CN119777645B - Lock cylinder extension piece and lock - Google Patents
Lock cylinder extension piece and lockInfo
- Publication number
- CN119777645B CN119777645B CN202411979621.9A CN202411979621A CN119777645B CN 119777645 B CN119777645 B CN 119777645B CN 202411979621 A CN202411979621 A CN 202411979621A CN 119777645 B CN119777645 B CN 119777645B
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Abstract
The invention discloses a lock cylinder extension piece and a lock, which comprise a lock cylinder main body, wherein the advantages of increasing and decreasing the actual length of a lock cylinder to correspond to different door body thicknesses are realized through the matching arrangement of a first increasing mechanism and a second increasing mechanism, the door body is conveniently adapted according to the increase and decrease of the first increasing mechanism and the second increasing mechanism with different thicknesses, the operation is simple, and no broken parts exist, so that the subsequent random increase and decrease adaptation is convenient, meanwhile, the disassembly, assembly, replacement and maintenance operations of people are facilitated, the increase and decrease operation of the needed lock cylinder length is achieved in an increasing and decreasing mode, meanwhile, the thicknesses of the first increasing mechanism and the second increasing mechanism are diversified, so that the demands of people and the door bodies with different thicknesses are conveniently met, the actual adaptation and the use effects are ensured, and the matching of the lock cylinder main body, a supporting mechanism, a first shell mechanism and a second shell mechanism is facilitated, and the increase and decrease operation of the first increasing mechanism and the second increasing mechanism are conveniently adapted.
Description
Technical Field
The invention relates to the technical field of door locks, in particular to a lock cylinder extension piece and a lock.
Background
The gourd lock cylinder is a door lock cylinder, the appearance of which is similar to a gourd ladle, and is thus named. The gourd lock core is a core technology of door opening and unlocking, is mainly used for resisting the destructive actions such as lock picking and unlocking, adopts a complex encryption system design, and particularly adopts a double-sided lock core, so that the anti-theft performance of the door lock can be greatly improved;
gourd lock core is mainly used for door lock and furniture lock . The large gourd lock cylinder is generally used for locks of household articles such as drawers, cabinets, furniture and the like;
The lock core can not be prolonged and adjusted in the prior art, because the lock core lengths produced by manufacturers are different, so that the door bodies with different thicknesses can be conveniently adapted, the existing lock core size can only be adapted to the door bodies, the lock core length can not be increased or decreased, and parts are more during disassembly and replacement, so that the assembly and disassembly are not facilitated, and the maintenance is difficult and the length adjustment operation is inconvenient.
Disclosure of Invention
The invention aims to provide a lock cylinder extension piece and a lock, which have the advantages of conveniently and rapidly increasing and decreasing the actual length of a lock cylinder, are convenient for a user to disassemble, assemble, maintain and replace, are simple to operate, cannot form the phenomenon that parts are scattered, and adopt an increasing and decreasing mode to increase and decrease the length of the lock cylinder according to the actual requirement and adapt to a corresponding door body so as to solve the problems in the prior art.
In order to achieve the aim, the invention provides a lock cylinder extension piece and a lock, comprising a lock cylinder main body;
The bottom of the lock cylinder main body is provided with a supporting mechanism for external connection, one end of the supporting mechanism is provided with a first growing mechanism for convenient replacement, one end of the first growing mechanism is provided with a first shell mechanism for adaptive installation, the other end of the supporting mechanism is provided with a second growing mechanism for convenient replacement, and one end of the second growing mechanism is provided with a second shell mechanism for adaptive installation;
The first growth mechanism comprises a first installation component and a first locking component, the first installation component is arranged at one end of the supporting mechanism, and the first locking component is arranged at the outer side of the first installation component;
the second growth mechanism comprises a second installation component and a second locking component, the second installation component is arranged at the other end of the supporting mechanism, and the second locking component is arranged at the outer side of the second installation component;
the first shell mechanism comprises a first bearing component and a first external connecting component, the first bearing component is arranged at one end of the first growing mechanism, and the first external connecting component is arranged at the top of the first bearing component;
The second housing mechanism comprises a second bearing component and a second connecting component, the second bearing component is arranged at one end of the second growing mechanism, and the second connecting component is arranged at the top of the second bearing component;
The length of the lock cylinder is adjusted by increasing and decreasing the first and second growing mechanisms with different thicknesses, and the length of the lock cylinder is adjusted and the disassembly and assembly operations are convenient according to the actual thickness.
