CN202645185U - Safe case door bolt mechanism having self-locking function - Google Patents

Abstract

The utility model discloses a safe case door bolt mechanism having a self-locking function. The mechanism comprises a main plate assembly, a handle assembly, a lock assembly, a door bolt opening assembly, a door bolt assembly and a door bolt cover plate, wherein the handle assembly, the door bolt opening assembly and the door bolt assembly are connected in a linkage mode, the lock assembly comprises a lock body and a lock tongue mechanism which are fixed on the main plate assembly, the main plate assembly comprises a main plate, the door bolt opening assembly comprises a curve groove drive disc, and the door bolt assembly comprises a horizontal door bolt assembly, the horizontal door bolt assembly comprises a horizontal door bolt drive plate and a level door pin assembly which is connected with the horizontal door bolt drive plate in the linkage mode, the main plate, the curve slot drive disc, the horizontal door bolt drive plate and the door bolt cover plate are stacked sequentially, and the door bolt cover plate and the main plate are fastened into a whole through a fastening connector. according to the safe case door bolt mechanism having the self-locking function, the curve slot drive disc is used for transmitting power, self-locking of the curve slot drive disc and the door bolt assembly can be achieved when the door bolt mechanism is closed, therefore, by the aid of the safe case door bolt mechanism having the self-locking function, the abnormal opening phenomenon of a case door, which is caused by the fact that the door bolt assembly suffers the axial attack, can be effectively avoided, the safety of the safe case door is improved further, and generality and economy are improved at the same time.

Description

Safety box door latch mechanism with auto-lock function

Technical field

The utility model relates to a kind of safety box door latch mechanism.

Background technology

Traditional safety box door latch mechanism suffers axially to attack when improper cabinet door occuring opening for preventing the horizontal door bolt assemblies, main adopt single open outline actuated by cams self-locking or triggered relocking or set up the lockable mechanism of interlock in door assembly by attacking, the security reliability versatility is poor and the high economy of manufacturing cost is bad.

The utility model content

The utility model is for the deficiencies in the prior art, a kind of safety box door latch mechanism with auto-lock function is provided, it adopts the curved groove driving-disc to carry out transmission of power, when door bolt mechanism is closed, this curved groove driving-disc can with the resistant door latch assembly self-locking, therefore, the utility model can prevent that resistant door latch assembly from suffering axially attack and improper cabinet door unlatching phenomenon occuring, the safety that further improves safe door simultaneously effectively; Improve simultaneously versatility and economy.

For realizing above technical purpose, the utility model will be taked following technical scheme:

A kind of safety box door latch mechanism with auto-lock function, comprise mainboard assembly, handle assembly, lock set, bolt opening assembly, resistant door latch assembly and bolt cover plate, handle assembly, bolt opening assembly and resistant door latch assembly are connected, lock set comprises lock body and the spring bolt mechanism that is fixed on the mainboard assembly, mainboard assembly comprises mainboard, the bolt opening assembly comprises the curved groove driving-disc, resistant door latch assembly comprises the horizontal door bolt assemblies, and this horizontal door bolt assemblies comprises horizontal bolt driver plate and the horizontal door pin assemblies that is connected with horizontal bolt driver plate; Wherein: mainboard, curved groove driving-disc, horizontal bolt driver plate and bolt cover plate stack successively, and the bolt cover plate tightens up by fastening connection piece and mainboard and is integral; Offer on the curved groove driving-disc for driving also the first arc-shaped limit driver slot of bound level bolt driver plate horizontal throw, and the curved groove driving-disc is connected by the first drive pin and horizontal bolt plate, the first drive pin one end and horizontal bolt plate are fixed, and the other end places the first arc-shaped limit driver slot; Horizontal bolt driver plate is offered the central horizontal gathering sill corresponding to the center of rotation through hole of offering on the curved groove driving-disc, and in central horizontal gathering sill both sides coaxial left horizontal guide slot and the right horizontal guide slot offered, mainboard is installed respectively left horizontally-guided post and right horizontally-guided post corresponding to left horizontal guide slot and right horizontal guide slot, and left horizontally-guided post, right horizontally-guided post pass respectively left horizontal guide slot accordingly, right horizontal guide slot is placed; The center of the first drive pin, curved groove driving-disc, left horizontally-guided post and right horizontally-guided post is in same straight line when door bolt mechanism is closed; The axis of rotation of handle assembly passes behind bolt cover plate, the central horizontal gathering sill coaxial connection of center of rotation through hole with the curved groove driving-disc successively; Described spring bolt mechanism comprises circular block, the clamping block that dead bolt body and order are connected with the dead bolt body, mainboard, horizontal bolt driver plate and curved groove driving-disc are offered locked groove corresponding to spring bolt mechanism, spring bolt mechanism places in the locked groove, and along with the action of dead bolt body, circular block, clamping block and locked groove locking/release.

