CN106948664B - Safety anti-theft lock and its key - Google Patents

Safety anti-theft lock and its key Download PDF

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Publication number
CN106948664B
CN106948664B CN201710174254.9A CN201710174254A CN106948664B CN 106948664 B CN106948664 B CN 106948664B CN 201710174254 A CN201710174254 A CN 201710174254A CN 106948664 B CN106948664 B CN 106948664B
Authority
CN
China
Prior art keywords
lock
closing piece
movable closing
key
lock core
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.)
Expired - Fee Related
Application number
CN201710174254.9A
Other languages
Chinese (zh)
Other versions
CN106948664A (en
Inventor
郑世和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Manleke Special Theftproof Lock Industrial Co Ltd
Original Assignee
Dongguan Manleke Special Theftproof Lock Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Manleke Special Theftproof Lock Industrial Co Ltd filed Critical Dongguan Manleke Special Theftproof Lock Industrial Co Ltd
Priority to CN201710174254.9A priority Critical patent/CN106948664B/en
Publication of CN106948664A publication Critical patent/CN106948664A/en
Application granted granted Critical
Publication of CN106948664B publication Critical patent/CN106948664B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05B27/0003—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/10—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by other surfaces of the key, e.g. openings receiving projections on the tumblers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/38—Auxiliary or protective devices

Abstract

The invention discloses a kind of safety anti-theft lock, and it includes lock core base, upper movable closing piece, lower movable closing piece, switch lever, left lock pull bar and right lock pull bar；Upper and lower movable closing piece is movably arranged on the upper and lower sliding intracavitary of lock core base, switch lever is connected with upper movable closing piece, left and right lock pull bar is correspondingly connected to the both sides of lower movable closing piece, and lock core base is provided with spacing ejection bullet pin, foreign matter stops pellet group and unlocking pellet group.After locking, keyhole and the position of unlocking pellet group are sequences, even if criminal is stolen by skeleton key, tinfoil or other unlocking tools in insertion keyhole, it can not directly contact and extrude the pellet in unlocking pellet group, also just prevent the phenomenon that this lockset is opened occur, anti-theft effect is substantially increased, is had a safety feature；And it is easy to use, simple, bring convenience to people's lives, overall structure is simple, compact in addition, it is easy to accomplish, especially suitable for U-shape lock or with similar structure lock technology field.

