CN211974651U

CN211974651U - Waterproof electronic lock convenient to unlock

Info

Publication number: CN211974651U
Application number: CN201922415227.3U
Authority: CN
Inventors: 王惠鸿
Original assignee: Fuzhou ZTower Lead Sealing Co ltd
Current assignee: Fuzhou ZTower Lead Sealing Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-11-20
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a waterproof electronic lock convenient for unlocking, which comprises a shell, a flexible lock rod, a locking mechanism, a rack and a motor, wherein an installation cavity is arranged inside the shell, the locking mechanism, the rack and the motor are installed in the installation cavity of the shell, the locking mechanism comprises a locking shaft, a limiting column, a first elastic device and a second elastic device, the rack is installed in the installation cavity of the shell in a lifting and sliding manner, the limiting column is fixed at the top of the rack, and a gear is fixed on a rotating shaft of the motor; the bottom of a lock rod hole of the shell is provided with a first elastic device, a locking shaft is transversely movably arranged in an installation cavity of the shell, the bottom end of the locking free end of the flexible lock rod is provided with a lock groove matched with the locking end of the lock rod, the second end of the locking shaft is provided with a second elastic device, and the middle part of the locking shaft is provided with a limiting groove corresponding to the limiting column. The utility model discloses a locking shaft's locking lever locking end and the locked groove of locking free end mutually support and realize the locking effect, come to stabilize through spacing post and spacing groove's cooperation and close lock structural performance.

Description

Waterproof electronic lock convenient to unlock

Technical Field

The utility model relates to an electronic lock technical field especially relates to a waterproof electronic lock of convenient unblock.

Background

At present, the traditional mechanical locks are more in the market, the internal structure of the traditional mechanical locks is complex, the assembly accuracy requirement is very high due to excessive parts, and the assembly is also very complex; the waterproof performance cannot be achieved, internal parts are exposed to water or a damp environment, the use is affected, and the normal use cannot be achieved seriously. Along with the rise of intellectuality, people love products such as intelligent household electrical appliances, intelligent tool to lock more and more, how to realize the inside mechanical switch lock transmission of electronic lock body of traditional lock body pattern is the difficult point that technology research and development urgently need to break through.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims to provide a conveniently unlocked waterproof electronic lock, when the lock is closed, the flexible lock rod can be made to move towards the lock positioning position firstly, the locking shaft can move towards the lock positioning position under the action of the second elastic stress and is abutted against the lock groove, and then the motor drives the limiting shaft to move in a matching way to the limiting groove on the locking shaft, so that the movement of the locking shaft is limited, the lock closing operation is completed, and the movement of the locking shaft under the action of external force is limited, therefore, the locking structure is stable; when the unblock, drive spacing axle through the motor and keep away from the spacing groove motion, make the locking axle keep away from the lock positioning motion through external force, alright make the locking lever locking end of locking axle break away from with the locked groove of locking the free end, lock the free end alright pop out the shell under the effect of first elastic stress, accomplish the unblock.

The purpose of the utility model is realized through the following technical scheme:

a waterproof electronic lock convenient to unlock, which comprises a shell, a flexible lock rod, a locking mechanism, a rack and a motor, the flexible lock rod is integrally in a U-shaped shape and is provided with a locking constraint end and a locking free end, the locking constraint end of the flexible locking rod is arranged at one end of the shell, the locking free end of the flexible locking rod is telescopically inserted at the other end of the shell, the other end of the shell is provided with a lock rod hole matched with the locking free end, an installation cavity is arranged in the shell, the locking mechanism, the rack and the motor are arranged in the mounting cavity of the shell, the locking mechanism comprises a locking shaft, a limiting column, a first elastic device and a second elastic device, a rack is installed in the installation cavity of the shell in a lifting and sliding manner, the limiting column is fixed at the top of the rack, and a gear meshed with the rack is fixed on a rotating shaft of the motor; the utility model discloses a locking shaft, including shell, locking shaft hole, locking shaft, locking.

In order to better realize the utility model discloses, the shell lateral part is opened there is the button hole, the button hole is close to the first end position of locking axle, movable mounting has the button in the button hole of shell, the button passes through the connecting rod and is connected fixedly with the first end of locking axle.

Preferably, the connecting rod is in an arch structure at the part matched with the locking free end.

Preferably, rack sliding grooves are formed in two sides of the mounting cavity of the shell respectively, and sliding blocks matched with the rack sliding grooves are arranged on two sides of the rack in a protruding mode respectively.

Preferably, a transverse guide shaft groove for guiding the transverse movement of the locking shaft is arranged in the mounting cavity of the housing.

