Buffering rebounding device for drawer sliding rail

Abstract

The utility model relates to the technical field of furniture accessories, and provides a buffer rebounding device for a drawer slide rail, which comprises a shell and a sliding piece which are arranged between a fixed rail and a movable rail, the sliding piece is elastically and movably arranged on the shell, and a first movable component and a second movable component are arranged on the sliding piece; the first movable assembly and the second movable assembly are arranged in a split mode and are movably arranged on the sliding piece. One end of the first movable assembly is elastically connected with the sliding piece, and the other end is elastically connected with the second movable assembly; when the buffering rebounding device is in a non-pressing state and the movable rail is forcibly pulled out, the second movable assembly moves along with the movable rail and is in an elastic separation state with the first movable assembly, the first spring is in a stretching state, the sliding piece moves to the corresponding position along with the second movable assembly, the movable rail is prevented from being forcibly pulled out, and the movable rail smoothly crosses the sliding piece. And no abnormal sound is generated in the forcible pulling-out process of the movable rail.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of furniture accessories, and particularly relates to a buffer rebounder for a drawer slide rail. BACKGROUND

[0002] The existing press rebound type drawer slide rail triggers the buffer rebounder to automatically pop out the drawer after pushing the drawer inward by a distance through pressing, but since some users do not know or are not familiar with the built-in buffer rebounder in the drawer, improper operation by the user may cause the rebounder to be damaged and fail when the drawer is forcibly pulled open.

[0003] Therefore, some buffer rebounders need to be provided with a strong pulling protection mechanism to prevent damage to the buffer rebounder. The existing buffer rebounder needs to be additionally provided with a protection mechanism, or a deformation mechanism is provided, but the deformation mechanism is prone to deformation in the long-term strong pulling state of the buffer rebounder, which may cause the deformation mechanism to fail, and the deformation mechanism forms elastic extrusion during the strong pulling process, so that the dynamic rail has a jamming feeling when it is forcibly pulled out, and the deformation mechanism resets after the dynamic rail is pulled out.

[0004] Chinese Patent No. ZL 202010569491.7 discloses a press rebounder strong pulling protection mechanism installed on a sliding groove seat of the press rebounder, comprising a stopper and an elastic member, the sliding groove seat is provided with a mounting groove at the closed groove position of the rotating hook sliding groove, the stopper is installed in the mounting groove, and the upper surface of the stopper surrounds the closed groove position of the rotating hook sliding groove, the sliding groove seat is provided with a transition sliding groove below the closed groove position and guiding the rebound sliding groove of the rotating hook sliding groove, and the elastic member is arranged between the sliding groove seat and the stopper, so that the stopper is kept at the closed groove position under normal circumstances, and the stopper is moved away to connect the closed groove position and the transition sliding groove when strong pulling operation occurs. The buffer rebounder strong pulling protection mechanism needs to be additionally provided with a protection mechanism, and the protection mechanism is arranged below the sliding groove seat, which increases the overall height of the buffer rebounder. The buffer rebounder is installed between the dynamic rail and the fixed rail, and the thickness thereof should not be too thick. UTILITY MODEL CONTENTS

[0005] The utility model provides a buffer rebounder for drawer slide rail, through being provided with split first movable assembly and second movable assembly, first movable assembly and second movable assembly are elastically connected, when buffer rebounder is in non-pressing open state (strong pulling state), dynamic rail pulls second movable assembly and forcibly moves on sliding part, sliding part and first movable assembly are all in standby state at this moment, and the dynamic rail is moved to open on the fixed rail after unlocking the second sliding assembly and passing the sliding part, in the whole process, only the second movable assembly is elastically stretched through a spring, so that the problem that the rebounder is damaged and fails when the drawer is forcibly pulled open is solved.

[0006] A buffer rebounder for a drawer slide designed for this purpose comprises a housing and a sliding member arranged between a fixed rail and a movable rail. The sliding member is elastically arranged on the housing.

