CN210342963U

CN210342963U - Door closing device of anti-theft door lock

Info

Publication number: CN210342963U
Application number: CN201920773688.5U
Authority: CN
Inventors: 朱斌
Original assignee: Zhejiang Yilong Intelligent Technology Co ltd
Current assignee: Zhejiang Yilong Intelligent Technology Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-04-17
Anticipated expiration: 2029-05-27

Abstract

The utility model belongs to the technical field of the security door lock, in particular to a door closing device of the security door lock, which comprises a lock frame, wherein a spring bolt and a lock head used for theft prevention are arranged in the lock frame in a sliding way, a motor used for driving the lock head to move and a control circuit used for controlling the motor to move are arranged on the lock frame, a gear set is arranged between the motor and the lock head, and the motor drives the gear set to move and drives the lock head to slide relative to the lock frame; be provided with built-in group battery and stand-by battery commonly used on the lock frame, group battery commonly used and stand-by battery all are connected with the lock panel electricity of AND gate both sides, the utility model aims at providing a security is high, convenient to use's security door lock's door closing device.

Description

Door closing device of anti-theft door lock

Technical Field

The utility model belongs to the technical field of the pickproof lock, in particular to door closing device of pickproof lock.

Background

With the development and progress of society, the requirements of people on the safety and the manageability of the lockset are continuously improved, and the traditional mechanical lock can not meet the requirements of people in the aspects of safety and manageability, so that the security door is widely used, can resist abnormal opening under certain conditions within a certain time, has certain safety protection performance and accords with the corresponding security level of the security door, and the security level of the security door is directly related to the life and property of thousands of households. The anti-theft door is now an indispensable product for each household, and can guarantee the safety of life and property of people. The existing security door lock is single in structure, few in function, and generally can be opened by rotating a key, a handle is required to be screwed by a hand when the door is opened, the requirements of modern people in different levels can not be met, the security door lock needs to be locked by the key, and a user often forgets to completely lock the security door when in an emergency, so that financial loss is caused.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a high, convenient to use's security against burglary lock's door closing device of security.

The purpose of the utility model is realized like this:

a door closing device of a theft-proof door lock comprises a lock frame, wherein a lock tongue and a theft-proof lock head are arranged in the lock frame in a sliding mode, a motor for driving the lock head to move and a control circuit for controlling the motor to move are arranged on the lock frame, a gear set is arranged between the motor and the lock head, and the motor drives the gear set to move and drives the lock head and the lock frame to slide relatively; the lock frame is provided with a built-in common battery pack and a standby battery pack, and the common battery pack and the standby battery pack are electrically connected with the door lock panels on two sides of the door.

The door frame is provided with a lock frame, the lock frame is provided with a lock head, the lock frame is provided with a lock bolt, the lock bolt is provided with a sensing device, the sensing device is used for detecting the motion mode of the lock bolt, the sensing device detects that the door frame drives the lock bolt to contract into the lock frame and then to extend out of the lock frame, and the control circuit controls the motor to move and drives the lock head to extend out of the lock frame.

The sensing device comprises a sensing magnet arranged on the spring bolt and two groups of Hall elements arranged on the lock frame, the spring bolt firstly retracts into the lock frame in the closing process of the anti-theft door, the two groups of Hall elements judge that a user prepares to lock the door by sequentially sensing the sensing magnet, when the anti-theft door is completely closed, the two groups of Hall elements sense the sensing magnet to reset, and the control circuit controls the lock head to stretch out to lock the door.

The gear set comprises a reduction gear set and a gear lock cylinder, the gear lock cylinder is matched with the reduction gear set, when a user unlocks through a mechanical key, the mechanical key controls the gear lock cylinder to rotate, and the lock head is controlled to shrink into the lock frame through the gear set.

The anti-theft door is characterized in that a mounting frame is fixedly arranged on the lock tongue, a rack matched with a gear set is detachably arranged on the mounting frame, the mounting frame and the rack are relatively fixed, the gear set controls the tapered end to retract through the rack in the automatic opening process of the anti-theft door, when the tapered end retracts into the lock frame, the mounting frame is separated from the rack, and the rack drives the lock tongue to retract; in the process of locking the door of the anti-theft door, the rack drives the lock head to move and enables the mounting frame and the rack to be relatively fixed.