Description

Safety anti-theft lock and its key
Technical field
The present invention relates to lock technology field, and in particular to a kind of safety anti-theft lock and its key.
Background technology
With the quickening increasingly improved with rhythm of life of people's living standard, the prevention awareness of people is also increasingly strengthened. Then the theftproof lock sold on the market is varied, and it each has different design concepts, makes every effort to that different user can be reached Antitheft requirement.
Billiards structure lock is the lockset most generally used now, suitable for the inner-outer door of various buildings.Usually, pellet knot Structure lock includes two big main element of fixed lock core and flexible lock core.Offered respectively in fixed lock core, flexible lock core some relative The radial direction marble hole answered, a tack pellet and a round end pellet are placed with each marble hole.Also set in lower lock core marble hole Elastic device is equipped with, so that tack pellet is close to round end pellet.In locked state, flat nose subcard is in fixed lock core and activity At the interface of lock core.There is a keyhole flexible lock core outer face, after the key of matching is inserted into keyhole, upper lock core bullet Round end pellet in sub-aperture can be moved by the keyhole extruding of key to the direction of tack pellet, make each tack pellet and round end The contact surface of pellet forms a face of cylinder, and is flushed with the interface of fixed lock core and flexible lock core, forms opening. Under this state, key can rotate flexible lock core and billiards structure lock is opened.If key is not put into or is put into flexible lock core not The key of matching, tack pellet are stuck under the pressure of elastic device at the interface of fixed lock core and flexible lock core, and key is just Flexible lock core can not be rotated, lockset cannot also be opened.
But existing spring lock can compress pellet in order to which key is inserted after keyhole, the pellet in lock is arranged at key Where hole in cavity, keyhole can be inserted by skeleton key or other unlocking tools by so stealing criminal, contacted and squeezed Press pellet and unlock, its theftproof performance is not strong, and so as to constrain the popularization of theftproof lock and application, there is potential safety hazard.
Therefore, inventor has applied for that a title " can retain card tinfoil, flexible glue and similar unlocking work on June 18th, 2015 The safety lock and its key of tool ", the application for a patent for invention of publication number " 104948018A ", it include fixed lock core, flexible lock core, Rotating cylinder, shell, rotary device and linkage separate type internal lock are pulled out, flexible lock core is arranged in fixed lock core, and one end is with pulling out rotary device It is connected, the other end is connected with linkage separate type internal lock, and the limiting section side of fixed lock core is provided with spacing ejection bullet pin, should The socket part of fixed lock core, which is provided with, stops pellet region.Realize pellet and keyhole sequence, that is, steal criminal by ten thousand Energy key or other unlocking tools can not directly contact after keyhole is inserted and extrude pellet.
The application makes new improvement in the technical scheme of above-mentioned application, forms the lock core structure of another design, with Meet the requirement of different type lockset, be such as applied to U-shape lock.
The content of the invention
For above-mentioned deficiency, it is an object of the present invention to provide a kind of smart structural design, rationally, suitable for U-shape lock, It is safe, though theft criminal by skeleton key or other unlocking tools after keyhole is inserted, can not directly contact And extrude the safety anti-theft lock of pellet.
To achieve the above object, technical scheme provided by the present invention is：A kind of safety anti-theft lock, it include lock core base, Upper movable closing piece, lower movable closing piece, switch lever, left lock pull bar and right lock pull bar, the upper surface of the lock core base are provided with for upper The upper sliding chamber that movable closing piece horizontally slips, the lower surface of lock core base is provided with the downslide chamber to be horizontally slipped for lower movable closing piece, described The leftward position of sliding chamber is provided with keyhole the front of lock core base is corresponding, and described on movable closing piece provided with and the keyhole There are at least three spacing ejection bullets corresponding key chamber, the position of corresponding key chamber tail end in being spaced side by side on upper sliding cavity wall Pin, the spacing ejection bullet pin of two of which can be stretched into key chamber when key is not inserted into key chamber prevents movable closing piece from moving right Dynamic, the right positions of corresponding key chamber stop pellet group and unlocking pellet group, the lower work in being sequentially provided with foreign matter on upper sliding chamber Dynamic closing piece is arranged on downslide intracavitary, and is adapted with the unlocking pellet group；One end of left and right lock pull bar is correspondingly arranged at lower work The both sides of dynamic closing piece, and the other end of the left and right lock pull bar symmetrically stretches out the lock core base, one end connection of the switch lever On upper movable closing piece, the other end stretches out the lock core base.
As a modification of the present invention, the lock core base is arranged on lock body, and the both ends of the lock body, which are provided with, allows U-shaped bar to insert The lock entered, the other end of the right lock pull bar are inserted in lock corresponding thereto, and the other end of the left lock pull bar runs through Lock, and move to cover provided with the convenient lock pulled, one end of the switch lever stretching lock core base, which is provided with, conveniently will Its switch pulled pulls out lid.
