CN105239837B - A kind of safety door latch and key - Google Patents
A kind of safety door latch and key Download PDFInfo
- Publication number
- CN105239837B CN105239837B CN201510729880.0A CN201510729880A CN105239837B CN 105239837 B CN105239837 B CN 105239837B CN 201510729880 A CN201510729880 A CN 201510729880A CN 105239837 B CN105239837 B CN 105239837B
- Authority
- CN
- China
- Prior art keywords
- lock core
- key
- groove
- lock
- keyhole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention provides a kind of safety door latch and key, lock core chip center is provided with keyhole, the bullet groove combination of the semi-cylindrical of the adjacent lock core chip of each two forms the bullet groove of one group of complete cylinder, with the rotation of lock core chip, the bullet groove of each group cylinder is corresponding with the pellet through hole of radial direction at the top of lock core shell respectively.Alignment pin is equipped with dowel hole on lock core seal bottom and lock core shell, lock core shell is connected firmly with lock core seal bottom together with.The keyhole inner face both sides at lock core seal bottom are arranged with two back cover convex keys, can be engaged with the key bit keyway of key.The cochlear groove of key coordinates all the time with the dead bolt in keyhole during unlocking, and the curve shape for the cochlear groove that every pair of key coordinates with lock core chip differs, so that it is guaranteed that a key can only drive a lock, security is good.
Description
Technical field
The present invention relates to lockset, more particularly to the door lock and key that two sides is unlocked.
Background technology
Domestic offices room and the door lock used in home dwelling at present, usually install tapered end additional among lock core, middle tapered end connects
The lock core on both sides is connect, lock core end socket is located at two sides end face, is opened with key from two sides, locking, lock core structure is in lock core shell
Multiple lock core chips are set, lock core chip is the rectangular dies be arrangeding in parallel, it is individual it is other also have a special-shaped I-shaped cake core, set above chip
There is bullet groove, corresponding with the marble bin of top, in the groove that lock core chip is dropped down onto under the list in marble bin, each lock core chip is set
One bullet groove, can accommodate pellet completely；The cochlear of key is mostly straight plate shape, is provided with the teeth groove of bending, can be with lock core
The spacer of piece matches.Key inserts the keyhole of lock core, lock core seal bottom of going directly, can rotate lock core chip, opens lock core with
Between tapered end.In order to prevent destroying, anti-drill pin is provided with lock core end socket.Putting in order for this lock core chip is limited, unlocks
Shi Bixu aligns the keyway of all lock core chips, could complete unlocking action.Above-mentioned lock core structure in the market is present
Following deficiency：Lock core combination change is insufficient, easily repeats, it sometimes appear that a key opens the phenomenon of more locks；Security
Not enough, easily pried open or disclosed out by hardness in other ways.Door lock is that urban and rural residents' self-housing or the important of office occupancy prevent
Facility is stolen, market is extremely wide.Important role, be protect family's property and public property safely, the weight that maintains social stability
Want means, novel protective measure emerges in an endless stream, but cracks the technology of lock core simultaneously and instrument is also constantly changing, how reinforced door
The security insurance performance of lock, it is ensured that not by the TO outside itself key, turn into protection family's property safety, safeguard society
Stable important leverage measure, and the research direction and research topic that the parties concerned pay close attention to.
The content of the invention
The purpose of the present invention, is just to provide a kind of easy to install, door lock and key securely, and enhancing is unlocked difficult
Degree, improve safety coefficient, it is ensured that not by other keys and TO outside itself key, be effectively protected residential households wealth
Production and the safety of public property, eliminate unsafe factor, improve economic and social benefits.
