CN210672689U - Rebound mechanism with synchronous start and stop - Google Patents

Abstract

The utility model discloses a rebound mechanism with synchronous start and stop, which comprises a fixed part fixedly connected with fixed slide rails on two sides respectively, wherein the inner wall surface of the fixed part is provided with a first sliding track groove which is matched with a trigger part to slide linearly so as to limit the clamping of the movable slide rails and pop out and push out, the inner wall surface of the fixed part is provided with a second sliding track groove which is movably connected with one end of a hook to be hooked by a hook, the other end of the hook is movably connected with the trigger part to limit the trigger part when the drawer is in a non-pop-out state, the inner wall surface of the fixed part is also provided with a fourth sliding track groove which is linearly slid with a synchronous part and can be clamped with or separated from the trigger part, the synchronous part is meshed with a synchronous gear part to drive and enables the slide rails on the left side and the right side to move synchronously through a synchronous rod arranged in the middle part, compared with, thereby improving the strength of the mechanism.

Description

Rebound mechanism with synchronous start and stop

Technical Field

The utility model relates to a drawer technical field, in particular to bounce-back mechanism with open in step and stop.

Background

Chinese patent (publication No. CN105433618B) discloses a synchronous deflection stabilizing mechanism of a drawer slide rail, which comprises two sets of slide rail components arranged on left and right cabinet side plates, wherein a drawer is arranged on the slide rail components, the drawer at least comprises a rear back plate and a front panel, the slide rail components comprise a movable slide rail and a fixed slide rail, a pressing rebounding device is arranged on the left and right movable slide rail or the fixed slide rail, the drawer is automatically opened at least in a closed state through the pressing rebounding device, a synchronous deflection device is arranged on the inner side of the rear end of the left and right movable slide rail or the fixed slide rail, a synchronous rod is arranged between the left and right synchronous deflection devices and is in transmission connection through the synchronous rod, and the synchronous rod is arranged behind the rear back plate and has a length less; the left and right movable sliding rails or the fixed sliding rails are provided with a rebounding shifting part and a synchronous shifting part at intervals, and the left and right movable sliding rails are at least in a drawer closing state and press the rebounding device and the synchronous deflection device respectively through the rebounding shifting part and the synchronous shifting part to realize synchronous and/or automatic opening relative to the left and right fixed sliding rails simultaneously.

However, in the technical scheme of the patent, the pop-up mechanism for popping out the moving rail outwards and the synchronizing mechanism for ensuring the synchronous action of the slide rails on the left side and the right side of the drawer are separated from each other, so that the installation and assembly efficiency is low, the slide rails are additionally provided with the two mutually separated functional mechanisms, the weight and the volume of the slide rails are larger, the lightweight structure cannot be arranged, the two mutually separated mechanisms with larger installation intervals are easy to pop out the drawer outwards and make the slide rails on the two sides cannot synchronously act because of the deformation of the drawer structure, and even the drawer cannot be opened normally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compact structure and reliable operation have the bounce-back mechanism that opens in step and stop, aim at guaranteeing that the drawer can outwards pop out and reset reliably, and then improve mechanism's intensity.

In order to realize the above-mentioned purpose, the utility model provides a bounce-back mechanism with open in step is stopped, including respectively with the fixed continuous mounting of slide rail of both sides, the mounting internal face is equipped with first slip orbit groove and triggers a cooperation linear slip and releases with the spacing and outwards popping out of slide rail block, the mounting internal face is equipped with second slip orbit groove and is linked to by the hook with couple one end activity, the couple other end links to each other with trigger piece activity with to trigger piece spacing when the drawer non-pop-up state, the mounting internal face still be equipped with fourth slip orbit groove and synchronous piece linear slip and can with trigger piece block or separation, synchronous piece and synchronous gear piece meshing transmission and through set up the synchronizing bar messenger left and right sides slide rail synchronous motion in the middle part.

