CN108798263A - A kind of key - Google Patents
A kind of key Download PDFInfo
- Publication number
- CN108798263A CN108798263A CN201710430352.4A CN201710430352A CN108798263A CN 108798263 A CN108798263 A CN 108798263A CN 201710430352 A CN201710430352 A CN 201710430352A CN 108798263 A CN108798263 A CN 108798263A
- Authority
- CN
- China
- Prior art keywords
- key
- main part
- piece
- lock
- key piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/14—Double or multiple keys, e.g. with two or more bows or bits
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/02—Locks for use with special keys or a plurality of keys ; keys therefor which can be shifted laterally or rotated about an axis perpendicular to the key axis
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- Lock And Its Accessories (AREA)
Abstract
The present invention relates to key fields, disclose a kind of key, including key handle(3)With the key body for unlock(4), the key body(4)Including main part(41)And key piece(42), the key piece(42)Quantity be at least one, key piece(42)It is articulated with main part(41)It above and can be relative to main part(41)It tilts outward, key piece(42)On be provided with the first solution lock section for solving lock pin.The key of the present invention with a kind of theftproof lock for being used cooperatively, the inside of the theftproof lock has the key slot of deflecting, due to the deflecting of key slot so that unlocking tool deflecting can not be deep into the innermost end of key slot in slot, to prevent so-called technology unlocking, the anti-theft performance of lockset is greatly improved.
Description
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, 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 at least one, key piece
It is articulated in main part and can outward be tilted relative to main part, first for solving lock pin is provided on key piece
Solution lock section.
First solution lock section is the eyelet being arranged in key piece appearance.
Preferably, the quantity of the key piece be four, four key pieces be articulated with the end of the main part and
It can be tilted respectively to four different lateral directions relative to main part.
It is another preferably, the quantity of the key piece is one, two or three.
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 that a surrounding encloses is formed with key piece.
Preferably, 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.
Preferably, the main part is provided with the second solution lock section for solving lock pin.
Further, second solution lock section is to be opened in the groove on main part surface.
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 prevented so-called technology unlocking, substantially increase 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;
Figure 13 is the shape assumption diagram of the lock core shell of theftproof lock and guider in embodiment 2;
Figure 14 is the shape assumption diagram of key in embodiment 2;
Figure 15 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- 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-,
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, 5- returning devices, the main part of 41- key bodies, the key piece of 42- key bodies, 51- returns
Bar, 52- return springs, 53- resetting pistons, 54- returns end, 411- grooves, 412- extended surfaces, 421- eyelets, 422- are directly recessed
Slot, 423- drain chamfering, the height of H1- locking plate accommodating chambers, 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.
Present embodiments provide for a kind of theftproof locks, including lock body 1 and the lock core 2 being set 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 unlocked state.Lock
The key slot being inserted into for key is provided in core 2, which includes the leading portion and back segment communicated, wherein the key slot of leading portion
Key slot for straight trough 24, 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, 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 unlock, and the key body 4 includes main part 41 and key piece 42, described
The quantity of key piece 42 is at least one, and key piece 42 is articulated in main part 41 and can be relative to main part 41 outward
It tilts, the first solution lock section for solving lock pin is provided on key piece 42.In the present embodiment, which is to be used for
Unlock the first locking member at above-mentioned theftproof lock skewed slot 25, therefore during fabrication, the first solution lock section of key need to it is above-mentioned
The first locking member at theftproof lock skewed slot 25 matches.
Present embodiment uses hoodle component 23 as the first locking member at theftproof lock skewed slot 25, for the hoodle group
Part 23 is used as the first solution lock section in 42 appearance of the key piece setting eyelet 421 of key.
In order to improve the anti-theft performance of theftproof lock, it is also configured with the second locking member at the straight trough 24 of theftproof lock, for
Second locking member is provided with the second solution lock section for unlocking the second locking member in the main part 41 of key.This reality
Mode is applied using locking plate component as the second locking member at 25 straight trough 24 of theftproof lock, for the locking plate component, in key master
The surface of body portion offers groove 411 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 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 present embodiment includes four groups of locking plate components, each group locking plate component includes three locking plates 29 and three locking plate bullets
Spring 30, locking plate 29 are frame-shaped construction, and there is the slot being inserted into for key, two opposite side of slot to be equipped with for the groove with key for centre
The protrusion 291 of 411 linkages is accordingly provided with the locking plate slot 2111 moved radially for locking plate 29 on leading portion lock core shell 211,
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 2112 on 2111 side of locking plate slot
On, 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(It does not insert
When entering key), in stagger arrangement distribution in locking plate slot 2111, locking plate 29 is protruded from the both sides of locking plate slot 2111 respectively to be entered locking plate 29
Into 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(As shown in Figure 4 and Figure 5),
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 body 1
Rotation, only when the groove for being inserted into key is adapted with the protrusion 291 on locking plate 29, key can just drive all locking plates 29 to move
And both sides interior to locking plate slot 2111 not evagination is moved, 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;It is arranged in 41 end of main part
The quantity of key piece 42 be four, the eyelet 421 of 42 appearance of key piece needs the arrangement for corresponding to above-mentioned hoodle to be set
It sets, eyelet 421 can make hoodle component 23 in the unlocked state.
