CN109757884B - Pushing and bouncing structure for drawer slide rail - Google Patents
Pushing and bouncing structure for drawer slide rail Download PDFInfo
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- CN109757884B CN109757884B CN201910085913.0A CN201910085913A CN109757884B CN 109757884 B CN109757884 B CN 109757884B CN 201910085913 A CN201910085913 A CN 201910085913A CN 109757884 B CN109757884 B CN 109757884B
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- 230000008859 change Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
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- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The invention provides a push-spring structure for a drawer slide rail, which can effectively reduce the possibility of failure state of the push-spring structure, ensure normal use of the drawer, and prolong the service life of the drawer.
Description
Technical Field
The invention relates to the technical field of drawer slide rails, in particular to a push-spring structure for a drawer slide rail.
Background
In order to enable the drawer to be pushed and pulled smoothly, a drawer sliding rail is usually arranged between the drawer and the cabinet body, and in order to facilitate the opening and closing of the drawer without the handle, the drawer sliding rail is also provided with a push-spring structure. The push-and-spring structure is generally arranged between a fixed rail and a sliding rail of the drawer slide rail, the fixed rail is arranged on the inner side wall of the cabinet body, the sliding rail is arranged on the outer side wall of the drawer, a user can unlock the push-and-spring structure by pressing the front plate surface of the pull-free drawer, so that the drawer can be popped out and opened, and when the user pushes the drawer into the cabinet body, the self-locking function of the push-and-spring structure plays a role in locking the drawer in the cabinet body, so that the drawer is closed.
When the two states of unlocking and self-locking are changed, the locking plate in the push-and-spring structure moves in a anticlockwise lower semi-annular mode and an anticlockwise upper semi-annular mode along the switch channel respectively, namely, the process from self locking to unlocking is completed once, the locking plate completes a anticlockwise loop motion in the switch channel, the locking plate is easy to reversely move when a user applies an improper force in the drawer opening and closing process, namely, the locking plate moves clockwise, so that the drawer cannot be opened and closed once, the self locking or unlocking effect is invalid, the use is influenced, and the service life of the drawer is reduced.
Disclosure of Invention
Aiming at the defects that the prior push-and-spring structure is easy to unlock or fail in self-locking function, thereby influencing the use and reducing the service life of the drawer, the invention provides the push-and-spring structure for the drawer slide rail, which can effectively reduce the possibility of the failure state of the push-and-spring structure, ensure the normal use of the drawer and further prolong the service life of the drawer.
The invention adopts the following technical scheme: the sliding rail comprises a locking plate, a guide plate, a shifting plate arranged on a sliding rail and a base body arranged on a fixed rail, wherein the locking plate and the guide plate synchronously slide through a linkage plate, the base body is provided with a sliding groove along the length direction of the base body towards one side of the sliding rail, the locking plate and the guide plate slide through the sliding groove and the base body in a clamping manner, the sliding groove comprises a switch channel, a linear groove and a rotating groove which are sequentially connected, springs parallel to the linear groove are respectively arranged on two sides of the base body, two ends of each spring are respectively connected with the linkage plate and the base body, and the shifting plate is matched with the guide plate in a shifting manner, and the sliding rail is characterized in that: along the anticlockwise annular motion track of the locking plate, the switch channel is provided with at least two shovel blade-shaped limiting plates, and the directions of the knife edges of the shovel blade-shaped limiting plates are opposite to the motion direction of the locking plate.