Preferably, the first sliding track groove comprises a horizontal track groove and an inclined track groove with the end part communicated with the horizontal track groove and inclined downwards, and the lower part of the other end of the horizontal track groove is communicated with a vertically arranged avoidance track groove; trigger the piece and trigger the piece including consecutive first trigger piece and second, the second triggers a top surface and is equipped with first slip chamber downwards, and first slip intracavity is equipped with the bounce-back dog and slides from top to bottom through the spring of bottom, bounce-back dog center has worn the bounce-back and has led positive round pin, and the bounce-back is led positive round pin tip and is penetrated first slip orbit inslot, the mounting terminal surface is equipped with third slip orbit groove, second trigger piece bottom is equipped with the location slider card and is gone into third slip orbit inslot is with the cooperation trigger a rectilinear sliding.

Preferably, second slip orbit groove includes first horizontal orbit groove, second horizontal orbit groove, the third horizontal orbit groove that from the top down set up, second trigger center is equipped with anticreep piece, anticreep piece center with the couple activity is cup jointed and is linked to each other, first horizontal orbit groove middle part with second horizontal orbit groove middle part passes through the inclined plane transition, second horizontal orbit groove pass through the inclined plane with the transition of third horizontal orbit groove left end, first horizontal orbit groove pass through the inclined plane with the transition of third horizontal orbit groove right-hand member, the second slip orbit inslot is equipped with irregularly shaped spacing lug, and spacing lug's left surface is sunk structure, and spacing lug's upper left corner position is less than first horizontal orbit tank bottom, spacing lug's lower right corner is less than second horizontal orbit tank bottom.

Preferably, the end of the second trigger member is connected to the end of the fixing member by an elastic member, and the elastic member is elastically deformed and moved in the groove inside the fixing member to apply elastic tension to the trigger member.

Preferably, the other end of the side face of the fixing part is detachably connected with a synchronous cover, the fixing part and the opposite side face of the synchronous cover are symmetrically provided with a fourth sliding track groove and a fifth sliding track groove respectively, the fourth sliding track groove and the fifth sliding track groove are both provided with a synchronous horizontal track groove and a synchronous inclined track groove which is communicated with the synchronous horizontal track groove and inclines upwards, a synchronous part is arranged between the fixing part and the synchronous cover, the top of the synchronous part is provided with a second sliding cavity downwards and is internally provided with a synchronous stop dog, a synchronous guide pin penetrates through the center of the synchronous stop dog, the end part of the synchronous guide pin penetrates through the second sliding cavity and then penetrates into the fourth sliding track groove and the fifth sliding track groove respectively so as to limit the vertical movement range of the synchronous stop dog, and the synchronous stop dog can be inserted downwards into the positioning clamping groove at the end part of the first trigger part in the linear.

Preferably, a synchronous gear piece penetrates through the side face of the synchronous cover, the end part of the synchronous gear piece is in meshed transmission with a rack structure at the lower part of the synchronous piece, and the other end of the synchronous gear piece is connected with a synchronous rod in an inserting mode through a synchronous rod connecting piece.

Preferably, the synchronizing bar connecting piece lateral wall is equipped with positioning hole, but synchronizing gear spare surface is equipped with the elasticity piece elasticity card and goes into in the positioning hole, synchronizing gear spare with be equipped with the spring in the mutual registrate position of synchronizing bar connecting piece.

The utility model discloses technical scheme prior art has following advantage relatively:

the utility model discloses technical scheme carries out integrated installation setting through the mechanism that adopts to have bounce-back function and synchronizing function, also namely through the mounting simultaneously with the integrated installation of mechanism of bounce-back function and synchronizing function, not only can improve the structural strength of whole mechanism to still can save manufacturing cost, reduce the structure volume and improve the installation effectiveness, make the drawer can realize that the function is abundant and the lightweight installation.