Preferably, the first elastic device and the second elastic device are both springs.

Preferably, the locking shaft is sleeved with a waterproof sleeve.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

(1) the utility model discloses when closing the lock, can make flexible locking lever move towards the lock location earlier, the locking axle can be under the effect of second elastic stress towards lock location motion and butt at the locked groove, drives spacing axle cooperation motion to the epaxial spacing groove of locking afterwards through the motor to the motion of restriction locking axle, the completion is closed and is locked the operation, and the locking axle moves by the restriction under the effect of external force, therefore locking stable in structure.

(2) The utility model discloses when the unblock, drive spacing axle through the motor and keep away from the spacing groove motion, make the locking axle keep away from the lock positioning motion through external force, alright make the locking lever locking end of locking axle break away from with the locked groove of locking free end, the locking free end alright pop out the shell under the effect of first elastic stress, accomplish the unblock.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Wherein, the names corresponding to the reference numbers in the drawings are:

20-shell, 21-limiting column, 30-flexible locking rod, 31-locking free end, 40-locking shaft, 41-limiting groove, 42-waterproof sleeve, 50-first elastic device, 60-second elastic device, 70-motor, 71-gear, 72-rack, 80-connecting rod, 81-arch structure and 90-button.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example one

As shown in fig. 1, a waterproof electronic lock convenient to unlock includes a housing 20, a flexible lock rod 30, a locking mechanism, a rack 72 and a motor 70, where the flexible lock rod 30 is integrally U-shaped, the flexible lock rod 30 has a locking constrained end and a locking free end 31, the locking constrained end of the flexible lock rod 30 is installed at one end of the housing 20, the locking free end 31 of the flexible lock rod 30 is telescopically inserted into the other end of the housing 20, the other end of the housing 20 is provided with a lock rod hole matched with the locking free end 31, the housing 20 has an installation cavity inside, the locking mechanism, the rack 72 and the motor 70 are installed in the installation cavity of the housing 20, the locking mechanism includes a locking shaft 40, a limiting post 21, a first elastic device 50 and a second elastic device 60, and in this embodiment, the preferred first elastic device 50 and the second elastic device 60 are both springs. The mounting cavity of the housing 20 is provided with a rack 72 in a lifting and sliding manner, the limiting column 21 is fixed at the top of the rack 72, and a gear 71 which is meshed with the rack 72 is fixed on a rotating shaft of the motor 70. The bottom of the lock rod hole of the shell 20 is provided with a first elastic device 50 corresponding to the locking free end 31 of the flexible lock rod 30, a locking shaft 40 is transversely installed in the installation cavity of the shell 20, the first end of the locking shaft 40 is provided with a lock rod locking end, the bottom end of the locking free end 31 of the flexible lock rod 30 is provided with a locking groove matched with the lock rod locking end, the second end of the locking shaft 40 is provided with a second elastic device 60, and the middle part of the locking shaft 40 is provided with a limiting groove 41 corresponding to the limiting column 21.

As shown in fig. 1, a button hole is formed at a side of the housing 20, the button hole is located near the first end of the locking shaft 40, a button 90 is movably mounted in the button hole of the housing 20, and the button 90 is fixedly connected to the first end of the locking shaft 40 through a connecting rod 80. The locking shaft 40 is sleeved with a waterproof sleeve 42, and the waterproof sleeve 42 corresponds to the locking rod hole of the shell 20 and can prevent water in the locking rod hole from entering the right part of the lock body shown in fig. 1.

As shown in fig. 1, the connecting rod 80 has an arch 81 at a portion thereof which is engaged with the locking free end 31, and the arch 81 prevents the movement of the locking shaft 40 from interfering with the locking free end 31.

In this embodiment, rack sliding grooves are respectively formed on two sides of the mounting cavity of the housing 20, and sliding blocks matched with the rack sliding grooves are respectively convexly arranged on two sides of the rack 72. The housing 20 of the present embodiment is further provided with a lateral guide shaft groove for guiding the lateral movement of the lock shaft 40, and the lateral guide shaft groove serves to guide the lateral movement of the lock shaft 40.

