CN1189570A - Door lock - Google Patents

Abstract

A door lock is composed of a box body, a pair of handles, a pair of control pieces, a swing arm, a lever, a slide block and a first locking bolt. When a locking device inside the door lock moves up or down, the lever is driven to wave. The first handle can control the lock in locked state to unlock while the second handle can not unlock it because of the action of lever, but can rotate in a certain range without damaging the internal structure of lock.

Description

Door lock

It is unlikely because the user rotates the door lock that is arranged on handle outdoors and injures its internal construction under unwitting situation to the present invention relates to a kind of door lock that is under the lock-out state of protecting.

Existing door lock (mainly being meant labeled door or escape or this type of the employed door lock of door at this) normally has as in the structure shown in Fig. 9, Figure 10; It often is in the mode that pivots one first handle to be set in the box body 10 of door lock and similarly is being in the mode that pivots one second handle (all not showing) to be set outdoors, this first handle and this second handle then install in the perforation 111 in being arranged at two control strips that can do to move pivotally 11 respectively, this two control strip 11 be two identical and be a group of stacking up and down (see also Figure 11 appended graphic), and the periphery at this control strip 11 is to be provided with several protuberances 112 that outwards protrude out, a protuberance 112 therein is other then to be that a block 12 that can limit these control strip 11 pivoting angles is set in the mode that is right after, simultaneously, then be to be provided with a return mechanism 20 with these block 12 contacted protuberance 112 relative sides, the restoring force when similarly making pivoting action because of the pivoting action that is subjected to handle can supply this control strip 11;

In set these protuberances 112 of these control strip 11 peripheries be have one group protuberance 112 be with one group be structurally identical equally, and be upper and lower folded being located at together, and the driven disc 13 that can do to move pivotally and being in contact with one another together; That is to say that this group is to protrude 112 and controlled the action of its pivot for corresponding upper and lower driven disc 13 by one group discriminably with the upper and lower and mutual folded control strip 11 that is located at together; On a side of this box body 10 be provided with one convexedly stretch in box body 10 side faces and same be to be subjected to a restoring force effect and the dead bolt 14 that can make reciprocal action, this dead bolt 14 is to have an integrally formed double-action plate 141, and is to be provided with one and upper and lower driven disc 13 and the controll block 142 that is in contact with one another at the far-end with respect to this dead bolt 14 of this double-action plate 141; Thus, we then as can be known, when rotating use this first handle or this second handle as a user, the protuberance 112 that is arranged on this control strip 11 can force this driven disc 13 to produce the action that pivots, and because the some of this driven disc 13 is to contact with this controll block 142, so the pivotal action of this driven disc 13 can drive this double-action plate 141 and do equidirectional motion, and because this double-action plate 141 and this dead bolt 14 1 bodily forms generation, so the action of double-action plate 141 then can drive this dead bolt 14 starts, the action of opening the door has then been finished in the start of this dead bolt 14.

Please referring to accompanying drawing shown in Figure 10, be provided with one in addition is subjected to the control of core (not shown) and can makes the fastening devices 30 of reciprocating in the inside of this box body 10, be to be installed with a retaining piece 31 that comes down to have a shape on this fastening devices 30, a far-end of this retaining piece 31 is in contact with one another with the driven disc 13 that is arranged on the below in separable mode.So, when this fastening devices 30 is subjected to the control of core and presents the state of locking, this retaining piece 31 can move towards the direction of this driven disc 13, and be arranged on the below driven disc 13 inconsistent being in the same place, at this moment, being arranged on other second handle of side of this box body then can't rotate, so that can't successfully door be opened, meanwhile, this first handle that is arranged on the relative side of this second handle is then because be arranged on the restriction that the driven disc of top is not subjected to this retaining piece 31, and the action that can do to pivot, and successfully door is opened; So the design of this kind door lock mainly is when lock-out state, can prevent that unwarranted outdoors people from opening door, though the people in door then door lock be the state that is in locking, it still can be opened door and leave away freely.

