TWM556518U - Slide rail structure with middle rail unlocking function - Google Patents

Abstract

A slide rail device with a middle rail unlocking function includes an outer rail, a middle rail, an inner rail, a ball seat, a release member and a locking elastic piece, and the outer rail can be fixed to a fixing member (such as a cabinet), and the inner rail It can be fixed on the side of the movable part (such as the servo), the middle rail is connected between the inner rail and the outer rail, and the ball seat is arranged between the middle rail and the inner rail. The release member is disposed on the middle rail, and the release member is located between the ball seat and the locking spring. When the inner rail and the movable member are removed, the release member can be pushed by the ball seat, so that the release member touches the locking elastic piece to achieve the function of unlocking the middle rail, thereby avoiding the occurrence of the middle rail exposed and protruding.

Description

Slide rail device with middle rail unlocking function

The present invention relates to a slide rail device, and more particularly to a three-section slide rail device having a middle rail unlocking function.

Furniture, desks, cabinets or industrial computer cabinets are equipped with slide rail devices, so that the movable parts can be combined with the fixing parts by means of the rails. In order to improve the smoothness of the movable parts during use, a three-stage slide rail can be used. Generally, it is composed of an outer rail, a middle rail and an inner rail. The outer rail is usually fixed to a fixing member (such as a cabinet), and the inner rail is fixed to a side of a movable member (such as a server), so that the inner rail and The middle rail can perform a reciprocating push-pull movement relative to the outer rail along the longitudinal direction of the rail device, so that the movable member can be pulled out or incomeed relative to the fixed member.

In the existing rail device, a locking mechanism can be arranged between the outer rail and the middle rail. When the rail device is pulled out, the middle rail can be positioned at the limit of the extension operation and when the inner rail is folded. At the same time, the positioning status of the middle rail is released, so that the middle rail can simultaneously generate revenue. However, when the inner rail and the movable member (such as the servo) are removed from the rail device, the middle rail that has been positioned in the extended state cannot be unlocked by the inner rail, and the middle rail is exposed and protruded, which will occupy the outside. Space also causes the door panel to not close.

In summary, the creator feels that the above defects can be improved, and he has devoted himself to research and cooperates with the application of academics, and finally proposes a design that is reasonable in design and effective in improving the above defects.

The technical problem to be solved by the present invention is to provide a slide rail device with a middle rail unlocking function, so that the middle rail can be smoothly unlocked, and the situation that the middle rail is exposed and protruded can be avoided.

In order to solve the above technical problem, the present invention provides a slide rail device having a middle rail unlocking function, comprising: an outer rail, the outer rail is provided with an outer hook group; a middle rail; an inner rail, the middle rail connection Between the outer rail and the inner rail; a ball seat, the ball seat is disposed between the middle rail and the inner rail; a locking elastic piece, the locking elastic piece is disposed on the middle rail; and a release piece, the The release member is disposed on the middle rail, the release member is movable along a longitudinal direction of the rail device, and the release member is located between the ball seat and the locking elastic piece, and the slide rail device is pulled out When the middle rail is extended to the positioning, the locking elastic piece and the outer hook group are mutually engaged; when the inner rail is removed, the releasing part can be pushed by the ball seat, so that the releasing piece touches the locking elastic piece, To release the latch of the locking elastic piece and the outer hook group.

The beneficial effects of the creation: the slide rail device of the present invention can push the release member with the ball seat when the inner rail and the movable member are removed, so that the release member touches the locking elastic piece to achieve the function of unlocking the middle rail, and the middle rail can be avoided. Exposed bulging occurs.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and explanation, and are not intended to limit the creation.

1‧‧‧ outer rail

11‧‧‧External hook group

111‧‧‧First external hook

112‧‧‧Second external card

2‧‧‧ Middle track

21‧‧‧First channel

22‧‧‧Second guiding channel

23‧‧‧Second sloping plate

3‧‧‧ Inner rail

31‧‧‧Nekoku Group

311‧‧‧The first internal hook

312‧‧‧Second internal hook

4‧‧‧ balls seat

5‧‧‧Locking shrapnel

51‧‧‧First Stretch Department

52‧‧‧First stop

53‧‧‧First lever

6‧‧‧ release

61‧‧‧ rod body

611‧‧‧Contact end

62‧‧‧First touch

621‧‧‧First bevel

63‧‧‧Second Touch

631‧‧‧Second slope

64‧‧‧First guide

65‧‧‧Second Guide

66‧‧‧First sloping plate

7‧‧‧Synchronized shrapnel

71‧‧‧Second stretch department

72‧‧‧second stop

73‧‧‧second lever

Fig. 1 is an exploded perspective view (1) of the present slide rail device.

