CN200943391Y - Anti-theft safe door - Google Patents

Abstract

An anti-theft safe door comprises a doorframe which is provided with a side latch hole, a door body, and a side latch head of which inner end is rotatablely inserted and limited at a side latch plate, and the middle of the lateral wall is provided with a prominent guide pin. A stop guide sleeve is fixed to the backside of the door body. The front end of the stop guide sleeve is provided with a screw guide groove which can fulfill the movement of the guide pin and drive the rotation of the side latch head, and the back end of the stop guide sleeve is provided with a stop straight flute. A male tab with evagination is positioned at the lateral of the side latch head front end. A side latch head sleeve, which is provided with a male tab groove, is inserted in the side latch hole. The male tab and the male tab groove mutually form an angle under the state of that the side latch head is inserted in the side latch hole, and the male tab and the male tab groove is parallel under the state of that the guide pin is within the stop straight flute. In case of forcibly prying the doorframe, the side latch head is only respectively shifted in opposite with the side latch hole, and meanwhile, the male tab of the side latch head mutually forms an angle with the male tab of the stop guide sleeve, and the male tab of the side latch head is arranged on the inner surface of the side latch head sleeve so as to make the side latch head uneasily pulling out from the side latch hole and to further enhance the safety of the security door.

Description

A kind of antitheft safe door

Technical field

The utility model relates to a kind of security door, relates in particular to the good security door of a kind of tamper-resistant function, and this security door can be applicable on various strongboxs, various strong-room and the home-use security door.

Background technology

Along with improving constantly of people's living standard, various security doors more and more apply among the daily life.Security door can be applicable to again on various strongboxs, various strong-room and the home-use security door, its structure of existing security door mainly comprises doorframe, be articulated in the door body on the doorframe and be arranged on every day and doorframe between bolt structure, the jam plate that has a kind of bolt structure to comprise again to be arranged on back side every day and with the side door door bolt of jam plate interlock, 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 security 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, like this as long as the lawless person only need pry open a side of doorframe a little, the bolt of door on the body just can be easy to deviate from the door bolt hole of doorframe, thereby created condition for the thief.

So be the performance that tightens security, strengthen the firm degree that mutually combines between doorframe and the door body, reach theftproof performance preferably, therefore, a kind of have on, the strongbox of following bolt and side door door bolt is invented, as the patent No. is that the Chinese utility model patent " a kind of safe door structure " of ZL03229270.8 (notification number is CN2613570Y) has disclosed the structure so a kind of, a kind of safe door structure, 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.Though the little performance that tightens security to a certain extent of this utility model, but also there be the defective the same with existing security door in it, promptly the bolt on the door body can be easy to deviate from the door bolt hole of doorframe, and only sidepiece, the upper and lower that needs the lawless person to prize doorframe successively gets final product.

Tool is understood, and does not have barrier structure between bolt on the existing various security doors and the door bolt hole on the doorframe, all exists bolt can be easy to the defective of deviating from the door bolt hole of doorframe.

In sum, existing safety door structure also can improve further.

Summary of the invention

Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and a kind of Anti-pry safety door of good anti-theft effect is provided, and it has simple and reasonable advantage.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of antitheft safe door, and door body, the afterbody that include doorframe, is hinged on doorframe (1) one side is connected with the side latch head of side latch board; Side latch board makes its energy spacing at the back side of door body along the position limiting structure that the door body back side move laterally by one, also be provided with on the door body and can drive the driving mechanism that side latch board is made lateral displacement, and doorframe is provided with the lateral crossbar opening that can supply side latch head insertion locking; It is also spacing on the front side wall of side latch board to it is characterized in that described side latch head inner end rotatably plugs, the middle part of side latch head sidewall has the guide pillar of an evagination, be fixed with the lateral confinement position guide pin bushing that can supply the side latch head activity to wear at the door body back side, lateral confinement position guide pin bushing front end has one can be for guide pillar slippage and the helical guide groove that forces side latch head to rotate, lateral confinement position rear end of conducting sleeve has the spacing straight trough that communicates with helical guide groove, the boss that has evagination at the sidepiece of side latch head front end, in lateral crossbar opening, be embedded with the side latch head cover that matches with side latch head, side latch head puts and has the boss groove that passes for boss, under the state in side latch head is plugged in lateral crossbar opening, boss and boss groove are mutually certain angle, be positioned at guide pillar under the state of spacing straight trough, boss is parallel with the boss groove.

Position limiting structure between the above-mentioned side latch board and the door body back side is: have on the side latch board rear end laterally and two side channel holes that are arranged in parallel, on the door body back side, be provided with a projection and and corresponding respectively two projections that match in described two side channel holes, these two projections are movable respectively to pass that the another side in the side channel hole carries out spacing with nut behind the corresponding side channel hole.Certainly also can adopt and have identity function and similar other existing structure, as in the both sides that are positioned at side latch board and the door body back side at back-end location place the retaining wall that raises up is set, side latch board just can be along retaining wall slippage up and down like this, and can only slippage arrive till the retaining wall place of rear end, thereby the plate of realizing fastening with a bolt vertically move along a body back side with following door bolt plate energy.

The driving mechanism that above-mentioned driving side latch board is made lateral displacement is: comprise that its rotation is arranged on a body back side also by the shift fork of key or its rotation of handle drives, the other end and the side latch board of this shift fork are hinged.Certainly also can adopt the structure that drives side latch board on the existing various security doors, as adopting the drives structure of rack-and-pinion.

