CN201891315U - Anti-prying door lock with hook tongue - Google Patents

Anti-prying door lock with hook tongue Download PDF

Info

Publication number
CN201891315U
CN201891315U CN2010206507695U CN201020650769U CN201891315U CN 201891315 U CN201891315 U CN 201891315U CN 2010206507695 U CN2010206507695 U CN 2010206507695U CN 201020650769 U CN201020650769 U CN 201020650769U CN 201891315 U CN201891315 U CN 201891315U
Authority
CN
China
Prior art keywords
hook
lock
dead bolt
tongue
screw rod
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
Application number
CN2010206507695U
Other languages
Chinese (zh)
Inventor
庄永东
成建明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YONGKANG CITY QIHAO LOCK CO Ltd
Original Assignee
YONGKANG CITY QIHAO LOCK CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YONGKANG CITY QIHAO LOCK CO Ltd filed Critical YONGKANG CITY QIHAO LOCK CO Ltd
Priority to CN2010206507695U priority Critical patent/CN201891315U/en
Application granted granted Critical
Publication of CN201891315U publication Critical patent/CN201891315U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to an anti-prying door lock with hook tongues, aiming at solving the problems that the structure of the existing antitheft lock is complex, the unlocking fault rate is high and the check force is poor. The anti-prying door lock with the hook tongues comprises a lock case, a lock core assembly and a lock tongue plate. A hole is arranged at the middle part of the lock tongue plate. A straight lock tongue is arranged in the hole. A push spring is arranged between the straight lock tongue and the bottom plate of the lock case. The anti-prying door lock with the hook tongues is characterized in that the straight lock tongue is a hollow lock tongue with an upper wall and a lower wall, the two sides of the inner chamber of the straight lock tongue are respectively hinged with a hook tongue, a door frame hook and a lock tongue plate hook are respectively formed on the external sides of the upper end and the lower end of each hook tongue, a limiting piece is arranged on the lock case, and a check end is formed at the lower part of the straight lock tongue, wherein the return travel of the check end is limited by the limiting piece when the straight lock tongue stretches out. The anti-prying door lock with the hook tongues has the advantages that the anti-prying structure of the hook tongues in the antitheft lock is simplified, the unlocking fault rate is low, the check force is strong, the lock is convenient to manufacture and the production cost is low; and since the lock tongue is provided with an automatic locking trigger device, a door can be locked conveniently, safely and the reliably.

