CN106401294A - Anti-theft mechanical lock - Google Patents
Anti-theft mechanical lock Download PDFInfo
- Publication number
- CN106401294A CN106401294A CN201610983958.6A CN201610983958A CN106401294A CN 106401294 A CN106401294 A CN 106401294A CN 201610983958 A CN201610983958 A CN 201610983958A CN 106401294 A CN106401294 A CN 106401294A
- Authority
- CN
- China
- Prior art keywords
- lock
- groove
- core body
- core
- chip
- 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.)
- Granted
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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
- E05B27/0075—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance by movable rotor elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
- E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
- E05B19/0052—Rectangular flat keys
- E05B19/0058—Rectangular flat keys with key bits on at least one wide side surface of the key
-
- 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
-
- 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
Abstract
The invention provides an anti-theft mechanical lock. The anti-theft mechanical lock comprises a lock tongue, a lock core and a key. The lock core comprises a core body, a core cap and a connection assembly. The core body is provided with a lock channel, a mechanical control assembly and a lock groove. The core cap is provided with a clamping groove. The key is provided with a key rod. The key rod is provided with a tooth pattern. During unlocking, the key is inserted into the lock channel in a penetrating manner, and the tooth pattern ejects and makes contact with the mechanical control assembly so that the mechanical control assembly can relieve limitation to the connection assembly. The connection assembly comprises a chip, a top piece and a first spring. After unlocking is completed, the top piece penetrates the lock groove and the clamping groove, and when locking is carried out, the end face of the end, facing the core cap, of the chip is flush with the end face of the core body. By arranging the connection assembly, the top piece on the connection assembly is used for transmitting connection or disconnecting the core body from the core cap, the anti-theft mechanical lock is hard to violently unlock, and safety is relatively high.
Description
Technical field
The present invention relates to a kind of lockset, especially a kind of theft-preventing mechanical lock.
Background technology
Mechanical lock is a kind of common anti-theft tool, and traditional mechanical lock mainly includes the lock core sleeve of hollow form, device
In the lock core rotor in lock core sleeve with the lock core marble that is installed on respectively in lock core sleeve and the storage tank of lock core rotor, unlock
When lock core marble is pushed away by block resistance position by the key that matches, then rotate key and drive lock core rotor to stir dead bolt and realize opening
Lock.
Traditional mechanical lock is directly driven by lock core rotor due to dead bolt, as long as rotating lock core rotor to achieve that unlocking,
And lock core rotor is readily available skeleton key stirs lock core marble and make all of lock core marble pushed away from block resistance position in moment
Put and realize unlocking, or twist off lock core marble using specific purpose tools such as screwdrivers, forced rotating lock core rotor is realized unlocking, safety
Property is relatively low.
In view of this, the applicant conducts in-depth research to the structure of mechanical lock, then has this case to produce.
Content of the invention
It is an object of the invention to provide a kind of of a relatively high theft-preventing mechanical lock of security.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of theft-preventing mechanical lock, including dead bolt, lock core and key, described lock core includes core body and described core body is same
The core cap of axle arrangement and coupling assembly, described core cap and institute for be in transmission connection or disconnect described core body and described core cap
State dead bolt to be in transmission connection, described core body offer the lock road for interting described key, the length direction in described lock road with
The length direction of described core body is identical, and described core body is provided with the Mechanical course for limiting described coupling assembly motion
Assembly, described core body offers locked groove towards one end of described core cap, and described core cap opens up towards one end of described core body
There is draw-in groove, described key has key bar, described key bar is provided with tartar, during unlocking, described key is interspersed in described lock
In road, described tartar contacts and makes described Mechanical course module cancels on described Mechanical course assembly to described coupling assembly
Limit；
Described coupling assembly includes the chip being interspersed in described locked groove, the top flat being interspersed in described draw-in groove and one end and supports
Withstand on the first spring on described core cap, the other end of described first spring is supported in described top flat away from the one of described core body
On end, length on the groove depth direction of described locked groove for the described chip is less than the groove depth of described locked groove, and after unlocking, described top flat is same
When be interspersed in described locked groove and described draw-in groove, during locking the end face of described chip one end towards described core cap and described core this
The end face of body is concordant.
