CN114847691A - Slide rail assembly - Google Patents

Abstract

A slide rail assembly comprises a first rail, a second rail, a stopper, a positioning member and an operating member. The first rail is provided with a blocking feature and a positioning feature; the second rail can be displaced relative to the first rail; the blocking piece and the positioning piece are movably mounted to the second rail, so that the blocking piece and the positioning piece can be in one of a first state and a second state relative to the second rail; the operating piece operates one of the stopper and the positioning piece; when the second rail is in a first extending position relative to the first rail, the blocking feature can block the blocking member in the first state to prevent the second rail from moving from the first extending position to a folding direction; when the second rail is located at a second extending position relative to the first rail, the positioning element and the blocking element in the first state respectively correspond to two parts of the positioning feature of the first rail, so that the second rail can be prevented from moving from the second extending position to an opening direction or a folding direction relative to the first rail.

Description

Slide rail assembly

technical field

The present invention relates to a slide rail assembly, in particular to a slide rail assembly in which a first rail and a second rail can have a blocking mechanism in an extended position relative to each other, and the blocking mechanism can be released by an operating member to make.

Background technique

For example, US Patent Publication No. US 10,041,535 B2 discloses a slide rail assembly, which includes a first rail, a second rail, a third rail, a locking member and an operating member. The second rail is movable relative to the first rail from a first position to a second position; the third rail is movable relative to the second rail; When the rail is in the second position, the locking member can lock a part of the first rail, so that the second rail cannot move relative to the first rail from the second position to the first position; the user can apply a force To the operating member, the operating member is displaced relative to the second rail from a first predetermined position to a second predetermined position, so as to release the locking member from the portion of the first rail. When the operating member is displaced from the first predetermined position to the second predetermined position by the force exerted by the user, although the operating member can be used to release the locking of the portion of the first rail by the locking member, the third rail is removed from the first rail. The unloading action of the second rail needs to rely on the displacement of the second rail pushed into the first rail to cooperate with each other. This operation method is obviously unfavorable for single-person operation, and even needs to be used with a trolley to remove the chassis equipped with the third rail. (chassis) unloading from the second rail in a confined space environment.

For example, US Patent Publication No. US 9,681,749 B2 discloses a slide rail assembly that can also be used in narrow spaces. The case discloses that the operating member can be returned from a predetermined position to an initial position through a return elastic member, which also means that once When the user stops applying the force to the operating member, the operating member is forcibly brought back to the initial position from the predetermined position in response to the elastic force of the return elastic member. However, if two sets of slide rails are installed on one side of the chassis, there will be four slide rails on both sides of the chassis, so it is even more unfavorable for a single person to operate with both hands. The mechanism for forcing the predetermined position back to the initial position does not meet the specific needs of the market.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a slide rail assembly that releases a blocking mechanism through an operating member so that one slide rail can be separated from an extended position relative to the other slide rail.

According to an aspect of the present invention, a slide rail assembly includes a first rail, a second rail, a blocking member, a positioning member, and an operating member. The first rail is provided with a blocking feature and a positioning feature; the second rail can be displaced relative to the first rail; the blocking member and the positioning member are movably mounted to the second rail, so that the blocking member and the positioning member are movably mounted to the second rail. The positioning member can be in one of a first state and a second state relative to the second rail; the operating member is used to operate one of the blocking member and the positioning member; wherein, when the second rail When the first rail is in a first extending position, the blocking feature can block the blocking member in the first state, so as to prevent the second rail from displacing from the first extending position to a retracting direction; wherein, When the second rail is in a second extended position relative to the first rail, the positioning member and the blocking member in the first state correspond to two positions of the positioning feature of the first rail, respectively, to prevent The second rail is displaced relative to the first rail from the second extending position to an opening direction or the retracting direction; wherein, when the second rail is in the first extending position, the slide rail assembly has a first length; when the second rail is in the second extended position, the slide rail assembly has a second length smaller than the first length.

According to another aspect of the present invention, a slide rail assembly includes a first rail, a second rail, a blocking member, a positioning member and an operating member. The first rail is provided with a positioning feature; the second rail is displaceable relative to the first rail; the blocking member and the positioning member are movably mounted to the second rail so that the blocking member and the positioning member can be is in one of a first state and a second state relative to the second rail; the operating member is used to operate one of the blocking member and the positioning member; wherein, when the second rail is opposite to the first When the rail is displaced from a retracted position to an opening direction to an extended position, the positioning member and the blocking member in the first state are respectively corresponding to two positions of the positioning feature of the first rail to prevent the The second rail is displaced from the extending position to the opening direction or a retracting direction relative to the first rail.

Description of drawings

In order to further illustrate the above-mentioned objects, structural features and effects of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

FIG. 1 shows a perspective combined schematic view of the slide rail assembly according to the first embodiment of the present invention in an extended state and including a first rail, a second rail and a third rail.

FIG. 2 is a schematic exploded perspective view of the slide rail assembly according to the first embodiment of the present invention.

FIG. 3 shows an enlarged schematic view of the area A of FIG. 2 .

4 is a perspective view showing the second rail of the slide rail assembly and its operating member in a first operating position according to the first embodiment of the present invention.

FIG. 5 is a schematic perspective view showing the second rail of the slide rail assembly according to the first embodiment of the present invention and its operating member in the first operating position from another perspective.

6 is a perspective view showing the second rail of the slide rail assembly and its operating member in a second operating position according to the first embodiment of the present invention.

FIG. 7 is a schematic perspective view showing the second rail of the slide rail assembly according to the first embodiment of the present invention and its operating member in the second operating position from another perspective.

FIG. 8 is a schematic three-dimensional view of the slide rail assembly according to the first embodiment of the present invention applied to a rack and carrying a load.

9 is a schematic diagram showing the slide rail assembly in the extended state having a first length and the operating member in the first operating position according to the first embodiment of the present invention.

FIG. 10 shows a schematic diagram of the slide rail assembly in the extended state and the operating member in the second operating position according to the first embodiment of the present invention.

11 is a schematic diagram showing that the second rail of the slide rail assembly according to the first embodiment of the present invention can be displaced relative to the first rail in the retracting direction.

FIG. 12 is a schematic diagram showing the second rail of the slide rail assembly according to the first embodiment of the present invention continues to displace relative to the first rail in the retracting direction.

FIG. 13 shows an enlarged schematic view of the area A of FIG. 12 .

14 is a schematic diagram showing the further displacement of the second rail relative to the first rail in the retracting direction of the slide rail assembly according to the first embodiment of the present invention.

15 is a schematic diagram showing the second rail of the slide rail assembly according to the first embodiment of the present invention in a second extended position relative to the first rail.

FIG. 16 shows a schematic diagram of the slide rail assembly having a second length in another extended state according to the first embodiment of the present invention.

FIG. 17 shows a schematic diagram of the slide rail assembly of the first embodiment of the present invention in the other extended state, and the third rail can be detached from the second rail.

18 is a schematic diagram showing the displacement of the third rail relative to the second rail in the retracting direction of the slide rail assembly according to the first embodiment of the present invention.

FIG. 19 is a schematic diagram showing that the third rail of the slide rail assembly according to the first embodiment of the present invention continues to displace relative to the second rail in the retracting direction.

