Suspension type sliding bracket having anti-dropping mechanism

A suspension type sliding bracket having anti-dropping mechanism, the sliding bracket uses a first sliding rail of suspension type to slide on a first bracket, and the sliding bracket uses a second sliding rail of suspension type to slide on a second bracket, a front-end portion of the first sliding rail can provided with a first locating plate, a front-end portion of the first bracket can provided with a first locating post; wherein the first locating post can enter a first slot of the first locating plate, and the first locating post can block a closure portion of the first slot, therefore the first sliding rail can form a first anti-dropping position to stop slide; and the first slot can escape from the first locating post when an extension portion of the first locating plate is pressed.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The invention relates to a sliding bracket, and more particularly to a suspension type sliding bracket having anti-dropping mechanism, the sliding bracket has at least one first locating plate, the first locating plate can be used to form a first anti-dropping position on the sliding bracket, and the first anti-dropping position can be released by pressing the first locating plate.

2. Description of Related Art

A first prior-art is disclosed in U.S. Pat. No. 6,601,713 (its patent family has Taiwan Patent No. TW1237752 and China Patent No. CN1424725A), the first prior-art disclosed a latched position protrusion engages a side of opening so as to prevent further outward movement of intermediate slide relative to outer slide, a stop tab limits inward movement of intermediate slide relative to outer slide. But the latched position protrusion can not be dismantled, the intermediate slide can not escape from the outer slide when a pair of slide assemblies combined with a chassis. Moreover, the chassis can not completely escape from a rack, that will not easy to replace or repair a device which is fixed on the chassis. Thus, there is a requirement of improvement for the first prior-art.

A second prior-art is disclosed in U.S. Pat. No. 8,358,502, the second prior-art disclosed two rail parts may be coupled together via two lips, the rail parts may be secured by bolting in two holes, which may be secured with two wing-nuts. In the second prior-art, the rail parts can not be separated each other until the wing-nuts are dismantled. If the rail parts are not separated each other, an electronic device can not completely escape from a server rack. Thus, there is a requirement of improvement for the second prior-art.

SUMMARY OF THE INVENTION

It is therefore an object of the invention to provide a suspension type sliding bracket having anti-dropping mechanism, the invention uses a first sliding rail of suspension type to slide on a first bracket, and the invention uses a second sliding rail of suspension type to slide on a second bracket; a device can be fixed between the first sliding rail and the second sliding rail, the first and second brackets can be fixed on a first level space of a rack; wherein a front-end portion of the first sliding rail can provided with a first locating plate, a front-end portion of the first bracket can provided with a first locating post; when the device is pulled out, the first locating post will enter a first slot of the first locating plate, and the first locating post will block a closure portion of the first slot, therefore the first sliding rail can form a first anti-dropping position to stop slide; and the first slot can escape from the first locating post when an extension portion of the first locating plate is pressed, therefore the device can be completely pulled out.

First advantages of the invention is, the suspension type sliding bracket can form a first anti-dropping position, and a device can be completely pulled out when an extension portion of the first locating plate is pressed.

Second advantages of the invention is, the suspension type sliding bracket can form a first anti-dropping position and a second anti-dropping position; when the device is pulled out, the device will stop on the first anti-dropping position; the device can be further pulled out when an extension portion of the first locating plate is pressed, the device will stop on the second anti-dropping position; and the device can be completely pulled out when an extension portion of the second locating plate is pressed.

Third advantages of the invention is, the suspension type sliding bracket can reduce the height of each level space; when another device is disposed on the rack, another first bracket will not interfere to the first sliding rail, and another second bracket will not interfere to the second sliding rail.

Fourth advantages of the invention is, a first support screw can be screw fixed on the suspension type sliding bracket, a screw head of the first support screw can pass through a fixing hole of the rack, the fixing hole can support a neck of the first support screw, therefore a single operator can proceed to fix the sliding bracket to easy assemble.