The utility model discloses technical scheme makes the bounce-back baffle reciprocate triggering a removal in-process cooperation first slip track groove through ingenious first slip track groove setting to the realization is dodged and is started a function, needs the drawer to pop out the in-process outward automatically very much at the user, dodges through the bounce-back dog and starts a piece, makes trigger a can carry out quick outside thrust to moving the slide rail, so that the drawer outwards pops out automatically. Meanwhile, when the user directly pulls out the drawer outwards, overcome the bounce-back spring through making the bounce-back dog and move to dodging the orbit groove, the starter can conveniently pass through the bounce-back dog, consequently the utility model discloses technical scheme's drawer has normal outwards pull-out function. Additionally the utility model discloses a synchronization member and fourth slip orbit groove cooperation for synchronous dog can insert in the trigger piece tip positioning channel groove or loosen the connection, and synchronization member and synchronous gear piece cooperation meshing conveying are in order to realize the slide rail synchronization action of the left and right sides.

The utility model discloses technical scheme still links to each other by the hook through couple and the cooperation of second slip orbit groove to when the drawer outwards popped out and inwards reset, also make the couple tip realize moving reliably and guarantee that the trigger piece is fixed or trigger the piece and execute in order to pop out the effect to the starter piece along the different orbit grooves of inside in second slip orbit groove adaptivity ground.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the installation structure of the rebounding mechanism of the present invention;

FIG. 2 is a schematic structural view of the fixing member of the present invention;

fig. 3 is an exploded view of the trigger of the present invention;

FIG. 4 is a schematic view of the assembly structure of the anti-falling part and the hook of the present invention;

fig. 5 is a schematic view of an assembly structure of the trigger of the present invention;

fig. 6 is an exploded structural view of the rebounding mechanism on the right side of the present invention;

fig. 7 is an assembly structure diagram of the rebounding mechanism on the right side of the present invention;

FIG. 8 is a diagram of the movement track of the hook end in the second sliding track groove when the drawer is ejected;

fig. 9 is a diagram of the movement track of the hook end in the second sliding track groove when the drawer of the present invention is retracted.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a bounce-back mechanism with open in step and stop.

As shown in fig. 1, in the embodiment of the present invention, the rebounding mechanism is detachably connected to the drawer, the drawer is mainly connected to the slide rail 1 and the drawer main body to form an integral structure, the slide rail 1 is composed of a fixed slide rail 4, a middle rail 3 and a movable slide rail 2, the fixed slide rail 4 is fixedly connected to the furniture body, and the movable slide rail 2 is directly connected to the drawer to drive the drawer to move out or move in the furniture body relative to the fixed slide rail 4. The rebounding mechanism 5 of this embodiment can be connected to the fixed slide rails 4 by fastening, riveting, clamping, etc. with fixing members, preferably, the rebounding mechanism 5 of this embodiment is a mechanism connected to the fixed slide rails 4 on both sides, respectively.

Referring to fig. 2 to 5, the rebounding mechanism 5 of the present embodiment includes a fixed member 51 having a plate structure fixedly connected to the fixed slide rail 4, and a first sliding track groove 511 is disposed on an upper portion of an inner side surface of the fixed member 51, wherein the first sliding track groove 511 includes a horizontal track groove 5112 and an inclined track groove 5113 communicating with a right end of the horizontal track groove 5112 and inclined downward, and an avoiding track groove 5111 is further disposed on the other end of the horizontal track groove 5112 and communicates with the horizontal track groove 5112. The inner side surface of the fixing member 51 is movably connected to the trigger member 52 through a first sliding track groove 5111, wherein the trigger member 52 includes a first trigger member 521 and a second trigger member 522 which are connected in sequence, wherein the top surface of the second trigger member 522 is provided with a first sliding cavity 525 downward, a rebounding stopper 529 is arranged in the first sliding cavity 525 and can slide up and down, meanwhile, both sides of the second trigger member 522 are provided with a first sliding cavity through groove hole 524 which penetrates through the first sliding cavity 525, a rebounding guide pin 5291 is arranged in the middle of the rebounding stopper 529 to limit the position distance of the rebounding stopper 529 moving up and down, a rebounding spring 5292 is arranged at the bottom end of the rebounding stopper 529 and can push the rebounding stopper 529 to move outwards, both ends of the rebounding guide pin 5291 respectively penetrate through the first sliding cavity through groove holes 524 on both sides and extend outwards, the rebounding guide pin 5291 is inserted into the first sliding track groove 511 towards one end of the first sliding track groove 511 and can slide along the first sliding, and the rebound stopper 529 is pushed to elastically move by the rebound guide pin 5291.

