CN202249290U - Dual-lock device - Google Patents

Dual-lock device Download PDF

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Publication number
CN202249290U
CN202249290U CN2011203366505U CN201120336650U CN202249290U CN 202249290 U CN202249290 U CN 202249290U CN 2011203366505 U CN2011203366505 U CN 2011203366505U CN 201120336650 U CN201120336650 U CN 201120336650U CN 202249290 U CN202249290 U CN 202249290U
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CN
China
Prior art keywords
lock core
gear
main
lock
notch
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
CN2011203366505U
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Chinese (zh)
Inventor
龙学尧
Original Assignee
龙学尧
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 龙学尧 filed Critical 龙学尧
Priority to CN2011203366505U priority Critical patent/CN202249290U/en
Application granted granted Critical
Publication of CN202249290U publication Critical patent/CN202249290U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a dual-lock device which comprises a main lock core, a subsidiary lock core, a main gear, a subsidiary gear, a guide seat plate and a carrier gear arranged between the main gear and the subsidiary gear, wherein the main gear is meshed with the carrier gear, the carrier gear is meshed with the subsidiary gear, and the main gear, the subsidiary gear and the carrier gear are fixed on the guide seat plate; two ends of a main gear shaft of the main gear are respectively provided with a notch 1 and a notch 2, a main lock core shaft of the main lock core is spliced with the notch 1, a connecting rod is spliced on the notch 2, one end of the connecting rod is connected with a telescopic rod, one end of the telescopic rod is in hinge joint with a steering rod, one end of the steering rod is in hinge joint with a lock pin, and the lock pin is spliced into a door cavity; and a subsidiary lock shaft of the subsidiary lock core is spliced with a notch of a subsidiary gear shaft of the subsidiary gear, and a carrier gear shaft of the carrier gear is fixedly connected with the guide seat plate. The dual-lock device has the characteristics of being good in security, and easy for a master to open a door.