It is further characterized by:
the switch channel comprises an opening channel, a locking groove and a closing channel, wherein a trapezoidal stop block and a vertical hook-shaped locking block are arranged between the opening channel and the closing channel, the trapezoidal stop block and the vertical hook-shaped locking block are oppositely arranged and form the locking groove, one end of the opening channel is identical to one end of the closing channel and is communicated with the linear groove, the other end of the opening channel and the other end of the closing channel are respectively connected with the end part of one end of the base body and are separated by the trapezoidal stop block, and four shovel blade-shaped limiting plates are respectively positioned at the top of the vertical hook-shaped locking block, the bottom of the vertical hook-shaped locking block and the two ends of the locking groove;
the seat body is provided with a hollowed deformation ring which is communicated with the linear groove, the hollowed deformation ring is close to the arc-shaped rotating groove, the position of the hollowed deformation ring is adapted to the stop position of the guide piece in the self-locking state of the pushing and bouncing structure, and the hollowed deformation ring and the side wall of the linear groove form a left deformation arm and a right deformation arm of an inner hook at the communication position;
the rotating groove is positioned at the other end of the seat body and is an arc-shaped rotating groove, and the seat body is provided with a fixing hole beside the arc-shaped rotating groove;
the other surface of the base body is provided with a first clamping groove at the end part of the base body close to one end of the fixing hole, the first clamping groove is connected with an anti-collision piece, the other end of the base body is provided with a positioning column, and the base body is respectively provided with a second clamping groove at two sides of the fixing hole;
the locking plate comprises a first connecting plate, a locking column is arranged at the end part of one end of the first connecting plate, a rotating column is arranged at the other end of the first connecting plate, and the rotating column is in cross connection with the first connecting plate;
the guide piece comprises a second connecting plate, a sliding column and a shifting column are respectively arranged at two ends of the second connecting plate and are close to one end of the sliding column, the second connecting plate is provided with a rotating inclined plane, the inclination amplitude of the rotating inclined plane is matched with the rotating angle of the guide piece, the sliding column is horizontally connected with the second connecting plate in a T shape, the shifting column is connected with the second connecting plate in a cross shape, and the height of one end of the shifting column matched with the shifting plate in a shifting mode is matched with the linkage piece and the shifting plate;
the connecting piece is provided with a first groove and a second groove, the size of the first groove is matched with the movement track of the locking plate, the size of the second groove is matched with the guide piece, the shape of the second groove is matched with the rotation track of the guide piece, the connecting piece is provided with a first through hole matched with the rotating column in the first groove, the connecting piece is provided with a second through hole matched with the sliding column and an arc through groove matched with the shifting column in the second groove, the radian of the arc through groove is matched with the rotation amplitude of the guide piece, third clamping grooves are respectively arranged at two sides of the first groove and at the end parts of the connecting piece, one ends of two springs are respectively clamped into the second clamping grooves, and the other ends of the two springs are respectively clamped with the third clamping grooves;
one end of the poking piece is provided with a connecting hole, the other end of the poking piece is an open hook-shaped poking groove, and the bending part of the lower groove wall of the hook-shaped poking groove is in a right-angle trapezoid shape;
the seat body is a horizontal I-shaped seat body.
After the structure is adopted, the scraper knife-shaped limiting plate is arranged, and the displacement direction of the locking plate can be guided and limited by utilizing the slope surface formed by the change of the height from the knife edge to the knife back, so that the locking plate can only move according to a set path to prevent the locking plate from moving reversely, the possibility of failure state of the locking plate end of the push-elastic structure is effectively reduced, the normal use of the drawer is ensured, and the service life of the drawer is prolonged.
The guide piece in the self-locking state is provided with the hollowed-out deformation ring which is connected with the linear groove and forms the left deformation arm and the right deformation arm of the inner hook with the side wall of the linear groove, so that when the pulling column and the pulling piece are blocked and locked and the drawer cannot be opened, or the pulling piece is separated from the locking of the pulling column to cause the drawer to be opened and the push-and-spring structure is not unlocked, the elastic deformation generated by the movement of the inner hook end of the left deformation arm or the right deformation arm to the hollowed-out part of the hollowed-out deformation ring is realized, the self rescue of the guide piece end failure state of the push-and-spring structure is further ensured, and the service life of the drawer is prolonged.
Drawings
Fig. 1 is an exploded view of the present invention (a view of a structure including a side of a linkage plate facing a pulling plate and a view of a side of the pulling plate facing an outer side wall of a drawer).
