CN201381698Y

CN201381698Y - Four-surface bolting mechanism for safe doors

Info

Publication number: CN201381698Y
Application number: CN200920117151U
Authority: CN
Inventors: 朱学建; 曹忠伟
Original assignee: NINGBO YONGFA ELECTRON EQUIPMENT CO Ltd
Current assignee: NINGBO YONGFA ELECTRON EQUIPMENT CO Ltd
Priority date: 2009-04-02
Filing date: 2009-04-02
Publication date: 2010-01-13
Anticipated expiration: 2019-04-02

Abstract

The utility model relates to a four-surface bolting mechanism for safe doors, which comprises a door plate, a front slide plate whose front end is connected with a front bolt head, an upper slide plate whose upper end is connected with an upper bolt head, and a lower slide plate whose lower end is connected with a lower bolt head. The bolting mechanism is characterized by further comprising a rear slide plate whose rear end is connected with a rear bolt head, the rear slide plate is limited on the back surface of a door plate through a limiting mechanism which enables the rear slide plate to transversely move along the back surface of the door plate, the rear slide plate is connected with the front slide plate through a connecting plate, the middle portion of the connecting plate is rotatablely connected with the door plate through a shaft pin, the front end of the connecting plate is connected with the front slide plate through a front drive pin, and the rear end of the connecting plate is connected with the rear slide plate through a rear drive pin. Since the door plate is provided with the front slide plate, the upper slide plate and the lower slide plate, and is further provided with the rear slide plate, the upper and the lower slide plates are driven to vertically move and the rear slide plate is driven to horizontally move through the transverse moving of the front slide plate, finally four surfaces of the door plate are locked, and thereby the security is increased.

Description

Safe door four sides locking mechanism

Technical field

The utility model relates to a kind of safe door locking mechanism, relates in particular to a kind of safe door four sides locking mechanism.

Background technology

Along with improving constantly of people's living standard, for preserving valuables or various vital document, strongbox (cabinet) progresses among the daily life.Its structure of traditional strongbox (cabinet) mainly comprises the casing that has doorframe, match with casing and door bolt mechanism that pivot pin is connected the door-plate on the doorframe and door-plate and doorframe can be locked together.Traditional bolt structure comprise the slide plate that is arranged on the door-plate back side, with the front latch of slide plate interlock, and drive the driving mechanism that slide plate moves.For strengthening the fixing of locking mechanism locking, the locking mechanism that has also is provided with upper and lower slide plate, reach upper and lower door bolt head with upper and lower slide plate interlock, this upper and lower slide plate can move up and down with it in the horizontal slipping of slide plate, this locking mechanism not only can lock door-plate in the front side, also can door-plate be locked at both direction up and down, the fixing of door-plate locking further strengthens.

For further strengthening the blocked fixing of door-plate, strengthen the firm degree that mutually combines between doorframe and the door-plate, reach theftproof performance preferably, therefore, a kind of have on, following bolt and preceding, the locking mechanism of back bolt is invented, as a patent No. is a kind of safe door structure so the Chinese utility model patent " a kind of safe door structure " of ZL03229270.8 (notification number is CN2613570Y) has disclosed, comprise bolt, following bolt, opposite side bolt and last, following switch block, on described, be respectively equipped with two long slot bores that are triangularly arranged mutually and the fulcrum that switch block is rotated with respect to door-plate on the following switch block, the described bolt of going up, following bolt is respectively by on described, wherein one can provide its long slot bore that moves surplus and last on the following switch block, following switch block is connected, on the described jam plate, downside is then respectively by on described, on the following switch block another can provide its long slot bore that moves surplus and last, following switch block links to each other, and described opposite side bolt links by link gear and jam plate.Therefore, rotation along with lock core, when the drive jam plate moves, switch block and link gear are moved accordingly, thereby upper and lower bolt and side door door bolt is correspondingly stretched in casing, and the door-plate four sides is incorporated on the casing securely, thereby increased the difficulty of being prized, strengthened the safety of strongbox, to satisfy the requirement of people to strongbox.

But the structure relative complex of the disclosed locking mechanism of aforementioned patent also can be further improved.