Description

A kind of pick-proof door lock of buckle tongue
Technical field
The utility model relates to a kind of door lock, a kind of specifically pick-proof door lock of buckle tongue.
Background technology
An existing class theftproof lock is provided with the hook tongue in straight dead bolt, when door lock was in blocking, the hook tongue launched also trip and lives the doorframe lockhole in the doorframe lockhole, has solved the problem that straight dead bolt easily skids off in the doorframe lockhole.But the dead bolt of this theftproof lock does not have the barrier structure that stops the indentation of hook tongue, and the lawless person dials back the hook tongue in the dead bolt earlier easily, more straight dead bolt is prized from the doorframe lockhole, reaches the purpose of unblanking, so theftproof performance has much room for improvement.
Another kind of improved theftproof lock passes through the hinged hook tongue of hook tongue rivet in dead bolt, hook tongue rivet is provided with hook tongue torsion spring and corresponding withholding on hook tongue separately, the outside, two ends of hook tongue forms briar tooth respectively, a briar tooth is corresponding with the perforation on the lock housing, another briar tooth be fixed on lock housing on to lead bit slice corresponding.The lower end of two hook tongues is inboard to form internal stop, and forms hook tongue plug groove on the dead bolt between the two hook tongues, is provided with the hook tongue plug that matches with internal stop in the hook tongue plug groove.Hook tongue plug has stretching structure, when locking, hook tongue plug between two blocks to stop the indentation of hook tongue; When unblanking, hook tongue plug moves to hook tongue plug groove top and removes restriction to two hook tongues.This class anti-theft lock structure complexity, the fault rate of unblanking height, non-return is stressed poor.
The utility model content
The utility model provides a kind of pick-proof door lock of buckle tongue at the defective that prior art exists, and its hook tongue pick-proof is effective, rational in infrastructure, and the fault rate of unblanking is low, and non-return power is strong, is convenient to process and assemble, and cost of production is lower.
For this reason, the utility model is taked following technical scheme: a kind of pick-proof door lock of buckle tongue, comprise lock housing, the lock core assembly, bolt plate, the middle part of bolt plate has the hole, be provided with straight dead bolt in the hole, between the base plate of straight dead bolt and lock housing the promotion spring is set, it is characterized in that described straight dead bolt is with the hollow dead bolt of going up lower wall, its inner chamber both sides are hinged hook tongue respectively, on the described hook tongue, the outside at following two ends forms doorframe hook and dead bolt plate hook respectively, described lock housing is provided with a locating part, and retract stroke that straight dead bolt is formed at the bottom of described straight dead bolt when stretching out is limited by the non-return end of locating part.When straight dead bolt At time of eject, doorframe is hooked in the doorframe lockhole and launches, the bolt plate hook is hooked in the bolt plate downside, when the doorframe hook is prized, can impel straight dead bolt to move downward, can not move down straight dead bolt because the non-return end is subjected to stopping of locating part this moment, the doorframe hook is forced to launch, and reaches the purpose of pick-proof.When unblanking, owing to removed locating part to the stopping of non-return end, at this moment, straight dead bolt can downward without hindrance motion, promptly is pushed in the straight dead bolt after the doorframe hook touching bolt plate in the folding process, removes the lock-out state of doorframe hook.
Described non-return end is provided with the stopping means that matches with the lock core assembly, this stopping means comprises that one can and be positioned at locating part one side and can be connected to the non return part of locating part upper end around pin swing, described non-return end is the Extendible flake that straight dead bolt lower wall forms, and described non return part is positioned at the Extendible flake below.
Described locating part is a banking stop, described non return part is a positive stop hook, the positive stop hook torsion spring is set on the described positive stop hook and is hinged on the Extendible flake, described stopping means also comprises driving rack, have two elliptical apertures on the described driving rack, this driving rack is movably arranged on Extendible flake top by two elliptical apertures, and the lock core tooth engaged transmission on this driving rack and the lock core assembly also links mutually with positive stop hook.Insert key, after rotational lock core drive driving rack moves, impel the positive stop hook swing again and break away from banking stop, reach the release purpose.
