阅读说明：本技术 一种锁止机构 (Locking mechanism ) 是由 杜新军 于 2021-08-20 设计创作，主要内容包括：一种锁止机构,包括侧边设有开口的壳体、及其内部的滑板,滑板上设有第一转轴,第一转轴上套设有转动舌和第三扭簧,转动舌的一端从壳体的开口端伸出,其特征在于：壳体中的滑板上还设有电机,电机的转轴上设有转子,转子上套设有第二扭簧。本发明中转子受扭簧和电机双向驱动,当电机获得电力,克服第二扭簧扭力转动到限位时,转动舌在外力作用下,可克服第三扭簧的扭力,向壳体内转动,实现锁的开启。或通过转动钥匙,推动滑板在壳体内移动,转动舌被滑板拉入壳体,实现机械应急开启,当外力和电力消失,转动舌和转子在扭簧扭力的作用下,回到锁止限位。具有结构简单,安全稳定的优点。(The utility model provides a locking mechanism, includes that the side is equipped with open-ended casing and inside slide, is equipped with first pivot on the slide, and the cover is equipped with rotation tongue and third torsional spring in the first pivot, and the one end of rotating the tongue stretches out its characterized in that from the open end of casing: the sliding plate in the shell is also provided with a motor, a rotor is arranged on a rotating shaft of the motor, and a second torsion spring is sleeved on the rotor. The rotor is driven by the torsion spring and the motor in a bidirectional mode, when the motor obtains electric power and overcomes the torsion of the second torsion spring to rotate to a limiting position, the rotating tongue can overcome the torsion of the third torsion spring and rotate towards the shell under the action of external force, and the lock is unlocked. Or the sliding plate is pushed to move in the shell by rotating the key, the rotating tongue is pulled into the shell by the sliding plate, mechanical emergency opening is realized, and when external force and electric power disappear, the rotating tongue and the rotor return to locking limit under the action of torsional spring torsion. Has the advantages of simple structure, safety and stability.)

1. The utility model provides a locking mechanism, includes that the side is equipped with open-ended casing (1) and inside slide (13) thereof, is provided with first pivot (7) on slide (13), and the cover is equipped with rotation tongue (2) and third torsional spring (9) on first pivot (7), the one end of rotating tongue (2) stretches out its characterized in that from the open end of casing (1): still be equipped with motor (5) on slide (13), be equipped with rotor (6) in the pivot of motor (5), the cover is equipped with second torsional spring (11) on rotor (6), and motor (5) receive second torsional spring (11) drive when unpowered to be in the locking spacing.

2. A locking mechanism according to claim 1, characterized in that the rotating tongue (2) is mounted on the first rotating shaft (7), the motor (5) is mounted on a sliding plate (13), the sliding plate (13) is movable, and the rotor (6) on the shaft of the motor (5) can be separated from the rotating tongue (2) by the sliding plate (13).

3. A locking mechanism according to claim 1, characterized in that the rotor (6) on the shaft of the motor (5) is a special-shaped body, and is movably stressed by the motor (5) and the second torsion spring (11).

4. A locking mechanism according to claim 1, wherein a control circuit (18) is further provided in the housing (1), and the control circuit (18) is electrically connected to the motor (5).

5. A locking mechanism according to claim 4, characterized in that the housing (1) is further provided with an alarm device (19), the alarm device (19) being electrically connected to the control circuit (18).

Technical Field

The invention belongs to the technical field of security and protection, and particularly relates to a locking mechanism.

Background

At present, a known security locking mechanism for a metal cabinet generally comprises an outer body, a coil, a movable iron core, a spring and a fixed iron core. Under normal conditions, a user of the metal cabinet inputs correct electronic signals to enable the control circuit to supply power to the electromagnet coil, when current passes through the electromagnet coil, a magnetic field is generated to magnetize the movable iron core and the fixed iron core in the coil, the movable iron core and the fixed iron core are attracted after being magnetized, the movable iron core overcomes the spring elasticity of the supporting iron core to move towards the direction of the fixed iron core in the coil, and electronic unlocking of the lockset is achieved.