Referring to fig. 2 to 6, in the embodiment, an anti-falling-off member installation cavity 523 is further disposed in the middle of the second trigger 522, an anti-falling-off member 5231 is disposed in the anti-falling-off member installation cavity 523, a side surface of the anti-falling-off member 5231 opposite to the second trigger 522 is hinged to the hook 5232, and a distal end of the hook 5232 can be movably hooked to the second sliding track groove 512 through the second trigger 522, wherein the second sliding track groove 512 includes a first horizontal track groove 5121 disposed on an upper portion, a second horizontal track groove 5122 disposed in a middle portion, and a third horizontal track groove 5123 disposed on a lower portion, a left end of the first horizontal track groove 5121 extends into an internal structure of the fixing member 51, a right end of the first horizontal track groove 5121 is transited to a right end of the third horizontal track groove 5123 through a downward second inner wall surface 5126, a middle portion of the first horizontal track groove 5121 is transited to a middle portion of the second horizontal track groove 5122 through a right-inclined and, the left end of the second horizontal track groove 5122 extends into the internal structure of the fixing member 51, the right end of the second horizontal track groove 5122 is in transition with the left end of the third horizontal track groove 5123 through a third inner wall face 5127 which is upward and downward inclined, a limit bump 5124 with an irregular shape is arranged in the middle of the second sliding track groove 512, the left side face of the limit bump 5124 is of a concave structure, the upper left corner of the limit bump 514 is lower than the bottom of the first horizontal track groove 5121, the lower left corner of the limit bump 5124 is lower than the bottom of the second horizontal track groove 5122, and the hook 5232 is inserted into the tail end of the second sliding track groove 512 and correspondingly moves in the second sliding track groove 512 when the trigger 52 moves. Preferably, the right end of the triggering member 52 of the present embodiment is provided with a positioning groove 528 which can be connected with one end of the tension spring 59, and the other end of the tension spring 59 is horizontally arranged along the mounting groove provided at the side of the fixing member 51, and the other end of the tension spring 59 is snapped into the positioning groove 528 provided at the right end of the fixing member 51, so that the triggering member 52 can linearly move relative to the fixing member 51 by the deformation of the tension spring 59.

Referring to fig. 2 and 5, in order to ensure that the triggering part 52 and the fixed part 53 perform a relative linear motion reliably, in the present embodiment, a positioning slider 527 is disposed on a side surface of the triggering part 52 opposite to the fixed part 53 and is clamped into the third sliding track groove 513, and the positioning slider 527 and the third sliding track groove 513 slide in cooperation with each other to achieve that the triggering part 52 performs a relative linear motion reliably with respect to the fixed part 51.

