CN110367713A - Three section synchronous sliding tracks of one kind and drawer - Google Patents
Three section synchronous sliding tracks of one kind and drawer Download PDFInfo
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- CN110367713A CN110367713A CN201910790760.XA CN201910790760A CN110367713A CN 110367713 A CN110367713 A CN 110367713A CN 201910790760 A CN201910790760 A CN 201910790760A CN 110367713 A CN110367713 A CN 110367713A
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- Prior art keywords
- rail
- gear
- sliding seat
- middle rail
- synchronization bar
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 75
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000004992 fission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 12
- 238000013016 damping Methods 0.000 description 6
- 206010006514 bruxism Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/437—Rollers for slides or guides
Landscapes
- Seats For Vehicles (AREA)
Abstract
This application discloses a kind of three section synchronous sliding tracks and drawers, wherein three section synchronous sliding tracks include active rail, middle rail, retaining rail, sliding seat and synchromesh gear；Middle rail is movably embedded in active rail along its length, and sliding seat is movably set in middle rail along its length, and sliding seat is movably attached along its length in retaining rail；Middle rail is provided with synchronization bar；Retaining rail is provided with lower synchronization bar；Synchromesh gear is rotationally connected with sliding seat, and upper synchronization bar and lower synchronization bar cooperate with synchronous gear transport.When closing drawer, middle rail is mobile relative to sliding seat, sliding seat is mobile relative to fixed rail, since middle rail is provided with upper synchronization bar, retaining rail is provided with lower synchronization bar, and sliding seat is provided with synchromesh gear, therefore, by upper synchronization bar, the synchronous matching of synchromesh gear and lower synchronization bar, realizing relative positional relationship in the motion process of middle rail, sliding seat and retaining rail will not misplace, and can be closed completely drawer.
Description
Technical field
The present invention relates to sliding rail technical field, in particular to a kind of three section synchronous sliding tracks.
Background technique
Drawer generally includes sliding rail, drawer box and cabinet, and drawer box is set in cabinet by slide rail pulling movement.Existing
In some sliding rails, Chinese patent literature CN104352095B discloses the synchronous concealed slide track of three sections of one kind, specifically discloses packet
Include active rail, middle rail, retaining rail and damping mechanism；It is provided with upper rack between active rail and middle rail and the upper roller with idler wheel is protected
Hold frame；The split type bottom roller retainer with idler wheel is provided between middle rail and retaining rail, surface is provided with rack gear；Upper rack
Gear assembly is engaged between bottom roller retainer, gear assembly controls active rail and middle rail is same according to the size of active force
Step or dislocation operation；Damping mechanism is assemblied in retaining rail.Due to the repeated multiple times drawing when drawer not exclusively pulls out of existing sliding rail
It stretches, center of gravity causes the tail portion of bottom roller retainer slightly to tilt in front end when drawer pulls out, and when closing drawer, bottom roller is protected
The idler wheel for holding frame can fix relatively rail and skid backward, make that some slight misalignment occurs between bottom roller retainer and retaining rail, after dislocation
The tail portion seam allowance that can withstand in advance in retaining rail of bottom roller retainer can not continue to move to, cause drawer that cannot be closed completely
Problem.
In conclusion how to solve the problems, such as that drawer can not be closed completely, it is urgently to be resolved to become those skilled in the art
The problem of.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of three section synchronous sliding tracks, to realize that drawer is closed completely.
Another object of the present invention is to provide a kind of drawers comprising the three sections synchronous sliding track, to realize that drawer closes completely
It closes.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
A kind of three section synchronous sliding tracks, including active rail, middle rail, retaining rail, sliding seat and synchromesh gear；The middle rail is along long
Degree direction is movably embedded in the active rail, and the sliding seat is movably set to along its length in the middle rail, institute
Sliding seat is stated to be movably attached along its length in the retaining rail；Synchronization is integrated or separately provided on the middle rail
Item；Lower synchronization bar is integrated or separately provided in the retaining rail；The synchromesh gear is rotationally connected with the sliding seat, described
Upper synchronization bar and the lower synchronization bar cooperate with the synchronous gear transport.
