CN209780478U - Electric control lock - Google Patents
Electric control lock Download PDFInfo
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- CN209780478U CN209780478U CN201822277610.2U CN201822277610U CN209780478U CN 209780478 U CN209780478 U CN 209780478U CN 201822277610 U CN201822277610 U CN 201822277610U CN 209780478 U CN209780478 U CN 209780478U
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- locking piece
- alloy wire
- memory alloy
- shell
- electrically controlled
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Abstract
The utility model relates to the technical field of electronic locks, in particular to an electric control lock, which comprises a shell, a first locking piece, a second locking piece and a memory alloy wire, wherein the first locking piece, the second locking piece and the memory alloy wire are arranged in the shell; the two ends of the memory alloy wire are electrically connected with the positive electrode and the negative electrode of the power supply, and the memory alloy wire contracts after being electrified to drive the second locking piece to release the conflict with the first locking piece. The utility model discloses a memory alloy wire is as unblock driver part, its simple structure is compact, and the operation is reliable and stable, and memory alloy wire low in manufacturing cost, long service life to can make the casing save more spaces, make the design of shell can be more pleasing to the eye fashion, be fit for using widely. First latch fitting and second latch fitting are the plastic pellet, and the quality is light, and the electron lock is difficult for receiving vibrations and opens by oneself when striking.
Description
Technical Field
The utility model belongs to the technical field of the electronic lock technique and specifically relates to indicate an electric control lock.
Background
The self-service vending machine is a common commercial automatic device, is not limited by time and place, can save manpower and facilitate transaction, and is a brand new commercial retail form, namely a micro supermarket with 24-hour business. In developed countries, the use of vending machines has become an indispensable part of people's daily lives, and a considerable portion of goods are sold by vending machines. The cabinet body of the vending machine is generally provided with a control module and a plurality of compartments for placing articles to be sold, each compartment is correspondingly provided with an independent door, the door corresponding to each compartment is provided with an electric control lock, and the electric control lock is electrically connected with the control module. When the vending machine is used, the vending machine is operated, and after the two-dimensional codes are scanned, coins are put in or cards are swiped, commodities can come out from the goods taking port.
However, the existing electric control lock adopts a mode that an electromagnetic component and an armature are used or a motor is used for controlling to pull a lock tongue, and the electric control lock is complex in structure, high in failure rate, high in power consumption and high in cost, and is not beneficial to large-scale popularization and use.
Disclosure of Invention
An object of the utility model is to provide a not enough electric control lock of simple structure reliable, with low costs, the reaction is quick to prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides an electric control lock, which comprises a shell, a first locking piece, a second locking piece and a memory alloy wire, wherein the first locking piece, the second locking piece and the memory alloy wire are arranged in the shell, the first locking piece is used for buckling the external buckle, and the second locking piece is used for abutting against the first locking piece to prevent the first locking piece from being separated from the external buckle; the two ends of the memory alloy wire are electrically connected with the positive electrode and the negative electrode of the power supply, and the memory alloy wire contracts after being electrified to drive the second locking piece to release the conflict with the first locking piece.
The first locking piece and the second locking piece are both rotatably arranged in the shell, and a first elastic piece for driving the first locking piece to rotate and a second elastic piece for driving the second locking piece to rotate are arranged in the shell; the first locking piece is provided with a rotating arm and a lock tongue, the lock tongue is connected with the rotating arm and is U-shaped, the lock tongue is positioned above the rotating arm, the rotating arm and the second locking piece are arranged in a crossed mode, and a locking cavity used for containing an external buckle is arranged between the rotating arm and the lock tongue; one end of the second locking piece is used for abutting against the rotating arm.
Furthermore, the one end that the second latch fitting is close to the rotor arm is equipped with the arch, the one end that the rotor arm is close to the second latch fitting is equipped with and is used for the bellied cavity of holding.
Furthermore, a first cambered surface is arranged at the upper end of the protrusion, and a second cambered surface matched with the first cambered surface is arranged at the lower end of the concave cavity.
