CN207332497U - A kind of key - Google Patents

Abstract

It the utility model is related to key field, 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 key piece is one, two or three, key piece is articulated with main part and can be tilted laterally relative to main part, and the key piece and main part are separately provided for the first solution lock section and the second solution lock section of solution lock pin.The key of the utility model is used to be used cooperatively with a kind of theftproof lock, and the inside of the theftproof lock has the key slot of deflecting, and the key of the utility model can be inserted into the key slot and by the first solution lock section and the second solution lock section solution lock pin；Since key slot has the characteristic of deflecting, and it is difficult the deflecting in groove that unlocking tool, which is, even if becoming the lock core for being also impossible to stir backward after unlock deflecting at skewed slot, therefore has prevented so-called technology unlocking, has substantially increased the anti-theft performance of lockset.

Description

A kind of key

Technical field

It the utility model is related to key field.

Background technology

At present, state's internal cylinder in the market, includes 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, its anti-theft is poor, and mutual opening rate is high, technology The time is opened generally at several seconds to two minutes or so, in the numerous burglaries occurred at home, the stolen door of majority uses All it is A grades of locks.B grades of locks have double-row marble groove, 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 instrument 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, it uses double, computer, composite curve groove key, is opened without law technology within 270 minutes, but C grades of locks are 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 levels, B grades, C grades of locks, its key groove track is all straight-through, so instrument holds enters key slot very much In, then thief stirs hoodle or locking plate with skill again.In straight-through track, for experienced thief, instrument is used All it is openable, simply the problem of uncaging time length.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of key, which is used to coordinate with a kind of theftproof lock Using, 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 slot has the characteristic of deflecting so that and unlocking tool deflecting and can not extend into the innermost end of groove and unlocked in groove, from And prevent so-called technology unlocking, greatly improve the anti-theft performance of lockset.

Technical solution is used by the utility model solves its technical problem：A kind of key, including key handle and use In the key body of unlock, the key body includes main part and key piece, and the quantity of key piece is one, two or three A, key piece is articulated with main part and can be tilted laterally relative to main part, the key piece and main part It is separately provided for the first solution lock section and the second solution lock section of solution lock pin.

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

Further, the main part, which has, coordinates the molding extended surface of key piece, and the extended surface is by key The root position of piece extends to the end position of key piece, and the structure of a surrounding enclosing is formed with key piece.

Further, the corresponding groove, offers the straight groove communicated with groove, this is straight on the extended surface The front end of groove is equipped with drainage chamfering.

Further, being internally provided with for the main part is used to make the automatically reset returning device of key piece.

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

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

The return pin is arranged on the inside of main part, its external end head is fixedly connected with the return termination；

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

It is sleeved on outside the return spring in return pin, and one end holds out against resetting piston, the other end is held out against in main part The end face in portion.

The beneficial effects of the utility model are：The key of the utility model is used to be used cooperatively with a kind of theftproof lock, this is anti- Stealing the inside of lock has a key slot of deflecting, and the key of the utility model can be inserted into the key slot and by the first solution lock section and the Two solution lock section solution lock pins；Since key slot has the characteristic of deflecting, and it is difficult the deflecting in groove that unlocking tool, which is, even if becoming It is also impossible to stir the lock core at skewed slot after unlock deflecting backward, therefore has prevented so-called technology unlocking, substantially increases lock The anti-theft performance of tool.

Brief description of the drawings

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

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

Fig. 3 is the bottom view of guider in embodiment 1；

Fig. 4 is the structure diagram of the theftproof lock of embodiment 1；

Fig. 5 is the A-A of Fig. 4 to section view；

Fig. 6 is the structure diagram of the locking plate of embodiment 1；

Fig. 7 is the structure diagram of the key of embodiment 1, and wherein key piece is in closed configuration；

Fig. 8 is the structure diagram of the key of embodiment 1, wherein the open-shaped state of key piece；

Fig. 9 is the shape assumption diagram of the key of embodiment 1；

Figure 10 is the B direction views of Fig. 9；

Figure 11 is the C direction views of Fig. 9；

Schematic diagram when Figure 12 is the key unlock theftproof lock of embodiment 1；

Figure 13 is the schematic diagram when theftproof lock of embodiment 1 is in the lock state；

Figure 14 is the bottom view of guider in embodiment 2；

Figure 15 is the shape assumption diagram of lock core shell in embodiment 2；

Figure 16 is the bottom view of guider in embodiment 3；

Figure 17 is the shape assumption diagram of lock core shell in embodiment 3；

In figure mark 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 termination, 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 221- inclined-planes B, 222-, The upper hoodles of 231-, 232- lower pellets, 233- hoodle springs, 261- connecting screws, 262- springs, 271- first axis through holes, 291- is raised, 2111- locking plate grooves, 2112- locking plate spring grooves, 2121- inclined-planes 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 termination, 411- grooves, 421- eyelets, the straight grooves of 422-, 423- drainage chamferings, H1- The height of locking plate accommodating chamber, the height of H2- locking plates.