[0007] The sliding member is provided with a first movable component and a second movable component; the first movable component and the second movable component are separately provided and movably provided on the sliding member; one end of the first movable component is elastically connected to the sliding member, and the other end of the first movable component is elastically connected to the second movable component;

[0008] The buffer rebounder is in a normally closed state, the movable rail is closed on the fixed rail and is locked with the second movable component;

[0009] The buffer rebounder is in a pressed-open state, and the first movable assembly, the second movable assembly and the movable rail move in the opening direction under the action of elasticity, and the movable rail and the second movable assembly move to the corresponding opening position and are unlocked. After the movable rail is elastically opened, the movable rail moves in the opening direction and drives the sliding member to move and open on the housing; when the movable rail is closed, the second movable assembly, the first movable assembly and the sliding member are reset respectively;

[0010] The buffer rebounder is in a non-pressed open state, the sliding member and the first movable component are both in a pending position, the movable rail drives the second movable component elastically away from the first movable component along the opening direction, and the movable rail and the second movable component are unlocked and pass over the sliding member and open on the fixed rail. When the movable rail is closed, the sliding member elastically buffers and resets, and the second movable component resets.

[0011] The sliding member is provided with a track groove, and the track groove is provided with an open stop position;

[0012] A first spring is provided between the first movable assembly and the second movable assembly, and a second spring is provided between the first movable assembly and the sliding member;

[0013] When the buffer rebounder is in the state of being pressed to open, the second spring releases its elastic force to drive the first movable component, the second movable component and the movable rail to move, the second movable component moves to the open stop position and unlocks the movable rail, and after the movable rail elastically opens, the movable rail moves in the opening direction and acts on the sliding member;

[0014] When the buffer rebounder is in a non-pressed open state, the movable rail drives the second movable component to move along the opening direction and stretch the first spring. The second movable component moves to the open stop position and unlocks the movable rail. When the movable rail is opened and then closed, the second movable component engages the movable rail and resets with the first spring.

[0015] The first movable assembly is provided with a first latch that cooperates with the track groove, the second movable assembly is provided with a second latch that cooperates with the track groove, and the track groove is provided with a closed stop position;

[0016] The movable rail is closed on the fixed rail and is engaged with the second bayonet of the second movable assembly;

[0017] The buffer rebounder is in a normally closed state and a non-pressed open state, and the first latch of the first movable component is positioned in a closed stop position;

[0018] The track groove includes a connected opening guide groove and a closing guide groove;

[0019] The housing is provided with a stopper corresponding to the closed stop position. When the buffer rebounder is in the pressed-open state, the first latch of the first movable assembly moves in the direction of the closed stop position to the stopper during the elastic opening process of the movable rail. The first latch is then moved into the opening guide groove under the action of the stopper. (Since the buffer rebounder is in the pressed-open state, the first movable assembly first moves in the direction of the extrusion spring, causing the first latch of the first movable assembly to contact the stopper. Subsequently, the first latch is moved into the opening guide groove under the action of the guide slope of the stopper.)

[0020] The first movable component includes a first slider and a first pendulum block; the first pendulum block is rotatably connected to the first slider, the first slider is slidably set on the sliding member, and the first pendulum block is provided with a first latch acting on the sliding member track groove.

[0021] The second movable assembly includes a second slider and a second pendulum block, the second pendulum block is rotatably connected to the second slider, and the second slider is slidably arranged on the sliding member;

[0022] The second swing block is provided with a second latch, and the movable rail is provided with a locking groove. The second latch is locked in the locking groove, and the movable rail and the second swing block are in a locked state.

[0023] The buffer rebounder is in a pressed open state and a non-pressed open state, the second swing block moves along the opening direction of the movable rail to the open stop position, and the second latch is positioned at the open stop position.

[0024] The locking groove is provided with a guide surface, which is a guide arc surface or a guide inclined surface;

[0025] When the buffer rebounder is in a normally closed state and a non-pressed open state, the second latch of the second pendulum block follows the movement of the movable rail and is disengaged from or guided into the lock slot along the guide surface.

[0026] The sliding member is provided with a third pendulum block;

[0027] The movable rail is provided with an opening member and a closing member corresponding to the guide pin;

[0028] The buffer rebounder is in a pressing open state, and after the moving rail moves along the elastic opening direction and is unlocked from the second movable assembly, the opening acting part moves along the opening direction with the moving rail and acts on the guide pin of the sliding part, so that the moving rail drives the sliding part to move and open on the shell; when the moving rail is closed, the closing acting part acts on the guide pin, so that the sliding part moves along the closing direction, and the sliding part moves to the corresponding position and is elastically buffered and reset.

[0029] The shell is provided with a limiting slot, the limiting slot is provided with an opening stay position, and the third swing block is provided with a limiting pin limiting on the limiting slot.

