CN200999499Y

CN200999499Y - Spring bolt locking mechanism of lockset

Info

Publication number: CN200999499Y
Application number: CNU200720047415XU
Authority: CN
Inventors: 邓云标
Original assignee: Individual
Current assignee: Deng Yunhan
Priority date: 2007-01-08
Filing date: 2007-01-08
Publication date: 2008-01-02
Anticipated expiration: 2017-01-08

Abstract

The utility model discloses a bolt locking mechanism of lockset, which comprises a bolt lock blade and a locking mechanism. Wherein, the bolt lock blade is provided with buckle parts cooperating with the bolt for locking; the locking mechanism comprises a lock lever and a driving device connected with the lock lever. Under the locking state, the lock lever withstands the bolt lock blade; under the unlocking state, the lock lever is separated with the bolt lock blade. When needing locking, the driving device makes the lock lever to move and props to the bolt lock blade; the buckle parts are cooperated with the bolt to lock the bolt, thus, even if the mechanical lock bile is opened by the mechanical keys or by using other methods, the bolt can not be opened still and the secondary locking is realized. The locking mechanism is simple in structure for only needs to realize the lock lever movement, so the corresponding driving device can be realized by adopting simple structure, thus saving energy and reducing waste with higher reliability. In addition, when using tools to prize the bolt forcibly, the structure between the bolt and the bolt lock blade is difficult to damage, thus the anti prizing performance is increased.

Description

A kind of dead bolt retaining mechanism of lockset

Technical field

The utility model relates to a kind of dead bolt retaining mechanism of lockset.Especially the dead bolt retaining mechanism on a kind of electric control lockset.

Background technology

The mechanical key that existing lockset generally all needs to match can be opened, but all there is certain defective in these mechanical locksets, so the people who also exists some that lock structure is very familiar in the society, even utilize some lockset design defect not use the mechanical key that matches also can open lockset.In order to address the above problem, on the market a kind of electric control lock has appearred now, at first mechanical lock gall is locked with mechanical key or automatically controlled form, at the other secondary locking device that also is provided with of mechanical lock gall, the automatically controlled form of general employing is locked with the lock core of mechanical lock gall, this electric control gear generally adopts electronic cipher to encrypt, on mechanical key, be provided with electron key accordingly in addition, when unblanking, need utilize electron key to open the secondary locking device earlier, will could open mechanical lock gall with mechanical key after the release of mechanical lock gall dead bolt.Because electron key adopts electronic technology to encrypt, and generally is difficult to crack at short notice, so just can increase the reliability of lockset greatly.But, at present be used to lock the structure more complicated of dead bolt in the secondary locking device, and reliability being not high, the robber might tool using picking lock tongue, makes the retaining mechanism of dead bolt suffer damage inactivation.And existing dead bolt retaining mechanism design is complicated, has increased the driving power consumption of secondary locking device, thereby has had influence on the electrical problem of secondary locking device, often changes battery as needs and causes trouble or use high capacity cell to increase cost or the like.

Summary of the invention

The purpose of this utility model is to provide a kind of dead bolt retaining mechanism of lockset, simple in structure, dependable performance.

The utility model is to realize above-mentioned purpose like this:

A kind of dead bolt retaining mechanism of lockset comprises dead bolt locking plate and retaining mechanism, it is characterized in that described dead bolt locking plate is provided with the fastener that cooperates locking with dead bolt, and described retaining mechanism comprises locking bar and the drive unit that links to each other with locking bar; At lock-out state, locking bar withstands the dead bolt locking plate, and at released state, locking bar and dead bolt locking plate break away from.

