CN210217381U

CN210217381U - Password U type lock

Info

Publication number: CN210217381U
Application number: CN201920614798.7U
Authority: CN
Inventors: xuri He; 何旭日; Quan Song; 宋全
Original assignee: CIXI XURI LOCKS Co Ltd
Current assignee: CIXI XURI LOCKS Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-31
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a coded lock technical field, in particular to a coded U-shaped lock, which comprises a lock head and a U-shaped lock ring matched and connected with the lock head, wherein the lock head comprises an outer shell, an inner shell, a plastic inner core, a lock gate, a rotating connecting rod, a male row, a coded wheel, a push switch and a rotating part assembly, the inner shell is arranged on the inner wall of the outer shell and is matched and connected with the outer wall of the plastic inner core, the rotating connecting rod and the coded wheel are coaxially arranged in the plastic inner core, one end of the male row is matched and connected with the coded wheel shaft, the other end is matched and connected with the rotating connecting rod, the male row is matched and connected with the push switch in a clamping way, the upper end of the male row is matched and connected with the lock gate in a shaft, the utility model has reasonable structural design, the lock gate is matched and the male row acts in the same direction when the code is correct, the safety coefficient of the coded lock is further improved, and the coded lock is convenient to assemble and high in practicability.

Description

Password U type lock

Technical Field

The utility model relates to a trick lock technical field especially relates to a password U type lock.

Background

In the password device of the U-shaped password lock in the prior art, the adjusting circular ring of the password wheel is matched with the clamping protrusion of the connecting sheet to limit the change of the position of the connecting sheet or remove the movement of the locking block to realize the anti-theft function of the lock, the password wheel is rotationally positioned by the locking plate fixed on the outer side, the password wheel is designed to be circular, and small grooves matched with the spring plates are uniformly distributed on the circumference of the circular shape. However, the locking plate, the connecting sheet and the like in the coded lock have complicated shapes and poor matching precision, the lock has poor use hand feeling and low safety coefficient, and the practicability of the coded U-shaped lock is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses complicated, the inconvenient shortcoming of assembly of password U type lock structure among the prior art provides a simple structure, convenient assembling, factor of safety height, the password U type lock that the practicality is strong.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a coded U-shaped lock comprises a lock head and a U-shaped lock ring which is connected with the lock head in a matching mode, wherein the lock head comprises an outer shell, an inner shell, a plastic inner core, a lock brake, a rotating connecting rod, a male bar, a coded wheel, a push switch and a rotating part assembly, the inner shell is arranged on the inner wall of the outer shell and is connected with the outer wall of the plastic inner core in a matching mode, the rotating connecting rod and the coded wheel are coaxially arranged in the plastic inner core, one end of the male bar is connected with the coded wheel in a shaft coupling mode, the other end of the male bar is connected with the rotating connecting rod in a matching mode, the male bar is connected with the push switch in a matching mode in a clamping mode, the upper end of the male bar is connected with the lock brake in a matching mode, a first return spring is further sleeved at the connecting end of the male bar and inside the coded wheel, the lock brake is arranged at, the plastic core is characterized in that a compression cavity is further arranged in the plastic core, a pressure spring and a reset plug which is connected with the upper end of the pressure spring in a matched mode are arranged in the compression cavity, limiting blocks are fixedly connected to two sides of the reset plug, a sliding groove which is connected with the limiting blocks in a matched mode is formed in the cavity wall of the compression cavity, and the upper end of the reset plug is connected with a U-shaped locking ring in a matched and abutted mode.

Preferably, the method comprises the following steps: the rotating part assembly includes the apron with plastics inner core tip cooperation joint, with the rotatory lid of apron cooperation connection, pass the screw of rotatory lid, apron and rotatory connecting rod one end in proper order and with the dress trim cover that the cooperation of the rotatory lid outside is connected, the rotatory inner wall of covering still is equipped with the boss of being connected with the cooperation of plastics inner core, the equipartition has the location pit on the boss, be equipped with on the outer wall of apron and correspond the location bump that sets up with the location pit.

