CN112533435A

CN112533435A - Three-section rail

Info

Publication number: CN112533435A
Application number: CN202011542006.3A
Authority: CN
Inventors: 徐启峰
Original assignee: Kunshan Lemtech Slide Technology Co ltd
Current assignee: Kunshan Lemtech Slide Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-03-19
Anticipated expiration: 2040-12-23
Also published as: CN112533435B

Abstract

The invention provides a three-section rail, which enables the locking structure of the rail to be simple and the opening and unlocking of the rail to be convenient and quick. The middle rail is arranged along the length direction, the upper end and the lower end of the middle rail are respectively provided with a rail edge, the inner side of the middle rail is provided with an inner rail, the outer side of the middle rail is provided with an outer rail, the outer rail is arranged along the outer edge of the rail edge of the middle rail in a sliding manner, the inner rail is arranged along the inner edge of the rail edge of the middle rail in a sliding manner, the rear end positions of the inner rail and the middle rail are provided with locking structures, the front end region of a main body of the middle rail in the length direction is provided with a first sequence locking groove and a second sequence locking groove which are arranged at intervals, a first sequence locking head with a vertical spring at the upper part is arranged in the first sequence locking groove, the rear end face of the bottom of the first sequence locking head is provided with an oblique guide groove, and a second sequence locking head with a.

Description

Three-section rail

Technical Field

The invention relates to the technical field of track structures, in particular to a three-section track.

Background

The operation is complicated when its row track is opened and is unlocked to current three section tracks, and orbital locking structure is complicated, and it makes orbital cost of manufacture high.

Disclosure of Invention

In view of the above problems, the present invention provides a three-section rail, which enables a locking structure of the rail to be simple and the opening and unlocking of the rail to be convenient and fast.

The utility model provides a three section rail, its technical scheme is such, and it includes the well rail of arranging along length direction, the upper end of the height of well rail, lower extreme are provided with the track limit respectively, the inboard of well rail is provided with interior rail, the outside of well rail is provided with outer rail, outer rail slides along the track limit outer fringe of well rail and sets up, interior rail slides along the track limit inner edge of well rail and sets up, the rear end position of interior rail and well rail is provided with lock and attaches structure, its characterized in that: the front end region of the main body in the length direction of the middle rail is provided with a first sequence locking groove and a second sequence locking groove which are arranged at intervals, a first sequence lock head with a vertical spring at the upper part is arranged in the first sequence locking groove, the rear end face of the bottom of the first sequence lock head is provided with an oblique guide groove, a second sequence lock head with a vertical spring at the upper part is arranged in the second sequence locking groove, the rear end face of the bottom of the second sequence lock head is provided with an oblique guide groove, the first sequence lock head is arranged in the relative front region of the second sequence lock head, the first sequence lock head and the second sequence lock head are arranged in a staggered height position, and two sides of the first sequence lock head and the second sequence lock head in the thickness direction are arranged in a way of being protruded to the body of the middle rail; a pair of positioning convex hull clamping grooves are arranged at the front inner side of the main body of the outer rail corresponding to the height position of the second sequence lock head, the positioning convex hull clamping grooves are two triangular convex hull clamping grooves, an installation gap of the second sequence lock head is arranged between the two triangular convex hull clamping grooves, the guide inclined planes of the two triangular convex hull clamping grooves are arranged outwards in a back-to-outside manner, a backstop convex hull clamping groove is arranged at the rear inner side of the main body of the outer rail corresponding to the height position of the first sequence lock head, the backstop convex hull clamping groove comprises a front guide inclined plane, a middle backstop space and a rear backstop strip, corresponding inner rail unlocking first convex hulls and inner rail unlocking second convex hulls are arranged at the front outer side of the main body of the inner rail corresponding to the height positions of the first sequence lock head and the second sequence lock head, and the inner rail unlocking first convex hulls and second backstop convex hulls are arranged at the inner rail unlocking first, the first unlocking convex hull is provided with a guide inclined plane, the second stopping convex hull comprises a guide inclined plane and a vertical stopping strip, and a limiting interval of the first sequence lock head is reserved between the first unlocking convex hull and the second stopping convex hull.

It is further characterized in that:

in the fully unfolded state, the locking structure of the inner rail is locked on the locking structure at the rear end of the middle rail, and the first sequence lock is clamped in the middle stopping space of the stopping convex hull clamping groove;

in a half-unfolding state, the locking structure of the inner rail is locked on the locking structure at the rear end of the middle rail, and the first sequence of lock heads are stirred upwards and then the inner rail is pushed forwards in a full-unfolding state, so that the middle rail slides forwards until the second sequence of lock heads are embedded in the mounting gap between the triangular convex hull clamping grooves;

and under the closed state, the locking structure is unlocked, the inner rail is pushed forwards until the inner rail unlocks the first sequence lock head by the first convex hull, the inner rail unlocks the second sequence lock head by the second convex hull, and the second sequence lock head is arranged in the limiting interval.