Fig. 2 is an exploded view of another view of the present invention.
Fig. 3 is a schematic front view of a seat according to the present invention.
Fig. 4 is an enlarged view of fig. 3 a and a height variation of the blade-shaped limiting plate.
Fig. 5 is an enlarged schematic view at B in fig. 3.
Fig. 6 is a schematic front view of another view of the base of the present invention.
Fig. 7 is an enlarged schematic view at C in fig. 6.
FIG. 8 is a schematic view of the back structure of the base of the present invention.
Fig. 9 is a schematic view of the structure of the front and back sides of the locking tab of the present invention.
Fig. 10 is a schematic view of the structure of the front and back sides of the guide plate of the present invention.
Fig. 11 is a schematic structural view of a side of the linkage plate facing the seat body.
Fig. 12 is a schematic view of a structure of a dial facing a coupling plate according to the present invention.
Fig. 13 is a schematic view of the movement path of the locking tab and guide tab of the present invention.
Fig. 14 is a schematic view of a fully closed drawer rail according to an embodiment of the present invention.
Fig. 15 is an exploded view of a drawer slide according to an embodiment of the present invention.
Fig. 16 is a schematic structural view of a drawer slide in a stretched state according to an embodiment of the present invention.
Fig. 17 is a schematic diagram of the operation of the self-locking process, drawer closing, of the present invention.
Fig. 18 is a schematic diagram of the operation of the invention with the drawer open during the unlocking process.
Detailed Description
The invention is further described below with reference to the drawings by taking three drawer slides as an example:
as shown in fig. 1-18, the invention provides a push-and-pull structure for a drawer slide rail, which comprises a lock plate 3, a guide plate 6, a pulling plate 5 arranged on a sliding rail 41 and a seat body 1 arranged on a fixed rail 40, wherein the lock plate 3 and the guide plate 6 synchronously slide through a linkage plate 4, as shown in fig. 1-3 and 15, one side of the seat body 1 facing the sliding rail 41 is provided with a sliding groove along the strip length direction, the lock plate 3 and the guide plate 6 slide by clamping with the seat body 1 through the sliding groove, the sliding groove comprises a switch channel, a linear channel 10 and a rotating channel 13 which are sequentially connected, two sides of the seat body 1 are respectively provided with a spring 2 parallel to the linear channel 10, two ends of the spring 2 are respectively connected with the linkage plate 4 and the seat body 1, and the pulling plate 5 are matched with the guide plate 6 in a pulling way, as shown in fig. 13 and 3-7, the switch channel is provided with at least two spade-shaped limiting plates 8 (8 a, 8b, 8c and 8 d), and the orientation of the spade-shaped limiting plates 8 m is opposite to the movement direction of the lock plate 3, and the preferred structure is more compact, and the structure is more compact, compared with the horizontal type seat body can be installed, and the structure is more stable, and the structure is more convenient to install and the structure is more stable than the horizontal seat body; all parts of the push-and-play structure adopt plastic materials except the springs, so that the cost can be reduced, the mute effect can be improved, the plastic deformation of the parts is convenient, and the self-rescue under the failure state of the push-and-play structure is facilitated.
As shown in fig. 4 and 13, the displacement direction of the locking plate can be limited by utilizing the height change from the knife edge m of the shovel blade-shaped limiting plate to the positions of the knife backs n and x, so that the locking plate can only move according to a set path to prevent the locking plate from moving reversely, thereby effectively reducing the possibility of failure state of the push-and-pull structure, ensuring the normal opening and closing of the drawer, reducing the abrasion caused by the out-of-place opening and closing, and prolonging the service life of the drawer.
