CN1730886A

CN1730886A - Door bolt mechanism for strongbox

Info

Publication number: CN1730886A
Application number: CN 200510060496
Authority: CN
Inventors: 曹君
Original assignee: 曹君
Current assignee: NINGBO AIPU INDUSTRIAL CO., LTD.
Priority date: 2005-08-26
Filing date: 2005-08-26
Publication date: 2006-02-08
Anticipated expiration: 2025-08-26
Also published as: CN100350125C

Abstract

The latch mechanism for safe includes latch holder and rotary latch, and features the latch holder with fixed rotary latch guide sleeve and the rotary latch capable of sliding for inserting into the rotary latch guide sleeve. The rotary latch can rotate relatively to the guide sleeve, the guide sleeve has L-shaped slide slot and sleeved transmission sleeve capable of sliding and with inclined hole, and one connecting part is inserted into the inclined hole and the L-shaped slide slot and fixed to the rotary latch. The present invention has the advantages of raised picking-preventing effect and increased safety.

Description

Be used for the door bolt mechanism on the strongbox

Technical field

The present invention relates to lock technology field, especially refer to a kind of door bolt mechanism that is used on the strongbox.

Background technology

Along with improving constantly of people's living standard, people have proposed more and more higher requirement to the anti-theft feature of strongbox, people are according to the characteristics of traditional bolt-type strongbox locking mechanism, various locking mechanisms have been developed, but the single mortise lock formula structure of shape is still adopted in the improvement of locking mechanism basically, just number and the lock mode to latch improves, but the control structure of latch is not had big improvement.The patent No. is that 200420037492.3 Chinese utility model patent has proposed new structure for this reason; its structure includes doorframe, base plate; the keeper that is installed in the slide plate on the base plate and links by slide plate; it is characterized in that described base plate is provided with the chute of band bending angle; connect by transmission mechanism between keeper and the slide plate; one end and the slide plate of transmission mechanism flexibly connect; the other end of transmission mechanism can slide by the track along the groove of living in chute; and flexibly connect with the inner end of keeper, the keeper head end that keeper inserts the keeper bore portion is special-shaped keeper head.This structure with go to the safe door stud structure to compare great improvement is arranged, solved the difficult problem that the easy stolen person of keeper pushes aside effectively, but its shortcoming is that structure is complicated, make trouble, and driver plate is stuck easily when using, and volume is also bigger, and two bolt structures are identical, after opening a keeper as the thief, its another keeper promptly can be opened simultaneously, thereby to the thief opportunity is arranged, so its structure also can make improvements.

Summary of the invention

Technical problem to be solved by this invention is that a kind of simple in structure, easy to make and practical door bolt mechanism that is used on the strongbox is provided at above-mentioned prior art present situation.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: this is used for the door bolt mechanism on the strongbox, include the keeper frame and revolve bolt, the described bolt that revolves places the keeper frame movably, it is characterized in that described keeper frame is fixed with on it revolves the bolt fairlead, a described end that revolves bolt inserts slidably and revolves in the bolt fairlead, and revolving bolt and fairlead can relatively rotate, and on fairlead, have " L " shape chute hole, on fairlead, be equipped with the drive socket that can slidably reciprocate along the fairlead periphery, and on drive socket, have with " L " shape chute hole and become the inclined hole of a gradient, and have connector one end to insert inclined hole and pass " L " shape chute hole and revolve bolt and fix.

As improvement, described its insertion insurance frame end of bolt that revolves can be special-shaped bolt head; Described special-shaped bolt head can be waist shape, rectangle, ellipse or other shape; Described keeper frame also has been mounted slidably keeper on it, and this keeper and link fix, and link and drive socket linkage link together; And described keeper frame also can be provided with on it and revolve the bolt guide strip, and guide strip is provided with perforate, and the described bolt that revolves is for being placed through slidably in the guide strip, revolves bolt and keeper slides more stable, more flexible thereby make in the keeper frame.

Above-mentioned connector can be screw or pin.

In order to improve the stability of keeper work better, it also can be provided with guide pad described link on the keeper face, and this guide pad is placed through in the gathering sill of keeper frame slidably.

It can be preferably above-mentioned link with structure that drive socket linkage ground is connected, drive socket is provided with the platform step, it is positioned at this step platform level face and is threaded mutually with the base plate of flap, and the vertical side plate of flap also is fixed together by screw and link side screw.

The structure that above-mentioned keeper and link fix may be selected to be by bolt and is threaded togather mutually.