After the invention is adopted, the convex hulls are respectively arranged on the corresponding side surfaces of the inner rail and the outer rail relative to the middle rail, so that the whole structure is in a half-unfolding state, the locking structure of the inner rail is locked on the locking structure at the rear end of the middle rail in the half-unfolding state, the lock heads of the middle rail and the second sequence are embedded in the mounting gap between the triangular convex hull clamping grooves, and the chassis can be mounted in the half-unfolding state, so that the locking structure of the rail is simple, and the opening and the unlocking of the rail are convenient and quick.

Drawings

FIG. 1 is a front view of the present invention in an expanded state;

FIG. 2 is a front view of the present invention in a semi-expanded state;

FIG. 3 is a front view of the present invention in a closed position;

the names corresponding to the sequence numbers in the figure are as follows:

the locking structure comprises an inner rail 1, a middle rail 2, a rail edge 201, an outer rail 3, a locking structure 4, a first sequence locking groove 5, a second sequence locking groove 6, a first sequence locking head 7, a second sequence locking head 8, a triangular convex hull clamping groove 9, a mounting gap 10, a stopping convex hull clamping groove 11, a front guide slope 12, a middle stopping space 13, a rear stopping strip 14, an inner rail unlocking first convex hull 15, an inner rail unlocking second convex hull 16, a first unlocking convex hull 17, a second stopping convex hull 18, a vertical stopping strip 19 and a limiting interval 20.

Detailed Description

A three-section rail, as shown in figures 1-3, comprises a middle rail arranged along the length direction, the upper end and the lower end of the height of the middle rail 2 are respectively provided with a rail edge 201, the inner side of the middle rail 2 is provided with an inner rail 1, the outer side of the middle rail 2 is provided with an outer rail 3, the outer rail 3 is arranged along the outer edge of the rail edge 201 of the middle rail 2 in a sliding way, the inner rail 1 is arranged along the inner edge of the rail edge 201 of the middle rail 2 in a sliding way, the rear end positions of the inner rail 1 and the middle rail 2 are provided with a locking structure 4, the front end region of the main body of the middle rail 2 in the length direction is provided with a first sequence locking groove 5 and a second sequence locking groove 6 which are arranged at intervals, the first sequence locking head 7 with a vertical spring at the upper part is arranged in the first sequence locking groove 5, the rear end surface of the bottom of the first sequence locking head 7 is provided with an oblique guide groove, the second sequence locking head 8, the first sequence lock heads 7 are arranged in the relative front area of the second sequence lock heads 8, the first sequence lock heads 7 and the second sequence lock heads 8 are arranged in a staggered mode in height position, and both sides of the first sequence lock heads 7 and the second sequence lock heads 8 in the thickness direction are arranged in a mode of protruding in the body of the middle rail 2; a pair of positioning convex hull clamping grooves are arranged at the front inner side of the main body of the outer rail 3 corresponding to the height position of the second sequence lock 8, the positioning convex hull clamping grooves are two triangular convex hull clamping grooves 9, an installation gap 10 of the second sequence lock 8 is arranged between the two triangular convex hull clamping grooves 9, the guide inclined planes of the two triangular convex hull clamping grooves 9 are arranged back to back, a stopping convex hull clamping groove 11 is arranged at the rear inner side of the main body of the outer rail 3 corresponding to the height position of the first sequence lock 7, the stopping convex hull clamping groove 11 comprises a front guide inclined slope 12, a middle stopping space 13 and a rear stopping strip 14, the front outer side of the main body of the inner rail 1 corresponding to the height position of the first sequence lock 7 and the height position of the second sequence lock 8 is provided with a corresponding inner rail unlocking first convex hull 15 and an inner rail unlocking second convex hull 16, the inner rail unlocking first convex hull 15 is provided with a first unlocking convex hull 17 and a second stopping convex hull 18, the first unlocking convex hull 17 is provided with a guide inclined plane, the second stopping convex hull 18 comprises a guide inclined plane and a vertical stopping strip 19, and a limiting interval 20 of a first sequence of lock heads is reserved between the first unlocking convex hull 17 and the second stopping convex hull 18.

