CN112932119A - Drawer slide rail interlocking device with additional buffering function - Google Patents

Abstract

The invention discloses a drawer slide rail interlocking device with additional buffer function, which comprises an outer rail, an inner rail, a linkage block, an interlocking buffer seat, an interlocking upper slide block, an interlocking lower slide block, one or more limiting rods, an interlocking buffer slide block, a hook block and other components, wherein when a drawer is opened, the fifth blocking end of an upper guiding inclined block of the interlocking buffer slide block is abutted against the first blocking end of the interlocking upper slide block, the sixth blocking end of a lower guiding inclined block is abutted against the third blocking end of the interlocking lower slide block, so that the interlocking upper slide blocks and the interlocking lower slide blocks can not be interlocked to achieve the locking effect, other drawers can not be opened to avoid the situation that two or more drawers are opened to topple simultaneously, the rear side of the interlocking buffer slide block is integrally provided with the upper guiding inclined block and the lower guiding inclined block, and the interlocking function of interlocking upper slide block and interlocking lower slide block interlocking action is realized, but also has the advantages of buffering function, avoiding shaking, less components, small volume and no space occupation when the drawer is closed.

Description

Drawer slide rail interlocking device with additional buffering function

[ technical field ] A method for producing a semiconductor device

The invention discloses a drawer slide rail interlocking device with an additional buffering function, and relates to a drawer slide rail interlocking device which is arranged on the inner wall of a cabinet body, and when one drawer is opened, other drawers are locked so as to avoid the danger of inclination and even toppling caused by simultaneously opening two or more drawers, and has the buffering function of closing the drawers and the additional buffering function of avoiding shaking or noise.

[ background of the invention ]

When the cabinet body used in the prior art is provided with two or more drawers in a vertical direction in cooperation with the drawer slide rails, if the load of articles borne by the drawers is too heavy, the cabinet body is easy to incline and even topple, so that the accident of injury is caused, and the safety is influenced; in addition, when the drawer is closed, the speed is too high, so that the shaking or noise is generated, and the related components are easy to damage after long-time use.

Checking the new type of interlocking device of slide rail No. M387582 of Taiwan province, China, mainly connecting with other interlocking devices through a cable, the interlocking device is to set a slide block and a rotary disc on a fixed seat, a block is set on the rotary disc, the slide block and the block are connected with the rotary disc through a second spring to form linkage; the stop block is connected with a pulley of a slide rail, the slide block is connected with the cable, the stop block, the rotary table and the slide block can be synchronously driven to actuate when the slide rail slides outwards, and the cable is tensioned by the slide block to lock the efficacy of other interlocking devices when the pulley is separated from the stop block.

In addition, some manufacturers use a link type to connect adjacent drawers together by a link, and when one drawer is opened or closed, the other drawer is locked by the link. However, the drawer is composed of a plurality of connecting rods, which are connected with a plurality of components and are too complex to assemble, thereby increasing the weight and manufacturing cost of the drawer and being easy to malfunction, and the situation of shaking or noise is easy to occur when the drawer is closed, which needs to be improved.

[ summary of the invention ]

The invention mainly aims to provide a drawer slide rail interlocking device with an additional buffering function, wherein an upper guiding inclined block and a lower guiding inclined block are integrally arranged at the rear side of an interlocking buffering slide block, so that the interlocking device not only has the interlocking function of interlocking the upper slide block and the lower slide block in a linkage manner to perform interlocking action, but also has the advantages of buffering action, avoiding jitter or noise generation and reducing component damage when a drawer is closed, and has the practicability of saving components, small size, no occupied space and convenience in flexible application.

It is another object of the present invention to provide a drawer slide interlock device with additional buffering function, which can prevent two or more drawers from being opened simultaneously and from tilting or falling due to unstable load center of gravity, and relatively improve safety.

Still another objective of the present invention is to provide an interlocking device for a drawer slide rail with an additional buffering function, wherein the interlocking upper slide block and the limiting rod are linked to slide upwards along the lower guiding inclined plane of the interlocking upper slide block by the upper guiding inclined block of the interlocking buffering slide block, or the interlocking lower slide block and the limiting rod are linked to slide downwards along the upper guiding inclined plane of the interlocking lower slide block by the lower guiding inclined block of the interlocking buffering slide block, so as to achieve the effect of smooth and correct linking action.