The support mechanism comprises a base, wherein the base is fixedly arranged at the bottom of the lock cylinder main body, and first connectors are fixedly arranged at two ends of the base.
Illustratively, the first mounting assembly includes a first connecting tube sleeved outside of a first joint at one end, and a second joint is fixedly mounted at one end of the first connecting tube.
The first locking assembly may comprise a second bolt threadedly coupled to a bottom of the first connecting tube, the first connecting tube being bolted with the first extension socket via the second bolt.
The second installation component comprises a second connection pipe, wherein the second connection pipe is sleeved on the outer side of the first joint at the other end, and a third joint is fixedly installed at one end of the second connection pipe.
The second locking assembly comprises a fourth bolt, the fourth bolt is in threaded connection with the bottom of the second connecting pipe, the second connecting pipe is in bolting connection with a second extension sleeve through the fourth bolt, a connecting block is arranged in the second extension sleeve, and a connecting ring is sleeved on the outer surface of the connecting block.
The first bearing assembly comprises a first installation sleeve, the first installation sleeve is sleeved on the outer side of the second joint, a first connecting rod is fixedly installed at one end of the first installation sleeve, a third bolt is connected to the bottom of the first installation sleeve in a threaded mode, and the first installation sleeve is bolted with the second joint through the third bolt;
The first external connection assembly comprises a first shell, the first shell is sleeved on the outer side of the first connecting rod, a first inner core is arranged in the first shell, and the first shell is bolted with the first shell through a third bolt.
The second bearing assembly comprises a second installation sleeve, the second installation sleeve is sleeved on the outer side of the second joint, a second connecting rod is fixedly installed at one end of the second installation sleeve, and a first bolt is connected to the bottom of the second installation sleeve in a threaded mode;
The second outer assembly comprises a second shell, the second shell is sleeved outside the second connecting rod, a second inner core is arranged inside the second shell, and the second mounting sleeve is bolted with the second shell through a first bolt.
Illustratively, a thumb wheel is inserted on one side of the lock cylinder body, and the thumb wheel is positioned between the lock cylinder body and the first growing sleeve.
A lock comprising said lock cylinder extension.
Compared with the prior art, the invention has the beneficial effects that:
The invention realizes the advantages of increasing and decreasing the actual length of the lock cylinder to correspond to different door body thicknesses through the matching arrangement of the first increasing mechanism and the second increasing mechanism, is convenient for adapting the door body according to the increase and decrease of the first increasing mechanism and the second increasing mechanism with different thicknesses, has simple operation and no broken parts, is convenient for subsequent random increase and decrease adaptation, is convenient for the subsequent random increase and decrease adaptation use, is simultaneously beneficial to the disassembly, assembly, replacement and maintenance operation of people, and adopts an increasing and decreasing mode to achieve the increase and decrease operation of the needed lock cylinder length, and meanwhile, the thicknesses of the first increasing mechanism and the second increasing mechanism are diversified so as to meet the demands of people and the door bodies with different thicknesses, thereby ensuring the actual adaptation and use effects.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a split structure of the present invention;
FIG. 3 is a schematic diagram of an explosive structure according to the present invention;
FIG. 4 is a schematic view of a base structure of the present invention;
FIG. 5 is a schematic view of a first growth sleeve according to the present invention;
FIG. 6 is a schematic view of a connecting ring according to the present invention;
FIG. 7 is a schematic view of a third bolt according to the present invention;
FIG. 8 is a schematic view of a second bolt according to the present invention;
FIG. 9 is a schematic view of a first bolt according to the present invention;
FIG. 10 is a schematic view of a fourth bolt according to the present invention;
FIG. 11 is a schematic view of the structure of the lock cylinder of the present invention when not being grown;
fig. 12 is a schematic view of the structure of the lock cylinder according to the present invention when the increased thickness is different.
