TWI421049B - Slide assembly and connecting mechanism thereof - Google Patents

Description

Slide rail assembly and connection structure thereof

The present invention relates to a slide rail assembly and a joint structure thereof, particularly to a three-stage slide rail assembly, and a three-stage slide rail assembly, a middle rail and an outer rail, and a middle rail and inner rail. Rail synchronization connection structure.

The positioning mechanism of the slide rails is "Lock and release mechanism for slide assembly" of U.S. Patent No. 6,643,311, and "Locating structure for a slide assembly" of U.S. Patent No. 7,357,468.

The synchronizing mechanism for the three-stage slide rails is "Synchronizing device for a tri-sector slide" of U.S. Patent No. 6,997,529, and "Synchronous system for a three-stage ball bearing slide" of U.S. Patent No. 7,431,269.

From the front positioning mechanism and the synchronization mechanism, the main technical feature is how the card block and the card hole or the card groove are mutually clamped, so that the slide rails are indeed positioned and surely synchronized, and How to smoothly release the latch between the latching block and the latching hole or the latching recess, so that the slide rails can be smoothly displaced relative to each other; therefore, the correct latching and smooth release mechanism between the sliding rails is The goal of research and development staff.

In addition, the front positioning mechanism and the synchronization mechanism are separately provided. This installation method requires a large number of processing procedures, and the manufacturing and material costs are high.

The present invention relates to a slide rail assembly and a connection structure thereof, mainly when a three-stage slide rail assembly is pulled out from a closed position, and the inner rail and the middle rail can be surely stuck along such a pull-out stroke. Simultaneously withdrawing, and positioning the middle rail and the outer rail at the appropriate extraction position, and allowing the inner rail and the middle rail to be released from the inner rail; and further synchronizing the middle rail and the inner rail and The middle rail is combined with the positioning mechanism of the outer rail.

According to the foregoing objective, the present invention provides a slide rail assembly comprising: an outer rail provided with a locking hole and a release hole; a middle rail slidably coupled to the outer rail, and a first one disposed on the middle rail a second perforation and a second perforation, and the second perforation corresponds to the release hole; the locking member extends to a fixing portion and is fixedly mounted to the middle rail, the locking member includes a a locking portion and an unlocking portion, wherein the locking portion is inserted into the first through hole of the middle rail and elastically abuts against the outer rail, and the unlocking portion is connected to the locking portion and from the middle rail a first punching protrusion; a synchronous linking member extending from the fixing portion of the locking member to pass through the second through hole of the middle rail and elastically abutting against the outer rail, the synchronous linking member comprising a clicker convex a second perforated protrusion extending from the middle rail and abutting portion adjacent to the latching protrusion, the latching protrusion comprises a sloped surface; an inner rail slidingly connected to the middle rail, comprising a connecting hole, the connecting Extending a tab in the hole; a release member fixedly mounted to the inner rail, the The releasing member includes an unlocking portion of the inclined guiding surface with respect to the locking member; a connecting member extending from the releasing member, the connecting member including a connecting hole corresponding to the inner rail at one end and abutting the protruding piece, and Connecting the end portion to extend a shoulder portion relative to the latching protrusion of the synchronous linkage; when the middle rail is displaced relative to the outer rail, the locking portion of the locking member slides against the outer rail, and in the middle When the first perforation of the rail is displaced to the locking hole corresponding to the outer rail, the locking portion of the locking member protrudes into the locking hole of the outer rail, so that the middle rail is locked with respect to the outer rail; when the inner rail is opposite to the middle rail When the rail displacement is folded, the unlocking portion of the locking member is erected by the inclined guiding surface of the releasing member, so that the locking portion of the locking member is disengaged from the locking hole of the outer rail, so that the middle rail is opposite to the outer rail When the inner rail is withdrawn relative to the outer rail, the shoulder of the connecting member and the latching protrusion of the synchronous linkage are mutually engaged, so that the middle rail is synchronously extracted by the inner rail, and the middle rail is After the outer rail is locked, the abutting portion of the synchronous linkage falls toward the release hole of the outer rail. The latching protrusion is also retracted from the second through hole, so that the shoulder of the connecting member and the latching protrusion of the synchronous linking member are unlocked to continuously withdraw the inner rail; when the middle rail first receives the outer rail When the inner rail is displaced relative to the middle rail, the inclined surface of the latching protrusion of the synchronous linking member is slidable by the connecting member, and the connecting member is temporarily elastically flexed to the connecting hole of the inner rail, and After the shoulder of the connecting member slides against the inclined surface of the latching protrusion and passes over, the connecting member releases the elastic potential energy, so that the shoulder and the latching protrusion of the synchronous linking member are again engaged with each other.