The disadvantages are that: the movable iron core is normally positioned at a locking position by the elasticity of the spring sleeved on the movable iron core, and when the movable iron core receives the action of external force to perform inertial motion, the movable iron core can also overcome the elasticity of the spring to move towards the fixed iron core, so that the inertial opening of the lockset is realized, and the metal cabinet loses safety. In addition, because the electro-magnet itself is with its control circuit probably break down, also can cause the unable normal opening of metal cabinet, current publicly known fixes the electro-magnet on the slide of mechanical blade lock, provides blade lock machinery and opens, drives whole electro-magnet to opening the direction motion, realizes that the machinery of lock is emergent to be opened, and its shortcoming is: the structure is complex and loose, the impact resistance is worsened, and the safety of the metal cabinet is reduced.

The invention content is as follows:

in order to solve the problems of low safety, complex mechanism, high production cost and the like of the conventional locking mechanism, the invention provides the locking mechanism which not only solves the problem of inertial opening, but also has simple and compact emergency opening structure and high safety.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a locking mechanism, includes casing and the first pivot of inside thereof, and the cover is equipped with the third torsional spring and rotates the tongue in the first pivot, and the side is equipped with the opening, the one end that rotates the tongue stretches out from the open end of casing, still be equipped with the motor in the casing, be equipped with the slide in the casing, it all installs on the slide to rotate tongue, motor, be equipped with the rotor in the pivot of motor and be connected with the rotation tongue, the cover is equipped with the second torsional spring on the rotor, and receives the drive of second torsional spring when the motor is unpowered, it carries out directional rotation through the electric machine control rotor to rotate the tongue.

Preferably, the rotating tongue is mounted on the first rotating shaft, the motor is mounted on the sliding plate, the sliding plate is movable, and the motor can be driven by the sliding plate to be separated from contact with the rotating tongue.

Preferably, the shell is internally provided with blades, the sliding plate and the blades are stacked in sequence, the blades are all provided with lock holes layer by layer, and the lock holes can be inserted with mechanical keys to push the sliding plate to move.

Preferably, the rotor on the motor shaft is a special-shaped body, and the rotor, the motor and the second torsion spring are movably stressed.

Preferably, a control circuit is further arranged in the shell and electrically connected with the motor.

Preferably, the shell is further provided with an alarm device, and the alarm device is electrically connected with the control circuit.

Preferably, still rotate in the casing and be provided with the plectrum, be equipped with the caulking groove that corresponds on the blade, the plectrum passes through caulking groove and blade activity joint.

Preferably, a plurality of corresponding holes are formed in the blade, a first guide column, a second guide column and a first torsion spring are fixed in the holes, and the sliding plate, the blade, the shifting piece, the first guide column, the second guide column and the first torsion spring can also form an emergency opening mechanism.

Compared with the prior art: the locking mechanism of the invention overcomes the problems of low safety, complex structure and the like of the existing lock, and can rotate the mechanical emergency key to open when the control circuit, the power supply or the mechanical structure of the locking mechanism have problems, thereby having the advantages of simple and compact structure, safety, reliability, convenient production, low cost and the like.

Drawings

FIG. 1 is an external view of a locking mechanism in a locked state;

FIG. 2 is a view showing an internal structure of a lock mechanism in a locked state;

FIG. 3 is a view of the electronic unlocking internal structure of the locking mechanism;

FIG. 4 is an internal block diagram of an emergency release of the locking mechanism;

fig. 5 is an internal structure diagram of another open-close state of fig. 4.

In the figure, 1 shell, 2 rotating tongue, 5 motor, 6 rotor, 7 first rotating shaft, 9 third torsion spring, 10 first torsion spring, 11 second torsion spring, 13 sliding plate, 14 blade, 15 key, 17 plectrum, 18 control circuit, 19 alarm device, 22 lock hole, 25 second rotating shaft, 26 first guide column, 27 second guide column.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-5, fig. 1 is an appearance schematic diagram of the locking mechanism when locked, and there is a casing 1 in the drawing, and a rotating tongue 2, a control circuit 18 and an alarm device 19 are arranged in the casing 1, the control circuit 18 is electrically connected with not only the motor 5 and the alarm device 19 in the casing, but also an external signal input circuit and a power supply, and the rotating tongue 2 is in a locking position.