Summary of the invention

Technical problem to be solved in the utility model is the safe door four sides locking mechanism that a kind of novel structure is provided at above-mentioned prior art present situation, this locking mechanism can be incorporated into the door-plate four sides on the casing equally securely, and it also has the advantage of the relative advantages of simple of structure.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of safe door is with the four sides locking mechanism, comprise door-plate, front end be connected with before the upper slide, the lower end that are connected with the head of fastening with a bolt, front slide, the upper end of door bolt head be connected with down the lower skateboard of door bolt; Wherein, front slide is by the spacing back side at door-plate of a position limiting structure that it can be moved laterally along the door-plate back side, and on door-plate, be provided with and drive the driving mechanism that front slide laterally moves, upper slide and lower skateboard make it can do the spacing back side at door-plate of position limiting structure that vertically moves along the door-plate back side by one, and upper slide all links to each other with front slide by linkage structure with lower skateboard, and this linkage structure can make front slide laterally move drive upper slide and lower skateboard and vertically move; It is characterized in that: comprise that also a rear end is connected with the tail skid of back door bolt head, this tail skid is by the spacing back side at door-plate of a position limiting structure that it can be moved laterally along the door-plate back side, link to each other by a plate between described tail skid and the front slide, the middle part of this junction plate is rotationally connected by pivot pin and door-plate, the front end of junction plate links to each other by the preceding long slot bore that trundle before can provide on preceding trundle and the front slide moves surplus, and the rear end of junction plate links to each other with the back long slot bore that can provide back trundle to move surplus on the tail skid by the back trundle.

Link gear between above-mentioned upper slide and lower skateboard and the front slide is, respectively have on upper slide and the lower skateboard one be obliquely installed on guiding slotted eye and following guiding slotted eye, the upper end of last guiding slotted eye is fastened a direction forward with a bolt or latch and is tilted, lead the down lower end of slotted eye is fastened a direction forward with a bolt or latch and is tilted, and has a projection and movable guiding slotted eye and the promotion post in the guiding slotted eye down of being plugged on the end face of front slide; When fasten with a bolt head and following door bolt head stretch out outside the door-plate, promote post and be positioned at guiding slotted eye top, the bottom of guiding slotted eye under being positioned at simultaneously; In the time of in fasten with a bolt a head and a following door bolt indentation door-plate, promote post and be positioned at guiding slotted eye bottom, the top of guiding slotted eye under being positioned at simultaneously.The extra brace structure that need not this link gear can realize when the slippage of the horizontal front and back of front slide, can drive vertically slippage up and down of slide plate up and down, so that this link gear has is simple and compact for structure, it is few and can make the relative as required simultaneously door-plate easy motion of front slide, upper slide, lower skateboard well to relate to parts.Certainly it also can adopt existing various other link gear.

Position limiting structure between the above-mentioned front slide and the door-plate back side is, on front slide, have two preceding slotted eyes horizontal and that be arranged in parallel, on the door-plate back side, be provided with a projection and and corresponding respectively two the preceding multidiameters that match of described two preceding slotted eyes, these two preceding multidiameters are movable respectively pass corresponding before behind the slotted eye another side at preceding slotted eye carry out spacing with nut.Adopt this structure can be stably that front slide is spacing at the door-plate back side, i.e. front slide slippage before and after door-plate is done relatively.

Position limiting structure between above-mentioned upper slide and lower skateboard and the door-plate back side is, have on the upper slide two vertically be provided with on slotted eye, have two following slotted eyes that vertically are provided with on lower skateboard, the another side at last slotted eye after described preceding multidiameter passes preceding slotted eye respectively successively, descends slotted eye accordingly and goes up slotted eye accordingly carries out spacing with nut.

Position limiting structure between the above-mentioned tail skid and the door-plate back side is, have on the tail skid laterally and be arranged in parallel two after slotted eye, be provided with on the door-plate back side projection and and described two after multidiameter behind corresponding respectively two of matching of slotted eye, multidiameter is movable respectively after these two passes that the another side at the back slotted eye carries out spacing with nut behind the slotted eye of corresponding back.

