CN110607947B - Lock cylinder structure - Google Patents
Lock cylinder structure Download PDFInfo
- Publication number
- CN110607947B CN110607947B CN201910938986.XA CN201910938986A CN110607947B CN 110607947 B CN110607947 B CN 110607947B CN 201910938986 A CN201910938986 A CN 201910938986A CN 110607947 B CN110607947 B CN 110607947B
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- China
- Prior art keywords
- lock
- groove
- hole
- locking
- key
- Prior art date
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Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 239000004579 marble Substances 0.000 claims description 8
- 230000013011 mating Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/14—Tumblers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B31/00—Cylinder locks with both tumbler pins or balls and plate tumblers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
- E05B2015/0448—Units of springs; Two or more springs working together
Abstract
The invention discloses a lock cylinder structure, which comprises a lock shell, wherein a lock liner hole is arranged in the lock shell, a lock liner is arranged in the lock liner hole, a key hole for a key to be inserted is formed in the lock liner, the lock cylinder structure further comprises a front lock pin assembly and a lock assembly, the lock liner is provided with a first accommodating groove, a second accommodating groove is formed in the peripheral surface of the lock liner, the front lock pin assembly comprises a front lock pin, a longitudinal elastic element and a transverse elastic element, the length of the first accommodating groove is larger than that of the front lock pin, a first matching part and a second matching part are arranged on the front lock pin, a third matching part is further arranged on the front lock pin, a locking table surface is arranged at the bottom of the first accommodating groove, and an unlocking groove for the third matching part to be embedded is formed beside the locking table surface.
Description
[ field of technology ]
The invention relates to the field of locks, in particular to a lock cylinder structure.
[ background Art ]
At present, the front locking pins of the lock cylinder in the prior art are matched with the teeth of the key through the pin tumbler type component or the page type component, and after the correct key is inserted, the teeth of the correct key are matched with the pin tumbler type component or the page type component to unlock, so that the lock cylinder has low safety coefficient, and a lawbreaker is easy to open technically, therefore, an anti-theft lock cylinder with higher safety performance is needed.
[ invention ]
In order to solve the above problems, the present invention provides a lock cylinder structure that requires a key to have a correct length to be opened, in addition to the proper matching of the teeth of the key with the pin tumbler type or the blade type components.
In order to achieve the above purpose, the invention provides the following technical scheme:
the lock cylinder structure comprises a lock shell, wherein a lock liner hole is arranged in the lock shell, a lock liner is rotationally arranged in the lock liner hole, a key hole for a key to be inserted is formed in the lock liner, the lock cylinder structure further comprises a front lock pin assembly and a lock assembly matched with a key tooth, a first accommodating groove for accommodating the front lock pin assembly and communicated with the key hole is formed in the outer peripheral surface of the lock liner, a second accommodating groove which is respectively communicated with the key hole and the first accommodating groove and is used for accommodating the matched lock assembly is formed in the outer peripheral surface of the lock liner, the front lock pin assembly comprises a front lock pin, a longitudinal elastic element and a transverse elastic element, the length of the first accommodating groove is larger than that of the front lock pin, a first matched part matched with the key and a second matched part matched with the matched lock assembly are arranged on the front lock pin, the front locking pin is further provided with a third matching part, a locking table surface arranged at the bottom of the first accommodating groove is positioned beside the locking table surface, an unlocking groove for the third matching part to be embedded is formed in the side of the locking table surface, the locking table surface is higher than or equal to the top surface of the unlocking groove, the longitudinal elastic element is positioned between the front end of the front locking pin and one side wall of the first accommodating groove, the transverse elastic element is positioned between the locking liner and the front locking pin, in an unlocking state, the third matching part is aligned with the unlocking groove in position, in the locking state, the transverse elastic element acts on the third matching part to be separated from the unlocking groove so that the top of the front locking pin is clamped on the lock shell, and the longitudinal elastic element acts on the third matching part to retract to the locking table surface from the position of the unlocking groove.
As a preferred embodiment, further defined as: the first accommodating groove is communicated with the key hole through a first through hole, the first accommodating groove is communicated with the second accommodating groove through a second through hole, the first matching part penetrates through the first through hole to be matched with the key, and the matching locking assembly penetrates through the second through hole to be matched with the second matching part.
