TWI448264B - Latch and release device for a slide assembly - Google Patents

Description

Locking and releasing device for slide rail assembly

The present invention relates to a lock and release device for a slide rail assembly, and more particularly to a device that is more labor-saving and has a stable and stable lock.

The "Latch and release device for a slide assembly" of the US Patent No. 7,604,308 B2, which is incorporated by the disclosure of the entire disclosure of which is incorporated herein by reference. The first end is fixed to the sliding rail, and the first end is fixed to the sliding rail, and the bottom of the clamping portion is fixed to a fixing portion to restrict the sliding rail from extending. The pressing button is provided with a fixing hole, and the mounting bracket is provided. There is a receiving chamber for accommodating the pressing button to set and slide, and an opening is provided for the fixing hole of the pressing button, so that the elastic latching member is fixed to the fixing hole of the pressing button with the second end penetrating through the opening. When the operation is released, the second end of the elastic latch member is directly pressed by the pressing button, and the force must be released from the fixing portion of the elastic latching member to enable the sliding The state of the track is unlocked.

In addition, the "User-controllable latching carrier rail system" of U.S. Patent No. 7,364,244, which is incorporated by the disclosure of the entire disclosure of which is incorporated herein by reference. A portion (distal portion 310A) is fixed to a slide rail 302A, an intermediate portion 310B forms an angle with the end portion, and a proximal portion 310C extends from the intermediate portion, and A handle 204 extends from the proximal portion. The proximal portion has a protrusion 308, and the user directly controls the handle to deform the middle portion and the proximal portion relative to the slide rail, and the protrusion can be self-locked. In the middle.

The above-mentioned unlocking operation means must rely on the user's operating force to directly resist the elastic force generated by the lock member (or the elastic snap member), and therefore, it is relatively labor-intensive. Therefore, there is room for improvement in terms of operation and effort.

In addition, the elastic latching member or the locking member disclosed above maintains a stable locking effect in the locked state, and also depends on the relative interlocking member not easily changing the corresponding distance to ensure the click portion. The hooking effect will not be invalid.

The invention relates to a locking and releasing device for a slide rail assembly, which has the characteristics of more convenient lifting operation and reliable and stable locking.

According to one aspect of the present invention, a lock and release device for a slide rail assembly includes a first rail member and a second rail member longitudinally slidably displaced relative to the first rail member; The second rail member includes: a latching member fixed to the second rail member, the latching member comprising an elastic arm and a latching portion disposed on the elastic arm, and the latching portion facing the first rail An operating member includes a first end portion, a second end portion, and a body portion extendingly coupled to the first end portion and the second end portion, the body portion being pivotally connected with respect to the second rail member, and The first end of the operating member abuts the elastic arm; when the second end of the operating member is displaced, the elastic arm is abutted against the first end of the operating member relative to the second member Elastically displaced.

The latch portion extends from both sides of the elastic arm, and the latch portion has an inclined surface and a vertical surface extends from the inclined surface.

The utility model further includes an attachment member fixed to the second rail member, the attachment member having a pivoting portion and an adjacent opening forming an opening, the body of the operating member being inserted into the opening of the accessory member and pivoted Connected to the pivoting portion of the accessory.

Wherein the accessory is formed by extending from one end of the second rail member.

Further, a handle is fixed to the second end of the operating member.

The utility model further includes a bracket fixed to the first rail member, the bracket comprising a fastener, the buckle and the latch portion of the latch member when the second rail member is folded relative to the first rail member Interlocking and positioning.

According to another aspect of the present invention, a slide rail assembly includes a first rail member; a second rail member is longitudinally slidably displaced relative to the first rail member, the second rail member including an upper wall, a lower wall, And a side wall extending to connect the upper and lower walls; a bracket is fixed to the first rail member; a latch member is fixed to the second rail member, the latch member includes an elastic arm and a latch portion The arm is disposed on the elastic arm, and the latch portion faces the bracket; and an attachment member is fixed to the second rail member, the attachment member has a pivoting portion and the adjacent pivoting portion forms an opening; The pivoting portion is pivotally connected to the attachment, the operating member includes a first end portion, a second end portion, and a body portion extending from the first end portion and the second end portion, the body portion is worn In the opening of the attachment, the first end of the operating member is abutted against the elastic arm, and the second end of the operating member extends beyond the opening of the attachment.

Wherein, the bracket comprises a fastener for positioning the latch portion of the elastic arm.

The latch portion extends from both sides of the elastic arm, and the latch portion has an inclined surface and a vertical surface extends from the inclined surface.

