CN105735748B - A kind of theftproof lock that rotation cam is fixed with movable claw - Google Patents
A kind of theftproof lock that rotation cam is fixed with movable claw Download PDFInfo
- Publication number
- CN105735748B CN105735748B CN201610065067.2A CN201610065067A CN105735748B CN 105735748 B CN105735748 B CN 105735748B CN 201610065067 A CN201610065067 A CN 201610065067A CN 105735748 B CN105735748 B CN 105735748B
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- China
- Prior art keywords
- rotation cam
- pin
- claw
- lock core
- housing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
Landscapes
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of theftproof lock that rotation cam is fixed with movable claw, it includes：Housing；Lock core, it is in housing；The rear end connection of plectrum, its front end and lock core；Baffle plate, it is located at the rear portion of housing；Rotation cam, its edge are arranged with even number breaker slot, and it is arranged on baffle plate, and plectrum rear end is connected with rotation cam；Movable jaw, it is arranged in housing, and it is convexly equipped with a pair of rear claws and is convexly equipped with a front claw forward backward；Front claw is connected with housing by the first spring, and it is provided with pilot hole；And bayonet lock, it includes：First pin, its one end are acted against in the side wall of lock core, and the other end is sheathed in pilot hole；Second pin, its one end are sheathed in pilot hole and act against the other end of the first pin；And the 3rd pin, its one end act against the other end of the second pin, the other end is connected with housing by second spring.The present invention can locked lock core, its simple in construction and manufacturing cost be low solid and reliablely.
Description
Technical field
The present invention relates to theftproof lock field, more particularly to a kind of theftproof lock that rotation cam is fixed with movable claw.
Background technology
Theftproof lock is typically made up of lock body, rotation lock core, transmission mechanism, main insurance locking bolt and latch bolt etc..Rotating lock core is
Critical component, it, which is included, rotates lock core pellet group.The action and movement range for rotating lock core marble are determined by key, are only run into
Correct 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 band
Dynamic transmission mechanism completes unlocking action.The theftproof lock of in the market, changes in any case, and the design of most locksets has one jointly
Feature, i.e. unlocking mechanism action before, between each pellet group and other related unlocking executing agencies all the time in contact with each other or certain
Kind contact status so that technology opens lockset and possibility be present, and theftproof performance is not high.
In order to improve the protection level of theftproof lock, Most designers all as possible complicate lock core internal structure, strive new
It is clever unique, size of key is increased, its shortcoming is to increase required precision and manufacture difficulty, and cost also improves therewith, and so
Mechanical strength reduction is may result in, needs to prevent from destroying 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
It has been the prior art well known to persons skilled in the art when being considered as recognizing or implying the information structure in any form.
The content of the invention
It is existing so as to overcome it is an object of the invention to provide a kind of theftproof lock that rotation cam is fixed with movable claw
The high theftproof lock of protection level complicated and manufacturing cost it is higher the shortcomings that.
To achieve the above object, the invention provides a kind of theftproof lock that rotation cam is fixed with movable claw, wherein,
Including：Housing；Lock core, it is rotatably arranged in the housing, and the front end of the lock core is to be provided with key
The one end in hole；Plectrum, its front end and the rear end of the lock core are attached；Baffle plate, it is arranged at the rear portion of the housing；Rotate
Cam, its is in the form of annular discs, and the edge of the rotation cam is circumferentially equably arranged with even number breaker slot；The rotation cam is with energy
The mode enough rotated is arranged on the baffle plate, and the rear end of the plectrum is attached with the rotation cam；Movable jaw, its with
The mode that can be slid back and forth is arranged in the housing, and the movable jaw is between the lock core and the baffle plate；The work
Dynamic claw is symmetrically convexly equipped with a pair of rear claws corresponding with the breaker slot in the rotation cam backward, and the movable jaw to
Lordosis is provided with a front claw；The front end of the front claw is attached with the housing by one first spring, and it is described before
A pilot hole is provided with claw, the axis of the pilot hole is perpendicular to the front claw；And bayonet lock, it includes：First pin
Post, its one end are acted against in the side wall of the lock core, and the other end of first pin is movably set in the pilot hole；The
Two pins, its one end are movably set in the pilot hole and act against the other end of first pin；Second pin
The other end 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 act against the other end of second pin, and the other end of the 3rd pin and the housing pass through one the
Two springs are attached.
