232 will compensate transmission apart from a to the upper strata tensioner 231 positioned at the first slide track component 11a；Second forward simultaneously
It is fixing to the distance between part 211b and the second rear steering part 212b, then be now placed in the upper strata of the second slide track component 11b
Tensioner 231 is driven apart from a to the lower floor's tensioner 232 positioned at the second slide track component 11b, and then by positioned at the second slide rail group
The upper strata tensioner 231 of part 11b pull the second upper fixing element 221b and promote the second upper rail 111b relative to second in rail 112b to
Front pull-out is apart from a；It is located at lower floor's tensioner 232 of the first slide track component 11a to the upper strata positioned at the second slide track component 11b simultaneously
Tensioner 231 is driven apart from a, and now, because first time fixture 222a maintains static, in therefore first, rail 112a is with respect to
One lower rail 113a pulls out forward apart from a, and in the same manner, in second, rail 112b pulls out forward apart from a with respect to the second lower rail 113b.First
Slide track component 11a and the second slide track component 11b synchronously pulls out, and drawer pull-out coverage is upper rail 111 with respect to middle rail 112
Pull-out apart from a and middle rail 112 with respect to lower rail pull-out apart from a sum, that is, effective pull-out distance of drawer is 2a.
In the same manner, when in the second upper rail 111b is relative to second, rail 112b pull-out is apart from a, also drive the first upper rail 111a, the
In rail 112a and second in, apart from a, the coverage of drawer pull-out is 2a for rail 112b pull-out.
When the number of described fixture 22 is 4, including the upper rail 111, the lower rail that are respectively arranged on the first slide track component 11a
113 the first upper fixing element 221a, first time fixture 222a, the upper rail 111 being respectively arranged on the second slide track component 11b, lower rail
113 the second upper fixing element 221b, second time fixture 222b.Described tensioner 23 pass through the first upper fixing element 221a, first
Lower fixture 222a, the second upper fixing element 221b and second time this four fixture 22 of fixture 222b are divided into four sections: Jing Guo
One front steering part 211a connect the first upper fixing element 221a and first time fixture 222a first before tensioner, before second
Tumbler 211b connect the second upper fixing element 221b and second time fixture 222b second before tensioner, through two rear steerings
Part 212 and connect the upper fixing element 221 of the first slide track component 11a and the lower fixture 222 of the second slide track component 11b first after
Tensioner, through two rear steering parts 212 and connect lower fixture 222 and the second slide track component 11b of the first slide track component 11a
Upper fixing element 221 second after tensioner.
After tensioner before described first, tensioner after first, tensioner and second before second, tensioner can be by one
Tight part 23, three tensioner 23 of 23, two tensioner or four tensioner 23 form.When using two tensioner 23, taking out
In drawer draw process, the stress point dispersion of tensioner 23, long service life.The starting point of a wherein tensioner 23 is fixed on first
Lower fixture 222a, terminal sequentially pass through the first front steering part 211a, the first upper fixing element 221a, the first rear steering part 212a,
It is fixed in the lower rail 113 of the second slide track component 11b after second rear steering part 212b；The starting point of another tensioner 23 is fixed on
Second time fixture 222b, terminal sequentially passes through the second front steering part 211b, the second upper fixing element 221b, the second rear steering part
It is fixed in the lower rail 113 of the first slide track component 11a after 212b, the first rear steering part 212a.Certainly, two tensionings, 23 rise
Point and terminal can also be fixed on other fixtures 22 and form loop, to reach same effect.
In pull drawer, when in the first upper rail 111a is relative to first, rail 112a pull-out is apart from a, positioned at the first slide rail group
Upper strata tensioner 231 on part 11a passes through the first front steering part 211a to the lower floor's tensioner on the first slide track component 11a
232 transmissions are apart from a；Because the distance between the first front steering part 211a and the first rear steering part 212a are fixing, therefore exist
Positioned at the upper strata tensioner 231 of the first slide track component 11a mobile when, connected be located on the second slide track component 11b under
Layer tensioner 232 will compensate transmission apart from a to the upper strata tensioner 231 positioned at the first slide track component 11a, now, because the
Two times fixture 222a maintains static, and in therefore second, rail 112a pulls out forward apart from a；Second front steering part 211b and simultaneously
The distance between two rear steering part 212b are fixing, then the upper strata tensioner 231 being now placed in the second slide track component 11b is to position
Lower floor's tensioner 232 in the second slide track component 11b is driven apart from a, and then by opening positioned at the upper strata of the second slide track component 11b
During tight part 231 pulls the second upper fixing element 221b to promote the second upper rail 111b forward relative to second, rail 112b pulls out apart from a；With
When be located at the first slide track component 11a lower floor's tensioner 232 be driven to the upper strata tensioner 231 positioned at the second slide track component 11b
Apart from a, now, because first time fixture 222a maintains static, in therefore first rail 112a with respect to the first lower rail 113a to
Front pull-out is apart from a.First slide track component 11a and the second slide track component 11b synchronously pulls out, and drawer pull-out coverage is upper rail
111 with respect to middle rail 112 pull-out apart from a and middle rail 112 with respect to lower rail pull-out apart from a sum, i.e. effectively the drawing of drawer
Go out distance for 2a.
