CN2883774Y - Positioning mechanism for slide rails - Google Patents

Abstract

A positioning mechanism for a slide rail, comprising: a guide rail which is a long strip-shaped sheet-shaped body, two sides of the bottom plate are provided with inward-turning sliding grooves, and the surface is provided with at least two positioning holes according to the desired positioning positions; a sliding part which is a short frame body, wherein two sides of a sliding sheet on the top surface of the sliding part respectively extend outwards to form a sliding wing corresponding to a sliding groove and are mutually sleeved, two ends of the sliding sheet are oppositely provided with connecting holes, a spring is arranged on the bottom surface of the sliding sheet, the bottom surface is provided with a ball hole for sleeving a ball, two sides extend upwards for a preset distance and then turn inwards to respectively form a return part, wherein the return part is downwards connected with a spring sheet, the bottom surface is contacted with the ball, and the other return part has a gap with the spring sheet; when the sliding part slides, the two sliding wings slide along the two sliding grooves of the guide rail, the ball compresses the elastic sheet and moves along the bottom plate until the ball moves to the positioning hole, and the elastic sheet extends to enable the ball to be buckled into the positioning hole to form a clamping state.

Description

Positioning mechanism for slide rails

technical field

The utility model relates to a slide rail, in particular to a positioning mechanism for a slide rail which uses the energy storage and energy release characteristics of an elastic spring frame to replace a spring.

Background technique

Slide rails are often seen around our lives. For example, drawers are one of them. The purpose of the positioning mechanism of this slide rail is to replace the clamshell mode, so that the two components can be stacked through displacement. close or stretch. That is to say, taking the mobile phone as an example, although there is a clamshell type, that is, a cover body can be opened or closed relative to the main body below it through a rotating shaft or a hinge mode.

Therefore, through the continuous research and development of the industry, the sliding mode has been applied to articles with a cover, such as a slide-type mobile phone. It is in a closed state to cover the operation panel; only when the upper cover is stretched by sliding, it is in an operable state to expose the operation panel. Of course, it can also be covered when stretched, and operated when folded.

Promptly take the used slide rail of existing sliding cover type mobile phone as example, it is to open vertical card hole relatively on the two side walls of a U-shaped bottom plate, and a start hole and a finish hole are respectively set on the bottom surface both sides. A sliding part is formed by casting and placed on the bottom plate. A protruding column with a spring groove at the bottom protrudes from the center, and a spring is placed in the spring groove, and a steel ball is combined with the groove to make the The steel ball can expand and contract in the spring groove. In addition, a connecting post with screw holes protrudes from both sides of the protruding post so as to be combined with the cover body. In addition, an inverted U-shaped top cover is covered on the bottom plate, and the tenons protruding relatively on the two side walls are snapped into the card holes, and the long chute on the top surface is used for the three cylinders of the slider. stick out and act as a limit to movement. In addition, a friction plate is further provided between the bottom surface of the slider and the bottom plate. Therefore, the slider can move along the chute, so that the steel ball compresses the spring and rolls on the bottom plate. When the starting hole or the end hole is moved, the steel ball is stuck in the hole due to the stretching of the spring to form a positioning .

Of course, the front sliding rail structure can achieve accurate positioning, but its disadvantage is that since the sliding parts are formed by casting, the precision is often not enough. In addition, since the size of the sliding part is very small, the size of the spring is finer, which increases the complexity and difficulty of assembling the spring and the steel ball. Furthermore, the slide rail is formed by butting the bottom plate and the top cover, which not only increases the manufacturing cost, but also increases the assembly process, which is a fly in the ointment.

In view of this, the applicant is based on years of experience in the research and development, production and sales of rotating shaft products, devoted himself to research, and hopes to overcome the traditional sliding rail positioning mechanism that uses a combination of springs and steel balls, hoping to find another way. After repeated experiments, he began to create Go out " the positioning mechanism of slide rail " of the present utility model.

Utility model content

The purpose of the utility model is to provide a positioning mechanism of a slide rail, which has low manufacturing cost and simple assembly process.

In order to achieve the above purpose, the utility model provides a positioning mechanism for slide rails, which is characterized in that it includes:

A guide rail, which is a long sheet-shaped body, with sliding grooves turning inward on both sides of the bottom plate, and at least two positioning holes are opened on the surface according to the desired positioning position;

A sliding part is a short frame body, and a sliding wing is respectively extended outward from the corresponding chute slots on both sides of the sliding piece on the top surface, which are mutually socketed. The bottom surface of the sheet has a bead hole for socketing a ball, and the two sides extend upward for a predetermined distance and then turn inward to form a curved part respectively, one of which is connected downward with a shrapnel, the The bottom surface of the elastic piece is in contact with the ball, and the other curved portion has a gap with the elastic piece.