Described resistant door latch assembly also comprises the vertical gate bolt assemblies, this vertical gate bolt assemblies comprises and is arranged on symmetrically mainboard up and down upper resistant door latch assembly and the lower resistant door latch assembly of both sides, and upper resistant door latch assembly and lower resistant door latch assembly arrange about the center of rotation mirror symmetry of curved groove driving-disc, include vertical bolt driver plate; Offer on the curved groove driving-disc for the second arc-shaped limit driver slot that drives and retrain vertical bolt driver plate vertical stroke; And the curved groove driving-disc is connected with vertical bolt driver plate by the second drive pin; The second drive pin one end is fixed with vertical bolt plate, and the other end places the second arc-shaped limit driver slot; Vertical bolt driver plate is located by connecting by vertically-guided device and mainboard, this vertically-guided device comprises that is a vertically-guided post of vertically arranging, vertical bolt driver plate is all offered a vertically-guided groove corresponding to each root vertically-guided post, described vertically-guided post one end and mainboard are fixed, and the other end then passes the vertically-guided groove and places; The second drive pin, curved groove driving-disc, vertically-guided post three's center is in same straight line when door bolt mechanism is closed.

The end that described horizontal bolt driver plate is adjacent with vertical bolt driver plate is offered respectively the horizontal bolt self-locking grooves of mutual self-locking, vertical bolt self-locking grooves accordingly; Horizontal bolt driver plate and vertical bolt driver plate when door bolt mechanism is closed by horizontal bolt self-locking grooves, the mutual self-locking of vertical bolt self-locking grooves.

Described mainboard places tempered glass board component top, and this tempered glass board component comprises armorplate glass, and described armorplate glass tightens up by fastening connection piece and mainboard and is integral; Described horizontal bolt driver plate is landscape configuration the first relocking assembly and the second relocking assembly respectively, and horizontal bolt driver plate arranges horizontal bolt relocking keyed end corresponding to the first relocking assembly, and corresponding to the second relocking assembly horizontal bolt relocking groove is set; Described the first relocking assembly comprises double lock dog and is connected between the double lock dog, is the first relocking Flexible Connector of extended state, each relocking piece all by the 3rd reference column location and installation on mainboard, one end and the relocking piece of the 3rd reference column are fixed, and the other end is fixed with armorplate glass after then passing the horizontal bolt plate relocking gathering sill of offering on the mainboard; Described horizontal bolt relocking keyed end places between the double lock dog; Described the second relocking assembly comprises the second relocking mounting bracket, the second relocking pin and the second relocking elastic component; Described the second relocking mounting bracket is fixedly mounted on the bolt cover plate, described the second relocking pin is comprised of relocking locking section and shank location and installation section, and the cylindrical of relocking locking section is greater than shank location and installation section, simultaneously be installed with the second relocking Flexible Connector between the end of relocking locking section and the second relocking mounting bracket, and that the end of shank location and installation section is passed sequentially behind horizontal bolt driver plate, the mainboard is inconsistent with armorplate glass.

The plate enclosed cavity is offered in the end of the relocking locking section of described the second relocking pin, and the opening end of this semiclosed cavity arranges towards the second relocking mounting bracket, and the blind end of semiclosed cavity is positive taper setting; The second relocking Flexible Connector places in the semiclosed cavity, and an end of the second relocking Flexible Connector and the second relocking mounting bracket fix, and the other end then is bearing in the large end of the positive taper blind end of semiclosed cavity.

Described mainboard assembly comprises that also one end and the mainboard of this lock body installing plate are fixed for the lock body installing plate that lock body is installed, and the other end then is suspended in the top of armorplate glass, and suspending of lock body installing plate is connected by screw between end and the armorplate glass.

Described vertical bolt driver plate vertically disposes secondary relocking mechanism, and this secondary relocking mechanism comprises secondary relocking pin and secondary relocking guide holder; Secondary relocking pin comprises secondary relocking shank locking section and secondary relocking shank location and installation section, and the external diameter of secondary relocking shank locking section is greater than the external diameter of secondary relocking shank location and installation section; Secondary relocking guide holder is fixed by guiding junction plate and mainboard, and secondary relocking guide holder comprises secondary relocking gathering sill, the bottom land of secondary relocking gathering sill is sequentially passed in the end of secondary relocking shank location and installation section, lock with the tempered glass installing plate behind the tempered glass installing plate, and the secondary relocking Flexible Connector that the periphery of secondary relocking shank location and installation section socket pretension arranges, the two ends of this secondary relocking Flexible Connector are compressed between the bottom land and secondary relocking shank locking section of secondary relocking gathering sill, and vertical bolt driver plate is then offered suitable secondary relocking lock groove corresponding to the end of secondary relocking shank locking section.

Described vertical gate bolt assemblies, relocking assembly, door bolt assembly and lock set are the integrated modular assembly.

Described armorplate glass is full tempered glass plate or semi-tempered glass plate.

