CN108798264A

CN108798264A - Key and automatic reset structure

Info

Publication number: CN108798264A
Application number: CN201710625549.3A
Authority: CN
Inventors: 谭召亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-27
Filing date: 2017-07-27
Publication date: 2018-11-13
Anticipated expiration: 2037-07-27
Also published as: CN108798264B

Abstract

The present invention relates to key fields, disclose a kind of key, include the key body for solving lock pin, and the key body includes main part and at least one key piece；The outer surface of the key piece is provided with the eyelet for solving hoodle component in lock pin, and the bottom of key piece is articulated and connected with the main part, and hinged key piece can be inclined outwardly rotation based on articulated shaft relative to main part；It is additionally provided with resetting apparatus in the bottom of the key piece, when key piece is inclined outwardly rotation, which can drive key piece to be repositioned to key piece outer wall and the coplanar position of main part outer wall.For being used cooperatively with a kind of theftproof lock, there is above-mentioned key the key slot of deflecting, above-mentioned key can be inserted into the key slot and be unlocked for the inside of the theftproof lock；Since key slot has the characteristic of deflecting, and it is difficult the deflecting in slot that unlocking tool, which is, even if becoming the lock core for being also impossible to stir backward at unlock skewed slot, so as to prevent so-called technology unlocking.

Description

Key and automatic reset structure

Technical field

The present invention relates to key fields.

Background technology

Currently, state's internal cylinder is in the market, include the lock of tri- kinds of ranks of A, B, C.A grades lock generally comprise a traditional letter lock, The lock of only row's pinball structure in cross lock, crescent lock and most of lock core, anti-theft is poor, and mutual opening rate is high, technology The time is opened generally at several seconds to two minutes or so, and in the numerous burglaries occurred at home, the stolen portal of majority uses All it is A grades of locks.B grades of locks have double-row marble slot, have been more than key face that a row is having many bends or curves irregular with the A grades of different places of lock Groove, lock core main Types are 3 kinds, the double lock core of computer, double crescent moon lock core and two-sided blade lock core, anti-technical to open Time, mutual opening rate was high, and by turning round tool by force, lock core can be opened in 1 minute in 5 minutes.It is safer currently on the market It is C grades of locks, uses double, computer, composite curve groove key, opened without law technology within 270 minutes, but C grades of locks is in financial industry It is civilian less using more.The uncaging time of three kinds of ranks is different, and the time is longer, and safety coefficient is higher, and stolen can Energy property is lower.

But present A grades, B grades, C grades of locks, key groove track is all straight-through, so tool holds enters key slot very much In, then thief stirs hoodle or locking plate with skill again.In straight-through track, for experienced thief, tool is used All it is openable, only the problem of uncaging time length.

Invention content

Technical problem to be solved by the invention is to provide a kind of key, which is used to make with a kind of cooperation of theftproof lock With the inside of the theftproof lock has the key slot of deflecting, which is used to be inserted into the key slot of deflecting and be unlocked, due to key Spoon slot has the characteristic of deflecting so that and unlocking tool deflecting and can not extend into the innermost end of slot and unlocked in slot, to Prevent so-called technology unlocking, greatly improves the anti-theft performance of lockset.

The technical solution adopted by the present invention to solve the technical problems is：A kind of key is provided, including is used to unlock lock The key body of core, the key body include main part and at least one key piece；

The outer surface of the key piece is provided with the eyelet for solving hoodle component in lock pin, the bottom of key piece and institute The main part articulated connection stated, hinged key piece can be inclined outwardly rotation based on articulated shaft relative to main part；Institute The bottom for stating key piece is additionally provided with resetting apparatus, and when key piece is inclined outwardly rotation, which can drive key piece It is repositioned to key piece outer wall and the coplanar position of main part outer wall；

