CN213418762U

CN213418762U - Intelligent lock catch with novel structure

Info

Publication number: CN213418762U
Application number: CN202020479324.9U
Authority: CN
Inventors: 赵卫阳
Original assignee: Zhejiang Pujiang Plum-Blossom Lock Industry
Current assignee: Zhejiang Pujiang Plum-Blossom Lock Industry
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-06-11
Anticipated expiration: 2030-04-03

Abstract

The utility model belongs to the technical field of the tool to lock technique and specifically relates to a novel intelligent hasp of structure. The intelligent lock catch comprises a shell, a buckle which is rotatably connected with the shell and forms a lock ring with the shell, a rotation limiting part which is accommodated in the shell and used for limiting the rotation of the buckle, and a driving mechanism which is used for driving the rotation limiting part from a rotation limiting position to a rotation allowing position, wherein the driving mechanism comprises a memory metal wire, one end of the memory metal wire is connected with the rotation limiting part, and the other end of the memory metal wire is connected with the shell; the memory metal wire is used for being heated, shortened and pulled to the rotation limiting part to the rotation allowing position, and therefore unlocking is achieved. The intelligent lock catch of the utility model is provided with the rotation limiting part, so that the buckle can not be directly rotated manually to open the lock ring, the use is safer, and the practicability is better; and the memory metal wire is used for replacing an electromagnet driving device, so that the driving mode is changed, and the cost is reduced.

Description

Intelligent lock catch with novel structure

Technical Field

The utility model belongs to the technical field of the tool to lock technique and specifically relates to a novel intelligent hasp of structure.

Background

The electronic locks on the market at present mainly have the following categories: a key type electronic lock, a dial type electronic lock, an electronic key type electronic lock, a touch type electronic lock and a biological characteristic type electronic lock. Compared with the traditional mechanical lock, the electronic locks have the characteristics that: safe and reliable operation and strong confidentiality. However, the existing electronic lock is provided with an electromagnet, which not only causes the structure to be complex and increases the production cost, but also requires a power supply with larger power for the working and driving of the electromagnet.

The memory wire can be elongated up to 8% at low temperatures and can recover after heating, but fails after a relatively small number of round-trip (e.g., 100) cycles. For high order round trip reliability to be acceptable, the elongation of the memory wire at low temperature must be kept within a low percentage of its overall length. Generally, the elongation is 5-6%, and the life of the wire can reach tens of thousands of round trips; 3-4%, several hundred thousand times; 2% or less, and millions of times.

Referring to fig. 1, chinese patent publication No. CN100547213 discloses an electromechanical lock using a memory metal wire, which uses one or more memory metal wire segments as "electric-mechanical" transducers. The electronic control circuit injects current into the memory metal line to heat and contract it. The position of the lock gate set by the action of the memory metal wire allows or blocks the movement of the lock bolt influencing unlocking and locking, but the electromechanical lock using the structure realizes unlocking by pulling the lever through the memory metal wire, and the structure is relatively complex; the length of the memory metal wire is limited by the structure, so that the memory metal wire is difficult to achieve the optimal use state.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent lock catch of novel structure has set up the unable direct manual rotation of limit commentaries on classics portion messenger's buckle and has opened the catch, and the security performance is good to this intelligent lock catch simple structure, simple to operate, with low costs, long service life.

In order to achieve the above advantages, the utility model provides an intelligent lock catch with novel structure includes the casing, with this casing rotate be connected and with this casing form the buckle of catch, intelligent lock catch still include hold in this casing be used for restricting the buckle pivoted limit to the portion of commentaries on classics, be used for driving this limit to commentaries on classics from the restriction rotational position to the actuating mechanism who allows the rotational position, actuating mechanism includes the memory metal wire, the one end of memory metal wire with the portion of turning limit is connected, the other end of memory metal wire with the casing is connected; the memory metal wire is used for being heated, shortened and pulled to the rotation limiting part to the rotation allowing position, and therefore unlocking is achieved.

In an embodiment of the present invention, the buckle and the housing respectively have mutually-matched abutting surfaces, and a first elastic reset portion for keeping the abutting surface of the buckle and the abutting surface of the housing in a matching state is provided between the buckle and the housing.

In an embodiment of the present invention, the housing includes an upper housing cover, a lower housing cover, and a mounting frame, and the upper housing cover and the lower housing cover cooperate to form an accommodating space for accommodating the mounting frame.

