CN216341501U

CN216341501U - Blade cylinder lock

Info

Publication number: CN216341501U
Application number: CN202122998603.3U
Authority: CN
Inventors: 罗文玲
Original assignee: Zhejiang Baodean Lock Industry Co Ltd
Current assignee: Zhejiang Baodean Lock Industry Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-19
Anticipated expiration: 2031-11-26

Abstract

The utility model belongs to the technical field of locks, in particular to a blade spring lock which comprises a lock with a lock core hole and a lock core, wherein the lock core is provided with a key hole, the lock core is provided with a spring hole and a blade hole, each spring hole is internally provided with a spring in a sliding connection manner, the lock is provided with a mounting hole, a flat-head spring column and a spring are arranged in the mounting hole, the lock core is provided with an insert groove internally provided with an insert, the inner end of the insert is connected with the bottom surface of the insert groove through a return spring, the outer end of the insert is pushed out of the insert groove under the elastic force of the return spring and is positioned in a locking groove arranged on the inner wall of the lock core hole, each blade hole is internally provided with a blade in a sliding connection manner, the inner side surface of the blade is provided with a traction column, and the outer side surface of the blade is provided with a containing through groove. The utility model has reasonable and ingenious design, and the marble and the blade are combined and applied to form a double-locking structure, and the marble and the blade need to be unlocked simultaneously, thereby greatly improving the difficulty of technical unlocking and effectively improving the anti-theft property of the lock.

Description

Blade cylinder lock

The technical field is as follows:

the utility model belongs to the technical field of locks, in particular to a blade spring lock.

Background art:

at present, a plurality of groups of marbles are arranged in a lock head shell and a lock core of a common spring lock head, a thief can open the lock easily through technical unlocking tools such as an elastic hook, namely, when the thief unlocks technically, a plug of the unlocking tool is inserted into a key hole in the lock core, and each marble is pushed upwards by the aid of the elastic hook to realize unlocking. Therefore, the simple cylinder lock head structure has unsatisfactory anti-theft performance.

The utility model content is as follows:

the utility model aims to provide a blade spring lock head, which is added with a blade structure on the basis of the traditional spring lock head, thereby effectively increasing the difficulty of technical unlocking and improving the anti-theft property of the lock head.

The utility model is realized by the following steps:

a blade spring lock head comprises a lock head with a lock core hole and a lock core rotatably connected in the lock core hole, wherein the lock core is provided with a key hole, the lock core is provided with a plurality of spring holes and blade holes, the spring holes and the blade holes are vertical to the axis of the key hole, each spring hole is internally connected with a spring with the inner end capable of extending into the key hole in a sliding way, the lock head is provided with mounting holes one by one corresponding to the spring holes, flat-head spring columns and spring springs are arranged in the mounting holes, the elastic force of the spring springs pushes the flat-head spring columns to abut against the outer end surfaces of the springs, the lock core is internally provided with insert slots which are internally provided with insert pieces and communicated with the side walls of each blade hole, the inner ends of the insert pieces are connected with the bottom surfaces of the insert slots through reset springs, the outer ends of the insert pieces are pushed out of the insert slots under the elastic force of the reset springs and are positioned in locking slots formed in the inner wall of the lock core hole, the blade is connected in each blade hole in a sliding mode, the traction column located in the key hole is arranged on the inner side face of each blade, the containing through groove is formed in the outer side face of each blade, when the key is inserted into the key hole and the lock cylinder is rotated, the outer end face of the marble is flush with the outer port of the marble hole, the inner end of the inserting piece is inserted into the containing through groove, and the outer end of the inserting piece is flush with the notch of the inserting piece groove.

In the blade spring lock head, the cross section of the key hole is of a rectangular structure, the spring hole is arranged on one side of the key hole, the blade hole and the insert groove are arranged on the other side of the key hole, the blade hole is arranged along the width direction of the key hole, and the insert groove is arranged along the length direction of the key hole.

In the blade cylinder lock head, two rows of the cylinder holes are distributed in parallel.

In the blade pin tumbler lock head, the middle part of the inserting piece groove extends inwards to form an inserting part, and two return springs are arranged and are respectively connected to the left side part and the right side part of the inserting piece.

