CN203716644U - Door lock - Google Patents
Door lock Download PDFInfo
- Publication number
- CN203716644U CN203716644U CN201420084816.2U CN201420084816U CN203716644U CN 203716644 U CN203716644 U CN 203716644U CN 201420084816 U CN201420084816 U CN 201420084816U CN 203716644 U CN203716644 U CN 203716644U
- Authority
- CN
- China
- Prior art keywords
- latch bolt
- housing
- assembly
- door lock
- inclined tongue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lock And Its Accessories (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
The utility model relates to a door lock, and aims to provide the door lock which has an inclined tongue locked in a shell body and has long service life. The door lock comprises the shell body, and a lock cylinder assembly, a handle assembly and an inclined tongue assembly mounted in the shell body; the inclined tongue assembly comprises a reset spring, an inclined tongue which can extend out of the shell body and is used for limiting the opening of a door, and an inclined tongue rod which is fixedly connected with the inclined tongue; an inclined tongue stirring piece is in linkage connection between the inclined tongue rod and the stirring wheel; spherical limiting parts are symmetrically arranged on the two sides of the inclined tongue; an inclined tongue cavity allowing the inclined tongue to retract into the shell body is formed in the shell body; limiting grooves are formed in the two sides, corresponding to the positions where the spherical limiting parts are positioned, of the inclined tongue cavity; the limiting grooves are placed in the springs, are fixedly connected with the springs, and can be clamped with limiting pieces on the spherical limiting parts; a pressure piece is fixedly connected with the inclined tongue rod; the pressure piece is movably cooperated with a screw adjusting assembly for adjusting pre-tightening force of the reset spring; the reset spring is placed between the screw adjusting assembly and the pressure piece.
Description
Technical field
The utility model relates to a kind of field of lockset, more particularly: it relates to a kind of door lock.
Background technology
Door lock apply widely with all types of door on, it mainly comprises housing, be arranged on the lock core assembly in housing, Handleset and latch bolt assembly, lock core assembly, Handleset is connected with described latch bolt assembly respectively, under conventional state, latch bolt is exposed outside housing, door lock is controlled latch bolt at operating grip assembly and is inside contracted then and just can open door toward housing, when hand departs from and no longer during driving handle assembly, latch bolt can reset again and give prominence to surface of shell, such door lock lacks skew bolt lock is fixed in housing and arranged, when door lock is often arranged in room that someone comes in and goes out or communal facility, but door need to close and not need again to lock, because the frequency of opening the door is very large, opening the door each time all needs operating grip assembly to control the flexible of latch bolt, long adding frequently operated and opened time one, the fatigue strength of the super door lock of fortune, reduce the application life of door lock.
Utility model content
The deficiency existing for prior art, the utility model provides a kind of and skew bolt lock can be fixed in housing, the door lock of long service life.
For achieving the above object, the utility model provides following technical scheme: a kind of door lock, comprise housing, be arranged on the lock core assembly in housing, Handleset and latch bolt assembly, described lock core assembly, Handleset is connected with described latch bolt assembly respectively, described Handleset comprises and is placed in housing thumb wheel and is arranged on housing for driving the handle of thumb wheel rotation, described latch bolt assembly comprises back-moving spring, the latch bolt of opening in order to limiting door that can stretch out from housing and the oblique tongue rod being fixedly connected with latch bolt, the latch bolt plectrum that has been connected between described oblique tongue rod and thumb wheel, described latch bolt bilateral symmetry is provided with spherical limiting section, in described housing, be provided with for the latch bolt chamber in latch bolt indentation housing, the both sides of corresponding spherical limiting section position, described latch bolt chamber are provided with stopper slot, described stopper slot is built in spring and is fixedly connected with described spring and can be connected to the locating part on spherical limiting section, on described oblique tongue rod, be fixedly connected with compressing tablet, described compressing tablet activity is combined with the adjustable diameter and screw adjusting assembly that regulates the pre-police strength of back-moving spring, described back-moving spring is placed between described adjustable diameter and screw adjusting assembly and compressing tablet.
By adopting technique scheme, this door lock rotary handle when opening drives thumb wheel, moving to right and then driving latch bolt contracting latch bolt in latch bolt chamber and in this process first to push locating part of thumb wheel conflict latch bolt plectrum and control oblique tongue rod inside contracts toward stopper slot, then the locating part in stopper slot snaps fit onto in spherical limiting section and the active force of this restriction is greater than the restoring force of back-moving spring under Spring driving, realize the unlatching of this door lock and the locking of latch bolt, in the time need to realizing the closing of door lock, by adjustable screw adjusting part, change the pre-police strength of back-moving spring, strengthen the restoring force of back-moving spring and made this restoring force be greater than the restraint of locating part and spherical limiting section formation, realize the release of latch bolt, and then the locking of realization door, solved the problem existing when door lock is often arranged in room that someone comes in and goes out or communal facility, but Ru Yi office is example door need to close, do not need again to lock, this door lock has been realized skew bolt lock and has been fixed on the function in housing latch bolt chamber, solved frequent operation Handleset, easily cause door lock infringement, significantly promote the application life of door lock.
