CN216741070U - Memory metal electronic lock - Google Patents

Abstract

The utility model discloses a memory metal electronic lock, it includes: the electronic lock comprises an electronic lock body, a lock catch elastic arm, a memory metal wire, an electric power bolt and a reset elastic arm, wherein the lock catch elastic arm, the electric power bolt and the reset elastic arm are arranged on the electronic lock body, the memory metal wire is fixed on the electric power bolt, one end of the memory metal wire is connected with the lock catch elastic arm, one end of the memory metal wire is connected with an external power supply through a power line, the electronic lock body is provided with a lock catch slot, the lock catch is inserted into the electronic lock body through the lock catch slot, and whether the memory metal wire deforms or not is controlled by controlling the current of the external power supply, so that the lock catch elastic arm is buckled or opened with the lock catch. The utility model discloses the structure is retrencied, easy dismounting, and manufacturing cost and power consumption are with low costs, and the practicality is strong.

Description

A memory metal electronic lock

technical field

The utility model relates to the technical field of electronic locks, in particular to a memory metal electronic lock.

Background technique

With the continuous development of society and the continuous progress of scientific level, electronic locks are widely used in vending machines, express cabinets, lockers and other fields. At the same time, memory metal is an alloy with the function of "memory" shape, with One-way memory effect, two-way memory effect and whole-course memory effect are widely used in springs, binding posts, self-operated temperature control switches and other scenarios.

In the prior art, the lock itself of the existing electronic lock is a mechanical blocking mechanism, and the unlocking process is completed by mechanical action. The way to realize the unlocking action is to drive an electromagnet or a small motor to open the latch by outputting an electrical signal. unlocking process. The power consumed by the electronic lock depends on the power consumed by the electromagnet or small motor. However, due to the complex structure of traditional electronic locks, the high cost of manufacturing and electricity consumption of electronic locks is gradually eliminated. Those in the art apply memory metal wires to electronic locks, but the existing memory metal electronic locks still have complex structures. , There are many assembly parts, and the manufacturing cost is high.

Therefore, a memory metal electronic lock is urgently needed in the market to solve this problem.

Utility model content

Aiming at the deficiencies in the prior art, the utility model proposes a memory metal electronic lock, which has a simplified structure, convenient disassembly and assembly, low production cost and power consumption cost, and strong practicability.

To achieve the above object, the present invention adopts the following technical scheme:

A memory metal electronic lock, comprising: an electronic lock body, a lock, a lock elastic arm, a memory wire, a power bolt and a reset elastic arm, wherein the lock elastic arm, the power bolt and the reset elastic arm are arranged on the electronic lock On the main body, the memory wire is fixed on the power bolt, one end of the memory wire is connected to the locking spring arm, and one end of the memory wire is connected to an external power supply through a power cord, and the electronic lock body A lock slot is provided, the lock is inserted into the electronic lock body through the lock slot, and whether the memory wire is deformed by controlling whether the current of the external power supply is present or not is controlled, and then the lock elastic arm is controlled to be engaged with the lock or not. Open.

As a further elaboration on the above technical solutions:

In the above technical solution, the electronic lock body, the locking elastic arm and the reset elastic arm are integrally formed, one end of the locking elastic arm is fixed on the inner wall of the electronic lock body, and the other end of the locking elastic arm is provided with There is a buckle point, the lock buckle is provided with a buckle slot that matches the buckle point, the reset elastic arm is located on one side of the lock buckle spring arm, and the lock buckle slot is located between the lock buckle spring arm and the reset spring arm In between, when the lock is inserted into the lock slot, the buckle point of the lock elastic arm is buckled inside the buckle groove of the lock, and the end of the lock is against the reset elastic arm, so that the reset elastic arm is in a compressed and stressed state. .

In the above technical solution, the power bolt includes a first power bolt and a second power bolt, the first power bolt is disposed on the electronic lock body, and the second power bolt is disposed on the lock spring arm and located in the lock One end of the memory wire is fixed on the first power bolt through the conductive sheet, and the other end of the memory wire is fixed on the second power bolt through the conductive sheet.