See also Figure 12 shown in the drawings, Figure 13 and structure shown in Figure 14, shown in it is the structure of another kind of existing door lock.In the structure of this kind door lock, be to be provided with a Control Component 41 that can be subjected to the control of core (not shown) and do reciprocating in the inside of a box body 40, be to be installed with a stop block 411 in this Control Component 41; Same, be provided with a perforation (not indicating) in the appropriate position of this box body 40, this perforation place then be folded establishing two identical, and be a control strip and a below control strip 50 above that to do to move pivotally, above this control strip and should below then be to define a mutual corresponding opening 501 respectively in the control strip 50, by corresponding and be two openings 501 that mutually coincide, be arranged on the motion that two handles on these box body 40 corresponding two sides then drive this top control strip and this below control strip 50 work pivots discriminably; Above this control strip and should below the periphery of control strip 50 are one and be provided with several and protrude 502, protruding on 502 one then is to be provided with one can supply the spring of response force, whereby and can be when this control strip 50 is done to pivot, provide needed restoring force, can allow this control strip 50 behind pivot, be returned to original position; Moreover, these several protrude in 502 one group to protrude 502 be to be in contact with one another with a driven disc 52, being to set firmly at least one to twine helical spring 53 power transmission shaft 53 thereon on this driven disc 52, then is to be provided with a dead bolt in close-fitting mode at a far-end of this power transmission shaft 53.By above structure as can be known, when this core is in the position of unblanking (as shown in figure 14), no matter owing to be the restriction that top control strip or below control strip 50 all are not subjected to stop block 411 set on this Control Component 41, so the control strip 50 of this group is to make synchronous pivotal action via this handle of rotation of user, simultaneously, also because one group protrusion 502 is to be in contact with one another with driven disc 52, so dead bolt also can be because of the pivot of this control strip 50 is done shuttle motion by together drive, and reaches the purpose that door is opened; Yet, when the control that is subjected to core of this Control Component 41 and present when being both the state of Figure 12, locking shown in Figure 13, this Control Component 41 can move towards the direction of this control strip 50, and stop block 411 meetings and the below control strip that is arranged on the below are in contact with one another, and are limiting the action of this below control strip; At this moment, because the top control strip 50 that is provided with is not subjected to any restriction, the motion of doing to pivot so this top control strip 50 still can be subjected to the drive of this handle freely, yet, because this below control strip 50 is the restrictions that are subjected to stop block 411 set on this Control Component 41, so it does not have the action that way is made pivot; At this moment, when this core be that the position has the user in the door still can freely door be opened when being on the position of locking, and freely leave away, yet be positioned at outdoors user then because the setting of this stop block 411, so that cause can't rotating of handle, and door can't be opened smoothly.

Above-described two kinds of existing door locks all can reach and utilize a key (not shown) that core is fixed and when presenting the state of locking, the control strip that is positioned at the below all can be subjected to retaining piece 31 also or the restriction of stop block 411 and can't freely moving pivotally, and cause the handle that is arranged on outdoors door successfully can't to be opened, and reach the purpose of restriction personnel turnover; Yet, though the door lock of this kind design conception is good, but because when core be to be in unlocked conditions following time, no matter also being arranged in the door or being arranged on outdoors handle all can be opened door smoothly, so, when the core of door is fixed, originally outdoors user under unwitting situation, when this door and non-locking are very subjectively set in meeting, and still remove to rotate handle with general strength; In the case, by in two kinds of above-mentioned structures as can be known, when the core of door lock is when being in fixing state, control strip be with retaining piece 31 also or stop block 411 and be not fastened togather the person mutually, if so rotation handle energetically, to cause the damage of the more inner associated components of door lock, and cause the difficulty of unblanking; Even ground, under the situation that internals damages, can't be even if utilize key also to unblank with door-lock opening.Therefore, existing door lock still is subjected to the disappearance that can't retrieve in the use, and need be improved at this kind disappearance.

The main purpose of the present invention is: provide a kind of under locked condition, and still can rotate freely the handle that is arranged on outdoors under the situation that can't open the door, and the unlikely situation that causes the door lock internals to damage takes place.

Another object of the present invention is to utilize a lever principle, does swing up and down and controlling a body of rod, and via this body of rod when the swing, and reach the purpose that control is divided into upper and lower two control strip action.

By an aspect of of the present present invention, it mainly is to present the body of rod that presses down by one under unlocking condition, and is controlled being divided into upper and lower two control strip; And when lock body presents the state of locking, then this body of rod is the state that presents come-up, at this moment, the position below control strip then because be not subjected to stopping of any member and can in certain scope, do the pivot motion, and the unlikely structure that injures inner other members of door lock, simultaneously, also reach the purpose of any turnover such as restriction people without fixed duties.