As a preferred embodiment, further defined as: the longitudinal elastic element comprises an extending column fixedly connected with the front locking pin and extending along the longitudinal direction, a first reset spring is sleeved on the extending column, one end of the first reset spring acts on the side wall of the first accommodating groove, and the other end of the first reset spring acts on the side surface of the front locking pin, which is connected with the extending column.
As a preferred embodiment, further defined as: the longitudinal elastic element comprises a hole which is arranged on the front end face of the front locking pin, a first reset spring is arranged in the hole, one end of the first reset spring acts on the side wall of the first accommodating groove, and the other end of the first reset spring acts on the bottom face of the hole.
As a preferred embodiment, further defined as: the transverse elastic element comprises a marble and a second reset spring, a first accommodating hole for accommodating the marble is formed in the second matching part, a second accommodating hole for accommodating part of the second reset spring is formed in one end of the marble, the aperture of the first accommodating hole is larger than that of the second accommodating hole, the second reset spring is arranged between the bottom of the first accommodating hole and the bottom of the second accommodating hole, and the other end of the marble abuts against the bottom of the first accommodating groove under the action of the second reset spring.
As a preferred embodiment, further defined as: the mating locking assembly is a leaf assembly.
As a preferred embodiment, further defined as: the cooperation locking assembly comprises a plurality of blade groups, each blade group comprises a plurality of blades, the blades are provided with protruding blocks which partially penetrate through the second through holes and then extend into the first accommodating grooves, gaps are formed in two sides of each protruding block, when the key is inserted, the teeth of the key drive the blades to transversely move so that the protruding blocks are longitudinally aligned to form protruding strips and the gaps on two sides are longitudinally aligned to form two relief gap grooves, when the key drives the lock liner to rotate, the second cooperation parts are matched with the protruding strips or/and the second cooperation parts are matched with the relief gap grooves, and the cooperation locking assembly further comprises third reset springs which act on the blades in each blade group to be mutually staggered when the key is pulled out.
As a preferred embodiment, further defined as: the number of the page groups is equal to that of the second accommodating grooves, each page group comprises three pages which are overlapped with each other, one end of the third reset spring acts on one outside page, and the other end acts on the other outside page.
As a preferred embodiment, further defined as: the front locking pin is further provided with a linkage part and a fourth matching part which are linked with the pulling part, a bevel slot which is used for enabling a part of the fourth matching part to be clamped in when the lock liner is in a locking state is arranged in the lock liner hole, when the key is inserted and the lock liner is driven to rotate, the fourth matching part is separated from the clamping of the bevel slot and is completely retracted into the first accommodating groove, so that the second matching part is matched with the protruding strip or/and the second matching part is matched with the yielding notch groove, and when the key is used for driving the lock liner to rotate to align with the bevel slot, the second reset spring acts on the part of the fourth matching part to jack into the bevel slot.
As a preferred embodiment, further defined as: the side surface of the lock liner is provided with a third containing groove communicated with the key hole, a side surface locking pin assembly is arranged in the third containing groove, the side surface locking pin assembly comprises a side surface locking pin and a fourth reset spring which acts on the side surface locking pin to reset, and a clamping mechanism for locking or unlocking the lock liner relative to the lock shell is arranged between the side surface locking pin and the lock shell.
As a preferred embodiment, further defined as: the locking mechanism comprises a clamping protrusion arranged on the outer side of the side locking pin and a first extending block arranged on the inner side of the side locking pin and extending into a key hole, a sliding groove which extends along the axial direction of the lock container hole and is matched with the clamping protrusion is arranged on the inner wall of the lock container hole, an arc-shaped groove which extends around the axial direction of the lock container hole and is matched with the clamping protrusion is arranged on the inner wall of the lock container hole, the sliding groove is staggered with the arc-shaped groove, in a locking state, the clamping protrusion is partially clamped into the sliding groove, when the key is inserted, the side part of the front end of the key is abutted against the first extending block and drives the clamping protrusion to move from the sliding groove to the intersection of the sliding groove and the arc-shaped groove, so that the lock container is unlocked relative to the lock shell in a rotating mode, and after the key is pulled out when the lock container is positioned in a locking position, the fourth reset spring acts on the clamping protrusion to slide into the sliding groove from the intersection of the sliding groove and the arc-shaped groove, so that the lock container is locked relative to the lock container.