FIG. 20 shows a schematic diagram of the slide rail assembly according to the first embodiment of the present invention in a fully retracted state.

21 is a schematic diagram showing the displacement of the third rail relative to the second rail in the opening direction of the slide rail assembly according to the first embodiment of the present invention.

FIG. 22 is a schematic diagram showing that the third rail of the slide rail assembly according to the first embodiment of the present invention continues to displace relative to the second rail in the opening direction.

23 is a schematic diagram showing the further displacement of the third rail relative to the second rail in the opening direction of the slide rail assembly according to the first embodiment of the present invention.

24 is a schematic diagram showing the second rail of the slide rail assembly according to the first embodiment of the present invention in the second extended position relative to the first rail, and the operating member in the first operating position.

25 is a schematic diagram showing the second rail of the slide rail assembly according to the first embodiment of the present invention in the second extended position relative to the first rail, and the operating member in the second operating position.

26 shows a partial schematic view of the second rail of the slide rail assembly according to the second embodiment of the present invention in the second extended position relative to the first rail, and the blocking member and the positioning member are respectively blocked at two positions of the positioning feature.

27 shows that the second rail of the slide rail assembly according to the second embodiment of the present invention is in the second extended position relative to the first rail, and the stopper and the positioning piece can be driven by the operating member and are not blocked at two parts of the positioning feature, respectively local schematic diagram.

28 shows a partial schematic view of the second rail of the slide rail assembly according to the second embodiment of the present invention in the second extended position relative to the first rail, and the blocking member and the positioning member are respectively blocked at two positions of the positioning feature.

29 shows that the second rail of the slide rail assembly according to the second embodiment of the present invention is in the second extended position relative to the first rail, and the stopper and the positioning member can be driven by the third rail and are not blocked on two of the positioning features, respectively Partial schematic of the site.

30 is a schematic view showing the slide rail assembly of the third embodiment of the present invention in an extended state, and the blocking feature of the first rail blocks the stopper of the second rail.

31 shows a schematic view of the slide rail assembly of the third embodiment of the present invention in an extended state, and the blocking feature of the first rail does not block the blocking member of the second rail.

32 is a schematic diagram showing the displacement of the second rail and the third rail of the slide rail assembly in the retracting direction relative to the first rail according to the third embodiment of the present invention.

33 is a schematic diagram showing that the second rail and the third rail of the slide rail assembly according to the third embodiment of the present invention continue to move in the retracting direction relative to the first rail to the retracted position.

34 is a schematic diagram showing the displacement of the second rail and the third rail of the slide rail assembly in the opening direction relative to the first rail according to the third embodiment of the present invention.

FIG. 35 is an enlarged schematic view of the area A of FIG. 34 .

FIG. 36 is a schematic diagram showing the continued displacement of the second rail relative to the first rail in the opening direction of the slide rail assembly according to the third embodiment of the present invention.

37 shows a schematic view of the second rail of the slide rail assembly according to the third embodiment of the present invention in a second extended position relative to the first rail.

FIG. 38 shows a schematic view of the slide rail assembly in another extended state according to the third embodiment of the present invention.

Detailed ways

As shown in FIGS. 1 and 2 , a slide rail assembly 20 according to an embodiment of the present invention includes a first rail 22 and a second rail 24 , and preferably, further includes a third rail 26 . The second rail 24 is movably mounted between the first rail 22 and the third rail 26 . The first rail 22 (eg, the outer rail), the second rail 24 (eg, the middle rail) and the third rail 26 (eg, the inner rail) are longitudinally displaceable relative to each other. When the slide rail assembly 20 is in a fully extended state, the second rail 24 is in a first extension position E1 relative to the first rail 22 , and the third rail 26 is in an open position K relative to the second rail 24 . It is worth mentioning that in this embodiment, the X-axis direction is the longitudinal direction (or the length direction or displacement direction of the slide rail), the Y-axis direction is the lateral direction (or the lateral direction of the slide rail), and the Z-axis direction is the vertical direction ( or the height direction of the rail).

The first rail 22 includes a first wall 28a, a second wall 28b and a longitudinal wall 30 connected between the first wall 28a and the second wall 28b of the first rail 22, the first wall 28a of the first rail 22 The wall 28 a , the second wall 28 b and the longitudinal wall 30 together define a first channel for accommodating the second rail 24 . The first rail 22 is provided with a blocking feature 32 (shown in Figure 2). Preferably, the first rail 22 is further provided with a first release feature 34 , a positioning feature 36 and a second release feature 38 . Wherein, the blocking feature 32 , the first releasing feature 34 , the positioning feature 36 and the second releasing feature 38 are sequentially disposed to the longitudinal wall 30 of the first rail 22 from front to rear.

Preferably, the slide rail assembly 20 further includes an elastic seat 33 disposed on the first rail 22, and the elastic seat 33 includes a first connecting portion 40a, a second connecting portion 40b and a supporting structure 42 (as shown in FIG. 2), the first connecting portion 40a and the second connecting portion 40b are both connected to the longitudinal wall 30 of the first rail 22, and the support structure 42 is located between the first connecting portion 40a and the second connecting portion 40b between. The support structure 42 includes the blocking feature 32, a longitudinal portion 25 and a guiding portion 27. Here, the blocking feature 32 is a blocking wall (or a vertical wall) as an example, but the implementation is not limited; the longitudinal portion 25 is located between the blocking feature 32 and the guide portion 27, and the guide portion 27 is, for example, a sloped surface or a curved surface.

Preferably, the first release feature 34 and the second release feature 38 have substantially the same structural configuration. Taking the first release feature 34 as an illustration, the first release feature 34 is, for example, a protrusion opposite to the first release feature 34 . For example, the longitudinal wall 30 of a rail 22 protrudes laterally (or laterally), and the front and rear portions of the first release feature 34 respectively have a first guide section 44a and a second guide section 44b , the first guide segment 44a and the second guide segment 44b are inclined surfaces (or arc surfaces), but the implementation is not limited.

Preferably, the slide rail assembly 20 further includes a first auxiliary portion 46 and a second auxiliary portion 48 , and the positioning feature 36 is defined between the first auxiliary portion 46 and the second auxiliary portion 48 . The first auxiliary portion 46 and the second auxiliary portion 48 are separated from each other by a distance and are symmetrical to each other. The first auxiliary portion 46 and the second auxiliary portion 48 have substantially the same structural configuration. For illustration, the first auxiliary portion 46 is, for example, a protrusion protruding laterally (or laterally) relative to the longitudinal wall 30 of the first rail 22 .

Preferably, the first auxiliary portion 46 and the second auxiliary portion 48 have a first guide structure 50 and a second guide structure 52 respectively, and the first guide structure 50 and the second guide structure 52 is an inclined surface (or arc surface), but the implementation is not limited.

The second rail 24 includes a first wall 54a, a second wall 54b and a longitudinal wall 56 connected between the first wall 54a and the second wall 54b of the second rail 24, the first wall 54a of the second rail 24 The wall 54a , the second wall 54b and the longitudinal wall 56 together define a second channel for accommodating the third rail 26 . The second rail 24 has a first side L1 and a second side L2 that are located opposite to each other. The first side L1 is adjacent to the first rail 22 , and the second side L2 is adjacent to the third rail 26 .

