CN215760947U - Novel AB key lock - Google Patents

Abstract

The utility model relates to a novel AB key lock, which comprises a lock body, two panels and two handles, wherein the lock body is provided with a lock core, a first lock tongue, a second lock tongue, a rotating shaft, a square rod and a first spring, the first lock tongue is provided with a sliding block, the rotating shaft is provided with a connecting piece and a second spring, one end of the sliding block is provided with a sliding groove, the other end of the sliding block is provided with a third spring, one handle is provided with a pressing piece corresponding to the square rod, the other handle is provided with a driving assembly, the connecting piece is moved through the square rod and a connecting shaft, so that the connecting piece and the sliding block are disconnected, the first lock tongue can retract into the lock body under the elastic force of the third spring, a door can be easily opened, the door can be opened without using the handles, a person, namely both hands can occupy, and the door can be opened.

Description

Novel AB key lock

Technical Field

The utility model relates to the technical field of key locks, in particular to a novel AB key lock.

Background

An AB key lock is a lock with a lock cylinder capable of being inserted with two keys, which is commonly seen in a door, the two keys are divided into a key A and a key B, the two keys are basically the same, wherein the key A is used by construction personnel, the key B is used by owners, the key B is inserted into the lock and is pulled out after being rotated for 180 degrees, the internal structure of the lock cylinder can be changed, and therefore the lock can be unlocked only by using the key B, and the publication No. CN206158367U discloses the AB lock, so that the defect that the key A can be used for opening the door by a complementary method after the door is opened by using the key B is overcome, but the AB key is improved on the lock cylinder of the AB lock, and the other places are still the same as common door locks.

Regardless of AB lock and ordinary pickproof lock, all can have a self-locking function for after the door is closed, need rotate the handle and just can open, but in some times, for example when carrying the thing in the hand, inconvenient rotation handle is opened the door, and the thing has inconvenient putting down, and this will be very troublesome, and need the door to open always sometimes, or open the door fast, at this time, just need not the self-locking function of lock, but the self-locking function of ordinary lock can't remove temporarily, consequently needs a novel AB key lock.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel AB key lock.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel AB key lock, which comprises a lock body, two panels and two handles, be provided with the lock core on the lock body, first spring bolt, second spring bolt and axis of rotation, square bar and first spring, the axis of rotation passes through square bar and handle connection, be provided with the slider on the first spring bolt, be provided with connecting piece and second spring in the axis of rotation, slider one end is provided with the spout, the other end is provided with the third spring, the one end setting of connecting piece is in the spout, axis of rotation and lock body pass through first spring coupling, one of them is provided with the pressing piece that corresponds with the square bar on hand, another is provided with drive assembly on hand, be provided with ejector pad and locking strip on the panel, be provided with the spacing groove on the square bar, locking strip bottom and spacing groove correspond the setting, be provided with the shifting chute on the panel, the ejector pad sets up the outside at the panel, and pass shifting chute and locking strip and connect.

Preferably, first spring bolt sets up to the wedge, and the sliding block cavity sets up, and the one end that first spring bolt and sliding block are connected sets up to the T shape, and this end setting is inside the sliding block, and the inside fixed spring that is provided with of sliding block, first spring bolt and sliding block sliding connection. The first lock tongue can enter the sliding block under the condition that the sliding block is not moved, so that the door can be conveniently closed.

In further preferred, the top of removal groove is provided with the arc, and the one end that ejector pad and locking strip are connected is provided with the fixed strip, and the fixed strip sets up with the arc correspondingly. The arc plate and the fixing strip can fix the push block, so that the locking strip is more stable than the fixing by friction force.

In a further preferred embodiment, the inner side of the panel is provided with two restricting strips, which are arranged on both sides of the locking strip. The limiting strip prevents the locking strip from rotating along with the push block.

In further preferred, drive assembly includes the drive strip, presses down briquetting and clamping screw, and the one end of drive strip is provided with the bar hole, is provided with the sliding tray on the handle, and clamping screw passes sliding tray and bar hole, and with square bar threaded connection, presses the one end of briquetting and passes the handle, and the other end and the corresponding setting of drive strip, the centre and the handle swing joint of drive strip. The driving assembly can pull the square rod by pressing the pressing block to move the connecting piece.

In further preferred, be provided with the stopper on the square bar, the connecting strip is kept away from the one end and the axis of rotation sliding connection of spout, is provided with on the axis of rotation and promotes the groove, and the stopper setting is in promoting the groove. The limiting block can push the connecting piece to move in the pushing groove, so that the connection between the connecting shaft and the lock body is more stable.

