CN110367713A - Three section synchronous sliding tracks of one kind and drawer - Google Patents

Three section synchronous sliding tracks of one kind and drawer Download PDF

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Publication number
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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CN
China
Prior art keywords
rail
gear
sliding seat
middle rail
synchronization bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910790760.XA
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Chinese (zh)
Inventor
吴泰维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUANGDONG TAIMING METAL PRODUCTS CO Ltd
Original Assignee
GUANGDONG TAIMING METAL PRODUCTS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUANGDONG TAIMING METAL PRODUCTS CO Ltd filed Critical GUANGDONG TAIMING METAL PRODUCTS CO Ltd
Priority to CN201910790760.XA priority Critical patent/CN110367713A/en
Publication of CN110367713A publication Critical patent/CN110367713A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40Sliding drawers; Slides or guides therefor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40Sliding drawers; Slides or guides therefor
    • A47B88/437Rollers for slides or guides

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  • 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

Three section synchronous sliding tracks of one kind and drawer
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.
CN201910790760.XA 2019-08-26 2019-08-26 Three section synchronous sliding tracks of one kind and drawer Pending CN110367713A (en)

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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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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
CN204654281U (en) * 2015-03-31 2015-09-23 北京世博金属制品有限公司 A kind of three joint synchronous sliding tracks for drawer
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CN211559395U (en) * 2019-08-26 2020-09-25 广东泰明金属制品有限公司 Three-section synchronous sliding rail and drawer

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CN101683217A (en) * 2008-09-22 2010-03-31 李绍汉 Three-section synchronous drawer slideway
CN104352094A (en) * 2014-11-10 2015-02-18 广东泰明金属制品有限公司 Gear mechanism for slide rail
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
CN204654281U (en) * 2015-03-31 2015-09-23 北京世博金属制品有限公司 A kind of three joint synchronous sliding tracks for drawer
CN106724193A (en) * 2016-11-29 2017-05-31 广东泰明金属制品有限公司 Three section synchronous sliding tracks
CN211559395U (en) * 2019-08-26 2020-09-25 广东泰明金属制品有限公司 Three-section synchronous sliding rail and drawer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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