As a modification of the present invention, described first spring is volute spring.
As a modification of the present invention, the both sides of the width of described chip open up fluted, described core basis respectively
More than one teeth groove is arranged with body, described teeth groove is mutually perpendicular to and is interconnected with described lock road, described Mechanical course group
Part includes quantity and described teeth groove identical hoodle, and described hoodle is slidably connected in corresponding described teeth groove, described hoodle bag
Include second spring and the first bead that one end is mutually supported and the second bead, the two ends of described second spring are supported respectively in institute
State on one end that the first bead and described second bead are not mutually supported, described first bead and described second bead are mutually supported
One end be all located at position corresponding with described lock road, and described first bead and described second bead with described lock road phase
The lock tooth with the cooperation of described tartar, the pre-determined bit of described first bead and described second bead is offered respectively at corresponding position
Put and offer chip groove respectively, described first bead and described second bead are respectively interposed in corresponding described groove, open
After lock, described chip is interspersed in described chip groove.
As a modification of the present invention, described chip groove is V-shaped groove.
As a modification of the present invention, described core body is offered and is connected with described locked groove away from one end of described core cap
Endoporus, described endoporus is rotatably connected to limited location flange, described stop flange offers and allows towards one end of described chip
Position groove, the cross section of described slot to make way is trapezoidal, and during unlocking, described chip is interspersed in described slot to make way and described locked groove simultaneously,
During locking, described chip is supported on the end face of described stop flange.
As a modification of the present invention, described core body offers and connects with described lock road and described endoporus respectively
Pin-and-hole, described stop flange has flat reset portion, and the axis of described stop flange is mutually perpendicular to described pin-and-hole, described
Mechanical course assembly also includes return pin and the 3rd spring, and described return pin is slidably connected in described pin-and-hole, described 3rd bullet
One end of spring is supported on one end away from described lock road of described return pin, and the other end is directly or indirectly supported in described core body
On, described return pin offers the reseting groove with the cooperation of described reset portion, during unlocking, described return pin is away from described 3rd bullet
One end of spring is supported on described key bar, and described reset portion is interspersed in described reseting groove, and during locking, described return pin is remote
It is located in described lock road from one end of described 3rd spring, described reset portion abuts against on the side wall of described return pin.
As a modification of the present invention, described lock core also includes housing and the sleeve being set on described core body, institute
State core body and described sleeve interference fit, described sleeve, described core body and described core cap are all located in described housing.
Using technique scheme, the invention has the advantages that：
1st, pass through to arrange coupling assembly, be in transmission connection using the top flat in coupling assembly or disconnect core body and core cap it
Between connection, even with the specific purpose tools such as screwdriver destroy Mechanical course assembly it is also difficult to by core body drive core cap turn
Dynamic, also just it is difficult to violence and unlocks, security is of a relatively high.
2nd, because the end face of chip one end towards core cap during locking is concordant with the end face of core body, during locking, core body can
Rotate with respect to core cap, when carrying out technology unlatching using skeleton key, because core body can rotate, that is to say idle running, master key
Spoon is no tested and is difficult to accurately to code by point, effectively prevents the skilled unlocking of skeleton key, security is of a relatively high.
3rd, pass through the hoodle that setting is slidably connected in teeth groove, and teeth groove, around being located on core body, not easily passs through screwdriver
Twist off by force Deng specific purpose tool, improve the security of mechanical lock further.
Brief description
Fig. 1 is the cutting structural representation of theft-preventing mechanical lock of the present invention, in figure clipped parts；
Fig. 2 is the structural representation after theft-preventing mechanical lock clipped parts of the present invention；
Fig. 3 is the decomposition texture schematic diagram of theft-preventing mechanical lock of the present invention, in figure clipped parts；
Fig. 4 is the first structural representation between stop flange of the present invention, return pin and chip.
