CN203846877U - Pin tumbler lock with function of preventing technical unlocking - Google Patents

Pin tumbler lock with function of preventing technical unlocking Download PDF

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Publication number
CN203846877U
CN203846877U CN201420200167.8U CN201420200167U CN203846877U CN 203846877 U CN203846877 U CN 203846877U CN 201420200167 U CN201420200167 U CN 201420200167U CN 203846877 U CN203846877 U CN 203846877U
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CN
China
Prior art keywords
lock
pellet
thumb wheel
key
hole
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.)
Withdrawn - After Issue
Application number
CN201420200167.8U
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Chinese (zh)
Inventor
于学景
于一潇
朱晓红
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Individual
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Individual
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Priority to CN201420200167.8U priority Critical patent/CN203846877U/en
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Publication of CN203846877U publication Critical patent/CN203846877U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a pin tumbler lock with a function of preventing technical unlocking. The pin tumbler lock comprises a lock cylinder and a key. Blind holes are formed in the lock cylinder, a spring is mounted in each blind hole, and lock cylinder shifting teeth are disposed on the outer end face of the lock cylinder. The lock cylinder is mounted in a lock shell. Pin tumbler holes are formed in the lock shell. Pin tumblers are mounted in the pin tumbler holes and the blind holes. A key groove is formed in the outer surface of the lock shell. A pin tumbler encapsulation jacket sleeves the lock shell. A shifting-preventing wheel is coaxial with the lock cylinder. The shifting-preventing wheel is provided with a notch and shifting-preventing teeth. A shifting-preventing axle is disposed on the outer end face of the shifting-preventing wheel. A protective cover sleeves the shifting-preventing wheel and the pin tumbler encapsulation jacket through a central hole and a shifting-preventing axle sleeve. A key hole is formed in the protective cover. Key teeth are disposed on the key and matched with the pin tumblers in the pin tumbler holes. The pin tumbler lock has the advantages that the pin tumblers cannot be shifted by special tools, the lock cylinder cannot by unlocked technically, forcible unlocking achieved by a method for extruding soft objects such as chewing gum can be prevented, and prying resistance is increased.