The beneficial effects of the utility model are: when needs lock, drive unit makes locking bar move, and with withstand the dead bolt locking plate, this moment, the dead bolt locking plate just can not move, and fastener also cooperates with dead bolt, and dead bolt is locked, like this, even use mechanical key or additive method that mechanical lock gall is opened, dead bolt still can't be opened, and realizes the secondary locking; Locking mechanism structure is simple, only needs to realize the motion of locking bar, so the corresponding driving device can adopt simple structure to realize that energy-saving consumption-reducing, and reliability so more is also higher; In addition, when utilizing instrument to prize dead bolt by force, the structure between dead bolt and the dead bolt locking plate is difficult to destroyed, and the pick-proof performance also is improved.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is embodiment one a released state schematic diagram of the present utility model;

Fig. 2 is embodiment one a lock-out state schematic diagram of the present utility model;

Fig. 3 is embodiment two released state schematic diagrames of the present utility model;

Fig. 4 is embodiment two lock-out state schematic diagrames of the present utility model;

Fig. 5 is embodiment three released state schematic diagrames of the present utility model;

Fig. 6 is embodiment three released state schematic diagrames of the present utility model.

The specific embodiment

With reference to Fig. 1, Fig. 2, the basic structure of existing lockset is dead bolt 4, lock core etc., the utility model provides a kind of dead bolt retaining mechanism of lockset, comprise dead bolt locking plate 1 and retaining mechanism, described dead bolt locking plate 1 is provided with the fastener 11 that cooperates locking with dead bolt 4, and described retaining mechanism comprises locking bar 21 and the drive unit 22 that links to each other with locking bar 21.The course of work of retaining mechanism is as follows, and at lock-out state, drive unit 22 makes locking bar 21 withstand dead bolt locking plate 1, this moment, fastener 11 cooperated with dead bolt 4 dead bolt 4 lockings, even if mechanical lock gall is opened by mechanical key, but still can not open, realize the secondary locking; When needing the locking of contact secondary, need utilize electron key, start drive unit 22, this hour locking lever 21 breaks away from dead bolt locking plate 1, and the fastener 11 of dead bolt locking plate 1 separates with dead bolt 4, and so mechanical lock gall is opened back dead bolt 4 by mechanical key and just can be opened.Locking mechanism structure is simple, only needs to realize the motion of locking bar 21, so corresponding driving device 22 can adopt simple structure to realize that energy-saving consumption-reducing, and reliability so more is also higher; In addition, when utilizing instrument to prize dead bolt 4 by force, the structure between dead bolt 4 and the dead bolt locking plate 1 is difficult to destroyed, and the pick-proof performance also is improved.

Wherein, described locking bar 21 slidably is installed on the guide rail, and back-moving spring 23 is arranged, and the one end links to each other with the lock body of lockset, and the other end links to each other with locking bar 21 1 ends.Released state, drive unit 22 promotion locking bars 21 make with dead bolt locking plate 1 and separate and back-moving spring 23 compressions; Lock-out state, drive unit 22 resets, and this moment, back-moving spring 23 was lax, promoted locking bar 21 and withstood dead bolt locking plate 1, with dead bolt 4 lockings.

Locking bar 21 can also have other structures, with reference to Fig. 5 and Fig. 6, described locking bar 21 1 ends are by rotating shaft 24 rotatable being installed on the lock body, and the other end is connected with back-moving spring 23, equally, released state, drive unit 22 promote

locking bar

21 and 24 rotate around the shaft, and locking bar 21 is separated with dead bolt locking plate 1, under the lock-out state, drive unit 22 retractions, locking bar 21 withstands dead bolt locking plate 1 under back-moving spring 23 effects, with dead bolt 4 lockings.

Described dead bolt locking plate 1 is provided with pilot hole 12, on the lock body of lockset, be provided with lead 3, pilot hole 12 cooperates with lead 3, that is to say that dead bolt locking plate 1 can only be along the direction activity of lead 3 and pilot hole 12, because the direction of motion of dead bolt 4 is vertical with the direction of motion of dead bolt locking plate 1, therefore when the fastener 11 of dead bolt locking plate 1 cooperates with dead bolt 4,, can guarantee safety like this even dead bolt 4 tool usings also are difficult to be prized.

