CN203296522U - Intelligent cabinet electronic lock - Google Patents

Abstract

The utility model discloses an intelligent cabinet electronic lock which comprises a lock shell, an elastic rod arranged in the lock shell, a lock hook capable of performing insertion from a lock hook insertion entrance, a clamping hook lever arranged in the lock shell, a locking lever arranged in the lock shell in a rotatable mode and an electromagnet arranged in the lock shell, wherein the elastic rod is located in the same axis with the lock hook insertion entrance, and the movable end of the electromagnet is hinged to the other end of the locking lever. According to the intelligent cabinet electronic lock, the elastic rod is directly linked with the lock hook, and therefore the structure of a product is simplified; in addition, the elastic rod is in the same axis with the lock hook so that the elastic rod can directly push the lock hook to bounce off the lock hook, namely elastic force of a first elastic part is in the same direction with the bouncing off direction of the lock hook, and therefore the elastic force can be directly used for the lock hook but is not transmitted to the lock hook through a third elastic part. Thus, the elastic force is large, and even if a cabinet door is provided with magnetic force sealing, the lock hook can also be bounced off. According to the intelligent cabinet electronic lock, under the premise that a lock body is not enlarged, the defect that the cabinet door can not be bounced off is overcome.

Description

An electronic lock for a smart cabinet

technical field

The utility model relates to the technical field of electronic locks, in particular to an electronic lock for an intelligent cabinet.

Background technique

The smart cabinet electronic lock is a special lock for smart cabinets that open the cabinet door when it is powered on, and lock it when the door is closed.

Existing electronic lock comprises lock housing, electromagnet, tower spring, grab lever, stop lever, lock hook and bullet bar. When the door is closed and locked, the lock hook enters through the slot in the lock case, and the transmission block on the spring bar pushes the hook lever to rotate counterclockwise, and at the same time compresses the compression spring. When the other end of the hook lever pushes the brake lever , the first stop surface and the second stop surface of the two bite, and are fixed between the lock hook slot of the hook lever and the transmission block of the transmission mechanism, and the micro switch is triggered. When it needs to be unlocked, the moving end of the electromagnet moves down, the linkage stop lever rotates, the first stop surface and the second stop surface engage and release, and the hook lever rotates clockwise under the drive of the compression spring connected to the transmission block to open the lock. The slot and the lock hook pop up under the action of the fast transmission at the same time, so as to realize the purpose of unlocking and popping the cabinet door.

When the existing electronic lock is applied to a large cabinet or a cabinet with a fresh-keeping kinetic energy cabinet door and a magnetic seal, the cabinet door cannot be popped open. In the prior art, in order to avoid the problem of being unable to open the cabinet door, the method of increasing the power of the electronic lock is usually adopted. However, this method will undoubtedly greatly increase the lock body, which not only increases the cost, but also occupies the use space of the cabinet body.

Therefore, how to avoid the defect that the cabinet door cannot be flicked open without enlarging the lock body has become a technical problem to be solved urgently by those skilled in the art.

Utility model content

In view of this, the purpose of this utility model is to provide an electronic lock for intelligent cabinets, so as to avoid the defect that the cabinet door cannot be opened without increasing the size of the lock body.

In order to achieve the above object, the utility model provides the following technical solutions:

An electronic lock for a smart cabinet, comprising:

A lock case, the lock case is provided with a lock hook insertion port;

An elastic rod arranged in the lock housing, the elastic rod is located on the same axis as the lock hook insertion opening, and the elastic rod is sleeved with a first elastic member for reset;

a lock hook that can be inserted through the lock hook insertion port and is used to abut against the elastic rod;

The hook lever is rotatably arranged in the lock housing, and one end of the hook lever has a slot for locking the lock hook, and the hook lever touch surface of the slot is in contact with the spring bar. Linkage of elastic rod contact ring;

a stop lever rotatably arranged in the lock housing, the stop lever stop surface at one end of the stop lever is linked with the stop lever stop surface at the other end of the hook lever;

The electromagnet is arranged in the lock housing, the moving end of the electromagnet is hinged to the other end of the stop lever, and the second elastic member for the reset of the stop lever is provided on the moving end of the electromagnet .

