CN115486648A - Drawer guide rail device with press bounce and gentle close function - Google Patents

Abstract

The invention discloses a drawer guide rail device with pressing rebounding and soft closing functions, which comprises guide rail mechanisms arranged at two sides of a drawer, rebounding devices arranged on each guide rail mechanism and a synchronizing device used for driving the rebounding devices at two sides to move synchronously, wherein the guide rail mechanisms are arranged on the two sides of the drawer; the guide rail mechanism comprises a static guide rail and a movable guide rail; the rebounding device comprises a mounting seat, a rebounding mechanism, a damping mechanism and a triggering mechanism; rebound mechanism is in including sliding the setting trigger piece on the mount pad, slide the setting and be in actuating lever and connecting piece on the trigger piece, setting are in be used for carrying on spacing stop gear, setting to the trigger piece on the mount pad rebound spring on the trigger piece and rotation setting are in couple on the actuating lever. This drawer guide rail device can make drawer auto-eject through the mode of pressing the drawer, and is easy and simple to handle convenient, and has buffer function when closing, can realize softly closing of drawer to can give the user good use experience.

Description

Drawer guide rail device with press bounce and gentle close function

Technical Field

The invention relates to the technical field of drawers, in particular to a drawer guide rail device with press rebounding and soft closing functions.

Background

A drawer is a relatively common kind of furniture, which has a powerful storage function. The two sides of the drawer are usually required to be provided with guide rails so that the drawer can be freely and smoothly pushed and pulled. A user only needs to manually apply pulling force and pushing force to the drawer to drive the drawer to move on the guide rail, so that the drawer is opened or closed. However, the drawer is opened or closed by pulling out and pushing in the existing drawer, the operation process is troublesome, the pulling-in and pushing stroke is long, the drawer needs to be operated for a long time, the use is inconvenient, the function of automatically popping the drawer cannot be realized when the drawer is pressed by the existing drawer, the guide rail is not damaged easily due to the fact that the drawer is not provided with a buffering function when the drawer is closed, the drawer has a single function, the operation is time-consuming and labor-consuming, and the use experience and the convenience of the drawer are seriously influenced.

Disclosure of Invention

The invention aims to overcome the existing problems and provides a drawer guide rail device with pressing rebound and soft closing functions, the drawer guide rail device can enable a drawer to automatically pop up in a manner of pressing the drawer, is simple and convenient to operate, has a buffering function when being closed, can realize soft closing of the drawer, and can provide good use experience for users.

The purpose of the invention is realized by the following technical scheme:

a drawer guide rail device with pressing rebound and soft closing functions comprises guide rail mechanisms arranged at two sides of a drawer, rebound devices arranged on each guide rail mechanism and a synchronous device used for driving the rebound devices at two sides to synchronously move; wherein the content of the first and second substances,

the guide rail mechanism comprises a static guide rail and a movable guide rail which is arranged on the static guide rail and moves relative to the static guide rail;

the rebounding device comprises a mounting seat arranged on the static guide rail, a rebounding mechanism arranged in the mounting seat, a damping mechanism and a triggering mechanism arranged on the movable guide rail and used for triggering the rebounding mechanism;

the rebounding mechanism comprises a triggering piece, a driving rod, a connecting piece, a limiting mechanism, a rebounding spring and a hook, wherein the triggering piece is arranged on the mounting seat in a sliding mode, the driving rod and the connecting piece are arranged on the triggering piece in a sliding mode, the limiting mechanism is arranged on the mounting seat and used for limiting the triggering piece, the rebounding spring is arranged on the triggering piece, and the hook is rotatably arranged on the driving rod; the sliding directions of the trigger piece, the driving rod and the connecting piece are the same as the sliding direction of the movable guide rail; one end of the rebound spring acts on the rear end of the driving rod, and the other end of the rebound spring acts on the rear end of the trigger piece; the front end of the driving rod is connected with the rear end of the connecting piece through a clamping structure; the limiting mechanism comprises a limiting poke rod hinged to the mounting seat and a limiting torsion spring acting on the limiting poke rod and the mounting seat, and the elastic force of the limiting torsion spring enables the limiting poke rod to be clamped into the trigger piece; the driving rod and the limiting poke rod are provided with guide separation components for guiding the limiting poke rod to be separated from the trigger piece; the trigger piece is provided with a rebounding guide groove, the rebounding guide groove is provided with a hanging and buckling part, and the rebounding guide groove is used for guiding the hook to be hung and buckled on the hanging and buckling part and guiding the hook to be separated from the hanging and buckling part;

the front end of the damping mechanism acts on the middle part of the trigger piece, and the rear end of the damping mechanism acts on the rear end of the mounting seat;

the trigger mechanism comprises a driving block arranged on the movable guide rail; in the process of closing the drawer, the movable guide rail moves backwards, and the driving block is contacted with the front end of the connecting piece;

the synchronous device is used for promoting the synchronous movement of the driving rods in the two rebounding devices.

The working principle of the drawer guide rail device with the pressing rebound and soft closing functions is as follows:

when the drawer is closed, the drawer is pushed, the movable guide rail moves along with the drawer, therefore, the movable guide rail can slide backwards relative to the static guide rail, the movement of the movable guide rail can drive the driving block on the movable guide rail to move, the driving block can be contacted with the front end of the connecting piece along with the movement, and at the moment, the triggering piece is kept in a static state under the action of the limiting mechanism; the driving block can push the connecting piece to slide backwards on the trigger piece along with the continuous backward movement of the movable guide rail, the connecting piece can push the driving rod to slide backwards on the trigger piece by sliding backwards, the backward movement of the driving rod can compress the rebound spring, the backward movement can overcome the elasticity of the rebound spring, the driving rod moves backwards and drives the hook to move, and the hook can continue to move backwards along the rebound guide groove and cross the buckling part to move backwards as one end of the hook is rotatably connected to the driving rod; the driving rod is connected with the connecting piece and the driving rod through a damping mechanism, the connecting piece and the driving rod move backwards continuously, the guide separation assembly on the driving rod can guide the limiting poke rod to be far away from the trigger piece, the limiting poke rod can overcome the elasticity of the limiting torsion spring to be separated from the trigger piece, the trigger piece and the driving rod pull the trigger piece backwards under the action of the elasticity of the rebound spring and the elasticity of the damping mechanism, the trigger piece can move backwards on the mounting seat, and the driving rod has a forward movement tendency relative to the trigger piece; the elastic force of the damping mechanism also enables the trigger piece to move backwards, and the trigger piece and the driving rod generate certain relative motion under the action of the rebound spring, so that the hook can be instantly hung on the hanging buckle part, the synchronizing device just contacts with the driving rod at the moment, the pushing of the drawer is stopped, and the soft closing function of the drawer is realized.

