CN201539167U

CN201539167U - Door lock

Info

Publication number: CN201539167U
Application number: CN200920190799XU
Authority: CN
Inventors: 王磊
Original assignee: Ningbo Safewell Equipment Co Ltd
Current assignee: Ningbo Safewell Equipment Co Ltd
Priority date: 2009-08-06
Filing date: 2009-08-06
Publication date: 2010-08-04
Anticipated expiration: 2019-08-06

Abstract

The utility model relates to a door lock comprising a lock head (1) and a lock core (2), wherein the tail end of the lock core (2) passes through the tail end of the lock head (1) to be connected with a bolt plate (3), and can rotate following the lock core (2). The utility model is characterized in that the door lock also comprises a decoration box (4); the lock head (1) is in a cylinder shape; the head part of the lock head (1) is provided with an annular barrier shoulder (11); an outer thread (12) is arranged on the outer peripheral face of the lock head (1); an arranging hole (41) for the lock head (1) to pass through is arranged on the decoration box (4); after the lock head (1) passes through the arranging hole (41), the lock head (1) at the rear part of the decoration box (4) is connected with a location nut (5) in a thread way to do front space for the lock head (1); and meanwhile, the annular barrier shoulder on the lock head (1) contacts to the outer end face of the decoration box (4) to do rear space for the lock head (1).The lock head (1) in the door lock is spaced on the decoration box (4) through a nut, so the lock door is convenient to assemble. When in use, only the decoration box (4) and a door plate need to be fixed, and the decoration box (4) also has a decoration function.

Description

A kind of door lock

Technical field

The utility model relates to a kind of door lock, and this door lock is a kind of Simple door lock that is applicable in file cabinet or the network cabinet.

Background technology

Conventional door lock comprises lock box, the dead bolt that can stretch in the side of lock box and the dead bolt planker that links to each other with dead bolt, is provided with in the lock box in addition and stirs the horizontal shift fork of dead bolt planker, and this shift fork rotates by key or knob driving.The structure more complicated of the door lock of this routine, the cost height.

As a patent No. is a kind of Simple door lock structure the Chinese utility model patent " Simple door lock " of ZL200420016499.7 (notification number is CN2723634Y) has disclosed, it includes lock body, lock body one side is a stationary plane, have centre bore, opposite side is provided with cavity, the lock core that the turriform spring is housed in the lock body cavity and has the parallel projection of twice, the locking closure that has two parallel grooves that is meshed with lock core, there is the lock shaft that passes the lock body centre bore at the locking closure center, and lock shaft passes lock core and lock body and lock hook and is fastenedly connected, key is a U-shaped, insert in two grooves of locking closure with it, make the engagement of lock core disengagement and locking closure, the rotation locking closure, lock hook is swung thereupon, thereby realize the unlatching of door lock, extract key, under the effect of spring force, lock core is returned to and the locking closure position of engagement, and tapered end is locked again.

The structurally more traditional door lock of aforementioned Simple door lock wants simple, but its structure still is more complicated relatively; Have existing various door latch structures all to be directly installed on the body again, the outward appearance of the door body behind this door lock is installed in influence, and is installed on the body door lock also inconvenient.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of door lock simple in structure, easy for installation at above-mentioned prior art present situation, and this door lock also has the advantage of good looking appearance.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of door lock, comprise tubulose billiards lock structure with tapered end and lock core, the tail end of lock core is connected with a door bolt plate after passing the tail end of tapered end, this door bolt plate can rotate with lock core, it is characterized in that: this door lock also comprises decorative plate, the profile of described tapered end is cylindric, the head of tapered end has annular shoulder block, the outer peripheral face of tapered end is provided with external screw thread, have the installing hole that passes for tapered end on the described decorative plate, after described tapered end passes this installing hole, be connected and to the tapered end front limit at the rear portion of decorative plate and a location nut thread, simultaneously, the annular shoulder block on the tapered end contacts with the outer face of decorative plate and to spacing behind the tapered end.

