CN105545104B - Mechanical lock without marble and vane - Google Patents

Abstract

A mechanical lock without marble and without vanes comprises a shell, a keyhole mechanism, a key, a hook mechanism and a lock cylinder mechanism, wherein the keyhole mechanism, the hook mechanism and the lock cylinder mechanism are arranged in the shell; the key is in a zigzag curve structure; the key hole mechanism is a hidden hole mechanism, and a baffle plate with holes matched with the curve shape of the key is arranged in the key hole mechanism; the lock core mechanism is a hole-free lock core structure, and a clamping piece is arranged in the lock core mechanism; the key passes through a baffle plate of the key hole mechanism through the matching of the key and the key hole mechanism, and then pushes the block mechanism to jack the clamping piece on the lock cylinder mechanism, and the lock cylinder is rotated to unlock. Has the advantages that: the lock core has simple structure, no marble and no blade, and the parts of the lock core are greatly reduced, so that the production and the processing are convenient, and the production and the processing cost are obviously reduced; the key hole structure has high concealment, strong technical unlocking prevention capability and simple and stable structure and is not easy to damage; the key and the lock core without holes are matched to unlock, remote unlocking can be realized through the design of the oblique block mechanism, and the difficulty of violently destroying the lock is increased.

Description

Pinless and bladeless mechanical lock

technical field

The invention belongs to the field of lock equipment, in particular to commonly used door locks, car locks and the like.

Background technique

The invention of the lock is to prevent theft, or cooperate with the door to play the role of space restriction and isolation. The technical development of locks has a long history and plays an important role in all aspects of life. Door locks, car locks, cabinet locks, etc. can be seen everywhere in various daily necessities.

With the development of lock technology, there are many types of locks, which can be divided into two types: mechanical locks and electronic locks. Commonly used mechanical locks include padlocks, spherical door locks, bicycle locks, electric car locks, motorcycle locks, etc. The principle All of them cooperate with the locking mechanism through the mechanical pin blade lock cylinder mechanism. Pinball blade lock cylinder, although its pin structure and keyhole are more and more complicated, but the keyhole of the lock cylinder is exposed, and it cannot escape technical unlocking, and it cannot achieve full meaning of anti-technical unlocking. Nowadays, the master key and technical lock unlocking are becoming more and more scary. Online lock unlocking teaching materials and videos are scary and security is worrying. Excessively increasing the difficulty of the lock cylinder will make the production of the lock more and more cumbersome, with more and more processes, and the cost of labor and materials will also increase.

Contents of the invention

The purpose of the present invention is to solve the problem that locks such as tumbler locks and leaf locks are easily broken by technical unlocking due to the exposed keyhole and lock cylinder. The invention provides a mechanical lock without pins and blades, without a lock core in a key hole, and without seeing the inner lock core.

In order to achieve the above object, the technical solution adopted in the present invention is to combine the curved keyhole baffle plate hidden in the rocker-shaped curved key and the single-hole keyhole structure, so that the thief who unlocks the lock cannot see the internal structure from the keyhole. The lock cylinder device in the lock body cannot be tested by a conventional master key or a pointed object, so as to achieve the purpose of anti-theft.

The pinless and bladeless mechanical lock of the present invention consists of five parts: a housing, a keyhole mechanism, a key, a block mechanism and a lock cylinder mechanism. The keyhole mechanism, the hammer mechanism and the lock cylinder mechanism are arranged and installed in the casing; the key is in a zigzag shape Curved structure; the key hole mechanism is a hidden hole mechanism, and a perforated blocking plate is installed inside to match the key curve shape; the lock cylinder mechanism is a non-hole lock cylinder structure, and there are clips inside; the key passes through the cooperation with the key hole mechanism. , after passing through the blocking plate of the keyhole mechanism, push the block mechanism to push away the clip on the lock cylinder mechanism, and rotate the lock cylinder to unlock.

There are only keyholes and lock cylinder knobs on the housing panel, and the structure of the lock cylinder cannot be seen from the keyhole.

The key hole mechanism is provided with an anti-theft structure protection column and a blocking plate structure, only a key matched with the key hole mechanism can be inserted into the key hole mechanism, and the key needs to be rotated around the protection column to touch the blocking plate structure, and Only keys that match the key slots on the baffle can pass through the baffle to access the block.

The key is provided with a key shaft, a key crank and a key blade matched with the key hole mechanism, the key crank drives the key blade to rotate around the key shaft, and finally the key blade passes through the key opening on the blocking plate, and the blade end is used to dial The moving block; the key blade is a curved structure, the shape of the key opening on the blocking plate is the same as that of the key blade, and the clearance fit is adopted. Only the key with the same curved structure and the blocking plate can pass through the blocking plate to block, and the curved structure can be varied. It cannot be copied at will to achieve a perfect pairing.