In a further preferred mode, the inside and the outside of the sliding block are both provided with a guide post, one end of the guide post inside the sliding block is connected with the sliding block, the other end of the guide post is connected with the first lock tongue in a sliding mode, one end of the guide post outside the sliding block is movably connected with the sliding block, and the other end of the guide post is connected with the lock body. The guide post may prevent the third spring and the fixed spring from being displaced.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel AB key lock, which has the following beneficial effects:

in the utility model, the first lock tongue can be moved through the handle, the square rod, the connecting shaft, the connecting piece and the sliding block to open the door, the connecting piece can be moved through the pressing piece, the square rod and the connecting shaft to separate the connecting piece from the sliding block, the sliding block and the first lock tongue can retract into the lock body under the elastic force of the third spring, then, only one handle needs to be rotated to move one end of the connecting piece inserted into the sliding groove to the sliding groove of the sliding block, the connecting piece can be inserted into the sliding groove under the elastic force of the second spring, the first lock tongue can be controlled by the handle, so that two hands can be released to a certain degree, a person can press the pressing piece through the body or other objects under the condition that the heavy object is held by hand, the door is opened conveniently, the bottom end of the locking bar is inserted into the limiting groove through the push block, the square rod can only rotate, and then the pressing piece that makes can not play a role, avoids because unexpected, leads to the door to open, and through drive assembly, drive assembly can make the connecting piece remove through the pulling square bar, and then makes the door open, and the cooperation pressing piece for people can both not open the door through the handle no matter in that one side of door.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the upper portion of the lock body of the present invention;

FIG. 3 is a cross-sectional view of a handle with a drive assembly of the present invention;

FIG. 4 is a schematic view of the structure of one of the panels, one of the handles and the square bar of the present invention;

fig. 5 is a schematic structural view of the square bar, the rotating shaft, the connecting member and the second spring according to the present invention.

In the figure: 1. a lock body; 2. a panel; 3. a handle; 4. a lock cylinder; 5. a first bolt; 6. a second bolt; 7. a rotating shaft; 8. a square bar; 9. a slider; 10. a connecting member; 11. a chute; 12. a first spring; 13. a second spring; 14. a third spring; 15. a pressing member; 16. a push block; 17. a locking bar; 18. a limiting groove; 19. a moving groove; 20. fixing the spring; 21. an arc-shaped plate; 22. a fixing strip; 23. a restriction strip; 24. a drive bar; 25. a pressing block; 26. fixing the screw rod; 27. a strip-shaped hole; 28. a sliding groove; 29. a limiting block; 30. a push groove; 31. and a guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-5, a novel AB key lock includes a lock body 1, two panels 2 and two handles 3, the lock body 1 is provided with a lock core 4, a first lock tongue 5, a second lock tongue 6, a rotation shaft 7, a square bar 8 and a first spring 12, the rotation shaft 7 is connected with the handles 3 through the square bar 8, the first lock tongue 5 is provided with a slide block 9, and the novel AB key lock is characterized in that: be provided with connecting piece 10 and second spring 13 on the axis of rotation 7, slider 9 one end is provided with spout 11, the other end is provided with third spring 14, the one end setting of connecting piece 10 is in spout 11, axis of rotation 7 and lock body 1 are connected through first spring 12, be provided with the pressing piece 15 that corresponds with square bar 8 on one of them handle 3, be provided with drive assembly on another handle 3, be provided with ejector pad 16 and locking strip 17 on the panel 2, be provided with spacing groove 18 on the square bar 8, locking strip 17 bottom and spacing groove 18 correspond the setting, be provided with shifting chute 19 on the panel 2, ejector pad 16 sets up the outside at panel 2, and pass shifting chute 19 and locking strip 17 and connect.

In this embodiment, the first latch bolt 5 is wedge-shaped, the sliding block 9 is hollow, one end of the first latch bolt 5 connected with the sliding block 9 is T-shaped and is arranged inside the sliding block 9, the fixed spring 20 is arranged inside the sliding block 9, and the first latch bolt 5 is slidably connected with the sliding block 9. The sliding block 9 is connected with the first bolt 5 in a sliding manner, so that the handle 3 does not need to be rotated when the door is closed, the door is more convenient to close, and the first bolt 5 can automatically reset after the door is closed by the fixed spring 20.

In this embodiment, the top end of the moving slot 19 is provided with an arc-shaped plate 21, one end of the push block 16 connected with the locking bar 17 is provided with a fixing bar 22, and the fixing bar 22 and the arc-shaped plate 21 are correspondingly arranged. The arc plate 21 is approximately cylindrical, but the bottom of the arc plate 21 is open, when the fixing strip 22 is vertical, the arc plate 21 can be separated from the position of the bottom opening of the arc plate 21, when the fixing strip 22 is vertical, the arc plate 21 cannot be separated from the bottom of the arc plate 21, and therefore the fixing strip 22, the push block 16 and the locking strip 17 can be fixed.