Preferably, in above-mentioned technical proposal, the rotation cam is convexly equipped in the rear plate face of the baffle plate.
Preferably, in above-mentioned technical proposal, the rear end of the lock core is provided with a cross clamping groove, the front end of the plectrum
By a cross fixture block inlay card in the cross clamping groove.
Preferably, in above-mentioned technical proposal, the rotation cam is provided with a word neck, and the plectrum is in flat board
Shape, the rear end inlay card of the plectrum is in the word neck.
Preferably, in above-mentioned technical proposal, the edge of the rotation cam is circumferentially equably arranged with four systems
Dynamic groove.
Preferably, in above-mentioned technical proposal, the breaker slot is U-lag.
Preferably, in above-mentioned technical proposal, the front claw and the rear claw are cylindrical
Compared with prior art, the present invention has the advantages that：
For the present invention when lock core is destroyed by external force and is subjected to displacement, a pair of rear claws of movable jaw are stuck in the two of rotation cam
In individual breaker slot, lock core just can not rotate, and various unlocking tools will be unable to play a role, and it being capable of locked lock solid and reliablely
Core.The present invention is to set up the structure for locked lock core in common locking, and its 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, other environment of locking (such as safety cabinet, national treasury) can also be used.
Brief description of the drawings
Fig. 1 is movable jaw, bayonet lock and the lock core for the theftproof lock for fixing rotation cam with movable claw according to the present invention
The top view coordinated.
Fig. 2 is the rearview for fixing rotation cam with movable claw according to the present invention.
Fig. 3 is the structural representation according to the movable jaw of the present invention.
Main Reference Numerals explanation：
1- housings；2- lock cores；3- plectrums；4- baffle plates；5- rotation cams, 51- breaker slots；6- movable jaws, block after 61-
Pawl, 62- front claws, 63- pilot holes；The springs of 7- first；8- bayonet locks, the pins of 81- first, the pins of 82- second, the pins of 83- the 3rd；
9- second springs.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of 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 fixes rotation cam with movable claw
The structural representation of theftproof lock, the theftproof lock that rotation cam is fixed with movable claw include housing 1, lock core 2, plectrum 3, gear
Plate 4, rotation cam 5, movable jaw 6 and bayonet lock 8, with reference to figure 1 and Fig. 2, the side wall of lock core 2 is the face of cylinder, and lock core 2 is with can
The mode of rotation is arranged in housing 1, and the front end of lock core 2 is the one end for being provided with keyhole, and lock core 2 can be with normal condition
Freely rotate, so as to realize opening or closing for lock.Plectrum 3 is in flat tabular, and its length × wide specification is 7mm × 3mm.
The front end of plectrum 3 and the rear end of lock core 2 are attached, so that plectrum 3 can be rotated with lock core 2 in normal state.
Preferably, the rear end of lock core 2 is provided with a cross clamping groove, and the front end of plectrum 3 is by a cross fixture block inlay card in cross clip
In groove.
With continued reference to Fig. 2, baffle plate 4 is fixedly installed on the rear portion of housing 1.Rotation cam 5 to be discoid, rotation cam 5
Edge is circumferentially equably arranged with even number breaker slot 51, it is preferable that the edge of rotation cam 5 is circumferentially equably arranged with
Four breaker slots 51.It is further preferred that breaker slot 51 is U-lag.Rotation cam 5 is rotatably arranged at baffle plate
On 4, and preferably, rotation cam 5 is convexly equipped in the rear plate face of baffle plate 4.The rear end of plectrum 3 is attached with rotation cam 5, normally
Under state, rotation cam 5 by plectrum 3 as lock core 2 is rotated, not influence the normal use of lock core 2.Preferably, turn
The centre of moving cam 5 is provided with a word neck, and the specification of a word neck can be 8mm × 3.5mm, because plectrum 3 is in inclined
Tabular, the rear end of plectrum 3 can directly inlay card in a word neck.
