CN219158668U - Lock with double lock cylinders - Google Patents

Abstract

The utility model relates to the technical field of locks, and discloses a double-lock-core lock, which solves the problem that two locks are troublesome to use in the prior safe production, environment-friendly management or other places needing to be subjected to double-locking.

Description

Lock with double lock cylinders

Technical Field

The utility model belongs to the technical field of locks, and particularly relates to a double-lock-core lock.

Background

In the field of safety production management, some dangerous operations are double-locked, such as maintenance of a high-voltage power transmission and distribution system, a power transmission configuration cabinet is required to be powered off and then double-locked, keys are respectively responsible for safekeeping by a safety officer and an operation responsible person, after the operation is completed, both sides can be unlocked after confirming safety on site, and the double-lock operation is also carried out by an environment-friendly dangerous waste warehouse, and the double-lock operation is troublesome to use and needs to use different locks, so that two people can simultaneously unlock the same lock by using different keys on site, thereby ensuring safety production, environment-friendly management or other places needing to carry out double-lock.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the double-lock cylinder lock, which effectively solves the problem that the two locks are troublesome to use in the prior safe production, environment-friendly management or other places where double locking is required to be carried out.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double lock core lock, includes the lock body, the mounting groove has been seted up to the inside one side of lock body, the mounting groove is inside to have the catch through first spring coupling, the notch has been seted up to catch one end lower part, the inside mounting groove one side of keeping away from of lock body has been seted up the jack groove, catch and jack groove grafting, the lock core groove has been seted up to the inside downside of lock body, lock core sleeve has all been inlayed to the inside both sides of lock core groove, two lock core sleeve are inside all to rotate and are connected with the lock core, be connected with the cam between two lock cores, the movable groove has been seted up to the cam top and be located the lock body inside, movable groove inside swing joint has the drive post, the drive post lower extreme is connected with the ejector pin, the ejector pin contacts with the cam, the drive post upper end is connected with the wedge pole, drive post upper end and be located wedge pole one side and be connected with the second spring, the lock tongue groove has been seted up to the inside upside of lock tongue groove and movable groove and jack groove intercommunication, the lock tongue inslot has the spring bolt through the third spring coupling, the backstop groove has been seted up to lock tongue lower extreme one side.

Preferably, both sides of the lower end of the lock body are provided with retaining pin grooves, and the lower ends of the retaining pin grooves are connected with end covers through screws.

Preferably, the two stop pin grooves are connected with stop pins through fourth springs, the upper ends of the stop pins penetrate through the lock cylinder sleeve to be connected with the lock cylinder in an inserting mode, and positioning grooves are formed in the lower ends of the lock cylinders, corresponding to the inserting positions of the stop pins.

Preferably, one side of the upper part of the inner wall of the mounting groove is connected with a guide block, one side of the locking ring is provided with a guide groove, and the guide groove is positioned outside the guide block.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the double lock core structure, two people are required to open the same lockset by using different keys at the same time when opening the lockset, so that the operation safety is ensured, the whole structure is simple, the practicability is strong, and compared with the double lock structure, the lockset only needs one lock, and the lockset is convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a front view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic diagram of the positioning slot opening structure of the present utility model;

in the figure: 1. a lock body; 2. a mounting groove; 3. a first spring; 4. a locking ring; 5. a notch; 6. a plug-in groove; 7. a lock cylinder groove; 8. a lock core sleeve; 9. a lock core; 10. a cam; 11. a movable groove; 12. a drive column; 13. a push rod; 14. a wedge bar; 15. a second spring; 16. a tongue locking groove; 17. a third spring; 18. a bolt; 19. a stop groove; 20. a pin blocking groove; 21. an end cap; 22. a fourth spring; 23. a stop pin; 24. a guide block; 25. a guide groove; 26. and a positioning groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-4, the utility model includes lock body 1, one side of the inside of lock body 1 has been offered mounting groove 2, mounting groove 2 is inside to be connected with catch 4 through first spring 3, catch 4 one end lower part has been offered notch 5, mounting groove 2 inner wall upper portion one side is connected with guide block 24, catch 4 one side has been offered guide groove 25, guide groove 25 is located the outside of guide block 24, conveniently when catch 4 opens and closes, catch 4 can keep stable lift under the cooperation of guide block 24 and guide groove 25 when following mounting groove 2 up-and-down motion, lock body 1 is inside to be kept away from mounting groove 2 one side and has been offered jack groove 6, catch 4 and jack rod 6 grafting, lock body 1 is inside to be offered jack rod 7, the inside both sides of jack rod 7 are all inlayed and are had lock cylinder sleeve 8, two lock cylinder sleeve 8 are inside all rotated and are connected with lock core 9, be connected with cam 10 between two lock cylinder 9, cam 10 top and be located lock body 1 inside and have been offered movable groove 11, movable connection has drive post 12 inside movable connection, drive post 12 bottom end connection 13 has, drive post 13 and 13 side and 16 side that is located wedge-shaped 16 side 16 are connected with jack rod 16, the inside and 16 side is connected with jack rod 16, jack rod 16 side 13 is located the inside and is connected with jack rod 16, the inside 16 side is connected with jack rod 16, the jack rod 16 is connected with jack rod 16, the inside is connected with jack rod 16, 13 side is connected with jack rod 16, and is connected with jack rod 16 inside through the jack rod 16.