It is as follows that in figure indicates correspondence：
10- housing；11- procapsid；
12- back casing；20- lock core；
21- core body；22- core cap；
23- sleeve；24- locks road；
25- locked groove；26- draw-in groove；
27- pin-and-hole；
29- teeth groove；30- key；
31- key bar；32- grip part；
33- tartar；40- coupling assembly；
41- chip；42- top flat；
43- first spring；44- boss；
45- groove；54- stop flange；
55- slot to make way；
57- reset portion；58- return pin；
59- reseting groove；60- Mechanical course assembly；
61- hoodle；62- first bead；
63- second bead；64- locks tooth；
65- chip groove.
Specific embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-Figure 4, the theft-preventing mechanical lock that the present embodiment provides, including housing 10, dead bolt (not shown), lock
Core 20 and key 30, wherein dead bolt are the dead bolt of conventional lockset, no longer describe in detail herein.
Housing 10 includes procapsid 11 and spiral connection back casing 12, procapsid 11 and back casing 12 on the front casing 11
It is all sleeve-shaped rotary structure.
Lock core 20 is limited in this housing 10, including the core body 21 core cap 22 coaxially arranged with core body 21 and
For being in transmission connection or disconnecting the coupling assembly 40 of core body 21 and core cap 22, wherein, core cap 22 and dead bolt are in transmission connection, and are used for
Drive dead bolt execution locking or unlocking action, core body 21 is arranged with sleeve 23, core body 21 and sleeve 23 interference fit.?
That is, sleeve 23, core body 21 and core cap 22 are all located in housing 10, and sleeve 23 and core cap 22 are rotatable with housing 10 respectively
Connect.
Lock road 24 for interting key 30, the length direction in lock road 24 and the length of core body 21 are offered on core body 21
Degree direction is identical, and specifically, this lock road 24 is a groove on core body 21 of unlocking, and one end of this groove and outside connect
Logical, for the insertion of key 30, the other end is located on core body 21, after sleeve 23 is set in core body 21, locks road 24 and set
It is collectively forming lockhole between the madial wall of cylinder 23.Move additionally, being provided with core body 21 and being respectively used to restriction coupling assembly 40
Mechanical course assembly 60, core body 21 offers locked groove 25 towards one end of core cap 22, and core cap 22 is towards the one of core body 21
End offers draw-in groove 26, and the groove width of two grooves is preferably consistent.
Key 30 has key bar 31 and the grip part 32 being fixedly connected on key bar 31 one end, the shaft of key bar 31
Two side positions respectively on be provided with tartar 33.
Coupling assembly 40 includes the chip 41 being interspersed in locked groove 25, the top flat 42 being interspersed in draw-in groove 26 and one end and supports
The first spring 43 on core cap 22, the other end of the first spring 43 is supported on one end away from core body 41 of top flat 42, and
One spring 43 is in confined state, and such first spring 43 can apply one towards core body 21 direction to top flat 42 in real time
Active force.Additionally, the first spring 43 preferably volute spring, the length in the groove depth direction in locked groove 25 for the chip 41 is less than locked groove 25
Groove depth, so can ensure that chip 41 can locked groove 25 depth direction slide.
In an initial condition, theft-preventing mechanical lock is under blocking, the end face of chip 41 one end towards core cap 22 with
The end face of core body 21 is concordant, and top flat 42 is supported in core body 21 in the presence of the first spring 43 towards one end of core body 21
End face or chip 41 end face on, the now connection between core body 21 and core cap 22 be connected assembly 40 disconnect, core body
21 can rotate with respect to core cap 22, and meanwhile, Mechanical course assembly 60 limits the motion of coupling assembly 40, namely Mechanical course group
Part 60 limits the motion of chip 41 so that chip 41 can not slide in locked groove 25.
During unlocking, the key bar 31 of key 30 is interspersed in lock road 24, and tartar 33 contacts to be made on Mechanical course assembly 60
Mechanical course assembly 60 releases restriction to coupling assembly 40, then pass through hand and rather move key 30 to drive core body 21 to rotate,
When the moment turning to locked groove 25 and draw-in groove 26 is generally aligned in the same plane, top flat 42 is supported on the end face of chip 41, and top flat 42
Chip 41 is promoted to move so that top flat 42 is worn simultaneously toward locked groove 25 away from the direction of core cap 22 in the presence of the first spring 43
It is inserted in locked groove 25 and draw-in groove 26, and then allows core body 21 to drive core cap 22 to rotate, realize unlocking.Need explanation
It is that sliding distance in locked groove 25 for the chip 41 can determine according to actual needs, but be necessary to ensure that top flat 42 promotes chip 41
Afterwards, top flat 42 can be interspersed in locked groove 25 and draw-in groove 26 simultaneously, and then guarantees that core cap 22 can rotate together with core body 21.This
Outward, when the key 30 employing mistake, when Mechanical course assembly 60 does not release the restriction to the chip 41 in coupling assembly 40, key
Spoon 30 can only drive core body 21 to rotate with respect to lock nut 22, and now core body 21 dallies and can not drive lock nut 22, so may be used
Prevent key from being twisted into two parts it is also possible to prevent theft-preventing mechanical lock from being opened by skeleton key technology.
Preferably, in the present embodiment, core cap 22 offers stepped hole towards one end of core body 21, and the first spring 43 supports
Withstand on the bottom of stepped hole；Core body 21 is provided with, towards one end of core cap 22, the projection being interspersed in this step in the hole, on projection
It is arranged with wear-resistant pad (not shown), the both sides of chip 41 offer the breach for avoiding wear-resistant pad respectively.So help
Abrasion core cap 22 or core body 21 when avoiding core cap 22 and core body 21 relatively rotates.
Mechanical course assembly 60 can be the conventional control assembly structure for mechanical lock, as commonly used in conventional art
In-line arrangement lock core marble structure etc..Preferably, in the present embodiment, the both sides of the width of chip 41 open up respectively fluted
45, core body 21 is arranged with more than one teeth groove 29, the quantity of the groove 45 of chip 41 both sides is identical, and is located at chip 41
The quantity of groove 4 of the same side is identical with the quantity of teeth groove 29.Teeth groove 29 is mutually perpendicular to and is interconnected with lock road 24, machinery control
Assembly 60 processed includes quantity and teeth groove 29 identical hoodle 61.It should be noted that the quantity of teeth groove 29 can be according to actual need
It was determined that so that teeth groove 29 has two as a example illustrating in the present embodiment.
Each hoodle 61 is slidably connected in corresponding teeth groove 29 respectively, hoodle 61 include second spring (not shown) with
And the first bead 62 of mutually supporting of one end and the second bead 63, the two ends of second spring are supported respectively in the first bead 62 and
On one end that two bead 63 are not mutually supported.One end that first bead 62 and the second bead 63 are mutually supported be all located at teeth groove 29 with
At the corresponding position in lock road 24, and the first bead 61 and the second bead 62 open up at the position corresponding with lock road 24 respectively
There is the lock tooth 64 with tartar 33 cooperation.Chip groove 65 is offered respectively on the precalculated position of the first bead 62 and the second bead 63,
Chip groove 65 is preferably V-shaped groove.Additionally, the first bead 62 or the second bead 63 are respectively interposed in corresponding groove 45.
In an initial condition, that is, locking when, the first bead 62 or the second bead 63 are interspersed in the position in corresponding groove 45
It is set to the position not offering chip groove 65；During unlocking, the tartar 33 on key bar 31 is supported on corresponding lock tooth 64, passes through
Lock tooth 64 promotes the first bead 62 and the second bead 63 is slided in teeth groove 29 so that the first bead 62 and the second bead 63 are mutual
The one end supported is separated from each other, and compresses second spring simultaneously, and the chip groove 65 in the first bead 62 and the second bead 63 all moves
To at position corresponding with chip 54, so, chip 41 can intert in each chip groove 65 under the promotion of top flat 42, i.e. code
Piece 41 is interspersed in chip groove 65；When key 30 is pulled out, lock tooth 64 loses supporting of tartar 33, in the effect of second spring
Lower reset, chip groove 65 also therewith motion so that chip 41 along chip groove 65 V-arrangement groove sidewall from the V-shaped groove of chip groove 65
Side wall skids off it is ensured that the reset of chip 41.
