CN105735763B - A kind of theftproof lock that main lock is limited with spacer pin - Google Patents
A kind of theftproof lock that main lock is limited with spacer pin Download PDFInfo
- Publication number
- CN105735763B CN105735763B CN201610065034.8A CN201610065034A CN105735763B CN 105735763 B CN105735763 B CN 105735763B CN 201610065034 A CN201610065034 A CN 201610065034A CN 105735763 B CN105735763 B CN 105735763B
- Authority
- CN
- China
- Prior art keywords
- pin
- lock
- housing
- main lock
- spacer pin
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
- E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
- E05B17/2023—Loose pins, screws, or the like; Portable devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0003—Details
- E05B27/0017—Tumblers or pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of theftproof lock that main lock is limited with spacer pin, it includes housing, lock core, dead bolt and main lock；It also includes a locking mechanism, and locking mechanism includes：Removable pin, it is arranged in housing in the way of it can slide back and forth, and its front end is connected with housing by the first spring, and it is provided with a pilot hole；Bayonet lock, it includes：First pin, its one end is acted against on the side wall of lock core, and the other end is sheathed in pilot hole；Second pin, its one end is sheathed in pilot hole and acts against the other end of the first pin；And the 3rd pin, its one end acts against the other end of the second pin, and the other end is connected with housing by second spring；And spacer pin, the rear end of its front end and removable pin is connected by connecting plate；When main lock is in locking working condition, the rear end of spacer pin is corresponding with the tail end of main lock.The present invention can locked lock core solid and reliablely, its is simple in construction and manufacturing cost is low.
Description
Technical field
The present invention relates to theftproof lock field, more particularly to a kind of theftproof lock that main lock is limited with spacer pin.
Background technology
Theftproof lock is general to be made up of lock body, rotation lock core, transmission mechanism, main lock and latch bolt etc..It is to close to rotate lock core
Key member, it includes rotation lock core marble group.The action and movement range for rotating lock core marble are determined by key, are only run into just
True key, correct position can just be moved to by rotating lock core marble, and lock core can just rotate or other forms motion, and then drive
Transmission mechanism completes unlocking action.The theftproof lock of in the market, changes in any case, and the design of most locksets has a common spy
It is in and contacts with each other or certain all the time before the action of point, i.e. unlocking mechanism, between each pellet group and other related unlocking executing agencies
Contact status so that technology opens lockset and there is possibility, and theftproof performance is not high.
In order to improve the protection level of theftproof lock, Most designers all complicate lock core internal structure as possible, strive new
It is clever unique, size of key is increased, its shortcoming is to increase required precision and manufacture difficulty, and cost is also improved therewith, and so
Mechanical strength reduction is may result in, needs to prevent destruction with elevating mechanism intensity with special quality material again, further
Improve manufacturing cost.The anti-technology unlatching ability of lockset also is stronger, but unlocking operation process is comparatively laborious.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
The theftproof lock of main lock is limited with spacer pin it is an object of the invention to provide a kind of, so as to overcome existing anti-
Protect the higher shortcoming of the complicated and manufacturing cost of the high theftproof lock of rank.
To achieve the above object, the invention provides a kind of theftproof lock that main lock is limited with spacer pin, it includes shell
Body, lock core, dead bolt and main lock, wherein, an in addition to locking mechanism, the locking mechanism includes：Removable pin, it is with energy
The mode enough slid back and forth is arranged in the housing, and the removable pin is parallel to the lock core；The front end of the removable pin and institute
Housing is stated to be attached by one first spring；The removable pin be provided with one perpendicular to its axis pilot hole；Bayonet lock, it is wrapped
Include：First pin, its one end is acted against on the side wall of the lock core, and the other end of first pin is movably set in described lead
Into hole；Second pin, its one end is movably set in the pilot hole and acts against the other end of first pin；This
The other end of two pins is stretched out in outside the pilot hole；Length of the length of second pin at least equal to the pilot hole；
And the 3rd pin, its one end acts against the other end of second pin, and the other end and the housing of the 3rd pin
It is attached by a second spring；And spacer pin, it is arranged in the way of it can slide back and forth in the housing, and should
The front end of spacer pin and the rear end of the removable pin are attached by a connecting plate；When the main lock is in locking work
During state, the rear end of the spacer pin is corresponding with the tail end of the main lock.
Preferably, in above-mentioned technical proposal, movable a cotter way and one and the movable cotter way is provided with the housing
Vertical bayonet lock groove, the movable cotter way is used to install the removable pin and first spring, and the bayonet lock groove is used to install
The bayonet lock and the second spring.
Preferably, in above-mentioned technical proposal, the rear end of the removable pin and one end of the connecting plate are carried out by nut
It is fixedly connected, the front end of the spacer pin and the other end of the connecting plate are fixedly connected by nut.