The mounting bracket is provided with a limiting part, when the anti-theft door is reversely locked, the lock head extends out of the lock bracket, and the limiting part is tightly propped against the lock tongue, so that the lock tongue can not be retracted.

The motor is a bidirectional output motor, an output shaft at one end of the motor is connected with the gear set, and an induction unit for detecting the rotation angle of the motor is arranged on an output shaft at the other end of the motor.

A protective shell is arranged in the lock frame, and the control circuit and the sensing device are arranged in the protective shell.

The anti-theft door is characterized in that a driving rod is arranged on the lock tongue in a sliding mode, the sensing device is arranged on the driving rod and electrically connected with the control circuit, when the anti-theft door is closed, the door frame drives the lock tongue to retract into the lock frame, the sensing device detects position information of the driving rod, and the control circuit controls the motor to move and drives the lock head to extend out of the lock frame, so that automatic back locking is achieved.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. be provided with the motor that is used for driving the tapered end motion on the lock frame and control circuit of control motor motion, be provided with the gear train between motor and the tapered end, motor drive gear train motion drives tapered end and lock frame relative slip, be provided with built-in group battery commonly used and reserve battery group on the lock frame, group battery commonly used and reserve battery group all are connected with the lock panel electricity of AND gate both sides, and this structure is favorable to improving the stand-by time of security door lock, and is favorable to avoiding the group battery to be normally demolishd, improves security door lock's security.

2. Be provided with on the lock frame and detect induction system who is used for detecting spring bolt positional information, induction system is connected with the control circuit electricity, in the process of closing when the burglary-resisting door, door frame drive spring bolt contracts in the lock frame, induction system detects the positional information of actuating lever, control circuit control motor motion and drive tapered end stretch out the lock frame, realize automatic back locking, judge closing of burglary-resisting door through the motion that detects the spring bolt in this structure, and through the motion of motor drive tapered end, make the automatic locking of burglary-resisting door lock die, the person of facilitating the use uses, avoid the user to forget and lock the burglary-resisting door lock die.

3. Induction system including setting up the response magnet on the spring bolt and setting up two sets of hall element on the lock frame, the in-process is closed to the burglary-resisting door, the spring bolt at first contracts the lock frame, when the burglary-resisting door closes completely, two sets of hall element judge the user through sensing response magnet in proper order and accomplish and close the door, control circuit control tapered end stretches out and locks the door, this structure is convenient for control circuit accuracy and judges whether the burglary-resisting door is being closed, avoid because the spring bolt is touched the judgement that influences control system by accident, lead to the tapered end accident to stretch out, influence the use of burglary-resisting door lock.

4. The gear train includes reduction gear and gear lock core, gear lock core and reduction gear cooperation, and when the user unblanked through mechanical key, mechanical key control gear lock core rotated to shrink in to the lock frame through gear train control tapered end, the user can utilize controlling means and mechanical key to open the door simultaneously, convenient to use person controls the pickproof lock in a flexible way.

5. The utility model discloses a fixed mounting bracket that is provided with on the spring bolt, can dismantle on the mounting bracket and be provided with the rack of gear train complex, the burglary-resisting door is automatic to be opened the in-process, at first mounting bracket and rack relatively fixed, the gear train passes through the shrink of rack control tapered end, when the tapered end contracts in the lock frame, mounting bracket and rack separation, rack drive spring bolt shrink; in the process of locking the door of the anti-theft door, the rack drives the lock head to move and enables the mounting frame and the rack to be relatively fixed, the structure is convenient for the motor to control the lock bolt to automatically unlock, and the free extension and retraction of the lock bolt caused by the influence of the mounting frame are avoided, the mounting frame is provided with a limiting part, when the anti-theft door is reversely locked, the lock head extends out of the lock frame, the limiting part supports against the lock bolt, the lock bolt can not be retracted, and the safety of the anti-theft door lock is improved.

