CN209538845U - A kind of security door screen type lock - Google Patents

Abstract

The utility model discloses a kind of security door screen type locks, including shell, the top of shell, which is equipped with, divides lock body, safety lock is equipped in shell, lock core is equipped in safety lock, lock core and main lock cooperate, and one end of safety lock is equipped with masking cylinder, lock body and main lock is divided to cooperate with keeper, lock core is unlocked by key.Masking cylinder includes hollow cylindrical cylinder, and L shape limit card board is equipped in cylinder, and the side of cylinder begins with jack, the riser setting of the aperture face L shape limit card board of jack, and the other end of cylinder is equipped with handle；Keeper includes lock box body, latches and is successively arranged the first lock-tongue port, the second lock-tongue port, third lock-tongue port from top to bottom on box body.The shielded cylinder of keyhole blocks in the lockset of the utility model, makes unlocking tool be difficult to be inserted into keyhole, to reduce the risk that lockset is destroyed.

Description

A kind of security door screen type lock

Technical field

The utility model belongs to lock technical field, is related to a kind of security door screen type lock.

Background technique

In order to ensure indoor property safety, lockset usually can be all installed on door, lock is to protect oneself family or unit The common tool of property and privacy, currently in order to the safety for improving lockset has developed and developed various types of locksets.

But it unlocks and the anti-competition unlocked never stopped, lockset newly developed will soon often be passed through by criminal Technological means cracks opening, and since existing mechanical lock is usually that keyhole is exposed, criminal is often according to keyhole Situation judges the required technological means used to unlock, and since the exposed shortage in mechanical lock key hole is effectively protected The precautionary measures, it is easy to be dialled lock by the unlocking tool insertion keyhole of malicious person's so-called skeleton key etc Open, often quickly, criminal does not scruple often unlocking speed when unlocking, into home unit carry out theft to family or Unit brings huge money and property loss, brings moral injury to people, or even cause personal injury.

Utility model content

The purpose of the utility model is to provide a kind of security door screen type lock, keyhole is shielded in the lockset Cylinder blocks, and makes unlocking tool be difficult to be inserted into keyhole, to reduce the risk that lockset is destroyed.

The utility model is the technical scheme adopted is that a kind of security door screen type lock, including shell, shell Top be equipped with and divide lock body, safety lock is equipped in shell, is equipped with lock core, lock core and the cooperation of main lock in safety lock, the one of safety lock End is equipped with masking cylinder, divides lock body and main lock to cooperate with keeper, lock core is unlocked by key；

Keeper includes lock box body, latches and is successively arranged the first lock-tongue port, the second lock-tongue port, the on box body from top to bottom Three lock-tongue ports；

Masking cylinder includes hollow cylindrical cylinder, is equipped with L shape limit card board in cylinder, and the side of cylinder begins with jack, The riser of the aperture face L shape limit card board of jack is arranged, and the other end of cylinder is equipped with handle.

The utility model is also characterized by

Point lock body includes point lock main body of rectangular-shape, is equipped with connecting rod in point lock main body, the both ends of connecting rod respectively from The opposite sides of lock main body is divided to be pierced by, and the both ends end of connecting rod is respectively equipped with handle, two handles are located at a point lock master The opposite sides of body, connecting rod are respectively equipped with main spring with a point contact position for lock main body two lateral walls；Two main springs It is coaxially socketed in connecting rod respectively, gear A is also coaxially socketed in connecting rod, gear A is engaged with rack gear A, and rack gear A setting exists The upper surface of lock tongue push plate A, one end of lock tongue push plate A are equipped with a point lock lock tongue, and point lock lock tongue stretches out simultaneously from a point one end for lock main body Cooperate with keeper.

Divide on the inside of the opposite end of lock main body and is respectively equipped with guide sleeve A, when lock tongue push plate A is moved forward and backward, lock tongue push plate A Both ends passed through from guide sleeve A just.