Preferably, in the above-mentioned smart cabinet electronic lock, it further includes a first positioning base provided on the lock case, one end of the first elastic member is positioned on the first positioning base, and the first elastic member The other end of is positioned on the shoulder of the spring rod.

Preferably, in the above-mentioned smart cabinet electronic lock, it further includes a second positioning base provided on the lock case, after the spring bar bounces, the shoulder of the spring bar passes through the second positioning base limit.

Preferably, in the above-mentioned electronic lock for smart cabinets, the distance from the connecting part of the moving end of the electromagnet to the stop lever to the rotation center of the stop lever is greater than the rotation center of the stop lever. The distance from the stop surface of the moving lever.

Preferably, in the electronic lock for smart cabinets described above, the distance from the stop surface of the hook lever to the rotation center of the hook lever is greater than the distance from the rotation center of the hook lever to the contact surface of the hook lever.

Preferably, in the above-mentioned smart cabinet electronic lock, both the first elastic member and the second elastic member are springs.

It can be seen from the above-mentioned technical scheme that when the smart cabinet electronic lock provided by the utility model is closed and locked, since the spring bar and the lock hook are on the same axis, the lock hook pushes the spring bar under the force of closing the door, and the stroke reaches the spring. When the rod contact ring is in contact with the contact surface of the hook lever, the spring rod contact ring will link the catch lever under the force of closing the door, so that the catch lever travels to the locked position. Under the action of the second elastic device, the stop lever performs a stop action and automatically locks. When energized, the electromagnet acts to pull the stop lever, so that the stop surface of the stop lever is separated from the stop surface of the hook lever. Pop open, and pop open the cabinet door at the same time to form an unlock.

The utility model simplifies the product structure by directly linking the spring rod with the lock hook, and the spring rod and the lock hook are on the same axis, so that the spring rod can directly push the lock hook, so that the lock hook bounces off, that is, the elastic force of the first elastic member It is in the same direction as the springing direction of the lock hook, so that the elastic force can be directly applied to the lock hook, instead of passing the elastic force to the lock hook through a third piece, so that the elastic force is relatively large, even if the cabinet door is magnetically sealed, it can also be used Pop the shackle out. The utility model avoids the defect that the cabinet door cannot be flicked open under the premise of not enlarging the lock body.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the schematic diagram of the structure of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention;

Fig. 2 is a schematic structural view of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention after it is unlocked;

Fig. 3 is a structural schematic diagram of the first locking process of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of the second locking process of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention;

Fig. 5 is a structural schematic diagram of the third locking process of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention;

Fig. 6 is a structural schematic diagram of the first unlocking process of the electronic lock of the intelligent cabinet provided by the embodiment of the utility model;

Fig. 7 is a structural schematic diagram of the second unlocking process of the electronic lock of the intelligent cabinet provided by the embodiment of the utility model.

Wherein, 1 is a lock housing; 2 is an electromagnet; 3 is a second elastic member; 4 is a stop lever; 41 is a stop surface of a stop lever; 5 is a hook lever; 51 is a stop surface of a grab lever; 52 is a card Hook lever touch surface; 6 is the lock hook; 7 is the spring bar; 71 is the first positioning base; 72 is the second positioning base; 73 is the contact ring of the spring bar; 8 is the first elastic member.

Detailed ways

The core of the utility model is to provide an intelligent cabinet electronic lock, so as to avoid the defect that the cabinet door cannot be opened without increasing the size of the lock body.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1 and Figure 2, Figure 1 is a schematic diagram of the structure of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention after locking; Figure 2 is a schematic diagram of the structure of the electronic lock of the intelligent cabinet provided by the embodiment of the present invention after it is unlocked .

The intelligent cabinet electronic lock provided by the embodiment of the utility model includes a lock case 1, a spring bar 7, a lock hook 6, a hook lever 5, a stop lever 4 and an electromagnet 2.

