CN215110083U

CN215110083U - Self-locking type sliding rail

Info

Publication number: CN215110083U
Application number: CN202120365007.9U
Authority: CN
Inventors: 刘奕璞; 罗景山
Original assignee: Changchun Youyi Plastic Rubber Co ltd
Current assignee: Changchun Youyi Plastic Rubber Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-12-10
Anticipated expiration: 2031-02-07

Abstract

The utility model provides a self-locking slide rail, which comprises a slide way and a slide bar which is assembled in the slide way in a sliding way; the slide way is provided with a guide channel, a locking hole is formed in a set position of the guide channel, a locking block guided by the guide channel to lock or separate from the locking hole is installed between the slide rod and the slide way, and unlocking positions are arranged at two ends of the slide way. The utility model discloses can realize setting for the quick auto-lock of position as required, simple structure, the operation of being convenient for, occupation space is little, and is both pleasing to the eye, and the security again, and not fragile inefficacy.

Description

Self-locking type sliding rail

Technical Field

The utility model relates to a slide rail technical field, in particular to from locking-type slide rail.

Background

The slide rail is also called a guide rail, and is a common mechanical structure. The slide rail comprises a slide way/track and a slide block, in the prior art, the slide block is locked by passive self-locking, if a locking nut is adopted for compression locking, not only is manual operation required, but also the slide rail is easy to damage and lose efficacy due to repeated locking and unlocking and locking; also adopts an eccentric wheel self-locking structure, and has a complex structure.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple structure, convenient operation's from locking-type slide rail has better result of use.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a self-locking slide rail comprises a slide way and a slide rod which is assembled in the slide way in a sliding way; the slide way is provided with a guide channel, a locking hole is formed in a set position of the guide channel, a locking block guided by the guide channel to lock or separate from the locking hole is installed between the slide rod and the slide way, and unlocking positions are arranged at two ends of the slide way.

Furthermore, a positioning piece for locking and unlocking the slide way is arranged between the slide rod and the slide way.

Further, a spring which is kept in a guiding state by a guiding channel is arranged between the sliding rod and the locking block.

Furthermore, the slide way is provided with a closed channel, and a guide channel is arranged on the side wall of one side or two sides of the closed channel; the guide channel is a long hole formed along the sliding direction of the sliding rod, and the locking hole is communicated with one side of the guide channel; a locking convex surface is arranged between one side of the locking hole adjacent to the inner end of the slide way and the guide channel, and a guide arc surface is arranged between one side of the locking hole adjacent to the outer end of the slide way and the guide channel.

Further, the locking piece is installed in the slide bar including the cooperation and predetermines the jam plate in spacing downthehole to and stretch out jam plate side and direction passageway complex lock axle, the jam plate includes tapered end, lock body and lock tail, and tapered end clearance fit card is hung in the spacing downthehole of slide bar, and the lock body deviates from the installation spring between one side in lock hole and the spacing hole, and one side that the lock body corresponds the lock hole sets up spacing with spacing hole complex arch, and lock tail installation lock axle.

Furthermore, a first guide mounting groove for mounting the spring is formed in the lock body, a second guide mounting groove for mounting the spring is formed in the limiting hole, and mounting convex columns are reserved at the positions where the spring is mounted in the first guide mounting groove and the second guide mounting groove.

Furthermore, the locating piece includes layer board and elasticity ear, and layer board bearing jam plate sets up the trompil that supplies the lock axle activity, and the locating hole that corresponds the direction passageway is seted up to one side that the trompil corresponds the adjacent slide inner end of lock axle, and one side an organic whole of locating hole is connected with free end and layer board elasticity lapped elasticity ear.

Furthermore, the inner end of the slide rod matched with the slide way is provided with a slide foot bent towards the side wall of the slide way, the outer end of the slide rod matched with the slide way is provided with a slide ridge protruding towards the same side, and the positioning piece is clamped in a groove between the slide foot and the slide ridge.

Furthermore, the outer end of the sliding rod is hinged on the sliding seat, and the inner end of the sliding way is hinged on the driven piece; the slide is connected perpendicularly and is assisted the seat, is fixed with supplementary spout on assisting the seat, installs supplementary slider in the supplementary spout, supplementary slider and driven piece fixed connection.

Furthermore, the slideway seat is hinged with two groups of parallel sliding rails, and the sliding rails are connected with the driving piece through angle steel connecting plates.

