CN211559395U - Three-section synchronous sliding rail and drawer - Google Patents
Three-section synchronous sliding rail and drawer Download PDFInfo
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- CN211559395U CN211559395U CN201921395726.4U CN201921395726U CN211559395U CN 211559395 U CN211559395 U CN 211559395U CN 201921395726 U CN201921395726 U CN 201921395726U CN 211559395 U CN211559395 U CN 211559395U
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Abstract
The application discloses a three-section synchronous sliding rail and a drawer, wherein the three-section synchronous sliding rail comprises a movable rail, a middle rail, a fixed rail, a sliding seat and a synchronous gear; the middle rail is movably embedded in the movable rail along the length direction, the sliding seat is movably arranged in the middle rail along the length direction, and the sliding seat is movably connected to the fixed rail along the length direction; the middle rail is provided with an upper synchronous strip; the fixed rail is provided with a lower synchronous strip; synchronous gear rotates to be connected in the sliding seat, goes up synchronous strip and lower synchronous strip and all with synchronous gear drive cooperation. When closing the drawer, well rail removes relative sliding seat, and the sliding seat removes relative fixed rail, because well rail is provided with synchronous strip, and the fixed rail is provided with down synchronous strip, and the sliding seat is provided with synchronous gear, consequently, through the synchronous cooperation of last synchronous strip, synchronous gear and synchronous strip down, realized that the relative position relation can not take place the dislocation in the motion process of well rail, sliding seat and fixed rail, can close the drawer completely.
Description
Technical Field
The utility model relates to a slide rail technical field, in particular to synchronous slide rail of three section.
Background
The drawer generally includes a slide rail, a drawer box, and a box body, and the drawer box is disposed in the box body through the slide rail in a drawing and moving manner. Among the existing slide rails, chinese patent document No. CN104352095B discloses a three-section synchronous hidden slide rail, specifically including a movable rail, a middle rail, a fixed rail and a damping mechanism; an upper rack and an upper roller retainer with rollers are arranged between the movable rail and the middle rail; a split lower roller retainer with rollers is arranged between the middle rail and the fixed rail, and a rack is arranged on the surface of the lower roller retainer; a gear assembly is meshed between the upper rack and the lower roller retainer, and the gear assembly controls the movable rail and the middle rail to synchronously or mally run according to the acting force; the damping mechanism is assembled on the fixed rail. Because current slide rail is tensile many times when the drawer is incompletely pulled out repeatedly, the focus is at the front end when the drawer is pulled out, leads to the afterbody perk of lower roller retainer a little, and when closing the drawer, the gyro wheel of lower roller retainer can skid backward relative to the fixed rail, makes and takes place a little dislocation between lower roller retainer and the fixed rail, and the lower roller retainer after the dislocation can withstand the afterbody tang on the fixed rail in advance and can't continue to move, leads to the problem that the drawer can not be closed completely.
In summary, how to solve the problem that the drawer cannot be completely closed becomes a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a three-section synchronous sliding rail to achieve complete closing of a drawer.
Another object of the present invention is to provide a drawer comprising the three-section synchronous sliding rail, so as to achieve complete closure of the drawer.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a three-section synchronous sliding rail comprises a movable rail, a middle rail, a fixed rail, a sliding seat and a synchronous gear; the middle rail is movably embedded in the movable rail along the length direction, the sliding seat is movably arranged in the middle rail along the length direction, and the sliding seat is movably connected to the fixed rail along the length direction; the middle rail is integrally or separately provided with an upper synchronous strip; a lower synchronous strip is integrally or separately arranged on the fixed rail; the synchronous gear is rotationally connected with the sliding seat, and the upper synchronous strip and the lower synchronous strip are in transmission fit with the synchronous gear.
Preferably, in the three-section synchronous slide rail, the upper synchronous bar is provided with a plurality of equally spaced matching holes or matching teeth, the lower synchronous bar is provided with a plurality of equally spaced matching holes or matching teeth, and both the matching holes and the matching teeth are used for matching with the synchronous gear.
Preferably, in the three-section synchronous slide rail, the upper synchronous bar is integrally or separately arranged on the middle rail, and the lower synchronous bar is integrally or separately arranged on the fixed rail.
Preferably, in the three-section synchronous sliding rail, the three-section synchronous sliding rail further comprises a gear assembly and an upper rack, and the sliding seat is provided with a lower rack; the upper rack is fixed in the movable rail, the gear assembly is arranged on the middle rail and penetrates through the top surface of the middle rail, the gear assembly is located between the upper rack and the sliding seat, and the upper rack and the lower rack are respectively in transmission with the gear assembly.
