CN213391586U

CN213391586U - Quick unlocking mechanism for anti-theft lock

Info

Publication number: CN213391586U
Application number: CN202021881931.4U
Authority: CN
Inventors: 杨秀生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-08
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a quick opening mechanism of an anti-theft lock, which comprises a shell, a circular arc gear ring, a transmission tooth piece, an inclined spring bolt transmission piece and a handle unlocking mechanism, wherein a circular guide rail is arranged on a lock cylinder hole of the shell, the circular arc gear ring is rotatablely arranged on the circular guide rail through a circular arc chute, the circular arc gear ring is rotatablely matched with a lock cylinder, and a shifting fork of the lock cylinder is matched with a pushing surface of the circular arc gear ring; the transmission toothed sheet is arranged on the shell, and a first transmission tooth and a second transmission tooth which are meshed with the arc gear ring are correspondingly arranged on the transmission toothed sheet; the inclined lock tongue driving piece is arranged on the shell and is provided with third driving teeth meshed with the second driving teeth; when the lock core pushes the arc gear ring to rotate, the arc gear ring drives the transmission tooth piece and the inclined lock tongue transmission piece to synchronously open the lock bolt and the inclined lock tongue. After adopting this structure, have simple structure reasonable, transmission efficiency is high, feel light, the speed of unblanking is fast, operational reliability and stability advantage such as good.

Description

Quick unlocking mechanism for anti-theft lock

Technical Field

The utility model relates to a theftproof tool to lock technical field, especially an opening mechanism of theftproof tool to lock.

Background

The unlocking mode of the anti-theft lock body in the current market mainly comprises lock core unlocking and handle unlocking, and the anti-theft lock body has the following defects in the using process: firstly, the compatibility of the existing anti-theft lock body and related matched products such as a handle, a lock cylinder and the like is poor, the existing anti-theft lock body and the related matched products cannot be universal, and great inconvenience is brought to maintenance and exchange. Secondly, the structure is complicated, transmission line is long, the loss is big, and transmission efficiency is low, and user operation feels heavy, experiences and feels poor, and if with the supporting consumption big when using of intelligence lock. Thirdly, most of the existing locks are opened in a step-by-step mode, firstly, the lock bolts in all directions are opened, and finally, the inclined lock bolts are opened, so that the unlocking time is long, and the unlocking speed is slow. Fourthly, when the lock bolt of some locks is blocked and does not extend out in place, the probability of not opening the locks exists, and the safety risk of using the locks is generated. Fifthly, the structure is complex, the number of transmission parts is large, the manufacturing cost is high, the accumulated error is large, the requirement on the matching precision is high, and the working stability is poor. Therefore, many manufacturers and scientific research departments develop and research, but no ideal product is available.

Disclosure of Invention

In order to overcome the above-mentioned problem that prior art exists, the utility model aims at providing a simple structure is reasonable, transmission efficiency is high, feel light, the speed of unblanking is fast, the cooperation required precision is low, operational reliability and the good swift opening mechanism of security lock of stability.

The utility model solves the technical problems and adopts the technical proposal that the lock comprises a shell, a circular arc gear ring, a transmission tooth piece, an oblique spring bolt transmission piece and a handle unlocking mechanism, wherein a circular guide rail matched with a lock core is arranged on a lock core hole of the shell, a circular arc chute in sliding fit with the circular guide rail is arranged on the circular arc gear ring, the circular arc gear ring is rotatably arranged on the circular guide rail through the circular arc chute, the circular arc gear ring is in running fit with the lock core, and a shifting fork of the lock core is matched with a pushing surface of the circular arc gear ring; the transmission toothed sheet is rotatably arranged on the shell, and a first transmission tooth and a second transmission tooth which are meshed with the arc gear ring are correspondingly arranged on the transmission toothed sheet; the inclined lock tongue driving piece is rotatably arranged on the shell and is provided with third driving teeth meshed with the second driving teeth; when the lock core pushes the arc gear ring to rotate, the arc gear ring drives the transmission tooth piece and the inclined lock tongue transmission piece to synchronously open the lock bolt and the inclined lock tongue through gear meshing.

The utility model discloses a further scheme, the driving cog piece on be equipped with the set bar that promotes the set bar and open and promote the terminal surface.

The utility model discloses a further scheme, handle unlocking mechanism includes rotatable setting dial axle, torsional spring, the fixed column of fixing on the casing of setting up, dial epaxial be fixed with the spacing piece of fixed column complex, be equipped with the torsional spring couple on the spacing piece, the spring bolt driving piece corresponds the cover to one side and establishes at dial epaxially, dial epaxial spacing portion of square arc that is equipped with, correspond on the centre bore of spring bolt driving piece to one side be equipped with four spacing bosss of spacing portion matched with of square arc, torsional spring one end is connected on the torsional spring couple, the other end location is on the fixed column.