Above-mentioned keeper frame can excellently be selected as with revolving the structure that the bolt fairlead fixes, and extends base plate in the bottom of fairlead, is fixed together by screw and keeper frame screw by base plate.

Compared with prior art, the present invention is revolved bolt because of employing is provided with the keeper frame, this end that revolves bolt inserts slidably and is fixed on revolving in the bolt fairlead on the keeper frame, and revolving bolt and fairlead can relatively rotate, and on fairlead, have " L " shape chute hole, on fairlead, be equipped with the drive socket that can slidably reciprocate along the fairlead periphery, and on drive socket, have the inclined hole that becomes a gradient with " L " shape chute hole, and have latch to insert inclined hole and pass " L " shape chute hole and revolve bolt and fix, and drive socket and link interconnect.The invention has the advantages that and simplify the structure, improve theftproof performance by special-shaped bolt head, in further improving, can replace another to revolve bolt common keeper, be about to revolve bolt and common keeper is installed on the strongbox simultaneously, thereby door bolt mechanism is more oversimplified, and well-known, described common keeper specific rotation stud structure is much simple, so the present invention makes just more convenient, cost of manufacture is with extremely reducing simultaneously, and volume is also corresponding to be reduced, and two bolt structure differences, more hold the fascination thief, also must know another kind of structure know a kind of structure of keeper the thief after, can open strongbox, thereby bring difficulty to theft.Therefore the present invention is a kind of bolt structure with fine anti-theft effect, is worthy of popularization.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention;

Fig. 2 is the exploded view of Fig. 1;

Fig. 3 is the stereogram of Fig. 1;

Fig. 4 is the left view of Fig. 1;

Fig. 5 is the right view of Fig. 1;

Fig. 6 is the vertical view of Fig. 1;

Fig. 7 is that Fig. 1 is at keeper opening schematic diagram;

Fig. 8 is the vertical view of Fig. 7;

Fig. 9 revolves bolt to stretch in the insurance frame and the structure chart when not rotating among Fig. 1;

Figure 10 is overlooking of Fig. 9.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Extremely shown in Figure 10 as Fig. 1, present embodiment includes keeper frame 3 and revolves bolt 1, the described bolt 1 that revolves places keeper frame 3 movably, on described keeper frame 3, be fixed with and revolve bolt fairlead 5, a described end that revolves bolt 1 inserts slidably and revolves in the bolt fairlead 5, and revolving bolt 1 can relatively rotate with fairlead 5, and on fairlead 5, have " L " shape chute hole 51, on fairlead 5, be equipped with the drive socket 6 that can slidably reciprocate along fairlead 5 peripheries, and on drive socket 6, have the inclined hole 61 with 51 one-tenth one gradients of " L " shape chute hole, and have connector 7 one ends to insert inclined hole 61 and pass " L " shape chute hole 51 and revolve bolt 1 and fix.Be mounted slidably keeper 2 on described keeper frame 3, this keeper 2 fixes with link 4, and link 4 and drive socket 6 linkages link together.Described revolve bolt 1 its to insert insurance frame end be special-shaped bolt head 11, this abnormity bolt head 11 is a waist shape, can certainly be that rectangle or ellipse wait other shape.Described keeper frame 3 also is provided with on it and revolves bolt guide strip 8, and guide strip 8 is provided with perforate 81, and the described bolt 1 that revolves is for being placed through slidably in the guide strip 8.Described connector 7 can certainly be a pin for screw.It is provided with guide pad 41 back to keeper 2 one sides described link 4, and this guide pad 41 is placed through in the gathering sill 31 of keeper frame 3 slidably.Described drive socket 6 is provided with platform step 62, and it is positioned at this step 62 platform level face and is threaded mutually with the base plate 42a of flap 42, and the vertical side plate 42b of flap 42 also is fixed together by screw and link 4 side screws.Described keeper 2 is to be threaded togather mutually by bolt 43 with link 4.Base plate 52 is extended in described fairlead 5 its bottoms, is fixed together by screw and keeper frame 3 screws by base plate 52.