The invention provides a kind of door lock, wherein, comprised having:

A box body, its inside are to offer an opening, and are to have one can control and unblank and the core of blocking;

A pair of handle, it is with relatively and the mode that can do to pivot and wear the both sides of this box body, and is respectively to have an integrally formed connecting rod;

The pair of control sheet, it is pivotally and folded is located at this box body inside, and its inside be respectively be provided with one can ccontaining each handle the perforation of each connecting rod, simultaneously, its periphery is to be provided with several width of cloth directives protuberance extending out;

A swing arm, it is to move between a primary importance and a second place in mode optionally, whereby and with this to control strip one or the two protuberance and reciprocally clip be in the same place;

A lever, it is the inside that is arranged on this box body in the mode that can swing, and it is to have one and this swing arm and contacted one first end points, and one second end points;

A sliding shoe, it is to be subjected to being arranged on this core of this box body inside and can to do limited glider in this box body inside, and its be have a protuberance and and second end points of this lever and being in contact with one another, make the jacking block swung can control this lever; And

One first dead bolt, it is to link together with this swing arm by a double-action plate, and is to do limited reciprocating in a side of this box body.

Aforesaid door lock, wherein, still have one and be arranged on this box body inside, and be second dead bolt that to do limited reciprocating at the place, a side of this box body, it is to have the locking piece that can do to pivot, and this locking piece be have one optionally and and a part of contacted first end points of this swing arm, and one with the some of this first dead bolt and with second end points of the mutual clip of mode optionally.

Aforesaid door lock, wherein, this is reciprocally to be screwed on this inside to control strip by a screw rod to handle.

Aforesaid door lock wherein, still has a spring, and its first end is to contact with this box body, and its second end is with this control strip to be contacted, providing a restoring force to this control strip.

Door lock of the present invention has following every advantage:

(1) when door lock is in the lock state, the handle that is arranged on outdoors can be because of the control principle of door lock internal lever, and makes outdoors handle produce idle running and door can't be opened, to reach the purpose of avoiding injuring the door lock internal construction.

(2) combining right door latch structure of the present invention is the state that is in locking, and it still can be opened door in the very first time by being arranged on the handle in the door, and reaches safe effect.

(3) when door lock of the present invention place lock-out state, being in indoor personnel still can be passed in and out freely by being arranged on the handle in the door, then need by key or the assistance that is in indoor occupant just be able in the inlet chamber outdoors personnel, reach gate inhibition's purpose and effect therefrom effectively.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing.

Fig. 1 is the three-dimensional view of the present invention's combination;

Fig. 2 is a part exploded perspective view of the present invention;

Fig. 3 is in the floor map of its internal construction under the blocking for door lock of the present invention;

Fig. 4 is under the blocking for door lock of the present invention, the generalized section of its internal construction;

Fig. 5 is under the blocking for door lock of the present invention, the floor map of its internal construction, and wherein, one second dead bolt is the state person who has been in withdrawal;

Fig. 6 is under the unlocking condition for door lock of the present invention, the floor map of its internal construction;

Fig. 7 is under the unlocking condition for door lock of the present invention, the generalized section of its internal construction;

Fig. 8 is under the unlocking condition for door lock of the present invention, the floor map of its internal construction, and wherein, first dead bolt and this second dead bolt set in this door lock have all been driven the action of do withdrawal because of the action of other members;

Fig. 9 is under the unlocking condition floor map of its internal construction for existing door lock;

Figure 10 is under the blocking floor map of its internal construction for existing door lock;

The sectional view of Figure 11 for being drawn by 11-11 line among Figure 10;

Figure 12 is under the blocking floor map of its internal construction for another kind of existing door lock;

The sectional view of Figure 13 for being drawn according to 13-13 line in Figure 12; And

Figure 14 is under the blocking plan view of its internal construction for shown in Figure 12 other plants door lock.

See also the Figure 1 and Figure 2 of accompanying drawing, in the inside of a box body 60 is to be provided with to make pivotal action, and be to be divided into upper and lower two folded mutually control strips 61,62 that are located at together, this control strip the 61, the 62nd has identical structure, and also because it is in structure, identical in shape, so only one of them is described after this; In the inside of this control strip 61 is to be provided with a central perforation 611, and the central perforation 611 of this control strip 61,62 mutually folded establish and coincide together after, then be to coincide mutually with an opening 600 that is arranged on these box body 60 inside; In addition, on the periphery of this control strip 61, still have integrated and protuberance 612 that the plurality of outward width of cloth that be provided with is penetrated; Moreover, be to be provided with one first handle 63 can doing to move pivotally and one and this first handle 63 to be screwed on together second handle 64 mutually with a screw rod 65 in these box body 60 relative both sides; Be to set firmly a connecting rod 631 that extends towards the opening 600 of this box body 60 on this first handle 63, the length of this connecting rod 631 is that the thickness that equals this box body 60 just adds the thickness that is arranged on the control strip 62 that is in close proximity to this box body one side, simultaneously, the connecting rod 641 that extends towards the direction of this opening 600 one day also similarly is being set on this second handle 64, this screw rod 65 then is to be screwed into connecting rod 631 inside in this first handle 63 respectively, and the inside of the connecting rod 641 of this second handle 64, whereby, 64 of this first handle 63 and this second handles can mutually combine on this box body 60 via this screw rod 65;