Preferably, the outer rail includes an intermediate portion projecting toward the middle rail for the locking portion of the locking member to abut against the abutting portion of the synchronous linkage.

Preferably, the width of the abutting portion of the synchronous link is greater than the width of the locking hole of the outer rail.

Preferably, the width of the synchronous linkage is greater than the width of the locking aperture of the outer rail.

The present invention also provides a connection structure for a slide rail assembly, comprising: a locking member, comprising a fixing portion, a locking portion and an unlocking portion, the unlocking portion connecting the locking portion and protruding from the locking portion; a release member includes an unlocking portion of the inclined guiding surface relative to the locking member; the inclined guiding surface of the releasing member is displaced relative to the unlocking portion of the locking member to propel the unlocking portion of the locking member, so that the locking member is generated Elastically flexing and causing the locking portion to move; a synchronous linkage comprising a latching protrusion and abutting portion adjacent to the latching projection, the latching projection comprising a bevel; and a connecting member comprising one end And engaging the end portion of the shoulder portion with respect to the latching protrusion of the synchronous linking member; the shoulder portion of the connecting member is engaged with the latching protrusion of the synchronous linking member to drive the synchronous linking member to synchronously displace And after the locking portion of the locking member is positioned, the abutting portion of the synchronous linking member is reversely displaced relative to the connecting member, so that the latching protrusion of the synchronous linking member is released from the shoulder of the connecting member; the connection is Relative to the synchronous linkage And the inclined surface of the latching protrusion of the synchronous linking member is slidable by the connecting member, and the connecting member is temporarily elastically flexed, and after the shoulder slides against the inclined surface of the latching protrusion and passes over, the The shoulder of the connector and the latching projection of the synchronous linkage again engage each other.

Preferably, the synchronous linkage is extended by the fixing portion of the locking member.

Preferably, the connector is extended by the release member.

1 and 2 show a preferred embodiment of the slide rail assembly of the present invention and its connection structure, including an outer rail 10, a middle rail 12, a locking member 14, an inner rail 16 and a release member 18, The outer rail 10 includes a locking hole 20, a release hole 22, and a protruding intermediate portion 24; the middle rail 12 is slidably coupled to the outer rail 10, and a first perforation is disposed on the middle rail 12. 26 and a second through hole 28, and when the first through hole 26 corresponds to the locking hole 20, the second through hole 28 corresponds to the release hole 22 (see FIG. 4); the locking member 14 extends to a fixing portion 29 It is fixedly mounted to the middle rail 12.

In a preferred embodiment, the fixing portion 29 has a pair of holes 31. The middle rail 12 has a pair of convex portions 33 correspondingly disposed through the pair of holes 31, and is fixed by a means, for example, by riveting. In a manner, the pair of convex portions 33 are fixed to the pair of holes 31, and the locking member 14 is fixedly mounted to the middle rail 12.

The locking member 14 includes a locking portion 30 and an unlocking portion 32. The locking portion 30 is inserted into the first through hole 26 of the middle rail 12 and elastically abuts against the intermediate portion 24 of the outer rail 10. The unlocking portion 32 is connected to the locking portion 30 and protrudes from the first through hole 26 of the middle rail 12.

In this embodiment, a synchronous linkage 34 is further included. Preferably, the synchronous linkage 34 is extended by the fixing portion 29 of the locking member 14 and penetrates the second through hole 28 of the middle rail 12, and is elastic. Abutting on the intermediate portion 24 of the outer rail 10, the synchronous linkage 34 includes a latching projection 36 projecting from the second through hole 28 of the middle rail 12 and abutting portion 38 abutting the latching projection 36. The latching projection 36 includes a bevel 40.

The inner rail 16 is slidably coupled to the middle rail 12, and a connecting hole 42 is defined in the inner rail 16, and a tab 44 extends inside the connecting hole 42.