[0030] The buffer rebounder is in a pressing open state, and after the moving rail moves along the elastic opening direction and is unlocked from the second movable assembly, the opening acting part moves along the opening direction with the moving rail and acts on the guide pin of the sliding part, so that the moving rail drives the sliding part to move and open on the shell; when the moving rail is closed, the closing acting part acts on the guide pin, so that the sliding part moves along the closing direction, and the sliding part moves to the corresponding position and is elastically buffered and reset.

[0031] The shell is provided with a first spring slot for mounting the first spring and a second spring slot for mounting the second spring, the first spring slot and the second spring slot are adjacently arranged, the second spring slot is communicated with the limiting slot, the first movable assembly and the second movable assembly are elastically connected through the first spring, and the first movable assembly and the sliding part are elastically connected through the second spring.

[0032] When the buffer rebounder is in a non-pressing open state, the moving rail drives the second movable assembly to separate from the first movable assembly along the opening direction, the first spring is stretched, the moving rail drives the second movable assembly to move along the opening direction and drive the sliding part to open on the shell, or after the moving rail moves to the position where the second movable assembly separates from the moving rail, the moving rail continues to move along the opening direction and drives the sliding part to open on the shell.

[0033] During the opening of the sliding part on the shell, the limiting pin of the sliding part moves along the limiting slot, the third spring is in a stretched state, and the limiting pin is finally positioned at the opening stay position.

[0034] The third swing block is swingably arranged on the sliding part, the limiting slot is provided with an elastic pushing block and an elastic deformation avoiding slot for elastic deformation of the elastic pushing block.

[0035] The shell is provided with a buffer, the sliding part is provided with a buffer acting part, and the shell and the sliding part are provided with a third spring, the buffer acting part acts on the buffer during the closing process of the buffer rebounder, and the third spring is compressed, so that the sliding part is elastically buffered and reset.

[0036] The beneficial technical effects of the utility model are as follows:

[0037] By setting the first movable assembly and the second movable assembly, the first movable assembly and the second movable assembly are elastically connected, when the buffer rebounder is in a non-pressing open state (strong pulling state), the moving rail pulls the second movable assembly to forcibly move on the sliding piece, at this time, the sliding piece and the first movable assembly are in a standby state, and the moving rail is unlocked from the second sliding assembly and passes through the sliding piece to open on the fixed rail after being moved to a distance, in the whole process, the second movable assembly is elastically stretched through a spring, so that the internal parts of the buffer rebounder are prevented from being deformed too much, the problem that the buffer rebounder is damaged and fails due to forcibly pulling open the drawer is solved, no additional deformation protection mechanism is needed, user experience is improved, and in addition, the second movable assembly is arranged separately from the first movable assembly in the space of the movement track of the first movable assembly, so that the overall thickness of the buffer rebounder is not increased.

[0038] When the buffer rebounder is in a non-pressing state, the second movable assembly moves with the moving rail to be elastically separated from the first movable assembly, the first spring is in a stretched state, and the sliding piece can move to a corresponding position (the moving rail drives the second movable assembly to move in an opening direction to drive the sliding piece to open on the shell) along with the second movable assembly, so that the moving rail can be avoided to be forcibly pulled out, the moving rail smoothly passes through the sliding piece, no abnormal sound is generated during the process that the moving rail is forcibly pulled out, and when the moving rail is closed, the second movable assembly is re-engaged with the moving rail, the second movable assembly and the first spring are reset, and the sliding piece is elastically buffered and reset when being pushed to a corresponding position by the moving rail. The buffer rebounder is smooth in use, no abnormal sound is generated in the pressing use state and the non-pressing use state, and is durable. BRIEF DESCRIPTION OF DRAWINGS

[0039] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0040] Figure 1 It is a three-dimensional structure schematic view of the buffer rebounder of an embodiment of the utility model.

[0041] Figure 2 It is an assembly exploded structure schematic view of the buffer rebounder of an embodiment of the utility model.

[0042] Figure 3 It is another assembly exploded structure schematic view of the buffer rebounder of an embodiment of the utility model.

[0043] Figure 4 It is a three-dimensional structure schematic view of the sliding piece of an embodiment of the utility model.

[0044] Figure 5 It is a planar structure schematic view of the sliding piece of an embodiment of the utility model.