In the blade spring lock head, the outer end port of the mounting hole is riveted with a steel ball, and the spring is arranged between the steel ball and the flat-head spring column.

Compared with the prior art, the utility model has the outstanding advantages that:

the utility model has reasonable and ingenious design, and the marble and the blade are combined and applied to form a double-locking structure, and the marble and the blade need to be unlocked simultaneously, thereby greatly improving the difficulty of technical unlocking and effectively improving the anti-theft property of the lock.

Description of the drawings:

FIG. 1 is a cross-sectional view of the lock cylinder of the present invention in a locked state;

FIG. 2 is a longitudinal cross-sectional view of the locking head of the present invention in a locked state;

FIG. 3 is a cross-sectional view of the key of the present invention inserted into and rotating the lock cylinder;

FIG. 4 is a longitudinal cross-sectional view of the key of the present invention inserted into a non-rotating cylinder;

FIG. 5 is a bottom view of the lock cylinder of the present invention;

FIG. 6 is a top view of the lock cylinder of the present invention;

FIG. 7 is a longitudinal cross-section of the lock cylinder of the present invention;

FIG. 8 is a cross-section of the lock cylinder of the present invention;

fig. 9 is a perspective view of a key adapted to the lock cylinder of the present invention.

In the figure: 1. a lock head; 2. a lock cylinder hole; 3. a lock cylinder; 4. a key hole; 5. a bullet hole; 6. a blade hole; 7. marbles; 8. mounting holes; 9. a flat-headed bullet column; 10. a spring; 11. inserting sheets; 12. a sheet inserting groove; 13. a return spring; 14. a locking groove; 15. a blade; 16. a traction column; 17. accommodating through grooves; 18. a plug-in part; 19. steel balls; 20. a key; 21. a marble groove; 22. a traction chute.

The specific implementation mode is as follows:

the utility model will now be further described by way of specific examples, with reference to figures 1 to 9:

a blade pin tumbler lock head comprises a lock head 1 with a lock cylinder hole 2 and a lock cylinder 3 rotatably connected in the lock cylinder hole 2, wherein a key hole 4 is formed in the lock cylinder 3, a plurality of pin holes 5 and blade holes 6 are formed in the lock cylinder 3, the pin holes 5 and the blade holes 6 are perpendicular to the axis of the key hole 4, pins 7 with inner ends capable of extending into the key holes 4 are slidably connected in each pin hole 5, mounting holes 8 which are opposite to the pin holes 5 one by one are formed in the lock head 1, flat-headed pins 9 and pin springs 10 are arranged in the mounting holes 8, the flat-headed pins 9 are pushed by the elastic force of the pin springs 10 to abut against the outer end surfaces of the pins 7, an insert groove 12 which is internally provided with an insert 11 and communicated with the side wall of each blade hole 6 is formed in the lock head 3, the inner ends of the insert 11 are connected with the bottom surface of the insert groove 12 through a return spring 13, and the outer ends of the insert 11 are pushed out of the insert groove 12 under the elastic force of the return spring 13 and positioned on the inner wall of the lock cylinder hole 2, and locked by the insert groove 12 In the groove 14, each blade hole 6 is connected with a blade 15 in a sliding way, the inner side surface of each blade 15 is provided with a traction column 16 positioned in the key hole 4, and the outer side surface is provided with an accommodating through groove 17;

the key 20 paired with the present design should have a pin groove 21 adapted to the pin 7 and a pulling sliding groove 22 adapted to the pulling post 16, that is, when the key 20 is inserted into the key hole 4, the inner end of the pin 7 will be inserted into the corresponding pin groove 21, so that the outer end surface of the pin 7 is flush with the outer end opening of the pin hole 5, and the pulling post 16 will drive the blade 15 to axially slide in the blade hole 6 along the pulling sliding rail, so that the accommodating through groove 17 on the blade 15 corresponds to the inner end position of the plug-in piece 11, that is, when the key 20 is inserted into the key hole 4 and the lock cylinder 3 is rotated, the outer end of the plug-in piece 11 will overcome the elastic force of the return spring 13 and disengage from the locking groove 14, and the inner end of the plug-in piece 11 will be correspondingly inserted into the accommodating through groove 17. Therefore, when the key 20 is inserted into the key hole 4 and the lock cylinder 3 is rotated, the outer end surface of the marble 7 is flush with the outer port of the marble hole 5, the inner end of the insert 11 is inserted into the accommodating through groove 17, and the outer end of the insert is flush with the notch of the insert groove 12.