Divide in lock lock body and be additionally provided with lock tongue push plate B, lock tongue push plate B is arranged in parallel in the top of lock tongue push plate A, lock tongue push plate One end of B is equipped with and locks lock tongue, and the one end for locking lock tongue is stretched out from a point one end for lock main body；

The side of lock tongue push plate B is equipped with push rod, and push rod is vertically arranged with lock tongue push plate B, and one end of push rod is connected to lock tongue On push plate B, guide groove is offered on the side side of point lock main body, the other end of push rod is pierced by from guide groove.

Safety lock includes the insurance lock body of rectangular-shape, and lock cylinder slot is equipped in safety lock body, is equipped in lock core groove Lock core, insurance lock body upper surface further respectively have placing groove A and placing groove B, and placing groove A and placing groove B are vertical with lock core groove And it penetrates through；Insure and offer annular groove on the inside of one end of lock body, lock core groove is co-axially located in annular groove, in annular groove It is connected with masking cylinder；

The side of lock core groove is equipped at least two first bullet grooves, and each first bullet groove is set along the length direction of lock core groove It sets, tack pellet is equipped in each first bullet groove, spring A is equipped between the first bullet groove and tack pellet.

Lock core includes lock core core, and lock core core is inlaid in lock core groove, and lock core core can coaxially turn in lock core groove It is dynamic, first gear is coaxially socketed on lock core core, the upside of first gear is pierced by out of placing groove A；

A circle card slot is also coaxially offered on the outer wall of lock core core, U-shaped inserted sheet passes through out of placing groove B and matches with card slot It closes, one end of lock core core offers keyhole；First gear is engaged with second gear, and second gear and main lock cooperate；

The side of lock core core is equipped at least two second bullet grooves, length direction of each second bullet groove along lock core core Setting, each second bullet groove connect and are arranged in a one-to-one correspondence with first bullet groove, and round end is equipped in the second bullet groove Pellet, one end of round end pellet are joint end, and the other end of round end pellet is blunt end, and joint end is docked with tack pellet, circle The free end end of head end is pierced by out of second bullet groove to be reached in keyhole.

Main lock includes lock tongue push plate C, and the lower surface of lock tongue push plate C is equipped with rack gear B, and one end of lock tongue push plate C is equipped with main lock One end of lock tongue, main lock tongue is pierced by from the side of shell, and main lock tongue and keeper cooperate；The other end of lock tongue push plate C The other side of shell is connected by push-pull rod, the side inner wall of shell is equipped with guide sleeve C, and lock tongue push plate C just can be from guiding It is moved left and right in set C through and along guide sleeve C.

Key includes key body, one end of one end connection L shape connecting rod of key body, the other end of L shape connecting rod Equipped with lantern ring, the side of key body is equipped with key flower alveolus.

The utility model has the beneficial effects that a kind of security door screen type lock provided by the utility model, is adopted With the mode of the setting masking cylinder on safety lock, the lock core in safety lock is covered, so that criminal can not lead to when unlocking The keyhole situation crossed on lock core come the required technological means that judges to unlock, thus well reduce lockset pried open it is general Rate improves the safety of lockset.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of security door screen type lock of the utility model；

Fig. 2 is the structural schematic diagram for dividing lock body in a kind of security door screen type lock of the utility model；

Fig. 3 is the structural schematic diagram of keeper in a kind of security door screen type lock of the utility model；

Fig. 4 is that a kind of security door of the utility model is torn open with safety lock in screen type lock and the explosion of masking cylinder cooperation Divide schematic diagram；

Fig. 5 is the partial enlarged view in Fig. 4 at A；

Fig. 6 is safety lock schematic diagram of internal structure in a kind of security door screen type lock of the utility model；

Fig. 7 is the partial enlarged view in Fig. 6 at B.