The beneficial effects of the invention are: the length of the first accommodating groove is longer than that of the front locking pin, when the key is inserted, the tooth of the key is matched with the matched locking assembly, and in the process of inserting the key, the middle part of the front end of the key is abutted against the first matched part of the front locking pin and drives the position of the third matched part of the front locking pin to align with the unlocking groove, so that the lock liner can be rotated to unlock.
[ description of the drawings ]
FIG. 1 is a schematic view of the structure created by the present invention;
FIG. 2 is one of the exploded views created by the present invention;
FIG. 3 is a second exploded view of the present invention;
FIG. 4 is a front view of the invention;
FIG. 5 is a cross-sectional view of FIG. 4 after insertion of a key at A-A;
FIG. 6 is a cross-sectional view of FIG. 4 after removal of the key at A-A;
FIG. 7 is a cross-sectional view at B-B of FIG. 4;
FIG. 8 is a side view of the present invention;
FIG. 9 is a cross-sectional view at C-C of FIG. 8;
FIG. 10 is a schematic view of a mating locking assembly;
FIG. 11 is a structural view of the lock cylinder;
FIG. 12 is a structural view of an embodiment of a front locking pin;
fig. 13 is a structural view of another embodiment of the front locking pin.
[ detailed description ] of the invention
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1-13, a lock cylinder structure comprises a lock shell 11, wherein a lock container hole 14 is arranged in the lock shell 11, a lock container 15 is rotationally arranged in the lock container hole 14, a key hole 17 for inserting a key 16 is arranged on the lock container 15, the lock cylinder structure further comprises a front locking pin assembly 2 and a locking assembly 3 matched with a tooth of the key 16, a first accommodating groove 151 which is used for accommodating the front locking pin assembly 2 and communicated with the key hole 17 is arranged on the outer peripheral surface of the lock container 15, a second accommodating groove 152 which is respectively communicated with the key hole 17 and the first accommodating groove 151 and used for accommodating the matched locking assembly 3 is arranged on the outer peripheral surface of the lock container 15, the front locking pin assembly 2 comprises a front locking pin 21, a longitudinal elastic element 22 and a transverse elastic element 23, the length of the first accommodating groove 151 is larger than that of the front locking pin 21, the front locking pin 21 is provided with a first matching part 211 matched with the key 16 and a second matching part 212 matched with the locking assembly 3, the front locking pin 21 is also provided with a third matching part 213, a locking table 157 arranged at the bottom of the first accommodating groove 151 is provided beside the locking table 157, an unlocking groove 156 for embedding the third matching part 213 is arranged beside the locking table 157, the locking table 157 is higher than or equal to the top surface of the unlocking groove 156, the longitudinal elastic element 22 is arranged between the front end of the front locking pin 21 and one side wall of the first accommodating groove 151, the transverse elastic element 23 is arranged between the lock liner 15 and the front locking pin 21, in the unlocking state, the third matching part 213 is aligned with the unlocking groove 156 in position, the transverse elastic element 23 acts on the third matching part 213 to disengage from the unlocking groove 156, so that the top of the front locking pin 21 is clamped on the lock shell, the longitudinal elastic element 22 acts on the third matching part 213 to retract from the position of the unlocking groove 156 to the position of the locking table 157, the hole of the first containing groove 151 communicated with the key hole 17 is a first through hole 154, the hole of the first containing groove 151 communicated with the second containing groove 152 is a second through hole 155, the first matching part 211 passes through the first through hole 154 to be matched with the key 16, the matching locking component 3 passes through the second through hole 155 to be matched with the second matching part 212, when the key is inserted, the tooth of the key is matched with the matching locking component, in the process of inserting the key, the middle part of the front end is abutted against the first matching part of the front locking pin and drives the position of the third matching part of the front locking pin to be aligned with the unlocking groove, and then the lock liner can be rotated to unlock, compared with the prior art, the tooth of the key can be further matched with the lock core, even if the tooth of the key is not matched with the third matching pin, and the lock core is not matched with the lock component, and the lock core cannot be further matched with the key, and the lock can be locked even if the key is not matched with the key.
