Escape lock
Technical field
The present invention relates to a kind of lock body, particularly the escape lock of hotel or family expenses.The maximum feature of described escape lock is put on lock without the need to door outer handle is counter but can regains whole dead bolt (latch bolt and square tongue) when indoor turn the handle thus opened door leaf rapidly simultaneously.Described escape lock has another name called safety lock.
Background technology
Existing escape lock, if application number is 200920117599.1, name is called the structure disclosed by lock body of escape lock, the square core pendulum comprising lock, square tongue, square tongue connecting plate, supporting plate, latch bolt, latch bolt connecting rod, upper and lower core shift fork and be clipped between upper and lower core shift fork, upper and lower core shift fork is connected to latch bolt connecting rod, link gear between side's core pendulum and square tongue connecting plate is for drive bar, limited impression in the middle part of driving bar is for promoting supporting plate, remove the locking of supporting plate the other side tongue connecting plate and spacing to supporting plate, drive the arc driver slot on bar to retract for the side's of drive tongue connecting plate.Although the structure of this kind of lock body is simple but its function is very simple, its security performance is very low.Such as application number is 201120099599.0 again, name is called the document of escape lock, disclose to be provided with in lock body base point escape sheet stirring both sides, lower end standing in pull-fork assembly and on carry sheet, on carry sheet and escape sheet inverse at pull-fork assembly respectively, when rotating clockwise can on lock body base on carry bobbin and escape bobbin rotate, be respectively equipped with the escape that can promote escape solution latch hook that clamp up slides and promotion side's hyoplastron sliding horizontal inward below fugitive raw cook and push away hook, upper carry also to be respectively equipped with below sheet can promote that clamp up slides on carry separate latch hook and promotion side's hyoplastron outward sliding horizontal on carry hook of locking a door.Although this kind of lock body has escaping function but safety still poor and structure also more complicated.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes the escape lock of new construction, comprises lock body, it is characterized in that, described lock body comprises lock housing body, is contained in the Fang She mechanism in described lock housing body, latch bolt mechanism and anti-tongue mechanism; Wherein, the described Fang She mechanism side's of comprising tongue, the square tongue being connected described side's tongue connect block and described side's tongue can be driven to connect the square tongue driver of block movement, described side's tongue driver rotates and is arranged on described lock housing body, described side's tongue driver is provided with the medium pore that can be connected with handle square iron, described side's tongue driver is also provided with wiper arm, and described side's tongue connects engagement groove block being provided with and can coordinating with described wiper arm transmission; Described latch bolt mechanism comprises latch bolt, is connected the latch bolt connecting rod of described latch bolt, and described latch bolt connecting rod is set with the first back-moving spring; Described anti-tongue mechanism comprises can the safety tongue of resilient movement and anti-inserted block, and described anti-inserted block rotates the side that is arranged on described latch bolt connecting rod and combines the second back-moving spring, and the top of described anti-inserted block can be attached to the breech face of described latch bolt; Described safety tongue combines described anti-inserted block thus the breech face of described latch bolt is left on the top that can promote described anti-inserted block when described safety tongue stretches out, and described safety tongue by lock housing body described in compression and back time, described safety tongue can dodge described anti-inserted block, and under the driving of described second back-moving spring, the top of described anti-inserted block is close to the breech face of described latch bolt; Also comprise with door handle in conjunction with the handle moving block of transmission and the linkage block being arranged on described handle moving block side, the tail end of described linkage block rotates and is arranged on described lock housing body and combines the 3rd back-moving spring, and the head end of described linkage block is provided with two diverging arms i.e. the first diverging arms and the second diverging arms; Secondly, described linkage block is provided with column, on described handle moving block, radial direction is provided with a pair goat's horn, radial angle described in a pair between goat's horn is less than 180 °, connected by curved portions between goat's horn described in a pair, described curved portions leans described curved portions on described column thus when rotating described handle moving block clockwise or counterclockwise and described linkage block can be driven counterclockwise to rotate by described column; The turning cylinder of described anti-inserted block is between the top and tail end of described anti-inserted block, and the tail end of described anti-inserted block abuts described second diverging arms thus described anti-inserted block clockwise direction can be driven when described linkage block is counterclockwise rotated to rotate and allow the top of described anti-inserted block leave the breech face of described latch bolt further; Described first diverging arms abuts the tail end of described latch bolt connecting rod and drives described side's tongue driver, thus described latch bolt can not only be regained when described linkage block is counterclockwise rotated and described side's tongue driver can be driven to rotate also and then regain described side's tongue, but described side's tongue driver is not driven to rotate when described linkage block resets.
