CN2851444Y - Automatic door lock and its lock bolt opening mechanism - Google Patents

Abstract

The utility model relates to an automatic door lock and a lock bolt unlocking mechanism thereof. The technical problem to be solved of the utility model is to provide an automatic door lock with the advantage of reliable work on the premise that the structure is properly compact. The automatic door lock of the utility model is composed of a set of lock bolt members (3), a lock bolt automatically telescopic mechanism (4), the lock bolt unlocking mechanism (11), a lock-out control mechanism (14) and a push rod (9), wherein the lock bolt unlocking mechanism (11) comprises a locking/actuating assembly (12) and an unlocking unit. The locking/actuating assembly (12) is composed of a control member (15) connected to a lock shell (2) and an actuating member (16) which is capable of locking and separating relative to the control member (15), wherein the control member (15) is mechanically connected with a linking control structure (8) in the lock bolt automatically telescopic mechanism (4) in order to control the linking control structure (8) to realize the linkage and the separation between the push rod (9) and a sliding member (10) and to control the unlocking process of the lock bolt automatically telescopic mechanism (4).

Description

Automatic door lock and dead bolt opening mechanism thereof

Technical field

The utility model relates to a kind of automatic door lock and is applicable to the dead bolt opening mechanism of this door lock.Specifically, the opening-closing process of dead bolt is mainly handled or control to automatic door lock of the present utility model and dead bolt opening mechanism thereof by machine driving.Further, automatic door lock of the present utility model combines the work that Electromagnetic Control mechanism controls described mechanical transmission mechanism simultaneously.

Background technology

In the prior art, adopt mechanical transmission mechanism or mechanical transmission mechanism open in many pieces of prior aries, and be widely used in such as in the door latch structures such as security door in conjunction with the automatic door lock of Electromagnetic Control.As disclosed automatic door lock among Chinese patent literature CN2604489Y, CN2604491Y and the CN2604493Y.

The disclosed door lock of CN2604491Y and CN2604493Y in above-mentioned patent documentation, mainly comprise a lock housing with front panel, and be installed in dead bolt member in the described lock housing, be used to realize that described dead bolt member opens a closed automatic telescoping mechanism of dead bolt automatically, a dead bolt opening mechanism that is used to control the automatic telescoping mechanism work of described dead bolt, and one producing the push rod of thrust at closing time.Wherein by be nested in mutually together one group of biasing member and during an interlock Control Component structure of described automatic door lock compact more, and realize the flexible automatically control of dead bolt.But there are following problems in the above-mentioned prior art:

At first, on the whole,, and only depend on slideway to be arranged in the lock housing because the actuated components that wherein is connected with the unlocking force output block of tapered end assembly is independently parts.Thereby in the production assembling process, improved the difficulty of assembling, and the possibility of dislocation in use can appear because the accident vibrations simultaneously, reduced the reliability of work.Simultaneously, this structure needs the bigger stroke of unblanking lock could be opened when opening the lock with the key.

Secondly, above-mentioned prior art all is to adopt common rectangle correcting structure, the shortcoming of this correcting structure is to be installed on the door or door that lockset is housed is installed to and all requires to have higher planarization on the doorframe at lockset, otherwise can be because of out-of-flatness cause the mutual interference mutually of upright-guiding mechanism and lock housing, this door lock can not be worked.

Because wherein biasing member assembly and interlock Control Component are too compact, cause between the parts cooperating between phase mutual interference or the linkage structure undesirable, the degree of reliability of work is poor.

The technology contents of utility model

For this reason, technical problem to be solved in the utility model is to propose a kind of under the suitable compact prerequisite of structure, the automatic door lock of reliable operation.

For solving the problems of the technologies described above, automatic door lock of the present utility model comprises

Lock housing with front panel forms dead bolt hole on the described front panel;

One group of dead bolt member is installed in the described lock housing;

Automatic telescoping mechanism of dead bolt is used to realize that described dead bolt member opens and locking, and the automatic telescoping mechanism of described dead bolt stretches out spring by a push rod back-moving spring, dead bolt back-moving spring, dead bolt and an interlock control structure constitutes; Described push rod back-moving spring acts on a biasing force that trends towards away from described front panel on a push rod; Described dead bolt back-moving spring acts between described lock housing and the slide unit, produces to make a slide unit can drive the biasing force of described dead bolt member away from described front panel; Described dead bolt stretches out spring, acts between described dead bolt member and the described slide unit biasing force that makes both be tending towards separating of effect between described dead bolt member and described slide unit; Described interlock control structure acts between described push rod and the described slide unit, and be subjected to the control of dead bolt opening mechanism realize between described push rod and the described slide unit interlock with separate;

The dead bolt opening mechanism of an automatic telescoping mechanism action of the described dead bolt of control, described dead bolt opening mechanism comprise a unit of unblanking that acts on the locking/actuating assembly of described interlock control structure and be used to control described locking/actuating assembly action;

The described dead bolt member of control stretches out the bolt extending control mechanism on opportunity;

A push rod that is subjected to external thrust on the flexible automatically machine of described dead bolt, to produce initial thrust;

Form with the actuated piece that separates with locking by the control member that is connected on the described lock housing at locking/actuating assembly described in the utility model with respect to described control member; Described control member mechanically is connected with described interlock control structure, control described interlock control structure realize between described push rod and the described slide unit interlock with separate and the process of unblanking of the automatic telescoping mechanism of described dead bolt; Described actuated piece be subjected to the control of the described unit of unblanking realize with described actuated piece between locking with separate.

Described interlock control structure of the present utility model comprises the slideway that is arranged on one of described push rod and described slide unit, described push rod and described slide unit are slidingly connected by described slideway, on the part that described push rod and described slide unit are slidingly connected, on described push rod and described slide unit, form corresponding interlock gap respectively, a set bar is connected on one of described push rod or described slide unit movably, and under the effect of a bias voltage thrust, can insert in the described interlock gap and constitute linkage status, described dead bolt opening mechanism applies a confining force on described set bar, described set bar is remained in the described gap, and when described confining force was cancelled, described set bar withdrawed from least one interlock gap and removes linkage status.

Wherein, described set bar is arranged on the interlock sheet, and described interlock sheet is pivotally connected on one of described push rod and described slide unit; The confining force of described dead bolt opening mechanism is applied on the described set bar by described interlock sheet.

The described control member that comprises in described locking/actuating assembly of the present utility model is articulated on the lock shell plate, described control member is subjected to a biasing force, this biasing force pushes described interlock gap with described set bar as the maintenance thrust that acts on the described set bar when described interlock gap aligns; Described actuated piece has a lock part, described actuated piece be subjected to a biasing force keep described lock part can with described control member locking mesh, keep the maintenance thrust of described control member on described set bar; Described actuated piece has actuation part, and described actuation part is subjected to the locking mesh that is used for removing described lock part and described control member of the described unit applied force of unblanking, and then cancels the maintenance thrust of described control member on described set bar.

Further have a control projection on the described control member, described control projection can mesh with the non-self-locking of the parts ground that is connected on the automatic telescoping mechanism of described dead bolt; Under the effect of an additional latching force, described control projection and the non-self-locking engagement fit that is connected the automatic telescoping mechanism upper-part of described dead bolt, make described lock part and described control member locking mesh, stop the automatic telescoping mechanism of described dead bolt to moving away from described front panel.

Described actuated piece is pivotally connected on the described lock shell plate, and a spring applies described biasing force on described actuated piece.

Described dead bolt back-moving spring stretches out the coaxial setting of spring with described dead bolt, and sleeve pipe is arranged on described back-moving spring and described dead bolt stretches out between the spring.

Further, an end of described dead bolt back-moving spring acts on the described lock housing, and the other end acts on the described slide unit; One end of described sleeve pipe is fixed on the described dead bolt member, and forms a line of rabbet joint at the axis of the described sleeve pipe in described sleeve pipe upper edge, and the length of the described line of rabbet joint equals the predetermined stroke of described dead bolt member at least; Described dead bolt stretches out spring and is arranged in the described sleeve pipe, and described dead bolt back-moving spring and described slide unit are enclosed within on the described sleeve pipe; Described slide unit stretches out spring with described dead bolt and combines by being molded over the described line of rabbet joint on the described sleeve pipe.