The lock cylinder mechanism is a lock cylinder structure without a keyhole, which controls the unlocking mechanism to unlock. The lock cylinder is only provided with a spring clip mechanism that blocks the rotation of the lock cylinder and is installed inside the lock housing. The structure is simple and the production is convenient. .

The above-mentioned block mechanism is a general structure of block and top block. The block is located on the key blade rotation track of the keyhole mechanism, and the top block is pushed against the clip of the lock cylinder mechanism, and the block is squeezed by the front end of the key blade. The inclined surface can axially push the top block to push off the clip on the lock cylinder mechanism, and the structure is simple and stable.

The beneficial effects of the present invention are: the structure of the lock cylinder is simple, without pins and blades, greatly reducing the parts of the lock cylinder, making the production and processing convenient, and significantly reducing the production and processing cost; The structure is simple and stable and not easy to be damaged; the key and the non-porous lock cylinder cooperate to unlock, and the design of the block mechanism can realize remote unlocking, which increases the difficulty of violently destroying the lock.

Description of drawings

Accompanying drawing 1 is the schematic diagram of panel structure of the present invention.

Accompanying drawing 2 is the schematic diagram of longitudinal section structure of the present invention.

Accompanying drawing 3 is the schematic diagram of A-A cross-sectional structure of the present invention.

Accompanying drawing 4 is the schematic diagram of B-B cross-sectional structure of the present invention.

In the accompanying drawings: housing 1, anti-drilling panel 11, key hole 12, shaft hole 121, lock cylinder hole 13, protective column 21, card slot 211, blocking plate 22, key port 221, key 3, key handle 31, key Shaft 32, key crank 33, key blade 34, key blade front end 341, groove frame 41, hole 411 of the key block, key block 42, one-way top block 43, lock cylinder 51, card hole 511, lock core 52, card Part hole groove 521, knob lever 522, unlocking mechanism 523, knob 53, clip 54, spring 55, key blade rotation track 6.

Detailed ways

Below in conjunction with accompanying drawing, the present invention is described in further detail:

The pinless and bladeless mechanical lock of the present invention is composed of five parts: a housing 1, a keyhole mechanism, a key 3, a block mechanism and a lock cylinder mechanism. The keyhole mechanism, the block mechanism and the lock cylinder mechanism are arranged and installed in the casing 1; The key 3 is a zigzag curved structure; the key hole mechanism is a hidden hole mechanism, and a perforated blocking plate 22 matching the curved shape of the key 3 is installed inside; the lock cylinder mechanism is a non-hole lock cylinder structure, and a clamp 54 is arranged inside; Key 3 passes through the blocking plate 22 of the keyhole mechanism by cooperating with the keyhole mechanism, promotes the snap piece 54 on the lock cylinder mechanism against the push block mechanism, and rotates the lock cylinder 52 to unlock.

The front of the housing 1 is an anti-drilling panel 11, and the anti-drilling panel 11 is provided with a key hole 12 and a lock cylinder hole 13 according to the left and right lateral positions. The key hole mechanism is fixedly arranged in the housing 1 at the position of the key hole 12, and the lock cylinder The mechanism is fixedly arranged in the housing 1 at the position of the lock cylinder hole 13, and the chisel mechanism is fixedly disposed in the housing 1 between the chisel mechanism and the lock cylinder mechanism.

The key hole 12 is provided horizontally.

The key hole mechanism includes a protection column 21, a blocking plate 22 and a key hole 12 on the housing 1; the key hole 12 is a narrow and long hole that allows the key 3 to be inserted, and an axis hole 121 is provided at one end; the protection column 21 is fixedly mounted on the In the housing 1, the axial direction is perpendicular to the plane of the key hole 12, and the end is facing the position of the shaft hole 121 of the key hole 12; ; A key port 221 is provided on the blocking plate 22 .

The distance between the end of the protection post 21 and the shaft hole 121 on the key hole 12 is greater than the width of the key crank 33 of the key 3 .

The key 3 has a zigzag crank structure as a whole, including a key handle 31, a key shaft 32, a key crank 33 and a key blade 34; the key handle 31 is connected to the key shaft 32, and the key shaft 32 is at right angles to the key crank 33. shape, the key crank 33 and the key blade 34 are at right angles; the key shaft 32 is in clearance fit with the shaft hole 121 on the key hole 12; the width of the key crank 33 is in clearance fit with the key hole 12; the key blade 34 is curved, The key mouth 221 clearance fit on the 22.