Wherein, the accessory further comprises a pair of extending wings extending over the upper and lower walls of the second rail member, and the bracket comprises a pair of receiving portions, each receiving portion comprising a blocking wall and a bottom wall by the blocking wall The bottom portion extends to the bracket, and the retaining wall and the bottom wall together form a receiving passage for opposing each of the extending wings.

1 and 2 are diagrams showing a preferred embodiment of the present invention, including a first rail member 12, a second rail member 14 longitudinally slidably displaced relative to the first rail member 12, and a bracket 16 fixed to the first portion A rail member 12 and a fastener member 18 are disposed on the bracket 16 , a latching member 20 is fixed to the second rail member 14 , and an operating member 22 is pivotally connected to the second rail member 14 . among them:

The second rail member 14 includes an upper wall 24, a lower wall 26, and a side wall 28 extending to connect the upper and lower walls 24, 26.

The latching member 20 includes a resilient arm 30 and a latching portion 32 disposed on the resilient arm 30, and the latching portion 32 faces the first rail member 12 or the bracket 16. In this embodiment, the latch portion 32 extends from both sides of the elastic arm 30, and the latch portion 32 has an inclined surface 34 and a vertical surface 36 extends from the inclined surface 34, and includes an accessory member 38. The second rail member 14 is fixed to the second rail member 14 . The bracket member 38 has a pivoting portion 40 and an opening 42 is formed adjacent to the pivoting portion 40 .

The operating member 22 includes a first end portion 44, a second end portion 46, and a body portion 48 extending from the first end portion 44 and the second end portion 46. The body portion 48 is pivotally connected to the first end portion 46. The pivot portion 40 of the attachment member 38 on the second rail member 14 and the body portion 48 is inserted through the opening 42 of the attachment member 38. The first end portion 44 of the operating member 22 abuts the elastic arm 30, and the second end portion 46 extends out of the opening 42 of the attachment member 38. When the second end portion 46 of the operating member 22 is displaced by displacement, the first end portion 44 pivots about the body portion 48 to abut against the elastic arm 30 relative to the second rail member 14 . Elastically displaced.

In this embodiment, a handle 50 is further fixed to the second end portion 46 of the operating member 22 to facilitate the pulling of the operating member 22 by a user's finger.

3 and 4 are further diagrams showing a possible embodiment of the present invention, wherein the attachment member 38 further includes a pair of extension wings 52 extending beyond the upper wall 24 and the lower wall 26 of the second rail member 14. The bracket 16 includes a pair of receiving portions 54 each including a retaining wall 56 and a bottom wall 58 extending from the bottom of the retaining wall 56 to the bracket 16, the retaining wall 56 and the bottom wall 58 together form a receiving passage 60 for opposing the extension wing 52 for the extension wing 52 to rest within the receiving passage 60 to limit displacement of the extension wing 52.

5 and 6 are views showing the folded state of the second rail member 14 with respect to the first rail member 12, wherein the pair of extending wings 52 of the attachment member 38 are now located in the pair of receiving portions 54 of the bracket 16. The lateral distance of the second rail member 14 relative to the first rail member 12 is limited to ensure the stability of the collapsed state. In addition, the latching member 20 is engaged with the fastener member 18 of the bracket 16 by the vertical surface 36 of the latching portion 32, and is interlocked with each other so that the second rail member 14 is opposite to the first rail member. 12 has a folding positioning effect.

7 is a view showing that when the second end portion 46 of the operating member 22 is displaced, the operating member 22 is pivoted to press the first end portion 44 against the elastic arm 30, so that the elastic arm 30 is opposite to the elastic arm 30. The second rail member 14 is elastically displaced to disengage the vertical surface 36 of the latch portion 32 from the fastener member 18, and the second rail member 14 can be slidably pulled out. Thus, the present invention achieves a labor-saving operation and use effect by such an operation release method.

Figure 8 is a further preferred embodiment of the present invention showing an accessory member 200 extending from one end of the second rail member 14.

Figure 9 is a further preferred embodiment of the present invention showing a fastener 202 extending from the bracket 16.

