CN215872373U - Double-sequence lock structure - Google Patents
Double-sequence lock structure Download PDFInfo
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- CN215872373U CN215872373U CN202121783774.8U CN202121783774U CN215872373U CN 215872373 U CN215872373 U CN 215872373U CN 202121783774 U CN202121783774 U CN 202121783774U CN 215872373 U CN215872373 U CN 215872373U
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Abstract
The utility model provides a double-sequence lock structure which is used for completing locking attachment of a middle rail after an inner rail is installed in place, so that the inner rail and the middle rail can move synchronously in the middle rail pushing process, and the safe movement of a chassis is ensured. It comprises an inner rail, a middle rail and an outer rail; a first sequential lock and a second sequential lock are sequentially arranged at the rear end of the middle rail in the length direction; the rear end of the inner rail in the length direction is provided with a locking groove, the first sequence lock is inserted into the locking groove after the inner rail is installed in place relative to the middle rail, the front end of the locking groove is provided with a first stop block, the rear end of the locking groove is provided with a second stop block, and the first stop block and the second stop block are locked and attached to the first sequence lock and are positioned in the locking groove; the rear end of the outer rail in the length direction is provided with a limiting stop groove, a first guide block and a second guide block are respectively arranged on two sides of the limiting stop groove, and the second sequence lock is embedded in the limiting stop groove after the middle rail is installed in place relative to the outer rail.
Description
Technical Field
The utility model relates to the technical field of heavy-duty sliding rail structures, in particular to a double-sequence lock structure.
Background
The current heavy slide rail, its inner rail needs and quick-witted case fixed equipment when the equipment, later with the inner rail cartridge in the center rail, the center rail sets up for outer rail push-and-pull, in current technique, the relative center rail of inner rail easily produces sliding displacement, and then leads to the derail, because the quick-witted case that heavy guide rail corresponds is heavier, the inner rail derails the rail and easily causes the quick-witted case to fall for the center rail, causes serious loss, for this, urgently need a section can prevent the heavy slide rail structure that inner rail and center rail break away from.
Disclosure of Invention
In order to solve the problems, the utility model provides a double-sequence lock structure which is used for completing locking attachment of a middle rail after an inner rail is installed in place, so that the inner rail and the middle rail can be ensured to move synchronously in the middle rail pushing process, and the safe movement of a chassis is ensured.
A double sequence lock structure, comprising:
an inner rail;
a middle rail;
an outer rail;
a first sequential lock and a second sequential lock are sequentially arranged at the rear end of the middle rail in the length direction;
the rear end of the inner rail in the length direction is provided with a locking groove, the first sequence lock is inserted into the locking groove after the inner rail is installed in place relative to the middle rail, the front end of the locking groove is provided with a first stop block, the rear end of the locking groove is provided with a second stop block, and the first stop block and the second stop block are locked and attached to the first sequence lock and are positioned in the locking groove;
the rear end of the outer rail in the length direction is provided with a limiting stop groove, a first guide block and a second guide block are respectively arranged on two sides of the limiting stop groove, the middle rail is installed in place relative to the outer rail, the second sequence lock is embedded in the limiting stop groove, a guide inclined plane is arranged at the front end of the bottom of the second sequence lock, and the middle rail is pulled by external force to drive the guide inclined plane to drive the second sequence lock to be separated from the limiting stop groove.
It is further characterized in that:
the first sequence lock and the second sequence lock respectively comprise a gap groove, a lock block and a spring, the spring and the lock block are embedded in the gap groove, the upper end of the spring is connected with an installation bulge, the lower end of the spring is connected with the upper end of the lock block, the front end face of the bottom of the lock block is provided with a guide inclined plane, the guide inclined plane is specifically an inclined plane which inclines downwards from front to back, the lock block is arranged in a convex mode relative to the thickness direction side of the middle rail, and normal assembly operation of the lock block, the limit stop groove and the limit stop groove is guaranteed and corresponds to the lock block;
the first stop block and the second stop block are arranged towards the corresponding side sides of the first sequential lock in a protruding mode, the first stop block comprises a vertical stop edge, the second stop block comprises an upper end inclined guide surface, the vertical stop edge ensures that the lock block of the first sequential lock cannot be separated from the lock attachment groove when the lock block is not acted by vertical upward external force, and the upper end inclined guide surface is matched with the guide inclined surface to enable the lock block of the first sequential lock to enter the lock attachment groove;
the upper surface of the first guide block is an inclined plane which inclines upwards from front to back, and the upper surface of the second guide block is an inclined plane which inclines downwards from front to back, so that smooth assembly of the middle rail relative to the outer rail and normal movement after the assembly are ensured.
