CN100360823C - Sliding rail positioning device capable of automatically releasing brake - Google Patents

Abstract

The invention relates to a slide rail positioning device capable of automatically releasing a brake, which comprises: a locking slip part is flatly attached to the inner side surface of the movable rail body, a two-shaft bolt penetrates through a sliding groove and a guide groove of the locking slip part to enable the locking slip part to swing and slide properly, folded edges are formed on two sides of the locking slip part, the end part of one folded edge is connected with an elastic component, the other end of the elastic component is connected to a convex body on the movable rail body, the other folded edge is bent to form a protruding piece, the outer end of the protruding piece is provided with a vertical edge, the inner end of the protruding piece is a bevel edge, and a baffle seat is provided with a baffle plate relative to the protruding piece of the locking slip part on at least one side; when the movable rail body is pulled outwards, the sliding part slides to the end edge of the baffle plate of the blocking seat by virtue of the deflection of the blocking slide part and then swings back to position, and when the movable rail body is pushed inwards, the blocking slide part can be pushed to automatically slide and move back to be separated from the stop of the baffle plate, so that the movable rail body can be quickly folded.

Description

Slide rail positioning device with automatic release

technical field

The present invention relates to a sliding rail positioning device that can be released automatically, in particular to a device that enables the movable rail body to have an appropriate temporary positioning function when the movable rail body is in a stretched state relative to the fixed rail body. A slide rail positioning device that can automatically release the positioning function with a certain thrust.

Background technique

At present, the slide rail design with better functionality, after the movable rail body is pulled out, the movable rail body will not be easily retracted and slide into the fixed rail body. This function is mainly used for the movable rail body and the fixed rail body. There is a positioning device at the joint to prevent the retraction of the movable rail body, or to prevent the movable rail body from detaching relative to the fixed rail body, and it can also be detached by further release operation The work of the movable rail body, and for the functional design of this type of slide rail, the inventor has previously developed a number of improved designs, and filed patent applications, and most of them have been approved to obtain patent rights, which can be used for reference There are: Utility Model Patent Certificate No. 504731, Utility Model Patent Certificate No. 501722, Utility Model Patent Certificate No. 623415, and Taiwan Model Patent Announcements No. 566130, No. 566131, and No. 589968. These are all improved innovations.

At present, based on the different use occasions of various types of slide rails, they will have different functional requirements, so it is necessary to develop more suitable products, and the present invention is different from the update planning and design of the above-mentioned previous proposals, mainly to make the movable rails The locking and positioning function of the anti-shrinking function has a "forced release" feature, which makes the folding of the movable rail more convenient.

Contents of the invention

The purpose of the present invention is to provide a slide rail positioning device that can be automatically released, mainly to make the slide rail in the extended state of pulling out, to limit the movable rail body from easily retracting into the fixed rail body, and to make the The temporary positioning function of the anti-shrinkage is forcibly released by a certain thrust applied to the movable rail body, so that the movable rail body is pushed into the fixed rail body to be collapsed.

The sliding rail positioning device that can be automatically released according to the present invention at least consists of a movable rail body and a fixed rail body in cooperation with the rolling assistance of the sliding parts to form a stretchable sliding rail. Its characteristics are: There is a catch slider, which is flatly attached to the side of the movable rail body. The position of the catch slider is adjacent to the corresponding part of the movable rail body relative to the outer end of the fixed rail body after stretching, and the catch slider A chute and a guide groove are provided on the flat surface of the sliding member. The chute is formed by connecting a pivot hole section and a chute section. The guide groove is a triangular groove with a hypotenuse on the inner side. The X and Y axial distances of the space in the triangular groove are greater than the axial section diameter of the shaft bolt. The part deflects and slides moderately, and the end of one side of the locking slider is connected with an elastic component, and the other end of the elastic component is connected to the movable rail body, and the locking slider is constantly pulled by the elastic component It has an elastic displacement effect, the inner side of the guide groove of the locking slider is always against the shaft bolt in the groove, and a protruding piece is formed on the other side of the locking slider; the fixed rail body corresponds to the A retaining seat is fixed at the outer end of the engaging slider, and at least one side of the retaining seat is provided with a baffle plate relative to the lug of the engaging sliding member; when the movable rail is pulled outward, the engaging slide will slide The sliding part can swing and slide through the stop seat with its chute and the shaft bolt threaded as the rotation axis, and the locking slide part swings back again so that the lug is abutted against the outer end of the baffle to form a position. And the movable rail body can be pushed into the inside by force, so that the shaft bolt on the movable rail body slides against the chute and guide groove of the locking slider, and the locking slider is pushed to automatically slide and retreat to break away from the stopper. The stop of the board can fold the movable rail body.