Preferably, the method comprises the following steps: the push switch comprises a push plate, an upper clamping plate and a lower clamping plate which is vertically and correspondingly arranged with the upper clamping plate, the upper clamping plate and the lower clamping plate are fixedly connected with the push plate in a matched mode, and an assembly cavity which is connected with the male bar in a matched mode is formed between the upper clamping plate and the lower clamping plate.

Preferably, the method comprises the following steps: the lock brake comprises a flashboard, a mounting hole, a first positioning hole, a second positioning hole and a connecting shaft hole, wherein the mounting hole, the first positioning hole, the second positioning hole and the connecting shaft hole are formed in the flashboard, one end of the U-shaped locking ring is connected with the mounting hole in a matched mode, the other end of the U-shaped locking ring is connected with the first positioning hole in a matched mode, the male bar is connected with the connecting shaft hole in a matched mode, the front end of the second return spring abuts against a protruding block arranged on the plastic inner core, and the rear end of the second.

The utility model discloses beneficial effect: the utility model has the advantages of reasonable design, through action push switch, promote the male action of arranging, the lock brake cooperation male row syntropy action when the password is correct, U type catch and lock brake cooperation unblock, the password mistake then push switch and lock brake can not move, have further improved the factor of safety height of trick lock, convenient assembling, practicality are strong moreover.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Fig. 3 is a schematic view of the lock and brake structure of the present invention.

Fig. 4 is a schematic view of the structure of the rotary cover of the present invention.

Fig. 5 is a schematic view of the cover plate structure of the present invention.

Fig. 6 is a schematic diagram of the push switch of the present invention.

Reference numerals: 1. a lock head; 2. a U-shaped lock ring; 10. a housing; 11. an inner shell; 12. a plastic inner core; 13. locking a brake; 14. rotating the connecting rod; 15. arranging male parts; 16. a password wheel; 17. a push switch; 18. a rotating part assembly; 120. a compression chamber; 121. a pressure spring; 122. a reset plug; 123. a limiting block; 130. a second return spring; 131. a shutter plate; 132. mounting holes; 133. a first positioning hole; 134. a second positioning hole; 135. connecting the shaft hole; 150. a first return spring; 151. an inner slot; 170. pushing the plate; 171. an upper clamping plate; 172. a lower clamping plate; 180. a cover plate; 181. positioning the salient points; 182. a rotating cover; 183. a screw; 184. a decorative cover; 185. a boss; 186. and (5) positioning the concave points.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 6, a coded U-shaped lock comprises a lock head 1 and a U-shaped lock ring 2 cooperatively connected with the lock head 1, wherein the lock head 1 comprises an outer shell 10, an inner shell 11, a plastic inner core 12, a lock gate 13, a rotary connecting rod 14, a male bar 15, a code wheel 16, a push switch 17 and a rotary part assembly 18, the inner shell 11 is arranged on the inner wall of the outer shell 10 and cooperatively connected with the outer wall of the plastic inner core 12, the rotary connecting rod 14 and the code wheel 16 are coaxially arranged in the plastic inner core 12, one end of the male bar 15 is coupled with the code wheel 16, the other end of the male bar 15 is cooperatively connected with the rotary connecting rod 14, the male bar 15 is in fit clamping connection with the push switch 17, the upper end of the male bar is coupled with the lock gate 13, a first return spring 150 is further sleeved at the connecting end of the male bar 15 and the code wheel 16, the lock gate 13 is arranged at, a second return spring 130 which is matched and connected with the plastic inner core 12 is further arranged in the lock brake 13, and the rotating part assembly 18 is matched and connected with the end part of the rotating connecting rod 14; because the male row 15 is connected with the cipher wheel 16 by the shaft, and one end of the male row 15 is provided with the internal slot 151 connected with the first return spring 150, so one end of the first return spring 150 is connected with the internal slot 151 in a matching way, and the other end is against the internal baffle plate arranged in the plastic inner core 12, the switch 17 is pushed by the action of the push switch 17 to push the male row 15 to act, when the cipher is correct, the lock gate 13 acts in the same direction with the male row 15, the first return spring 150 is compressed, and then the action of the male row 15 is matched, the U-shaped lock ring 2 is matched with the lock gate 13 to unlock, the U-shaped lock ring 2 is separated from the lock gate 13 and can be taken down independently, if the cipher is wrong, the push switch 17 is not moved, the cipher wheel 16 does not act, the male row 15 cannot act with the lock gate 13 to unlock, and the second return spring 130 arranged in the lock gate 13 in the unlocking process is compressed, and when unlocking is carried out, the lock gate 13 can return, the unlocking efficiency of the coded lock is further improved, the safety coefficient is high, and the coded lock is convenient to assemble and high in practicability.

