CN105133941B - Theftproof lock - Google Patents
Theftproof lock Download PDFInfo
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- CN105133941B CN105133941B CN201510488083.8A CN201510488083A CN105133941B CN 105133941 B CN105133941 B CN 105133941B CN 201510488083 A CN201510488083 A CN 201510488083A CN 105133941 B CN105133941 B CN 105133941B
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- key
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Abstract
The invention discloses a kind of theftproof locks, including：The lock core rotating core and the blade mating with lock core rotating core, moving member, resetting spring, mobile spring of fluting, engineering key and householder's key；Several blades built in lock core rotating core, householder's key tip is equipped with ramp structure, and blade upside is equipped with notch and downside is equipped with boss, resetting spring is set between lock core rotating core inner wall and boss, including touching the pressing tooth on organ's point and moving member, pressing tooth is for pressing the notch on partial blade, resetting spring is compacted, partial blade is set to be in unlocking condition, when householder's key enters lock core rotating core, ramp structure will touch organ point when propping up to vertex, mobile spring elapses forward moving member, so that partial blade opening under the elastic force effect of resetting spring is in and shuts state, and engineering key is made to fail.The present invention is a kind of theftproof lock that can prevent from copying householder's key by engineering key.
Description
Technical field
The present invention relates to theftproof lock technical fields more particularly to one kind can prevent from copying householder's key by engineering key
The theftproof lock of spoon.Its structure is suitable for the lock core of all blade lock cores or similar blade movement, including idle-run lock pin and does not dally
Lock core.
Other structures also have the difference of essence.
Background technology
At present the engineering key of super b grade or C grade theftproof locks on the market and householder's key distinguish less, than if any engineering
The difference of key and householder's key is, the more holes of engineering key, if this hole is filled and led up, engineering key is just and family
Master key is just the same, can freely open the door or engineering key front end has a small gap, other places and householder's key complete
It is complete the same；Therefore, engineering key at present on the market has some potential safety problems.In addition, current anti-theft lock on the market,
Technique is cumbersome, component cooperating poor performance, of high cost, and the present invention has targetedly made substantive change.
Invention content
The object of the present invention is to provide a kind of theftproof locks that can prevent from copying householder's key by engineering key.
To achieve the goals above, technical solution provided by the invention is：The invention discloses a kind of theftproof locks, including：
Lock body, lock core rotating core, engineering key and householder's key, the lock core rotating core are set to inside the lock body, and the lock core turns
The side wall of dynamic core offers central channel and side slot, and several blades built in the lock core rotating core further include touch part, moving member
And resetting spring and mobile spring, the touch part and the moving member are set in the side slot, householder's key tip
It is equipped with notch equipped with ramp structure, and on the upside of the blade and downside is equipped with boss, the resetting spring turns set on the lock core
It moves between in-core wall and the boss, the touch part includes touching organ's point, has pressing tooth to be used for portion on the moving member
The notch on the blade is divided to be pressed, the resetting spring is compacted, and the part blade is made to be in unlocking condition,
When the engineering key enters the lock core rotating core, the structure of engineering key is not contacted with shake-up organ point, described
Moving member presses the part blade all the time by the pressing tooth, and the engineering key need to only be opened not by the moving member
The blade pressed can unlock；When householder's key enter the lock core rotating core when, householder's key it is oblique
Face structure props up shake-up organ point, and touch part is made to move up, and occurs vacancy, the moving member when moving to vertex on touch part
The moving member is pushed into contact again with touch part forward under the elastic force effect of mobile spring, the pressure on the moving member
It closes tooth to detach with the part blade, so that the part blade is opened under the elastic force effect of the resetting spring and be in work shape
State.The engineering key can not make these blades at state when unlocking again, and engineering key loses unlocking function.
Further include slide engaging and disengaging pin assemblies, the slide engaging and disengaging pin assemblies include：Outer revolving part, turning set and slide engaging and disengaging
Pin, the outer revolving part both ends are equipped with the turning set, and the slide engaging and disengaging pin can enter the outer revolving part and turning set
Interior, after respectively rotating 180 degree positioned at the turning set at the outer revolving part both ends, matched several components just form one
A work is whole, pushes the slide engaging and disengaging pin to be moved forward and backward by the external force of key.