With continued reference to Fig. 1, movable jaw 6 is arranged in a manner of it can slide back and forth in housing 1, and movable jaw 6 is located at
Between lock core 2 and baffle plate 4, the back end activity of plectrum 3 is attached after passing through movable jaw 6 with rotating boss 5.With reference to the He of figure 1
Fig. 3, movable jaw 6 are symmetrically convexly equipped with a pair of rear claws 61 corresponding with the breaker slot 51 in rotation cam 5, and activity backward
Claw 6 is convexly equipped with forward a front claw 62, and the front end of front claw 62 is attached with housing 1 by one first spring 7, and preceding
A pilot hole 63 is provided with claw 62, the axis of pilot hole 63 is perpendicular to front claw 62, it is preferable that front claw 62 and rear claw
61 is cylindrical.When movable jaw 6 is overall to be moved rearwards, two rear claws 61 each can activity be inserted in rotation cam
In one on 5 breaker slot 51 aligned with it.Preferably, the width of breaker slot 51 is 3.3mm to the present invention, rear claw 61 it is straight
Footpath is 3mm, and the distance at the bottom land semicircle orifice of breaker slot 51 and the center of rotation cam 5 is 10mm, between two rear claws 61
Distance at least 20mm, the present invention takes both distances to be slightly over 20mm, so that two rear claws 61 can be smoothly inserted into
Into corresponding two breaker slots 51.
With continued reference to Fig. 1, bayonet lock 8 includes the first pin 81, the second pin 82 and the 3rd pin 83, the first pin 81
One end is acted against in the side wall of lock core 2, and the other end of the first pin 81 is movably set in the pilot hole 63 of front claw 62, the
One end of two pins 82 is movably set in pilot hole 63, and one end that the second pin 82 is sheathed in pilot hole 63 acts against
The other end of one pin 81, the other end of the second pin 82 are stretched out in outside pilot hole 63, the length of the second pin 82 at least with
The equal length of pilot hole 63.One end of 3rd pin 83 acts against the other end of the second pin 82, and the 3rd pin 83 is another
One end is attached with housing 1 by a second spring 9.Between first pin 81, the second pin 82 and the three of the 3rd pin 83
Movable contact, simply leaned in second spring 9 in same straight line with three in the presence of pilot hole 63 together with.
The present invention is in normal operating condition, the first pin of face 81 of lock core 2, and second spring 9 is in compressive state, and the
One pin 81 and the second pin 82 are that part is sheathed in the pilot hole 63 of front claw 62, and the first spring 7 is also at compression shape
State, the rear end of two rear claws 61 are located at the front of rotating boss 5, and it is not contacted with rotating boss 5.When lock core 2 is strong by external force
When row destroys, lock core 2 can shift, and so as to be no longer aligned with the first pin 81, then second spring 9 will be three pins together
Ejected to the side where lock core 2, when the first pin 81 is ejected pilot hole 63 by the second pin 82 completely, in the first spring 7
In the presence of, movable jaw 6 is overall to be just moved rearwards together with the second pin 82, is turned to when lock core 2 is opened by force
When the symmetrical breaker slot 51 of two of which of rotation cam 5 aligns two rear claws 61, the rear end of two rear claws 61 is just each to insert
Enter into corresponding breaker slot 51, movable jaw 6 limits lock core 2 by the rotation of two limitation rotation cams 5 of rear claws 61
Rotation, so as to locked lock core 2, to avoid lock from being forcibly opened, reach antitheft purpose.Therefore, the present invention passes through rear claw 61
It is stuck in the breaker slot 51 of rotation cam 5, lock core 2 just can not rotate, and various unlocking tools will be unable to play a role, and it being capable of jail
Gu reliably locked lock core 2.
The present invention is to set up the structure for locked lock core 2 in common locking, and its simple in construction and manufacturing cost is low, is fitted
Close batch production.In addition, the present invention does not limit to applied to antitheft door, other environment of locking (such as safety cabinet, national treasury) can also make
With.