Description

The twin-lock device
Technical field
The utility model relates to lock technology field, relates in particular to a kind of twin-lock device that has the major-minor lock core and reach synchronous locking effect.
Background technology
Often can use security door in factory building, office or the family, the quality of the theftproof lock on the security door is directly connected to the anti-theft effect of whole security door.Door lock must have safety, stability as the safety precaution product.Safety can be weighed from two aspects: the one, resist violence damage such as intentional destruction, mischief and premeditated sled, brill.In this regard, the mechanical strength of mechanical lock and electronic lock generally can both reach requirement at present.And in all kinds of door locks, having only the radio-frequency card electronic lock is full-closed structure, and its safety is best.The 2nd, precautionary technology is opened, the poor ability of the anti-technical opening of mechanical lock.No matter the mechanical lock of the sort of structure all can be opened by other means.It is exactly very big potential safety hazard that key can duplicate.In electronic lock, magnetic card is because of no password restrictions, and its key card is prone to be replicated.IC-card and radio-frequency card have then thoroughly solved the problem that precautionary technology is opened.As door lock, its stability is extremely important equally.In the time should opening the door, do not open door, this does not close door at closing time possibly bring heavy losses to financial company.In general, in several kinds of electronic locks, radio-frequency card electronic lock stability is apparently higher than other electronic locks.Magnetic card is afraid of high-intensity magnetic field, and IC-card is afraid of greasy dirt, dust and static, especially dry weather down and the wool spinning article put together, and that radio-frequency card has is hermetically sealed, the characteristics of waterproof, antistatic, dust protection.Say to have only the radio-frequency card Card Reader not contact from the Card Reader mode, its application life is the longest.And these lockset cost of production are higher, are not suitable for a large amount of popularizing.
Seem at present maximum lock cores on the market and be the monolock core mostly, lock core generally all is a copper, and the characteristic of copper is soft partially, with electric drill, the acid of dense stream, just can easily destroy copper lock core.The lock core of present commonplace employing is European lock core, in addition, also has American screw thread lock core, Fire-proof lock lock core; Both safeties of back are than higher, and American lock core applies to high-grade door lock, and quality is good; Safe; The fire prevention lock core is applied to fireproofing door lock, and the high temperature of ability 975 degree 90 minutes belongs to the special door lock pin that state compulsion is carried out.
On some senior security doors the twin-lock core has also appearred in recent years.The twin-lock core is equipped with two keys, and two administrative staff respectively hold a key, must just can open by the double key that uses simultaneously.The unique design that the twin-lock core is locked is the security protection scheme that special mechanism or tissue provide double protection, has solved some effectively and has been organized in and needs to install the two fixing demands of lockset on the same security protection position.Such twin-lock cored structure is complicated, and cost of production is high, and it is bigger that difficulty is popularized in market.
Publication number is CN 2446227; A kind of theftproof lock of twin-lock head was disclosed for the Chinese patent document of 2001.09.05 in open day; Comprise two fixedly key, tapered end, dead bolt and fixedly locking bolt be installed in jointly in the lock body; Two fixedly tapered end pin a fixing locking bolt simultaneously, it is characterized in that: described two dead bolts are meshing with each other.This patent documentation is because structure design is unreasonable; When opening the door, owner must use two keys to open simultaneously; When two keys insert corresponding lock core rotation respectively; Because two dead bolts are meshing with each other, must turn to suitable position could open two lock cores simultaneously, thereby opens security door.If key inserts and to cooperate behind the lock core badly with lock core groove, just be difficult to open security door more, owner opens the door and just more shows difficult.
Summary of the invention
The utility model is intended to must use two keys could open door simultaneously to above-mentioned prior art; The defective of opening the door and making troubles to owner; When being provided, a kind of unlatching door only needs insert with a key earlier; The twin-lock device that can unblank with another key turns again the utlity model has that theftproof is strong, owner opens the door easy characteristics.
In order to realize the foregoing invention purpose, the technical scheme that the utility model adopts is:
The twin-lock device; Comprise main lock core, auxiliary lock core; It is characterized in that: also comprise master gear, pinion, guiding seat board and the carrier gear between master gear and pinion; Master gear and carrier gear engagement, carrier gear and pinion engagement, said master gear, pinion and carrier gear are fixed on the guiding seat board; The main gear shaft two ends of said master gear have notch one and notch two; The main lock core axle of said main lock core and notch one are pegged graft; Be plugged with connecting rod on the notch two, connecting rod one end is connected with expansion link, and expansion link one end is hinged with turning-bar; Turning-bar one end is hinged with lock pin, and lock pin is plugged in the chamber; The auxiliary lock core axle of said auxiliary lock core and the pinion shaft relief of pinion are pegged graft, and the bridge gear shaft of carrier gear is fixedly connected with the guiding seat board.
Said main lock core and auxiliary lock core are fixed on the location-plate.
Said main lock core is positioned under the auxiliary lock core.
The said carrier gear of the utility model is meant the gear ratio that is positioned in the middle of master gear and the pinion and does not influence master gear and pinion, makes master gear and pinion turn to identical gear again simultaneously.
During use, the key with auxiliary lock core inserts auxiliary lock core earlier, and the key insertion main lock core with main lock core clockwise rotates then; The main lock core axle will drive master gear and rotate, because main lock core and auxiliary lock core by gear driven, rotate so master gear will drive pinion through carrier gear; Be plugged with connecting rod on the notch two of main gear shaft; Connecting rod one end is connected with expansion link, and expansion link one end is hinged with turning-bar, and turning-bar one end is hinged with lock pin; So thereby the master gear rotation will drive expansion link contraction drive turning-bar lock pin is pulled out in the door cavity, reach the purpose of opening the door.Do not need to rotate simultaneously main lock core key and auxiliary lock core key, rotate the inconvenience that main lock core and auxiliary lock core bring to owner simultaneously thereby effectively overcome.
The beneficial effect of the utility model mainly shows the following aspects:
One, through main lock core and auxiliary lock core are set,, must open two locks when opening the door, so strengthened anti-theft feature owing to be the setting of twin-lock core.
Two, through main lock core and auxiliary lock core are set, cooperate master gear and pinion, when opening door; Only need earlier the auxiliary lock core key to be inserted auxiliary lock core and get final product, the key insertion main lock core with main lock core clockwise rotates then, and the main lock core axle will drive master gear and rotate; Because main lock core and auxiliary lock core are by gear driven; So master gear will drive pinion through carrier gear and rotate, and is plugged with connecting rod on the notch two of main gear shaft, connecting rod one end is connected with expansion link; Expansion link one end is hinged with turning-bar; Turning-bar one end is hinged with lock pin, so thereby master gear rotates and will drive expansion link and shrink and drive turning-bar lock pin is pulled out in the door cavity, reach the purpose of opening the door.Do not need to rotate simultaneously main lock core key and auxiliary lock core key, rotate the inconvenience that main lock core and auxiliary lock core bring to owner simultaneously thereby effectively overcome.
Three, through adopting master gear, carrier gear and this gear train of pinion, can easily the synchronous interlock of main lock core and auxiliary lock core be in the same place, the back key that opens the door can easily take out, and key can not be stuck in the lock core the inside.
Four, main lock core axle and auxiliary lock core axle pass guiding seat board one sidewall and corresponding main gear shaft and the grafting of the notch on the pinion axle respectively, and when any parts have been broken, replacing will be quite convenient, effectively practiced thrift use cost.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is the structural representation of the utility model embodiment
Mark among the figure: 1, main lock core, 2, auxiliary lock core, 3, master gear, 4, pinion, 5, the guiding seat board; 6, carrier gear, 7, notch one, 8, notch two, 9, connecting rod, 10, expansion link; 11, turning-bar, 12, lock pin, 13, the pinion shaft relief, 14, location-plate.
The specific embodiment
Embodiment 1
As shown in Figure 1; The twin-lock device; Comprise main lock core 1, auxiliary lock core 2, also comprise master gear 3, pinion 4, guiding seat board 5 and the carrier gear 6 between master gear 3 and pinion 4, master gear 3 and carrier gear 6 engagements; Carrier gear 6 and pinion 4 engagements, said master gear 3, pinion 4 and carrier gear 6 are fixed on the guiding seat board 5; The main gear shaft two ends of said master gear 3 have notch 1 and notch 28; The main lock core axle of said main lock core 1 and notch 1 are pegged graft, and are plugged with connecting rod 9 on the notch 28, and connecting rod 9 one ends are connected with expansion link 10; Expansion link 10 1 ends are hinged with turning-bar 11; Turning-bar 11 1 ends are hinged with lock pin 12, and the auxiliary lock core axle of said auxiliary lock core 2 and the pinion shaft relief of pinion 4 13 are pegged graft, and the bridge gear shaft of carrier gear 6 is fixedly connected with guiding seat board 5.Said main lock core 1 is positioned under the auxiliary lock core 2.
Embodiment 2
As shown in Figure 2; The twin-lock device; Comprise main lock core 1, auxiliary lock core 2, also comprise master gear 3, pinion 4, guiding seat board 5 and the carrier gear 6 between master gear 3 and pinion 4, master gear 3 and carrier gear 6 engagements; Carrier gear 6 and pinion 4 engagements, said master gear 3, pinion 4 and carrier gear 6 are fixed on the guiding seat board 5; The main gear shaft two ends of said master gear 3 have notch 1 and notch 28; The main lock core axle of said main lock core 1 and notch 1 are pegged graft, and are plugged with connecting rod 9 on the notch 28, and connecting rod 9 one ends are connected with expansion link 10; Expansion link 10 1 ends are hinged with turning-bar 11; Turning-bar 11 1 ends are hinged with lock pin 12, and the auxiliary lock core axle of said auxiliary lock core 2 and the pinion shaft relief of pinion 4 13 are pegged graft, and the bridge gear shaft of carrier gear 6 is fixedly connected with guiding seat board 5.Said main lock core 1 is positioned under the auxiliary lock core 2.Said main lock core 1 is fixed on the location-plate 14 with auxiliary lock core 2.
The utility model is not limited to above embodiment, but all should fall within the utility model claim protection domain.