Description

Anti-technical opening cylinder lock set
Technical field
The utility model relates to a kind of lockset, relates in particular to a kind of anti-technical opening cylinder lock set.
Background technology
Cylinder lock, since coming out, has been widely used, and in field of lockset all the time in occupation of leading position.Lock cylinder is of a great variety, and planform difference is also very large, but technology essential factor is essentially identical, that is exactly that they all comprise a lock gall and lock housing, and in lock gall and lock housing, have marble hole, pellet and spring are housed in marble hole, on lock gall, have keyhole.Its mechanism of unblanking is all that key is pressed onto pellet top the position that discharges lock gall, thereby lock gall can be rotated, and reaches the object of unblanking.So-called skilled unlocking, is exactly by special unlocking tool, the method for opening lockset in the situation that not destroying lockset.The shortcoming of existing cylinder lock set is: when lock gall being applied to rotation torsion, can by keyhole, stir pellet easily, and the package strength of marble hole is very low.Therefore existing lock cylinder, prevents from the unlatching of master key class special tool(s) and forces pellet to deviate from marble hole completely by the method for pushing the soft things such as chewing gum realizing the poor ability that pressure is unblanked.And because increasing people has grasped the skill of technology unlocking, common cylinder lock set performs practically no function during in the face of them.If can overcome the above-mentioned defect of lock cylinder, just can improve its pick-proof ability.
Utility model content
The defect that the utility model exists for above-mentioned existing cylinder lock set, provides a kind of and can effectively prevent technical unlocking and the cylinder lock set of opening by expansion force, has solved the low problem of lockset safety performance in prior art.
For achieving the above object, the technical scheme that the utility model adopts is:
Lockset comprises lock core and key, and lock core comprises lock gall, lock housing, pellet encapsulation sheath, anti-thumb wheel, over cap, pellet and spring; On the external surface of lock gall, have the blind hole through center, courage surface, spring is housed in blind hole, the outer face of lock gall is provided with lock gall moving tooth; Lock housing is hollow structure, in lock housing, the external diameter of hole dimension and lock gall matches, lock gall is arranged on formation matched in clearance in lock housing, in lock housing, the position corresponding with the blind hole of lock gall has the marble hole of perforation, in marble hole and blind hole, pellet is housed, have key corresponding with marble hole on the external surface of lock housing; Pellet encapsulation sheath is hollow structure, and in pellet encapsulation sheath, the external diameter of hole dimension and lock housing matches, and the outside that pellet encapsulation sheath is enclosed within lock housing forms interference fits; Anti-thumb wheel and lock gall concentric, position corresponding with key on anti-thumb wheel has breach, and notch size is corresponding with key, has anti-thumb wheel moving tooth on anti-thumb wheel, and the outer face of anti-thumb wheel is provided with anti-dial wheel shaft; Over cap is the shell-like structure of inner face opening, and the outside dimension of over cap inner surface size and pellet encapsulation sheath matches, and the outer face of over cap has centre bore, and central hole size and anti-dial wheel shaft match; Over cap encapsulates the outside of sheath by centre bore and anti-dial axle sleeve at anti-thumb wheel and pellet, the position that over cap is corresponding with key and anti-thumb wheel breach has keyhole; Have on the key tartar, the pellet in the marble hole in tartar and lock housing matches.
Described lock gall is that cylindric, described lock gall moving tooth direction and blind hole is right-angled intersection, and the exterior arc surface diameter of lock gall moving tooth is greater than the external cylindrical surface diameter of lock gall.
Described lock housing is the column structure of hollow, has the lock housing fixing hole not connecting on the external cylindrical surface of lock housing.
Described pellet comprises one-level pellet and secondary pellet.
The column structure that described pellet encapsulation sheath is hollow, the outer face of pellet encapsulation sheath is concordant with the outer face of lock gall, lock housing, and the correspondence position of pellet encapsulation sheath and lock housing fixing hole has the pellet encapsulation sheath fixing hole of perforation.
Described anti-thumb wheel is disc-shaped structure, and anti-thumb wheel inner face is concordant with lock gall outer face, and anti-thumb wheel moving tooth and lock gall moving tooth are right-angled intersection, and anti-thumb wheel moving tooth size is corresponding with lock gall moving tooth, and anti-dial wheel shaft is located at the center of the outer face of anti-thumb wheel; Gapped between anti-thumb wheel outer face and protective jacket inner face.
Described over cap is the shelly column structure of inner face opening, and centre bore is located at the center, outer face of over cap, and the correspondence position of over cap and pellet encapsulation sheath fixing hole has the over cap fixing hole of perforation.
The utility model has the advantages of as follows:
While a. unblanking, anti-thumb wheel must rotate after a fixing angle, could apply rotation torsion to lock gall, and now the outer face of key has been covered by anti-thumb wheel, therefore realized when lock gall is applied to rotary torsion, cannot stir pellet with special tool(s), thereby make the utility model lock core cannot be by technical opening.
B. the passage one end due to one-level pellet and secondary pellet is blind hole, and the other end is pellet encapsulation sheath, therefore cannot realize and force to unblank by the method for the soft things such as extruding chewing gum, has improved pick-proof performance.
Accompanying drawing explanation
Fig. 1 is the assembly structure schematic diagram of the utility model preferred embodiment.
Fig. 2 is the sectional structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation of the lock gall of the utility model preferred embodiment.
Fig. 4 is the structural representation of the over cap of the utility model preferred embodiment.
Fig. 5 is the structural representation of the anti-thumb wheel of the utility model preferred embodiment.
Fig. 6 is the assembly structure schematic diagram that lock gall, lock housing, the pellet of the utility model preferred embodiment encapsulates sheath, key.
Fig. 7 is the structural representation of the key of the utility model preferred embodiment.
Fig. 8 is the integral installation distribution structure decomposing schematic representation of the utility model preferred embodiment.
In figure: , lock gall, , lock housing, , pellet encapsulation sheath, , anti-thumb wheel, , over cap, , key, , one-level pellet, , secondary pellet, , spring, 1e, blind hole, 1f, lock gall moving tooth; 1g, lock gall outer face, 2c, lock housing fixing hole, 2d, key; 2e, marble hole, 2g, lock housing outer face, 3c, pellet encapsulation sheath fixing hole; 4a, anti-dial wheel shaft, 4d, breach, 4f, anti-thumb wheel moving tooth; 4b, anti-thumb wheel outer face, 4g, anti-thumb wheel inner face, 5a, centre bore; 5b, over cap inner face, 5c, over cap fixing hole, 5d, keyhole.
The specific embodiment
Referring to accompanying drawing, in conjunction with specific embodiments, describe concrete structure of the present utility model in detail.
Embodiment
As shown in Fig. 1-8, anti-technical opening cylinder lock set comprises lock core and key; Lock core comprises lock gall , lock housing , pellet encapsulation sheath , anti-thumb wheel , over cap , key , one-level pellet , secondary pellet , spring .
Lock gall for cylindric, on external cylindrical surface, have the blind hole 1e through cylinder center, in blind hole 1e, spring is housed , with lock core, be arranged on when upper, one side near outdoors be the outer face of lock core, on the 1g of lock gall outer face, have lock gall moving tooth 1f, lock gall moving tooth 1f direction and blind hole 1e are right-angled intersection, and the exterior arc surface diameter of lock gall moving tooth 1f is greater than lock gall external cylindrical surface diameter.
Lock housing for the column structure of hollow, hole dimension and lock gall in it external diameter match, lock gall be arranged on lock housing interior formation matched in clearance, in lock housing go up and lock gall position corresponding to blind hole 1e have the marble hole 2e of perforation, in marble hole 2e and blind hole 1e, one-level pellet is housed , secondary pellet , in lock housing external cylindrical surface on the top of marble hole 2e have key 2d, by key tooth flower to one-level pellet top press, make one-level pellet with secondary pellet in marble hole 2e and blind hole 1e, slide, thereby determine lock gall with lock housing can relatively rotate or be in the lock state, in lock housing external cylindrical surface on have the lock housing fixing hole 2c not connecting.
Pellet encapsulation sheath for the column structure of hollow, hole dimension and lock housing in it external diameter match, pellet encapsulation sheath is enclosed within lock housing outside form interference fits, 2g is concordant with lock gall outer face 1g, lock housing outer face for pellet encapsulation sheath external end face 3g, the pellet that pellet encapsulation sheath has perforation at the correspondence position of lock housing fixing hole 2c encapsulates sheath fixing hole 3c.
Anti-thumb wheel for disc-shaped structure, its outside dimension is slightly less than pellet encapsulation sheath outside dimension, mounting means is: anti-thumb wheel and lock gall concentric, 3g is concordant with lock gall outer face 1g, lock housing outer face 2g, pellet encapsulation sheath external end face for anti-thumb wheel inner face 4g.Anti-thumb wheel the upper position corresponding with key 2d has breach 4d, and breach 4d size is corresponding with key 2d, anti-thumb wheel the position that upper and lock gall moving tooth 1f is right-angled intersection has anti-thumb wheel moving tooth 4f, and anti-thumb wheel moving tooth 4f size is corresponding with lock gall moving tooth 1f, has in the heart anti-dial wheel shaft 4a in anti-thumb wheel outer face 4b.
Over cap for the shelly column structure of inner face opening, its inner cylinder face size and pellet encapsulation sheath outside dimension match, at over cap center, outer face have centre bore 5a, centre bore 5a size and anti-dial wheel shaft 4a match.Over cap by centre bore 5a and anti-dial wheel shaft 4a, be enclosed within anti-thumb wheel with pellet encapsulation sheath outside, between over cap inner face 5b and anti-thumb wheel outer face 4b, have small gap, make anti-thumb wheel can rotate around anti-dial wheel shaft 4a; over cap has the over cap fixing hole 5c of perforation at the correspondence position of pellet encapsulation sheath fixing hole 3c; lock housing fixing hole 2c, pellet encapsulation sheath fixing hole 3c and over cap fixing hole 5c are bolted, and over cap has keyhole 5d in the position corresponding with key 2d and breach 4d.
While unblanking, first rotate anti-dial wheel shaft 4a breach 4d is alignd with keyhole 5d and key 2d, insert the key mating with lock core , key tartar just by one-level pellet with secondary pellet top is pressed onto release lock gall position, now make anti-dial wheel shaft 4a turn over after a fixing angle that (this angle is enough to make breach 4d to turn over the position of keyhole 5d and key 2d alignment, and key 2d is by anti-thumb wheel shut.), being rotated further anti-dial wheel shaft 4a, anti-thumb wheel moving tooth 4f just can promote lock gall moving tooth 1f to lock gall apply rotary torsion, realization is unblanked.
When skills such as using thin bar or tablet goes into operation tool while carrying out technical opening, need: 1. rotate anti-dial wheel shaft 4a breach 4d is alignd with keyhole 5d and key 2d.2. stir successively one-level pellet , make it in discharging lock gall position.3. the anti-dial wheel shaft 4a of rotation completes and unblanks.Wherein, when carrying out step 2, need trackwheel axle 4a, make anti-thumb wheel moving tooth 4f promote lock gall moving tooth 1f to lock gall apply rotary torsion, just can find with the skill tool that goes into operation and stir one-level pellet , and make it in discharging lock gall tram.From aforementioned, when anti-thumb wheel moving tooth 4f can promote lock gall moving tooth 1f to lock gall while applying rotary torsion, key 2d is by anti-thumb wheel shut, the skill tool that goes into operation cannot enter.
In addition, if by the method for soft things such as extruding chewing gum etc., by key 2d to one-level pellet apply motive force, thereby force one-level pellet deviate from marble hole 2e completely and realize and force to unblank, so due to one-level pellet with secondary pellet passage one end be blind hole 1e, the other end is pellet encapsulation sheath , therefore cannot realize and force to unblank.
Can be as required at key on open a row or three row tartars, key on tartar and lock housing on marble hole in one-level pellet match, its effect is to stop non-matching key unlocking.
The above embodiment, is one of specific embodiment of the present utility model, and common variation and replacement that those skilled in the art carries out within the scope of technical solutions of the utility model, all should be included in protection domain of the present utility model.