The above-mentioned door bolt plate and the syndeton of lock core comprise, lobed square installation portion on the inner face of described lock core, and on the end face of this square installation portion, have screwed hole, have on the described door bolt plate one with the corresponding square installing hole of square installation portion, this square installing hole is set on the square installation portion, on door bolt plate end face, also be provided with a pair of door bolt plate and carry out spacing back-up ring, with being connected of described screwed hole back-up ring and lock core are fixed after having a screw to pass back-up ring.

The front portion of above-mentioned decorative plate has the annular rib of evagination, forms the protruding Elastic buckle of a plurality of sides on the left and right side of decorative plate respectively.This decorative plate structure is convenient to decorative plate is installed on the door-plate, and spacing by annular rib, and the buckle of Elastic buckle can firmly navigate to decorative plate on the door-plate, and then this door lock is fixed on the door-plate.

Have the recess that inserts for finger on the front end face of above-mentioned decorative plate.This decorative plate structure makes decorative plate not only play decoration function, also play just and the effect of opening the door, the door lock with this structural ornament box be fit to use with door moving structure on.

Have downward opening fore shaft on the above-mentioned door bolt plate, described door lock also comprises the box-like member of a front opening, this box-like member and described decorative plate parallel interval are provided with, on the box-like member end face adjacent, have a location notch with the door bolt plate, can enter this location notch hole after described door bolt plate flips an angle, and make the fore shaft of fastening with a bolt or latch on the plate snap in the lower edge of described this locating notch.Decorative plate is fixed on the door-plate during use, and this box-like member is fixed on another door-plate or the corresponding doorframe, by of the mating reaction of door bolt plate with this box-like member, can with between door-plate and another door-plate or lock between door-plate and the doorframe firm.

For ease of box-like member and another door-plate or doorframe are fixed, the assembly wall that turns on above-mentioned box-like member top and the bottom also have has installing hole on this assembly wall.

Compared with prior art, advantage of the present utility model is: the rotation that the rotation of this door lock by lock core drives the door bolt plate realizes locking a door, and the structure between tapered end and the lock core be the tubulose billiards lock structure of routine, so this door lock overall structure is simple; And tapered end is spacing on decorative plate by nut, installs easily, as long as decorative plate and door-plate is fixing, decorative plate also plays decoration function during use.

Description of drawings

Fig. 1 is the perspective view (positive surface state) of the utility model embodiment;

Fig. 2 is the perspective view (back side state) of the utility model embodiment;

Fig. 3 is the three-dimensional exploded view of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Be a preferred embodiment of the present utility model as shown in Figure 1, 2, 3.

A kind of door lock comprises the tubulose billiards lock structure with tapered end 1 and lock core 2, is provided with the pellet shot from a slingshot assembly between tapered end and the lock core, and it is a routine techniques, so the pellet shot from a slingshot assembly does not show in drawing.

The tail end of lock core 2 is connected with a door bolt plate 3 after passing the tail end of tapered end 1, this door bolt plate 3 can rotate with lock core 2, door bolt plate 3 is connected with the employing and the mode of lock core 2, lobed square installation portion 21 on the inner face of lock core 2, square installation portion 21 is identical or bigger with the thickness of door bolt plate 3, on the end face of this square installation portion 21, have screwed hole 22, corresponding, have on the described door bolt plate 3 one with square installation portion 21 corresponding square installing holes 31, this square installing hole 31 is set on the square installation portion 21, also be provided with a pair of door bolt plate 3 and carry out spacing back-up ring 6 on door bolt plate 3 end faces, there have a screw 8 to pass back-up ring 6 backs to be fixing with lock core 2 with back-up ring 6 with being connected of described screwed hole 22.