The described unit of unblanking comprises mechanical type unit or the electronic type unit of unblanking of unblanking, perhaps mechanical type unit and the electronic type combination of unit of unblanking of unblanking; The described mechanical type unit of unblanking comprises a tapered end assembly, a transmission mechanism.

Described transmission mechanism comprises a transmission main element that is connected to movably on the described lock housing, and a transmission trigger unit is set on the described transmission main element.

Further, described transmission main element is the plate-shaped member that is fixed on the described dead bolt member, described triggering crank and a driving rack that is arranged on the described transmission main element are separately positioned on two sides of described transmission main element, unlocking force output block engagement on described driving rack and the described tapered end assembly drives described transmission main element and moves.

Institute's transmission trigger unit comprises a triggering crank that is pivotally connected on the described transmission main element, and an end of the crank arm of described triggering crank is connected on the described transmission main element by crank axle, and the other end of described crank arm constitutes trigger end.

A bias piece applies a biasing force that makes described trigger end rely on the described actuation part of described actuated piece on described triggering crank.

The described trigger end of described triggering crank is provided with a support, and one is triggered pin and is supported on the described support; A wire spring is as described bias piece, with in the hole of a partial pressure on being molded over described triggering pin and on the described support.

Described driving parts is a driving rack, and described driving rack is slidingly arranged on the described transmission main element by one group of guiding parts.

Described support has been arranged at a locking projection near described actuated piece one side, and described locking projection is roughly stretched out parts that direction fixes with respect to described lock housing along described dead bolt and meshed and prevent illegally opening of dead bolt with one; Also have a unlocking arm at described triggering crank, described unlocking arm can mesh with described driving rack,, drives described locking projection and breaks away from described fixing parts when the direction of unblanking moves at described driving rack.

The described electronic type unit of unblanking comprises one group of electromagnet and control corresponding device, and the part of the ferrimagnet on actuated piece that is arranged in the described dead bolt opening mechanism is corresponding with described electromagnet, and interacts.

Described tapered end assembly has at least one tapered end, and the lock core shaft of described tapered end drives a tapered end travelling gear rotation coaxial mounted with it, and described tapered end travelling gear cooperates with driving rack in the described transmission mechanism.

Further, described tapered end travelling gear is installed on the bracing strut, form a gear installation shaft on the described bracing strut, described gear installation shaft is coaxial with described lock core shaft, be equipped with stressed in the described lock core shaft, the sliding piece on described stressed can stir that the axially outstanding projection of stirring drives described tapered end travelling gear and rotates on the described tapered end travelling gear.

In a supporting member of described bracing strut, form the tank filler sleeve that leads between described tapered end travelling gear and the described gear installation shaft.

Tank filler sleeve on the described bracing strut is connected on the described front panel by an oil pipe.

Form internal thread on the inner surface of described tank filler sleeve, the end that described oil filling pipe is connected with described tank filler sleeve forms external screw thread, and described oil filling pipe and described tank filler sleeve are by being threaded togather.

Described bolt extending control mechanism of the present utility model comprises that a locking triggers assembly and a lock assembly, described locking triggers assembly and comprises that has a hollow feeler lever that stretches out the core hole of direction setting along described dead bolt, described hollow feeler lever is slidably mounted on the described dead bolt member, the one end constitutes trigger end, one discharges bias piece and axially described hollow feeler lever is applied a biasing force that makes the outstanding described front panel of described trigger end along the described core hole of described hollow feeler lever, a sliding pin is arranged in the described core hole of described hollow feeler lever, a location bias piece is axial along the described core hole of described hollow feeler lever, applies the biasing force that deviates from described trigger end to described sliding pin; Described lock assembly is arranged on the described dead bolt member movably, it comprises a locking component, described locking component have one under unlocking condition be fixed on described housing on the locking that cooperates of parts stop and a limiting convex block that cooperates with the positive stop end of described sliding pin, a locking bias piece acts on a biasing force that trends towards described limiting convex block generation effect on described locking component, described locking stops with the non-self-locking ground that is combined into of fixed part on the described housing and is connected.

Described hollow feeler lever is slidably mounted in the feeler lever slideway that is fixed on the described dead bolt member, and described release bias piece is one and is enclosed within on the described hollow feeler lever, and acts on the helical spring between described hollow feeler lever and the described feeler lever slideway.

Described positive stop end at described sliding pin forms an inclined-plane towards a side of the described limiting convex block of described locking component, and this inclined-plane produces the trend that described sliding pin is moved to the described trigger end of described hollow feeler lever under the compressing of described limiting convex block.

Described locking component is a locking plate that is installed in pivotally on the described dead bolt member, in the side of described locking plate near described lock assembly, extends a ledge; Described ledge is provided with described limiting convex block towards the one side of described lock assembly, and described limiting convex block cooperates with the described positive stop end of described sliding pin and limits described locking plate moving towards described lock assembly; At the opposite side of described locking plate, form be used for be fixed on described lock housing on the described locking that cooperates of parts stop.

An extended position adjusting part is arranged between described hollow feeler lever and the described lock housing.

Described extended position adjusting part comprises the thrust parts and the adjusting part that has the inclined-plane that is arranged between described thrust parts and the described lock housing that are fixedly attached on the described hollow feeler lever.

Automatic door lock of the present utility model also comprises operating mechanism in the door, comprises a safe locking mechanism that is arranged on the described lock housing, and drive disk assembly is handled in an interior handgrip of door and the locking that is arranged between an interior handgrip and the described safe locking mechanism.

Described safe locking mechanism comprises a locking piece, and one is installed in rotation on locking piece installation shaft on the described lock housing with described locking piece; Described locking piece and described locking piece installation shaft constitute a rocker structure, described locking piece is a keyed end away from an end of described locking piece installation shaft, described keyed end respectively be fixed on described dead bolt member on unblank locking mesh member and locking locking mesh member cooperate, come respectively described dead bolt member to be locked in lockset position of coupler and locked position.

Described keyed end forms a bossing, and the described locking mesh member of unblanking is a groove that can mesh together with the bossing of described keyed end under unlocking condition, and described locking locking mesh member is the side end face of a described dead bolt member that can mesh with the bossing of described keyed end under locking states.

Form in the described locking piece installation shaft one with described locking piece installation shaft be vertically arranged transverse holes, a retainer spring is arranged in the described transverse holes; Openend in described transverse holes is provided with a positioning bead that is subjected to the biasing force of described retainer spring outside the hole, forms with the corresponding lock in place groove of latched position and off-position of the keyed end of described locking piece in the adjacent described lock housing position with described keeper installation shaft and discharges locating slot.

Described locking drive disk assembly makes the handgrip axle of handgrip in the described door, described handgrip axle is realized being connected with two connecting holes on being molded over described keeper installation shaft by two connection bumps that are arranged on described handgrip axle respective end with described keeper installation shaft, two connecting holes of moulding extend along the axis of described keeper installation shaft on the described keeper installation shaft, and are arranged in the both sides of described transverse holes.

Automatic door lock of the present utility model also comprises opening mechanism in the door, and opening mechanism has a cranker in the door on the cover plate that is arranged on described lock housing and mechanically connects the unlatching transmission control member of cranker and the interior handgrip of described door in the described door in the described door; In the described door crank arm of cranker be arranged on one that described mechanical type unblanks on the described transmission main element of unit and stir pins engages, open described dead bolt opening mechanism.

Cranker has a driven gear coaxial with its crank axle in the described door, and described unlatching transmission control member is a driving gear that is driven by the handgrip axle of described handgrip, and described driving gear and described driven gear are meshing with each other.

The both sides of the dead bolt of described dead bolt member are provided with hook plate, described hook plate is in the cavity of described dead bolt, one end of described hook plate is articulated on the described dead bolt, under an end of hook plate buckle can be when described dead bolt be in unlocking condition the cavity of the described dead bolt of retraction, and be in the outstanding described dead bolt of locking states at described dead bolt; Form a hook plate locating hole parallel on the described hook plate with described pivotal axis, a bias piece is arranged in the described hook plate locating hole, a positioning bead is arranged on the openend of described hook plate locating hole, and is subjected to the described bias piece effect biasing force that moves outside described hook plate locating hole thereon; On described dead bolt, form at the groove of described hook plate at extrusion position and retracted position correspondence and described positioning bead.

