CN207406140U

CN207406140U - Blade lockset

Info

Publication number: CN207406140U
Application number: CN201721484809.1U
Authority: CN
Inventors: 黄伟敏
Original assignee: Assa Abloy Baodean Taizhou Security Technology Co Ltd
Current assignee: Assa Abloy Baodean Taizhou Security Technology Co Ltd
Priority date: 2017-11-09
Filing date: 2017-11-09
Publication date: 2018-05-25
Anticipated expiration: 2027-11-09

Abstract

A kind of blade lockset, two interior milling tartars are respectively arranged on the positive and negative at key insertion lock core position, the two sides at key insertion lock core position are respectively equipped with the profiling tartar parallel with two interior milling tartars, and wide unlock labyrinth is formed between interior milling tartar and adjacent profiling tartar；The A class blades on cooperation unlock labyrinth are inserted on lock core, A classes vane tip is equipped with the v-depression of cooperation locking bolt V-arrangement boss, A class middle part of blade open up for key by square through hole, square through hole upper wall is convexly equipped with first protrusion and cooperation /V second protrusion on profiling tartar of the cooperation /V on interior milling tartar, and the square notch being adapted to unlock labyrinth is formed between the first protrusion and the second protrusion.The utility model provides a kind of blade lockset, the wide unlock labyrinth that key is matched using the square notch of imitated structure formation one and blade, it plays to the better position-limiting action of blade, reduces the probability that the key of different coding is mutually opened, improve the anti-theft performance of lockset.

Description

Blade lockset

Technical field

The utility model belongs to lock technology field, refers in particular to a kind of blade lockset.

Background technology

Lockset mutual opening rate height is an important factor in order of anti-theft security hidden danger, generates the reason except producer's coding is mixed Outside unrest, the key tooth flower of lockset and the fit structure of blade can also lead to the problem of this, especially in Double blades lock cored structure, Due to V-shaped with the matched groove of locking bolt on blade, in addition, between blade and blade groove, between lock core and lock body and lock Fit clearance is both provided between bolt and set bar groove, different two is caused to lock, tartar difference number level-one, two-stage or three-level, only Tartar difference number two-stage or three-level is wanted not to be happened on the same tartar position of key, can mutually open, theoretically calculate, number of password is very Greatly, in actual production process, product mutual opening rate is but very high, and the requirement of national standard is not achieved.

Utility model content

The purpose of this utility model is to provide a kind of blade lockset, tartar on the key using imitated structure formed one with The wide unlock labyrinth that the square notch set on blade matches, plays blade better position-limiting action, reduces difference The probability that the key of coding is mutually opened improves the anti-theft performance of lockset.

What the purpose of this utility model was realized in：A kind of blade lockset, including key and corresponding lock core, the key Two interior milling tartars are respectively arranged on the positive and negative at spoon insertion lock core position, the two sides at key insertion lock core position are set respectively There is the profiling tartar parallel with two interior milling tartars, a wide unlock is formed between interior milling tartar and adjacent profiling tartar Labyrinth；The A class blades on cooperation unlock labyrinth are inserted on the lock core, A classes vane tip is equipped with to match with the V-arrangement boss of locking bolt The v-depression of conjunction, A class middle part of blade open up for key by square through hole, square through hole upper wall be convexly equipped with cooperation /V exist The second protrusion of the first protrusion and cooperation /V on profiling tartar on interior milling tartar, shape between the first protrusion and the second protrusion Into the square notch to match with unlock labyrinth.

By using above-mentioned technical proposal, after the key insertion of different coding, the square notch /V of blade is wide It unlocks on labyrinth, being not susceptible to lateral displacement causes the v-depression on blade to shift, and preferably ensure that key with the one of lock core To a property.

Preferably, the two sides at the key insertion lock core position are equipped with outer milling tartar, and outer milling tartar is located at front and the back of the body Between the profiling tartar in face, the B class blades for coordinating outer milling tartar are inserted on the lock core, B classes vane tip is equipped with cooperation and locks The v-depression of bolt, B class middle part of blade open up for key by square through hole, the side wall of square through hole is equipped with third protrusion, the Three protrusions are engaged with the outer milling tartar of key.

By using above-mentioned technical proposal, outer milling tartar adds the complexity of straight panel key, reduces further and mutually opens Probability.

Preferably, the lock core axially sets the blade groove of keyhole and vertical keyhole, axis of the blade groove along lock core It to being spaced apart, and is connected with the set bar groove on lock core, the locking bolt cooperation is in set bar groove.