As shown in fig. 3 and 4, the opening and closing channel comprises an opening channel 15, a locking groove 17 and a closing channel 9, a trapezoid stopper 16 and a vertical hook locking piece 14 are arranged between the opening channel 15 and the closing channel 9, the trapezoid stopper 16 and the vertical hook locking piece 14 are oppositely arranged to form the locking groove 17, one end of the opening channel 15 and one end of the closing channel 9 are identical and are communicated with the straight line channel 10, the other end of the opening channel 15 and the other end of the closing channel 9 are respectively connected with one end of the base body 1 and are separated by the trapezoid stopper 16, four shovel blade-shaped limiting plates 8 are respectively arranged at the top 8a of the vertical hook locking piece 14, the bottom 8d of the vertical hook locking piece 14 and two ends 8b and 8c of the locking groove 17, preferably, as shown in fig. 4 and 7, the height of a knife edge m of the shovel blade-shaped limiting plate 8 is 0 mm, namely is flush with the groove bottom of the opening and closing channel, the height of n at the left end of the back of the scraper knife-shaped limiting plate 8 is 0.5 millimeter, the height of x at the right end of the back of the scraper knife-shaped limiting plate is 0.3 millimeter, namely the height change trend of the scraper knife-shaped limiting plate 8 (8 a, 8b, 8c and 8 d) is 0 millimeter to 0.5 millimeter from the minimum m position to the maximum n position, the slow gradient change and the arrangement of 8a and 8d at the bent positions of the locking plate turning bend positions and the arrangement of 8b and 8c at the two ends of the locking plate stay positions under the self-locking state of the push-elastic mechanism can not obstruct the annular movement of the locking plate, the phenomenon that the locking plate moves reversely to cause the non-smooth abrasion of the drawer switch can be prevented, the locking plate in the self-locking state can be prevented from falling prematurely into the opening channel when the drawer is vibrated, the drawer is opened under an abnormal state, the possibility of failure of the push-elastic structure is further reduced, the normal use of the drawer is ensured, and the service life of the drawer is prolonged.
As shown in fig. 3 and 15, the rotating groove 13 is located at the other end of the base 1, and is an arc rotating groove 13, and beside the arc rotating groove 13, the base 1 is provided with a fixing hole 12, and a first mounting hole 43 arranged on the fixing rail 40 is provided with a rivet fixing mounting, preferably, the fixing hole 12 is a stepped hole, so that on one hand, a mounting space of the rivet can be provided, on the other hand, the rivet is prevented from being protruded, the aesthetic property is improved, and on the other hand, the realization that the rivet is protruded to affect the self-locking and unlocking functions of the push-and-pull structure can be avoided, and further, the smooth push-pull effect of the drawer is ensured.
As shown in fig. 2, 8 and 15, on the other side of the seat body 1, the end of the seat body 1 near one end of the fixing hole 12 is provided with a first clamping groove 18, and the first clamping groove 18 is connected with an anti-collision member 7, so that the impact between the middle rail 42 in the three sections of sliding rails and the pushing and bouncing structure in the drawer opening and closing process can be buffered, the use effect of the drawer is further improved, and better mute experience is brought to a user; the other end of pedestal 1 is equipped with reference column 20, through the locating hole 44 on fixed rail 40, and the pedestal can be accurately installed on fixed rail, and reference column and fixed orifices are established respectively at the both ends of pedestal, can strengthen the steadiness of pedestal to improve the stability of pushing away the bullet structure, in the both sides of fixed orifices 12, pedestal 1 is equipped with second draw-in groove 19 respectively.
As shown in fig. 9, the locking plate 3 includes a first connecting plate 21, a locking post 23 is disposed at an end portion of one end of the first connecting plate 21, a rotating post 22 is disposed at the other end of the first connecting plate 21, and the rotating post 22 is in cross connection with the first connecting plate 21; as shown in fig. 10, the guide plate 6 includes a second connecting plate 25, two ends of the second connecting plate 25 are respectively provided with a sliding column 24 and a shifting column 26, and are close to one end of the sliding column 24, the second connecting plate 25 is provided with a rotating inclined plane 27, the inclination of the rotating inclined plane 27 is adapted to the rotation angle of the guide plate 6, the sliding column 24 is horizontally T-shaped with the second connecting plate 25, the shifting column 26 is cross-shaped with the second connecting plate 25, and the height of one end of the shifting column 26 matched with the shifting plate 5 is adapted to the linkage piece 4 and the shifting plate 5.