In the invention, in order to enable the key to reset after pushing the longitudinal position of the front locking pin, the structure of the front locking pin has two design modes:
the design mode of the front locking pin is as follows: the longitudinal elastic element 22 includes a protruding column 221 fixedly connected to the front locking pin 21 and extending in the longitudinal direction, the protruding column 221 is sleeved with a first return spring 222, one end of the first return spring 222 acts on a side wall of the first accommodating groove 151, and the other end acts on the side surface of the front locking pin 21 connected to the protruding column 221.
The design mode of the front locking pin is II: the longitudinal elastic element comprises an opening 223 formed in the front end surface of the front locking pin 21, a first return spring 222 is disposed in the opening 223, one end of the first return spring 222 acts on the side wall of the first accommodating groove 151, and the other end acts on the bottom surface of the opening 223.
In the present invention, in order to enable the front locking pin to return to the first receiving groove after being displaced in the depth direction, the transverse elastic element 23 includes a ball 231 and a second return spring 232, the second mating portion 212 is provided with a first receiving hole 233 for receiving the ball 231, one end of the ball 231 is provided with a second receiving hole 234 for receiving a portion of the second return spring 232, the aperture of the first receiving hole 233 is larger than the aperture of the second receiving hole 234, the second return spring 232 is disposed between the bottom of the first receiving hole 233 and the bottom of the second receiving hole 234, and the other end of the ball 231 abuts against the bottom of the first receiving groove 151 under the action of the second return spring 232.
The mating locking component may be a leaf component or a pin component, and in the present invention, the mating locking component 3 is preferably a leaf component, and the mating locking component 3 is preferably a leaf component.
In the invention, the better matching between the front locking pin and the matching locking component is facilitated, the matching locking component 3 comprises a plurality of blade groups 31, each blade group 31 comprises a plurality of blades, the blades are provided with protruding blocks 32 which partially penetrate through the second through holes 155 and then extend into the first accommodating grooves 151, both sides of the protruding blocks 32 are provided with notches 33, when the key 16 is inserted, the teeth of the key 16 drive the blades to transversely move so that the protruding blocks 32 are longitudinally aligned to form protruding strips 34 and the notches 33 at both sides are respectively longitudinally aligned to form two yielding notch grooves 35, the protruding strip and the two abdication notch grooves form a strip-shaped convex shape, the second matching part is concave, when the key 16 drives the lock liner 15 to rotate, the second matching part 212 is matched with the protruding strip 34 or/and the second matching part 212 is matched with the abdication notch grooves 35, namely, the matching locking assembly 3 also comprises a third reset spring 36, and after the key 16 is pulled out, the third reset spring 36 acts on the sheets in each group of sheets 31 to be staggered.
In the present invention, the number of the groups of the blade groups 31 is equal to the number of the second accommodating grooves 152, each group of the blade groups 31 includes three mutually overlapped blades, one end of the third return spring 36 acts on one outer side of the blades, the other end acts on the other outer side of the blades, so that the blades of the key blade group can be conveniently pulled out for resetting, and the middle blade can be driven for resetting by pulling out the teeth of the key.
In the invention, the opening slot 12 in the middle of the lock case 11 is provided with a pulling 13, the front locking pin 21 is also provided with a linkage part 214 and a fourth matching part 215 which are linked with the pulling 13, the lock liner 15 is internally provided with a bevel slot 143 for the part of the fourth matching part 215 to be blocked in when the lock liner 15 is in a locking state, when the key 16 is inserted and the lock liner 15 is driven to rotate, the fourth matching part 215 is completely retracted into the first accommodating slot 151 after being separated from the blocking of the bevel slot 143, so that the second matching part 212 is matched with the raised strip 34 or/and the second matching part 212 is matched with the yielding notch slot 35, and when the key 16 is driven to rotate to the first accommodating slot 151 and the bevel slot 143, the part of the fourth matching part 215 is acted by the second reset spring 232 to be jacked into the bevel slot 143.