In figure, 1. shells；

2. key, 2-1. key body, 2-2.L shape connecting rod, 2-3. lantern ring, 2-4. key flower alveolus；

3. covering cylinder, 3-1. cylinder, 3-2. limit card board, 3-3. jack, 3-4. snap ring；

4. safety lock, 4-1. insures lock body, 4-2. lock core groove, 4-3. placing groove A, 4-4. placing groove B, 4-5. spring A, 4- 6. annular groove, the first bullet groove of 4-7., 4-8. tack pellet, 4-9. spring B, 4-10. annulus；

5. lock core, 5-1. lock core core, 5-2. card slot, 5-3.U shape inserted sheet, 5-4. keyhole, 5-5. first gear, 5-6. Second bullet groove；

5-7. round end pellet, 5-7-1. joint end, 5-7-2. blunt end；

6. second gear；

7. handle；

8. keeper, 8-1. latches box body, the first lock-tongue port of 8-2., 8-3, the second lock-tongue port, 8-4. third lock-tongue port；

9. point lock body, 9-1. points of lock main bodys, 9-2. connecting rod, 9-3. handle, 9-4. main spring, 9-5. gear A, 9-6. A, 9-8. points of lock lock tongues of rack gear A, 9-7. lock tongue push plate, 9-9. guide sleeve A, 9-10. lock tongue push plate B, 9-11. lock lock tongue, 9- 12. guide sleeve B, 9-13. push rod, 9-14. guide groove；

10. main lock, 10-1. lock tongue push plate C, 10-2. rack gear B, 10-3. main lock tongue, 10-4. push-pull rod, 10-5, guiding Cover C.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

A kind of the utility model security door screen type lock, as shown in Figures 1 to 3, including shell 1, shell 1 it is upper Side, which is equipped with, divides lock body 9, and safety lock 4 is equipped in shell 1, and lock core 5,10 cooperation of lock core 5 and main lock, safety lock 4 are equipped in safety lock 4 One end be equipped with masking cylinder 3, divide lock body 9 and main lock 10 to cooperate with keeper 8, lock core 5 is unlocked by key 2.

Divide lock body 9 includes locking main body 9-1 dividing for rectangular-shape, divides and locks in main body 9-1 equipped with connecting rod 9-2, connecting rod 9-2 Both ends be pierced by respectively from a point opposite sides of lock main body 9-1, and the both ends end of connecting rod 9-2 is respectively equipped with handle 9-3, two A handle 9-3 is located at a point opposite sides of lock main body 9-1, and connecting rod 9-2 locks a contact for main body 9-1 two lateral walls with dividing Place is respectively equipped with main spring 9-4；Two main spring 9-4 are coaxially socketed on connecting rod 9-2 respectively, on connecting rod 9-2 also It coaxially is socketed with gear A 9-5, gear A 9-5 is engaged with rack gear A9-6, and the upper surface of lock tongue push plate A9-7 is arranged in rack gear A9-6, One end of lock tongue push plate A9-7 be equipped with point lock a lock tongue 9-8, point lock lock tongue 9-8 from point lock main body 9-1 an one end stretch out and with lock Box 8 cooperates；Divide on the inside of the opposite end of lock main body 9-1 and is respectively equipped with guide sleeve A9-9, when lock tongue push plate A9-7 is moved forward and backward, The both ends of lock tongue push plate A9-7 are passed through from guide sleeve A9-9 just.

Keeper 8 includes lock box body 8-1, latches and is successively arranged the first lock-tongue port 8-2, the on box body 8-1 from top to bottom Two lock-tongue port 8-3, third lock-tongue port 8-4, a point lock lock tongue 9-8 and the second lock-tongue port 8-3 cooperate.

Divide in lock lock body 9-1 and be additionally provided with lock tongue push plate B9-10, lock tongue push plate B9-10 is arranged in parallel in lock tongue push plate A9-7 Top, one end of lock tongue push plate B9-10 is equipped with and locks lock tongue 9-11, locks one end of lock tongue 9-11 from point lock main body 9-1's One end is stretched out, and is locked lock tongue 9-11 and the first lock-tongue port 8-2 and cooperated, and the inner sidewall both ends of point lock side main body 9-1 are set respectively There is guide sleeve B9-12, when locking lock tongue 9-11 back-and-forth motion, the both ends of lock tongue push plate B9-10 are just from guide sleeve B9-12 It passes through.

