CN108798262A - A kind of key - Google Patents

Abstract

The present invention relates to key fields, disclose a kind of key, key body including key handle and for unlock, the key body includes main part and key piece, the quantity of the key piece is four, four key pieces are articulated with the end of main part and can be tilted respectively to four different lateral directions relative to main part, and the key piece and main part are separately provided for solving the first solution lock section and the second solution lock section of lock pin.For being used cooperatively with a kind of theftproof lock, there is the key of the present invention key slot of deflecting, key of the invention can be inserted into the key slot and by the first solution lock section and the second solution lock section solution lock pin 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, though become be also impossible to stir unlock deflecting backward after lock core at skewed slot, therefore prevented so-called technology unlocking, substantially increased the anti-theft performance of lockset.

Description

A kind of key

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 solves lock pin, 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, including key handle and for solving The key body of lock, the key body include main part and key piece, and the quantity of the key piece is four, four key pieces It is articulated with the end of main part and can be tilted respectively to four different lateral directions relative to main part, the key Key piece and main part are separately provided for the first solution lock section and the second solution lock section of solution lock pin.

Further, first solution lock section is the eyelet being arranged in key piece appearance, and second solution lock section is It is opened in the groove of main part appearance.

Further, the corresponding groove, offers the straight groove communicated with groove on key piece, the straight groove Front end is equipped with drainage chamfering.

Further, the returning device of the main part being internally provided with for making key piece automatically reset.

Further, the returning device includes return pin, return spring, resetting piston and return end；

The return end is arranged in the root of key piece, and reset state is at for compressing key piece root；

The return pin is arranged in the inside of main part, and external end head is fixedly connected with the return end；

The resetting piston is fixedly connected with the inner end of return pin；

It is sleeved in return pin outside the return spring, and one end holds out against resetting piston, the other end holds out against body portion thereof End face.

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 by the first solution lock section and the second solution lock section in portion Lock core；Since key slot has the characteristic of deflecting, and it is difficult the deflecting in slot that unlocking tool, which is, is also impossible to backward even if becoming The lock core at skewed slot after unlocking deflecting is stirred, therefore has prevented so-called technology unlocking, substantially increases 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 structural schematic diagram of the key of embodiment 1, and wherein key piece is in closed configuration（The figure only shows two keys Piece）；

Fig. 7 is the structural schematic diagram of the key of embodiment 1, wherein the open-shaped state of key piece（The figure only shows two keys Piece）；

Fig. 8 is the shape assumption diagram of the key of embodiment 1；

Fig. 9 is the B direction views of Fig. 8；

Figure 10 is the C direction views of Fig. 8；

Schematic diagram when Figure 11 is the key unlock theftproof lock of embodiment 1；

Figure 12 is the schematic diagram when theftproof lock of embodiment 1 is in the lock state；

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- seal end, 28- connection sheets, 29- Locking plate, 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-, The upper hoodles of 231-, 232- lower pellets, 233- hoodle springs, 261- connecting screws, 262- springs, 271- first axis through-holes, 291- protrusions, 2111- locking plate slots, 2112- locking plate spring grooves, the inclined-planes 2121- A, 2122- threaded hole, 2123- ball races A；3- handles Hand, 4- key bodies, 5- returning devices, the main part of 41- key bodies, the key piece of 42- key bodies, 51- return pins, 52- are returned Position spring, 53- resetting pistons, 54- returns end, 411- grooves, 421- eyelets, the straight grooves of 422-, 423- drain chamfering, H1- The height of locking plate accommodating 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.

Embodiment 1：

The present invention provides a kind of theftproof locks, including lock body 1 and the lock core 2 being set in the lock body 1, and the lock core 2 is relatively Have in lock body 1 and lock and unlock two states, lock core 2 can be rotated relative to lock body when positioned at unlocked state.It is set in lock core 2 It is equipped with the key slot being inserted into for key, which includes the leading portion and back segment communicated, wherein the key slot of leading portion is straight trough 24, the key slot of back segment is skewed slot 25, and the angle between skewed slot 25 and straight trough 24 is obtuse angle.The theftproof lock configures at skewed slot 25 There is the first locking member, the second locking member is configured at straight trough 24, the first locking member and the second locking member can lock Fixed or solution lock pin 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 unlock, and the key body 4 includes main part 41 and key piece 42, described The quantity of key piece 42 is four, and four key pieces 42 are articulated with the end of main part 41 and can be relative to main part 41 It is tilted respectively to four different lateral directions, the key piece 42 and main part 41 are separately provided for solution lock pin The first solution lock section and the second solution lock section.First solution lock section and the second solution lock section is respectively used to unlock above-mentioned anti-theft lock tilted The second locking member at the first locking member and straight trough 24 at slot 25.During fabrication, the first solution lock section of key need to it is upper It states the first locking member at theftproof lock skewed slot 25 to match, the second solution lock section need to be with the second locking member phase at straight trough 24 Match.