The utility model is further set to: described adjustable diameter and screw adjusting assembly comprises adjusting screw(rod), the adjusting nut being threaded with described adjusting screw(rod), described adjusting screw(rod) is slidably fitted in oblique tongue rod, described back-moving spring is placed between described compressing tablet and adjusting nut, described adjusting nut is provided with limiting through hole, described limiting through hole matched in clearance limited location bar, described gag lever post one end is fixed on housing, and the other end runs through limiting through hole and the compressing tablet of conflicting.
By adopting technique scheme, adjustable diameter and screw adjusting assembly has been realized the adjusting of the pre-police strength of back-moving spring, when rotation adjusting screw(rod) drives adjusting nut rotation due to adjusting nut upper limit through hole and at limiting through hole matched in clearance limited location bar, adjusting nut only can move at the axial direction of gag lever post so, realize adjusting nut to back-moving spring or compression, or recover, and then realize the pre-police strength of spring and regulate, so just can change the restoring force of back-moving spring and make this restoring force be greater than the restraint of locating part and spherical limiting section formation, realize the release of latch bolt, guarantee the flexible control of latch bolt.
The utility model is further set to: relatively spherical limiting section one side of described locating part is provided with the spherical protuberance suitable with spherical limiting section.
By adopting technique scheme, the limitation function of locating part is coupled in spherical limiting section and is realized by spherical protuberance, the setting of spherical protuberance guarantees that latch bolt can be to opening locating part, and when adjustable screw adjusting part, guarantee that latch bolt ejects housing, this fit structure effective spacing and flexible in latch bolt chamber of latch bolt of having realized be set.
The utility model is further set to: described lock core assembly comprises lock core, slide plate and stay, one end of described slide plate has been wholely set boss, described stay is provided with blocked hole, and described lock core comprises lockhole and moves and make the boss card on slide plate establish the slide block in the blocked hole on stay for stirring the relative housing radial direction of slide plate.
By adopting technique scheme, the setting of lock core assembly is to guarantee that latch bolt is fixed on outside housing, realize the lock function of door lock, this function is inserted in lockhole by a key and is turned clockwise to drive slide block and slide plate is moved to the left and props up latch bolt, realizes locking when the boss card on slide plate is established on the blocked hole on stay.
The utility model is further set to: described housing is provided with for limiting the articulated column of latch bolt plectrum.
By adopting technique scheme, the arranging to have realized of articulated column fixed and limits latch bolt plectrum, avoids because of the excessive inefficacy that causes latch assembly of latch bolt plectrum reset force, and the latch assembly of guaranteeing is spacing to latch bolt.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of door lock of the utility model is opened;
Fig. 2 is the structural representation that a kind of door lock of the utility model is closed.
In figure: 1, housing; 11, articulated column; 2, lock core assembly; 21, lock core; 211, lockhole; 212, slide block; 22, slide plate; 221, boss; 23, stay; 231, blocked hole; 3, Handleset; 31, thumb wheel; 32, handle; 4, latch bolt assembly; 41, latch bolt; 411, spherical limiting section; 42, oblique tongue rod; 421, compressing tablet; 43, back-moving spring; 44, latch bolt plectrum; 45, latch bolt chamber; 5, stopper slot; 51, spring; 52, locating part; 521, spherical protuberance; 6, adjustable diameter and screw adjusting assembly; 61, adjusting screw(rod); 62, adjusting nut; 621, limiting through hole; 622, gag lever post.