Wherein the two ends of the guide rail protrude from a blocking piece and a tongue piece, and the top edge of the blocking piece extends laterally with an inserting piece, and the tongue piece has a hole.

Wherein the connecting holes are screw holes.

Wherein the spring frame is turned into a concave shape by the sheet metal body.

It further includes a friction sheet, which is an arc-shaped sheet body, with coupling sheets protruding from both ends for connecting and mounting on the sliding wing to form a linkage, and the lower arc-shaped friction part corresponds to the position of the ball. A hole for the ball to pass through slice slot.

The utility model is a positioning mechanism of a slide rail, which is characterized in that it comprises:

A guide rail, which is a long sheet-shaped body, with sliding grooves turning inward on both sides of the bottom plate, and at least two positioning holes are opened on the surface according to the desired positioning position;

A sliding part is a short frame body, and a sliding wing is respectively extended outwards on both sides of the sliding piece on the top surface corresponding to the chute, which are socketed with each other, and the two ends of the sliding piece are oppositely provided with connecting holes, and a bow spring is erected on the The bottom surface of the sliding sheet is provided with a raised point protruding from the bottom surface.

Wherein the two ends of the guide rail protrude from a blocking piece and a tongue piece, and the top edge of the blocking piece extends laterally with an inserting piece, and the tongue piece has a hole.

Wherein the connecting holes are screw holes.

It further includes a friction sheet, which is an arc-shaped sheet body, with coupling sheets protruding from both ends for connecting and mounting on the sliding wing to form a linkage, and the lower arc-shaped friction part is provided with a bump for the corresponding bump position. through the slice slot.

The positioning mechanism of the slide rail of the utility model has the advantages of low manufacturing cost and simple assembly procedure.

Description of drawings

In order to further disclose the specific technical content of the present utility model, the following detailed description is as follows in conjunction with the embodiments and accompanying drawings, wherein:

Figure 1a and Figure 1b are three-dimensional exploded views of two different viewing angles of the slide rail of the present invention;

Figure 2 is a perspective view of the utility model when it is not in operation after being assembled;

Fig. 3 is the perspective view when the utility model slides to the end point;

Figure 4a and Figure 4b are two cross-sectional views of the utility model when the slide rail is moved to position;

Figure 5a and Figure 5b are three-dimensional exploded views of two different viewing angles of another embodiment of the slide rail of the present invention;

Fig. 6a and Fig. 6b are two cross-sectional views of another embodiment of the slide rail of the present invention when it is moved to position.

Detailed ways

As shown in FIGS. 1 a to 4 b , basically, the slide rail of the present invention is composed of a guide rail 1 and a sliding part 2 .

Among them, the guide rail 1 is a long sheet-shaped body, and the two sides of the bottom plate 11 have inwardly turning chute 12, while the two ends are protrudingly provided with a curved blocking piece 13 and a tongue piece 14; wherein, the An inserting piece 131 extends laterally from the top edge of the blocking piece 13 , and a hole 141 is opened in the tongue piece 14 so as to be combined with an article, such as a main body, by means of inserting and locking. In addition, the bottom plate 11 defines at least two positioning holes 15 according to the desired start and end positions.

The sliding part 2 is a short frame body, and a sliding wing 22 is respectively extended outwards corresponding to the chute 12 on both sides of the sliding piece 21 on the top surface, and the two ends are oppositely provided with connecting holes 23, such as screw holes, to utilize known combination Parts, such as screws, to be connected to another item, such as a cover.

And the creative feature of the sliding part 2 of the present utility model is that an elastic spring frame 24 is arranged on the bottom surface of the sliding piece 21 in addition, which is turned into a concave shape by a metal sheet body, and a bead hole 241 is provided on its bottom surface for socketing A ball 25, while both sides extend upwards for a predetermined distance and then turn inwards to form a return portion 242 respectively, and one of the return portions 242 is downwardly connected to a bow-shaped shrapnel 243, the bottom surface of which is in contact with the ball 25, It has a telescopic function, and the other curved part 242 has a gap 244 with the elastic piece 243. Its function is that, under normal conditions, the ball 25 compresses the elastic piece 243, making its movable end cross the gap 244 and resist The adjacent curved portion 242 can also prevent the ball 25 from falling into the spring frame 24 . And when the ball 25 rolls along the bottom plate 11 to the positioning hole 15, the elastic sheet 243 stretches to prompt the ball 25 to buckle into a positioning hole 15 to form a locked state.

In particular, a friction plate 3 is provided on the bottom surface of the slide plate 21, which is an arc-shaped plate body, and a joint plate 31 is protruded at both ends for connecting to the slide wing 22, so that it can move with the slide piece 2, and A slot 33 is defined in the arc-shaped friction portion 32 corresponding to the position of the ball 25 for the ball 25 to pass through. The advantage of setting the friction plate 3 is that it can adapt to the tolerance between the chute 12 and the sliding wing 22, so that the sliding part 2 will not shake when sliding, and effectively increase the toughness and wear resistance of the sliding part 2, thereby increasing service life.