Door bolt mechanism is up and down symmetrical structure with respect to horizontal central plane, and described horizontal central plane is the horizontal plane that passes curved groove driving-disc center of rotation

According to above technical scheme, compared with prior art, the utlity model has following advantage:

1, the utility model adopts the curved groove driving-disc to replace open outline cam commonly used to carry out transmission of power, can avoid additionally increasing stopping means on the one hand, has simplified door bolt mechanism, has improved versatility and the economy of door bolt mechanism; On the other hand, there are latching point in this curved groove driving-disc and resistant door latch assembly when door bolt mechanism is closed, namely the center of the first drive pin, curved groove driving-disc, left horizontally-guided post and right horizontally-guided post is in same straight line when door bolt mechanism is closed, the second drive pin, curved groove driving-disc, vertically-guided post three's center also is in same straight line at this moment, therefore, can effectively prevent that horizontal door bolt assemblies and vertical gate bolt assemblies from suffering axially attack and improper cabinet door occurs to open phenomenon, the effectively safety of guarantee insurance cabinet door simultaneously;

2, the end that the utility model is adjacent with vertical bolt driver plate with horizontal bolt driver plate is offered respectively the horizontal bolt self-locking grooves of mutual self-locking, vertical bolt self-locking grooves accordingly, cause horizontal bolt driver plate and vertical bolt driver plate when door bolt mechanism is closed by aforesaid horizontal bolt self-locking grooves, the mutual self-locking of vertical bolt self-locking grooves, the safety that improves further safe door;

3, the utility model is respectively to horizontal door bolt assemblies, vertical gate bolt assemblies configuration relocking mechanism, this relocking mechanism sets up based on armorplate glass, therefore, when door bolt mechanism described in the utility model suffers axially to attack, armorplate glass is at first cracked because axially attacking, inspire relocking mechanism, improve again the safety of safe door;

4, the utility model arranges lock body installing plate and mainboard split, and therefore the lock body installing plate is hung on the mainboard,, when lock set is attacked, can at first smash comparatively delicately tempered glass, then trigger relocking, effectively guarantee the safety of safe door;

5, the utility model adopts modularized design, is about to vertical gate bolt assemblies, relocking assembly, door bolt assembly and the integrated independently widget of lock set, has simplified separately independently manufacturing process, saves cost and mounting process.

In sum, the utlity model has following beneficial effect:

1, cost low (saving 30%)

A) the lock body installing plate separates with mainboard, has optimized motherboard design (less simpler);

B) integrated modular with the integrated independently widget of vertical gate bolt assemblies, relocking assembly, door bolt assembly and lock set (with mainboard, cover plate and horizontal bolt plate separate design have been simplified separately independently manufacturing process), can dispose as requested;

C) 15% part directly adopts universal standard part;

D) symmetrical structure is complete/and the semi-tempered glass design is applicable to various situations, Effective Raise utilization rate;

E) more easy relocking and secondary relocking structure.

2, high reliability, safety

A) mutual self-locking system and the curved groove driving-disc self-locking system between the employing part; When door bolt mechanism is in closed condition, totally 5 place's latching points (latching point that forms between the latching point that three arc-shaped limit driver slots and vertical bolt driver plate, horizontal bolt driver plate form and two vertical bolt driver plates and the horizontal bolt driver plate) effectively prevent from level and vertical axes to attacking inefficacy;

B) complete door bolt mechanism is uniform five place's relockings (comprising the first relocking assembly, two the second relocking assemblies and two secondary relocking assemblies);

C) separate the design of suspension type lock body installing plate, can when lock set be attacked, more effectively smash tempered glass and trigger relocking.

Description of drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the A-A sectional view among Fig. 1;

Fig. 3 is the B-B sectional view among Fig. 1;

Fig. 4 is the blast structural representation of door bolt mechanism described in the utility model;

Fig. 5 is the structural representation of spring bolt mechanism part described in the utility model;

C-C sectional view among Fig. 6 the utility model Fig. 1;

Fig. 7 is that the vertical bolt driver plate of the utility model disposes the mounting structure schematic diagram of secondary relocking mechanism;

Fig. 8 is the mounting structure schematic diagram of the second relocking assembly described in the utility model;

Fig. 9 is the structural representation that door bolt mechanism described in the utility model is in closed condition;

Figure 10 is the structural representation that door bolt mechanism described in the utility model is in opening;

Among Fig. 1 to Fig. 8, mainboard assembly 1; Mainboard 11; Mainboard fixed installation hole 111; Horizontal bolt plate locating hole 112; Vertical bolt plate gathering sill 113; Mainboard locked groove 114; Horizontal bolt plate relocking gathering sill 115; Glass plate installing hole 116; Lock body installing plate 12; Horizontal door bolt assemblies 2; Horizontal bolt driver plate 21; Horizontal bolt relocking keyed end 211; Left horizontal guide slot 212; The locked groove 213 of horizontal bolt plate; Horizontal bolt self-locking grooves 214; Right horizontal guide slot 215; Central horizontal gathering sill 216; Horizontal bolt relocking groove 217; Door bolt installing hole 218; Bolt opening assembly 3; Curved groove driving-disc 31; The first horizontal arc-shaped limit driver slot 311; First vertical arc-shaped limit driver slot 312; The second horizontal arc-shaped limit driver slot 313; Second vertical arc-shaped limit driver slot 314; Center of rotation through hole 315; Horizontal door pin assemblies 4; Door bolt junction plate 41; Horizontal door bolt 42; Bolt cover plate 5; Cover plate locked groove 51; Lock set 6; Circular block 61; Clamping block 62; Lock body 63; Vertical gate bolt assemblies 7; Vertical bolt driver plate 71; Vertical bolt self-locking grooves 711; Vertical bolt driving head 712; Secondary relocking guide holder 721; Secondary relocking pin 722; Secondary relocking spring 723; Secondary relocking cottor pin 724; Guiding junction plate 73; Tempered glass assembly 8; Armorplate glass 81; Glass plate fixed installation hole 811; Mainboard installing hole 812; The first relocking assembly 9; Relocking piece 91; The first relocking spring 92; The second relocking assembly 10; The second relocking pin 101; The second relocking spring 102; The second relocking mounting bracket 103.