When the drawer needs to be opened, the drawer is pressed, the movable guide rail moves backwards along with the drawer to drive the driving block to move backwards, the driving block drives the connecting piece and the driving rod to slide backwards on the trigger piece, and the driving rod can drive the synchronizing device to move simultaneously; under the action of the rebound spring, the driving rod can push the trigger piece to move backwards, when the trigger piece moves backwards on the mounting seat to a limit position (the rear end of the trigger piece is abutted against the end part of the mounting seat), the trigger piece stops moving, the driving block drives the connecting piece and the driving rod to continue to move backwards, the rebound spring is compressed, the hook can be separated from the hanging buckle part, after hands are released, the rebound spring extends, the huge elastic force of the rebound spring drives the driving rod and the connecting piece to rebound forwards, the elastic force of the damping mechanism is overcome, and under the inertia action of the driving rod and the connecting piece, the trigger piece is driven to move forwards, so that the rebound mechanism returns to an initial state; in the process, the driving rod moves forwards, so that the guide separation assembly of the driving rod can be separated from the limiting poke rod, and when the trigger piece also moves forwards to cross the limiting poke rod, the elasticity of the limiting torsion spring enables the limiting poke rod to clamp the trigger piece, so that the trigger piece is kept in an initial state; the connecting piece drives the driving block to move forwards in the forward movement process, and drives the movable guide rail to move forwards, and finally the drawer is opened in a rebounding way; in the process of pressing rebound, the driving rods move to drive the synchronizing device to move, and when the rebound is guaranteed, the driving rods on the two sides can guarantee synchronous movement.

In a preferable scheme of the invention, a pushing block is arranged between the trigger piece and the mounting seat, one end of the pushing block is rotatably connected with the middle part of the trigger piece, and the other end of the pushing block is connected with the mounting seat in a sliding and rotating manner; the movable guide rail is provided with a poking needle, the pushing block is provided with a clamping groove, and the lower end of the poking needle can be clamped into the clamping groove. In the structure, when the drawer is closed, the movable guide rail moves backwards, the driving block and the shifting needle are driven to move simultaneously, the driving block can be contacted with the connecting piece, the shifting needle can be contacted with the pushing block and clamped into the clamping groove, the triggering piece is in a static state before the guide separation assembly on the driving rod does not trigger the limiting mechanism, and the shifting needle pushes the pushing block to rotate on the triggering piece due to the fact that one end of the pushing block is rotatably connected with the middle of the triggering piece, so that the pushing block has a buffering distance, and the triggering piece is guaranteed not to be pushed to move before the limiting shifting rod is separated from the triggering piece; when the guide separation assembly on the driving rod triggers the limiting mechanism, the trigger piece, the pushing block and the shifting needle move together, in the process, under the action of the damping mechanism, the trigger piece moves backwards firstly, and the shifting needle is pulled to move under the action of the pushing block to drive the guide rail to move, so that the closing of the drawer is accelerated, and under the action of the rebound spring, the function of quickly and softly closing the drawer is realized; when the drawer is opened by pressing the rebounding button, a virtual position exists between the shifting needle and the pushing block, so that when the trigger piece moves to the limit position, the movable guide rail can continue to drive the driving block to move, and the rebounding is guaranteed to be smoothly carried out. Through setting up above-mentioned structure, when having closed the drawer and reopen, the user can directly pull out the drawer, moves the guide rail and drives the motion of dialling the needle, dials the needle and drives and promote the piece motion, promotes the elasticity that the piece overcome damping mechanism and drives the motion of trigger piece to make rebound mechanism follow-up guide rail motion, make and play fine cushioning effect when closing the drawer and opening the drawer.

Preferably, the guiding separation assembly comprises a limiting pin shaft arranged at the end part of the limiting toggle rod and a guiding separation groove arranged on the driving rod and used for guiding the limiting pin shaft to move. In the structure, when the driving rod moves backwards, the limiting pin shaft enters the guide separation groove from the rear end opening of the guide separation groove, the guide separation groove can guide the limiting pin shaft to move on the path of the guide separation groove along with the movement of the driving rod, and the limiting pin shaft can drive the limiting poke rod to overcome the elastic force of the limiting torsion spring to swing so that the limiting poke rod is separated from the trigger piece; when the driving rod moves forwards, the limiting toggle rod can be prompted to limit the trigger part by combining the elasticity of the limiting torsion spring.

Preferably, the rebounding guide groove comprises a first straight guide groove positioned at the front end, a buckling-in guide groove positioned at the middle part, a withdrawing guide groove and a second straight guide groove positioned at the rear end; the hanging and buckling part is positioned between the buckling-in guide groove and the buckling-out guide groove; the front end of the buckling guide groove is communicated with the first linear guide groove, and the rear end of the buckling guide groove is communicated with the second linear guide groove; the front end of the withdrawing guide groove is communicated with the first linear guide groove, and the rear end of the withdrawing guide groove is communicated with the second linear guide groove. In the structure, when the drawer is closed, the driving rod moves backwards to drive the hook to enter from the first linear guide groove and then enter the second linear guide groove under the guide of buckling into the guide groove, and when the trigger is separated from the limiting mechanism, the hook can be buckled at the rear end of the buckling part under the action of the rebound spring; when the elastic hook needs to be pressed and rebounded, the hook can enter the exit guide groove, then returns to the first linear guide groove from the exit guide groove, and finally returns to the initial state. By adopting the structure, the function of pressing and rebounding the drawer is realized.

Preferably, the damping mechanism comprises a damper and a damping spring which are arranged in parallel, wherein the front end of the damper acts on the middle part of the trigger part, and the rear end of the damper acts on the mounting seat; the front end of the damping spring acts on the middle part of the trigger piece, and the rear end of the damping spring acts on the mounting seat. Through setting up attenuator and damping spring, can increase the damping effect, play stably to close the drawer and play certain cushioning effect to the bounce-back.