After the utility model is assembled, as shown in Fig. 2 to Fig. 3, when it is desired to operate, when an external force is applied to the slider 2, the two sliding wings 22 slide along the two chute 12 of the guide rail 1 At this moment, the ball 25 and the arc-shaped friction portion 32 move along the base plate 11 until the ball 25 falls into the end point positioning hole 15 shown in FIG. When it is desired to be covered, that is, a reverse force is applied to the sliding member 2, so that the ball 25 falls into the initial positioning hole 15, which is the closed state.

Please refer to FIG. 5a to FIG. 6b , which are another schematic diagram showing the implementation of the slide rail of the present invention, wherein the guide rail 1 and the friction plate 3 are the same as those disclosed in the previous embodiment, and will not be repeated here. This embodiment is different from the foregoing in that the elastic spring frame 26 itself is a bow, and is arranged between the two connection holes 23 on the bottom surface of the slider 2, and a protruding point 261 is protruded from the bottom surface to replace the ball. , and can move along the bottom plate 11, when it falls into any positioning hole 15, the spring bracket 26 will release its energy immediately, and form a locked positioning state.

Therefore, through the implementation of the present invention, an elastic spring frame is used to replace the existing spring, which does not need to consider the difficulty of assembling and processing the tiny spring. In addition, the sliding part of the present invention can be formed by turning the sheet body, which can obtain more accurate precision compared with casting forming. Furthermore, the guide rail of the present utility model is integrally formed by turning instead of two butt-connected slide rails, which not only greatly reduces the cost, but also effectively reduces the assembly process. In particular, the friction plate of the present invention can adapt to the tolerance between the chute and the sliding wing, so that the sliding part will not shake when sliding, and effectively increase the service life of the sliding part, which is unprecedented in the positioning mechanism of the sliding rail. An unprecedented breakthrough.

What the utility model discloses is a kind of preferred embodiment, and all partial changes or modifications originating from the technical thought of the utility model and easily deduced by those familiar with the technology are all within the scope of the utility model. scope of patent rights.

Claims (9)

1. A positioning mechanism of a slide rail, characterized in that it comprises: A guide rail, which is a long sheet-shaped body, with sliding grooves turning inward on both sides of the bottom plate, and at least two positioning holes are opened on the surface according to the desired positioning position; A sliding part is a short frame body, and a sliding wing is respectively extended outward from the corresponding chute slots on both sides of the sliding piece on the top surface, which are mutually socketed. The bottom surface of the sheet has a bead hole for socketing a ball, and the two sides extend upward for a predetermined distance and then turn inward to form a curved part respectively, one of which is connected downward with a shrapnel, the The bottom surface of the elastic piece is in contact with the ball, and the other curved portion has a gap with the elastic piece. 2. The positioning mechanism of the slide rail according to claim 1, wherein a blocking piece and a tongue piece protrude from both ends of the guide rail, and an inserting piece extends laterally from the top edge of the blocking piece , while the tongue has a hole. 3. The positioning mechanism of the slide rail as claimed in claim 1, wherein the connecting holes are screw holes. 4. The positioning mechanism of the slide rail as claimed in claim 1, wherein the spring frame is turned into a concave shape by a metal sheet. 5. The positioning mechanism of the slide rail as claimed in claim 1, characterized in that it further comprises a friction plate, which is an arc-shaped plate body, with coupling plates protruding from both ends for connecting to the sliding wing, A linkage is formed, and the lower arc-shaped friction part corresponds to the position of the ball to open a slot for the passage of the ball. 6. A positioning mechanism for a slide rail, characterized in that it comprises: A guide rail, which is a long sheet-shaped body, with sliding grooves turning inward on both sides of the bottom plate, and at least two positioning holes are opened on the surface according to the desired positioning position; A sliding part is a short frame body, and a sliding wing is respectively extended outwards on both sides of the sliding piece on the top surface corresponding to the chute, which are socketed with each other, and the two ends of the sliding piece are oppositely provided with connecting holes, and a bow spring is erected on the The bottom surface of the sliding sheet is provided with a raised point protruding from the bottom surface. 7. The positioning mechanism of the slide rail as claimed in claim 6, wherein a blocking piece and a tongue piece protrude from both ends of the guide rail, and an inserting piece extends laterally from the top edge of the blocking piece , while the tongue has a hole. 8. The positioning mechanism of the slide rail as claimed in claim 6, wherein the connecting holes are screw holes. 9. The positioning mechanism of the slide rail as claimed in claim 6, characterized in that it further comprises a friction plate, which is an arc-shaped plate body, with coupling plates protruding from both ends for connecting to the sliding wing, A linkage is formed, and the lower arc-shaped friction part corresponds to the position of the bump to open a slot for the bump to pass through.

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