The release member 18 is fixedly mounted to the inner rail 16. In a preferred embodiment, the release member 18 has a pair of holes 35. The inner rail 16 has a pair of protrusions 37 correspondingly disposed through the pair of holes 35, and is fixed by, for example, riveting. In a manner, the pair of convex portions 37 are fixed to the pair of holes 35, and the release member 18 is fixedly mounted to the inner rail 16. And the release member 18 includes an unlocking portion 32 of the inclined guiding surface 46 relative to the locking member 14.

In this embodiment, a connecting member 48 is further included. Preferably, the connecting member 48 is extended by the releasing member 18. The connecting member 48 includes a connecting hole 42 corresponding to the inner rail 16 at one end portion 50 and abutting The tab 44 and the tab portion 52 extending from the end portion 50 are opposite to the latching projection 36 of the synchronous link member 34.

And, preferably, the width (W1) of the abutting portion 38 of the synchronous link member 34 is larger than the width (W2) of the locking hole 20 of the outer rail 10.

Therefore, when the abutting portion 34 slides against the intermediate portion 24 of the outer rail 10 and passes through the locking hole 20, the synchronous linking member 34 does not sink into the locking hole 20, so that the synchronous linking member 34 does not fall into the locking hole 20. The synchronous linkage 34 can smoothly pass through the locking hole 20.

Moreover, as shown in FIG. 8, in another preferred embodiment, the synchronous linking member 34a includes at least one latching projection 36a projecting from the second through hole 28a of the middle rail 12a, and the synchronous linking member 34a The width (W3) is greater than the width (W4) of the locking hole 20a of the outer rail 10a; whereby the synchronous linkage 34a slides against the intermediate portion 24a of the outer rail 10a and passes through the locking hole 20a, the synchronous linkage The 34a does not sink into the locking hole 20a, so that the synchronous link 34a can smoothly pass through the locking hole 20a.

Referring to FIG. 2, when the inner rail 16 is folded with respect to the outer rail 10, the synchronous linkage 34 abuts the intermediate portion 24 of the outer rail 10 with the abutting portion 38, and the shoulder of the connecting member 48 52 is an initial projection corresponding to the latching projection 36 of the synchronous linkage 34, and capable of being withdrawn from the outer rail 10 with respect to the outer rail 10, as shown in FIG. 3, by the shoulder 52 being adjacent to the latching projection The bodies 36 are mutually latched such that the inner rail 16 and the middle rail 12 are in a linked relationship.

Referring to FIG. 4, when the inner rail 16 is synchronously displaced with the middle rail 12, that is, the middle rail 12 is displaced forward relative to the outer rail 10, the locking portion 30 of the locking member 14 abuts against the outer rail. The intermediate section 24 of the slide 10 slides, and when the first through hole 26 of the middle rail 12 is displaced to the locking hole 20 corresponding to the outer rail 10, the locking member 19 is initially elastically deflected by the locking portion 30, that is, releasing the elastic potential energy. And extending into the locking hole 20 of the outer rail 10, the middle rail 12 is locked relative to the outer rail 10, in particular, the middle rail 12 cannot be retracted backward.

Meanwhile, as shown in FIG. 4, when the first through hole 26 of the middle rail 12 corresponds to the locking hole 20 of the outer rail 10 to lock the middle rail 12, the second through hole 28 of the middle rail 12 corresponds to the outside. The release hole 22 of the rail 10, and after the middle rail 12 is locked with respect to the outer rail 10, since the abutting portion 38 of the synchronous linkage 34 is reversely displaced relative to the connecting member 48, the abutment portion of the synchronous linkage 34 38, that is, the relief hole 22 of the outer rail 10 is lowered, so that the latching projection 36 is also retracted from the second through hole 28, so that the shoulder portion 52 of the connecting member 48 and the synchronization linkage 34 are convexly convex. The body 36 releases the cassette and the inner rail 16 can be continuously withdrawn as shown in FIG.