As shown in fig. 11, on the surface of the linkage piece 4 facing the seat body 1, the linkage piece 4 is provided with a first groove 31 and a second groove 34, the size of the first groove 31 is matched with the locking piece 3, the shape of the first groove 31 is matched with the movement track of the locking piece 3, the size of the second groove 34 is matched with the guide piece 6, the shape of the second groove 34 is matched with the movement track of the guide piece 6, in the first groove 31, the linkage piece 4 is provided with a first through hole 32 matched with the rotating column 22, in the second groove 34, the linkage piece 4 is respectively provided with a second through hole 29 matched with the sliding column 24 and an arc-shaped through groove 28 matched with the shifting column 26, the radian of the arc-shaped through groove 28 is matched with the rotation amplitude of the guide piece 6, and on two sides of the first groove 31 and at the end part of the linkage piece 4 are respectively provided with a third clamping groove 30, as shown in fig. 2 and 15, one end of the two springs 2 is respectively clamped into the second clamping groove 19, and the other end of the two springs 2 are respectively clamped with the third clamping groove 30, so as to be connected with the seat body and the seat body can be conveniently replaced and detached; preferably, as shown in fig. 1 and 11, the two sides of the linkage piece 4 are arc-shaped wing plates 33, the third clamping groove 30 is located at the end part of the arc-shaped wing plates 33, the arc-shaped wing plates 33 can improve the aesthetic effect of the push-and-play structure, and play roles in protecting and guiding in the continuous expansion and contraction process of the spring, so that the stability of the push-and-play structure is improved.
As shown in fig. 3 and 5, the seat body 1 is provided with a hollowed-out deformation ring 11 which is connected and communicated with the linear groove 10, the hollowed-out deformation ring 11 is close to the arc-shaped rotation groove 13, the position of the hollowed-out deformation ring 11 is matched with the stop position of the guide piece 6 in the self-locking state of the push-and-pull structure, the hollowed-out deformation ring 11 and the side wall of the linear groove 10 form a left deformation arm 11a and a right deformation arm 11b of an inner hook at the communication position, and as shown in (fifth) in fig. 13 and 17, when the push-and-pull structure is in the self-locking state, the locking piece 3 is locked in the locking groove 17 of the switch channel and limited by the hook-shaped part 39 of the vertical hook-shaped locking piece 14, and the linked guide piece 6 is the set position of the hollowed-out deformation ring 11 in the stop position of the linear groove; as shown in fig. 1 and 12, one end of the pulling piece 5 is provided with a connecting hole 35, preferably, the connecting hole 35 is also a step hole, and the beneficial effects are the same as those of the fixing hole 12, and are not repeated here; the other end of the pulling piece 5 is an open hook-shaped pulling groove 36, the bending part of the lower groove wall of the hook-shaped pulling groove 36 is in a right trapezoid shape, preferably, as shown in fig. 12, the top 38 of the right trapezoid-shaped bending part is a circular arc transition surface, so that the pulling column 26 can conveniently slide in or slide out.
