CN207453672U - A kind of lockset with automatic identification unlocking tool - Google Patents

Abstract

The utility model provides a kind of lockset with automatic identification unlocking tool, by setting two lock cores of internal cylinder and outer lock core, and the lock hole or lock slots of the connection of Wei Yusuo roads are opened up in internal cylinder, when thief is illegally opened using unlocking tool, it can so that the contact surface between the first pellet and the second pellet is concordant with the contact surface between internal cylinder and outer lock core, so that internal cylinder can be rotated compared with outer lock core, and when internal cylinder turns to specific position compared with outer lock core, second pellet can be inserted into lock hole or lock slots under the action of resetting spring, so that lockset is locked, and when user is unlocked using key, it can not be rotated due to key error, it realizes and unlocks since key is correct, lockset will not be locked, and then realize the function of identification unlocking tool, anti-theft performance is relatively preferable.

Description

A kind of lockset with automatic identification unlocking tool

Technical field

The utility model is related to a kind of lockset, especially a kind of lockset with automatic identification unlocking tool.

Background technology

Lockset species currently on the market is various, and wherein cylinder lock set is most widely used.

Existing cylinder lock set generally includes lock core, lock housing and pellet group, and each pellet in pellet group is moved by key Position realize locking and unlocking function, but the easily stolen unlocking position stolen person and each pellet is obtained using special instrument It puts, and then is illegally opened, anti-theft performance is relatively poor.

In order to improve anti-theft performance, most of lockset manufacturing enterprise is typically to be reduced out using the quantity for increasing pellet group The unlocking rate of lock tool, but can not tackle the problem at its root, thief may be employed the mode repeatedly attempted and comes completely It is illegal to open, it is that pellet group quantity is more again, it is also matter of time to be opened.

In view of this, the applicant conducts in-depth research the structure of cylinder lock set, there is this case generation then.

Utility model content

It is relatively good with automatic identification unlocking tool the purpose of this utility model is to provide a kind of anti-theft performance Lockset.

To achieve these goals, the utility model adopts the following technical solution：

A kind of lockset with automatic identification unlocking tool, including pellet group, lock housing, be interspersed in the lock housing and with institute State lock housing rotation connection outer lock core, be interspersed in the outer lock core and with the outer lock core rotation connection internal cylinder and with The key of internal cylinder cooperation, offer in the internal cylinder to intert the lock road of the key, it is multiple respectively with it is described It locks the interior marble hole of road connection and locks road mutually disconnected lock hole or lock slots, the lock hole or the lock with described Determine slot and the interior marble hole position in the internal cylinder it is different radially, on the outer lock core with each interior marble hole pair It offers outer marble hole at the position answered respectively, shell is offered at position corresponding with each outer marble hole in the lock housing Marble hole, the pellet group include be interspersed in the interior marble hole the first pellet, be interspersed in the outer marble hole to Second pellet and the 3rd pellet and resetting spring being interspersed in the shell marble hole, the resetting spring are located at the described 3rd One side of the pellet away from the outer lock core, after the key is inserted into the lock road, each first pellet is supported in the key On, first pellet or second pellet are interspersed in simultaneously in the interior marble hole and the outer marble hole, and the described 3rd The contact surface connect between touch surface and the outer lock core and the lock housing between pellet and second pellet is concordant.

As a kind of improvement of the utility model, the inserted link of the key includes the unlocking rod for being provided with tartar and consolidates respectively Surely it is connected to the guard bar of the unlocking rod both sides.

As a kind of improvement of the utility model, be further opened with annular groove on the outer lock core, the lock housing with it is described Limit hole is offered at the corresponding position of annular groove, limited post is fixedly connected in the limit hole, the limited post is worn simultaneously It is inserted in the annular groove and can be slided in the annular groove.

Using above-mentioned technical proposal, the utility model has the advantages that：

By setting two lock cores of internal cylinder and outer lock core, and open up in internal cylinder the connection of Wei Yusuo roads lock hole or Lock slots, when thief is illegally opened using unlocking tool, can cause contact surface between the first pellet and the second pellet with Contact surface between internal cylinder and outer lock core is concordant, so that internal cylinder can be rotated compared with outer lock core, and in internal cylinder phase When turning to specific position for outer lock core, the second pellet can be inserted into lock hole or lock slots under the action of resetting spring, make Lockset is locked, and can not rotate when user is unlocked using key or due to key error or due to Key is correct and realizes and unlocks, and lockset will not be locked, and then realize the function of identification unlocking tool, and anti-theft performance is relatively It is good.