Described positive stop hook is " Z " shape, its lower end kink is hinged on the Extendible flake, the guide pillar of elliptical aperture is passed in the lower end formation one of described driving rack, described guide pillar is resisted against on the strut rail sheet of positive stop hook bottom, and the two ends of described positive stop hook torsion spring are positioned at respectively in the groove of the reference column of Extendible flake bottom surface and positive stop hook bottom surface.When driving rack moved down, guide pillar pressed down the crosspiece sheet of positive stop hook bottom, made positive stop hook top to being pressed lopsidedness, broke away from banking stop, and dead bolt can be moved down smoothly.
On the described straight dead bolt flip flop equipment is set also, this flip flop equipment comprises roller, rolling wheel support, triggering screw rod, return spring, triggering screw rod spacer, triggers hook, triggers the hook torsion spring; The bottom of described straight dead bolt is provided with the triggering screw rod spacer of band centre bore, described roller is installed on the rolling wheel support, fixedly connected with the triggering screw rod in the bottom of rolling wheel support, described triggering screw rod passes described triggering screw rod spacer, and the triggering screw rod that triggers between screw rod spacer and the rolling wheel support is provided with return spring; Be provided with on the described triggering hook and trigger the hook torsion spring and be riveted on the Extendible flake, the cover plate of described lock housing is provided with spacer pin, described triggering hook comprises the blend stop of upper end and the oblique hook of lower end, and described oblique hook cooperates with spacer pin, and described blend stop is corresponding with triggering screw rod bottom.When theftproof lock was opened fully, tiltedly hook prevented that in order to catch on spacer pin dead bolt from ejecting outward; Behind the touching roller, the triggering screw rod is moved down, promote to trigger hook, trigger the hook swing and cause breaking away from spacer pin, dead bolt ejects lock housing under the thrust spring effect at this moment, and the doorframe hook also outwards ejects simultaneously., need not swing handle or insert key and locking a door rapid and convenient as long as roller touches doorframe and promptly realizes locking a door automatically at closing time.
Have locating hole on the described straight dead bolt, the elasticity positioning bead that matches with locating hole is set on the described hook tongue.At the straight complete At time of eject of dead bolt, the hook tongue also outwards stretches gradually, and positioning bead can effectively reduce parts depreciation; When the outwards expansion fully of hook tongue, this moment, positioning bead fell in the locating hole, finished hook tongue location.
Be provided with the spacer in a band correcting hole in the described lock housing, the accumulation of energy conduit that matches with the correcting hole is formed at the bottom of described straight dead bolt, and described promotion spring is installed in the accumulation of energy conduit, and the bottom of described promotion spring is arranged on the positive stop lug boss on the lock housing lower cover.The accumulation of energy conduit falls into locating hole, guarantees that straight dead bolt remains linear telescopic.
The other liner stiffener of the perforate of described bolt plate, the intensity of lifting bolt plate increases and destroys difficulty.
The beneficial effects of the utility model are embodied in: invented a kind of be hinged on the straight dead bolt and with the hook tongue of straight dead bolt synchronization telescope, and utilize locating part that is provided with in the lock housing and the stopping means that matches with the lock core assembly, when rotational lock core not, reach the straight dead bolt of restriction and move inward, promptly limit hook tongue indentation dead bolt simultaneously, simplified the pick-proof structure of hook tongue in the theftproof lock, the fault rate of unblanking is low, non-return power is strong, and is easy to process, and cost of production is lower.And on dead bolt, disposed the flip flop equipment that latches automatically, and lock a door conveniently, safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model unlocking condition schematic diagram (a dead bolt part broken section);
Fig. 3 is the utility model stopping means elevational schematic view;
Fig. 4 is the utility model flip flop equipment structural representation;