Preferably, the A classes blade is arranged in pairs in same blade groove, and two be arranged in pairs piece A class blades share one Leaf spring.

Preferably, A classes blade and B classes blade are arranged on as one group in same blade groove.

Description of the drawings

Fig. 1 is the overall structure exploded view of the utility model；

Fig. 2 is the stereogram of the utility model key；

Fig. 3 is the plan view of the utility model key；

Fig. 4 is the sectional view in A-A directions in Fig. 3；

Fig. 5 is the structure chart of A class blades；

Fig. 6 is the structure chart of B class blades；

Fig. 7 is the sectional view of the utility model；

Fig. 8 is the sectional view in B-B directions in Fig. 7；

Fig. 9 is the sectional view in C-C directions in Fig. 7.

Reference numeral：1st, key；1a, interior milling tartar；1b, profiling tartar；1c, outer milling tartar；2nd, lock core；2a, keyhole； 2b, set bar groove；2c, blade groove；3rd, locking bolt；3a, V-arrangement boss；4th, lock body；4a, centre bore；4b, lock slots 5, pellet；6th, locking bolt Spring；7th, steel ball is sealed；8th, clamp spring；9th, B classes blade；9a, third protrusion；10th, A classes blade；10a, the first protrusion；10b, second Protrusion；10c, square notch；11st, leaf spring；12nd, labyrinth is unlocked；13rd, v-depression；14th, square through hole；15th, support end.

Specific embodiment

The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-9：

A kind of blade lockset, including key 1 and corresponding lock core 2, lock core 2 is rotatably arranged at the centre bore of lock body 4 In 4a, lock core 2 is offered along its axial keyhole 2a, several blade grooves 2c, blade groove 2c are radially offered on lock core 2 It is distributed along the axially spaced-apart of lock core 2, blade groove 2c is connected with keyhole 2a, and lock core 2 is provided with lock on the upside of blade groove 2c Croze 2b, set bar groove 2b are connected with blade groove 2c, and locking bolt 3 is provided in set bar groove 2b, is set on the centre bore 4a walls of lock body 4 There is lock slots 4b, lock slots 4b is corresponding with the set bar groove 4b on lock core 2 and aligns, and is set in the blade groove 2c of lock core 2 There is a blade, the v-depression 13 that the upper side roof part setting of blade matches with the V-arrangement boss 3a of locking bolt 3, the v-depression on blade 13 set different tartar codings, its v-depression 13 for setting above of different tartar numbers is in the position of blade difference, key Interior milling tartar 1a and outer milling tartar 1c are provided on 12 position of insertion lock core, interior milling tartar 1a and outer milling tartar 1c are with being arranged at lock Blade tartar number on core 2 is corresponding, and key 1 is inserted into keyhole 2a, and the interior milling tartar 1a and outer milling tartar 1c of key 1 are by leaf Piece is accurately positioned, and the v-depression set on every piece of blade 13 is made to align with the set bar groove 2b of lock core 2, locking bolt 3 is in locking bolt spring 6 Under the action of, the V-arrangement boss 3a of lower end falls into the v-depression 13 set on blade, and the upper end of locking bolt 3 departs from lock body 4 The lock slots 4b of upper setting, into lock core 2 on the set bar groove 2b that sets, at this moment, lock core 2 is rotatable with respect to lock body 4, and lock can be opened It opens, extracts key 1, blade moves to the outer diameter of lock core 4 under the action of leaf spring 11, makes the v-depression set on blade The set bar groove 2b set on 13 deviation lock cores 2, locking bolt 3 is under the action of the v-depression 13 of blade, to the center for deviateing lock core 2 Direction movement, end enters the lock slots 4b set on lock body 4 thereon, and at this moment, lock core 2 cannot be rotated relative to lock body 4, lock not It can open.

Two different locks, on the identical tartar position of key 1, the difference number of tartar only has level-one, in this case, lock The V-arrangement boss 3a of 3 lower end of bolt presses inclining for blade V-type groove 13 without departing from the V-type groove 13 on blade, V-arrangement boss 3a Inclined-plane, locking bolt spring 6 make locking bolt 3 completely into set bar groove 2b, so as to occur mutually it is possible that overcome the pressure of leaf spring 11 It opens.

According to Fig. 1 and Fig. 5, Fig. 6, blade is divided into 9 two types of A classes blade 10 and B classes blade, similar blade or not Two pieces of similar blades coordinate in same blade groove 2c；The lower end of two pieces of blades of same blade groove 2c is both provided with down convex Support end 15, the support end 15 of two blades are located at left and right sides, install leaf spring 11 between support end 15, be same blade groove Two pieces of blades provide radial direction elastic force.