In the fully unfolded state, the locking structure of the inner rail 1 is locked on the locking structure 4 at the rear end of the middle rail 2, and the first sequence lock head 7 is clamped in the middle stopping space 13 of the stopping convex hull clamping groove 11;

in a half-unfolding state, the locking structure of the inner rail 1 is locked on the locking structure 4 at the rear end 2 of the middle rail, and the first sequence of lock heads 7 are stirred upwards and then the inner rail 1 is pushed forwards in a full-unfolding state, so that the middle rail 2 slides forwards until the second sequence of lock heads 8 are embedded in the installation gap 10 between the triangular convex hull clamping grooves 9;

in a closed state, the locking structure 4 is unlocked, the inner rail 1 is pushed forwards until the inner rail unlocks the first sequence lock heads 7 by the first convex hulls 15, the second sequence lock heads 8 are unlocked by the second convex hulls 16 by the inner rail, and the second sequence lock heads 8 are arranged in the limiting intervals 20.

The working principle is as follows: it sets up the convex closure respectively through the corresponding side for well rail at interior rail and outer rail for whole structure is provided with half exhibition state, and under half exhibition state, the locking structure locking of interior rail attaches the structure in the lock of well rail rear end, and the installation clearance between the triangle convex closure draw-in groove is inlayed to the second sequence tapered end to well rail, can install quick-witted case under half exhibition state, and it makes orbital locking simple structure, and orbital opening is separated the unblock convenient and fast.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a three section rail, its includes the well rail of arranging along length direction, the upper end of the height of well rail, lower extreme are provided with the track limit respectively, the inboard of well rail is provided with the inner rail, the outside of well rail is provided with outer rail, outer rail slides along the track limit outer fringe of well rail and sets up, the inner rail slides along the track limit inner edge of well rail and sets up, the rear end position of inner rail and well rail is provided with lock and attaches structure, its characterized in that: the front end region of the main body in the length direction of the middle rail is provided with a first sequence locking groove and a second sequence locking groove which are arranged at intervals, a first sequence lock head with a vertical spring at the upper part is arranged in the first sequence locking groove, the rear end face of the bottom of the first sequence lock head is provided with an oblique guide groove, a second sequence lock head with a vertical spring at the upper part is arranged in the second sequence locking groove, the rear end face of the bottom of the second sequence lock head is provided with an oblique guide groove, the first sequence lock head is arranged in the relative front region of the second sequence lock head, the first sequence lock head and the second sequence lock head are arranged in a staggered height position, and two sides of the first sequence lock head and the second sequence lock head in the thickness direction are arranged in a way of being protruded to the body of the middle rail; a pair of positioning convex hull clamping grooves are arranged at the front inner side of the main body of the outer rail corresponding to the height position of the second sequence lock head, the positioning convex hull clamping grooves are two triangular convex hull clamping grooves, an installation gap of the second sequence lock head is arranged between the two triangular convex hull clamping grooves, the guide inclined planes of the two triangular convex hull clamping grooves are arranged outwards in a back-to-outside manner, a backstop convex hull clamping groove is arranged at the rear inner side of the main body of the outer rail corresponding to the height position of the first sequence lock head, the backstop convex hull clamping groove comprises a front guide inclined plane, a middle backstop space and a rear backstop strip, corresponding inner rail unlocking first convex hulls and inner rail unlocking second convex hulls are arranged at the front outer side of the main body of the inner rail corresponding to the height positions of the first sequence lock head and the second sequence lock head, and the inner rail unlocking first convex hulls and second backstop convex hulls are arranged at the inner rail unlocking first, the first unlocking convex hull is provided with a guide inclined plane, the second stopping convex hull comprises a guide inclined plane and a vertical stopping strip, and a limiting interval of the first sequence lock head is reserved between the first unlocking convex hull and the second stopping convex hull.

2. A three-section rail according to claim 1, wherein: and in the fully unfolded state, the locking structure of the inner rail is locked on the locking structure at the rear end of the middle rail, and the first sequence lock head is clamped in the middle stopping space of the stopping convex hull clamping groove.

3. A three-section rail according to claim 2, wherein: and in the half-unfolding state, the locking structure of the inner rail is locked on the locking structure at the rear end of the middle rail, the first sequence of lock heads are stirred upwards and then the inner rail is pushed forwards in the whole unfolding state, and the middle rail slides forwards until the second sequence of lock heads are embedded in the mounting gap between the triangular convex hull clamping grooves.

4. A three-section rail according to claim 1, wherein: and under the closed state, the locking structure is unlocked, the inner rail is pushed forwards until the inner rail unlocks the first sequence lock head by the first convex hull, the inner rail unlocks the second sequence lock head by the second convex hull, and the second sequence lock head is arranged in the limiting interval.