In the present embodiment, using hoodle component 23 as the first locking member at theftproof lock skewed slot 25, for the hoodle Component 23 is used as the first solution lock section in 42 appearance of the key piece setting eyelet 421 of key；Using locking plate component as theftproof lock 25 The second locking member at straight trough 24, for the locking plate component, the appearance in key body part 41 offers 411 conduct of groove Second solution lock section.

Specifically, as Figure 1-Figure 5, the lock core 2 includes 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 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 2121 for the appearance tool of the guider 22 Setting is also in crossing distribution.The skewed slot 25 described in four is formed between four inclined-planes 2121,221 as a result, wherein opposite Two skewed slots 25 it is 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 back segment In the ball race A 2123 of lock core shell 212 and the ball race B 13 of lock body 1, has and lock and unlock two states, when in lock Determining lock core shell 21 when state cannot rotate relative to lock body 1.Specifically, every group of hoodle component 23 includes five upper bullets in the present embodiment 231, five lower pellets 232 of pearl and five hoodle springs 233, the arrangement of the hoodle in every group of hoodle component 23 can have more Kind, 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 be not inserted into key When spoon (hoodle spring 233 is in the raw), lower pellet 232 is stuck between back segment lock core shell 212 and lock body 1, such as Figure 12 institutes Show, to block the rotation of lock core 2, when another kind is that the eyelet 421 of be inserted into key is mismatched with the arrangement of hoodle, key Spoon pushes up upper 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 Figure 11 Shown, the unlocked state of hoodle component is, when the arrangement of the eyelet 421 and hoodle that are inserted into key matches, in eyelet Under the action of 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, at this time The line of demarcation of upper lower pellet and the line of demarcation of back segment lock core shell 212 and lock body 1 are flush, and back segment lock core shell 212 is unlocked, just It can be rotated along the line of demarcation of upper lower pellet well.

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.When key is inserted into skewed slot 25, key can sinciput guiding dress 22 are set, guider 22 is made to be convenient for the entrance of key along 261 axial retraction of connection bolt to make 25 width of skewed slot widen, when When the eyelet of key and the arrangement of hoodle match, after key is fully inserted into, upper hoodle 231 is all directed at the hole of key Eye, the at this time meetings of inclined-plane B 221 of guider 22 hold out against the one side of key under the action of 262 elastic restoring force of spring, make The eyelet of key another side pushes upper hoodle 231 to make hoodle component 23 just at unlocked state.

In addition, the theftproof lock of the present embodiment includes four groups of locking plate components, each group locking plate component includes three locking plates 29 and three A locking plate spring 30.Locking plate 29 is frame-shaped construction, and centre has the slot that is inserted into for key, and two opposite side of slot are equipped with being used for and key Groove 411 link protrusion 291 the locking plate slot moved radially for locking plate 29 is accordingly provided 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）, for locking plate 29 in stagger arrangement distribution in locking plate slot 2111, 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 the height H2 of locking plate 29（Such as Fig. 4 and Fig. 5 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 10, the key of the present embodiment, the groove 411 on 41 surface of main part needs to coordinate above-mentioned anti- The protrusion 291 stolen 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 Each locking plate 29 is moved in locking plate slot 2111 and not evagination, to unlock leading portion lock core shell 211；The eyelet in 42 outside of key piece 421 need the arrangement for corresponding to above-mentioned hoodle to be configured, and eyelet 421 can make hoodle component 23 in the unlocked state.

