CN217631787U

CN217631787U - Self-spring lock

Info

Publication number: CN217631787U
Application number: CN202220118724.6U
Authority: CN
Inventors: 项文广; 李乾兴; 周燕义
Original assignee: Wenzhou Yika Lock Technology Co ltd
Current assignee: Wenzhou Yika Lock Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-10-21
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to a self-eject lock, including lock shell, locking mechanism, electron release mechanism and mechanical release mechanism, locking mechanism includes the locking wheel of normal running fit in the lock shell, the spring of unblanking that the required spring force of storage drive locking wheel unblock action was rotated to the shutting state in the locking wheel, rotate the holding wheel that sets up in the lock shell and drive the holding wheel and reset to the holding spring that the locking is in shutting position locking wheel, the forked tapered end of locking wheel corresponds with the fore shaft position, the actuating lever has been arranged to the eccentric on the holding wheel, and electron release mechanism includes driving motor and drive slide, and drive slide has the bar groove along the straight line location sliding fit of perpendicular actuating lever direction in the lock shell, thereby it has the bar groove to extend along length direction on the drive slide, thereby the drive rod tip is inserted and is arranged in the bar inslot and is supplied drive slide to pull the pulling, driving motor's output is through the reciprocal sliding of drive assembly drive slide. Has the advantages of small current required by driving and reliable operation.

Description

Self-spring lock

Technical Field

The utility model relates to a tool to lock technical field, definite self-eject lock says so.

Background

The traditional self-elastic lock structure generally comprises a lock shell, a lock mechanism and an electronic unlocking mechanism, wherein the lock mechanism comprises a locking wheel for locking/unlocking a lock pin inserted into a lock port and a retaining wheel for locking the locking wheel in a locking state, the electronic unlocking mechanism drives the retaining wheel to release the locking of the retaining wheel to the locking wheel, the electronic unlocking mechanism adopts an electromagnet as a driving source, the electromagnet needs large current to ensure driving pull force when acting, and therefore when a plurality of cabinet doors are required to be opened and operated simultaneously in an electric cabinet, the electromagnet can cause great current impact (generally, the single door is 12V, 2A).

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a motor drive drives little from the bullet lock of required electric current.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a self-eject lock comprises a lock shell with a lock opening, a locking mechanism corresponding to the lock opening, an electronic unlocking mechanism for unlocking the locking mechanism and a mechanical unlocking mechanism for unlocking the locking mechanism, wherein the mechanical unlocking mechanism is provided with an unlocking trigger end protruding on the end face of the lock shell with the lock opening, the locking mechanism comprises a locking wheel which is rotatably matched in the lock shell, an unlocking spring which stores the spring force required by the unlocking action of the driving locking wheel when the locking wheel rotates to a locking state, a retaining wheel which is rotatably arranged in the lock shell and a retaining spring which drives the retaining wheel to reset to a locking position, the locking wheel is locked, a fork-shaped lock head of the locking wheel corresponds to the lock opening, and a driving rod is eccentrically arranged on the retaining wheel, and the self-eject lock is characterized in that: electronic unlocking mechanism include driving motor and drive slide, the drive slide is along perpendicular actuating lever direction straight line location sliding fit in the lock shell, it has the bar groove to extend along length direction on the drive slide, thereby the bar inslot is arranged in to the drive rod tip inserts and supplies the drive slide to pull the pulling, driving motor's output is through the reciprocal sliding of transmission assembly drive slide.

By adopting the technical scheme, the driving motor drives the sliding plate to slide through the transmission assembly, so that the driving rod inserted into the strip-shaped groove is pulled, namely the retaining wheel rotates, the spring is kept to store energy, the locking wheel is unlocked, and the locking wheel is automatically bounced to unlock under the driving of the unlocking spring; the driving motor is used for driving the sliding plate to realize unlocking operation, and the unlocking device has the advantages of small driving current and large pulling force.

Preferably, the transmission assembly sets up the cam of stirring in the lock shell including rotating, stirs the cam and includes that rotation wheel body and off-centre set up the eccentric arm of stirring on rotation wheel body, and driving motor drive rotation wheel body rotates, be equipped with on the drive slide with bar groove vertically drive groove, the eccentric arm of stirring inserts the drive inslot. Under the structural design, the driving motor drives the shifting cam to rotate, so that the sliding plate is shifted and driven to slide in a reciprocating manner; the driving device has the advantages of simple and compact structure and stable and reliable driving.

Preferably, be equipped with integrated mount pad in the lock shell, be equipped with the motor groove that supplies driving motor installation, supply to stir the cam groove of cam installation and supply drive slide location sliding fit's location guide slot on the integrated mount pad, driving motor is the gear motor who takes the reduction gear, stirs the cam location and rotates and install on driving motor's gear housing. Under this structural design, realize that electronic unlocking mechanism integrates the installation, easy to assemble and maintenance.