Another objective of the present invention is to provide an interlocking device for a drawer slide rail with an additional buffering function, wherein when assembling, the interlocking upper slide block can be conveniently installed in the upper slide groove of the interlocking buffering seat and can be prevented from being separated by the first blocking end being blocked by the upper blocking portion of the interlocking buffering seat, and the interlocking lower slide block can be conveniently installed in the lower slide groove of the interlocking buffering seat and can be prevented from being separated by the second blocking end being blocked by the lower blocking portion of the interlocking buffering seat.

The invention adopts the following technical scheme:

a drawer slide interlock with added cushioning, comprising:

the outer rail is fixed on the inner wall of the cabinet body, and the rear side of the outer rail is respectively provided with a first positioning hole and a positioning convex card;

an inner rail movably arranged on the outer rail and capable of sliding in the front and rear directions relative to the outer rail,

the inner rail is combined with one side wall of the drawer;

a linkage block fixed at the rear end of the inner rail and having a linkage part;

an interlocking buffer seat, whose rear part is provided with a slot for engaging and positioning with the positioning convex card of the outer rail, and whose front part is provided with a second positioning hole for riveting and fixing with a first positioning hole of the outer rail through a rivet, so that the interlocking buffer seat is combined and fixed at the rear side of the outer rail, and whose rear upper and lower sides are respectively provided with an upper chute and a lower chute, the adjacent wall surface at the rear side of the upper chute forms an upper stop part, and the adjacent wall surface at the rear side of the lower chute forms a lower stop part, the interlocking buffer seat is further provided with an upper locking groove communicated with the upper chute and a lower locking groove communicated with the lower chute, the middle of the interlocking buffer seat forms a rail, the rear side of the rail is provided with an accommodating groove for installing a buffer cylinder, the front side of the rail forms a linear guide groove in the front-back direction, the front end of the linear guide groove is communicated with a clamping groove, and the upper side of the interlocking buffer seat is provided with a first positioning part for connecting with one end of a first spring, the lower sides of the interlocking buffer seats are respectively provided with a second positioning part used for being connected with one end of a second spring;

an interlocking upper slide block, comprising an upper slide block body and an upper limiting block combined on the front face of the upper slide block body, wherein the upper slide block body can slide up and down reciprocally relative to the upper chute of the interlocking buffer seat, and can slide along the upper and lower linear directions of the upper locking groove of the interlocking buffer seat by the upper limiting block;

an interlocking lower slide block, comprising a lower slide block body and a lower limit block combined on the front face of the lower slide block body, wherein the lower slide block body can slide in a reciprocating manner in the up and down directions relative to a lower sliding groove of the interlocking buffer seat, and can slide along the up and down linear directions of a lower locking groove of the interlocking buffer seat by the lower limit block;

one or more limiting rods, wherein two ends of each limiting rod are respectively embedded into the upper caulking groove of the upper limiting block fixed on the interlocking upper sliding block and the lower caulking groove of the lower limiting block fixed on the interlocking lower sliding block, so that each limiting rod can be connected with the interlocking upper sliding block and the interlocking lower sliding block;

an interlocking buffer slide block which is provided with an inner slide groove to be sleeved on the track of the interlocking buffer seat correspondingly and slide back and forth relative to the front and back directions of the track, and the back side of the interlocking buffer slide block is respectively provided with an upper guide inclined block and a lower guide inclined block at the upper and lower parts, the upper part of the upper guide inclined block is provided with a fifth blocking end, the lower part of the lower guide inclined block is provided with a sixth blocking end, when the interlocking buffer slide block slides forwards, the upper guide inclined block is linked with the interlocking upper slide block to slide upwards along the lower guide inclined plane of the interlocking upper slide block through the upper guide inclined block, the interlocking upper slide block and the limiting rod relatively slide upwards until the fifth blocking end is adjacent to the first blocking end of the interlocking upper slide block, and the interlocking lower slide block is linked with the upper guide inclined plane of the interlocking lower slide block to slide downwards through the lower guide inclined block and the limiting rod relatively slides downwards, until the sixth blocking end of the lower guide inclined block is abutted to the third blocking end of the interlocking lower sliding block, the interlocking buffer sliding block is provided with a connecting groove for connecting the front end of the cylinder shaft of the buffer cylinder, in addition, a pivoting groove and a through groove are arranged in front of the interlocking buffer sliding block at intervals, a third positioning part is arranged on the upper side of the interlocking buffer sliding block for connecting with the other end of the first spring, and a fourth positioning part is arranged on the lower side of the interlocking buffer sliding block for connecting with the other end of the second spring;

a hook block, a pin joint block is arranged at the rear side of the hook block and is used for pin joint with the pin joint groove of the interlocking buffer slide block, the hook block is provided with a first hook part, the first hook part extends into the through groove of the interlocking buffer slide block and can be linked by the linkage part of the linkage block to enable a second hook part arranged at one side of the hook block to slide along the front and back direction of the linear guide groove of the interlocking buffer seat and to be clamped or separated from the clamping groove of the interlocking buffer seat.