The resetting apparatus cooperation articulated shaft is arranged in the inside of key piece, and resetting apparatus includes return spring And steel ball；The return spring is in compressive state, and one end acts against in the focusing surface in key piece, and the other end acts against described On steel ball；The corresponding steel ball, offers the circular hole that diameter is slightly less than steel ball outer diameter, in return spring in the wall surface of key piece Elastic force effect under, the steel ball have spherical calotte it is prominent by the circular hole and it is exposed coordinate the exposed spherical surface of the steel ball outside, The spherical concave surface for accommodating the exposed spherical surface is provided in the main part；When the key piece is located at outside key piece When the coplanar position of wall and main part outer wall, the spherical concave surface can guarantee that the exposed area of spherical surface of steel ball is maximum value； When the key piece tilt rotation, the steel ball is limited by the spherical concave surface and is inside contracted, and when key piece rotates When to inclination maximum, it is at minimum value that exposed area of spherical surface is reduced in steel ball.

Further, the return spring is arranged in parallel relative to the articulated shaft.

Further, the return spring is vertically arranged relative to the articulated shaft.

Further, the quantity of the key piece is four, and four key pieces join in the end of main part, and four A key piece surrounds the square structure in a section；The key piece that one of which is oppositely arranged, return spring is relative to institute The articulated shaft stated is arranged in parallel, and another group of key piece being oppositely arranged, return spring is vertically set relative to the articulated shaft It sets.

Further, the front end of the key piece is provided with inclined guide surface.

Further, the outer surface of the main part is provided with the groove for solving lock pin internal lock piece.

Further, quantity of the eyelet on single key piece is three to eight.

Based on same thinking, the present invention also provides a kind of automatic reset structures, including fixed part and bottom to be hinged on Movable part on the fixed part, hinged movable part can be based on articulated shaft relative to fixed part to side tilt rotation, it is described The bottom of movable part is provided with resetting apparatus, and when movable part is to side tilt rotation, which can drive movable part to return Position is to movable part and the homoaxial position of fixed part；

The resetting apparatus cooperation articulated shaft is arranged in the inside of movable part, and resetting apparatus includes return spring And steel ball；The return spring is in compressive state, and one end acts against in the focusing surface in movable part, and the other end acts against described On steel ball；The corresponding steel ball, offers the circular hole that diameter is slightly less than steel ball outer diameter, in return spring in the wall surface of movable part Elastic force effect under, the steel ball have spherical calotte it is prominent by the circular hole and it is exposed coordinate the exposed spherical surface of the steel ball outside, The spherical concave surface for accommodating the exposed spherical surface is provided on the fixed part；When the movable part and fixed part are coaxial When, the spherical concave surface can guarantee that the exposed area of spherical surface of steel ball is maximum value；When the movable part tilt rotation, institute The steel ball stated is limited by the spherical concave surface and is inside contracted, and when movable part turns to inclination maximum, is reduced in steel ball exposed Area of spherical surface is at minimum value.

It should be noted, spring as referred to herein is parallel or be vertically arranged relative to articulated shaft, refers to the axis of spring center It is parallel or vertical relative to articulated shaft.

The beneficial effects of the invention are as follows：The key of the present invention for being used cooperatively with a kind of theftproof lock, the theftproof lock it is interior There is the key slot of deflecting, key of the invention can be inserted into the key slot and be unlocked in portion；Since key slot has deflecting Characteristic, and it is difficult the deflecting in slot that unlocking tool, which is, though become be also impossible to stir unlock deflecting backward after lock at skewed slot Core, therefore so-called technology unlocking can be prevented, greatly improve the anti-theft performance of lockset.

Description of the drawings

Fig. 1 is the explosive view of the theftproof lock of embodiment 1 (this is not shown in figure connection sheet)；

Fig. 2 is the enlarged drawing of lock core shell and locking plate component in Fig. 1；

Fig. 3 is the structural schematic diagram of the theftproof lock of embodiment 1；

Fig. 4 is the A-A of Fig. 3 to section view；

Fig. 5 is the structural schematic diagram of the locking plate of embodiment 1；

Fig. 6 is the shape assumption diagram of the key of embodiment 1；

Fig. 7 is the B direction views of Fig. 6；

Fig. 8 is the C direction views of Fig. 6；

Fig. 9 is the explosive view on the tops Fig. 6；

Figure 10 is return spring relative to articulated shaft schematic diagram disposed in parallel；