Description of the drawings

Fig. 1 is the structure diagram of the utility model lockset, clipped parts in figure；

Fig. 2 is the decomposition texture schematic diagram of the utility model lockset, clipped parts in figure, and tooth is omitted in figure Flower；

Fig. 3 is the internal cylinder structure diagram of the utility model lockset.

It is as follows that correspondence is indicated in each figure：

10- lock housings；11- shell marble holes；

12- limit holes；20- outer lock cores；

The outer marble holes of 21-；22- annular grooves；

30- internal cylinders；31- locks road；

Marble hole in 32-；33- lock holes；

40- keys；41- unlocking rods；

42- guard bars.

Specific embodiment

The utility model is described further in the following with reference to the drawings and specific embodiments.

As shown in Figure 1-Figure 3, the lockset provided in this embodiment with automatic identification unlocking tool, including pellet group (figure Not shown in), lock housing 10, be interspersed in lock housing 10 and with lock housing 10 be rotatablely connected outer lock core 20, be interspersed in outer lock core 20 And the key 40 with the internal cylinder 30 of the rotation connection of outer lock core 20 and with the cooperation of internal cylinder 30.Certainly, the lock in the present embodiment Tool has further included the parts such as lock tongue, these parts are identical with the parts in traditional spring lock, is not the present embodiment Emphasis is no longer described in detail herein.

It offers to intert the lock road 31 of key 40, multiple interior marble holes connected with lock road 31 respectively in internal cylinder 30 32 and with lock road 31 mutually disconnected lock hole 33 or lock slots, in the present embodiment, to offer locking in internal cylinder 30 It is illustrated exemplified by hole 33.Lock the section that road 31 can be slot structure or pore structure, major section shape and key 40 Form fit, in the present embodiment, lock road 31 have slot structure, the slot structure and shape after the intracavity sidewall cooperation of outer lock core 20 Into pore structure.When it is that linear pattern locks road to lock road 31, each interior marble hole 32 is arranged in order along the length direction in lock road 31, works as lock Each interior marble hole 32 is arranged in order along the direction of a curve in lock road 31 when road is locked in road 31 for shaped form.Lock hole 33 is blind hole, Quantity it is identical with the quantity of interior marble hole 32, and it is one-to-one correspond, specifically, the lock hole 33 and interior bullet that correspond Sub-aperture 32 is located on the same radial section of internal cylinder 30, and lock hole 33 is located at the different footpaths of internal cylinder 30 from interior marble hole 32 Upwards, while each lock hole 33 is all located at the same side to the interior marble hole 32 of drink and the spacing between corresponding marble hole 32 It is identical.If it should be noted that drive lock hole 33, the depth direction of lock slots and interior marble hole 32 using lock slots In internal cylinder 30 it is different radially, and the spacing between lock slots and each interior marble hole 32 is identical.

Offering outer marble hole 21 respectively at each interior 32 corresponding position of marble hole on outer lock core 20, i.e., it is corresponding outer Marble hole 21 is located at interior marble hole 32 on the same radial section of lockset, certainly, with the interior 32 corresponding lock hole of marble hole 33 also are located on the radial section.In addition, being further opened with annular groove 22 on outer lock core 20, which is located at outer lock core 20 Radial section on.

In lock housing 10 shell marble hole 11 is being offered at each outer 21 corresponding position of marble hole.In addition, lock housing 10 with Annular groove offers limit hole 12 at 22 corresponding position, and limited post (not shown) is fixedly connected in limit hole 12, should Limited post is interspersed in annular groove 22 and can be slided in annular groove 22 simultaneously, for limiting outer lock core 20 compared with lock housing 10 Rotational angle.

Pellet group include be interspersed in interior marble hole 32 the first pellet, be interspersed in outer marble hole 21 to the second pellet And the 3rd pellet and resetting spring in shell marble hole 11 are interspersed in, wherein resetting spring is located at the 3rd pellet away from outer lock core 20 one side, certainly, pellet group should also be protected to support the support plug or support portion of resetting spring, support plug or support portion Be fixedly connected in lock housing 10, specific structure is identical with conventional spring lock, in other words, pellet group in the present embodiment with The main distinction of conventional pellet group has been mostly second pellet.Due to interior marble hole 32, outer marble hole 21 and shell pellet Hole 11 have it is multiple, therefore the first pellet, the second pellet, the 3rd pellet and resetting spring also have respectively it is multiple, certainly, Ge Ge Length between one pellet, between each second pellet and between each 3rd pellet is different.