The thickness of householder's key ramp structure is bigger than the engineering key teeth portion, it is sufficient to support shake-up organ point
It rises.
Notch or hole for accommodating the moving member can be also arranged in the central channel both sides or in which side.
The slide engaging and disengaging pin outer rim is odontoid, is matched with the internal tooth of the outer revolving part, described outer for driving
Revolving part rotates, and the both ends of the slide engaging and disengaging pin are equipped with and the thrust projection of the same diameter of outer rim or similar projection, effect
It is to rotate 180 degree after turning set assembly, is further continued for completing assembling below.When unlocking, by key external force, the mobile sliding
After the projection contact of on-of pin, the thrust projection of the slide engaging and disengaging pin and turning set, stablize cooperation, each face on the key with
Blade contact rotates clockwise unlocking at unlocking condition；When rotation is unlocked on one side, another side turns the structure of slide engaging and disengaging pin
Dynamic set will not rotate.
Compared with prior art, due in theftproof lock of the present invention, including the touch part and resetting spring and mobile bullet
Spring other can allow moving member to no longer any mode of return after front or rear movement.Enter the lock core in householder's key
Before rotating core, the part blade can be in unlocking condition, and when householder's key is into fashionable, the ramp structure (or
Other similar structures) shake-up organ point is propped up, occur vacancy after touch part to vertex, the mobile spring is by the shifting
Moving part is pushed into contact with touch part again forward, the blade notch loses the pressure of the pressing tooth, makes the part leaf
Piece opens to be under the elastic force effect of the resetting spring shuts state, and the engineering key is made to fail.Each leaf
The position of piece is single, and the position of each blade is corresponding with unique key teeth portion (corresponding key of blade of other locks
Key bit portion specific location can change at permutation and combination), therefore engineering key and householder's key can be fabricated to prodigious difference,
It prevents householder's key to be replicated, the safety of theftproof lock of the present invention can be effectively improved.
The idle-run lock pin system of this money product, unique structure, the card key up and down in lock body is in idling conditions or open state
When be all stuck in turning set always.
By description below and in conjunction with attached drawing, the present invention will become more fully apparent, these attached drawings are for explaining the present invention
Embodiment.
Description of the drawings
Fig. 1 a are the schematic diagram of one embodiment of the engineering key of theftproof lock of the present invention.
Fig. 1 b are the schematic diagram of one embodiment of householder's key of theftproof lock of the present invention.
Fig. 2 is a stereoscopic schematic diagram of the lock core rotating core of theftproof lock of the present invention.
Fig. 3 is the structural schematic diagram of blade one embodiment of theftproof lock of the present invention.
Fig. 4 a are the schematic diagram of the engineering key and lock core rotating core fitness one embodiment of theftproof lock of the present invention.
Fig. 4 b are the schematic diagram of the householder's key and lock core rotating core fitness one embodiment of theftproof lock of the present invention.
Fig. 5 is the schematic diagram of the slide engaging and disengaging pin assemblies of theftproof lock of the present invention.
Fig. 6 a be engineering key open state, touch part, moving member and mobile spring schematic diagram.
Fig. 6 b be householder's key open state, touch part, moving member and mobile spring schematic diagram.
Fig. 7 is lost motion system figure.
