CN201778570U - Improved structure of automatic unlocking device of mortise door lock - Google Patents
Improved structure of automatic unlocking device of mortise door lock Download PDFInfo
- Publication number
- CN201778570U CN201778570U CN2010201541242U CN201020154124U CN201778570U CN 201778570 U CN201778570 U CN 201778570U CN 2010201541242 U CN2010201541242 U CN 2010201541242U CN 201020154124 U CN201020154124 U CN 201020154124U CN 201778570 U CN201778570 U CN 201778570U
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- Prior art keywords
- dead bolt
- connecting rod
- knob
- unlocking device
- door lock
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Abstract
The utility model discloses an improved structure of an automatic unlocking device of a mortise door lock, which comprises a tilt lock bolt 2, a bolt connecting rod 4 and a knob transmission mechanism 5, wherein the bolt connecting rod 4 is connected to the tail end of the tilt lock bolt 2. The improved structure of an automatic unlocking device of a mortise door lock is characterized by further comprising a spiral spring 6 and a sliding pusher 7, wherein the bolt connecting rod 4 is connected to the tail end of the tilt lock bolt 2 and located between the sliding pusher 7 and the tail end of the tilt bolt 2, and the knob transmission mechanism 5 is in transmission connection with the sliding pusher 7. When the tilt bolt 4 is pressed manually and simultaneously an inner switch knob 9 rotates forcedly, the sliding pusher 7 can press the spiral spring 6 and slide upwards, thereby reducing damage to inner parts of the knob transmission mechanism 5. The improved structure of an automatic unlocking device of a mortise door lock has the advantages of simple and stable structure, convenience in installation, capability of reducing impact sound when the bolt retracts, long service life and the like, and can be applicable to automatic unlocking devices of various mortise door locks.
Description
Technical field
The utility model relates to a kind of mortise door lock, particularly the improvement structure of the auto-unlocking device of mortise door lock.
Background technology
At present, mortise door lock all adopts swing handle to regain oblique tongue to unblank usually.Wherein part is used for the mortise door lock of similar applications such as room, rest room, and indoor knob is set usually, by the rotation of its locked hand, makes handle can not open door rotating outdoors.Do not locked in order to make door lock by mistake, number of patent application is ZL200820048124.7, name is called the technical scheme of " auto-unlocking device of mortise door lock ", as shown in Figure 5, disclosed a kind of auto-unlocking device of mortise door lock, comprise lock housing 1, be contained in oblique dead bolt 2 and inner button 4 in the described lock housing 1, also be provided with release mechanism in the described lock housing 1, the bottom face 21 of described release mechanism one end and described oblique dead bolt 2 is in transmission connection, and the other end of described release mechanism and described inner button 4 are in transmission connection.Under door opening state, when inner button 4 is rotated to the state of locking by mistake, that is: with handlebar locked state, in the moment that the user closes the door, tiltedly dead bolt 2 is run into doorframe to lock housing 1 in the withdrawal process, and tiltedly the bottom face 21 of the dead bolt power that will bounce back passes to described release mechanism, and described release mechanism is converted into the power that described inner button 4 rotates with this power, make inner button 4 rotate to non-locking state, handlebar locked state is removed.Thereby reached the effect of the moment automatic unlocking of closing the door.
But, when the oblique dead bolt 2 that door lock is not closed on doorframe appropriately or incited somebody to action artificially is pressed in the lock housing 1, if twist by force again under the situation of inner button 4 (maloperation of installation personnel in order to cause under the situations such as performance of testing door lock when for example installing), because tiltedly dead bolt 2 is compressed in the lock housing 1, twist inner button 4 this moment by force, the torsion of switching knob 4 can be followed knob gear 42 and is delivered to travelling gear 9 and connecting rod handsetting gear 8 in described, group arm 81 of connecting rod handsetting gear 8 can remove to promote described connecting rod 5 by force, because the rigidity conflict between the part is caused in no buffer zone in fact in the transmission process, be easy to cause the damage of lock body inner body, finally damage door lock function at transmission process.
The utility model content
Above-mentioned prior art clearly changed effectively above-mentioned auto-unlocking device for want of be locked in by mistake outdoors problem and tiltedly dead bolt in the process of closing the door, cause the damage of dead bolt and doorframe with the mutual hard collision of doorframe; But its above-mentioned defective also requires further improvement.At the prior art deficiency, the utility model need effectively prevent from locked outdoors on the one hand by mistake, can avoid again on the other hand causing damage to the lock body inner body because of the maloperation factor.For achieving the above object, the utility model is taked following technical scheme:
The improvement structure of the auto-unlocking device of mortise door lock comprises oblique dead bolt 2, is connected the dead bolt connecting rod 4 and the knob transmission mechanism 5 of described oblique dead bolt 2 tail ends; It is characterized in that: also comprise the helical spring 6 and the slip pushing block 7 that are set on slidably on the described dead bolt connecting rod 4, described helical spring 6 is between the tail end of described slip pushing block 7 and described oblique dead bolt 2, and described knob transmission mechanism 5 is in transmission connection with described slip pushing block 7.
Described auto-unlocking device is installed in the lock housing 1; Wherein said lock housing 1 is made up of base plate 11 and cover plate, base plate 11 is for holding the fixedly open type cavity of each part of mortise door lock, the cover plate of lock housing 1 covers on lock shell plate 11, and by modes such as screw, buckles base plate 11 and cover plate is fixed together, and constitutes the lock housing 1 of holding various parts.
Described auto-unlocking device is when the interior switching knob 9 of rotation and then drives the lock-out state of described knob transmission mechanism 5 to door lock, after promptly locking described oblique dead bolt 2, though can not open the door by the revolving door handle outdoors, but when door when itself being open mode, the moment (described auto-unlocking device) that Jiang Men closes the lock-out state of described oblique dead bolt 2 can be given again release also make simultaneously described in switching knob 9 rotate to the device of unlocked position.
Described oblique dead bolt 2 is can stretch on lock body and and then realize the parts lock a door or open the door.The tail end of described oblique dead bolt 2 is provided with dead bolt connecting rod 4, described oblique dead bolt 2 telescopic movings of described dead bolt connecting rod 4 guiding.Secondly the back-moving spring 41 that makes described dead bolt connecting rod 4 reseting movements can also be set on described lock body.
Described knob transmission mechanism 5 is the systems that transmit the moment of described oblique dead bolt 2 or described interior switching knob 9, and the miscellaneous part in can promoting to lock moves.
Under door opening state, in rotation is described, can drive described knob transmission mechanism 5 during switching knob 9 and rotate and make lock body enter to the state of locking, soon handle is locked; If pulling this moment door handle is closed the door, the moment of closing the door, described oblique dead bolt 2 is run into doorframe in lock housing 1 in the withdrawal process, described oblique dead bolt 2 by described helical spring 6 drive described slip pushing block 7 contract downwards will retraction power pass to described knob transmission mechanism 5, not only described knob transmission mechanism 5 is removed but also is driven described interior switching knob 9 with the locking states of door lock and rotates to the releasing position at this moment, be that described interior switching knob 9 rotates to non-locking state, handlebar locked state is removed, thereby has reached the effect of the moment automatic unlocking of closing the door.
Further technical scheme can also be, on described dead bolt connecting rod 4 positioner 8 is set, and described helical spring 6 and described slip pushing block 7 are between the tail end of described positioner 8 and described oblique dead bolt 2.Described positioner 8 can be with the movable stroke limiting of described helical spring 6 and described slip pushing block 7 in certain scope of activities, and makes and form reliable transmission between described slip pushing block 7 and the described knob transmission mechanism 5 and cooperate.
Further technical scheme can also be that described positioner 8 is arranged on described dead bolt connecting rod 4 convex platforms 81.Can make the simple in structure of described positioner 8 like this and make, assemble simple.
Further technical scheme can also be, described knob transmission mechanism 5 comprises the torque transmission mechanism that connecting rod handsetting gear 51, travelling gear 52 and knob gear 53 are formed, and is in transmission connection by described travelling gear 52 between described connecting rod handsetting gear 51 and the described knob gear 53; Be provided with on the described connecting rod handsetting gear 51 and dial arm 511, the tail end of described slip pushing block 7 and described group of arm 511 are in transmission connection.Operate steadily by the not only described knob transmission mechanism 5 of the transmission of gear train like this but also can change the moment size of transmittance process.
Further technical scheme can also be, switching knob 9 in also comprising, and described interior switching knob 9 removably is connected with the central axis of described knob gear 53.
Compared with prior art, the utility model since described helical spring 6 and described slip pushing block 7 be sleeved on described dead bolt connecting rod 4 spacing, and described dead bolt connecting rod 4 is in, and the sliding trace to described slip pushing block 7 positions on the axis of oblique dead bolt 2, make described slip pushing block 7 along with the flexible of described oblique dead bolt 2 process stabilization of stretching motion, and then make whole auto-unlocking device work more stable.When secondly the oblique dead bolt 2 of not closing on doorframe appropriately or inciting somebody to action artificially when door lock is pressed in the lock housing 1, if twist by force again under the situation of inner button 9, the arm 511 of dialling on the travelling gear 51 of knob transmission mechanism 5 rotates up promotion slip pushing block 2 compression helical springs 6 and upwards slip at this moment, because slip pushing block 7 is upwards having certain stroke space in the sliding process, alleviate because of causing the damage of the particularly described knob transmission mechanism 5 of lock body inner body in the maloperation power transmittance process thereby avoid rigidity conflict in transmittance process to reach.
Owing to the utlity model has above-mentioned advantage, so can be widely used in the auto-unlocking device of all kinds of mortise door locks.
Description of drawings
Fig. 1 is the structural representation that is positioned at described auto-unlocking device when locking the position among the embodiment one at interior switching knob 9;
Fig. 2 be among the embodiment one when interior switching knob 9 is positioned at lock position not the structural representation of described auto-unlocking device;
Fig. 3 is the structural representation of oblique dead bolt complete automatic unlocking of 2 retraction moment described in the embodiment one;
Fig. 4 be under the situation of artificial abuse among the embodiment one by declivity dead bolt 2 and rotate by force described in structural representation during switching knob 9;
Fig. 5 is the structural representation of mortise door lock in the background technology.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the specific embodiment of the present utility model:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the improvement structure of the auto-unlocking device of mortise door lock comprises lock housing 1, is contained in oblique dead bolt 2, the dead bolt connecting rod 4 that is connected described oblique dead bolt 2 tail ends and knob transmission mechanism 5 in the described lock housing 1; Also comprise the helical spring 6 and the slip pushing block 7 that are set on slidably on the described dead bolt connecting rod 4, described helical spring 6 is between the tail end of described slip pushing block 7 and described oblique dead bolt 2, and described knob transmission mechanism 5 is in transmission connection with described slip pushing block 7.Wherein said slip pushing block 7 can also be polygon, can also be circle.
Described lock housing 1 is made up of base plate 11 and cover plate (not drawing among the figure), base plate 11 is for holding the fixedly open type cavity of each part of mortise door lock, the cover plate of lock housing 1 covers on lock shell plate 11, and by modes such as screw, buckles base plate 11 and cover plate are fixed together, constitute the lock housing 1 of holding various parts.
Described knob transmission mechanism 5 comprises connecting rod handsetting gear 51, travelling gear 52, knob gear 53 and three circle deformed springs 54, the torque transmission mechanism of switching knob 9 was in transmission connection by described travelling gear 52 between described connecting rod handsetting gear 51 and the described knob gear 53 in they were formed; Be provided with on the described connecting rod handsetting gear 51 and dial arm 511, the tail end of described slip pushing block 7 and described group of arm 511 are in transmission connection; Described three circle deformed springs 54 automatically reset described knob transmission mechanism 5.
Described interior switching knob 9 passes described housing 1 and is connected with the central axis of described knob gear 53; The central axis of wherein said knob gear 53 is provided with square through hole, and the square shaft that is provided with on the described interior switching knob 9 inserts in the described square through hole.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, described dead bolt connecting rod 2 tail ends are provided with the boss 13 of two symmetries, corresponding on the base plate 11 of described lock housing 1 and the cover plate hole or the groove suitable with described boss 13 be set, corresponding hole or the cooperation between the groove is fixed on described dead bolt connecting rod 4 in the described lock housing 1 slidably on base plate 11 by described boss 13 and described lock housing 1 and the cover plate.
The boss 81 that two symmetries are established at described dead bolt connecting rod 4 middle parts is as the locator of described slip pushing block 7 and can limit the sliding scale that is set on the described slip pushing block 7 on the described dead bolt connecting rod 4, the described helical spring 6 that is set on described dead bolt connecting rod 4 is compressed between described oblique dead bolt 2 and the described slip pushing block 7, and described helical spring 6 presses against described slip pushing block 7 on the described boss 81 of described oblique dead bolt connecting rod 4.The described boss 81 that is provided with on the wherein said dead bolt connecting rod 4 is for being symmetrical arranged and removably being connected on the described oblique dead bolt connecting rod 4.Secondly as the described boss 81 of scheme that is equal to also can be fixed on the described oblique dead bolt connecting rod 4 or with described oblique dead bolt connecting rod 4 integrated protrusion limits.
As shown in Figure 1, the auto-unlocking device of mortise door lock is in locking state, during rotating handles switch block 15, described insurance is dialled and is inserted 10 and withstand oblique tongue and dial and insert 14 top and described oblique tongue is dialled insert 14 and can not be rotated by clockwise direction, also just can not continue to compress described oblique dead bolt connecting rod 4 and then described oblique dead bolt 2 is recovered in the lock housing 1, be about to handle and locked.
As shown in Figure 2, the auto-unlocking device of mortise door lock is in non-locking state, when rotating described handle switch block 15, handle rotation and generation moment are dialled described oblique tongue and are inserted the rotation of 14 clockwise directions, described oblique tongue is dialled to insert 14 rotations and promote described dead bolt connecting rod 4 and is moved down, described dead bolt connecting rod 4 drives in the described oblique dead bolt 2 withdrawal lock housings 1, and the back-moving spring 41 of described dead bolt connecting rod 4 tail ends is by past lower compression; When the moment of rotating handles disappeared, the elastic force that described back-moving spring 41 can produce upwards reinstatement upwards pushed away described dead bolt connecting rod 4, and described dead bolt connecting rod 4 promotes described oblique dead bolt 2 then and stretches out lock housing 1 outer reinstatement attitude.
As shown in Figure 3, described oblique dead bolt 2 by in the described lock housing of external force compression and back 1 (for example close the door moment doorframe with the described lock housing 1 of described oblique dead bolt 2 compression and back in), described oblique dead bolt 2 by described helical spring 6 drive described slip pushing block 7 contract downwards will retraction power pass to described knob transmission mechanism 5, described knob transmission mechanism 5 is delivered to described interior switching knob 9 with this power and is converted into the power of rotation, makes described interior switching knob 9 rotate to non-locking state.
As shown in Figure 4, when door lock is not closed on doorframe appropriately or be pressed into described oblique dead bolt 2 in the described lock housing 1 artificially, if twist by force again under the situation of described interior switching knob 9, the arm 511 of dialling on the described travelling gear 51 of described knob transmission mechanism 5 rotates up the described slip pushing block 7 of promotion at this moment, described described helical spring 6 of slip pushing block 7 compressions and upwards slight the slip, described slip pushing block 7 is upwards forming enough cushion spaces in the sliding process, thus avoid in the moment transmittance process rigidity conflict between the part to reach alleviating because of the people for causing the damage of lock body inner body in the power transmittance process of maloperation.