DETAILED DESCRIPTION OF THE INVENTION

Referring toFIGS. 1 to 5, a suspension type sliding bracket in accordance with a first embodiment of the invention comprises a first sliding rail10, a first bracket11, a second sliding rail20and a second bracket22; the first sliding rail10has a first U-shaped portion13, a front-end portion of the first sliding rail10can provided with a first locating plate14; the first bracket11has a first L-shaped portion15, a front-end portion of the first bracket11can provided with a first locating post16; the second sliding rail20has a second U-shaped portion23, a device30can be fixed between the first sliding rail10and the second sliding rail20; the second bracket22has a second L-shaped portion25, the first and second brackets11,22can be fixed on a first level space of a rack40; wherein the first U-shaped portion13can slide on the first L-shaped portion15, the second U-shaped portion23can slide on the second L-shaped portion25; when the device30is pulled out, the first locating post16will enter a first slot17of the first locating plate14, and the first locating post16will block a closure portion171of the first slot17, therefore the first sliding rail10can form a first anti-dropping position to stop slide; and the first slot17can escape from the first locating post16when an extension portion141of the first locating plate14is pressed, therefore the device30can be completely pulled out.

Examples of a variation of the second sliding rail20and a variation of the second bracket22, a front-end portion of the second sliding rail20can provided with a second locating plate24, a front-end portion of the second bracket22can provided with a second locating post26; when the device30is pulled out, the second locating post26will enter a second slot27of the second locating plate24, and the second locating post26will block a closure portion271of the second slot27, therefore the second sliding rail20can stop slide (as shown inFIG. 7); and the second slot27can escape from the second locating post26when an extension portion241of the second locating plate24is pressed. Moreover, the closure portion171of the first slot17and the closure portion271of the second slot27further have a distance D in sliding direction X, therefore the second sliding rail20can form a second anti-dropping position (as shown inFIG. 8).

Examples of a first variation of the suspension type sliding bracket, the position of the first U-shaped portion13can be lower than a top surface31of the device30, and the position of the second U-shaped portion23can be lower than the top surface31of the device30(as shown inFIG. 6), the suspension type sliding bracket can reduce the height of each level space; when another device30ais disposed on a second level space of the rack40, another first bracket11awill not interfere to the first sliding rail10, and another second bracket22awill not interfere to the second sliding rail20.

Examples of a second variation of the suspension type sliding bracket, the first bracket11has a first master bracket51and a first extension bracket61, a fixing portion53of the first master bracket51and a fixing portion63of the first extension bracket61can be fixed on the rack40; the second bracket22has a second master bracket52and a second extension bracket62, a fixing portion54of the second master bracket52and a fixing portion64of the second extension bracket62can be fixed on the rack40.

Examples of a third variation of the suspension type sliding bracket, each of the first and second master brackets51,52has at least one bending portion b1and at least one bending portion b2, each bending portion b1can form a rail space s1, each bending portion b2can form another rail space s2; each of the first and second extension brackets61,62has at least one bending portion b3and at least one bending portion b4; wherein each bending portion b3can insert into each rail space s1, each bending portion b4can insert into each rail space s2.

Examples of a fourth variation of the suspension type sliding bracket, a first support screw71can be screw fixed on the fixing portion53of the first master bracket51, a screw head72of the first support screw71can pass through a fixing hole47of the rack40, the fixing hole47can support a neck73of the first support screw71; and at least one fixing screw81can pass through another fixing hole48of the rack40, the fixing portion53of the first master bracket51can use the fixing screw81to fix on the rack40(as shown inFIG. 9andFIG. 10). Thus, a single operator can proceed to fix the suspension type sliding bracket to easy assemble. In another way, the first support screw71can be screw fixed on the fixing portion63of the first extension bracket61, the screw head72of the first support screw71can pass through a fixing hole47aof the rack40, the fixing hole47acan support a neck73of the first support screw71; and at least one fixing screw81can pass through another fixing hole48aof the rack40, the fixing portion63of the first extension bracket61can use the fixing screw81to fix on the rack40.