Referring to fig. 6, in order to ensure that the rebounding mechanism 5 of this embodiment can ensure a synchronous start/stop function in the outward movement process of the movable sliding rail 2, in this embodiment, a synchronous cover 55 is connected to the left end of the fixing member 51, wherein the synchronous cover 55 can be connected to the fixing member 51 by other detachable structures such as clamping, inserting and the like, the synchronous cover 55 and the left side of the fixing member 51 form a cavity for accommodating the synchronous member 53 together, and a telescopic spring 54 is arranged between the right end of the synchronous member 53 and the inner wall surface of the left side of the cavity, so that the synchronous member 53 can continuously and elastically move to the right side of the fixing member 5111. In addition, a fourth sliding track groove 514 is provided on the inner wall surface of the fixing member 51, a fifth sliding track groove and a fourth sliding track groove 514 are symmetrically provided on the inner side surface of the synchronization cover 55, the fourth sliding track groove 514 is provided with a horizontal synchronous horizontal track groove 5141, the right end of the horizontal synchronous track groove 5141 is communicated with an upward inclined synchronous inclined track groove 5142, the right side of the synchronous piece 53 is provided with a vertically arranged second sliding cavity 532, the right side of the synchronous piece 53 is also provided with a second sliding cavity through groove hole 533 which is communicated with the second sliding cavity 532, a synchronous stopper 534 is vertically arranged in the second sliding cavity 532, the synchronous stopper 534 is vertically connected with a synchronous guide pin 535, two ends of the synchronous guide pin 535 penetrate through the through slot hole 533 of the second sliding cavity and then are respectively inserted into the fourth sliding track groove 514 and the fifth sliding track groove 551, the vertical movement distance of the synchronizing block 534 can be limited by the provision of the synchronizing pilot pin 535 and the second sliding cavity through slot 533. Because the upper portion of the first trigger 521 is provided with the positioning slot 5211, and the lower portion of the synchronizing block 534 can be downwardly clamped into the positioning slot 5211 to achieve the connection between the synchronizing member 53 and the trigger 52, the synchronizing block 534 moves upward and disengages from the positioning slot 5211, so that the synchronizing member 53 and the trigger 52 can be separated from each other.

Referring to fig. 6, in addition, a synchronizing gear member 56 is penetrated through the side surface of the synchronizing cover 55, wherein a gear at the end of the synchronizing gear member 56 is meshed with a rack 531 at the lower left of the synchronizing member 53 for transmission after penetrating through the synchronizing cover 55. The other end of the synchronizing gear piece 56 is connected with the synchronizing rod connecting piece 58 in an inserting mode, two parallel surfaces arranged at the end of the synchronizing gear piece 56 are matched with and positioned with parallel surfaces of an inner sleeve of the synchronizing rod connecting piece 58 to prevent the synchronizing gear piece 56 and the synchronizing rod connecting piece 58 from rotating relatively, two through holes are formed in the side wall of the synchronizing rod connecting piece 58, an elastic block is arranged on the surface of the synchronizing gear piece 56, and the elastic block can be elastically clamped into the through holes to achieve the function of quick assembly and disassembly between the synchronizing gear piece and the synchronizing. Preferably, in order to compensate for the manufacturing length error of the synchronizing bar 6, the present embodiment provides a sleeve structure at the end of the synchronizing gear member 56, and a second expansion spring 57 is provided between the positions where the synchronizing gear member 56 and the synchronizing bar connecting member 58 are nested with each other, so that the synchronizing bar connecting member 58 is continuously moved toward the synchronizing bar 6 by the second expansion spring 57 to elastically compensate for the manufacturing length error of the synchronizing bar 6.

Referring to fig. 1 to 9, the operation principle of the bounce mechanism with synchronous start and stop of the present embodiment is as follows:

when the drawer is in a closed state, the tail end of the hook 5232 movably connected with the anti-falling piece 5231 extends into the second sliding track groove 512, the tail end of the hook 5232 is clamped on the left circular arc surface of the limit bump 5124, the synchronous stop 534 is downwards clamped into the positioning clamp groove 5211 of the first trigger piece 521, so that the trigger piece 52 and the synchronous piece 53 are connected to form an integral structure, meanwhile, the positioning groove 528 at the lower right corner of the trigger piece 52 and the positioning groove 528 at the lower right corner of the fixing piece 51 are respectively clamped and connected with the end of the tension spring 59, and the tension spring 59 is in a maximum tension state.