By adopting the above scheme of the present invention, the movable rail body has a suitable temporary positioning effect relative to the fixed rail body when it is in a stretched state, and the positioning effect can be automatically released by means of a certain thrust applied to the movable rail body, so that the fixed rail body can be quickly moved The movable slide rails are folded.

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

Description of drawings

Fig. 1 is a schematic structural diagram of a feasible embodiment of the present invention.

Fig. 2 is a schematic diagram (1) of the pull-out action of a possible embodiment of the present invention.

Fig. 3 is a schematic diagram (2) of the pull-out action of a feasible embodiment of the present invention.

Fig. 4 is a schematic diagram of a pull-out positioning state of a feasible embodiment of the present invention.

Figure 5 is a schematic diagram of the action of forcing the movable rail body into the feasible embodiment of the present invention (1)

Fig. 6 is a schematic diagram (2) of the action of forcibly pushing into the movable rail body in a feasible embodiment of the present invention.

Fig. 7 is a schematic diagram (3) of the action of forcibly pushing into the movable rail body in a feasible embodiment of the present invention.

Fig. 8 is a schematic diagram of the structural action of a feasible embodiment of the present invention combined with a latch mechanism.

Fig. 9 is a schematic diagram of an external pull positioning state of a feasible embodiment of the present invention combined with a latch mechanism.

Fig. 10 is a schematic diagram of the release action in the positioning state of a feasible embodiment of the present invention combined with a latch mechanism.

Detailed ways

First, as shown in Fig. 1, the sliding rail positioning device that can be automatically unlocked according to the present invention uses a two-stage sliding rail as an example in its implementation structure. A movable rail body 1 is inserted into the interior with a sliding aid 3 and an end. In a fixed rail body 2 with a support seat 21, the movable rail body 1 slides relative to the fixed rail body 2 by means of the ball mode of the sliding aid 3, and the movable rail body 1 is stretched relative to the fixed rail body 2 Cooperate with the design of limiting detachment, but this is not the focus of improvement of the present invention, so it will not be described in depth in the following main implementation illustrations (Fig. 1 to Fig. 7) and related descriptions, but in the secondary implementation illustrations (Fig. 8 to Fig. 10] Hereby cite a feasible design for reference and to illustrate the relevant variant implementation forms. Further, the feasible example of the restriction from the design should not be limited to the main patent of the present invention that can prevent the retraction of the movable rail category.

The specific feasible embodiment form of relevant main technical content of the present invention is described in detail below:

The movable rail body 1 is provided with a catch slider 4, and the catch slider 4 is flatly attached to the inner surface of the movable rail body 1. The position of the catch slider 4 is adjacent to the movable rail body 1 after stretching relative to The corresponding position of the outer end of the fixed rail body 2, and a slide groove 41 and a guide groove 42 are provided on the flat surface of the locking slider 4, and the two shaft bolts 5, 6 are respectively inserted in the slide groove 41 and the guide groove 42. Guide groove 42, so that the locking slider 4 can carry out the activities of deflection and moderate sliding. More specifically, the slide groove 41 is formed by connecting a pivot hole section 411 with a chute section 412. The guide The groove 42 is a triangular groove with a hypotenuse 421, and the X and Y axial distances of the space in the groove are greater than the axial section diameter of the shaft bolt 6. Flanges 43, 44 are arranged, and the end of one side flange 43 is connected with an elastic component 7. The end of the flange 43 can be a hook-shaped body 431 for hooking the elastic component 7, and the other end of the elastic component 7 is connected to the movable On the rail body 1, there is a protruding body 11 that can be a hook, and by using the elastic component 7 to pull the catch slider 4, there is always an elastic displacement effect, so that the guide groove 42 of the catch slider 4 has a hypotenuse 421 is fixed on the shaft bolt 6. In addition, the other side of the locking slider 4 is bent to form a protruding piece 45. The outer end of the protruding piece 45 has a vertical edge 451, and the inner end is a hypotenuse 452;