The task of the present invention is so completed：Design and produce a kind of safety door latch and key, including lock tube, marble bin,
Lock core shell, lock core chip, lock core seal bottom, spring, determine pellet, move son, shift fork, key, center is provided with circle if lock core chip is dry plate
The circular sheet metal of shape keyhole, keyhole upper limb are provided with inwardly projecting dead bolt, and lock core chip circumferential edges optional position is provided with one
The bullet groove of individual shape and sub- radius identical semi-cylindrical of moving, the semicircle bullet groove of the adjacent lock core chip of each two form one group
The complete circular bullet groove combination of dynamic billiards diameter can be accommodated, the combination of several lock core chips is sleeved in lock core shell side by side, respectively
The bullet groove combination of each group diverse location may make up to the circumferential edges of lock core chip combination, with the rotation of lock core chip, each group bullet
Pilot trench combination is corresponding with the pellet through hole of radial direction at the top of lock core shell respectively；Lock core seal bottom is sleeved on lock core shell the inner, lock core seal
The dowel hole of radial direction is uniformly opened up on the periphery at bottom, it is corresponding with the dowel hole opened up on lock core shell, in dowel hole
Equipped alignment pin, lock core shell is connected firmly with lock core seal bottom together with.It is convex that the keyhole inner face at lock core seal bottom is arranged with two back covers
Key, the key shank of key is cylinder, and top is provided with cochlear groove, and key shank front end both sides are symmetrically provided with the key bit keyway of two axial directions,
It can be engaged with back cover convex key set in the keyhole of lock core seal bottom；The two sides of the lock core shell of lock core seal bottom back are provided with radially right
Key active mounting is dialled in dowel hole in the dowel hole of title, the interior movable shifting block for being provided with band and dialling key of lock core shell, movable shifting block both sides,
Movable shifting block can coordinate with the shift fork collar set in the shift fork installation slotted eye among lock tube to be set with, and key is dialled in movable shifting block both sides
The baffle ring groove that the inner ring rib both sides in endoporus are covered with shift fork is equipped with.Lock core shell placed on top is axially uniformly provided with several radially
Pellet mounting hole, its diameter matches with determining pellet, and its quantity and position are corresponding with the magazine hole in lock tube and marble bin.
The dowel hole of radial direction on lock core seal bottom is manhole, and two or more, lock is uniformly arranged on the periphery of lock core seal bottom
Same dowel hole is provided with the lock core shell of core back cover periphery suit, the dowel hole phase of its quantity and position and lock core seal bottom
It is corresponding, alignment pin is equipped with the dowel hole on lock core shell and lock core seal bottom, lock core seal bottom and lock core shell are fixedly connected.Key
The top surface of key bit end is the concave crown face less than the external disc of key cylinder, and concave crown face both sides are from key bit end to key shank the inner side
Extend to shrinking, the inner of concave crown face and key shank junction is provided with the notch of cochlear groove, cylindrical key shank of the cochlear groove in key
On direction extension is curled up to spoon, the dead bolt in the width and depth of cochlear groove and the keyhole of lock core chip matches, spoon during unlocking
Shape groove coordinates all the time with the dead bolt in keyhole；The curve shape of the cochlear groove pellet groove location phase different from each lock core chip
Match somebody with somebody, the keyhole that the key bit of key there can be back cover convex key with lock core seal tail band is equipped with.
During actual installation, the present invention is installed in Wood door side, is engaged with the necking on doorframe.Spoon is inserted with key
Hole, in the cochlear groove in dead bolt insertion key shank on keyhole, rotate key and drive lock core chip to rotate, when the bullet groove on lock core chip
When turning to below marble bin, the son of moving in marble bin is fallen into the bullet groove on lock core chip, you can rotates lock core chip；Key
In the lock core hole at the key bit insertion lock core seal bottom of front end, the back cover of the keyway and lock core hole inner face of the key bit part both sides of key is convex
Key coordinates, and key bit pushes movable shifting block, and movable shifting block is embedded in the shift fork collar, blocked by inner ring rib, dialling on movable shifting block
In the baffle ring groove of key insertion inner ring rib.Key turns, drive activity shifting block rotate, and when rotating forward, shift fork outwards produces, can
To pin lockset, locking door；During reverse rotation, shift fork is inwardly gone back to, and can unclamp lockset, opens door.Each lock core chip
Draw up mode and the key of bullet groove combined with the fit system of lock core chip can whether there is any of several arrangements, every pair of key cylinder shape
The curve shape of the cochlear groove coordinated in key shank with lock core chip is all different, so that it is guaranteed that a key can only drive a lock, no
Coincidence occurs.Except non-fully damage lock tool or timber, the key otherwise not matched therewith is not opened door lock at all, it is ensured that
Door safety.
Manufactured experimently, implemented according to above-mentioned technical proposal, it was demonstrated that of the invention is reasonable in design, and security is good, can be effective
Protect door not by other keys or TO outside this lock key, eliminate unsafe factor, be effectively protected resident
The safety of family's property and public property, positive facilitation is played for maintaining social stability, economic and social benefits are good, should
It is wide with scope, admirably achieve predetermined purpose.