The slide rail assembly 20 includes a blocking member 58 and an operating member 60 , preferably, a positioning member 62 and a return elastic member 64 . The second rail 24 , the blocking member 58 , the operating member 60 and the return elastic member 64 can form a slide rail set. Both the blocking member 58 and the positioning member 62 are movably mounted to the second rail 24 . Here, the blocking member 58 and the positioning member 62 are respectively pivoted to the second side L2 of the longitudinal wall 56 of the second rail 24 through a first shaft 66 and a second shaft 68 as an example, but the implementation is different. limited.

Preferably, the second rail 24 includes at least one hole communicating with the first side L1 and the second side L2 of the longitudinal wall 56 of the second rail 24 . Here, a first hole H1 and a second hole H2 are taken as an example. Further, the blocking member 58 includes a blocking portion 55 penetrating the first hole H1 , the blocking portion 55 faces the longitudinal wall 30 of the first rail 22 , and the blocking portion 55 is used for connecting with the first rail 22 . The blocking feature 32 is used in conjunction. On the other hand, the positioning member 62 includes a positioning portion 63 penetrating the second hole H2 , the positioning portion 63 faces the longitudinal wall 30 of the first rail 22 , and the positioning portion 63 is used for connecting with the first rail 22 . The locating feature 36 is used in conjunction. Here, the positioning portion 63 is taken as an example of a column, but the implementation is not limited.

Preferably, the slide rail assembly 20 further includes a predetermined object 69 connected to the longitudinal wall 56 of the second rail 24, and the predetermined object 69 has a first elastic feature 70 and a second elastic feature 72 for respective Provide elastic force to the blocking member 58 and the positioning member 62 .

Preferably, the second rail 24 and the positioning member 62 include mutually matching limiting structures, so that the positioning member 62 can move relative to the second rail 24 within a limited range. The longitudinal wall 56 of 24 is provided with a corresponding portion 74 (eg, a convex body) passing through a part of a limiting space 76 of the positioning member 62 as an example, but the implementation is not limited.

The operating member 60 is operably mounted to the second rail 24 , and the operating member 60 is used to operate the blocking member 58 and the positioning member 62 , or to operate one of the blocking member 58 and the positioning member 62 .

Preferably, the operating member 60 is located on the first side L1 of the longitudinal wall 56 of the second rail 24 , and the operating member 60 includes an operating portion 78 , a driving portion 80 and an extension portion 82 connected to the operating portion 78 and the drive unit 80 . The operating portion 78 is located adjacent to a front end portion 24 a of the second rail 24 ; on the other hand, the blocking member 58 and the positioning member 62 are located adjacent to a rear end portion 24 b of the second rail 24 .

Preferably, the second rail 24 further includes a third hole H3 through which the driving portion 80 of the operating member 60 can pass from the first side L1 to the second side L2 of the second rail 24 through the third hole H3, And the driving portion 80 is located adjacent to the blocking member 58 .

Preferably, the second rail 24 and the operating member 60 include mutually matched limiting features, so that the operating member 60 can move longitudinally relative to the second rail 24 within a limited range. The extension 82 of the 60 is provided with at least one long hole 84, and at least one connecting piece 86 passes through a part of the at least one long hole 84, so that the at least one connecting piece 86 is connected to the longitudinal wall 56 of the second rail 24 as example, but the implementation is not limited.

The return elastic member 64 is used for providing a return elastic force to the operation member 60 . Here, the two ends of the return elastic member 64 are respectively connected to the operating member 60 and the second rail 24 (the longitudinal wall 56 ) as an example, but the implementation is not limited.

Preferably, the operating member 60 is provided with a latching feature 88 (as shown in FIG. 3 ). 90 includes a connecting section 92 and an elastic section 94, the connecting section 92 is connected to the extension portion 82 of the operating member 60, and the elastic section 94 is connected to the connecting section 92, wherein the elastic section 94 includes the locking feature 88 .

Preferably, the latching feature 88 is, for example, a hook, and the latching feature 88 has a guide surface 96 , such as an inclined surface or a curved surface (as shown in FIG. 3 ).

Preferably, the elastic section 94 of the elastic member 90 further includes a release feature 98, and the release feature 98 is, for example, a protrusion, and the front and rear of the release feature 98 respectively have a first guide. The guiding feature 100a and a second guiding feature 100b, such as inclined surface or arc surface (as shown in FIG. 3 ).

As shown in FIGS. 4 and 5 , both the blocking member 58 and the positioning member 62 can be in a first state S1 relative to the second rail 24 (as shown in FIG. 4 ). On the other hand, the operating member 60 can be in a first operating position P1 relative to the second rail 24 (as shown in FIG. 4 and FIG. 5 ).

Preferably, the blocking member 58 further includes a contact portion 102 and an actuating portion 104 , and the first shaft 66 is located between the contact portion 102 and the actuating portion 104 . The contact portion 102 corresponds to (or contacts) the driving portion 80 of the operating member 60 (as shown in FIG. 4 ); and the blocking portion 55 is adjacent to the actuating portion 104 (as shown in FIG. 4 ), and the The blocking portion 55 extends to the first side L1 of the second rail 24 (as shown in FIG. 5 ). The first elastic feature 70 provides elastic force to the blocking member 58 , and the blocking member 58 remains in the first state S1 (as shown in FIG. 4 ).

Preferably, the positioning member 62 includes a contact segment 106 and an actuation segment 108 , and the second shaft 68 is located between the contact segment 106 and the actuation segment 108 . The positioning portion 63 is adjacent to the contact section 106 (as shown in FIG. 4 ), and the positioning portion 63 extends to the first side L1 of the second rail 24 (as shown in FIG. 5 ). The second elastic feature 72 provides elastic force to the positioning member 62 , and the positioning member 62 is maintained in the first state S1 (as shown in FIG. 4 ).

Preferably, the release feature 98 of the elastic section 94 of the elastic member 90 passes through a corresponding hole 110 (as shown in FIG. 5 ) of the extending portion 82 of the operating member 60 , and the release feature 98 is used to communicate with the The first release feature 34 (or the second release feature 38 ) of the first rail 22 is used in conjunction.

Preferably, the longitudinal wall 56 of the second rail 24 has a first corresponding space M1, a second corresponding space M2 and a predetermined wall 112 located between the first corresponding space M1 and the second corresponding space M2, and The predetermined wall 112 separates the first corresponding space M1 from the second corresponding space M2. When the operating member 60 is in the first operating position P1 relative to the second rail 24 , the latching feature 88 of the elastic member 90 corresponds to the first corresponding space M1 (as shown in FIG. 5 ), and the elastic member 90 corresponds to the first corresponding space M1 (as shown in FIG. 5 ). The latching feature 88 of the first wall portion 112 a of the predetermined wall 112 is adjacent to the latching feature 88 .

As shown in FIGS. 6 and 7 , the user can apply a force F to the operating member 60 (the operating portion 78 ), so that the operating member 60 can move relative to the second rail 24 from the first operating position P1 to a In the second operating position P2, during this process, the operating member 60 contacts the contact portion 102 of the blocking member 58 through the driving portion 80, so as to drive the blocking member 58 to move (eg, pivot) from the above-mentioned first state S1. Converted to a second state S2 (as shown in FIG. 6 ), preferably, the blocking member 58 contacts the positioning portion 63 of the positioning member 62 through the actuating portion 104 to drive the positioning member 62 , so that the positioning member 62 can change from the above The first state S1 is active (eg, pivoted) to transition into the second state S2 (as shown in FIG. 6 ).