Self-rescue process of failure state of guide piece end of push-elastic structure: as shown in fig. 1, 5, 10, 12 and 17, (v) when the drawer is in a closed state, if the guide plate 6 and the pulling plate 5 are blocked and locked and the drawer cannot be opened, the pulling post 26 of the guide plate 6 can simultaneously press the right deformation arm 11b and the top 38 of the right trapezoid bending part of the lower groove wall of the hook-shaped pulling groove 36 by pulling the drawer in the opening direction, and the inner hook end of the right deformation arm 11b slightly moves towards the hollowed-out part of the hollowed-out deformation ring 11 by plastic deformation, so that the pulling post 26 of the guide plate 6 moves towards the groove top direction of the hook-shaped pulling groove 36, and the pulling post 26 is separated from the hook-shaped pulling groove 36 to open the drawer; if the pulling piece 5 is separated from the locking of the pulling post 26 to cause the drawer to be opened, but when the pushing and ejecting structure is still in the self-locking state, the pulling post 26 of the guiding piece 6 presses the inclined waist 37 of the right trapezoid bending part of the hook-shaped pulling groove 36, the guiding piece 6 slightly moves along the linear groove 10 towards the locking piece 3 and presses the left deformation arm 11a, so that the inner hook end of the left deformation arm 11a slightly moves towards the hollowed part of the hollowed deformation ring 11, and the pulling post 26 falls into the bottom of the hook-shaped pulling groove 36 beyond the right trapezoid bending part, and the pushing and ejecting structure returns to the normal state.
The installation and working principle are as follows: as shown in fig. 1, 2 and 14-18, the pulling piece 5 is fixedly mounted on the sliding rail 41 through the connecting hole 35 and the second mounting hole 45; the locking plate 3 is clamped in the sliding groove of the seat body 1 through one end of the rotating column 22, the locking column 23 and one end of the guide plate 6, through one end of the sliding column 24 and one end of the poking column 26, the other end of the rotating column 22 is inserted into the first through hole 32, the other end of the sliding column 24 is inserted into the second through hole 29, so that the locking plate 3 and the guide plate 6 are connected through the linkage plate 4 and synchronously slide, the other end of the poking column 26 passes through the arc-shaped through groove 28 on the linkage plate 4 and then is matched with the poking plate 5 in a poking manner, the poking column 26 slides into the hook-shaped poking groove 36 through the limit of the arc-shaped through groove 28 and the hook-shaped poking groove 36 in the stroke of the rotating groove 13, and thus the drawer is ensured to be in a closed state, and the poking column 26 slides out of the hook-shaped poking groove 36 to open the drawer; the two ends of the spring 2 are respectively connected with the second clamping groove 19 on the base 1 and the third clamping groove 30 on the linkage piece 4, the drawer is smoothly opened and closed by the telescopic elasticity of the spring, one end of the base 1 close to the middle rail 42 is connected with the anti-collision piece 7 through the first clamping groove 18, and collision between the middle rail 42 and the pushing and bouncing structure in the drawer opening and closing process can be buffered; the parts of the push-and-play structure except the plectrum 5 are arranged on the fixed rail 40 through the positioning column 20 of the base body 1 and the positioning holes 44 on the fixed rail 40 and fixed through the fixed hole 12 and the first mounting hole 43 on the base body 1.
When the drawer is closed, the push-spring structure is changed from (one) to (five) in fig. 17 in sequence: as shown in fig. 17 (one) and fig. 16, after the drawer is opened, the lock plate 3 is stopped at the middle position of the linear groove 10, the guide plate 6 is stopped in the rotating groove 13 in an inclined rotating state, when the drawer is pushed in, the sliding rail 41 arranged on the outer side wall of the drawer drives the shifting plate 5 to move together in the left direction of fig. 17, when the shifting plate 5 touches the shifting post 26, one end of the shifting post 26 matched with the shifting plate 5 is slid into the hook-shaped shifting groove 36 along the groove top surface of the hook-shaped shifting groove 36 under the thrust action, when the guide plate 6 moves leftwards, the guide plate 6 enters the linear groove 10 from the rotating groove 13 and rotates to be in a horizontal state, the shifting post 26 falls into the hook-shaped groove bottom of the hook-shaped shifting groove 36, and under the connection action of the linkage plate 4, the guide plate 6 pushes the lock plate 3 to move leftwards synchronously, under the guiding and limiting action of the scraper knife-shaped limiting plate 8, the locking column 23 in the locking plate 3 enters the closing channel 9 in the switch channel from the linear groove 10, the rotating column 22 is taken as a shaft ring to do upper semi-annular movement around the top end of the vertical hook-shaped locking block 14, the locking column 23 enters the locking groove 17 under the elastic action of the spring 2 and stops at the hook-shaped part 39 of the vertical hook-shaped locking block 14, as shown in (fifth) in fig. 17, at the moment, the spring 2 is in a stretched state, and the drawer is locked in the cabinet body through the locking action of the pulling plate 5 on the sliding rail 41 and the pulling column 26 of the guiding plate 6 in the fixed rail 40 and the locking action of the locking groove 17 in the fixed rail 40, so that the drawer is closed, as shown in fig. 14, the path I in fig. 13 shows the movement track of the locking plate 3 in the closing process, and the path III shows the movement track of the guiding plate 6 in the closing process.
