CN202760644U

CN202760644U - Self-closing buffer slide rail device

Info

Publication number: CN202760644U
Application number: CN 201220361934
Authority: CN
Inventors: 林新达
Original assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Current assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Priority date: 2012-07-25
Filing date: 2012-07-25
Publication date: 2013-03-06
Anticipated expiration: 2022-07-25

Abstract

The utility model discloses a self-closing buffering slide rail device, set up second slide rail, the third slide rail of slip setting in the second slide rail in first slide rail and install in first slide rail with buffer gear between the third slide rail including first slide rail, slip. The buffer mechanism comprises a fixed seat arranged on the left side of the first slide rail, a sliding seat arranged in the first slide rail and capable of sliding relative to the fixed seat, at least one extension spring connecting the fixed seat and the sliding seat, and a damping oil cylinder arranged between the fixed seat and the sliding seat. The utility model provides a self-closing buffering slide rail device can provide the cushion effect of certain degree to the drawer when closed drawer to the collision that arouses when having avoided closed drawer has finally avoided the production of collision noise.

Description

The self-closed buffer railroad

[technical field]

The utility model relates to a kind of furniture part, relates in particular to a kind of railroad, relates more specifically to a kind of self-closed buffer railroad.

[background technology]

As everyone knows, the drawer in the modern furniture all has drawing structure.That is to say, realize that by railroad is set at drawer bottom and furniture drawer is with respect to the pull action of furniture.

Yet there is shortcomings in existing railroad.Such as, because railroad itself does not have buffer gear, so be to be free to slide completely between drawer and the desk, so when the manual closing drawer, can bump between drawer and the desk, thereby serious noise produced.

Therefore, be necessary to provide a kind of improved railroad, the self-closed buffer railroad that provides such as the utility model is so that the shortcoming that overcomes above-mentioned prior art is with not enough.

[utility model content]

The purpose of this utility model is to provide a kind of self-closed buffer railroad, and it can provide the impulse force of damping slow to a certain degree to drawer when closed drawer, thereby the generation of collision noise has finally been avoided in the collision that has caused when having avoided closed drawer.

For realizing this purpose, the utility model adopts following technical scheme:

A kind of self-closed buffer railroad, comprise the first slide rail, be slidingly arranged in the second slide rail in the first slide rail, be slidingly arranged in the 3rd slide rail in the second slide rail and be installed in described the first slide rail and described the 3rd slide rail between buffer gear.Described buffer gear comprises the holder that is installed in described the first slide rail left side, be arranged in the first slide rail and the sliding seat that can slide with respect to holder, at least one extension spring that holder and sliding seat are coupled together and be arranged on holder and sliding seat between damping oil cylinder.

Compared with prior art, the utility model possesses following advantage:

Owing to being provided with buffer gear on the self-closed buffer railroad that the utility model provides.The damping oil cylinder of buffer gear produces a larger resistance obstruction drawer in compressed moment and (is installed on the 3rd slide rail, figure does not show) continue again to slide at effect of inertia, therefore when closed drawer, provide cushion effect to a certain degree to drawer, thereby the generation of collision noise has finally been avoided in the collision that has caused when having avoided closed drawer.

[description of drawings]

Fig. 1 has showed the three-dimensional structure diagram of the utility model self-closed buffer railroad from top view;

Fig. 2 has showed that self-closed buffer railroad shown in Figure 1 is from another stereogram of top view;

Fig. 3 has showed the three-dimensional exploded view that self-closed buffer railroad shown in Fig. 1-2 is observed from the bottom;

Fig. 4 has showed that the tumbler of the utility model self-closed buffer railroad is from the stereogram of top view;

Fig. 5 has showed the stereogram that tumbler shown in Figure 4 is observed from the bottom;

Fig. 6 has showed the stereogram after self-closed buffer railroad shown in Figure 2 removes the part assembly;

Fig. 7 has showed the three-dimensional exploded view of self-closed buffer railroad shown in Fig. 1-2;

Fig. 8 has showed the holder of the utility model self-closed buffer railroad and the three-dimensional exploded view between the keeper;

Fig. 9 has showed the three-dimensional structure diagram that the 3rd slide rail of the utility model self-closed buffer railroad is observed from the bottom;

Figure 10 has showed the plan structure figure of the utility model self-closed buffer railroad;

Figure 11 has showed the running status of the tumbler of the utility model self-closed buffer railroad.

[specific embodiment]

With reference to figure 1-11, according to an embodiment of the present utility model, a kind of self-closed buffer railroad 100 comprises such as being installed to the first slide rail 10 on the side cabinet (not shown), the keeper 92 that is fixed on the first slide rail 10 being set, be slidingly arranged in the second slide rail 40 in the first slide rail 10, be slidingly arranged in the 3rd slide rail 50 in the second slide rail 40 and be installed in described the first slide rail 10 and described the 3rd slide rail 50 between buffer gear 80.