In the above technical solution, the power cord includes a positive power cord and a negative power cord, one end of the positive power cord is fixed on the first power bolt through a conductive sheet and is electrically connected to the memory wire, and the positive power cord has an end. The other end is electrically connected to the positive pole of the external power supply, one end of the negative power cord is fixed on the second power bolt through the conductive sheet and is electrically connected to the memory wire, and the other end of the negative power cord is electrically connected to the negative pole of the external power supply , the memory wire, the positive power line, the negative power line and the external power supply form a current loop.

In the above technical solution, the electronic lock body is provided with a transmission bolt, the transmission bolt includes a first transmission bolt and a second transmission bolt, and the first transmission bolt and the second transmission bolt are used to memorize the bearing limit of the wire. When the external power supply is discharged, it transmits current to the memory wire, and the memory wire increases the temperature of the memory wire due to the heating effect of the current, causing the length of the memory wire to shrink, thereby driving the lock spring arm to deform, thereby making the buckle point Disengaged from the buckle slot, the reset spring arm resets due to physical characteristics and ejects the lock buckle out of the lock buckle slot.

In the above technical solution, the memory metal wire is a nickel-titanium wire.

In the above technical solution, the electronic lock body is installed on the cabinet body, and the lock catch is installed on the cabinet door.

In the above technical solution, the locking elastic arm and the reset elastic arm are elastic plastic parts.

In the above technical solution, a power cord limiting hole is provided on one side of the electronic lock body, and a power cord member is provided inside the electronic lock body, and the power cord member includes a first power cord member and a second power cord. A positive power cord limiting slot is formed between the first power cord and the second power cord, and a negative power cord is formed between the second power cord and the third power cord Limit slot, the positive power cord is clamped in the limit slot of the positive power cord and is connected to the positive pole of the external power supply through the power cord limit hole, and the negative power cord is clamped in the limit slot of the negative power cord and passed through Connect to the negative pole of the external power supply through the limit hole of the power cord.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, the structure is novel and the design is reasonable. The current signal of the metal wire is memorized to change the buckle relationship between the lock spring arm and the lock, and the function of automatic opening and locking of the cabinet door and the cabinet is realized. The structure is simplified and the disassembly and assembly are convenient. Low cost and operating electricity cost, and strong practicability.

In order to more clearly illustrate the structural features, technical means and the specific purposes and functions achieved by the present utility model, the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Figure 2 is a schematic cross-sectional view of the electronic lock body and the lock when locked;

FIG. 3 is a schematic cross-sectional view of the electronic lock body and the lock catch when they are unlocked.

Detailed ways

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the indicated position or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

As shown in Figures 1-3, a memory metal electronic lock includes: an electronic lock body 1, a lock 2, a lock spring arm 3, a memory wire 4, a power bolt 5 and a reset spring arm 6. The lock The snap arm 3 , the power bolt 5 and the reset snap arm 6 are arranged on the electronic lock body 1 , the memory wire 4 is fixed on the power bolt 5 , and one end of the memory wire 4 is connected with the lock snap arm 3 , one end of the memory wire 4 is connected to an external power supply through a power cord 7, the electronic lock body 1 is provided with a lock slot 11, and the lock 2 is inserted into the electronic lock body 1 through the lock slot 11, Whether the memory wire 4 is deformed can be controlled by controlling whether the current of the external power supply is present or not, and then the latch spring arm 3 and the latch 2 can be controlled to be engaged or opened.

As a further improvement of the present invention, the electronic lock body 1 , the lock elastic arm 3 and the reset elastic arm 6 are integrally formed, and one end of the lock elastic arm 3 is fixed on the inner wall of the electronic lock body 1 . The other end of the buckle arm 3 is provided with a buckle point 31 , the lock buckle 2 is provided with a buckle groove 21 which is adapted to the buckle point 31 , and the reset spring arm 6 is located on one side of the lock buckle spring arm 3 , so The lock buckle slot 11 is located between the lock buckle elastic arm 3 and the reset spring arm 6. When the lock buckle 2 is inserted into the lock buckle slot 11, the buckle point 31 of the lock buckle spring arm 3 is fastened to the buckle groove of the lock buckle 2. 21, and the end of the lock catch 2 abuts the reset elastic arm 6 so that the reset elastic arm 6 is in a compressed and stressed state.