Preferably, the circumferential surface of the wheel body of the locking wheel is provided with a step for locking the retaining wheel, the step for locking the retaining wheel and the fork-shaped lock head of the locking wheel are arranged oppositely, the radial bulge of the wheel body of the retaining wheel is provided with a locking finger which is abutted against the step for locking the retaining wheel and a mechanical unlocking finger for pushing the retaining wheel by a mechanical unlocking mechanism, the mechanical unlocking mechanism comprises a pushing slide rod and a slide rod reset spring which are in sliding fit in the lock shell, the pushing slide rod is in pushing fit with the mechanical unlocking finger, and the pushing slide rod is provided with an unlocking trigger end extending out of the lock shell. Under this structural design, have the advantage that structural arrangement is reasonable compact.

Preferably, the unlocking spring and the retaining spring are an integral spring formed by bending a metal wire, the integral spring comprises a first spiral part coaxially mounted with the locking wheel, a second spiral part coaxially mounted with the retaining wheel, and a connecting arm connected with the first spiral part and the second spiral part, a first elastic arm abutted against a fork-shaped lock head of the locking wheel extends from the first spiral part, a second elastic arm extends from the second spiral part, and the second spring arm is provided with a sleeving and connecting ring sleeved on the driving rod. Under this structural design, the spring of unblanking adopts single spring wire bending type to form with the holding spring, reduces spare part, and convenient equipment has the advantage of installation back reliable operation.

Preferably, an integrated circuit board for communication connection of external equipment is further arranged in the lock shell, a driving circuit of the driving motor is integrally mounted on the integrated circuit board, and a communication port is formed in the integrated circuit board. Under this structural design, the lock shell is built-in to install integrated circuit board, is convenient for unblank the setting of drive circuit and module, realizes the signal function of unblanking of tool to lock, if 485/DO signal control unblanks, and communication port realizes the communication connection.

Preferably, be equipped with two mutual dispositions's mounting panel on the lock shell, the mounting panel is located two horizontal relative lateral walls of lock shell fore shaft place lateral wall, and the mounting panel is including fixing the fixed foot of lock shell on the lock shell and being used for fixing the installation ear on the door frame, is equipped with the bar mounting hole that extends along two mounting panels distribution direction on the installation ear, sets up on the lock shell between two parties about the installation ear. Under this structural design, set up the installation ear of realizing arranging between two parties on the lock shell to make things convenient for the lock shell to install on the door frame.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a self-eject lock according to an embodiment of the present invention;

fig. 2 is a perspective view of the internal structure of the self-eject lock according to the embodiment of the present invention (the integral spring is removed);

fig. 3 is an exploded view of an electronic unlocking mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of the self-eject lock according to the embodiment of the present invention;

fig. 5 is a schematic structural view of an integral spring according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention discloses a self-eject lock, which comprises a lock case 1 with a lock opening 11, a locking mechanism corresponding to the position of the lock opening 11, an electronic unlocking mechanism for unlocking the locking mechanism, and a mechanical unlocking mechanism for unlocking the locking mechanism, wherein the locking mechanism comprises a locking wheel 21 rotationally fitted in the lock case 1, an unlocking spring 23 for storing a spring force required for unlocking the locking wheel 21 when the locking wheel 21 rotates to a locking state, a retaining wheel 22 rotationally arranged in the lock case 1, and a retaining spring 24 for driving the retaining wheel 22 to return to a locking state and being in the locking position of the locking wheel 21, a forked lock head 211 of the locking wheel 21 corresponds to the position of the lock opening 11, the forked lock head 211 of the locking wheel 21 is used for locking a lock bolt inserted into the lock opening 11, a drive rod 221 is eccentrically arranged on the retaining wheel 22, the electronic unlocking mechanism comprises a drive motor 31 and a drive slide plate 32, the drive slide plate 32 is linearly positioned and slidably fitted in the lock case 1 along a vertical direction, a strip-shaped slot 321 extends from the drive slide plate 32 along a length direction, and a strip-shaped slot 221 is arranged in the drive slide plate 221 for pulling a drive assembly to pull the drive slide plate 32, so as to pull the drive assembly 32. The driving motor drives the sliding plate to slide through the transmission assembly, so that the driving rod inserted into the strip-shaped groove is pulled, namely the retaining wheel rotates, the spring is kept storing energy, the locking wheel is unlocked, and the locking wheel automatically pops open and unlocks under the driving of the unlocking spring; the driving motor is used for driving the sliding plate to realize unlocking operation, and the unlocking device has the advantages of small driving current and large pulling force.