Referring toFIGS. 11 to 14, a suspension type sliding bracket in accordance with a second embodiment of the invention comprises a first sliding rail10, a first bracket11, a second sliding rail20and a second bracket22; the first sliding rail10has a first U-shaped portion13, a front-end portion of the first sliding rail10can provided with a first locating plate14; the first bracket11has a first L-shaped portion15, a front-end portion of the first bracket11can provided with a first locating hole18; the second sliding rail20has a second U-shaped portion23, a device30can be fixed between the first sliding rail10and the second sliding rail20; the second bracket22has a second L-shaped portion25, the first and second brackets11,22can be fixed on a first level space of a rack40(as shown inFIG. 1); wherein the first U-shaped portion13can slide on the first L-shaped portion15, the second U-shaped portion23can slide on the second L-shaped portion25; when the device30is pulled out, a first locating post19of the first locating plate14will enter the first locating hole18, therefore the first sliding rail10can form a first anti-dropping position to stop slide; and the first locating post19can escape from the first locating hole18when an extension portion141of the first locating plate14is pressed, therefore the device30can be completely pulled out.

Examples of a variation of the second sliding rail20and a variation of the second bracket22, a front-end portion of the second sliding rail20can provided with a second locating plate24, a front-end portion of the second bracket22can provided with a second locating hole28; when the device30is pulled out, a second locating post29of the second locating plate24will enter a second locating hole28, therefore the second sliding rail20can stop slide (as shown inFIG. 15); and the second locating post29can escape from the second locating hole28when an extension portion241of the second locating plate24is pressed. Moreover, the first locating post19and the second locating post29further have a distance D in sliding direction X, therefore the second sliding rail20can form a second anti-dropping position (as shown inFIG. 16).

Referring toFIGS. 17 to 21, a suspension type sliding bracket in accordance with a third embodiment of the invention comprises a first sliding rail10, a first bracket11, a second sliding rail20and a second bracket22; the first sliding rail10has a first U-shaped portion13, a front-end portion of the first sliding rail10can provided with a first locating plate14; the first bracket11has a first L-shaped portion15, a front-end portion of the first bracket11can provided with a first elongated locating hole18a, a first locating post19aof the first locating plate14is located in the first elongated locating hole18a; the second sliding rail20has a second U-shaped portion23, a device30can be fixed between the first sliding rail10and the second sliding rail20; the second bracket22has a second L-shaped portion25, the first and second brackets11,22can be fixed on a first level space of a rack40(as shown inFIG. 1); wherein the first U-shaped portion13can slide on the first L-shaped portion15, the second U-shaped portion23can slide on the second L-shaped portion25; when the device30is pulled out, a front-end portion181of the first elongated locating hole18awill block the first locating post19a, therefore the first sliding rail10can form a first anti-dropping position to stop slide; and the first locating post19acan escape from the first elongated locating hole18awhen an extension portion141of the first locating plate14is pressed. When the device30is re-pushed into the rack40, the first locating post19awill enter the first elongated locating hole18a; and a back-end portion182of the first elongated locating hole18awill block the first locating post19awhen continuously push the device30, therefore the pushed position of the device30can be limited.

Examples of a variation of the second sliding rail20and a variation of the second bracket22, a front-end portion of the second sliding rail20can provided with a second locating plate24, a front-end portion of the second bracket22can provided with a second elongated locating hole28a, a second locating post29aof the second locating plate24is located in the second elongated locating hole28a; when the device30is pulled out, a front-end portion281of the second elongated locating hole28awill block the second locating post29a, therefore the second sliding rail20can stop slide; and the second locating post29acan escape from the second elongated locating hole28awhen an extension portion241of the second locating plate24is pressed. When the device30is re-pushed into the rack40, the second locating post29awill enter the second elongated locating hole28a; and a back-end portion282of the second elongated locating hole28awill block the second locating post29awhen continuously push the device30.