[0045] Figure 6It is the connection structure schematic view between the first movable assembly and the second movable assembly of one embodiment of the utility model.

[0046] Figure 7 It is another orientation connection structure schematic view between the first movable assembly and the second movable assembly of one embodiment of the utility model.

[0047] Figure 8 It is the three-dimensional structure schematic view of the movable rail of one embodiment of the utility model.

[0048] Figure 9 It is the structure schematic view of the shell of one embodiment of the utility model being provided with two spring grooves.

[0049] Figure 10 It is the structure schematic view of the buffer rebounder of one embodiment of the utility model being in normal closed state.

[0050] Figure 11 It is the structure schematic view of the buffer rebounder of one embodiment of the utility model being in pressed open state.

[0051] Figure 12 It is the structure schematic view of the buffer rebounder of one embodiment of the utility model being in non-pressed open state.

[0052] Figure 13 It is the structure schematic view of the elastic deformation avoidance groove of the buffer rebounder of one embodiment of the utility model. DETAILED DESCRIPTION

[0053] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. In order to make the above purposes, characteristics and advantages of the application more obvious and easy to understand, many specific details are described in the following description to facilitate the full understanding of the application. However, the application can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the application, therefore, the application is not limited by the specific embodiments disclosed below.

[0054] Referring to Figures 1-13 A buffer rebounder for drawer slide rail, comprising a shell 1 and a sliding piece 2 arranged between a fixed rail and a movable rail 5, the sliding piece 2 is elastically arranged on the shell 1,

[0055] The sliding piece 2 is provided with a first movable assembly 3 and a second movable assembly 4; the first movable assembly 3 and the second movable assembly 4 are arranged in a split type and movably arranged on the sliding piece 2; one end of the first movable assembly 3 is elastically connected with the sliding piece 2, and the other end of the first movable assembly 3 is elastically connected with the second movable assembly 4;

[0056] The buffer rebounder is in the normal closed state, the moving rail 5 is closed on the fixed rail and is locked with the second movable assembly 4;

[0057] The buffer rebounder is in the pressed open state, the first movable assembly 3, the second movable assembly 4 and the moving rail 5 move in the opening direction under the elastic action, the moving rail 5 and the second movable assembly 4 are moved to the corresponding opening position and are unlocked, the moving rail 5 is elastically opened, the moving rail 5 moves in the opening direction and drives the sliding piece 2 to move and open on the shell 1; when the moving rail 5 is closed, the second movable assembly 4, the first movable assembly 3 and the sliding piece 2 are reset respectively;

[0058] The buffer rebounder is in the non-pressed open state, the sliding piece 2 and the first movable assembly 3 are in the standby position, the moving rail 5 drives the second movable assembly 4 to elastically move away from the first movable assembly 3 in the opening direction, the moving rail 5 and the second movable assembly 4 are unlocked and pass through the sliding piece 2 and open on the fixed rail, when the moving rail 5 is closed, the sliding piece 2 is elastically buffered and reset, and the second movable assembly 4 is reset.

[0059] In the embodiment, the shell 1 is detachably mounted on the fixed rail by buckling, and the sliding piece 2 is elastically connected with the shell 1.

[0060] The sliding piece 2 is provided with a track groove 6, and the track groove 6 is provided with an opening and staying position 7;

[0061] The first movable assembly 3 and the second movable assembly 4 are provided with a first spring 10, and the first movable assembly 3 and the sliding piece 2 are provided with a second spring 12;

[0062] When the buffer rebounder is in the pressed open state, the second spring 12 releases the elastic force to drive the first movable assembly 3, the second movable assembly 4 and the moving rail 5 to move, the second movable assembly 4 moves to the opening and staying position 7 and is unlocked with the moving rail 5, and after the moving rail 5 is elastically opened, the moving rail 5 moves in the opening direction and acts on the sliding piece 2;

[0063] When the buffer rebounder is in the non-pressed open state, the moving rail 5 drives the second movable assembly 4 to move in the opening direction and stretches the first spring 10, the second movable assembly 4 moves to the opening and staying position 7 and is unlocked with the moving rail 5, and after the moving rail 5 is opened and closed, the second movable assembly 4 locks the moving rail 5 and resets with the first spring 10.