When the user needs to draw the drawer out directly, the user only needs to apply an outward pulling force to the drawer, so that the drawer drives the movable sliding rail 2 to move outwards, and the actuating member connected with the movable sliding rail 2 is directly clamped into the gap between the trigger 52 and the rebound stopper 529 when the drawer is in a closed state. When the user directly pulls out the drawer, since both sides of the top end of the rebound stopper 529 are respectively inclined surfaces, the actuating member can move upward along the inclined surface of the top end of the rebound stopper 529 and the rebound stopper 529 moves downward against the rebound spring 5292, and accordingly, the end of the rebound guide pin 5291 passing through the middle portion of the rebound stopper 529 slides into the escape track groove 5111 from the horizontal track groove 5112, so that the actuating member can smoothly pass straight through the rebound stopper 529 and move outward from the gap between the trigger 52 and the rebound stopper 529, and thus the user can conveniently pull out the drawer. When the user needs to push the drawer into the interior of the furniture body for resetting, only inward pushing force needs to be directly applied to the front panel of the drawer, the starting piece gradually moves towards the gap between the trigger piece 52 and the rebound stopper 529, the starting piece presses the rebound stopper 529 to move towards the avoidance track groove 5111 through the inclined surface at the top end of the rebound stopper 529, so that the starting piece smoothly passes through the rebound stopper 529 and is clamped into the gap between the trigger groove 526 of the trigger piece 52 and the rebound stopper 529, and the process is the drawer drawing function when the rebound function is not needed.

When a user needs to eject the drawer outwards through the rebounding function, the movable sliding rail 2 moves a short distance to the inside of the furniture body along with the drawer by applying a pushing force to the front panel of the drawer in the direction towards the inside of the drawer. When the drawer is closed, the actuating member connected to the movable sliding rail 2 is inserted into the gap between the trigger groove 526 of the trigger 52 and the resilient stopper 529, and the actuating member abuts against the trigger groove 526 of the trigger 52, so that the user pushes the trigger 52 to move inward by pushing the drawer inward, and the end of the hook 5232 abuts against the first inner wall 5125 and continues to move upward to slide into the first horizontal track groove 5121. Since the tension spring 59 for tensioning the trigger 52 and the fixed member 51 is in a maximum tension state when the drawer is in a closed state, and when the end of the hook 5232 slides into the first horizontal track groove 5121, the trigger 52 loses its gripping action by the hook 5232, the tension spring 59 is rapidly contracted and deformed, and further pulls the trigger 52 to rapidly move toward the right end of the fixed member 51, when the trigger 52 rapidly moves toward the right side of the fixed member 51, since the end of the reverse guide pin 5291 is caught inside the first sliding track groove 511, and when the reverse guide pin 5291 moves from the horizontal track groove 5112 to the inclined track groove 5113 inclined downward, the reverse guide pin 5291 drives the reverse stopper 529 to move downward, so that the trigger 52 applies a rapid outward pushing force to the trigger, and the trigger loosens from the gap between the trigger groove 526 and the reverse stopper 529 to rapidly move outward, accordingly, the actuating member pushes the movable rail 2 to move outwards due to inertia, i.e. the drawer is gradually popped outwards, and at this time, the end of the hook 5232 also passes through the second inner wall 5126 from the first horizontal track groove 5121 and then moves to the third horizontal track groove 5123, so as to limit the moving distance of the trigger 52.