Preferably, in the above three-section synchronous slide rail, the gear assembly includes at least one gear, and the upper rack and the lower rack are respectively engaged with the gear.
Preferably, in the above three-section synchronous sliding rail, the gear assembly further comprises a gear carrier, the gear is rotatably connected to the gear carrier, and the gear carrier is fixed to the top surface of the middle rail.
Preferably, in the three-section synchronous sliding rail, a guide protrusion is arranged at the lower end of the gear rack, a guide groove is arranged on the sliding seat along the length direction, and the guide protrusion is movably matched with the guide groove and is limited up and down.
Preferably, in the three-section synchronous sliding rail, the three-section synchronous sliding rail further includes an upper roller assembly, the upper roller assembly is movably disposed on the top surface of the middle rail along the length direction of the middle rail, and the movable rail and the middle rail relatively move through the upper roller assembly.
Preferably, in the above three-section synchronous sliding rail, the sliding seat includes a frame body and a plurality of rollers disposed around the frame body, the frame body is provided with the lower rack, and the sliding seat moves relative to the middle rail and the fixed rail through the rollers.
Preferably, in the above three-section synchronous slide rail, the rack body includes a lower rack body and a roller rack body which are assembled separately, the roller is disposed on the roller rack body, and the lower rack is disposed on the lower rack body.
Preferably, in the three-section synchronous sliding rail, an anti-drop hook in limit contact with the inner lower edge of the movable rail is arranged on the side wall of the middle rail.
Preferably, in the three-section synchronous sliding rail, the upper rack includes a main rack and an embedded rack which are separately combined, and an insertion hole into which the embedded rack is inserted is formed in a tail portion of the movable rail.
The utility model also provides a drawer, including slide rail, drawer box and box, drawer box pull set up in the box, the drawer box with connect through the slide rail pull between the box, its characterized in that, the slide rail is as above arbitrary three section synchronous slide rail.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a three-section synchronous sliding rail, which comprises a movable rail, a middle rail, a fixed rail, a sliding seat and a synchronous gear; the middle rail is movably embedded in the movable rail along the length direction, the sliding seat is movably arranged in the middle rail along the length direction, and the sliding seat is movably connected to the fixed rail along the length direction; the middle rail is integrally or separately provided with an upper synchronous strip; the fixed rail is integrally or separately provided with a lower synchronous strip; synchronous gear rotates to be connected in the sliding seat, goes up synchronous strip and lower synchronous strip and all with synchronous gear drive cooperation. When closing the drawer, well rail removes relative sliding seat, and the sliding seat removes relative fixed rail, because well rail is provided with synchronous strip, and the fixed rail is provided with down synchronous strip, and the sliding seat is provided with synchronous gear, consequently, through the synchronous cooperation of last synchronous strip, synchronous gear and synchronous strip down, realized that the relative position relation can not take place the dislocation in the motion process of well rail, sliding seat and fixed rail, can close the drawer completely.
The utility model provides a drawer has adopted the synchronous slide rail of three section in this application, consequently, realizes that the drawer is closed completely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a three-section synchronous slide rail provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of a three-section synchronous slide rail according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a sliding seat of a three-section synchronous sliding rail according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
fig. 5 is a schematic structural view of an upper synchronization bar of a three-section synchronization slide rail according to an embodiment of the present invention;
fig. 6 is a schematic bottom view of a middle rail of a three-section synchronous sliding rail according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a lower synchronization bar of a three-section synchronization slide rail according to an embodiment of the present invention;
fig. 8 is a schematic bottom view of a fixed rail of a three-section synchronous slide rail according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional view illustrating the cooperation of the middle rail, the sliding seat and the fixed rail of the three-section synchronous sliding rail according to the embodiment of the present invention;
fig. 10 is a schematic structural diagram of a bevel gear of a gear assembly of a three-section synchronous slide rail according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a gear carrier of a gear assembly of a three-section synchronous slide rail according to an embodiment of the present invention;
fig. 12 is a schematic view of a combination structure of a gear assembly of a three-section synchronous slide rail according to an embodiment of the present invention;
fig. 13 is a schematic side view of a structure of a three-section synchronous sliding rail according to an embodiment of the present invention, in which a bevel gear is engaged with an upper rack and a lower rack;
fig. 14 is a schematic structural view of a main view of the three-section synchronous sliding rail according to an embodiment of the present invention, wherein the bevel gears are engaged with the upper rack and the lower rack, and the synchronous gears are engaged with the upper synchronous bar and the lower synchronous bar;
fig. 15 is a schematic view of an arrangement structure of an upper roller assembly of a three-section synchronous sliding rail according to an embodiment of the present invention;
fig. 16 is a schematic structural view of an embedded rack for mounting a three-section synchronous sliding rail according to an embodiment of the present invention;
FIG. 17 is a front view of FIG. 16;
FIG. 18 is a schematic view of the structure for receiving an embedded rack;
fig. 19 is a schematic structural view of a middle rail of a three-section synchronous sliding rail according to an embodiment of the present invention;
fig. 20 is a schematic structural view of the movable rail and the middle rail anti-unhooking cooperation of the three-section synchronous sliding rail provided by the embodiment of the present invention.