The specific embodiment

Accompanying drawing discloses the structural representation of the related preferred embodiment of the utility model without limitation; Explain the technical solution of the utility model below with reference to accompanying drawing.

Shown in Fig. 1 to 8, safety box door latch mechanism with auto-lock function described in the utility model, comprise the tempered glass board component, mainboard assembly, handle assembly, lock set, the bolt opening assembly, resistant door latch assembly and bolt cover plate, handle assembly, bolt opening assembly and resistant door latch assembly are connected, lock set comprises lock body and the spring bolt mechanism that is fixed on the mainboard, described tempered glass board component comprises armorplate glass, mainboard assembly comprises mainboard and lock body installing plate, the bolt opening assembly comprises the curved groove driving-disc, resistant door latch assembly comprises horizontal door bolt assemblies and vertical gate bolt assemblies, and this horizontal door bolt assemblies comprises horizontal bolt driver plate and the horizontal door pin assemblies that is connected with horizontal bolt driver plate; This vertical gate bolt assemblies comprises and is arranged on symmetrically mainboard up and down upper resistant door latch assembly and the lower resistant door latch assembly of both sides, and upper resistant door latch assembly is consistent with the structure of lower resistant door latch assembly, includes vertical bolt driver plate, vertical bolt driver plate configuration secondary relocking mechanism; Horizontal bolt driver plate is landscape configuration the first relocking assembly, the second relocking assembly respectively; Wherein: armorplate glass, mainboard, curved groove driving-disc, horizontal bolt driver plate and bolt cover plate stack successively, and bolt cover plate, mainboard and armorplate glass tighten up by fastening connection piece and be integral; And each parts has following characteristics:

Armorplate glass 81: can be the full tempered glass plate, also can be the semi-tempered glass plate; For the full tempered glass plate, offer respectively four mainboard installing holes 812 that are used for being installed in the glass plate fixed installation hole 811 on the door-plate and are used for being connected with mainboard; For the semi-tempered glass plate, then laterally offer two glass plate fixed installation holes 811 and mainboard installing hole 812, be mainly used in the lower security grade, can effectively save cost;

Mainboard: mainboard installing hole 111, the glass plate installing hole 116 of offering corresponding number corresponding to the glass plate offered on the armorplate glass 81 fixed installation hole 811, mainboard installing hole 812; Adopt bolt that mainboard installing hole 812, glass plate installing hole 116 are connected and realize the fixing of armorplate glass 81 and mainboard 11; In addition, offer respectively on the mainboard 11 be used to the locating hole 112 that horizontal bolt plate is installed, for the gathering sill 113 of the vertical bolt plate of location and installation, for the locked groove 114 of lock set locking mainboard, for the horizontal bolt plate relocking gathering sill 115 that the first relocking assembly is installed;

Curved groove driving-disc 31: offer center of rotation through hole 315, and the periphery of center of rotation through hole offer four be respectively applied to the constraint on resistant door latch assembly, the arc-shaped limit driver slot of lower resistant door latch assembly and horizontal door bolt assemblies, wherein, be in longitudinally arc-shaped limit driver slot 312,314 are used for retraining accordingly the vertical gate bolt assemblies, and be in horizontal arc-shaped limit driver slot 311,313 are used for the bound level resistant door latch assembly, wherein: during installation, for being in horizontal arc-shaped limit driver slot 311,313, only need to select that deep-slotted chip breaker near horizontal door pin assemblies 4 can carry out the constraint of horizontal door bolt assemblies, another remaining deep-slotted chip breaker is idle to be got final product; Hence one can see that, offers respectively on the curved groove driving-disc for the first arc-shaped limit driver slot of driving and bound level bolt driver plate horizontal throw with for the second arc-shaped limit driver slot that drives and retrain vertical bolt driver plate vertical stroke;

Horizontal bolt driver plate 21: offer central horizontal gathering sill 216 at the center of rotation through hole of offering on corresponding to curved groove driving-disc 31 on the horizontal bolt driver plate 21; And offer respectively left horizontal guide slot 212 and right horizontal guide slot 215 in the both sides of central horizontal gathering sill along the axis of central horizontal gathering sill 216; Because put on horizontal door pin assemblies 4 right sides, therefore, the utility model is vertically offered one group of door bolt installing hole 218 that horizontal door pin assemblies 4 be used for to be installed on the right side of horizontal bolt driver plate 21, offer two horizontal bolt relocking grooves 217 that carry out relocking for 10 pairs of horizontal bolt driver plates 21 of the second relocking assembly on the up and down bilateral symmetry ground of right horizontal guide slot simultaneously; In addition, horizontal bolt driver plate 21 and horizontal door pin assemblies 4 opposing ends are provided with horizontal bolt relocking keyed end 211, are used for the relocking constraint of 9 pairs of horizontal bolt driver plates of the first relocking assembly; The end that horizontal bolt driver plate is adjacent with lock set arranges horizontal bolt plate locked groove 213, is used for the spring bolt mechanism of lock set to the locking of horizontal bolt driver plate; Horizontal bolt driver plate offer for the horizontal bolt self-locking grooves 214 of the mutual self-locking of vertical bolt driver plate; The curved groove driving-disc is connected by the first drive pin and horizontal bolt plate, and the first drive pin one end and horizontal bolt plate are fixed, and the other end places the first arc-shaped limit driver slot;