Specific implementation mode
The embodiment of the present invention described referring now to the drawings, similar element numbers represent similar element in attached drawing.Such as
Upper described, as shown in Fig. 1 a~6b, Fig. 7, the invention discloses a kind of theftproof locks 100, including：Lock body, lock core rotating core 2 and with
The mating engineering key 50a of the lock core rotating core 2 and householder's key 50b, the lock core rotating core 2 are set in the lock body
Portion, several pieces the built-in blades 3 (model different number is also different) of the lock core rotating core 2, further includes touch part 4, moving member 40, answers
Position spring 5 and mobile spring 6, the touch part 4 and the moving member 40 are set in the side slot 61, householder's key
The ends 50b are equipped with ramp structure 51, and 3 upside of the blade is equipped with notch 31 and downside is equipped with boss 32, the resetting spring 5
Between 2 inner wall of lock core rotating core and the boss 32, the touch part 4 includes touching organ's point 41, the movement
Pressing tooth 42 on part 40 is used to press the notch 31 on the part blade 3, and the resetting spring 5 is pressed
Tightly, part is made to be in unlocking condition by the blade 3 is pressed, when the engineering key 50a enters the lock core rotating core 2,
The structure of engineering key 50a is not contacted with shake-up organ point 41, and the moving member 40 is pressed all the time by the pressing tooth 42
The part blade 3 is shared, the engineering key 50a need to only open the blade 3 not pressed by the moving member 42
It can unlock；When householder's key 50b enters the lock core rotating core 2, the ramp structure 51 is by described 4 shake-up machine
It closes point 41 to prop up, makes 4 to move up, 4 vacancy occur when being moved to vertex, the mobile spring 6 is pushed into described 40 forward and 4
When contacting again, the pressing tooth 42 and the part blade 3 detaches, and makes the part blade 3 in respective resetting spring 5
Elastic force effect it is lower open in the state that shuts, the engineering key 50a can not be such that these blades 3 are formed when unlocking again
State, engineering key 50a lose unlocking function.
As shown in figure 5, the slide engaging and disengaging pin assemblies 70 include：Outer revolving part 9, turning set 7 and slide engaging and disengaging pin 8, institute
It states 9 both ends of outer revolving part and is equipped with the turning set 7, the slide engaging and disengaging pin 8 can enter the outer revolving part 9 and turning set 7
It is interior, by the way that after the turning set 7 at 9 both ends of outer revolving part respectively rotation 180 degree, matched several components are just formed
One work is whole, pushes the slide engaging and disengaging pin 8 to be moved forward and backward by the external force of key.
In one embodiment, the thickness of the ramp structure 51 is bigger than the teeth portion of the engineering key 50a, it is sufficient to will be described
Organ's point 41 is touched to prop up.
As shown in fig. 4 a, the engineering key 50a is inserted into the lock core rotating core 2, and the engineering key 50a can not be by institute
The shake-up organ point 41 for stating 4 is propped up, therefore the moving member 40 will not move, and pressing tooth 42 is constantly in stitching state, i.e. portion
The blade 3 is divided to be constantly in unlocking condition.
As shown in Figure 4 b, householder's key 50b is inserted into the lock core rotating core 2, and householder's key 50b is due to its end
End has the ramp structure 51, therefore being propped up shake-up organ point 41 by the ramp structure 51 makes 4 to move up, and 4 move
Occurs vacancy when to vertex, the moving member 40 pushes 40 to move forward to and connect again with 4 under the elastic force effect of spring 6
It touches so that the pressing tooth 42 misplaces with the notch 31, makes the part blade 3 in the bullet of the respective resetting spring 5
It opens to be under force effect and shuts state, and the engineering key 50a is made to fail.
In one embodiment, 60 both sides of the central channel or in which side can be also arranged for accommodating the moving member 40
Notch or hole.
In one embodiment, 8 outer rim of slide engaging and disengaging pin is odontoid, is matched with the internal tooth of the outer revolving part 9,
For driving the outer revolving part 9 to rotate, the both ends of the slide engaging and disengaging pin 8 are equipped with and the thrust projection of the same diameter of outer rim,
Or similar projection, effect are that turning set 7 rotates 180 degree after assembling, and are further continued for completing assembling below.When unlocking, pass through key
After external force, the mobile slide engaging and disengaging pin 8, the thrust projection of the slide engaging and disengaging pin 8 and the projection contact of turning set, stabilization is matched
It closes, each face on the key, at unlocking condition, rotates clockwise unlocking with blade contact.The structure of slide engaging and disengaging pin will not drive
The lock core rotating core of the other end rotates.