When the operation member 60 is in the second operation position P2, the return elastic member 64 can accumulate a return elastic force F' (as shown in FIG. 7 ) back to the first operation position P1, and the elastic member 90 is locked The latching feature 88 corresponds to the second corresponding space M2, and the operating member 60 is latched to a predetermined portion of the second rail 24 through the latching feature 88 (for example, the latching feature 88 is latched to a predetermined portion of the second rail 24). A second wall portion 112b) of the predetermined wall 112 is used for maintaining the operating member 60 in the second operating position P2 (as shown in FIG. 7).

Preferably, when the operating member 60 moves from the first operating position P1 (as shown in FIG. 5 ) to the second operating position P2 (as shown in FIG. 7 ), the locking feature 88 passes through the guide. The lead surface 96 can contact the first wall portion 112a (as shown in FIG. 5 ), which helps the latching feature 88 to pass over the predetermined wall 112 until the latching feature 88 corresponds to the second corresponding space M2 (as shown in FIG. 7 ), the latching feature 88 can latch on the second wall portion 112 b of the predetermined wall 112 of the second rail 24 (as shown in FIG. 7 ).

Preferably, when the operating member 60 is in the second operating position P2, the operating member 60 is used to keep the blocking member 58 and the positioning member 62 in the second state S2 (as shown in FIG. 6 ); wherein , the operating member 60 contacts the positioning member 62 through the blocking member 58 in the second state S2 , so that the positioning member 62 is also kept in the second state S2 (as shown in FIG. 6 ).

As shown in FIG. 8 , a carrier 114 can be mounted to a rack 116 through the slide rail assembly 20 . The slide rail assembly 20 is in the fully extended state. The first rail 22 is installed (fixed) to the rack 116 (the first rail 22 is not shown due to the viewing angle), and the third rail 26 is used to carry the carrier 114, so that the The carrier 114 can be displaced from the inside of the frame 116 to the outside of the frame 116 through the third rail 26 .

As shown in Figure 9, the slide rail assembly 20 is in the fully extended state. Wherein, the second rail 24 is in the first extension position E1 relative to the first rail 22 , and the third rail 26 is in the open position K relative to the second rail 24 . Preferably, at least one sliding device is movably installed between each two slide rails to help the smoothness of the displacement of each two slide rails relative to each other, such as the first rail 22 and the second rail 24 A first sliding device 118 is arranged therebetween, a second sliding device 120 is arranged between the second rail 24 and the third rail 26 , and a plurality of balls B are arranged on these sliding devices 118 and 120 . It is worth mentioning that when the second rail 24 is at the first extending position E1 relative to the first rail 22 , the sliding rail assembly 20 has a first length J1 such that the front end portion 26a of the third rail 26 There is only a first distance X1 from an object 122 (such as a door or an obstacle), because the first distance X1 is too narrow, the third rail 26 cannot move in an opening direction D1 from the second rail 24. Remove the second channel. Wherein, when the second rail 24 is in the first extending position E1 relative to the first rail 22, the blocking feature 32 can block the blocking portion 55 of the blocking member 58 in the first state S1, so as to prevent the first extending position E1. The two rails 24 are displaced from the first extending position E1 to a retracting direction D2. On the other hand, the positioning member 62 contacts the guiding portion 27 of the elastic seat 33 of the first rail 22 through the positioning portion 63 . In addition, the operating member 60 is in the first operating position P1 , the restoring elastic member 64 is in a state that has not accumulated a restoring elastic force, and the latching feature 88 of the elastic section 94 of the elastic member 90 is adjacent to the first position of the predetermined wall 112 . The wall portion 112a (this part can also be matched as shown in FIG. 5 ).

As shown in FIG. 10 , the user can apply the force F to the operating portion 78 of the operating member 60 to move the operating member 60 from the first operating position P1 to the second operating position P2 and the driving portion 80 can move the operating member 60 from the first operating position P1 to the second operating position P2. Driving the blocking member 58 from the first state S1 to the second state S2 so that the blocking feature 32 cannot block the blocking portion 55 of the blocking member 58 in the second state S2 for allowing the second rail 24 Relative to the first rail 22, it can be displaced from the first extending position E1 to the retracting direction D2. On the other hand, the blocking member 58 is linked with the positioning member 62 so that the positioning member 62 is in the second state S2. When the blocking member 58 and the positioning member 62 are in the second state S2 , the first elastic feature 70 and the second elastic feature 72 are respectively in a state of accumulating elastic force (this part can also be seen in FIG. 6 ). In addition, when the operating member 60 is in the second operating position P2, the restoring elastic member 64 is in a state of accumulating the restoring elastic force F', and the latching feature 88 of the elastic section 94 of the elastic member 90 is latched on the first The second wall portion 112b of the predetermined wall 112 of the second rail 24 is used to maintain the operating member 60 in the second operating position P2 (this part can also be seen in FIG. 7 ).

As shown in FIG. 11 , when the second rail 24 is displaced relative to the first rail 22 from the first extending position E1 to the retracting direction D2 , the unlocking feature 98 of the elastic member 90 of the operating member 60 (The second guide feature 100b of the) comes into contact with the first release feature 34 of the first rail 22 (the first guide section 44a of the first rail 22), and can drive the elastic section 94 of the elastic member 90 to drive the card The detent feature 88 is disengaged from the second wall portion 112b of the predetermined wall 112 of the second rail 24 .

As shown in FIG. 12 and FIG. 13 , the second rail 24 can continue to displace relative to the first rail 22 in the retracting direction D2 . Wherein, once the latching feature 88 is no longer latched on the second wall portion 112b of the predetermined wall 112 of the second rail 24, the return elastic force F' is released to the operating member 60 through the return elastic member 64, so that the The operating member 60 can return to the first operating position P1 from the second operating position P2, so that the latching feature 88 returns to the position of the first wall portion 112a of the predetermined wall 112 adjacent to the second rail 24 ( As shown in FIG. 13 , this part can also be referred to in FIG. 5 ), and the blocking member 58 and the positioning member 62 respectively respond to the release of the elastic force of the first elastic feature 70 and the second elastic feature 72 from the above-mentioned second state S2 Return to the first state S1.

As shown in FIG. 14 and FIG. 15 , when the second rail 24 is further displaced relative to the first rail 22 in the retracting direction D2 to a second extending position E2 , the positioning member 62 passes through the positioning portion 63 along the The second elastic feature 72 is in a state of accumulating elastic force (as shown in FIG. 14 ) until the second elastic feature 72 is in a state of accumulating elastic force (as shown in FIG. 14 ). When the second rail 24 is in the second extending position E2 (as shown in FIG. 16 ), the positioning member 62 is in the first state S1 in response to the release of the elastic force of the second elastic feature 72 , so that the positioning portion 63 of the positioning member 62 is in the first state S1 . The positioning feature 36 of the first rail 22 can be caught, for example, the positioning portion 63 of the positioning member 62 is blocked between the first auxiliary portion 46 and the second auxiliary portion 48 to prevent the second rail 24 is displaced relative to the first rail 22 from the second extending position E2 to the retracting direction D2 or the opening direction D1.