Preferably, the synchronizing device comprises a synchronizing rod and synchronizing assemblies arranged on two sides of the synchronizing rod, and the two synchronizing assemblies are respectively arranged on the mounting seats of the two rebounding devices; the synchronous assembly comprises a synchronous cam rotatably arranged on the mounting seat, a synchronous pin shaft arranged on the synchronous cam and a synchronous torsion spring; one end of the synchronous torsion spring acts on the mounting seat, the other end of the synchronous torsion spring acts on the synchronous cam, and the synchronous cam is connected with the synchronous rod; the mounting seat is provided with a limiting groove, and the synchronous cam enables the bulge part of the synchronous cam to be tightly propped against the limiting groove under the elasticity of the synchronous torsion spring; and the driving rod is provided with a synchronous guide groove for guiding the synchronous pin shaft to move. In the structure, when the drawer is closed, the hook just buckles the buckling part, and the synchronous pin shaft just contacts with the synchronous guide groove of the driving rod; when the drawer is pressed to rebound, when the trigger piece moves to the limit position, the driving rod also moves backwards, the synchronous guide groove on the driving rod guides the synchronous pin shaft to move, the synchronous cam is driven to overcome the synchronous torsion spring to move, and the synchronous pin shaft is driven to move along with the continuous backward movement of the driving rod; when the hook is separated from the hanging buckle part, the forward movement of the driving rod and the elasticity of the synchronous torsion spring urge the synchronous cam to move reversely, and finally the synchronous device can return to the initial mounting state; through setting up synchronizer, can guarantee that drawer both sides can pop out in step to make the actuating lever of drawer both sides when popping out can not take place to pop out the speed inconsistent and lead to the card dead phenomenon, improved the life of bounce-back device.

Preferably, the engaging structure includes an engaging block disposed at the front end of the driving rod and an engaging groove disposed at the rear end of the connecting member; the clamping block and the clamping groove are connected in a matched mode. Through setting up the block structure, can realize being connected of actuating lever and connecting piece to realize actuating lever and connecting piece and move together, simultaneously, also be convenient for dismantle the dismouting of being convenient for to actuating lever and connecting piece and overhaul.

Preferably, the mounting seat is provided with a guide groove for guiding the pushing block to move, and the guide groove comprises an arc section at the front end and a straight section at the rear end. By arranging the arc section, the pushing block can rotate on the trigger piece and slide on the mounting seat, so that a certain buffering distance of the pushing block is ensured; through setting up the straightway for the direction that promotes the piece motion can keep being parallel with the direction that triggers the piece motion, thereby realizes driving the trigger piece motion.

Preferably, the static guide rail is connected with the mounting seat through a bottom plate. By arranging the bottom plate, the rebounding device can be arranged on the bottom plate, and the structure becomes very compact.

Preferably, the mounting seat is provided with a position adjusting mechanism for adjusting the mounting position of the mounting seat on the bottom plate, and the position adjusting mechanism comprises an adjusting screw rod arranged on the mounting seat and an adjusting gear arranged in the middle of the adjusting screw rod; the bottom plate is provided with two adjusting stop blocks, the two adjusting stop blocks extend upwards into the mounting seat, and the two adjusting stop blocks are respectively contacted with two ends of the adjusting screw rod. Through above-mentioned structure, through rotating adjusting gear with the hand, drive adjusting screw motion, under the effect of two regulation dogs for the mount pad takes place to remove for adjusting screw, thereby plays the position control's of mount pad effect, has realized the position control of bounce-back device.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the drawer guide rail device with the pressing rebound and soft closing functions, when a drawer is closed, after the limiting mechanism is separated from the trigger part, the trigger part and the driving rod pull the trigger part backwards under the action of the elastic force of the rebound spring and the elastic force of the damping mechanism, the trigger part can move backwards on the mounting seat, and the driving rod has the tendency of moving forwards relative to the trigger part; the trigger piece is also driven to move backwards through the elasticity of the damping mechanism and under the action of the rebound spring, so that the trigger piece and the driving rod generate certain relative motion, the hook can be instantly hung on the hanging and buckling part, and the closing of the drawer is completed; in the process, the rebound spring acts on the driving rod, so that a good buffering effect can be achieved on the closing of the drawer, and the function of soft closing of the drawer is achieved.

2. According to the drawer guide rail device with the pressing rebounding and soft closing functions, the driving block drives the connecting piece and the driving rod to slide backwards on the trigger piece in a manner of pressing the drawer, and the driving rod can drive the synchronizing device to move at the same time; under the action of the rebound spring, the driving rod can push the trigger piece to move backwards, when the trigger piece moves backwards on the mounting seat to a limit position (the rear end of the trigger piece is abutted against the end part of the mounting seat), the trigger piece stops moving, the driving block drives the connecting piece and the driving rod to continue to move backwards, the rebound spring is compressed, the hook can be separated from the hanging buckle part, after the hand is released, the rebound spring extends, the huge elastic force of the rebound spring drives the driving rod and the connecting piece to rebound forwards and overcome the elastic force of the damping mechanism, and under the inertia action of the driving rod and the connecting piece, the trigger piece is driven to move forwards, so that the rebound mechanism returns to an initial state, and the drawer is bounced off; through the arrangement, a user can pull the drawer open manually, and only the drawer in the closed state needs to be stressed, so that the operation is more convenient and faster, and the user can be well experienced in use.

3. According to the drawer guide rail device with the press rebounding and soft closing functions, the two sides of the drawer can be synchronously popped up through the arrangement of the synchronizing device, so that the phenomenon of locking caused by inconsistent popping-up rates of the driving rods on the two sides when the drawer is popped up is avoided, and the service life of the rebounding device is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of one embodiment of a drawer rail device (hidden drawer) in the invention.

Fig. 2-3 are partial schematic structural views of the drawer rail assembly of the present invention.

Fig. 4-5 are schematic structural views of a rail mechanism and a rebounding device on one side of a drawer according to the present invention, wherein fig. 4 is a perspective view, and fig. 5 is a top view.