The description of the foregoing specific illustrative embodiment to the present invention is to illustrate and the purpose of illustration.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 explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplaries and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (7)
- A kind of 1. theftproof lock that rotation cam is fixed with movable claw, it is characterised in that including：Housing；Lock core, it is rotatably arranged in the housing, and the front end of the lock core is be provided with keyhole one End；Plectrum, its front end and the rear end of the lock core are attached；Baffle plate, it is arranged at the rear portion of the housing；Rotation cam, its is in the form of annular discs, and the edge of the rotation cam is circumferentially equably arranged with even number breaker slot；The rotation Cam is rotatably arranged on the baffle plate, and the rear end of the plectrum is attached with the rotation cam；Movable jaw, it is arranged in a manner of it can slide back and forth in the housing, the movable jaw be located at the lock core with Between the baffle plate；The movable jaw is symmetrically convexly equipped with a pair of rear cards corresponding with the breaker slot in the rotation cam backward Pawl, and the movable jaw is convexly equipped with forward a front claw；The front end of the front claw passes through one first spring with the housing It is attached, and a pilot hole is provided with the front claw, the axis of the pilot hole is perpendicular to the front claw；AndBayonet lock, it includes：First pin, its one end are acted against in the side wall of the lock core, and the other end of first pin be movably set in it is described In pilot hole；Second pin, its one end are movably set in the pilot hole and act 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 And3rd pin, its one end act against the other end of second pin, and the other end of the 3rd pin and the housing It is attached by a second spring.
- 2. the theftproof lock according to claim 1 that rotation cam is fixed with movable claw, it is characterised in that the rotation Cam is convexly equipped in the rear plate face of the baffle plate.
- 3. the theftproof lock according to claim 1 that rotation cam is fixed with movable claw, it is characterised in that the lock core Rear end be provided with a cross clamping groove, the front end of the plectrum is by a cross fixture block inlay card in the cross clamping groove.
- 4. the theftproof lock according to claim 3 that rotation cam is fixed with movable claw, it is characterised in that the rotation Cam is provided with a word neck, and the plectrum is in tabular, and the rear end inlay card of the plectrum is in the word neck.
- 5. the theftproof lock according to claim 1 that rotation cam is fixed with movable claw, it is characterised in that the rotation The edge of cam is circumferentially equably arranged with four breaker slots.
- 6. the theftproof lock according to claim 5 that rotation cam is fixed with movable claw, it is characterised in that the braking Groove is U-lag.
- 7. the theftproof lock according to claim 1 that rotation cam is fixed with movable claw, it is characterised in that block before described Pawl and the rear claw are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065067.2A CN105735748B (en) | 2016-01-29 | 2016-01-29 | A kind of theftproof lock that rotation cam is fixed with movable claw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065067.2A CN105735748B (en) | 2016-01-29 | 2016-01-29 | A kind of theftproof lock that rotation cam is fixed with movable claw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735748A CN105735748A (en) | 2016-07-06 |
| CN105735748B true CN105735748B (en) | 2017-11-14 |
Family
ID=56246993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065067.2A Active CN105735748B (en) | 2016-01-29 | 2016-01-29 | A kind of theftproof lock that rotation cam is fixed with movable claw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735748B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358346B1 (en) * | 1988-08-23 | 1993-03-31 | Rockwell Automotive Body Systems (Uk) Limited | Vehicle door latch and like actuators |
| CN1447875A (en) * | 2000-08-21 | 2003-10-08 | 比约克博达拉斯有限公司 | Door lock with hook bolt |
| CN1500960A (en) * | 2002-10-11 | 2004-06-02 | 英国阿文美驰轻型车系统有限公司 | Latch assembly |
| CN201460453U (en) * | 2009-08-14 | 2010-05-12 | 刘胜忠 | Staggered anti-theft lock and key thereof |
-
2016
- 2016-01-29 CN CN201610065067.2A patent/CN105735748B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0358346B1 (en) * | 1988-08-23 | 1993-03-31 | Rockwell Automotive Body Systems (Uk) Limited | Vehicle door latch and like actuators |
| CN1447875A (en) * | 2000-08-21 | 2003-10-08 | 比约克博达拉斯有限公司 | Door lock with hook bolt |
| CN1500960A (en) * | 2002-10-11 | 2004-06-02 | 英国阿文美驰轻型车系统有限公司 | Latch assembly |
| CN201460453U (en) * | 2009-08-14 | 2010-05-12 | 刘胜忠 | Staggered anti-theft lock and key thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105735748A (en) | 2016-07-06 |
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