CN202858386U

CN202858386U - Double-slider drawer slide rail

Info

Publication number: CN202858386U
Application number: CN201220530834XU
Authority: CN
Inventors: 吴泰维
Original assignee: GUANGDONG TAIMING METAL PRODUCTS CO Ltd
Current assignee: GUANGDONG TAIMING METAL PRODUCTS CO Ltd
Priority date: 2012-10-17
Filing date: 2012-10-17
Publication date: 2013-04-10
Anticipated expiration: 2022-10-17

Abstract

A double-slider drawer slide rail comprises a buffering device and slide rail assembly. The slide rail assembly consists of a bottom rail, a middle rail, and an upper rail. The double-slider drawer slide rail is characterized in that the buffering device is arranged inside of the L-shaped frame of the bottom rail. The buffering device includes a damping frame fixed inside end of the bottom rail, a slide carriage slidingly disposed on the damping frame, and a tension spring and a buffer simultaneously fittingly connected with the damping frame and the slide carriage. The slide carriage comprises a fixed slider and a rotating slider rotatingly and swingingly arranged at the front of the fixed slider. The upper rail and the rotating slider and the connecting pieces thereof pull in opposite direction to elongate elastically. One end of the tension spring is locked into the end of the fixed slider, the other end of the tension spring is locked into the end of the damping frame, and the tension spring is completely wrapped inside of the damping frame. The double-slider drawer slide rail divides the original single slider into two sliders with different functions. The double-slider drawer slide rail has the advantages of stable tension, smooth transition of pulling and pushing of the upper rail, no obvious clash once pushing the upper rail, and being convenient for use and disassembling.

Description

Double-slider drawer slide rail

Technical field

The utility model relates to a kind of double-slider drawer slide rail, belongs to the drawer sliding rail technical field.

Background technology

Drawer sliding rail is to use considerable a kind of parts in the daily life, for example be used for desk or cabinet, disinfection cabinet, or for the storage rack of opening in the apotheca of industry, the cash register in supermarket etc. is similar to stretching and the memory device of closing type of drawer so long as possess, and carries out more conveniently in order to make to open or close, drawer sliding rail is installed in the capital in these equipment, with the frictional force that reduces the drawer operation so that easy to operate.Although drawer sliding rail has made things convenient for people to use the drawer type storage device, but because the frictional force between the slide rail parts is very few, so that drawer can not be located, drawer is too movable when opening or closing, and prescribes a time limit when drawer is opened or closed extremely, and the speed that drawer moves is also higher, very large bump can occur in drawer and cupboard, one to clash into sound larger, and impact is used, two frequently energetically bump can damage drawer or cupboard.Chinese patent literature CN201286481 discloses a kind of damping type slideway device on August 12nd, 2009, include orbit determination, and be installed in moving rail on the orbit determination, be fixed with limited block on the orbit determination, have on the limited block and be provided with the loop position on pilot hole and the pilot hole, buffer stopper also is installed on the limited block, buffer stopper is provided with adjustment hole, be equiped with guide holder on the adjustment hole, the guide holder lower end extends in the pilot hole, buffer stopper can be seated on the limited block glidingly by guide holder and cooperating of pilot hole, also be respectively arranged with damping draw-bar and reset tension spring between buffer stopper and the limited block, moving rail one end adjacent with guide holder has oblique breach so that moving rail when sliding its oblique breach can promote the guide holder upper end.It is said that it is little that it has vibration, slides stably characteristics; Can avoid long-time pull or close, be collided easily and be out of shape, the phenomenon of damaging slide rail occurs.But this design is comparatively complicated, and not easy to assemble.Therefore, be necessary to be further improved.

The utility model content

The purpose of this utility model aims to provide a kind of stability that can improve damping force, and noise is low, the double-slider drawer slide rail of use and easy accessibility, to overcome weak point of the prior art.

A kind of double-slider drawer slide rail by this purpose design, comprise buffer unit and slide track component, slide track component comprises end rail, middle rail and upper rail, its architectural feature is the inboard that buffer unit is arranged on end rail L frame, described buffer unit comprises the damping frame that is fixed on rail the inner, the end, be slidedly assemblied on the damping frame slide and simultaneously with tension spring and the buffer of damping frame and slide assembly connection; Described slide comprises that fixedly slide block and rotation or swing are assemblied in the rotary slider of its front side, the relative realization elastic telescopic that spurs with rotary slider and connector thereof of upper rail.