Fig. 6 is a schematic perspective view of the rebounding device of the present invention.

Figure 7 is an exploded view of the rebounding apparatus of the present invention.

Fig. 8 is a schematic structural view of the rebounding device (hidden mounting cover) in the present invention.

Fig. 9-14 are schematic structural views of the rebounding device in different states, where fig. 9 is a state where the limit pin is just in contact with the guide separation groove, an arrow indicates a direction of movement of the connecting member, fig. 10 is a state where the limit tap lever is separated from the trigger member, fig. 11 is a state where the hook is hooked on the hooking portion (a state where the synchronization pin is just in contact with the synchronization guide groove), fig. 12 is a state where the trigger member has moved to the limit, fig. 13 is a state where the hook is separated from the hooking portion, and fig. 14 is a state where the rebounding device returns to the original state after rebounding.

Fig. 15 is a schematic perspective view of a pushing block of the present invention.

Fig. 16 is a perspective view of the mounting base of the present invention.

Fig. 17 is a perspective view of the driving rod of the present invention.

Fig. 18-19 are schematic structural views of the trigger member in the present invention, wherein fig. 18 is a perspective view, and fig. 19 is a top view.

Fig. 20 is a schematic structural view of another embodiment of the pushing block of the present invention.

Detailed Description

In order to make those skilled in the art understand the technical solutions of the present invention well, the present invention will be further described below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1-2, the present embodiment discloses a drawer rail assembly with press rebounding and soft closing functions, which includes rail mechanisms 1 disposed at both sides of a drawer, rebounding devices 2 disposed on each rail mechanism 1, and synchronizing devices 3 for driving the rebounding devices 2 at both sides to move synchronously; the guide rail mechanism 1 includes a stationary guide rail 101 and a movable guide rail 102 disposed on the stationary guide rail 101 and moving relative to the stationary guide rail 101. The static guide rail 101 is installed on the cabinet body, and the drawer is installed on the movable guide rail 102.

Referring to fig. 1 to 6, the rebounding device 2 includes a mounting seat 4 disposed on the stationary rail 101, a rebounding mechanism disposed inside the mounting seat 4, a damping mechanism 5, and a triggering mechanism disposed on the movable rail 102 for triggering the rebounding mechanism.

Referring to fig. 1-14 and 16-19, the rebounding mechanism includes a triggering member 6 slidably disposed on the mounting base 4, a driving rod 7 and a connecting member 8 slidably disposed on the triggering member 6, a limiting mechanism 9 disposed on the mounting base 4 for limiting the triggering member 6, a rebounding spring 10 disposed on the triggering member 6, and a hook 11 rotatably disposed on the driving rod 7; the sliding direction of the trigger piece 6, the driving rod 7 and the connecting piece 8 is the same as the sliding direction of the movable guide rail 102; one end of the rebound spring 10 acts on the rear end of the driving rod 7, and the other end of the rebound spring acts on the rear end of the trigger piece 6; the front end of the driving rod 7 is connected with the rear end of the connecting piece 8 through a clamping structure; the limiting mechanism 9 comprises a limiting poke rod 901 hinged on the mounting seat 4 and a limiting torsion spring 902 acting on the limiting poke rod 901 and the mounting seat 4, and the elastic force of the limiting torsion spring 902 causes the limiting poke rod 901 to be clamped on the trigger 6; the driving rod 7 and the limiting poke rod 901 are provided with guiding and separating components for guiding the limiting poke rod 901 to separate from the trigger piece 6; the trigger piece 6 is provided with a rebound guide groove 12, the rebound guide groove 12 is provided with a hanging and buckling part 13, and the rebound guide groove 12 is used for guiding the hook 11 to be hung and buckled on the hanging and buckling part 13 and guiding the hook 11 to be separated from the hanging and buckling part 13.

Referring to fig. 1 to 14, the front end of the damping mechanism 5 acts on the middle part of the trigger 6, and the rear end acts on the rear end of the mounting seat 4; the damping mechanism 5 comprises a damper 501 and a damping spring 502 which are arranged in parallel, wherein the front end of the damper 501 acts on the middle part of the trigger piece 6, and the rear end acts on the mounting seat 4; the front end of the damping spring 502 acts on the middle of the trigger 6, and the rear end acts on the mounting seat 4. Through setting up attenuator 501 and damping spring 502, can increase the damping effect, play stably to close the drawer and play certain cushioning effect to bounce-back.

Referring to fig. 1-14, the trigger mechanism includes a driving block 14 disposed on the movable rail 102; the driving block 14 is welded on the side of the movable guide rail 102, and during the closing process of the drawer, the movable guide rail 102 moves backwards, and the driving block 14 is contacted with the front end of the connecting piece 8.

Referring to fig. 1-14 and 16-19, in the drawer rail device with press-rebound and soft-close functions in the present embodiment, after the limit mechanism 9 is separated from the trigger 6 when the drawer is closed, the trigger 6 and the driving rod 7 pull the trigger 6 backwards under the action of the elastic force of the rebound spring 10 and the elastic force of the damping mechanism 5, the trigger 6 moves backwards on the mounting seat 4, and the driving rod 7 has a tendency to move forwards relative to the trigger 6; the trigger 6 is also driven to move backwards by the elastic force of the damping mechanism 5 and the action of the rebound spring 10, so that the trigger 6 and the driving rod 7 generate certain relative movement, the hook 11 can be instantly hung on the hanging buckle part 13, and the closing of the drawer is completed; in the process, the rebound spring 10 acts on the driving rod 7, so that the drawer closing can be well buffered, and the function of soft closing of the drawer is realized.

In the drawer guide rail device with the pressing rebound and soft closing functions in the embodiment, the driving block 14 drives the connecting piece 8 and the driving rod 7 to slide backwards on the trigger piece 6 in a manner of pressing the drawer, and the driving rod 7 drives the synchronizing device 3 to move at the same time; under the action of the rebound spring 10, the driving rod 7 can push the trigger piece 6 to move backwards, when the trigger piece 6 moves backwards on the mounting seat 4 to a limit position (the rear end of the trigger piece 6 is abutted against the end part of the mounting seat 4), the trigger piece 6 stops moving, the driving block 14 drives the connecting piece 8 and the driving rod 7 to continue moving backwards, the rebound spring 10 is compressed, the hook 11 can be separated from the hanging and buckling part 13, after hands are released, the rebound spring 10 extends, the huge elastic force of the rebound spring 10 drives the driving rod 7 and the connecting piece 8 to rebound forwards, the elastic force of the damping mechanism 5 is overcome, under the inertia effect of the driving rod 7 and the connecting piece 8, the trigger piece 6 is driven to move forwards, the rebound mechanism returns to an initial state, and the drawer is popped out; through the arrangement, a user can pull the drawer open manually, and only pressure is applied to the drawer in the closed state, so that the operation is more convenient and faster, and the user can be well experienced in use.