In addition, is to be provided with a swing arm 66 that contains a spring (not shown) in the inside of this box body 60 in the mode that articulates, an end 661 of this swing arm 66 be with this control strip 61 in set several protuberances 612 one and mutual being fastened togather; Simultaneously, side in this swing arm 66 is to be provided with the lever that can do to swing up and down 67, first end of this lever 67 is to be compressed on the surface, top of this swing arm 66, so when this lever 67 is subjected to the effect of external force and swings, this swing arm 66 also can be because of the swinging of this lever 67, and present the phenomenon of upper and lower swing; Moreover, position, lower right shown in the figure is slidably to be provided with a sliding shoe 68, this sliding shoe 68 is to be subjected to the control of a core (not shown) and the motion that can make moving type, and because are the jacking blocks 681 that are provided with a protrusion at a far-end of this sliding shoe 68, and this jacking block 681 is with second end of this lever 67 and be in contact with one another, so when this sliding shoe 68 produces sliding phenomenon because being subjected to the control of this core, 681 of this jacking blocks can be done synchronous action thereupon, and when this jacking block 681 when sliding, it then can give jack-up with second end of this lever 67, and cause this lever 67 to produce the phenomenon of swing, simultaneously, the dancing of this lever 67 then can cause the direction towards box body 60 of swing arm 66 to move, and contacts with the control strip 62 that is arranged on these box body 60 1 sides of next-door neighbour.

In above-described structure, owing to be existing structure at the inner set dead bolt of door latch structure of the present invention and the interlinked mechanism of dead bolt, so its detailed structure, with and corresponding action all do not introduce in detail, and only when mentioning its relevant action, introduce a little; Yet this is not that to be to limit structure of the present invention be the application that only limits to use this kind structure, and it just utilizes its structure, and most preferred embodiment of the present invention is showed.

By among Fig. 1 shown in the drawings as can be known, be arranged on these box body 60 1 sides, and be slidably and a dead bolt device 69 being provided with is to have one first dead bolt 691, and one second dead bolt 692; This first dead bolt 691 and this second dead bolt 692 are all can be in a side of this box body 60 and do shuttle sporter, and this first dead bolt 691 is to have an integrally formed double-action plate 693, simultaneously, this second dead bolt 692 also has a meeting and this second dead bolt 692 and the locking piece 694 of action together.

By Fig. 3 of accompanying drawing and shown in Figure 4, wherein as can be known, when a door that is equiped with door lock of the present invention when shutting away, this first dead bolt 691 is contained in the groove (not shown) of being reserved in the doorframe because be, so it still is in the state that convexedly stretches in these box body 60 1 sides, and this moment, if this core is the following time of state that is in locking, that is the jacking block 681 of this sliding shoe 68 is not when pushing up second end points of this lever 67 of pulling, this swing arm 66 is because of the pressure that is not subjected to from this lever 67, so it can maintain a primary importance place because of the elastic force of its inner set spring; That is be that this swing arm 66 can't contact with the control strip 62 that is arranged on these box body 60 1 sides, and only be to contact with another control strip 61, at this moment, the user of position in door is when door lock is in the position of locking, owing to this swing arm 66 still is being in contact with one another with this control strip 61, so it still can be driven this first dead bolt 691 and these box body 60 inside of interior retraction, and door is opened when rotating this second handle 64.

See also Fig. 5 again, wherein, when door is when being in closing state, this second dead bolt 692 can be subjected to the doorframe (not shown) compressing and in contract to the inside of this box body 60, and when this second dead bolt 692 be pressed into the inside of this box body 60 time, 694 of this locking pieces can moving because of this second dead bolt 692, and be subjected to being arranged on the effect of side spring (indicating) and can move towards the direction of this first dead bolt 691, and contact with the some of this first dead bolt 691, to limit moving of this first dead bolt 691, at this moment, under the situation of not rotating handle, just can't will contract in this first dead bolt 691 and reached the purpose of opening the door.