[0064] In the embodiment, the track groove 6 includes a connected opening guide groove and a closing guide groove, the buffer rebounder is in the pressed open state and the non-pressed open state, the second movable assembly 4 moves along the opening guide groove, the second movable assembly 4 locks the moving rail 5, and when the moving rail 5 moves in the closing direction, the second movable assembly 4 moves along the closing guide groove.

[0065] The first movable component 3 is provided with a first catch 9 matched with the track groove 6, and the second movable component 4 is provided with a second catch 11 matched with the track groove 6; the track groove 6 is provided with a closing and staying position 8;

[0066] The movable rail 5 is closed on the fixed rail and buckled with the second catch 11 of the second movable component 4;

[0067] The buffer rebounder is in the normal closing state and the non-pressing opening state, and the first catch 9 of the first movable component 3 is positioned on the closing and staying position 8;

[0068] In the embodiment, when the buffer rebounder is in the pressing opening state, the first movable component 3 and the second movable component 4 move synchronously under the elastic connection, and when the buffer rebounder is in the non-pressing opening state, the second movable component 4 is elastically separated from the first movable component 3 under the strong pulling action of the movable rail 5, so as to avoid damaging the buffer rebounder under the strong pulling action.

[0069] The track groove 6 comprises a connected opening guide groove and a closing guide groove;

[0070] The shell 1 is provided with a stop block 29 corresponding to the closing and staying position 8, and when the buffer rebounder is in the pressing opening state, the first catch 9 of the first movable component 3 moves to the stop block 29 in the direction of the closing and staying position 8 during the elastic opening of the movable rail 5, and the first catch 9 moves to the opening guide groove under the action of the stop block 29.

[0071] In the embodiment, the stop block 29 is provided with an inclined surface, and when the first catch 9 of the first movable component 3 moves to the stop block 29 in the direction of the closing and staying position 8 during the elastic opening of the movable rail 5, the first catch 9 drives the first swing block 14 of the first movable component 3 to swing directionally along the inclined surface of the stop block 29, the first catch 9 of the first movable component 3 moves along the opening guide groove, the first slider 13 of the first movable component 3 slides on the sliding member 2, and the opening is realized.

[0072] In the embodiment, the closing and staying position 8 is provided with a guide arc surface corresponding to the closing guide groove.

[0073] When the movable rail 5 is closed, the first catch 9 of the first movable component 3 moves along the closing guide groove, and when the first catch 9 moves to the position between the closing and staying position 8 and the stop block 29, the first catch 9 reaches the closing and staying position 8 under the action of the guide arc surface of the closing and staying position 8.

[0074] The first movable component 3 comprises a first slider 13 and a first swing block 14; the first swing block 14 is rotationally connected with the first slider 13, the first slider 13 is slidably arranged on the sliding member 2, and the first swing block 14 is provided with the first catch 9 acting on the track groove 6 of the sliding member 2.

[0075] The second movable component 4 comprises a second slider 15 and a second swing block 16, the second swing block 16 is rotationally connected with the second slider 15, and the second slider 15 is slidingly arranged on the sliding member 2;

[0076] The second swing block 16 is provided with a second locking pin 11, the moving rail 5 is provided with a locking groove 17, the second locking pin 11 is locked and positioned on the locking groove 17, and the moving rail 5 and the second swing block 16 are in a locked state;

[0077] In the embodiment, the sliding member 2 is provided with two left and right spaced apart locking grooves, the first slider 13 and the second slider 15 are respectively embedded in the locking grooves, and the first slider 13 and the second slider 15 slide along the locking grooves of the sliding member 2 when sliding.

[0078] In the embodiment, the first slider 13 is provided with a first swing shaft, the first swing block 14 is provided with a first shaft hole, the first swing shaft is connected with the first shaft hole, and the first swing block 14 is rotationally connected with the first slider 13, so that when the first locking pin 9 of the first movable component 3 moves along the track groove 6 of the sliding member 2, the first slider 13 moves linearly, and the first swing block 14 can swing in the sliding member 2.

[0079] In the embodiment, the second slider 15 is provided with a second swing shaft, the second swing block 16 is provided with a second shaft hole, the second swing shaft is connected with the second shaft hole, and the second swing block 16 is rotationally connected with the second slider 15, so that when the second locking pin 11 of the second movable component 4 moves along the track groove 6 of the sliding member 2, the second slider 15 moves linearly, and the second swing block 16 can swing in the sliding member 2.