The rear side of the lower block of the interlocking upper slide block is provided with an upper open slit to form the second blocking end, and the rear side of the upper block of the interlocking lower slide block is provided with a lower open slit to form the fourth blocking end.

The invention has the technical effects that:

1. the rear side of the interlocking buffer slide block is integrally provided with an upper guide inclined block and a lower guide inclined block, so that the interlocking buffer slide block has the interlocking function of interlocking the upper slide block and the lower slide block in a linkage manner, has the advantages of buffering action, avoiding shaking or noise generation and reducing component damage when the drawer is closed, and has the practicability of saving components, small size and small space occupation and convenient flexible application.

2. Because the opened drawer makes the fifth blocking end of the upper guiding inclined block of the interlocking buffer slide block abut against the first blocking end of the interlocking upper slide block, and the sixth blocking end of the lower guiding inclined block abuts against the third blocking end of the interlocking lower slide block, the interlocking upper slide blocks and the interlocking lower slide blocks can not be interlocked to achieve the locking effect, other drawers can not be opened, the dangerous situation that the gravity center of a load is unstable to incline or even incline because two or more drawers are opened at the same time is avoided, and the safety is relatively improved.

3. The interlocking upper sliding block and the limiting rod are linked to slide upwards along the lower guiding inclined plane of the interlocking upper sliding block through the upper guiding inclined block of the interlocking buffering sliding block, or the interlocking lower sliding block and the limiting rod are linked to slide downwards along the upper guiding inclined plane of the interlocking lower sliding block through the lower guiding inclined block of the interlocking buffering sliding block, and therefore the effect of stable, smooth and correct linking action is achieved.

4. The rear side of the lower block of the interlocking upper sliding block is provided with an upper open slit to form the second blocking end, the rear side of the upper block of the interlocking lower sliding block is provided with a lower open slit to form the fourth blocking end, so that the interlocking upper sliding block can be conveniently arranged in the upper chute of the interlocking buffer seat and can be prevented from being separated by the first blocking end being blocked by the upper blocking part of the interlocking buffer seat during assembly, and the interlocking lower sliding block can be conveniently arranged in the lower chute of the interlocking buffer seat and can be prevented from being separated by the second blocking end being blocked by the lower blocking part of the interlocking buffer seat.

The details will be described later with reference to the drawings.

[ description of the drawings ]

FIG. 1 is a perspective view of an embodiment of the present invention with parts exploded (the spring is not shown in this view);

FIG. 2 is a plan assembly view of an embodiment of the invention (the spring is not shown in this view);

FIG. 3 is a perspective view of an interlocking cushion mount, an interlocking upper slide block, an interlocking lower slide block, an interlocking cushion slide block, a hook block, a spring, and a cushion cylinder according to an embodiment of the present invention;

FIG. 4 is an exploded perspective view of an embodiment of the present invention;

FIG. 5 is another perspective view of an interlock cushion mount, interlock upper slide, interlock lower slide, interlock cushion slide, hook block, spring, and cushion cylinder of an embodiment of the present invention;

FIG. 6 is another perspective exploded view of the interlocking cushion mount, interlocking upper slide, interlocking lower slide, interlocking cushion slide, hook block, spring and cushion cylinder of an embodiment of the present invention;

FIG. 7 is another angular perspective view of the inner rail in accordance with an embodiment of the present invention;

FIG. 8 is another perspective view of the linkage block of the inner track according to the embodiment of the present invention;

FIG. 9 is a schematic plan view of a portion of a section of a cabinet in which the embodiment of the present invention is installed (the damping cylinder and the spring are not shown in this figure);

FIG. 10 is a schematic view of the embodiment of the present invention installed on a partial cross-section plane of a cabinet (the damping cylinder and the spring are not shown in this figure);

FIG. 11 is an enlarged, fragmentary, plan view of an embodiment of the invention in which the drawer is in a closed position (springs and restraining bar not shown in this view);

FIG. 12 is a partial perspective plan view of FIG. 11 (with the second hook portion of the hook block spaced from the rear side of the linear guide slot of the interlock cushion seat);

FIG. 13 is a schematic view of a partial plan view of an enlarged operation of the embodiment of the present invention (the spring and the restraining bar are not shown in this figure);