In the invention, the safety performance of the lock core structure is further improved, the lock liner is further provided with a side locking pin component for locking or unlocking, and the design is that: a third accommodating groove 153 communicated with the key hole is arranged on the side surface of the lock liner 15, a side surface locking pin assembly 4 is arranged in the third accommodating groove 153, the side surface locking pin assembly 4 comprises a side surface locking pin 41 and a fourth reset spring 42 which acts on the side surface locking pin 41 to reset, and a clamping mechanism for locking or unlocking the lock liner 15 relative to the lock shell 11 is arranged between the side surface locking pin 41 and the lock shell 11.
The locking mechanism comprises a locking protrusion 411 arranged on the outer side of the side locking pin 41 and a first protruding block 412 arranged on the inner side of the side locking pin 41 and protruding into the key hole 17, a sliding groove 141 extending along the axial direction of the lock container hole 14 and matched with the locking protrusion 411 is arranged on the inner wall of the lock container hole 14, an arc-shaped groove 142 extending around the axial direction of the lock container hole 14 and matched with the locking protrusion 411 is arranged on the inner wall of the lock container hole 14, the sliding groove 141 is staggered with the arc-shaped groove 142, when the lock container 15 is in a locking state, a part of the locking protrusion 411 is blocked into the sliding groove 141, when the key 16 is inserted, the side part of the front end of the key 16 is abutted against the first protruding block 412 and drives the sliding groove 141 to move to the intersection of the sliding groove 141 and the arc-shaped groove 142 from the sliding groove 141, so that the lock container 15 rotates relative to the lock shell 11, and when the lock container 15 is in a locking position, the sliding groove 141 is pulled out of the key 16, and the fourth locking protrusion 42 is enabled to slide groove 141 to be locked relative to the sliding groove 11.
Working principle: when the key is inserted into the key hole, the tooth on the key can drive each leaf of the leaf group to move transversely so that the protruding blocks on each leaf are aligned with each other and the gaps on each leaf are aligned with each other, therefore, simultaneously, the middle part of the front end of the key is abutted against and pushes the first matching part of the front locking pin to displace longitudinally so that the position of the third matching part of the front locking pin is aligned with the position of the unlocking groove, simultaneously, the side part of the front end of the key is abutted against and pushes the first protruding block to move so as to drive the clamping protrusion on the side locking pin to move from the sliding groove to the intersection of the sliding groove and the arc-shaped groove, at the moment, the key can be operated to drive the locking liner to rotate, and in the process of rotating the locking liner, the linkage part of the front locking pin is always kept in linkage with the poking and dragging, simultaneously, the fourth matching part of the front locking pin is separated from the bevel groove, at the moment, the fourth matching part of the front locking pin is completely in the first accommodating groove so that the second matching part of the front locking pin is matched with the sliding groove or the arc-shaped groove is completely retracted, and the locking pin can be simultaneously retracted into the arc-shaped groove from the intersection.
When the key drives the lock liner to rotate to a locking position, after the key is pulled out, the reset spring acts on the side locking pin to reset so that the clamping protrusion slides back into the sliding groove from the intersection of the sliding groove and the arc-shaped groove, so that the second reset spring acts on the second matching part of the front locking pin to separate from the convex strip or/and the clearance groove so that the third matching part pops out of the unlocking groove, the fourth matching part of the front locking pin is clamped into the bevel groove, so that the first reset spring acts on the third matching longitudinal direction of the front locking pin to reset to the locking table surface, and at the same time, the third reset spring acts on the sheets of each group of sheets to reset and stagger, and locking can be realized.