The utility model discloses a further scheme, oblique spring bolt driving plate on be equipped with and open oblique spring bolt promotion terminal surface and with the spacing terminal surface of fixed column complex of oblique spring bolt in step with the set bar.

The utility model discloses a further scheme, the turning radius of first driving tooth is greater than the turning radius of second driving tooth.

After adopting above-mentioned structure, compared with prior art have following advantage and effect: firstly, promoted by a wide margin with lock core, handle complex compatibility, allowed tolerance reaches more than 1mm, can match various brand lock cores and handles on the market. And secondly, the transmission efficiency of the action mechanism is high, the required opening force is small, the power consumption is low when the action mechanism is matched with an intelligent lock, and the user operation experience is good. Thirdly, the lock can be unlocked no matter the lock bolt of the lock is at any position in the locking stroke, and the safety of the lock is ensured to the maximum extent. Fourthly, simple structure, accessory quantity is few, can not only reduce raw and other materials quantity cost and production technology cost, but also can reduce the error accumulation, improves the stability of product work, further promotes the product property ability.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is a schematic view of the fitting structure in the closed state of the present invention.

Fig. 3 is a schematic view of the matching structure of the present invention in the unlocked state.

Wherein 1 casing, 2 circular arc ring gears, 3 transmission tooth plates, 4 oblique spring bolt transmission piece, 5 group's axle, 6 torsional springs, 11 lock core holes, 12 circular guide rails, 13 rotation axis holes, 14 group's axle hole, 15 fixed columns, 21 pushing surfaces, 22 circular arc spouts, 31 rotation axis, 32 first transmission tooth, 33 second transmission tooth, 34 set bar promotion terminal surface, 41 third transmission tooth, 42 spacing boss, 43 oblique spring bolt promotion terminal surface, 44 spacing terminal surfaces, 51 spacing piece, 52 torsional spring couple, 53 spacing face.

Detailed Description

Fig. 1 to 3 show that, for the specific embodiment of the quick opening mechanism of the anti-theft lock of the present invention, it includes a casing 1, a circular arc gear ring 2, a transmission tooth piece 3, an oblique bolt transmission piece 4, a handle unlocking mechanism, a circular guide rail 12 matched with the lock core is arranged on the lock core hole 11 of the casing 1, a circular arc chute 22 matched with the circular guide rail 12 in a sliding manner is arranged on the circular arc gear ring 2, the circular arc gear ring 2 is rotatably arranged on the circular guide rail 12 through the circular arc chute 22, the circular arc gear ring 2 is matched with the lock core in a rotating manner, and a shifting fork of the lock core is matched with a pushing surface 21 of the circular arc; the transmission toothed plate 3 is rotatably arranged on the rotating shaft hole 13 of the shell 1 through a rotating shaft 31, and the transmission toothed plate 3 is correspondingly provided with a first transmission tooth 32 and a second transmission tooth 33 which are meshed with the circular-arc gear ring 2; the oblique bolt driving piece 4 is rotatably arranged on the shaft shifting hole 14 of the shell 1, and a third driving tooth 41 meshed with the second driving tooth 33 is arranged on the oblique bolt driving piece 4; when the lock core pushes the circular-arc gear ring 2 to rotate, the circular-arc gear ring 2 drives the transmission tooth piece 3 and the inclined lock tongue transmission piece 4 to synchronously open the lock bolt and the inclined lock tongue through gear meshing.

In order to facilitate the opening or closing of the lock bolt in all directions, the driving tooth piece 3 is provided with a lock bolt pushing end surface 34 for pushing the lock bolt mechanism to open.

In order to facilitate the unlocking of the handle, the handle unlocking mechanism comprises a shifting shaft 5, a torsion spring 6 and a fixing column 15, wherein the shifting shaft 5 and the torsion spring 6 are rotatably arranged on a shifting shaft hole 14 of the shell 1, the fixing column 15 is fixed on the shell 1, a limiting piece 51 matched with the fixing column 15 is fixed on the shifting shaft 5, a torsion spring hook 52 is arranged on the limiting piece 51, an inclined bolt transmission piece 4 and the torsion spring 6 are correspondingly sleeved on the shifting shaft 5, a square arc limiting part 53 is arranged on the shifting shaft 5, four limiting bosses 42 matched with the square arc limiting part 53 are correspondingly arranged on a central hole of the inclined bolt transmission piece 4, one end of the torsion spring 6 is connected to the torsion spring hook.

In order to open the inclined lock tongue, the inclined lock tongue driving piece 4 is provided with an inclined lock tongue pushing end surface 43 for opening the inclined lock tongue synchronously with the lock bolt and a limiting end surface 44 matched with the fixed column 15.

In order to ensure flexible and light transmission, the rotation radius of the first transmission tooth 32 is larger than that of the second transmission tooth 33.