Preferably, in three above-mentioned section synchronous sliding tracks, the upper synchronization bar be provided with equally spaced multiple matching holes or
Cooperating teeth, the lower synchronization bar are provided with equally spaced multiple matching holes or cooperating teeth, and the matching hole and the cooperating teeth are equal
For cooperating with the synchromesh gear.
Preferably, in three above-mentioned section synchronous sliding tracks, the upper synchronization bar is integrated or separately set to the middle rail, institute
It states lower synchronization bar and is integrated or separately set to the retaining rail.
It preferably, further include gear assembly and upper rack in three above-mentioned section synchronous sliding tracks, the sliding seat is provided with
Lower rack gear；The upper rack is fixed in the active rail, and the gear assembly is set on the middle rail and in described
The top surface of rail, the gear assembly is between the upper rack and the sliding seat, the upper rack and the lower rack gear point
It is not driven with the gear assembly.
Preferably, in three above-mentioned section synchronous sliding tracks, the gear assembly includes at least one gear, the upper rack
It is engaged respectively with the gear with the lower rack gear.
Preferably, in three above-mentioned section synchronous sliding tracks, the gear assembly further includes tooth rest, and the gear rotation connects
It is connected on the tooth rest, the tooth rest is fixed on the top surface of the middle rail.
Preferably, in three above-mentioned section synchronous sliding tracks, the lower end of the tooth rest is provided with guide protrusions, the sliding
Guiding groove is provided on seat along its length, the guide protrusions match with guiding groove movement and merge bound position.
It preferably, further include upper roller component in three above-mentioned section synchronous sliding tracks, the upper roller component is in described
The mobile top surface that the middle rail is arranged of the length direction of rail, the active rail and the middle rail are opposite by the upper roller component
It is mobile.
Preferably, in three above-mentioned section synchronous sliding tracks, the sliding seat includes frame body and is set to the frame body surrounding
Multiple idler wheels, be provided with the lower rack gear on the frame body, the sliding seat passes through the idler wheel and the middle rail and described
Fixed frame relative movement.
Preferably, in three above-mentioned section synchronous sliding tracks, the frame body includes the lower rack gear frame body and idler wheel of separable assembled
Frame body, the idler wheel are set on the idler wheel frame body, and the lower rack gear is set on the lower rack gear frame body.
Preferably, in three above-mentioned section synchronous sliding tracks, be provided on the side wall of the middle rail in the active rail
The mousing-hook of side lower edge limit contact.
Preferably, in three above-mentioned section synchronous sliding tracks, the upper rack includes main body rack gear and the insertion of Split assembled
Rack gear, the tail portion of the active rail are provided with the embedded hole for being caught in the insertion rack gear.
The present invention also provides a kind of drawer, including sliding rail, drawer box and cabinet, the drawer box pull is set to described
It in cabinet, is connected between the drawer box and the cabinet by slide rail pulling, which is characterized in that the sliding rail is such as to take up an official post
Three section synchronous sliding tracks described in one.
Compared with prior art, the beneficial effects of the present invention are:
Three sections synchronous sliding track provided by the invention includes active rail, middle rail, retaining rail, sliding seat and synchromesh gear；Middle rail
It is movably embedded in active rail along its length, sliding seat is movably set in middle rail along its length, and sliding seat is along long
Degree direction is movably attached in retaining rail；Synchronization bar is integrated or separately provided on middle rail；In retaining rail integrated or separately
It is provided with lower synchronization bar；Synchromesh gear is rotationally connected with sliding seat, and upper synchronization bar and lower synchronization bar are matched with synchronous gear transport
It closes.When closing drawer, middle rail is mobile relative to sliding seat, and sliding seat is mobile relative to fixed rail, since middle rail is provided with upper synchronization
Item, retaining rail are provided with lower synchronization bar, and sliding seat is provided with synchromesh gear, therefore, pass through upper synchronization bar, synchromesh gear and similarly hereinafter
The synchronous matching of item is walked, realizing relative positional relationship in the motion process of middle rail, sliding seat and retaining rail will not misplace,
Drawer can be closed completely.