Brief description of the drawings
Fig. 1 is the lock tube 4 and the separate state diagram of shift fork 6 of the present invention；
Fig. 2 is Fig. 1 A direction views；
Fig. 3 is the outline structural diagram of the lock core shell 2 in Fig. 1；
Fig. 4 is Fig. 3 N to structural representation；
Fig. 5 is Fig. 2 B to H-H cross-sectional views；
Fig. 6 is Fig. 5 P to E-E cross-sectional views；
Fig. 7 is Fig. 5 P to F-F cross-sectional views；
Fig. 8 is the partial sectional view that structure shown in Fig. 5 coordinates unlocking condition with key 14；
Fig. 9 is the structural representation of the key 14 of the present invention.
In figure, 1-lock core chip, 2-lock core shell, 3-marble bin, 4-lock tube, 5-movable shifting block, 6-shift fork, 7-dial
Pitch the collar, 8-inner ring rib, 9-son of moving, 10-spring, 11-determine pellet, 12-lock core seal bottom, 13-alignment pin, 14-
Key；A-line of vision symbol, B-line of vision symbol, C-baffle ring groove, D-keyhole, E-section symbols, F-section symbols, G-dial
Pitch installation slotted eye, H-section symbols, J-group key, K-shift fork set endoporus, M-pellet mounting hole, N-line of vision symbol, P-regard
To symbol, Q-dowel hole, R-dead bolt, S-cochlear groove, T-back cover convex key, U-pellet through hole, V-concave crown face, W-pellet
Groove, X-dowel hole, Y-key bit keyway.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 8, the present invention includes lock tube 4, marble bin 3, lock core shell 2, lock core
Back cover 12, lock core chip 1, determine pellet 11, son 9 of moving, spring 10, shift fork 6, key 14 combine, if lock core chip 1 is in dry plate
The heart is provided with circular keyhole D circular sheet metal, and keyhole D upper limbs are provided with inwardly projecting dead bolt R, and the circumferential edges of lock core chip 1 are appointed
Meaning position is provided with the semicircular bullet groove W of sub 9 radiuses that are shaped as moving, the adjacent lock core chip 1 of each two it is semicircular
Bullet groove W combinations form a complete circular bullet groove W that can accommodate sub 9 diameters of moving, and several lock core chips 1 combine side by side
It is sleeved in lock core shell 2, the circumferential edges that each lock core chip 1 combines may make up the complete bullet groove W of multiple diverse locations, with
The rotation of lock core chip 1, complete bullet groove W is corresponding with the pellet through hole U of the top radial direction of lock core shell 2 respectively.Lock core seal bottom
The two sides of the lock core shell 2 of 12 back are symmetrically provided with the dowel hole Q of radial direction, and band is provided with the lock core shell 2 at the rear portion of lock core seal bottom 12
Key J movable shifting block 5 is dialled, movable shifting block 5 dials key J active mountings in dowel hole Q, and movable shifting block 5 can be with the centre of lock tube 4
The shift fork collar 7 of setting is engaged in shift fork installation slotted eye G, and dialling for the movable both sides of shifting block 5 is interior in key J and shift fork set endoporus K
The baffle ring groove C of ring rib 8 is equipped with.The placed on top of lock core shell 2 is axially uniformly provided with the pellet through hole U of several radial directions, its diameter
Match with determining pellet 11, its quantity and position are corresponding with the pellet mounting hole M in lock tube 4 and marble bin 3.Lock core seal bottom 12
Keyhole D inner faces be arranged with two back cover convex key T, the key bit front end of key 14 can carry back cover convex key with lock core seal bottom 12
T keyhole D is equipped with.Key bit pushes movable shifting block 5, and movable shifting block 5 is embedded in the shift fork collar 7, blocked by inner ring rib 8, activity
In the baffle ring groove C for dialling key J insertion inner ring rib 8 on shifting block 5.Key 14 rotates, and drive activity shifting block 5 rotates, and rotates forward
When, shift fork 6 outwards produces, and can pin lockset, locking door；During reverse rotation, shift fork 6 is inwardly gone back to, and can unclamp lockset,
Open door.The bullet groove W of each lock core chip 1 fit system for drawing up mode and key 14 and lock core chip 1, can have countless
Kind permutation and combination.
Refering to Fig. 7, lock core seal bottom 12 is sleeved on the inner of lock core shell 2, is uniformly opened up radially on the periphery at lock core seal bottom 12
Dowel hole X, the dowel hole X of the radial direction on lock core seal bottom 12 is corresponding with the dowel hole X opened up on lock core shell 2, fixed
Be equipped with alignment pin 13 in the pin-and-hole X of position, lock core shell 2 is connected firmly with lock core seal bottom 12 together with.