One end of described tension spring buckles into the fixedly afterbody of slide block, and the other end of stretching tension spring buckles into the afterbody of damping frame, and described tension spring is encapsulated in the damping frame fully; The front end of described buffer is provided with connector, and the connector insertion fixedly interior posterior bumper of slide block is pressed in the damping frame; Described damping frame is provided with a quick detach hole near a side of buffer.

The both sides of rail of the described end are connected with respectively side arm and after-frame, and side arm and after-frame are provided with more than one pilot hole and button bit, and damping frame fastens and is assemblied on the button bit.

The front end of described fixedly slide block stretches out and the vertical slide rail assembly is provided with a bearing pin, and a corresponding side at the close damping frame of rotary slider is provided with a fan-shaped mount pad; Described fan-shaped mount pad rotates or swings to cooperate and is assemblied on the bearing pin, and its bottom is flat plane, and the front side is circular-arc curved surface.

Also be respectively equipped with shell fragment, the first block and the second block on the described rotary slider, and be equipped with the block overcoat that the flexible glue material is made at the outside fit of the first block and the second block, all the other positions of rotary slider are the ebonite material and make; Be provided with forward recess between described shell fragment and the first block, be provided with rearward recess between the first block and the second block; Be provided with a buckle that cooperates assembling with forward recess and rearward recess on the upper rail.

Also be provided with rotation groove and a spacing breach on the described damping frame, when rotary slider slides to the front end of damping frame, when rotary slider did not arrive in the rotation groove, buckle placed in the forward recess or rearward recess of rotary slider; Slide to the front end of damping frame when rotary slider, rotary slider along bevel edge take advantage of a situation slip into the rotation groove in the time, buckle leaves rotary slider, rotary slider is owing to pining down that rotating takes advantage of a situation downwards and slipping into of the bearing pin that is subject to fixing slip front places in the rotation groove, and its fan-shaped mount pad arranged owing to rotate perk and conflict and be arranged on the arc-shaped edges of spacing breach.

When described fixedly slide block and rotary slider slided near the slideway terminal point of damping frame, the upper rail stop bit glue of the fixing assembling of upper rail front end was buckled and is conflicted to end rail front edge, made between the slideway terminal point of fixedly slide block and damping frame and can leave 2-5 millimeter gap.

The utility model has following characteristics owing to adopted said structure:

1. when the upper rail of pulling, the buckle on the upper rail is with in the rotation groove of driven rotary slide block to the damping frame, and at this moment rotary slider is buckled on the damping frame, go up the buckle disengaging rotary slider on the rail, move forward, and finishes the action that double-slider drawer slide rail is opened.

2. under the state that double-slider drawer slide rail is opened, when upper rail is applied a speed, upper rail moves to buckle and rotary slider is collided, rotary slider is rotated or swing and lift, buckle is tipped the rearward recess of rotary slider in, at this moment because buffer and tension spring effect, make the soft motion of rail, buckle and conflict till the end rail front edge until move to rail stop bit glue.

3. be at upper rail and pull out state lower time, when the rotation groove on not damped of the rotary slider is buckled, rotary slider is drawn when returning by tension spring, upper rail is applied a thrust, upper rail will move forward to the flexure strip of rotary slider collides, make buckle cross flexure strip to rotary slider forward recess place, spur again upper rail, at this moment buckle catches on the rotary slider motion, buckle is pulled in the rotation groove of rotary slider to the damping frame, making buckle break away from rotary slider moves forward, and rotary slider is buckled in the rotation groove on the damping frame (when this function can prevent rotary slider the rotation groove on not damped buckles for a certain reason, device still can normally use).

About drawer is put on two double-slider drawer slide rails the time, by above several functions, can realize easily that drawer opening, can be soft, quiet when closed, the motions such as light power make the drawer motion more perfect.

The utility model double-slider drawer slide rail is decomposed into the slide block of two difference in functionalitys with original single sliding block, possesses that pullout forces is stable, upper rail pulls out and advance transition smooth and easy, and when advancing without obvious strike note, use and the characteristics of easy accessibility.