The driving mechanism that above-mentioned driving front slide is made lateral displacement is: comprise that its rotation is arranged on the door-plate back side also by the shift fork of key or its rotation of handle drives, the other end of this shift fork is hinged by the mounting hole that drives on pin and the front slide.It is a kind of driving mechanism of routine, also can adopt certainly on the existing various security doors and drive the structure that front slide moves, as adopting the drives structure of rack-and-pinion.

Compared with prior art, advantage of the present utility model is: owing to not only be provided with the front slide that is connected with preceding door bolt head on the door-plate, be connected with the upper slide of the head of fastening with a bolt and be connected with down the lower skateboard of fastening head with a bolt or latch, but also be provided with the tail skid that is connected with back door bolt head, and under the drive that front slide laterally moves, driving up and down, slide plate vertically moves, simultaneously under the effect by front slide and junction plate, driving the tail skid horizontal cross moves, finally make up and down door bolt head and the front and back door bolt door-plate that correspondingly stretches, four faces locking of door-plate increased this locking mechanism prized, strengthened safety; Only have to connect front slide and tail skid simultaneously by a plate again, move to drive tail skid, structure is simpler.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

The specific embodiment

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

As shown be a preferred embodiment of the present utility model.

A kind of safe door four sides locking mechanism, front slide 3, the upper end of door bolt 2 are connected with lower skateboard 7, rear end that fasten with a bolt upper slide 5, a lower end of 4 be connected with down door bolt 6 and are connected with the back and fasten a tail skid 9 of 8 with a bolt or latch before including door-plate 1, front end and being connected with, wherein forward and backward

door bolt

2,8 respectively has two, and upper and

lower door bolt

4,6 respectively has one respectively.

Wherein, front slide 3 is by the spacing back side at door-plate 1 of position limiting structure that it can be moved laterally along door-plate 1 back side, position limiting structure between the front slide 3 and door-plate 1 back side is, on front slide 3, have two preceding slotted eyes 33 horizontal and that be arranged in parallel, on door-plate 1 back side, be provided with a projection and and corresponding respectively two the preceding multidiameters 14 that match of described two preceding slotted eyes 33, these two movable respectively corresponding preceding slotted eye 33 backs of passing of preceding multidiameter 14 are carried out spacing at the another side of preceding slotted eye 33 with nut, front slide 3 is shelved on the cascaded surface of preceding multidiameter 14 like this, front slide 3 is carried out longitudinal spacing, guarantee between front slide 3 and the door-plate 1 gapped, in order to lock construction and drives structure to be installed.

Upper slide 5 and lower skateboard 7 also make it can do the spacing back side at door-plate 1 of position limiting structure that vertically moves along door-plate 1 back side by one, position limiting structure between upper slide 5 and lower skateboard 7 and door-plate 1 back side is, have on the upper slide 5 two vertically be provided with on slotted eye 52, have two following slotted eyes 72 that vertically are provided with on lower skateboard 7, described preceding multidiameter 14 passes preceding slotted eye respectively successively, descends slotted eye 72 and corresponding slotted eye 52 backs of going up to carry out spacing at the another side of last slotted eye 52 with nut accordingly.

Upper slide 5 all links to each other with front slide 3 by linkage structure with lower skateboard 7, link gear between upper slide 5 and lower skateboard 7 and the front slide 3 is, respectively have on upper slide 5 and the lower skateboard 7 one be obliquely installed on guiding slotted eye 51 and guiding slotted eye 71 down, the upper end of last guiding slotted eye 51 is fastened 2 direction forward with a bolt or latch and is tilted, lead the down lower end of slotted eye 71 is fastened 2 direction forward with a bolt or latch and is tilted, and has a projection and movable guiding slotted eye 51 and the promotion post 32 in the guiding slotted eye 71 down of being plugged on the end face of front slide 3.Under front slide 3 laterally drives movably, upper slide 5 and lower skateboard 7 can be done relative vertically moving along door-plate 2 respectively simultaneously under the drive of link gear separately, promptly when front slide 3 is moved horizontally to foremost position, promote post 32 and be positioned at guiding slotted eye 51 tops, be positioned at the down bottom of guiding slotted eye 71 simultaneously, preceding door bolt 2, fasten with a bolt 4 and down door bolt 6 stretch out simultaneously outside the door-plate 1; When front slide 3 is moved horizontally to the rearmost end position, promote post 32 and be positioned at guiding slotted eye 51 bottoms, be positioned at the top of guiding slotted eye 71 down simultaneously, preceding door bolt 2, fasten with a bolt 4 and fasten with a bolt or latch in the 6 indentation door-plate 1 down.