Preferably, in the present embodiment, core body 21 offers, away from one end of core cap 22, the endoporus connecting with locked groove 25,
Limited location flange 54 is rotatably connected on this endoporus, chip 41 is located between stop flange 54 and top flat 42, stop flange 54 court
Offer slot to make way 55 to one end of chip 41, the cross section of this slot to make way 55 is trapezoidal.In an initial condition, that is, locking when,
Chip 41 is supported on the end face of stop flange 54, and slot to make way 5 and chip 41 are mutually perpendicular to；During unlocking, fiber flange 54 rotates
90 °, and then make that slot to make way 55 and chip 41 are in the same plane, chip 41 no longer supports the end face in stop flange 54
On, and can intert in slot to make way 55 under the promotion of top flat 42, now, chip 41 is interspersed in slot to make way 55 and locked groove 25 simultaneously
Interior.Certainly, stop flange 54 needs to be connected with the transmission mechanism (not shown) for driving stop flange 54 to rotate, should
Transmission mechanism can be arranged according to actual needs, such as arrange an one end and be fixed on stop flange 4, and the other end is fixed on core originally
Torsion spring on body 21, and for example arranges brace and connecting rod framework etc. in stop flange 54 and the return pin 58 hereafter referring between, this
Place is no longer described in detail.
Additionally, offering on core body 21 and locking 24 pin-and-holes 27 connecting, stop flange 54 has flat reset
Portion 57, and the axis of stop flange 54 is mutually perpendicular to pin-and-hole 27, Mechanical course assembly 60 also includes return pin 58 and the 3rd bullet
Spring (not shown), return pin 58 is slidably connected in pin-and-hole 27, and one end of the 3rd spring is supported in return pin 58 away from lock
On the one end in road 24, the other end is directly or indirectly supported on core body 21, and in the present embodiment, the 3rd spring passes through to support
Indirectly support on the medial surface of sleeve 23 on core body 21, so, the 3rd spring can apply one towards lock to return pin 58
The pressure in road 24 direction.
Reseting groove 59 with reset portion 57 cooperation, in an initial condition, that is, during locking, return pin are offered on return pin 58
28 away from the 3rd spring one end be located at lock road 24 in, reset portion 57 abuts against on the side wall of return pin 58, limit stop flange
54 rotation；During unlocking, after key bar 31 is interspersed in lock road 24, key bar 31 can by return pin 58 toward the 3rd spring direction
Push, return pin 58 is supported on key bar 31 away from one end of the 3rd spring, reseting groove 59 with return pin 58 move to
So that reset portion 57 is no longer abut against on the side wall of return pin 58 at the corresponding position of stop flange 54, or make to reset
Portion 57 is resisted against return pin 58 at the position of reseting groove 59, and meanwhile, reset portion 57 is interted with the rotation of stop flange 54
In reseting groove 59；When key 30 is pulled out, return pin 58 resets in the presence of the 3rd spring, toward away from the 3rd spring
Move in direction, reseting groove 59 also moves therewith, and in this process, the side wall of reseting groove 59 promotes reset portion 57 to drive whole limit
Position flange 54 rotates so that chip 41 skids off along cross section for the side wall of trapezoidal slot to make way 55 in slot to make way 55, realizes
The reset of chip 41, top flat 42 can be released locked groove 25 while reset by chip 41, realize the reset of top flat 42, and then the company of making
Connected components 40 disconnect the connection between core body 21 and core cap 22.
Above in conjunction with accompanying drawing, the present invention is described in detail, but embodiments of the present invention be not limited in above-mentioned
Embodiment, those skilled in the art can make various modifications to the present invention according to prior art, such as by above-described embodiment
The first spring 43 be changed to other elastic parts etc., these broadly fall into protection scope of the present invention.