Described dead bolt is provided with a dead bolt rocker compensating gear, described dead bolt rocker compensating gear comprises the gap compensating tongue of a band gradient that is arranged between described lock housing and the dead bolt, a biasing spring applies a biasing force that stretches out direction to described dead bolt on described compensating tongue, when door is locked, the inclined-plane of compensating tongue is under the effect of described biasing spring, wedge between the gap of described lock housing and described dead bolt, reduced the locking gap of door lock.

Technique scheme of the present utility model has the following advantages compared to existing technology:

1. because the parts of the reception unlocking force in the dead bolt opening mechanism by being fixedly connected to the transmission main element on the described dead bolt member, are connected with the dead bolt member, the structure of dead bolt opening mechanism is simpler and more direct, and then functional reliability improves greatly.

2. adopted the structure of the sliding pin that is slidingly connected in the hollow feeler lever cunning owing to the triggering of the locking in bolt extending control mechanism assembly, and a protruding retaining engagement of an end of sliding pin and lock piece; Make bolt extending control mechanism when trigger end is applied pressing force, the dead bolt member does not have any action; And only when described trigger end runs into dead bolt hole on the doorframe, the outside At time of eject of described trigger end, dead bolt just eject; Thereby the gap condition between the Men Bianyu doorframe that needn't be strict.

3. owing on described dead bolt member and be provided with the anti-illegal opening mechanism of different structure and working method in the door on the opening mechanism respectively, can multiplely prevent the illegal unlatching of dead bolt member; And in normal opening process, can in same breakdown action, finish the operation of unlatching simultaneously.

4. the hook plate structure on the dead bolt of the present utility model makes on dead bolt to install to lock out mechanism and become possibility, makes that the structure of door lock is more compact.

Description of drawings

For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below

Fig. 1, Fig. 2 be first embodiment of the present utility model at the structural representation of common state of unblanking;

Fig. 3 is the structural representation of the interlock control structure in embodiment illustrated in fig. 1;

Fig. 4 is the structural representation of actuation part in locking/actuating assembly in embodiment illustrated in fig. 1;

Fig. 5 is the structural representation of the automatic telescoping mechanism of dead bolt in embodiment illustrated in fig. 1;

Fig. 6 is the unblank structural representation of unit of the mechanical type in embodiment illustrated in fig. 1;

Fig. 7 is the sectional drawing of the tapered end assembly in embodiment illustrated in fig. 1;

Fig. 8 is the perspective view of the part parts assembly relation in the structure shown in Figure 7;

Fig. 9 is the structural representation of the bolt extending control mechanism in embodiment illustrated in fig. 1;

Figure 10 is the structural representation on the cover plate top of operating mechanism in the door in embodiment illustrated in fig. 1;

Figure 11 is stereochemical structure exploded view locking piece and the locking piece installation shaft;

Figure 12 is the schematic diagram that shows locking piece and the mutual structural relation of dead bolt member;

Figure 13 is the structural representation of opening mechanism in the door in embodiment illustrated in fig. 1;

Figure 14 is the schematic diagram of the hook plate structure on the dead bolt in embodiment illustrated in fig. 1;

Figure 15 be reality in set the hook plate structure and the perspective view of dead bolt rocker compensating gear;

Figure 16 is the structural representation at locking states embodiment illustrated in fig. 1;

Figure 17 is the structural representation at unlocking condition embodiment illustrated in fig. 1;

Figure 18 is a kind of structural representation of replacing form of dead bolt opening mechanism of the present utility model.

Reference numeral is expressed as among the figure: the 1-front panel, the 2-lock housing, 3-dead bolt member, the automatic telescoping mechanism of 4-dead bolt, 5-push rod back-moving spring, 6-dead bolt back-moving spring, the 7-dead bolt stretches out spring, the 8-control structure that links, the 9-push rod, the 10-slide unit, the 10a-block, 11-dead bolt opening mechanism, 12-locking/actuating assembly, the 13a-mechanical type unit of unblanking, the 13b-electronic type unit of unblanking, the 14-bolt extending control mechanism, the 15-control member, the 16-actuated piece, the 17-slideway, 18, the 19-gap that links, the 20-set bar, the 21-sheet that links, the 22-lock part, the 23-actuation part, 24-controls projection, the 25-sleeve pipe, the 26-line of rabbet joint, 27-tapered end assembly, the 28-transmission mechanism, 29-transmission main element, 30-triggers crank, the 31-trigger end, the 32-support, 33-triggers pin, the 34-driving rack, the 35-guiding parts, 36-tapered end travelling gear, 37-locking projection, the 38-electromagnet, the 39-tapered end, 40-lock core shaft, the 41-bracing strut, 42-gear installation shaft, stressed of 43-, 44-stirs projection, the 45-tank filler sleeve, the 46-oil pipe, the 47-locking triggers assembly, the 48-lock assembly, 49-core hole, the hollow feeler lever of 50-, the 51-trigger end, 52-discharges bias piece, the 53-sliding pin, 54-locatees bias piece, the 55-locking component, the 56-locking stops, the 57-limiting convex block, 58-locking bias piece, 59-feeler lever slideway, 60-extended position adjusting part, 61-thrust parts, 62-regulates part, the 63-safe locking mechanism, handgrip in the 64-door, drive disk assembly is handled in the 65-locking, the 66-locking piece, 67-locking piece installation shaft, the 68-keyed end, the 69-locking mesh member of unblanking, 70-locking locking mesh member, the 71-transverse holes, the 72-retainer spring, the 73-positioning bead, 74-lock in place groove, 75-discharges locating slot, 76-handgrip axle, the 77-connection bump, the 78-connecting hole, 79-stirs pin, cranker in the 80-door, 81-opens the transmission control member, the 82-hook plate, the 83-pivotal axis, 84-hook plate locating hole, the 85-bias piece, the 86-positioning bead, 87-dead bolt rocker compensating gear, the 88-compensating tongue, the 89-biasing spring.

The specific embodiment

Referring to shown in Figure 1, automatic door lock of the present utility model comprises a lock housing 2 with front panel 1, forms dead bolt hole on the described front panel 1; One group of dead bolt member 3 is installed in the described lock housing 2; Automatic telescoping mechanism 4 of dead bolt is used to realize that described dead bolt member 3 opens and lockings, and the automatic telescoping mechanism 4 of described dead bolt stretches out spring 7 by a push rod back-moving spring 5, dead bolt back-moving spring 6, dead bolt and an interlock control structure 8 constitutes; Described push rod back-moving spring 5 acts on a biasing force that trends towards away from described front panel 1 on a push rod 9; Described dead bolt back-moving spring 6 acts between the fixed part A and slide unit 10 on the described lock housing 2, produces one and makes described slide unit 10 can drive the biasing force of described dead bolt member 3 away from described front panel 1; Described dead bolt stretches out spring 7 and acts between described dead bolt member 3 and the described slide unit 10, biasing force that makes both be tending towards separating of effect between described dead bolt member 3 and described slide unit 10; Described interlock control structure 8 acts between described push rod 9 and the described slide unit 10, and be subjected to a dead bolt opening mechanism 11 control realize between described push rod 9 and the described slide unit 10 interlock with separate; The action of the automatic telescoping mechanism 4 of the described dead bolt opening mechanism 11 described dead bolts of control.The described dead bolt member 3 of control stretches out the bolt extending control mechanism 14 on opportunity; A push rod 9 that is subjected to external thrust on the automatic telescoping mechanism 4 of described dead bolt, to produce initial thrust.Referring to Fig. 2, the opening mechanism of dead bolt described in the utility model 11 comprises a unit of unblanking that acts on the locking/actuating assembly 12 of described interlock control structure 8 and be used to control described locking/actuating assembly 12 actions; Described locking/actuating assembly 12 be made up of with the actuated piece 16 that separates with locking with respect to described control member 15 control member 15 that is connected on the described lock housing 2; Described control member 15 bears against at the lock of described interlock control structure 8 and states on the interlock sheet 21, mechanically be connected with described interlock control structure 8, control described interlock control structure 8 realize between described push rod 9 and the described slide unit 10 interlock with separate and the process of unblanking of the automatic telescoping mechanism 4 of described dead bolt; Described actuated piece 16 be subjected to the control of the described unit of unblanking realize with described control member 15 between locking with separate.