Fig. 6 a be engineering key open state, touch part 4, moving member 40 and mobile spring 6 schematic diagram.Fig. 6 b are householder
Key open state, the change in location schematic diagram of touch part 4, moving member 40 and mobile spring 6.By A, B, C, the position that 4 points of D
Variation is set to control the variation of four blades.When engineering key open state, 4 points of ABCD opens four blade controls at lock
When state (such as Fig. 6 a), after householder's key is opened (such as Fig. 6 b), 4 positions ABCD change, and 4 points of ABCD is no longer controlled
Four blades, the function activation of four blades, engineering key or else can opening door locks.Principle is as follows：Touch part 4 and moving member 40
Contact surface there is certain angle, touch part 4 to push to after no longer move down.When the key of householder is opened, the external force handle of key
The top of touch part 4 is got on, and touch part 4 overcomes the elastic force compressed spring of mobile spring 6, when touch part 4 is moved to vertex, touch part
4 there is vacancy, and 4 disappear to 40 ramp pressure, and moving member 40 is moved forward to again under the elastic force effect of mobile spring 6 with 4
Contact, 40 block touch part 4 by the angle on inclined-plane, and touch part 4 is allowed no longer to move down, and at this moment the position of 4 points of ABCD becomes
Change, under the action of 6 elastic force, 4 points of ABCD does not return to original position.
Compared with prior art, in conjunction with Fig. 1 a~6a, due in theftproof lock 100 of the present invention, including the touch part 4 and
Resetting spring 5 and mobile spring 6 can be by the part blades 3 before householder's key 50b enters the lock core rotating core 2
In unlocking condition, and when householder's key 50b is into fashionable, the ramp structure 51, which props up shake-up organ point 41, to be made on 4
It moves, 4 vacancy occur when moving to vertex, the moving member 40 is pushed into contact with 4 again forward by the mobile spring 6, makes portion
Divide the opening under the elastic force effect of the respective resetting spring 5 of the blade 3 to be in and shut state, and makes the engineering key
50a fails.The position of each blade 3 is single, and the position of each blade 3 is corresponding with unique key teeth portion
(other lock corresponding key teeth portion specific location can change at permutation and combination), therefore can be by engineering key 50a and householder's key
Spoon 50b is fabricated to prodigious difference, according to the different model of lock core, in varying numbers, the moving member of 40 controllable blade 3 of moving member
3 quantity of blade of control is more, and the difference of householder's key and engineering key is bigger, and the lock core with model equally can increase and subtract
Few moving member 40 controls the quantity of blade 3；This structure prevents householder's key 50b to be replicated, and can effectively improve this hair
The safety of bright theftproof lock 100.
The idle running series definition graph 7. of another additional copy invention
In idling conditions or open state, upper and lower card key is all stuck in turning set this idle-run lock pin always, this structure,
Card key size up and down can be thickeied up and down, and violence is increased while enhancing twisting resistance and opens difficulty, this kind of idle-run lock pin increases
The big diameter of lock core rotating core, makes blade lateral distance increase, the displacement distance of blade increases skill while increase
Art opens difficulty.
Described above is merely a preferred embodiment of the present invention, certainly cannot be similar with the present invention to limit with this
The interest field of principle, therefore the structural principle similar with patent of the present invention, are still within the scope of the present invention.
Claims (6)
1. a kind of theftproof lock, including：Lock body, lock core rotating core and counterpart, engineering key and householder's key, the lock core rotation
Core is set to inside lock body, and the side wall of lock core rotating core offers central channel and side slot, if cured leaf built in the lock core rotating core
Piece, which is characterized in that further include touch part, moving member and resetting spring and mobile spring, touch part and moving member are set to described
In the slot of side, householder's key tip is equipped with ramp structure, and blade upside is equipped with notch and downside is equipped with boss, institute
It states resetting spring to be set between lock core rotating core inner wall and boss, the touch part includes touching organ's point, and moving member includes pressure
Tooth is closed, for pressing the notch on the blade of part, resetting spring is compacted pressing tooth, so that partial blade is in and is opened
Lock status, when engineering key enters lock core rotating core, the structure of engineering key is not contacted with organ's point is touched, and moving member is always
Partial blade is pressed by pressing tooth, the engineering key, which need to only be opened, can not opened by other blades that moving member presses
Lock；When householder's key enters lock core rotating core, the ramp structure will touch organ point when propping up to vertex, moving member
It is moved forward under the elastic force effect of mobile spring, so that the pressing tooth is detached with partial blade, partial blade is in the reset
The lower opening of elastic force effect of spring is in running order.
