CN101725282B - Low-noise safe-guard door lock for buildings - Google Patents

Abstract

The invention belongs to the technical field of electronically controlled building antitheft door locks, and relates to an electronically controlled building antitheft door lock with low noise when a single deadbolt is closed. It is characterized in that the lock is mainly composed of a lock case, a bolt rod, an electromagnet system, a spring energy storage device and a manual unlocking part. The internal device of the lock uses the main spring to store energy, and the main spring and the auxiliary spring together control the movement of the deadbolt rod, and use the mechanical structure to perform a series of positioning, limit and reset to control the telescopic movement of the deadbolt, and use the electric control system to realize The triggering of the action of the mechanical structure achieves the purpose of opening the door electrically. The effects and benefits of the present invention are: the mechanical structure is adopted, and the internal structure is simple; the opening and closing of the electronically controlled door is realized by using a single lock tongue, which reduces the closing impulse of the door body, reduces the impact amount of the lock tongue and the door frame, and is beneficial to reduce noise.

Description

A low-noise building anti-theft door lock

technical field

The invention belongs to the technical field of electronically controlled building door locks, and relates to the design of an electronically controlled building antitheft door lock with low noise when a single deadbolt is closed.

Background technique

Building anti-theft door locks are an important part of building doors in modern residential quarters. At present, most of the existing building door locks are double-bolt type electronically controlled door locks. One dead bolt plays the role of locking the door, and the other dead bolt is an energy-storing dead bolt. The energy-storage deadbolt is only used to store energy when the door is closed, so that the user can realize electronic control to open the door indoors. But the energy-storage dead bolt of existing this kind of building door lock is owing to realize utilizing the potential energy of spring to pull another dead bolt back to lock box, and its internal connection spring must have certain stiffness coefficient, so just needs bigger locking. The door force can make the energy storage deadbolt retract into the lock box when the door is closed, so as to achieve the purpose of energy storage. In addition, due to the existence of two deadbolts, the force required to close the door is further increased. At the same time, due to the difference in shape and position of the two deadbolts, they are not in contact with the door frame at the same moment, thus forming a secondary impact, which will require Greater initial closing force to achieve closing. It is precisely because the door lock of the anti-theft door needs a large impulse to close the door, the door closer will accelerate the door to close when the door closes to a certain angle, so as to obtain a large impulse to achieve the purpose of closing the door, so that Produce very big noise, and also there is certain speed in door body after deadbolt is pressed into lock box, will further make noise increase after door body collides with door frame. That is, the greater the force required to lock the door of a building, the greater the noise produced.

At present, the door body of buildings in ordinary residential areas is made of cold-rolled steel door, which is prone to noise when it hits, and coupled with the huge noise caused by the door lock when the door is closed, the noise of closing the door seriously exceeds the national environmental noise limit. The standard value directly affects the daily life of residents on the first and second floors, especially the night sleep of residents in the community. However, due to the loud noise caused by the closing of the building doors, some residents in the community deliberately refused to close the doors, and the door locks of the building doors were artificially damaged. In the case of long-term lack of maintenance, the building security doors are useless, posing a greater risk to life safety.

Contents of the invention

The technical problem to be solved by the present invention is to provide a lockset, especially an electric control lock for a building security door with a single bolt, which is used to reduce the impact noise when the building security door is closed.

The technical solution of the present invention is to provide a building security door electric control lock with a single deadbolt, which is mainly composed of a lock box 24, a deadbolt rod 11, an electromagnet system 1, a spring energy storage device part and a manual unlocking part. The energy storage device part adopts a mechanical structure, which consists of a follower lever 2, a main spring 7, an auxiliary spring 4, a first moving square block 6 and a second moving square block 10, a first positioning block 8 and a second positioning block 13, a first Fixed column 9 and the second fixed column 14, Y-shaped control rod 12, tension spring 15, limit rod 17, rod sleeve 16, positioning control block 19, chute 18 constitute. The manual unlocking part is made of a toothed sheet 22, a spring sheet 20, and a key rotating body 23.

The first positioning block (8) and the second positioning block (13) are installed on the upper and lower sides of the deadbolt bar (11). The bottom is provided with a first fixed column (9) with a torsion spring, and the middle and upper part of the second positioning block (13) is provided with a second fixed column (14) with a torsion spring, and the second positioning block (13) is a lever structure; The two supporting heads on the top of the Y-shaped control rod (12) withstand the first positioning block (8) and the second positioning block (13) respectively, and the cross bar and the limit rod (17) at the bottom of the Y-shaped control rod (12) One end of the contact is equipped with a roller, a fixed post is provided at the middle part of the Y-shaped control lever (12), and a tension spring (15) is provided at the lower part; The sleeve (16) at the bottom, the upper left end of the stop rod (17) is connected with the chute (18) by a strip cylinder, and the bottom right part of the stop rod (17) is in contact with the bottom cross bar of the Y-shaped control rod (12); The top of the positioning control block (19) is an annular contact, and a chute (18) is provided near the position of the fixed column.