Specific to see Fig. 5,14 upper side wall of square through hole of A classes blade 10 is equipped with the first protrusion 10a and the second protrusion 10b, A square notch 10c is formed between first protrusion 10a and the second protrusion 10b；With 10 matched 1 structure of key of A classes blade As shown in Figure 2,3, 4, key 1 is inserted on the positive and negative at 2 position of lock core and is respectively arranged with two interior milling tartar 1a, and key 1 is inserted into The two sides at 2 position of lock core are respectively equipped with profiling the tartar 1b, interior milling tartar 1a substantially parallel with two interior milling tartar 1a and phase A wide unlock labyrinth 12 is formed between adjacent profiling tartar 1b；Unlock labyrinth 12 coincide in square notch 10c, A classes Blade 10 is subject to the elastic force of leaf spring 11 to act in moving process, and the first protrusion 10a is fitted in the tooth of interior milling tartar 1a Flower face, the cooperation of the second protrusion 10b and profiling tartar 1b only retain a little gap, and such respective outer side edges, A classes blade 10 is in leaf Being limited while moving left and right completely be subject to milling tartar 1a in key 1 and profiling tartar 1b in film trap 2c, solves different Lockset, tartar is slightly different, and locking bolt spring 6 overcomes the problems, such as that the pressure generation of leaf spring 11 is mutually opened.

Specifically see Fig. 6, the place different from A classes blade 10 of B classes blade 9 is that boss is arranged on square through hole 14 On side wall, third protrusion 9a is formed.The structure that B classes blade 9 is corresponded on key 1 specifically sees Fig. 3 and Fig. 4, and key 1 is inserted into lock core The two sides at 2 positions are equipped with outer milling tartar 1c, and outer milling tartar 1c is located at 1 positive profiling tartar 1b of key and the profiling tooth at the back side Between flower 1b；Outer milling tartar 1c adds the complexity of straight panel key 1, reduces further the probability mutually opened.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model Within the scope of.

Claims

1. a kind of blade lockset, including key (1) and corresponding lock core (2), it is characterised in that：The key (1) is inserted into lock core (2) two interior milling tartars (1a), the two sides point at key (1) insertion lock core (2) position are respectively arranged on the positive and negative at position Profiling tartar (1b) that She You be not parallel with two interior milling tartars (1a), interior milling tartar (1a) and adjacent profiling tartar (1b) it Between formed a wide unlock labyrinth (12)；The A class blades of cooperation unlock labyrinth (12) are inserted on the lock core (2) (10), it is equipped with and locking bolt (3) bottom chevron shaped boss (3a) matched v-depression (13), A class blades at the top of A classes blade (10) (10) middle part open up for key (1) by square through hole (14), square through hole (14) upper wall is convexly equipped with /V in interior milling tartar Second raised (10b) of first raised (10a) and /V on profiling tartar (1b) on (1a), the first protrusion (10a) and the The square notch (10c) to match with unlock labyrinth (12) is formed between two raised (10b).

2. blade lockset according to claim 1, it is characterised in that：The both sides at described key (1) insertion lock core (2) position Side is equipped with outer milling tartar (1c), and outer milling tartar (1c) is located at the profiling tartar at the positive profiling tartar (1b) of key (1) and the back side Between (1b), the B classes blade (9) for coordinating outer milling tartar (1c) is inserted on the lock core (2), is equipped with and matches somebody with somebody at the top of B classes blade (9) Close the v-depression (13) of locking bolt (3), open up in the middle part of B classes blade (9) for key (1) by square through hole (14), square through hole (14) side wall is equipped with third protrusion (9a), and third protrusion (9a) is engaged with the outer milling tartar (1c) of key.

3. blade lockset according to claim 2, it is characterised in that：The lock core (2) axially set keyhole (2a) with And the blade groove (2c) of vertical keyhole (2a), blade groove (2c) are distributed along the axially spaced-apart of lock core, and with the lock on lock core (2) Croze (2b) connects, and locking bolt (3) cooperation is in set bar groove (2b).

4. blade lockset according to claim 3, it is characterised in that：The A classes blade (10) is arranged in pairs in same leaf In film trap (2c), two pieces of A classes blades (10) being arranged in pairs share a leaf spring (11).

5. blade lockset according to claim 3, it is characterised in that：A classes blade (10) and B classes blade (9) set for one group It puts in same blade groove.