In order to be combined in the Men Tisan face on the doorframe securely, and the difficulty that increase is prized, and then reach the safety of reinforced safety door, this security door also includes the head and tail portion of fastening with a bolt that afterbody is connected with fasten with a bolt plate and extended door body upper end and is connected with down the following door bolt head of fastening plate with a bolt or latch, and doorframe top is provided with the hole of fastening with a bolt that can keep supplying a door bolt insertion locking, and the doorframe bottom is provided with can be for fastening a following door bolt hole of inserting locking and extended body lower end down with a bolt or latch; The plate of fastening with a bolt makes it can do the spacing back side at the door body of position limiting structure that vertically moves along the door body back side by one, fastening plate down with a bolt or latch makes it can do the spacing back side at the door body of position limiting structure that vertically moves along the door body back side by one, the plate of fastening with a bolt links to each other with side latch board by link gear, under fasten plate with a bolt or latch and also link to each other with side latch board by a link gear, under side latch board drove with moving laterally, fasten with a bolt plate and following door bolt plate can vertically move along Men Tizuo is relative under the effect of link gear separately respectively simultaneously.

For make fasten with a bolt head and down the door bolt head can not be easily from the hole and deviating from the door bolt hole down of fastening with a bolt of doorframe, above-mentioned fasten with a bolt in front that end rotatably plugs and be spacing on the upper side wall of plate of fastening with a bolt, the fasten with a bolt middle part of a sidewall has the guide pillar of an evagination, be fixed with at the door body back side and can keep supplying the movable upper limit guide pin bushing that wears of door bolt head, upper limit guide pin bushing front end has one can and force a helical guide groove of rotation of fastening with a bolt for the guide pillar slippage, the upper limit rear end of conducting sleeve has the spacing straight trough that communicates with helical guide groove, the boss that has evagination at the sidepiece of a front end of fastening with a bolt, a headgear of fastening with a bolt that matches is embedded with in the hole of fastening with a bolt and fastens with a bolt, fasten with a bolt and have the boss groove that passes for boss on the headgear, be plugged under the state in the hole of fastening with a bolt at the head of fastening with a bolt, boss and boss groove are angled, be positioned at guide pillar under the state of spacing straight trough, boss is parallel with the boss groove; Described door bolt down end in front rotatably plugs and spacing door bolt the with a bolt or latch down on the lower wall of plate, the middle part of a following door bolt sidewall has the guide pillar of an evagination, the door body back side be fixed with can supply under the movable lower limit guide pin bushing that wears of door bolt head, lower limit guide pin bushing front end has one can be for guide pillar slippage and the helical guide groove that forces down the door bolt head to rotate, the lower limit rear end of conducting sleeve has the spacing straight trough that communicates with helical guide groove, the boss that has evagination at the sidepiece of fastening a front end down with a bolt or latch, fastening the following door bolt headgear that is embedded with and descends the door bolt head to match in the hole down with a bolt or latch, fasten with a bolt or latch down and have the boss groove that passes for boss on the headgear, under the state under the door bolt head is plugged in down in the door bolt hole, boss and boss groove are angled, be positioned at guide pillar under the state of spacing straight trough, boss is parallel with the boss groove.If force open the door frame so by force, at this moment, fasten with a bolt head and down the boss on the door bolt head will be blocked in the fasten with a bolt headgear and the preceding inner surface of door bolt headgear down, and then make fasten with a bolt head and down the door bolt head can not be easily from fasten with a bolt the hole and down the door bolt hole deviate from, further strengthened the safety of security door.

Above-mentioned position limiting structure of fastening with a bolt between the plate and the door body back side is: have on the plate of fastening with a bolt vertical setting on slotted eye, be provided with on the door body back side projection and and described on the projection that matches of slotted eye, this projection activity passes that the another side at last slotted eye carries out spacing with nut behind the slotted eye; Fastening the following slotted eye that has vertical setting on the plate down with a bolt or latch, the projection that a projection is set on the door body back side and matches with described following slotted eye, this projection activity is carried out spacing at the another side that descends slotted eye with nut after passing down slotted eye.Certainly also can adopt and have identity function and similar other existing structure, as the door body back side retaining wall that raises up is set at both sides that are positioned at fasten with a bolt plate and following door bolt plate and back-end location place, fastening with a bolt plate and following door bolt plate so just can be along retaining wall slippage up and down, and can only slippage arrive till the retaining wall place of rear end, thereby the plate of realizing fastening with a bolt vertically move along a body back side with following door bolt plate energy.

For strengthening side latch board, the plate of fastening with a bolt, fastening the stability of plate phase opposite house body motion with a bolt or latch down, above-mentioned last slotted eye and following slotted eye respectively have two respectively, described projection also is two, and for passing two projections in side channel hole, these two projections carry out spacing at following slotted eye another side with nut after passing each self-corresponding side channel hole, last slotted eye, following slotted eye respectively.Adopt this structure to also have an advantage to be exactly, only need two projections just can be simultaneously to side latch board, the plate of fastening with a bolt, down fasten with a bolt or latch plate phase opposite house body move carry out spacing.