In a state where the middle rail 12 is locked with respect to the outer rail 10 and cannot be retracted backward, when the lock state is to be released, refer to FIG. 6 , which is a process of folding back and rear with respect to the outer rail 10 by the inner rail 16 . The inclined guiding surface 46 of the releasing member 18 is displaced toward the unlocking portion 32 of the locking member 14 , and the locking portion 32 is supported by the inclined guiding surface 46 to fix the locking portion 30 of the locking member 14 . When the locking hole 20 of the outer rail 10 is disengaged, the middle rail 12 can be folded again with respect to the outer rail 10.

Referring to FIG. 7, when the middle rail 12 firstly receives the outer rail 10 and the inner rail 16 is displaced relative to the middle rail 12, the connecting member 48 is also displaced relative to the synchronous linkage 34, wherein the synchronization occurs. The linking member 34 is opposite to the intermediate portion 24 of the outer rail 10 by the abutting portion 38, so that the latching projection 36 can be fixed and cannot be retracted. At this time, the bevel 40 of the latching projection 36 is used for the connecting member. The sliding member 48 elastically flexes the connecting member 48 to the connecting hole 42 of the inner rail 16, and after the shoulder portion 52 of the connecting member 48 passes over the latching projection 36, the connecting member 48 releases the elastic position energy. The shoulder portion 52 of the connecting member 48 and the latching projection 36 of the synchronous linking member 34 are returned to the interlocking relationship with each other.

10. . . Outer rail

10a. . . Outer rail

12. . . Middle rail

12a. . . Middle rail

14. . . Locking piece

16. . . Inner rail

18. . . Release piece

20. . . Locking hole

20a. . . Locking hole

twenty two. . . Release hole

twenty four. . . Middle section

24a. . . Middle section

26. . . First perforation

28. . . Second perforation

28a. . . Second perforation

29. . . Fixed part

30. . . Locking part

31. . . hole

32. . . Unlocking department

33. . . Convex

34. . . Synchronous linkage

34a. . . Synchronous linkage

35. . . hole

36. . . Card bump

36a. . . Card bump

37. . . Convex

38. . . Abutment

40. . . Bevel

42. . . Connection hole

44. . . Tab

46. . . Tilting guide surface

48. . . Connector

50. . . Ends

52. . . Shoulder

Figure 1 is a perspective exploded view of an embodiment of the present invention;

2 is a schematic view showing the folding of the inner rail relative to the outer rail according to the embodiment of the present invention;

Figure 3 is a schematic view showing the initial stroke of the inner rail relative to the outer rail in the embodiment of the present invention;

4 is a schematic view showing the middle rail being locked relative to the outer rail when the inner rail and the middle rail are linked to a predetermined position according to an embodiment of the present invention;

Figure 5 is a schematic view showing the continuous pulling out of the inner rail release and the middle rail in the embodiment of the present invention;

Figure 6 is a schematic view showing the state in which the inner rail is folded relative to the outer rail to release the middle rail lock state according to the embodiment of the present invention;

Figure 7 is a schematic view showing the action of the release member when the middle rail is first folded in the embodiment of the present invention;

Figure 8 is a view showing the relative width of the locking hole of the synchronous link and the outer rail according to another embodiment of the present invention.

10. . . Outer rail

12. . . Middle rail

14. . . Locking piece

16. . . Inner rail

18. . . Release piece

20. . . Locking hole

twenty two. . . Release hole

twenty four. . . Middle section

26. . . First perforation

28. . . Second perforation

29. . . Fixed part

30. . . Locking part

31. . . hole

32. . . Unlocking department

33. . . Convex

34. . . Synchronous linkage

35. . . hole

36. . . Card bump

37. . . Convex

38. . . Abutment

40. . . Bevel

42. . . Connection hole

44. . . Tab

46. . . Tilting guide surface

48. . . Connector

50. . . Ends

52. . . Shoulder

Claims (7)