Lock set: comprise lock body 63 and spring bolt mechanism, lock body 63 is connected with mainboard 11 by lock body installing plate 12; Lock body installing plate 12 is suspended on the mainboard 11, be the lower end of lock body installing plate adopt securing member by with mainboard on the corresponding installing hole of offering be fixedly mounted on the mainboard, the upper end of lock body installing plate then adopts screw connection rear overhang to be hung in the hole of offering on the armorplate glass that matches with it; Spring bolt mechanism comprises clamping block 62, the circular block 61 that dead bolt body and order are connected with the dead bolt body, and namely clamping block 62 is arranged between circular block 61 and the dead bolt body; Mainboard, horizontal bolt driver plate and curved groove driving-disc are offered locked groove accordingly, and spring bolt mechanism places in the locked groove, and clamping block moves up and down in locked groove along with the driving of dead bolt drives circular block; When circular block outwards moves along with the dead bolt body, the simultaneously motion of the horizontal bolt driver plate of locking and curved groove driving-disc, and circular block can be removed the locking to horizontal bolt driver plate and the motion of curved groove driving-disc when inwardly moving along with the dead bolt body;

The horizontal door pin assemblies: comprise the door bolt junction plate and be installed in one group of horizontal door bolt on this door bolt junction plate, each horizontal door bolt is parallel to each other;

The first relocking assembly: comprise two square relocking pieces and the Flexible Connector that two square relocking pieces are connected, this Flexible Connector is the first relocking spring in the present embodiment, and the first relocking spring is the setting that stretches; Each relocking piece is all fixed with armorplate glass, and each relocking piece all adopts alignment pin to be located by connecting by horizontal bolt plate relocking gathering sill and mainboard set on the mainboard; Therefore, when armorplate glass is attacked, because the first relocking spring is extended state, therefore, double lock dog can be pushed open, so that there are certain distance in double lock dog and horizontal bolt relocking keyed end, can not cause constraint to it, after in case armorplate glass is attacked, armorplate glass is cracked, causes double lock dog under the restoring force effect of the first relocking spring, relatively moves, thereby clamp horizontal bolt relocking keyed end set on the horizontal bolt driver plate that places between the double lock dog, be the left end of horizontal bolt driver plate in the accompanying drawing;

The second relocking assembly: comprise the second relocking mounting bracket 103 and the second relocking pin 101, the second relocking mounting bracket is the U-shaped frame with extension installation end ear, extension installation end ear adopts screw to be fixed on the horizontal bolt driver plate, and tapping screw is installed at the blind end of U-shaped frame middle part; Described the second relocking pin is comprised of relocking locking section and shank location and installation section, and relocking locking section arranges near U-shaped frame blind end, be installed with Flexible Connector between relocking locking section and the U-shaped frame blind end simultaneously: in the utility model, the end face that relocking locking section is adjacent with U-shaped frame blind end is offered for the cavity that Flexible Connector is installed, this Flexible Connector pretension arranges, and Flexible Connector is socketed in the tapping screw periphery, an end of Flexible Connector and the blind end of U-shaped frame are interlockingly connected simultaneously, and the other end then places on the adapting table of relocking locking cavity that section is offered; Shank location and installation section by nut check on armorplate glass; When armorplate glass is cracked, shank location and installation section loses support, under the spring restoring force effect of preloading spring connector, mobile in the relocking lock groove of offering on the mutually horizontal bolt driver plate of relocking locking section, realized the translation locking to horizontal bolt driver plate;

