CN210141049U

CN210141049U - Induction electronic lock

Info

Publication number: CN210141049U
Application number: CN201920228044.8U
Authority: CN
Inventors: 陈文斐
Original assignee: Guangzhou City Shield Guards Locks Co Ltd
Current assignee: Guangzhou City Shield Guards Locks Co Ltd
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-03-13
Anticipated expiration: 2029-02-20

Abstract

The utility model relates to a tool to lock technical field especially relates to a response electronic lock. The induction electronic lock comprises a lock body shell, a lock tongue, a driving piece, a battery box and a card reading module, wherein the card reading module is in signal connection with the driving piece to control the driving piece to act, the card reading module is arranged adjacent to the battery box and comprises an induction coil used for sensing a card and a main control board used for controlling the driving piece to act, a socket is arranged on the main control board, a contact pin matched with the socket is arranged on the induction coil, and the battery box is connected with the main control board in a welding mode. The battery box is connected with the main control board in a welding mode, the main control board is connected with the induction coil in an opposite insertion mode through the insertion pin and the socket, the arrangement of flat cables between the battery box and the card reading module is avoided, the welding strength is high, port oxidation or poor contact is avoided, meanwhile, the shortest transmission medium is guaranteed among the battery box, the main control board and the induction coil, and transmission loss is reduced.

Description

Induction electronic lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to a response electronic lock.

Background

The electronic induction lock is a common lock in modern society and is widely used in hotels, apartments and other places. The hotel lock bodies on the market are mainly two, namely a lock body without a power supply battery box and a lock body with a power supply battery box. The lock body without the power supply battery box is characterized in that the lock body does not have the battery box, and only can supply power by an external battery box, and the lock body is complex in step, low in efficiency, large in number of connecting wire interfaces and easy to fall off when being installed. The lock body with the power supply battery box is characterized in that a box for containing a battery is arranged above a lock body shell, positive and negative power lines are led out from the battery box and are connected with a card reading module, and after the card reading module reads corresponding card information, the card reading module sends a door opening signal to be transmitted to a driving motor in the lock body to open a door.

If the bulletin number of authorizing is CN203640429U, the china utility model patent that the bulletin date is 2014.06.11 discloses an electronic lock body, this electronic lock body is including lock shell and the side board that is located lock shell one side, is provided with battery case, mainboard box, clutching mechanism subassembly, main spring bolt subassembly and oblique spring bolt subassembly in the lock shell, is provided with battery case battery pole piece spring in the battery case, and the position that corresponds the battery case on the side board is provided with movable battery door, installs the programme-controlled mainboard (the master control board) of control clutching mechanism subassembly in the mainboard box.

When the electronic lock body is used, the lock body and the card reading module are installed in a split mode, the battery box and the program-controlled main board and the clutch mechanism assembly are connected through the flat cable, the flat cable can be pulled when the battery box enters and exits the lock shell, and after the electronic lock body is used for a long time, the problems of port oxidation, poor contact and breakage of the flat cable are easily caused between the battery box and the card reading module.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an induction electronic lock to the problem that the winding displacement port oxidation, bad contact and winding displacement are broken easily appears when solving among the prior art electronic lock long-term use.

The technical scheme of the utility model is that:

the sensing electronic lock comprises a lock body shell, a lock tongue arranged in the lock body shell, a driving piece for driving the lock tongue to act, a battery box arranged in the lock body shell, and a card reading module used for sensing a card, wherein the card reading module is in signal connection with the driving piece to control the driving piece to act, the card reading module is arranged adjacent to the battery box and comprises a sensing coil used for sensing the card and a main control board used for controlling the driving piece to act, a socket is arranged on the main control board, a contact pin matched with the socket is arranged on the sensing coil, and the battery box is connected with the main control board through welding.

The beneficial effects of this technical scheme lie in, through welded connection between battery case and the main control board, be connected through contact pin and socket to inserting between main control board and the induction coil, avoided setting up the winding displacement between battery case and the card reading module, welded intensity is high, avoids port oxidation or contact failure, has guaranteed the shortest transmission medium between battery case, main control board and the induction coil simultaneously, and transmission loss reduces.

The battery box is provided with stand column weld legs, a bonding pad is arranged on the main control board, and the stand column weld legs are connected with the bonding pad in a tin soldering mode. The stand column leg has simple structure and large welding area of the welding pad, and can compensate the alignment error generated during installation.

The battery case is including fixing outer box and the interior box of plug arrangement in outer box on the lock body shell, the inboard of outer box is provided with the electrically conductive piece that is used for when including the box insert outer box in with interior box electricity is connected, the stand leg arrange in the outside of outer box and with electrically conductive piece electricity is connected. The battery case includes outer box and interior box, and the stand leg is arranged on outer box, and the stand leg removes when can avoid interior box in the box plug outside, and connection stability is good.