In the figure, 1, a lock cylinder main body, 2, a supporting mechanism, 21, a base, 22, a first connector, 3, a first growing mechanism, 31, a first connecting pipe, 32, a second connector, 33, a second bolt, 34, a first growing sleeve, 4, a first shell mechanism, 41, a first mounting sleeve, 42, a third bolt, 43, a first connecting rod, 44, a first shell, 45, a first inner core, 5, a second growing mechanism, 51, a second connecting pipe, 52, a third connector, 53, a fourth bolt, 54, a second growing sleeve, 55, a connecting block, 56, a connecting ring, 6, a second shell mechanism, 61, a second mounting sleeve, 62, a first bolt, 63, a second connecting rod, 64, a second shell, 65, a second inner core, 7 and a thumb wheel are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the invention provides a lock cylinder extension piece and a lock, comprising a lock cylinder main body 1;
The bottom of the lock cylinder main body 1 is provided with a supporting mechanism 2 for external connection, one end of the supporting mechanism 2 is provided with a first growing mechanism 3 for convenient replacement, one end of the first growing mechanism 3 is provided with a first shell mechanism 4 for adaptive installation, the other end of the supporting mechanism 2 is provided with a second growing mechanism 5 for convenient replacement, and one end of the second growing mechanism 5 is provided with a second shell mechanism 6 for adaptive installation;
the first growing mechanism 3 comprises a first installation component and a first locking component, the first installation component is arranged at one end of the supporting mechanism 2, the first locking component is arranged at the outer side of the first installation component, so that the first growing mechanism 3 with different thicknesses can be conveniently adapted, and meanwhile, the first shell mechanism 4 can be also adapted when the required thickness is not increased;
The second growing mechanism 5 comprises a second installation component and a second locking component, the second installation component is arranged at the other end of the supporting mechanism 2, and the second locking component is arranged at the outer side of the second installation component and is used for adapting to the second growing mechanism 5 with different thickness and adapting to the second housing mechanism 6 when the thickness is not increased;
The first shell mechanism 4 comprises a first bearing component and a first external connecting component, the first bearing component is arranged at one end of the first growing mechanism 3, the first external connecting component is arranged at the top of the first bearing component, and the first shell mechanism 4 is convenient for realizing the operation of locking and unlocking by the adaptive key;
The second housing mechanism 6 comprises a second bearing component and a second external connecting component, the second bearing component is arranged at one end of the second growing mechanism 5, and the second external connecting component is arranged at the top of the second bearing component, so that the key is matched to perform switching operation;
the length of the lock cylinder is adjusted by increasing and decreasing the first growing mechanism 3 and the second growing mechanism 5 with different thicknesses, and the length of the lock cylinder is adjusted and the disassembly and assembly operations are convenient according to the actual thickness.
Wherein;
As shown in fig. 3 and 4, the support mechanism 2 includes a base 21, the base 21 is fixedly installed at the bottom of the lock cylinder body 1, and both ends of the base 21 are fixedly installed with first connectors 22, so that fittings at both ends can be conveniently adapted, fittings required for increasing the thickness can be adapted, and fittings without increasing the length can also be adapted.
Preferably;
As shown in fig. 3, the first installation component includes a first connection pipe 31, the first connection pipe 31 is sleeved on the outer side of the first joint 22 at one end, and a second joint 32 is fixedly installed at one end of the first connection pipe 31, so that supporting and splicing operations are performed.