Among the figure: 1. lock housing 2. bolt plate 3. straight dead bolt 4. base plates 5. promote spring 6. hook tongues 7. doorframe hooks 8. dead bolt plate hooks 9. locating parts 10. Extendible flakes 11. non return parts 12. driving racks 13. elliptical apertures 14. lock core assemblies 15. core teeth 16. flip flop equipments 17. rollers 18. rolling wheel supports 19. and trigger screw rod 20. return springs 21. triggering screw rod spacers 22. triggering hooks 23. triggering hook torsion springs 24. spacer pins 25. blend stops 26. oblique hook 27. locating holes 28. positioning beads 29. spacers 30. accumulation of energy conduits 31. rivets 32. positive stop hook torsion springs 33. guide pillars 34. strut rail sheets 35. locating dowels 36. pins 37. stiffeners.
The specific embodiment
The pick-proof door lock of buckle tongue as shown in Figure 1, mainly by lock housing 1, lock core assembly 14, bolt plate 2, upper cover plate constitutes.The middle part of bolt plate has the hole, is provided with straight dead bolt 3 in the hole, the other liner stiffener of the perforate of bolt plate 2.The bottom of straight dead bolt 3 is provided with an accumulation of energy conduit 30, is provided with in the accumulation of energy conduit 30 to promote spring 5, and the lower end that promotes spring 5 is installed on the positive stop lug boss of base plate 4 of lock housing 1.Also be provided with the spacer 29 in a band correcting hole in the lock housing 1, the accumulation of energy conduit passes this correcting hole.As shown in Figure 2, straight dead bolt 3 is with the hollow dead bolt of going up lower wall, and its inner chamber both sides are hinged hook tongue 6 respectively, and the outside of hook tongue upper/lower terminal forms doorframe hook 7 and dead bolt plate hook 8 respectively.During locking, dead bolt plate hook 8 is hooked in bolt plate 2 downsides.Also have locating hole on the straight dead bolt 3, also dispose the elasticity positioning bead 28 that matches with locating hole 27 on the hook tongue 6.Lock housing 1 is provided with a locating part 9, and retract stroke that straight dead bolt 3 is formed at the bottom of straight dead bolt 3 when stretching out is limited by the non-return end of locating part 9.The non-return end is the Extendible flake 10 that straight dead bolt 3 lower walls form, and which is provided with the stopping means that matches with the lock core assembly, and this stopping means comprises that one can and be positioned at locating part 9 one sides and can be connected to the non return part 11 of locating part 9 upper ends around pin 36 swings.
As shown in Figure 3, locating part 9 is a banking stop, and non return part 11 is a positive stop hook, and stopping means comprises driving rack 12 and positive stop hook, has two elliptical apertures 13 on the driving rack 12, and this driving rack 12 is movably arranged on the Extendible flake 10 by two elliptical apertures 13.Lock core tooth 15 engaged transmission on this driving rack 12 and the lock core assembly 14 also link mutually with positive stop hook.Driving rack 12 is located at the top of Extendible flake 10, positive stop hook is arranged on the below of Extendible flake 10, positive stop hook is " Z " shape, its lower end kink is hinged on the Extendible flake 10, the guide pillar 33 of elliptical aperture 13 is passed in the bottom surface formation one of driving rack 11, guide pillar 33 is resisted against on the strut rail sheet 34 of positive stop hook bottom, and the two ends of positive stop hook torsion spring 32 are positioned at respectively in the groove of the reference column 35 of Extendible flake 10 bottom surfaces and positive stop hook bottom surface.
As shown in Figure 4, the middle part of dead bolt 3 also is provided with a flip flop equipment 16, and this flip flop equipment 16 comprises roller 17, rolling wheel support 17, triggering screw rod 19, return spring 20, triggers screw rod spacer 21, triggers hook 22, triggers hook torsion spring 23.The bottom of dead bolt 3 is provided with the triggering screw rod spacer 21 of band centre bore, roller 17 is installed on the rolling wheel support 18, fixedly connected with triggering screw rod 19 in the bottom of rolling wheel support 18, trigger screw rod 19 and pass described triggering screw rod spacer 21, the triggering screw rod 21 that triggers between screw rod spacer 21 and the rolling wheel support 18 is provided with return spring 20.Trigger to be provided with on the hook 22 and trigger hook torsion spring 23 and be riveted on the Extendible flake 10, the top panel of lock housing 1 is provided with spacer pin 24, trigger hook 22 and comprise the blend stop 25 of upper end and the oblique hook 26 of lower end, tiltedly hook 26 cooperates with spacer pin 24, and blend stop 25 is corresponding with triggering screw rod 19 bottoms.
At last, it is also to be noted that what more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought the protection domain of utility model.