Embodiment

The utility model is described in further detail with reference to specific embodiment, but the embodiment party of the utility model Formula not limited to this.

The utility model provides a kind of theftproof lock, including lock body 1 and the lock core 2 being arranged in the lock body 1, the lock Core 2 has relative to lock body 1 locks and unlocks two states, and lock core 2 can be rotated relative to lock body when positioned at released state.Lock The key slot for key insertion is provided with core 2, which includes the leading portion and back segment communicated, wherein, the key slot of leading portion For 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 is in skewed slot 25 Place is configured with the first locking member, and the second locking member, the first locking member and the second locking member are configured with straight trough 24 It can lock or solve lock pin 2.

For above-mentioned theftproof lock, the utility model provides a kind of key, which can be used cooperatively with above-mentioned theftproof lock. The key includes key handle 3 and the key body 4 for unlock, and the key body 4 includes main part 41 and key piece 42, The quantity of key piece 42 is one, two or three, and key piece 42 is articulated with main part 41 and can be relative to main part 41 tilt laterally, and the key piece 42 and main part 41 are separately provided for the first solution lock section and the of solution lock pin Two solution lock sections.First solution lock section and the second solution lock section is respectively used to unlock the first locking at above-mentioned theftproof lock skewed slot 25 The second locking member at component and straight trough 24.During fabrication, the first solution lock section of key need to at above-mentioned theftproof lock skewed slot 25 The first locking member match, the second solution lock section need to match with the second locking member at straight trough 24.

In the utility model, using hoodle component 23 as the first locking member at theftproof lock skewed slot 25, for the bullet Pearl component 23, sets eyelet 421 to be used as the first solution lock section in 42 appearance of key piece of key；Using locking plate component as theftproof lock The second locking member at 25 straight troughs 24, for the locking plate component, the appearance in key body part 41 offers groove 411 and makees For the second solution lock section.

Embodiment 1 (key piece of key is two, and the skewed slot of theftproof lock is two)：

As shown in figs 1 to 6, the lock core 2 includes lock core shell 21, guider 22 and sealing termination 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 The inside of lock core shell 212 has two inclined-plane A 2121, and as depicted in figs. 1 and 2, two inclined-plane A 2121 are distributed in linear type；

There is the appearance of the guider 22 the inclined-plane B 221 of two protrusions, inclined-plane B 221 to coordinate the inclined-plane A 2121 are set, and are also distributed in linear type.Thus, the skewed slot 25 described in two is formed between two inclined-planes 2121,221, and Two skewed slots 25 are in the shape of the letter V；

The hoodle component 23 is two groups, corresponds to two 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, have 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 Upper 231, five lower pellets 232 of hoodle and five hoodle springs 233, the arrangement of the hoodle in every group of hoodle component 23 can be with Have a variety of, i.e., the spacing of each hoodle, position can arbitrarily be arranged；The lock-out state of hoodle component has two kinds of situations, and one kind is not slotting 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 13, so as to block the rotation of lock core 2, another kind is 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 11, the released 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 at respectively 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 of upper lower pellet and the line of demarcation of back segment lock core shell 212 and lock body 1 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 termination 27 is used for the internal part for sealing lock core 2, it is concave inward structure, is arranged on 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 Elastic parts 26 is also configured with 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 termination 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 Outside 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 termination 27.When key is inserted into skewed slot 25, key can sinciput guiding dress 22 are put, makes guider 22 along the axial retraction of connection bolt 261, so that 25 width of skewed slot is widened, easy to the entrance of key, when When the eyelet of key and the arrangement of hoodle match, after key is fully-inserted, 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 promotes upper hoodle 231 to make hoodle component 23 just at released state.In above-mentioned, guider 22 Due to allow bit space to the extended surface 412 of key is reserved, hole or short slot 223 are equipped with the middle part of guider 22, So that extended surface 412 extends there through, it is avoided to stop the insertion of key, as shown in Figure 3.