Description of drawings

Fig. 1 is the assembly structure schematic diagram of the utility model one embodiment;

Fig. 2 is the decomposition texture schematic diagram of an embodiment;

Fig. 3 is the fixing structural representation of slide block;

Fig. 4 is the structural representation of rotary slider;

The structural representation of Fig. 5 when to be that the buckle of upper rail is unexpected break away from;

Fig. 6 is A place structure for amplifying schematic diagram among Fig. 5;

Fig. 7 is the fit structure schematic diagram that pushes back rail clip button and rotary slider forward recess;

Fig. 8 is B place structure for amplifying schematic diagram among Fig. 7;

Fig. 9 is C place structure for amplifying schematic diagram among Fig. 7;

Figure 10 is that rotary slider snaps in the structural representation when rotating groove;

Figure 11 is D place structure for amplifying schematic diagram among Figure 10;

Figure 12 is the fit structure schematic diagram that pushes back rail clip button and rotary slider rearward recess;

Figure 13 is E place structure for amplifying schematic diagram among Figure 12;

Figure 14 is that upper rail pushes back the structural representation when finishing;

Figure 15 is F place structure for amplifying schematic diagram among Figure 14.

Among the figure: 1 is end rail, and 1.1 is side arm, and 1.2 is after-frame, and 1.3 is button bit, 2 is upper rail, and 2.1 is buckle, and 2.2 is that upper rail stop bit glue is buckled, and 3 is damping frame, 3.1 be the quick detach hole, 3.2 are the rotation groove, 3.3 is spacing breach, and 4 is rotary slider, 4.1 be fan-shaped mount pad, 4.2 is shell fragment, 4.3 is the first block, and 4.4 is the second block, 4.5 be forward recess, 4.6 is rearward recess, 5 is tension spring, 6 is buffer, and 7 are fixing slide block, and 8 is connector.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Referring to Fig. 1-Fig. 4, a kind of double-slider drawer slide rail, comprise buffer unit and slide track component, slide track component comprises end rail 1, middle rail and upper rail 2, buffer unit is arranged on the inboard of end rail 1L frame, buffer unit comprises the damping frame 3 that is fixed on end rail 1 the inner, be slidedly assemblied on the damping frame 3 rotary slider 4 and fixedly slide block 7 and simultaneously with damping frame 3 and fixedly tension spring 5 and the buffer 6 of slide block 7 assembly connections; One end of tension spring 5 buckles into the fixedly afterbody of slide block 7, the other end of stretching tension spring 5 buckles into the afterbody of damping frame 3, tension spring 5 is encapsulated in the damping frame 3 fully, can prevent effectively that slide track component wood chip or dust in installation process are attached to tension spring 5 and make its inefficacy; The front end of buffer 6 is provided with connector 8, and connector 8 inserts slide 4 internal inner rings 6 and is pressed in the damping frame 3, and is fixing buffer 6.Damping frame is provided with a quick detach hole 3.1 near a side of buffer 6, only needs screwdriver or other types taper article are inserted in the quick detach hole 3.1 of damping frame 3 sides, and buffer 6 is extruded voluntarily, and is for convenience detach.Draw points in tension spring 5 and buffer 6 are the metalwork, other be plastic parts.The draw point of buffer 6 is staight needle, inserts fixedly with connector 8 and moves on the slide block 7, keeps from start to finish draw point and whole buffer unit device on the same straight line, effectively reduces the risk of buffer unit leakage of oil.Rotary slider 4 rotates or swings and is assemblied in the fixedly front side of slide block 7, the relative realization elastic telescopic that spurs with rotary slider 4 and connector thereof of upper rail 2.

The both sides of end rail 1 are connected with respectively side arm 1.1 and after-frame 1.2, and side arm and after-frame are provided with more than one pilot hole and button bit 1.3, and damping frame 3 fastens and is assemblied on the button bit 1.3.