Claims (8)

1. the pick-proof door lock of a buckle tongue, comprise lock housing (1), lock core assembly (14), bolt plate (2), the middle part of bolt plate (2) has the hole, be provided with straight dead bolt (3) in the hole, be provided with between the base plate (4) of straight dead bolt (3) and lock housing (1) and promote spring (5), it is characterized in that described straight dead bolt (3) is with the hollow dead bolt of going up lower wall, its inner chamber both sides are hinged hook tongue (6) respectively, on the described hook tongue (6), the outside at following two ends forms doorframe hook (7) and dead bolt plate hook (8) respectively, described lock housing (1) is provided with a locating part (9), the bottom of described straight dead bolt (3) form straight dead bolt (3) when stretching out retract stroke be limited by the non-return end of locating part (9).
2. the pick-proof door lock of buckle tongue according to claim 1, it is characterized in that described non-return end is provided with the stopping means that matches with the lock core assembly, this stopping means comprises that one can swing and is positioned at locating part (9) one sides and can be connected to the non return part (11) of locating part (9) upper end around pin (36), described non-return end is the Extendible flake (10) that straight dead bolt (3) lower wall forms, and described non return part (11) is positioned at Extendible flake (10) below.
3. the pick-proof door lock of buckle tongue according to claim 1, it is characterized in that described locating part (9) is a banking stop, described non return part (11) is a positive stop hook, positive stop hook torsion spring (32) is set on the described positive stop hook and is hinged on the Extendible flake (10), described stopping means also comprises driving rack (12), have two elliptical apertures (13) on the described driving rack (12), this driving rack (12) is movably arranged on Extendible flake (10) top by two elliptical apertures (13), and lock core tooth (15) engaged transmission on this driving rack (12) and the lock core assembly (14) also links mutually with positive stop hook.
4. the pick-proof door lock of buckle tongue according to claim 3, it is characterized in that described positive stop hook is " Z " shape, its lower end kink is hinged on the Extendible flake (10), the guide pillar (33) of elliptical aperture (13) is passed in the lower end formation one of described driving rack (12), described guide pillar (33) is resisted against on the strut rail sheet (34) of positive stop hook bottom, and the two ends of described positive stop hook torsion spring (32) are positioned at respectively in the groove of the reference column (35) of Extendible flake (10) bottom surface and positive stop hook bottom surface.
5. according to the pick-proof door lock of described each buckle tongue of claim 2-4, it is characterized in that also being provided with on the described straight dead bolt (3) flip flop equipment (16), this flip flop equipment (16) comprises roller (17), rolling wheel support (17), triggering screw rod (19), return spring (20), triggers screw rod spacer (21), triggers hook (22), triggers hook torsion spring (23);
The bottom of described straight dead bolt (3) is provided with the triggering screw rod spacer (21) of band centre bore, described roller (17) is installed on the rolling wheel support (18), fixedly connected with triggering screw rod (19) in the bottom of rolling wheel support (18), described triggering screw rod (19) passes described triggering screw rod spacer (21), and the triggering screw rod (21) that triggers between screw rod spacer (21) and the rolling wheel support (18) is provided with return spring (20);
Be provided with on the described triggering hook (22) and trigger hook torsion spring (23) and be riveted on the Extendible flake (10), the cover plate of described lock housing (1) is provided with spacer pin (24), described triggering hook (22) comprises the blend stop (25) of upper end and the oblique hook (26) of lower end, described oblique hook (26) cooperates with spacer pin (24), and described blend stop (25) is corresponding with triggering screw rod (19) bottom.
6. the pick-proof door lock of buckle tongue according to claim 1 is characterized in that having locating hole on the described straight dead bolt (3), and described hook tongue (6) is gone up the elasticity positioning bead (28) that matches with locating hole (27) is set.
7. according to the pick-proof door lock of claim 1 or 6 described buckle tongues, it is characterized in that being provided with in the described lock housing (1) spacer (29) in a band correcting hole, the accumulation of energy conduit (30) that matches with the correcting hole is formed at the bottom of described straight dead bolt (3), described promotion spring (5) is installed in the accumulation of energy conduit (30), and the bottom of described promotion spring (5) is arranged on the positive stop lug boss on the lock shell plate (4).
8. according to the pick-proof door lock of claim 1 or 4 described buckle tongues, it is characterized in that the other liner stiffener of perforate of described bolt plate (2).
CN2010206507695U 2010-12-09 2010-12-09 Anti-prying door lock with hook tongue Expired - Fee Related CN201891315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206507695U CN201891315U (en) 2010-12-09 2010-12-09 Anti-prying door lock with hook tongue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206507695U CN201891315U (en) 2010-12-09 2010-12-09 Anti-prying door lock with hook tongue

Publications (1)

Publication Number Publication Date
CN201891315U true CN201891315U (en) 2011-07-06

Family

ID=44220791

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206507695U Expired - Fee Related CN201891315U (en) 2010-12-09 2010-12-09 Anti-prying door lock with hook tongue