Upper resistant door latch assembly, lower resistant door latch assembly: upper resistant door latch assembly and lower resistant door latch assembly are arranged on the up and down both sides of mainboard 11 symmetrically; And upper resistant door latch assembly is consistent with the structure of lower resistant door latch assembly, include vertical bolt driver plate 71 and secondary relocking mechanism, coaxial one group (in the accompanying drawing being two) vertical bar hole of offering on this vertical bolt driver plate 71, offer accordingly vertical-transmission slab installing hole on the mainboard simultaneously, and employing guiding junction plate 73 location and installation shop bolt in this vertical-transmission slab installing hole, vertical bar shaped borehole jack on the vertical bolt driver plate is connected on the shop bolt, so that vertical bolt driver plate can carry out upper and lower translation along shop bolt, vertical bar hole reflects the stroke of vertical bolt driver plate; The vertical bolt driver plate of upper resistant door latch assembly is connected by the second drive pin and the second longitudinal spacing deep-slotted chip breaker 314, the vertical bolt driver plate of lower resistant door latch assembly then is connected by the second drive pin and the first longitudinal spacing deep-slotted chip breaker 312, simultaneously, the second drive pin is fixing accordingly with the vertical bolt driver plate of upper and lower resistant door latch assembly respectively; Described secondary relocking mechanism comprises secondary relocking pin and secondary relocking guide holder, this secondary relocking pin comprises secondary relocking locking section and secondary relocking shank location and installation section, and the external diameter of secondary relocking locking section is greater than the external diameter of secondary relocking shank location and installation section; Secondary relocking guide holder is fixed with vertical bolt driver plate, and secondary relocking guide holder comprises secondary relocking gathering sill, secondary relocking shank location and installation section is sequentially passed the bottom land of secondary relocking gathering sill, adopt the cottor pin of secondary relocking to be locked at the bottom surface of tempered glass installing plate behind the tempered glass installing plate, and the secondary relocking Flexible Connector that the periphery of secondary relocking shank location and installation section socket pretension arranges, the two ends of this secondary relocking Flexible Connector are compressed between the bottom land and secondary relocking locking section of secondary relocking gathering sill, in the utility model, secondary relocking Flexible Connector is secondary relocking spring, therefore, after armorplate glass is cracked, the restoring force of the secondary relocking Flexible Connector that pretension arranges, to cause secondary relocking locking section to move towards the vertical-transmission plate along secondary relocking gathering sill, until the upper surface that the vertical-transmission plate is blocked in the end of secondary relocking locking section, prevent when stressed that the vertical-transmission plate is return dorsad, realize the secondary relocking.

In addition, the end face that horizontal bolt driver plate is adjacent with vertical bolt driver plate is offered respectively the horizontal bolt self-locking grooves 214 of mutual self-locking, vertical bolt self-locking grooves 711 accordingly, namely move right when the curved groove driven unit is rotated counterclockwise driving horizontal door bolt assemblies, drive simultaneously the vertical gate bolt assemblies and do respectively outside motion; When the horizontal door bolt assemblies moves right extreme position shown in Figure 9, the curved groove driven unit continues to be rotated counterclockwise, drive the vertical gate bolt assemblies and do respectively outside motion, cause the vertical bolt self-locking grooves 711 of vertical bolt driver plate staggered with the horizontal bolt self-locking grooves 214 of horizontal bolt driver plate, the horizontal bolt driver plate of prevention is return to left movement, reaches mutual self-locking purpose.

Operating principle of the present utility model is:

Close the door: as shown in Figure 9, the curved groove driven unit drives the horizontal door bolt assemblies and moves right as level and drive simultaneously the vertical gate bolt assemblies and do respectively and outwards move to the first extreme position; The spring bolt mechanism that is comprised of dead bolt body, circular block and clamping block in the lock set moves upward, locking horizontal door bolt assemblies and curved groove driven unit; Vertical bolt driver plate right side in the upper and lower resistant door latch assembly and the mutual locking of horizontal bolt driver plate; And the drive pin in horizontal door bolt assemblies and the upper and lower resistant door latch assembly all is in the limit self-locking position of corresponding arc-shaped limit driver slot in the curved groove driven unit, to prevent that bolt from return by the axial attack of horizontal and vertical direction, namely door bolt mechanism is in locking states.

Open the door: the spring bolt mechanism that is comprised of dead bolt body, circular block and clamping block in the lock set moves up and down, so that spring bolt mechanism and locked groove release, the door capable of being opened bolt mechanism; Then the curved groove driven unit drives the horizontal door bolt assemblies and makes level and drive simultaneously the vertical gate bolt assemblies to left movement and do respectively and move inwardly to the second extreme position, and namely door bolt mechanism is in opening as shown in figure 10.

The operating principle of mutual self-locking mechanism:

At closing time, the curved groove driven unit is rotated counterclockwise driving horizontal door bolt assemblies and moves right, and drives simultaneously the vertical gate bolt assemblies and does respectively outside motion; When the horizontal door bolt assemblies moves right extreme position shown in Figure 9, the curved groove driven unit continues to be rotated counterclockwise, drive the vertical gate bolt assemblies and do respectively outside motion, cause vertical bolt driver plate and horizontal bolt driver plate in the upper and lower resistant door latch assembly staggered, both mutual self-lockings, the horizontal bolt driver plate of prevention is return to left movement, reaches mutual self-locking purpose.

When opening the door, the curved groove driven unit vertical bolt driver plate that drives in the upper and lower resistant door latch assembly that turns clockwise is done inside motion, when causing the upper and lower flank of vertical bolt driver plate right side in the upper and lower resistant door latch assembly and the bolt plate in the horizontal door bolt assemblies to stagger; Reach mutual releasing self-locking purpose.Then the curved groove driven unit continues to turn clockwise and drives the horizontal door bolt assemblies and make level and drive simultaneously the vertical gate bolt assemblies to left movement and do respectively and move inwardly to extreme position shown in Figure 10.