Wherein, the lock case 1 is provided with a locking hook insertion opening for inserting the locking hook 6 when locking. Elastic bar 7 is arranged in the lock housing 1, and elastic bar 7 is positioned on the same axis as locking hook insertion opening, and promptly elastic bar 7 and locking hook 6 are on the same axial direction, and locking hook 6 can be Act directly on the spring bar 7. The spring bar 7 is sleeved with a first elastic member 8 for resetting. When locking, the first elastic member 8 will be compressed during the movement of the spring bar 7. When unlocking, the external force is removed, and the first elastic member 8 resets and pushes the spring. Rod 7 returns to its original position.

The lock hook 6 can be inserted through the lock hook insertion opening for abutting against the elastic rod 7 . The hook lever 5 is rotatably arranged in the lock housing 1. One end of the hook lever 5 has a slot for locking the lock hook 6. After locking, the limit part of the lock hook 6 is inserted into the slot. Make lock hook 6 can not be pulled out. The hook lever contact surface 52 of the draw-in slot is linked with the elastic lever contact ring 73 of the elastic bar 7, that is, when the lock hook 6 pushes the elastic bar 7 to move, the elastic bar contact ring 73 pushes the hook lever contact surface 52 to drive the hook lever 5 turn.

The stop lever 4 is rotatably arranged in the lock housing 1 , and the stop lever stop surface 41 at one end of the stop lever 4 is linked with the catch lever stop surface 51 at the other end of the hook lever 5 . When locking, after the catch lever 5 rotates until the stop surface 51 of the catch lever cooperates with the stop surface 41 of the stop lever, the lock hook 6 is limited in the draw-in groove of the catch lever 5 .

The electromagnet 2 is arranged in the lock housing 1, the moving end of the electromagnet 2 is hinged with the other end of the stop lever 4, and the second elastic member 3 for the stop lever 4 to reset is provided on the moving end of the electromagnet 2. After the electromagnet 2 is energized, it will drive the stop lever 4 to rotate, so that the matching state between the hook lever stop surface 51 and the stop lever stop surface 41 is lost, and the spring bar 7 resets to complete the unlocking.

Please refer to Fig. 3-Fig. 5, Fig. 3 is a structural schematic diagram of the first locking process of the electronic lock of the intelligent cabinet provided by the embodiment of the utility model; Fig. 4 is the second locking process of the electronic lock of the smart cabinet provided by the embodiment of the utility model Fig. 5 is a schematic structural diagram of the third process of locking the electronic lock of the intelligent cabinet provided by the embodiment of the utility model.

When the door is closed and locked, since the spring bar 7 and the lock hook 6 are on the same axis, the lock hook 6 pushes the spring bar 7 under the force of closing the door, and when the stroke reaches the contact ring 73 of the spring bar and the contact surface 52 of the hook lever, the spring bar The contact ring 73 is linked with the catch lever 5 under the door closing force, so that the catch lever 5 travels to the locked position.

Please refer to Fig. 6 and Fig. 7, Fig. 6 is a schematic structural diagram of the first unlocking process of the electronic lock of the intelligent cabinet provided by the embodiment of the utility model; Fig. 7 is a structure of the second unlocking process of the electronic lock of the smart cabinet provided by the embodiment of the utility model schematic diagram.

When energized, the electromagnet 2 acts to pull the stop lever 4, so that the stop surface 41 of the stop lever is separated from the stop surface 51 of the hook lever. Grab hook lever 5 rotates, and lock hook 6 bounces off, and bounces off cabinet door simultaneously and forms unblanking.

The utility model simplifies the product structure through the linkage between the elastic rod 7 and the locking hook 6 directly, and the elastic rod 7 and the locking hook 6 are on the same axis, so that the elastic rod 7 can directly push the locking hook 6, so that the locking hook 6 bounces off, That is, the elastic force of the first elastic member 8 is in the same direction as the springing direction of the locking hook 6, so that the elastic force can be directly used for the locking hook 6, instead of passing the elastic force to the locking hook 6 through the third piece, so that the elastic force is relatively high. Large, even if the cabinet door is sealed with magnetic force, the lock hook 6 can be bounced open. The utility model avoids the defect that the cabinet door cannot be flicked open under the premise of not enlarging the lock body.