In the process that the trigger 52 moves towards the right end of the fixed part 51 through the tension spring 59, since the synchronizing block 534 of the synchronizer 53 is clamped downwards into the positioning slot 5211 of the first trigger 521 under the action of gravity in the initial state, the synchronizing block 52 and the synchronizer 53 move rightwards together in the process that the trigger 52 moves rightwards, but when the synchronizer 53 moves rightwards, the synchronizing guide pin 535 which is originally clamped into the fourth sliding track groove 514 and the fifth sliding track groove 551 moves to the synchronizing inclined track groove 5142 from the synchronizing horizontal track groove 5141, so that the synchronizing guide pin 535 also moves upwards to release the clamping relation with the positioning slot 5211. In the process that the synchronous member 53 moves from the synchronous horizontal track groove 5141 to the synchronous inclined track groove 5142 which inclines upwards, the rack 531 at the lower part of the synchronous member 53 is meshed with the gear at the end part of the synchronous gear member 56 for transmission, and correspondingly, the synchronous gear member 56 is sleeved with the synchronous rod connecting member 58 for transmission, and finally, the synchronous rods 6 arranged at the middle position enable the sliding rails 1 arranged at the two sides to synchronously work.

When the drawer is moved outward to the limit position by the rebounding function, the user only needs to apply a continuous pushing force to the front panel of the drawer, since the end of the rebounding guide pin 5291 is snapped into the end of the inclined track groove 5113 and the positioning slider 527 is slid in cooperation with the third sliding track groove 513, so that the rebounding stopper 529 compresses the rebounding spring 5292 and is located at the lowest position, so that the actuating member can be conveniently abutted against the triggering groove 526 without pressing the rebounding stopper 529, as the movable slide rail 2 is continuously moved toward the inside of the furniture body, the actuating member correspondingly pushes the triggering member 52 to gradually move to the left side of the fixing member 51, and the two ends of the triggering member 52 and the tension spring 59 of the fixing member 51 are gradually stretched, and at the same time, the end of the hook 5232 is moved from the right end to the left end of the third horizontal track groove 5123 and then slides along the third inner wall surface 5127 to the leftmost end of the second horizontal track groove 5122, when the drawer is at the innermost position, after the user releases the pushing action on the drawer, the tension spring 59 has a reset tendency, so that the trigger 52 is pulled to move towards the right end of the fixing piece, the hook 5232 is correspondingly transferred from the second horizontal track groove 5122 to the concave side surface at the left side of the limit bump 5124, finally the complete positioning of the trigger 52 is realized through the hooking between the hook 5232 and the limit bump 5124, the rebound guide pin 5291 is also transferred from the inclined track groove 5113 to the horizontal track groove 5112, the rebound stop 529 is also outwards extended through the rebound spring 5292 and cooperates with the trigger groove 526 to limit the backward movement of the trigger, and the drawer can be prevented from being passively outwards slid in daily use. In addition, the trigger 52 also pushes the synchronizing member 53 to move to the left during moving to the left, the synchronizing guide pin 535 also moves from the right end to the left end of the fifth sliding track groove 551, the synchronizing block 534 again snaps into the positioning notch 5211 of the first trigger 521 under the action of gravity, so that the synchronizing member 53 is reconnected with the trigger 52, the synchronizing gear member 56 engaged with the lower rack 531 of the synchronizing member 53 also moves from the right side to the left, the synchronizing gear member 56 also drives the synchronizing rod connecting member 58 to correspondingly rotate, so that a working process opposite to the action during the outward movement of the drawer occurs, and the sliding rails 1 on the left side and the right side can also synchronously perform a recovery action.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (7)

1. The utility model provides a bounce-back mechanism with open in step and stop, its characterized in that, including respectively with the fixed slide rail fixed continuous mounting of both sides, the mounting internal face is equipped with first slip orbit groove and triggers a cooperation linear slip and spacing and outwards pop out the release with the slide rail block of moving, the mounting internal face is equipped with second slip orbit groove and couples to with couple one end activity, the couple other end links to each other with trigger piece activity when the drawer non-pop-up state with spacing to trigger piece, the mounting internal face still is equipped with fourth slip orbit groove and synchronous piece linear slip and can with trigger piece block or separation, synchronous piece and synchronous gear piece meshing transmission and make left and right sides slide rail synchronous motion through the synchronizing bar that sets up in the middle part.

