CN204357211U - electromagnetic drive type electronic lock - Google Patents

Abstract

The utility model relates to an electromagnetic-driven electronic lock, which is designed aiming at solving the technical problem of the poor design of the opening structure of the electromagnet-driven handle in the existing similar products. There is a handle in the handle groove on one side of the base of the electronic lock, one end of the handle is connected with the steel bolt through a rotating shaft, the other end is provided with a lock assembly, and a card reader is provided in the handle; the pressure plate on the other side of the base is provided with An electromagnet assembly and a circuit board assembly; the main point is that the base in the pressure plate is provided with a lock body bolt, the electromagnet side of the lock body bolt is provided with an open latch opening, and one end of the electromagnet latch of the electromagnet assembly is provided with a ring The card slot, the ring-shaped slot of the electromagnet latch is snap-connected with the latch opening of the lock body latch; the outer end of the electromagnet latch of the electromagnet assembly is provided with a spring, and the two ends of the spring respectively resist the electromagnet latch and the metal frame; the lock head The short deadbolt of the component is opposite to the U-shaped groove of the lock body bolt, and the latch opening of the lock body bolt is arranged at the bottom of the U-shaped groove. It is suitable for use as a door lock with electronic lock in electrical cabinet doors.

Description

Solenoid driven electronic lock

technical field

The utility model relates to a cabinet door lock, which is an electromagnetic-driven electronic lock.

Background technique

The electronic lock is an electronic product or lock product that accesses the control system by swiping the card, thereby controlling the closing of the mechanical switch, and completing the tasks of unlocking and locking. There are various types and structures, including simple circuit products and chip-based products with high cost performance; among them, the control equipment cabinets in the electrical field use electronic locks instead of traditional mechanical combination locks to improve their security. However, some existing ordinary electromagnetic-driven electronic locks adopt a straight rod latch structure. Because the latch body is relatively long, the latch hole in the base matched with it requires a small gap to prevent radial displacement. The support surface of the relative movement of the latch hole will have the uncertainty of the cumulative error, so it is easy to cause the latch phenomenon, resulting in low assembly production efficiency, frequent manual correction of the latch hole, low production efficiency, and poor product stability. This type of electronic lock, such as the application number 201320375563.X disclosed in the Chinese patent literature, the date of authorization announcement 2014.01.15, the name of the utility model "double lock core electronic lock"; Bolt, and the electronic lock assembly and mechanical lock assembly installed in the handle to control the handle to be locked in the base. The design point is that the electronic lock assembly and the mechanical lock assembly are arranged side by side in the handle. Cylinder cover, the lock cylinder cover is fixed on the handle, the electronic lock cylinder is equipped with an electromagnet to control its locking with the lock cylinder cover, the end of the electronic lock cylinder is provided with a waist-shaped lock part that is locked with the base when rotating, and the mechanical lock assembly includes The mechanical lock cylinder and the latch body that is connected to the end of the mechanical lock cylinder and slides directionally with the rotation of the mechanical lock cylinder. When the mechanical lock cylinder rotates to the open position, the mechanical lock cylinder drives the latch body linkage electromagnet to release the electronic lock cylinder and the lock cylinder sleeve. of the lock.

Contents of the invention

In order to overcome the above-mentioned shortcomings, the purpose of this utility model is to provide an electromagnetically driven electronic lock in the field, so as to solve the technical problem of poor design of the opening structure of the electromagnetically driven handle in the existing similar products. Its purpose is achieved through the following technical solutions.

An electromagnetically driven electronic lock, a handle is provided in a handle slot on one side of the base of the electronic lock, one end of the handle is connected to a steel bolt through a rotating shaft, a lock head assembly is provided at the other end of the handle, and a card reader is provided in the handle; The pressure plate on the other side of the base is equipped with an electromagnet assembly and a circuit board assembly. The circuit board assembly leads out of the pressure plate through a connector, and the handle guides light through a light guide column. The electromagnet assembly includes an electromagnet, a spring, an electromagnet latch, an enameled wire , plastic skeleton, metal frame, tail cone; that is, open the electromagnet assembly in the electronic lock, and then turn out the handle in the base, turn the handle, and the handle drives the steel bolt to rotate to open the electronic lock. The main points of its structural design are that the base in the pressure plate is provided with a lock body bolt, the side of the electromagnet bolt of the lock body bolt is provided with an open latch opening, one end of the electromagnet latch of the electromagnet assembly is provided with a ring-shaped slot, and the electromagnet bolt The ring groove of the lock body is snapped connected with the latch of the lock body bolt. The electronic lock adopts the segmented device of the latch body, that is, through the buckle connection and transmission of the electromagnet latch and the lock body latch, it realizes self-positioning, thereby eliminating the uncertain factors of the cumulative error of the support surface caused by machining or temperature changes, and making the lock The body bolt can move smoothly in the hole of the base bolt. At the same time, due to the use of the segmented buckle mechanism, the phenomenon of the latch body and the latch hole of the base latch being stuck due to accumulated errors is effectively avoided.