Compared with the prior art, the utility model discloses following advantage has:

a from locking-type slide rail, can realize setting for the quick auto-lock of position as required, simple structure, the operation of being convenient for, occupation space is little, not only pleasing to the eye, the security again, and not fragile inefficacy.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a closed state according to an embodiment of the present invention;

FIG. 2 is a schematic view of the exploded structure of the main body of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a partial enlarged view of FIG. 2 at B;

FIG. 5 is a schematic view of another angle of the slide bar of FIG. 2;

fig. 6 is a schematic structural diagram of an operating state of an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of the slide bar shown in FIG. 6;

FIG. 8 is a schematic diagram of an unlocked state according to the present novel embodiment;

FIG. 9 is a schematic view of the structure of the slide bar in FIG. 8;

fig. 10 is a schematic structural diagram of another embodiment of the present invention.

Description of reference numerals:

1-slideway, 11-mounting hole, 12-mounting sleeve, 13-guide channel, 14-locking hole, 141-locking convex surface, 142-guide arc surface, 2-slide bar, 21-slide foot, 22-slide ridge, 23-limiting hole, 231-second guide mounting groove, 232-side limiting surface, 233-lock head limiting hole, 234-lug, 24-hinge hole, 3-lock block, 31-lock plate, 311-lock head, 312-lock web, 313-lock back, 3131-first guide mounting groove, 314-lock tail, 32-lock shaft, 4-spring, 5-positioning piece, 51-elastic ear, 52-support plate, 53-positioning hole, 6-slide seat, 61-ear plate, 7-auxiliary seat, 71-auxiliary chute, 72-auxiliary sliding blocks and 8-angle steel connecting plates.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a self-locking sliding rail, which is shown in fig. 1-9 and comprises a sliding way 1 and a sliding rod 2 which is slidably assembled in the sliding way, wherein the sliding way 1 is provided with a guide channel 13, and a locking hole 14 is arranged at a set position of the guide channel. A lock block 3 guided by a guide channel 13 to lock or disengage a lock hole 14 is installed between the slide bar 2 and the slide way 1, and a spring 4 for keeping a guided state of the guide channel 13 is installed between the lock block 3 and the slide bar 2. The two ends of the slideway 1 are provided with unlocking positions, and a positioning piece 5 for locking and unlocking the state is arranged between the slide bar 2 and the slideway 1.

Referring to fig. 1, 2 and 4, in the present embodiment, the chute 1 has a closed channel, and a guide channel 13 is opened on a side wall of the closed channel. The guide channel 13 is a long hole opened along the sliding direction of the sliding rod, and the locking hole 14 is communicated with one side of the middle part of the guide channel 13. Structurally, the square flat pipe channel with two open ends is bent into by a single steel plate in the slideway 1. Preferably, the bending and lapping positions of the two steel plates are provided with concave-convex grooves which are matched with each other. A guide channel is arranged along the length direction of the wide side wall of the slideway 1 (namely the relative movement direction of the slideway and the slide bar). The guide channel 13 is strip-shaped, and the width of the guide channel 13 is in clearance fit with the diameter of a lock shaft 32 to be described below, so that smooth sliding is realized. The two ends of the guide channel 13 form an arc shape matched with the lock shaft 32, and the end part of the guide channel 13 corresponding to the inner end of the slide way (i.e. the starting end of the slide way matched with the slide rod) keeps a set distance to form the unlocking position of the lock block. The tail of the inner end of the slideway 1 is also extended and provided with a mounting hole 11. A locking hole 14 is arranged at a set position in the middle of the guide channel 13, and the locking hole 14 is communicated with one side of the guide channel. A locking convex surface 141 is arranged between one side of the locking hole 14 adjacent to the inner end of the slide way and the guide channel, and a guide arc surface 142 is arranged between one side of the locking hole 14 adjacent to the outer end of the slide way and the guide channel, so that the locking and the separation of a locking block are facilitated.

In addition, in the embodiment, the guide channels 13 are formed on the side walls of the two wide sides of the slideway 1, or the guide channels 13 may be formed on one side.

Referring to fig. 2 and 3 in combination with fig. 7, in this embodiment, the outer end of the slide rod 2 extending out of the slide way is provided with a hinge hole. The inner end of the slide rod 2 extending into the slide way is provided with a limiting hole 23, and a locking block 3 is arranged in the limiting hole 23. The locking block 3 comprises a locking plate 31 which is arranged in the limiting hole in a matching mode, and a locking shaft 32 which extends out of the side face of the locking plate 31 and is matched with the guide channel in a sliding mode. And a spring 4 which is guided by the guide channel is arranged between the locking block 3 and the limiting hole of the sliding rod 2.

In the present embodiment, the slide rod 2 is a long plate sliding in the slide way. The limiting hole 23 comprises a rectangular main body hole positioned at the inner end side of the slide rod and a lock head limiting hole 233 positioned at the outer end side of the slide rod and communicated with the main body hole. The lock head limiting hole 233 is formed in a hook shape by virtue of a projection 234 integrated with the slide bar, so that the lock head described below can be conveniently hooked. The main body hole provides a movable space for the lock plate 31, so that the lock shaft 32 can realize the movement change between the guide channel 13 and the locking hole 14 under the action of a spring. The side of the main body hole away from the locking hole 14 is provided with a second guiding installation groove 231 for installing the spring, and an installation convex column is reserved at the installation spring, so that the spring action direction can be conveniently guided and limited by matching with the lock back described below.