The conductive piece is an elastic piece. Interior box extrudees the elastic component when inserting outer box to guarantee the contact pressure between elastic component and the interior box, electrically conductive effectual, when interior box was extracted outer box simultaneously, the elastic component exerted elasticity to the interior box, and the box breaks away from outer box in being convenient for.

The conductive piece is a volute spring. The volute spring is simple in structure and convenient to use.

The inner box is provided with a through hole for the volute spring to pass through, and a contact piece used for connecting a battery and electrically connecting the volute spring is arranged in the through hole. The perforation can radially restrain the volute spring to avoid sideslip.

The induction coil comprises a support and a coil body arranged on the support, the support is of a structure shaped like a Chinese character 'ri', the support comprises an outer frame and a cross brace arranged in the middle of the outer frame, and the contact pins are arranged on the cross brace of the support. The structure integration of support and contact pin, occupation space is little.

The driving piece is a motor.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of the induction electronic lock of the present invention;

FIG. 2 is an exploded schematic view of the induction electronic lock of FIG. 1;

FIG. 3 is a schematic view of the structure of the outer case of the battery box of the induction electronic lock of FIG. 1;

FIG. 4 is a schematic view of the outer case and the inner case of the battery case of the induction electronic lock of FIG. 1;

FIG. 5 is a schematic diagram of the battery pack of the inductive electronic lock of FIG. 1 with a battery mounted thereon;

FIG. 6 is a schematic structural diagram of a card reading module of the induction electronic lock of FIG. 1;

FIG. 7 is an enlarged schematic view of a portion of the card reading module of FIG. 6;

FIG. 8 is a schematic diagram of a structure of an induction coil of the card reading module of FIG. 6.

The lock comprises a lock body shell 1, a lock body shell 11, an outer shell 12, an inner lining plate 13, an outer lining plate 14, an avoidance hole 2, a bolt 3, a card reading module 31, an induction coil 32, a main control board 33, a screw fixing column 34, a coil body 35, a support 36, a contact pin 37, a socket 38, a bonding pad 38, a battery box 4, an outer box 41, an inner box 42, a boss 43, a volute spring 44, a battery groove 45, a conductive spring 46, a conductive metal sheet 47 and an upright welding pin 48.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Embodiment 1 of the induction electronic lock of the present invention, as shown in fig. 1 to 8, the induction electronic lock includes a lock body case 1, a lock tongue 2 arranged in the lock body case 1, and a motor (not shown in the figure) for driving the lock tongue 2 to move, the motor forms a driving member for driving the lock tongue 2 to move; the induction electronic lock further comprises a battery box 4 arranged in the lock body shell 1 and a card reading module 3 electrically connected with the battery box 4 and used for sensing a card.

The lock body shell 1 comprises a shell 11, an inner lining plate 12 and an outer lining plate 13 matched with the inner lining plate 12, the shell 11 is integrally of a cubic structure, the inner lining plate 12 is arranged on the side of the induction electronic lock, the bolt 2 is installed in the shell 11, and the inner lining plate 12 and the outer lining plate 13 are respectively provided with an avoiding hole 14 for avoiding the bolt 2. The top of the shell 11 is provided with a battery box 4, the card reading module 3 is arranged adjacent to the battery box 4 to reduce the distance between the card reading module 3 and the battery box 4, and the corresponding position on the lining plate 12 is provided with an embedding opening for embedding the battery box 4.

The battery box 4 comprises an outer box 41 and an inner box 42 which is arranged in the outer box 41 in a plugging and unplugging manner, two bosses 43 are arranged on the outer box 41 at intervals on one side close to the lock shell 1, the bosses 43 are fixedly connected with the lock shell 1 through screws, and the outer box 41 is fixed on the lock shell 1 through screws. Two volute springs 44 are arranged at the bottom of the outer box 41 at intervals, and the volute springs 44 form a conductive member for electrically connecting with the inner box 42. After the inner case 42 is mounted in the outer case 41, the outer liner 13 and the inner liner 12 are connected by screws to retain the inner case 42 in the outer case 41.

The inner case 42 is provided with four battery slots 45 for accommodating batteries, in the present embodiment, the number of the battery slots 45 is four, the two ends of each battery slot 45 are respectively provided with a conductive spring 46 and a conductive metal sheet 47, and the conductive springs 46 and the conductive metal sheets 47 in two adjacent battery slots 45 are electrically connected. The outermost two battery slots 45 of the inner case 42 have through holes for the volute spring 44 to pass through at one end close to the outer case 41, and the conductive spring 46 and the conductive metal sheet 47 form a contact for connecting the battery and the volute spring 44. When the inner box 42 is inserted into the outer box 41, the spiral spring 44 can be radially constrained by the through hole, so that the side slip is avoided, the contact pressure between the spiral spring 44 and the inner box 42 can be increased after the spiral spring 44 is extruded, and the electric conduction effect is good; meanwhile, when the inner case 42 is pulled out of the outer case 41, the spiral spring 44 applies an elastic force to the inner case 42, so that the inner case 42 is separated from the outer case 41.