Drawer provided by the invention uses three section synchronous sliding tracks in the application, therefore, realizes that drawer is closed completely.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 2 is a kind of perspective view of the explosion of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the sliding seat of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 4 is the partial enlargement diagram in Fig. 3；
Fig. 5 is a kind of structural schematic diagram of the upper synchronization bar of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 6 is a kind of present invention looks up structural representation of the middle rail of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of the lower synchronization bar of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 8 is a kind of present invention looks up structural representation of the retaining rail of three sections synchronous sliding track provided in an embodiment of the present invention；
Fig. 9 is section that a kind of middle rail of three sections synchronous sliding track, sliding seat and retaining rail provided in an embodiment of the present invention cooperate
Face schematic diagram；
Figure 10 is a kind of structural representation of the bevel gear of the gear assembly of three sections synchronous sliding track provided in an embodiment of the present invention
Figure；
Figure 11 is a kind of structural representation of the tooth rest of the gear assembly of three sections synchronous sliding track provided in an embodiment of the present invention
Figure；
Figure 12 is a kind of combining structure schematic diagram of the gear assembly of three sections synchronous sliding track provided in an embodiment of the present invention；
Figure 13 is that a kind of bevel gear of three sections synchronous sliding track provided in an embodiment of the present invention is engaged with upper rack and lower rack gear
Side structure schematic view；
Figure 14 is that a kind of bevel gear of three sections synchronous sliding track provided in an embodiment of the present invention is engaged with upper rack and lower rack gear
And the schematic view of the front view that synchromesh gear and upper synchronization bar and lower synchronization bar cooperate；
Figure 15 is a kind of arragement construction schematic diagram of the upper roller component of three sections synchronous sliding track provided in an embodiment of the present invention；
Figure 16 is a kind of structural schematic diagram of the installation insertion rack gear of three sections synchronous sliding track provided in an embodiment of the present invention；
Figure 17 is the main view of Figure 16；
Figure 18 is the structural schematic diagram for being packed into insertion rack gear；
Figure 19 is a kind of structural schematic diagram of the middle rail of three sections synchronous sliding track provided in an embodiment of the present invention；
Figure 20 is a kind of active rail of three sections synchronous sliding track provided in an embodiment of the present invention and the knot of middle rail mousing-hook cooperation
Structure schematic diagram.
Wherein, 1 it is active rail, 2 be middle rail, 3 be retaining rail, 4 be upper rack, 5 be upper roller component, 6 is sliding seat, 7
It is gear assembly for damping mechanism, 9；
21 be upper synchronization bar, 22 be mousing-hook, 31 be the same below step item, rack gear based on 41,42 be insertion rack gear, 61 be under
Rack gear frame body, 62 for lower rack gear, 63 be idler wheel frame body, 64 be synchromesh gear, 91 be gear, 92 be tooth rest, 93 be guiding it is convex
It rises.
Specific embodiment
Core of the invention realizes that drawer is closed completely there is provided a kind of three section synchronous sliding tracks.
The present invention also provides a kind of drawer comprising the three sections synchronous sliding track, realize that drawer is closed completely.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-Fig. 9 and Figure 14, the embodiment of the invention provides a kind of three section synchronous sliding tracks, including active rail 1, in
Rail 2, retaining rail 3, sliding seat 6 and synchromesh gear 64；Wherein, middle rail 2 is embedded in active rail 1, and opposite active rail 1 is along length
Direction is mobile；Sliding seat 6 is set in middle rail 2, and rail 2 moves along its length in, relatively fixed 3 edge of rail of sliding seat 6
Length direction is movably attached in retaining rail 3；Middle rail 2 is provided with synchronization bar 21, and specifically, upper synchronization bar 21 is along middle rail 2
Length direction be set to the inner top surface of middle rail 2, upper synchronization bar 21 is moved together with middle rail 2；Retaining rail 3 is provided with lower synchronization bar
31, specifically, lower synchronization bar 31 is set to the outside of retaining rail 3 along the length direction of retaining rail 3, upper synchronization bar 21 with it is lower synchronous
Item 31 is parallel；Synchromesh gear 64 is rotationally connected with sliding seat 6, and specifically, synchromesh gear 64 is rotationally connected with the side of sliding seat 6
Face, synchromesh gear 64 is between upper synchronization bar 21 and lower synchronization bar 31, and upper synchronization bar 21 and lower synchronization bar 31 are and synchronous gear
64 cooperation transmission of wheel.