In this embodiment, the lock plate 31 includes a lock head 311, a lock body, and a lock tail 314. The lock 311 is in the shape of a hook, and is engaged with the lock limiting hole 233 of the slide rod limiting hole 23 in a clearance fit manner. The lock body is shaped like a right-angled triangle. The lock web 312 of the lock body is corresponding to one side of the locking hole, has a right-angled convex limit, comprises a side limit surface opposite to the side surface of the limit hole corresponding to the sliding direction, and is used for matching and abutting against the side surface of the limit hole and limiting the lock shaft to be locked in the locking hole under the action of a spring; and the self-locking surface is vertical to the side limiting surface and is used for matching and abutting against the side surface of the limiting hole vertical to the sliding direction so as to realize self-locking of the locking hole. The back of the lock 313 of lock body deviates from one side of the locking hole, a spring is installed between the back of the lock 313 and the limiting hole, a first guide installation groove 3131 for installing the spring is arranged on the back of the lock, and an installation convex column is reserved at the installation spring, so that the spring action direction can be guided and limited conveniently. The lock tail 314 mounts the lock shaft 32 by interference fit, and the lock shaft fits into a small clearance slide of the guide channel.

In the use process of the embodiment, under the action of the spring 4 and the lock head 311, the lock plate 31 is limited in the limit hole 23 of the slide rod, and the lock shaft 32 on the lock plate slides in the guide channel 13. As shown in fig. 6 and 7, when the lock shaft slides into the locking hole, the lock shaft is retained in the locking hole by the spring force and the side limiting surface of the lock web, and the lock shaft 32 is self-locked in the locking hole 14 by the cooperation of the self-locking surface and the slide bar limiting hole and the arrangement of the locking convex surface of the slide way. When the lock shaft slides out of the locking hole, the lock shaft 32 slides out of the locking hole 14 and enters the guide channel under the guide of the guide arc surface and the action of the traction of the lock head and the elastic force of the spring.

In order to unlock the lock shaft and facilitate the relative movement between the slide bar and the slide way to return to the initial position, referring to fig. 5 and 9, a positioning member 5 for locking and unlocking the lock shaft is installed between the slide bar 2 and the slide way 1 in the present embodiment. In order to install the positioning piece and improve the sliding stability of the sliding rod, the inner end of the sliding rod 2 matched with the slideway 1 is provided with a sliding foot 21 bent towards the side wall of the slideway, and the outer end of the sliding rod 2 matched with the slideway 1 is provided with a sliding ridge 22 protruding towards the side wall of the slideway on the same side. The sliding feet 21 and the sliding ridges 22 are in sliding fit with the side wall of the same side of the slideway, the convex surface between the sliding feet 21 and the sliding ridges 22 is in sliding fit with the other side wall of the slideway, and the positioning piece 5 is clamped in the groove formed between the sliding feet and the sliding ridges.

In this embodiment, the positioning element 5 includes a supporting plate 52 and elastic lugs 51, the supporting plate 52 supports the protruding portions of the lock head 311 and the lock web 312 of the lock plate, the supporting plate 52 is correspondingly provided with an opening for the lock shaft to move, one side of the opening corresponding to the inner end of the adjacent slide way of the lock shaft is provided with a positioning hole 53 corresponding to the guide channel 13, one side of the positioning hole 53 is provided with the elastic lug 51 bending and extending to one side of the outer end of the corresponding slide way, and a set of corresponding concave-convex grooves is formed between the elastic lug 51 and the supporting plate 52.

In the use process of the embodiment, the positioning element 5 is clamped between the sliding rod 2 and the sliding way 1, and when the sliding rod 2 is pulled outwards relatively, due to the relative friction between the positioning element 5 and the sliding rod 2 and the elastic compression between the elastic lug 51 and the side wall of the sliding way 1, the positioning hole 53 slightly lags behind the sliding of the lock shaft, and the movement of the lock shaft 32 is not limited, as shown in fig. 5. When the sliding rod 2 is pulled outwards to the outermost side, the lock shaft 32 moves to the outermost end of the guide channel 13 to unlock, at this time, the sliding rod 2 is pushed backwards and pushed inwards, and also due to the friction force between the positioning piece 5 and the sliding rod 2 and the effect of the elastic lug, the positioning piece 5 lags behind the sliding rod 2, and as shown in fig. 8 and 9, the lock shaft 32 slides into the positioning hole 53 of the positioning piece 5, and the lock shaft 32 drives the positioning piece 5 to return to the initial position.