Tail skid 9 is by the spacing back side at door-plate 1 of position limiting structure that it can be moved laterally along door-plate 1 back side, position limiting structure between the tail skid 9 and door-plate 1 back side is, have on the tail skid 9 laterally and be arranged in parallel two after slotted eye 92, be provided with on door-plate 1 back side projection and and described two after multidiameter 17 behind corresponding respectively two of matching of slotted eye 92, movable respectively slotted eye 92 backs, corresponding back of passing of multidiameter 17 are carried out spacing at the another side of back slotted eye 92 with nut after these two, same tail skid 9 is shelved on the cascaded surface of back multidiameter 17, and tail skid 9 is carried out longitudinal spacing.

Link to each other by a plate 10 between tail skid 9 and the front slide 3, the middle part of this junction plate 10 is rotationally connected by pivot pin 11 and door-plate 1, the front end of junction plate 10 links to each other by the preceding long slot bore 31 that trundle before can provide on preceding trundle 12 and front slide 3 rear portions moves surplus, long slot bore 31 in the present embodiment is arranged on the plate that is connected with front slide 3 rear ends, and the rear end of junction plate 10 links to each other by the back long slot bore 91 that can provide back trundle 13 to move surplus on back trundle 13 and the tail skid 9.

Door-plate 1 is provided with and drives the driving mechanism that front slide 3 laterally moves, the driving mechanism that driving front slide 3 is made lateral displacement is: comprise that its rotation is arranged on door-plate 1 back side and passes through key or the shift fork 19 of handle 18 its rotations of driving, the other end of this shift fork 19 is hinged by the mounting hole 34 on drive pin 20 and the front slide 3.

When this locking mechanism is installed on the strongbox certainly, with rotatable doorframe one side that is installed in strongbox of a side of door-plate, and also be provided with on door-plate can be with the lock construction 19 of the relative locking with door-plate of front slide, and lock construction 19 can be that electronic lock can be a mechanical lock also, and it is routine techniques.

Operating principle of the present utility model and process are as follows:

At closing time, at first rotate shift fork 17, drive front slide 3 and on preceding door bolt 2 before move, simultaneously, the promotion post on the front slide 3 32 with on guiding slotted eye 51 and down under the effect of guiding slotted eye 71, promote post 32 promote upper slides 5 and on fasten with a bolt and move on 4, promote lower skateboard 7 and on following door bolt 6 move down, front slide 3 drives junction plate 10 clockwise deflections simultaneously, under the effect of junction plate 10, junction plate 10 promote tail skids 9 and on back door bolt 8 a relative door-plate 1 after move, finally guarantee before each door bolt 2, back door bolt 8, fasten with a bolt 4 and door bolt 6 is overhanging towards the four direction of door-plate 1 down, realization is to the locking of the four sides of door-plate, locks front slide is relative with door-plate with lock construction 19 at last.

The process of opening the door is just opposite with the process of closing the door.

