CN2445056Y - Spring automatic reset card inserted door lock and its key - Google Patents

Abstract

The utility model relates to a spring automatic reset card-inserting type door lock and its key belong to locksets. The utility model is characterized in that the key contains a rack of a belted pressure plate wrapped in a key body, a low-pressing and resetting mechanism, and an opening mechanism comprising a spring automatic reset key mandrel and an opening bolt in one side hole which is perforated in radial direction among a key body, a lock body and a lock cover. The lock contains a closing organ composed of a fixed screw, a spring and a closure bolt in one side hole perforated in radial direction between the lock body and lock cover which gores the opening bolt in one side hole perforated in radial direction between the lock body and lock cover. The lock body and locking bolt constitute a coupling which can be separated and joint through a connecting pin, a spring and an open and close handle. The lock is convenient for use and has very good safety and anti-theft performance.

Description

Spring automatically reset card insert type door lock and key thereof

Automatically reset card insert type door lock and key thereof of spring belongs to lockset manufacturing technology field.

The lockset of present common use is that snap lock is fastened, and the opening ways of lock generally is to use fixed teeth plug-in type key, and lockset is pried open easily, and by imitated, theftproof performance is poor easily for key.

The purpose of this utility model is, a kind of good spring of security performance that is applicable to that various doors and special installation use automatically reset card insert type door lock and key thereof are provided.

Of the present utility model being characterised in that, the spring card insert type door lock that automatically resets contains: lock body, pine is enclosed within the outer locking closure of lock body, the lock core spring hold-down screw, lock core spring, the lock core that link to each other successively are housed respectively in two of locking closure, lock body side coaxial respectively holes, garden close latch, lock core unlatching latch, the lock body of connecting pin is upwards shaken in its footpath, the switching handle that connects spring is equipped with in inside, and the lock that is fixed on the branch sleeve outer radial that opens and closes handle is fastened.

Feature of the present utility model also is, the card key supporting with the card insert type door lock contains: the tooth bar that is used to promote the band fixed teeth of key push rod, pine is enclosed between tooth bar and lock body and key bodies that two radial holes of vertically arranging are arranged, is added in the tooth bar return spring between tooth bar top and the key body and is with the key push rod that helical spring can self-return.Key body, lock body and locking closure three's hole, two gardens is coaxial radially to connect.The tooth of the tooth bar in the key body, the lock core in the key push rod, lock body is opened latch, and the lock core in the locking closure is closed latch, the lock core spring, lock core spring hold-down screw is arranged in order in the hole, garden.

Use proof: its security performance is good, and it is also convenient to open and close.

In order in conjunction with the embodiments the utility model to be described in detail below, existing accompanying drawing number and title brief introduction the present specification use is as follows:

Fig. 1, spring card insert type door lock and key thereof the longitudinal section under in working order that automatically resets;

The vertical view of Fig. 2, Fig. 1:

Fig. 3, spring automatically reset the card insert type door lock with the door and doorframe annexation schematic diagram.

Embodiment:

