CN215369251U

CN215369251U - Double-control lock with variable key for bank safe deposit box

Info

Publication number: CN215369251U
Application number: CN202120604596.1U
Authority: CN
Inventors: 熊冬元; 熊冬权
Original assignee: Fuzhou Changjia Security & Technology Co ltd
Current assignee: Fuzhou Changjia Security & Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-31
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to the technical field of locks, and discloses a double-control lock of a variable-key bank safe deposit box, which solves the problems that the lock is easy to be damaged by a variable-key of the prior lock, the damaged lock can only be returned to a manufacturer for repair, the process is complicated, and the efficiency is low, and comprises a lock shell, wherein one end of the lock shell is connected with a cover plate, a lock tongue is connected inside the lock shell, one side of the lower end of the lock tongue is connected with a limiting piece, one end of the limiting piece is connected with a return spring, and one end of the lock tongue penetrates through the outside of the lock shell. High safety and stability.

Description

Double-control lock with variable key for bank safe deposit box

Technical Field

The utility model belongs to the technical field of locks, and particularly relates to a double-control lock for a variable-key bank safe deposit box.

Background

When different keys are required to be changed, the traditional double-control lock for the bank safe deposit box generally adopts an inner hexagonal wrench tool to unscrew a threaded transverse bolt fixing screw behind the lock in the lock opening state, then screws the transverse bolt fixing screw when the lock is adjusted to the threaded key required to be adjusted to the correct position, and then closes the lock to check and open flexibly; the lock adjusting personnel need to be trained for a long time to adjust the key, the lock can be easily adjusted to be damaged in the adjusting process, the lock is disassembled and replaced by another lock when the lock is damaged, the damaged lock can only be returned to a manufacturer for repair, the process is complex, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the double-control lock for the variable-key bank safe deposit box, and the problems that the lock is easy to be damaged by a current lock changing key, the damaged lock can only be returned to a manufacturer for repair, the process is complicated, and the efficiency is low are effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-control lock of a variable key bank safe deposit box comprises a lock shell, wherein one end of the lock shell is connected with a cover plate, a spring bolt is connected inside the lock shell, one side of the lower end of the spring bolt is connected with a limiting piece, one end of the limiting piece is connected with a return spring, one end of the spring bolt penetrates through and extends to the outside of the lock shell, two sides of the upper end of the cover plate are respectively connected with a main key boss and a guest key boss, the outer ends of the main key boss and the guest key boss are respectively sleeved with a main key lock cover and a guest key lock cover, the upper ends of the main key boss and the guest key boss are respectively connected with a main key guide lock cylinder and a guest key guide lock cylinder in a penetrating mode, a main key and a guest key are respectively inserted into the upper ends of the main key guide lock cylinder and the guest key guide lock cylinder, the lower ends of the main key guide lock cylinder and the guest key guide lock cylinder both penetrate through the spring bolt and abut against the lock shell, and an anti-insertion guest key blocking piece is connected between the upper parts of the main key guide lock cylinder and the guest key guide lock cylinder;

seven main key blades are uniformly sleeved on the lower portion of the main key guiding lock cylinder, one ends of the seven main key blades are connected with a main key blade shaft in a penetrating mode, one sides of the seven main key blades are correspondingly connected with seven rear tooth adjusting transverse bolts, the seven rear tooth adjusting transverse bolts are connected with the lock shell through rear transverse bolt tooth pattern guiding rods, the other sides of the seven main key blades are connected with seven main blade elastic pieces, and one ends, far away from the main key blades, of the seven main blade elastic pieces are abutted to the inner wall of the lock shell;

seven guest key blades are uniformly sleeved on the lower portion of the guest key guide lock cylinder, one ends of the seven guest key blades are connected with guest key blade shafts in a penetrating mode, one sides of the seven guest key blades are correspondingly connected with seven front tooth adjusting transverse bolts, the seven front tooth adjusting transverse bolts are connected with the lock shell through front transverse bolt tooth pattern guide rods, the other sides of the seven guest key blades are connected with seven guest blade elastic pieces, and one ends, far away from the guest key blades, of the seven guest blade elastic pieces abut against the inner wall of the lock shell.