6. The motor of the utility model is a bidirectional output motor, the output shaft at one end of the motor is connected with a gear set, the output shaft at the other end of the motor is provided with a sensing unit for detecting the rotation angle of the motor, the structure is convenient for controlling the motion distance of the lock head, and the motor is prevented from being blocked to cause overlarge current in the motor, thereby causing the damage of the motor, and the structure is favorable for saving electricity; the anti-theft door lock is characterized in that a protective shell is arranged in the lock frame, the control circuit, the sensing device and the sensing unit are arranged in the protective shell, the structure is favorable for protecting the control circuit, the sensing device and the sensing unit, and water and sundries are prevented from contacting with electrical elements in the using process, so that the anti-theft door lock is prevented from being damaged.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a second schematic structural diagram of the present invention;

fig. 3 is one of the use state reference diagrams of the present invention;

fig. 4 is a second usage state reference diagram of the present invention.

The reference numbers in the figures mean: 1-locking frame; 2-a bolt; 3-a lock head; 4-a motor; 5-a reduction gear set; 6-a rack;

7-a gear lock cylinder; 8-common battery pack; 9-day ground hook; 11-a circuit board; 12-a first limit groove;

13-a second stop bar; 14-a protective shell; 21-a drive rod; 22-a baffle; 23-an induction magnet;

24-a hall element; 25-a speed sensor; 26-a compression spring; 31-a mounting frame; 32-first limiting rod

33-bayonet; 41-a sensing unit; 51-a reduction gearbox; 52-a drive gear; 61-a limiting part;

62-a second limit groove; 81-spare battery.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which:

referring to fig. 1 to 4, a door closing device of a security door lock comprises a lock frame 1 arranged in a door, a bolt 2 and a lock head 3 for preventing theft are arranged in the lock frame 1 in a sliding manner, a motor 4 for driving the lock head 3 to move and a control circuit for controlling the motor 4 to move are arranged on the lock frame 1, the control circuit comprises a circuit board 11 for controlling the motor 4 to move, a gear set is arranged between the motor 4 and the lock head 3, and the motor 4 drives the gear set to move and drives the lock head 3 and the lock frame 1 to slide relatively.

Be provided with on the lock frame 1 and detect the induction system who is used for detecting 2 positional information of spring bolt, induction system is connected with control circuit electricity, close the in-process when the burglary-resisting door, door frame drive spring bolt 2 contracts in the lock frame 1, induction system detects the positional information of spring bolt 2, control circuit control motor 4 moves and drive tapered end 3 stretches out lock frame 1, realize automatic anti-lock, judge closing of burglary-resisting door through the motion that detects spring bolt 2 in this structure, and drive tapered end 3 through motor 4 and move, make the automatic locking of burglary-resisting door lock die, the person of facilitating the use uses, avoid the user to forget and lock the burglary-resisting door lock die.

The utility model discloses it is preferred induction system is including setting up induction magnet 23 on spring bolt 2 and setting up two sets of hall element 24 on lock frame 1, the in-process is closed to the burglary-resisting door, spring bolt 2 at first contracts lock frame 1, when the burglary-resisting door closes completely, two sets of hall element 24 judge that the user accomplishes the door of closing through sensing induction magnet 23 in proper order, control circuit control tapered end 3 stretches out and locks the door, when only a set of hall element 24 senses induction magnet 23, motor 4 is out of work, it leads to tapered end 3 unexpected stretching out to avoid the user to touch spring bolt 2 accidentally, the person of facilitating the use uses.

The sensing device further comprises a speed sensor 25 for detecting the movement speed of the bolt 2, in the door closing process, the speed sensor 25 senses the movement of the bolt 2, the control circuit controls the Hall element 23 to start working, and the structure is favorable for reducing the energy consumption of the Hall element 23 and prolonging the standby time.

Preferably, the gear set comprises a reduction gear set 5 and a gear lock cylinder 7, the gear lock cylinder 7 is matched with the reduction gear set 5, when a user unlocks the lock through a mechanical key, the mechanical key controls the gear lock cylinder 7 to rotate, and controls the lock head 3 to retract into the lock frame 1 through the gear set, in this embodiment, the reduction gear set 5 preferably comprises a reduction gear box 51 and a transmission gear 52, and the gear lock cylinder 7 is matched with the transmission gear 52.