The electromagnet of the electromagnet assembly includes enameled wire, plastic skeleton, electromagnet latch and tail cone in turn. The outer end of the electromagnet latch is provided with a spring, and the two ends of the spring are respectively against the lock body latch and the metal frame. On the other end of the electromagnet latch, the tail cone and the electromagnet latch are matched through a taper angle, and the electromagnet assembly is fixed on the base with screws. The taper angle matching method between the tail cone and the electromagnet latch, and the use of a traction electromagnet, effectively increase the long-distance strong attraction; at the same time, the electromagnet latch and the lock body latch are kept connected through the spring, and the screw on the base Metal frame for easy positioning and mounting of solenoid assemblies.

The card reader in the handle is provided with a card reader shell, the card reader shell is snapped connected with the base, the light guide column is inserted into the handle, the light guide post is snapped connected with the handle, the lock body latch and the circuit board assembly are respectively snapped with the base connect. The above-mentioned components are connected by buckle assembly, which effectively improves the precision of assembly and cooperation of the electronic lock and the speed of tooling.

The deadbolt of the lock head assembly is opposite to the U-shaped groove of the lock body bolt, and the latch opening of the lock body bolt is arranged at the bottom of the U-shaped groove. Thereby the electromagnet latch of the electromagnet assembly drives the lock body latch to disengage from the short dead bolt of the lock end, and the pulling handle is turned out of the handle in the base. The above is an embodiment of the deadbolt of the lock body bolt and lock head assembly, and other existing methods can also be used.

The utility model has reasonable structural design, convenient use and assembly, good stability and safety, and long service life; it is suitable for use as a door lock with an electronic lock in the door of an electric cabinet, and as a structural improvement of similar products.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of the utility model.

Fig. 2 is a schematic diagram of the internal three-dimensional structure of the open state of the pressing plate in Fig. 1, the pressing plate is omitted in the figure, and part A is framed.

FIG. 3 is a schematic diagram of an enlarged structure of part A of FIG. 2 .

Fig. 4 is a schematic diagram of the three-dimensional structure of the handle side of the utility model, in which the light guide column adopts a snap-fit assembly.

Fig. 5 is a schematic structural diagram of the clasp assembly state of the card reader shell of the present invention.

Fig. 6 is a structural schematic diagram of the buckled assembly state of the circuit board assembly and the electromagnet assembly of the present invention, in which the pressing plate is omitted.

Accompanying drawing sequence number and name: 1, electromagnet, 2, spring, 3, electromagnet bolt, 4, lock body bolt, 5, enameled wire, 6, plastic skeleton, 7, metal frame, 8, tail cone, 9, steel bolt , 10, circuit board assembly, 11, connector, 12, pressure plate, 13, base, 14, handle, 15, lock assembly, 16, card reader, 1601, card reader shell, 17, light guide column, 18, rotating shaft .