Particularly, described buffer gear 80 comprises the holder 20 that is installed in described the first slide rail 10 left sides, be arranged in the first slide rail 10 and the sliding seat 30 that can slide with respect to holder 20, extension spring 60 that holder 20 and sliding seat 30 elasticity are coupled together, be arranged on the damping oil cylinder 70 between holder 20 and the sliding seat 30, and be arranged on the tumbler 94 in the sliding seat 30.

Particularly, with reference to figure 3, offer a plurality of such as two the first spring accepting grooves 22 on the described holder 20 along the glide direction of the 3rd slide rail 50.The left side of described the first spring accepting groove 22 forms the first draw-in groove 222.In addition, further offer the first oil cylinder standing groove 24 along the glide direction of the 3rd slide rail 50 on the described holder 20.

Offer the second spring accepting groove 32 corresponding with described the first spring accepting groove 22 along the glide direction of the 3rd slide rail 50 on the described sliding seat 30.The right side of described the second spring accepting groove 32 forms the second draw-in groove 322.Simultaneously, further offer the second oil cylinder standing groove 34 corresponding with the first oil cylinder standing groove 24 along the glide direction of the 3rd slide rail 50 on the described sliding seat 30.And the right side of described the second oil cylinder standing groove 34 forms expansion link draw-in groove 36.

The two ends of described each extension spring 60 form respectively the first holding division 62 and the second holding division 64.Described extension spring 60 is placed in first, second

spring accepting groove

22,32, and the first holding division 62 is fastened in the first draw-in groove 222, the second holding division 64 then is fastened in the second draw-in groove 322, thereby the two ends of described extension spring 60 are separately fixed on holder 20 and the sliding seat 30.

Described damping oil cylinder 70 comprises cylinder body 72 and expansion link 74 that can be flexible with respect to cylinder body 72.Described cylinder body 72 is placed in the first oil cylinder standing groove 24 and the second oil cylinder standing groove 34 simultaneously, described expansion link 74 then fixing in expansion link draw-in groove 36.

Preferably, described damping oil cylinder 70 is the metal damping oil cylinder, therefore can have better crack resistance, has greatly improved the service life of damping oil cylinder 70.

Particularly, the self-closed buffer railroad 100 that the utility model provides further comprises clutch locking mechanism 90, namely after drawer is opened with drawer lock in certain position, cause drawer closed in order to prevent artificial accident from touching.The below describes the concrete structure of clutch locking mechanism 90 in detail.

Described clutch locking mechanism 90 comprises the keeper 92 that is installed on the first slide rail 10.The lock slots 922 of offering gathering sill 924 and being formed at gathering sill 924 right sides and connecting with gathering sill 924 along the glide direction of the 3rd slide rail 50 on the described keeper 92.

Particularly, described clutch locking mechanism 90 further comprises tumbler 94.Described tumbler 94 comprises moving arm 944 and the leading arm 946 that the periphery of rotating shaft 942, the axis of rotation 942 extends radially outwardly.Longitudinal extension forms lead 9462 on the leading arm 946.In addition, defined groove 948 between described moving arm 944 and the leading arm 946.

Particularly, the right side opening of described sliding seat 30 is provided with the horizontal concrete chute corresponding with the gathering sill 924 of described keeper 92 31 and the avoiding hollow groove 33 corresponding with lock slots 922.In addition, described sliding seat 30 is vertically offered axis hole 38 down in the below of described horizontal concrete chute 31 and the leftward position of avoiding hollow groove 33.

Particularly, vertically form catch 52 down on described the 3rd slide rail 50.Described sliding seat 30 is arranged on the top of described keeper 92, the rotating shaft 942 of described tumbler 94 is arranged in the axis hole 38 from the bottom of described sliding seat 30, described moving arm 944 inserts in the described horizontal concrete chute 31, described leading arm 946 is arranged in the described avoiding hollow groove 33, simultaneously, described lead 9462 is arranged in the lock slots 922 of described keeper 92, and the catch 52 of described the 3rd slide rail 50 is then optionally against described moving arm 944.

When closed drawer (not shown), promote the 3rd slide rail 50 left, so that the 3rd slide rail 50 at first is free to slide towards a left side with respect to the second slide rail 40.After sliding into extreme position, the 3rd slide rail 50 will be static with respect to the second slide rail 40, and two

slide rails

40,50 whiles continue to be free to slide towards a left side with respect to the first slide rail 10.

Along with two

slide rails

40,50 continue to slide, be arranged on the catch 52 collision moving arms 944 of the 3rd slide rail 50 left; Tumbler 94 rotates (by the work in coordination realization of rotating shaft 942 with axis hole 38) with respect to sliding seat 30, therefore, catch 52 promotes tumbler 94 and rotates counterclockwise, thereby allow leading arm 946 break away from avoiding hollow grooves 33, then go out of lock groove 922 and entering in the gathering sill 924 of the lead 9462 on the leading arm 946.At this moment, described catch 52 is stuck in the groove 948 of tumbler 94.Because lead 9462 has broken away from lock slots 922 and entered in the gathering sill 924, therefore, under effect of inertia, the 3rd slide rail 50 can promote sliding seat 30 to be continued to slide left together.