The lock bolt 2 is fixedly provided with a mounting frame 31, in the embodiment, the lock frame 1 is provided with eight sets of lock bolts 2, the eight sets of lock bolts 2 are fixedly connected with the mounting frame 31, the mounting frame 31 is detachably provided with a rack 6 matched with a gear set, in the embodiment, preferably, the rack 6 is provided with a clamping part, the mounting frame 31 is provided with a bayonet 33 matched with the clamping part, the mounting frame 31 is detachably connected with the rack 6 through the matching of the clamping part and the bayonet 33, in the embodiment, in the automatic opening process of the anti-theft door, firstly, the mounting frame 31 is relatively fixed with the rack 6, the gear set controls the tapered end 3 to shrink through the rack 6, preferably, the mounting frame 31 is provided with a first limiting rod 32, the lock frame 1 is provided with a first limiting groove 12 matched with the first limiting rod 32, and the first limiting groove 12 is matched with the first limiting rod 32 to, when tapered end 3 contracts lock frame 1, first gag lever post 32 supports the one end at first spacing groove 12, and then the gear train continues drive rack 6 motion, makes joint portion and bayonet 33 separation to make mounting bracket 31 and rack 6 separate, rack 6 drive spring bolt 2 shrink.

Preferably, a second limit groove 62 is formed in the rack 6, a second limit rod 13 matched with the second limit groove 62 is arranged on the lock frame 1, and the second limit groove 62 is matched with the second limit rod 13 to guide the rack 6 and limit the motion range of the rack 6; in-process is locked to the burglary-resisting door, 3 movements of rack 6 drive tapered end make joint portion and bayonet socket 33 cooperation to make mounting bracket 31 and rack 6 relatively fixed, this structure is convenient for motor 4 control spring bolt 2 and is unblanked automatically, and avoids mounting bracket 31 to influence the freedom of spring bolt 2 and stretch out and draw back.

Preferably, the mounting frame 31 is provided with a limiting part 61, when the anti-theft door is reversely locked, the lock head 3 extends out of the lock frame 1, and the limiting part 61 abuts against the lock tongue 2, so that the lock tongue 2 cannot be retracted, and the safety of the anti-theft door lock is improved.

The utility model preferably arranges a driving rod 21 on the lock tongue 2, a baffle 22 is arranged on the driving rod 21, the mounting rack 31 drives the lock head 3 to contract into the lock rack 1 during the unlocking process, then the mounting rack 31 is separated from the rack 6, the limiting part 61 is tightly propped against the baffle 22, and drives the bolt 2 to shrink towards the lock frame 1, the structure simplifies the driving structure of the lock tongue, is convenient for production and installation, and after the lock is unlocked, the motor 4 drives the rack 6 to reset through the gear set, so that the bolt 2 extends out of the lock frame 2, preferably, the driving rod 21 is sleeved with a compression spring 26 for driving the bolt to return, in the door closing process, the door frame is tightly propped against the bolt 2 to drive the bolt 2 to contract into the lock frame 1, when the door is closed, the compression spring 26 drives the bolt 2 to extend out and makes the door frame and the security door relatively fixed, so that the security door is prevented from rotating freely, and the door is convenient for a user to use.

The motor 4 is a bidirectional output motor 4, an output shaft at one end of the motor 4 is connected with the gear set, and an induction unit 41 for detecting the rotation angle of the motor 4 is arranged on an output shaft at the other end of the motor 4, so that the structure is convenient for controlling the movement path of the lock head 3, and the motor 4 is prevented from being blocked to cause overlarge current in the motor 4, thereby causing the damage of the motor 4, and the structure is favorable for saving electricity; in this embodiment, it is preferable that the protective housing 14 is arranged in the lock frame 1, the circuit board 11 and the sensing device are both arranged in the protective housing 14, the structure is favorable for protecting the control circuit and the sensing device, and water and sundries are prevented from contacting with electrical elements in the using process, so that the security door lock is damaged, in this embodiment, the sensing magnet 23 is arranged on the driving rod 21, the speed sensor 25 detects the movement speed of the driving rod 21, and the structure is convenient for arranging the sensing magnet 23, the hall element 22 and the speed sensor 25 in the protective housing 14, and is convenient to produce and install.