Wherein, described side's tongue driver is provided with the medium pore that can be connected with handle square iron, the square iron be connected with outer handle like this can be inserted in described medium pore and to rotate and then drive described side's tongue to connect block and move rotating square tongue driver described in the situation Direct driver of described outer handle, makes described side's tongue stretch out or regain.It should be noted that at this, described outer handle is not equal to the door handle mentioned in the application, and described outer handle is generally arranged on a wainscot for locking at in-house operation or separating lock side tongue; And described door handle generally has a pair, split in door in outer panels, it is generally combined with described handle moving block by square iron.
Wherein, described curved portions to lean on described column thus enables described curved portions drive described linkage block counterclockwise to rotate by described column, here, described linkage block is counterclockwise rotated, be only the definition that a direction provides, in conjunction with the explanation of whole file, can be interpreted as like this, no matter described handle moving block is clockwise or counterclockwise rotates, and described linkage block is only just rotated in one direction.
According to technique scheme, its technique effect of having a mind to is:
1. because described lock body includes Fang She mechanism, latch bolt mechanism and anti-tongue mechanism, just can realize the locking to described latch bolt by means of described anti-plug tongue structure, even if so also can realize the locking to door leaf when user forgets described side's tongue on indoor lock for this reason.
2. due to described side's tongue driver being provided with the medium pore that can be connected with handle square iron, described side's tongue driver is also provided with wiper arm, described side's tongue connects engagement groove block being provided with and can coordinating with described wiper arm transmission, just described side's tongue driver can be driven to rotate when indoor rotary handle, the wiper arm on described side's tongue driver combines described engagement groove and drives described side's tongue to connect block further to move and then regain described side's tongue or drive described side's tongue to shift out and lock for this reason.
3. due to described linkage block being provided with column, described handle moving block is provided with a pair goat's horn, connected by curved portions between goat's horn described in a pair, described curved portions leans described curved portions on described column thus when rotating described handle moving block clockwise or counterclockwise and described linkage block can be driven counterclockwise to rotate by described column, for this reason, no matter forward or backwards revolving door handle, described column can be compressed by means of described curved portions, and then allow described linkage block rotate in one direction, be applicable to panel and the door handle of L.H.flapped door or R.H.flapped door with so just making described lock body flexibility, even if described lock body can be applicable to the door leaf of different directions.
4. because the head end of described linkage block is provided with two diverging arms i.e. the first diverging arms and the second diverging arms, and described first diverging arms and the second diverging arms drive the tail end of described latch bolt connecting rod and described side's tongue driver simultaneously, for this reason when described handle moving block rotates and drives described linkage block to rotate, described linkage block just can regain described latch bolt and square tongue simultaneously; But again owing to not driving described side's tongue driver to rotate when described linkage block resets, namely the extend action that described handle moving block does not control described side's tongue is achieved, the described handle that the extend action of described side's tongue only relies on described side's tongue driver and is arranged on a wainscot.
For this reason, the lock body of said structure, while substantially increasing safety can also holding structure simple, cost is low for this reason.
Further technical scheme can also be, also comprise the transition drive block rotating and be arranged on described lock housing body, described transition drive block is between described first diverging arms and described side's tongue driver, the support arm that described transition drive block is arranged abuts described first diverging arms, be in transmission connection between described side's tongue driver and described transition drive block, do not drive described transition drive block to rotate when described linkage block resets.Like this by means of described transition drive block, when can solve long distance transmission preferably, distribute the moment size of transmission, can be very smooth and easy and light when rotating described door handle and described handle moving block.