FIG. 14 is a partial perspective plan view of FIG. 13 (with the second hook portion of the hook block spaced from the rear side of the linear guide slot of the interlock cushion seat);

FIG. 15 is another partial plan view of an embodiment of the present invention (springs and restraining rods not shown in this view);

FIG. 16 is a partial perspective plan view of FIG. 15 (with the second hook portion of the hook block positioned forward of the linear guide slot of the interlock cushion seat);

FIG. 17 is an enlarged plan view of a portion of the linkage block away from the hook block (the spring and the limiting rod are not shown in this figure) according to the embodiment of the invention;

FIG. 18 is a partial perspective plan view of FIG. 17 (the second hook portion of the hook block is engaged with the engaging groove of the interlocking cushion seat);

FIG. 19 is an enlarged view of a portion of the assembled cross-section of FIG. 9;

fig. 20 is a partially enlarged view of fig. 10.

In the figures, the reference numerals are as follows:

1-interlocking cushion socket; 10-a card slot; 101-a second positioning hole; 102-a rivet; 11-upper chute; 111-upper stop; 12-lower chute; 121-lower blocking part; 13-locking positioning groove; 14-lower locking groove; 15-track; 151-accommodating groove; 16-a cushion cylinder; 161-cylinder shaft; 17-linear guide groove; 171-a detent groove; 181 — first positioning portion; 182 — a second positioning portion; 2-interlocking the upper slide block; 21-upper sliding block body; 211-lower guide groove; 2111 — lower guide ramp; 212 — lower stop; 2121-second blocking end; 2122-open slit on; 213 — first stop end; 22-upper limit block; 221, embedding a groove; 3-interlocking lower slide block; 31-lower slider body; 311-upper guide groove; 3111 — upper guide ramp; 312 — an upper stop; 3121-fourth gear end; 3122 opening a slit; 313 — third gear end; 32-a lower limiting block; 321-lower caulking groove; 4-interlocking buffer slide blocks; 41-inner chute; 42-upper guide oblique block; 421 — fifth gear end; 43-lower guide ramp; 431-sixth gear end; 44-connecting groove; 45-pivoting groove; 46-through slot; 47 — a third locator; 48-a fourth locator; 5, hooking; 51-a pivot block; 52-first hook; 53-second hook; 61-outer rail; 611 — a first positioning hole; 612-positioning convex card; 62-inner rail; 621-linkage block; 6211-linkage part; 7, a cabinet body; 70-inner wall; 71-a first spring; 72-a second spring; 8-limiting rod.

[ detailed description ] embodiments

The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1 to 7, the present invention provides a drawer slide interlock device with additional buffering function, comprising:

an outer rail 61 fixed on the inner wall 70 of the cabinet 7 (as shown in fig. 9), and having a first positioning hole 611 (as shown in fig. 1) and a positioning protrusion 612 (as shown in fig. 1) at the rear side thereof, respectively;

an inner rail 62 movably disposed on the outer rail 61 and capable of sliding in a front and rear direction with respect to the outer rail 61, the inner rail 62 being combined with a sidewall of a drawer (not shown);

an interlocking block 621 fixed to the rear end of the inner rail 62 and having an interlocking portion 6211;

an interlocking buffer seat 1 (as shown in fig. 4 and 6), which is provided with a locking slot 10 (as shown in fig. 1) at the rear for engaging with the positioning protrusion 612 (as shown in fig. 1) of the outer rail 61 for positioning, and is provided with a second positioning hole 101 (as shown in fig. 1) at the front for riveting with the first positioning hole 611 of the outer rail 61 by a rivet 102, so that the interlocking buffer seat 1 is combined and fixed at the rear side of the outer rail 61, and is provided with an upper sliding slot 11 (as shown in fig. 6) and a lower sliding slot 12 (as shown in fig. 4) at the upper and lower sides at the rear, respectively, the adjacent wall surface at the rear side of the upper sliding slot 11 forms an upper stopping part 111 (as shown in fig. 19), and the adjacent wall surface at the rear side of the lower sliding slot 12 forms a lower stopping part 121 (as shown in fig. 19), the interlocking buffer seat 1 is further provided with an upper locking groove 13 (as shown in fig. 4) communicating with the upper sliding slot 11 and a lower locking groove 14 (as shown in fig. 4) communicating with the lower sliding, a rail 15 is formed in the middle of the interlocking cushion seat 1, a receiving groove 151 (shown in fig. 6) is formed at the rear side of the rail 15 for receiving a cushion cylinder 16 (such as an oil pressure cushion cylinder or an air pressure cushion cylinder), a linear guide groove 17 (shown in fig. 4) is formed at the front side of the rail 15 in the front-rear direction, the front end of the linear guide groove 17 is communicated with a catch groove 171, a first positioning portion 181 (shown in fig. 6) is formed at the upper side of the interlocking cushion seat 1 for connecting with one end of a first spring 71 (shown in fig. 6), and a second positioning portion 182 (shown in fig. 6) is formed at the lower side of the interlocking cushion seat 1 for connecting with one end of a second spring 72;