Claims

1, a kind of safe door is with the four sides locking mechanism, comprise door-plate (1), front end be connected with before the upper slide (5), the lower end that are connected with the head (4) of fastening with a bolt, front slide (3), the upper end of door bolt head (2) be connected with down the lower skateboard (7) of door bolt (6);

Wherein, front slide (3) is by the spacing back side in door-plate (1) of position limiting structure that it can be moved laterally along door-plate (1) back side, and on door-plate (1), be provided with and drive the driving mechanism that front slide (3) laterally moves, upper slide (5) and lower skateboard (7) make it can do the spacing back side in door-plate (1) of position limiting structure that vertically moves along door-plate (1) back side by one, and upper slide (5) all links to each other with front slide (3) by linkage structure with lower skateboard (7), and this linkage structure can make front slide laterally move drive upper slide (5) and lower skateboard (7) and vertically move;

It is characterized in that: comprise that also a rear end is connected with the tail skid (9) of back door bolt head (8), this tail skid (9) is by the spacing back side in door-plate (1) of position limiting structure that it can be moved laterally along door-plate (1) back side, link to each other by a plate (10) between described tail skid (9) and the front slide (3), the middle part of this junction plate (10) is rotationally connected by pivot pin (11) and door-plate (1), the front end of junction plate (10) links to each other by the preceding long slot bore (31) that trundle before can provide on preceding trundle (12) and the front slide (3) moves surplus, and the rear end of junction plate (10) links to each other with the back long slot bore (91) that the mobile surplus of back trundle (13) can be provided on the tail skid (9) by back trundle (13).

2, safe door according to claim 1 four sides locking mechanism, it is characterized in that: the link gear between described upper slide (5) and lower skateboard (7) and the front slide (3) is, on upper slide (5) and lower skateboard (7), respectively have a upward guiding slotted eye (51) that is obliquely installed and the slotted eye (71) that leads down, the upper end of last guiding slotted eye (51) is fastened head (2) direction forward with a bolt or latch and is tilted, lead the down lower end of slotted eye (71) is fastened head (2) direction forward with a bolt or latch and is tilted, and has a projection and activity and be plugged in promotion post (32) in guiding slotted eye (51) and the following slotted eye (71) that leads on the end face of front slide (3); When fasten with a bolt head (4) and following door bolt head (6) stretch out outside the door-plate (1), promote post (32) and be positioned at guiding slotted eye (51) top, the bottom of guiding slotted eye (71) under being positioned at simultaneously; In the time of in fasten with a bolt head (4) and following door bolt head (6) indentation door-plate (1), promote post (32) and be positioned at bottom the guiding slotted eye (51), be positioned at the top of guiding slotted eye (71) down simultaneously.

3, safe door according to claim 1 and 2 four sides locking mechanism, it is characterized in that: the position limiting structure between the described front slide (3) and door-plate (1) back side is, on front slide (3), have two preceding slotted eyes (33) horizontal and that be arranged in parallel, on door-plate (1) back side, be provided with a projection and and corresponding respectively two the preceding multidiameters (14) that match of described two preceding slotted eyes (33), these two preceding multidiameters (14) respectively activity pass corresponding before slotted eye (33) back carry out spacing at the another side of preceding slotted eye (33) with nut.

4, safe door according to claim 3 four sides locking mechanism, it is characterized in that: the position limiting structure between described upper slide (5) and lower skateboard (7) and door-plate (1) back side is, on upper slide (5), have two last slotted eyes (52) that vertically are provided with, have two following slotted eyes (72) that vertically are provided with on lower skateboard (7), described preceding multidiameter (14) passes preceding slotted eye respectively successively, descends slotted eye (72) and corresponding slotted eye (52) back of going up to carry out spacing at the another side of last slotted eye (52) with nut accordingly.

5, safe door according to claim 1 and 2 four sides locking mechanism, it is characterized in that: the position limiting structure between the described tail skid (9) and door-plate (1) back side is, have on the tail skid (9) laterally and be arranged in parallel two after slotted eye (92), be provided with on door-plate (1) back side projection and and described two after multidiameter (15) behind corresponding respectively two of matching of slotted eye (92), after these two multidiameter (15) respectively activity pass corresponding back slotted eye (92) back and carry out spacing with nut at the another side of back slotted eye (92).

6, safe door according to claim 1 and 2 four sides locking mechanism, it is characterized in that: the driving mechanism that described driving front slide (3) moves laterally is: comprise that its rotation is arranged on door-plate (1) back side also by the shift fork (16) of key or its rotation of handle drives, the other end of this shift fork (16) is hinged by the mounting hole (34) that drives on pin (18) and the front slide (3).