As a modification of the present invention, the left lock pull bar be located at position in lock provided with mutually being fitted with the U-shaped bar The arc recess matched somebody with somebody, the both sides of the arc recess are symmetrically respectively provided with a breach.
As a modification of the present invention, the lower surface of the upper movable closing piece, which is provided with, slides along the upper of direction extension Gib block, and it is provided with the upper guide groove being adapted with gib block on this on sliding chamber described.
As a modification of the present invention, the bottom surface of the downslide chamber is provided with lower gib block, and in the lower active lock Block is provided with the lower guide groove being adapted with the lower gib block.
As a modification of the present invention, the pellet in the unlocking pellet group is dislocatedly distributed.
As a modification of the present invention, the foreign matter stops pellet in pellet group aligned fashion on the same line.
The key that a kind of above-mentioned safety anti-theft lock is adapted, it includes a strip lamellar body, and the strip sheet physical efficiency is inserted completely In the key chamber for entering upper movable closing piece, and it can be moved with the slip of upper movable closing piece, the lower surface of the strip lamellar body is set There is the keyhole corresponding with the unlocking pellet group.
As a modification of the present invention, one end width of the strip lamellar body is smaller, and the other end is in gradually increase shape.
As a modification of the present invention, the upper surface of the strip lamellar body is shiny surface.
Beneficial effects of the present invention are：Smart structural design of the present invention, rationally, after locking, keyhole and unlocking pellet The position of group is sequence, even if skeleton key, tinfoil or other unlocking tools are being inserted keyhole by theft criminal, It can not directly contact and extrude the pellet in unlocking pellet group, also just prevent the phenomenon that this lockset is opened occur, greatly improve Anti-theft effect, has a safety feature；And it is easy to use, simple, bring convenience to people's lives, in addition overall structure it is simple, It is compact, it is easy to accomplish, especially suitable for U-shape lock or with similar structure lock technology field.
Below in conjunction with the accompanying drawings with embodiment, the present invention is further described.
Brief description of the drawings
Fig. 1 is the structural representation applied in U-shape lock of the present invention.
Fig. 2 is the structural representation that the present invention is arranged on lock body.
Fig. 3 is the structural representation that Fig. 2 hides shell in lock body.
Fig. 4 is the decomposition texture schematic diagram of the present invention.
Fig. 5 is the structural representation of upper movable closing piece in the present invention.
Fig. 6 is the structural representation of key in the present invention.
Embodiment
Embodiment, referring to Fig. 1 to Fig. 6, a kind of safety anti-theft lock of the present embodiment offer, it includes lock core base 1, upper activity Closing piece 2, lower movable closing piece 3, switch lever 4, left lock pull bar 5 and right lock pull bar 6, the upper surface of the lock core base 1 are provided with for upper The upper sliding chamber 11 that movable closing piece 2 horizontally slips, the lower surface of lock core base 1 are provided with the downslide chamber to be horizontally slipped for lower movable closing piece 3, The leftward position that the front of the lock core base 1 corresponds to sliding chamber 11 is provided with keyhole 12, and is provided with described on movable closing piece 2 The key chamber 21 corresponding with the keyhole 12, the position of the corresponding tail end of key chamber 21 have in being spaced on the upper sliding inwall of chamber 11 side by side At least three spacing ejection bullet pins 7, the spacing ejection bullet pin 7 of two of which can stretch into key chamber when key is not inserted into key chamber 21 Prevent movable closing piece 2 from moving right in 21, the right positions of corresponding key chamber 21 are in being sequentially provided with foreign matter resistance on upper sliding chamber 11 Pellet group 8 and unlocking pellet group 9 are kept off, the lower movable closing piece 3 is arranged on downslide intracavitary, and is fitted with the phase of unlocking pellet group 9 Match somebody with somebody；One end of left and right lock pull bar 6 is correspondingly arranged at the both sides of lower movable closing piece 3, and the left lock pull bar 5, right lock pull bar 6 is another The lock core base 1 is symmetrically stretched out in one end, and one end of the switch lever 4 is connected on movable closing piece 2, described in other end stretching Lock core base 1.
In the application, it is illustrated with applying in U-shape lock, specifically, the lock core base 1 is arranged on lock body 10, The both ends of the lock body 10 are provided with the lock 102 for allowing U-shaped bar 101 to insert, and the other end insertion of the right lock pull bar 6 is corresponding thereto Lock 102 in, the other end of the left lock pull bar 5 run through lock 102, and provided with facilitating the lock pulled to move to cover, institute State switch lever 4 and stretch out one end of the lock core base 1 and be provided with the convenient switch pulled and pull out lid.
The arc recess being adapted with the U-shaped bar 101 is provided with the position that the left lock pull bar 5 is located in lock 102 51, the both sides of the arc recess 51 are symmetrically respectively provided with a breach 52., should the intensity provided with the position of breach 52 after breach 52 It is poor, it when being pullled by larger strength, can should voluntarily be disconnected provided with the position of breach 52, and effectively prevent from strongly pullling left lock drawing Cause the movable displacement of closing piece 2 damage lock core during bar 5.