The inserted link of key 40 includes being provided with the unlocking rod 41 of tartar and is respectively fixedly connected with the shield in 41 both sides of unlocking rod Bar 42 can also set pseudo- tartar to confuse criminal on guard bar 42 if necessary.Behind the insertion lock of key 40 road 31, each first bullet Son is supported on key 40, and the first pellet or the second pellet are interspersed in simultaneously in interior marble hole 32 and outer marble hole 21, specifically, The first pellet of part is interspersed in simultaneously in interior marble hole 32 and outer marble hole 21, and the second pellet of part is interspersed in interior marble hole simultaneously 32 and outer marble hole 21 in, and connect connecing between touch surface and outer lock core 20 and lock housing 10 between the 3rd pellet and the second pellet Contacting surface is concordant, and so may be such that can drive outer lock core 20 to rotate after the rotation of key 40 by internal cylinder 30, realize and unlock.Work as key After being extracted in Shi40Cong Suo roads 31, the second pellet of part is interspersed in simultaneously in outer marble hole 21 and shell marble hole 11, part the 3rd Pellet is interspersed in simultaneously in outer marble hole 21 and shell marble hole 11, is connected in this way, no matter whether internal cylinder 30 is driven with outer lock core 20 It connects, all outer lock core 20 can not be driven to rotate, realize locking.

When thief is illegally opened using unlocking tool, can cause contact surface between the first pellet and the second pellet with Contact surface between internal cylinder 30 and outer lock core 20 is concordant, so that internal cylinder 30 can be rotated compared with outer lock core 20, and When internal cylinder 30 turns to specific position compared with outer lock core 20, the second pellet can be inserted into lock hole under the action of resetting spring 33 or lock slots so that lockset is locked, and thief also just loses the chance attempted again.And when user uses key It can not be rotated when being unlocked or due to key error or realize and unlock since key is correct, lockset will not be locked Extremely, and then the function of identification unlocking tool is realized, anti-theft performance is relatively preferable.

The utility model is described in detail above in conjunction with attached drawing, but the embodiment of the utility model and not only It is limited to the above embodiment, those skilled in the art can make various modifications according to the prior art to the utility model, such as will Resetting spring in above-described embodiment is changed to cushion etc., these belong to the scope of protection of the utility model.

Claims (3)

1. a kind of lockset with automatic identification unlocking tool, which is characterized in that including pellet group, lock housing, be interspersed in the lock In shell and with the lock housing rotation connection outer lock core, be interspersed in the outer lock core and with the outer lock core rotation connection in Lock core and the key with internal cylinder cooperation offer to intert the lock road of the key, multiple in the internal cylinder Respectively road mutually disconnected lock hole or lock slots, the locking are locked with the lock interior marble hole that connect of road and with described Hole or the lock slots and the interior marble hole position in the internal cylinder it is different radially, on the outer lock core with it is each described Outer marble hole is offered at the corresponding position of interior marble hole respectively, in position corresponding with each outer marble hole in the lock housing Place offers shell marble hole, and the pellet group includes the first pellet being interspersed in the interior marble hole, is interspersed in the outer bullet The second pellet given in sub-aperture and the 3rd pellet and resetting spring that are interspersed in the shell marble hole, the resetting spring position Behind the one side of the 3rd pellet away from the outer lock core, the key insertion lock road, each first pellet is supported It is described on the key, first pellet or second pellet are interspersed in the interior marble hole and the outer marble hole simultaneously In, the contact surface connect between touch surface and the outer lock core and the lock housing between the 3rd pellet and second pellet Concordantly.

2. there is the lockset of automatic identification unlocking tool as described in claim 1, which is characterized in that the inserted link bag of the key It includes the unlocking rod for being provided with tartar and is respectively fixedly connected with the guard bar in the unlocking rod both sides.

3. there is the lockset of automatic identification unlocking tool as claimed in claim 1 or 2, which is characterized in that on the outer lock core Annular groove is further opened with, the lock housing offers limit hole at position corresponding with the annular groove, consolidates in the limit hole Surely limited post is connected with, the limited post is interspersed in the annular groove and can be slided in the annular groove simultaneously.