Claims (3)

1. twin-lock device; Comprise main lock core (1), auxiliary lock core (2); It is characterized in that: also comprise master gear (3), pinion (4), guiding seat board (5) and be positioned at master gear (3) and pinion (4) between carrier gear (6); Master gear (3) and carrier gear (6) engagement, carrier gear (6) is fixed on the guiding seat board (5) with pinion (4) engagement, said master gear (3), pinion (4) and carrier gear (6); The main gear shaft two ends of said master gear (3) have notch one (7) and notch two (8); The main lock core axle of said main lock core (1) and notch one (7) are pegged graft; Be plugged with connecting rod (9) on the notch two (8); Connecting rod (9) one ends are connected with expansion link (10), and expansion link (10) one ends are hinged with turning-bar (11), and turning-bar (11) one ends are hinged with lock pin (12); The pinion shaft relief (13) of the auxiliary lock core axle of said auxiliary lock core (2) and pinion (4) is pegged graft, and the bridge gear shaft of carrier gear (6) is fixedly connected with guiding seat board (5).
2. according to the said twin-lock device of claim 1, it is characterized in that: said main lock core (1) and auxiliary lock core (2) are fixed on the location-plate (14).
3. according to claim 1 or 2 said twin-lock devices, it is characterized in that: said main lock core (1) is positioned under the auxiliary lock core (2).
CN2011203366505U 2011-09-08 2011-09-08 Dual-lock device Expired - Fee Related CN202249290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203366505U CN202249290U (en) 2011-09-08 2011-09-08 Dual-lock device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203366505U CN202249290U (en) 2011-09-08 2011-09-08 Dual-lock device

Publications (1)

Publication Number Publication Date
CN202249290U true CN202249290U (en) 2012-05-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203366505U Expired - Fee Related CN202249290U (en) 2011-09-08 2011-09-08 Dual-lock device

Country Status (1)

Country Link
CN (1) CN202249290U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314382A (en) * 2014-10-28 2015-01-28 张军荣 Electronic lock with double control devices and double engagement-disengagement devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314382A (en) * 2014-10-28 2015-01-28 张军荣 Electronic lock with double control devices and double engagement-disengagement devices

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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: 20120530

Termination date: 20130908