In an embodiment of the present invention, the mounting frame is rotatably connected with a plurality of support wheels for supporting the memory metal wire to make it contract in a reasonable track and a baffle for preventing the memory metal wire from moving axially in the contraction process to separate from the support wheels.

In an embodiment of the present invention, the rotation limiting portion is a hook-shaped structure, the rotation limiting portion is rotatably connected to the mounting frame, and a second elastic reset portion is provided between the rotation limiting portion and the mounting frame for keeping the rotation portion at the rotation limiting position.

The utility model discloses an in one embodiment, the rotation limiting part has to lean on the buckle side is in order to restrict its pivoted support to protruding, the mounting bracket is equipped with and is used for restricting the spacing arch of rotation limiting part rotation range.

In an embodiment of the present invention, the memory metal wire is connected with a power supply device for driving the memory metal wire to deform, the power supply device includes a power supply module connected with the memory metal wire and a control module for controlling the power supply module to be electrified.

In an embodiment of the present invention, the power supply module includes a battery, two ends of the memory metal wire are respectively connected to the positive electrode and the negative electrode of the battery, and the battery and the memory metal wire form an electric circuit; the electric circuit is provided with a switch which enables the electric circuit to be connected or disconnected, and the switch is electrically connected with the control module; when the electric loop is conducted, the memory metal wire is heated and shortened; and when the electric loop is disconnected, the memory metal wire is cooled to recover the length.

The utility model discloses an embodiment, control module includes information acquisition portion and verification information portion, verification information portion is used for coming from information acquisition portion's unlocking information compares with the settlement information, verifies through then control the switch switches on circuit a period.

The utility model discloses an embodiment, information acquisition portion is one or several kinds in bluetooth antenna, code keypad, fingerprint sensor, the data interface.

The utility model discloses in, intelligence hasp has set up the unable direct manual rotation of limit commentaries on classics portion messenger buckle and has opened the catch, uses safelyr, and the practicality is better.

In the utility model, the rotation limiting part utilizes the memory metal wire to replace the conventional electromagnet driving device, thereby changing the driving mode, reducing the cost, only needing a small driving power supply and prolonging the service life of the battery; the length of the memory metal wire is longer through the support of the support wheel, so that the memory metal wire is more easily stretched and kept below 2% of the total length of the memory metal wire and is contracted along a reasonable track, and the service life of the lock catch is prolonged.

The utility model discloses an in the embodiment, set up on the supporting wheel and keep off the baffle that the ring replaced setting on the mounting bracket in order to prevent that memory metal wire from breaking away from the supporting wheel at shrink in-process axial motion, reduced the processing degree of difficulty of mounting bracket, convenient production.

Drawings

Fig. 1 is a schematic structural diagram of a conventional electromechanical lock using a memory metal wire, which uses one or more memory metal wire segments as an "electromechanical" transducer.

Fig. 2 is a schematic structural diagram of the intelligent lock catch according to the first embodiment of the present invention.

Fig. 3 is an exploded view of the smart boot of fig. 2.

Fig. 4 is a schematic structural diagram of a mounting rack of the smart buckle of fig. 3.

Fig. 5 is a schematic structural view of the rotation limiting portion of the smart lock of fig. 3.

Fig. 6 is a schematic structural diagram of a driving mechanism of the smart lock of fig. 3.

Fig. 7 is a schematic view illustrating a state where the rotation restricting portion of the smart lock of fig. 2 is located at a rotation restricting position.

Fig. 8 is a schematic view illustrating a state where the rotation restricting portion of the smart lock of fig. 2 is in a rotation allowing position.

Fig. 9 is a schematic structural view of a supporting wheel of an intelligent lock according to a second embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.

Referring to fig. 2-3, the intelligent lock catch with a novel structure according to the first embodiment of the present invention includes a housing 1, a buckle 2 rotatably connected to the housing 1 and forming a locking ring with the housing 1, a rotation limiting portion 3 accommodated in the housing 1 for limiting the rotation of the buckle 2, and a driving mechanism 4 for driving the rotation limiting portion 3 from a rotation limiting position to a rotation allowing position.

The driving mechanism 4 includes a memory metal wire 41, one end of the memory metal wire 41 is connected to the rotation restricting portion 3, and the other end of the memory metal wire 41 is connected to the housing 1. The memory wire 41 is used to be heated to shorten the pull rotation limiter 3 to a rotation-permitting position to effect unlocking (i.e., to permit the buckle 2 to rotate counterclockwise to open the lock ring).