Figure 11 is return spring relative to the vertically disposed schematic diagram of articulated shaft；

Figure 12 is when key piece outer wall and main part outer wall are coplanar, and (this figure is to return for the fundamental diagram of resetting apparatus For position spring is vertically arranged relative to articulated shaft, when being arranged in parallel similarly)；

Figure 13 is when key piece tilt rotation, and (this figure is equally opposite with return spring for the fundamental diagram of resetting apparatus For articulated shaft is vertically arranged, when being arranged in parallel similarly)；

Schematic diagram when Figure 14 is key unlock theftproof lock in embodiment 1；

Figure 15 is schematic diagram when theftproof lock is in the lock state in embodiment 1；

Figure 16 is the shape assumption diagram of the lock core shell of theftproof lock and guider in embodiment 2；

Figure 17 is the shape assumption diagram of key in embodiment 2；

Figure 18 is the upward view of guider in embodiment 2；

In figure label for：1- lock bodies, 2- lock cores, 11- boss structures, 12- locking plate accommodating chambers, 13- ball races B, 21- lock core Shell, 22- guiders, 23- hoodle components, 24- straight troughs, 25- skewed slots, 26- elastic parts, 27- sealings end, 28- connection sheets, 29- locking plates, 30- locking plate springs, 211- leading portion lock core shells, 212- back segment lock core shells, the second axially extending bore of the inclined-planes 221- B, 222-, 223- short slots, the upper hoodles of 231-, 232- lower pellets, 233- hoodle springs, 261- connecting screws, 262- springs, 271- first axles To through-hole, 291- protrusions, 2111- locking plate slots, 2112- locking plate spring grooves, the inclined-planes 2121- A, 2122- threaded hole, 2123- hoodles Slot A；3- handles, 4- key bodies, the main part of 41- key bodies, the key piece of 42- key bodies, 43- articulated shafts, 51- return bullets Spring, 52- steel balls, 411- grooves, 412- extended surfaces, 413- main part outer walls, 414- spherical shapes concave surface, 421- eyelets, 422- are straight Groove, 423- drain chamfering, 424- key piece outer walls, 425- circular holes, 426- guide surfaces, the exposed spherical surfaces of 521-, the receiving of H1- locking plates The height of chamber, the height of H2- locking plates.

Specific implementation mode

The present invention is described in further detail with reference to specific embodiment, but embodiments of the present invention are not limited to This.

The key of the present invention is designed based on a kind of theftproof lock, and the technical solution of the theftproof lock is as follows：

A kind of theftproof lock, including lock body 1 and the lock core 2 being set in the lock body 1, the lock core 2 is relative to the tool of lock body 1 There are two states of locking and unlock, lock core 2 can be rotated relative to lock body when positioned at unlocked state.It is provided with for key in lock core 2 The key slot that spoon is inserted into, which includes the leading portion and back segment communicated, wherein the key slot of leading portion is straight trough 24, back segment Key slot is skewed slot 25, and the angle between skewed slot 25 and straight trough 24 is obtuse angle.The theftproof lock is at skewed slot 25 configured with the first lock Determine component, which can lock or unlock lock core 2.

For above-mentioned theftproof lock, the present invention provides a kind of key, which can be used cooperatively with above-mentioned theftproof lock.The key Spoon includes key handle 3 and the key body 4 for solving lock pin, and the key body 4 includes main part 41 and key piece 42, The quantity of the key piece 42 is at least one, and the bottom of key piece 42 is hinged in main part 41 and can be based on articulated shaft 43 It is inclined outwardly rotation relative to main part 41, the first solution lock section is provided on key piece 42, which is for solving It locks and states the first locking member at theftproof lock skewed slot 25, therefore during fabrication, the first solution lock section of key need to prevent with above-mentioned The first locking member at lock skewed slot 25 is stolen to match.

Preferably, the present invention uses hoodle component 23 as the first locking member at theftproof lock skewed slot 25, for the bullet Pearl component 23, in 42 outer surface of key piece of key, setting perforation 421 is used as the first solution lock section.