The maximum curvature of the curve on the key blade 34 exceeds the central axis.

Described chisel block mechanism comprises groove frame 41, chisel block 42 and one-way jacking block 43; Groove frame 41 is fixedly installed on the casing 1, and frame body is provided with chisel block shaft hole 411; 43 is fixedly connected and combined in the axial direction, the chisel block 42 is installed in the chisel block shaft hole 411 of the groove frame 41, and the side of the chisel block 42 close to the protection column 21 is an upward slope structure; the one-way top block 43 extends into the lock cylinder in the axial direction The clamping hole 511 of the barrel 51 abuts against the outer end of the clamping member 54 .

The lock cylinder mechanism includes a lock cylinder 51, a lock cylinder 52, a knob 53, a clip 54 and a spring 55; The axes of 13 are coincident, and the side wall of the cylinder body is provided with a card hole 511; the lock cylinder 52 is cylindrical, and is installed in the lock cylinder 51, and its front end is provided with a knob rod 522 to protrude from the lock cylinder hole 13, and a lock cylinder 52 is provided on its side. There is a clip hole 521, the rear end of which is provided with an unlocking mechanism 523; the knob 53 is fixedly installed on the knob rod 522; the clip 54 and the spring 55 are installed in the clip hole 521, the spring 55 is on the inside, and the clip 54 is on the inside. In addition, the outer end of the clip 54 is matched with the clip hole 511 .

The keyhole 12 and the blocking plate 22 form an angle of 90-145°.

The working principle of the pinless and bladeless mechanical lock of the present invention described above:

The principle of the lock cylinder mechanism: the lock cylinder 52 of the lock cylinder mechanism is provided with a clip hole 521, and the clip 54 protrudes from the clip hole 521 under the action of the spring 55, and is stuck in the clip hole 511 of the lock cylinder 51 In the process, the lock core 52 cannot be rotated, and the unlocking mechanism 523 provided at its rear end cannot be rotated to unlock.

The principle of key unlocking: Insert the key 3 from the key hole 12 into the key hole mechanism, the key crank 33 and the key blade 34 of the key 3 enter the housing 1, and the key shaft 32 of the key 3 fits into the shaft hole 121 of the key hole 12 , the end is blocked by the protective column 21 to stop entering. When the key handle 31 is turned, the key crank 33 and the key blade 34 rotate around the key shaft 32 in the shaft hole 121 of the key hole 12 . Now in the keyhole mechanism, the key crank 33 rotates around the axis at the end of the protection column 21, and the key blade 34 turns around the body of the protection column 21. When going around to the 90-145 ° position, the key blade 34 meets To the blocking plate 22, pass through the key opening 221 of the blocking plate 22, the front end 341 of the key blade is pressed against the end of the inclined plane of the chisel block 42 of the chisel block mechanism, and the chisel block 42 is pushed along the axis of the chisel block shaft hole 411 of the groove frame 41. Moving in the direction, the one-way top block 43 pushes the clamp 54 of the lock cylinder mechanism to withdraw from the clamp hole 511 of the lock cylinder 51 into the clamp hole 521 . Cooperate with the knob 53 of twisting the lock core mechanism, rotate the lock core 52, the unlocking mechanism 523 pushes the locking mechanism, and the lock is opened.

Locking principle: After the key 3 is taken out, twist the knob 53 of the lock cylinder mechanism in the opposite direction and turn the lock cylinder 52. When the clamp hole 521 coincides with the clamp hole 511 of the lock cylinder 51, the unlocking mechanism 523 on the lock cylinder 52 will Toggle the locking mechanism to lock, and the spring 55 in the clip hole 521 pushes the clip 54 out of the clip hole 521, and is stuck in the clip hole 511 of the lock cylinder 51, and the chisel block 42 is pushed back to its original position. Lock lock.

Anti-theft design: Looking in from the key hole 12 on the anti-drilling panel 11 of the housing 1, the protective column 21 in the key hole mechanism blocks the internal sight, and the blocking plate 22 structure in the lock housing cannot be seen. Skeleton key and common technology unlocking cannot pass through the blocking plate 22 structure in the key hole mechanism here, thus can't push the block 42 on the block mechanism to bump against the catch 54 on the lock cylinder mechanism, the lock cylinder 52 cannot rotate, The lock cannot be opened. Only when the key blade 34 of the present invention matches the key opening 221 of the blocking plate 22 can it pass through the blocking plate 22, and the curve is an irregular curved shape, uniquely matched.