The three sections synchronous sliding track is when drawer not exclusively pulls out in the case where repeated multiple times stretching, and middle rail is with respect to sliding seat 6
Mobile, sliding seat 6 is mobile relative to fixed rail 3, and since middle rail 2 is provided with upper synchronization bar 21, retaining rail 3 is provided with lower synchronization bar
31, sliding seat 6 is provided with synchromesh gear 64, therefore, by upper synchronization bar 21, synchromesh gear 64 and lower synchronization bar 31 synchronization match
It closes, realizing relative positional relationship in the motion process of middle rail 2, sliding seat 6 and retaining rail 3 will not misplace, therefore, finally
When closing drawer, drawer can be closed completely.
As shown in Figure 5-Figure 8, in the present embodiment, upper synchronization bar 21 is integrated or separately set to middle rail 2, that is, upper to synchronize
Item 21 can be seperated fixed with middle rail 2, is also possible to integrated formed structure；Similarly, lower synchronization bar 31 is integrated or separately arranged
In retaining rail 3, that is, lower synchronization bar 31 and retaining rail 3 can be seperated fixed, are also possible to integrated formed structure.
Further, in the present embodiment, upper synchronization bar 21 is provided with the length direction cloth at equal intervals along upper synchronization bar 21
The multiple matching holes or cooperating teeth set, lower synchronization bar 31 are similarly provided with the length direction along lower synchronization bar 31 and are equidistantly spaced from
Multiple matching holes or cooperating teeth, matching hole or cooperating teeth can be arranged directly in middle rail 2 and retaining rail 3, can also be independent
It is arranged on strip structure, then is fixed in middle rail 2 and retaining rail 3, matching hole and cooperating teeth is used to match with synchromesh gear 64
It closes.As long as can be realized synchronization bar 21 and lower synchronization bar 31 with 64 synchronous matching of synchromesh gear, upper 21 He of synchronization bar
Lower synchronization bar 31 is not limited to structure cited by the present embodiment.
As shown in Fig. 2, further, in the present embodiment, three section synchronous sliding tracks further include gear assembly 9 and upper rack 4；
Wherein, sliding seat 6 is provided with lower rack gear 62；Upper rack 4 is fixed in active rail 1, and upper rack 4 and active rail 1 move together, tooth
Wheel assembly 9 is set on middle rail 2 and runs through the top surface of middle rail 2 up and down, and gear assembly 9 is located inside active rail 1, gear assembly 9
Moved together with middle rail 2, gear assembly 9 between upper rack 4 and sliding seat 6, upper rack 4 and lower rack gear 62 respectively with gear
Component 9 is driven.
When the three sections synchronous sliding track works, active rail 1 is mobile, be fixed on the upper rack 4 in active rail 1 together relatively in rail
2 is mobile, and upper rack 4 drives gear assembly 9 to act, since gear assembly 9 is fixed on middle rail 2, gear assembly 9 and sliding seat 6
Lower rack gear 62 be driven, therefore, gear assembly 9 driving in rail 2 with respect to sliding seat 6 move, pass through gear assembly 9,4 and of upper rack
Lower rack gear 62 realizes the synchronous operation of active rail 1, middle rail 2 and sliding seat 6.
