CN2242943Y - Fully-closed two-way safety door lock - Google Patents

Abstract

The utility model discloses a fully-closed two-way safety door lock. A two-way lock core connected with a main lock column, and a pull plate connected with a subsidiary lock column are both fixed on a fixed plate at the middle of a lock rack; the upper end of the pull plate is fixed with a rack bar; a handrail built-in lock is installed on the upper end of the lock rack and is provided with a toothed toggle sleeve; the handrail built-in lock can control the opening of the subsidiary lock column. In the utility model, because a main and a subsidiary locks are installed on the same lock rack, the locking and unlocking of the fully-closed two-way safety door lock is very convenient. Because the outside of the main lock is provided with a protective cover, and the handrail built-in lock is provided with a mechanism for preventing rigid breaking, the purposes of theft prevention, pry prevention, damage prevention, and flexible and convenient use are reached; moreover, the service life is long, disassembly, assembly, and repair are convenient, and the utility model is safe and reliable and is an ideal safety door lock.

Description

Hermetically sealed bidirectional safe safe-guard door lock

The utility model belongs to a kind of lock, belongs to a kind of specifically and uses hermetically sealed reversible lock.

Door is gone up the built-in lock that uses and mostly is common built-in lock greatly now, the built-in lock of using on the security door is generally a latch and adds a safety lock, the security door that has is installed two Safety built-in locks for safe in door centre and top, open after one, just can open another, use very trouble like this, other only uses one great majority, so also just do not have the effect of insurance.In addition, because keyhole is destroyed by the people easily, the trouble in room has not only been arranged into not, but also caused whole lock destroyed.So present door is difficult to reach the i.e. antitheft again purpose of safety with lock.

The purpose of this utility model is to provide a kind of pick-proof, antitheft, flexible and convenient to use and with the hermetically sealed bidirectional safe safe-guard door lock of two-way handrail built-in lock.

Further purpose of the present utility model is to provide a kind of pick-proof that prevents to destroy lockhole, antitheft, flexible and convenient to use and with the hermetically sealed bidirectional safe safe-guard door lock of two-way handrail built-in lock.

The utility model further purpose is to provide a kind of pick-proof that rigidity destroys, antitheft, flexible and convenient to use and with the hermetically sealed bidirectional safe safe-guard door lock of two-way handrail built-in lock that prevents.

The purpose of this utility model is achieved in that the utility model comprises lock frame, Two-way lock core and armrest lock, its structural feature is a mounting plate in the middle of the said lock frame, the Two-way lock core that connects main lock is installed on the fixed head, press close to fixed head have one can slide up and down, the arm-tie that there is tooth bar on the top, each fixes a lock of paying that drives the junction plate motion to this arm-tie up and down, and a toothed sliding set that matches with tooth bar is arranged on said handrail built-in lock.During use, elder generation locks built-in lock, armrest lock is locked to get final product again.

Below said two pairs of locks groove is arranged.

Above said pair of lock connect a return spring that is fixed on the said lock frame, one side at the slot that has of said junction plate, slot resilient connection one latch relatively on said lock frame.

Further purpose of the present utility model is achieved in that in the outside of said Two-way lock core installs locking closure, and the pin of a trough of belt is arranged on the locking closure, and a rotating turn-button is installed in lock frame outside, in the lock frame with the coaxial installation one notched block plate of turn-button.For preventing to destroy lockhole, locking closure is covered, rotate turn-button, the pin groove is blocked by baffle plate, and the stranger can't open locking closure.

Above the vertical finger that connects on the said turn-button axle, between this finger and the said movable block plate of installing a compression spring is arranged, vertically weld a reversed column on the said block plate.

Further purpose of the present utility model is achieved in that it is sliding set that said handrail built-in lock is installed in the interior mid portion of lock frame, this is stirred and is with two-way keyway and the middle room groove that draw key is slided, at sliding set endoporus two ends shaft locking sleeve is installed respectively, in shaft locking sleeve, install and fix the baffle ring of spring I and spring II, lock shaft is installed in shaft locking sleeve, one keyway is arranged on this lock shaft, protecting cover and handrail are installed outside shaft locking sleeve.After main lock locked, lock the handrail built-in lock again, key makes lock shaft compress spring I, II inwards in shaft locking sleeve, and room groove in the middle of draw key is released rotates handrail, and draw key drives sliding set and arm-tie moved lock paying a lock.

Above said outside lock shaft front end be the axle flat, two locking plates are installed in the rear end, said draw key side with the axle a flat corresponding position open a groove, said shaft locking sleeve is driven four cross keyways.After the handrail built-in lock locked, destroy, lock shaft is changeed 90 °, flat the entering in the movable keyway of axle got final product for preventing rigidity.