The buckle 2 and the housing 1 have mutually cooperating

abutment surfaces

21, 11, respectively, which form a closed locking ring when the abutment surfaces 21 of the buckle 2 and the abutment surfaces 11 of the housing 1 are mutually in abutting engagement. At the same time, the abutment surface 11 of the housing 1 also serves to prevent the catch 2 from rotating clockwise to open the catch ring. A first elastic reset portion t1 for keeping the abutting surface of the buckle 2 and the abutting surface of the shell 1 in a matching state is arranged between the buckle 2 and the shell 1.

The lock ring is arranged at the upper part of the housing 1, and the lower part of the housing 1 is provided with a hanging hole 12. The housing 1 includes an upper housing cover 101, a lower housing cover 102, and a mounting frame 103, wherein the upper housing cover 101 and the lower housing cover 102 cooperate to form an accommodating space for accommodating the mounting frame 103. The lower housing cover 102 is provided with a positioning column 102a, and the upper housing cover 101 is provided with a positioning groove 101a matched with the positioning column 102 a. In other embodiments of the present invention, the upper and lower covers can be fixed by screws, buckles, etc.

Referring to fig. 4, the mounting frame 103 is rotatably connected with a plurality of support wheels 5 for supporting the memory wire 41 to be contracted in a reasonable trajectory and a baffle plate 103a for preventing the memory wire 41 from moving axially away from the support wheels 5 during the contraction.

Referring to fig. 5, the rotation limiting portion 3 is in a hook-shaped structure, the rotation limiting portion 3 is rotatably connected to the mounting frame 103, and a second elastic restoring portion t2 for keeping the rotation limiting portion 3 at the rotation limiting position is provided between the rotation limiting portion 3 and the mounting frame 103. The rotation limiting part 3 has an abutting projection 31 abutting against the side surface of the buckle 2 to limit the rotation thereof, and the mounting bracket 103 is provided with a limiting projection 103b for limiting the rotation range of the rotation limiting part 3.

Referring to fig. 6, two ends of the memory metal wire 41 are respectively connected with a fixing ring 411, the mounting frame 103 and the rotation limiting portion 3 are respectively provided with a mounting post 103c and a mounting post 32 for connecting the fixing ring 411, when mounting, only the fixing ring 411 is required to be respectively sleeved outside the mounting post 103c and the mounting post 32, and the mounting is convenient and labor-saving. In other embodiments of the present invention, the

mounting posts

103c, 32 may be made of conductive material, such as copper posts.

The memory wire 41 is connected to a power supply device 6 for driving the memory wire to deform. The power supply device 6 includes a power supply module connected to the memory metal wire 41 and a control module for controlling the power-on duration of the power supply module. The power supply time period of the power supply module can be set by the control module, for example, the power supply time period is set to 0.1 second, that is, the power supply module is powered off after being powered on for 0.1 second.

The power supply module includes a battery, and the mounting frame 103 is provided with a battery slot 103d for mounting the battery. The two ends of the memory metal wire 41 are respectively connected with the positive electrode and the negative electrode of the battery, and the battery and the memory metal wire 41 form an electric loop. The electric loop is provided with a switch which enables the electric loop to be connected or disconnected, and the switch is electrically connected with the control module.

When the electric circuit is turned on, the memory metal wire 41 is heated and then the pull rotation restricting portion 3 is shortened to rotate to the rotation permitting position. When the electric circuit is opened, the memory metal wire 41 is cooled to restore the length, and the rotation restricting portion 3 is reset by the urging force of the second elastic reset portion t 2.

In other embodiments of the present invention, the two ends of the memory metal wire 41 can be connected to the positive electrode and the negative electrode of the external power source through wires respectively.

The control module comprises an information acquisition part 62 and a verification information part, wherein the verification information part is used for comparing unlocking information from the information acquisition part 62 with set information, and if the verification is passed, the control switch is controlled to conduct a circuit for a period of time. The control module is also connected with a prompter for prompting the padlock state of a user.

The information acquisition part 62 is one or more of a bluetooth antenna, a password keyboard, a fingerprint sensor and a data interface. In the present embodiment, the information collecting part 62 is a fingerprint sensor 621 and a data interface 622. The fingerprint sensor 621 and the data interface 622 are fixed on the mounting frame 103. The data interface 622 may be used to connect power supply battery charging and/or to connect external device setup verification information.