Please referring to Fig. 6 and Fig. 7; Wherein, when this sliding shoe 68 is subjected to the control of core and is in the position of unblanking, that is be that this jacking block 681 is with second end points of this lever 67 and when contacting, pull and press down towards its first end points place in the top that this lever 67 can be subjected to this jacking block 681, and force this swing arm 66 towards the direction of these box body 60 1 sides and move, so then can make this swing arm 66 be in a second place place, and be able to and be positioned at the top and the control strip 61 of below, 62 contacts simultaneously, at this moment, rotate this first handle 63 also or this second handle 64 can drive this below control strip 62 or the rotation of this top control strip 61, at this moment, the protuberance 621 (only showing that at this wherein one group of protuberance is as representative) that is arranged on this top control strip 61 and these below control strip 62 peripheries in the time of then can rotating, drives this swing arm 66 and makes pivotal action; And when this swing arm 66 is done to pivot, then again because it is that with this double-action plate 693 and reciprocally clip is in the same place, so this double-action plate 693 can be done equidirectional moving by drive with this swing arm 66 together, and when doing to pivot when this swing arm 66, because it is that with an end of this locking piece 694 and reciprocally clip is in the same place, so when this swing arm 66 is done to pivot, it can drive this locking piece start in advance, and as can be known by Fig. 6 and relevant position shown in Figure 8, when these locking piece 694 starts, it then can leave the position of this first dead bolt 691 of control, at this moment, since the swing of aforementioned double-action plate 693, this first dead bolt then can be by drive and in contract, and reach the purpose of opening the door.

And on the contrary, when this sliding shoe 68 is subjected to the control of core and is in the position of locking as shown in Figure 4, that is be that the jacking block 681 of this sliding shoe 68 does not contact with second end points of this lever 67, at this moment, because this lever 67 does not produce any corresponding action, so this swing arm 66 is under the pressure that is not subjected to this lever 67, it is to be subjected to its inner set spring force and to maintain a primary importance place, at this moment, the position control strip 62 item set in these box body 60 1 sides can be done the action of pivot freely in a certain limit because not being subjected to the control of this swing arm 66.At this moment, if extraneous have do not know that this is when being in user under the locking situation and desiring to open the door, if it rotates first handle 63, then because this control strip 62 not with this swing arm 66 and mutually clip be in the same place, so it can only make limited pivotal action in the original place, and can not injure inner other the member of door lock.

Moreover, be to be provided with the spring 601 that to supply restoring force in a corner of this box body 60, its first end points is to contact with this box body 60, its second end points then is side by side together to contact with this upper and lower control strip 61,62, whereby, and can to respectively and this upper and lower control strip 61,62 and this first handle 63 of combining and this second 64 response force is provided, can keep this first handle 63 and this second handle 64 on certain position; Especially when wherein a slice control strip 62 was not subjected to the control of this swing arm 66 and can makes limited pivot, this first handle 63 that is arranged on this control strip 62 also can maintain on certain position, falls down and be unlikely.

Claims (4)

1 one kinds of door locks is characterized in that comprising:

A box body, its inside are to offer an opening, and are to have one can control and unblank and the core of blocking,

A pair of handle, it is with relatively and the mode that can do to pivot and wear the both sides of this box body, and is respectively to have an integrally formed connecting rod,

The pair of control sheet, it is pivotally and folded is located at this box body inside, and its inside be respectively be provided with one can ccontaining each handle the perforation of each connecting rod, simultaneously, its periphery is to be provided with several width of cloth directives protuberance extending out,

A swing arm, it is to move between a primary importance and a second place in mode optionally, whereby and with this to one or two protuberance of control strip and reciprocally clip be in the same place,

A lever, it is the inside that is arranged on this box body in the mode that can swing, and it is to have one and this swing arm and contacted one first end points, and one second end points,

A sliding shoe, it can be by the core start that is arranged on this box body inside does limited glider in this box body inside, and its be have a protuberance and and second end points of this lever and being in contact with one another, make the jacking block swung can control this lever, and

One first dead bolt, it is to link together with this swing arm by a double-action plate, and is to do limited reciprocating person in a side of this box body.

2 door locks according to claim 1, it is characterized in that: still have one and be arranged on this box body inside, and be second dead bolt that to do limited reciprocating at the place, a side of this box body, it is to have the locking piece that can do to pivot, and this locking piece be have one optionally and and a part of contacted first end points of this swing arm, and one with the some of this first dead bolt and with second end points of the mutual clip of mode optionally.

3 door locks according to claim 1 is characterized in that: this is reciprocally to be screwed on this inside to control strip by a screw rod to handle.

4 according to door lock according to claim 1, it is characterized in that: still have a spring, its first end is to contact with this box body, and its second end is with this control strip to be contacted, providing a restoring force to this control strip.

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