The device comprises a shell, a first locking piece, a memory alloy wire, a second locking piece, a linkage rod, a first locking piece and a second locking piece, wherein the shell is internally and rotatably provided with the linkage rod in a rotating mode, one end of the linkage rod is hinged to the shell, the other end of the linkage rod is rotatably connected with the other end of the second locking piece, one end of the memory alloy wire is connected to the middle of the linkage rod, and the; the included angle between the linkage rod and the second locking piece is larger than 90 degrees.
Furthermore, one end of the memory alloy wire close to the second locking piece is provided with a convex ring, the middle part of the linkage rod is provided with a groove matched with the shape of the convex ring, and the convex ring is clamped in the groove.
Furthermore, one end of the linkage rod, which is close to the second locking piece, is provided with a convex column, one end of the second locking piece is provided with a sliding groove matched with the convex column, and the convex column is arranged in the sliding groove in a sliding manner.
Wherein, be provided with micro-gap switch in the casing, micro-gap switch's movable reed is contradicted with the rotor arm.
Wherein, first latch fitting, second latch fitting and gangbar are the plastics material.
Wherein, the memory alloy wire is a nickel-titanium alloy wire.
the utility model has the advantages that:
The utility model provides an electric control lock, it makes its temperature reach specific temperature through switching on memory alloy wire, and then makes memory alloy wire take place to shrink, and the shrink of memory alloy wire just drives the second latch fitting and leaves first latch fitting, makes the second latch fitting release the conflict to first latch fitting, thereby makes first latch fitting break away from external latch closure, realizes the unblock of electric control lock from this; after the first locking piece is buckled with the external buckle, the memory alloy wire is powered off to recover the original temperature, the memory alloy wire recovers the original shape, and then the second locking piece is driven to abut against the first locking piece so as to prevent the first locking piece from being separated from the external buckle. The utility model discloses a memory alloy wire is as unblock driver part, its simple structure is compact, and the operation is reliable and stable, and memory alloy wire low in manufacturing cost, long service life to can make the casing save more spaces, make the design of shell can be more pleasing to the eye fashion, be fit for using widely.
drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a second locking member of the present invention;
FIG. 3 is a schematic view of a first locking member of the present invention;
Fig. 4 is a schematic structural diagram of another view angle of the present invention.
description of the reference numerals
1-a first lock; 11-a bolt; 111-a locking cavity; 12-a swivel arm; 13-a cavity; 2-a second lock; 21-bulge; 22-a sliding groove; 211-first arc; 212-second arc; 3-a memory alloy wire; 31-a convex ring; 4-a linkage bar; 41-groove; 42-convex column; 5-a shell; 51-a microswitch; 511-movable reed; 52-a first elastic member; 53-a second elastic member; 01-ring buckle.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention provides an electric control lock, which includes a housing 5, a first locking member 1, a second locking member 2 and a memory alloy wire 3 connected to the second locking member 2, wherein the first locking member 1 is arranged in the housing 5, the first locking member 1 is used for locking a ring buckle outside, and the second locking member 2 is used for abutting against the first locking member 1 to prevent the first locking member 1 from being separated from the ring buckle outside; the two ends of the memory alloy wire 3 are electrically connected with the positive electrode and the negative electrode of the power supply, and the memory alloy wire 3 contracts after being electrified to drive the second locking piece 2 to release the conflict of the first locking piece 1.
Specifically, when the temperature of the memory alloy wire 3 reaches a certain value, the crystal structure inside the material changes, resulting in a change in its shape; on the contrary, when the temperature of the memory alloy wire 3 is restored to the original value, the memory alloy wire 3 is restored to the original shape.