Compared with prior art, the present invention has the advantages that：
The present invention drives spacer pin to be moved rearwards by, so that logical when lock core is subjected to displacement by external force destruction by removable pin
The tail end that spacer pin withstands main lock is crossed, main lock just can not be retreated by locked, so that dead bolt can not be retreated, it is various
Unlocking tool will be unable to play a role, with can be solid and reliable locked dead bolt.The present invention is to set up locked in common locking
Mechanism, its is simple in construction and manufacturing cost is low, is adapted to batch production.In addition, the present invention does not limit to applied to antitheft door, insurance
Other lock such as cabinet, national treasury environmentally can also be used.
Brief description of the drawings
Fig. 1 is the structural representation of the locking mechanism for the theftproof lock for limiting main lock with spacer pin according to the present invention.
Fig. 2 is that locked structural representation is carried out to main lock according to the spacer pin of the present invention.
Fig. 3 is the structural representation of the removable pin according to the present invention.
Main Reference Numerals explanation：
1- housings, 11- activity cotter ways, 12- bayonet lock grooves；2- lock cores；3- dead bolts, 31- dead bolt axles, 32- latch bolt springs, 33-
Block, 34- pulling blocks；The main locks of 4-；5- levers；6- locking mechanisms, 61- removable pins, 611- pilot holes, the springs of 62- first,
63- bayonet locks, the pins of 631- first, the pins of 632- second, the pins of 633- the 3rd, 64- second springs, 65- spacer pins, 66- connections
Plate, 67- nuts.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
Fig. 1 to Fig. 3 is shown according to the preferred embodiment of the present invention a kind of limits the antitheft of main lock with spacer pin
The structural representation of lock, the theftproof lock for limiting main lock with spacer pin includes housing 1, lock core 2, dead bolt 3, main lock 4
And locking mechanism 6, with reference to Fig. 1 and Fig. 2, the housing 1 of theftproof lock, lock core 2, the cooperation of dead bolt 3 and main lock 4 with it is conventional
As lock is set, dead bolt 3 is provided with dead bolt axle 31, latch bolt spring 32, block 33, pulling block 34, dead bolt 3 and main lock 4 it
Between connected by lever 5, key controls dead bolt 3 and main lock 4 to stretch out or retract by lock core 2.
Locking mechanism 6 is used to lock main lock 4.With continued reference to Fig. 1, locking mechanism 6 includes removable pin 61, card
Pin 63 and spacer pin 65, removable pin 61 are arranged in the way of it can slide back and forth in housing 1, and removable pin 65 is parallel to lock
Core 2, front end and the housing 1 of removable pin 61 are attached by one first spring 62, with reference to Fig. 3, and removable pin 61 is provided with one and hung down
Directly in the pilot hole 611 of its axis.Bayonet lock 63 includes the first pin 631, the second pin 632 and the 3rd pin 633, lock core 2
Side wall be the face of cylinder, one end of the first pin 631 acted against on the side wall of lock core 2, and the other end activity of the first pin 631
It is sheathed in pilot hole 611, one end of the second pin 632 is movably set in pilot hole 611, and the second pin 632 is set in
One end in pilot hole 611 acts against the other end of the first pin 631.The other end of second pin 632 stretches out in pilot hole 611
Outside, length of the length at least equal to pilot hole 611 of the second pin 632.The one end of 3rd pin 633 acts against the second pin
632 other end, and the other end of the 3rd pin 633 is attached with housing 1 by a second spring 64.Preferably, housing 1
The a movable cotter way 11 and one bayonet lock groove 12 vertical with movable cotter way 11 is inside provided with, movable cotter way 11 is used for installation activity pin
61 and first spring 62, the first spring 62 is located between the bottom land of the front end of removable pin 61 and movable cotter way 11.Bayonet lock groove 12
For installing bayonet lock 63 and second spring 64, second spring 64 is located between the other end of the 3rd pin 633 and a groove lid,
Groove lid is sealed at the notch of bayonet lock groove 12.
With continued reference to Fig. 1, spacer pin 65 is arranged in the way of it can slide back and forth in housing 1, and before spacer pin 65
The rear end with removable pin 61 is held to be attached by a connecting plate 66.Preferably, the rear end of removable pin 61 and the one of connecting plate 66
End is fixedly connected by nut 67, and the front end of spacer pin 65 is fixed with the other end of connecting plate 66 also by nut 67
Connection.With continued reference to Fig. 2, when main lock 4 is in locking working condition, the rear end of spacer pin 65 and the tail of main lock 4
End correspondence, if now spacer pin 65 is moved rearwards by, just can act against the tail end of main lock 4, main lock 4 just can not be moved back
Return, to be maintained at locking working condition.Preferably, a diameter of 3mm of spacer pin 65, the diameter of removable pin 61 is also 3mm, second
The length of pin 632 also takes 3mm, and pilot hole 611 is arranged on removable pin 61, and its length is slightly less than the diameter of spacer pin 65, i.e.,
It is slightly less than 3mm.