At this time, an unlocking position for limiting the pin shaft 32 to slide further to the inner end is reserved at the initial position of the inner end of the guide slideway 13, so that the lock shaft can be separated from the positioning piece to lock the lock shaft at the initial position, as shown in fig. 1-4.

Referring to fig. 10, a schematic view of a usage state of the slide rail according to the present embodiment is shown, an outer end of the slide bar 2 is hinged on the slide carriage 6, and an inner end of the slide rail 1 is hinged on the driven member; the slide 6 is vertically connected with an auxiliary seat 7, an auxiliary sliding groove 71 is fixed on the auxiliary seat 7, an auxiliary sliding block 72 is installed in the auxiliary sliding groove 71, and the auxiliary sliding block 72 is fixedly connected with a driven part.

Structurally, the two parallel sliding rails are arranged in the embodiment, the sliding rods 2 of the sliding rails are hinged to the sliding base 6 through the lug plates 61, the sliding rails 1 of the sliding rails are hinged to the angle iron connecting plate 8, and the angle iron connecting plate 8 is fixedly connected with the driven piece. The driven piece is limited in the auxiliary sliding groove 71 by the auxiliary sliding block 72 to do up-and-down linear movement, and is locked relatively with the slide rail 1 through the slide rod 2 to be kept at a set height.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking slide rail is characterized in that: comprises a slideway and a sliding rod which is assembled in the slideway in a sliding way; the slide way is provided with a guide channel, a locking hole is formed in a set position of the guide channel, a locking block guided by the guide channel to lock or separate from the locking hole is installed between the slide rod and the slide way, and unlocking positions are arranged at two ends of the slide way.

2. The self-locking sliding rail according to claim 1, wherein: and a positioning piece for locking and unlocking the slide rail is arranged between the slide rod and the slide rail.

3. The self-locking sliding rail according to claim 1, wherein: and a spring for keeping the guiding state of the guided channel is arranged between the sliding rod and the locking block.

4. The self-locking sliding rail according to claim 1, wherein: the slideway is provided with a closed channel, and a guide channel is arranged on the side wall of one side or two sides of the closed channel; the guide channel is a long hole formed along the sliding direction of the sliding rod, and the locking hole is communicated with one side of the guide channel; a locking convex surface is arranged between one side of the locking hole adjacent to the inner end of the slide way and the guide channel, and a guide arc surface is arranged between one side of the locking hole adjacent to the outer end of the slide way and the guide channel.

5. The self-locking sliding rail according to claim 1, wherein: the locking piece is installed in the slide bar and predetermines the jam plate in spacing hole including the cooperation to and stretch out jam plate side and direction passageway complex lock axle, the jam plate includes tapered end, lock body and lock tail, and tapered end clearance fit card hangs in the spacing hole of slide bar, and the lock body deviates from the installation spring between one side in locking hole and the spacing hole, and one side that the lock body corresponds the locking hole sets up spacing with spacing hole complex arch, and lock axle is installed to the lock tail.

6. The self-locking sliding rail according to claim 5, wherein: the lock body is provided with a first guide mounting groove for mounting the spring, the limiting hole is provided with a second guide mounting groove for mounting the spring, and mounting convex columns are reserved at the positions where the spring is mounted in the first guide mounting groove and the second guide mounting groove.

7. The self-locking sliding rail according to claim 2, wherein: the locating piece comprises a supporting plate and elastic lugs, the supporting plate supports the lock plate and is provided with a hole for the lock shaft to move, one side of the hole, corresponding to the inner end of the adjacent slide way of the lock shaft, is provided with a locating hole corresponding to the guide channel, and one side of the locating hole is integrally connected with the elastic lugs with free ends and the supporting plate in elastic lap joint.

8. The self-locking sliding rail according to claim 7, wherein: the inner end of the slide rod matched with the slide way is provided with a slide foot bent towards the side wall of the slide way, the outer end of the slide rod matched with the slide way is provided with a slide ridge protruding towards the same side, and the positioning piece is clamped in a groove between the slide foot and the slide ridge.

9. The self-locking sliding rail according to any one of claims 1 to 8, wherein: the outer end of the sliding rod is hinged to the sliding seat, and the inner end of the sliding way is hinged to the driven piece; the slide is connected perpendicularly and is assisted the seat, is fixed with supplementary spout on assisting the seat, installs supplementary slider in the supplementary spout, supplementary slider and driven piece fixed connection.

10. The self-locking sliding rail according to claim 9, wherein: the slideway seat is hinged with two groups of parallel sliding rails, and the sliding rails are connected with the driving piece through angle steel connecting plates.