In practical application, the memory alloy wire 3 is electrified to reach a specific temperature, so that the memory alloy wire 3 contracts, the contraction of the memory alloy wire 3 drives the second locking piece 2 to leave the first locking piece 1, the second locking piece 2 releases the conflict on the first locking piece 1, and the first locking piece 1 is separated from an external buckle, so that the unlocking of the electric control lock is realized; after the first locking piece 1 is buckled with the external buckle, the memory alloy wire 3 is powered off to recover the original temperature, the memory alloy wire 3 recovers the original shape, and the second locking piece 2 is driven to abut against the first locking piece 1 to prevent the first locking piece 1 from being separated from the external buckle. The utility model discloses a memory alloy wire 3 is as unblock driver part, its simple structure is compact, and the operation is reliable and stable, and memory alloy wire 3 low in manufacturing cost, long service life to can make casing 5 save more spaces, make the design of shell more pleasing to the eye fashion, be fit for using widely.
Specifically, the memory alloy wire 3 is preferably a nitinol wire, which generates heat when being energized, and is plastically deformed and contracted when reaching a certain temperature; the nickel-titanium alloy wire is not heated in the power-off state, and the nickel-titanium alloy wire can automatically return to the original shape when the temperature of the nickel-titanium alloy wire is reduced. The expansion rate of the nickel-titanium alloy wire is more than 20%, the fatigue life reaches 7 times of 1 x 10, the damping characteristic is 10 times higher than that of a common spring, and the manufacturing cost is low.
in the present technical solution, referring to fig. 1, 3 and 4, the first locking piece 1 and the second locking piece 2 are both rotatably disposed on a housing 5, and a first elastic piece 52 for driving the first locking piece 1 to rotate and a second elastic piece 53 for driving the second locking piece 2 to rotate are disposed in the housing 5; the first locking piece 1 is provided with a rotating arm 12 and a bolt 11, the bolt 11 is connected with the rotating arm 12 and is U-shaped, the bolt 11 is positioned above the rotating arm 12, the rotating arm 12 and the second locking piece 2 are arranged in a crossed manner, and a locking cavity 111 for accommodating an external buckle is arranged between the rotating arm 12 and the bolt 11; one end of the second locking member 2 is adapted to abut against the rotating arm 12. Specifically, the first elastic member 52 and the second elastic member 53 are preferably torsion springs, one end of the first elastic member 52 abuts against the rotating arm 12, and the other end of the first elastic member 52 abuts against a cylinder inside the housing 5; one end of the second elastic member 53 abuts against the second locking member 2, and the other end of the second elastic member 53 abuts against the column inside the housing 5.
In practical use, as shown in fig. 1, the first locking member 1 has a barb shape; when the electric control lock is in a locking state, the second locking piece 2 rotates clockwise under the action of the torsion spring, so that the second locking piece 2 always props against the rotating arm 12, and at the moment, the lock tongue 11 fastens an external buckle in the locking cavity to realize the locking of the electric control lock; when the electric control lock is to be unlocked, the memory alloy wire 3 is electrified to be contracted, the contraction of the memory alloy wire 3 drives the second locking piece 2 to rotate anticlockwise so as to release the conflict of the rotating arm 12, the rotating arm 12 rotates clockwise under the action of the torsion spring, and the rotating arm 12 rotates to drive the bolt 11 to be separated from the external buckle so as to unlock the electric control lock. The first locking part 1 has a simple and compact design, stable and reliable operation and small space occupation.
Preferably, referring to fig. 2 and 3, a protrusion 21 is disposed at an end of the second locking member 2 close to the rotating arm 12, and a cavity 13 for receiving the protrusion 21 is disposed at an end of the rotating arm 12 close to the second locking member 2.
In practical application, as shown in fig. 1, the protrusion 21 of the second locking element 2 is accommodated in the cavity 13 of the first locking element 1, and the cavity 13 of the protrusion 21 is abutted to stop the rotation of the first locking element 1, so as to prevent the bolt 11 of the first locking element 1 from being separated from the external buckle, thereby realizing the locking state of the electric control lock. The design of this structure is simple ingenious for the cooperation of first latch fitting 1 and second latch fitting 2 is compacter.