The present invention is in normal operating condition, and lock core 2 is just to the first pin 631, and second spring 64 is in compressive state, and
First pin 631 and the part of the second pin 632 are sheathed in the pilot hole 611 of removable pin 61, and the first spring 62 is also at compression
State, the rear end of spacer pin 65 is located at the front of main lock 4, and it is not contacted with main lock 4, and main lock 4 is not influenceed
Normal work.When lock core 2 is destroyed by force by external force under locking working condition for dead bolt 3 and main lock 4, lock core 2 can be sent out
Raw skew, so as to be no longer aligned with the first pin 631, then second spring 64 will be three pins together to one where lock core 2
Side is ejected, living in the presence of the first spring 62 when the second pin 632 is the first ejection pilot hole 611 completely of pin 631
Dynamic pin 61 is just moved rearwards by together with the second pin 632, and spacer pin 65 is also with being moved rearwards by, to act against main lock 4
Tail end so that locked main lock 4, to avoid lock from being forcibly opened, reaches antitheft purpose.Therefore, the present invention is by spacing
Pin 65 is stuck in the tail end of main lock 4, and main lock 4 and dead bolt 3 just can not be retracted, to be maintained at locking state, various unlockings
Instrument will be unable to play a role, and it can be maintained at locking state solid and reliablely.
The present invention is to set up the locking mechanism 6 for locked main lock 4 in common locking, its simple in construction and manufacture
Cost is low, is adapted to batch production.In addition, the present invention does not limit to applied to antitheft door, safety cabinet, national treasury etc. are other to lock environmentally
It can also be used.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
1. a kind of theftproof lock that main lock is limited with spacer pin, it includes housing, lock core, dead bolt and main lock, and it is special
Levy and be, in addition to a locking mechanism, the locking mechanism includes：
Removable pin, it is arranged in the way of it can slide back and forth in the housing, and the removable pin is parallel to the lock core；Should
The front end of removable pin is attached with the housing by one first spring；The removable pin is provided with leading perpendicular to its axis
Xiang Kong；
Bayonet lock, it includes：
First pin, its one end is acted against on the side wall of the lock core, and first pin the other end be movably set in it is described
In pilot hole；
Second pin, its one end is movably set in the pilot hole and acts against the other end of first pin；This second
The other end of pin is stretched out in outside the pilot hole；Length of the length of second pin at least equal to the pilot hole；With
And
3rd pin, its one end acts against the other end of second pin, and the other end and the housing of the 3rd pin
It is attached by a second spring；And
Spacer pin, it is arranged in the way of it can slide back and forth in the housing, and the front end of the spacer pin and the activity
The rear end of pin is attached by a connecting plate；When the main lock is in locking working condition, the rear end of the spacer pin
Tail end with the main lock is corresponding.
2. the theftproof lock according to claim 1 that main lock is limited with spacer pin, it is characterised in that set in the housing
Movable a cotter way and a bayonet lock groove vertical with the movable cotter way is equipped with, the movable cotter way is used to install the removable pin
And first spring, the bayonet lock groove is for installing the bayonet lock and the second spring.
3. the theftproof lock according to claim 1 that main lock is limited with spacer pin, it is characterised in that the removable pin
Rear end and one end of the connecting plate are fixedly connected by nut, and the front end of the spacer pin is another with the connecting plate
End is fixedly connected by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065034.8A CN105735763B (en) | 2016-01-29 | 2016-01-29 | A kind of theftproof lock that main lock is limited with spacer pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065034.8A CN105735763B (en) | 2016-01-29 | 2016-01-29 | A kind of theftproof lock that main lock is limited with spacer pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735763A CN105735763A (en) | 2016-07-06 |
| CN105735763B true CN105735763B (en) | 2017-10-20 |
Family
ID=56247006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065034.8A Active CN105735763B (en) | 2016-01-29 | 2016-01-29 | A kind of theftproof lock that main lock is limited with spacer pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735763B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2420387Y (en) * | 2000-05-17 | 2001-02-21 | 刘福财 | Interlocking mechanism for alarm anti-theft door |
| CN201460453U (en) * | 2009-08-14 | 2010-05-12 | 刘胜忠 | Staggered anti-theft lock and key thereof |
| CN104727651A (en) * | 2015-01-20 | 2015-06-24 | 余虹仪 | Magnetic electromechanical interlocking anti-theft alarm lock |
| CN104847172A (en) * | 2015-06-12 | 2015-08-19 | 杨振勇 | Lock cylinder with limited posts |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4171089B2 (en) * | 1997-07-29 | 2008-10-22 | 美和ロック株式会社 | Locking device |
-
2016
- 2016-01-29 CN CN201610065034.8A patent/CN105735763B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2420387Y (en) * | 2000-05-17 | 2001-02-21 | 刘福财 | Interlocking mechanism for alarm anti-theft door |
| CN201460453U (en) * | 2009-08-14 | 2010-05-12 | 刘胜忠 | Staggered anti-theft lock and key thereof |
| CN104727651A (en) * | 2015-01-20 | 2015-06-24 | 余虹仪 | Magnetic electromechanical interlocking anti-theft alarm lock |
| CN104847172A (en) * | 2015-06-12 | 2015-08-19 | 杨振勇 | Lock cylinder with limited posts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105735763A (en) | 2016-07-06 |
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