Door both sides are provided with the lock panel in this embodiment, group battery 8 commonly used and the lock panel electricity of reserve battery 81 all with the door both sides are connected, be provided with group battery 8 commonly used and reserve battery 81 in the lock frame 1, when pickproof lock and lock panel normal power supply, control circuit and lock panel are by group battery 8 power commonly used, and external power source charges to group battery 8 commonly used, when 8 electric quantities of group battery commonly used are not enough, reserve battery 81 supplies power to control circuit and lock panel, this structure is favorable to improving the stand-by time of pickproof lock, and be favorable to avoiding the group battery to be demolishd by the anomaly, improve pickproof lock's security, the preferred group battery 8 commonly used of this embodiment and reserve battery 81 are chargeable call, be provided with the interface that charges that is used for charging for group battery 8 commonly used and reserve battery 81 on.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a closing door device of pickproof door lock, includes lock frame (1), slides in lock frame (1) and is provided with spring bolt (2) and tapered end (3) that are used for the theftproof, its characterized in that: the lock comprises a lock frame (1), and is characterized in that a motor (4) for driving a lock head (3) to move and a control circuit for controlling the motor (4) to move are arranged on the lock frame (1), a gear set is arranged between the motor (4) and the lock head (3), and the motor (4) drives the gear set to move and drives the lock head (3) and the lock frame (1) to slide relatively; the lock frame (1) is provided with a built-in common battery pack (8) and a standby battery pack (81), and the common battery pack (8) and the standby battery pack (81) are electrically connected with the door lock panels on two sides of the door.

2. The door closing device for security door lock according to claim 1, wherein: the anti-theft door is characterized in that an induction device used for detecting the motion mode of the lock bolt (2) is arranged on the lock bolt (2), the induction device detects that the door frame drives the lock bolt (2) to contract into the lock frame (1) and then to extend out of the lock frame (1) in the closing process of the anti-theft door, and the control circuit controls the motor (4) to move and drives the lock head (3) to extend out of the lock frame (1), so that automatic counter locking is realized.

3. The door closing device for security door lock according to claim 2, wherein: the induction system comprises induction magnets (23) arranged on a lock tongue (2) and two groups of Hall elements (24) arranged on a lock frame (1), wherein the anti-theft door is closed, the lock tongue (2) firstly retracts into the lock frame (1), the two groups of Hall elements (24) judge that a user prepares to lock the door by sequentially sensing the induction magnets (23), when the anti-theft door is completely closed, the two groups of Hall elements (24) sense the induction magnets (23) to reset, and a control circuit controls a lock head (3) to stretch out to lock the door.

4. The door closing device for security door lock according to claim 1, 2 or 3, wherein: the gear set comprises a reduction gear set (5) and a gear lock cylinder (7), the gear lock cylinder (7) is matched with the reduction gear set (5), when a user unlocks through a mechanical key, the mechanical key controls the gear lock cylinder (7) to rotate, and the lock head (3) is controlled to shrink into the lock frame (1) through the gear set.

5. The door closing device for security door lock according to claim 4, wherein: the safety door is characterized in that a mounting frame (31) is fixedly arranged on the bolt (2), a rack (6) matched with a gear set is detachably arranged on the mounting frame (31), the mounting frame (31) and the rack (6) are relatively fixed, the gear set controls the tapered end (3) to contract through the rack (6) in the automatic opening process of the safety door, when the tapered end (3) contracts into the lock frame (1), the mounting frame (31) is separated from the rack (6), and the rack (6) drives the bolt (2) to contract; in the process of locking the door of the anti-theft door, the rack (6) drives the lock head (3) to move and the mounting frame (31) and the rack (6) are relatively fixed.

6. The door closing device for security door lock according to claim 5, wherein: the mounting frame (31) is provided with a limiting part (61), when the anti-theft door is reversely locked, the lock head (3) extends out of the lock frame (1), and the limiting part (61) is tightly abutted against the lock bolt (2), so that the lock bolt (2) cannot be retracted.

7. The door closing device for security door lock according to claim 1, 2, 3, 5 or 6, wherein: the motor (4) is a bidirectional output motor (4), an output shaft at one end of the motor (4) is connected with the gear set, and an induction unit (41) for detecting the rotation angle of the motor (4) is arranged on an output shaft at the other end of the motor (4).

8. The door closing device for security door lock according to claim 7, wherein: a protective shell (14) is arranged in the lock frame (1), and the control circuit and the induction device are both arranged in the protective shell (14).