In this embodiment, a compression cavity 120 is further disposed in the plastic inner core 12, a compression spring 121 and a reset plug 122 cooperatively connected with an upper end of the compression spring 121 are disposed in the compression cavity 120, two sides of the reset plug 122 are further fixedly connected with a stopper 123, a sliding groove cooperatively connected with the stopper 123 is disposed on a cavity wall of the compression cavity 120, an upper end of the reset plug 122 is cooperatively and butted with the U-shaped locking ring 2, the U-shaped lock is inserted into the compression cavity 120 and correspondingly butted with an upper end of the reset plug 122, the compression spring 121 is disposed at a bottom end of the reset plug 122, so that the reset plug 122 is conveniently bounced up by elasticity of the compression spring 121 when the U-shaped lock is unlocked, the stopper 123 slides by cooperating with the sliding groove disposed on an inner wall of the compression cavity 120, and further abuts against an upper limit of the sliding groove, so as to position the reset plug 122 for unlocking, thereby realizing an automatic bounced function, accompanied by an unlocking, the use performance of the coded lock is improved.

In this embodiment, the rotating portion assembly 18 includes a cover plate 180 engaged with the end of the plastic core 12, a rotating cover 182 engaged with the cover plate 180, a screw 183 sequentially passing through the rotating cover 182, the cover plate 180, one end of the rotating link 14, and a decorative cover 184 engaged with the outer side of the rotating cover 182, the inner wall of the rotating cover 182 is further provided with a boss 185 engaged with the plastic core 12, positioning concave points 186 are uniformly distributed on the boss 185, the outer wall of the cover plate 180 is provided with positioning convex points 181 corresponding to the positioning concave points 186, the screw 183 connects the rotating cover 182 and the rotating link 14, when the combination lock needs to be reset, the combination lock needs to be in an unlocking state and the U-shaped locking ring 2 is taken out, so as to avoid mistakenly setting the combination in a locking state, the rotating cover 182 is rotated first, the rotating link 14 rotates synchronously, the combination wheel 16 is adjusted to reset the combination, and the positioning convex points 181 are engaged with the positioning concave points, the purpose is to improve the force point between the rotating cover 182 and the rotating link 14, and also to limit the rotation angle of the rotating cover 182 when adjusting the password, wherein the password wheel 16 is a conventional technology, and therefore will not be described again.

In this embodiment, push switch 17 includes push pedal 170, goes up cardboard 171 and corresponds the lower cardboard 172 that sets up from top to bottom with last cardboard 171, go up cardboard 171 and lower cardboard 172 all with push pedal 170 cooperation fixed connection, it is formed with the assembly chamber of being connected with male row 15 cooperation between last cardboard 171 and lower cardboard 172, push pedal 170 cooperates the joint through assembly chamber and male row 15, makes things convenient for the unblock control of U type lock, through pushing away push pedal 170 before, male row 15 can cooperate and promote towards push pedal 170 direction, and then drives unblock actions such as lock brake 13, has improved the flexibility of password U type lock operation.

In this embodiment, the lock gate 13 includes a gate plate 131, a mounting hole 132 disposed on the gate plate 131, a first positioning hole 133, a second positioning hole 134, and a connecting shaft hole 135, one end of the U-shaped lock ring 2 is connected to the mounting hole 132 in a matching manner, the other end of the U-shaped lock ring 2 is connected to the first positioning hole 133 in a matching manner, the male bar 15 is connected to the connecting shaft hole 135 in a matching manner, the front end of the second return spring 130 abuts against a projection disposed on the plastic inner core 12, and the rear end abuts against a hole wall of the second positioning hole 134, the mounting hole 132, the first positioning hole 133, the second positioning hole 134, and the connecting shaft hole 135 correspondingly disposed on the gate plate 131 facilitate connection between the lock gate 13 and the U-shaped lock ring 2, the male bar 15, and the plastic inner core 12, and improve structural stability of the lock gate.