Wherein, 1 is a movable rail, 2 is a middle rail, 3 is a fixed rail, 4 is an upper rack, 5 is an upper roller assembly, 6 is a sliding seat, 7 is a damping mechanism, and 9 is a gear assembly;
21 is an upper synchronous bar, 22 is an anti-unhooking bar, 31 is a lower synchronous bar, 41 is a main rack, 42 is an embedded rack, 61 is a lower rack frame body, 62 is a lower rack, 63 is a roller frame body, 64 is a synchronous gear, 91 is a gear, 92 is a gear frame, and 93 is a guide projection.
Detailed Description
The core of the utility model is to provide a three-section synchronous slide rail, which realizes the complete closure of the drawer.
The utility model also provides a drawer that contains this three section synchronous slide rail, realizes that the drawer is closed completely.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-9 and 14, an embodiment of the present invention provides a three-section synchronous sliding rail, which includes a movable rail 1, a middle rail 2, a fixed rail 3, a sliding seat 6 and a synchronous gear 64; the middle rail 2 is embedded in the movable rail 1 and moves along the length direction relative to the movable rail 1; the sliding seat 6 is arranged in the middle rail 2 and moves along the length direction relative to the middle rail 2, and the sliding seat 6 is movably connected to the fixed rail 3 along the length direction relative to the fixed rail 3; the middle rail 2 is provided with an upper synchronous strip 21, specifically, the upper synchronous strip 21 is arranged on the inner top surface of the middle rail 2 along the length direction of the middle rail 2, and the upper synchronous strip 21 moves along with the middle rail 2; the fixed rail 3 is provided with a lower synchronous strip 31, specifically, the lower synchronous strip 31 is arranged outside the fixed rail 3 along the length direction of the fixed rail 3, and the upper synchronous strip 21 and the lower synchronous strip 31 are parallel; the synchronizing gear 64 is rotatably connected to the sliding seat 6, specifically, the synchronizing gear 64 is rotatably connected to the side surface of the sliding seat 6, the synchronizing gear 64 is located between the upper synchronizing bar 21 and the lower synchronizing bar 31, and both the upper synchronizing bar 21 and the lower synchronizing bar 31 are in transmission cooperation with the synchronizing gear 64.
This three-section synchronous slide rail is under the condition of the drawer is not stretched many times repeatedly when incompletely pulling out, well rail is 6 to remove relative sliding seat, sliding seat 6 moves relative fixed rail 3, because well rail 2 is provided with synchronization bar 21, fixed rail 3 is provided with down synchronization bar 31, sliding seat 6 is provided with synchronizing gear 64, therefore, through last synchronization bar 21, synchronizing gear 64 and the synchronous cooperation of synchronization bar 31 down, well rail 2 has been realized, the dislocation can not take place for the relative position relation in the motion process of sliding seat 6 and fixed rail 3, therefore, when closing the drawer at last, can the totally closed drawer.
As shown in fig. 5-8, in the present embodiment, the upper synchronization bar 21 is integrally or separately disposed on the middle rail 2, that is, the upper synchronization bar 21 and the middle rail 2 may be separately fixed, or may be an integrally molded structure; similarly, the lower synchronization bar 31 is integrally or separately disposed on the fixed rail 3, that is, the lower synchronization bar 31 and the fixed rail 3 may be separately fixed or may be an integrally formed structure.