Referring to Fig. 3, described interlock control structure 8 of the present utility model comprises the slideway 17 that is arranged on one of described push rod 9 and described slide unit 10, in the present embodiment, described slideway 17 is arranged on the described push rod 9, described slide unit 10 is slidably disposed in the described slideway 17 on the described push rod 9, on the part that described push rod 9 and described slide unit 10 are slidingly connected, form corresponding interlock gap 18 at described push rod 9 with described slide unit 10 respectively, 19, a set bar 20 is connected on one of described push rod 9 or described slide unit 10 movably, in the present embodiment, described set bar 20 is arranged on the interlock sheet 21, described interlock sheet 21 is pivotally connected on the described push rod 9, and can insert described interlock gap 18, constitute linkage status in 19.Coming referring to Fig. 1, described dead bolt opening mechanism 11 applies a confining force on described interlock sheet 21, described set bar 20 is remained in the described gap 18,19, and when described confining force was cancelled, described set bar 20 withdrawed from one of them interlock gap 19 and remove linkage status.

Come again referring to Fig. 2, described control member 15 in described locking/actuating assembly 12 of the present utility model is articulated on lock housing 2 base plates, described control member 15 is subjected to the biasing force that a torsion spring applies, and this biasing force pushes described interlock gap 18,19 with described set bar 20 when described interlock gap 18,19 aligns; Described actuated piece 16 has a lock part 22, and described actuated piece 16 is subjected to a biasing force, and this biasing force makes described lock part 22 be tending towards locking mesh with described control member 15, keeps the maintenance thrust of described control member 15 on described set bar 20.

Referring to Fig. 4, described actuated piece 16 has actuation part 23, described actuation part 23 is subjected to the locking mesh that is used for removing described lock part 22 and described control member 15 of the described unit applied force of unblanking, and then cancels the maintenance thrust of described control member 15 on described set bar 20.Have a control projection 24 on the described control member 15, described control projection 24 can mesh with the described set bar 20 non-self-locking ground that are connected on the automatic telescoping mechanism 4 of described dead bolt; Under the effect of an additional latching force, described control projection 24 and the non-self-locking engagement fit that is connected the described set bar 20 on the automatic telescoping mechanism 4 of described dead bolt, make described lock part 22 and described control member 15 locking meshes, stop the automatic telescoping mechanism 4 of described dead bolt to moving away from described front panel 1.Described actuated piece 16 is pivotally connected on described lock housing 2 base plates, and a spring applies described biasing force on described actuated piece 16.

Referring to Fig. 5, described dead bolt back-moving spring 6 stretches out spring 7 coaxial settings with described dead bolt, and sleeve pipe 25 is arranged on described dead bolt back-moving spring 6 and described dead bolt stretches out between the spring 7.Further, an end of described dead bolt back-moving spring 6 acts on the fixed part A on the described lock housing 2, and the other end acts on (referring to Fig. 1 and Fig. 2) on the described slide unit 10; One end of described sleeve pipe 25 is fixed on the described dead bolt member 3, forms a line of rabbet joint 26 at the axis of the described sleeve pipe 25 in described sleeve pipe 25 upper edges, and the length of the described line of rabbet joint 26 equals the predetermined stroke of described dead bolt member 3 at least; Described dead bolt stretches out spring 7 and is arranged in the described sleeve pipe 25, and described dead bolt back-moving spring 6 and described slide unit 10 are enclosed within on the described sleeve pipe 25; Described slide unit 10 stretches out spring 7 with described dead bolt and combines by being molded over the described line of rabbet joint 26 on the described sleeve pipe 25, in the present embodiment, stretch out between spring 7 and the described slide unit 10 by a block 10a combine (seeing Fig. 1,2) at described dead bolt.

The described unit of unblanking comprises mechanical type unit 13a and the electronic type unit 13b that unblanks that unblanks.

Referring to Fig. 6.The described mechanical type unit 13a that unblanks comprises 27, one transmission mechanisms 28 of a tapered end assembly.Described transmission mechanism 28 comprises a transmission main element 29 that is connected to movably on the described lock housing 2, and a triggering crank 30 as the transmission trigger unit is set on the described transmission main element 29.In the present embodiment, described transmission main element 29 is the plate-shaped member that is fixed on the described dead bolt member 3, and one-body molded; Described triggering crank 30 and a driving rack 34 as driving parts that is arranged on the described transmission main element 29 are separately positioned on two sides of described transmission main element 29.Described driving rack 34 is slidingly arranged on the described transmission main element 29 by one group of guiding parts 35, and with described tapered end assembly 27 on tapered end travelling gear 36 engagement as the unlocking force output block, drive described transmission main element 29 and move.One end of the crank arm of described triggering crank 30 is pivotally connected on the described transmission main element 29 by crank axle, and the other end of described crank arm constitutes trigger end 31.Torsion spring as bias piece applies a biasing force that makes described trigger end 31 rely on the described actuation part 23 of described actuated piece 16 on described triggering crank 30.

The described trigger end 31 of described triggering crank 30 is provided with 32, one triggering pins 33 of a support and is supported on the described support 32; A wire spring is as described bias piece, with in the hole of a partial pressure on being molded over described triggering pin 33 and on the described support 32.Described support 32 has been arranged at a locking projection 37 near described actuated piece 16 1 sides, described locking projection 37 and parts of fixing at the moving direction of described dead bolt with respect to described lock housing 2 mesh and prevent illegally opening of dead bolt, and the parts of fixing at the moving direction of described dead bolt with respect to described lock housing 2 are a bossing on the described actuated piece 16 in the present embodiment; Also have a unlocking arm 30a at described triggering crank 30, described unlocking arm 30a can engage with described driving rack 34, when the direction of unblanking moves, drives the described bossing that described locking projection 37 breaks away from the described actuated piece 16 at described driving rack 34.

Described electronic type in the present embodiment unit 13b that unblanks comprises one group of electromagnet 38 and control corresponding device (not shown), the part of the ferrimagnet on actuated piece 16 that is arranged in the described dead bolt opening mechanism 11 is corresponding with described electromagnet 38, and interacts.

Referring to Fig. 7 and Fig. 8, the described tapered end assembly 27 of present embodiment has two tapered ends 39, the lock core shaft 40 of described tapered end 39 drives tapered end travelling gear 36 rotations coaxial mounted with it, and described tapered end travelling gear 36 cooperates with driving rack 34 in the described transmission mechanism 28.Further, described tapered end travelling gear 36 is installed on the bracing strut 41, form a gear installation shaft 42 on the described bracing strut 41, described gear installation shaft 42 is coaxial with described lock core shaft 40, be equipped with stressed 43 in the described lock core shaft 40, the sliding piece on described stressed 43 can stir that the axially outstanding projection 44 of stirring drives described tapered end travelling gear 36 and rotates on the described tapered end travelling gear 36.In a supporting member of described bracing strut 41, form the tank filler sleeve 45 that leads between described tapered end travelling gear 36 and the described gear installation shaft 42.Tank filler sleeve 45 on the described bracing strut 41 is connected on the described front panel 1 by an oil pipe 46.Form internal thread on the inner surface of described tank filler sleeve 45, described oil filling pipe 46 (being shown as chain-dotted line among the figure) forms external screw thread with the end that described tank filler sleeve 45 is connected, and described oil filling pipe 46 and described tank filler sleeve 45 are by being threaded togather.