an interlocking upper slider 2 (as shown in fig. 4 and 6) comprising an upper slider body 21 (as shown in fig. 4) and an upper stopper 22 (as shown in fig. 4) combined on the front surface of the upper slider body 21, wherein the upper slider body 21 can slide back and forth with respect to the upper and lower directions of the upper chute 11 of the interlocking buffer seat 1 and can slide along the upper and lower straight directions of the upper locking groove 13 of the interlocking buffer seat 1 by the upper stopper 22, the upper slider body 21 has a lower guide groove 211 (as shown in fig. 4), the front side of the lower guide groove 211 forms a lower guide slope 2111 (as shown in fig. 4), the front end of the lower guide slope 2111 abuts against a first stopper 213, and the rear side of the lower guide groove 211 extends downward to protrude out of a lower stopper 212, the rear end of the lower stopper 212 forms a second stopper 2121 (as shown in fig. 4, 6 and 19) for stopping or releasing the interlocking upper stopper 111 (as shown in fig. 19) of the interlocking buffer seat 1, the upper limiting block 22 has an upper caulking groove 221 (as shown in fig. 1, 11 and 13);

an interlocking lower slider 3, comprising a lower slider body 31 (as shown in fig. 4) and a lower stopper 32 (as shown in fig. 4) coupled to the front surface of the lower slider body 31, wherein the lower slider body 31 can slide back and forth with respect to the upper and lower directions of the lower chute 12 of the interlocking cushion 1, and can slide along the upper and lower straight directions of the lower locking groove 14 of the interlocking cushion 1 by the lower stopper 32, the lower slider body 31 has an upper guiding groove 311 (as shown in fig. 4), the front side of the upper guiding groove 311 forms an upper guiding inclined surface 3111, the front end of the upper guiding inclined surface 3111 is adjacent to a third stopping end 313, and the adjacent wall surface of the rear side of the upper guiding groove 311 extends upward to protrude out an upper stopping block 312 (as shown in fig. 4), the rear end of the upper stopping block 312 forms a fourth stopping end 3121 (as shown in fig. 4) for stopping or separating from the lower stopping portion 121 (as shown in fig. 19) of the interlocking cushion 1, the lower limiting block 32 has a lower caulking groove 321 (as shown in fig. 1, 11 and 13);

one or more restricting bars 8, each of which is fitted and fixed at both ends thereof into the upper caulking groove 223 of the upper restricting block 22 of the interlocking upper slider 2 and the lower caulking groove 321 of the lower restricting block 32 of the interlocking lower slider 3, respectively, so that each restricting bar 8 can connect the interlocking upper slider 2 and the interlocking lower slider 3;

an interlocking buffer slide block 4 (as shown in fig. 4 and 6) having an inner sliding groove 41 (as shown in fig. 4 and 6) to be slidably sleeved on the rail 15 of the interlocking buffer seat 1 and to slide back and forth with respect to the front and rear directions of the rail 15, an upper guiding inclined block 42 (as shown in fig. 4) and a lower guiding inclined block 43 (as shown in fig. 4) being respectively formed at the upper and lower sides of the rear side of the interlocking buffer slide block 4, a fifth stopping end 421 being formed at the upper side of the upper guiding inclined block 42, and a sixth stopping end 431 being formed at the lower side of the lower guiding inclined block 43, when the interlocking buffer slide block 4 slides forward, namely, the interlocking upper slide block 2 slides upward along a lower guiding inclined surface 2111 (as shown in fig. 4) of the interlocking upper slide block 2 through the upper guiding inclined block 42, and relatively slides upward along the limiting rod 8 until the fifth stopping end 421 abuts on a first stopping end 213 (as shown in fig. 10) of the interlocking upper slide block 2, and simultaneously the lower guiding inclined block 43 moves along the upper guiding inclined surface 3111 of the interlocking lower sliding block 3 to interlock the interlocking lower sliding block 3 to slide downwards, and correspondingly moves downwards along with the limiting rod 8, until the sixth stopping end 431 of the lower guiding inclined block 43 abuts against the third stopping end 313 of the interlocking lower sliding block 3 (as shown in figure 10), and the interlocking cushion slider 4 has a connecting groove 44 (shown in fig. 6) for connecting the front end of the cylinder shaft 161 (shown in fig. 4) of the cushion cylinder 16, in addition, a pivoting slot 45 (shown in FIG. 4) and a through slot 46 (shown in FIG. 4) are provided at intervals in front of the interlocking cushion slider 4, and the upper side of the interlocking cushion slide 4 is provided with a third positioning portion 47 (as shown in fig. 4) for connecting with the other end of the first spring 71, the lower side of the interlocking cushion sliding block 4 is provided with a fourth positioning portion 48 (shown in fig. 4) for connecting with the other end of the second spring 72;

