CN2806693Y

CN2806693Y - Theftproof door lock

Info

Publication number: CN2806693Y
Application number: CN 200520061630
Authority: CN
Inventors: 蒋春娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-21
Filing date: 2005-07-21
Publication date: 2006-08-16
Anticipated expiration: 2015-07-21

Abstract

The utility model discloses a theft-proof door lock. The aim of the utility model is to provide a reliable theft-proof door lock which has the advantages of convenient installation, fixed structure, no installation error, long service life and convenient operation. The theft-proof door lock is composed of an outer lock head, an inner lock head (6), a lock body (7), a lock tongue, an inclined tongue rod (8), an inclined tongue (9), an inclined tongue deflector rod (10), a distance board, a buckle shell (11), a bolt (12), etc., wherein the outer lock head is composed of an outer lock core (1), an outer lock head body (2), a fixed seat (3), a regulating sleeve barrel (4) and an eccentric deflector card (5). The outer lock head body (2) is excessively and fixedly connected with the fixed seat (3) through the regulating sleeve barrel (4). The utility model can be used for various doors.

Description

A kind of safe-guard door lock

Technical field

The utility model relates to a kind of safe-guard door lock.

Background technology

Safe-guard door lock generally is made of outer tapered end and two tapered ends of inner lock head, the lock core hole of outer tapered end be installed in the body and with communicate outdoors, key easy to use is from opening the door outdoors, inner lock head is fixedly mounted on the lock body, in lock body is installed in, is convenient to use key back locking and unblank in door, at present, though existing safe-guard door lock structure is ever-changing, all be to adopt holder and outer tapered end to removably connect on the structure of outer tapered end, holder is fixedly connected with a body and be not connected with lock body.Though the perforate required precision reduced when this structure was installed, be convenient on the surface install, but in fact increased installation procedure, installation accuracy reduces simultaneously, make the cooperation of lock produce certain error, using inflexible probability increases greatly, adopt screw to be strained and fixed in the hole of door body during installation between holder and the outer tapered end, the vibration of switch repeatedly of door, the loosening probability of outer tapered end and holder is increased greatly, simultaneously since outer tapered end and lock body be separately fixed on the body, the switch repeatedly vibration of door, make outer tapered end and lock body and can produce in varying degrees loosening, thereby the quality of fit of outer tapered end and lock body is lower, these factors all make reduce greatly the application life of lock, and outer tapered end and lock body serious dislocation often occur and the phenomenon of opening the door outdoors.So prior art exists not enough: be not easy to install; Structure is scattered, easily produces alignment error; Application life is short; It is inconvenient unreliable to use.

The utility model content

Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of being convenient to install, and structure is fixed, and can not produce alignment error, long service life, easy to use and reliable safe-guard door lock.

The technical scheme that the utility model adopted is: the utility model comprises outer tapered end, inner lock head, lock body, dead bolt, oblique tongue, oblique tongue driving lever, oblique tongue rod, the stroke plate, the button shell, embolus, described lock body is a box die cavity body, described oblique tongue rod, described stroke plate is separately positioned on the bottom surface in the cavity of described lock body, described dead bolt, described oblique tongue is fixedly installed on described stroke plate respectively, the left part of described oblique tongue rod, and chamber, the left side wall of described lock body offers and described dead bolt, the through hole that described oblique tongue is complementary, described oblique tongue driving lever one end is hinged to be inserted in the slotted eye that is provided with on the described oblique tongue rod at the left part of the described stroke plate other end, described inner lock head approximate vertical is fixedly installed on the bottom outside middle and lower part of described lock body, described inner lock head is provided with the eccentric card of dialling in the described lock body cavity, described off-centre dials card and described stroke plate is complementary, described insurance is arranged on the right part in the described lock body cavity, the chute that described embolus passes the bottom surface of described lock body is fixed on the rear end of described oblique tongue driving lever, described button shell and described dead bolt, described oblique tongue and described lock body are complementary, described outer tapered end is by outer lock core, outer tapered end, holder, adjust sleeve, the eccentric card of dialling is formed, described outer lock core is arranged on the inside of described outer tapered end, described outer tapered end rearward end is provided with the shaft shoulder with described adjustment sleeve diameter coupling, described off-centre is dialled the rotatable roughly middle and lower part that is arranged on described holder of inlaying of card, described outer tapered end excessively is fixedly installed on the described holder by described adjustment sleeve, described outer lock core is dialled card with described off-centre and is connected, described off-centre dials card and described stroke plate is complementary, and described holder is fixedly installed on the described lock body.