The working process of the utility model is as follows: when the lock core is used for opening in a closed state shown in the figure 2, the lock core is rotated and the circular-arc gear ring 2 is pushed to rotate along the circular guide rail 12, the circular-arc gear ring 2 drives the transmission tooth piece 3 to rotate through gear meshing, the transmission tooth piece 3 drives the inclined lock tongue transmission piece 4 to rotate through gear meshing, the lock bolt pushing end face 34 of the transmission tooth piece 3 pushes the lock bolt mechanism to open lock bolts in all directions, and the inclined lock bolt pushing end face 43 of the inclined lock tongue transmission piece 4 synchronously pushes to open inclined lock bolts; because four limiting bosses 42 matched with the square arc limiting part 53 on the shifting shaft 5 are correspondingly arranged on the central hole of the inclined bolt transmission piece 4, when the inclined bolt transmission piece 4 rotates, the square arc limiting part 53 idles relative to the arc surface between the adjacent limiting bosses 42 of the central hole, so that the shifting shaft 5 does not rotate, as shown in fig. 3. The latch closing principle is opposite to the opening and will not be repeated here.

When the handle in the closed state shown in fig. 2 is opened by using the handle, the handle drives the dial shaft 5 to rotate, the corner of the square arc limiting part 53 of the dial shaft 5 pushes the limiting boss 42 of the inclined bolt driving piece 4, the inclined bolt driving piece 4 rotates along with the dial shaft 5, meanwhile, the inclined bolt driving piece 4 drives the driving tooth piece 3 to rotate through gear engagement, the driving tooth piece 3 drives the arc gear ring 2 to rotate on the circular guide rail 12 through gear engagement, the inclined bolt pushing end surface 43 of the inclined bolt driving piece 4 pushes the opened inclined bolt, and the bolt pushing end surface 34 of the driving tooth piece 3 synchronously pushes the bolt mechanism to open the bolts in all directions; when the handle is loosened, the poking shaft 5 automatically resets under the action of the elasticity of the torsion spring 6.

The above description is only the specific embodiment of the present invention, and is not intended to limit the present invention in any form, and the present invention does not depart from the technical solution of the present invention, and the made simple modification, equivalent change or modification all fall into the protection scope of the present invention.

Claims

1. A quick opening mechanism of an anti-theft lock is characterized in that: the lock comprises a shell (1), an arc gear ring (2), a transmission tooth piece (3), an inclined bolt transmission piece (4) and a handle unlocking mechanism, wherein a circular guide rail (12) matched with a lock cylinder is arranged on a lock cylinder hole (11) of the shell (1), an arc sliding groove (22) in sliding fit with the circular guide rail (12) is arranged on the arc gear ring (2), the arc gear ring (2) is rotatably arranged on the circular guide rail (12) through the arc sliding groove (22), the arc gear ring (2) is in rotating fit with the lock cylinder, and a shifting fork of the lock cylinder is matched with a pushing surface (21) of the arc gear ring (2); the transmission tooth piece (3) is rotatably arranged on the shell (1), and the transmission tooth piece (3) is correspondingly provided with a first transmission tooth (32) and a second transmission tooth (33) which are meshed with the arc gear ring (2); the inclined bolt driving piece (4) is rotatably arranged on the shell (1), and a third driving tooth (41) meshed with the second driving tooth (33) is arranged on the inclined bolt driving piece (4); when the lock cylinder pushes the arc gear ring (2) to rotate, the arc gear ring (2) drives the transmission tooth piece (3) and the inclined bolt transmission piece (4) to synchronously open the lock bolt and the inclined bolt through gear meshing.

2. The quick release mechanism of an anti-theft lock according to claim 1, characterized in that: and a lock bolt pushing end surface (34) for pushing the lock bolt mechanism to open is arranged on the transmission toothed sheet (3).

3. The quick opening mechanism of an anti-theft lock according to claim 1 or 2, characterized in that: handle unlocking mechanism includes rotatable setting dial axle (5) on casing (1), torsional spring (6), fix fixed column (15) on casing (1), dial and be fixed with spacing piece (51) with fixed column (15) complex on axle (5), be equipped with torsional spring couple (52) on spacing piece (51), oblique spring bolt driving plate (4) and torsional spring (6) correspond the cover and establish on dialling axle (5), dial and be equipped with spacing portion of square circular arc (53) on axle (5), correspond on the centre bore of oblique spring bolt driving plate (4) and be equipped with four spacing boss (42) with spacing portion of square circular arc (53) matched with, torsional spring (6) one end is connected on torsional spring couple (52), the other end location is on fixed column (15).

4. The quick release mechanism of an anti-theft lock according to claim 3, characterized in that: and an inclined bolt pushing end surface (43) for synchronously opening the inclined bolt with the lock bolt and a limiting end surface (44) matched with the fixing column (15) are arranged on the inclined bolt transmission sheet (4).

5. The quick opening mechanism of an anti-theft lock as claimed in claim 1, characterized in that: the radius of rotation of the first transmission tooth (32) is greater than the radius of rotation of the second transmission tooth (33).