As shown in Figure 10-Figure 15, further, in the present embodiment, gear assembly 9 includes at least one gear 91,
Gear 91 can be spur gear, helical gear or bevel gear, and upper rack 4 and lower rack gear 62 are engaged with gear 91 respectively.
Preferably, gear 91 uses bevel gear, and the grinding tooth top surface of the grinding tooth top surface of upper rack 4 and lower rack gear 62, which tilts, to be set
It sets, preferably to be engaged with bevel gear.
The working principle of the three section synchronous sliding tracks using bevel gear in the present embodiment is: when work, active rail 1 is mobile,
Being fixed on the upper rack 4 in active rail 1, rail 2 is mobile in together, and upper rack 4 drives the bevel-gear rotating of gear assembly 9, by
It being fixed on middle rail 2 in gear assembly 9, bevel gear is engaged with the lower rack gear 62 of sliding seat 6, therefore, 2 phase of rail in umbrella tooth wheel drive
Mobile to sliding seat 6, middle rail 2 and active rail 1 are with friction speed synchronizing moving, and sliding seat 6 is relatively solid under mass action power
Orbit determination 3 is mobile, is engaged respectively with upper rack 4 and lower rack gear 62 by bevel gear, according to the gradient of bevel gear and upper rack 4 under
The modulus or tooth pitch of rack gear 62 realize the mobile required speed ratio of upper rack 4 and lower rack gear 62, so drive active rail 1, in
Rail 2 and sliding seat 6 realize moving synchronously between active rail 1, middle rail 2 and sliding seat 6 with speed ratio movement, and with it is existing
It is compared by the gear assembly that the spur gear for relatively rotating close-fitting by two in patent CN104352095B forms, in the application
Only one bevel gear of gear assembly 9, bevel gear are an entirety, are not in skid, so as to avoid rack gear and bevel gear
Between misplace, improve the mobile stability of synchronization of sliding rail.In addition, umbrella tooth wheel construction is simple, components are few, do not need compared with
Therefore high cooperation precision reduces manufacturing cost, convenient for assembly.
As shown in Figure 10-Figure 12, further, in the present embodiment, gear assembly 9 further includes tooth rest 92, gear 91
It is rotationally connected on tooth rest 92, tooth rest 92 is fixed on the top surface of middle rail 2.Gear 91 up and down in rail 2 top surface, respectively
It is engaged with the lower rack gear 62 inside the upper rack 4 and middle rail 2 of middle 2 top of rail.Tooth rest 92 preferably by buckle be plugged and fixed in
On middle rail 2, facilitate integral disassembly, assembly.
Further, in the present embodiment, the lower end of tooth rest 92 is provided with guide protrusions 93, along length on sliding seat 6
Degree direction is provided with guiding groove, guide protrusions 93 and the mobile cooperation of guiding groove, by guide protrusions 93 and is oriented to groove
Upper and lower position-limiting action prevents the relatively middle rail 2 in moving process of sliding seat 6 from falling, to ensure that gear 91 and lower rack gear 62
Always in the state precisely engaged.Certainly, gear assembly 9 can also only include gear 91, and gear 91 is directly rotatably dispose in
The top surface of middle rail 2.
As shown in Fig. 2 and Figure 15, in the present embodiment, three section synchronous sliding tracks further include upper roller component 5, upper roller component
5 move along the length direction of middle rail 2 and are set to the top surface of middle rail 2, and active rail 1 and middle rail 2 are moved by the way that upper roller component 5 is opposite
It is dynamic.Upper roller component 5 includes rolling wheel support and the multiple idler wheels being set on rolling wheel support, and rolling face and the active rail 1 of idler wheel connect
Touching, the two sides of rolling wheel support are additionally provided with ball, are rolled and are moved by ball and middle rail 2.It is realized by upper roller component 5
Smooth movement between active rail 1 and middle rail 2, the frictional resistance of rolling friction is small, and movement is more laborsaving.Certainly, 1 He of active rail
It can also be with sliding friction between middle rail 2.