Preferably, the cover plate, the main key boss and the guest key boss are of an integral structure, the upper ends of the main key boss and the guest key boss are respectively provided with a first through hole and a second through hole, the main key guide lock cylinder is positioned in the first through hole, and the guest key guide lock cylinder is positioned in the second through hole.

Preferably, a notch is formed in one side end of the lock shell, and the bolt penetrates through the notch.

Preferably, the lock tongue consists of a lock tongue plate and a lock tongue block, and the lock tongue plate is in contact with the inside of the lock shell.

Preferably, the cover plate is connected with the lock shell through screws, and threaded holes are formed in the lock shell corresponding to the screw connection positions.

Preferably, one end of the main key blade and one end of the guest key blade are respectively provided with a connecting groove which is convenient for the connection of the main blade elastic sheet and the guest blade elastic sheet.

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

the utility model adopts the technical scheme that any part of the lockset is not required to be moved, the variable guest key and the master key can be operated on the front side of the lockset, and the operation can be quickly mastered by a worker only by training slightly, so that the operation is convenient and quick, no error occurs, particularly, the key is not required to be recognized in advance in the production assembly and the engineering assembly of the lockset, only the key is adjusted finally after the lock is assembled, the production and working benefits are greatly improved, the safety performance is extremely high, and the stability is extremely high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of an installation structure of a key blocking sheet for preventing insertion of a guest according to the present invention;

FIG. 3 is a schematic view of the mounting structure of the cross-bolt tartar guide bar of the present invention;

FIG. 4 is a schematic view of the mounting structure of the rear cross bolt tooth guide bar of the present invention;

in the figure: 1. a lock case; 2. a cover plate; 3. a latch bolt; 4. a limiting sheet; 5. a return spring; 6. a main key boss; 7. a guest key boss; 8. a master key lock cover; 9. a guest key lock cover; 10. a master key guide cylinder; 1001. a master key blade; 1002. a main key blade shaft; 1003. a rear tooth adjusting transverse bolt; 1004. a rear transverse bolt tartar guide rod; 1005. a main blade leaf spring; 11. a guest key is guided to the lock core; 1101. a guest key blade; 1102. a guest key blade shaft; 1103. a front adjusting tooth cross bolt; 1104. a front transverse bolt tooth flower guide rod; 1105. a guest blade shell fragment; 12. a master key; 13. a guest key; 14. prevent inserting passenger key separation blade.

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.

In the first embodiment, as shown in fig. 1 to 4, the present invention includes a lock case 1, one end of the lock case 1 is connected with a cover plate 2, the inside of the lock case 1 is connected with a bolt 3, one side of the lower end of the bolt 3 is connected with a position-limiting piece 4, one end of the position-limiting piece 4 is connected with a return spring 5, one end of the bolt 3 extends to the outside of the lock case 1, two sides of the upper end of the cover plate 2 are respectively connected with a main key boss 6 and a guest key boss 7, the outer ends of the main key boss 6 and the guest key boss 7 are respectively sleeved with a main key lock cover 8 and a guest key lock cover 9, the upper ends of the main key boss 6 and the guest key boss 7 are respectively connected with a main key guiding lock cylinder 10 and a guest key guiding lock cylinder 11, the upper ends of the main key guiding lock cylinder 10 and the guest key guiding lock cylinder 11 are respectively inserted with a main key 12 and a guest key 13, the lower ends of the main key guiding lock cylinder 10 and the guest key guiding lock cylinder 11 both penetrate through the bolt 3 and the lock case 1, a guest-inserting-preventing key blocking sheet 14 is connected between the upper parts of the main key guiding lock cylinder 10 and the guest key guiding lock cylinder 11;

seven main key blades 1001 are uniformly sleeved on the lower portion of the main key guiding lock cylinder 10, one ends of the seven main key blades 1001 are connected with a main key blade shaft 1002 in a penetrating mode, one sides of the seven main key blades 1001 are correspondingly connected with seven rear tooth adjusting transverse bolts 1003, the seven rear tooth adjusting transverse bolts 1003 are connected with the lock shell 1 through rear transverse bolt tooth pattern guiding rods 1004, the other sides of the seven main key blades 1001 are connected with seven main blade elastic pieces 1005, and one ends, far away from the main key blades 1001, of the seven main blade elastic pieces 1005 are abutted to the inner wall of the lock shell 1;