The side of lock tongue push plate B9-10 is equipped with push rod 9-13, and push rod 9-13 is vertically arranged with lock tongue push plate B9-10, push rod One end of 9-13 is connected on lock tongue push plate B9-10, offers guide groove 9-14, push rod on the side side of point lock main body 9-1 The other end of 9-13 is pierced by from guide groove 9-14, and push rod 9-13 can move back and forth along the length direction of guide groove 9-14, To lock lock tongue 9-11 into or away from the first lock-tongue port 8-2 by lock tongue push plate B9-10 drive, realize that people are right indoors Door is locked and unlocks.

As shown in Figure 4,5, safety lock 4 includes the insurance lock body 4-1 of rectangular-shape, is insured square along its length in lock body 4-1 To lock cylinder slot 4-2 is offered, the insurance upper surface lock body 4-1 further respectively has placing groove A4-3 and placing groove B4-4, puts Set slot A4-3 and placing groove B4-4 it is vertical with lock core groove 4-2 and penetrate through；

As shown in fig. 6, offering annular groove 4-6 on the inside of one end of insurance lock body 4-1, lock core groove 4-2 is co-axially located at In annular groove 4-6, masking cylinder 3 is connected in annular groove 4-6；Covering cylinder 3 includes hollow cylindrical cylinder 3-1, cylinder 3-1 Outer wall on be coaxially socketed with annulus 4-10, one end of annulus 4-10 connecting spring B4-9, the other end of spring B 4-9 is connected to Insure one end tip inside of lock body 4-1；One end of cylinder 3-1 is coaxially socketed in annular groove 4-6, and cylinder 3-1 can edge The length direction of annular groove 4-6 is mobile, and one end end that cylinder 3-1 is located at annular groove 4-6 is coaxially provided with snap ring 3-4, when When cylinder 3-1 is pulled out to outside annular groove 4-6, snap ring 3-4 play the guiding role；

L shape limit card board 3-2 is equipped in cylinder 3-1, the side of cylinder 3-1 begins with jack 3-3, the aperture of jack 3-3 The riser of face L shape limit card board 3-2 is arranged, and the other end of cylinder 3-1 is equipped with handle 7；

Lock core 5 is equipped in lock core groove 4-2, lock core 5 includes lock core core 5-1, and lock core core 5-1 is inlaid in lock core groove 4-2 It is interior, and lock core core 5-1 can be rotated coaxially in lock core groove 4-2, and first gear 5-5 is coaxially socketed on lock core core 5-1, the The upside of one gear 5-5 is pierced by out of placing groove A4-4；

A circle card slot 5-2 is also coaxially offered on the outer wall of lock core core 5-1, U-shaped inserted sheet 5-3 is worn out of placing groove B4-4 It crosses and cooperates with card slot 5-2, one end of lock core core 5-1 offers keyhole 5-4；The transverse slat width of limit card board 3-2 is lucky Equal to the width of keyhole 5-4, keyhole 5-4 is rectangle cavernous structure, one end of limit card board 3-2 just with keyhole 5-4 Aperture at dock；First gear 5-5 is engaged with second gear 6,10 cooperation of second gear 6 and main lock；

As shown in fig. 7, the side of lock core groove 4-2 is equipped at least two first bullet groove 4-7, each edge first bullet groove 4-7 The length direction of lock core groove 4-2 is arranged, and is equipped with tack pellet 4-8 in each first bullet groove 4-7, the first bullet groove 4-7 and flat Spring A4-5 is equipped between head pellet 4-8, the side of lock core core 5-1 is equipped at least two second bullet groove 5-6, each second bullet Pilot trench 5-6 is arranged along the length direction of lock core core 5-1, and each second bullet groove 5-6 connects with a first bullet groove 4-7 And be arranged in a one-to-one correspondence, round end pellet 5-7 is equipped in the second bullet groove 5-6, one end of round end pellet 5-7 is joint end 5-7-1, The other end of round end pellet 5-7 is blunt end 5-7-2, and joint end 5-7-1 docks with tack pellet 4-8, blunt end 5-7-2 oneself It is reached in keyhole 5-4 by holding end to be pierced by out of second bullet groove 5-6, key 2 can be protruded into keyhole 5-4 and be unlocked.