Referring to Fig. 9, described bolt extending control mechanism 14 of the present utility model comprises that a locking triggers assembly 47 and a lock assembly 48, described locking triggers assembly 47 and comprises that has a hollow feeler lever 50 that stretches out the core hole 49 of direction setting along described dead bolt, described hollow feeler lever 50 is slidably mounted on the described dead bolt member 3, the one end constitutes trigger end 51, a helical spring axially applies a biasing force that makes described trigger end 51 outstanding described front panels 1 to described hollow feeler lever 50 as discharging the described core hole 49 of bias piece 52 along described 50, a sliding pin 53 is arranged in the described core hole 49 of described hollow feeler lever 50, a helical spring is axial along the described core hole 49 of described hollow feeler lever 50 as location bias piece 54, applies the biasing force that deviates from described trigger end 51 to described sliding pin 53; Described lock assembly 48 is arranged on the described dead bolt member 3 movably, in the present embodiment, described lock assembly 48 is installed on the described dead bolt member 3 pivotally by a bearing pin, it comprises a locking component 55, described locking component 55 have one under unlocking condition be fixed on described housing on the locking that cooperates of parts C stop 56 and limiting convex blocks 57 that cooperate with the positive stop end of described sliding pin 53, a torsion spring acts on one as locking bias piece 58 and trends towards described locking is stopped 56 generation effects on described locking component 55, both made described locking stop 56 trend towards can with the biasing force of parts C on described housing engagement, described locking stop 56 with described housing on fixed part C by be molded over described locking stop inclined-plane on 56 come for non-self-locking be connected combination.Described hollow feeler lever 50 is slidably mounted in the feeler lever slideway 59 that is fixed on the described dead bolt member 3, described release bias piece 52 is one and is enclosed within on the described hollow feeler lever 50, and acts on the helical spring between described hollow feeler lever 50 and the described feeler lever slideway 59.Described positive stop end at described sliding pin 53 forms an inclined-plane towards a side of the described limiting convex block 57 of described locking component 55, this inclined-plane produces the trend that described sliding pin 53 is moved to the described trigger end 51 of described hollow feeler lever 50 under the compressing of described limiting convex block 57.Described locking component 55 is a locking plate that is installed in pivotally on the described dead bolt member 3, in the side of described locking plate near described lock assembly 48, extends a ledge; Described ledge is provided with described limiting convex block 57 towards the one side of described lock assembly 48, and described limiting convex block 57 cooperates with the described positive stop end of described sliding pin 53 and limits described locking plate moving towards described lock assembly 48; At the opposite side of described locking plate, form be used for be fixed on described lock housing 2 on the described locking that cooperates of parts C stop 56.An extended position adjusting part 60 is arranged between described hollow feeler lever 50 and the described lock housing 2.Described extended position adjusting part 60 comprises the thrust parts 61 and the adjusting part 62 that has the inclined-plane that is arranged between described thrust parts 61 and the described lock housing 2 that are fixedly attached on the described hollow feeler lever 50.In the present embodiment, described thrust parts 61 are exactly a part that adopts the front panel 1 of lock housing, and described adjusting part 62 adopts a screw, and wherein the screw thread of screw is as the inclined-plane of described adjusting part 62.

Referring to Figure 10 to Figure 12, the automatic door lock of present embodiment also comprises operating mechanism in the door, comprise that one is arranged on handgrip 64 in 63, one doors of safe locking mechanism on the described lock housing 2 and is arranged on locking manipulation drive disk assembly 65 between an interior handgrip 64 and the described safe locking mechanism 63.Described safe locking mechanism 63 comprises that 66, one of locking pieces are installed in rotation on locking piece installation shaft 67 on the described lock housing 2 with described locking piece 66; Described locking piece 66 constitutes a rocker structure with described locking piece installation shaft 67, described locking piece 66 is a keyed end 68 away from an end of described locking piece installation shaft 67, described keyed end 68 respectively be fixed on described dead bolt member 3 on unblank locking mesh member 69 and locking locking mesh member 70 cooperate, come respectively described dead bolt member 3 to be locked in lockset position of coupler and locked position.Described keyed end 68 forms a bossing, and the described locking mesh member 69 of unblanking is a groove that can mesh together with the bossing of described keyed end 68 under unlocking condition, and described locking locking mesh member 70 is the side end face of a described dead bolt member 3 that can mesh with the bossing of described keyed end 68 under locking states.Forming one in the described locking piece installation shaft 67 is 71, one retainer springs 72 of vertically arranged transverse holes and is arranged in the described transverse holes 71 with described locking piece installation shaft 67; Openend in described transverse holes 71 is provided with a positioning bead 73 that is subjected to the biasing force of described retainer spring 72 outside the hole, forms with the corresponding lock in place groove 74 of latched position and off-position of the keyed end 68 of described locking piece 66 in adjacent described lock housing 2 positions with described keeper installation shaft and discharges locating slot 75.The handgrip axle 76 that drive disk assembly 65 makes handgrip 64 in the described door is handled in described locking, described handgrip axle 76 is realized being connected with two connecting holes 78 on being molded over described locking piece installation shaft 67 by two connection bumps 77 that are arranged on described handgrip axle 76 respective end with described locking piece installation shaft 67, two connecting holes 78 of moulding extend along the axis of described locking piece installation shaft 67 on the described locking piece installation shaft 67, and are arranged in the both sides of described transverse holes 71.

Referring to Figure 13, automatic door lock of the present utility model also comprises opening mechanism in the door, and opening mechanism has a cranker 80 in the door on the cover plate that is arranged on described lock housing 2 and mechanically connects in the described door unlatching transmission control member 81 of handgrip 64 in the cranker 80 and described door in the described door; In the described door crank arm of cranker 80 be arranged on one that described mechanical type unblanks on the described transmission main element 29 of unit 13a and stir pin 79 engagements, open described dead bolt opening mechanism 11.Cranker 80 has a driven gear coaxial with its crank axle in the described door, and described unlatching transmission control member 81 is a driving gear that is driven by the handgrip axle 76 of described handgrip 64, and described driving gear and described driven gear are meshing with each other.

Referring to Figure 14 and Figure 15, the both sides of the dead bolt of described dead bolt member 3 are provided with hook plate 82, described hook plate 82 is in the cavity of described dead bolt, one end of described hook plate 82 is articulated on the described dead bolt by a pivotal axis 83, under an end of hook plate 82 buckles can be when described dead bolt be in unlocking condition the cavity of the described dead bolt of retraction, and be in the outstanding described dead bolt of locking states at described dead bolt; Form a hook plate locating hole 84 parallel on the described hook plate 82 with described pivotal axis 83, a helical spring is arranged in the described hook plate locating hole 84 as bias piece 85, a positioning bead 86 is arranged on the openend of described hook plate locating hole 84, and is subjected to the described bias piece 85 effects biasing force that moves outside described hook plate locating hole 84 thereon; On described dead bolt, form at the groove of described hook plate 82 at extrusion position and retracted position correspondence and described positioning bead 86.

Referring to Figure 15, because the hook plate structure on the above-mentioned dead bolt has been reserved certain space on dead bolt, thereby a dead bolt rocker compensating gear 87 can be set on described dead bolt directly, described dead bolt rocker compensating gear 87 comprises the gap compensating tongue 88 of a band gradient that is arranged between described lock housing 2 and the dead bolt, a biasing spring 89 applies a biasing force that stretches out direction to described dead bolt on described compensating tongue 88, when door is locked, the inclined-plane of compensating tongue 88 is under the effect of described biasing spring 89, wedge between the gap of described lock housing 2 and described dead bolt, reduced the locking gap of door lock.

The automatic locking of present embodiment was in the state shown in Fig. 1,2 before closing the door.In the process of closing the door, described push rod 9 is at first accepted external thrust, described push rod 9 slides towards the direction of the described front panel 1 of described lock housing 2,9 pairs of push rod back-moving spring 5 applied thrusts that directly link to each other with push rod 9 of described push rod this moment, push rod back-moving spring 5 is stretched, slide unit 10 slides to the direction of lock housing 2 front panels 1 with push rod 9 under the drive of described interlock control structure 8 simultaneously, and described dead bolt back-moving spring 6 and described dead bolt stretch out spring 7 by described slide unit 10 compressions.At this moment, because described push rod back-moving spring 5, one end of dead bolt back-moving spring 6 acts on the fixture A of described lock housing 2, on the B, therefore push rod back-moving spring 5 acts on the biasing force that it is resetted on described push rod 9, and dead bolt back-moving spring 6 also acts on the biasing force that it is resetted on slide unit 10, simultaneously because locked between described slide unit 10 and the described push rod 9, stretched out spring 7 by described dead bolt by described slide unit 10 and on described dead bolt member 3, act on one and trend towards making described dead bolt member 3 to stretch out the potential energy that lock out that the direction of described front panel 1 moves to dead bolt to front panel 1 passing.When door entered doorframe, the roller collision doorframe on the described trigger end 51 of the described hollow feeler lever 50 in the described bolt extending control mechanism 14 made described hollow feeler lever 50 retractions.When described trigger end 51 runs into dead bolt hole on the doorframe, described hollow feeler lever 50 ejects under the effect of described release bias piece 52, the described sliding pin 53 that drive is arranged in the described core hole 49 under the effect of frictional force moves simultaneously, thereby has discharged the described limiting convex block 57 by 53 blocks of described sliding pin; At this moment, because described lock piece 55 has lost position-limiting action, stretch out at described dead bolt under the thrust of spring 7, described locking stops that 56 just can go up slippage from the fixed part A on the described lock housing.Make described dead bolt spring in the dead bolt hole on the doorframe, finished the process of locking.This moment, lock of the present utility model was in locking states shown in Figure 16.