As shown in fig. 3 and 5, the first locking assembly includes a second bolt 33, the second bolt 33 is screwed to the bottom of the first connecting tube 31, and the first connecting tube 31 is bolted with a first extension sleeve 34 through the second bolt 33, so that the connection fixation can be realized through tightening after the fixation.
Further;
As shown in fig. 3, the second installation component includes a second connection pipe 51, the second connection pipe 51 is sleeved on the outer side of the first connector 22 at the other end, and a third connector 52 is fixedly installed at one end of the second connection pipe 51, so that the fixing is convenient when the length is increased, and the normal operation of the lock core is ensured when the lock core is used.
As shown in fig. 3 and 6, the second locking assembly includes a fourth bolt 53, the fourth bolt 53 is screwed on the bottom of the second connecting pipe 51, the second connecting pipe 51 is bolted with a second extension sleeve 54 through the fourth bolt 53, a connecting block 55 is disposed in the second extension sleeve 54, and a connecting ring 56 is sleeved on the outer surface of the connecting block 55, which is beneficial to realizing the locking and fixing effect after the length-increasing structure.
Further;
as shown in fig. 3, the first bearing assembly comprises a first installation sleeve 41, the first installation sleeve 41 is sleeved on the outer side of the second joint 32, a first connecting rod 43 is fixedly installed at one end of the first installation sleeve 41, a third bolt 42 is connected to the bottom of the first installation sleeve 41 in a threaded manner, the first installation sleeve 41 is bolted with the second joint 32 through the third bolt 42, and is convenient to connect and fix with the first growth mechanism 3, so that the effect of length increase is achieved, and the connection operation without length increase can be achieved according to the required adaptation supporting mechanism 2;
the first external connection assembly comprises a first shell 44, the first shell 44 is sleeved on the outer side of the first connecting rod 43, a first inner core 45 is arranged in the first shell 44, the first shell 44 is bolted with the first shell 44 through a third bolt 42, the subsequent switch lock operation is facilitated, and the external key is adapted to operate.
In addition, the method comprises the steps of;
As shown in fig. 3, the second bearing assembly comprises a second installation sleeve 61, the second installation sleeve 61 is sleeved on the outer side of the third joint 52, a second connecting rod 63 is fixedly installed at one end of the second installation sleeve 61, a first bolt 62 is connected with the bottom of the second installation sleeve 61 in a threaded manner and is used for adapting the second growing mechanism 5 and the supporting mechanism 2, the length of the second growing mechanism 5 is increased when the second growing mechanism 5 is adapted, and the supporting mechanism 2 is adapted to be in a non-length-increased state;
The second external connection assembly comprises a second shell 64, the second shell 64 is sleeved outside the second connecting rod 63, a second inner core 65 is arranged inside the second shell 64, the second mounting sleeve 61 is bolted with the second shell 64 through a first bolt 62, and an external key can be adapted to the second external connection assembly, so that the second external connection assembly is convenient to switch.
Finally
As shown in fig. 3, a thumb wheel 7 is inserted on one side of the lock core main body 1, the thumb wheel 7 is located between the lock core main body 1 and the first extension sleeve 34, and the thumb wheel 7 is a key part in the door lock and is used for controlling the rotation of the lock core so as to unlock or lock the door body.