a hook block 5 (as shown in fig. 4), a pivot block 51 (as shown in fig. 4) is disposed at the rear side of the hook block 5 for pivotally connecting with the pivot groove 45 of the interlocking cushion slider 4, and the hook block 5 has a first hook portion 52 (as shown in fig. 4), the first hook portion 52 extends into the through groove 46 of the interlocking cushion slider 4 and can be linked by the linking portion 6211 of the linking block 621, so that a second hook portion 53 (as shown in fig. 4) disposed at one side of the hook block 5 can slide along the front-back direction of the linear guide groove 17 of the interlocking cushion seat 1 and can be engaged with or disengaged from the engaging groove 171 of the interlocking cushion seat 1;

when the drawer slide rail interlocking device with the additional buffering function is implemented, the inner walls 70 (only one of the inner walls is shown in fig. 9-10 of the embodiment) which are symmetrically arranged at the left side and the right side of the cabinet body 7 in pairs are arranged at the left side and the right side, and the drawer slide rail interlocking device with the additional buffering function is arranged at intervals from top to bottom, wherein each inner rail 62 is combined with a drawer (not shown), so that each drawer at intervals from top to bottom can be respectively opened along with the forward sliding of the inner rail 62 or closed along with the backward sliding of the inner rail 62; when all the drawers are in a closed state, the drawer slide rail interlocking device with the additional buffering function is in an unlocked state (as shown in fig. 9) without interlocking locking, and in addition, when all the drawers are in a closed state as shown in fig. 11, one end of the first hook part 52 of the hook block 5 is positioned at the linkage part 6211 of the linkage block 621, and the second hook part 53 of the hook block 5 is positioned at the rear side of the linear guide groove 17 of the interlocking buffering seat 1 (as shown in fig. 12); when one of the lowermost drawers is opened and slid forward together with the inner rail 62, the interlocking portion 6211 of the interlocking block 621 of the inner rail 62 associated with the drawer drives the hook block 5 and the interlocking cushion slider 4 to slide forward (as shown in fig. 13-16), and simultaneously drives the interlocking upper slider 2 and the limiting rod 8 to slide upward along the lower guiding inclined surface 2111 of the interlocking upper slider 2 through the upper guiding inclined block 42 thereof until the fifth blocking end 421 abuts against the first blocking end 213 of the interlocking upper slider 2 (as shown in fig. 20), and the interlocking cushion slider 4 slides forward while also drives the interlocking lower slider 3 and the limiting rod 8 to slide downward along the upper guiding inclined surface 3111 of the interlocking lower slider 3 through the lower guiding inclined block 43 thereof until the sixth blocking end 431 (as shown in fig. 20) of the lower guiding inclined block 43 abuts against the third blocking end 313 of the interlocking lower slider 3 (as shown in fig. 20), at this time, the first hook portion 52 (as shown in fig. 17) of the hook 5 is moved forward (as shown in fig. 17) by the linking block 621, so that the second hook portion 53 of the hook 5 is engaged with the engaging slot 171 of the interlocking buffer seat 1, and the upper side of the limiting rod 8 is synchronously linked to move upward the interlocking lower slider 3 of the adjacent drawer slide interlocking device with additional buffer function (as shown in fig. 10), and the interlocking lower slider 3 also moves upward to move upward the interlocking upper slider 2 above the interlocking lower slider 3, and the interlocking upper slider 2 also moves upward to move upward the interlocking lower slider 3 of the adjacent drawer slide interlocking device with additional buffer function (as shown in fig. 10), and the fifth stopping end 421 of the upper guiding inclined block 42 of the interlocking buffer slider 4 abuts against the first stopping end 213 of the interlocking upper slider 2 due to the opened drawer, the sixth stopping end 431 of the lower guiding inclined block 43 abuts against the third stopping end 313 of the interlocking lower sliding block 3, so that the interlocking upper sliding blocks 2 and the interlocking lower sliding blocks 3 cannot be interlocked to achieve a locking effect, and therefore other drawers cannot be opened, so as to avoid the dangerous situation that two or more drawers are opened simultaneously and inclined or even toppled over, fig. 10 shows that the drawer positioned at the lowest position is opened, and actually, if another drawer slide rail interlocking device with an additional buffering function is adjacent to the drawer slide rail interlocking device below the opened drawer, the interlocking upper sliding block 2 of the drawer slide rail interlocking device with the additional buffering function, which is also interlocked downwards below the limiting rod 8, can also slide downwards to synchronously interlock and lock; when the drawer opened forward as shown in fig. 10 is closed and pushed backward, the interlocking portion 6211 of the interlocking block 621 of the inner rail 62 can interlock with the first hook portion 52 of the hook 5, so that the second hook portion 53 is separated from the latching groove 171 of the interlocking buffer seat 1 (as shown in fig. 16), and the drawer and the combined inner rail 62, together with the interlocking buffer slider 4 and the hook 5, automatically slide backward by the elastic restoring force of the first spring 71 and the second spring 72, and the resistance generated by retracting the cylinder shaft 161 of the buffer cylinder 16 when the interlocking buffer block 4 slides backward is used to reduce and slow the backward sliding speed to have a buffer effect, so as to prevent the drawer from shaking during the backward sliding, and relatively have the advantages of reducing noise, reducing component damage and prolonging the service life, as shown in fig. 13 to 14 and fig. 11 to fig. 12, when the drawer and the inner rail 62 are returned to the original position to complete the closing state (as shown in fig. 9), since the second stopping end 213 of each interlocking upper slide 2 of the drawer slide interlocking device with additional buffering function is adjacent to the fifth stopping end 421 of the interlocking buffering slide 4 due to the gravity of the interlocking upper slide 2, the unlocking state of each interlocking buffering slide 4 which can interlock the interlocking upper slide 2 and the interlocking lower slide 3 is restored, and at this time, each drawer can be selected to be opened outwards.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereby, and the present invention may be modified in materials and structures, or replaced with technical equivalents, in the constructions of the above-mentioned various components. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.