In order to further increase the anti-theft performance of theftproof lock, the second sticking department is also configured at the straight trough 24 of theftproof lock Part is provided with the second unlock for unlocking the second locking member for second locking member in the main part 41 of key Portion.Preferably, the present invention uses locking plate component as the second locking member at 25 straight trough 24 of theftproof lock, for the lock sheet groups Part offers the groove 411 to match with the locking plate component on the surface of key body part 41 and is used as the second solution lock section.

Embodiment 1：

As Figure 1-Figure 5, the theftproof lock of the present embodiment, lock core 2 include lock core shell 21, guider 22 and sealing end 27。

The lock core shell 21 includes leading portion and back segment, and the straight trough 24 is located in leading portion lock core shell 211, the back segment There are four inclined-plane A 2121 (inclined-plane A is shown in Fig. 3) for the inside tool of lock core shell 212, and as depicted in figs. 1 and 2, four inclined-plane A 2121 are in Crossing distribution；

There are four the inclined-plane B 221 protruded, inclined-plane B 221 to coordinate the inclined-plane A for the appearance tool of the guider 22 2121 settings are also in crossing distribution.The skewed slot 25 described in four is formed between four inclined-planes 2121,221 as a result, wherein Two opposite skewed slots 25 are V-shaped；

The hoodle component 23 is four groups, corresponds to four skewed slots 25 respectively and installs, every group of hoodle component 23 is installed in In the ball race A 2123 of back segment lock core shell 212 and the ball race B 13 of lock body 1, has and lock and unlock two states, work as place Lock core shell 21 cannot be rotated relative to lock body 1 when lock-out state.Specifically, every group of hoodle component 23 includes five in the present embodiment 231, five lower pellets 232 of upper hoodle and five hoodle springs 233, the arrangement of the hoodle in every group of hoodle component 23 can be with There are many, i.e., the spacing of each hoodle, position can arbitrarily be arranged；There are two types of situations for the lock-out state of hoodle component, and one is do not insert When entering key (hoodle spring 233 is in the raw), lower pellet 232 is stuck between back segment lock core shell 212 and lock body 1, is such as schemed Shown in 15, to stop that the rotation of lock core 2, another kind are that the eyelet 421 of be inserted into key is mismatched with the arrangement of hoodle When, key pushes up hoodle 231 and is between back segment lock core shell 212 and lock body 1 after the meeting, equally blocks the rotation of lock core 2；Such as Shown in Figure 14, the unlocked state of hoodle component is, when the arrangement of the eyelet 421 and hoodle that are inserted into key matches, Under the action of eyelet 421, just it is located in back segment lock core shell 212 and lock body 1 after 233 retraction of upper hoodle 232 and lower pellet, The line of demarcation and the line of demarcation of back segment lock core shell 212 and lock body 1 of upper lower pellet are flush at this time, and back segment lock core shell 212 is solved Lock, can just rotate along the line of demarcation of upper lower pellet.

The sealing end 27 is used to seal the internal part of lock core 2, is concave inward structure, is arranged in guider 22 The back side, and the end plane-plane contact of end face and lock core shell 212 makes guider 22 be located in the groove of the concave inward structure.This is led It is also configured with elastic parts 26 to device 22, elastic parts 26 includes connecting screw 261 and spring 262, the connecting screw 261 sequentially pass through fixation after the second axially extending bore 222 on first axis through-hole 271 and guider 22 on sealing end 27 In threaded hole 2122 on back segment lock core shell 212, wherein the aperture of the second axially extending bore 222 is slightly larger than connecting screw 261 Outer diameter, the spring 262 are coated at connecting screw 261 on the step surface of the second axially extending bore 222, and in compression shape State one end holds out against guider 22, other end top tight sealing end 27.As a result, when key is inserted into skewed slot 25, key can sinciput Guider 22 makes guider 22 along 261 axial retraction of connection bolt, to make 25 width of skewed slot widen, convenient for key Into when the arrangement of the eyelet of key and hoodle matches, after key is fully inserted into, upper hoodle 231 can be all aligned The eyelet of key, the at this time meetings of inclined-plane B 221 of guider 22 hold out against the one of key under the action of 262 elastic restoring force of spring Side makes the eyelet of key another side that upper hoodle 231 be pushed to make hoodle component 23 just at unlocked state.