In the present technical solution, referring to fig. 1 to 3, a first arc surface 211 is disposed at an upper end of the protrusion 21, and a second arc surface 212 matched with the first arc surface 211 is disposed at a lower end of the cavity 13. Specifically, the first arc surface 211 is inclined from the top end of the second locking piece 2 to be gradually close to the first locking piece 1, and the shape of the second arc surface 212 is matched with the shape of the first arc surface 211.
In practical application, when the external buckle is locked with the electric control lock, the external buckle is abutted against the rotating arm 12 and drives the rotating arm 12 to rotate anticlockwise, and at the moment, the second arc surface 212 of the rotating arm 12 is abutted against the first arc surface 211 at the upper end of the protrusion 21 of the second locking piece 2 and slides downwards until the protrusion 21 is embedded into the concave cavity 13; meanwhile, the counterclockwise rotation of the rotating arm 12 makes the latch 11 penetrate through the external buckle, so that the external buckle is locked in the locking cavity 111 of the first locking part 1. The first and second arc surfaces 211 and 212 are designed such that the protrusion 21 of the second locking element 2 is more smoothly inserted into the recess 13 of the first locking element 1.
preferably, a linkage rod 4 is rotatably arranged in the shell 5, one end of the linkage rod 4 is hinged to the shell 5, the other end of the linkage rod 4 is rotatably connected with one end of the second locking piece 2, one end of the memory alloy wire 3 is connected to the middle of the linkage rod 4, and the other end of the memory alloy wire 3 is connected to the shell 5; the included angle between the linkage rod 4 and the second locking piece 2 is larger than 90 degrees. When the lock works, the memory alloy wire 3 pulls the linkage rod 4 to rotate, and the rotation of the linkage rod 4 further drives the second locking piece 2 to rotate away from the first locking piece 1. The design of the structure skillfully utilizes the lever principle, so that the unlocking action of the electric control lock is more sensitive and labor-saving.
Preferably, referring to fig. 4, a convex ring 31 is arranged at one end of the memory alloy wire 3 close to the second locking piece 2, a groove 41 matched with the convex ring 31 in shape is arranged in the middle of the linkage rod 4, and the convex ring 31 is clamped in the groove 41. The structure realizes the detachable connection of the memory alloy wire 3 and the linkage rod 4, so as to facilitate the detachment and maintenance of the electric control lock.
Preferably, referring to fig. 4, a convex column 42 is arranged at one end of the linkage rod 4 close to the second locking piece 2, a sliding groove 22 matched with the convex column 42 is arranged at one end of the second locking piece 2, and the convex column 42 is slidably arranged in the sliding groove 22. Specifically, the slide groove 22 is an oblong through groove. When the linkage rod 4 drives the second locking part 2 to rotate, the convex column 42 slides in the range of the sliding groove 22 to limit the second locking part 2 to rotate within a preset angle range, so as to improve the rotation accuracy of the electric control lock.
In the present solution, referring to fig. 1 and 4, the housing 5 is provided with a micro switch 51, specifically, the micro switch 51 is disposed below the first locking piece 1; the movable contact spring 511 of the microswitch 51 abuts against the first lock 1. The microswitch 51 is electrically connected with an external controller for determining the open/close state of the electric control lock. When the electric control lock is in a locking state, the first locking piece 1 presses down the movable reed 511 towards the microswitch 51, so that the movable reed 511 is in contact conduction with a contact of the microswitch 51; when the electric control lock is in an unlocking state, the first locking piece 1 rotates to release the pressing of the movable spring piece 511, so that the movable spring piece 511 is disconnected from the contact of the microswitch 51.