The upper gib block 22 for sliding along direction extension is provided with the lower surface of movable closing piece 2 described, and described Upper sliding chamber 11 is provided with the upper guide groove 13 being adapted with gib block on this 22.Tinfoil, flexible glue or other soft can effectively be stopped Key unlocking instrument is imitated made of material to enter.Lower gib block is provided with the bottom surface of the downslide chamber, and in the lower activity Closing piece 3 is provided with the lower guide groove 31 being adapted with the lower gib block, the job stability of movable closing piece 3 under lifting.
In the present embodiment, it is preferred that the pellet in the unlocking pellet group 9 is dislocatedly distributed.In other embodiments, the unlocking Pellet in pellet group 9 can also be distributed on the same line.In the present embodiment, the foreign matter stops the pellet in pellet group 8 Aligned fashion on the same line, quantity share six.Aligned fashion on the same line, space-consuming can be saved, beneficial to lock The small size of tool.The marble hole for being used for installing on foreign matter stop pellet group 8 position wherein on lock core base 1 is counter sink, i.e., should Counter sink is not extended through to downslide chamber, and spring is provided with the bottom of counter sink, and top is placed with the bullet that foreign matter stops pellet group 8 Son.Unlocking pellet group 9 includes lower lock core marble and upper lock core pellet, and lower movable closing piece 3, which is provided with, to be used for installing lower lock core bullet The counter sink of son, the bottom of the counter sink are provided with spring, and top is placed with the lower lock core marble；In lock core base 1 be provided with The counter sink is corresponding and for installing the through hole of the upper lock core pellet, and the upper lock core pellet is located in the through hole, and should The lower surface of upper lock core pellet is pressed against on the upper surface of lower lock core marble.
The key that a kind of above-mentioned safety anti-theft lock is adapted, it includes a strip lamellar body, and the strip sheet physical efficiency is inserted completely In the key chamber 21 for entering upper movable closing piece 2, and it can be moved, the following table of the strip lamellar body with the slip of upper movable closing piece 2 Face is provided with the keyhole 103 corresponding with the unlocking pellet group 9.One end width of the strip lamellar body is smaller, the other end be in by Cumulative big shape, the less one end of width are insertion end, have the purpose for preventing wrong plug, are brought convenience to use.The strip sheet The upper surface of body is shiny surface, more conducively key disengaging key chamber 21.
In use, after in the key insertion key chamber 21 to match, it is relative to push up back spacing ejection bullet pin 7, conversely, spacing The ejecting card of bullet pin 7 is ejected in key chamber 21, the movable right lateral of closing piece 2, realizes first of theft-prevention structure in prevention.
At this moment, under the position-limiting action of infinite place ejection bullet pin 7, pull movable closing piece 2 right to the right by switch lever 4 OK.
When key moves to right with upper movable closing piece 2 stops 8 position of pellet group to foreign matter, if the key is the key of the matching of phase Spoon can move to the position of unlocking pellet group 9 easily；If conversely, the key is imitated using made of tinfoil, flexible glue or other soft materials Key unlocking instrument, then hindered under the high-tension pellet top pressure effect that foreign matter stops pellet group 8 to deform it and being blocked Only it is moved to the locality of unlocking pellet group 9, realizes second theft-prevention structure.
Therewith, when the key to match moves to the position of unlocking pellet group 9 with upper movable closing piece 2, due to this on the key Provided with the keyhole 103 corresponding with the pellet in unlocking pellet group 9, therefore, so that lower lock core bullet in lower movable closing piece 3 The bottom surface of son and the contact surface and downslide chamber of the upper lock core pellet in lock core base 1 coincides, and at this moment, lower movable closing piece 3 can To be moved relative to lock core base 1；Conversely, the lower lock core marble in the lower movable closing piece 3 heads into movable closing piece 3 under lock core base 1 prevents Make shift action with respect to lock core base 1, realize the 3rd theft-prevention structure.
Then, moved to left by movable closing piece 3 under the left lock pull bar 5 of push-and-pull and realize unlocking purpose or move to right what realization locked Purpose.
After locking, push back switch lever 4 and force the movable left lateral of closing piece 2 to initial position, at this moment, spacing ejection bullet pin 7 Automatically key is ejected out of key chamber 21, it is convenient to take out key, using simple, conveniently.Simultaneously after locking, due to the present invention Safety anti-theft lock is sequence relative to the keyhole 12 and pellet of conventional lock, and theft criminal is i.e. enabled by master key Spoon, tinfoil or other unlocking tools are inserting keyhole 12, can not directly contact and extrude pellet, also just prevent lockset occur The phenomenon opened, substantially increases anti-theft effect, has a safety feature.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party Formula is changed and changed.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although used in this specification Some specific terms, but these terms are merely for convenience of description, do not form any restrictions to the present invention.Such as the present invention Described in above-described embodiment, using other locksets obtained from same or similar structure, all fall in the scope of protection of the present invention.