The specific embodiment
Shown in seeing figures.1.and.2, a kind of door lock of the present embodiment, comprise housing 1, be arranged on the lock core assembly 2 in housing 1, Handleset 3 and latch bolt assembly 4, described lock core assembly 2, Handleset 3 is connected with described latch bolt assembly 4 respectively, described Handleset 3 comprises and is placed in the interior thumb wheel 31 of housing 1 and is arranged on housing 1 for driving the handle 32 of thumb wheel 31 rotations, described latch bolt assembly 4 comprises back-moving spring 43, the latch bolt 41 of opening in order to limiting door that can stretch out from housing 1 and the oblique tongue rod 42 being fixedly connected with latch bolt 41, the latch bolt plectrum 44 that has been connected between described oblique tongue rod 42 and thumb wheel 31, described latch bolt 41 bilateral symmetry are provided with spherical limiting section 411, in described housing 1, be provided with for the latch bolt chamber 45 in latch bolt 41 indentation housings 1, the both sides of corresponding spherical limiting section 411 positions, described latch bolt chamber 45 are provided with stopper slot 5, described stopper slot 5 is built in spring 51 and is fixedly connected with and can be connected to the locating part 52 on spherical limiting section 411 with described spring 51, on described oblique tongue rod 42, be fixedly connected with compressing tablet 421, described compressing tablet 421 activities are combined with the adjustable diameter and screw adjusting assembly 6 that regulates back-moving spring 43 pre-police strength, described back-moving spring 43 is placed between described adjustable diameter and screw adjusting assembly 6 and compressing tablet 421.
This door lock rotary handle 32 when opening drives thumb wheels 31, moving to right and then driving latch bolt 41 contractings latch bolt 41 in latch bolt chamber 45 and in this process first to push locating part 52 of thumb wheel 31 conflict latch bolt plectrums 44 and control oblique tongue rod 42 inside contracts toward stopper slot 5, then the locating part 52 in stopper slot 5 snaps fit onto in spherical limiting section 411 and the active force of this restriction is greater than the restoring force of back-moving spring 43 under spring 51 drives, realize the unlatching of this door lock and the locking of latch bolt 41, in the time need to realizing the closing of door lock, by adjustable screw adjusting part 6, change the pre-police strength of back-moving spring 43, strengthen the restoring force of back-moving spring 43 and made this restoring force be greater than the restraint of locating part 52 and spherical limiting section 411 formations, realize the release of latch bolt 41, and then the locking of realization door, solved the problem existing when door lock is often arranged in room that someone comes in and goes out or communal facility, but Ru Yi office is example door need to close, do not need again to lock, this door lock has been realized latch bolt 41 and has been locked in the function in housing 1 latch bolt chamber 45, solved frequent operation Handleset, easily cause door lock infringement, significantly promote the application life of door lock.
Described adjustable diameter and screw adjusting assembly 6 comprises adjusting screw(rod) 61, the adjusting nut 62 being threaded with described adjusting screw(rod) 61, described adjusting screw(rod) 61 is slidably fitted in oblique tongue rod 42, described back-moving spring 43 is placed between described compressing tablet 421 and adjusting nut 62, described adjusting nut 62 is provided with limiting through hole 621, described limiting through hole 621 matched in clearance limited location bars 622, described gag lever post 622 one end are fixed on housing 1, and the other end runs through limiting through hole 621 and the compressing tablet 421 of conflicting.
Adjustable diameter and screw adjusting assembly 6 has been realized the adjusting of back-moving spring 43 pre-police strength, when rotation adjusting screw(rod) 61 drives adjusting nut 62 rotation, due to adjusting nut 62 upper limit through holes 621 and at limiting through hole 621 matched in clearance limited location bars 622, 62 meetings of adjusting nut are moved at the axial direction of gag lever post 622 so, realize 62 pairs of back-moving springs 43 of adjusting nut or compression, or recover, and then realize the pre-police strength of back-moving spring 43 and regulate, so just can change the restoring force of back-moving spring 43 and make this restoring force be greater than the restraint of locating part 52 and spherical limiting section 411 formations, realize the release of latch bolt 41, guarantee the flexible control of latch bolt 41.
Relatively spherical limiting section 411 1 sides of described locating part 52 are provided with the spherical protuberance 521 suitable with spherical limiting section 411.
The limitation function of locating part 52 is coupled to the interior realization of spherical limiting section 411 by spherical protuberance 521, the setting of spherical protuberance 521 guarantees that latch bolt 41 can be to opening locating part 52, and when adjustable screw adjusting part 6, guarantee that latch bolt 41 ejects housings 1, this fit structure effective spacing and flexible in latch bolt chamber 45 of latch bolt 41 of having realized be set.
Described lock core assembly 2 comprises lock core 21, slide plate 22 and stay 23, one end of described slide plate 22 has been wholely set boss 221, described stay 23 is provided with blocked hole 231, and described lock core 21 comprises lockhole 211 and moves and make boss 221 cards on slide plate 22 establish the slide block 212 in the blocked hole 231 on stay 23 for stirring relative housing 1 radial direction of slide plate 22.
The setting of lock core assembly 2 is to guarantee that latch bolt 41 is fixed on outside housing 1, realize the lock function of door lock, this function is inserted in lockhole 211 by a key and is turned clockwise to drive slide block 212 and slide plate 22 is moved to the left and props up latch bolt 41, realizes locking when boss 221 cards on slide plate 22 are established on the blocked hole 231 on stay 23.
