CN201318055Y

CN201318055Y - Inverted hooking safety door bolt structure

Info

Publication number: CN201318055Y
Application number: CNU2008201697643U
Authority: CN
Inventors: 王勇军
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-12
Filing date: 2008-12-12
Publication date: 2009-09-30
Anticipated expiration: 2018-12-12

Abstract

The utility model relates to an inverted hooking safety door bolt structure which comprises a bolt head(1), bolt buckles(2) and a guide plate(3). The inverted hooking safety door bolt structure is characterized in that the bolt buckles(2), two in number, are symmetrically arranged in an inner cavity(10)of the bolt head(1), with the tail parts respectively hinged with the bolt heads(1)through pin rolls(4); hooking parts(21) extending outward are arranged at the heads of the bolt buckles(2); guide pins(5)extending upward are arranged at the middle parts of the bolt buckles(2); correspondingly, two approximately L-shaped guide slotted holes(31) which are provided with corners for transition for the guide pins(5) to slide therein are symmetrically arranged on the guide plate(3); a through slot(32)is also arranged on the guide plate(3); the pin rolls(4)run through the through slot(32); and the guide plate is inserted into the inner cavity(10)of the bolt head from the rear end of the bolt head(1). The whole guide plate provided with the guide slotted holes and the through slot is disposed in the inner cavity of the bolt head, the bolt buckles are hinged with the bolt head and the rear parts of the bolt buckles can not be exposed from the bolt head, so the volume of the bolt head which has locking function is relative big, thus ensuring locking strength.

Description

Inverted hook type johnny bar structure

Technical field

The utility model relates to a kind of johnny bar structure, relate in particular to good, the safe inverted hook type johnny bar structure of a kind of tamper-resistant function, this bolt structure can be applicable on various strongboxs, Theft-proof cabinet, hutch, file cabinet, weapon cabinet, strong-room and the home-use security door.

Background technology

Existing its structure of safe door mainly comprises doorframe, be articulated in the door body on the doorframe and be arranged on bolt structure between a body and the doorframe, general bolt structure comprises the bolt that is arranged on a jam plate at the body back side and links with jam plate, and then the respective side bolt offers the door bolt hole on doorframe.And bolt its be cylindric, the cylindrical hole that door bolt Kong Zewei and bolt match.There are some defectives in this safe door, if lawless person's sled is not lock, but the frame of forcing open the door, owing to be without any hindering structure between bolt and the door bolt hole, as long as the lawless person only need pry open a side of doorframe a little, the bolt on the door body just can be easy to deviate from the door bolt hole of doorframe, thereby opens the safe door like this, the lawless person is taken advantage of a weak point, so the safety of this safe door is not enough.

At above-mentioned present situation, the someone has invented inverted hook type johnny bar structure, and it is buckled under the state of closing the door left-hand thread by the door bolt in the door bolt head and firmly fastens the hole with a bolt or latch, plays further antitheft purpose.As a patent No. is that a kind of strongbox safety bolt was made up of door bolt head and door bolt seat the Chinese invention patent " strongbox safety bolt " of ZL200710069808.5 (publication number is CN101100911A) had disclosed, described door bolt head is linked by the door bolt that has alignment pin and is connected in the retaining ring, described door bolt seat is a junction plate, corresponding fixed bar chute is arranged on the two sides of described junction plate, wherein also has the alignment pin chute on the side, the alignment pin that described door bolt is buckled cooperates with alignment pin chute on the junction plate, retaining ring and junction plate is flexibly connected whole.Two strut angles of safety latch door bolt button front end tightly fasten the door bolt hole at closing time, form between bolt and door bolt hole that obstacle can not deviate under external force yet, safety cabinet just can't be opened, and have strengthened the safety of safety cabinet greatly, good anti-theft effect.

But because the middle part of door bolt button is rotatably connected with the door bolt cover, and cooperate with alignment pin chute on the junction plate by the alignment pin of door bolt button afterbody, to drive the deflection of door bolt button, under door bolt is detained inwardly deflection state, the both sides that the afterbody of door bolt button exposes the door bolt cover, so playing the door bolt cover volume of locking action is the volume of junction plate less than the door bolt seat certainly, the fasten with a bolt locking area in hole of door bolt cover and doorframe is relative less, and safety is relatively poor.So aforementioned inverted hook type johnny bar structure also can be further improved.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of novel structure and rationally distributed inverted hook type johnny bar structure at above-mentioned prior art present situation, and it has pick-proof, advantage that anti-theft feature is good equally.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of inverted hook type johnny bar structure, comprise the door bolt head, door bolt button and guide strip, wherein, described door bolt button is two and is symmetrically set among the inner chamber of described door bolt head, the afterbody of each door bolt button is hinged by bearing pin and described door bolt, the head of each door bolt button has outward extending hook portion, the middle part of each door bolt button has upwardly extending guide finger, accordingly, symmetry has two and roughly is the guiding slotted eye of L type band corner transition for guide finger slippage within it on the described guide strip, when guide finger moves to the front end of guiding slotted eye, the hook portion that described door bolt button buckles door bolt around pivot pin deflection exposes outside the sidepiece of door bolt head, also have one on the described guide strip and run through groove, this runs through groove between two guiding slotted eyes, described bearing pin runs through this and runs through groove, and described guide strip inserts the inner chamber of door bolt head from a door bolt rear end.