In this structure: the lock cylinder rod 11 is provided with a first moving square block 6 and a second moving square block 10, which can move left and right according to the spring force, the two springs on the deadbolt rod 11, the stiffness coefficient of the main spring 7 is greater than that of the secondary Spring 4; distance moving square block 10 a deadbolt length place on deadbolt bar 11 directions, along deadbolt bar 11 upper and lower both sides, two ends are installed with the first positioning block 8 and the second positioning block 13 that are triangular, the first The lower bottom of a positioning block 8 is provided with the first fixed column 9 with torsion spring, the middle and upper part of the second positioning block 13 is provided with the second fixed column 14 with torsion spring, the first positioning block 8 and the second positioning block 13 It can rotate around the first fixed column 9 and the second fixed column 14 at a small angle respectively, and can reset under the effect of the torsion spring; the Y-shaped control rod 12 is shaped like the English letter Y, and there is a fixed cylinder in the middle, and its layout position should make The two supporting heads on the top respectively bear against the first positioning block 8 and the second positioning block 13 during energy storage, so that the first positioning block 8 and the second positioning block 13 cannot rotate, and the bottom cross bar of the Y-shaped control rod 12 is restricted. One end of position bar 17 supports is equipped with roller, facilitates the movement of stop bar 17, and Y-shaped control bar 12 lower halfs are equipped with extension spring 15, realizes reset after opening the door to facilitate it; Located below the positioning control block 19, its lower right part is in contact with the bottom crossbar of the Y-shaped control rod 12, and a bar-shaped cylinder is installed on the upper left end to slide in the chute 18 on the positioning control block 19. At the moment when the door is opened, the limit rod 17 is separated from the bottom of the Y-shaped control rod 12, and the limit rod 17 passes through a cylindrical rod sleeve 16 fixed on the bottom of the lock box to mainly control the limit rod 17 to move in this fixed direction; At the deadbolt bar 11 place of the left part of the first mobile square block 6, a fixed nut 5 is installed, and the upper end of the first mobile square block is stuck in the V-shaped notch on the positioning control block 19, and it utilizes the positioning control block 19 to shift and Reset, when the door is closed, the positioning control block 19 does not move, and the moving square block 6 is positioned to realize energy storage. When the door is opened, the positioning control block 19 rotates, and the potential energy of the main spring 7 is used to move the moving square block 6 to the left quickly, driving the deadbolt Rod 11 moves to the left, dead bolt is retracted into lock box 24, realizes opening the door; Positioning control block 19 can be provided with fixed post to rotate around it, and the position of positioning control block 19 can make the annular contact of its top hit at the moment of opening the door. To the Y-shaped control rod 12, the Y-shaped control rod 12 is rotated and loses the supporting effect on the first positioning block 8 and the second positioning block 13. The V-shaped structure at the bottom of the positioning control block 19 can realize the use of the follow-up lever 2 and the electromagnetic The iron system 1 is positioned, and the V-shaped notch in the middle part of the positioning control block 19 is used to control the movement of the first moving square block 6, and the positioning control block 19 is provided with a strip chute 18.

The power-on and power-off of the electromagnet system 1 can control the rotation of the follow-up lever 2, and the ring hook at the bottom of the toothed piece 22 can also control the rotation of the follow-up lever 2; , The key rotating body 23 can realize utilizing the key to open the door manually; the dead bolt on the dead bolt bar 11 is in the shape of an elliptical arc, which reduces impact and is convenient for closing the door.

The effects and benefits of the present invention are: the mechanical structure is adopted, and the internal structure is simple; the opening and closing of the electronically controlled door is realized by using a single lock tongue, which reduces the closing impulse of the door body, reduces the impact amount of the lock tongue and the door frame, and is beneficial to reduce noise.

Description of drawings

Accompanying drawing is the internal structure schematic diagram of door lock.

In the figure: 1 electromagnet system; 2 follow-up lever; 3 fixed block; 4 auxiliary spring; 5 fixed nut; 6 first moving square block; 7 main spring; 8 first positioning block; spring); 10 second moving square block; 11 deadbolt lever; 12Y-shaped control rod; 13 second positioning block; 14 second fixed column (with torsion spring); 15 tension spring; 16 rod sleeve; 17 limit rod ; 18 chute; 19 positioning control block; 20 spring leaf; 21 fixed column; 22 toothed piece; 23 key rotating body; 24 lock box.