In a specific embodiment of the utility model, the utility model can also include a first positioning base 71 arranged on the lock housing 1, one end of the first elastic member 8 is positioned on the first positioning base 71, and the first elastic member 8 The other end is positioned on the shoulder of the elastic rod 7 .

Correspondingly, the present invention may also include a second positioning base 72 arranged on the lock housing 1 , after the spring bar 7 bounces off, the shoulder of the spring bar 7 is limited by the second positioning base 72 . When unlocking, when the bullet bar 7 bounces and moves to the second positioning base 72 position, the shoulder of the bullet bar 7 will be limited by the second positioning base 72, preventing the bullet bar 7 from moving further and moving out of the lock housing 1 .

In order to further optimize the above-mentioned technical solution, in a specific embodiment of the present invention, the distance from the connecting part of the moving end of the electromagnet 2 and the stop lever 4 to the center of rotation of the stop lever 4 is greater than the distance from the center of rotation of the stop lever 4 to The distance of the stop lever stop surface 41. The distance from the stop surface 51 of the hook lever to the rotation center of the hook lever 5 is greater than the distance from the rotation center of the hook lever 5 to the contact surface 52 of the hook lever.

In the utility model, both the stop lever 4 and the hook lever 5 are related to a lever structure, so that the electromagnetic force of the electromagnet 2 can easily drive the stop lever 4 to rotate, and at the same time, the stop lever 4 is used to move the hook lever 5 Rotate, so that the stop lever stop surface 41 and the hook lever stop surface 51 are out of the engaged state. Based on the above reasons, the lever ratio of the stop lever 4 and the grab lever 5 can be increased, so that the lock can be unlocked sensitively without increasing the power.

Further, both the first elastic member 8 and the second elastic member 3 are springs, wherein the first elastic member 8 is a compression spring, and the second elastic member 3 is a tower spring.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. An electronic lock for an intelligent cabinet, characterized in that it comprises: A lock case (1), the lock case (1) is provided with a lock hook insertion port; The elastic rod (7) arranged in the lock case (1), the elastic rod (7) is located on the same axis as the lock hook insertion port, and the elastic rod (7) is sleeved with a the first elastic member (8); A lock hook (6) that can be inserted through the lock hook insertion port and is used to abut against the elastic rod (7); The hook lever (5) is rotatably arranged in the lock case (1), and one end of the hook lever (5) has a slot for locking the lock hook (6), and the slot The hook lever contact surface (52) of the hook is linked with the elastic rod contact ring (73) of the elastic rod (7); The stop lever (4) rotatably arranged in the lock case (1), the stop lever stop surface (41) at one end of the stop lever (4) and the hook lever (5) on the other The hook lever stop surface (51) at one end is linked; The electromagnet (2) arranged in the lock case (1), the movable end of the electromagnet (2) is hinged with the other end of the stop lever (4), the movable end of the electromagnet (2) A second elastic member (3) for resetting the stop lever (4) is provided on the top. 2. The intelligent cabinet electronic lock according to claim 1, further comprising a first positioning base (71) arranged on the lock case (1), and the first elastic member (8) One end is positioned on the first positioning base (71), and the other end of the first elastic member (8) is positioned on the shoulder of the elastic rod (7). 3. The electronic lock for intelligent cabinets according to claim 2, further comprising a second positioning base (72) arranged on the lock case (1), when the spring bar (7) bounces open Finally, the shoulder of the elastic rod (7) is limited by the second positioning base (72). 4. The electronic lock for intelligent cabinets according to any one of claims 1-3, characterized in that, the connecting part between the moving end of the electromagnet (2) and the stop lever (4) reaches the stop The distance from the rotation center of the moving lever (4) is greater than the distance from the rotation center of the stop lever (4) to the stop surface (41) of the stop lever. 5. The electronic lock for intelligent cabinets according to claim 4, characterized in that the distance from the stop surface (51) of the hook lever to the rotation center of the hook lever (5) is greater than that of the hook lever ( 5) The distance from the center of rotation to the contact surface (52) of the hook lever. 6. The intelligent cabinet electronic lock according to any one of claims 1-3, characterized in that, both the first elastic member (8) and the second elastic member (3) are springs.

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