Further, in this embodiment, the upper synchronization bar 21 is provided with a plurality of matching holes or matching teeth arranged at equal intervals along the length direction of the upper synchronization bar 21, the lower synchronization bar 31 is also provided with a plurality of matching holes or matching teeth arranged at equal intervals along the length direction of the lower synchronization bar 31, the matching holes or matching teeth can be directly arranged on the middle rail 2 and the fixed rail 3, or can be separately arranged on the bar-shaped structure and then fixed on the middle rail 2 and the fixed rail 3, and the matching holes and the matching teeth are both used for matching with the synchronization gear 64. The upper and lower synchronizing bars 21 and 31 are not limited to the structure illustrated in the present embodiment as long as they can be synchronized with the synchronizing gear 64.
As shown in fig. 2, further, in the present embodiment, the three-section synchronous slide rail further comprises a gear assembly 9 and an upper rack 4; wherein, the sliding seat 6 is provided with a lower rack 62; go up rack 4 and be fixed in movable rail 1 in, go up rack 4 and movable rail 1 and move together, gear assembly 9 sets up on well rail 2 and runs through the top surface of well rail 2 from top to bottom, and gear assembly 9 is located inside movable rail 1, and gear assembly 9 and well rail 2 move together, and gear assembly 9 is located between rack 4 and the sliding seat 6, goes up rack 4 and lower rack 62 respectively with the transmission of gear assembly 9.
This three-section synchronous slide rail during operation, movable rail 1 removes, the last rack 4 that is fixed in on the movable rail 1 removes 2 relative well rails together, goes up rack 4 and drives the action of gear assembly 9, because on gear assembly 9 is fixed in well rail 2, gear assembly 9 and sliding seat 6's lower rack 62 transmission, consequently, 2 relative sliding seat 6 removals of rail in the gear assembly 9 drive, through gear assembly 9, go up rack 4 and lower rack 62 and realized movable rail 1, well rail 2 and sliding seat 6's synchronous operation.
As shown in fig. 10-15, further, in the present embodiment, the gear assembly 9 includes at least one gear 91, the gear 91 may be a spur gear, a helical gear or a bevel gear, and the upper rack gear 4 and the lower rack gear 62 are respectively engaged with the gear 91.
Preferably, the gear 91 is a bevel gear, and the top surface of the upper rack 4 and the top surface of the lower rack 62 are both inclined to better engage with the bevel gear.
The working principle of the three-section synchronous sliding rail adopting the bevel gear in the embodiment is as follows: when the device works, the movable rail 1 moves, the upper rack 4 fixed on the movable rail 1 moves relative to the middle rail 2 together, the upper rack 4 drives the bevel gear of the gear assembly 9 to rotate, the bevel gear is meshed with the lower rack 62 of the sliding seat 6 because the gear assembly 9 is fixed on the middle rail 2, the bevel gear drives the middle rail 2 to move relative to the sliding seat 6, the middle rail 2 and the movable rail 1 move synchronously at different speeds, and the sliding seat 6 moves relative to the fixed rail 3 under the integral acting force and is respectively meshed with the upper rack 4 and the lower rack 62 through the bevel gear, the speed ratio required by the movement of the upper rack 4 and the lower rack 62 is realized according to the inclination of the bevel gear and the modulus or tooth pitch of the upper rack 4 and the lower rack 62, and then the movable rail 1, the middle rail 2 and the sliding seat 6 are driven to move at the speed ratio, so that the synchronous movement among the movable rail 1, the middle rail 2 and the sliding seat 6, and compare with the gear assembly that comprises two relative rotation tight-fitting spur gears among the patent CN104352095B, gear assembly 9 in this application only has a bevel gear, and the bevel gear is a whole, can not appear skidding to the dislocation has been avoided appearing between rack and the bevel gear, has improved the synchronous stability that the slide rail removed. In addition, the bevel gear has simple structure and few parts, does not need higher matching precision, thereby reducing the manufacturing cost and being convenient for assembly.
As shown in fig. 10-12, in the present embodiment, the gear assembly 9 further includes a gear rack 92, the gear 91 is rotatably connected to the gear rack 92, and the gear rack 92 is fixed on the top surface of the middle rail 2. The gear 91 vertically penetrates the top surface of the middle rail 2 and is respectively meshed with the upper rack 4 above the middle rail 2 and the lower rack 62 inside the middle rail 2. The gear rack 92 is preferably fixed on the middle rail 2 through a buckle in an inserting mode, and the whole assembly and disassembly are convenient.