Claims (2)

1. A drawer slide interlock with added cushioning, comprising:

the outer rail (61) is fixed on the inner wall (70) of the cabinet body (7), and the rear side of the outer rail is respectively provided with a first positioning hole (611) and a positioning convex card (612);

an inner rail (62) movably disposed on the outer rail (61) and capable of sliding in the front and rear directions of the outer rail (61), the inner rail (62) being combined with a sidewall of the drawer;

a linkage block (621) fixed to the rear end of the inner rail (62) and having a linkage portion (6211);

a interlocking buffer seat (1), a slot (10) is arranged at the rear part of the interlocking buffer seat for clamping and positioning with a positioning convex card (612) of the outer rail (61), a second positioning hole (101) is arranged at the front part of the interlocking buffer seat and can be riveted and fixed with a first positioning hole (611) of the outer rail (61) through a rivet (102), so that the interlocking buffer seat (1) is combined and fixed at the rear side of the outer rail (61), an upper sliding chute (11) and a lower sliding chute (12) are respectively arranged at the upper side and the lower side at the rear part, an upper blocking part (111) is formed on the adjacent wall surface at the rear side of the upper sliding chute (11), a lower blocking part (121) is formed on the adjacent wall surface at the rear side of the lower sliding chute (12), an upper locking groove (13) communicated with the upper sliding chute (11) and a lower locking groove (14) communicated with the lower sliding chute (12) are further arranged on the interlocking buffer seat (1), and a track (15) is formed in the middle of the interlocking buffer seat (1), the rear side of the rail (15) is provided with an accommodating groove (151) for installing a buffer cylinder (16), the front side of the rail (15) forms a linear guide groove (17) in the front-back direction, the front end of the linear guide groove (17) is communicated with a clamping groove (171), in addition, the upper side of the interlocking buffer seat (1) is provided with a first positioning part (181) for connecting with one end of a first spring (71), and the lower side of the interlocking buffer seat (1) is provided with a second positioning part (182) for connecting with one end of a second spring (72);