Main improvement of the present utility model is, this door lock also includes decorative plate 4, have the recess 44 that inserts for finger on the front end face of decorative plate 4, the profile of tapered end 1 is cylindric, the head of tapered end 1 has annular shoulder block 11, the outer peripheral face of tapered end 1 is provided with external screw thread 12, have the installing hole 41 that passes for tapered end 1 on the decorative plate 4, after described tapered end 1 passes this installing hole 41, be threaded and to tapered end 1 front limit at the rear portion of decorative plate 4 and a location nut 5, simultaneously, the annular shoulder block 11 on the tapered end contacts with the outer face of decorative plate 4 and spacing to tapered end 1 back.

For ease of decorative plate 4 and door body are fixed, the front portion of decorative plate 4 has the annular rib 42 of evagination, forms the protruding Elastic buckle of a plurality of sides 43 on the left and right side of decorative plate 42 respectively.

Have downward opening fore shaft 32 on the door bolt plate 3, described door lock also comprises the box-like member 7 of a front opening, this box-like member 7 and described decorative plate 4 parallel interval settings, on the adjacent end face of box-like member 7 and door bolt plate 3, have a location notch 71, can enter this location notch hole 71 after described door bolt plate 3 flips an angle, and make the fore shaft 32 of fastening with a bolt or latch on the plate snap in the lower edge of described this locating notch 71; The assembly wall 72 that turns on box-like member 7 top and the bottom also have has installing hole 73 on this assembly wall 72.

Claims

1. door lock, the tubulose billiards lock structure that comprises have tapered end (1) and lock core (2), the tail end of lock core (2) is connected with a door bolt plate (3) after passing the tail end of tapered end (1), this door bolt plate (3) can rotate with lock core (2), it is characterized in that: this door lock also comprises decorative plate (4), the profile of described tapered end (1) is cylindric, the head of tapered end (1) has annular shoulder block (11), the outer peripheral face of tapered end (1) is provided with external screw thread (12), have the installing hole (41) that passes for tapered end (1) on the described decorative plate (4), after described tapered end (1) passes this installing hole (41), be threaded and to tapered end (1) front limit at the rear portion of decorative plate (4) and a location nut (5), simultaneously, the annular shoulder block (11) on the tapered end contacts with the outer face of decorative plate (4) and spacing to tapered end (1) back.

2. door lock according to claim 1, it is characterized in that: described door bolt plate (3) comprises with the syndeton of lock core (2), lobed square installation portion (21) on the inner face of described lock core (2), and on the end face of this square installation portion (21), have screwed hole (22), have on the described door bolt plate (3) one with the corresponding square installing hole of square installation portion (21) (31), this square installing hole (31) is set on the square installation portion (21), also be provided with a pair of door bolt plate (3) and carry out spacing back-up ring (6) on door bolt plate (3) end face, there have a screw (8) to pass back-up ring (6) back to be fixing with back-up ring (6) and lock core (2) with being connected of described screwed hole (22).

3. door lock according to claim 1 is characterized in that: the front portion of described decorative plate (4) has the annular rib (42) of evagination, forms the protruding Elastic buckle of a plurality of sides (43) on the left and right side of decorative plate (42) respectively.

4. door lock according to claim 3 is characterized in that: have the recess (44) that inserts for finger on the front end face of described decorative plate (4).

5. according to the described door lock of arbitrary claim in the claim 1～4, it is characterized in that: have downward opening fore shaft (32) on the described door bolt plate (3), described door lock also comprises the box-like member (7) of a front opening, this box-like member (7) and described decorative plate (4) parallel interval setting, on box-like member (7) end face adjacent, have a location notch (71) with door bolt plate (3), can enter this location notch hole (71) after described door bolt plate (3) flips an angle, and make the fore shaft (32) of fastening with a bolt or latch on the plate snap in the lower edge of described this locating notch (71).

6. door lock according to claim 5 is characterized in that: the assembly wall (72) that turns on described box-like member (7) top and the bottom also have has installing hole (73) on this assembly wall (72).