In the second embodiment, on the basis of the first embodiment, two sides of the lower end of the lock body 1 are provided with stop pin grooves 20, the lower ends of the stop pin grooves 20 are connected with an end cover 21 through screws, the insides of the two stop pin grooves 20 are connected with stop pins 23 through fourth springs 22, the upper ends of the stop pins 23 penetrate through a lock cylinder sleeve 8 to be inserted into a lock cylinder 9, and a positioning groove 26 is formed in the lower end of the lock cylinder 9 corresponding to the insertion position of the stop pins 23;

the two keys are respectively inserted into the lock cylinders 9 at two sides and then simultaneously rotate, so that the two lock cylinders 9 simultaneously rotate, the stop pin 23 is extruded, the stop pin 23 is contracted downwards into the stop pin groove 20, the two lock cylinders 9 drive the cam 10 to rotate and prop against the ejector rod 13, the driving column 12 drives the wedge-shaped rod 14 to extrude the lock tongue 18, the lock tongue 18 is contracted and separated from the notch 5, and the lock ring 4 is opened.

Working principle: when the lockset needs to be opened, after two lock cylinders 9 are inserted into two keys, the two keys are simultaneously rotated to drive the cams 10 to rotate, the cams 10 jack up the ejector rods 13 upwards, the transmission column 12 drives the wedge-shaped rod 14 to move upwards, at the moment, the second springs 15 are compressed, then the wedge-shaped surface of the wedge-shaped rod 14 is propped against the stop groove 19 at the lower end of the lock tongue 18, the lock tongue 18 moves leftwards under the thrust of the wedge-shaped surface, at the moment, the third springs 17 are compressed, the clamping connection between the lock tongue 18 and the notch 5 at the lower part of the lock ring 4 is released, then the lock ring 4 moves upwards and downwards under the action of the first springs 3, the lock ring 4 is separated from the inserting groove 6 to open the lockset, after the lock ring 4 is opened, the lock ring 4 moves to the upper part of the installation groove 2 under the jacking action of the first springs 3, the lock ring 4 is stopped under the limit of the guide block 24, and at the same time, the guide block 24 is positioned at the corresponding annular groove of the lock ring 4, so that the lock ring 4 can rotate annularly; when the lockset needs to be locked, the lock ring 4 is rotated to correspond to the inserting groove 6 and then is pressed downwards until the lock tongue 18 is clamped with the notch 5, at the moment, the first spring 3 is compressed, and the lock tongue 18 keeps a locking state through the pretightening force given by the third spring 17.

Claims (4)

1. The utility model provides a double lock core lock, includes lock body (1), its characterized in that: the lock is characterized in that a mounting groove (2) is formed in one side of the inside of the lock body (1), a lock ring (4) is connected to the inside of the mounting groove (2) through a first spring (3), a notch (5) is formed in the lower portion of one end of the lock ring (4), a plug groove (6) is formed in one side, far away from the mounting groove (2), of the inside of the lock body (1), the lock ring (4) is plugged with the plug groove (6), a lock cylinder groove (7) is formed in the lower side of the inside of the lock body (1), lock cylinder sleeves (8) are embedded in the two sides of the inside of the lock cylinder groove (7), lock cylinders (9) are rotatably connected in the two lock cylinder sleeves (8), a cam (10) is connected between the two lock cylinders (9), a movable groove (11) is formed in the upper portion of the cam (10) and is located in the inside of the lock body (1), a transmission column (12) is movably connected to the inside of the movable groove (11), a push rod (13) is connected to the lower end of the transmission column (12), the push rod (13) is contacted with the cam (10), the upper end of the transmission column (12) is connected with a wedge-shaped rod (14), the upper end of the transmission column (12) is connected to one side of the wedge-shaped rod (14), the wedge-shaped rod (14) is connected to one side of the second spring (15), the upper side of the lock body (16) is connected to the upper side of the lock tongue (16) and the movable groove (16) is connected to the movable groove (16), the inside of the lock tongue groove (16) is connected with a lock tongue (18) through a third spring (17), and one side of the lower end of the lock tongue (18) is provided with a stop groove (19).

2. A dual lock cylinder lock as claimed in claim 1, wherein: both sides of the lower end of the lock body (1) are provided with retaining pin grooves (20), and the lower ends of the retaining pin grooves (20) are connected with end covers (21) through screws.

3. A dual lock cylinder lock as claimed in claim 2, wherein: the inside of the two stop pin grooves (20) is connected with a stop pin (23) through a fourth spring (22), the upper end of the stop pin (23) penetrates through the lock cylinder sleeve (8) to be inserted into the lock cylinder (9), and a positioning groove (26) is formed in the lower end of the lock cylinder (9) corresponding to the insertion position of the stop pin (23).

4. A dual lock cylinder lock as claimed in claim 1, wherein: the guide block (24) is connected to one side of the upper portion of the inner wall of the mounting groove (2), the guide groove (25) is formed in one side of the locking ring (4), and the guide groove (25) is located outside the guide block (24).

Images