When the locking device is used, the locking free end 31 of the flexible locking rod 30 is inserted into the locking rod hole of the housing 20 from the outside of the housing 20, and the locking free end 31 of the flexible locking rod 30 moves towards the locking position, in the process, the second elastic device 60 at the second end of the locking shaft 40 is compressed, after the locking free end 31 moves to the position, namely the first elastic device 50 is compressed to the limit, at the moment, the locking shaft 40 can move towards the locking position under the elastic stress of the second elastic device 60 and abut against the locking groove of the locking free end 31, and then the motor 70 drives the limiting column 21 to move close to the limiting groove 31 on the locking shaft 40 and limit the movement of the locking shaft 40, so that the locking or locking operation is realized. Since the movement of the locking shaft 40 is restricted by the external force, the locking structure is stable. When unlocking, the motor 70 drives the limiting shaft 40 to move away from the limiting groove 41, and a person presses the button 90 through external force to make the locking shaft 40 move away from the locking position, so that the locking end of the locking rod of the locking shaft 40 is separated from the locking groove of the locking free end 31, and the locking free end 31 can be ejected out of the shell 20 under the action of the first elastic stress 50, so as to complete the unlocking operation.

Example two

As shown in FIG. 1, the waterproof electronic lock convenient to unlock comprises a shell 20, a locking mechanism and a flexible locking rod 30, wherein a mounting cavity is formed inside the shell 20, and a locking position is formed in the mounting cavity. The locking mechanism includes a locking shaft 40, a restraining post 21, a first resilient device 50, and a second resilient device 60. One end of the flexible lock lever 30 is formed as a locking free end 31, and a locking groove is provided on the locking free end 31, and the locking free end 31 is movable toward or away from the locking position. In addition, the locking shaft 40 may move toward or away from the locking position and may abut within the locking groove after the locking shaft 40 moves toward the locking position.

One end of the first elastic means 50 abuts against the inner wall of the mounting cavity and the other end of the first elastic means 50 abuts against the end of the locking free end 31 and provides a first elastic stress that moves the locking free end 31 away from the locking position. One end of the second elastic means 60 abuts against the inner wall of the mounting cavity, and the other end of the second elastic means 60 abuts against the end of the locking shaft 40 away from the locking free end 31, and provides a second elastic stress for moving the locking shaft 40 close to the locking position.

In addition, a limiting groove 41 is further arranged on the locking shaft 40, a limiting column 21 and a driving mechanism are arranged in the installation cavity, and the limiting column 21 can move towards or away from the limiting groove 41 under the driving of the driving mechanism (including the motor 70). And may be fitted into the stopper groove 41 to restrict the movement of the locking shaft 40 after the stopper post 21 moves toward the adjacent stopper groove 41.

On the basis of the structure, when the electronic lock of the embodiment is used for facilitating locking and unlocking, when the electronic lock is locked, the locking free end 31 of the locking rod 30 can be inserted into the shell 20 from the outside of the shell 20, and the locking free end 31 of the locking rod 30 moves towards the locking position, in the process, the second elastic device 60 at the end part of the locking shaft 40 far away from the locking position can be compressed, after the locking free end 31 moves to the position, namely the first elastic device 50 is compressed to the limit, at the moment, the locking shaft 40 can move towards the locking position and abut against the locking groove under the action of the second elastic stress, and then the driving mechanism drives the limiting column 21 to be close to the limiting groove 41 on the locking shaft 40

The direction movement finally realizes the movement limitation of the locking shaft 40, the locking operation is completed, and the movement of the locking shaft 40 is limited under the action of external force, so that the locking structure is stable.

When unlocking, the driving mechanism (including the motor 70) drives the limiting shaft 40 to be far away from the limiting groove 41, the locking shaft 40 is moved away from the locking position through external force, so that the locking shaft 40 can be separated from the locking free end 31, and the locking free end 31 can be ejected out of the shell 10 under the action of the first elastic stress 50, so that unlocking is completed, and the unlocking is convenient.

In this embodiment, the driving mechanism includes a motor 70, a gear 71 and a rack 72, the motor 70 is installed in the installation cavity, the gear 71 is pivoted in the installation cavity and synchronously connected with the rotating shaft of the motor 70, and the rack 72 extends along the length direction of the locking free end 31 and is fixedly connected with the limiting column 21. Thus, when the position-limiting column 21 is driven to move, the motor 70 can be started, the motor 70 can rotate to drive the gear 71 to rotate, the gear 71 can rotate to drive the rack 72 engaged with the gear to move, and therefore the position-limiting column 21 is driven to be close to or far away from the position-limiting groove 41 of the locking shaft 40 from the side portion of the locking shaft 40. Of course, the driving mechanism can also be directly driven by a small linear motor 70.