As shown in FIGS. 16 and 17 , when the second rail 24 is in the second extended position E2 relative to the first rail 22 , the slide rail assembly 20 has a second length J2 smaller than the first length J1 , so that A second distance X2 between the front end portion 26a of the third rail 26 and the object 122 is greater than the above-mentioned first distance X1. Therefore, it is beneficial for the third rail 26 to move from the second rail 24 in the opening direction D1. The second channel is removed (as shown in Figure 17).

As shown in FIGS. 18 to 20 , the third rail 26 includes a first wall 29 a , a second wall 29 b and a longitudinal wall 31 connected between the first wall 29 a and the second wall 29 b of the third rail 26 . Further, if the second rail 24 is to be displaced relative to the first rail 22 from the second extending position E2 to the retracting direction D2 to a retracting position R (for example, a fully retracting position), the first rail 24 can be The three rails 26 are displaced from the above-mentioned opening position K to the retracting direction D2 until the third rail 26 (eg, the rear end 26 b ) contacts an auxiliary section 124 of the blocking member 58 (the auxiliary section 124 is connected to the blocking member 58 ). Actuating portion 104, as shown in FIG. 18), so that the blocking member 58 is no longer in the first state S1, and the blocking member 58 can be linked to the positioning member 62 and is no longer in the first state S1, so that the blocking member 58 is no longer in the first state S1. The positioning portion 63 of the positioning member 62 is released from the positioning feature 36 (as shown in FIG. 19 ) to allow the second rail 24 to move relative to the first rail 22 from the second extending position E2 to the retracting direction D2 , until the slide rail assembly 20 is in a fully retracted state (as shown in FIG. 20 ). At this time, the second rail 24 is in the retracted position R relative to the first rail 22 , and the third rail 26 is also in the retracted position R. The second rail 24 is in a predetermined retracted position. It is worth mentioning that, as shown in FIGS. 19 and 20 , the blocking member 58 and the positioning member 62 are respectively supported by the second wall 29b and the first wall 29a of the third rail 26 for the blocking member 58 and the positioning member 62 remain in the non-first state S1 (that is, the blocking member 58 and the positioning member 62 are not in the first state S1 ), and the first elastic feature 70 and the second elastic feature 72 are in In the state of accumulating elastic force, it is worth mentioning that since the first wall 29a of the third rail 26 blocks the moving path (pivoting path) of the positioning member 62, the positioning member 62 can remain in the non-first state S1 .

As shown in FIGS. 20-23 , the third rail 26 includes a synchronizing feature 126 (eg, a hole wall, but the implementation is not limited) disposed on the second wall 29 b of the third rail 26 . Further, when the third rail 26 is displaced relative to the second rail 24 from the retracted position (as shown in FIG. 20 ) to the opening direction D1 to a predetermined stroke, the synchronization feature 126 of the third rail 26 corresponds to The auxiliary section 124 of the blocking member 58 enables the blocking member 58 to be latched on the synchronizing feature 126 of the third rail 26 through the auxiliary section 124 in response to the release of the elastic force of the first elastic feature 70 , so as to allow the second rail 24 It can move to the opening direction D1 synchronously with the third rail 26 (as shown in FIG. 21 ). When the third rail 26 moves to the opening direction D1 to a predetermined stroke synchronously, the blocking portion 55 of the blocking member 58 will move along the opening direction D1. The guide portion 27 of the elastic seat 33 of the first rail 22 and reaching the longitudinal portion 25 of the elastic seat 33 deflects the stopper 58 by an angle, so that the auxiliary section 124 of the stopper 58 moves away from the third rail 26 . The synchronizing feature 126 is released to release the synchronous displacement relationship between the second rail 24 and the third rail 26 (as shown in FIG. 22 ), until the third rail 26 moves toward the opening direction D1 relative to the second rail 24 The displacement causes the second wall 29b and the first wall 29a of the third rail 26 to no longer support the blocking member 58 and the positioning member 62, respectively, and the second rail 24 is displaced relative to the first rail 22 to the first extension At the position E1, the blocking member 58 is in the first state S1, and the blocking portion 55 of the blocking member 58 is blocked by the blocking feature 32 of the first rail 22 to prevent the second rail 24 from the first extended position E1 is displaced toward the retracting direction D2 (as shown in FIG. 23 , this part can also be referred to in FIG. 9 ).

As shown in FIGS. 24 and 25 , when the second rail 24 is at the second extended position E2 relative to the first rail 22 , the third rail 26 can be used to release the second rail 24 from the first rail. In addition to the latching relationship of the second rail 22 (eg, FIG. 18 and FIG. 19 ), in this embodiment, the user can also directly release the latching relationship between the second rail 24 and the first rail 22 through the operating member 60 . Further, when the second rail 24 is in the second extending position E2 relative to the first rail 22, the user can apply the force F to the operating member 60 to move from the first operating position P1 to the second operating position P2, and the driving part 80 can drive the blocking member 58 to convert from the first state S1 to the second state S2, so that the blocking member 58 drives the positioning member 62 to convert from the first state S1 to the second state S2 , the positioning portion 63 of the positioning member 62 is released from the positioning feature 36 of the first rail 22 to allow the second rail 24 to move from the second extending position E2 to the retracting direction D2 relative to the first rail 22 (or the opening direction D1) displacement. Wherein, when the operating member 60 is in the second operating position P2, the operating member 60 is locked on the predetermined portion of the second rail 24 through the locking feature 88, so as to keep the operating member 60 in the first position Two operating positions P2 (this part can also be seen in Figure 7).

When the second rail 24 is displaced from the second extending position E2 to the retracting direction D2 to the retracting position R, the elastic member 90 can be driven by the second releasing feature 38 of the first rail 22 to drive the elastic member 90 . The locking feature 88 is released from the predetermined portion of the second rail 24 , so that the operating member 60 can return to the first operating position P1 from the second operating position P2 by the restoring elastic force F′ of the restoring elastic member 64 (Because the technical principle of this part is substantially the same as that of FIG. 11 , it will not be repeated here).

The sliding rail assembly 20 according to the first embodiment of the present invention includes the feature that the operating member 60 can be held in the second operating position P2 by the latching feature 88 being latched on the predetermined portion of the second rail 24. Once The latching feature 88 is no longer latched to the predetermined portion of the second rail 24 , and the return elastic force provided by the return elastic member 64 enables the operation member 60 to return from the second operation position P2 to the first operation position P1 .

FIG. 26 is a slide rail assembly 200 according to the second embodiment of the present invention. The difference between the slide rail assembly 200 of the second embodiment and the slide rail assembly 20 of the above-mentioned first embodiment is that the positioning feature 204 of the first rail 202 can be a protrusion relative to the first rail 202 . The longitudinal wall 205 protrudes laterally (laterally), and the positioning portion 208 of the positioning member 206 may be an extension foot.

Further, the longitudinal wall 212 of the second rail 210 has a first hole H1 ′ and a second hole H2 ′ to communicate with the first side and the second side of the longitudinal wall 212 of the second rail 210 (this part has been disclosed in the first In an embodiment, the details are not described herein), wherein the blocking portion 216 of the blocking member 214 penetrates the first hole H1 ′, and the positioning portion 208 of the positioning member 206 penetrates the second hole H2 ′.