Described stroke plate is by cage plate, tooth plate, spring, stop pin is formed, described cage plate is the cell body of U-shaped, middle front part at described cage plate is provided with mounting hole, anterior bottom land near U-shaped is provided with the through hole with described stop pin coupling, the chute hole both sides that the approximate mid-section of described tooth plate is provided with waist shape are respectively arranged with the lock slots that is complementary with stop pin, dialling card and described off-centre with described off-centre dials dialling that card is complementary and pushes away groove, and described lock slots and described group push away the groove coupling, the rear end of described cage plate is by the hinged bottom at described lock body of pillar, described tooth plate is enclosed within the described cage plate, described chute hole, described mounting hole is enclosed within on the lead that is fixedly installed on described lock body bottom surface, described spring one end is fixed on the cell body side that the other end on the sidewall of described lock body withstands on described tooth plate U-shaped, the left part that tongue is fixedly installed on described tooth plate is describedly colluded in the hinged left part that is arranged on described tooth plate of described oblique tongue driving lever one end.

Described dead bolt by the tongue cover, collude tongue, collude the tongue spring and form, the described tongue that colludes is a τ shape structure, the described tongue that colludes colludes to external symmetry is hinged and is arranged in the described tongue cover, the described tongue spring that colludes is fixedly installed on the described inboard, the hinged place of tongue of colluding.

Described insurance is made up of stop button, cam pin, slide plate, the rotatable right part, bottom that is arranged on described lock body of described stop button, described cam pin is fixedly installed on the inner end of described stop button and mates with described slide plate, and described slide plate slidably is arranged on the bottom of described lock body.

The beneficial effects of the utility model are: because outer tapered end described in the utility model is fixedly installed on the described holder by described adjustment sleeve, described holder is fixedly installed on the lock body, need only during installation outer tapered end is filled in the corresponding aperture of door in door, outer tapered end is not fixedlyed connected with the door body, outer tapered end is just along with lock body is fixed, so easy for installation; Owing to be provided with the adjustment sleeve, the thickness of door is not simultaneously, the length that sleeve is adjusted in change get final product with the thickness coupling of door, guarantees that outer tapered end fixedlys connected with lock body, switch repeatedly vibrate, holder is produced with outer tapered end to get loose, need not repeat to fix, institute has avoided alignment error so that rational in infrastructure, long service life, easy to use and reliable; Because described stroke plate is made up of cage plate, tooth plate, spring, stop pin, so the tapered end operation is lighter; Since described dead bolt by the tongue cover, collude tongue, collude the tongue spring and forms, dead bolt with detain hull shape and become the overhead kick interlock, avoid locking held in the month open possible, improved anti-theft security.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the utility model schematic rear view;

Fig. 3 is the structural representation of the utility model button shell;

Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of the outer tapered end of the utility model.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, the utility model comprises outer tapered end, inner lock head 6, lock body 7, dead bolt, oblique tongue 9, oblique tongue driving lever 10, oblique tongue rod 8, stroke plate, button shell 11, embolus 12.Described lock body 7 is a box die cavity body.Described oblique tongue 9 is fixedly installed on the left end of described oblique tongue rod 8, middle right part at described oblique tongue rod 8 is with spring 29, the left end of spring 29 is fixed on the described oblique tongue rod 8, described oblique tongue rod 8 slidably is arranged on the bottom surface in the cavity of described lock body 7 by the lower end, spring 29 is fixed on the described lock body 7, the left wall of described lock body 7 is provided with the through hole with described oblique tongue 9 couplings, the chute that described embolus 12 passes the bottom surface of described lock body 7 is fixed on the rear end of described oblique tongue driving lever 10, described insurance is by stop button 26, cam pin, slide plate 28 is formed, described stop button 26 rotatable right part, bottom and the button fixed handles that are arranged on described lock body 7 are arranged on the back side, described cam pin is fixedly installed on the inner end of described stop button 26 and mates with described slide plate 28, described slide plate 28 slidably is arranged on the bottom of described lock body 7, the right side that described slide plate 28 lower slider are just in time withstood described embolus 12.Described stroke plate is arranged on the interior top, bottom surface of cavity of described lock body 7, described stroke plate is by cage plate 27, tooth plate 14, spring 15, stop pin 16 is formed, described cage plate 27 is the cell body of U-shaped, left front portion at described cage plate 27 is provided with mounting hole, left front the bottom land near U-shaped is provided with the through hole that mates with described stop pin 16, chute hole 18 both sides that the middle part of described tooth plate 14 is provided with waist shape are respectively arranged with the lock slots 19 that is complementary with stop pin 16, dial and push away groove 20, and described lock slots 19 pushes away groove 20 couplings with described group, the rear end of described cage plate 27 is by pillar 17 hinged bottoms at described lock body 7, described tooth plate 14 is enclosed within the described cage plate 27, described chute hole, described mounting hole is enclosed within on the lead 21 that is fixedly installed on described lock body 7 bottom surfaces, described spring 15 1 ends are fixed on the cell body side that the other end withstands on described tooth plate 14U shape on the sidewall of described lock body 7, the hinged left part other end that is arranged on described tooth plate 14 of described oblique tongue driving lever 10 1 ends is inserted in the slotted eye that is provided with on the described oblique tongue rod 8, described dead bolt is by tongue cover 22, collude tongue 23, collude tongue 24, colluding tongue spring 25 forms, the described tongue 23 that colludes, the described tongue 24 that colludes is τ shape structure, the described tongue 23 that colludes, the described tongue 24 that colludes colludes to external symmetry is hinged and is arranged in the described tongue cover 22, the described tongue spring 25 that colludes is fixedly installed on the described tongue 23 that colludes, the described inboard, tongue 24 hinged place of colluding, the bottom right-hand member of described tongue cover 22 is fixedly installed on the left part of described tooth plate 14, and chamber, the left side wall of described lock body 7 offers and described tongue cover 22 through holes that are complementary.Described inner lock head 6 vertical fixing are arranged on the bottom rear of described lock body 7, and described inner lock head is provided with the eccentric card 13 of dialling in described lock body 7 cavitys, and described off-centre is dialled card 13 and is complementary with described tooth plate 14.Described outer tapered end is by outer lock core 1, outer tapered end 2, holder 3, adjust sleeve 4, the eccentric card 5 of dialling is formed, described outer lock core 1 is arranged on the inside of described outer tapered end 2, described outer tapered end 2 rearward end are provided with the shaft shoulder with described adjustment sleeve 4 internal diameters coupling, described off-centre is dialled the card 5 rotatable roughly middle and lower parts that are arranged on described holder 3 of inlaying, described outer tapered end 2 excessively is fixedly installed on the described holder 3 by described adjustment sleeve 4, described outer lock core 1 is dialled card 5 with described off-centre and is connected, described off-centre is dialled card 5 and is complementary with described tooth plate 14, pillar 17, the upper end of lead 21 is provided with screw, the left and right sides sidewall upper punch of described lock body 7 is pressed with the seat card of convex, the lower wall upper punch of described lock body 7 has hole clipping, described holder 3 one ends are provided with the dop with described hole clipping coupling, described holder 3 engagings be arranged on the described lock body 7 and by with pillar 17, the upper end of lead 21 is provided with the screw of screw coupling.Described button shell 11 is complementary with described dead bolt, described oblique tongue 9 and described lock body 7.