With hole that fixing main lock is arranged on the selvage that said lock frame matches and fixing L shaped hole of paying lock.

Owing to use the lock frame, and with general insurance built-in lock improvement installation one main lock, be further reinforced safety function, increasing by two again pays lock and uses the control of handrail built-in lock, and these two mechanisms are on same lock frame, so unblank, shut very conveniently, and increased intensity, reached pick-proof, antitheft function flexible and convenient to use.To on the built-in lock of outside protective cover be installed, the unlatching of protective cover is grasped by oneself, can prevent to destroy lockhole like this.The handrail built-in lock turns an angle after on the door lock, and lock is placed the room groove, rotates handrail in any case, promptly can not open the handrail built-in lock, also can not make the handrail built-in lock suffer rigidity destruction.When key is forgotten in doors and after running into latch, also can own door be opened, after entering house, the handrail built-in lock of outside is locked, the stranger can't open, and more increases it and makes things convenient for applicability.The utility model long service life, dismounting is easy to maintenance, and is safe and reliable, and the ideal that is security door is with locking.

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Fig. 1 is a front view of the present utility model.

Fig. 2 is the lateral view of Fig. 1.

Fig. 3 is that the A of Fig. 1 is to view.

Fig. 4 is the B-B sectional view of Fig. 2.

Fig. 5 is the selvage front view.

From Fig. 1, Fig. 2 as can be seen, the utility model comprises lock frame 1, Two-way lock core 5 and handrail built-in lock 2, installation can be fixed the fixed head 7 of each component in the middle of the lock frame 1, Two-way lock core 5 is installed on the fixed head 7 by installing plate 6, Two-way lock core 5 connects a main lock 10, press close to fixed head 7 arm-tie 8 that can slide up and down is arranged, each fixes one pair of lock 9 and 14 to this arm-tie 8 up and down, this pair lock 9 and 14 outsides connect a plate 11, arm-tie 8 upper end stationary racks 4, tooth bar 4 drives transmission by the sliding set on the said handrail built-in lock 23.Pay lock 14 for one and connect a return spring 13, the other end of this return spring 13 is fixed on the side plate of lock frame 1 by bearing pin 12, as can be seen from Figure 3, one slot 25 is arranged on one side of said junction plate 11, fix latch cover 24 in the side of said lock frame 1, the latch 27 of resilient connection one band pin 26 in the latch cover 24, its position is corresponding with slot 25.From Fig. 2, Fig. 3 as can be seen, bearing pin 22 hinged locking closures 21 are passed through in the outside at said Two-way lock core 5, the pin 20 that one trough of belt 23 is arranged on the locking closure 21, lock frame 1 has a through hole that pin 20 is passed through with corresponding position, pin 20 position, a rotating turn-button 16 is installed in lock frame 1 outside, with turn-button 16 coaxial installation one notched block plates 15, vertically connects a finger 17 on the turn-button axle in the lock frame 1, one compression spring 18 is arranged, vertical welding one reversed column 19 on the block plate 15 between finger 17 and the block plate 15.As can be seen from Figure 4, it is toothed sliding set 3 that said handrail built-in lock 2 is installed in lock frame 1 interior mid portion, sliding set 3 has two-way keyway 28 and the middle room groove 30 that draw key 29 is slided, shaft locking sleeve 31 is installed at two ends respectively in sliding set 3, in shaft locking sleeve 31, install and fix the baffle ring 32 of spring 34 and spring 35, lock shaft 33 is installed in shaft locking sleeve 31, is had on the lock shaft 33, protecting cover 39 and handrail 40 are installed outside shaft locking sleeve 31 by being fixed on the keyway 38 of pin 37 guiding on the shaft locking sleeve 31.Said outside lock shaft 33 front ends are that axle is flat 41, and two locking plates are installed in the rear end, and a groove 42 is opened with flat 41 corresponding positions of axle in draw key 29 sides, and shaft locking sleeve 31 is driven four cross keyways.As can be seen from Figure 5, with on the selvage 43 that matches of lock frame 1 hole 44 and the fixing L shaped hole 45 of paying lock of fixing main lock are arranged.According to above-mentioned concrete structure, introduce mode of occupation below: when locking a door earlier with Two-way lock core 5 with main lock 10 lock, then main lock 10 penetrates in the lockhole 44, door is locked, for preventing that the lockhole of inserting key from being destroyed by the people, locking closure 21 is covered, the pin 20 of trough of belt penetrates in the lock frame 1 by the hole on the lock frame 1 on the locking closure 21, rotate turn-button 16 again, finger 17 on the turn-button axle is stirred block plate 15, make breach on the block plate 15 not in the groove 23 of pin 20, locking closure 21 is covered, and the stranger can't open.For anti-sledge, antitheft, handrail built-in lock 2 is locked, key makes lock shaft 33 press draw key 29 inwards in shaft locking sleeve 31 again, room groove 30 in the middle of draw key 29 is released, rotate handrail, draw key 29 drives sliding set 3, by the rack-and-pinion transmission, arm-tie 8 is moved, the lock 9 and 14 of paying on the arm-tie 8 is locked downwards by the L shaped hole 45 on the selvage 43, groove is arranged because of paying below the lock 9, just in time be stuck in the bottom in L shaped hole 45, antitheft, the pick-proof performance is better.In order to prevent to twist handrail built-in lock 2, make its inside cause rigidity to destroy, after the handrail built-in lock is locked, draw key 29 is got back under spring action in the middle room groove 30, lock shaft 33 is changeed 90, axle flat 41 is entered in groove 42 grooves of draw key 29 and make lock shaft can't contact draw key 29, rotate handrail so in any case, 29 of draw keys rotate in room groove 30, and lock inside can not wreck, in addition, if key is forgotten in doors latch 27 to be locked, payable at sight lock 9 is locked, and can rotate handrail built-in lock 2 according to the rotational angle of oneself grasping and open the door, so use this lock convenient, flexible.After opening the door, for preventing that the stranger from opening the door, the draw key 29 of handrail built-in lock 2 can be placed room groove 30, axle flat 41 and 42 one-tenth 90 of grooves, at closing time, pin 26 on the latch 27 withdraws from from the slot 25 of junction plate 11, and arm-tie 8 and junction plate 11 drive and pay lock 9 with on the door lock under the effect of return spring 13.The utility model is safe and reliable, and compliance is strong, can antitheft, pick-proof, tamper-proof, and long service life, dismounting is easy to maintenance, and the ideal that is security door is with lock.