When the second rail 210 is in the second extending position E2 relative to the first rail 202 , the positioning portion 208 of the positioning member 206 in the first state S1 and the blocking member in the first state S1 are passed The blocking parts 216 of the locating feature 204 respectively correspond to two parts (eg, the rear part 204b and the front part 204a), which can provide a blocking or locking effect to prevent the second rail 210 from sliding away from the first rail 202 relative to the first rail 202. The two extending positions E2 are displaced toward the opening direction D1 or the retracting direction D2.

As shown in FIG. 26 and FIG. 27 , when the second rail 210 is in the second extended position E2 relative to the first rail 202 , the user can release the connection between the second rail 210 and the first rail 202 through the operating member 218 . Block or jam the relationship. Further, the user can apply the force F to the operating member 218 to move from the first operating position P1 (as shown in FIG. 26 ) to the second operating position P2 (as shown in FIG. 27 ), and through the driving part 220 can drive the blocking member 214 to convert from the first state S1 to the second state S2, so that the blocking member 214 drives the positioning member 206 to convert from the first state S1 to the second state S2, so that the positioning member 206 The positioning portion 208 of the stopper 214 and the stopper portion 216 of the stopper 214 no longer correspond to the two parts of the positioning feature 204 of the first rail 202 (eg, the rear portion 204b and the front portion 204a ), so as to allow the second rail 210 to face the The first rail 202 is displaced from the second extending position E2 to the opening direction D1 or the retracting direction D2.

As shown in FIGS. 28 and 29 , when the second rail 210 is in the second extended position E2 relative to the first rail 202 , the user can also use the third rail 222 to remove the third rail 222 from the above-mentioned open position. K is displaced in the retracting direction D2 until the third rail 222 (eg, the rear end 222b ) contacts the auxiliary section 224 of the blocking member 214 (as shown in FIG. 28 ), so that the blocking member 214 is driven and no longer in the position In the first state S1, and the blocking member 214 can be linked with the positioning member 206, it is no longer in the first state S1 (as shown in FIG. 29 ), so that the positioning portion 208 of the positioning member 206 and the blocking member 214 are not in the first state S1 anymore. Stops 216 no longer correspond to two portions of locating features 204 of the first rail 202 (eg, rear portion 204b and front portion 204a ) to allow the second rail 210 to extend from the second extended position relative to the first rail 202 E2 is displaced in the opening direction D1 or the retracting direction D2 until the slide rail assembly 200 is in the fully retracted state. For example, the second rail 210 is in the retracted position R relative to the first rail 202 , and the The third rail 222 is also in a predetermined retracted position relative to the second rail 210 .

The slide rail assembly 200 according to the second embodiment of the present invention includes the following features: the positioning feature 204 of the first rail 202 may be a protrusion protruding laterally (laterally) relative to the longitudinal wall 205 of the first rail 202, And the positioning portion 208 of the positioning member 206 can be an extension foot; when the second rail 210 is in the second extending position E2 relative to the first rail 202, the positioning portion of the positioning member 206 in the first state S1 passes through 208, and through the blocking portion 216 of the blocking member 214 in the first state S1 corresponding to the two parts of the positioning feature 204 (for example, the rear portion 204b and the front portion 204a), a blocking or locking effect can be provided to prevent The second rail 210 is displaced relative to the first rail 202 from the second extending position E2 to the opening direction D1 or the retracting direction D2.

30 and 31 are slide rail assemblies 300 according to the third embodiment of the present invention. The difference between the slide rail assembly 300 of the third embodiment and the slide rail assembly 20 of the first embodiment is that the above-mentioned return elastic member 64 , the elastic member 90 and the predetermined wall 112 of the second rail 24 are omitted. .

Specifically, the first rail 302 of the third embodiment has a first auxiliary feature 304, and the operating member 305 is provided with a second auxiliary feature 306 for use with the first auxiliary feature 304. Here, the first auxiliary feature 304 is used. Both the auxiliary feature 304 and the second auxiliary feature 306 are protrusions, but the implementation is not limited. In addition, the operating member 305 has a latching feature 308, and the second rail 310 is provided with at least one predetermined portion, such as a first predetermined portion 312 and a second predetermined portion 314, for engaging with the latching feature 308 respectively. When the operating member 305 is in the first operating position P1 (as shown in FIG. 30 ) or the second operating position P2 (as shown in FIG. 31 ) relative to the second rail 310 , the operating member 305 can be maintained in the first operating position P1 or The second operating position P2. In this embodiment, the latching feature 308 is at least a part of an elongated hole 315 of a connecting member (screw or pin) passing through the second rail 310 , and the first predetermined portion 312 and the second predetermined portion 314 are located in the Preferably, the latching feature 308, the first predetermined portion 312 and/or the second predetermined portion 314 include a guide surface (such as an inclined surface or an arc surface), so that the operating member 305 can easily leave the The first operating position P1 or the second operating position P2.

Further, the slide rail assembly 300 may be in the fully extended state. Wherein, the second rail 310 is in the first extending position E1 relative to the first rail 302 , and the third rail 316 is in the open position K relative to the second rail 310 . When the second rail 310 is in the first extended position E1, the slide rail assembly 300 has a first length. Wherein, when the second rail 310 is in the first extended position E1 relative to the first rail 302, the blocking feature 318 can block the blocking portion 322 of the blocking member 320 in the first state S1, so as to prevent the second rail 310 is displaced from the first extending position E1 to the retracting direction D2 (as shown in FIG. 30 ). On the other hand, the positioning member 324 contacts the guiding portion 330 of the elastic seat 328 of the first rail 302 through the positioning portion 326 .

The user can move the operating member 305 from the first operating position P1 (shown in FIG. 30 ) to the second operating position P2 (shown in FIG. 31 ) by applying a force F to the operating member 305 , and the operating member 305 can be moved by the operating member The driving portion 332 of the 305 can drive the blocking member 320 to convert (eg pivot) from the first state S1 to the second state S2 and keep the blocking member 320 in the second state S2, so that the blocking feature 318 cannot block the blocking member 318 in the second state S2. The blocking portion 322 of the blocking member 320 in the second state S2 is used to allow the second rail 310 to be displaced relative to the first rail 302 from the first extending position E1 to the retracting direction D2 (as shown in FIG. 31 ) ). On the other hand, the blocking member 320 is linked with the positioning member 324 (eg, linked with the positioning member 324 to pivot), so that the positioning member 324 is also in the second state S2. When the blocking member 320 and the positioning member 324 are in the second state S2, the first elastic feature 334 and the second elastic feature 336 are respectively in a state of accumulating elastic force (as shown in FIG. 31 ).

As shown in FIG. 31 and FIG. 32 , when the second rail 310 is displaced relative to the first rail 302 from the first extending position E1 to the retracting direction D2, the stopper 320 in the second state S2 The blocking portion 322 and the positioning member 324 in the second state S2 cannot correspond to the positioning feature 338 of the first rail 302 through the positioning portion 326 . Therefore, the blocking member 320 and the positioning member 324 can directly move toward the retracting direction. D2 passes over the positioning feature 338 of the first rail 302 (as shown in FIG. 32 ), and when the second rail 310 is displaced to a predetermined stroke relative to the first rail 302 in the retracting direction D2 The second assist feature 306 contacts the first assist feature 304 of the first rail 302 (shown in FIG. 32 ).