Refering to Fig. 9, the key shank of key 14 is cylinder, and top is provided with cochlear groove S, and key shank front part sides are symmetrically provided with two
Axially horizontal key bit keyway Y, it can coordinate with back cover convex key T-phase set in the keyhole D of lock core seal bottom 12.The top of the key bit of key 14
Face is the concave crown face V less than the cylinder external diameter disc of key 14, and from key bit, the extreme direction contraction into key shank is prolonged on concave crown face V both sides
Stretch, angle inner concave crown face V is 90~120 degree, and concave crown face V the inner and key shank junction are provided with cochlear groove S notch, spoon
Shape groove S curls up direction extension to spoon in the cylindrical key shank of key 14, cochlear groove S width and depth and lock core chip 1
Dead bolt R in keyhole D matches, and dead bolt R during unlocking in cochlear groove S and keyhole D coordinates all the time, cochlear groove S curve shape
The bullet groove W positions different from each lock core chip 1 match.The key bit front end of key 14 can be with lock core seal bottom 12 with envelope
Bottom convex key T keyhole D is equipped with.
During actual installation, the present invention is installed in Wood door side, is engaged with the necking on doorframe.Spoon is inserted with key 14
In the cochlear groove S in dead bolt R insertion key shanks on hole D, keyhole D, key 14 is rotated, drives lock core chip 1 to rotate, when lock core chip 1
On bullet groove W when turning to 3 lower section of marble bin, the son 9 of moving in marble bin 3 is fallen into the bullet groove W on lock core chip 1, i.e.,
Rotatable lock core chip 1；In the keyhole D at the key bit insertion lock core seal bottom 12 of the front end of key 14, the key bit end both sides of key 14
Dowel hole Q and keyhole D inner faces back cover convex key T coordinate, and the key bit of key 14 pushes movable shifting block 5, and movable shifting block 5 is embedded in shift fork
In the shift fork set endoporus K of the collar 7, blocked by inner ring rib 8, the baffle ring groove C for dialling key J insertion inner ring rib 8 on movable shifting block 5
In.Key 14 rotates, and drive activity shifting block 5 rotates, and when rotating forward, shift fork 6 outwards produces, and can pin lockset, locking room
Door；During reverse rotation, shift fork 6 is inwardly gone back to, and can unclamp lockset, opens door.The bullet groove W's of each lock core chip 1 draws up
Mode and key 14 combine with the fit system of lock core chip 1 can whether there is any of several arrangements, every pair of 14 cylindrical key shank of key and lock
The curve shape for the cochlear groove S that chip 1 coordinates differs, so that it is guaranteed that a key 14 can only drive a lock, is not in
Overlap.Except non-fully damage lock tool or timber, the key 14 otherwise not matched therewith is not opened door lock at all, so that it is guaranteed that
Door safety.
The security of the present invention is good, can be effectively protected door not by other keys 14 or work outside this lock key 14
Tool is opened, and eliminates unsafe factor, the safety of residential households property and public property is effectively protected, for maintaining social stability
Play positive facilitation.
Claims (4)
1. a kind of safety door latch and key, including lock tube (4), marble bin (3), lock core shell (2), lock core chip (1), lock core seal bottom
(12), spring (10), determine pellet (11), move sub (9), shift fork (6), key (14), it is characterised in that：During lock core chip (1) is
The heart is provided with the circular sheet metal of keyhole (D), and keyhole (D) upper limb is provided with inwardly projecting dead bolt (R), lock core chip (1) circumferential edge
Edge optional position is provided with the bullet groove (W) of a shape and sub (9) radius identical semi-cylindrical of moving, the adjacent lock core of each two
Bullet groove (W) combination of the semi-cylindrical of piece (1) forms one group of complete cylindrical pellet that can accommodate sub (9) diameter of moving
Groove (W), the combination of several lock core chips (1) are sleeved in lock core shell (2) side by side, and the circumferential edges of each pair of lock core chip (1) combination can
The cylindrical bullet groove (W) of each group diverse location is formed, with the rotation of lock core chip (1), the bullet groove (W) of each group cylinder
Corresponding with the pellet through hole (U) of radial direction at the top of lock core shell (2) respectively, lock core seal bottom (12) are sleeved on lock core shell (2) the inner, lock
The dowel hole (X) of radial direction is uniformly opened up on the periphery of core back cover (12), with the dowel hole (X) opened up on lock core shell (2)
It is corresponding, alignment pin (13) is equipped with dowel hole (X), lock core shell (2) and lock core seal bottom (12) are connected firmly together；Lock core seal
Keyhole (D) the inner face both sides at bottom (12) are arranged with two back cover convex keys (T), and the key shank of key (14) is cylinder, and top is opened
There is cochlear groove (S), key shank front end both sides are symmetrically provided with the key bit keyway (Y) of two axial directions, can be with lock core seal bottom (12) keyhole (D)
Interior set back cover convex key (T) is engaged；Lock core shell (2) two sides of lock core seal bottom (12) back are provided with keyway diametrically
Hole (Q), lock core shell (2）Inside set the movable shifting block (5) that band dials key (J), movable shifting block (5）Key (J) active mounting of dialling of both sides exists
In dowel hole (Q), movable shifting block (5) can match somebody with somebody with the shift fork collar (7) set in the shift fork installation slotted eye (G) among lock tube (4)
Trap fills, and key (J) and the baffle ring groove (C) of inner ring rib (8) both sides in shift fork set endoporus (K) are dialled in movable shifting block (5) both sides
It is equipped.