The lock body shell 1 is provided with a mounting position for mounting the card reading module 3 at the side part of the battery box 4, the card reading module 3 comprises an induction coil 31 for inducing a card and a main control board 32 for controlling the action of a motor, and the main control board 32 is in signal connection with the motor. Four screw fixing columns 33 are arranged on the mounting position, and the main control board 32 is fixed on the screw fixing columns 33 through screws.

Induction coil 31 includes support 35 and arranges the coil body 34 on support 35, support 35 is "day" font structure, support 35 includes the frame and sets up the stull at frame middle part, contact pin 36 has been arranged on induction coil 31's the stull, arrange the socket 37 with contact pin 36 adaptation on the main control board 32, be connected through contact pin 36 and socket 37 between induction coil 31 and the main control board 32, with the length that reduces the transmission medium between induction coil 31 and the main control board 32, reduce transmission loss.

The side of the outer box 41 close to the card reading module 3 is provided with the column leg 48, the column leg 48 and the volute spring 44 are welded for conducting electricity, the main control board 32 is provided with two bonding pads 38 at positions corresponding to the two column legs 48, the two bonding pads 38 correspond to the two column legs 48 one by one, the column legs 48 and the bonding pads 38 are connected through tin soldering, the welding area of the bonding pads 38 is large, and the alignment error of the legs during installation can be made up.

When the induction electronic lock is used, the battery box 4, the card reading module 3 and the lock body shell 1 are integrated into a whole, the outer box 41 and the main control board 32 are respectively fixed on the lock body shell 1 through screws, and welding pins on the outer box 41 are welded with the welding pads 38 of the main control board 32; inserting the inner case 42 into the outer case 41 after the battery is mounted in the inner case 42, inserting the volute spring 44 into a through hole of the inner case 42 and contacting the conductive spring 46 and the conductive metal sheet 47, and compressing the volute spring 44 by the inner case 42 to make a contact pressure between the conductive spring 46 and the conductive metal sheet 47; after the inner box 42 is completely inserted into the outer box 41, the outer lining plate 13 is connected with the inner lining plate 12 through screws, and the outer lining plate 13 stops the inner box 42 in the outer box 41 to prevent the inner box 42 from popping out; the induction electronic lock can be installed on the door leaf only by arranging the hole site of the induction electronic lock and the handle hole site for installing the handle on the door, so that the installation steps are reduced, meanwhile, a flat cable is omitted between the battery box 4 and the card reading module 3, the welding strength is high, port oxidation or poor contact is avoided, meanwhile, the shortest transmission medium is ensured among the battery box 4, the main control board 32 and the induction coil 31, and the transmission loss is reduced.

In other embodiments, a bonding pad may be disposed on the battery box, a leg is disposed on the main control board, and the battery box is welded to the main control board; the outer box of the battery box can be omitted, the inner box of the battery box is fixed on the lock body shell, the stand column welding leg is arranged on the outer side of the inner box, and the end part of the battery box is hinged with a box cover; the conductive piece can also be an elastic cantilever arranged at the inner side of the outer box, and the elastic cantilever is deformed and compressed after being pressed by the inner box so as to generate pressing force with the contact piece; the drive member may also be an electromagnetic drive.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The sensing electronic lock is characterized in that the card reading module is arranged adjacent to the battery box and comprises a sensing coil for sensing the card and a main control board for controlling the action of the driving piece, a socket is arranged on the main control board, a contact pin matched with the socket is arranged on the sensing coil, and the battery box is connected with the main control board in a welding mode.

2. The inductive electronic lock as claimed in claim 1, wherein said battery compartment is provided with a stud fillet, said main control board is provided with a pad, and said stud fillet is soldered to said pad.

3. The inductive electronic lock according to claim 2, wherein said battery compartment comprises an outer compartment fixed to the lock housing and an inner compartment removably arranged in the outer compartment, an inner side of the outer compartment is provided with a conductive member for electrical connection with the inner compartment when the inner compartment is inserted into the outer compartment, and said stud pins are arranged on an outer side of the outer compartment and electrically connected to said conductive member.

4. The inductive electronic lock of claim 3, wherein said conductive member is an elastic member.

5. The inductive electronic lock of claim 4, wherein said conductive member is a volute spring.

6. The inductive electronic lock as claimed in claim 5, wherein said inner case has a through hole for said volute spring to pass through, and a contact member for connecting a battery to electrically connect with said volute spring is disposed in said through hole.

7. The induction electronic lock as claimed in any one of claims 1 to 6, wherein the induction coil comprises a support and a coil body arranged on the support, the support is of a structure like a Chinese character 'ri', the support comprises an outer frame and a cross brace arranged in the middle of the outer frame, and the contact pin is arranged on the cross brace of the support.

8. The inductive electronic lock of any of claims 1 to 6, wherein said drive member is an electric motor.