CN203821967U

CN203821967U - Safe-guard chain door lock for protecting door viewer against opening

Info

Publication number: CN203821967U
Application number: CN201420116017.9U
Authority: CN
Inventors: 尹平
Original assignee: Individual
Current assignee: Jin Xianhe
Priority date: 2014-03-14
Filing date: 2014-03-14
Publication date: 2014-09-10
Anticipated expiration: 2024-03-14

Abstract

The utility model discloses a safe-guard chain door lock for protecting a door viewer against opening. The safe-guard chain door lock comprises a button, a handle, a panel and a lock body transmission part, wherein the button is fixed in a top hole in the handle, the button can freely move in an axial direction of the top hole, the handle is fixed on the panel through a handle positioning member, a first screw and a first reset spring and a clutch member and a clutch member reset spring are fixed on the handle positioning member in the panel by the lock body transmission part through a second reset spring, a cover plate, a second screw and a fixed column. According to the safe-guard chain door lock provided by the utility model, under the conditions whether people stay indoors or do not stay indoors, the lockset cannot be opened by pressing an inner handle of the door lock from a gap of the door viewer of the door, an upper door brim or a lower door brim by any tool outside the door.

Description

The safe-guard door lock that a kind of anti-opal is opened

Technical field

The utility model relates to a kind of door lock, relates in particular to the safe-guard door lock that a kind of anti-opal is opened.

Background technology

The use primary and foremost purpose of door lock is exactly antitheft, but the continuous upgrading of the various anti-theft techniques of door lock now, the technology of stealing is also in upgrading, the anti-fierceness day by day of gesticulating with stealing, before this by destroying outdoors lock core, after outer panels is pried open lockset and is stolen, present lock core, the each side intensity of panel, technical difficulty is constantly upgrading all, merely from lock core, the destruction of panel is opened existing not little difficulty, now again exhibition to opening lockset managing outdoors door capable of being opened inner handle mode, the handle of depressing in door by the iron wire of crotch as the lower eaves of opal hole from door or door or the gap of upper eaves reaches the object of opening lockset, the glass that even smashes security door having, with hand, put in the handle in an interior door capable of being opened and unblank, stretch these pilferage problems, the scheme of more existing anti-problems, but all unsatisfactory, as passed through lock door Internal handle mode, at door Internal handle, fill a switch, handle is pinned, but prerequisite is must have personnel in doors, not so from all opening outdoors, there is very large drawback.

Utility model content

In order to overcome the deficiencies in the prior art, it is a kind of no matter have in people or no one's situation in doors that the utility model provides, outdoors all cannot be from the opal of door, door the gap of eaves or the lower eaves Internal handle of depressing door lock by any instrument open the safe-guard door lock of the anti-opal unlatching of lockset.

The safe-guard door lock that a kind of anti-opal is opened, comprise button, handle, panel, lock body driving member, described button is fixed in the top-portion apertures on handle, described button can move freely along the axial direction of top-portion apertures, described handle is fixed on panel by handle keeper, the first screw and the first return spring, and described lock body driving member is fixed on clutch part, clutch part return spring above the handle keeper of panel the inside by the second return spring, cover plate, the second screw, fixed leg.

Described button inside is provided with thumb-button push rod, described handle inside is provided with a handspike locating hole, handle fixed screw holes, the upper end of described handle keeper is provided with the first clutch hole, and one end of described lock body driving member is provided with the second clutch hole, and the other end is provided with lock body coupling rod.

The beneficial effects of the utility model are: utility model is simple in structure, transmission single stable, realize and purely cannot open the door while being stressed on handle, only have while first pressing the button again depression of handle and just can open the door, prevent outdoors from opal hole or crack between a door and its frame gap illegally by the direct depression of handle of some instruments, reach the object of opening the door, button is arranged on the tip position of handle, the mother that staff custom is opened the door refers to present position, hand steered on handle while opening the door, mother refers to give the button a slight press again depression of handle can door.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is fractionation structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model while not starting.

Structural representation when Fig. 3 is the utility model startup.

The specific embodiment

With reference to Fig. 1-Fig. 3, the safe-guard door lock that a kind of anti-opal is opened, comprise button 1, handle 2, panel 3, lock body driving member 4, described button 1 is fixed in the top-portion apertures 21 on handle 2, described button 1 can move freely along the axial direction of top-portion apertures 21, described handle 2 is fixed on panel 3 by handle keeper 5, the first screw 6 and the first return spring 7, and described lock body driving member 4 is fixed on clutch part 12, clutch part return spring 13 above the handle keeper 5 of panel 3 the insides by the second return spring 8, cover plate 9, the second screw 10, fixed leg 11.

Described button 1 inside is provided with two thumb-button push rods 14, described handle 2 inside are provided with a handspike locating hole 22, handle fixed screw holes 23, button 1 is through handle top-portion apertures 21, thumb-button push rod 14 passes handspike locating hole 22, after packing into, button 1 can move freely along the axial direction of handle top-portion apertures 21,1 one-tenth one assembly of handle 2 and button.

The upper end of described handle keeper 5 is provided with the first clutch hole 51, handle 2 is placed on the outside of panel 3, the first screw 6 is tightened to handle fixed screw holes 23 by the first return spring 7, handle keeper 5 from the inside direction of panel 3, and position fixing knob 2 keeps horizontal direction on panel 3.

One end of described lock body driving member 4 is provided with the second clutch hole 41, and the other end is provided with lock body coupling rod 42.Lock body coupling rod 42 is directly connected to lock body, when lock body driving member 4 is when its axis direction rotates, can drive lock body to open the door.The second screw 10 is fixed on cover plate 9 on the fixed leg 11 of panel 3, cover plate 9 is pushed down the second return spring 8, lock body driving member 4, clutch return spring 13, clutch part 12 is positioned at above handle keeper 5, clutch part 12 can be in the first clutch hole 51 and the movement of 41, the second clutch hole, elastic force effect because of clutch return spring 13, clutch part 12 is not in the situation that being subject to external force, all the time can lean against the one side in the first clutch hole 51, handle 2 rotates around its axis arbitrarily, and 4 all onrelevant transmissions of lock body driving member, when clutch part 12 is subject to the pressure from the first clutch hole 51 to the second clutch hole 41, clutch part 12 is to the second interior movement in clutch hole 41, when now handle 2 rotates, thereby can to lock body driving member 4, rotate and reach the object of opening the door by clutch part 12 transmissions.

In addition, the utility model is not limited to above-mentioned embodiment, as long as reach technique effect of the present utility model with essentially identical means, all belongs to protection domain of the present utility model.

Claims

1. the safe-guard door lock that anti-opal is opened, comprise button (1), handle (2), panel (3), lock body driving member (4), it is characterized in that: described button (1) is fixed in the top-portion apertures (21) on handle (2), described button (1) can move freely along the axial direction of top-portion apertures (21), described handle (2) is by handle keeper (5), the first screw (6) and the first return spring (7) are fixed on panel (3), described lock body driving member (4) is by the second return spring (8), cover plate (9), the second screw (10), fixed leg (11) is by clutch part (12), the handle keeper (5) that clutch part return spring (13) is fixed on panel (3) the inside above.

2. the safe-guard door lock that a kind of anti-opal according to claim 1 is opened, it is characterized in that: described button (1) inside is provided with thumb-button push rod (14), described handle (2) inside is provided with a handspike locating hole (22), handle fixed screw holes (23), the upper end of described handle keeper (5) is provided with the first clutch hole (51), one end of described lock body driving member (4) is provided with the second clutch hole (41), and the other end is provided with lock body coupling rod (42).