[0080] The buffer rebounder is in a pressed open state and a non-pressed open state, the second swing block 16 moves to an open rest position 7 in an opening direction of the moving rail 5, and the second locking pin 11 is positioned on the open rest position 7.

[0081] The second locking pin 11 enters the open rest position 7 through the swing of the second swing block 16.

[0082] The locking groove 17 is provided with a guide surface 18, and the guide surface 18 is a guide arc surface or a guide inclined surface;

[0083] The buffer rebounder is in a normal closed state and a non-pressed open state, the second locking pin 11 of the second swing block 16 is separated from or introduced into the locking groove 17 along the guide surface 18 with the movement of the moving rail 5.

[0084] The sliding member 2 is provided with a third swing block 19;

[0085] The sliding member 2 is provided with a groove 32, the groove 32 is provided with a third swing shaft, the third swing block 19 is provided with a third shaft hole, the sliding member 2 is provided with an arc-shaped groove 33, the third shaft hole is connected with the third swing shaft, the guide pin 20 is inserted into the arc-shaped groove 33, when the third swing block 19 swings, the guide pin 20 is limited to swing on the arc-shaped groove 33.

[0086] The moving rail 5 is provided with an opening action member 21 and a closing action member 28 corresponding to the guide pin 20;

[0087] When the buffer rebounder is in the pressing open state, the moving rail 5 moves along the elastic opening direction and is unlocked with the second movable assembly 4, the opening action member 21 moves along the opening direction with the moving rail 5 and acts on the guide pin 20 of the sliding member 2, so that the moving rail 5 drives the sliding member 2 to move and open on the shell 1; when the moving rail 5 is closed, the closing action member 28 acts on the guide pin 20, so as to drive the sliding member 2 to move along the closing direction, and the sliding member 2 moves to the corresponding position and is elastically buffered and reset.

[0088] The shell 1 is provided with a limiting groove 24, the limiting groove 24 is provided with an opening stop position 30, and the third swing block 19 is provided with a limiting pin 22 which is limited in the limiting groove 24;

[0089] When the buffer rebounder is in the pressing open state, the moving rail 5 is elastically opened, the moving rail 5 drives the sliding member 2 to move along the opening direction, the limiting pin 22 of the third swing block 19 moves along the limiting groove 24, and the limiting pin 22 is finally positioned on the opening stop position 30, so that the sliding member 2 is positioned and opened on the shell 1;

[0090] The shell 1 is provided with a first spring groove for installing the first spring 10 and a second spring groove for installing the second spring 12, the first spring groove and the second spring groove are adjacent, the second spring groove is communicated with the limiting groove 24, the first movable assembly 3 and the second movable assembly 4 are elastically connected through the first spring 10, and the first movable assembly 3 and the sliding member 2 are elastically connected through the second spring 12;

[0091] In the embodiment, the first spring groove and the second spring groove are adjacent, and the whole buffer rebounder structure is compact. The first sliding block 13 and the second sliding block 15 are elastically connected through the first spring 10.

[0092] The first sliding block 13 and the sliding member 2 are elastically connected through the second spring 12.

[0093] The buffer rebounder is in a non-pressing open state, the movable rail 5 drives the second movable assembly 4 to separate from the first movable assembly 3 in an opening direction, the first spring 10 is stretched, the movable rail 5 drives the second movable assembly 4 to move in the opening direction to drive the sliding piece 2 to open on the shell, or the movable rail 5 continues to move in the opening direction to drive the sliding piece 2 to open on the shell after the second movable assembly 4 separates from the movable rail 5.

[0094] During the opening of the sliding piece 2 on the shell 1, the limiting pin 22 of the sliding piece 2 moves along the limiting groove 24, the third spring 31 is in a stretched state, and the limiting pin 22 is finally positioned in the opening stop position 30.

[0095] The limiting pin 22 enters the opening stop position 30 under the swing of the third swing block 19.

[0096] The third swing block 19 is arranged on the sliding piece 2, the limiting groove 24 is provided with an elastic pushing block 23 and an elastic deformation avoiding groove 25 for elastic deformation of the elastic pushing block 23.

[0097] The shell 1 is provided with a buffer 26, the sliding piece 2 is provided with a buffer action part 27, and the third spring 31 is arranged between the shell 1 and the sliding piece 2, the buffer action part 27 acts on the buffer 26 in the closing process of the buffer rebounder, and the third spring 31 is compressed, so that the sliding piece 2 is elastically buffered and reset.