The fixed rail body 2 is fixed with a block seat 8 corresponding to the outer end of the above-mentioned locking slider 4, and at least one side of the block seat 8 is provided with an upstanding tab 45 relative to the locking slider 4. Baffle 81.

With the help of the above design, when the movable rail body 1 is pulled out and stretched by using the slide rail, as shown in Figure 2 and Figure 3, the catch slider 4 that moves with the movable rail body 1 is shifted to the outer end of the fixed rail body 2 When the retaining seat 8 at the part is located, the protruding piece 45 on one side of the locking slider 4 is first abutted against the baffle plate 81 on the side of the retaining seat 8 with its hypotenuse 452, and then the engaging sliding member 4 is With the pivot hole section 411 of the chute 41 and the threaded shaft pin 5 as the axis of rotation, and by the oblique sliding of the hypotenuse 452, it can automatically deflect, so that the main body of the locking slide 4 can pass through The baffle plate 81 of the stop seat 8 is returned to its original position by the pulling of the elastic assembly 7 after passing through. Afterwards, as shown in Figure 4, under the positioning state where the movable rail body 1 is stretched to the limit, the locking slider 4 At the same time, the vertical edge 451 of the protruding piece 45 abuts against the outer end of the baffle plate 81 of the baffle seat 8, which has an appropriate internal push resistance, and can prevent the movable rail body 1 from being easily retracted into the fixed rail body 2.

In addition, when the movable rail body 1 is to be received, although the movable rail body 1 is pushed against the retaining plate 81 by the vertical edge 451 of the protruding piece 45 of the locking slider 4 and has internal push resistance, forming a temporary locking However, this locking effect can be automatically released, and it only needs to apply a slightly larger force to forcefully push inward (in actual operation, instantaneous pushing is especially good) and the movable rail body 1 can be completed. As shown in Fig. 5, Fig. 6 and Fig. 7, in the actuating state, the lug 45 of the locking slider 4 is still against the baffle plate 81 of the retaining seat 8, and only the movable rail body 1 is slightly pushed in. Immediately, the movable rail body 1 that continues to move inward slides against the chute section 412 of the chute 41 and the beveled edge 421 of the guide groove 42 with its upper shaft pins 5 and 6, thereby forcing the locking slider 4 to form an oblique The displacement action of moving down [as the direction of the icon] makes the vertical edge 451 of the protruding piece 45 of the locking slider 4 drop and break away from the abutment of the baffle plate 81 of the retaining seat 8, so that the locking slider 4 The protruding piece 45 slides along the inner surface of the baffle plate 81 , so that the blocking effect of the locking slider 4 is released, and the movable rail body 1 can be pushed into the fixed rail body 2 smoothly.

In addition, in terms of the positioning design that allows the movable rail body 1 to be stretched to the limit relative to the fixed rail body 2 to prevent detachment, the applicant previously owned the utility model patent certificate No. 501722 "Front-pull latch mechanism for slide rails" In one case, if the main locking mechanism is used in the present invention, as shown in Figure 8, a pull rod A is embedded in the movable rail body 1, and the rod body of the pull rod A is stretched through the above-mentioned locking slider. 4 on the edge side of the protruding piece 45, and a hook-shaped body A1 is formed at the inner end of the shaft to collude with an elastic component D, and the other end of the elastic component D is connected to another hook-shaped convex body 12 on the movable rail body 1 , and by pulling the pull rod A with the elastic component D, it can always elastically and automatically return to its original position. In addition, a convex portion A2 is formed at the end section of the pull rod A, and a safety piece A3 is formed adjacent to it. A part of the safety piece A3 The sheet body corresponds to the end edge of the protruding piece 45 of the locking slider 4, and a catch 13 is arranged on the inner surface of the movable rail body 1 relative to the edge of the safety sheet A3, and a shaft bolt is arranged on the inner surface of the movable rail body 1. C is pivotally connected to a rotary stopper B, and one side of the rotary stopper B is recessed to form an inclined wall body B1 relative to the convex part A2 of the pull rod A (see Figure 9). With this design, when the movable rail body 1 is stretched to In the limit positioning state, except that the locking slider 4 is resisted by the vertical edge 451 of the protruding piece 45 against the outer end of the baffle plate 81 of the stop seat 8 and has internal push resistance, so as to prevent the movable rail body 1 from shrinking inward. At the same time, in order to keep the movable rail body 1 from breaking away from the fixed rail body 2, the inner end of the baffle plate 81 can also be supported by the end of the rotary stopper B to prevent the movable rail body 1 from breaking away.