In addition, the present embodiment includes the locking plate component described in four groups, each group locking plate component includes three locking plates 29 and three Locking plate spring 30, locking plate 29 are frame-shaped construction, and centre has the slot that is inserted into for key, two opposite side of slot equipped with for key The protrusion 291 that groove 411 links accordingly is provided with the locking plate slot moved radially for locking plate 29 on leading portion lock core shell 211 2111, described 30 one end of locking plate spring is mounted on locking plate 29, and the other end is mounted on the locking plate spring groove on 2111 side of locking plate slot On 2112, meanwhile, locking plate accommodating chamber 12 is equipped on the lock body 1 of locking plate component corresponding position；When locking plate 29 in the raw when (when being not inserted into key), locking plate 29 are distributed in locking plate slot 2111 in stagger arrangement, and locking plate 29 is convex from the both sides of locking plate slot 2111 respectively Go out to enter in locking plate accommodating chamber 12, the height H1 of the locking plate accommodating chamber 12 is slightly larger than height H2 (such as Fig. 4 and Fig. 5 of locking plate 29 It is shown), rotation of the locking plate 29 around axis can be limited after locking plate 29 enters accommodating chamber, to limit lock core shell 21 relative to lock The rotation of body 1, only when the groove for being inserted into key is adapted with the protrusion 291 on locking plate 29, key can just drive all locks Piece 29 is moved in locking plate slot 2111 and both sides not evagination, and leading portion lock core shell 211 could be rotated relative to lock body 1 at this time.

To enable each component of lock core 2 to be rotated as a whole relative to lock body 1, it is fixed with and cuts on sealing end 27 Face is L-shaped connection sheet 28, and connection sheet 28 is buckled in after fixing on the boss structure 11 of 1 outer wall of lock body again, due to sealing end 27 It is the end plane-plane contact acted against on back segment lock core shell 212 with back segment lock core shell 212, so the connection sheet 28 can be by lock core Each component by boss structure 11 limits its axial movement after drawing over to one's side as a whole, but it should be noted that, the connection sheet 28 It is not intended to limit rotation of the lock core 2 relative to lock body 1.

As shown in Fig. 6-Figure 11, the key of the present embodiment, the groove 411 on 41 surface of main part needs to coordinate above-mentioned antitheft Protrusion 291 on lock locking plate 29 is opened up, and when key is inserted into the straight trough 24 of above-mentioned theftproof lock, groove 411 can drive respectively Locking plate 29 is moved in locking plate slot 2111 and not evagination, to unlock leading portion lock core shell 211；The eyelet of 42 outer surface of key piece 421 need the arrangement for corresponding to above-mentioned hoodle to be configured, i.e., eyelet 421 can make hoodle component 23 in the unlocked state, In the present embodiment, it is respectively provided on each key piece there are five eyelet 421.

Specifically, the quantity of key piece 42 is four, four key pieces 42 surround the square structure in a section；Each key The bottom of key piece 42 is hinged on the end of the main part 41, it is hinged after key piece 42 can be based on articulated shaft 43 relative to Main part 41 is inclined outwardly rotation；It is entered in the skewed slot 25 of theftproof lock for the ease of key piece 42, before key piece 42 End is additionally provided with inclined guide surface 426.In addition, be additionally provided with resetting apparatus in the bottom of key piece 42, when key piece 42 to When outer incline rotates, which can drive that key piece 42 is repositioned to key piece outer wall 424 and main part outer wall 413 is coplanar Position；

The resetting apparatus cooperation articulated shaft 43 is arranged in the inside of key piece 42, and resetting apparatus includes return Spring 51 and steel ball 52；The return spring 51 is in compressive state, and one end acts against in the focusing surface in key piece 42, the other end It acts against on the steel ball 52；The corresponding steel ball 52, offers diameter in the wall surface of key piece 42 and is slightly less than steel ball 52 The circular hole 425 of outer diameter, under the elastic force effect of return spring 51, which has spherical calotte to be protruded by the circular hole 425 And it is exposed outside；The exposed spherical surface 521 for coordinating the steel ball 52 is provided in the main part 41 and accommodates the exposed ball The spherical concave surface 414 in face 521；When the key piece 42 is located at key piece outer wall 424 and the coplanar position of main part outer wall 413 When setting, the spherical concave surface 414 can guarantee that 521 area of exposed spherical surface of steel ball 52 is maximum value, when the key piece 42 When tilt rotation, the steel ball 52 is limited by the spherical concave surface 414 and is inside contracted, and is inclined when key piece 42 turns to maximum When angle, it is at minimum value that 521 area of exposed spherical surface is reduced in steel ball 52.