After the technical scheme is adopted, the slide rail is suitable for a heavy slide rail, the inner rail is required to be completely pulled out and installed on a chassis during assembly, when the inner rail is pushed in, the middle rail is required to be pushed into the outer rail firstly, so that the slide rail cannot be separated due to the fact that the chassis is too heavy during installation, after the inner rail is pushed into the middle rail in place, the first sequence locking position is locked in the locking attachment groove, the first sequence lock is required to be manually shifted and unlocked by multiple persons, self-unlocking cannot be achieved, the inner rail is ensured not to be separated from the middle rail, and in actual assembly, the second sequence lock of the middle rail is required to be pushed into the limiting stop groove of the outer rail, so that the inner rail can be installed and pushed to complete installation, and when the chassis is normally pushed and pulled, the middle rail is automatically unlocked, and the inner rail and the chassis are driven to move along the outer rail; the locking and attaching of the inner rail and the middle rail are completed after the inner rail is installed in place, so that the inner rail and the middle rail can move synchronously in the middle rail pushing process, and the safe movement of the chassis is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view structural schematic of the guide rail of the present invention not assembled in place;
FIG. 3 is a front view structural schematic of the center and outer rails in place;
FIG. 4 is an enlarged view of a portion of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B;
FIG. 6 is an enlarged view of a portion of FIG. 2 at C;
the names corresponding to the sequence numbers in the figure are as follows:
The locking device comprises an inner rail 10, a locking groove 11, a first stop block 12, a vertical stop edge 121, a second stop block 13, an upper end inclined guide surface 131, a middle rail 20, an outer rail 30, a limit stop groove 31, a first guide block 32, a second guide block 33, a first sequence lock 40 and a second sequence lock 50.
Detailed Description
A double sequence lock structure, see fig. 1-6, comprising an inner rail 10, a middle rail 20, an outer rail 30; the rear end of the middle rail 20 in the length direction is sequentially provided with a first sequential lock 40 and a second sequential lock 50;
the rear end of the inner rail 10 in the length direction is provided with a locking groove 11, after the inner rail 10 is installed in place relative to the middle rail 20, the first sequential lock 40 is inserted into the locking groove 11, the front end of the locking groove 11 is provided with a first stop block 12, the rear end of the locking groove 11 is provided with a second stop block 13, and the first stop block 12 and the second stop block 13 lock the first sequential lock 40 in the locking groove 11;
the rear end of the length direction of the outer rail 30 is provided with a limit stop groove 31, the two sides of the limit stop groove 31 are respectively provided with a first guide block 32 and a second guide block 33, the middle rail 20 is installed in place relative to the outer rail 30, then the second sequential lock 50 is embedded in the limit stop groove 31, the front end of the bottom of the second sequential lock 50 is provided with a guide inclined plane, and the middle rail 20 is pulled by external force to drive the guide inclined plane to drive the second sequential lock to be separated from the limit stop groove 31.
The first sequence lock 40 and the second sequence lock 50 respectively comprise a notch groove 1, a lock block 2 and a spring 3, wherein the spring 3 and the lock block 2 are embedded in the notch groove 1, the upper end of the spring 3 is connected with an installation bulge 4, the lower end of the spring 3 is connected with the upper end of the lock block 2, the front end surface of the bottom of the lock block 2 is provided with a guide inclined plane 5, the guide inclined plane 5 is specifically an inclined plane which inclines downwards from front to back, and the lock block 2 is arranged in a convex mode relative to the thickness direction side of the middle rail 20 to ensure normal assembly operation corresponding to the locking groove 11 and the limiting stop groove 31;
the first stop block 12 and the second stop block 13 are arranged towards the corresponding side of the first sequential lock 40 in a convex manner, the first stop block 12 comprises a vertical stop edge 121, the second stop block 13 comprises an upper end inclined guide surface 131, the vertical stop edge 121 ensures that the lock block 2 of the first sequential lock 40 cannot be separated from the lock attaching groove when not being acted by a vertical upward external force, and the upper end inclined guide surface 131 is matched with the guide inclined surface 5, so that the lock block 2 of the first sequential lock 40 enters the lock attaching groove 11; when the inner rail 10 and the middle rail 20 need to be unlocked, an upward acting force needs to be applied to the locking block 2 of the first sequence lock 40, so that the lower part of the locking block 2 is higher than the upper edge of the vertical stopping edge 121, and the inner rail 10 is pulled forwards, so that the inner rail 10 and the middle rail 20 can be separated;
the upper surface of the first guide block 32 is a slope inclined upward from the front and rear, and the upper surface of the second guide block 33 is a slope inclined downward from the front and rear, ensuring smooth assembly of the middle rail 20 with respect to the outer rail 30 and normal movement after completion of the assembly.