Above-mentioned fasten with a bolt plate and down the link gear between door bolt plate and the side latch board be: fasten with a bolt plate and respectively have on the door bolt plate down one be obliquely installed on guiding slotted eye and guiding slotted eye down, the upper end of last guiding slotted eye tilts towards the side latch head direction, lead the down lower end of slotted eye tilts towards the side latch head direction, on the end face of side latch board, has the also movable promotion post that is plugged in the lead slotted eye and the slotted eye that leads down of a projection, fasten with a bolt head and down the door bolt head stretch out door when external, promote post and be positioned at guiding slotted eye top, be positioned at the bottom of guiding slotted eye down simultaneously, in the time of in fasten with a bolt a head and a following door bolt indentation door body, promote post and be positioned at guiding slotted eye bottom, be positioned at the top of guiding slotted eye down simultaneously.That this link gear has is simple and compact for structure, it is few and can make side latch board well, the plate of fastening with a bolt, fasten plate phase opposite house body motion as required simultaneously with a bolt or latch down to relate to parts.Certainly it also can adopt the existing various link gear that uses on the security door of fasten with a bolt head and following door bolt head that has, as adopting the link gear of utility model patent in the background technology.

In order to prevent to expose outside the door-plate back side owing to each parts, and situation about damaging easily, the above-mentioned door body back side is fixed with can be with described side latch board, lateral confinement position guide pin bushing, the plate of fastening with a bolt, upper limit guide pin bushing, fasten plate with a bolt or latch down, the lower limit guide pin bushing all is covered with the jam plate in it, and the corresponding position has and can keep supplying door bolt head, the hole that passes of door bolt head, side latch head down on the sidewall of jam plate.So also can increase attractive in appearance.

In order to simplify the structure of side latch board, and the area of side latch board, above-mentioned side latch board front end is fixed with a L-shaped installing plate, described side latch head has two, be separately positioned on the both sides of installing plate, have the cylindric connection platform of an evagination at the rear end face of side latch head, the rear portion side face that connects platform has a ring-type draw-in groove, after the connection platform activity of described side latch head on it wore the sidewall of installing plate, jump ring is stuck in the draw-in groove to carry out spacing to side latch head at the another side of sidewall.We can need be installed in two side latch head elder generation peaces on the junction plate like this, again junction plate is screwed in the side latch board front side edge, easy for installation, if two side latch head portions directly are fixed on side latch board, certainly will increase the area of side latch board so, and cause the unnecessary waste of material.In like manner, the cylindric connection platform that has an evagination at the rear end face of the head of fastening with a bolt, the rear portion side face that connects platform has a ring-type draw-in groove, after the described connection platform activity of head on it of fastening with a bolt wore the sidewall of the plate of fastening with a bolt, is stuck in the draw-in groove to carry out spacing to the head of fastening with a bolt with jump ring at the another side of sidewall; The cylindric connection platform that has an evagination at the rear end face of fastening head down with a bolt or latch, the rear portion side face that connects platform has a ring-type draw-in groove, after the connection platform activity of described down door bolt head on it wore the sidewall of door bolt plate down, jump ring is stuck in the draw-in groove to carry out spacing to door bolt head down at the another side of sidewall.

Compared with prior art, advantage of the present utility model is: pass through said structure, if force open the door frame by force, at this moment, side latch head is relative lateral crossbar opening translation respectively just, simultaneously because, boss groove on side latch head convex platform and the lateral confinement position guide pin bushing is mutually certain angle, and like this, the boss on the side latch head then is blocked in the inner surface of side latch head cover, and then side latch head can not be deviate from from lateral crossbar opening easily, so further strengthened the safety of security door.

Description of drawings

Fig. 1 is the perspective view (door opening state) of the utility model embodiment;

Fig. 2 is the partial sectional perspective view (state of closing the door) of the utility model embodiment;

Fig. 3 is the partial sectional view (door opening state) of door assembly among the utility model embodiment;

Fig. 4 is the partial sectional view (state of closing the door) of door assembly among the utility model embodiment;

Fig. 5 is the perspective view of each door bolt head among the utility model embodiment;

Fig. 6 is installed in the schematic perspective view of fastening with a bolt or latch separately on plate or the installing plate for each door bolt head among the utility model embodiment;

Fig. 7 is the perspective view of each spacing guide pin bushing among the utility model embodiment;

Fig. 8 is the perspective view of side latch board among the utility model embodiment;

The specific embodiment

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

As described in Fig. 1～4, a kind of antitheft safe door, side latch head 3, the afterbody that comprise casing 17, be hinged on the door body 2 of doorframe 1 one sides, two afterbodys is connected with side latch board 31 with doorframe 1 be connected with the plate 71 of fastening with a bolt fasten with a bolt 7, afterbody is connected with down the following door bolt 8 of fastening plate 81 with a bolt or latch; Doorframe 1 sidepiece, the upper and lower is respectively arranged with and can supplies side latch head 3, fasten with a bolt 7 and door bolt 8 lateral crossbar opening 11 that insert down, fasten with a bolt hole 12 and door bolt hole 13 down, by each door bolt 3,7,8 and each the door bolt hole 11,12,13 inserting effect and then door body 2 is locked in the doorframe 1, door body 2 back sides are fixed with can be with described side latch board 31, lateral confinement position guide pin bushing 4, the plate 71 of fastening with a bolt, upper limit guide pin bushing 9, under fasten plate 81 with a bolt or latch, lower limit guide pin bushing 6 all is covered with the jam plate 15 in it, the corresponding position has and can keep supplying door bolt 7 on the sidewall of jam plate 15, following door bolt 8, the hole that side latch head 3 passes also is provided with on door body 2 and can drives the driving mechanism that side latch board 3 is made lateral displacement.