Figure 2 is an exploded perspective view (2) of the present slide rail device.

Figure 3 is a perspective view of the inventive rail assembly.

Fig. 4A is a perspective detailed view (1) of a partial construction of the present slide rail device.

Fig. 4B is a perspective detailed view (2) of a partial construction of the present slide rail device.

Fig. 5 is a schematic view showing the state in which the slide rail device of the present invention is not activated.

Fig. 6 is a schematic view showing the state in which the artificial rail device is ready to be activated.

Fig. 7 is a schematic view showing the actuating state of the present slide rail device.

Fig. 8 is a schematic view showing the release state of the present slide rail device.

Referring to FIG. 1 to FIG. 5, the present invention provides a slide rail device with a middle rail unlocking function, comprising an outer rail 1, a middle rail 2, an inner rail 3, a ball bearing 4, a locking elastic piece 5 and a release. The component 6 may further include a synchronization elastic piece 7.

The outer rail 1 can be fixed to a fixing member (such as a cabinet), the inner rail 3 can be fixed on the side of a movable member (such as a servo), and the middle rail 2 is connected between the outer rail 1 and the inner rail 3, and the ball seat 4 Between the middle rail 2 and the inner rail 3, the inner rail 3 and the middle rail 2 can be reciprocatingly pushed and pulled relative to the outer rail 1 along the longitudinal direction of the rail device, so that the movable member can be pulled relative to the fixed member. Actions such as income or income.

The locking elastic piece 5 and the synchronous elastic piece 7 are mounted on the middle rail 2, and an outer hook group 11 is disposed on the outer rail 1, and an inner hook group 31, an outer hook group 11 and an inner hook group are disposed on the inner rail 3. 31 can interact with the locking elastic piece 5 and the synchronous elastic piece 7. When the slide rail device is pulled out or pushed inwardly, the mutual interaction relationship between them can make the outer rail 1, the middle rail 2 and the inner rail 3 push and pull out smoothly and synchronously.

The locking elastic piece 5 is pivotally mounted on one side of the middle rail 2, and the two sides (the bottom side and the top side) of the locking elastic piece 5 are respectively provided with a first elastic portion 51 and a first stopping portion 52, and one end of the locking elastic piece 5 is provided. There is a first lever 53, and the first elastic portion 51 abuts against the middle rail 2 to provide a force for the locking elastic piece 5 to swing upward.

The synchronous elastic piece 7 is pivotally mounted on one side of the middle rail 2, and the synchronous elastic piece 7 and the locking elastic piece 5 are arranged at intervals. The two sides (the bottom side and the top side) of the synchronous elastic piece 7 are respectively provided with a second elastic portion 71 and a first The second stopping portion 72 is provided with a second lever 73 at one end of the synchronizing elastic piece 7, and the second elastic portion 71 is in contact with the middle rail 2 to provide a force for the synchronous elastic piece 7 to swing upward. After the synchronous elastic piece 7 and the locking elastic piece 5 are fixed to the middle rail 2, the first The height positions of the stopper portion 52 and the second stopper portion 72 are different and have a one-step difference.

The inner hook group 31 is formed by a first inner hook 311 and a second inner hook 312. The first inner hook 311 and the second inner hook 312 are located at the same height position, and are located at the corresponding locking elastic piece 5. And one side of the synchronous elastic piece 7, the inner hook group 31 moves synchronously with the inner rail 3, and moves with the locking elastic piece 5 and the synchronous elastic piece 7 during the movement.

The outer hook group 11 is formed by a first outer hook 111 and a second outer hook 112. The first outer hook 111 and the second outer hook 112 correspond to the first blocking portion 52 and the second blocking portion. The set portion of the stop portion 72 is divided into different height positions, and the outer hook group 11 is located on one side of the corresponding locking elastic piece 5 and the synchronous elastic piece 7. The outer hook group 11 moves synchronously with the outer rail 1 and moves during the movement process. The middle and the locking elastic piece 5 and the synchronous elastic piece 7 act on each other.