When opening the door, as shown in figure 17, the automatic telescoping mechanism of described dead bolt of present embodiment is by certain mode of unblanking, for example utilize the mechanical type unit 10a that unblanks, key with coupling rotates tapered end travelling gear 36 as the unlocking force output block on described tapered end, and then the described driving rack 34 that drives on the described transmission main element 29 is done short-range slip on described transmission main element 29, run into the described triggering crank 30 that is installed in equally on the described transmission main element 29 when described driving rack 34, and overcome on it bias piece apply on the described triggering crank 30 make described triggering crank 30 trend towards with described actuated piece 16 on the biasing force of bossing engagement, make described triggering crank 30 from removing, avoid the described locking projection 37 on the described triggering crank 30 to mesh the locking effect that produces with a bossing on the described actuated piece 16 with a bossing position engaged on the described actuated piece 16.At this moment, described driving rack 34 further drive described transmission main elements 29 and the described dead bolt member 3 that is fixed together with described transmission main element 29 mobile to described lock housing 2 in.When in the described lock housing 2 of described dead bolt member 3 retractions, described triggering pin 33 on the described triggering crank 30 drives described actuated piece 16 and rotates, make described lock part 22 on the described actuated piece 16 leave described control member 15 in the automatic telescoping mechanism of described dead bolt, remove locking described control member 15.Described actuated piece 16 no longer limits the position of the described interlock sheet 21 in the interlock control structure 8.At this moment, under the partial pressure of described dead bolt back-moving spring 6, make the relative motion between described push rod 9 and the described slide unit 10 that the set bar 20 on the described interlock sheet 21 is pushed away described interlock gap 19, remove the locking between described push rod 9 and the described slide unit 10.At this moment, described slide unit 10 moves to described lock housing 2 rear board directions under the partial pressure of described dead bolt back-moving spring 6, described push rod 9 moves to the direction away from described lock housing 2 front panels 1 under the partial pressure of described push rod back-moving spring 5, dead bolt member 3 enters described lock housing 2 body directions to dead bolt and moves under the drive of slide unit 10, drives the slide down bolt simultaneously and regains.Simultaneously, described lock piece 55 is at the used fixed part A that relies on down on the described lock housing that is fixed on the described lock housing 2 of the biasing force of its bias piece, and making described limiting convex block 57 come back to the position of ending by described sliding pin 53 cards, automatic door lock of the present utility model like this is in the opening shown in Fig. 1,2 again.In the present embodiment, described electronic type is unblanked unit 13b when work, start described electromagnet 38 by the control corresponding device, under the magnetic attraction effect of described electromagnet 38, the described bossing of irony is attracted to described electromagnet 38 on the described actuated piece 16, make described actuated piece 16 rotate, and make described lock part 22 on it leave described control member 15 in the automatic telescoping mechanism of described dead bolt, the locking of removing described control member 15 realizes the process of unblanking.

As seen from the above-described embodiment, unit 13a and the electronic type unit 13b that unblanks that unblanks of the mechanical type in the described unit of unblanking independently finishes separately the course of work.Therefore, mechanical type unit 13a or the electronic type unit 13b that unblanks that unblanks also can only be arranged in the above-described embodiments.

Figure 18 has shown the structural representation of a kind of alternative form of described dead bolt opening mechanism of the present utility model.The projection of a punch forming of employing on described actuated piece 16 is as described lock part 22 on described locking/actuating assembly 12 in described locking/actuating assembly 12 wherein and Fig. 1 dead bolt opening mechanism to the embodiment shown in Figure 17 locking/releasing structure that different is between described control member 15 and the described actuated piece 16, the described actuation part 23 of described on the other hand actuated piece 16 forms the swash plate that a moving direction with described transmission main element 29 becomes a fixed inclination, at described transmission main element 29 when the direction of unblanking moves, a described trigger end 31 that swingingly is installed in the described triggering crank 30 on the described transmission main element 29 promotes described swash plate, make described actuated piece 16 to contact with described control member 15 fixed direction rotate, once realize control to described interlock control structure 8.A stopper slot limits the hunting range of described triggering crank 30, guarantees the validity of the work of described triggering crank 30.

Can find out apparently by above embodiment, described actuated piece 16 is not mustn't make on the base plate that is installed in described lock housing 2 rotationally, for example can adopt and stretch out the vertical slideway of direction with dead bolt and be installed on the base plate of described lock housing 2, and adopt as the mode of above-mentioned swash plate with as described in the motion of the triggering workpiece that links to each other of dead bolt member 3 convert to along the moving of the actuated piece 16 of slideway direction, equally well to finish task of the present invention.

Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.

Claims (42)

1. automatic door lock comprises

Lock housing (2) with front panel (1), described front panel forms dead bolt hole on (1);

One group of dead bolt member (3) is installed in the described lock housing (2);

An automatic telescoping mechanism of dead bolt (4) is used to realize described dead bolt member (3) unlatching and locking, and the automatic telescoping mechanism of described dead bolt (4) stretches out spring (7) and an interlock control structure (8) formation by a push rod (9) back-moving spring (5), a dead bolt back-moving spring (6), a dead bolt; Described push rod (9) back-moving spring (5) is gone up biasing force that trends towards away from described front panel (1) of effect at a push rod (9); Described dead bolt back-moving spring (6) acts between a described lock housing (2) and the slide unit (10), produces to make a slide unit (10) can drive the biasing force of described dead bolt member (3) away from described front panel (1); Described dead bolt stretches out spring (7) and acts between described dead bolt member (3) and the described slide unit (10), biasing force that makes both be tending towards separating of effect between described dead bolt member (3) and described slide unit (10); Described interlock control structure (8) acts between described push rod (9) and the described slide unit (10), and be subjected to a dead bolt opening mechanism (11) control realize between described push rod (9) and the described slide unit (10) interlock with separate;

The dead bolt opening mechanism (11) of a control automatic telescoping mechanism of described dead bolt (4) action, described dead bolt opening mechanism (11) comprise a unit of unblanking that acts on the locking/actuating assembly (12) of described interlock control structure (8) and be used to control described locking/actuating assembly (12) action;

A described dead bolt member of control (3) stretches out the bolt extending control mechanism (14) on opportunity;

One is subjected to external thrust to go up the push rod (9) that produces initial thrust at the automatic telescoping mechanism of described dead bolt (4);

It is characterized in that

Described locking/actuating assembly (12) is made up of with locking with the actuated piece that separates (16) with respect to described control member (15) the control member (15) that is connected on the described lock housing (2); Described control member (15) mechanically is connected with described interlock control structure (8), control described interlock control structure (8) realize between described push rod (9) and the described slide unit (10) interlock with separate and the process of unblanking of the automatic telescoping mechanism of described dead bolt (4); Described actuated piece (16) be subjected to the control of the described unit of unblanking realize with described actuated piece (16) between locking with separate.

2. automatic door lock according to claim 1, it is characterized in that described interlock control structure (8) comprises the slideway (17) that is arranged on one of described push rod (9) and described slide unit (10), described push rod (9) is slidingly connected by described slideway (17) with described slide unit (10), on the part that described push rod (9) and described slide unit (10) are slidingly connected, on described push rod (9) and described slide unit (10), form corresponding interlock gap (18 respectively, 19), a set bar (20) is connected on one of described push rod (9) or described slide unit (10) movably, and under the effect of a bias voltage thrust, can insert described interlock gap (18,19) constitute linkage status in, described dead bolt opening mechanism (11) applies a confining force on described set bar (20), make described set bar (20) remain on described gap (17,18) in, and when described confining force was cancelled, described set bar (20) withdrawed from least one interlock gap (18,19) remove linkage status.

3. automatic door lock according to claim 2 is characterized in that described set bar (20) is arranged on the interlock sheet (21), and described interlock sheet (21) is pivotally connected on one of described push rod (9) and described slide unit (10); The confining force of described dead bolt opening mechanism (11) is applied on the described set bar (20) by described interlock sheet (21).