Fig. 2 is a schematic diagram of the internal structure of the locking mechanism inside the lock body when the control circuit 18 is removed from the locking mechanism and the alarm device 19 is in an alarm state, the rotating tongue 2 in the housing is extended from the open end of the housing 1 at one end thereof under the action of the torsional force of the torsion spring on the shaft thereof, and is in a locking position, the rotor 6 is arranged at the other end of the rotating tongue 2, the rotor 6 is fixed on the rotating shaft of the motor 5, the rotor 6 is arranged on the rotating shaft of the motor 5 and is connected with the rotating tongue 2, the rotor 6 is sleeved with the second torsion spring 11, the rotor 6 is in the position shown in fig. 2 under the action of the torsional force thereof, the rotor 6 plays a role in blocking the rotation of the rotating tongue 2 at this time, the rotating tongue 2 is limited and cannot rotate, and the locking mechanism is in a locking state at this time. The rotating tongue 2 and the motor 5 in the shell 1 are installed on a sliding plate 13 of an emergency mechanism, a plurality of corresponding holes are formed in a blade 14, a first guide column 26 and a second guide column 27 are fixed in the holes, the sliding plate 13, the blade 14, a shifting piece 17, the first guide column 26, the second guide column 27, a first torsion spring 10 and the like form an emergency opening device, the first torsion spring 10 is sleeved, and the sliding plate 13 is limited by the blade 14 in fig. 2 and is in a locking state.

The rotating tongue 2 is arranged on the first rotating shaft 7, the motor 5 is arranged on the sliding plate 13, the sliding plate 13 can move, and the motor 5 can be driven by the sliding plate 13 to be separated from the contact with the rotating tongue 2.

Fig. 3 is a schematic diagram of an electronic opening state of the locking mechanism, when an operator inputs a correct electrical signal to the electronic lock, the control circuit 18 in the locking mechanism provides the electrical signal to the motor 5, and after the motor 5 obtains the electrical signal, the motor 5 overcomes the torsion of the second torsion spring 11, rotates the rotor 6 to the opening position, and the rotor 6 does not block the rotating tongue 2, and the rotating tongue 2 overcomes the torsion of the third torsion spring 9 under the pushing of an external force, and the exposed end of the rotating tongue is pushed into the housing 1, and is in the state shown in fig. 3, so that the lock is opened.

The shell 1 is internally provided with blades 14, the sliding plate 13 and the blades 14 are sequentially stacked, the blades 14 are all provided with lock holes 22 layer by layer, and the lock holes 22 can be inserted with mechanical keys 15 to push the sliding plate 13 to move.

In fig. 4, when a problem occurs in a control circuit, a power supply or a mechanical structure of the locking mechanism, the locking mechanism can be opened in a mechanical emergency manner, the mechanical emergency opening structure is formed by sequentially stacking a housing 1, a sliding plate 13 and blades 14, a shifting piece 17 is further rotatably arranged in the housing 1, corresponding caulking grooves are formed in the blades 14, the shifting piece 17 is movably clamped with the blades 14 through the caulking grooves, the shifting piece 17 pushes the blades 14 to be in an initial locking state under the action of a first torsion spring 10, a key 15 is rotated, the key 15 pushes the blades 14 to move, when different blades 14 are pushed by the key 15, lock holes 22 of the different blades are mutually aligned and are consistent with a vertical plate on the sliding plate 13 in position, the key 15 continues to rotate, the sliding plate 13 is pulled to move towards an opening, when the sliding plate 13 moves, the sliding plate 13 drives the rotating tongue 2 and the motor 5 to move inwards to an opening limit, at this time, the rotating tongue 2 is moved into the housing 1, the lock is unlocked.

In fig. 5, a first rotating shaft 7 for fixing a rotating tongue 2, a third torsion spring 9 is sleeved on the first rotating shaft 7, and is located on the casing 1 at the opening end of the casing 1, when a control circuit, a power supply or a mechanical structure of a locking mechanism has a problem, a mechanical emergency key 15 can be rotated, the key 15 pushes the blades 14 to move, when different blades 14 are pushed by the key 15, lock holes 22 of the blades are aligned with each other and are consistent with the position of a vertical plate on the sliding plate 13, the key 15 continues to rotate, the vertical plate on the sliding plate 13 moves towards the opening, when the sliding plate 13 moves, the sliding plate 13 drives the motor 5 to move, the rotor 6 on the shaft of the motor 5 moves together, at this time, the rotor 6 is separated from the rotating tongue 2, the rotating tongue 2 rotates into the casing under the action of external force, and the lock is unlocked.

Although the terms housing 1, rotating tongue 2, motor 5, rotor 6, first rotating shaft 7, third torsion spring 9, first torsion spring 10, second torsion spring 11, slider 13, blade 14, key 15, paddle 17, control circuit 18, alarm device 19, lock hole 22, second rotating shaft 25, first guide post 26, second guide post 27, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations.