CN201433611Y - Door lock structure capable of being opened under pre-pressing state - Google Patents
Door lock structure capable of being opened under pre-pressing state Download PDFInfo
- Publication number
- CN201433611Y CN201433611Y CN2009200768985U CN200920076898U CN201433611Y CN 201433611 Y CN201433611 Y CN 201433611Y CN 2009200768985 U CN2009200768985 U CN 2009200768985U CN 200920076898 U CN200920076898 U CN 200920076898U CN 201433611 Y CN201433611 Y CN 201433611Y
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- cup
- section
- movable
- push rod
- fixed cup
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Abstract
The utility model discloses a door lock structure, and particularly relates to a door lock structure capable of being opened conveniently under a pre-pressing state. The door lock structure capable ofbeing opened under a pre-pressing state comprises a movable cup (1) and a fixed cup (5), wherein a movable cup spring (2) and a fixed cup spring (6) are respectively positioned at the bottom part ofthe movable cup and the bottom part of the fixed cup, and a push rod (3) is collocated on the outer side of the spring of the movable cup (1); the push rod comprises three sections, i.e. a cylindricalsection, a conical section and a long contact rod section; the inner and the outer sections of the inner chamber of the fixed cup (5) adopt cylindrical surfaces, the middle part thereof adopts a three-section conical surface, and a plurality of balls (4) are positioned on the cylindrical surfaces; the movable cup (1) is positioned in the fixed cup (5) under two position states, i.e. a free stateand a compressive state; an emergency control witch touches the exposed long rod section of the push rod (3); and the outer surface of the bottom part of the moving cup adopts a raised face and is mutually withholded with the sharp crest of a rotary latch (7). Due to the adoption of the technical scheme, a door leaf can be opened easily in emergencies only by exerting a small trigger force, thereby ensuring that the door can be opened under a pre-pressing state.
Description
(1) technical field
The utility model is a kind of door latch structure, particularly relates to a kind of door latch structure of being convenient to open under the preloading state.
(2) background technology
As everyone knows, door lock is cooperated with backset by snap close and constitutes, and snap close is one to have the long piece of rotation of sharp-crested, and backset is one section cylindrical bar, half of cylindrical bar is breach, half is the face of cylinder, and when the sharp-crested of snap close is positioned at indentation, there, snap close can rotarily open door leaf, be positioned at the sharp-crested place of snap close when the face of cylinder of stopper, the sharp-crested of snap close is stopped that by the face of cylinder snap close can't rotate, and door leaf can't be opened.
Described backset is one section cylindrical bar, half is a breach, half is the face of cylinder, cylindrical bar is that front-rear reciprocation movement makes the breach of backset promote to move to snap close sharp-crested bottom when needs open the door vertically, when needs close latching door, promotes backset and moves, make the face of cylinder section of backset be positioned at the sharp-crested bottom of snap close, moving axially by electromagnetic solenoid control of backset, when the electromagnetic coil energising or the outage generation magnetic flux of electromagnetic solenoid, the electromagnet in the middle of ordering about moves back and forth.
It more than is the situation in normal condition is used.
Yet; in abnormal condition; under the state of emergency; such as situation such as the condition of a fire occurring, people can go out to run in a panic to outdoor forcing the way to from indoor, can push with strength on unwisely; apply super large pressure on the opposite house; this moment, door leaf was subjected to big unexpected pushing force at a time when the face of cylinder section of backset is positioned at the sharp-crested bottom of snap close, and the sharp-crested port " is bitten " face of cylinder of backset inflexibly; push away more that " sting " on the contrary must be tight more; at this moment, even electromagnetic solenoid is connected electricity, the electromagnet in interior moves to be wanted to drive backset and moves also powerless; at all cannot mobile backset; can't open door leaf, bigger accident takes place in this moment easily, causes bigger injures and deaths at all; therefore; the door latch structure that uses under a kind of state of emergency device must be provided, so as escape, the protection lives and properties.
Similar above fortuitous event also has extraneous blast excessive, " has bitten " face of cylinder of backset and also can cause door not open; Door is owing to make moist and can be out of shape or the like, and this type of occasion was before normally opening door lock and has been subjected to abnormal precompression, has been difficult to open door lock with normal means again, and at this moment, needing to provide a kind of counter-measure and mechanism, still can open the mechanism of door lock.
(3) summary of the invention
The purpose of this utility model provides at door and is subjected to a kind of door lock mechanism that can be opened smoothly under the situation of precompression.
The purpose of this utility model is solved by following technical scheme:
The door latch structure that a kind of preloading is opened is characterized in that:
Described mechanism comprises an activity cup and a fixed cup, and two glasss bottom is placed one piece of movable cup spring and fixed cup spring respectively, and two glasss of openings can be inserted in the fixed cup for movable glass in opposite directions with moving axially, push rod of spring outside configuration of movable cup;
Described push rod is a syllogic, and promptly with movable glass of cylindrical section, conical section and long feeler lever section that the inner chamber phase shift cooperates, the circular hole that the stock section is passed fixed cup spring and fixed cup bottom exposes;
Described fixed cup inner chamber is a syllogic, and promptly near outer section of rim of a cup be the face of cylinder near section in the bottom, the centre is a taper seat for one section, places some balls in the taper seat section;
Movable cup is inserted two location statuss, i.e. free state and compressive state in the fixed cup:
Described free state is: the some balls in the fixed cup are positioned at the conical recess of taper seat section, the cylindrical section outer ring of push rod, and movable cup is positioned at outer section of fixed cup;
Described compressive state is: the some balls in the push rod activity compression cup spring, fixed cup are positioned at the conical section of push rod, section in the fixed cup, and movable cup enters the taper seat section of fixed cup at least;
The stock section that emergent control switch actuating push rod exposes;
The appearance of described movable cup bottom is a raised face (RF), withholds mutually with the sharp-crested of rotating latch.
Further, the appearance bottom the described movable cup is the sphere or the conical surface.
Further, place steel ball in the appearance of described movable cup bottom.
Further, described emergent control switch is mechanical compressing actuation button.
Further, the described emergent control switch movable core that is electromagnetic solenoid.
Further again, described movable core is connected with described push rod is coaxial.
Further again, described movable core is connected with described push rod by quadric chain.
Further, the ball of described taper seat section is 3 or 4.
Adopt the technical program, in peacetime state, because movable cup spring and fixed cup spring in movable cup and the fixed cup all are in free state, the some balls in the fixed cup are positioned at the conical recess of taper seat section, the cylindrical section outer ring of push rod, movable cup is withstood the taper seat section that can't continue to enter, break through fixed cup by ball, can only be in outer section of fixed cup, can't move, therefore can keep the state of locking a door, snap close is placed restrictions on by the raised face (RF) of movable cup bottom appearance, can't Unscrew.
When in emergency, promptly the people in the door go out to run in a panic, blindly push at all adventures, the raised face (RF) that the sharp-crested of snap close is bitten movable cup bottom appearance inflexibly can't open the door, at this moment, only need press the stock section that emergent control switch actuating push rod exposes lightly, the movable spring that resets that push rod has been oppressed in the movable cup moves forward, cross some balls of outer ring when the cylindrical section of push rod, ball is rolled into the axle central space of push rod conical section, the oral area of movable cup be not subjected to placing restrictions on of ball just can continue very easily forward impelling enter fixed cup in section, the evagination face of movable cup bottom also moves toward the fixed cup direction thereupon and abdicates the space, the sharp-crested of snap close has not had to stop just freely Unscrew door leaf.
The beneficial effects of the utility model, adopt the technical program to solve door under the preloading state, under the state of emergency, people unwiselyly promptly push, can not occur again of the prior art stuck, kill, the disadvantage that pushes away tighter and tighter, and as long as a very little triggering power, a spring reset power of inserting when only needing to overcome design, just can produce a space of dodging out, allow door leaf easily open, guarantee the safety exit of indoor occupant under the state of emergency, have never again because of lock structure and caused the unexpected accident of life.Be included under the state of other preloading and all can open smoothly.
(4) description of drawings
Fig. 1 is a kind of embodiment of the door latch structure of the utility model preloading unlatching, and movable cup parts bottom appearance is the topology view of ball face, presents the state of locking a door at ordinary times;
Fig. 2 is the topology view of taper seat for the movable cup parts of Fig. 1 bottom appearance;
Fig. 3 hangs together for the sharp-crested of the utility model and rotating latch, and door leaf is stopped the view that can't open by the movable cup of the utility model bottom;
The schematic diagram that Fig. 4 is identical with Fig. 3, ball has been placed in just movable cup bottom;
The configuration that Fig. 5 is identical with Fig. 4, push rod is touched and is pressed into, and movable cup is squeezed into, and ball retreats and gets out of the way, and the sharp-crested of rotating latch rotates unobstructedly, the view that door leaf can be opened;
Fig. 6 is a kind of embodiment of the present utility model, the electromagnetic solenoid control that the exposed junction of putter component is connected by quadric chain, the view that rotating latch is stopped;
The electromagnetic solenoid pulling that Fig. 7 is connected by quadric chain for the exposed junction of Fig. 6 putter component, the ball of rotating latch stop and are disengaged that door leaf is opened;
Fig. 8 is that the emergent control switch is the movable core of electromagnetic solenoid, and iron core is connected with push rod is coaxial, and steel ball is pushed out the schematic diagram that blocks the rotating latch sharp-crested;
Fig. 9 is that rotating latch cooperates with the backset cylindrical bar, the axis of rotation schematic cross-section, and half is breach for a cylindrical bar, and half is the face of cylinder, and institute's diagrammatic sketch is that cylindrical bar moves to breach and is positioned at state under the snap close sharp-crested;
Figure 10 is that the backset cylindrical bar moves to the face of cylinder and is positioned at view under the snap close sharp-crested among Fig. 9.
Among the figure, the 1st, movable cup, the 2nd, movable cup spring, the 3rd, push rod, the 4th, ball, the 5th, fixed cup, the 6th, fixed cup spring, the 7th, rotating latch, the 8th, steel ball, the 9th, electromagnetic solenoid.
(5) specific implementation method
Further describe structure of the present utility model below in conjunction with accompanying drawing.
The door latch structure that a kind of preloading is opened, described mechanism comprises 1 and fixed cup 5 of a movable cup, two glasss bottom is placed one piece of movable cup spring 2 and fixed cup spring 6 respectively, two glasss of openings in opposite directions, movable cup 1 can be inserted in the fixed cup 5 with moving axially, push rod 3 of spring outside configuration of movable cup 1;
Described push rod 3 is a syllogic, i.e. cylindrical section, conical section and the long feeler lever section that cooperates with movable cup 1 inner chamber phase shift, and the circular hole that the stock section is passed fixed cup spring 6 and fixed cup 5 bottoms exposes;
Described fixed cup 5 inner chambers are syllogic, and promptly near outer section of rim of a cup be the face of cylinder near section in the bottom, the centre is a taper seat for one section, places some balls 4 in the taper seat section;
The stock section that emergent control switch actuating push rod 3 exposes;
The appearance of described movable cup 1 bottom is a raised face (RF), withholds mutually with the sharp-crested of rotating latch 7;
Described free state, promptly normally the state of locking a door is: freely flick state because movable cup spring 2 in movable cup 1 and the fixed cup 5 and fixed cup spring 6 all are in, some balls 4 in the fixed cup 5 are positioned at the conical recess of taper seat section, be positioned at the cylindrical section outer ring of push rod 3, movable cup 1 is withstood the taper seat section that can't continue to enter fixed cup 5 by ball 4, outer section that can only be in fixed cup 5 can't be moved, therefore can keep the state of locking a door, rotating latch 7 is placed restrictions on by the raised face (RF) of movable cup 1 bottom appearance, can't Unscrew.
Described compressive state, promptly when the state of emergency need force to press emergent control switch open door leaf: press the stock section that emergent control switch actuating push rod 3 exposes gently, the activity cup spring 2 that resets that push rod 3 has been oppressed in the movable cup 1 compresses forward, cross some balls 4 of outer ring when the cylindrical section of push rod 3, ball 4 is rolled into the axle central space of push rod 3 conical section, the oral area of movable cup 1 no longer be subjected to placing restrictions on of ball 4 just can continue forward impelling very freely and enter fixed cup 5 in section, the evagination face of movable cup 1 bottom also moves toward fixed cup 5 directions thereupon and abdicates the space, the sharp-crested of snap close 7 has not had to stop just freely Unscrew door leaf.
After door has been opened, rotating latch 7 is because the effect of torsion spring rotates, and the evagination face of movable cup 1 bottom do not stopped, fixed cup spring 6 is with activity glass 1 pushed home outward, the evagination face or steel ball 8 pushed home of movable cup 1 bottom, this moment, lockset was returned to locking state.Movable cup 1 fixed cup spring 6 in returning the process of original position can be pushed into ball 4 in the conical recess of fixed cup 5 taper seat sections, and push rod 3 is retreated by the promotion of movable cup spring 2, and its cylindrical section blocks ball 4 in conical recess.
The appearance of described movable cup 1 bottom is the sphere or the conical surface.The sphere or the conical surface directly are produced on movable cup 1 bottom appearance, reduce number of spare parts, and be simple in structure, easy to assembly.
Appearance in described movable cup 1 bottom is placed steel ball 8.Put steel ball 8 in addition in movable cup 1 bottom appearance, easy to process, steel ball is a standard component.
Described emergent control switch is mechanical compressing actuation button.Can directly adopt hand to press mechanical botton, simple and reliable for structure.
Described emergent control switch is the movable core of electromagnetic solenoid 9.Can adopt closely electric or the far distance controlled mode, be switched on or switched off power supply by electromagnetic solenoid 9 and movable core is moved back and forth touch push rod 3, the strength that compresses, touches push rod 3 only needs very little, and therefore, the power that electromagnetic solenoid 9 drives is enough.