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 a groove for key insertion, and two opposite side of groove, which are equipped with, to be used for and key Groove 411 link protrusion 291, accordingly, the locking plate groove moved radially for locking plate 29 is provided with leading portion lock core shell 211 2111, described 30 one end of locking plate spring is installed on locking plate 29, and the other end is installed on the locking plate spring groove on the side of locking plate groove 2111 On 2112, meanwhile, locking plate accommodating chamber 12 is equipped with 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 is in that stagger arrangement is distributed in locking plate groove 2111, and locking plate 29 is convex from the both sides of locking plate groove 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. 5 and Fig. 6 It is shown）, rotation of the locking plate 29 around axis can be limited after locking plate 29 enters accommodating chamber, so as 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 groove 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 an entirety relative to lock body 1, it is fixed with and cuts on sealing termination 27 Face is the connection sheet 28 of L-shaped, and connection sheet 28 is buckled on the boss structure 11 of 1 outer wall of lock body again after fixing, due to sealing termination 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 being drawn over to one's side as an entirety, 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. 7-Figure 11, the key of the present embodiment, the quantity of key piece 42 is two, in order to play protection return dress 5 effect is put, the main part 41, which has, coordinates the molding extended surface 412 of key piece 42, as shown in figure 9, this prolongs It is preferably to be integrally formed with main part 41 to stretch face 412, and extended surface 412 extends to key piece 42 by the root position of key piece 42 End position, form the structure that surrounding encloses with key piece 42, thus, after key piece 42 collapses, surrounding enclosing Structure can not only play the role of protecting returning device 5, and shape is also more beautiful, and certain extended surface 412 is alternatively independent Component, is flexibly connected or is fixedly connected in main part 41, can form the structure of surrounding enclosing, plays protection returning device 5 Effect.Groove 411 on 41 surface of main part needs to coordinate the protrusion 291 on above-mentioned theftproof lock locking plate 29 to be opened If when key is inserted into the straight trough 24 of above-mentioned theftproof lock, groove 411 can drive each locking plate 29 be moved in locking plate groove 2111 and Not evagination, so as to unlock leading portion lock core shell 211.The eyelet 421 in the outside of key piece 42 needs to correspond to the arrangement of above-mentioned hoodle It is configured, eyelet 421 can make the hoodle component 23 in the unlocked state.The corresponding groove 411, prolongs in described The straight groove 422 for offering on face 412 and being communicated with groove 411 is stretched, the front end of the straight groove 422 is equipped with drainage chamfering 423, so that When being inserted into straight trough 24, the protrusion 291 of locking plate 29 can be incorporated into straight groove 422 key piece 42 by drainage chamfering 423 first, so When key continues into afterwards, protrusion 291 can be in the groove 411 that straight groove 422 moves to main part 41, from there through design Straight groove 422 ensure that key piece 42 can smoothly be inserted into straight trough from the influence of protrusion 291.After protrusion 291 enters groove 411, Insertion key is further continued for, key piece 42 is just separated along skewed slot 24, while groove 411 also can drive locking plate 29 to move, final ditch Groove 411 unlocks locking plate component, and eyelet 421 unlocks hoodle component 23, is respectively completed the unlock of straight trough 24 and skewed slot 25, so that Lock core shell 21 is overall to be unlocked, and is then rotated further by the handle 3 of key, key piece 42 will drive lock core shell 21 and guider 22 rotation together, and lock core shell 21 is connected as a single entity by connecting screw 261 with sealing termination 27, therefore seal termination 27 can also rotate therewith, and finally under the action of connection sheet 28, the component of lock core 2 can turn as an entirety with key Move and rotate, complete 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 on Seal on termination 27 or at other rational positions, can guarantee that can rotate with lock core 2.

To allow key piece 42 to automatically reset（Two key pieces, which are in, draws close state）, in the main part 41 of key Returning device 5 is inside additionally provided with, returning device 5 includes return pin 51, return spring 52, resetting piston 53 and return termination 54, Return pin 51 is arranged on the inside of main part 41, and return termination 54 is fixed on the external end head of return pin 51 and is located at two keys At root between key piece 42, resetting piston 53 is then fixed in the inner termination of return pin 51, and return is sleeved on outside return spring 52 On bar 51, one end holds out against resetting piston 53, and one end holds out against the end face inside main part 41.Therefore, when key when not used, such as scheme Shown in 7, under the action of return spring 52, return pin 51 is withdrawn, and return termination 54 is in two key pieces 42 and closes up shape State, the key piece 42 after gathering are flushed with main part 41, to store or store key；When key is inserted into skewed slot 25, such as Shown in Fig. 8 and Figure 12, under the action of 22 inclined-plane B221 of guiding device, two key pieces 42, which can open, has respectively entered two tiltedly In groove 25, return pin 51 is stretched out at this time, and return termination 54 is jacked up by key piece 42, and after key takes out, return pin 51 can be received again Return, make key piece 42 and be in rounding state.