Further, described lazy-tongs 2 also include the tensioning sleeve 24 being arranged between two rear steering parts 212, described
Length between two rear steering parts 212 for the tensioner 23 is more than the air line distance of two rear steering parts 212, described tensioner 23
It is arranged in described tensioning sleeve 24 in the part between two rear steering parts 212, described tensioning sleeve 24 makes described tensioner 23
Other parts outside described tensioning sleeve 24 are constantly in tension.Compared to the embodiment of no tensioning sleeve 24, described tensioning
Part 23 is more than the air line distance between two rear steering parts 212 in the length between two rear steering parts 212；It is easily installed, and
Can relax without worry other parts outside described tensioning sleeve 24 for the described tensioner 23.Certainly, there iing tensioning sleeve 24
In embodiment, described tensioner 23 can also be equal between two rear steering parts 212 in the length between two rear steering parts 212
Air line distance.
Described rear steering part 212 is fixed on the rear end of middle rail 112, described tensioning sleeve 24 and institute by tumbler pedestal 213
State and between tumbler pedestal 213, be provided with retaining collar 25, described retaining collar 25 is vertical with described middle rail 112, described tensioning
Part 23 the part in described retaining collar 25 with extend past rear steering part 212 from this part after and near rear steering part 212
Another part perpendicular and in the same plane, so that described tensioner 23 opens or closes process in slide rail
Middle operation is smooth, saves the strength；Can reduce simultaneously described tensioner 23 bypass described rear steering part 212 mobile when abrasion, prolong
Long-life.
In addition, the sliding track mechanism 100 of the present invention also has quiet effect in draw process.Drawer is fixed on described
On rail 111, during user is with the pull-out of speed v or propulsion drawer, the speed of upper rail 111 pull-out is also v, and tensioner 23 is passed through
Tumbler 21 is driven, and in drive, rail 112 is pulled out with speed v/2, and when upper rail 111 and middle rail 112 are completely pulled out, upper rail 111 is drawn
The coverage going out is twice of coverage of middle rail 112 pull-out or more, during slide track component 100 pull-out, keeps away
Exempt from the shock of upper rail 111 and middle rail 112, such that it is able to reach quiet effect.
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 111 of the one of slide rail of described tensioner 23 interconnection and another slide track component 1
Lower rail 113 is so that when the upper rail 111 of the first slide track component 11a or middle rail 112 are mobile, described tensioner 23 passes through fixture 22
Drive upper rail 111 or the middle rail 112 displacement same distance in the same direction of the second slide track component 11b, realize the synchronization of two groups of slide track components 1
Mobile, it is to avoid the deflection that causes because of firmly uneven in draw process or wave phenomenon；And can be in draw process
Drawer is locked in optional position, and in whole process, muting function is good.
Above example only in order to technical scheme to be described and unrestricted, although with reference to preferred embodiment to this
Bright be described in detail, it will be understood by those within the art that, technical scheme can be modified
Or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (4)
1. a kind of 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 in the first slide track component and the second slide track component is respectively provided with mutually be slidably matched upper
Rail, middle rail and lower rail it is characterised in that: described sliding track mechanism also includes so that the first slide track component and the second slide track component keep
Synchronization-moving lazy-tongs, lazy-tongs include tumbler located at two groups of slide track components, fixture and tensioner, described
Tensioner is wound between the fixture of two slide track components by tumbler；Described fixture is included located at the first slide track component
Upper rail on the first upper fixing element, first time fixture in the lower rail of the first slide track component, located at the second slide rail group
The second upper fixing element in the upper rail of part, second time fixture in the lower rail of the second slide track component；Described tumbler bag
Include the first front steering part of the front end of middle rail located at the first slide track component, located at the first slide track component middle rail rear end
One rear steering part, located at the second slide track component middle rail front end the second front steering part, located at the second slide track component middle rail
Rear end the second rear steering part；Described tensioner is made up of two tensioner, and the starting point of a wherein tensioner is fixed on
Fixture once, terminal sequentially pass through the first front steering part, the first upper fixing element, the first rear steering part, after the second rear steering part
It is fixed in the lower rail of the second slide track component；The starting point of another tensioner is fixed on second time fixture, and terminal sequentially passes through
It is fixed on the lower rail of the first slide track component after second front steering part, the second upper fixing element, the second rear steering part, the first rear steering part
On；Described lazy-tongs also include the tensioning sleeve being arranged between the first rear steering part and the second rear steering part, described tensioner
Length between the first rear steering part and the second rear steering part be more than between the first rear steering part and the second rear steering part away from
From part between the first rear steering part and the second rear steering part for the described tensioner is arranged in described tensioning sleeve, described
Tight other parts outside described tensioning sleeve for the part are constantly in tension so that the upper rail of the first slide track component or middle rail move
When, described tensioner drives upper rail or the middle rail displacement same distance in the same direction of the second slide track component by fixture.