The transmission assembly comprises a toggle cam 33 rotatably arranged in the lock housing 1, the toggle cam 33 comprises a rotating wheel body 331 and an eccentric toggle arm 332 eccentrically arranged on the rotating wheel body 331, the driving motor 31 drives the rotating wheel body 331 to rotate, a driving groove 322 perpendicular to the strip-shaped groove 321 is arranged on the driving sliding plate 32, and the eccentric toggle arm 332 is inserted into the driving groove 322 and can slide in the driving groove 322. The driving motor drives the toggle cam to rotate, and the eccentric toggle arm of the toggle cam slides in the driving groove and toggles the driving sliding plate to slide in a reciprocating manner; the driving device has the advantages of simple and compact structure and stable and reliable driving. The transmission assembly is used for converting the rotary motion of the motor into the reciprocating sliding of the driving sliding plate, and other transmission structural forms in the prior art, such as a gear rack assembly, a nut screw assembly and the like, can also be adopted, and the technical personnel in the field can also carry out corresponding modification design under the guidance of the essential spirit of the utility model.

In order to facilitate the installation of the electronic unlocking part, an integrated mounting seat 12 is arranged in the lock case 1, a motor groove 121 for installing a driving motor 31, a cam groove 122 for installing a toggle cam 33 and a positioning guide groove 123 for positioning and sliding fit of the driving sliding plate 32 are arranged on the integrated mounting seat 12, the driving motor 31 is a speed reducing motor with a speed reducer, and the toggle cam 33 is positioned and rotatably installed on a speed reducing case 311 of the driving motor 31. The electronic unlocking mechanism is integrated, and is convenient to install and maintain.

As shown in the figures of the present embodiment, a retaining wheel locking step 212 is provided on the circumferential surface of the latching wheel 21, the retaining wheel locking step 212 is arranged opposite to the fork-shaped locking head 211 of the latching wheel 21, and a locking finger 222 that is in abutting engagement with the retaining wheel locking step 212 is radially protruded from the wheel body of the retaining wheel 22; naturally, as in the prior art, the end of the long fork arm of the fork-shaped lock head of the locking wheel is provided with a holding hook, and the holding wheel is provided with a barb-shaped holding finger and the like; in this embodiment, the technical scheme in the drawings is preferably adopted, which is beneficial to the installation and arrangement of the driving motor, a wheel body of the retaining wheel 22 is further provided with a mechanical unlocking finger 223 which is radially protruded and used for a mechanical unlocking mechanism to push the retaining wheel 22, the mechanical unlocking mechanism comprises a pushing slide rod 41 and a slide rod return spring 42 which are in sliding fit in the lock case 1, the slide rod return spring drives an operation end of the pushing slide rod 41 to extend out of the lock case 1, and the other end of the pushing slide rod 41, which is opposite to the operation end, is in pushing fit with the mechanical unlocking finger 223. Meanwhile, the mechanical unlocking mechanism is convenient to install and arrange, and the structure is simple and compact.

An integrated circuit board 5 for communication connection of external equipment is further arranged in the lock case 1, a driving circuit of the driving motor 31 is integrally installed on the integrated circuit board 5, and a communication port 51 is arranged on the integrated circuit board 5. An integrated circuit board is arranged in the lock shell, so that the unlocking driving circuit and the module can be conveniently arranged, more electrical characteristics can be realized, and a dial switch can be added for manually changing 485 addresses on site; adding an LED lamp for indication; bidirectional control is performed on the motor, namely the motor rotates forwards when the lock is unlocked, and the motor rotates backwards after the lock is unlocked, so that the signal unlocking function of the lock is realized, for example, 485/DO signal control unlocking is performed, and the communication port realizes communication connection.

In this embodiment, the unlocking spring 23 and the retaining spring 24 are formed by bending a single metal wire into an integral spring, the integral spring includes a first spiral part 2-1 coaxially mounted with the locking wheel 21, a second spiral part 2-2 coaxially mounted with the retaining wheel 22, and a connecting arm 2-3 connecting the first spiral part 2-1 and the second spiral part 2-2, a first elastic arm 2-4 abutting against the forked locking head 211 of the locking wheel 21 extends from the first spiral part 2-1, a second elastic arm 2-5 extends from the second spiral part 2-2, and the second spring arm 2-5 has a sleeving ring 2-51 sleeving on the driving rod 221. Under this structural design, the spring 23 of unblanking and the retaining spring 24 adopt single spring wire bending type to form, reduce spare part, and convenient equipment has the advantage of installation back reliable operation. Of course, as described in the prior art, other independent spring designs for the unlocking spring 23 and the retaining spring 24 are also possible.