When the slide rail device is pulled outward, the synchronous elastic piece 7 swings the second stopper portion 72 and the second shift lever 73 upward due to the return elastic force of the second elastic portion 71, thereby causing the movement during the movement. The inner hook group 31 on the rail 3 and the second stopper portion 72 of the synchronous elastic piece 7 are mutually engaged to form a limit effect, so that the inner rail 3 and the middle rail 2 are synchronously moved. Then, the middle rail 2 is pulled out together with the inner rail 3 with respect to the outer rail 1 until the outer hook group 11 (here, the first outer hook 111 and the second outer hook 112) and the locking elastic piece 5 and When the synchronizing elastic piece 7 is actuated, the first outer hook 111 will strike the inclined portion of the first stopping portion 52 of the locking elastic piece 5, and the second outer hook 112 will hit the inclined portion of the second stopping portion 72 of the synchronous elastic piece 7, so that The locking elastic piece 5 and the synchronous elastic piece 7 swing downward and the first outer hook 111 and the second outer hook 112 are locked, and the restriction of the unlocking elastic piece 5 and the synchronous elastic piece 7 and the inner hook group 31 can be achieved. The middle rail 2 exhibits a fully deployed configuration with respect to the outer rail 1, and finally the inner rail 3 can be pulled out of the last section with respect to the middle rail 2 because of the restriction.

When the slide rail device is pushed inward, firstly, when the outer hook group 11 is locked by the locking elastic piece 5 and the synchronous elastic piece 7 to form a limit effect, the outer rail 1 and the middle rail 2 are formed. Keeping still, while the inner rail 3 is active relative to the middle rail 2, Therefore, the inner rail 3 can be pushed inwardly relative to the middle rail 2; then, after the inner rail 3 is completely absorbed into the middle rail 2, the inner hook group 31 is again actuated with the locking elastic piece 5 and the synchronous elastic piece 7, respectively, and the locking elastic piece 5 is unlocked. The restriction of the synchronizing elastic piece 7 and the outer hook group 11; finally, after the middle rail 2 is released, the middle rail 2 is smoothly pushed inward into the outer rail 1 to complete an entire inward pushing action. The structure and the actuating relationship between the locking elastic piece 5, the synchronous elastic piece 7, the outer hook group 11, and the inner hook group 31 are not the focus of the present application, and will not be described again.

The release member 6 is movably disposed on the middle rail 2, and the release member 6 is located between the ball seat 4 and the locking elastic piece 5. When the inner rail 3 and the movable member are removed, the present invention can still push the release member 6 with the ball seat 4, so that the release member 6 touches the locking elastic piece 5, and the release member 6 can also touch the synchronous elastic piece 7 for releasing the locking elastic piece 5 and After the restriction of the synchronous elastic piece 7 and the outer hook group 11, the middle rail 2 is released from the restriction, and the middle rail 2 is smoothly pushed inward into the outer rail 1.

In this embodiment, the release member 6 is a metal plate member which is formed by stamping and bending a metal plate. The release member 6 has a rod body 61, and the rod body 61 is placed on one side of the middle rail 2, and the release member 6 can slide on the middle rail 2 so that the lead release member 6 can be moved along the longitudinal direction of the rail device. A first touch portion 62 is connected to one end of the rod body 61. The first bevel portion 621 can be disposed with a first inclined surface 621. The first inclined surface 621 is located above the first shifting rod 53. The other end of the rod body 61 can form a contact end 611. The contact end 611 is preferably a vertical surface, and the contact end 611 faces the ball holder 4. Further, the other end of the rod body 61 is connected with a second touch portion 63. The second touch portion 63 can be provided with a second inclined surface 631, and the second inclined surface 631 is located above the second lever 73.

The rod body 61 is further connected with a first guiding piece 64 and a second guiding piece 65, and a first guiding groove 21 and a second guiding groove 22 are provided on one side of the middle rail 2, and the first guiding piece 64 and the second guiding piece 65 is slidably fitted into the first guiding groove 21 and the second guiding groove 22, respectively, and can be used to guide the release member 6 to move along the longitudinal direction of the sliding rail device. The lower edge of the rod body 61 can be connected to a first slanting plate 66, and the second slanting plate 23 is disposed on the middle rail 2, and the first slanting plate 66 is slidably disposed on the second slanting plate 23, Can be used to guide the release member 6 along the slide rail The device moves in the longitudinal direction.