Described movable core and described 3 coaxial connections of push rod.Look the locations of structures of lockset inside, can be by the direct coaxial connection movable core of movable core.Also can be connected with described push rod 3 by quadric chain by described movable core, make electromagnetic solenoid 9 be installed in other end gauge tap.
Adopt the technical program to solve under preloading condition, under the state of emergency of the prior art stuck, kill, the defective that pushes away tighter and tighter, and as long as a very little triggering power should be able to allow door leaf easily open, guarantee at the preloading condition downward swing door safety exit of indoor occupant under the state of emergency.
Claims (8)
1. the door latch structure opened of a preloading is characterized in that:
Described mechanism comprises movable cup (1) and a fixed cup (5), two glasss bottom is placed one piece of movable cup spring (2) and fixed cup spring (6) respectively, two glasss of openings in opposite directions, movable cup (1) can be inserted in the fixed cup (5) with moving axially, a spring outside configuration push rod (3) of movable cup (1);
Described push rod (3) is a syllogic, i.e. cylindrical section, conical section and the long feeler lever section that cooperates with movable cup (1) inner chamber phase shift, and the circular hole that the stock section is passed bottom fixed cup spring (6) and the fixed cup (5) exposes;
Described fixed cup (5) inner chamber is a syllogic, and promptly near outer section of rim of a cup be the face of cylinder near section in the bottom, the centre is a taper seat for one section, places some balls (4) in the taper seat section;
Movable cup (1) is inserted two location statuss, i.e. free state and compressive state in the fixed cup (5):
Described free state is: the some balls (4) in the fixed cup (5) are positioned at the conical recess of taper seat section, the cylindrical section outer ring of push rod (3), and movable cup (1) is positioned at outer section of fixed cup (5);
Described compressive state is: the some balls (4) in push rod (3) the activity compression cup spring (2), fixed cup (5) are positioned at the conical section of push rod (3), section in the fixed cup (5), and movable cup (1) enters the taper seat section of fixed cup (5) at least;
The stock section that emergent control switch actuating push rod (3) exposes;
The appearance of described movable cup (1) bottom is a raised face (RF), withholds mutually with the sharp-crested of rotating latch (7).
2. according to the described door latch structure of claim 1, it is characterized in that the appearance of described movable cup (1) bottom is the sphere or the conical surface.
3. according to the described door latch structure of claim 1, it is characterized in that placing steel ball (8) in the appearance of described movable cup (1) bottom.
4. according to the described door latch structure of claim 1, it is characterized in that described emergent control switch is mechanical compressing actuation button.
5. according to the described door latch structure of claim 1, it is characterized in that described emergent control switch is the movable core of electromagnetic solenoid (9).
6. according to the described door latch structure of claim 5, it is characterized in that described movable core and coaxial connection of described push rod (3).
7. according to the described door latch structure of claim 5, it is characterized in that described movable core is connected with described push rod (3) by quadric chain.
8. according to the described door latch structure of claim 1, it is characterized in that the ball (4) of described taper seat section is 3 or 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009200768985U CN201433611Y (en) | 2009-06-23 | 2009-06-23 | Door lock structure capable of being opened under pre-pressing state |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009200768985U CN201433611Y (en) | 2009-06-23 | 2009-06-23 | Door lock structure capable of being opened under pre-pressing state |
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CN201433611Y true CN201433611Y (en) | 2010-03-31 |
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Application Number | Title | Priority Date | Filing Date |
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CN2009200768985U Expired - Fee Related CN201433611Y (en) | 2009-06-23 | 2009-06-23 | Door lock structure capable of being opened under pre-pressing state |
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CN (1) | CN201433611Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101581172B (en) * | 2009-06-23 | 2011-12-21 | 上海欧一安保器材有限公司 | Door lock structure opening and closing in preloading condition |
CN114532748A (en) * | 2022-02-15 | 2022-05-27 | 江西中盾安保科技有限公司 | Intelligent protective equipment cabinet |
-
2009
- 2009-06-23 CN CN2009200768985U patent/CN201433611Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101581172B (en) * | 2009-06-23 | 2011-12-21 | 上海欧一安保器材有限公司 | Door lock structure opening and closing in preloading condition |
CN114532748A (en) * | 2022-02-15 | 2022-05-27 | 江西中盾安保科技有限公司 | Intelligent protective equipment cabinet |
CN114532748B (en) * | 2022-02-15 | 2024-01-26 | 江西中盾安保科技有限公司 | Intelligent protective equipment storage cabinet |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20120623 |