Country Status (1)

Country Link
CN (1) CN201891315U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102619407A (en) * 2012-04-10 2012-08-01 杨瑾 Triggering device for automatic lock
CN103276956A (en) * 2013-06-08 2013-09-04 胡政花 Automatic anti-theft lock
CN103397822A (en) * 2013-07-02 2013-11-20 华爵集团有限公司 Anti-burglar lock without locking mechanism
CN106150196A (en) * 2016-08-02 2016-11-23 浙江王力门业有限公司 A kind of antitheft opener for automatic door lock
CN108824971A (en) * 2018-08-21 2018-11-16 江苏群雄智能科技有限公司 A kind of mute lock
CN108894622A (en) * 2018-08-21 2018-11-27 江苏群雄智能科技有限公司 A kind of mute lock of self-locking
TWI673746B (en) * 2018-05-18 2019-10-01 沅聖科技股份有限公司 Waterproof fastening structure using in housing and doorbell using the same
CN111133164A (en) * 2017-08-02 2020-05-08 亚萨合莱日本有限公司 Locking device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102619407A (en) * 2012-04-10 2012-08-01 杨瑾 Triggering device for automatic lock
CN102619407B (en) * 2012-04-10 2015-01-14 杨瑾 Triggering device for automatic lock
CN103276956A (en) * 2013-06-08 2013-09-04 胡政花 Automatic anti-theft lock
CN103397822A (en) * 2013-07-02 2013-11-20 华爵集团有限公司 Anti-burglar lock without locking mechanism
CN103397822B (en) * 2013-07-02 2016-02-24 华爵集团有限公司 A kind of without mechanism for locking up and be not afraid of steal lockset
CN106150196A (en) * 2016-08-02 2016-11-23 浙江王力门业有限公司 A kind of antitheft opener for automatic door lock
CN111133164A (en) * 2017-08-02 2020-05-08 亚萨合莱日本有限公司 Locking device
TWI673746B (en) * 2018-05-18 2019-10-01 沅聖科技股份有限公司 Waterproof fastening structure using in housing and doorbell using the same
CN108824971A (en) * 2018-08-21 2018-11-16 江苏群雄智能科技有限公司 A kind of mute lock
CN108894622A (en) * 2018-08-21 2018-11-27 江苏群雄智能科技有限公司 A kind of mute lock of self-locking

Similar Documents

Publication Publication Date Title
CN201891315U (en) Anti-prying door lock with hook tongue
US20120167340A1 (en) Door closer capable of realizing self-control positioning
CN102259811A (en) Guardrail for aerial working platform
CN202280311U (en) Automatic closing lock for industrial chassises
CN201309790Y (en) Elevator door vane device
CN206429078U (en) A kind of rack with locking bar guider
CN206003655U (en) Switch cabinet rear door interlocking mechanism
CN103276956A (en) Automatic anti-theft lock
CN204960563U (en) Mortise lock
CN203352026U (en) Movable door mechanism of switch cabinet
CN202596551U (en) Prying resistant mechanism of rolling shutter door
CN104790804A (en) Sliding window capable of being opened automatically when gas leakage occurs
CN105952325B (en) A kind of door window frame mechanism
CN202121892U (en) Linkage unlocking power saving cabinet
CN103924858B (en) A kind of door closer device with automatic hold function
CN203374099U (en) Safe lock of child bed
CN201635628U (en) Escape and refuge anti-theft net
CN202718481U (en) Lock pin of power battery box locking device
CN202273496U (en) Invisible protective system locking mechanism
CN205089101U (en) Novel children's rail door fence safety lock
CN203487902U (en) Gear bolt
CN204185094U (en) Front edge board triangulation chain anti-joyride device
CN205061971U (en) Device for preventing a coke quenching cart door trouble is opened automatically
CN203271287U (en) Lock catch box strengthening locking
CN202709703U (en) Oven safety door

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: 20110706

Termination date: 20181209