Main lock 10 includes lock tongue push plate C10-1, and the lower surface of lock tongue push plate C10-1 is equipped with rack gear B10-2, rack gear B10-2 It is engaged with second gear 6, one end of lock tongue push plate C10-1 is equipped with main lock tongue 10-3, and one end of main lock tongue 10-3 is from shell 1 Side be pierced by, and main lock tongue 10-3 and third lock-tongue port 8-4 cooperate；The other end of lock tongue push plate C10-1 passes through push-pull rod The other side of 10-4 connection shell 1, when lock tongue push plate C10-1 is moved left and right, push-pull rod 10-4 can be with respect to the other side of shell 1 Side wall generates relative movement, and the side inner wall of shell 1 is equipped with guide sleeve C10-5, and lock tongue push plate C10-1 just can be from guide sleeve It is moved left and right in C10-5 through and along guide sleeve C10-5.

Key 2 includes key body 2-1, one end of one end connection L shape connecting rod 2-2 of key body 2-1, the connection of L shape The other end of bar 2-2 is equipped with lantern ring 2-3, and the side of key body 2-1 is equipped with key flower alveolus 2-4, key body 2-1 from jack Enter in cylinder 3-1 in 3-3, and key body 2-1 is placed in parallel on the transverse slat of limit card board 3-2, and key body 2-1 from The aperture of keyhole 5-4 enters in lock core core 5-1, and the blunt end 5-7-2 of key flower alveolus 2-4 and round end pellet 5-7 cooperates.

A kind of security door of the utility model is with the application method of screen type lock, using it is described divide lock body 9 when, Outdoors or rotation handle 9-3 control gear A 9-5 rotation in door, gear A 9-5 drives a point lock lock tongue 9-8 to move away the Two lock-tongue port 8-3, so as to which door is opened, when people indoors when, push push rod 9-13, movement lock lock tongue 9-11 so that It locks lock tongue 9-11 to be plugged in the first lock-tongue port 8-2, from indoor, Jiang Men is locked；

When using safety lock 4, holds handle 7 and pull out cylinder 3-1 out of annular groove 4-6, key body 2-1 is passed through In the jack 3-3 insertion cylinder 3-1 of cylinder 3-1 side wall, key body 2-1 can be limited by L shape limit card board 3-2, at this moment Key flower alveolus 2-4 on key body 2-1 is aligned with the round end pellet 5-7 in keyhole 5-4, along annular groove 4-6's Length direction pushes cylinder 3-1 that limit card board 3-2 is slided along keyhole 5-4, brings key body 2-1 into keyhole 5-4 In, the blunt end 5-7-2 of each round end pellet 5-7 is stuck in just in key flower alveolus 2-4, and rotating cylinder 3-1 passes through 2 band of key Movable lock core core 5-1 is rotated in lock core groove 4-2, and lock core core 5-1 drives first gear 5-5 rotation, and first gear 5-5 drives Second gear 6 rotates, and second gear 6 drives main lock tongue 10-3 mobile by moving left and right for rack gear B10-2, to control master Lock lock tongue 10-3 is slidably inserted into perhaps activity removal third lock-tongue port 8-4 and locks a door or unlock in outdoor to control people, U-shaped The setting of inserted sheet 5-3 enables lock core 5 to fix position rotation in lock core groove 4-2, conveniently removes lock when lockset damage later Core maintenance.

Claims (8)

1. a kind of security door screen type lock, it is characterised in that: including shell, the top of shell, which is equipped with, divides lock body, shell It is equipped with safety lock in vivo, lock core is equipped in safety lock, lock core and main lock cooperate, and one end of safety lock is equipped with masking cylinder, divide lock body And main lock cooperates with keeper, lock core is unlocked by key；

Masking cylinder includes hollow cylindrical cylinder, is equipped with L shape limit card board in cylinder, the side of cylinder begins with jack, jack Aperture face L shape limit card board riser setting, the other end of cylinder is equipped with handle；

Keeper includes lock box body, latches and is successively arranged the first lock-tongue port, the second lock-tongue port, third lock on box body from top to bottom Tongue mouth.