In the present embodiment, the key piece 42 that one of which is oppositely arranged, return spring 51 are hinged relative to described Axis 43 is arranged in parallel, and the key piece 42 that another group is oppositely arranged, and return bullet 51 is vertically set relative to the articulated shaft 43 It sets.

The operation principle of resetting apparatus is as follows：As shown in figure 12, when key piece 42 is located at key piece outer wall 424 and main part Exceptionally the coplanar position of wall 413 when, the elastic restoring force F of return spring 51 can push up steel ball 52 to lowermost end, at this point, steel ball 521 area of exposed spherical surface is maximum value；As shown in figure 13, when 42 tilt rotation of key piece, steel ball 52 can deviate therewith, offset Steel ball 52 afterwards can be limited by the cambered surface of spherical concave surface 414 and inwardly be bounced back, and retraction causes the compression of return spring 51 to increase, The elastic restoring force F being subject to steel ball 52 also will increase, and under the action of the restoring force, return spring 51 is in order to discharge elasticity Restoring force can drive the return of steel ball 52 to lowermost end (i.e. exposed 521 area of spherical surface is maximum value), to which key piece 42 is by steel The power that pearl 52 moves back will self-return to key piece outer wall 424 and the coplanar position of main part outer wall 413.

About the antitheft lock & key of the present embodiment, it should be noted that, since key piece 42 is to be inserted into straight trough 24 at first, And have locking plate 29 at straight trough 24, there is protrusion 291 on locking plate 29, therefore to prevent protrusion 291 from influencing the insertion of key piece 42, cooperation Protrusion 291 on 29 opposite side of locking plate is offered on corresponding two key pieces 42 and is communicated with 41 groove 411 of main part Straight groove 422, and the front end of straight groove 422 is equipped with drainage chamfering 423, to which key piece 42 is when being inserted into straight trough 24, drainage is fallen The protrusion 291 of locking plate 29 can be introduced into straight groove 422 by angle 423 first, and when then key continues into, protrusion 291 can be suitable Straight groove 422 to move in the groove 411 of main part 41, as a result, by design straight groove 422 ensure that key piece 42 not by The influence of protrusion 291, can be smoothly inserted into straight trough 24.After protrusion 291 enters groove 411, it is further continued for being inserted into key, four keys Piece 42 will around be separated along skewed slot 24, while groove 411 can drive locking plate 29 to move, and final locking plate 29 all moves to lock Evagination, the eyelet 421 of key piece can then not drive all hoodle components 23 to move to unlocked state in film trap 2111 and both sides, from And groove 411 has unlocked locking plate component, eyelet 421 has unlocked hoodle component 23, has been respectively completed the solution of straight trough 24 and skewed slot 25 Lock is unlocked so that lock core shell 21 is whole, is then rotated further by the handle 3 of key, key piece 42 will drive lock core shell 21 and guider 22 rotate together, and lock core shell 21 is linked together by connecting screw 261 with sealing end 27, Therefore sealing end 27 can also rotate therewith, and finally under the action of connection sheet 28, the component of lock core 2 can be whole as one Body is rotated with the rotation of key, completes the unlock of theftproof lock.

It should be noted, the attached drawing of the present embodiment does not show that the shifting block of the theftproof lock, and during fabrication, shifting block can be arranged It seals on end 27 or at other rational positions, can guarantee can rotate together with lock core 2.

Embodiment 2：

The present embodiment is roughly the same with the technical solution of embodiment 1, and main distinction point is, the present embodiment theftproof lock skewed slot Quantity be two.