For making things convenient for the tool to lock to install and use on the door frame, be equipped with two mutual dispositions's mounting panel 6 on the lock shell 1, mounting panel 6 is located two horizontal relative lateral walls at lock shell 1 fore shaft 11 place lateral wall, and mounting panel 6 is including fixing lock shell fixed foot 61 on lock shell 1 and being used for fixing the installation ear 62 on the door frame, is equipped with the bar mounting hole 621 that extends along two 6 distribution directions of mounting panel on the installation ear 62, and the installation ear 62 is controlled and is set up on lock shell 1 between two parties. The installation ear that the setting was arranged between two parties was realized on the lock shell to make things convenient for the lock shell to install on the door frame, improve the commonality that the tool to lock installation was used, the equal installability of stand about the door frame.

Claims

1. A self-eject lock comprises a lock shell with a lock opening, a locking mechanism corresponding to the lock opening, an electronic unlocking mechanism for unlocking the locking mechanism and a mechanical unlocking mechanism for unlocking the locking mechanism, wherein the mechanical unlocking mechanism is provided with an unlocking trigger end protruding on the end face of the lock shell with the lock opening, the locking mechanism comprises a locking wheel which is rotatably matched in the lock shell, an unlocking spring which stores the spring force required by the unlocking action of the driving locking wheel when the locking wheel rotates to a locking state, a retaining wheel which is rotatably arranged in the lock shell and a retaining spring which drives the retaining wheel to reset to a locking position, the locking wheel is locked, a fork-shaped lock head of the locking wheel corresponds to the lock opening, and a driving rod is eccentrically arranged on the retaining wheel, and the self-eject lock is characterized in that: electronic unlocking mechanism include driving motor and drive slide, drive slide along vertical drive pole direction straight line location sliding fit in the lock shell, it has the bar groove to extend along length direction on the drive slide, thereby the bar inslot is arranged in to the insertion of drive rod tip supplies drive slide to pull the pulling, driving motor's output slides through transmission assembly drive slide is reciprocal.

2. The self-eject lock as recited in claim 1, wherein: the transmission assembly comprises a toggle cam which is rotatably arranged in the lock shell, the toggle cam comprises a rotating wheel body and an eccentric toggle arm which is eccentrically arranged on the rotating wheel body, the rotating wheel body is driven by a driving motor to rotate, a driving groove which is vertical to the strip-shaped groove is formed in the driving sliding plate, and the eccentric toggle arm is inserted into the driving groove.

3. A self-sprung lock as claimed in claim 2, in which: be equipped with integrated mount pad in the lock shell, be equipped with the motor groove that supplies the driving motor installation on the integrated mount pad, supply to stir the cam groove of cam installation and supply drive slide location sliding fit's location guide slot, driving motor is the gear motor who takes the reduction gear, stirs the cam location and rotates and install on driving motor's gear housing.

4. A self-sprung lock as claimed in claim 1, 2 or 3, in which: the global wheel body that locks the wheel is equipped with and keeps wheel locking to use the step, keep wheel locking to use the step and the fork form tapered end mutual disposition of locking the wheel, the radial arch of wheel body that keeps the wheel has and keeps the wheel locking to lean on the complex locking finger with the step to and supply mechanical release mechanism to push away the mechanical unlocking finger that keeps the wheel, mechanical release mechanism includes top push slide bar and the slide bar reset spring of sliding fit in the lock shell, top push slide bar and the cooperation of mechanical unlocking finger top push, top push slide bar is equipped with and stretches out the lock shell unblock trigger end.

5. The self-sprung lock as claimed in claim 4, wherein: the integrated spring that unblank spring and holding spring were buckled by a root wire and are formed, integrated spring include with the first spiral portion of shutting wheel coaxial arrangement, with the second spiral portion of holding wheel coaxial arrangement, connect the linking arm of first spiral portion and second spiral portion, extend on the first spiral portion have to lean on the first elastic arm on the fork-shaped tapered end of shutting wheel, it has the second elastic arm to extend on the second spiral portion, the second spring arm has the suit and encircles on the actuating lever.

6. A self-eject lock as claimed in claim 1, 2 or 3, wherein: the lock shell is internally provided with an integrated circuit board for communication connection of external equipment, a driving circuit of the driving motor is integrally installed on the integrated circuit board, and the integrated circuit board is provided with a communication port.

7. A self-eject lock as claimed in claim 1, 2 or 3, wherein: the lock shell is provided with two oppositely arranged mounting plates, the mounting plates are positioned on two transverse opposite side walls of the side wall where a lock opening of the lock shell is positioned, the mounting plates comprise lock shell fixing pins fixed on the lock shell and mounting lugs used for being fixed on a door frame, strip-shaped mounting holes extending along the distribution direction of the two mounting plates are formed in the mounting lugs, and the mounting lugs are arranged on the lock shell in the left and right directions.