A slide rail assembly includes: an outer rail, a locking hole and a release hole; a middle rail slidably connecting the outer rail, the middle rail is provided with a first through hole and a second through hole, and the first When the perforation corresponds to the locking hole, the second perforation corresponds to the release hole; a locking member includes a fixing portion fixedly mounted to the middle rail, the locking member includes a locking portion and an unlocking portion, wherein the locking portion passes through Placed in the first perforation of the middle rail and elastically abuts against the outer rail, the unlocking portion is connected to the locking portion and protrudes from the first perforation of the middle rail; a synchronous linkage is engaged by the locking The fixing portion of the piece extends to be inserted into the second through hole of the middle rail and elastically abuts against the outer rail, and the synchronous linking member includes a latching protrusion protruding from the second through hole of the middle rail and abutting Adjacent to the latching protrusion, the latching protrusion comprises a sloped surface; an inner rail is slidably coupled to the middle rail, and includes a connecting hole, a protruding piece is extended in the connecting hole; and a releasing piece is fixedly mounted In the inner rail, the release member includes an inclined guiding surface relative to the locking member a connecting portion extending from the releasing member, the connecting member comprising a connecting hole corresponding to the inner rail at one end and abutting the tab, and a shoulder extending from the end portion with respect to the synchronization a latching protrusion of the linking member; when the middle rail is displaced relative to the outer rail, the locking portion of the locking member abuts against the outer rail, and the first perforation of the middle rail is displaced to the corresponding outer rail When the hole is formed, the locking portion of the locking member protrudes into the locking hole of the outer rail, so that the middle rail is locked with respect to the outer rail; when the inner rail is displaced relative to the middle rail, the unlocking portion of the locking member is The inclined guiding surface of the releasing member is erected to disengage the locking portion of the locking member from the locking hole of the outer rail, so that the middle rail is collapsible with respect to the outer rail; when the inner rail is withdrawn relative to the outer rail The shoulder of the connecting member and the latching protrusion of the synchronous linking member are mutually engaged, so that the middle rail is synchronously extracted by the inner rail, and after the middle rail is locked with respect to the outer rail, the synchronous linking member is abutted The lowering of the release hole toward the outer rail causes the latching projection to retract from the second through hole, and the The shoulder of the connector and the latching protrusion of the synchronous linkage are unlocked to continuously withdraw the inner rail; when the middle rail first receives the outer rail and the inner rail is displaced relative to the middle rail, the synchronous linkage The inclined surface of the latching protrusion of the piece is slidable by the connecting member, and the connecting member is temporarily elastically flexed to the connecting hole of the inner rail, and the shoulder of the connecting member slides against the inclined surface of the latching convex body and After the crossing, the connector releases the spring potential, so that the shoulder and the latching protrusion of the synchronous linkage are again engaged with each other. The slide rail assembly of claim 1, wherein the outer rail includes an intermediate portion that projects toward the middle rail such that the locking portion of the locking member abuts against the abutting portion of the synchronous linkage. The slide rail assembly of claim 1, wherein a width of the abutting portion of the synchronous linkage is greater than a width of the locking hole of the outer rail. The slide rail assembly of claim 1, wherein the width of the synchronous linkage is greater than the width of the locking hole of the outer rail. A connecting structure for a slide rail assembly, comprising: a locking member, comprising a fixing portion, a locking portion and an unlocking portion, the unlocking portion connecting the locking portion and protruding from the locking portion; a release member, An unlocking portion of the inclined guiding surface relative to the locking member; the inclined guiding surface of the releasing member is displaced relative to the unlocking portion of the locking member to propel the unlocking portion of the locking member, so that the locking member is elastically deflected, And causing the locking portion to move; a synchronous linking member comprising a latching protrusion and an abutting portion adjacent to the latching protrusion, the latching protrusion comprises a bevel; and a connecting member comprising an end portion and the phase a latching protrusion extending from a shoulder portion with respect to the synchronous linking member; wherein a shoulder of the connecting member is engaged with the latching protrusion of the synchronous linking member to drive the synchronous linking member to synchronously shift, and After the locking portion of the locking member is positioned, the abutting portion of the synchronous linking member is reversely displaced relative to the connecting member, so that the latching protrusion of the synchronous linking member is released from the shoulder of the connecting member; wherein the connecting Relative to the synchronous linkage And the inclined surface of the latching protrusion of the synchronous linking member is slidable by the connecting member, and the connecting member is temporarily elastically flexed, and after the shoulder slides against the inclined surface of the latching protrusion and passes over, the The shoulder of the connector and the latching projection of the synchronous linkage again engage each other. The connection structure according to claim 5, wherein the synchronization linkage is extended by the fixing portion of the locking member. The connection structure of claim 5, wherein the connector is extended by the release member.