As shown in fig. 1, when the length is increased by assembling, the lock cylinder body 1 and the supporting mechanism 2 are in an installation state, at the moment, the two ends are directly added, the first growing mechanism 3 is taken out, the thumb wheel 7 is firstly inserted into one end of the lock cylinder body 1, then the first connecting pipe 31 is sleeved on the outer side of the first joint 22 on one side, namely the left side, and the first growing sleeve 34 is placed on the top of the first connecting pipe 31, at the moment, the second bolt 33 can be taken out, and the second bolt 33 penetrates through the first connecting pipe 31, the first joint 22 on one side and is in threaded connection with the first growing sleeve 34, so that the fixing is formed;
According to the above, the increase of the length of the left side is completed, and the actual thickness of the first growing mechanism 3 is provided with various thicknesses, such as 5mm, 7.5mm, 10mm, 15mm, 17.5mm, 20mm, etc., so as to be convenient for adapting to door bodies with different thicknesses, and the fitting of 7.5mm is adopted in the figure;
After the length of the left side is increased, the first shell mechanism 4 is installed, the first shell 44 and the first inner core 45 are in a state of being partially increased with the pre-installed state, at the moment, the first installation sleeve 41 is directly sleeved on the outer side of the second joint 32, then the first shell 44 is sleeved on the outer side of the first connecting rod 43 together with the first inner core 45 and is connected with the first connecting rod, at the moment, the third bolt 42 is taken out, and the third bolt 42 sequentially penetrates through the first installation sleeve 41, the second joint 32 and is connected with the first shell 44, so that the left side part completes the assembly operation in the thickness increasing process;
When the detachable part is detached, the operation is reversed based on the installation mode, the detachable part is gradually detached according to the steps, the detachable part is reversely detached in the installation mode during maintenance and replacement, and a new part is replaced in the installation mode;
The installation of the other side part, the second connecting pipe 51 is taken out, the second connecting pipe 51 is sleeved outside the other side, namely the right side first joint 22, then the second extension sleeve 54 is placed on the top of the second connecting pipe 51 together with the connecting block 55, and the second extension sleeve 54 and the connecting block 55 are in a pre-installed state, so that the fourth bolt 53 can be taken out, sequentially passes through the second connecting pipe 51 and the first joint 22 and is connected and fixed with the second extension sleeve 54, and the length of the right side is increased;
According to the above, the increase of the length of the right side is completed, and the actual thickness of the second growing mechanism 5 is provided with various thicknesses, such as 5mm, 7.5mm, 10mm, 15mm, 17.5mm, 20mm, etc., so as to be convenient for adapting to door bodies with different thicknesses, and the fitting of 10mm is adopted in the figure;
After the length of the right side is increased, the second housing mechanism 6 is installed, the second installation sleeve 61 is firstly taken out to be sleeved on the outer side of the third joint 52, then the second shell 64 and the second inner core 65 are together installed outside the second installation sleeve 61 and the second connecting rod 63, the second installation sleeve 61 and the second inner core 65 are assembled in advance, the second installation sleeve 61 and the second inner core 65 are integrally arranged in the process of disassembly and assembly and replacement, and then the first bolt 62 is taken out to penetrate the second installation sleeve 61 and the third joint 52 in advance and extend into the second shell 64 to be bolted and fixed with the second shell 64
When the detachable part is detached, the operation is reversed based on the installation mode, the detachable part is gradually detached according to the steps, the detachable part is reversely detached in the installation mode during maintenance and replacement, and a new part is replaced in the installation mode;
The connected modes are all bolted and fixed, so that the subsequent disassembly and assembly are facilitated, and the operation and the use are convenient;
The technical effect achieved by the reality is that the advantages of increasing and decreasing type replacement and disassembly are changed, the traditional method that accessories such as springs, pins and sleeves are scattered when the replacement, the maintenance and the disassembly are carried out is changed, the rapid assembly, disassembly and replacement effect is achieved in an assembly mode, the advantages that the actual length of a lock cylinder is increased and decreased to correspond to different door thicknesses are achieved, the door bodies are conveniently matched according to the increase and decrease of the first growing mechanism 3 and the second growing mechanism 5 with different thicknesses, the operation is simple, no broken parts exist, the follow-up random increase and decrease adaptation is convenient, and meanwhile the assembly, the disassembly, the replacement and the maintenance operation of people are facilitated.
A lock includes a lock cylinder extension.