Specifically, being additionally provided with returning device 5 in the main part 41 of key, the returning device is for making key piece 42 It automatically resets（Four key pieces, which are in, draws close state）, returning device 5 includes return pin 51, return spring 52, resetting piston 53 With return end 54, return pin 51 is arranged in the inside of main part 41, and return end 54 is fixed on the external end head of return pin 51 Above and at the root between four key pieces 42, resetting piston 53 is then fixed in the inner termination of return pin 51, return bullet It is sleeved in return pin 51 outside spring 52, one end holds out against resetting piston 53, and one end holds out against the end face inside main part 41.Therefore, when When not used, as shown in fig. 6, under the action of return spring 52, return pin 51 is withdrawn key, and return end 54 makes four key pieces 42 are in closed configuration, and the key piece 42 after gathering is flushed with main part 41, to store or store key；When key is inserted into When skewed slot 25, as seen in figs. 7 and 11, under the action of 22 inclined-plane B221 of guiding device, four key pieces 42 can open difference It enters in four skewed slots 25, return pin 51 is stretched out at this time, and return end 54 is jacked up by key piece 42, after key takes out, is returned Position bar 51 can be withdrawn again, and key piece 42 is made to be in rounding state again.

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 are protrusion 291, therefore the influence to prevent raised 291 pairs of key pieces 42 to be inserted on locking plate 29, matches The protrusion 291 on 29 opposite side of locking plate is closed, offers 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, drains The protrusion 291 of locking plate 29 can be introduced into straight groove 422 by chamfering 423 first, when then key continues into, raised 291 energy In the groove 411 that straight groove 422 moves to main part 41,42 energy of key piece ensure that from there through straight groove 422 is designed It is not influenced by protrusion 291, is smoothly inserted into straight trough.After protrusion 291 enters groove 411, it is further continued for being inserted into key, key piece 42 is just It is separated along skewed slot 24, while groove 411 can also drive locking plate 29 to move, final groove 411 unlocks locking plate component, eyelet 421 Hoodle component 23 is unlocked, the unlock of straight trough 24 and skewed slot 25 is respectively completed, is unlocked so that lock core shell 21 is whole, then It is rotated further by the handle 3 of key, key piece 42 will drive rotating together for lock core shell 21 and guider 22, and lock core shell 21 It is linked together by connecting screw 261 and sealing end 27, therefore seal end 27 can also rotate therewith, is finally existed Under the action of connection sheet 28, the component of lock core 2 can be rotated with the rotation of key as a whole, complete the solution of theftproof lock 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.

The theftproof lock of the present embodiment, is respectively set locking plate component and hoodle component at straight trough and skewed slot, and unlocking is to need together Shi Xiesuo locking plates component and hoodle component can unlock, therefore have extremely strong anti-theft performance, and professional unlocking staff is using current Even if tool unlocked the locking plate of straight trough after, it is also difficult to become the hoodle component for unlocking skewed slot again backward in key groove track, Moreover with multiple skewed slots, it is also necessary to while the hoodle component in each skewed slot is unlocked, this is to current technology people It can not possibly accomplish for member and tool.Therefore the theftproof lock anti-theft performance of the present invention is excellent, has fabulous market prospects, The key of the present invention is configured exclusively for the theftproof lock, and key provides one together with theftproof lock for current lockset market Kind more optimal solution, substantially increases the security performance of lockset.

Claims (5)

1. a kind of key, including key handle（3）With the key body for unlock（4）, it is characterised in that：The key body （4）Including main part（41）And key piece（42）, the key piece（42）Quantity be four, four key pieces（42）Cut with scissors It is connected to main part（41）End and can be relative to main part（41）It is tilted respectively to four different lateral directions, it is described Key piece（42）And main part（41）It is separately provided for the first solution lock section and the second solution lock section of solution lock pin.

2. a kind of key according to claim 1, it is characterised in that：First solution lock section is to be arranged in key piece （42）The eyelet of appearance（421）, second solution lock section is to be opened in main part（41）The groove of appearance（411）.

3. a kind of key according to claim 2, it is characterised in that：The corresponding groove（411）, in key piece（42） On offer and groove（411）The straight groove communicated（422）, the straight groove（422）Front end be equipped with drainage chamfering（423）.

4. a kind of key according to claim 1,2 or 3, it is characterised in that：The main part（41）Inside setting It is useful for making key piece（42）The returning device to automatically reset（5）.

5. a kind of key according to claim 4, it is characterised in that：The returning device（5）Including return pin（51）, Return spring（52）, resetting piston（53）With return end（54）；

The return end（54）It is arranged in key piece（42）Root, for compressing key piece（42）Root is at multiple Position state；

The return pin（51）It is arranged in main part（51）Inside, external end head and the return end（54）It is fixed Connection；

The resetting piston（53）With return pin（51）Inner end be fixedly connected；

The return spring（52）It is sleeved on return pin outside（51）On, and one end holds out against resetting piston（53）, the other end holds out against master Body portion（41）Internal end face.