Referring to fig. 1 to 19, a pushing block 15 is arranged between the trigger 6 and the mounting seat 4, one end of the pushing block 15 is rotatably connected with the middle part of the trigger 6, and the other end is slidably and rotatably connected with the mounting seat 4; the movable guide rail 102 is welded with a shifting needle 16, the pushing block 15 is provided with a clamping groove 1501, and the lower end of the shifting needle 16 can be clamped in the clamping groove 1501. In the structure, when the drawer is closed, the movable guide rail 102 moves backwards, the driving block 14 and the shifting needle 16 are driven to move simultaneously, the driving block 14 is in contact with the connecting piece 8, the shifting needle 16 is in contact with the pushing block 15 and is clamped into the clamping groove 1501, the triggering piece 6 is in a static state before the guide separation assembly on the driving rod 7 does not trigger the limiting mechanism 9, because one end of the pushing block 15 is rotatably connected with the middle part of the triggering piece 6, the shifting needle 16 pushes the pushing block 15 to rotate on the triggering piece 6, the pushing block 15 has a buffering distance, and the triggering piece 6 is ensured not to be pushed to move before the limiting shifting rod 901 is separated from the triggering piece 6; when the guide separation component on the driving rod 7 triggers the limiting mechanism 9, the trigger piece 6, the pushing block 15 and the shifting needle 16 move together, in the process, under the action of the damping mechanism 5, the trigger piece 6 moves backwards firstly, and the shifting needle 16 is pulled to move under the action of the pushing block 15 to drive the guide rail 102 to move, so that the closing of the drawer is accelerated, and under the action of the rebound spring 10, the function of quickly and softly closing the drawer is realized; when the drawer needs to be opened by pressing the rebounding, a virtual position exists between the shifting needle 16 and the pushing block 15, so that when the trigger piece 6 moves to the limit position, the movable guide rail 102 can continue to drive the driving block 14 to move, and the rebounding is guaranteed to be smoothly performed. Through setting up above-mentioned structure, when having closed the drawer and reopen, the user can directly pull out the drawer or press the drawer to bounce back out, when pulling out the drawer, moves guide rail 102 and drives the motion of dialling needle 16, dials needle 16 and drives and promote the motion of piece 15, promotes the elasticity that piece 15 overcome damping mechanism 5 and drives the motion of trigger piece 6 to make bounce-back mechanism follow-up guide rail 102 motion, make and play fine cushioning effect when closing the drawer and opening the drawer.

Referring to fig. 4-5, the setting needle 16 is located behind the driving block 14, and the height of the lowest end of the setting needle 16 is higher than that of the lowest end of the driving block 14, so as to ensure that the setting needle 16 can pass over the connecting piece 8 when moving backwards, and the driving block 14 can smoothly contact with the connecting piece 8, thereby facilitating the movement of the connecting piece 8.

Referring to fig. 1-19, the mounting seat 4 is provided with a guide slot 17 for guiding the motion of the pusher 15, and the guide slot 17 includes a circular arc section 1701 at the front end and a straight section 1702 at the rear end. By arranging the arc section 1701, the pushing block 15 can rotate on the trigger piece 6 and slide on the mounting seat 4, so that a certain buffering distance of the pushing block 15 is ensured; by arranging the straight line segment 1702, the moving direction of the pushing block 15 can be kept parallel to the moving direction of the trigger 6, so as to drive the trigger 6 to move.

Referring to fig. 1-19, the pushing block 15 is rotatably connected to the middle of the trigger 6 through a rotating shaft 19, the pushing block 15 is slidably and rotatably engaged with the guide slot 17 through a sliding shaft 18, the axis of the straight section 1702 is parallel to the sliding direction of the trigger 6, and the moving track of the rotating shaft 19 coincides with the straight section 1702. The purpose is that the pushing block 15 can drive the trigger piece 6 to move, or the trigger piece 6 can push the pushing block 15 to move, so as to drive the shifting needle 16 to move, so as to drive the movable guide rail 102 to move, thereby ensuring that all the components can be linked with each other.

Referring to fig. 15, the snap-in groove 1501 of the pushing block 15 is provided with a spring plate 1502 at the side, so that the needle 16 can conveniently enter the snap-in groove 1501 after passing over the spring plate 1502.

Referring to fig. 1 to 19, the separation guiding assembly includes a limit pin 20 disposed at an end of the limit tap lever 901 and a separation guiding groove 21 disposed on the driving rod 7 for guiding the movement of the limit pin 20. In the above structure, when the driving rod 7 moves backwards, the limit pin 20 enters the guide separation groove 21 from the rear end opening of the guide separation groove 21, and along with the movement of the driving rod 7, the guide separation groove 21 guides the limit pin 20 to move on the path of the guide separation groove 21, and the limit pin 20 drives the limit tap lever 901 to overcome the elastic force of the limit torsion spring 902 to swing, so that the limit tap lever 901 is separated from the trigger 6; when the driving rod 7 moves forward, the limiting poke rod 901 can be prompted to limit the trigger 6 in combination with the elasticity of the limiting torsion spring 902.

Referring to fig. 17, the guide separation groove 21 includes a linear guide separation groove 2101 at the front end and a slanted guide separation groove 2102 at the rear end; the rear end of the inclined guide and release groove 2102 is provided with an opening for guiding the stopper pin 20, and the inclined guide and release groove 2102 is inclined forward in a direction gradually away from the trigger 6. Its aim at, can incline form guide disengagement groove 2102 can guide spacing round pin axle 20 well and keep away from trigger 6, and then drive spacing poker rod 901 and trigger 6 separation.