Fixedly the front end of slide block 7 stretches out and the vertical slide rail assembly is provided with a bearing pin 7.1, corresponding is provided with a fan-shaped mount pad 4.1 at rotary slider 4 near a side of damping frames 3; Fan-shaped mount pad 4.1 rotates or swings to cooperate and is assemblied on the bearing pin 7.1, and its bottom is flat plane, and the front side is circular-arc curved surface; This structure is conducive to fan-shaped mount pad 4.1 and conflicts when the rotation groove 3.2 rotation perk of damping frame 3 on the arc-shaped edges of the spacing breach 3.3 that is arranged on damping frame 3.

Also be respectively equipped with shell fragment 4.2, the first block 4.3 and the second block 4.4 on the rotary slider 4, and be equipped with the block overcoat that the flexible glue material is made at the outside fit of the first block 4.3 and the second block 4.4, rotary slider 4 all the other positions are the ebonite material and make; The flexible glue material can guarantee to draw and push through the obvious strike note of Cheng Zhongwu.Be provided with between shell fragment 4.2 and the first block 4.3 between forward recess 4.5, the first blocks 4.3 and the second block 4.4 and be provided with rearward recess 4.6; Be provided with a buckle 2.1 that cooperates assembling with forward recess 4.5 and rearward recess 4.6 on the upper rail 2.

When fixedly slide block 7 and rotary slider 4 slide to slideway terminal point near damping frame 3, the upper rail stop bit glue of the fixing assembling of upper rail 2 front ends is buckled 2.2 and is conflicted to end rail 1 front edge, make between the slideway terminal point of fixedly slide block 7 and damping frame and can leave 2 millimeters gaps, prevent that fixedly slide block 7 strikes the slideway terminal point and breakage.

Operation principle of the present utility model:

Referring to Fig. 5-Fig. 6, buckle 2.1 was contactless with rotary slider 4 when upper rail 2 was pulled out state, namely was at upper rail 2 and pulled out state lower time, and the rotation groove 3.2 of not damped 3 of rotary slider 4 is buckled, and rotary slider 4 is drawn by tension spring 5 and returns.Referring to Fig. 7-Fig. 9, when this pulled out state, upwards rail 2 applied one and pushes back power, and upper rail 2 will move to backward and collude 4.3 with the elasticity of rotary slider 4 and collide, and made buckle 2.1 cross elasticity and colluded 4.3 and contact with forward recess 4.1.Referring to Figure 10-Figure 11, this moment is the upper rail 2 of pulling again, and the forward recess 4.1 that buckle 2.1 catches on rotary slider 4 travels forward.When buckle 2.1 is pulled to that rotary slider 4 is forced to rotate or oscillating motion and snap in the rotation groove 3.2 of damping frame 3 when interior, at this moment buckle 2.1 breaks away from rotary slider 4 continuation motions, simultaneously because the pulling force effect of tension spring 6, fan-shaped mount pad 4.1 is owing to the rotation perk is conflicted and is arranged on the arc-shaped edges of spacing breach 3.3, make rotary slider 4 firm in the rotation groove 3.2 of damping frame 3 by card, keep this state.Continue the upper rail 2 of forward pulling, upper rail 2 can be drawn out fully.Referring to Figure 14-Figure 15, push back rail 2, this moment, rotary slider 4 still was in the state of card jail in the rotation groove 3.2 of damping frame 3, buckle 2.1 and rotary slider 4 are collided, rotary slider 4 is forced in the groove 3.2 rotate or upward swings lifts because sinking into to rotate, buckle 2.1 fastens in the rearward recess 4.2 of rotary slider 4, because the restoring force of under tension spring 5 and the active force of buffer 6, rotary slider 4 will spur buckle 2.1 and continue to push back motion.The restoring force of rotary slider 4 under tension springs 5 and the active force of buffer 6 continue the backward soft motion of the upper rail 2 of pulling, buckles conflict till end rail 1 front edge until move to rail stop bit glue 2.2.

When double-slider drawer slide rail returns to normal closed condition such as Figure 14-shown in Figure 15, rail 2 spurs forward on this moment, rearward recess 4.2 on the buckle 2.1 pulling rotary sliders 4 on the upper rail 2, make rotary slider 4 stressed against damping frame 3 motions, fixedly slide block 7 and connector thereof all relatively are pulled and travel forward simultaneously.Continue the upper rail 2 of forward pulling, when buckle 2.1 rotary sliders 4 are forced to rotate or oscillating motion and snap in the rotation groove 3.2 of damping frame 3 when interior, at this moment buckle 2.1 breaks away from rotary slider 4 continuation motions, simultaneously because the pulling force effect of tension spring 6, fan-shaped mount pad 4.1 is owing to the rotation perk is conflicted and is arranged on the arc-shaped edges of spacing breach 3.3, make rotary slider 4 firm in the rotation groove 3.2 of damping frame 3 by card, keep this state.