2. sliding track mechanism according to claim 1 it is characterised in that: every in the first rear steering part and the second rear steering part
One rear steering part is all fixed on middle rail by tumbler pedestal, is provided with solid between described tensioning sleeve and described tumbler pedestal
Determine the collar, described retaining collar is vertical with described middle rail, part in described retaining collar for the described tensioner with from this part
After extending past rear steering part and perpendicular and in the same plane near another part of rear steering part.
3. sliding track mechanism according to claim 1 it is characterised in that: every in the first front steering part and the second front steering part
One front steering part is arranged to described tensioner and is divided into upper strata tensioner and lower floor's tensioner after front steering part, after first
Each rear steering part in tumbler and the second rear steering part all includes matching with described upper strata tensioner, lower floor's tensioner respectively
Close upper tumbler, lower tumbler, described upper strata tensioner, lower floor's tensioner through wherein one slide track component upper tumbler,
Each extend over to the lower tumbler being fixed on another slide track component, upper tumbler after lower tumbler.
4. sliding track mechanism according to claim 3 it is characterised in that: described upper strata tensioner is equal with described lower floor tensioner
Parallel to described middle rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372501.2A CN104323607B (en) | 2014-07-31 | 2014-07-31 | Slide rail mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372501.2A CN104323607B (en) | 2014-07-31 | 2014-07-31 | Slide rail mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104323607A CN104323607A (en) | 2015-02-04 |
| CN104323607B true CN104323607B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410372501.2A Active CN104323607B (en) | 2014-07-31 | 2014-07-31 | Slide rail mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN104323607B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016939B (en) * | 2016-05-25 | 2018-10-12 | 青岛海尔股份有限公司 | Sliding track mechanism and refrigerator with it |
| CN106016937B (en) * | 2016-05-25 | 2018-02-02 | 青岛海尔股份有限公司 | Sliding track mechanism and there is its refrigerator |
| CN106052287B (en) * | 2016-05-25 | 2018-05-11 | 青岛海尔股份有限公司 | Sliding track mechanism and there is its refrigerator |
| CN106016941B (en) * | 2016-05-25 | 2018-04-20 | 青岛海尔股份有限公司 | Sliding track mechanism and there is its refrigerator |
| CN106016938B (en) * | 2016-05-25 | 2018-05-11 | 青岛海尔股份有限公司 | Sliding track mechanism and there is its refrigerator |
| CN106724189B (en) * | 2017-01-23 | 2022-06-10 | 无锡海达尔精密滑轨股份有限公司 | Three-section type synchronous drawer slide rail |
| CN108652159A (en) * | 2017-03-27 | 2018-10-16 | 刘文桂 | The luggage case of extendible bearing space |
| CN109916129B (en) * | 2019-03-26 | 2020-09-29 | 合肥工业大学 | Automatic expansion device of refrigerator drawer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005054604A1 (en) * | 2005-11-16 | 2007-05-24 | Electrolux Home Products Corporation N.V. | Extractor for a household appliance |
| DE202006011766U1 (en) * | 2006-07-28 | 2007-11-29 | Alfit Ag | Pull-out guide for guiding furniture parts |
| CN201026011Y (en) * | 2007-04-17 | 2008-02-27 | 东莞市石龙万通实业有限公司 | Three folded detachable sliding track |
| CN102644661A (en) * | 2012-05-02 | 2012-08-22 | 雅固拉国际精密工业(苏州)有限公司 | Anti-shaking synchronizing mechanism for slide rails |
| DE102013113672A1 (en) * | 2013-06-14 | 2014-12-18 | Paul Hettich Gmbh & Co. Kg | pull-out system |
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2014
- 2014-07-31 CN CN201410372501.2A patent/CN104323607B/en active Active
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|---|---|
| CN104323607A (en) | 2015-02-04 |
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