Referring to fig. 1 to 19, a bump 9011 is disposed on one end of the limiting poke rod 901 away from the limiting pin 20, a limiting stopper 22 is disposed on the mounting seat 4, and the bump 9011 abuts against the limiting stopper 22 under the elastic force of the limiting torsion spring 902. The rear end of the trigger 6 is provided with a limiting groove 601, and under the elastic action of the limiting torsion spring 902, the end of the limiting poke rod 901 extends into the limiting groove 601. Through setting up above-mentioned mechanism, the degree of depth that spacing poker rod 901 stretched into spacing groove 601 can be injectd to lug 9011 and limit stop 22, has guaranteed that spacing poker rod 901 only spacing trigger 6 in the front and back direction, when spacing poker rod 901 and trigger 6 took place to separate, has made things convenient for the slip of trigger 6.

Referring to fig. 18 to 19, the bounce guide groove 12 includes a first rectilinear guide groove 1201 at a front end, a snap-in guide groove 1202 at a middle portion, a withdrawal guide groove 1203, and a second rectilinear guide groove 1204 at a rear end; the hanging and buckling part 13 is located between the buckling-in guide groove 1202 and the buckling-out guide groove 1203; the front end of the snap-in guide groove 1202 is communicated with the first rectilinear guide groove 1201, and the rear end is communicated with the second rectilinear guide groove 1204; the front end of the withdrawal guide groove 1203 communicates with the first rectilinear guide groove 1201, and the rear end communicates with the second rectilinear guide groove 1204. In the above structure, when the drawer is closed, the driving rod 7 moves backwards, so as to drive the hook 11 to enter from the first rectilinear guide groove 1201, and then enter the second rectilinear guide groove 1204 under the guidance of buckling into the guide groove 1202, and when the trigger 6 is separated from the limiting mechanism 9, the hook 11 is buckled at the rear end of the buckling part 13 under the action of the rebound spring 10; when the press is required to bounce, the hook 11 enters the exit guide groove 1203, and then returns to the first linear guide groove 1201 from the exit guide groove 1203, and finally returns to the initial state. By adopting the structure, the function of pressing and rebounding the drawer is realized.

Referring to fig. 18 to 19, the axis of the first rectilinear guide groove 1201 is not collinear with the axis of the second rectilinear guide groove 1204, and the front end of the hanging buckle part 13 is provided with a guide inclined surface 12021 for guiding the hook 11 on the first rectilinear guide groove 1201 into the buckling guide groove 1202; the rear end of the hanging buckle part 13 is provided with a ">" shaped hook groove 12022. The ">" shaped hook groove 12022 can play a role of hooking and buckling the hook 11, and the position of hooking and buckling of the ">" shaped hook groove 12022 is staggered with the axis of the second linear guide groove 1204 by combining the non-collinear axes of the first linear guide groove 1201 and the second linear guide groove 1204, so that the hook 11 is guided to enter and exit the guide groove 1203, and the hooking and rebounding functions of the hook 11 are realized.

Referring to fig. 17, the driving rod 7 is provided with a mounting groove 701, the mounting groove 701 is provided with an arc-shaped opening groove 702, the front end of the hook 11 is rotatably connected to the bottom surface of the mounting groove 701, and the rear end of the hook extends into the rebounding guide groove 12 from the arc-shaped opening groove 702. The purpose of adopting the above structure is to enable the hook 11 to rotate on the driving rod 7, so that the hook 11 can smoothly move on the rebounding guide groove 12. The mounting groove 701 is further provided with a mounting plate 703 to prevent the hook 11 from coming out of the mounting groove 701.

With reference to fig. 1-14 and 17, the synchronization means 3 are used to cause the synchronous movement of the driving rods 7 of the two rebounding means 2; the synchronizing device 3 comprises a synchronizing rod 301 and synchronizing assemblies arranged on two sides of the synchronizing rod 301, and the two synchronizing assemblies are respectively arranged on the mounting seats 4 of the two rebounding devices 2; the synchronizing assembly comprises a synchronizing cam 302 rotatably arranged on the mounting seat 4, a synchronizing pin shaft 303 arranged on the synchronizing cam 302 and a synchronizing torsion spring 304; one end of the synchronous torsion spring 304 acts on the mounting seat 4, the other end of the synchronous torsion spring acts on the synchronous cam 302, and the synchronous cam 302 is connected with the synchronous rod 301; a limiting groove 23 is formed in the mounting seat 4, and the synchronous cam 302 causes the convex part of the synchronous cam 302 to be clamped in the limiting groove 23 under the elastic force of the synchronous torsion spring 304; the driving rod 7 is provided with a synchronous guiding groove 24 for guiding the movement of the synchronous pin shaft 303. In the structure, when the drawer is closed, the hook 11 just buckles the buckling part 13, and at the moment, the synchronous pin shaft 303 just contacts with the synchronous guide groove 24 of the drive rod 7; when the drawer is pressed to rebound, when the trigger piece 6 moves to the limit position, the driving rod 7 also moves backwards, the synchronous guide groove 24 on the driving rod 7 guides the synchronous pin shaft 303 to move, the synchronous cam 302 is driven to overcome the synchronous torsion spring 304 to move, and the synchronous pin shaft 303 is driven to move along with the continuous backward movement of the driving rod 7; when the hook 11 is separated from the hanging part 13, the forward movement of the driving rod 7 and the elastic force of the synchronous torsion spring 304 drive the synchronous cam 302 to move reversely, and finally the synchronous device 3 returns to the initial mounting state; through setting up synchronizer 3, can guarantee that drawer both sides can pop out in step to make the actuating lever 7 of drawer both sides can not take place to pop out the speed inconsistent and lead to the card dead phenomenon when popping out, improved bounce-back device 2's life.

Referring to fig. 7, the engaging structure includes an engaging block 25 disposed at the front end of the driving rod 7 and an engaging groove 26 disposed at the rear end of the connecting member 8; the engaging block 25 and the engaging groove 26 are connected in a fitting manner. Through setting up the block structure, can realize being connected of actuating lever 7 and connecting piece 8 to realize actuating lever 7 and connecting piece 8 and move together, simultaneously, also be convenient for dismantle actuating lever 7 and connecting piece 8, the dismouting of being convenient for is overhauld.