Furthermore, when the movable rail body 1 is to be pulled out completely to be removed, as shown in Figure 10, by pulling the pull rod A, the convex portion A2 can push against the inclined wall body B1 of the rotary stopper B, And make the rotation stopper B deflect immediately and make its end break away from this baffle plate 81, like this, just can extract out movable rail body 1, when pulling this pull bar A, the insurance piece A3 of this pull bar A also shifts corresponding to The edge of the protruding piece 45 of the catch slide 4 can resist the deflection of the catch slide 4, and the retaining piece 13 on the inner surface of the movable rail body 1 is used to abut against the edge of the safety piece A3 to increase the support. stability, so that the locking slider 4 is firmly against the baffle plate 81, and cannot be forcibly released. With this design, it is ensured that when the operator's finger is on the pull rod A, the movable rail body 1 cannot move toward the Inwardly push the income, so as to prevent the fingers from being caught in the gap of the two-rail body and being injured by accidentally moving therewith.

Although the present invention has been described with reference to the current specific embodiments, those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the present invention, and other modifications 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 embodiments are within the spirit of the present invention, they will all fall within the scope of the claims of the present invention.

Claims (3)

1. A sliding rail positioning device that can be automatically released, at least a movable rail body and a fixed rail body cooperate with the rolling assistance of the sliding parts to form a stretchable sliding rail, which is characterized in that: The movable rail body is provided with a catch slider, which is flatly attached to the side surface of the movable rail body. and a sliding groove and a guide groove are provided on the flat facing surface of the locking slider. The sliding groove is formed by connecting a pivot hole section and a chute section. side of the triangular groove, the X and Y axial distances of the space in the triangular groove are greater than the axial section diameter of the shaft bolt, and the two shaft bolts respectively pass through the chute and the guide groove and are fixed on the movable rail body, so as to Make the locking slider deflect and moderately slide, and one end of the locking slider is connected with an elastic component, and the other end of the elastic component is connected to the movable rail body, and the elastic component is used to pull the The locking slider always has an elastic displacement function, the inner side of the guide groove of the locking slider is always against the shaft bolt in the groove, and a convex piece is formed on the other side of the locking slider; The fixed rail body is fixed with a stop seat at the outer end corresponding to the locking slider, and at least one side of the stop seat is provided with a baffle plate relative to the lug of the locking slider; When the movable rail is pulled out, the locking slider can swing and slide through the stop seat with its chute and the pierced shaft bolt as the rotation axis, and the locking slider swings back with the lug Abut against the outer end of the baffle to form a positioning, and forcefully push the movable rail body into it, so that the shaft bolt on the movable rail body slides against the chute and guide groove of the locking slider, pushing the locking slider Automatically slide back, so as to break away from the resistance of the baffle, so that the movable rail body can be retracted. 2. The sliding rail positioning device that can be automatically released according to claim 1, wherein a hook-shaped body is provided at one end of the locking slider for hooking up with an elastic component, and the elastic component is another One end is a convex body hooked on the movable rail body and the other is a hook. 3 . The sliding rail positioning device capable of automatically unlocking according to claim 1 , wherein the outer end of the lug has a vertical edge, and the inner end has a beveled edge. 4 .

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