The utility model has reasonable and ingenious design, and the marble 7 and the blade 15 are combined and applied to form a double-locking structure, and the marble 7 and the blade 15 need to be unlocked simultaneously, thereby greatly improving the difficulty of technical unlocking and effectively improving the anti-theft property of the lock head 1.

Furthermore, in the present embodiment, the cross section of the key hole 4 is rectangular, the cross section of the corresponding key 20 is also rectangular, the bullet hole 5 is disposed on one side of the key hole 4, the blade hole 6 and the blade slot 12 are disposed on the other side of the key hole 4, the blade hole 6 is disposed along the width direction of the key hole 4, and the blade slot 12 is disposed along the length direction of the key hole 4.

Meanwhile, in order to further improve the theft prevention performance of the lock head 1, two rows of the bullet holes 5 are distributed in parallel.

In order to improve the stability of the movement of the inserting sheet 11 inside and outside the inserting sheet groove 12, an inserting portion 18 is formed in the middle of the inserting sheet groove 12 and extends inwards, and two return springs 13 are arranged and connected to the left side portion and the right side portion of the inserting sheet 11 respectively.

Furthermore, the specific structure of the flat-head bullet column 9 and the bullet spring 10 which are arranged in the mounting hole 8 is as follows: the outer end port department riveting of mounting hole 8 is fixed with steel ball 19, marble spring 10 sets up between steel ball 19 and flat-head bullet post 9.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a blade cylinder lock head, includes tapered end (1) that has lock core hole (2) and lock core (3) of rotation connection in lock core hole (2), has seted up key hole (4) on lock core (3), its characterized in that: the lock is characterized in that the lock cylinder (3) is provided with a plurality of ball holes (5) and blade holes (6), the ball holes (5) and the blade holes (6) are perpendicular to the axis of the key hole (4), balls (7) with inner ends capable of extending into the key hole (4) are connected in each ball hole (5) in a sliding mode, the lock head (1) is provided with mounting holes (8) one-to-one corresponding to the ball holes (5), flat-head ball columns (9) and ball springs (10) are arranged in the mounting holes (8), the elastic force of the ball springs (10) pushes the flat-head ball columns (9) to abut against the outer end faces of the balls (7), insert pieces (11) and insert piece grooves (12) communicated with the side walls of each blade hole (6) are arranged in the lock cylinder (3), the inner ends of the insert pieces (11) are connected with the insert piece bottom grooves (12) through reset springs (13), and the outer ends of the insert pieces (11) are pushed out by insert piece grooves (12) and are arranged in the lock cylinder holes (2) under the elastic force of the reset springs (13) ) In locking groove (14) on the inner wall, equal sliding connection has blade (15) in each blade hole (6), the medial surface of blade (15) is equipped with and is located traction column (16) in key hole (4), holding logical groove (17) have been seted up to the lateral surface, when key (20) inserted key hole (4) and rotatory lock core (3), the outer terminal surface of pellet shot from a slingshot (7) flushed with bullet hole (5) outer port, the inner of inserted sheet (11) inserts in holding logical groove (17) and its outer end flushes with inserted sheet groove (12) notch.

2. The blade ball lock cylinder of claim 1, wherein: the cross section of the key hole (4) is of a rectangular structure, the bullet hole (5) is arranged on one side of the key hole (4), the blade hole (6) and the insert groove (12) are arranged on the other side of the key hole (4), the blade hole (6) is arranged along the width direction of the key hole (4), and the insert groove (12) is arranged along the length direction of the key hole (4).

3. The blade ball lock cylinder of claim 2, wherein: the bullet holes (5) are distributed in two rows side by side.

4. The blade ball lock cylinder of claim 1, wherein: the middle part of the inserting piece groove (12) extends inwards to form an inserting part (18), and two return springs (13) are arranged and are respectively connected to the left side part and the right side part of the inserting piece (11).

5. A blade cylinder lock according to claim 1 or 4, characterized in that: the outer end port department riveting of mounting hole (8) is fixed with steel ball (19), marble spring (10) set up between steel ball (19) and flat head bullet post (9).