2. a kind of security door screen type lock according to claim 1, it is characterised in that: described to divide the lock body to include Point lock main body of rectangular-shape, point lock main body is interior to be equipped with connecting rod, and the both ends of connecting rod are respectively from a point opposite sides for lock main body It is pierced by, and the both ends end of connecting rod is respectively equipped with handle, two handles are located at a point opposite sides for lock main body, connecting rod Main spring is respectively equipped with a point contact position for lock main body two lateral walls；Two main springs are coaxially socketed in connecting rod respectively On, gear A is also coaxially socketed in connecting rod, gear A is engaged with rack gear A, and the upper surface of lock tongue push plate A is arranged in rack gear A, lock One end of tongue push plate A is equipped with a point lock lock tongue, and point lock lock tongue stretches out from a point one end for lock main body and cooperates with keeper.

3. a kind of security door screen type lock according to claim 2, it is characterised in that: described point is locked main body It is respectively equipped with guide sleeve A on the inside of opposite end, when lock tongue push plate A is moved forward and backward, the both ends of lock tongue push plate A are just from guide sleeve It is passed through in A.

4. a kind of security door screen type lock according to claim 2, it is characterised in that: in described point of lock lock body It is additionally provided with lock tongue push plate B, lock tongue push plate B is arranged in parallel in the top of lock tongue push plate A, and one end of lock tongue push plate B, which is equipped with, locks lock Tongue, the one end for locking lock tongue are stretched out from a point one end for lock main body；

The side of lock tongue push plate B is equipped with push rod, and push rod is vertically arranged with lock tongue push plate B, and one end of push rod is connected to lock tongue push plate B On, guide groove is offered on the side side of point lock main body, the other end of push rod is pierced by from guide groove.

5. a kind of security door screen type lock according to claim 1, it is characterised in that: the safety lock includes The insurance lock body of rectangular-shape, safety lock body is interior to be equipped with lock cylinder slot, is equipped with lock core in lock core groove, insures lock body upper surface Further respectively have placing groove A and placing groove B, placing groove A and placing groove B are vertical with lock core groove and penetrate through；Insure the one of lock body End inside offers annular groove, and lock core groove is co-axially located in annular groove, and masking cylinder is connected in annular groove；

The side of lock core groove is equipped at least two first bullet grooves, and each first bullet groove is arranged along the length direction of lock core groove, often It is equipped with tack pellet in a first bullet groove, spring A is equipped between the first bullet groove and tack pellet.

6. a kind of security door screen type lock according to claim 5, it is characterised in that: the lock core includes lock Core core, lock core core are inlaid in lock core groove, and lock core core can rotate coaxially in lock core groove, coaxial sleeve on lock core core It is connected to first gear, the upside of first gear is pierced by out of placing groove A；

A circle card slot is also coaxially offered on the outer wall of lock core core, U-shaped inserted sheet passes through out of placing groove B and cooperates with card slot, One end of lock core core offers keyhole；First gear is engaged with second gear, and second gear and main lock cooperate；

The side of lock core core is equipped at least two second bullet grooves, and each second bullet groove is set along the length direction of lock core core It sets, each second bullet groove connects and is arranged in a one-to-one correspondence with first bullet groove, and Round nose is equipped in the second bullet groove Son, one end of round end pellet are joint end, and the other end of round end pellet is blunt end, and joint end is docked with tack pellet, round end The free end end at end is pierced by out of second bullet groove to be reached in keyhole.

7. a kind of security door screen type lock according to claim 1, it is characterised in that: the main lock includes lock The lower surface of tongue push plate C, lock tongue push plate C are equipped with rack gear B, and one end of lock tongue push plate C is equipped with main lock tongue, one end of main lock tongue It is pierced by from the side of shell, and main lock tongue and keeper cooperate；The other end of lock tongue push plate C connects shell by push-pull rod The side inner wall of the other side, shell is equipped with guide sleeve C, and lock tongue push plate C just can be from guide sleeve C through and along guide sleeve C is moved left and right.

8. a kind of security door screen type lock according to claim 1, it is characterised in that: the key includes key Spoon ontology, one end of one end connection L shape connecting rod of key body, the other end of L shape connecting rod are equipped with lantern ring, key body Side is equipped with key flower alveolus.