Further technical scheme can also be, realizes being in transmission connection between described side's tongue driver and described transition drive block by engaging mechanism, and described engaging mechanism comprises the gear pair be separately positioned on described side's tongue driver and described transition drive block.Like this by described gear pair, not only stable transmission but also reliable, and there is the flexibility of transmission, reduce noise.
Further technical scheme can also be, described transition drive block is provided with radial protrusion limit, the gear pair on described transition drive block is arranged on described protrusion limit, and described support arm is also arranged on described protrusion limit.The structure of manufacture described transition drive block can be made so simple.
Further technical scheme can also be, described first diverging arms comprises two sub-arms, and one of them sub-arm abuts the tail end of described latch bolt connecting rod, and another sub-arm abuts described transition drive block.
Further technical scheme can also be, position between the head end and rotating shaft of described anti-inserted block is provided with the spigot surface tilting to extend, wherein with the axis of described latch bolt connecting rod for reference, the spacing close to the described spigot surface of described anti-inserted block rotating shaft and the axis of described latch bolt connecting rod progressively reduces than the spacing away from the spigot surface of described anti-inserted block rotating shaft and the axis of described latch bolt connecting rod; Be provided with protrusion post below described safety tongue, described protrusion capital leans against on described spigot surface.
Further technical scheme can also be, the position between the head end and rotating shaft of described anti-inserted block is provided with dodges hole, described spigot surface for described in dodge the sidewall in hole, dodge in hole described in described protrusion post extend into.
Further technical scheme can also be, described lock housing body arranges the locating piece can locating described latch bolt connecting rod, described first back-moving spring is set between described latch bolt and described locating piece, described locating piece is provided with locating piece hole, the tail end of described latch bolt connecting rod is through described locating piece hole, also arrange casting lug thereon at the tail end of described latch bolt connecting rod, described first diverging arms abuts described casting lug thereon.
Further technical scheme can also be, described handle moving block is merged up and down by two submodules and forms, and is provided with the square iron hole can receiving handle square iron in the middle position of described handle moving block.
Further technical scheme can also be, is provided with on-of pin in described handle moving block, realizes clutch between two described submodules by described on-of pin, and the lateral location of described handle moving block is provided with the driver that can drive described on-of pin action.
Because the present invention has These characteristics and advantage, lockset product can be applied to particularly in escape lock product for this reason.
Accompanying drawing explanation
Fig. 1 is the plane structure schematic diagram applying described lock body of the present invention, and in Fig. 1, described side's tongue, latch bolt have all stretched out described lock housing body;
Fig. 2 is on the basis of Fig. 1, the structural representation that described side's tongue, latch bolt are all regained (and all unlocking);
Fig. 3 is the structural representation of the safety tongue in the described anti-tongue mechanism in described lock body;
Fig. 4 is the structural representation of the anti-inserted block in the described anti-tongue mechanism in described lock body;
Fig. 5 is the structural representation of the described latch bolt mechanism in described lock body;
Fig. 6 is the structural representation of the described handle moving block in described lock body;
Fig. 7 is the structural representation of the described linkage block in described lock body.
Detailed description of the invention
Be further described below in conjunction with the structure of accompanying drawing to application lockset product of the present invention.
As shown in the figure, a kind of escape lock, comprises lock body 100, and described lock body 100 comprises lock housing body 1, is contained in the Fang She mechanism in described lock housing body 1, latch bolt mechanism and anti-tongue mechanism; The side plate 11 of described lock housing body 1 is provided with the opening portion that safety tongue 2, latch bolt 3 and square tongue 4 can be allowed to stretch out.