12. . . First rail

14. . . Second rail

16. . . bracket

18. . . Fastener

20. . . Card assembly

twenty two. . . Operating part

twenty four. . . Upper wall

26. . . Under wall

28. . . Side wall

30. . . Elastic arm

32. . . Card department

34. . . Inclined surface

36. . . Vertical plane

38. . . Accessory

40. . . Pivot

42. . . Opening

44. . . First end

46. . . Second end

48. . . Body

50. . . Nest

52. . . Extension wing

54. . . Housing

56. . . Barrier

58. . . Bottom wall

60. . . Accommodating channel

200. . . Accessory

202. . . Fastener

1 is a schematic view showing the configuration of a preferred embodiment of the present invention;

2 is a schematic view showing the configuration of another perspective of a preferred embodiment of the present invention;

3 is a schematic view showing the arrangement of an extension wing and a receiving portion according to a preferred embodiment of the present invention;

Figure 4 is a view showing another perspective view of the preferred embodiment of the present invention including the extending wings;

Figure 5 is a schematic view showing the appearance of a slide rail assembly in a preferred embodiment of the present invention;

Figure 6 is a schematic view showing the lock of the slide rail assembly in a preferred embodiment of the present invention;

Figure 7 is a schematic view showing a preferred embodiment of the present invention;

Figure 8 is a view showing the attachment of the attachment member to the second rail member according to another preferred embodiment of the present invention;

Figure 9 is a schematic view showing the fastener formed on the bracket in still another preferred embodiment of the present invention.

12. . . First rail

14. . . Second rail

16. . . bracket

18. . . Fastener

20. . . Card assembly

twenty two. . . Operating part

twenty four. . . Upper wall

26. . . Under wall

28. . . Side wall

30. . . Elastic arm

32. . . Card department

34. . . Inclined surface

36. . . Vertical plane

38. . . Accessory

40. . . Pivot

42. . . Opening

44. . . First end

48. . . Body

50. . . Nest

Claims (9)

A lock and release device for a slide rail assembly, comprising a first rail member and a second rail member longitudinally slidingly displaced relative to the first rail member; the device is disposed on the second rail member, and includes a latching member fixed to the second rail member, the latching member comprising an elastic arm and a latching portion disposed on the elastic arm and facing the first rail member; the latching portion is formed by the elastic arm Extending on both sides, the latch portion has an inclined surface and a vertical surface extending from the inclined surface; and an operating member including a first end portion, a second end portion, and a body portion extending to the first portion An end portion and a second end portion, the body portion is pivotally connected with respect to the second rail member, and the first end portion of the operating member abuts the elastic arm; wherein, when the second end portion of the operating member is When the displacement is pulled, the elastic arm is abutted against the first end of the operating member and elastically displaced relative to the second rail member. The lock and release device of claim 1, further comprising an attachment member fixed to the second rail member, the attachment member having a pivoting portion and an adjacent opening to form an opening, The body of the operating member is a pivoting portion that is inserted through the opening of the attachment and pivoted to the attachment. The lock and release device of claim 2, wherein the attachment is formed by extending from one end of the second rail member. The lock and release device of claim 1, further comprising a handle fixed to the second end of the operating member. The lock and release device of claim 1, further comprising a bracket fixed to the first rail member, the bracket comprising a fastener, wherein the second rail member is opposite to the first rail member When folded, the fastener and the latch portion of the clip are interlocked and positioned. A slide rail assembly comprising: a first rail member; a second rail member longitudinally slidingly displaced relative to the first rail member, the second rail member comprising an upper wall, a lower wall, and a side wall extending connection The upper and lower walls; a bracket fixed to the first rail member; a latch member fixed to the second rail member, the latch member comprising an elastic arm and a latching portion is disposed on the elastic arm, and the latching portion faces the bracket; an accessory is fixed to the second rail member, the attaching member has a pivoting portion and the adjacent pivoting portion forms a And an operating member pivotally connected to the pivoting portion of the accessory, the operating member comprising a first end portion, a second end portion, and a body portion extending from the first end portion and the second end portion The body is threaded into the opening of the attachment, the first end of the operating member is abutted against the elastic arm, and the second end of the operating member extends beyond the opening of the attachment. The slide rail assembly of claim 6, wherein the bracket includes a fastener for positioning the latch portion of the elastic arm. The slide rail assembly of claim 6, wherein the latch portion extends from both sides of the elastic arm, and the latch portion has an inclined surface and a vertical surface extends from the inclined surface. The slide rail assembly of claim 6, wherein the attachment further comprises a pair of extension wings extending beyond the second rail member and the lower wall, and the bracket comprises a pair of receiving portions, each A receiving portion includes a retaining wall and a bottom wall extending from the bottom of the retaining wall to the bracket, the retaining wall and the bottom wall together forming a receiving passage for opposing each of the extending wings.