When the drawer is opened, the push-spring structure changes from (five) to (nine) in fig. 18 in sequence and finally returns to state (one): as shown in fig. 18 (fifth) and fig. 14, when the drawer is in the closed state, the front plate surface of the drawer is pressed, the lock post 23 moves towards the trapezoid stopper 16 under the action of the pressing force, and under the action of the rebound force of the inclined side wall of the trapezoid stopper 16, the gravity of the lock post 23 and the guiding and limiting action of the shovel blade-shaped limiting plate 8c, the lock post 23 withdraws from the lock groove 17 and enters the opening channel 15, under the action of the retraction force of the spring 2, the lock post 23 takes the rotating post 22 as a collar to make a lower semi-annular movement around the bottom end of the vertical hook-shaped lock block 14 and finally enters the straight line groove 10 towards the right side direction of fig. 18, and under the action of the linkage piece 4, the lock piece 3 pushes the guide piece 6 to move synchronously to the right, when the guide piece 6 enters the rotating groove 13 from the straight line groove 10, the shifting post 26 rotates around the sliding post 24 as an axis under the guiding action of the arc-shaped rotating groove 13, one end of the shifting post 26 matched with the shifting piece 5 moves from the bottom of the hook-shaped groove 36 to the top surface of the groove, and then moves beyond the bending part of the right-angle ladder-shaped shifting portion of the sliding hook-shaped groove 36 to move from the bottom of the hook-shaped groove 36 to the top surface, and then the sliding track 41 is released from the sliding track 40 in the opening track of the straight line groove 13, and the sliding track 6 is opened, and the locked track is opened, and the track is shown in the opening process is shown as the track is opened, and the track is opened, and the track is shown in the track is in the track, and the.
Claims (3)
1. The push-elastic structure for the drawer slide rail comprises a locking plate, a guide plate, a shifting plate arranged on a sliding rail and a base body arranged on a fixed rail, wherein the locking plate and the guide plate synchronously slide through a linkage plate, a sliding groove is formed in one surface of the base body, facing the sliding rail, of the base body along the strip length direction, the locking plate and the guide plate slide through the sliding groove in a clamping manner with the base body, the sliding groove comprises a switch channel, a linear groove and a rotating groove which are sequentially connected, the rotating groove is positioned at the other end of the base body and is an arc-shaped rotating groove, and a fixing hole is formed in the base body beside the arc-shaped rotating groove; the spring parallel to the straight line groove is respectively arranged on two sides of the base body, two ends of the spring are respectively connected with the linkage piece and the base body, and the poking piece is poked and matched with the guide piece, and the spring is characterized in that: at least two shovel blade-shaped limiting plates are arranged along the anticlockwise annular movement track of the locking plate, and the directions of the knife edges of the shovel blade-shaped limiting plates are opposite to the movement direction of the locking plate;
the switch channel comprises an opening channel, a locking groove and a closing channel, wherein a trapezoidal stop block and a vertical hook-shaped locking block are arranged between the opening channel and the closing channel, the trapezoidal stop block and the vertical hook-shaped locking block are oppositely arranged and form the locking groove, one end of the opening channel is identical to one end of the closing channel and is communicated with the linear groove, the other end of the opening channel and the other end of the closing channel are respectively connected with the end part of one end of the base body and are separated by the trapezoidal stop block, and four shovel blade-shaped limiting plates are respectively positioned at the top of the vertical hook-shaped locking block, the bottom of the vertical hook-shaped locking block and the two ends of the locking groove;