Referring to fig. 1 to 5, the stationary rail 101 is connected to the mounting base 4 through a bottom plate 27. By providing the base plate 27 so that the rebounding device 2 can be mounted on the base plate 27, the structure becomes very compact.

Referring to fig. 1 to 9, a position adjusting mechanism for adjusting the installation position of the installation base 4 on the bottom plate 27 is arranged on the installation base 4, and the position adjusting mechanism includes an adjusting screw 28 arranged on the installation base 4 and connected with the installation base 4 in a matching manner, and an adjusting gear 29 arranged in the middle of the adjusting screw 28; the bottom plate 27 is provided with two adjusting stoppers 30, the two adjusting stoppers 30 extend upwards into the mounting seat 4, and the two adjusting stoppers 30 are respectively contacted with two ends of the adjusting screw 28. Through the structure, the adjusting gear 29 is rotated by hand to drive the adjusting screw 28 to move, under the action of the two adjusting stop blocks 30, the mounting seat 4 moves relative to the adjusting screw 28, so that the position of the mounting seat 4 is adjusted, and the position adjustment of the rebounding device 2 is realized.

Referring to fig. 1 to 9, the stationary rail 101 is fixedly connected to the base plate 27 by a rivet 31, the mounting seat 4 is connected to the base plate 27 by a screw, and a long hole 2701 is formed in a position of the base plate 27 corresponding to the screw, so that the adjusting mechanism can adjust the position of the rebounding device 2 and fix the rebounding device 2 by the screw.

Referring to fig. 1 to 9, the mounting base 4 is provided with a mounting cover 32, and a position of the mounting cover 32 corresponding to the adjusting gear 29 is provided with an adjusting opening 3201, so that the adjusting gear 29 is exposed on the adjusting opening 3201, which is convenient for adjusting the position of the rebounding device 2, and the mounting cover 32 can also play a role of sealing and protecting components of the rebounding device 2.

Referring to fig. 1 to 14 and 16 to 19, the working principle of the drawer rail assembly with press-rebounding and soft-closing functions is as follows:

when the drawer is closed, the drawer is pushed, the movable guide rail 102 moves along with the drawer, therefore, the movable guide rail 102 can slide backwards relative to the static guide rail 101, the movement of the movable guide rail 102 can drive the driving block 14 on the movable guide rail to move, along with the movement, the driving block 14 can be contacted with the front end of the connecting piece 8, and at the moment, the trigger piece 6 is kept in a static state under the action of the limiting mechanism 9; as the movable guide rail 102 continues to move backwards, the driving block 14 can push the connecting piece 8 to slide backwards on the trigger piece 6, the connecting piece 8 can push the driving rod 7 to slide backwards on the trigger piece 6 when sliding backwards, the backward movement of the driving rod 7 can compress the rebound spring 10, the driving rod 7 can move backwards by overcoming the elastic force of the rebound spring 10, the driving rod 7 can move backwards and drive the hook 11 to move, and as one end of the hook 11 is rotatably connected to the driving rod 7, the hook 11 can move backwards along the rebound guiding groove 12 and continue to move backwards by crossing the buckling part 13; as the connecting piece 8 and the driving rod 7 continue to move backwards, the guiding and separating assembly on the driving rod 7 can guide the limiting poke rod 901 to be far away from the trigger piece 6, the limiting poke rod 901 can overcome the elastic force of the limiting torsion spring 902 to be separated from the trigger piece 6, the trigger piece 6 and the driving rod 7 can pull the trigger piece 6 backwards under the elastic force of the rebound spring 10 and the elastic force of the damping mechanism 5, the trigger piece 6 can move backwards on the mounting seat 4, and the driving rod 7 has a tendency of moving forwards relative to the trigger piece 6; the elastic force of the damping mechanism 5 also drives the trigger piece 6 to move backwards, and the trigger piece 6 and the driving rod 7 generate certain relative motion by combining the action of the rebound spring 10, so that the hook 11 can be instantly hung on the hanging buckle part 13, at the moment, the synchronizing device 3 just contacts with the driving rod 7, the pushing on the drawer is stopped, and the soft closing function of the drawer is realized.

When the drawer needs to be opened, the drawer is pressed, the movable guide rail 102 moves backwards along with the drawer to drive the driving block 14 to move backwards, the driving block 14 drives the connecting piece 8 and the driving rod 7 to slide backwards on the trigger piece 6, and the driving rod 7 can drive the synchronizing device 3 to move at the same time; under the action of the rebound spring 10, the driving rod 7 can push the trigger 6 to move backwards, when the trigger 6 moves backwards on the mounting seat 4 to a limit position (the rear end of the trigger 6 is abutted against the end part of the mounting seat 4), the trigger 6 stops moving, the driving block 14 drives the connecting piece 8 and the driving rod 7 to continue moving backwards, the rebound spring 10 is compressed, the hook 11 can be separated from the hanging and buckling part 13, when the hand is released, the rebound spring 10 extends, the huge elastic force of the rebound spring 10 drives the driving rod 7 and the connecting piece 8 to rebound forwards, the elastic force of the damping mechanism 5 is overcome, and under the inertia effect of the driving rod 7 and the connecting piece 8, the trigger 6 is driven to move forwards, so that the rebound mechanism returns to an initial state; in the above process, the driving rod 7 moves forward, so that the guiding separation assembly of the driving rod 7 can be separated from the limiting poking rod 901, when the trigger piece 6 also moves forward to cross the limiting poking rod 901, the elasticity of the limiting torsion spring 902 causes the limiting poking rod 901 to clamp the trigger piece 6, and the trigger piece 6 is kept in an initial state; the connecting piece 8 drives the driving block 14 to move forwards in the forward movement process, and drives the movable guide rail 102 to move forwards, and finally, the drawer is opened in a rebounding mode; in the process of pressing rebound, the driving rods 7 also drive the synchronizing device 3 to move, and synchronous motion of the driving rods 7 on the two sides can be guaranteed when the rebound is pressed.

Example 2

Referring to fig. 20, the other structure of the present embodiment is the same as embodiment 1, except that a guide slope 1502 is provided at the front end of the catching groove 1501 of the pushing block 15 in the present embodiment, so that the setting pin 16 is caught in the catching groove 1501.