Described housing 1 is provided with for limiting the articulated column 11 of latch bolt plectrum 44, and arranging of articulated column 11 realized and restriction fixing to latch bolt plectrum 44.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a door lock, comprise housing, be arranged on the lock core assembly in housing, Handleset and latch bolt assembly, described lock core assembly, Handleset is connected with described latch bolt assembly respectively, described Handleset comprises and is placed in housing thumb wheel and is arranged on housing for driving the handle of thumb wheel rotation, described latch bolt assembly comprises back-moving spring, the latch bolt of opening in order to limiting door that can stretch out from housing and the oblique tongue rod being fixedly connected with latch bolt, the latch bolt plectrum that has been connected between described oblique tongue rod and thumb wheel, it is characterized in that: described latch bolt bilateral symmetry is provided with spherical limiting section, in described housing, be provided with for the latch bolt chamber in latch bolt indentation housing, the both sides of corresponding spherical limiting section position, described latch bolt chamber are provided with stopper slot, described stopper slot is built in spring and is fixedly connected with described spring and can be connected to the locating part on spherical limiting section, on described oblique tongue rod, be fixedly connected with compressing tablet, described compressing tablet activity is combined with the adjustable diameter and screw adjusting assembly that regulates the pre-police strength of back-moving spring, described back-moving spring is placed between described adjustable diameter and screw adjusting assembly and compressing tablet.
2. a kind of door lock according to claim 1, it is characterized in that: described adjustable diameter and screw adjusting assembly comprises adjusting screw(rod), the adjusting nut being threaded with described adjusting screw(rod), described adjusting screw(rod) is slidably fitted in oblique tongue rod, described back-moving spring is placed between described compressing tablet and adjusting nut, described adjusting nut is provided with limiting through hole, described limiting through hole matched in clearance limited location bar, described gag lever post one end is fixed on housing, and the other end runs through limiting through hole and the compressing tablet of conflicting.
3. a kind of door lock according to claim 2, is characterized in that: relatively spherical limiting section one side of described locating part is provided with the spherical protuberance suitable with spherical limiting section.
4. according to a kind of door lock described in claim 1～3 any one, it is characterized in that: described lock core assembly comprises lock core, slide plate and stay, one end of described slide plate has been wholely set boss, described stay is provided with blocked hole, and described lock core comprises lockhole and moves and make the boss card on slide plate establish the slide block in the blocked hole on stay for stirring the relative housing radial direction of slide plate.
5. a kind of door lock according to claim 4, is characterized in that: described housing is provided with for limiting the articulated column of latch bolt plectrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084816.2U CN203716644U (en) | 2014-02-27 | 2014-02-27 | Door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084816.2U CN203716644U (en) | 2014-02-27 | 2014-02-27 | Door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716644U true CN203716644U (en) | 2014-07-16 |
Family
ID=51155811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084816.2U Expired - Fee Related CN203716644U (en) | 2014-02-27 | 2014-02-27 | Door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716644U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775672A (en) * | 2015-05-06 | 2015-07-15 | 张泽 | Door handle structure |
| CN109844245A (en) * | 2016-10-19 | 2019-06-04 | 罗托·弗兰克公司 | Lock and corresponding locking device for praedial locking device |
| CN110984700A (en) * | 2019-12-17 | 2020-04-10 | 温州华意利五金装饰有限公司 | Mute door lock |
| CN111021847A (en) * | 2019-12-28 | 2020-04-17 | 北京诚品宏通科技发展有限公司 | Novel fireproof lock |
| CN111335758A (en) * | 2020-04-01 | 2020-06-26 | 上海恩坦华汽车门系统有限公司 | Disc spring mechanism |
-
2014
- 2014-02-27 CN CN201420084816.2U patent/CN203716644U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775672A (en) * | 2015-05-06 | 2015-07-15 | 张泽 | Door handle structure |
| CN109844245A (en) * | 2016-10-19 | 2019-06-04 | 罗托·弗兰克公司 | Lock and corresponding locking device for praedial locking device |
| CN110984700A (en) * | 2019-12-17 | 2020-04-10 | 温州华意利五金装饰有限公司 | Mute door lock |
| CN111021847A (en) * | 2019-12-28 | 2020-04-17 | 北京诚品宏通科技发展有限公司 | Novel fireproof lock |
| CN111335758A (en) * | 2020-04-01 | 2020-06-26 | 上海恩坦华汽车门系统有限公司 | Disc spring mechanism |
| CN111335758B (en) * | 2020-04-01 | 2024-05-28 | 上海恩坦华汽车门系统有限公司 | Disc spring mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140716 Termination date: 20160227 |