Preferably, the first and second elastic restoring portions t1 and t2 are torsion springs.

Referring to fig. 7-8, in use, after the user passes the verification, the electrical circuit is turned on to heat the memory metal wire 41 and then shorten the pulling rotation-limiting portion 3 to the rotation-allowable position, and the prompter prompts, at this time, the user can press the buckle 2 to rotate it counterclockwise to open the lock ring. When the pressing is stopped, the latch 2 closes the latch ring by the urging force of the first elastic restoring portion t 1.

When the electric circuit is disconnected, the memory metal wire 41 is cooled to recover the length, the rotation limiting part 3 is reset under the action of the second elastic reset part t2, and returns to the rotation limiting position to limit the rotation of the buckle 2.

Please refer to fig. 9, in the intelligent lock catch with the novel structure according to the second embodiment of the present invention, the retaining ring 51 can be disposed on the supporting wheel 5 to replace the retaining plate 103a disposed on the mounting bracket 103, so as to reduce the processing difficulty of the mounting bracket 103 and facilitate the production.

The utility model discloses in, intelligence hasp has set up the unable direct manual rotation of limit commentaries on classics portion messenger buckle and has opened the catch, and the security performance is good to use safer, and the practicality is better.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims

1. An intelligent lock catch with a novel structure comprises a shell and a buckle which is rotatably connected with the shell and forms a lock ring with the shell, and is characterized by further comprising a rotation limiting part which is accommodated in the shell and used for limiting the rotation of the buckle, and a driving mechanism which is used for driving the rotation limiting part to rotate from a rotation limiting position to a rotation allowing position, wherein the driving mechanism comprises a memory metal wire, one end of the memory metal wire is connected with the rotation limiting part, and the other end of the memory metal wire is connected with the shell; the memory metal wire is used for being heated, shortened and pulled to the rotation limiting part to the rotation allowing position, and therefore unlocking is achieved.

2. The intelligent lock catch according to claim 1, wherein the buckle and the housing respectively have mutually cooperating abutting surfaces, and a first elastic reset portion is provided between the buckle and the housing for keeping the abutting surfaces of the buckle and the housing in a cooperating state.

3. The smart latch of claim 1 wherein the housing comprises an upper housing cover, a lower housing cover, and a mounting bracket, wherein the upper housing cover and the lower housing cover cooperate to form an accommodating space for accommodating the mounting bracket.

4. The intelligent lock catch according to claim 3, wherein the mounting bracket is rotatably connected with a plurality of support wheels for supporting the memory metal wire to be contracted in a reasonable track and a baffle for preventing the memory metal wire from axially moving to be separated from the support wheels in the contraction process.

5. The intelligent lock catch according to claim 3, wherein the rotation limiting portion is of a hook-shaped structure, the rotation limiting portion is rotatably connected to the mounting frame, and a second elastic reset portion for keeping the rotation limiting portion in a rotation limiting position is arranged between the rotation limiting portion and the mounting frame.

6. The smart latch of claim 5 wherein the rotation-limiting portion has an abutting protrusion abutting against the side surface of the buckle to limit the rotation thereof, and the mounting bracket is provided with a limiting protrusion for limiting the rotation range of the rotation-limiting portion.

7. The intelligent lock catch according to claim 6, wherein the memory metal wire is connected with a power supply device for driving the memory metal wire to deform, and the power supply device comprises a power supply module connected with the memory metal wire and a control module for controlling the power-on duration of the power supply module.

8. The intelligent lock according to claim 7, wherein the power supply module comprises a battery, two ends of the memory metal wire are respectively connected to the positive electrode and the negative electrode of the battery, and the battery and the memory metal wire form an electric circuit; the electric circuit is provided with a switch which enables the electric circuit to be connected or disconnected, and the switch is electrically connected with the control module; when the electric loop is conducted, the memory metal wire is heated and shortened; and when the electric loop is disconnected, the memory metal wire is cooled to recover the length.

9. The intelligent lock catch according to claim 8, wherein the control module comprises an information acquisition part and a verification information part, the verification information part is used for comparing unlocking information from the information acquisition part with setting information, and the switch is controlled to conduct the electric circuit for a period of time if verification is passed.

10. The intelligent lock according to claim 9, wherein the information acquisition part is one or more of a bluetooth antenna, a password keyboard, a fingerprint sensor and a data interface.