The utility model is not only limited to above-mentioned example, and in essential scope of the present utility model, the variation of making, remodeling, increase or replacement also belong to protection domain of the present utility model.

Claims

1. double-slider drawer slide rail, comprise buffer unit and slide track component, slide track component comprises end rail (1), middle rail and upper rail (2), it is characterized in that buffer unit is arranged on the inboard of end rail L frame, described buffer unit comprises the damping frame (3) that is fixed on rail the inner, the end, be slidedly assemblied on the damping frame slide and simultaneously with tension spring (5) and the buffer (6) of damping frame and slide assembly connection; Described slide comprises fixedly slide block (7) and rotation or swings the rotary slider (4) that is assemblied in its front side, the relative realization elastic telescopic that spurs with rotary slider and connector thereof of upper rail.

2. double-slider drawer slide rail according to claim 1, an end that it is characterized in that described tension spring (5) buckles into the fixedly afterbody of slide block (7), the other end of stretching tension spring buckles into the afterbody of damping frame (3), and described tension spring is encapsulated in the damping frame fully; The front end of described buffer (6) is provided with connector (8), and the connector insertion fixedly interior posterior bumper of slide block is pressed in the damping frame; Described damping frame is provided with a quick detach hole (3.1) near a side of buffer.

3. double-slider drawer slide rail according to claim 2, the both sides that it is characterized in that rail of the described end (1) are connected with respectively side arm (1.1) and after-frame (1.2), side arm and after-frame are provided with more than one pilot hole and button bit (1.3), and damping frame (3) fastens and is assemblied on the button bit.

4. each described double-slider drawer slide rail according to claim 1-3, the front end that it is characterized in that described fixedly slide block (7) stretches out and the vertical slide rail assembly is provided with a bearing pin (7.1), correspondingly is provided with a fan-shaped mount pad (4.1) at rotary slider (4) near a side of damping frame (3); Described fan-shaped mount pad rotates or swings to cooperate and is assemblied on the bearing pin, and its bottom is flat plane, and the front side is circular-arc curved surface.

5. double-slider drawer slide rail according to claim 4, it is characterized in that also being respectively equipped with on the described rotary slider (4) shell fragment (4.2), the first block (4.3) and the second block (4.4), and being equipped with the block overcoat that the flexible glue material is made at the outside fit of the first block and the second block, all the other positions of rotary slider are the ebonite material and make; Be provided with forward recess (4.5) between described shell fragment and the first block, be provided with rearward recess (4.6) between the first block and the second block; Be provided with a buckle (2.1) that cooperates assembling with forward recess and rearward recess on the upper rail (2).

6. double-slider drawer slide rail according to claim 5, it is characterized in that also being provided with on the described damping frame (3) a rotation groove (3.2) and a spacing breach (3.3), slide to the front end of damping frame when rotary slider (4), when rotary slider did not arrive in the rotation groove, buckle (2.1) placed in the forward recess (4.5) or rearward recess (4.6) of rotary slider; Slide to the front end of damping frame when rotary slider, rotary slider along bevel edge take advantage of a situation slip into the rotation groove in the time, buckle leaves rotary slider, rotary slider is owing to pining down that rotating takes advantage of a situation downwards and slipping into of the bearing pin (7.1) that is subject to fixing slide block (7) front end places in the rotation groove, and its fan-shaped mount pad (4.1) arranged owing to rotate perk and conflict and be arranged on the arc-shaped edges of spacing breach.

7. double-slider drawer slide rail according to claim 6, when it is characterized in that described fixedly slide block (7) and rotary slider (4) slide to slideway terminal point near damping frame (3), the upper rail stop bit glue of the fixing assembling of upper rail (2) front end is buckled (2.2) and is conflicted to end rail (1) front edge, makes between the slideway terminal point of fixedly slide block and damping frame and can leave 2-5 millimeter gap.