Claims (8)

1, a kind of hermetically sealed bidirectional safe safe-guard door lock, comprise lock frame, Two-way lock core and armrest lock, it is characterized in that: mounting plate (7) in the middle of the said lock frame (1), the Two-way lock core (5) that connects main lock (10) is installed on the fixed head (7), press close to fixed head (7) have one can slide up and down, the arm-tie (8) that there is tooth bar on the top (4), each fixes pair lock (9) and (14) that drive junction plate (11) motion to this arm-tie (8) up and down, and a toothed sliding set (3) that matches with tooth bar (4) is arranged on said handrail built-in lock (2).

2, hermetically sealed bidirectional safe safe-guard door lock according to claim 1 is characterized in that: below said two pairs of locks (9) and (14) groove is arranged.

3, hermetically sealed bidirectional safe safe-guard door lock according to claim 1 and 2, it is characterized in that: said pair of lock (14) connects a return spring (13) that is fixed on the said lock frame (1), on one side of said junction plate (11) one slot (25) is arranged, go up relative slot resilient connection one latch (27) at said lock frame (1).

4, hermetically sealed bidirectional safe safe-guard door lock according to claim 1, it is characterized in that: locking closure (21) is installed in the outside at said Two-way lock core (5), the pin (20) that one trough of belt (23) are arranged on the locking closure (21), a rotating turn-button (16) is installed in lock frame (1) outside, in the lock frame (1) with the coaxial installation one notched block plate (15) of turn-button (16).

5, hermetically sealed bidirectional safe safe-guard door lock according to claim 4, it is characterized in that: the vertical finger (17) that connects on said turn-button (16) axle, between this finger (17) and the said movable block plate of installing (15) a compression spring (18) is arranged, said block plate (15) is gone up vertical welding one reversed column (19).

6, hermetically sealed bidirectional safe safe-guard door lock according to claim 1, it is characterized in that: it is sliding set (3) that said handrail built-in lock (2) is installed in the interior mid portion of lock frame (1), this sliding set (3) has two-way keyway (28) and the middle room groove (30) that draw key (29) is slided, at sliding set (3) endoporus two ends shaft locking sleeve (31) is installed respectively, in shaft locking sleeve (31), install and fix the baffle ring 932 of spring I (34) and spring II (35)), lock shaft (33) is installed in shaft locking sleeve (31), one keyway (38) is arranged on this lock shaft (33), protecting cover (39) and handrail (40) are installed outside shaft locking sleeve (31).

7, hermetically sealed bidirectional safe safe-guard door lock according to claim 6, it is characterized in that: said outside lock shaft (33) front end is axle flat (41), two locking plates are installed in the rear end, a groove (42) is opened with axle flat (41) corresponding position in said draw key (29) side, and said shaft locking sleeve (31) is driven four cross keyways.

8, hermetically sealed bidirectional safe safe-guard door lock according to claim 1 is characterized in that: with hole (44) that fixing main lock (10) is arranged on the selvage (43) that said lock frame (1) matches and fixing L shaped hole (45) of paying lock.

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