Claims (6)
1. The lock cylinder structure comprises a lock shell (11), wherein a lock liner hole (14) is arranged in the lock shell (11), a lock liner (15) is rotationally arranged in the lock liner hole (14), a key hole (17) for a key (16) to be inserted is formed in the lock liner (15), the lock cylinder structure is characterized by further comprising a front lock pin assembly (2) and a lock assembly (3) matched with a tooth of the key (16), a first accommodating groove (151) for accommodating the front lock pin assembly (2) and communicated with the key hole (17) is formed in the outer peripheral surface of the lock liner (15), a second accommodating groove (152) which is respectively communicated with the key hole (17) and the first accommodating groove (151) and is used for accommodating the matched lock assembly (3) is formed in the outer peripheral surface of the lock liner (15), the front lock pin assembly (2) comprises a front lock pin (21), a longitudinal elastic element (22) and a transverse elastic element (23), the length of the first accommodating groove (2) is larger than the length of the lock pin assembly (21) and a first front lock pin (21) is matched with a second lock pin (21) and a third lock pin (21) matched with a third lock pin assembly (21), a locking table top (157) is arranged at the bottom of the first accommodating groove (151), an unlocking groove (156) for embedding the third matching part (213) is arranged beside the locking table top (157), the locking table top (157) is higher than or equal to the top surface of the unlocking groove (156), the longitudinal elastic element (22) is positioned between the front end of the front locking pin (21) and one side wall of the first accommodating groove (151), the transverse elastic element (23) is positioned between the locking liner (15) and the front locking pin (21), the third matching part (213) is aligned with the unlocking groove (156) in position, and in the unlocking state, the transverse elastic element (23) acts on the third matching part (213) to be separated from the unlocking groove (156) so that the top of the front locking pin (21) is clamped on the locking shell, and the longitudinal elastic element (22) acts on the third matching part (213) to be retracted from the unlocking groove (156) to the locking table top (157) in position;
the first accommodating groove (151) is provided with a first through hole (154) communicated with the key hole (17), the first accommodating groove (151) is provided with a second through hole (155) communicated with the second accommodating groove (152), the first matching part (211) passes through the first through hole (154) to be matched with the key (16), and the matching locking assembly (3) passes through the second through hole (155) to be matched with the second matching part (212);
the transverse elastic element (23) comprises a marble (231) and a second reset spring (232), the second matching part (212) is provided with a first accommodating hole (233) for accommodating the marble (231), one end part of the marble (231) is provided with a second accommodating hole (234) for accommodating part of the second reset spring (232), the aperture of the first accommodating hole (233) is larger than that of the second accommodating hole (234), the second reset spring (232) is arranged between the hole bottom of the first accommodating hole (233) and the hole bottom of the second accommodating hole (234), and the other end part of the marble (231) is propped against the bottom of the first accommodating groove (151) under the action of the second reset spring (232);
the matching locking component (3) is a leaf component;
the matching locking assembly (3) comprises a plurality of leaf groups (31), each leaf group (31) comprises a plurality of leaves, each leaf is provided with a protruding block (32) which partially penetrates through the second through hole (155) and then stretches into the first accommodating groove (151), both sides of each protruding block (32) are respectively provided with a notch (33), when the key (16) is inserted, the teeth of the key (16) drive the leaves to transversely move so that the protruding blocks (32) are longitudinally aligned and arranged into protruding strips (34) and the notches (33) at both sides are respectively longitudinally aligned and arranged into two relief notch grooves (35), when the key (16) drives the lock liner (15) to rotate, the second matching parts (212) are matched with the protruding strips (34) or/and the second matching parts (212) are matched with the relief notch grooves (35), the matching locking assembly (3) also comprises a third reset spring (36), and when the key (16) is pulled out, the reset springs (36) of each leaf group are staggered;
the lock comprises a lock shell (11), and is characterized in that a poking and dragging part (13) is arranged in an opening groove (12) in the middle of the lock shell (11), a linkage part (214) and a fourth matching part (215) which are in linkage with the poking and dragging part (13) are further arranged in the front locking pin (21), a bevel groove (143) which is used for enabling a part of the fourth matching part (215) to be clamped in when the lock liner (15) is in a locking state, when a key (16) is inserted and the lock liner (15) is driven to rotate, the fourth matching part (215) is separated from the bevel groove (143) after being clamped and is completely retracted into the first accommodating groove (151), so that the second matching part (212) is matched with a raised strip (34) or/and the second matching part (212) is matched with a yielding notch groove (35), and when the key (16) is driven to rotate to the first accommodating groove (151) and the bevel groove (15) to be aligned with the bevel groove, and a reset spring (232) is used for resetting the bevel groove (215) to be matched with the bevel groove (232).