seven guest key blades 1101 are uniformly sleeved on the lower portion of the guest key guiding lock cylinder 11, one ends of the seven guest key blades 1101 are connected with a guest key blade shaft 1102 in a penetrating mode, one sides of the seven guest key blades 1101 are correspondingly connected with seven front tooth adjusting transverse bolts 1103, the seven front tooth adjusting transverse bolts 1103 are connected with the lock shell 1 through front transverse bolt tooth flower guiding rods 1104, the other sides of the seven guest key blades 1101 are connected with seven guest blade elastic pieces 1105, and one ends, far away from the guest key blades 1101, of the seven guest blade elastic pieces 1105 are abutted to the inner wall of the lock shell 1.

In the second embodiment, based on the first embodiment, the cover plate 2, the main key boss 6 and the guest key boss 7 are integrated into a whole, the upper ends of the main key boss 6 and the guest key boss 7 are respectively provided with a first through hole and a second through hole, the main key guiding lock cylinder 10 is located in the first through hole, and the guest key guiding lock cylinder 11 is located in the second through hole.

In the third embodiment, on the basis of the first embodiment, a notch is formed in one side end of the lock case 1, and the bolt 3 penetrates through the notch.

In the fourth embodiment, on the basis of the first embodiment, the bolt 3 is composed of a bolt plate and a bolt block, and the bolt plate is in contact with the inside of the lock shell 1.

In the fifth embodiment, on the basis of the first embodiment, the cover plate 2 is connected with the lock shell 1 through screws, and threaded holes are formed in the lock shell 1 corresponding to the screw connection positions.

In the sixth embodiment, on the basis of the first embodiment, the main key blade 1001 and the guest key blade 1101 are respectively provided with a connecting groove at one end thereof for facilitating the connection between the main blade shell 1005 and the guest blade shell 1105.

The working principle is as follows: when a guest key 13 is changed, firstly, a main key 12 is inserted into a main key guide lock cylinder 10 and is opened by 90 degrees clockwise, meanwhile, a guest-insertion-preventing key blocking piece 14 is separated, then the guest key 13 is inserted into a guest key guide lock cylinder 11 and swings clockwise, a lock tongue 3 is opened to about 135 degrees to open a lock, the lock is in an open state, then the main key 12 is reset and is opened counterclockwise to 90 degrees to fixedly separate a limiting piece 4, then the guest key 13 is opened clockwise to 180 degrees and is pulled out of the guest key 13, at the moment, a front tooth adjusting transverse bolt 1103 is separated from a front transverse bolt tooth flower guide rod 1104 to be in a tooth-free state through the resetting action of the guest key blocking piece 1101, then guest keys 13 with different tooth patterns are inserted into a guest key guide lock cylinder 11 slot, at the moment, the main key 12 is reset and is opened clockwise to 90 degrees, then the guest key 13 swings counterclockwise, the lock tongue 3 is reset to 180 degrees and is pulled out of the limiting piece 4, the key is automatically returned under the action of a return spring 5, a front tooth adjusting transverse bolt 1103 generates corresponding tooth through the action of a passenger key blade 1101 and a front transverse bolt tooth guide rod 1104, at this time, the main key 12 is returned and pulled out, meanwhile, a passenger-insertion-preventing key blocking piece 14 is also automatically returned, and the key changing of the passenger key 13 is completed; when the master key 12 is changed, the master key 12 is first inserted into the master key guiding cylinder 10 and is clockwise opened by 90 degrees, meanwhile, the anti-insert guest key blocking piece 14 is separated, then the guest key 13 is inserted into the guest key guide lock core 11 and swings clockwise, the lock tongue 3 is opened to about 135 degrees to open the lock, the lock is in an open state, at this time, the master key 12 is reset anticlockwise and the master key 12 is pulled out, meanwhile, the rear cross bolt 1003 is separated from the rear cross bolt thread guide rod 1004 by the return action of the main key blade 1001 and is in a thread-free state, the main key 12 with different threads is inserted into the main key guide lock cylinder 10 and is clockwise opened to 90 degrees, at this time, the guest key 13 swings anticlockwise, the bolt 3 returns to close the lockset and pulls out the rear tooth adjusting cross bolt 1003, the master key 12 is changed by generating corresponding bits by the action of the master key blade 1001 and the rear lug guide 1004.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a variable key bank safe deposit box dual control lock, includes lock shell (1), its characterized in that: the novel lock is characterized in that one end of the lock shell (1) is connected with a cover plate (2), a bolt (3) is connected inside the lock shell (1), one side of the lower end of the bolt (3) is connected with a limiting piece (4), one end of the limiting piece (4) is connected with a return spring (5), one end of the bolt (3) penetrates through the lock shell (1) and extends to the outside, two sides of the upper end of the cover plate (2) are respectively connected with a main key boss (6) and a guest key boss (7), the outer ends of the main key boss (6) and the guest key boss (7) are respectively sleeved with a main key lock cover (8) and a guest key lock cover (9), the upper ends of the main key boss (6) and the guest key boss (7) are respectively penetrated through a main key guide lock cylinder (10) and a guest key guide lock cylinder (11), the upper ends of the main key guide lock cylinder (10) and the guest key guide lock cylinder (11) are respectively inserted with a main key (12) and a guest key (13), and the lower ends of the main key guide lock cylinder (10) and the guest key guide lock cylinder (11) all penetrate through the bolt (3) and the lock shell (3) The shell (1) is abutted, and a passenger key plugging prevention blocking piece (14) is connected between the upper part of the main key guiding lock cylinder (10) and the upper part of the passenger key guiding lock cylinder (11);