Drive unit 22 can have multiple mode to realize, the utility model has designed the structure of two kinds of drive units accordingly mainly from the angle of energy-conservation province consumption.

Embodiment one, the spur rack 223 that drive unit 22 comprises motor 221, is connected the gear 222 on motor 221 output shafts and cooperates with gear 222, and the end of spur rack 223 links to each other with an end of locking bar 21.By the rotating of control motor 221, drive moving forward and backward of spur rack 223 and realize the cooperation of locking bar 21 and dead bolt locking plate 1 or separate, the just locking of dead bolt 4 or released state are with reference to Fig. 1, Fig. 2.

Embodiment two, drive unit 22 comprises motor 221, the gear train 224 that links to each other with motor 221 output shafts, the output gear of gear train 224 is connected with driving shaft 225, the locking piece 226 of hollow is housed on the axle, there is spring 227 to be socketed on the driving shaft 225 and withstands in the cavity of locking piece 226, driving shaft 225 is provided with pin 228 on perpendicular to axis direction, this pin 228 and spring 227 interlocks, and locking piece 226 links to each other with locking bar 21 1 ends.Also be rotating driving driving shaft 225 positive and negative rotations by motor 221, thereby making spring 227 partial compression drive locking piece 226 by the pin on the axle 228 again moves forward and backward, realize the cooperation of locking bar 21 and dead bolt locking plate 1 or separate, the just locking of dead bolt 4 or released state are with reference to Fig. 3, Fig. 4.

Both are structurally very simple, have guaranteed the reliability of lockset on the one hand, and just fault rate is low; Power consumption is very low on the other hand, even use four joint dry cells of common capacity also can repeat work more than 100,000 times, has avoided frequent replacing battery to cause trouble or use high capacity cell to increase cost or the like problem.

Claims

1. the dead bolt retaining mechanism of a lockset comprises dead bolt locking plate (1) and retaining mechanism, it is characterized in that described dead bolt locking plate (1) is provided with the fastener (11) that cooperates locking with dead bolt, and described retaining mechanism comprises locking bar (21) and drive unit (22); At lock-out state, locking bar (21) withstands dead bolt locking plate (1), and fastener (11) cooperates with dead bolt (4) dead bolt (4) is locked; At released state, locking bar (21) breaks away from dead bolt locking plate (1).

2. the dead bolt retaining mechanism of a kind of lockset according to claim 1 is characterized in that described locking bar (21) slidably is installed on the guide rail, and back-moving spring (23) is arranged, and the one end links to each other with the lock body of lockset, and the other end links to each other with locking bar (21) one ends.

3. the dead bolt retaining mechanism of a kind of lockset according to claim 1 is characterized in that described locking bar (21) one ends are installed on the lock body by rotating shaft (24) is rotatable, and the other end is connected with back-moving spring (23).

4. the dead bolt retaining mechanism of a kind of lockset according to claim 1 is characterized in that described dead bolt locking plate (1) is provided with pilot hole (12), is provided with lead (3) on the lock body of lockset, and pilot hole (12) cooperates with lead (3).

5. the dead bolt retaining mechanism of a kind of lockset according to claim 1, it is characterized in that the spur rack (223) that drive unit (22) comprises motor (221), is connected the gear (222) on motor (221) output shaft and cooperates with gear (222), the end of spur rack (223) links to each other with an end of locking bar (21).

6. the dead bolt retaining mechanism of a kind of lockset according to claim 1, it is characterized in that drive unit (22) comprises motor (221), the gear train (224) that links to each other with motor (221) output shaft, the output gear of gear train (224) is connected with driving shaft (225), the locking piece (226) of hollow is housed on the axle, having spring (227) to be socketed in driving shaft (225) goes up and withstands in the cavity of locking piece (226), driving shaft (225) is provided with pin (228) on perpendicular to axis direction, this pin (228) and spring (227) interlock, locking piece (226) links to each other with locking bar (21) one ends.