2. A lock cylinder structure according to claim 1, characterized in that the longitudinal elastic element (22) comprises a protruding column (221) fixedly connected with the front locking pin (21) and extending in the longitudinal direction, the protruding column (221) is sleeved with a first return spring (222), one end of the first return spring (222) acts on the side wall of the first accommodating groove (151), and the other end acts on the side surface of the front locking pin (21) connected with the protruding column (221).
3. The lock cylinder structure according to claim 1, characterized in that the longitudinal elastic element comprises an opening (223) formed in a front end surface of the front locking pin (21), a first return spring (222) is disposed in the opening (223), one end of the first return spring (222) acts on a side wall of the first accommodating groove (151), and the other end acts on a bottom surface of the opening (223).
4. A lock cylinder structure according to claim 1, characterized in that the number of said groups of leaves (31) is equal to the number of said second receiving grooves (152), each of said groups of leaves (31) comprising three said leaves superimposed on each other, one end of said third return spring (36) acting on one of said outer leaves and the other end acting on the other outer one of said leaves.
5. The lock cylinder structure according to claim 1, characterized in that a third accommodating groove (153) communicated with the key hole is arranged on the side surface of the lock cylinder (15), a side surface locking pin assembly (4) is arranged in the third accommodating groove (153), the side surface locking pin assembly (4) comprises a side surface locking pin (41) and a fourth reset spring (42) which acts on the side surface locking pin (41) to reset, and a clamping mechanism for locking or unlocking the lock cylinder (15) relative to the lock cylinder (11) is arranged between the side surface locking pin (41) and the lock cylinder (11).
6. The lock cylinder structure according to claim 5, wherein the locking mechanism comprises a locking protrusion (411) disposed on the outer side of the side locking pin (41) and a first protruding block (412) disposed on the inner side of the side locking pin (41) and protruding into the key hole (17), a sliding groove (141) extending along the axial direction of the lock cylinder hole (14) and adapted to the locking protrusion (411) is disposed on the inner wall of the lock cylinder hole (14), an arc-shaped groove (142) extending around the axial direction of the lock cylinder hole (14) and adapted to the locking protrusion (411) is disposed on the inner wall of the lock cylinder hole (14), the sliding groove (141) is staggered with the arc-shaped groove (142), a portion of the locking protrusion (411) is locked into the sliding groove (141) when the key (16) is inserted, a side portion of the front end of the key (16) abuts against the first protruding block (412) and drives the protrusion (141) to move from the locking groove (141) to the locking groove (15) when the lock cylinder (15) is locked, the fourth return spring (42) acts on the clamping protrusion (411) to slide into the sliding groove (141) from the intersection of the sliding groove (141) and the arc-shaped groove (142) so as to lock the lock cylinder (15) relative to the lock shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938986.XA CN110607947B (en) | 2019-09-30 | 2019-09-30 | Lock cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938986.XA CN110607947B (en) | 2019-09-30 | 2019-09-30 | Lock cylinder structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110607947A CN110607947A (en) | 2019-12-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121372A (en) * | 2016-08-25 | 2016-11-16 | 中山火炬开发区坚诚达五金加工厂 | A kind of lock core and key |
| CN108150015A (en) * | 2017-11-16 | 2018-06-12 | 珠海优特电力科技股份有限公司 | Electronic lock cylinder, solution lock key and lockset |
| CN108716320A (en) * | 2018-08-08 | 2018-10-30 | 珠海优特电力科技股份有限公司 | Anti-error lock core and solution lock key |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121372A (en) * | 2016-08-25 | 2016-11-16 | 中山火炬开发区坚诚达五金加工厂 | A kind of lock core and key |
| CN108150015A (en) * | 2017-11-16 | 2018-06-12 | 珠海优特电力科技股份有限公司 | Electronic lock cylinder, solution lock key and lockset |
| CN108716320A (en) * | 2018-08-08 | 2018-10-30 | 珠海优特电力科技股份有限公司 | Anti-error lock core and solution lock key |
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