2. according to a kind of safety door latch and key described in claim 1, it is characterised in that：Described lock core shell (2）On top
Face is axially uniformly provided with the pellet through hole (U) of several radial directions, and its diameter matches with determining pellet (11), its quantity and position with
Pellet mounting hole (M) in lock tube (4) and marble bin (3) is corresponding.
3. according to a kind of safety door latch and key described in claim 1, it is characterised in that：Described dowel hole (X) is being locked
It is uniformly arranged two or more on core back cover (12) periphery, is provided with lock core shell (2) of lock core seal bottom (12) periphery suit same
The dowel hole (X) of sample, its quantity and position are corresponding with the dowel hole (X) of lock core seal bottom (12), lock core shell (2) and lock core
Alignment pin (13) is equipped with dowel hole (X) on back cover (12), lock core seal bottom (12) and lock core shell (2) are fixedly connected.
4. according to a kind of safety door latch and key described in claim 1, it is characterised in that：Described key (14) key bit end
Top surface be concave crown face (V) less than key (14) cylinder periphery, concave crown face (V) both sides are inner from key bit end to key shank
Shrink extension, concave crown face (V in direction）Cochlear groove (S) notch is provided with the inner of key shank junction, cochlear groove (S) is in key
(14) direction extension is curled up to spoon in cylindrical key shank, the width and depth of cochlear groove (S) and the keyhole of lock core chip (1)
(D) dead bolt (R) in matches, and cochlear groove (S) coordinates all the time with dead bolt (R) during unlocking；The curve shape of cochlear groove (S) with it is each
Different bullet groove (W) positions matches on individual lock core chip (1), and the key bit of key (14) can carry back cover with lock core seal bottom (12)
The keyhole (D) of convex key (T) is equipped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729880.0A CN105239837B (en) | 2015-11-02 | 2015-11-02 | A kind of safety door latch and key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510729880.0A CN105239837B (en) | 2015-11-02 | 2015-11-02 | A kind of safety door latch and key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105239837A CN105239837A (en) | 2016-01-13 |
| CN105239837B true CN105239837B (en) | 2018-01-16 |
Family
ID=55037634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510729880.0A Expired - Fee Related CN105239837B (en) | 2015-11-02 | 2015-11-02 | A kind of safety door latch and key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105239837B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013092B (en) * | 2017-05-04 | 2018-11-02 | 郑志文 | Take turns piece driven type mechanical lock and imperial thick pillar formula key |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ535837A (en) * | 2002-04-09 | 2006-10-27 | Master Lock Co | A discriminating mechanism for a pin tumbler lock |
| TWI238216B (en) * | 2002-06-28 | 2005-08-21 | Hsien-Lung Tseng | Key and lock with buried beads on slant shaft |
| CN100587215C (en) * | 2003-09-22 | 2010-02-03 | 温洛克股份公司 | Lock and key system with extra code combinations |
| US7159424B2 (en) * | 2003-09-22 | 2007-01-09 | Winloc Ag | Lock and key system with extra code combinations |
| CN102720398B (en) * | 2012-06-15 | 2014-12-10 | 中山市基信锁芯有限公司 | Burglary-prevention self-locking lock cylinder |
| CN202831845U (en) * | 2012-06-15 | 2013-03-27 | 中山市基信锁芯有限公司 | Anti-theft self-locking lock cylinder |
| CN104343289B (en) * | 2014-11-06 | 2017-02-15 | 李质想 | Spring coded lock and key |
| CN205078009U (en) * | 2015-11-02 | 2016-03-09 | 贾清振 | Safe lock and key |
-
2015
- 2015-11-02 CN CN201510729880.0A patent/CN105239837B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105239837A (en) | 2016-01-13 |
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