the seat body is provided with a hollowed deformation ring which is communicated with the linear groove, the hollowed deformation ring is close to the arc-shaped rotating groove, the position of the hollowed deformation ring is adapted to the stop position of the guide piece in the self-locking state of the pushing and bouncing structure, and the hollowed deformation ring and the side wall of the linear groove form a left deformation arm and a right deformation arm of an inner hook at the communication position;
the other surface of the base body is provided with a first clamping groove at the end part of the base body close to one end of the fixing hole, the other end of the base body is provided with a positioning column, and the base body is respectively provided with a second clamping groove at two sides of the fixing hole;
the locking plate comprises a first connecting plate, a locking column is arranged at the end part of one end of the first connecting plate, a rotating column is arranged at the other end of the first connecting plate, and the rotating column is in cross connection with the first connecting plate;
the guide piece comprises a second connecting plate, a sliding column and a shifting column are respectively arranged at two ends of the second connecting plate and are close to one end of the sliding column, the second connecting plate is provided with a rotating inclined plane, the inclination amplitude of the rotating inclined plane is matched with the rotating angle of the guide piece, the sliding column is horizontally connected with the second connecting plate in a T shape, the shifting column is connected with the second connecting plate in a cross shape, and the height of one end of the shifting column matched with the shifting plate in a shifting mode is matched with the linkage piece and the shifting plate;
the connecting piece is provided with a first groove and a second groove, the size of the first groove is matched with the movement track of the locking plate, the size of the second groove is matched with the guide piece, the shape of the second groove is matched with the rotation track of the guide piece, the connecting piece is provided with a first through hole matched with the rotating column in the first groove, the connecting piece is provided with a second through hole matched with the sliding column and an arc through groove matched with the shifting column in the second groove, the radian of the arc through groove is matched with the rotation amplitude of the guide piece, third clamping grooves are respectively arranged at two sides of the first groove and at the end parts of the connecting piece, one ends of two springs are respectively clamped into the second clamping grooves, and the other ends of the two springs are respectively clamped with the third clamping grooves;
one end of the poking piece is provided with a connecting hole, the other end of the poking piece is an open hook-shaped poking groove, and the bending part of the lower groove wall of the hook-shaped poking groove is in a right-angle trapezoid shape.
2. The push-and-play structure for a drawer slide of claim 1, wherein: the first clamping groove is connected with an anti-collision piece.
3. The push-and-play structure for a drawer slide of claim 1, wherein: the seat body is a horizontal I-shaped seat body.
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| CN201910085913.0A CN109757884B (en) | 2019-01-29 | 2019-01-29 | Pushing and bouncing structure for drawer slide rail |
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| CN201910085913.0A CN109757884B (en) | 2019-01-29 | 2019-01-29 | Pushing and bouncing structure for drawer slide rail |
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| CN109757884A CN109757884A (en) | 2019-05-17 |
| CN109757884B true CN109757884B (en) | 2024-01-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112716180B (en) * | 2019-10-29 | 2023-11-21 | 科凡家居股份有限公司 | Locking device of sliding drawer |
| CN113091386B (en) * | 2019-12-23 | 2023-06-16 | 合肥海尔电冰箱有限公司 | Slide rail, drawer and refrigerator |
| CN115998100A (en) * | 2023-02-08 | 2023-04-25 | 泛亚电子工业(无锡)有限公司 | Soft closing protection structure of sliding rail |
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| CN109757884A (en) | 2019-05-17 |
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