As shown in figure 3, in the present embodiment, sliding seat 6 includes frame body and the multiple idler wheels for being set to frame body surrounding, frame body
On be provided with lower rack gear 62, sliding seat 6 is relatively moved by idler wheel and middle rail 2 and fixed frame 3.Idler wheel positioned at the top of frame body
For the inner top surface of rail 2 in rolling support, the idler wheel in frame body one side wall is used to be in rolling contact with the side wall of middle rail 2, position
It is in rolling contact in the idler wheel on another side wall of frame body for the side wall of retaining rail 3, the idler wheel positioned at frame body lower part is used for and fixation
The horizontal wall surface of rail 3 is in rolling contact.It is realized by the idler wheel of sliding seat 6 smooth between sliding seat 6, middle rail 2 and retaining rail 3
It is mobile.
Further, in the present embodiment, frame body includes the lower rack gear frame body 61 and idler wheel frame body 63 of separable assembled, idler wheel
It is set on idler wheel frame body 63, lower rack gear 62 is set on lower rack gear frame body 61.Idler wheel frame body 63 and lower rack gear frame body 61 are specific
It is combined and is connected by grafting, easy disassembly.Frame body facilitates processing and assembling using separate structure.
As illustrated in figures 19 and 20, in the present embodiment, it is provided on the side wall of middle rail 2 following with the inside of active rail 1
The mousing-hook 22 of edge limit contact.The purpose of such setting is in order to when 1 front end active force of active rail is excessive, on middle rail 2
The tail end of active rail 1 is caught in mousing-hook 22, prevent active rail 1 be upturned abjection in rail 2.
As exemplified in figs, further, in the present embodiment, upper rack 4 includes the main body rack gear 41 of Split assembled
With insertion rack gear 42, the tail portion of active rail 1 is provided with the embedded hole for being caught in insertion rack gear 42.So set, being in order to anti-
Only gear 91 and upper rack 4 and lower rack gear 62 misplace, therefore the tail end of upper rack 4 is arranged to seperated insertion rack gear 42,
When assembly, sliding rail opening is first pulled to maximal end point, main body rack gear 41 and gear 91 are de- dentation state at this time, and lower rack gear 62 is engagement
State；Then insertion rack gear 42 is inserted into embedded hole, is docked with main body rack gear 41 and cooperatively form complete upper rack 4, at this time
Insertion rack gear 42 is engaged with gear 91, to make the upper engagement in correct position of upper rack 4, gear 91 and lower rack gear 62.
As shown in Fig. 2, in the present embodiment, three section synchronous sliding tracks further include damping mechanism 7, to realize that the damping of sliding rail moves
It is dynamic.A kind of specific structure of damping mechanism 7 can be found in the description in patent CN104352095B, and details are not described herein.
Based on three section synchronous sliding track described in any of the above embodiment, the embodiment of the invention also provides a kind of drawer,
Including sliding rail, drawer box and cabinet, drawer box pull is set in cabinet, is connected between drawer box and cabinet by slide rail pulling
It connects, wherein sliding rail is the three section synchronous sliding track as described in any of the above embodiment.Preferably, the two sides of the bottom of drawer box are equal
One three section synchronous sliding track is set, to improve sliding stationarity.
The three section synchronous sliding tracks that the drawer uses in the application therefore can be repeatedly more when drawer not exclusively pulls out
In the case where secondary stretching, completely closing for drawer is realized.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (12)
1. a kind of three section synchronous sliding tracks, which is characterized in that including active rail, middle rail, retaining rail, sliding seat and synchromesh gear；Institute
It states rail to be movably embedded in the active rail along its length, the sliding seat is movably set to described along its length
In middle rail, the sliding seat is movably attached along its length in the retaining rail；Integrated or separately it is arranged on the middle rail
There is upper synchronization bar；Lower synchronization bar is integrated or separately provided in the retaining rail；The synchromesh gear is rotationally connected with the cunning
Dynamic seat, the upper synchronization bar and the lower synchronization bar cooperate with the synchronous gear transport.