Ask for an interview Fig. 1-3.The 1st, key body.The 2nd, be used to release the tooth bar of the band fixed teeth of key push rod.The 3rd, the tooth bar return spring.The 4th, the alignment pin when being used for the tooth bar return.The 8th, the key push rod.The 9th, key push rod back-moving spring.The 10th, the guide finger of orientation when guaranteeing the key insertion.The 11st, rack stroke is adjusted screw.More than each part formed card key jointly.The 12nd, open latch with the lock core that key push rod 8 heads on.Open latch 12 by tooth bar 2, key push rod 8 and lock core and formed the lock core opening mechanism jointly.The 5th, the card insert type door lock manually opens and closes rotating disk.The 6th, pine is enclosed within the lock body of key body 1 outside.The 7th, pine is enclosed within the locking closure of lock body 6 outsides, and he holds lock body from the bottom.Homonymy at lock body 6 and locking closure 7 has and key body 1 corresponding two straight-through holes, garden.In each hole, all there are the spring hold-down screw 15, lock core spring 14, the lock core that outside in link to each other successively to close latch 13.Formed the lock core closing organ jointly by these three.Lock core closes latch 13 and lock core is opened latch 12 on above-mentioned Kong Zhongxiang top.The 16th, be fixed on the pin that is in transmission connection that the lock body diameter of axle makes progress.The 17th, switching handle of fastening radially with lock.The 20th, open and close the spring in the handle.The 21st, locked the bolt of fastening interlock control.The 22nd, be fixed on the lock that the branch sleeve that opens and closes handle directly makes progress and fasten.The 23rd, be fixed on bolt guide holder on the locking closure by screw 24.The 26th, locking closure 7 is by the be connected and fixed plate of spiral shell fourth 25 with door 27.The 28th, bolt enable possition banking pin.The 29th, be fastened on bolt latch receptacles on the doorframe 31 by screw 30.The 32nd, only opening of forbidding that the outside unblanks turned round.The 33rd, only open and turn round hold-down screw.The 34th, only open the torsional elasticity packing ring.Lock body 6 and lock fasten 22 be connected be take can clutch coupled modes, it is to rely on the pin 16 that is in transmission connection, open and close handle spring 20 and open and close handle 17 to realize clutch.

When opening the door, the rectangle pilot hole of key body 1, insert in the lockhole of lock body 6 earlier by manual switching rotating disk 5 centers with card key.Depress tooth bar 2, at this moment key push rod 8 is pushed out.Pin when tooth bar 2 is forced into and do not put, key push rod 8 reaches strong point, just makes lock core open latch 12 and lock core and closes the joint portion that lock body 6 and locking closure 7 are just in time dropped in the junction surface of latch 13, and the card insert type door lock is in opening.At this moment,, just can drive lock body 6 and rotate together, make lock fasten 22 through connecting pin 16 with switching handle 17 and turn right, simultaneously bolt 21 is detached bolt latch receptacles 29, can open door 27 as long as turn right manual opening and closing disc 5.During with door 27 lockings, door 27 closed again turn left manual opening and closing disc 5 earlier without key, lock is fastened 22 and is turned left, stir bolt 21 translation left simultaneously, when forwarding locked position of coupler to, bolt inserts the bolt latch receptacles, lock core is closed latch 13 in the effect lower edge of lock core spring 14 concentric holes interpolation, and lock core is opened latch 12 reject, when lock core was opened latch and got back to, lock core was closed latch and has been reached strong point, fasten lock body and locking closure, this moment, the card insert type door lock was in closed condition.

Pull out suitable length at the indoor handle 17 that will open and close, left-handed again, dextrorotation, without key just can be random unblank or locking.Do not allow human key outdoors open door, only need only to open and turn round 32 long end and forward horizontal level to the right to, the bolt door bolt is extremely got final product.

The keyhole that spring automatically resets in the lock body of card insert type door lock is the garden, and it all is the transverse-plug type of rigidity that lock is fastened with bolt, is not easy to be pried open.It is that key with movable tooth laterally backs down that lock core is opened latch, and this key is not easy to be copied.

This shows that it has good safe antitheft performance.

Claims (2)

1, a kind of spring card insert type door lock that automatically resets, it is characterized in that, it contains lock body, locking closure and lock core, the lock body outer end is equipped with and can be led, open and close bolt to key, and has a manual switching rotating disk of decoration function, the locking closure pine is enclosed within the outside of lock body, lock core in the through hole of lock body, locking closure side contains successively the spring hold-down screw, the spring that link to each other, closes latch and hidden unlatching latch in the hole, also have through connecting pin and spring and lock body can clutch, be fixed on the lock that the switching handle directly makes progress and fasten.

2, the automatically reset card key of a kind of spring, it is characterized by, it contains the tooth bar of band platen and fixed teeth, pine is enclosed between its outside and the lock body, and have a key denticle of side opening, be clipped in the tooth bar back-moving spring between key body and the tooth bar, the key push rod that has spring reset that in key body, pushes up mutually with the tooth of tooth bar.

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