Claims (7)

1. anti-technical opening cylinder lock set, comprises lock core and key, it is characterized in that lock core comprises lock gall, lock housing, pellet encapsulation sheath, anti-thumb wheel, over cap, pellet and spring; On the external surface of lock gall, have the blind hole through center, courage surface, spring is housed in blind hole, the outer face of lock gall is provided with lock gall moving tooth; Lock housing is hollow structure, in lock housing, the external diameter of hole dimension and lock gall matches, lock gall is arranged on formation matched in clearance in lock housing, in lock housing, the position corresponding with the blind hole of lock gall has the marble hole of perforation, in marble hole and blind hole, pellet is housed, have key corresponding with marble hole on the external surface of lock housing; Pellet encapsulation sheath is hollow structure, and in pellet encapsulation sheath, the external diameter of hole dimension and lock housing matches, and the outside that pellet encapsulation sheath is enclosed within lock housing forms interference fits; Anti-thumb wheel and lock gall concentric, position corresponding with key on anti-thumb wheel has breach, and notch size is corresponding with key, has anti-thumb wheel moving tooth on anti-thumb wheel, and the outer face of anti-thumb wheel is provided with anti-dial wheel shaft; Over cap is the shell-like structure of inner face opening, and the outside dimension of over cap inner surface size and pellet encapsulation sheath matches, and the outer face of over cap has centre bore, and central hole size and anti-dial wheel shaft match; Over cap encapsulates the outside of sheath by centre bore and anti-dial axle sleeve at anti-thumb wheel and pellet, the position that over cap is corresponding with key and anti-thumb wheel breach has keyhole; Have on the key tartar, the pellet in the marble hole in tartar and lock housing matches.
2. anti-technical opening cylinder lock set according to claim 1, is characterized in that described lock gall is that cylindric, described lock gall moving tooth direction and blind hole is right-angled intersection, and the exterior arc surface diameter of lock gall moving tooth is greater than the external cylindrical surface diameter of lock gall.
3. anti-technical opening cylinder lock set according to claim 1, is characterized in that the column structure that described lock housing is hollow, has the lock housing fixing hole not connecting on the external cylindrical surface of lock housing.
4. anti-technical opening cylinder lock set according to claim 1, is characterized in that described pellet comprises one-level pellet and secondary pellet.
5. anti-technical opening cylinder lock set according to claim 1, it is characterized in that the column structure that described pellet encapsulation sheath is hollow, the outer face of pellet encapsulation sheath is concordant with the outer face of lock gall, lock housing, and the correspondence position of pellet encapsulation sheath and lock housing fixing hole has the pellet encapsulation sheath fixing hole of perforation.
6. anti-technical opening cylinder lock set according to claim 1, it is characterized in that described anti-thumb wheel is disc-shaped structure, anti-thumb wheel inner face is concordant with lock gall outer face, anti-thumb wheel moving tooth and lock gall moving tooth are right-angled intersection, anti-thumb wheel moving tooth size is corresponding with lock gall moving tooth, and anti-dial wheel shaft is located at the center of the outer face of anti-thumb wheel; Gapped between anti-thumb wheel outer face and protective jacket inner face.
7. anti-technical opening cylinder lock set according to claim 1; it is characterized in that described over cap is the shelly column structure of inner face opening; centre bore is located at the center, outer face of over cap, and the correspondence position of over cap and pellet encapsulation sheath fixing hole has the over cap fixing hole of perforation.
CN201420200167.8U 2014-04-23 2014-04-23 Pin tumbler lock with function of preventing technical unlocking Withdrawn - After Issue CN203846877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420200167.8U CN203846877U (en) 2014-04-23 2014-04-23 Pin tumbler lock with function of preventing technical unlocking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420200167.8U CN203846877U (en) 2014-04-23 2014-04-23 Pin tumbler lock with function of preventing technical unlocking

Publications (1)

Publication Number Publication Date
CN203846877U true CN203846877U (en) 2014-09-24

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ID=51559912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420200167.8U Withdrawn - After Issue CN203846877U (en) 2014-04-23 2014-04-23 Pin tumbler lock with function of preventing technical unlocking

Country Status (1)

Country Link
CN (1) CN203846877U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103938936A (en) * 2014-04-23 2014-07-23 朱晓红 Technical opening resistant billiard lock
CN114033255A (en) * 2021-11-23 2022-02-11 泉州思为工业设计有限公司 Lock core, lock's bunker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103938936A (en) * 2014-04-23 2014-07-23 朱晓红 Technical opening resistant billiard lock
CN114033255A (en) * 2021-11-23 2022-02-11 泉州思为工业设计有限公司 Lock core, lock's bunker

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140924

Effective date of abandoning: 20160518

C25 Abandonment of patent right or utility model to avoid double patenting