As shown in FIGS. 32 and 33 , when the second rail 310 is further displaced relative to the first rail 302 in the retracting direction D2 , the second auxiliary feature 306 is blocked by the first auxiliary feature 304 . Force is applied to the operating member 305 to make the operating member 305 return to the first operating position P1 (shown in Figure 33 ) from the second operating position P2 (as shown in FIG. 32 ) to the opening direction D1 (as shown in FIG. 33 ), so that the blocking member 320 and the positioning member 324 respectively release the elastic force through the first elastic feature 334 and the second elastic feature 336 to return from the second state S2 (as shown in FIG. 32 ) to the first state S1 (as shown in FIG. 33 ) ). In addition, the second rail 310 can continue to move in the retracting direction D2 relative to the first rail 302 to a retracted position R (eg, a fully retracted position, as shown in FIG. 33 ). When the blocking member 320 and the positioning member 324 are in the first state S1 , the blocking portion 322 of the blocking member 320 and the positioning portion 326 of the positioning member 324 can correspond to the positioning feature 338 of the first rail 302 .

As shown in FIG. 34 and FIG. 35 , when the second rail 310 is displaced relative to the first rail 302 from the above-mentioned closed position R to the opening direction D1 to a predetermined stroke, the blocking member 320 in the first state S1 is blocked The portion 322 will contact the rear portion 338b of the locating feature 338 of the first rail 302 . Preferably, one of the rear portion 338b of the positioning feature 338 of the first rail 302 and the blocking portion 322 of the blocking member 320 has guiding The blocking portion 322 passes over the rear portion 338b of the positioning feature 338 in the opening direction D1.

As shown in FIGS. 36 to 38 , when the second rail 310 continues to move relative to the first rail 302 in the opening direction D1 to the second extending position E2 , the blocking member 320 passes through the blocking portion 322 and the positioning feature 338 The contact action makes the blocking member 320 no longer in the first state S1 (as shown in FIG. 36 ). At this time, the first elastic feature 334 accumulates an elastic force until the second rail 310 is opposite to the first rail 302 When displaced in the opening direction D1 to the second extending position E2 (as shown in FIG. 37 and FIG. 38 ), the blocking member 320 is in the first state S1 again in response to the release of the elastic force of the first elastic feature 334 (as shown in FIG. 37 ). 38 ), at this time, the positioning portion 326 of the positioning member 324 in the first state S1 and the blocking portion 322 of the blocking member 320 in the first state S1 correspond to two parts of the positioning feature 338 respectively (For example, the rear portion 338b and the front portion 338a, as shown in FIG. 37) can provide a blocking or locking effect to prevent the second rail 310 from the second extending position E2 toward the opening direction D1 relative to the first rail 302 Or the retraction direction D2 is displaced (as shown in Figure 37 and Figure 38). Similar to the above-mentioned first embodiment, when the second rail 310 is in the second extending position E2, the sliding rail assembly 300 has a second length smaller than the above-mentioned first length, which facilitates the opening of the third rail 316 toward the The direction D1 is removed from the second channel of the second rail 310 . Wherein, when the second rail 310 is in the second extending position E2 relative to the first rail 302, the blocking member 320 (and the positioning member 324) can also be driven by the operating member 305 or the third rail 316, so that the The second rail 310 can be separated from the second extending position E2 (since this part has been disclosed in the above-mentioned second embodiment, for the sake of brevity, it will not be repeated here).

It is worth mentioning that, referring to FIG. 31 again, once the blocking member 320 is driven by the operating member 305 to be in the second state S2, the blocking feature 318 cannot block the blocking member 320 in the second state S2 When the second rail 310 is displaced relative to the first rail 302 from the first extending position E1 to the retracting direction D2, if the operating member 305 is removed from the second rail 305 due to external or unexpected factors The operating position P2 returns to the first operating position P1, and at this time, the driving part 332 of the operating member 305 cannot keep the blocking member 320 in the second state S2 (for example, the blocking member 320 and the positioning member 324 pass through the first The elastic force of the first elastic feature 334 and the second elastic feature 336 returns to the first state S1), so that the blocking portion 322 of the blocking member 320 and the positioning portion 326 of the positioning member 324 correspond to the positioning feature 338 of the first rail 302, In this state, one of the front portion 338a of the locating feature 338 of the first rail 302 and the locating portion 326 of the locating member 324 has a guiding feature (eg, a sloped surface or a curved surface), which facilitates the locating member The positioning portion 326 of the 324 passes over the front portion 338a of the positioning feature 338 in the retracting direction D2 and the second elastic feature 336 is in a state of accumulating elastic force until the second rail 310 continues to move in the retracting direction D2 to the first position. In the second extended position E2 (as shown in FIGS. 37 and 38 ), the positioning member 324 is in the first state S1 again (as shown in FIGS. 37 and 38 ) in response to the second elastic feature 336 releasing the elastic force, At this time, the positioning portion 326 of the positioning member 324 in the first state S1 and the blocking portion 322 of the blocking member 320 in the first state S1 correspond to two parts of the positioning feature 338 (eg, the rear portion 338b and the front portion 338b respectively). portion 338a, as shown in FIG. 37) can provide a blocking or locking effect to prevent the second rail 310 from displacing relative to the first rail 302 from the second extending position E2 to the opening direction D1 or the retracting direction D2 (as shown in Figure 37 and Figure 38).

The features included in the slide rail assembly 300 of the third embodiment of the present invention:

1. The first rail 302 has a first auxiliary feature 304, and the operating member 305 is provided with a second auxiliary feature 306; when the second rail 210 is displaced relative to the first rail 202 from the first extending position E1 to the retracting direction D2 to During a predetermined stroke, when the second auxiliary feature 306 is blocked by the first auxiliary feature 304, a force is generated to the operating member 305, so that the operating member 305 located on the second rail 210 can be moved from the second operating position P2 returns to the first operating position P1, so that the blocking member 320 and the positioning member 324 respectively release the elastic force through the first elastic feature 334 and the second elastic feature 336 to return from the second state S2 to the first state S1; When the second rail 310 is displaced relative to the first rail 302 in the opening direction D1 to the second extending position E2, the positioning portion 326 of the positioning member 324 in the first state S1 and the blocking member in the first state S1 The blocking portion 322 of the 320 corresponding to the two positions of the positioning feature 338 can provide a blocking or locking effect to prevent the second rail 310 from the second extending position E2 relative to the first rail 302 to the opening direction D1 or The retraction direction D2 is displaced.

2. The operating member 305 has a locking feature 308, and the second rail 310 is provided with at least one predetermined portion, such as a first predetermined portion 312 and a second predetermined portion 314, for locking with the locking feature 308, respectively, The operating member 305 can be maintained in the first operating position P1 or the second operating position P2 relative to the second rail 310 .

Although the present invention has been described with reference to the present specific embodiments, those of ordinary skill in the art will recognize that the above embodiments are only used to illustrate the present invention, and can be made without departing from the spirit of the present invention Various equivalent changes and modifications, therefore, as long as the changes and modifications to the above-mentioned embodiments within the essential spirit of the present invention, will fall within the scope of the claims of the present application.