Shown in Fig. 3,4,8, on side latch board 31 rear ends, have two side channel holes 311 horizontal and that be arranged in parallel, on door body 2 back sides, be welded with and corresponding respectively two projections 21 that match in described two side channel holes 311, movable respectively corresponding side channel hole 311 another sides of back in side channel hole 311 that pass of these two projections 21 carry out spacing with nut, at this moment, side latch board 31 can move laterally along door body 2 back sides.

Shown in Fig. 3,4, the structure that side latch head 3 is connected on the side latch board 31 is: be fixed with a L-shaped installing plate 312 at side latch board 31 front ends, two side latch head 3 inner ends rotatably plug and spacing front side wall both sides at installing plate 312, its concrete structure is: the cylindric connection platform 34 that has an evagination at the rear end face of side latch head 3, the rear portion side face that connects platform 34 has a ring-type draw-in groove 35, after described side latch head 3 connection platform 34 activities on it wore the sidewall of installing plate 312, jump ring 20 is stuck in the draw-in groove 35 to carry out spacing to side latch head 3 at the another side of sidewall.

As shown in Figure 6,7 structure that are connected on the plate 71 of fastening with a bolt of fastening with a bolt are: the cylindric connection platform 74 that has an evagination at 7 the rear end face of fastening with a bolt, the rear portion side face that connects platform 74 has a ring-type draw-in groove 75, after described 7 connection platform 74 activities on it of fastening with a bolt wore the sidewall of the plate 71 of fastening with a bolt, the another side of sidewall with jump ring 16 be stuck in the draw-in groove 75 with to fasten with a bolt 7 carry out spacing;

As shown in Figure 6, following door bolt 8 structure that are connected on the plate 81 of fastening with a bolt are: the cylindric connection platform 84 that has an evagination at the rear end face of door bolt down 8, the rear portion side face that connects platform 84 has a ring-type draw-in groove 85, after described down door bolt 8 connection platform 84 activities on it wore the sidewall of door bolt plate 81 down, the another side of sidewall with jump ring 16 be stuck in draw-in groove 85 in to fasten with a bolt or latch down 3 carry out spacing.

Shown in Fig. 1～4, the guide pillar 32 that has an evagination at the middle part of side latch head 3 sidewalls, be fixed with the lateral confinement position guide pin bushing 4 that can supply side latch head 3 activities to wear in jam plate 15 corresponding positions, lateral confinement position guide pin bushing 4 front ends are fixed on earlier on the fixed head 18, again fixed head 18 is fixed on the jam plate 15, lateral confinement position guide pin bushing 4 front ends have one can be for guide pillar 32 slippages and the helical guide groove 41 that forces side latch head 3 to rotate, this helical guide groove 41 is opened on the annular sidewall of lateral confinement position guide pin bushing 4 front ends and along the annular sidewall extension that recedes, guide pin bushing 4 rear ends, lateral confinement position have the spacing straight trough 42 that communicates with helical guide groove 41, the direction of spacing straight trough 42 is consistent with side latch head 3 moving directions, the boss 33 that has two evaginations and symmetric arrangement at the sidepiece of side latch head 3 front ends, as shown in Figure 7, in lateral crossbar opening 11, be embedded with the side latch head cover 5 that matches with side latch head 3, have two boss grooves 51 that supply boss 33 to pass on the side latch head cover 5, wherein the internal diameter size of lateral crossbar opening 11 should satisfy side latch head 3 and the boss 33 on it enters simultaneously, and can in lateral crossbar opening 12, rotate, confession side latch head 3 passes and the internal diameter of side latch head cover 5 only should satisfy, but the boss 33 on it is passed, boss 33 on it can only pass from the boss groove 51 that side latch head overlaps on 5, under the state in side latch head 3 is plugged in lateral crossbar opening 11, boss 33 and boss groove 51 are angled, boss 33 can not pass from boss groove 51 like this, under guide pillar 32 is positioned at state with the spacing straight trough 42 of helical guide groove 41 connecting places, boss 33 is just in time parallel with boss groove 51, and boss 33 can pass from boss groove 51.

As Fig. 3,4, shown in 8, have on the plate 71 of fastening with a bolt two vertically be provided with on slotted eye 711, going up slotted eye 711 for these two is positioned on the same axis direction of the plate 71 of fastening with a bolt, fastening the following slotted eyes 811 that have two vertical settings on the plate 81 down with a bolt or latch, these two following slotted eyes 811 are positioned on the same axis direction of fastening plate 71 down with a bolt or latch, the plate 71 of wherein fastening with a bolt is positioned at side latch board 31 tops, following door bolt plate 81 then just in time is positioned at the positive top of the plate 71 of fastening with a bolt, and slotted eye 811 is positioned at slotted eye 711 tops down, projection 21 on described two door body 2 back sides passes each self-corresponding side channel hole 311 respectively, last slotted eye 711, behind the following slotted eye 811, carry out spacing at following slotted eye 811 another sides with nut, the plate 71 of fastening with a bolt links to each other with side latch board 31 by link gear respectively with following door bolt plate 81, under side latch board 31 drove with moving laterally, fasten with a bolt plate 71 and following door bolt plate 81 can be done relative vertically moving along door body 2 respectively simultaneously under the effect of link gear separately.