In the present embodiment, two restricting strips 23 are provided on the inner side of the panel 2, and the restricting strips 23 are provided on both sides of the locking strip 17. The limiting strip 23 can limit the position of the locking strip 17, so that the locking strip 17 can only move up and down and cannot rotate, and the locking strip 17 is prevented from rotating along with the rotation of the push block 16.

In this embodiment, the driving assembly includes the driver strip 24, presses the briquetting 25 and the clamping screw 26, and the one end of driver strip 24 is provided with the bar hole 27, is provided with the sliding tray 28 on the handle 3, and clamping screw 26 passes sliding tray 28 and bar hole 27, and with square bar 8 threaded connection, presses the one end of briquetting 25 to pass handle 3, and the other end and driver strip 24 correspond the setting, the centre and the handle 3 swing joint of driver strip 24. Through pressing the pressing block 25, can make the one end of gib 24 remove, the middle and the inside removal of handle 3 of gib 24, gib 24 one end of gib removes, because the lever is kept away from, the other end can reverse movement, and pulling square bar 8 removes, and then makes connecting piece 10 remove, and clamping screw 26 makes gib 24 and square bar 8 connect, and bar hole 27 and sliding tray 28 provide the removal space for clamping screw 26.

In this embodiment, the square rod 8 is provided with a stop block 29, one end of the connecting member 10 away from the sliding groove 11 is slidably connected with the rotating shaft 7, the rotating shaft 7 is provided with a pushing groove 30, and the stop block 29 is arranged in the pushing groove 30. The stopper 29 moves as the square bar 8 moves, and the stopper 29 moves in the push groove 30, so that the square bar 8 can move the link 10.

In this embodiment, the inside and the outside of the sliding block 9 are both provided with a guiding column 31, one end of the guiding column 31 inside the sliding block 9 is connected with the sliding block 9, the other end is connected with the first lock tongue 5 in a sliding manner, one end of the guiding column 31 outside the sliding block 9 is movably connected with the sliding block 9, and the other end is connected with the lock body 1. The guide post 31 is used for fixing the third spring 14 and the fixing spring 20, preventing the third spring 14 and the fixing spring 20 from being displaced, and limiting the moving track of the slider 9 and the first latch bolt 5.

Example 2:

referring to fig. 1-5, when in use, the lock body 1, the panel 2 and the handle 3 are installed on a door, when the door is opened, a key is first inserted into the lock core 4, the second bolt 6 enters the lock body 1 through the lock core 4, if the second bolt 6 does not need a key in the lock body 1, then the handle 3 is rotated, the handle 3 rotates the rotating shaft 7 through the square rod 8, the rotating shaft 7 drives the connecting member 10 to rotate, the first spring 12 is stretched, when the connecting member 10 rotates, because one end of the connecting member 10 is inserted into the sliding slot 11, the sliding block 9 is driven to move, and further the first bolt 5 is driven to move, so that most of the first bolt 5 enters the lock body 1, the door can be opened, the handle 3 is released, the handle 3 is reset by the pulling force of the first spring 12, when the door is closed, the first bolt 5 contacts the door frame, and is pushed into the lock body 1, the first bolt 5 compresses the fixing spring 20, therefore, the door can be smoothly closed, a hole is formed in the door frame, when the first bolt 5 is aligned with the hole, the first bolt 5 enters the hole through the fixed spring 20, the door is locked, the second bolt 6 enters the hole through the key inserted into the lock core 4, the door is completely locked, if goods are transported, the handle 3 is inconvenient to rotate, the pressing piece 15 or the pressing block 25 can be pressed through one part of the body or other objects, when the pressing piece 15 is pressed, the square rod 8 can move, the square rod 8 can drive the connecting piece 10 to move through the limiting block 29, the connecting piece 10 enables the second spring 13 to be compressed, the connecting piece 10 can be separated from the sliding groove 11, at the moment, the sliding block 9 does not have the position limited by the connecting piece 10, the sliding block 9 and the first bolt 5 enter the lock body 1 through the elasticity of the third spring 14 between the sliding block 9 and the lock body 1, and the door can be directly pushed open, the handle 3 does not need to be rotated, the elastic force of the first spring 12 is larger than that of the third spring 14, so that the situation that the sliding block 9 is not separated from the connecting piece 10 yet is avoided, the first bolt 5 enters the lock body 1 due to the elastic force of the third spring 14, the method for enabling the connecting piece 10 to enter the sliding groove 11 again is convenient, the connecting piece 10 is rotated by rotating the handle 3, when the connecting piece 10 is aligned with the sliding groove 11, the connecting piece 10 can be inserted into the sliding groove 11 again under the action of the elastic force of the second spring 13, the handle 3 is loosened, the handle 3 and the connecting piece 10 are reset under the tensile force of the first spring 12, the connecting piece 10 drives the sliding block 9 to move, one end of the first bolt 5 penetrates through the lock body 1, and therefore, the first bolt 5 can play a role in locking the door again.