Claims (20)

1. A slide rail assembly comprises a first rail, a second rail, a stopper, a positioning member and an operating member, wherein the second rail can move relative to the first rail, and the slide rail assembly is characterized in that:

the first rail is provided with a blocking feature and a positioning feature;

the blocking piece and the positioning piece are movably mounted to the second rail, so that the blocking piece and the positioning piece can be in one of a first state and a second state relative to the second rail;

the operating piece is used for operating one of the stopper and the positioning piece;

when the second rail is located at a first extending position relative to the first rail, the blocking feature of the first rail can block the blocking piece in the first state, so as to prevent the second rail from moving from the first extending position to a folding direction;

when the second rail is located at a second extending position relative to the first rail, the positioning element and the blocking element in the first state respectively correspond to two parts of the positioning feature of the first rail, so as to prevent the second rail from moving relative to the first rail from the second extending position to an opening direction or a folding direction;

when the second rail is at the first extending position, the slide rail assembly has a first length; when the second rail is in the second extended position, the slide rail assembly has a second length smaller than the first length.

2. The slide rail assembly of claim 1 wherein the operating member is operable to move from a first operating position to a second operating position to move the blocking member from the first state to the second state and to maintain the blocking member in the second state such that the blocking feature does not block the blocking member in the second state to allow the second rail to move from the first extended position to the retracted position.

3. The slide rail assembly of claim 2, wherein when the stopper is switched from the first state to the second state, the stopper drives the positioning element to the second state.

4. The slide rail assembly according to claim 3, wherein when the second rail is displaced from the first extended position to the retracting direction and the stopper and the positioning element are in the second state, the stopper and the positioning element can cross the positioning feature in the retracting direction until the second rail continues to be displaced to a predetermined stroke in the retracting direction, the first auxiliary feature of the first rail and the second auxiliary feature of the operating element are in contact with each other to generate an acting force to the operating element, so that the operating element returns from the second operating position to the first operating position, and the stopper and the positioning element return from the second operating position to the first operating position by elastic forces of a first elastic feature and a second elastic feature, respectively.

5. The slide rail assembly of claim 4 wherein when the second rail moves from a retracted position to the open position to the second extended position relative to the first rail, the positioning element and the blocking element in the first state respectively correspond to two portions of the positioning feature of the first rail to prevent the second rail from moving from the second extended position to the open position or the retracted position relative to the first rail.

6. The slide rail assembly of claim 1 wherein the operating member is operatively mounted to the second rail.

7. The slide rail assembly of claim 6 wherein the operating member has a detent feature and the second rail has at least one predetermined portion for engaging the detent feature such that the operating member is retained relative to the second rail in at least one of the first operating position and the second operating position.

8. The slide rail assembly according to claim 1, wherein when the second rail is located at the second extending position relative to the first rail, the operating member is operable to move from a first operating position to a second operating position to drive the blocking member and the positioning member to change from the first state to the second state, such that the positioning member and the blocking member no longer correspond to two portions of the positioning feature of the first rail, so as to allow the second rail to move from the second extending position to the opening direction or the retracting direction relative to the first rail.

9. The slide rail assembly of claim 1 further comprising a third rail, the second rail being movably mounted between the first rail and the third rail; when the second rail is located at the second extending position relative to the first rail, the third rail can drive the blocking piece to be no longer located at the first state in the process of moving from an opening position relative to the second rail to the folding direction, and the blocking piece can be linked with the positioning piece to be no longer located at the first state, so that the positioning piece and the blocking piece are no longer corresponding to two parts of the positioning feature of the first rail, and the second rail is allowed to move from the second extending position relative to the first rail to the opening direction or the folding direction.

10. The slide rail assembly of claim 1 wherein the stop member and the positioning member are pivotally connected to the second rail.

11. A slide rail assembly comprises a first rail, a second rail, a stopper, a positioning member and an operating member, wherein the second rail can move relative to the first rail, and the slide rail assembly is characterized in that:

the first rail is provided with a positioning feature;

the blocking piece and the positioning piece are movably mounted to the second rail, so that the blocking piece and the positioning piece can be in one of a first state and a second state relative to the second rail;

the operating piece is used for operating one of the stopper and the positioning piece;

when the second rail moves from a retracted position to an extended position relative to the first rail in an opening direction, the positioning element and the blocking element in the first state respectively correspond to two parts of the positioning feature of the first rail, so as to prevent the second rail from moving from the extended position to the opening direction or the retracted direction relative to the first rail.

12. The slide rail assembly of claim 11, wherein the operating member is operable to move from a first operating position to a second operating position to drive the blocking member and the positioning member to change from the first state to the second state, such that the positioning member and the blocking member no longer correspond to two locations of the positioning feature of the first rail, thereby allowing the second rail to move relative to the first rail from the extended position toward the opening direction or the retracting direction.

13. The slide rail assembly of claim 12 wherein the first rail is further provided with a stop feature; when the second rail moves from the extending position to the opening direction to another extending position relative to the first rail, the blocking feature can block the blocking piece in the first state so as to prevent the second rail from moving from the another extending position to the folding direction; when the second rail is at the other extending position, the sliding rail assembly has a first length; when the second rail is in the extended position, the slide rail assembly has a second length that is less than the first length.

14. The slide rail assembly of claim 13 wherein the operating member is operable to move from a first operating position to a second operating position to move the blocking member from the first state to the second state and to maintain the blocking member in the second state such that the blocking feature does not block the blocking member in the second state to allow the second rail to move from the extended position to the retracted position.

15. The slide rail assembly of claim 14 wherein the stopper drives the positioning element to the second state when the stopper is switched from the first state to the second state.

16. The slide rail assembly according to claim 15, wherein when the second rail is displaced from the other extending position to the retracting direction and the stopper and the positioning element are in the second state, the stopper and the positioning element can move past the positioning feature in the retracting direction until the second rail continues to move to a predetermined stroke in the retracting direction, a first auxiliary feature of the first rail and a second auxiliary feature of the operating element contact each other to generate an acting force on the operating element, so that the operating element returns from the second operating position to the first operating position, and the stopper and the positioning element return from the second operating position to the first operating position by elastic forces of a first elastic feature and a second elastic feature, respectively.

17. The slide rail assembly of claim 11 wherein the operating member is operatively mounted to the second rail.

18. The slide rail assembly of claim 17 wherein the operating member has a detent feature and the second rail has at least one predetermined portion for interengaging the detent feature to retain the operating member in at least the second operative position relative to the second rail.

19. The slide rail assembly according to claim 11, wherein when the second rail is located at the extended position relative to the first rail, the operating member is operable to move from a first operating position to a second operating position to drive the blocking member and the positioning member to change from the first state to the second state, such that the positioning member and the blocking member no longer correspond to two portions of the positioning feature of the first rail, so as to allow the second rail to move from the extended position to the opening direction or the retracting direction relative to the first rail.

20. The slide rail assembly of claim 11 further comprising a third rail, the second rail being movably mounted between the first rail and the third rail; when the second rail is located at the extending position relative to the first rail, the third rail can drive the blocking piece to be no longer in the first state in the process of moving from an opening position relative to the second rail to the folding direction, and the blocking piece can be linked with the positioning piece to be no longer in the first state, so that the positioning piece and the blocking piece are no longer corresponding to two parts of the positioning characteristic of the first rail, and the second rail is allowed to move from the extending position to the opening direction or the folding direction relative to the first rail.

Images