Claims (5)
1. the improvement structure of the auto-unlocking device of mortise door lock comprises oblique dead bolt (2), is connected the dead bolt connecting rod (4) and the knob transmission mechanism (5) of described oblique dead bolt (2) tail end; It is characterized in that: also comprise the helical spring (6) and the slip pushing block (7) that are set on slidably on the described dead bolt connecting rod (4), described helical spring (6) is positioned between the tail end of described slip pushing block (7) and described oblique dead bolt (2), and described knob transmission mechanism (5) is in transmission connection with described slip pushing block (7).
2. the improvement structure of the auto-unlocking device of mortise door lock according to claim 1, it is characterized in that: positioner (8) is set on described dead bolt connecting rod (4), and described helical spring (6) and described slip pushing block (7) are positioned between the tail end of described positioner (8) and described oblique dead bolt (2).
3. the improvement structure of the auto-unlocking device of mortise door lock according to claim 2, it is characterized in that: described positioner (8) is arranged on described dead bolt connecting rod (4) convex platform (81).
4. according to the improvement structure of the auto-unlocking device of claim 1,2 or 3 described mortise door locks, it is characterized in that: described knob transmission mechanism (5) comprises connecting rod handsetting gear (51), travelling gear (52) and knob gear (53), is in transmission connection by described travelling gear (52) between described connecting rod handsetting gear (51) and the described knob gear (53); Described connecting rod handsetting gear (51) is gone up to be provided with and is dialled arm (511), and the tail end of described slip pushing block (7) and described group of arm (511) are in transmission connection.
5. the improvement structure of the auto-unlocking device of mortise door lock according to claim 4 is characterized in that: also comprise interior switching knob (9), described in switching knob (9) removably be connected with the central axis of described knob gear (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201541242U CN201778570U (en) | 2010-04-02 | 2010-04-02 | Improved structure of automatic unlocking device of mortise door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201541242U CN201778570U (en) | 2010-04-02 | 2010-04-02 | Improved structure of automatic unlocking device of mortise door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201778570U true CN201778570U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201541242U Expired - Fee Related CN201778570U (en) | 2010-04-02 | 2010-04-02 | Improved structure of automatic unlocking device of mortise door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201778570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337811A (en) * | 2011-11-01 | 2012-02-01 | 长沙弘伟锁具有限公司 | Locking mechanism of mortice door lock |
| CN111734219A (en) * | 2020-07-30 | 2020-10-02 | 广东坚士制锁有限公司 | Transmission assembly for locking mechanism |
| CN111734220A (en) * | 2020-07-30 | 2020-10-02 | 广东坚士制锁有限公司 | Bolt assembly for lock mechanism |
-
2010
- 2010-04-02 CN CN2010201541242U patent/CN201778570U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337811A (en) * | 2011-11-01 | 2012-02-01 | 长沙弘伟锁具有限公司 | Locking mechanism of mortice door lock |
| CN111734219A (en) * | 2020-07-30 | 2020-10-02 | 广东坚士制锁有限公司 | Transmission assembly for locking mechanism |
| CN111734220A (en) * | 2020-07-30 | 2020-10-02 | 广东坚士制锁有限公司 | Bolt assembly for lock mechanism |
| CN111734220B (en) * | 2020-07-30 | 2021-10-15 | 广东坚士制锁有限公司 | Bolt assembly for lock mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Archie Hardware Co., Ltd. Assignor: Cao Guoji Contract record no.: 2012440000155 Denomination of utility model: Improved structure of automatic unlocking device of mortise door lock Granted publication date: 20110330 License type: Exclusive License Record date: 20120331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20170402 |