Claims (7)
1. a kind of theft-preventing mechanical lock, including dead bolt, lock core and key it is characterised in that described lock core include core body with described
The coaxially arranged core cap of core body and the coupling assembly for be in transmission connection or disconnect described core body and described core cap, described
Core cap is in transmission connection with described dead bolt, and described core body offers the lock road for interting described key, the length in described lock road
Degree direction is identical with the length direction of described core body, described core body is provided with for limiting described coupling assembly motion
Mechanical course assembly, described core body offers locked groove towards one end of described core cap, and described core cap is towards described core body
One end offers draw-in groove, and described key has key bar, and described key bar is provided with tartar, and during unlocking, described key is interspersed in
In described lock road, described tartar contacts and makes described Mechanical course module cancels on described Mechanical course assembly to described connection
The restriction of assembly；
Described coupling assembly includes the chip being interspersed in described locked groove, the top flat being interspersed in described draw-in groove and one end and supports
The first spring on described core cap, the other end of described first spring supports one end away from described core body in described top flat
On, length on the groove depth direction of described locked groove for the described chip is less than the groove depth of described locked groove, and after unlocking, described top flat is simultaneously
It is interspersed in described locked groove and described draw-in groove, the end face of described chip one end towards described core cap and described core body during locking
End face concordant.
2. theft-preventing mechanical lock as claimed in claim 1 is it is characterised in that described first spring is volute spring.
3. theft-preventing mechanical lock as claimed in claim 1 is it is characterised in that the both sides of the width of described chip open up respectively
Fluted, described core body is arranged with more than one teeth groove, described teeth groove is mutually perpendicular to and is interconnected with described lock road,
Described Mechanical course assembly includes quantity and described teeth groove identical hoodle, and described hoodle is slidably connected at corresponding described teeth groove
Interior, described hoodle includes second spring and one end is mutually supported the first bead and the second bead, the two of described second spring
End is supported respectively on one end that described first bead and described second bead are not mutually supported, described first bead and described the
One end that two bead are mutually supported is all located at position corresponding with described lock road, and described first bead and described second bead
The lock tooth with the cooperation of described tartar, described first bead and described the is offered respectively at the position corresponding with described lock road
Chip groove is offered on the precalculated position of two bead, described first bead and described second bead are respectively interposed corresponding respectively
In described groove, after unlocking, described chip is interspersed in described chip groove.
4. theft-preventing mechanical lock as claimed in claim 3 is it is characterised in that described chip groove is V-shaped groove.
5. the theft-preventing mechanical lock as described in any claim in claim 1-4 is it is characterised in that described core body is away from institute
The one end stating core cap offers the endoporus connecting with described locked groove, and described endoporus is rotatably connected to limited location flange, described limit
Position flange offers slot to make way towards one end of described chip, and the cross section of described slot to make way is trapezoidal, described chip during unlocking
It is interspersed in described slot to make way and described locked groove, during locking, described chip is supported on the end face of described stop flange simultaneously.
6. theft-preventing mechanical lock as claimed in claim 5 it is characterised in that offer on described core body respectively with described lock road
The pin-and-hole connecting with described endoporus, described stop flange has a flat reset portion, the axis of described stop flange with described
Pin-and-hole is mutually perpendicular to, and described Mechanical course assembly also includes return pin and the 3rd spring, and described return pin is slidably connected at described
In pin-and-hole, one end of described 3rd spring is supported on one end away from described lock road of described return pin, the other end directly or
Connect and support on described core body, described return pin offers the reseting groove with the cooperation of described reset portion, described multiple during unlocking
Position pin is supported on described key bar away from one end of described 3rd spring, and described reset portion is interspersed in described reseting groove,
During locking, described return pin is located in described lock road away from one end of described 3rd spring, and described reset portion abuts against described reset
On the side wall of pin.
7. the theft-preventing mechanical lock as described in any claim in claim 1-4 is it is characterised in that described lock core also includes shell
Body and the sleeve being set on described core body, described core body and described sleeve interference fit, described sleeve, described core body
It is all located in described housing with described core cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983958.6A CN106401294B (en) | 2016-11-09 | 2016-11-09 | A kind of theft-preventing mechanical lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983958.6A CN106401294B (en) | 2016-11-09 | 2016-11-09 | A kind of theft-preventing mechanical lock |
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| CN106401294A true CN106401294A (en) | 2017-02-15 |
| CN106401294B CN106401294B (en) | 2018-09-25 |
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| CN106401294B (en) | 2018-09-25 |
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