Claims (7)

1. A pinless and bladeless mechanical lock, consisting of five parts: a housing (1), a keyhole mechanism, a key (3), a block mechanism and a lock cylinder mechanism, and the keyhole mechanism, the keyhole mechanism and the lock cylinder mechanism are set Installed in the housing (1), the feature is that the key (3) is a zigzag curved structure; the key hole mechanism is a hidden hole mechanism, and a blocking plate with a hole matching the key (3) curve shape is installed inside ( 22); the lock cylinder mechanism is a non-porous lock cylinder structure, and a clip (54) is arranged inside; the key (3) pushes the block mechanism after passing through the blocking plate (22) of the keyhole mechanism through cooperation with the keyhole mechanism Back up the clip (54) on the lock cylinder mechanism, and rotate the lock cylinder (52) to unlock; the front of the housing (1) is an anti-drilling panel (11), and the anti-drilling panel (11) is provided with a keyhole ( 12) and the lock cylinder hole (13), the keyhole mechanism is fixedly arranged in the housing (1) at the position of the keyhole (12), and the lock cylinder mechanism is fixedly arranged in the housing (1) at the position of the lock cylinder hole (13) , the chisel block mechanism is fixedly arranged in the housing (1) between the chisel block mechanism and the lock cylinder mechanism; the key hole mechanism includes the key hole ( 12); the key hole (12) is a narrow and long hole that allows the key (3) to be inserted, and one end is provided with a shaft hole (121); the protective post (21) is fixedly installed in the housing (1), and is axially aligned with the key The hole (12) is perpendicular to the plane, and the end is facing the shaft hole (121) of the key hole (12); the protective column (21) is provided with a card slot (211) along the axial direction, and the blocking plate (22) is fixedly installed in the card slot In (211), resistance plate (22) and keyhole (12) are 90-145 ° of angles; The resistance plate (22) is provided with keyhole (221). 2. The pinless and bladeless mechanical lock according to claim 1, characterized in that: the key hole (12) is opened horizontally. 3. The pinless and bladeless mechanical lock according to claim 1, characterized in that: the distance between the end of the protective post (21) and the shaft hole (121) on the key hole (12) is greater than that of the key (3) key crank(33) width. 4. The pinless and bladeless mechanical lock according to claim 1, characterized in that: the key (3) is in the shape of a zigzag crank as a whole, including a key handle (31), a key shaft (32), and a key crank (33) and the key blade (34) four-part structure; the key handle (31) is connected to the key shaft (32), the key shaft (32) and the key crank (33) are at right angles, and the key crank (33) and the key blade (34) are at right angles ; The key shaft (32) fits in clearance with the shaft hole (121) on the keyhole (12); the width of the key crank (33) fits in clearance with the keyhole (12); the key blade (34) is curved, and The key mouth (221) clearance fit on (22). 5. The pinless and bladeless mechanical lock according to claim 4, characterized in that: the maximum curvature of the curve on the key blade (34) exceeds the central axis. 6. The pinless and bladeless mechanical lock according to claim 1, characterized in that: the lock cylinder mechanism includes a lock cylinder (51), a lock cylinder (52), a knob (53), a clip (54) and a spring ( 55); the lock cylinder (51) is fixedly arranged in the housing (1), and its axis coincides with the axis of the lock cylinder hole (13) on the housing (1), and the side wall of the cylinder body offers a card hole (511 ); the lock cylinder (52) is cylindrical, cooperatingly installed in the lock cylinder (51), its front end is provided with a knob rod (522) protruding from the lock cylinder hole (13), and its side body is provided with a clip hole slot (521), its rear end is provided with unlocking mechanism (523); Knob (53) is fixedly installed on the knob bar (522); Clip (54) and spring (55) are installed in the clip hole (521), The spring (55) is on the inside, the clip (54) is on the outside, and the outer end of the clip (54) is matched with the clip hole (511). 7. The pinless and bladeless mechanical lock according to claim 1, characterized in that: the block mechanism includes a groove frame (41), a hole block (42) and a one-way top block (43); the groove frame (41) is fixed Installed on the housing (1), the frame body is provided with a chisel block shaft hole (411); the chisel block (42) and the one-way top block (43) are fixedly connected and combined in the axial direction, and the chisel block (42) is installed in the groove frame In the shaft hole (411) of the chisel block (41), the side of the chisel block (42) leaning on the protection column (21) is an upper slope structure; the one-way top block (43) extends into the lock cylinder (51) In the card hole (511), it is pushed against the outer end of the card member (54).