Wherein, as depicted in figs. 1 and 2, the described Fang She mechanism side's of comprising tongue 4, the square tongue being connected described side's tongue 4 connect block 41 and described side's tongue can be driven to connect the square tongue driver 5 of block 41 movement, described side's tongue driver 5 rotates and is arranged on described lock housing body 1, described side's tongue driver 5 is provided with the medium pore 50 that can be connected with handle square iron, described side's tongue driver 5 is also provided with wiper arm 51, and described side's tongue connects the engagement groove 42 block 41 being provided with and can coordinating with the transmission of described wiper arm 51; Described like this wiper arm 51 is combined in described engagement groove 42, the square iron be connected with outer handle (not shown in FIG.) can be inserted in described medium pore 50 and to rotate and then drive described side's tongue to connect block 41 and move rotating square tongue driver 5 described in the situation Direct driver of described outer handle, makes described side's tongue 4 stretch out or regain.Stretching out or retracted mode to increase the elasticity that screws out described side's tongue 4 and described side's tongue 4 can being located, can also connect at described side's tongue three circle deformed springs block 41 or described wiper arm 51 increasing location.
It should be noted that at this, described outer handle is not equal to the door handle mentioned in the application, and described outer handle is generally arranged on a wainscot for locking at in-house operation or separating lock side tongue; And described door handle generally has a pair, split in door in outer panels, it is generally combined with handle moving block 8 by square iron.
Wherein, as shown in Figure 1, Figure 2 with shown in Fig. 5, described latch bolt mechanism comprises latch bolt 3, is connected the latch bolt connecting rod 32 of described latch bolt 3, described latch bolt connecting rod 32 is set with the first back-moving spring 31; Secondly, described lock housing body 1 also arranges the locating piece 34 can locating described latch bolt connecting rod 32, described first back-moving spring 31 is set between described latch bolt 3 and described locating piece 34, described locating piece 34 is provided with locating piece hole, the tail end of described latch bolt connecting rod 32 is through described locating piece hole, also arrange casting lug thereon 33 at the tail end of described latch bolt connecting rod 32, the tail end of described latch bolt 3 also has breech face 30.
Wherein, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, described anti-tongue mechanism comprises can the safety tongue 2 of resilient movement and anti-inserted block 9, described anti-inserted block 9 is arranged on the side of described latch bolt connecting rod 32 by rotating shaft 96 through shaft hole 90 rotation and combines the second back-moving spring 97, and described like this second back-moving spring 97 can allow described anti-inserted block 9 rotate reset in the counterclockwise direction.The spring coil body part of described second back-moving spring 97 is set in described rotating shaft 96, and one end free arm leans on described lock housing body 1, and another free end leans on the casting lug thereon 95 of described anti-inserted block 9 side.
As shown in Figure 3, the bottom of described safety tongue 2 is provided with protuberance 22, is installed with the 4th back-moving spring 21 between described protuberance 22 and the side plate 11 of described lock housing body 1, thus described 4th back-moving spring 21 can allow described safety tongue 2 flexibly stretch.Secondly the first auxiliary positioning portion 23 is also provided with in the bottom of described safety tongue 2, the second auxiliary positioning portion 24 is also provided with on the top of described safety tongue 2, the upper-lower casing of described lock housing body 1 is also provided with the groove with described first auxiliary positioning portion 23, second auxiliary positioning portion 24 adaptation, when after assembling, described lock housing body 1 can coordinating by described groove and described first auxiliary positioning portion 24 of auxiliary positioning portion 23, second, locates the telescopic moving of described safety tongue 2.
As shown in Figure 1, Figure 2 and Figure 4, described anti-inserted block 9 comprises and splits at the top 91 on described shaft hole 90 both sides and tail end 93, namely the turning cylinder 96 of described anti-inserted block 9 is between the top 91 and tail end 93 of described anti-inserted block 9, and described top 91 can be attached to the breech face 30 of described latch bolt 3; Position between the head end 91 and shaft hole 90 of described anti-inserted block 9 is provided with dodges hole 92, the described outer side edges dodging hole 92 is the spigot surface 94 tilting to extend, wherein with the axis of described latch bolt connecting rod 32 for reference, the spacing close to the described spigot surface of the rotating shaft 96 of described anti-inserted block 9 and the axis of described latch bolt connecting rod 32 progressively reduces than the spacing away from the spigot surface of the rotating shaft 96 of described anti-inserted block 9 and the axis of described latch bolt connecting rod 32; Dodging described in the described protuberance 22 arranged below described safety tongue 2 extend in hole 92 and to lean on described spigot surface 94, described protuberance 22 also forms the protrusion post be arranged on below described safety tongue 2 already mentioned in the text for this reason.Like this, described safety tongue 2 can in conjunction with described anti-inserted block 9 thus the breech face 30 of described latch bolt 3 is left on the top 91 that can promote described anti-inserted block 9 when described safety tongue 2 stretches out, and described safety tongue 2 by lock housing body 1 described in compression and back time, described safety tongue 2 can dodge described anti-inserted block 9, allows the top 91 of described anti-inserted block 9 be close to the breech face 30 of described latch bolt 3 under the driving of described second back-moving spring 97.
As shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, also comprise with door handle (not shown in FIG.) in conjunction with the handle moving block 8 of transmission and the linkage block 7 being arranged on described handle moving block 8 side.
Wherein, as shown in Figure 6, described handle moving block 8 has and in conjunction with the square iron hole 80 of door handle square iron, can be provided with radially-protruding a pair goat's horn (81,82), radial angle described in a pair between goat's horn is less than 180 °, and goat's horn described in a pair has curved portions 84 between (81,82).Secondly, described handle moving block 8 can also be merged up and down by two submodules and forms; Further technical scheme can also be, on-of pin is provided with in described handle moving block 8, realize clutch by described on-of pin between two described submodules, the lateral location of described handle moving block 8 is provided with the driver that can drive described on-of pin action.Because these schemes arranging arrangement of clutch are the known schemes generally used, do not draw in the drawings for this reason.Secondly, the mechanism realizing clutch can also be arranged on outdoors on panel, directly controls the driving of door outer handle to described handle moving block 8 like this by the clutch described in being arranged on outdoors on panel.
Wherein, as shown in Figure 7, described linkage block 7 has the first linkage block 71 and the second linkage block about 72 to be formed by stacking; The tail end (718,728) of described first linkage block 71 and the second linkage block 72 rotates by means of rotating shaft insertion axis hole (710,720) and is arranged on described lock housing body 1 and combines the 3rd back-moving spring 77.Also comprise a column 75, described column 75 passes the hole (716,726) in described first linkage block 71 and the second linkage block 72 and is positioned in described hole (716,726).The circle body portion of described 3rd back-moving spring 77 is set in described rotating shaft, and a free end top is pressed on described lock housing body 1, and another free end top to be pressed on described column 75 thus can to implement the clockwise reset shown in Fig. 1 to described linkage block 7.During assembling, because described 3rd back-moving spring 77 gives described linkage block 7 clockwise reseting torque, in the described curved portions 84 that described column 75 is leaned between goat's horn described in described a pair (81,82).Due to described curved portions top 84 to lean against on described column 75 thus clockwise or counterclockwise rotate described handle moving block 8 time, described curved portions 84 can drive described linkage block 7 to rotate in the counterclockwise direction by described column 75.
Secondly, the head end of described first linkage block 71 of described linkage block 7 is provided with two diverging arms i.e. the first diverging arms 73 and the second diverging arms 74.The tail end 93 of described anti-inserted block 9 directly abuts and combines described second diverging arms 74 thus described anti-inserted block 9 clockwise direction can be driven when described linkage block 7 is counterclockwise rotated to rotate and allow the top 91 of described anti-inserted block 9 leave the breech face 30 of described latch bolt further; Described first diverging arms 73 abut described latch bolt connecting rod 32 tail end arrange described casting lug thereon 33 and the side's of driving tongue driver 5, thus described latch bolt 3 can not only be regained when described linkage block 7 is counterclockwise rotated and described side's tongue driver 5 can be driven to rotate and then regain described side's tongue 4, but described side's tongue driver 5 is not driven to rotate when described linkage block 7 resets.
Secondly, as depicted in figs. 1 and 2, also comprise and rotate by rotating shaft 60 the transition drive block 6 be arranged on described lock housing body 1, described transition drive block 6 is between described first diverging arms 73 and described side's tongue driver 5, the support arm 63 that described transition drive block 6 is arranged abuts described first diverging arms 73, be in transmission connection between described side's tongue driver 5 and described transition drive block 6, do not drive when described linkage block 7 resets described transition drive block 6 to rotate.Like this by means of described transition drive block 6, when can solve long distance transmission preferably, distribute the moment size of transmission, can be very smooth and easy and light when rotating described door handle and described handle moving block 8.