[0098] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0099] In the above description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0100] In addition, the terms "first", "second", and the like, if any, are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or identifying the number of the indicated technical features. Thus, a feature limited to "first" or "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "a plurality of" appears, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0101] In the above description of the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be interpreted broadly. For example, it can be fixedly connected by screws, rivets or welding, or it can be detachably connected, or it can be integrally formed by metal processing (die casting, deep drawing stamping, lathe machining, etc.), or it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication or interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0102] In the above description of the present application, unless otherwise explicitly specified and limited, if the first feature is described as "on" or "under" the second feature, etc., it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the second feature, or it can only mean that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the second feature, or it can only mean that the first feature is lower than the second feature in horizontal height.

[0103] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

Claims

1. A buffer rebounder for a drawer slide, comprising a housing (1) and a sliding member (2) arranged between a fixed rail and a movable rail (5), wherein the sliding member (2) is elastically movable on the housing (1), and is characterized in that: The sliding member (2) is provided with a first movable component (3) and a second movable component (4); the first movable component (3) and the second movable component (4) are arranged in a split type and are movably arranged on the sliding member (2); one end of the first movable component (3) is elastically connected to the sliding member (2), and the other end of the first movable component (3) is elastically connected to the second movable component (4); When the buffer rebounder is in a normally closed state, the movable rail (5) is closed on the fixed rail and is locked with the second movable component (4); The buffer rebounder is in a pressed-open state, the first movable component (3), the second movable component (4) and the movable rail (5) move in the opening direction under the elastic action, the movable rail (5) and the second movable component (4) move to the corresponding opening position and release the lock, the movable rail (5) elastically opens, the movable rail (5) moves in the opening direction and drives the sliding member (2) to move and open on the housing (1); when the movable rail (5) is closed, the second movable component (4), the first movable component (3) and the sliding member (2) are reset respectively; The buffer rebounder is in a non-pressed open state, the sliding member (2) and the first movable component (3) are both in a pending position, the movable rail (5) drives the second movable component (4) elastically away from the first movable component (3) along the opening direction, and the movable rail (5) and the second movable component (4) are unlocked and pass over the sliding member (2) and open on the fixed rail. When the movable rail (5) is closed, the sliding member (2) elastically buffers and resets, and the second movable component (4) resets.

2. The shock absorber for a drawer slide rail according to claim 1, wherein: The sliding member (2) is provided with a track groove (6), and the track groove (6) is provided with an open stop position (7); A first spring (10) is provided between the first movable component (3) and the second movable component (4), and a second spring (12) is provided between the first movable component (3) and the sliding member (2); When the buffer rebounder is in the state of being pressed to open, the second spring (12) releases elastic force to drive the first movable component (3), the second movable component (4) and the movable rail (5) to move, the second movable component (4) moves to the open stop position (7) and is unlocked from the movable rail (5), and after the movable rail (5) is elastically opened, the movable rail (5) moves in the opening direction and acts on the sliding member (2); When the buffer rebounder is in a non-pressed opening state, the movable rail (5) drives the second movable component (4) to move in the opening direction and stretches the first spring (10), and the second movable component (4) moves to the open stop position (7) and unlocks the movable rail (5). When the movable rail (5) is opened and then closed, the second movable component (4) engages the movable rail (5) and resets with the first spring (10).

3. The bump stop for a drawer slide rail according to claim 2, wherein: The first movable component (3) is provided with a first latch (9) that cooperates with the track groove (6), the second movable component (4) is provided with a second latch (11) that cooperates with the track groove (6), and the track groove (6) is provided with a closed stop position (8); The movable rail (5) is closed on the fixed rail and buckled with the second clasp (11) of the second movable assembly (4); The buffer rebounder is in the normal closed state and the non-pressed open state, and the first clasp (9) of the first movable assembly (3) is positioned on the closed stop position (8); The track groove (6) comprises a connected opening guide groove and a closing guide groove; The shell (1) is provided with a stop block (29) corresponding to the closed stop position (8), and when the buffer rebounder is in the pressed open state, the first clasp (9) of the first movable assembly (3) moves to the stop block (29) in the direction of the closed stop position (8) during the elastic opening of the movable rail (5), and the first clasp (9) moves to the opening guide groove under the action of the stop block (29).