The utility model discloses an unblock process as follows:

firstly, the coded lock part is opened by adjusting the coded wheel 16, then the push switch 17 is pushed forwards, the male bar 15 is pushed forwards synchronously, the lock brake 13 is pushed forwards towards the same side synchronously by matching a connecting shaft arranged at the upper end with the connection of the connecting shaft hole 135, the U-shaped lock ring 2 does not act, at the moment, the first return spring 150 is compressed, the second return spring 130 arranged in the lock brake 13 is also compressed, the reset plug 122 is jacked up under the action of the self elasticity of the pressure spring 121, meanwhile, the U-shaped lock ring 2 is jacked up, the unlocking sound of 'crack' is accompanied, the unlocking is completed, the U-shaped lock ring 2 is taken down from the lock head 1, the lock brake 13 is in an unlocking state before the U-shaped lock ring 2 is pressed and locked, the lock brake 13 is supported by the reset plug 122, and the situation that the U-shaped lock ring 2 cannot be directly inserted into the compression; when needing to lock again, press U type catch 2 down into compression chamber 120 in, the lock floodgate 13 resumes initial condition under the effect of second return spring 130, the stopper 122 that resets simultaneously pushes down under the pressure of U type catch 12 in step, pressure spring 121 is compressed to compression chamber 120 in step, and then under the effect of first return spring 150, male row 15 is pushed back to initial condition by the elasticity, promote switch 17 and resume initial condition in step, realize the locked state of password U type lock, and then effectively improved the factor of safety of password lock.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a password U type lock, includes tapered end and the U type catch of being connected with the tapered end cooperation, its characterized in that: the lock head comprises an outer shell, an inner shell, a plastic inner core, a lock gate, a rotating connecting rod, a male row, a password wheel, a push switch and a rotating part assembly, wherein the inner shell is arranged on the inner wall of the outer shell and is matched and connected with the outer wall of the plastic inner core;

the plastic core is characterized in that a compression cavity is further arranged in the plastic core, a pressure spring and a reset plug which is connected with the upper end of the pressure spring in a matched mode are arranged in the compression cavity, limiting blocks are fixedly connected to two sides of the reset plug, a sliding groove which is connected with the limiting blocks in a matched mode is formed in the cavity wall of the compression cavity, and the upper end of the reset plug is connected with a U-shaped locking ring in a matched and abutted mode.

2. The combination U-shaped lock according to claim 1, wherein: the rotating part assembly includes the apron with plastics inner core tip cooperation joint, with the rotatory lid of apron cooperation connection, pass the screw of rotatory lid, apron and rotatory connecting rod one end in proper order and with the dress trim cover that the cooperation of the rotatory lid outside is connected, the rotatory inner wall of covering still is equipped with the boss of being connected with the cooperation of plastics inner core, the equipartition has the location pit on the boss, be equipped with on the outer wall of apron and correspond the location bump that sets up with the location pit.

3. The combination U-shaped lock according to claim 1, wherein: the push switch comprises a push plate, an upper clamping plate and a lower clamping plate which is vertically and correspondingly arranged with the upper clamping plate, the upper clamping plate and the lower clamping plate are fixedly connected with the push plate in a matched mode, and an assembly cavity which is connected with the male bar in a matched mode is formed between the upper clamping plate and the lower clamping plate.

4. The combination U-shaped lock according to claim 1, wherein: the lock brake comprises a flashboard, a mounting hole, a first positioning hole, a second positioning hole and a connecting shaft hole, wherein the mounting hole, the first positioning hole, the second positioning hole and the connecting shaft hole are formed in the flashboard, one end of the U-shaped locking ring is connected with the mounting hole in a matched mode, the other end of the U-shaped locking ring is connected with the first positioning hole in a matched mode, the male bar is connected with the connecting shaft hole in a matched mode, the front end of the second return spring abuts against a protruding block arranged on the plastic inner core, and the rear end of the second.