Embodiment 2（The key piece of key is one, and the skewed slot of theftproof lock is one）：

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 one.

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

On lock core, quantity of the inside with inclined-plane A 2121 of back segment lock core shell 212 is one, as shown in figure 15；It is right Answer, it is also one that the appearance of guider 22, which has the quantity of the inclined-plane B 221 of protrusion, as shown in figure 14；Thus, on inclined-plane Between formed one described in skewed slot；Certainly, the quantity of hoodle component is also just one group, and the corresponding skewed slot is set.

On key, the quantity of key piece is one, and the extended surface of main part is three, and three extended surfaces are integrally formed In main part, extended surface is extended to the end position of key piece by the root position of key piece, and one is formed with key piece The structure that surrounding encloses.Certainly, straight groove and drainage chamfering are equally offered on extended surface, its function is same as Example 1. The present embodiment key, since its structure is more similar to embodiment 1, does not enumerate brief description of the drawings individually herein.

In above-mentioned, guider 22 is due to that will allow bit space to the extended surface 412 of key is reserved, in guider 22 Middle part be again provided with hole or short slot 223, so that extended surface 412 extends there through, avoid its stop key insertion, such as Figure 14 Shown, short slot 223 is in concave shape.

Embodiment 3（The key piece of key is three, and the skewed slot of theftproof lock is three）：

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 three.

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

On lock core, quantity of the inside with inclined-plane A 2121 of back segment lock core shell 212 is three, as shown in figure 17；It is right Answer, it is also three that the appearance of guider 22, which has the quantity of the inclined-plane B 221 of protrusion, as shown in figure 16；Thus, on inclined-plane 2121st, the skewed slot 25 described in three is formed between 221；Certainly, the quantity of hoodle component 23 is also just three groups, the corresponding skewed slot 25 Set.

On key, the quantity of key piece is three, and the extended surface of main part is one, which is integrally formed In main part, extended surface is extended to the end position of key piece by the root position of key piece, and one four is formed with key piece The structure that surrounding is closed.Certainly, straight groove and drainage chamfering are also offered on extended surface, its function is same as Example 1.This reality A key is applied, since its structure is more similar to embodiment 1, does not enumerate brief description of the drawings individually herein.

In above-mentioned, guider 22 is due to that will allow bit space to the extended surface 412 of key is reserved, in guider 22 Middle part be again provided with hole or short slot 223, so that extended surface 412 extends there through, avoid its stop key insertion, such as Figure 16 It is shown.

The theftproof lock of the present embodiment, sets locking plate component and hoodle component respectively 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 instrument 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 in the case of 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 instrument.Therefore the theftproof lock anti-theft performance of the utility model is excellent, has fabulous market Prospect, the key of the utility model are configured exclusively for the theftproof lock, and key is current lockset city together with theftproof lock Field provides a kind of more preferably scheme, substantially increases the security performance of lockset.

Claims (6)

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）, key piece（42）Quantity be one, two or three, key piece（42） It is articulated with main part（41）Above and can be relative to main part（41）Tilt laterally, the key piece（42）And main part Point（41）It is separately provided for the first solution lock section and the second solution lock section of solution lock pin.

A kind of 2. key according to claim 1, it is characterised in that：First solution lock section is to be arranged on 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）.

A kind of 3. key according to claim 2, it is characterised in that：The main part（41）With the cooperation key Key piece（42）Molding extended surface（412）, the extended surface（412）By key piece（42）Root position extend to key piece（42） End position, with key piece（42）Form the structure that a surrounding encloses.

A kind of 4. key according to claim 3, it is characterised in that：The corresponding groove（411）, in the extension Face（412）On offer and groove（411）The straight groove communicated（422）, the straight groove（422）Front end be equipped with drainage chamfering （423）.

A kind of 5. key according to any one in claim 1-4, it is characterised in that：The main part（41）It is interior Portion is provided with for making key piece（42）Automatically reset returning device（5）.

A kind of 6. key according to claim 5, it is characterised in that：The returning device（5）Including return pin（51）、 Return spring（52）, resetting piston（53）With return termination（54）；

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

The return pin（51）It is arranged on main part（41）Inside, its external end head and the return termination（54）It is fixed Connection；

The resetting piston（53）With return pin（51）The inner 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.