Example 3:

referring to fig. 1-5, when a heavy object is held by a hand and it is inconvenient to open a door, the door can be opened by pressing the pressing member 15 or the pressing block 25, when the pressing block 25 is pressed, the driving bar 24 is rotated around a position connected with the inside of the handle 3 by the pressing block 25, one end of the driving bar 24 away from the pressing block 25 is connected with the square bar 8 by the fixing screw 26, when the driving bar 24 is rotated, the square bar 8 is moved by the lever away, the fixing screw 26 moves in the bar hole 27 and the sliding groove 28, so that the pressing block 25 can make the square bar 8 push the connecting member 10 to move, and further achieve the effect of pressing the pressing member 15, even if the first lock tongue 5 enters the lock body 1, the pressing block 25 and the pressing member 15 make a person can open the door on both sides of the door without rotating the handle 3, if it is desired to avoid the first lock tongue 5 from accidentally entering the lock body 1, through promoting ejector pad 16, make the bottom of locking strip 17 get into go into the card go into the spacing groove 18 on the square bar 8 can, square bar 8 just can not remove like this, just can not make square bar 8 remove through pressing down pressing piece 15 or pressing block 25, and then make the door open, wait to needs the time, upwards promote ejector pad 16, make locking strip 17 rebound, then rotate the promotion, make fixed strip 22 rotate, fixed both ends all get into the inboard of arc 21, under the condition of not rotating ejector pad 16 like this, make unable ejector pad 16 that makes and remove, and then avoided leading to square bar 8 to be locked because of the accident.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a novel AB key lock, includes lock body (1), two panels (2) and two handles (3), is provided with lock core (4), first spring bolt (5), second spring bolt (6) and axis of rotation (7), square bar (8) and first spring (12) in the lock body (1), and axis of rotation (7) are connected through square bar (8) and handle (3), are provided with slider (9), its characterized in that on first spring bolt (5): the lock is characterized in that a connecting piece (10) and a second spring (13) are arranged on the rotating shaft (7), a sliding groove (11) is formed in one end of a sliding block (9), a third spring (14) is arranged at the other end of the sliding block, one end of the connecting piece (10) is arranged in the sliding groove (11), the rotating shaft (7) is connected with the lock body (1) through the first spring (12), a pressing piece (15) corresponding to the square rod (8) is arranged on one handle (3), a driving assembly is arranged on the other handle (3), a pushing block (16) and a locking strip (17) are arranged on the panel (2), a limiting groove (18) is formed in the square rod (8), the bottom end of the locking strip (17) and the limiting groove (18) are correspondingly arranged, a moving groove (19) is formed in the panel (2), the pushing block (16) is arranged on the outer side of the panel (2), and penetrates through the moving groove (19) to be connected with the locking strip (17).

2. A novel AB key lock as claimed in claim 1, wherein: first spring bolt (5) set up to the wedge, and slider (9) cavity sets up, and the one end that first spring bolt (5) and slider (9) are connected sets up to the T shape, and this end setting is inside slider (9), and slider (9) inside is provided with fixed spring (20), first spring bolt (5) and slider (9) sliding connection.

3. A novel AB key lock as claimed in claim 1, wherein: an arc-shaped plate (21) is arranged at the top end of the moving groove (19), a fixing strip (22) is arranged at one end, connected with the locking strip (17), of the push block (16), and the fixing strip (22) and the arc-shaped plate (21) are correspondingly arranged.

4. A novel AB key lock as claimed in claim 3, wherein: two limiting strips (23) are arranged on the inner side of the panel (2), and the limiting strips (23) are arranged on two sides of the locking strip (17).

5. A novel AB key lock as claimed in claim 1, wherein: drive assembly includes drive strip (24), press block (25) and clamping screw (26), the one end of drive strip (24) is provided with bar hole (27), be provided with sliding tray (28) on handle (3), clamping screw (26) pass sliding tray (28) and bar hole (27), and with square bar (8) threaded connection, handle (3) are passed to the one end of pressing block (25), and the other end corresponds the setting with drive strip (24), the centre and handle (3) swing joint of drive strip (24).

6. A novel AB key lock as claimed in claim 1, wherein: a limit block (29) is arranged on the square rod (8), one end, far away from the sliding groove (11), of the connecting piece (10) is connected with the rotating shaft (7) in a sliding mode, a pushing groove (30) is formed in the rotating shaft (7), and the limit block (29) is arranged in the pushing groove (30).

7. A novel AB key lock as claimed in claim 2, wherein: inside and the outside of slider (9) all are provided with guide post (31), and guide post (31) one end and slider (9) inside slider (9) are connected, other end and first spring bolt (5) sliding connection, and guide post (31) one end and slider (9) swing joint outside slider (9), the other end and lock body (1) are connected.

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