Furthermore, in this embodiment, the lower end of the gear rack 92 is provided with a guide protrusion 93, the sliding seat 6 is provided with a guide groove along the length direction, the guide protrusion 93 is movably matched with the guide groove, and the sliding seat 6 is prevented from falling relative to the middle rail 2 in the moving process by the upper and lower limiting effects of the guide protrusion 93 and the guide groove, so that the gear 91 and the lower rack 62 are always in a precise meshing state. Of course, the gear assembly 9 may also comprise only the gear 91, the gear 91 being directly rotatably arranged on the top surface of the middle rail 2.
As shown in fig. 2 and 15, in this embodiment, the three-section synchronous sliding rail further includes an upper roller assembly 5, the upper roller assembly 5 is movably disposed on the top surface of the middle rail 2 along the length direction of the middle rail 2, and the movable rail 1 and the middle rail 2 relatively move through the upper roller assembly 5. Go up wheel components 5 and include the gyro wheel support and set up a plurality of gyro wheels on the gyro wheel support, the rolling face and the movable rail 1 contact of gyro wheel, and the both sides face of gyro wheel support still is provided with the ball, through ball and the rolling movement of well rail 2. Smooth movement between the movable rail 1 and the middle rail 2 is realized through the upper roller assembly 5, the friction resistance of rolling friction is small, and the movement is more labor-saving. Of course, sliding friction is also possible between the movable rail 1 and the middle rail 2.
As shown in fig. 3, in this embodiment, the sliding seat 6 includes a frame body and a plurality of rollers disposed around the frame body, a lower rack 62 is disposed on the frame body, and the sliding seat 6 moves relative to the middle rail 2 and the fixed rail 3 through the rollers. The roller located on the upper portion of the frame body is used for rolling and supporting the inner top surface of the middle rail 2, the roller located on one side wall of the frame body is used for rolling contact with the side wall of the middle rail 2, the roller located on the other side wall of the frame body is used for rolling contact with the side wall of the fixed rail 3, and the roller located on the lower portion of the frame body is used for rolling contact with the horizontal wall surface of the fixed rail 3. Smooth movement among the sliding seat 6, the middle rail 2 and the fixed rail 3 is achieved by the rollers of the sliding seat 6.
Further, in this embodiment, the rack body includes a lower rack body 61 and a roller rack body 63 which are assembled separately, the roller is disposed on the roller rack body 63, and the lower rack 62 is disposed on the lower rack body 61. The roller frame body 63 and the lower rack frame body 61 are connected in a splicing combination mode, and disassembly and assembly are facilitated. The frame body adopts a split structure, so that the processing, the production and the assembly are convenient.
In the present embodiment, as shown in fig. 19 and 20, the side wall of the middle rail 2 is provided with a separation preventing hook 22 which is in limit contact with the inner lower edge of the movable rail 1. The purpose of this arrangement is to prevent the movable rail 1 from tilting upwards and falling off the middle rail 2 when the force applied to the front end of the movable rail 1 is too large, and the anti-drop hook 22 on the middle rail 2 catches the tail end of the movable rail 1.
As shown in fig. 16 to 18, further, in the present embodiment, the upper rack 4 includes a main rack 41 and an embedded rack 42 which are separately combined, and the tail portion of the movable rail 1 is provided with an insertion hole for being inserted into the embedded rack 42. In this arrangement, in order to prevent the gear 91 from being misaligned with the upper rack 4 and the lower rack 62, the tail end of the upper rack 4 is provided with the embedded rack 42 which is a separate body, and during assembly, the slide rail is firstly opened and pulled to the final point, at this time, the main rack 41 and the gear 91 are in a gear-disengaging state, and the lower rack 62 is in a meshing state; the rack insert 42 is then inserted into the insert hole and mated with the body rack 41 to form the complete upper rack 4, at which time the rack insert 42 engages with the gear 91, thereby engaging the upper rack 4, the gear 91 and the lower rack 62 in the correct position.
As shown in fig. 2, in the present embodiment, the three-section synchronous slide rail further includes a damping mechanism 7 to realize the damping movement of the slide rail. One specific structure of the damping mechanism 7 can be found in the description of patent CN104352095B, and is not described in detail here.
Based on the synchronous slide rail of three section that any embodiment described above, the embodiment of the utility model provides a drawer is still provided, including slide rail, drawer box and box, drawer box pull sets up in the box, is connected through the slide rail pull between drawer box and the box, and wherein, the slide rail is the synchronous slide rail of three section as any embodiment described above. Preferably, the bottom both sides of drawer box all set up a three section synchronous slide rail to improve the slip stationarity.