Further, a PCB board can be further disposed in the mounting cavity, and the PCB board is electrically connected to a power line of the motor 70 and is used for controlling the start and stop of the motor 70. Specifically, a controller for controlling the electronic lock may be integrated on the PCB, and the start and stop of the motor 70 may be controlled after receiving a signal sent by an external unlocking card or a remote control device such as a mobile phone, so as to facilitate the locking or unlocking. It should be noted that how to receive the external signal and control the start and stop of the motor 70 by the PCB belongs to the prior art, and does not belong to the protection content of the present application, and those skilled in the art can know from the prior art, and will not be described herein again.

In this embodiment, a button 90 may be further disposed on the housing 20, and specifically, a button hole is disposed on the housing 20, the button 90 movably penetrates into the button hole, and one end of the button 90 extends into the mounting cavity and is used for driving the locking shaft 40 to move away from the locking position under the action of an external force. In this way, when unlocking, after the stopper post 21 is separated from the stopper groove 41, the button 90 is pressed to separate the locking shaft 40 from the locking position, so that the locking free end 31 of the flexible lock lever 30 can be withdrawn, thereby completing the unlocking operation.

A connecting rod 80 is arranged in the mounting cavity, so that one end of the connecting rod 80 is fixedly connected with the button 90; the other end of the connecting rod 80 is connected to the locking shaft 40, and the middle end of the connecting rod 80 is provided with an arch 81 through which the locking free end 31 passes, and on the basis of the arch 81, the connecting rod 80 can avoid the movement of the locking free end 31 to prevent the movement of the locking shaft 40 from interfering with the locking free end 31.

A sealing cavity is formed in the installation cavity, the lock position is located outside the sealing cavity, the locking shaft 40 extends out of the sealing cavity after moving towards the lock position, and a waterproof sleeve 42 is sleeved on the end portion, penetrating out of the sealing cavity, of the locking shaft 40. In addition, the driving mechanism, the limiting column 21 and the like are arranged in the sealed cavity, so that the locking shaft 40 is a part exposed out of the sealed cavity, and the waterproof sleeve 42 is sleeved on the locking shaft to prevent water or dust from entering the sealed cavity and influencing the normal operation of the part in the sealed cavity, thereby solving the waterproof problem caused by the exposed locking shaft and the assembly problem caused by the waterproof.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a waterproof electronic lock of convenient unblock, includes shell (20) and flexible locking lever (30), flexible locking lever (30) wholly is "U" shape, flexible locking lever (30) have the about end of locking and lock free end (31), the about end of locking of flexible locking lever (30) is installed in the one end of shell (20), the locking free end (31) of flexible locking lever (30) are flexible to be pegged graft in the other end of shell (20), the other end of shell (20) is opened there is the locking lever hole with locking free end (31) matched with, its characterized in that: the locking mechanism comprises a locking shaft (40), a limiting column (21), a first elastic device (50) and a second elastic device (60), the rack (72) is installed in the installation cavity of the shell (20) in a lifting and sliding mode, the limiting column (21) is fixed to the top of the rack (72), and a gear (71) meshed with the rack (72) is fixed to a rotating shaft of the motor (70); the locking device is characterized in that a first elastic device (50) corresponding to a locking free end (31) of the flexible locking rod (30) is arranged at the bottom of a locking rod hole of the shell (20), a locking shaft (40) is transversely installed in an installation cavity of the shell (20), a locking rod locking end is arranged at the first end of the locking shaft (40), a locking groove matched with the locking rod locking end is formed in the bottom end of the locking free end (31) of the flexible locking rod (30), a second elastic device (60) is installed at the second end of the locking shaft (40), and a limiting groove (41) corresponding to the limiting column (21) is formed in the middle of the locking shaft (40); rack sliding grooves are respectively formed in two sides of the installation cavity of the shell (20), and sliding blocks matched with the rack sliding grooves are respectively arranged on two sides of the rack (72) in a protruding mode; and a transverse guide shaft groove for guiding the transverse movement of the locking shaft (40) is arranged in the mounting cavity of the shell (20).

2. The waterproof electronic lock convenient to unlock of claim 1, wherein: the side of the shell (20) is provided with a button hole, the button hole is close to the first end of the locking shaft (40), a button (90) is movably mounted in the button hole of the shell (20), and the button (90) is fixedly connected with the first end of the locking shaft (40) through a connecting rod (80).

3. The waterproof electronic lock convenient to unlock of claim 2, wherein: the connecting rod (80) is in an arch structure (81) at the part matched with the locking free end (31).

4. The waterproof electronic lock convenient to unlock of claim 1, wherein: the first elastic device (50) and the second elastic device (60) are both springs.

5. The waterproof electronic lock convenient to unlock of claim 1, wherein: the locking shaft (40) is sleeved with a waterproof sleeve (42).