Shown in Fig. 3,4,7 inner end of fastening with a bolt rotatably plug and spacing on the upper side wall of plate 71 of fastening with a bolt, following door bolt 8 inner end rotatably plug and spacing door bolt the with a bolt or latch down on the lower wall of plate 81, wherein fasten with a bolt 7 and down door bolt 8 be connected fasten with a bolt plate 71 and down the structure on the door bolt plate 81 can be connected structure on the installing plate 312 with reference to side latch head 31.

Shown in Fig. 3～6, the guide pillar 72 that has an evagination at a middle part of 7 sidewalls of fastening with a bolt, on door body 2 back sides, be fixed with and keep supplying the upper limit guide pin bushing 9 that door bolt 7 activity wear, upper limit guide pin bushing 9 front ends are fixed on earlier on the fixed head 18, again fixed head 18 one sides are fixed on the jam plate 15, another side is weldingly fixed on a body 2 back sides, upper limit guide pin bushing 9 front ends have one can and force a helical guide groove 91 of 7 rotations of fastening with a bolt for guide pillar 72 slippages, this helical guide groove 91 is opened on the annular sidewall of lateral confinement position guide pin bushing 9 front ends and along the annular sidewall extension that recedes, guide pin bushing 9 rear ends, lateral confinement position have the spacing straight trough 92 that communicates with helical guide groove 91, the direction of spacing straight trough 92 is consistent with side latch head 3 moving directions, the boss 73 that has two evaginations and symmetric arrangement at a sidepiece of 7 front ends of fastening with a bolt, 7 headgear 10 of fastening with a bolt that match is embedded with in the hole 12 of fastening with a bolt and fastens with a bolt, fasten with a bolt and have the boss groove 101 that passes for boss 73 on the headgear 10, the internal diameter size in hole 12 of wherein fastening with a bolt should satisfy fasten with a bolt 7 and the boss 73 on it enter simultaneously, and can in the hole 12 of fastening with a bolt, rotate, and the internal diameter of the headgear 10 of fastening with a bolt should satisfy and only keeps supplying door bolt 7 and pass, boss 73 on it is passed, boss 73 on it can only pass from the boss groove 101 on the headgear 10 of fastening with a bolt, under 7 state that are plugged in the hole 12 of fastening with a bolt of fastening with a bolt, boss 73 and boss groove 101 are angled, boss 73 can not pass from boss groove 101, under guide pillar 72 is positioned at state with the spacing straight trough 9 of helical guide groove 91 connecting places, boss 73 is just in time parallel with boss groove 101, and boss 73 can pass from boss groove 101;

Shown in Fig. 3～6, the guide pillar 82 that has an evagination at the middle part of fastening 8 sidewall down with a bolt or latch, be fixed with on the jam plate 15 can supply under the lower limit guide pin bushing 6 that wears of door bolt 8 activity, lower limit guide pin bushing 6 front ends are fixed on earlier on the fixed head 18, again fixed head 18 one sides are fixed on the jam plate 15, another side is weldingly fixed on a body 2 back sides, lower limit guide pin bushing 6 front ends have one can and force down door bolt 8 helical guide groove 61 that rotate for guide pillar 82 slippages, this helical guide groove 61 is opened on the annular sidewall of lower limit guide pin bushing 6 front ends and along the annular sidewall extension that recedes, guide pin bushing 6 rear ends, lateral confinement position have the spacing straight trough 62 that communicates with helical guide groove 61, the direction of spacing straight trough 62 is with door bolt 8 moving direction are consistent down, the boss 83 that has two evaginations and symmetric arrangement at the following sidepiece of door bolt 8 front end, be embedded with and descend door bolt 8 a following door bolt headgear 14 that match in the hole 13 fastening with a bolt or latch down, fasten with a bolt or latch down and have the boss groove 141 that passes for boss on the headgear 14, wherein down the internal diameter size in door bolt hole 13 should satisfy down door bolt 8 and the boss 83 on it enters simultaneously, and can under fasten with a bolt or latch in the hole 13 and to rotate, and down the internal diameter of door bolt headgear 14 only should satisfy for door bolt down 8 and passes, boss 83 on it is passed, boss 83 on it can only pass from the boss groove 141 of fastening with a bolt or latch down on the headgear 14, under descending door bolt 8 state that are plugged in the following door bolt hole 13, boss 83 and boss groove 141 are angled, boss 83 can not pass from boss groove 141, under guide pillar 82 is positioned at state with the spacing straight trough 62 of helical guide groove 61 connecting places, boss 83 is just in time parallel with boss groove 141, and boss 83 can pass from boss groove 141.