seven main key blades (1001) are uniformly sleeved on the lower portion of the main key guiding lock cylinder (10), one ends of the seven main key blades (1001) are connected with a main key blade shaft (1002) in a penetrating mode, one sides of the seven main key blades (1001) are correspondingly connected with seven rear tooth adjusting transverse bolts (1003), the seven rear tooth adjusting transverse bolts (1003) are connected with the lock shell (1) through rear transverse bolt tooth pattern guide rods (1004), the other sides of the seven main key blades (1001) are connected with seven main blade elastic sheets (1005), and one ends, far away from the main key blades (1001), of the seven main blade elastic sheets (1005) are abutted to the inner wall of the lock shell (1);

seven guest key blades (1101) are uniformly sleeved on the lower portion of the guest key guiding lock cylinder (11), one end of each of the seven guest key blades (1101) is connected with a guest key blade shaft (1102) in a penetrating mode, one side of each of the seven guest key blades (1101) is correspondingly connected with seven front tooth adjusting transverse bolts (1103), the seven front tooth adjusting transverse bolts (1103) are connected with the lock shell (1) through front transverse bolt tooth flower guide rods (1104), the other side of each of the seven guest key blades (1101) is connected with seven guest blade elastic sheets (1105), and one end, away from the guest key blade (1101), of each of the seven guest blade elastic sheets (1105) abuts against the inner wall of the lock shell (1).

2. The double-control lock of the variable key bank safe deposit box according to claim 1, characterized in that: the cover plate (2) is integrated with the main key boss (6) and the passenger key boss (7), a first through hole and a second through hole are formed in the upper ends of the main key boss (6) and the passenger key boss (7) respectively, the main key guide lock cylinder (10) is located in the first through hole, and the passenger key guide lock cylinder (11) is located in the second through hole.

3. The double-control lock of the variable key bank safe deposit box according to claim 1, characterized in that: a notch is formed in one side end of the lock shell (1), and the bolt (3) penetrates through the notch.

4. The double-control lock of the variable key bank safe deposit box according to claim 1, characterized in that: the lock tongue (3) is composed of a lock tongue plate and a lock tongue block, and the lock tongue plate is in contact with the inside of the lock shell (1).

5. The double-control lock of the variable key bank safe deposit box according to claim 1, characterized in that: the cover plate (2) is connected with the lock shell (1) through screws, and threaded holes are formed in the lock shell (1) corresponding to the screw connection positions.

6. The double-control lock of the variable key bank safe deposit box according to claim 1, characterized in that: one end of the main key blade (1001) and one end of the guest key blade (1101) are respectively provided with a connecting groove which is convenient for the connection of the main blade shrapnel (1005) and the guest blade shrapnel (1105).