This drawer has adopted the synchronous slide rail of three section in this application, consequently, can realize closing completely of drawer under the condition of relapse a lot of drawing when the drawer is incompletely pulled out.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A three-section synchronous slide rail is characterized by comprising a movable rail, a middle rail, a fixed rail, a sliding seat and a synchronous gear; the middle rail is movably embedded in the movable rail along the length direction, the sliding seat is movably arranged in the middle rail along the length direction, and the sliding seat is movably connected to the fixed rail along the length direction; the middle rail is integrally or separately provided with an upper synchronous strip; a lower synchronous strip is integrally or separately arranged on the fixed rail; the synchronous gear is rotationally connected with the sliding seat, and the upper synchronous strip and the lower synchronous strip are in transmission fit with the synchronous gear.
2. The three-section synchronous slide rail according to claim 1, wherein the upper synchronous bar is provided with a plurality of matching holes or matching teeth at equal intervals, the lower synchronous bar is provided with a plurality of matching holes or matching teeth at equal intervals, and both the matching holes and the matching teeth are used for matching with the synchronous gear.
3. The three-section synchronous slide rail according to claim 1, further comprising a gear assembly and an upper rack, wherein the sliding seat is provided with a lower rack; the upper rack is fixed in the movable rail, the gear assembly is arranged on the middle rail and penetrates through the top surface of the middle rail, the gear assembly is located between the upper rack and the sliding seat, and the upper rack and the lower rack are respectively in transmission with the gear assembly.
4. The three-section synchronous slide of claim 3 wherein the gear assembly comprises at least one gear, the upper and lower racks being respectively engaged with the gear.
5. The three-section synchronous slide of claim 4 wherein the gear assembly further comprises a gear carrier, the gear being rotationally coupled to the gear carrier, the gear carrier being fixed to a top surface of the center rail.
6. The three-section synchronous slide rail according to claim 5, wherein the lower end of the gear rack is provided with a guide protrusion, the sliding seat is provided with a guide groove along the length direction, and the guide protrusion is movably matched with the guide groove and is limited up and down.
7. The three-section synchronous slide rail according to any one of claims 1 to 6, further comprising an upper roller assembly, wherein the upper roller assembly is movably disposed on the top surface of the middle rail along the length direction of the middle rail, and the movable rail and the middle rail are relatively moved by the upper roller assembly.
8. The three-section synchronous slide rail according to any one of claims 3 to 6, wherein the sliding seat comprises a frame body and a plurality of rollers arranged around the frame body, the frame body is provided with the lower rack, and the sliding seat moves relative to the middle rail and the fixed rail through the rollers.
9. The three-section synchronous slide rail according to claim 8, wherein the rack body comprises a lower rack body and a roller rack body which are assembled in a split manner, the roller is arranged on the roller rack body, and the lower rack is arranged on the lower rack body.
10. The three-section synchronous slide rail according to any one of claims 1 to 6, wherein the side wall of the middle rail is provided with an anti-drop hook in limit contact with the inner lower edge of the movable rail.
11. The three-section synchronous slide rail according to any one of claims 3 to 6, wherein the upper rack comprises a main rack and an embedded rack which are combined in a split manner, and the tail part of the movable rail is provided with an embedding hole for being clamped into the embedded rack.
12. A drawer, comprising a slide rail, a drawer box and a box body, wherein the drawer box is arranged in the box body in a drawing way, and the drawer box is connected with the box body in a drawing way through the slide rail, and the slide rail is a three-section synchronous slide rail according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395726.4U CN211559395U (en) | 2019-08-26 | 2019-08-26 | Three-section synchronous sliding rail and drawer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395726.4U CN211559395U (en) | 2019-08-26 | 2019-08-26 | Three-section synchronous sliding rail and drawer |
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| CN211559395U true CN211559395U (en) | 2020-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110367713A (en) * | 2019-08-26 | 2019-10-25 | 广东泰明金属制品有限公司 | Three section synchronous sliding tracks of one kind and drawer |
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2019
- 2019-08-26 CN CN201921395726.4U patent/CN211559395U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110367713A (en) * | 2019-08-26 | 2019-10-25 | 广东泰明金属制品有限公司 | Three section synchronous sliding tracks of one kind and drawer |
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