4. automatic door lock according to claim 1, it is characterized in that the described control member (15) that comprises in described locking/actuating assembly (12) is articulated on lock housing (2) base plate, described control member (15) is subjected to a biasing force, this biasing force pushes described interlock gap (18,19) with described set bar (20) as the maintenance thrust that acts on the described set bar (20) when described interlock gap (18,19) aligns; Described actuated piece (16) has a lock part (22), described actuated piece (16) be subjected to a biasing force keep described lock part (22) can with described control member (15) locking mesh, keep the maintenance thrust of described control member (15) on described set bar (20); Described actuated piece (16) has actuation part (23), described actuation part (23) is subjected to the locking mesh that is used for removing described lock part (22) and described control member (15) of the described unit applied force of unblanking, and then cancels the maintenance thrust of described control member (15) on described set bar (20).

5. automatic door lock according to claim 4 is characterized in that further having on the described control member (15) a control projection (24), and described control projection (24) can mesh with the non-self-locking of the parts ground that is connected on the automatic telescoping mechanism of described dead bolt (4); Under the effect of an additional latching force, described control projection (24) and the non-self-locking engagement fit that is connected the automatic telescoping mechanism of described dead bolt (4) upper-part, make described lock part (22) and described control member (15) locking mesh, stop the automatic telescoping mechanism of described dead bolt (4) to moving away from described front panel (1).

6. automatic door lock according to claim 4 is characterized in that described actuated piece (16) is pivotally connected on described lock housing (2) base plate, and a spring applies described biasing force on described actuated piece (16).

7. automatic door lock according to claim 1 is characterized in that described dead bolt back-moving spring (6) and described dead bolt stretch out the coaxial setting of spring (7), and a sleeve pipe (25) is arranged on described back-moving spring and described dead bolt stretches out between the spring (7).

8. automatic door lock according to claim 7 it is characterized in that an end of described dead bolt back-moving spring (6) acts on the described lock housing (2), and the other end acts on the described slide unit (10); One end of described sleeve pipe (25) is fixed on the described dead bolt member (3), and forms a line of rabbet joint (26) at the axis of the described sleeve pipe in described sleeve pipe (25) upper edge (25), and the length of the described line of rabbet joint (26) equals the predetermined stroke of described dead bolt member (3) at least; Described dead bolt stretches out spring (7) and is arranged in the described sleeve pipe (25), and described dead bolt back-moving spring (6) and described slide unit (10) are enclosed within on the described sleeve pipe (25); Described slide unit (10) stretches out spring (7) with described dead bolt and combines by being molded over the described line of rabbet joint (26) on the described sleeve pipe (25).

9. automatic door lock according to claim 1 is characterized in that the described unit of unblanking comprises mechanical type unit (13a) or the electronic type unit (13b) of unblanking of unblanking, perhaps mechanical type unit (13a) and the electronic type combination of unit (13b) of unblanking of unblanking; The described mechanical type unit (13a) of unblanking comprises a tapered end assembly (27), a transmission mechanism (28).

10. automatic door lock according to claim 9 is characterized in that described transmission mechanism (28) comprises a transmission main element (29) that is connected to movably on the described lock housing (2), is provided with a transmission trigger unit on the described transmission main element (29).

11. automatic door lock according to claim 10, it is characterized in that described transmission main element (29) is for being fixed on the plate-shaped member on the described dead bolt member (3), described triggering crank (30) is separately positioned on two sides of described transmission main element (29) with a driving parts that is arranged on the described transmission main element (29), unlocking force output block engagement on described driving parts and the described tapered end assembly (27) drives described transmission main element (29) and moves.

12. automatic door lock according to claim 10, it is characterized in that institute's transmission trigger unit comprises a triggering crank (30) that is pivotally connected on the described transmission main element (29), one end of the crank arm of described triggering crank (30) is connected on the described transmission main element (29) by crank axle, and the other end of described crank arm constitutes trigger end (31).

13. automatic door lock according to claim 12 is characterized in that a bias piece applies a biasing force that makes described trigger end (31) rely on the described actuation part (23) of described actuated piece (16) on described triggering crank (30).

14. automatic door lock according to claim 12 is characterized in that the described trigger end (31) of described triggering crank (30) is provided with a support (32), one is triggered pin (33) and is supported on the described support (32); A wire spring is as described bias piece, with in the hole of a partial pressure on being molded over described triggering pin (33) and on the described support (32).

15. according to any described automatic door lock in the claim 9 to 14, it is characterized in that described driving parts is a driving rack (34), described driving rack (34) is slidingly arranged on the described transmission main element (29) by one group of guiding parts (35).

16. automatic door lock according to claim 15, it is characterized in that described support (32) has been arranged at a locking projection (37) near described actuated piece (16) one sides, described locking projection (37) is roughly stretched out the fixing parts of direction with respect to described lock housing (2) along described dead bolt and is meshed and prevent illegally opening of dead bolt with one; Also has a unlocking arm (30a) at described triggering crank (30), described unlocking arm (30a) can mesh with described driving rack (34),, when the direction of unblanking moves, drive described locking projection (37) and break away from described fixing parts at described driving rack (34).

17. automatic door lock according to claim 9, it is characterized in that the described electronic type unit (13b) of unblanking comprises one group of electromagnet (38) and control corresponding device, the part of the ferrimagnet on actuated piece (16) that is arranged in the described dead bolt opening mechanism (11) is corresponding with described electromagnet (38), and interacts.

18. automatic door lock according to claim 9, it is characterized in that described tapered end assembly (27) has at least one tapered end (39), the lock core shaft (40) of described tapered end (39) drives a tapered end travelling gear coaxial mounted with it (36) rotation, and described tapered end travelling gear (36) cooperates with driving rack (34) in the described transmission mechanism (28).

19. automatic door lock according to claim 18, it is characterized in that described tapered end travelling gear (36) is installed on the bracing strut (41), form a gear installation shaft (42) on the described bracing strut (41), described gear installation shaft (42) is coaxial with described lock core shaft (40), be equipped with in the described lock core shaft (40) stressed (43), the sliding piece on described stressed (43) can be stirred the upward axially outstanding projection (44) of stirring of described tapered end travelling gear (36) and drive described tapered end travelling gear (36) rotation.

20. automatic door lock according to claim 19 is characterized in that forming the tank filler sleeve (45) that leads between described tapered end travelling gear (36) and the described gear installation shaft (42) in a supporting member of described bracing strut (41).

21. automatic door lock according to claim 20 is characterized in that the tank filler sleeve (45) on the described bracing strut (41) is connected on the described front panel (1) by an oil pipe (46).

22. automatic door lock according to claim 21, it is characterized in that forming internal thread on the inner surface of described tank filler sleeve (45), described oil filling pipe (46) forms external screw thread with the end that described tank filler sleeve (45) is connected, and described oil filling pipe (46) and described tank filler sleeve (45) are by being threaded togather.

23. automatic door lock according to claim 1, it is characterized in that described bolt extending control mechanism (14) comprises that a locking triggers an assembly (47) and a lock assembly (48), described locking triggers assembly (47) and comprises that has a hollow feeler lever (50) that stretches out the core hole (49) of direction setting along described dead bolt, described hollow feeler lever (50) is slidably mounted on the described dead bolt member (3), the one end constitutes trigger end (51), a release bias piece (52) axially applies a biasing force that makes the outstanding described front panel (1) of described trigger end (51) to described hollow feeler lever (50) along the described core hole (49) of described hollow feeler lever (50), a sliding pin (53) is arranged in the described core hole (49) of described hollow feeler lever (50), a location bias piece (54) is axial along the described core hole (49) of described hollow feeler lever (50), applies the biasing force that deviates from described trigger end (51) to described sliding pin (53); Described lock assembly (48) is arranged on the described dead bolt member (3) movably, it comprises a locking component (55), described locking component (55) have one under unlocking condition be fixed on described housing on the locking that cooperates of parts stop (56) and a limiting convex block (57) that cooperates with the positive stop end of described sliding pin (53), a locking bias piece (58) is gone up biasing force that trends towards described limiting convex block (57) generation effect of effect at described locking component (55), and described locking stops being connected of fixed part on (56) and the described housing with being combined into non-self-locking.

24. automatic door lock according to claim 23, it is characterized in that described hollow feeler lever (50) is slidably mounted in the feeler lever slideway (59) that is fixed on the described dead bolt member (3), described release bias piece (52) is one and is enclosed within on the described hollow feeler lever (50), and acts on the helical spring between described hollow feeler lever (50) and the described feeler lever slideway (59).