As further improvement of the utility model, above-mentioned door bolt head forms one by the steel plate bending and has the frame construction of roof, diapire, antetheca and left and right sides sidewall, described roof, diapire, antetheca and left and right sides sidewall surround the inner chamber of an open rearward end, are respectively equipped with a side opening that can free in and out for the hook portion of door bolt discount portion on the left and right sidewall of a described door bolt inner chamber.Not only strengthened a door bolt integral intensity by left and right sidewall, and stopping of left and right sidewall can also play certain position-limiting action to guide strip, guarantee to fasten with a bolt or latch the stationarity that head moves.

Also be fixed with a lead in the inner chamber of above-mentioned door bolt head, this lead passes the described groove that runs through.By lead with run through cooperating of groove, add bearing pin and run through cooperating of groove, guarantee the slippage of guide strip.

Above-mentioned door bolt button is superimposed and by rivet they are fixed together and form by several pieces cramps.If the door bolt button is single piece, then because integral thickness is bigger, processing is difficulty, is buckled with several pieces cramps as door bolt to be formed by stacking, and processing is convenient in each cramp thickness attenuation, and is at last that the cramp riveted one that processes is promptly plastic.

All there is the protuberance that extends backward the roof of above-mentioned door bolt head and the rear end of diapire, and have connecting hole on this protuberance.Be convenient to like this door bolt head is linked to each other with transmission mechanism.

Compared with prior art, advantage of the present utility model is: the mating reaction of buckling alignment pin and guiding slotted eye by door bolt, at the safe door under lock-out state, the hook portion of door bolt button is to catch on the inwall in door bolt hole to extrinsic deflection, the door bolt head can not be broken away from from the door bolt hole easily, effectively played the effect of pick-proof; Have guiding slotted eye and guide strip that runs through groove and the whole cavity that is positioned at the door bolt head of door bolt button in addition; so the door bolt head is also buckled about protection guide strip and door bolt; and the middle part of door bolt button and door bolt are hinged; the afterbody of door bolt button can not expose exposing of door bolt head; therefore a door bolt volume that plays locking action is relatively large, guarantees to lock intensity.

Description of drawings

Fig. 1 is the perspective view (lock-out state) of the utility model embodiment;

Fig. 2 is the phantom drawing (lock-out state) of the utility model embodiment;

Fig. 3 is the perspective view (released state) of the utility model embodiment;

Fig. 4 is the phantom drawing (released state) of the utility model embodiment;

Fig. 5 be among the utility model embodiment guide strip and door bolt button cooperate schematic diagram (lock-out state);

Fig. 6 be among the utility model embodiment guide strip and door bolt button cooperate schematic diagram (released state).

The specific embodiment

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

Be depicted as a preferred embodiment of the present utility model as Fig. 1～6.

A kind of inverted hook type johnny bar structure, comprise door bolt 1, door bolt button 2 and guide strip 3, door bolt 1 forms one by the steel plate bending and has the frame construction of roof 11, diapire 12, antetheca 13 and left and

right sides sidewall

14,15, described roof 11, diapire 12, antetheca 13 and left and

right sides sidewall

14,15 surround the inner chamber 10 of an open rearward end, all there is the protuberance 16 that extends backward the roof 11 of door bolt 1 and the rear end of diapire 12, and have connecting hole 17 on this protuberance 16.

Door bolt button 2 is two and is symmetrically set among the inner chamber 10 of described door bolt 1, the afterbody of each door bolt button 2 is hinged with the diapire 11 and the diapire 12 of a door bolt inner chamber 10 by bearing pin 4, the head of each door bolt button 2 has outward extending hook portion 21, is respectively equipped with a side opening 141,151 that can free in and out for the hook portion 21 of door bolt discount portion on the left and

right sidewall

14,15 of corresponding ground latch head inner chamber.The middle part of each door bolt button 2 has upwardly extending guide finger 5, accordingly, symmetry has two and roughly is the guiding slotted eye 31 of L type band corner transition for guide finger 5 slippage within it on the guide strip 3, the profile of this guiding slotted eye 31 can be with reference to prior art, when guide finger 5 moves to the front end of guiding slotted eye 31, the hook portion 21 that door bolt button 2 buckles door bolt around pivot pin 4 deflections exposes outside the side opening 141,151 of door bolt head, when guide finger 5 moved to the rear end of guiding slotted eye 31, door bolt button 2 made in the inner chamber 10 of fastening indentation door bolt head in the hook portion 21 of buckleing with a bolt or latch around pivot pin 4 deflections.