In specific implementation, the first sequential lock 40 and the second sequential lock 50 are located at different height direction positions of the middle rail, so that movement interference is avoided.
The working principle is as follows: the inner rail is required to be completely pulled out and installed on a chassis during assembly, when the inner rail is pushed in, the middle rail is required to be partially pushed into the outer rail firstly, so that the sliding rail cannot be pulled out due to the fact that the chassis is too heavy during installation, after the inner rail is pushed into the middle rail in place, the first sequence lock is locked in the lock attachment groove, the first sequence lock is required to be manually shifted and unlocked by multiple persons, the inner rail cannot be unlocked automatically, the inner rail cannot be separated from the middle rail, in addition, the second sequence lock of the middle rail is required to be pushed into the limit stop groove of the outer rail during actual assembly, the inner rail can be installed and pushed in to complete installation, and when the chassis is normally pushed and pulled, the middle rail is automatically unlocked to drive the inner rail and the chassis to move along the outer rail; the locking and attaching of the inner rail and the middle rail are completed after the inner rail is installed in place, so that the inner rail and the middle rail can move synchronously in the middle rail pushing process, and the safe movement of the chassis is guaranteed.
It will be evident to those skilled in the art that the utility model 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 utility model 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 (4)
1. A double sequence lock structure, comprising:
an inner rail;
a middle rail;
an outer rail;
a first sequential lock and a second sequential lock are sequentially arranged at the rear end of the middle rail in the length direction;
the rear end of the inner rail in the length direction is provided with a locking groove, the first sequence lock is inserted into the locking groove after the inner rail is installed in place relative to the middle rail, the front end of the locking groove is provided with a first stop block, the rear end of the locking groove is provided with a second stop block, and the first stop block and the second stop block are locked and attached to the first sequence lock and are positioned in the locking groove;
the rear end of the outer rail in the length direction is provided with a limiting stop groove, a first guide block and a second guide block are respectively arranged on two sides of the limiting stop groove, the middle rail is installed in place relative to the outer rail, the second sequence lock is embedded in the limiting stop groove, a guide inclined plane is arranged at the front end of the bottom of the second sequence lock, and the middle rail is pulled by external force to drive the guide inclined plane to drive the second sequence lock to be separated from the limiting stop groove.
2. The double sequence lock structure of claim 1, wherein: the first sequence lock and the second sequence lock respectively comprise a notch groove, a lock block and a spring, the spring and the lock block are embedded in the notch groove, the upper end of the spring is connected with an installation bulge, the lower end of the spring is connected with the upper end of the lock block, a guide inclined plane is arranged on the front end face of the bottom of the lock block, the guide inclined plane is specifically an inclined plane which inclines downwards from front to back, and the lock block is arranged in a convex mode relative to the thickness direction side of the middle rail.
3. The double sequence lock structure of claim 2, wherein: the first stop block and the second stop block are arranged towards the corresponding side of the first sequential lock in a protruding mode, the first stop block comprises a vertical stop edge, and the second stop block comprises an upper end inclined guide surface.
4. The double sequence lock structure of claim 2, wherein: the upper surface of the first guide block is an inclined surface inclined upwards from front to back, and the upper surface of the second guide block is an inclined surface inclined downwards from front to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121783774.8U CN215872373U (en) | 2021-08-02 | 2021-08-02 | Double-sequence lock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121783774.8U CN215872373U (en) | 2021-08-02 | 2021-08-02 | Double-sequence lock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215872373U true CN215872373U (en) | 2022-02-18 |
Family
ID=80329416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121783774.8U Active CN215872373U (en) | 2021-08-02 | 2021-08-02 | Double-sequence lock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215872373U (en) |
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2021
- 2021-08-02 CN CN202121783774.8U patent/CN215872373U/en active Active
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