Detailed ways

The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

When closing:

(1) The electromagnet system 1 is not energized, the follower lever 2 remains in its original position, the deadbolt rod 11 is pressed into the lock box, the second moving square block 10 is pressed to move to the left, and the first moving square block 6 is positioned and controlled Block 19 is blocked, and positioning control block 19 is blocked by follow-up lever, and the first moving square block 6 does not move like this, and main spring 7 and auxiliary spring 4 are compressed;

(2) Before the dead bolt on the deadbolt bar 11 is completely pressed into the lock box, the second moving square block 10 bumps into the triangular hypotenuse part of the first positioning block 8 and the second positioning block 13, and the first positioning block 8 1. The second positioning block 13 is rotated under pressure, and the second moving square block 10 continues to move to the left;

(3) When the dead bolt on the deadbolt bar 11 was fully pressed into the lock box, the second moving square block 10 just moved to the left side of the first positioning block 8 and the second positioning block 13, and the first positioning block 8 , The second positioning block 13 resets under the action of the torsion spring on the first fixed column 9 and the second fixed column 14;

(4) At this moment, since the door body is completely closed, the deadbolt bar 11 is no longer under pressure and can stretch out, and the second moving square block 10 will move to the right under the force of the main spring, but the first positioning block 8, The second positioning block 13 is supported by two top support heads of the Y-shaped control rod 12, and the Y-shaped control rod 12 is fixed by the stop bar 17, and the stop bar 17 is fixed by the positioning control block 19, so that the moving square block 10 is just stuck , and dead bolt bar 11 will be ejected under the effect of secondary spring 4.

In this way, door locking and energy storage are realized.

When opening the door electronically:

(1) The user on the floor allows outside visitors to enter, press the switch to energize the electromagnet system 1, the follower lever 2 rotates, the positioning control block 19 is rotated under the force of the first moving square block 6 to the left, and the limit lever 17 rotates with positioning control block 19 and moves;

(2) Simultaneously, the main spring 7 releases the potential energy, and the nut 5 fixed on the lock cylinder drives the lock cylinder to move to the left, the deadbolt rod 11 is pulled into the lock box, and the secondary spring 4 is compressed at the same time, when the deadbolt rod 11 is completely When pulling in the lock box 24, the door is opened;

(3) When the door is opened, the elastic forces of the main spring 7 and the secondary spring 4 are balanced, and at the same time, the limit rod 17 is separated from the bottom of the Y-shaped control rod 12, and the top annular contact of the positioning control block 19 is pressed against the Y-shaped control rod 12 instantly. At the bottom, the Y-shaped control rod 12 rotates;

(4) the first positioning block 8, the second positioning block 13 lose the support of the Y-shaped control rod 12 top support head, under the effect of the main spring 7, the second moving square block 10 will move to the right, from the first positioning block 8. The hypotenuse of the second positioning block 13 is extruded, and the positioning block 8 and the positioning block 13 are reset under the action of the torsion spring;

(5) Under the action of the main spring 7 and the auxiliary spring 4, the first moving square block 6 and the second moving square block 10 are reset, the positioning control block 19 is reset, the limit rod 17 is reset, and the Y-shaped control rod 12 is stretching Reset under the effect of spring 15, follow-up lever 2 resets momentarily when electromagnet system 1 is powered off.

In this way, the electric control door is opened, and all the mechanisms in the lock are reset.

When opening the door manually:

The personnel rotates the key rotating body 23 clockwise with the key, and the toothed sheet 22 moves to the right, drives the rotation of the follower bar 2, and the unlocking program is consistent as the electric control door opening later on, and the toothed sheet 22 utilizes the spring sheet 21 to reset.

Claims (1)

1. A low-noise building anti-theft door lock, comprising a lock box (24), a deadbolt bar (11), an electromagnet system (1), a spring energy storage device part and a manual unlocking part; the spring energy storage device part is composed of a follower Lever (2), main spring (7), secondary spring (4), first moving square block (6) and second moving square block (10), first positioning block (8) and second positioning block (13) , the first fixed column (9) and the second fixed column (14), Y-shaped control rod (12), tension spring (15), limit rod (17), rod cover (16), positioning control block (19 ), chute (18) constitute, it is characterized in that: a. The first positioning block (8) and the second positioning block (13) are installed on the upper and lower sides of the deadbolt rod (11), and their ends close to the deadbolt rod (11) are triangular, and the first positioning block (8) The lower bottom of the bottom is provided with the first fixed column (9) with torsion spring, and the middle and upper part of the second positioning block (13) is provided with the second fixed column (14) with torsion spring, and the second positioning block (13) is a lever structure; b. The two support heads on the top of the Y-shaped control rod (12) respectively withstand the first positioning block (8) and the second positioning block (13), and the cross bar and the limit rod (17) at the bottom of the Y-shaped control rod (12) One end of the contact is provided with a roller, a fixed post is provided at the middle part of the Y-shaped control rod (12), and a tension spring (15) is provided at the lower part; c. A sleeve (16) fixed on the bottom of the lock box (24) is installed in the middle of the limit rod (17). (17) the lower right part contacts with the bottom cross bar of the Y-shaped control bar (12); d. The top of the positioning control block (19) is an annular contact, and a sliding slot (18) is opened near the position of the fixed column.

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