Detailed ways

Now in conjunction with accompanying drawing, the utility model structure and use are further described. As shown in Figures 1 to 6, the electronic lock includes a lock body bolt 4, a steel bolt 9, a connector 11, a pressure plate 12, a base 13, a handle 14, a card reader 16, a light guide column 17, a rotating shaft 18, and an electromagnet. assembly, circuit board assembly 10, lock head assembly 15; wherein the electromagnet assembly includes an electromagnet 1, a spring 2, an electromagnet latch 3, an enameled wire 5, a plastic skeleton 6, a metal frame 7, and a tail cone 8. Its specific structure is as follows: a handle is provided in the handle groove on one side of the base, one end of the handle is connected to the steel bolt through a rotating shaft, the other end of the handle is provided with a lock assembly, the handle is provided with a card reader, and the card reader is provided with a card reader Shell 1601, the card reader shell is snap-connected with the base. The pressure plate on the other side of the base is equipped with an electromagnet assembly and a circuit board assembly, and the lock body latch and the circuit board assembly are respectively buckled and connected to the base; The light column is inserted into the handle, the light guide column is buckled connected with the handle, and the light guide column is located on the outer surface of the handle. The base in the pressing plate is provided with a lock body bolt, the side of the electromagnet bolt of the lock body bolt is provided with an open latch mouth, and one end of the electromagnet bolt of the electromagnet assembly is provided with an annular slot, and the annular slot of the electromagnet latch is connected with the lock body. Latch snap-fit connection. The electromagnet of the electromagnet includes enameled wire, plastic skeleton, electromagnet latch and tail cone in turn. The outer end of the electromagnet latch is provided with a spring. At the other end of the iron latch, the tail cone and the electromagnet latch are matched through a taper angle, and the metal frame is set on the screw of the base. The dead bolt of the lock head assembly is opposite to the U-shaped groove of the lock body bolt, and the latch opening of the lock body bolt is arranged at the bottom of the U-shaped groove. During use, start the electromagnet assembly in the electronic lock earlier, make the electromagnet bolt of the electromagnet assembly drive the lock body bolt to move, pull the handle to turn out the handle in the base, and drive the steel bolt to rotate by turning the handle. Simultaneously, according to the above-mentioned usage mode, a key can also be inserted into the lock head assembly to open the lock head assembly, so as to realize the above-mentioned handle driving the rotation of the steel bolt.

The utility model aims at the problem that the ordinary electromagnetic-driven electronic lock adopts a straight rod latch structure and is easy to produce a latch. The utility model adopts a segmented snap-in mechanism, which effectively avoids the gap between the latch body and the latch hole of the base caused by accumulated errors. Stuck phenomenon. At the same time, in order to ensure that the lock body bolt can move smoothly in the base bolt hole in a small gap, the mechanism uses dissimilar materials to process two parts. The lock body bolt is made of engineering plastics with strong self-lubricating performance, which reduces the Friction during motion. In addition, because most of the parts are connected by snap-fit assembly, the assembly speed is effectively improved, and the production efficiency is obviously doubled. The electronic lock involves telecommunications, electric power, automation control manufacturing and other industries, and is used as a control equipment screen and a door lock for control cabinets in such industries. Further, a card reading control system is installed in the electronic lock to become a smart lock that can be opened by swiping a card, and the electromagnet drive line and the lock status signal output line are connected to the network control system to form a network control smart lock.

Claims (4)

1. an electromagnetic drive type electronic lock, handle (14) is provided with in pedestal (13) the side handle groove of this electronic lock, one end of handle is connected with steel bolt (9) by rotating shaft (18), and the other end of handle is provided with lock head component (15), is provided with card reader (16) in handle; Electromagnet assembly and circuit board module (10) is provided with in the pressing plate (12) of pedestal opposite side, circuit board module draws pressing plate by connector (11), handle is guide-lighting by light-guiding pillar (17), and described electromagnet assembly comprises electromagnet (1), spring (2), electromagnet door bolt (3), enamel-covered wire (5), plastic skeleton (6), metal framework (7), tail cone (8); It is characterized in that the pedestal (13) in described pressing plate (12) is provided with lock body door bolt (4), the electromagnet door bolt side of lock body door bolt is provided with the door bolt mouth of opening, electromagnet door bolt (3) one end of electromagnet assembly is provided with annular slot, and the annular slot of electromagnet door bolt is connected with the door bolt mouth buckle that lock body is fastened with a bolt or latch.

2. electromagnetic drive type electronic lock according to claim 1, enamel-covered wire (5), plastic skeleton (6), electromagnet door bolt (3) and tail cone (8) is included successively in the electromagnet (1) that it is characterized in that described electromagnet assembly, the outer end of electromagnet door bolt is provided with spring (2), spring two ends fasten (4) with a bolt or latch with lock body respectively, metal framework (7) offsets, tail cone is arranged at the other end of electromagnet door bolt, tail cone is coordinated by taper angle between fastening with a bolt or latch with electromagnet, and electromagnet assembly is screwed in pedestal (13).

3. electromagnetic drive type electronic lock according to claim 1, it is characterized in that the card reader (16) in described handle (14) is provided with card reader shell (16), card reader shell is connected with pedestal (13) buckle, light-guiding pillar (17) inserts in handle, light-guiding pillar is connected with handle snaps, and lock body door bolt (4), circuit board module (10) are connected with substrate latch fastener respectively.

4. electromagnetic drive type electronic lock according to claim 1, it is characterized in that the dead bolt of described lock head component (15) fastens the U-lag of (4) with a bolt or latch with lock body relative, the door bolt mouth of lock body door bolt is arranged at the bottom of U-lag.