The curved groove self-locking

At closing time, horizontal door bolt assemblies and upper, drive pin in the lower resistant door latch assembly all is in curved groove extreme position in the curved groove driven unit, at this moment, the first drive pin, the curved groove driving-disc, the center of left horizontally-guided post and right horizontally-guided post is in same straight line, while the second drive pin, the curved groove driving-disc, vertically-guided post three's center also is in same straight line, according to the resolution of forces principle, power from the drive pin of horizontal or vertical direction is directly delivered to curved groove driven unit center, the component that does not impel the curved groove driven unit to turn clockwise reaches the self-locking purpose.

Integrated modular

Consist of main body by mainboard assembly, horizontal door bolt assemblies, curved groove driven unit and cover plate assembly, as shown in Figure 3, so that whole main body zero body structure is simple, all the other horizontal door pin assemblies, lock set, vertical gate bolt assemblies, tempered glass and relocking assembly are integrated into independently parts, can expand assembling according to configuration requirement.

Hang separate type lock installing plate

The lock body installing plate adopts and hangs separate type, the lock body installing plate of lock set adopts 4 screws to be connected with the mainboard assembly suspension type, installing plate connects with screw and hangs in the tempered glass hole that matches with it simultaneously, this structure is broken tempered glass and trigger relocking effectively, improves the safety of door bolt mechanism; Hang simultaneously separate type lock installing plate so that mainboard is less simpler than traditional mainboard structure, Effective Raise manufacturability and economy.

Symmetrical structure up and down

Door bolt mechanism is with respect to be up and down symmetrical structure by horizontal central plane, described horizontal central plane is the horizontal plane that passes curved groove driving-disc center of rotation, therefore, only need to turn over turnback along horizontal central plane, be convertible assembling curved groove driving-disc and armorplate glass, and assemble other optional component, with applicable left hand model or right hand model safe door assembly; Make simultaneously armorplate glass in the lower security grade, adopt half glass structure with respect to the horizontal neutral face symmetry of 4 installing holes, improved versatility and can effectively save cost.

Secondary relocking principle

When toughened glass crushing, the elastic force promotion secondary relocking pin of Compress Spring is done and is moved upward, be inserted through the oval groove on the vertical bolt driver plate, the large step of secondary relocking relocking locking section end is buckled in vertical bolt driver plate upper side, prevent from returning downwards when stressed, realize secondary relocking purpose.

Claims (10)

1. safety box door latch mechanism with auto-lock function, comprise mainboard assembly, handle assembly, lock set, the bolt opening assembly, resistant door latch assembly and bolt cover plate, handle assembly, bolt opening assembly and resistant door latch assembly are connected, lock set comprises lock body and the spring bolt mechanism that is fixed on the mainboard assembly, it is characterized in that: mainboard assembly comprises mainboard, the bolt opening assembly comprises the curved groove driving-disc, resistant door latch assembly comprises the horizontal door bolt assemblies, and this horizontal door bolt assemblies comprises horizontal bolt driver plate and the horizontal door pin assemblies that is connected with horizontal bolt driver plate; Wherein:

Mainboard, curved groove driving-disc, horizontal bolt driver plate and bolt cover plate stack successively, and the bolt cover plate tightens up by fastening connection piece and mainboard and is integral;

Offer on the curved groove driving-disc for driving also the first arc-shaped limit driver slot of bound level bolt driver plate horizontal throw, and the curved groove driving-disc is connected by the first drive pin and horizontal bolt plate, the first drive pin one end and horizontal bolt plate are fixed, and the other end places the first arc-shaped limit driver slot;

Horizontal bolt driver plate is offered the central horizontal gathering sill corresponding to the center of rotation through hole of offering on the curved groove driving-disc, and in central horizontal gathering sill both sides coaxial left horizontal guide slot and the right horizontal guide slot offered, mainboard is installed respectively left horizontally-guided post and right horizontally-guided post corresponding to left horizontal guide slot and right horizontal guide slot, and left horizontally-guided post, right horizontally-guided post pass respectively left horizontal guide slot accordingly, right horizontal guide slot is placed; The center of the first drive pin, curved groove driving-disc, left horizontally-guided post and right horizontally-guided post is in same straight line when door bolt mechanism is closed;

The axis of rotation of handle assembly passes behind bolt cover plate, the central horizontal gathering sill coaxial connection of center of rotation through hole with the curved groove driving-disc successively;

Described spring bolt mechanism comprises circular block, the clamping block that dead bolt body and order are connected with the dead bolt body, mainboard, horizontal bolt driver plate and curved groove driving-disc are offered locked groove corresponding to spring bolt mechanism, spring bolt mechanism places in the locked groove, and along with the action of dead bolt body, circular block, clamping block and locked groove locking/release.

2. described safety box door latch mechanism with auto-lock function according to claim 1, it is characterized in that: described resistant door latch assembly also comprises the vertical gate bolt assemblies, this vertical gate bolt assemblies comprises and is arranged on symmetrically mainboard up and down upper resistant door latch assembly and the lower resistant door latch assembly of both sides, and upper resistant door latch assembly and lower resistant door latch assembly arrange about the center of rotation mirror symmetry of curved groove driving-disc, include vertical bolt driver plate; Offer on the curved groove driving-disc for the second arc-shaped limit driver slot that drives and retrain vertical bolt driver plate vertical stroke; And the curved groove driving-disc is connected with vertical bolt driver plate by the second drive pin; The second drive pin one end is fixed with vertical bolt plate, and the other end places the second arc-shaped limit driver slot; Vertical bolt driver plate is located by connecting by vertically-guided device and mainboard, this vertically-guided device comprises that is a vertically-guided post of vertically arranging, vertical bolt driver plate is all offered a vertically-guided groove corresponding to each root vertically-guided post, described vertically-guided post one end and mainboard are fixed, and the other end then passes the vertically-guided groove and places; The second drive pin, curved groove driving-disc, vertically-guided post three's center is in same straight line when door bolt mechanism is closed.