In the process that sliding seat 30 continues to slide with respect to holder 20, the expansion link 74 that is arranged on the damping oil cylinder 70 between holder 20 and the sliding seat 30 is compressed gradually near cylinder body 72, because the damping characteristic of damping oil cylinder 70 self, 72 pairs of expansion links of cylinder body 74 produce with the direction of motion of expansion link 74 just in time opposite resistance (this resistance is in expansion link 74 compressed moment resistance maximums, then be varied down to rapidly an equilibrium value), hinder the 3rd slide rail 50 and under effect of inertia, continue again to slide left; Described extension spring 60 begins to shrink the resistance that the generation pulling force overcomes damping oil cylinder 70 generations simultaneously, continues pulling sliding seat 30 with the 3rd slide rail 50 slowly close holders 20, has finally realized the closure of drawer.

Generally, owing to being provided with buffer gear 80 on the self-closed buffer railroad 100 that the utility model provides.The damping oil cylinder 70 of buffer gear 80 hinders the 3rd slide rail 50 at larger resistance of expansion link 74 compressed moments generations to be continued to slide under effect of inertia again, then extension spring 60 shrinks and produces the resistance that pulling force overcomes damping oil cylinder 70 generations, continue pulling sliding seat 30 with the 3rd slide rail 50 slowly close holders 20, finally realized the closure of drawer.Therefore when closed drawer, provide cushion effect to a certain degree to drawer, thereby the generation of collision noise has finally been avoided in the collision that has caused when having avoided closed drawer.

When drawing-out type drawer, the process of the running of buffer gear 80 during just in time with closed drawer is opposite, no longer it is given unnecessary details, to save length herein.

Above-described embodiment is the better embodiment of the utility model; but not merely be restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, all be included within the protection domain of the present utility model.

Claims

1. A self-closing buffer slide rail device, comprising a first slide rail, a second slide rail that is slidably arranged in the first slide rail and a third slide rail that is slidably arranged in the second slide rail, characterized in that: further comprising a buffer mechanism installed between the first slide rail and the third slide rail,

The buffer mechanism includes a fixed seat installed on the left side of the first slide rail, a sliding seat arranged in the first slide rail and slidable relative to the fixed seat, and at least one tension member connecting the fixed seat and the sliding seat. A spring and a damping oil cylinder arranged between the fixed seat and the sliding seat.

2. The self-closing buffer slide rail device according to claim 1, characterized in that: a first spring receiving groove is provided on the fixed seat along the sliding direction of the third slide rail; The sliding direction of the three slide rails is provided with a second spring receiving groove; the tension spring is placed in the first spring receiving groove and the second spring receiving groove.

3. The self-closing buffer slide rail device according to claim 2, characterized in that: the left side of the first spring receiving groove forms a first locking groove; the right side of the second spring receiving groove forms a second locking groove. The two ends of the tension spring respectively form a first fastening part and a second fastening part; the first fastening part of the tension spring is fastened in the first fastening groove, and the second fastening part The card is set in the second card slot.

4. The self-closing buffer slide rail device according to claim 3, characterized in that: the first oil cylinder placement groove is further opened on the fixed seat along the sliding direction of the third slide rail; The sliding direction of the third slide rail is further provided with a second oil cylinder placement groove, and the right side of the second oil cylinder placement groove forms a telescopic rod slot; The cylinder body is placed in the first oil cylinder placement slot and the second oil cylinder placement slot at the same time, and the telescopic rod is clamped in the telescopic rod slot.

5. The self-closing buffer slide rail device according to claim 4, further comprising a clutch locking mechanism, the clutch locking mechanism comprising:

The positioning part fixed on the first slide rail, the positioning part is provided with a guide groove along the sliding direction of the third slide rail and a locking groove formed on the right side of the guide groove and penetrating with the guide groove; and a rotating part, which It includes a rotary shaft, a toggle arm and a guide arm extending radially outward from the circumferential surface of the rotation shaft, the guide arm extends longitudinally to form a guide column, and a groove is defined between the toggle arm and the guide arm;

Specifically, the right side of the sliding seat is provided with a horizontal chute corresponding to the guide groove of the positioning member and an avoidance groove corresponding to the locking groove. On the left side of the slot, a shaft hole is provided vertically downward; on the third slide rail, a blocking piece is formed vertically downward;

The sliding seat is arranged above the positioning member, the rotating shaft of the rotating member is arranged in the shaft hole from the bottom of the sliding seat, the toggle arm is inserted into the horizontal chute, and the guide arm is arranged In the avoidance groove, the guide column is disposed in the locking groove of the positioning member, and the blocking piece of the third slide rail selectively abuts against the toggle arm.

6. The self-closing buffer slide rail device according to claim 1, wherein the damping oil cylinder is a metal damping oil cylinder.