As Fig. 3, shown in 4, described fasten with a bolt plate 71 and down door bolt plate 81 with link gear between the side latch board 31 be: fasten with a bolt plate 71 and respectively have on the door bolt plate 81 down one be obliquely installed on the guiding slotted eye 712 and the slotted eye 812 that leads down, the upper end of last guiding slotted eye 712 tilts towards side latch head 3 directions, lead the down lower end of slotted eye 812 tilts towards side latch head 3 directions, it is just in time opposite with the incline direction of the slotted eye 812 that leads down promptly to go up guiding slotted eye 712, on the end face of side latch board 31, has the movable promotion post 312 that is plugged in the lead slotted eye 712 and the slotted eye 812 that leads down of a projection and while, fastening with a bolt 7 and when door bolt 8 stretches out outside the body 2 down, promote post 312 and be positioned at guiding slotted eye 712 tops, be positioned at the bottom of guiding slotted eye 812 down simultaneously, fastening with a bolt 7 and down in the door bolt 8 indentation door body 2 time, promote post 312 and be positioned at guiding slotted eye 712 bottoms, be positioned at the top of guiding slotted eye 812 down simultaneously.

As Fig. 3; shown in 4; the driving mechanism that described driving side latch board 31 is made lateral displacement is: comprise and rotate the shift fork 20 that is arranged on a body 2 back sides and drives its rotation by handle 19; end at shift fork 20 has a square hole; described handle 19 passes to be located in this square hole behind the body 2 again and fixes with nut; the other end at shift fork 20 has the finger that raises up; have one and the jack that matches of finger in a side of side latch board 31; described finger activity is plugged in the jack; therefore turning handle 19 just can drive shift fork 20 rotations; and then drive side latch board 31 lateral displacements; certainly also be provided with on the door body 2 and can pin side latch board 31; and the lock of preventing side latch board 31 phase opposite house bodies to move; this lock can be a mechanical lock; it also can be electronic lock; and do not show in the lock construction content graph that not to be the present invention will protect, just do not launch to set forth at this.

Laterally be meant the direction that moves with side latch head 31 described in the present embodiment, its side with door body 2 is vertical; Described vertically being meant fastens with a bolt 7 and door bolt 8 direction that move down, and itself and body 2 side are parallel.

Certainly this antitheft safe door also can be applicable on the various security doors.

The operating principle of the utility model embodiment and process are such:

As Fig. 1, shown in 3, when opening the door, unblank earlier, make the restriction of side latch board 31 release locks, can be along the 2 horizontal slippages of door body, to the direction turning handle 19 that opens the door, handle 19 drives shift fork 20 rotations, and the shift fork 20 final side latch boards 31 that drive laterally move backward, the side latch head 3 that links to each other with side latch board 31 also retreats thereupon, helical guide groove 41 slippages of this moment on lateral confinement position, side latch head 3 upper guide posts, 32 1 edge guide pin bushing 4, under guide pillar 32 and helical guide groove 41 gear effects, just opposite side door bolt plate 31 rotates to an angle side latch head 3 on one side laterally retreating on one side, and the guide pillar 32 on side latch head 3 is when just in time slippage is in the spacing straight trough 42, when side latch head 3 retreats again then no longer relatively side latch board 31 rotate, at this moment, boss 33 on the side latch head 3 is just in time parallel with the boss groove 51 on the side latch head cover 5, and boss 33 can pass from boss groove 51, and side latch head 3 can be detached from the lateral crossbar opening 11 of doorframe 1; When side latch board 31 laterally retreats, the promotion post on the side latch board 31 312 with on guiding slotted eye 711 and down under 811 effects of guiding slotted eye, it is vertically descending to drive the plate 71 of fastening with a bolt simultaneously, the plate 81 of fastening with a bolt is vertically up, identical with side latch head 3 operating principles, 7 plates 71 of fastening with a bolt relatively descending time of fastening with a bolt rotate to an angle, when following door bolt 8 is up relatively down door bolt plate 81 rotate to an angle, until fastening with a bolt 7 and the guide pillar 72 on the door bolt 8 down, 82 just in time slippage to corresponding spacing straight trough 92, in the time of in 62,7 then no longer relative fasten with a bolt a plate 71 and door bolt plate 81 rotations down when retreating again of fastening with a bolt with door bolt down 8, at this moment, a boss 73 of fastening with a bolt on 7 is just in time parallel with the boss groove 101 on the headgear 10 of fastening with a bolt, boss 83 on the following door bolt 8 is just in time parallel with the boss groove 141 of fastening with a bolt or latch on the headgear 14 down, just make fasten with a bolt 7 and down door bolt 8 can from doorframe 1 fasten with a bolt hole 12 and down door bolt hole 13 detach, door can be opened;

Shown in Fig. 2,4, course of action is opposite at closing time, but principle is the same;

If force open the door frame by force, at this moment, side latch head 3, fasten with a bolt 7 with door bolt down 8 relative lateral crossbar opening 11 respectively just, fasten with a bolt hole 12 and door bolt hole 13 translations down, simultaneously because, door bolt 3 separately, 7,8 convex platforms 33,73,83 and fasten headgear 5 separately with a bolt or latch, 10, boss groove 51 on 14,101,141 are mutually certain angle, like this, boss 33 separately, 73,83 are blocked in and fasten headgear 5 separately with a bolt or latch, 10,14 inner surface, and then make separately door bolt 3,7,8 can not be from fastening hole 11 with a bolt or latch separately, 12,13 deviate from, frame 1 is prized door bolt 3 again even if force open the door earlier, 7,8, because the increase in doorframe 1 and door body 2 gaps, force door bolt 3 exactly, 7,8 retreat and rotation relatively, but the angle of its rotation does not reach the requirement of setting, door bolt 3 separately then, 7,8 convex platforms 33,73,83 still and separately fasten headgear 5 with a bolt or latch, 10, boss groove 51 on 14,101,141 are mutually certain angle, therefore, still can not will fasten 3 separately with a bolt or latch, 7,8 from fastening hole 11 separately with a bolt or latch, 12,13 detach.