In this technical scheme, first latch fitting 1, second latch fitting 2 and gangbar 4 are the plastics material. Specifically, nylon fibers are preferred. The quality of this material is light, and the wearability is high, and intensity is big, and difficult fracture makes this automatically controlled lock receive fiercely when striking under the locking state from this, because inertia is little, and first latch fitting 1, second latch fitting 2 and gangbar 4 are difficult for being shaken and the phenomenon that leads to the unblock appears, improve the safety in utilization of this automatically controlled lock effectively.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (10)
1. An electrically controlled lock, characterized in that: the wire drawing device comprises a shell, a first locking piece, a second locking piece and a memory alloy wire, wherein the first locking piece, the second locking piece and the memory alloy wire are arranged in the shell, the first locking piece is used for buckling an external buckle, and the second locking piece is used for abutting against the first locking piece to prevent the first locking piece from being separated from the external buckle; the two ends of the memory alloy wire are electrically connected with the positive electrode and the negative electrode of the power supply, and the memory alloy wire contracts after being electrified to drive the second locking piece to release the conflict with the first locking piece.
2. An electrically controlled lock according to claim 1, characterised in that: the first locking piece and the second locking piece are both rotationally arranged in the shell, and a first elastic piece for driving the first locking piece to rotate and a second elastic piece for driving the second locking piece to rotate are arranged in the shell; the first locking piece is provided with a rotating arm and a lock tongue, the lock tongue is connected with the rotating arm and is U-shaped, the lock tongue is positioned above the rotating arm, the rotating arm and the second locking piece are arranged in a crossed mode, and a locking cavity used for containing an external buckle is arranged between the rotating arm and the lock tongue; one end of the second locking piece is used for abutting against the rotating arm.
3. An electrically controlled lock according to claim 2, characterised in that: the one end that the second latch fitting is close to the rotor arm is equipped with the arch, the one end that the rotor arm is close to the second latch fitting is equipped with and is used for the bellied cavity of holding.
4. An electrically controlled lock according to claim 3, characterised in that: the upper end of the protrusion is provided with a first cambered surface, and the lower end of the concave cavity is provided with a second cambered surface matched with the first cambered surface.
5. An electrically controlled lock according to claim 2, characterised in that: a linkage rod is rotatably arranged in the shell, one end of the linkage rod is hinged with the shell, the other end of the linkage rod is rotatably connected with the other end of the second locking piece, one end of the memory alloy wire is connected to the middle of the linkage rod, and the other end of the memory alloy wire is connected to the shell; the included angle between the linkage rod and the second locking piece is larger than 90 degrees.
6. An electrically controlled lock according to claim 5, characterised in that: the memory alloy wire is provided with a convex ring at one end close to the second locking piece, the middle part of the linkage rod is provided with a groove matched with the shape of the convex ring, and the convex ring is clamped in the groove.
7. An electrically controlled lock according to claim 5, characterised in that: the one end that the gangbar is close to the second latch fitting is equipped with the projection, the one end of second latch fitting is equipped with the sliding tray with projection matched with, the projection slides and sets up in the sliding tray.
8. An electrically controlled lock according to claim 2, characterised in that: a micro switch is arranged in the shell, and a movable reed of the micro switch is abutted to the rotating arm.
9. An electrically controlled lock according to any one of claims 5 to 8 wherein: first latch fitting, second latch fitting and gangbar are the plastics material.
10. An electrically controlled lock according to any one of claims 1 to 8 wherein: the memory alloy wire is a nickel-titanium alloy wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277610.2U CN209780478U (en) | 2018-12-29 | 2018-12-29 | Electric control lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277610.2U CN209780478U (en) | 2018-12-29 | 2018-12-29 | Electric control lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780478U true CN209780478U (en) | 2019-12-13 |
Family
ID=68791780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277610.2U Active CN209780478U (en) | 2018-12-29 | 2018-12-29 | Electric control lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209780478U (en) |
-
2018
- 2018-12-29 CN CN201822277610.2U patent/CN209780478U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wang Li Assignor: DONGGUAN RUKING AUTOMATION EQUIPMENT TECHNOLOGY CO.,LTD. Contract record no.: X2023980038756 Denomination of utility model: An electric control lock Granted publication date: 20191213 License type: Common License Record date: 20230801 |