Also have one on the guide strip 3 and run through groove 32, this runs through groove 32 between two guiding slotted eyes 31, and the bearing pin 4 that wherein connects two door bolt buttons, 2 afterbodys runs through this and runs through groove 32, and guide strip 3 inserts the inner chamber 10 of door bolt head from door bolt 2 rear end.Also be fixed with a lead 6 in the inner chamber 10 of door bolt head, this lead 6 passes the described groove 32 that runs through equally, like this by lead 6 with run through cooperating of groove 32, add bearing pin 4 and run through cooperating of groove 32, guarantee guide strip 3 steady slippages.

Each door bolt button 2 is superimposed and by rivet they are fixed together and form by several pieces cramps 2a.If the door bolt button is single piece, then because integral thickness is bigger, processing is difficulty, is buckled with several pieces cramps as door bolt to be formed by stacking, and processing is convenient in each cramp thickness attenuation, and is at last that the cramp riveted one that processes is promptly plastic.

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

During use, the connecting hole 17 of door bolt 1 afterbody is linked to each other with transmission mechanism, guide strip 3 is fixed with the door body simultaneously, transmission mechanism drives door bolt 1 reach, because guide strip 3 is fixed with the door body, so guide strip 3 moves behind the door bolt 1 relatively, the door bolt button 2 hinged with the inner chamber 11 of door bolt head moves forward thereupon, the guide finger 4 of door bolt button 2 afterbodys is along 31 reaches of the guiding slotted eye on the guide strip 3, because guiding slotted eye 31 front ends outwards open, when guide finger 5 moved to the front end of guiding slotted eye 31, the hook portion 21 that door bolt button 2 buckle door bolt around pivot pin 4 deflections exposes outside fastened a side opening 12 of 1 with a bolt or latch, the hook portion 21 of door bolt button catches on the inside wall in corresponding door bolt hole, improves the difficulty that this bolt is prized.

When after transmission mechanism drives door bolt 1, moving, with the hinged door bolt button 2 of the inner chamber 11 of door bolt head with after move, the guide finger 5 of door bolt button 2 afterbodys moves behind guiding slotted eye 31, when guide finger 5 moves to the rear end of guiding slotted eye 31, the hook portion 21 that door bolt button 2 buckle door bolt around pivot pin 4 reverse deflections is shunk back to an inner chamber 11 of fastening 1 with a bolt or latch, fastens 1 like this with a bolt or latch and just can withdraw from corresponding door bolt hole.

Claims

1, a kind of inverted hook type johnny bar structure, comprise door bolt head (1), door bolt button (2) and guide strip (3), it is characterized in that: described door bolt button (2) is two and is symmetrically set among the inner chamber (10) of described door bolt head (1), the afterbody of each door bolt button (2) is hinged with described door bolt head (1) by bearing pin (4), the head of each door bolt button (2) has outward extending hook portion (21), the middle part of each door bolt button (2) has upwardly extending guide finger (5), accordingly, the last symmetry of described guide strip (3) has two and roughly is the guiding slotted eye (31) of L type band corner transition for guide finger (5) slippage within it, when guide finger (5) moves to the front end of guiding slotted eye (31), the hook portion (21) that described door bolt button (2) buckles door bolt around pivot pin (4) deflection exposes outside the sidepiece of door bolt head (1), also have one on the described guide strip (3) and run through groove (32), this runs through groove (32) and is positioned between two guiding slotted eyes (31), described bearing pin (4) runs through this and runs through groove (32), and described guide strip (3) inserts the inner chamber (10) of door bolt head from door bolt head (1) rear end.

2, inverted hook type johnny bar structure according to claim 1, it is characterized in that: described door bolt head (1) forms one by the steel plate bending and has the frame construction of roof (11), diapire (12), antetheca (13) and left and right sides sidewall (14,15), described roof (11), diapire (12), antetheca (13) and left and right sides sidewall (14,15) surround the inner chamber (10) of an open rearward end, are respectively equipped with a side opening (141,151) that can free in and out for the hook portion (21) of door bolt discount portion on the left and right sidewall of a described door bolt inner chamber (10) (14,15).

3, according to claim 1,2 or 3 described inverted hook type johnny bar structures, it is characterized in that: also be fixed with a lead (6) in the inner chamber (10) of described door bolt head, this lead (6) passes the described groove (32) that runs through.

4, according to claim 1,2 or 3 described inverted hook type johnny bar structures, it is characterized in that: described door bolt button (2) is superimposed and by rivet they are fixed together and form by several pieces cramps (2a).

5, inverted hook type johnny bar structure according to claim 2 is characterized in that: all there is the protuberance (13) that extends backward the roof (11) of described door bolt head (1) and the rear end of diapire (12), and have connecting hole (14) on this protuberance (13).