As a further improvement of the present invention, the power bolt 5 includes a first power bolt 51 and a second power bolt 52 , the first power bolt 51 is provided on the electronic lock body 1 , and the second power bolt 52 is provided on the electronic lock body 1 . The locking elastic arm 3 is located on one side of the buckle point 31, one end of the memory wire 4 is fixed on the first power bolt 51 through the conductive sheet, and the other end of the memory wire 4 is fixed on the first power bolt 51 through the conductive sheet. Two power bolts 52 on.

As a further improvement of the present invention, the power cord 7 includes a positive power cord 71 and a negative power cord 72. One end of the positive power cord 71 is fixed on the first power bolt 51 through a conductive sheet and electrically connected to the memory wire 4 The other end of the positive power cord 71 is electrically connected to the positive pole of the external power supply, and one end of the negative power cord 72 is fixed on the second power bolt 52 through a conductive sheet and is electrically connected to the memory wire 4, and the negative The other end of the power cord 72 is electrically connected to the negative pole of the external power supply, and the memory wire 4 , the positive power cord 71 , and the negative power cord 72 form a current loop with the external power supply.

As a further improvement of the present invention, the electronic lock body 1 is provided with a transmission bolt 12, the transmission bolt 12 includes a first transmission bolt and a second transmission bolt, and the first transmission bolt and the second transmission bolt are used for memory The bearing limit of the metal wire 4, when the external power supply is discharged, the external power supply transmits current to the memory wire 4, and the memory wire 4 increases the temperature of the memory wire 4 due to the heating effect of the current. Due to the physical properties of the memory wire 4 , the length of the memory wire 4 is shortened, thereby driving the lock spring arm 3 to deform, thereby making the card point out of the buckle slot 21 , and the reset spring arm 6 resets the lock buckle 2 out of the lock buckle slot 11 due to physical properties.

As a further improvement of the present invention, the memory wire 4 is a nickel-titanium wire.

As a further improvement of the present invention, the locking elastic arm 3 and the reset elastic arm 6 are elastic plastic parts.

As a further improvement of the present invention, one side of the electronic lock body 1 is provided with a power cord limiting hole 13 , and the electronic lock body 1 is internally provided with a power cord piece, and the power cord piece includes a first power cord piece , a second power cord and a third power cord, a positive power cord limiting slot is formed between the first power cord and the second power cord, the second power cord and the third power cord A negative power cord limiting slot is formed between the two, the positive power cord 71 is clamped in the positive power cord limiting slot and is connected to the positive electrode of the external power supply through the power cord limiting hole 13, and the negative power cord 72 is clamped in the The negative power line limiting slot is connected to the negative electrode of the external power supply through the power line limiting hole 13 .

As a further improvement of the present invention, the electronic lock body 1 is installed on the cabinet body, and the lock catch 2 is installed on the cabinet door.

In this embodiment, when the cabinet door is closed, the lock catch 2 on the cabinet door slowly enters the lock catch slot 11, so as to lift the lock catch elastic arm 3. When the cabinet door is closed, the lock catch of the elastic arm 3 is locked. 31 rebounds, so as to be locked with the buckle groove 21 of the lock buckle 2, and at the same time, the end of the lock buckle 2 presses against the reset elastic arm 6, so that the reset elastic arm 6 is in a compressed and stressed state.

In this embodiment, when the door is to be opened, an electrical signal from an external power supply is given, and the external power supply energizes the power cord 7 to energize the nickel-titanium wire. The nickel-titanium wire will shrink due to the heating of the current. The titanium wire pulls the lock spring arm 3, thereby driving the lock spring arm 3 to deform, thereby making the card point out of the buckle slot 21, and the reset spring arm 6 resets the lock buckle 2 out of the lock buckle slot 11 due to its physical characteristics, and the cabinet door is reset. It is also pushed open, so as to realize the automatic opening function of the cabinet and the cabinet door.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments according to the technology of the present utility model still belong to the present utility model. within the scope of new technical solutions.