Specifically, four key pieces 42 are hinged on the end of key body part 41;In the main part 41 of key
It is additionally provided with returning device 5, the returning device is for making key piece 42 automatically reset(Four key pieces, which are in, draws close state), return
Position device 5 includes return pin 51, return spring 52, resetting piston 53 and return end 54, and return pin 51 is arranged in main part
41 inside, return end 54 are fixed at the root on the external end head of return pin 51 and between four key pieces 42, are returned
Position piston 53 is then fixed in the inner termination of return pin 51, is sleeved in return pin 51 outside return spring 52, and one end holds out against return work
Plug 53, one end holds out against the end face inside main part 41.Therefore, when key when not used, as shown in fig. 6, in return spring 52
Under effect, return pin 51 is withdrawn, and return end 54 makes four key pieces 42 be in closed configuration, the key piece 42 after gathering and master
Body portion 41 flushes, to store or store key;When key is inserted into skewed slot 25, as seen in figs. 7 and 11, in guiding device
Under the action of 22 inclined-plane B221, four key pieces 42, which can open, to be had respectively entered in four skewed slots 25, and return pin 51 is stretched out at this time,
Return end 54 is jacked up by key piece 42, and after key takes out, return pin 51 can be withdrawn again, makes key piece 42 again in gathering shape
State.
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.
Embodiment 2:
The present embodiment is roughly the same with the technical solution of embodiment 1, and main distinction point is, the number of the present embodiment theftproof lock skewed slot
Amount is 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, and as shown in figure 13, two tiltedly
Face 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,
Also it is in that linear type is distributed;The skewed slot 25 described in two is formed between two inclined-planes 2121,221 as a result, and two skewed slots 25 are in
V-arrangement;Certainly, the quantity of hoodle component 23 is also just two groups, corresponds to two skewed slots 25 respectively and is arranged.
About key, the quantity of key piece 42 is two, in order to play the role of protecting returning device 5, the main body
Part 41, which has, coordinates the 42 molding extended surface 412 of key piece, which is integrally formed in main part 41,
Extended surface 412 is extended to the end position of key piece 42 by the root position of key piece 42, and a surrounding is formed with key piece 42
The structure of enclosing.As a result, after key piece 42 collapses, as shown in figure 14, the structure that surrounding encloses can not only play protection return
The effect of device 5, and shape is also more beautiful.Certainly, straight groove 422 is equally offered on extended surface 412 and drainage is fallen
Angle 423, function is same as Example 1.
Among the above, due to there is the presence of extended surface 412, after key is inserted into, guider 22 needs to keep for extended surface
412 spaces stepped down, therefore it is equipped with hole or short slot 223 at 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 15.
It should be noted, the quantity of skewed slot is not limited to four or two, and selection four or two skewed slots are above-mentioned reality
Two kinds of preferred embodiments that example is enumerated are applied, certainly, skewed slot may be one, three or more.It is corresponding, the number of key piece
Amount or one, three or more.About key piece be one, three or more when, the concrete structure of key
It is similar to the aforementioned embodiment, therefore embodiment is no longer individually enumerated, it should be noted that, in order to protect returning device, main part
It need to coordinate the quantity of key piece that corresponding extended surface is set.
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 the bullet for unlocking skewed slot again backward in key groove track
Pearl 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
It can not possibly accomplish for technical staff and tool.Therefore the theftproof lock anti-theft performance of the present invention is excellent, has fabulous city
Field foreground, key of the invention is configured exclusively for the theftproof lock, and key is current lockset market together with theftproof lock
A kind of more optimal solution is provided, the security performance of lockset is substantially increased.
Claims (9)
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 at least one, key piece(42)It is hinged
In main part(41)It above and can be relative to main part(41)It tilts outward, key piece(42)On be provided with for unlock lock
First solution lock section of core.
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).
3. a kind of key according to claim 2, it is characterised in that:The key piece(42)Quantity be four, four
Key piece(42)It is articulated with the main part(41)End and can be relative to main part(41)Respectively to four differences
Lateral direction tilt.
4. a kind of key according to claim 2, it is characterised in that:The key piece(42)Quantity be one, two
Or three.
5. a kind of key according to claim 4, 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.
6. a kind of key according to claim 1, it is characterised in that:The main part(41)Be internally provided with and be used for
Make key piece(42)The returning device to automatically reset(5).
7. a kind of key according to claim 6, 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.
8. a kind of key according to claim 1, it is characterised in that:The main part(41)It is provided with for unlocking
Second solution lock section of lock core.
9. a kind of key according to claim 8, it is characterised in that:Second solution lock section is to be opened in main part
(41)The groove on surface(411).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710430352.4A CN108798263B (en) | 2017-06-09 | 2017-06-09 | Key with a key holder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710430352.4A CN108798263B (en) | 2017-06-09 | 2017-06-09 | Key with a key holder |
Publications (2)
Publication Number | Publication Date |
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CN108798263A true CN108798263A (en) | 2018-11-13 |
CN108798263B CN108798263B (en) | 2023-06-06 |
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ID=64094393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710430352.4A Active CN108798263B (en) | 2017-06-09 | 2017-06-09 | Key with a key holder |
Country Status (1)
Country | Link |
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CN (1) | CN108798263B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000177957A (en) * | 1998-12-17 | 2000-06-27 | Hitachi Building Systems Co Ltd | External release key for elevator |
CN201011205Y (en) * | 2006-12-06 | 2008-01-23 | 许伟良 | Spring rear-mounted mechanical lock and key |
CN103216157A (en) * | 2013-04-03 | 2013-07-24 | 宋玉卿 | Anti-theft lock required to be unlocked by virtue of multiple keys simultaneously |
-
2017
- 2017-06-09 CN CN201710430352.4A patent/CN108798263B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000177957A (en) * | 1998-12-17 | 2000-06-27 | Hitachi Building Systems Co Ltd | External release key for elevator |
CN201011205Y (en) * | 2006-12-06 | 2008-01-23 | 许伟良 | Spring rear-mounted mechanical lock and key |
CN103216157A (en) * | 2013-04-03 | 2013-07-24 | 宋玉卿 | Anti-theft lock required to be unlocked by virtue of multiple keys simultaneously |
Also Published As
Publication number | Publication date |
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CN108798263B (en) | 2023-06-06 |
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