Claims

1, a kind of safe-guard door lock, it comprises outer tapered end, inner lock head (6), lock body (7), dead bolt, oblique tongue (9), oblique tongue driving lever (10), oblique tongue rod (8), the stroke plate, button shell (11), embolus (12), described lock body (7) is a box die cavity body, described oblique tongue rod (8), described stroke plate is separately positioned on the bottom surface in the cavity of described lock body (7), described dead bolt, described oblique tongue (9) is fixedly installed on described stroke plate respectively, the left part of described oblique tongue rod (8), and chamber, the left side wall of described lock body (7) offers and described dead bolt, the through hole that described oblique tongue (9) is complementary, described oblique tongue driving lever (10) one ends are hinged in the left part of the described stroke plate other end is inserted in the last slotted eye that is provided with of described oblique tongue rod (8), described inner lock head approximate vertical is fixedly installed on the bottom outside middle and lower part of described lock body (7), described inner lock head is provided with the eccentric card (13) of dialling in described lock body (7) cavity, described off-centre is dialled card (13) and is complementary with described stroke plate, described insurance is arranged on the right part in described lock body (7) cavity, the chute that described embolus (12) passes the bottom surface of described lock body (7) is fixed on the rear end of described oblique tongue driving lever (10), described button shell (11) and described dead bolt, described oblique tongue (9) and described lock body (7) are complementary, it is characterized in that: described outer tapered end is by outer lock core (1), outer tapered end (2), holder (3), adjust sleeve (4), the eccentric card (5) of dialling is formed, described outer lock core (1) is arranged on the inside of described outer tapered end (2), described outer tapered end (2) rearward end is provided with the shaft shoulder with described adjustment sleeve (4) internal diameter coupling, described off-centre is dialled the rotatable roughly middle and lower part that is arranged on described holder (3) of inlaying of card (5), described outer tapered end (2) excessively is fixedly installed on the described holder (3) by described adjustment sleeve (4), described outer lock core (1) is dialled card (5) with described off-centre and is connected, described off-centre is dialled card (5) and is complementary with described stroke plate, and described holder (3) is fixedly installed on the described lock body (7).

2, a kind of safe-guard door lock according to claim 1, it is characterized in that: described stroke plate is by cage plate (13), tooth plate (14), spring (15), stop pin (16) is formed, described cage plate (27) is the cell body of U-shaped, middle front part at described cage plate (27) is provided with mounting hole, anterior bottom land near U-shaped is provided with the through hole with described stop pin (16) coupling, chute hole (18) both sides that the approximate mid-section of described tooth plate (14) is provided with waist shape are respectively arranged with the lock slots (19) that is complementary with stop pin (16), dialling card (13) and described off-centre with described off-centre dials dialling that card (5) is complementary and pushes away groove (20), and described lock slots (19) pushes away groove (20) coupling with described group, the rear end of described cage plate (27) is by the hinged bottom in described lock body (7) of pillar (17), described tooth plate (14) is enclosed within the described cage plate (27), described chute hole, described mounting hole is enclosed within on the lead (21) that is fixedly installed on described lock body (7) bottom surface, described spring (15) one ends are fixed on the cell body side that the other end on the sidewall of described lock body (7) withstands on described tooth plate (14) U-shaped, the left part that tongue (8) is fixedly installed on described tooth plate (14) is describedly colluded in the hinged left part that is arranged on described tooth plate (14) of described oblique tongue driving lever (10) one ends.

3, a kind of safe-guard door lock according to claim 1 and 2, it is characterized in that: described dead bolt by tongue cover (22), collude tongue (23,24), collude tongue spring (25) and form, the described tongue (23,24) that colludes is τ shape structure, the described tongue (23,24) that colludes colludes to external symmetry is hinged and is arranged in the described tongue cover (22), and the described tongue spring (25) that colludes is fixedly installed on described tongue (23, the 24) inboard, hinged place of colluding.

4, a kind of safe-guard door lock according to claim 1 and 2, it is characterized in that: described insurance is made up of stop button (26), cam pin, slide plate (28), the rotatable right part, bottom that is arranged on described lock body (7) of described stop button (26), described cam pin is fixedly installed on the inner end of described stop button (26) and mates with described slide plate (28), and described slide plate (28) slidably is arranged on the bottom of described lock body (7).