Claims (10)

1, a kind of antitheft safe door, door body (2), the afterbody that include doorframe (1), is hinged on doorframe (1) one side is connected with the side latch head (3) of side latch board (31); Side latch board (31) is by the spacing back side in door body (2) of position limiting structure that it can be moved laterally along door body (2) back side, also be provided with on the door body (2) and can drive the driving mechanism that side latch board (31) is made lateral displacement, and doorframe (1) is provided with the lateral crossbar opening (11) that can supply side latch head (3) to go into to lock; It is also spacing on the front side wall of side latch board (31) to it is characterized in that described side latch head (3) inner end rotatably plugs, the middle part of side latch head (3) sidewall has the guide pillar (32) of an evagination, be fixed with the lateral confinement position guide pin bushing (4) that can supply side latch head (3) activity to wear at door body (2) back side, lateral confinement position guide pin bushing (4) front end has a helical guide groove (41) that can supply guide pillar (32) slippage and force side latch head (3) to rotate, the spacing straight trough (42) that lateral confinement position guide pin bushing (4) rear end has and helical guide groove (41) communicates, the boss (33) that has evagination at the sidepiece of side latch head (3) front end, in lateral crossbar opening (11), be embedded with and side latch head cover (5) that side latch head (3) matches, have the boss groove (51) that can supply boss (33) to pass on the side latch head cover (5), under the state in side latch head (3) is plugged in lateral crossbar opening (11), boss (33) and boss groove (51) are mutually certain angle, be positioned under the state of spacing straight trough (42) at guide pillar (32), boss (33) is parallel with boss groove (51).

2, antitheft safe door according to claim 1, it is characterized in that the position limiting structure between the described side latch board (31) and door body (2) back side is: on side latch board (31) rear end, have laterally and two the side channel holes (311) that are arranged in parallel, on door body (2) back side, be provided with a projection and and corresponding respectively two projections (21) that match in described two side channel holes (311), these two projections (21) activity respectively pass the another side of back, corresponding side channel hole (311) in side channel hole (311) and carry out spacing with nut.

3, antitheft safe door according to claim 1, it is characterized in that described driving side latch board (31) makes the driving mechanism of lateral displacement and be: comprise that its rotation is arranged on a body (2) back side and drives the shift fork (20) of its rotation by key or handle (19), the other end of this shift fork (20) and side latch board (31) are hinged.

4, according to claim 1 or 2 or 3 described antitheft safe doors, it is characterized in that: comprise that also afterbody is connected with fastening with a bolt (7) of plate of fastening with a bolt (71) and extended door body (2) upper end and afterbody is connected with down the following door bolt head (8) of fastening plate (81) and extended door body (2) lower end with a bolt or latch, and doorframe (1) top is provided with the hole of fastening with a bolt (12) that can keep supplying door bolt (7) insertion locking, and doorframe (1) bottom is provided with can be for fastening the following door bolt hole (13) that (8) insert locking down with a bolt or latch; The plate (71) of fastening with a bolt makes it can do the spacing back side in door body (2) of position limiting structure that vertically moves along door body (2) back side by one, fastening plate (81) down with a bolt or latch makes its energy spacing at door body (2) dorsad along the position limiting structure that door body (2) back side work vertically moves by one, the plate (71) of fastening with a bolt links to each other with side latch board (31) by link gear, under fasten plate (81) with a bolt or latch and also link to each other with side latch board (31) by a link gear, under side latch board (31) drove with moving laterally, the plate of fastening with a bolt (71) and following door bolt plate (81) can be done relative vertically moving along a door body (2) respectively simultaneously under the effect of link gear separately.

5, antitheft safe door according to claim 4, it is characterized in that described head (7) inner end of fastening with a bolt rotatably plugs also spacing on the upper side wall of the plate of fastening with a bolt (71), the fasten with a bolt middle part of head (7) sidewall has the guide pillar (72) of an evagination, be fixed with at door body (2) back side and can keep supplying the upper limit guide pin bushing (9) that (7) activity of door bolt head wears, upper limit guide pin bushing (9) front end has a helical guide groove (91) that can supply guide pillar (72) slippage and force the head (7) of fastening with a bolt to rotate, the spacing straight trough (92) that upper limit guide pin bushing (9) rear end has and helical guide groove (91) communicates, the boss (73) that has evagination at the sidepiece of head (7) front end of fastening with a bolt, the headgear of fastening with a bolt (10) that matches of head (7) is embedded with in the hole of fastening with a bolt (12) and fastens with a bolt, fasten with a bolt and have the boss groove (101) that passes for boss on the headgear (10), be plugged under the state in the hole of fastening with a bolt (12) at the head (7) of fastening with a bolt, boss (73) and boss groove (101) are angled, be positioned under the state of spacing straight trough (92) at guide pillar (72), boss (73) is parallel with boss groove (101); The described head of door bolt down (8) inner end rotatably plugs and spacing door bolt the with a bolt or latch down on the lower wall of plate (81), the middle part of following door bolt head (8) sidewall has the guide pillar (82) of an evagination, being fixed with at door body (2) back side can be for fastening the lower limit guide pin bushing (6) that head (8) activity wears down with a bolt or latch, lower limit guide pin bushing (6) front end has a helical guide groove (61) that can supply guide pillar (82) slippage and force down door bolt head (8) to rotate, the spacing straight trough (62) that lower limit guide pin bushing (6) rear end has and helical guide groove (61) communicates, the boss (83) that has evagination at the sidepiece of fastening head (8) front end down with a bolt or latch, the following door bolt headgear (14) that in fastening hole (13) down with a bolt or latch, is embedded with and descends door bolt head (8) to match, fasten with a bolt or latch down and have the boss groove (141) that passes for boss (83) on the headgear (14), under the state under door bolt head (8) is plugged in down in the door bolt hole (13), boss (83) and boss groove (141) are angled, be positioned under the state of spacing straight trough (62) at guide pillar (82), boss (83) is parallel with boss groove (141).