Operating principle of the present invention is as follows:

As shown in Figure 7 and Figure 8, be positioned at the straight trough hole site of fairlead " L " shape chute hole at this moment as the screw of connector, at this moment revolve the waist shape bolt head on the bolt, its waist shape limit parallels with the top and bottom of common keeper, but strongbox promptly is in opening.Yet when revolving that bolt and keeper are promoted by transmission mechanism and from the keeper frame when protruding, see as Fig. 9 and shown in Figure 10, just (described straight trough hole promptly refers on " L " shape chute hole L vertical edge to be arranged in the straight trough hole of fairlead " L " shape chute hole and translot hole to the screw as connector, and described translot hole promptly refers in " L " shape chute hole on the L horizontal edge) infall, this moment, strongbox was locked, but revolve also not rotation of bolt, promptly revolve the waist shape bolt head on the bolt, its waist shape limit and common keeper top and bottom still are in the state of being parallel to each other.And when transmission mechanism further promotes to revolve bolt and keeper again, under the guiding of inclined hole on the drive socket, promptly enter the translot hole of fairlead " L " shape chute hole this moment as the screw of connector, contact with translot limit end until screw, in this process, revolving bolt rotates, see Fig. 1 and shown in Figure 6, this moment, strongbox was a closed condition, and it is following perpendicular to revolve going up of the waist shape limit of waist shape bolt head on the bolt and common keeper, thereby waist shape bolt head is held in the insurance frame opening, like this with common keeper with revolve bolt latch in simultaneously the insurance frame in, with regard to the possibility that has stoped the bolt head to be pushed aside effectively, and common keeper specific rotation bolt is thicker, so its pick-proof performance is stronger, thereby has played better antitheft effect.As strongbox will be reopened the time,, can open security door as long as make the transmission mechanism backwards rotation.

The strongbox of indication in the present patent application not only is meant the strongbox that volume is less, and can refer to the door bolt mechanism that the bigger insurance casings such as safety cabinet of volume will be used.

Claims

1, a kind of door bolt mechanism that is used on the strongbox, include keeper frame (3) and revolve bolt (1), the described bolt (1) that revolves places keeper frame (3) movably, it is characterized in that described keeper frame (3) is fixed with on it revolves bolt fairlead (5), a described end that revolves bolt (1) inserts slidably and revolves in the bolt fairlead (5), and revolving bolt (1) can relatively rotate with fairlead (5), and on fairlead (5), have " L " shape chute hole (51), on fairlead (5), be equipped with the drive socket (6) that can slidably reciprocate along fairlead (5) periphery, and on drive socket (6), have the inclined hole (61) that becomes a gradient with " L " shape chute hole (51), and have connector (7) one ends to insert inclined hole (61) and pass " L " shape chute hole (51) and revolve bolt (1) and fix.

2, the door bolt mechanism that is used on the strongbox according to claim 1, it is characterized in that described revolve bolt (1) its to insert insurance frame end be special-shaped bolt head (11).

3, the door bolt mechanism that is used on the strongbox according to claim 2 is characterized in that described special-shaped bolt head (11) is waist shape, rectangle or ellipse.

4, the door bolt mechanism that is used on the strongbox according to claim 3, it is characterized in that described keeper frame (3) has been mounted slidably keeper (2) on it, this keeper (2) and link (4) fix, and link (4) and drive socket (6) linkage link together.

5, the door bolt mechanism that is used on the strongbox according to claim 4, it is provided with and revolves bolt guide strip (8) to it is characterized in that described keeper frame (3), guide strip (8) is provided with perforate (81), and the described bolt (1) that revolves is for being placed through slidably in the guide strip (8).

6,, it is characterized in that described connector (7) is screw or pin according to any one described door bolt mechanism that is used on the strongbox in the claim 1 to 5.

7, according to any one described door bolt mechanism that is used on the strongbox in the claim 2 to 5, it is provided with guide pad (41) back to keeper (2) face to it is characterized in that described link (4), and this guide pad (41) is placed through in the gathering sill (31) of keeper frame (3) slidably.

8, according to any one described door bolt mechanism that is used on the strongbox in the claim 2 to 5, it with structure that drive socket (6) linkage ground is connected is to it is characterized in that described link (4), drive socket (6) is provided with platform step (62), it is positioned at this step (62) platform level face and is threaded mutually with the base plate (42a) of flap (42), and the vertical side plate (42b) of flap (42) also is fixed together by screw and link (4) side screw.

9,, it is characterized in that the structure that described keeper (2) and link (4) fix is to be threaded togather mutually by bolt (43) according to any one described door bolt mechanism that is used on the strongbox in the claim 2 to 5.

10, according to any one described door bolt mechanism that is used on the strongbox in the claim 1 to 5, it is characterized in that described keeper frame (3) and revolve the structure that bolt fairlead (5) fixes and be, extend base plate (52) in the bottom of fairlead (5), be fixed together by screw and keeper frame (3) screw by base plate (52).