Claims (9)

1. A memory metal electronic lock is characterized in that, it comprises: electronic lock body, lock, lock spring arm, memory wire, power bolt and reset spring arm, described lock spring arm, power bolt and reset The elastic arm is arranged on the electronic lock body, the memory wire is fixed on the power bolt, one end of the memory wire is connected with the lock elastic arm, and one end of the memory wire is connected with the external power supply through the power cord , the electronic lock body is provided with a lock catch slot, the lock catch is inserted into the electronic lock body through the lock catch slot, and by controlling whether the current of the external power supply is present or not, the memory wire is controlled to be deformed, and then the lock catch elastic arm is controlled Snap in or open with the clasp. 2 . The metal electronic lock with memory according to claim 1 , wherein the electronic lock body, the locking elastic arm and the reset elastic arm are integrally formed, and one end of the locking elastic arm is fixed to the electronic lock body. 3 . On the inner wall of the device, the other end of the lock elastic arm is provided with a buckle point, the lock buckle is provided with a buckle groove matching the buckle point, and the reset elastic arm is located on one side of the lock elastic arm, so The lock buckle slot is located between the lock buckle elastic arm and the reset spring arm. When the lock buckle is inserted into the lock buckle slot, the buckle point of the lock buckle spring arm is buckled inside the buckle groove of the lock buckle, and the end of the lock buckle is fastened. Press the reset spring arm to make the reset spring arm in a compressed and stressed state. 3 . The memory metal electronic lock according to claim 2 , wherein the power bolt comprises a first power bolt and a second power bolt, the first power bolt is arranged on the electronic lock body, and the The second power bolt is arranged on the locking elastic arm and is located on one side of the buckle point, one end of the memory wire is fixed on the first power bolt through the conductive sheet, and the other end of the memory wire is fixed on the first power bolt through the conductive sheet on the second power bolt. 4 . The memory metal electronic lock according to claim 3 , wherein the power cord includes a positive power cord and a negative power cord, and one end of the positive power cord is fixed on the first power bolt through a conductive sheet. 5 . It is electrically connected to the memory wire, the other end of the positive power cord is electrically connected to the positive pole of the external power supply, and one end of the negative power cord is fixed on the second power bolt through the conductive sheet and is electrically connected to the memory wire, so The other end of the negative power cord is electrically connected to the negative electrode of the external power supply, and the memory wire, the positive power cord, and the negative power cord form a current loop with the external power supply. 5 . A memory metal electronic lock according to claim 4 , wherein the electronic lock body is provided with a transmission bolt, the transmission bolt comprises a first transmission bolt and a second transmission bolt, the first transmission bolt is 5 . The bolt and the second transmission bolt are used for the bearing limit of the memory wire. When the external power supply discharges, the current is transmitted to the memory wire. The memory wire increases the temperature of the memory wire due to the heating effect of the current, and the length of the memory wire shrinks. , so as to drive the elastic arm of the lock to deform, so that the buckle point is separated from the groove, and the reset elastic arm is reset due to the physical properties to eject the lock from the slot of the lock. 6 . The memory metal electronic lock according to claim 1 , wherein the memory metal wire is a nickel-titanium wire. 7 . 7 . The memory metal electronic lock according to claim 1 , wherein the electronic lock body is installed on the cabinet body, and the lock catch is installed on the cabinet door. 8 . 8 . The memory metal electronic lock according to claim 1 , wherein the locking elastic arm and the reset elastic arm are elastic plastic parts. 9 . 9 . The memory metal electronic lock according to claim 4 , wherein a power cord limiting hole is provided on one side of the electronic lock body, a power cord member is provided inside the electronic lock body, and the electronic lock body is provided with a power cord. 10 . The power cord includes a first power cord, a second power cord and a third power cord, a positive power cord limiting slot is formed between the first power cord and the second power cord, and the second power cord A negative power cord limiting slot is formed between the wire piece and the third power cord piece, and the positive power cord is clamped in the positive power cord limiting slot and connected to the positive pole of the external power supply through the power cord limiting hole. The negative power line is clamped in the limit slot of the negative power line and is connected to the negative electrode of the external power supply through the limit hole of the power line.

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