As shown in FIG. 6, the ball seat 4 can be pushed in the direction of the release member 6. As shown in FIG. 7, the ball holder 4 can push the release member 6, and one end of the ball holder 4 will abut against one end (contact end 611) of the rod body 61 of the release member 6, and the release member 6 is moved toward the locking elastic piece 5. . As shown in FIG. 8 , the first inclined surface 621 of the first touch portion 62 can be used to touch the first lever 53 of the locking elastic piece 5 to swing the locking elastic piece 5 downward for releasing the locking elastic piece 5 and the outer hook group 11 . The cassette of the first outer hook 111 (see Figure 1). The second inclined surface 631 of the second elastic portion 63 is used to touch the second lever 73 of the synchronous elastic piece 7 to swing the synchronous elastic piece 7 downward for releasing the second outer hook of the synchronous elastic piece 7 and the outer hook group 11. 112 card. After the middle rail 2 is released from the restriction, the middle rail 2 is smoothly pushed inward into the outer rail 1.

The slide rail device of the present invention can push the release member with the ball seat when the inner rail and the movable member are removed, so that the release member touches the locking elastic piece to achieve the function of unlocking the middle rail, thereby avoiding the occurrence of the middle rail exposed and protruding. .

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of patent protection of the present invention. Therefore, equivalent changes made by using the present specification and the contents of the drawings are all included in the scope of protection of the present invention. Inside.

Claims (8)

A slide rail device with a middle rail unlocking function, comprising: an outer rail, the outer rail is provided with an outer hook group; a middle rail; an inner rail, the middle rail is connected between the outer rail and the inner rail a ball seat, the ball seat is disposed between the middle rail and the inner rail; a locking elastic piece, the locking elastic piece is disposed on the middle rail; and a release member, the release member is movably disposed on the middle rail The release member is movable along a longitudinal direction of the rail device, and the release member is located between the ball seat and the locking elastic piece. When the slide rail device is pulled outward, the middle rail protrudes to the position, The locking elastic piece and the outer hooking group are mutually engaged; when the inner rail is removed, the releasing part can be pushed by the ball seat, and the releasing piece touches the locking elastic piece for releasing the locking elastic piece and the outer card Hook the group's card. The slide rail device with the middle rail unlocking function according to claim 1, wherein the release member has a rod body, the rod body is disposed on one side of the middle rail, and one end of the rod body is connected with a first touch portion. The first trigger portion can touch the locking elastic piece to release the locking piece of the locking elastic piece and the outer hook group. The slide rail device of claim 2, wherein the two sides of the locking elastic piece are respectively provided with a first elastic portion and a first stopping portion, and one end of the locking elastic piece is provided with a first lever The first elastic portion is in contact with the middle rail, and the first sliding portion is provided with a first inclined surface. The first inclined surface is located above the first shifting rod, and the first inclined surface of the first touch portion can touch the locking elastic piece The first lever rotates the locking elastic piece downward to release the locking elastic piece and the outer hook group. The slide rail device with the middle rail unlocking function according to claim 2, wherein the other end of the rod body forms a contact end, the contact end is a vertical surface, the contact end faces the ball seat, and the ball seat can push The contact end of the release member causes the release member to touch the locking tab. A rail device having a middle rail unlocking function as claimed in claim 2, wherein the lever a first guiding piece and a second guiding piece are connected to the first guiding piece and a second guiding groove, and the first guiding piece and the second guiding piece are respectively slidably fitted to the first guiding piece The guiding groove and the second guiding groove are configured to guide the release member to move along the longitudinal direction of the sliding rail device. The slide rail device as claimed in claim 2, wherein the lower edge of the rod body is connected to a first slanting plate, and the middle rail is provided with a second slanting plate, and the first slanting plate is slidably disposed. The second slanting plate is configured to guide the release member to move along the longitudinal direction of the rail device. A slide rail device having a middle rail unlocking function according to claim 1, wherein the release member is a metal plate member. The slide rail device with the middle rail unlocking function according to claim 1, further comprising a synchronous elastic piece, wherein the synchronous elastic piece is pivotally mounted on one side of the middle rail, and two sides of the synchronous elastic piece are respectively provided with a second elastic force. And a second stopping portion, the second elastic portion of the synchronous elastic piece is provided with a second lever, the second elastic portion is in contact with the middle rail, and the other end of the rod body is connected with a second touch portion, the second touch portion a second inclined surface is disposed above the second lever, and the second inclined surface of the second touch portion can touch the second lever of the synchronous elastic piece to swing the synchronous elastic piece downward for lifting The synchronization shrapnel and the outer hook group are jammed.