2. The rebounding mechanism with synchronous start and stop of claim 1, wherein the first sliding track groove comprises a horizontal track groove and an inclined track groove with an end portion communicated with the horizontal track groove and an end portion inclined downwards, and the lower portion of the other end of the horizontal track groove is communicated with an avoidance track groove which is vertically arranged; trigger the piece and trigger the piece including consecutive first trigger piece and second, the second triggers a top surface and is equipped with first slip chamber downwards, and first slip intracavity is equipped with the bounce-back dog and slides from top to bottom through the spring of bottom, bounce-back dog center has worn the bounce-back and has led positive round pin, and the bounce-back is led positive round pin tip and is penetrated first slip orbit inslot, the mounting terminal surface is equipped with third slip orbit groove, second trigger piece bottom is equipped with the location slider card and is gone into third slip orbit inslot is with the cooperation trigger a rectilinear sliding.

3. The rebounding mechanism with synchronous start-stop according to claim 2, wherein said second sliding track groove comprises a first horizontal track groove, a second horizontal track groove, and a third horizontal track groove arranged from top to bottom, the center of the second trigger piece is provided with an anti-drop piece, the center of the anti-drop piece is movably connected with the hook in a sleeved mode, the middle part of the first horizontal track groove and the middle part of the second horizontal track groove are transited through an inclined surface, the second horizontal track groove is transited with the left end of the third horizontal track groove through an inclined surface, the first horizontal track groove is transited with the right end of the third horizontal track groove through an inclined surface, the second sliding track groove is internally provided with a limiting lug in an irregular shape, the left side face of the limiting lug is of a concave structure, the upper left corner of the limiting lug is lower than the bottom of the first horizontal track groove, and the lower right corner of the limiting lug is lower than the bottom of the second horizontal track groove.

4. The rebounding mechanism with synchronous start-stop according to claim 3, wherein said second triggering member end is connected to said fixed member end through an elastic member, said elastic member elastically deforms and moves in said fixed member internal groove to apply elastic tension to said triggering member.

5. The rebounding mechanism with synchronous start-stop function according to claim 4, wherein a synchronous cover is detachably connected to the other end of the side surface of the fixing member, the fixing part and the opposite side surfaces of the synchronous cover are symmetrically provided with a fourth sliding track groove and a fifth sliding track groove respectively, the fourth sliding track groove and the fifth sliding track groove are provided with a synchronous horizontal track groove and a synchronous inclined track groove which is communicated with the synchronous horizontal track groove and inclines upwards, a synchronous part is arranged between the fixing part and the synchronous cover, a second sliding cavity is arranged at the top of the synchronous part downwards, a synchronous stop block is arranged in the second sliding cavity, a synchronous guide pin penetrates through the center of the synchronous stop block, the end part of the synchronous guide pin penetrates through the second sliding cavity and then penetrates into the fourth sliding track groove and the fifth sliding track groove respectively so as to limit the vertical movement range of the synchronous stop block, and the synchronous stop block can be inserted downwards into the positioning clamp groove at the end part of the first trigger part in the linear movement process of the synchronous part.

6. The rebounding mechanism with synchronous start and stop function according to claim 5, wherein a synchronous gear piece is penetrated on the side surface of the synchronous cover, the end part of the synchronous gear piece is in meshed transmission with the lower rack structure of the synchronous piece, and the other end of the synchronous gear piece is connected with the synchronous rod in an inserted manner through a synchronous rod connecting piece.

7. The rebounding mechanism with synchronous start and stop function according to claim 6, wherein a positioning through hole is formed in a side wall of the synchronous rod connecting piece, an elastic block is arranged on the surface of the synchronous gear piece and can be elastically clamped into the positioning through hole, and a spring is arranged in a position where the synchronous gear piece and the synchronous rod connecting piece are mutually sleeved.

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