Further technical scheme can also be, realize being in transmission connection by engaging mechanism between described side's tongue driver 5 and described transition drive block 6, described engaging mechanism comprises the gear pair (52,62) be separately positioned on described side's tongue driver 5 and described transition drive block 6.Like this by described gear pair (52,62), not only stable transmission but also reliable, and there is the flexibility of transmission, reduce noise.
Further technical scheme can also be, described transition drive block 6 is provided with radial protrusion limit 61, the gear pair 62 on described transition drive block 6 is arranged on described protrusion limit 61, and described support arm 63 is also arranged on described protrusion limit 61.The structure of manufacture described transition drive block 6 can be made so simple.
Described above is the scheme that described first diverging arms 73 drives described latch bolt connecting rod 32 and described support arm 63 simultaneously; Can also be that described first diverging arms 73 comprises two sub-arms, and one of them sub-arm abuts the tail end of described latch bolt connecting rod 32, and another sub-arm abuts the described support arm 63 of described transition drive block 6 in another kind of scheme.
According to said structure, its course of action is as follows, when door leaf is in opening-wide state, described side's tongue 4, latch bolt 3 and safety tongue 2 have all stretched out as shown in Figure 1, and now the top 91 of described anti-inserted block 9 leans and can not lock described latch bolt 3 at the side of described latch bolt 3.When closing door leaf when turning the handle, no matter described handle moving block 8 rotates on any one direction, described linkage block 7 can be driven counterclockwise to rotate, now described linkage block 7 not only drives described anti-inserted block 9 clockwise direction rotate and make the top 91 of described anti-inserted block 9 leave described latch bolt 3, and described safety tongue 2 is also squeezed in described lock housing body 1 by doorframe and more dodges space for the rotation in the suitable pointer direction of described anti-inserted block 9 provides; Secondly, described linkage block 7 also drags described latch bolt 3 and retracts, and drive described transition drive block 6 clockwise direction to rotate, and right handed described transition drive block 6 drives described side's tongue driver 5 counterclockwise to rotate, the described side's tongue driver 5 counterclockwise rotated is retracted in described lock housing body 1 at the described side's tongue 4 of dragging.To close the door end, discharge described door handle, described latch bolt connecting rod 32 resets and stretches out under the driving of described first back-moving spring 31, and described safety tongue 2 continues to be squeezed in described lock housing body 1 by doorframe to dodge space for the counter clockwise direction of described anti-inserted block 9 resets to continue to provide, described anti-inserted block 9 resets under described second back-moving spring 97 drives and its top 91 leans on the breech face 30 of described latch bolt 3, even if be subject to the destruction action of the outer face of latch bolt 3 described in outside grafting like this, described latch bolt 3 also can not move (now can ensure that door outer handle can not rotate described handle moving block 8 by means of clutch) and open the door, now described linkage block 7 also resets under described 3rd back-moving spring 77 drives, described first diverging arms 73 has left the described support arm 63 of described transition drive block 6 under the driving of described linkage block 7, in such cases, only rotate separately described side's tongue driver 5 in indoor, described side's tongue 4 could be allowed again to stretch out.After this when turn the handle opened door leaf time, no matter described handle moving block 8 rotates on any one direction, described linkage block 7 can be driven counterclockwise to rotate, now described linkage block 7 not only drives described anti-inserted block 9 clockwise direction rotate and make the top 91 of described anti-inserted block 9 leave described latch bolt 3, described linkage block 7 also drags described latch bolt 3 and retracts, and drive described transition drive block 6 clockwise direction to rotate, and right handed described transition drive block 6 drives described side's tongue driver 5 counterclockwise to rotate, the described side's tongue driver 5 counterclockwise rotated is retracted in described lock housing body 1 at the described side's tongue 4 of dragging.