3. described safety box door latch mechanism with auto-lock function according to claim 2, it is characterized in that: the end that described horizontal bolt driver plate is adjacent with vertical bolt driver plate is offered respectively the horizontal bolt self-locking grooves of mutual self-locking, vertical bolt self-locking grooves accordingly; Horizontal bolt driver plate and vertical bolt driver plate when door bolt mechanism is closed by horizontal bolt self-locking grooves, the mutual self-locking of vertical bolt self-locking grooves.

4. according to claim 2 or 3 described safety box door latch mechanisms with auto-lock function, it is characterized in that: described mainboard places tempered glass board component top, this tempered glass board component comprises armorplate glass, and described armorplate glass tightens up by fastening connection piece and mainboard and is integral; Described horizontal bolt driver plate is landscape configuration the first relocking assembly and the second relocking assembly respectively, and horizontal bolt driver plate arranges horizontal bolt relocking keyed end corresponding to the first relocking assembly, and corresponding to the second relocking assembly horizontal bolt relocking groove is set; Described the first relocking assembly comprises double lock dog and is connected between the double lock dog, is the first relocking Flexible Connector of extended state, each relocking piece all by the 3rd reference column location and installation on mainboard, one end and the relocking piece of the 3rd reference column are fixed, and the other end is fixed with armorplate glass after then passing the horizontal bolt plate relocking gathering sill of offering on the mainboard; Described horizontal bolt relocking keyed end places between the double lock dog; Described the second relocking assembly comprises the second relocking mounting bracket, the second relocking pin and the second relocking elastic component; Described the second relocking mounting bracket is fixedly mounted on the bolt cover plate, described the second relocking pin is comprised of relocking locking section and shank location and installation section, and the cylindrical of relocking locking section is greater than shank location and installation section, simultaneously be installed with the second relocking Flexible Connector between the end of relocking locking section and the second relocking mounting bracket, and that the end of shank location and installation section is passed sequentially behind horizontal bolt driver plate, the mainboard is inconsistent with armorplate glass.

5. described safety box door latch mechanism with auto-lock function according to claim 4, it is characterized in that: the plate enclosed cavity is offered in the end of the relocking locking section of described the second relocking pin, the opening end of this semiclosed cavity arranges towards the second relocking mounting bracket, and the blind end of semiclosed cavity is positive taper setting; The second relocking Flexible Connector places in the semiclosed cavity, and an end of the second relocking Flexible Connector and the second relocking mounting bracket fix, and the other end then is bearing in the large end of the positive taper blind end of semiclosed cavity.

6. described safety box door latch mechanism with auto-lock function according to claim 4, it is characterized in that: described mainboard assembly also comprises for the lock body installing plate that lock body is installed, one end and the mainboard of this lock body installing plate are fixed, the other end then is suspended in the top of armorplate glass, and suspending of lock body installing plate is connected by screw between end and the armorplate glass.

7. described safety box door latch mechanism with auto-lock function according to claim 4, it is characterized in that: described vertical bolt driver plate vertically disposes secondary relocking mechanism, and this secondary relocking mechanism comprises secondary relocking pin and secondary relocking guide holder; Secondary relocking pin comprises secondary relocking shank locking section and secondary relocking shank location and installation section, and the external diameter of secondary relocking shank locking section is greater than the external diameter of secondary relocking shank location and installation section; Secondary relocking guide holder is fixed by guiding junction plate and mainboard, and secondary relocking guide holder comprises secondary relocking gathering sill, the bottom land of secondary relocking gathering sill is sequentially passed in the end of secondary relocking shank location and installation section, lock with the tempered glass installing plate behind the tempered glass installing plate, and the secondary relocking Flexible Connector that the periphery of secondary relocking shank location and installation section socket pretension arranges, the two ends of this secondary relocking Flexible Connector are compressed between the bottom land and secondary relocking shank locking section of secondary relocking gathering sill, and vertical bolt driver plate is then offered suitable secondary relocking lock groove corresponding to the end of secondary relocking shank locking section.

8. described safety box door latch mechanism with auto-lock function according to claim 7, it is characterized in that: described vertical gate bolt assemblies, relocking assembly, door bolt assembly and lock set are the integrated modular assembly.

9. described safety box door latch mechanism with auto-lock function according to claim 4, it is characterized in that: described armorplate glass is full tempered glass plate or semi-tempered glass plate.

10. described safety box door latch mechanism with auto-lock function according to claim 4, it is characterized in that: door bolt mechanism is up and down symmetrical structure with respect to horizontal central plane, and described horizontal central plane is the horizontal plane that passes curved groove driving-disc center of rotation.

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