2. theftproof lock as described in claim 1, which is characterized in that further include slide engaging and disengaging pin assemblies, the slide engaging and disengaging pin
Component includes：Outer revolving part, turning set and slide engaging and disengaging pin, the outer revolving part both ends are equipped with the turning set, slide from
Dowel pin can enter in the outer revolving part and turning set, respectively be rotated by the turning set positioned at the outer revolving part both ends
After 180 degree, matched several components just form a work entirety, before pushing the slide engaging and disengaging pin by the external force of key
After move.
3. theftproof lock as described in claim 1, which is characterized in that opened in the central channel both sides of lock core rotating core or in which side
The method that slot or open gap or hole or other any modes carry out holding movable part control blade, structure are suitable for all blades
The lock core of lock core or similar blade movement, including idle-run lamina lock core and not idle-run lamina lock core.
4. theftproof lock as described in claim 1, which is characterized in that the blade edge open gap or analogous shape use blade
The matched method of moving member of indentation, there and any mode controls blade movement, structure be suitable for all blade lock cores or
The lock core of similar blade movement, including idle-run lamina lock core and not idle-run lamina lock core.
5. theftproof lock as described in claim 1, which is characterized in that the thickness of householder's key ramp structure is than the engineering
Key teeth portion is big, it is sufficient to prop up shake-up organ point.
6. theftproof lock as claimed in claim 2, which is characterized in that the slide engaging and disengaging pin outer rim is odontoid, outside described
The internal tooth of revolving part matches, and for driving the outer revolving part rotation, the both ends of the slide engaging and disengaging pin are equipped with and outer rim is same
The thrust projection of sample diameter when unlocking, passes through key external force, the mobile slide engaging and disengaging pin, the thrust of the slide engaging and disengaging pin
After projection and the contact of the projection of turning set, stablize cooperation, each face on the key, at unlocking condition, is revolved clockwise with blade contact
Turn on lock；While unlocking, the structure of slide engaging and disengaging pin will not allow the turning set of another side to rotate, and structure is suitable for all anti-
Steal lock core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488083.8A CN105133941B (en) | 2015-08-11 | 2015-08-11 | Theftproof lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488083.8A CN105133941B (en) | 2015-08-11 | 2015-08-11 | Theftproof lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105133941A CN105133941A (en) | 2015-12-09 |
| CN105133941B true CN105133941B (en) | 2018-10-09 |
Family
ID=54719485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510488083.8A Active CN105133941B (en) | 2015-08-11 | 2015-08-11 | Theftproof lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105133941B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569447B (en) * | 2016-01-13 | 2017-09-15 | 烟台三环锁业集团有限公司 | The latch mechanism that a kind of many keys conversion is opened |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968103Y (en) * | 2006-10-27 | 2007-10-31 | 华高飞 | Theft-proof lock |
| CN203412387U (en) * | 2013-06-17 | 2014-01-29 | 浙江忠恒锁业有限公司 | Novel blade lock and special key thereof |
| CN204002041U (en) * | 2014-06-10 | 2014-12-10 | 徐勇 | Interlocking-type theftproof lock |
| CN205063563U (en) * | 2015-08-11 | 2016-03-02 | 帅鉴 | Anti -theft lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012115A (en) * | 1999-07-01 | 2001-01-16 | Pfu Ltd | Key lock structure |
-
2015
- 2015-08-11 CN CN201510488083.8A patent/CN105133941B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968103Y (en) * | 2006-10-27 | 2007-10-31 | 华高飞 | Theft-proof lock |
| CN203412387U (en) * | 2013-06-17 | 2014-01-29 | 浙江忠恒锁业有限公司 | Novel blade lock and special key thereof |
| CN204002041U (en) * | 2014-06-10 | 2014-12-10 | 徐勇 | Interlocking-type theftproof lock |
| CN205063563U (en) * | 2015-08-11 | 2016-03-02 | 帅鉴 | Anti -theft lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105133941A (en) | 2015-12-09 |
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