6, antitheft safe door according to claim 4, it is characterized in that described position limiting structure of fastening with a bolt between the plate and the door body back side is: the last slotted eye (711) that has vertical setting on the plate of fastening with a bolt (71), the projection (21) that one projection is set on door body (2) back side and matches with described upward slotted eye (711), this projection (21) activity pass slotted eye (711) back and carry out spacing at the another side of last slotted eye (711) with nut; The position limiting structure of fastening with a bolt or latch down between the plate (81) and door body (2) back side is: fastening the following slotted eye (811) that has vertical setting on the plate (81) down with a bolt or latch, the projection (21) that one projection is set on door body (2) back side and matches with described slotted eye (811) down, this projection (21) activity pass down slotted eye (811) back and carry out spacing at the another side of following slotted eye (811) with nut.

7, antitheft safe door according to claim 6, it is characterized in that: going up slotted eye (711) and following slotted eye (811) respectively has two respectively, described projection (21) also is two, and for passing two projections (21) in side channel hole (1), these two projections (21) carry out spacing at following slotted eye (811) another side with nut after passing each self-corresponding side channel hole (311), last slotted eye (711), following slotted eye (811) respectively.

8, antitheft safe door according to claim 4, it is characterized in that described plate of fastening with a bolt (71) and the link gear of fastening with a bolt or latch between plate (81) and the side latch board (31) down are: on plate of fastening with a bolt (71) and following door bolt plate (81), respectively have a upward guiding slotted eye (712) that is obliquely installed and the following slotted eye (812) that leads, the upper end of last guiding slotted eye (712) tilts towards side latch head (3) direction, lead the down lower end of slotted eye (812) tilts towards side latch head (3) direction, on the end face of side latch board (31), have a projection and activity and be plugged in promotion post (312) in guiding slotted eye (712) and the following slotted eye (812) that leads, when fasten with a bolt head (7) and following door bolt head (8) stretch out outside the body (2), promote post (312) and be positioned at guiding slotted eye (712) top, be positioned at the bottom of guiding slotted eye (812) down simultaneously, in the time of in fasten with a bolt head (7) and following door bolt head (8) indentation door body (2), promote post (312) and be positioned at guiding slotted eye (712) bottom, be positioned at the top of guiding slotted eye (812) down simultaneously.

9, antitheft safe door according to claim 5, it is characterized in that described door body (2) back side is fixed with can be with described side latch board (31), lateral confinement position guide pin bushing (4), the plate of fastening with a bolt (71), upper limit guide pin bushing (9), fasten plate (81) with a bolt or latch down, lower limit guide pin bushing (6) all is covered with the jam plate (15) in it, and the corresponding position has and can keep supplying door bolt head (7), the hole that passes of door bolt head (8), side latch head (3) down on the sidewall of jam plate (15).

10, antitheft safe door according to claim 1, it is characterized in that described side latch board (31) front end is fixed with a L-shaped installing plate (312), described side latch head (3) has two, be separately positioned on the both sides of installing plate door (312), the cylindric connection platform (34) that has an evagination at the rear end face of side latch head (3), the rear portion side face that connects platform (34) has a ring-type draw-in groove (35), after connection platform (34) activity of described side latch head (3) on it wore the sidewall of installing plate (312), be stuck in the draw-in groove (35) to carry out spacing with jump ring (16) the head (3) of fastening with a bolt at the another side of sidewall; The cylindric connection platform (74) that has an evagination at the rear end face of the head (7) of fastening with a bolt, the rear portion side face that connects platform (74) has a ring-type draw-in groove (75), after described connection platform (74) activity of head (7) on it of fastening with a bolt wore the sidewall of the plate of fastening with a bolt (71), be stuck in the draw-in groove (75) to carry out spacing with jump ring (16) fasten with a bolt (7) at the another side of sidewall; The cylindric connection platform (84) that has an evagination at the rear end face of fastening head (8) down with a bolt or latch, the rear portion side face that connects platform (84) has a ring-type draw-in groove (85), the connection platform of described down door bolt head (8) on it (after (84) activity wore the sidewall of door bolt plate (81) down, is stuck in draw-in groove (85) in jump ring (16) to carry out spacing to door bolt (3) down at the another side of sidewall.

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