2. three sections synchronous sliding track according to claim 1, which is characterized in that the upper synchronization bar is provided with equally spaced more
A matching hole or cooperating teeth, the lower synchronization bar are provided with equally spaced multiple matching holes or cooperating teeth, the matching hole and institute
Cooperating teeth is stated to be used to cooperate with the synchromesh gear.
3. three sections synchronous sliding track according to claim 1, which is characterized in that it further include gear assembly and upper rack, it is described
Sliding seat is provided with lower rack gear；The upper rack is fixed in the active rail, and the gear assembly is set on the middle rail
And run through the middle rail top surface, the gear assembly positioned at the upper rack and the sliding seat between, the upper rack with
The lower rack gear is driven with the gear assembly respectively.
4. three sections synchronous sliding track according to claim 3, which is characterized in that the gear assembly includes at least one tooth
Wheel, the upper rack and the lower rack gear are engaged with the gear respectively.
5. three sections synchronous sliding track according to claim 4, which is characterized in that the gear assembly further includes tooth rest, institute
It states gear to be rotationally connected on the tooth rest, the tooth rest is fixed on the top surface of the middle rail.
6. three sections synchronous sliding track according to claim 5, which is characterized in that it is convex that the lower end of the tooth rest is provided with guiding
It rises, is provided with guiding groove on the sliding seat along its length, the guide protrusions are matched with guiding groove movement and merged
Limit up and down.
7. three sections synchronous sliding track according to claim 1-6, which is characterized in that further include upper roller component, institute
It states upper roller component and moves the top surface that the middle rail is set along the length direction of the middle rail, the active rail and the middle rail are logical
Cross the upper roller component relative movement.
8. three sections synchronous sliding track according to claim 1-6, which is characterized in that the sliding seat include frame body and
Multiple idler wheels of the frame body surrounding are set to, the lower rack gear is provided on the frame body, the sliding seat passes through the rolling
Wheel is relatively moved with the middle rail and the fixed frame.
9. three sections synchronous sliding track according to claim 8, which is characterized in that the frame body includes the lower rack gear of separable assembled
Frame body and idler wheel frame body, the idler wheel are set on the idler wheel frame body, and the lower rack gear is set on the lower rack gear frame body.
10. three sections synchronous sliding track according to claim 1-6, which is characterized in that set on the side wall of the middle rail
It is equipped with and limits the mousing-hook contacted with the inside lower edge of the active rail.
11. three sections synchronous sliding track according to claim 1-6, which is characterized in that the upper rack includes fission
Combined main body rack gear and insertion rack gear, the tail portion of the active rail are provided with the embedded hole for being caught in the insertion rack gear.
12. a kind of drawer, including sliding rail, drawer box and cabinet, the drawer box pull is set in the cabinet, the drawer
It is connected between box and the cabinet by slide rail pulling, which is characterized in that the sliding rail is any one of such as claim 1-11 institute
The three section synchronous sliding tracks stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790760.XA CN110367713A (en) | 2019-08-26 | 2019-08-26 | Three section synchronous sliding tracks of one kind and drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790760.XA CN110367713A (en) | 2019-08-26 | 2019-08-26 | Three section synchronous sliding tracks of one kind and drawer |
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| Publication Number | Publication Date |
|---|---|
| CN110367713A true CN110367713A (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910790760.XA Pending CN110367713A (en) | 2019-08-26 | 2019-08-26 | Three section synchronous sliding tracks of one kind and drawer |
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| CN (1) | CN110367713A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104352095A (en) * | 2014-11-10 | 2015-02-18 | 广东泰明金属制品有限公司 | Three-section synchronous hidden slide rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110946423A (en) * | 2019-12-18 | 2020-04-03 | 广东库博精密科技有限公司 | Novel drawer synchronous guide rail |
| WO2021143035A1 (en) * | 2020-01-17 | 2021-07-22 | 广东星徽精密制造股份有限公司 | Single gear type guide mechanism for drawer drawing |
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