The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims (10)

1. A drawer guide rail device with pressing rebound and soft closing functions is characterized by comprising guide rail mechanisms arranged at two sides of a drawer, a rebound device arranged on each guide rail mechanism and a synchronous device for driving the rebound devices at two sides to synchronously move; wherein the content of the first and second substances,

the guide rail mechanism comprises a static guide rail and a movable guide rail which is arranged on the static guide rail and moves relative to the static guide rail;

the rebounding device comprises a mounting seat arranged on the static guide rail, a rebounding mechanism arranged in the mounting seat, a damping mechanism and a triggering mechanism which is arranged on the movable guide rail and used for triggering the rebounding mechanism;

the rebounding mechanism comprises a triggering piece, a driving rod, a connecting piece, a limiting mechanism, a rebounding spring and a hook, wherein the triggering piece is arranged on the mounting seat in a sliding mode, the driving rod and the connecting piece are arranged on the triggering piece in a sliding mode, the limiting mechanism is arranged on the mounting seat and used for limiting the triggering piece, the rebounding spring is arranged on the triggering piece, and the hook is rotatably arranged on the driving rod; the sliding directions of the trigger piece, the driving rod and the connecting piece are the same as the sliding direction of the movable guide rail; one end of the rebound spring acts on the rear end of the driving rod, and the other end of the rebound spring acts on the rear end of the trigger piece; the front end of the driving rod is connected with the rear end of the connecting piece through a clamping structure; the limiting mechanism comprises a limiting poke rod hinged to the mounting seat and a limiting torsion spring acting on the limiting poke rod and the mounting seat, and the elastic force of the limiting torsion spring enables the limiting poke rod to be clamped into the trigger piece; the driving rod and the limiting poke rod are provided with guide separation components for guiding the limiting poke rod to be separated from the trigger piece; the trigger piece is provided with a rebounding guide groove, the rebounding guide groove is provided with a hanging and buckling part, and the rebounding guide groove is used for guiding the hook to be hung and buckled on the hanging and buckling part and guiding the hook to be separated from the hanging and buckling part;

the front end of the damping mechanism acts on the middle part of the trigger piece, and the rear end of the damping mechanism acts on the rear end of the mounting seat;

the trigger mechanism comprises a driving block arranged on the movable guide rail; in the process of closing the drawer, the movable guide rail moves backwards, and the driving block is contacted with the front end of the connecting piece;

the synchronous device is used for causing the driving rods in the two rebounding devices to move synchronously.

2. The drawer guide rail device with press rebounding and soft closing functions as claimed in claim 1, wherein a pushing block is arranged between the trigger member and the mounting seat, one end of the pushing block is rotatably connected with the middle part of the trigger member, and the other end of the pushing block is slidably and rotatably connected with the mounting seat; the movable guide rail is provided with a poking needle, the pushing block is provided with a clamping groove, and the lower end of the poking needle can be clamped into the clamping groove.

3. The drawer rail assembly with press bounce and soft close functions as claimed in claim 1, wherein the guide separation assembly comprises a limit pin disposed at an end of the limit toggle lever and a guide separation groove disposed on the driving lever for guiding the movement of the limit pin.

4. The drawer rail assembly with press-rebounding and soft-closing functions according to claim 1, wherein the rebounding guide groove comprises a first rectilinear guide groove at a front end, a snap-in guide groove at a middle portion, a pull-out guide groove, and a second rectilinear guide groove at a rear end; the hanging and buckling part is positioned between the buckling-in guide groove and the buckling-out guide groove; the front end of the buckling guide groove is communicated with the first linear guide groove, and the rear end of the buckling guide groove is communicated with the second linear guide groove; the front end of the exit guide groove is communicated with the first linear guide groove, and the rear end of the exit guide groove is communicated with the second linear guide groove.

5. The drawer rail device with press-rebounding and soft-closing functions according to claim 1, wherein the damping mechanism comprises a damper and a damping spring which are arranged in parallel, wherein a front end of the damper acts on a middle portion of the trigger member, and a rear end of the damper acts on the mounting seat; the front end of the damping spring acts on the middle part of the trigger piece, and the rear end of the damping spring acts on the mounting seat.

6. The drawer rail assembly with press rebounding and soft closing functions according to claim 1, wherein the synchronization device comprises a synchronization rod and synchronization assemblies disposed at both sides of the synchronization rod, the two synchronization assemblies are respectively mounted on the mounting seats of the two rebounding devices; the synchronous assembly comprises a synchronous cam rotatably arranged on the mounting seat, a synchronous pin shaft arranged on the synchronous cam and a synchronous torsion spring; one end of the synchronous torsion spring acts on the mounting seat, the other end of the synchronous torsion spring acts on the synchronous cam, and the synchronous cam is connected with the synchronous rod; the mounting seat is provided with a limiting groove, and the synchronous cam enables the convex part of the synchronous cam to be tightly propped against the limiting groove under the elasticity of the synchronous torsion spring; and the driving rod is provided with a synchronous guide groove for guiding the synchronous pin shaft to move.

7. The drawer rail assembly with press rebounding and soft closing functions of claim 1, wherein the engaging structure comprises an engaging block disposed at a front end of the driving rod and an engaging groove disposed at a rear end of the connecting member; the clamping block and the clamping groove are connected in a matched mode.

8. The drawer rail assembly with press-rebounding and soft-closing functions as claimed in claim 2, wherein said mounting seat is provided with a guide groove for guiding the movement of said pushing block, said guide groove comprising a circular arc section at a front end and a straight section at a rear end.

9. The drawer rail assembly with press bounce and soft close features of claim 1 wherein the stationary rail is connected to the mounting base by a base plate.

10. The drawer rail device with press rebound and soft closing functions as claimed in claim 9, wherein the mounting seat is provided with a position adjusting mechanism for adjusting a mounting position of the mounting seat on the bottom plate, the position adjusting mechanism comprises an adjusting screw rod arranged on the mounting seat and an adjusting gear arranged in the middle of the adjusting screw rod; the bottom plate is provided with two adjusting stop blocks, the two adjusting stop blocks extend upwards into the mounting seat, and the two adjusting stop blocks are respectively contacted with two ends of the adjusting screw rod.

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