Based on two skewed slots, the present embodiment has made following change to the lock core and key of embodiment 1：

About lock core, quantity of the inside with inclined-plane A 2121 of back segment lock core shell 212 is two, as shown in figure 16, two A inclined-plane A 2121 is distributed in linear type；Corresponding, it is two that the appearance of guider 22, which has the quantity of the inclined-plane B 221 of protrusion, It is a, also it is in that linear type is distributed；The skewed slot 25 described in two, and two skewed slots are formed between two inclined-planes 2121,221 as a result, 25 is V-shaped；Certainly, the quantity of hoodle component 23 is also just two groups, corresponds to two skewed slots 25 respectively and is arranged.

About key, as shown in figure 17, the quantity of key piece 42 is two, and the bottom of two key pieces 42 is again provided with Resetting apparatus described in embodiment 1.In order to promote the appearance globality of key, the main part 41, which has, coordinates the key 42 molding extended surface 412 of key piece, the extended surface 412 are integrally formed in main part 41, and extended surface 412 is by key piece 42 Root position extends to the end position of key piece 42, and forming a surrounding with key piece 42 encloses the square knot in section Structure.As a result, after key piece 42 collapses, the structure that surrounding encloses improves the globality of key so that key profiles are more beautiful It sees, and extended surface 412 also has protective effect to key piece 42.Straight groove 422 is equally offered on extended surface 412 and drainage is fallen Angle 423, function is same as Example 1.

In the present embodiment, since extended surface 412 is fixed, after key is inserted into, the needs of guider 22, which are kept for, to be prolonged The space of the resigning of face 412 is stretched, therefore hole or short slot 223 are equipped at the middle part of guider 22, so that extended surface 412 is therefrom worn It crosses, avoids it from stopping the insertion of key, as shown in figure 18.

It about the present invention, should be noted, the quantity of skewed slot is not limited to four or two, selects four or two skewed slots It is two kinds of preferred embodiments that above-described embodiment is enumerated, certainly, skewed slot may be one, three or more a, corresponding, keys The quantity of key piece be alternatively one, three or more.When key piece be one, three or more when, the tool of key Body structure is similar to the above embodiments, therefore no longer individually enumerates embodiment and illustrate.

Locking plate component and hoodle component are respectively set at straight trough and skewed slot, opens for theftproof lock in both examples above Lock is need to unlock locking plate component and hoodle component simultaneously can unlock, therefore have extremely strong anti-theft performance, professional unlocking staff Even if after the locking plate for having unlocked straight trough using current tool, it is also difficult to become in key groove track and unlock at skewed slot again backward Hoodle component, also with multiple skewed slots, it is also necessary to while the hoodle component in each skewed slot is unlocked, this is to current Technical staff and tool for can not possibly accomplish.Therefore the theftproof lock anti-theft performance of the present invention is excellent, has fabulous Market prospects, key of the invention are configured exclusively for the theftproof lock, and key is current lockset city together with theftproof lock Field provides a kind of more optimal solution, substantially increases the security performance of lockset.

Embodiment 3：

Based on the resetting apparatus of key in embodiment 1, the present invention also provides a kind of automatic reset structures, including fixed part And bottom is hinged on the movable part on the fixed part, hinged movable part can be based on articulated shaft relative to fixed part to side The bottom of tilt rotation, the movable part is provided with resetting apparatus, when movable part is to side tilt rotation, the resetting apparatus energy Movable part is driven to be repositioned to movable part and the homoaxial position of fixed part；

Selectively, the return spring can be arranged in parallel or be vertically arranged relative to the articulated shaft.

Since the automatic reset structure of the present embodiment is identical as the resetting apparatus operation principle of embodiment 1, herein not It illustrates again.