Claims (10)

  1. A kind of 1. safety anti-theft lock, it is characterised in that：It include lock core base, upper movable closing piece, lower movable closing piece, switch lever, Left lock pull bar and right lock pull bar, the upper surface of the lock core base are provided with the upper sliding chamber to be horizontally slipped for upper movable closing piece, lock core base Lower surface be provided with the downslide chamber to horizontally slip for lower movable closing piece, the leftward position of sliding chamber the front of the lock core base is corresponding Provided with keyhole, and the key chamber corresponding with the keyhole is provided with movable closing piece described, corresponding key chamber tail end Position in be spaced side by side on upper sliding cavity wall have at least three it is spacing ejection bullet pins, two of which it is spacing ejection bullet pin in key not Can be stretched into key chamber when inserting key chamber prevents movable closing piece from moving right, and the right positions of corresponding key chamber are in upper sliding chamber On be sequentially provided with foreign matter and stop pellet group and unlocking pellet group, the lower movable closing piece is arranged on downslide intracavitary, and is opened with described Lock pellet group is adapted；One end of left and right lock pull bar is correspondingly arranged at the both sides of lower movable closing piece, and the left and right lock pull bar The other end symmetrically stretches out the lock core base, and one end of the switch lever is connected on movable closing piece, described in other end stretching Lock core base.
  2. 2. safety anti-theft lock according to claim 1, it is characterised in that：The lock core base is arranged on lock body, the lock body Both ends be provided with allow U-shaped bar insert lock, it is described it is right lock pull bar the other end insertion positioned at right positions lock in, it is described The other end of left lock pull bar runs through the lock positioned at leftward position, and moves to cover provided with the convenient lock pulled, the switch Lid is pulled out provided with the convenient switch pulled in one end that pull bar stretches out the lock core base.
  3. 3. safety anti-theft lock according to claim 2, it is characterised in that：The position that the left lock pull bar is located in lock is set There is the arc recess being adapted with the U-shaped bar, the both sides of the arc recess are symmetrically respectively provided with a breach.
  4. 4. according to the safety anti-theft lock described in any one in claim 1-3, it is characterised in that：Under the upper movable closing piece Surface is provided with the upper gib block for sliding along direction extension, and is provided with what is be adapted with gib block on this on sliding chamber described Upper guide groove.
  5. 5. safety anti-theft lock according to claim 4, it is characterised in that：The bottom surface of the downslide chamber is provided with lower guiding Bar, and the lower guide groove being adapted with the lower gib block is provided with the lower movable closing piece.
  6. 6. safety anti-theft lock according to claim 1, it is characterised in that：Pellet dislocation point in the unlocking pellet group Cloth.
  7. 7. safety anti-theft lock according to claim 6, it is characterised in that：Pellet in the foreign matter stop pellet group is same Aligned fashion on one straight line.
  8. A kind of 8. key being adapted with any described safety anti-theft locks of claim 1-7, it is characterised in that：It includes a length Bar lamellar body, in the key chamber of the fully-inserted movable closing piece of the strip sheet physical efficiency, and can with the slip of upper movable closing piece and Mobile, the lower surface of the strip lamellar body is provided with the keyhole corresponding with the unlocking pellet group.
  9. 9. key according to claim 8, it is characterised in that：One end width of the strip lamellar body is smaller, and the other end is in Gradually increase shape.
  10. 10. key according to claim 8 or claim 9, it is characterised in that：The upper surface of the strip lamellar body is shiny surface.
CN201710174254.9A 2017-03-22 2017-03-22 Safety anti-theft lock and its key Expired - Fee Related CN106948664B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710174254.9A CN106948664B (en) 2017-03-22 2017-03-22 Safety anti-theft lock and its key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710174254.9A CN106948664B (en) 2017-03-22 2017-03-22 Safety anti-theft lock and its key

Publications (2)

Publication Number Publication Date
CN106948664A CN106948664A (en) 2017-07-14
CN106948664B true CN106948664B (en) 2018-01-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710174254.9A Expired - Fee Related CN106948664B (en) 2017-03-22 2017-03-22 Safety anti-theft lock and its key

Country Status (1)

Country Link
CN (1) CN106948664B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5400624A (en) * 1993-08-16 1995-03-28 Shieh; Jen-Guey U-shaped padlock structure
JP2000336998A (en) * 1999-05-26 2000-12-05 Iic:Kk U-shaped anti-theft device
CN200975138Y (en) * 2006-11-27 2007-11-14 黎金海 Anti-theft lock for billiards
CN201078123Y (en) * 2007-06-27 2008-06-25 蔡加杰 Combined spring lock

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