25. automatic door lock according to claim 23, it is characterized in that forming an inclined-plane towards a side of the described limiting convex block (57) of described locking component (55) at the described positive stop end of described sliding pin (53), this inclined-plane is under the compressing of described limiting convex block (57), and generation makes described sliding pin (53) to the mobile trend of the described trigger end (51) of described hollow feeler lever (50).

26. automatic door lock according to claim 23, it is characterized in that described locking component (55) is a locking plate that is installed in pivotally on the described dead bolt member (3), in the side of described locking plate, extend a ledge near described lock assembly (48); Described ledge is provided with described limiting convex block (57) towards the one side of described lock assembly (48), and described limiting convex block (57) cooperates with the described positive stop end of described sliding pin (53) and limits described locking plate moving towards described lock assembly (48); At the opposite side of described locking plate, form be used for be fixed on described lock housing (2) on the described locking that cooperates of parts stop (56).

27. automatic door lock according to claim 23 is characterized in that an extended position adjusting part (60) is arranged between described hollow feeler lever (50) and the described lock housing (2).

28. automatic door lock according to claim 27 is characterized in that described extended position adjusting part (60) comprises thrust parts (61) and an adjusting part (62) that has the inclined-plane that is arranged between described thrust parts (61) and the described lock housing (2) that is fixedly attached on the described hollow feeler lever (50).

29. automatic door lock according to claim 1, it is characterized in that also comprising operating mechanism in the door, comprise a safe locking mechanism (63) that is arranged on the described lock housing (2), drive disk assembly (65) is handled in an interior handgrip (64) of door and the locking that is arranged between an interior handgrip (64) and the described safe locking mechanism (63).

30. automatic door lock according to claim 29 is characterized in that described safe locking mechanism (63) comprises a locking piece (66), one is installed in rotation on locking piece installation shaft (67) on the described lock housing (2) with described locking piece (66); Described locking piece (66) constitutes a rocker structure with described locking piece installation shaft (67), described locking piece (66) is keyed end (68) away from an end of described locking piece installation shaft (67), described keyed end (68) respectively be fixed on described dead bolt member (3) on unblank locking mesh member (69) and locking locking mesh member (70) cooperate, come respectively described dead bolt member (3) to be locked in lockset position of coupler and locked position.

31. automatic door lock according to claim 30, it is characterized in that described keyed end (68) forms a bossing, and the described locking mesh member (69) of unblanking is a groove that can mesh together with the bossing of described keyed end (68) under unlocking condition, and described locking locking mesh member (70) is the side end face of a described dead bolt member (3) that can mesh with the bossing of described keyed end (68) under locking states.

32. automatic door lock according to claim 30, it is characterized in that forming in the described locking piece installation shaft (67) one with described locking piece installation shaft (67) be vertically arranged transverse holes (71), a retainer spring (72) is arranged in the described transverse holes (71); Openend in described transverse holes (71) is provided with a positioning bead (73) that is subjected to the biasing force of described retainer spring (72) outside the hole, forms with the latched position and the corresponding lock in place groove in off-position (74) of the keyed end (68) of described locking piece (66) in adjacent described lock housing (2) position with described locking piece installation shaft (67) and discharges locating slot (75).

33. automatic door lock according to claim 30, it is characterized in that the handgrip axle (76) of described locking manipulation drive disk assembly (65) for handgrip (64) in the described door, described handgrip axle (76) is realized being connected with two connecting holes (78) on being molded over described locking piece installation shaft (67) by two connection bumps (77) that are arranged on described handgrip axle (76) respective end with described locking piece installation shaft (67), described locking piece installation shaft (67) goes up the axis extension of two connecting holes (78) of moulding along described locking piece installation shaft (67), and is arranged in the both sides of described transverse holes (71).

34. automatic door lock according to claim 1, it is characterized in that also comprising opening mechanism (79) in the door, opening mechanism (79) has a cranker (80) in the door on the cover plate that is arranged on described lock housing (2) and mechanically connects in the described door unlatching transmission control member (81) of handgrip (64) in the cranker (80) and described door in the described door; In the described door crank arm of cranker (80) be connected one that described mechanical type unblanks on the described transmission main element (29) of unit (13a) and stir pins engages, open described dead bolt opening mechanism (11).

35. automatic door lock according to claim 34, it is characterized in that cranker (80) has a driven gear coaxial with its crank axle in the described door, described unlatching transmission control member (81) is a driving gear that is driven by the handgrip axle (76) of described handgrip (64), and described driving gear and described driven gear are meshing with each other.

36., it is characterized in that between the percussion face of described dead bolt member (3) and described lock housing (2), being provided with cushion pad according to any described automatic door lock in the claim 1 to 14.

37. according to any described automatic door lock in the claim 1 to 14, the both sides that it is characterized in that the dead bolt of described dead bolt member (3) are provided with hook plate (82), described hook plate (82) is in the cavity of described dead bolt, one end of described hook plate (82) is articulated on the described dead bolt, under an end of hook plate (82) buckle can be when described dead bolt be in unlocking condition the cavity of the described dead bolt of retraction, and be in the outstanding described dead bolt of locking states at described dead bolt; Form a hook plate locating hole (84) parallel on the described hook plate (82) with described pivotal axis, a bias piece is arranged in the described hook plate locating hole (84), a positioning bead (86) is arranged on the openend of described hook plate locating hole (84), and is subjected to the described bias piece effect biasing force that moves outside described hook plate locating hole (84) thereon; On described dead bolt, form at the groove of described hook plate (82) at extrusion position and retracted position correspondence and described positioning bead (86).

38. according to any described automatic door lock in the claim 1 to 14, it is characterized in that described dead bolt is provided with a dead bolt rocker compensating gear (87), described dead bolt rocker compensating gear (87) comprises the gap compensating tongue (88) of a band gradient that is arranged between described lock housing (2) and the dead bolt, a biasing spring (89) applies a biasing force that stretches out direction to described dead bolt on described compensating tongue (88), when door is locked, the inclined-plane of compensating tongue (88) is under the effect of described biasing spring (89), wedge between the gap of described lock housing (2) and described dead bolt, reduced the locking gap of door lock.

39. a dead bolt opening mechanism comprises a unit of unblanking that acts on the locking/actuating assembly (12) of described interlock control structure (8) and be used to control described locking/actuating assembly (12) action;

It is characterized in that

Described locking/actuating assembly (12) is made up of with locking with the actuated piece that separates (16) with respect to described control member (15) the control member (15) that is connected on the described lock housing (2); Described control member (15) mechanically is connected with described interlock control structure (8), control described interlock control structure (8) realize between described push rod (9) and the described slide unit (10) interlock with separate and the process of unblanking of the automatic telescoping mechanism of described dead bolt (4); Described actuated piece (16) be subjected to the control of the described unit of unblanking realize with described actuated piece (16) between locking with separate.

40. according to the described described dead bolt opening mechanism of claim 39, it is characterized in that the described control member (15) that comprises in described locking/actuating assembly (12) is articulated on lock housing (2) base plate, described control member (15) is subjected to a biasing force, this biasing force pushes described interlock gap (18,19) with described set bar (20) as the maintenance thrust that acts on the described set bar (20) when described interlock gap (18,19) aligns; Described actuated piece (16) has a lock part (22), described actuated piece (16) be subjected to a biasing force keep described lock part (22) can with described control member (15) locking mesh, keep the maintenance thrust of described control member (15) on described set bar (20); Described actuated piece (16) has actuation part (23), described actuation part (23) is subjected to the locking mesh that is used for removing described lock part (22) and described control member (15) of the described unit applied force of unblanking, and then cancels the maintenance thrust of described control member (15) on described set bar (20).

41. according to the described described dead bolt opening mechanism of claim 40, it is characterized in that further having on the described control member (15) a control projection (24), described control projection (24) can mesh with the non-self-locking of the parts ground that is connected on the automatic telescoping mechanism of described dead bolt (4); Under the effect of an additional latching force, described control projection (24) and the non-self-locking engagement fit that is connected the automatic telescoping mechanism of described dead bolt (4) upper-part, make described lock part (22) and described control member (15) locking mesh, stop the automatic telescoping mechanism of described dead bolt (4) to moving away from described front panel (1).

42. according to the described described dead bolt opening mechanism of claim 40, it is characterized in that described actuated piece (16) is pivotally connected on described lock housing (2) base plate, a spring applies described biasing force on described actuated piece (16).

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