an interlocking upper slider (2) comprising an upper slider body (21) and an upper stopper (22) coupled to the front surface of the upper slider body (21), wherein the upper slider body (21) is capable of sliding back and forth in the vertical direction with respect to the upper chute (11) of the interlocking buffer base (1), and the upper stopper (22) is capable of sliding along the vertical linear direction of the upper locking groove (13) of the interlocking buffer base (1), the upper slider body (21) has a lower guide groove (211), the front side of the lower guide groove (211) forms a lower guide slope (2111), the front end of the lower guide slope (2111) is adjacent to a first stopper (213), and the rear side of the lower guide groove (211) extends downward to form a lower protruding stopper (212), the rear end of the lower stopper (212) forms a second stopper (2121) for stopping or separating from the upper stopper (111) of the interlocking buffer base (1), the upper limiting block (22) is provided with an upper caulking groove (221);

an interlocking lower slider (3) comprising a lower slider body (31) and a lower limiting block (32) combined on the front surface of the lower slider body (31), wherein the lower slider body (31) can slide back and forth relative to the upper and lower directions of the lower sliding groove (12) of the interlocking buffer seat (1) and can just slide along the upper and lower linear directions of the lower locking groove (14) of the interlocking buffer seat (1) by the lower limiting block (32), the lower slider body (31) is provided with an upper guide groove (311), the front side of the upper guide groove (311) forms an upper guide inclined plane (3111), the front end of the upper guide inclined plane (3111) is adjacent to a third blocking end (313), the adjacent wall surface of the rear side of the upper guide groove (311) extends upwards to form an upper protruding blocking block (312), the rear end of the upper blocking block (312) forms a fourth blocking end (3121) for blocking or separating from the lower blocking part (121) of the interlocking buffer seat (1), the lower limiting block (32) is provided with a lower caulking groove (321);

one or more limiting rods (8), wherein the two ends of each limiting rod are respectively embedded into and fixed on an upper embedding groove (223) of an upper limiting block (22) of the interlocking upper sliding block (2) and a lower embedding groove (321) of a lower limiting block (32) of the interlocking lower sliding block (3), so that each limiting rod (8) can be connected with the interlocking upper sliding block (2) and the interlocking lower sliding block (3);

an interlocking buffer slide block (4) having an inner sliding slot (41) to be slidably sleeved on the track (15) of the interlocking buffer seat (1) and to slide back and forth relative to the front and rear directions of the track (15), and an upper guiding inclined block (42) and a lower guiding inclined block (43) are respectively formed at the upper and lower sides of the rear side of the interlocking buffer slide block (4), a fifth stopping end (421) is formed above the upper guiding inclined block (42), and a sixth stopping end (431) is formed below the lower guiding inclined block (43), when the interlocking buffer slide block (4) slides forward, the interlocking upper slide block (2) slides upward along the lower guiding inclined plane (2111) of the interlocking upper slide block (2) through the upper guiding inclined block (42), and the limiting rod (8) slides upward relatively until the fifth stopping end (421) abuts on the first stopping end (213) of the interlocking upper slide block (2), meanwhile, the lower guiding inclined block (43) is linked with the interlocking lower sliding block (3) to slide downwards along the upper guiding inclined plane (3111) of the interlocking lower sliding block (3) and relatively slide downwards together with the limiting rod (8) until a sixth blocking end (431) of the lower guiding inclined block (43) is adjacent to a third blocking end (313) of the interlocking lower sliding block (3), the interlocking cushion slider (4) has a connecting groove (44) for connecting the front end of the cylinder shaft (161) of the cushion cylinder (16), in addition, a pivoting groove (45) and a through groove (46) are arranged in front of the interlocking buffer sliding block (4) at intervals, and the upper side of the interlocking buffer slide block (4) is provided with a third positioning part (47) which is used for being connected with the other end of the first spring (71), the lower side of the interlocking buffer slide block (4) is provided with a fourth positioning part (48) which is used for being connected with the other end of the second spring (72);

a hook block (5), the rear side of which is provided with a pivoting block (51) for pivoting with the pivoting groove (45) of the interlocking buffer sliding block (4), and the hook block (5) is provided with a first hook part (52), the first hook part (52) extends into the through groove (46) of the interlocking buffer sliding block (4), and can be interlocked by the interlocking part (6211) of the interlocking block (621) to enable a second hook part (53) arranged at one side of the hook block (5) to slide along the front-back direction of the linear guide groove (17) of the interlocking buffer seat (1) and be clamped or separated from the clamping groove (171) of the interlocking buffer seat (1).

2. The drawer slide interlock with added damping function according to claim 1, wherein the lower stopper (212) of the interlocking upper slider (2) has an upper open slit (2122) at the rear side thereof to form the second stopper (2121), and the upper stopper (312) of the interlocking lower slider (3) has a lower open slit (3122) at the rear side thereof to form the fourth stopper (3121).

Images