Claims

1. key includes for solving the key body of lock pin (4), it is characterised in that：The key body (4) includes main part (41) and at least one key piece (42)；

The outer surface of the key piece (42) is provided with the eyelet (421) for solving hoodle component in lock pin, key piece (42) Bottom be articulated and connected with the main part (41), hinged key piece (42) can be based on articulated shaft (43) relative to main body Partly (41) are inclined outwardly rotation；It is additionally provided with resetting apparatus in the bottom of the key piece (42), when key piece (42) is outside When tilt rotation, which can drive key piece (42) to be repositioned to key piece outer wall (424) and main part outer wall (413) Coplanar position；

The resetting apparatus cooperation articulated shaft (43) is arranged in the inside of key piece (42), and resetting apparatus includes return Spring (51) and steel ball (52)；The return spring (51) is in compressive state, and one end acts against the focusing surface in key piece (42) On, the other end acts against on the steel ball (52)；The corresponding steel ball (52), offers directly in the wall surface of key piece (42) Diameter is slightly less than the circular hole (425) of steel ball (52) outer diameter, and under the elastic force effect of return spring (51), which has part ball Face it is prominent by the circular hole (425) and it is exposed outside；The exposed spherical surface (521) for coordinating the steel ball (52), in the main body The spherical concave surface (414) for accommodating the exposed spherical surface (521) is partly provided on (41)；When the key piece (42) is located at key When the coplanar position of key piece outer wall (424) and main part outer wall (413), the spherical concave surface (414) can guarantee steel ball (52) exposed spherical surface (521) area is maximum value；When described key piece (42) tilt rotation, the steel ball (52) by The limitation of the spherical shape concave surface (414) and inside contract, and when key piece (42) turns to inclination maximum, steel ball (52) is interior be reduced to it is naked It is at minimum value to reveal spherical surface (521) area.

2. key according to claim 1, it is characterised in that：The return spring (51) is relative to the articulated shaft (43) it is arranged in parallel.

3. key according to claim 1, it is characterised in that：The return spring (51) is relative to the articulated shaft (43) it is vertically arranged.

4. key according to claim 1, it is characterised in that：The quantity of the key piece (42) is four, four keys Piece (42) joins in the end of main part (41), and four key pieces (42) surround the square structure in a section；Its In one group of key piece (42) being oppositely arranged, return spring (51) is arranged in parallel relative to the articulated shaft (43), another The key piece (42) that group is oppositely arranged, return spring (51) are vertically arranged relative to the articulated shaft (43).

5. according to the key described in any one of claim 1-4, it is characterised in that：The front end of the key piece (42) is arranged There is inclined guide surface (426).

6. according to the key described in any one of claim 1-4, it is characterised in that：The outer surface of the main part (41) It is provided with the groove (411) for solving lock pin internal lock piece.

7. according to the key described in any one of claim 1-4, it is characterised in that：The eyelet (421) is in single key Quantity in key piece (42) is three to eight.

8. automatic reset structure, including fixed part and bottom are hinged on the movable part on the fixed part, hinged movable part Articulated shaft can be based on relative to fixed part to side tilt rotation, it is characterised in that：The bottom of the movable part is provided with reset Device, when movable part is to side tilt rotation, it is coaxial with fixed part which can drive movable part to be repositioned to movable part To position；

The resetting apparatus cooperation articulated shaft is arranged in the inside of movable part, and resetting apparatus includes return spring and steel Pearl；The return spring is in compressive state, and one end acts against in the focusing surface in movable part, and the other end acts against the steel ball On；The corresponding steel ball, offers the circular hole that diameter is slightly less than steel ball outer diameter, in the bullet of return spring in the wall surface of movable part Under force effect, the steel ball have spherical calotte it is prominent by the circular hole and it is exposed outside, coordinate the exposed spherical surface of the steel ball, in institute The spherical concave surface for accommodating the exposed spherical surface is provided on the fixed part stated；When the movable part and fixed part are coaxial, The spherical concave surface can guarantee that the exposed area of spherical surface of steel ball is maximum value；It is described when the movable part tilt rotation Steel ball limited and inside contracted by the spherical concave surface, and when movable part turns to inclination maximum, exposed ball is reduced in steel ball Face area is at minimum value.

9. automatic reset structure according to claim 8, it is characterised in that：The return spring is relative to the hinge Spindle is arranged in parallel.

10. automatic reset structure according to claim 8, it is characterised in that：The return spring is relative to described Articulated shaft is vertically arranged.