4. The bump stop for drawer slides of claim 2 wherein: The first movable assembly (3) comprises a first sliding block (13) and a first swing block (14); the first swing block (14) is rotationally connected with the first sliding block (13), the first sliding block (13) is slidingly arranged on the sliding member (2), and the first swing block (14) is provided with the first clasp (9) acting on the track groove (6) of the sliding member (2).

5. The bump stop for drawer slides of claim 2 wherein: The second movable assembly (4) comprises a second sliding block (15) and a second swing block (16), the second swing block (16) is rotationally connected with the second sliding block (15), and the second sliding block (15) is slidingly arranged on the sliding member (2); The second swing block (16) is provided with the second clasp (11), the movable rail (5) is provided with a locking groove (17), the second clasp (11) is clamped and positioned in the locking groove (17), and the movable rail (5) and the second swing block (16) are in a locked state; The buffer rebounder is in the pressed open state and the non-pressed open state, the second swing block (16) moves to the open stop position (7) in the opening direction of the movable rail (5), and the second clasp (11) is positioned on the open stop position (7).

6. The bump stop for a drawer slide rail according to claim 5, wherein: The locking groove (17) is provided with a guide surface (18), and the guide surface (18) is a guide arc surface or a guide inclined surface; The buffer rebounder is in the normal closed state and the non-pressed open state, and the second clasp (11) of the second swing block (16) is separated from or introduced into the locking groove (17) along the guide surface (18) with the movement of the movable rail (5).

7. The bump stop for drawer slides of claim 1 wherein: The sliding member (2) is provided with a third swing block (19); The movable rail (5) is provided with an opening acting member (21) and a closing acting member (28) corresponding to the guide pin (20); When the buffer rebounder is in the pressed open state, the movable rail (5) moves in the elastic opening direction and is unlocked with the second movable assembly (4), the opening acting member (21) moves along the opening direction with the movable rail (5) and acts on the guide pin (20) of the sliding member (2), so that the movable rail (5) drives the sliding member (2) to move and open on the shell (1); When the movable rail (5) is closed, the closing acting member (28) acts on the guide pin (20) to drive the sliding member (2) to move in the closing direction, and the sliding member (2) moves to the corresponding position and is elastically buffered and reset.

8. The bump stop for a drawer slide rail according to claim 7, wherein: The shell (1) is provided with a limiting groove (24), the limiting groove (24) is provided with an opening and staying position (30), the third swing block (19) is provided with a limiting pin (22) limiting in the limiting groove (24); The buffer rebounder is in the pressing open state, the movable rail (5) is elastically opened, the movable rail (5) drives the sliding piece (2) to move along the opening direction, the limiting pin (22) of the third swing block (19) moves along the limiting groove (24), and the limiting pin (22) is finally positioned on the opening and staying position (30), so that the sliding piece (2) is positioned and opened on the shell (1); The shell (1) is provided with a first spring groove for mounting the first spring (10) and a second spring groove for mounting the second spring (12), the first spring groove and the second spring groove are adjacent, the second spring groove is communicated with the limiting groove (24), the first movable assembly (3) and the second movable assembly (4) are elastically connected through the first spring (10), and the first movable assembly (3) and the sliding piece (2) are elastically connected through the second spring (12); When the buffer rebounder is in the non-pressing open state, the movable rail (5) drives the second movable assembly (4) to separate from the first movable assembly (3) along the opening direction, the first spring (10) is stretched, the movable rail (5) drives the second movable assembly (4) to move along the opening direction and drives the sliding piece (2) to open on the shell, or the movable rail (5) is separated from the second movable assembly (4), the movable rail (5) continues to move along the opening direction and drives the sliding piece (2) to open on the shell.

9. The bump stop for a drawer slide rail according to claim 8, wherein: The third swing block (19) is swingingly arranged on the sliding piece (2), the limiting groove (24) is provided with an elastic driving block (23) and an elastic deformation avoiding groove (25) for elastic deformation of the elastic driving block (23).

10. The bump stop for a drawer slide rail according to claim 1, wherein: The shell (1) is provided with a buffer (26), the sliding piece (2) is provided with a buffer action part (27), the shell (1) and the sliding piece (2) are provided with a third spring (31), the buffer rebounder is in the closing process, the buffer action part (27) acts on the buffer (26), and the third spring (31) is compressed, so that the sliding piece (2) is elastically buffered and reset.

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