Example 2:
the difference from embodiment 1 is that a state in which the length is not increased is shown in fig. 11;
at this time, the installation mode is assembled and fixed in a bolting mode, and the concrete steps are as follows:
The first mounting sleeve 41 is directly sleeved outside the left base 21, then the first shell 44 is sleeved outside the first connecting rod 43 together with the first inner core 45, the third bolt 42 is taken out, and the third bolt 42 sequentially penetrates through the first mounting sleeve 41 and the left first joint 22 and extends to the inside of the first shell 44 to be fixed with the first joint, so that the effect of fixing and locking after connection is achieved;
The right side is directly sleeved with the second mounting sleeve 61 outside the right side first joint 22, then the second shell 64 is placed outside the second mounting sleeve 61 and the second connecting rod 63 together with the second inner core 65, and the second shell 64 sequentially penetrates through the second mounting sleeve 61 and the third joint 52 through the first bolt 62 and extends to the inside of the second shell 64 to be fixed with the second shell;
The lock core adopted in the embodiment is a lock core with no length added, so that the lock core can adapt to a conventional door body, and the lock core adopted for the door bodies with different thicknesses can be adapted in the mode of the embodiments 1 and 3.
Example 3:
the difference from embodiments 1 and 2 is that a state of growing different lengths thick is shown in fig. 11;
the thickness of the first growing mechanism 3 adopted in the embodiment 1 is 10mm, as shown in fig. 12, and the specific installation, disassembly and replacement modes of the first growing mechanism 3 with the thickness of 10mm adopted in the embodiment are the same as those of the embodiment 1, and the first growing mechanism 3 is increased or decreased in an increasing and decreasing mode, so that the first growing mechanism is used for adapting to door bodies with corresponding thicknesses, and the first growing mechanism 3 can be suitable for door bodies with different thicknesses based on the lock cylinders with different lengths;
The thickness of the second growth mechanism 5 adopted in this embodiment is 7.5mm, and the mounting, dismounting and replacing modes are the same as those in the above embodiment 1, and the addition and reduction modes are adopted to increase and decrease the usage, so that the second growth mechanism is used for adapting to door bodies with corresponding thicknesses, and the lock cylinders with different lengths can be suitable for door bodies with different thicknesses based on the above.
Through the three groups of embodiments, the lock cylinders can be assembled in a reducing mode, and the lengths of the lock cylinders can be adjusted according to actual requirements so as to be used for adapting door panels with different thicknesses, while in the embodiment 1, the lock cylinders with the increased lengths are adopted, wherein 7.5mm connectors are actually required to be added at the left side part, and 10mm connectors are actually required to be added at the right side part;
The lock core in the original state without increasing the length adopted in the embodiment 2 can be suitable for the door plate with the conventional thickness, and is also convenient to install and disassemble, is beneficial to subsequent increase, decrease and replacement operations, and is also convenient for people to use and operate;
the mode that adopts in real-time 3 is the lock core after growing, is different from in real-time 1, and its left side adopts 10mm connecting piece to grow, and the right side adopts 7.5mm thick connecting piece to increase required length all can, so that reach and assemble the lock core through increasing the mode that reduces as above, and can be according to the length of actually needing the adjustment lock core, thereby be used for adapting different thickness door bodies.
In addition, the door is not limited to the connectors with the lengths of 7.5mm and 10mm for matching, and the connectors with the thicknesses of 7.5mm and 5mm, 7.5mm and 15mm, 7.5mm and 20mm, 10mm and 5mm, 10mm and 15mm, 10mm and 20mm and the like can be used together, and the connectors with any thickness can be combined for matching, so that the door can be suitable for doors with different thicknesses, including the combination mode but not limited to the combination mode.
The present invention includes the use of the three sets of embodiments described above but is not limited to only the three sets of embodiments described above.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411979621.9A CN119777645B (en) | 2024-12-31 | 2024-12-31 | Lock cylinder extension piece and lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411979621.9A CN119777645B (en) | 2024-12-31 | 2024-12-31 | Lock cylinder extension piece and lock |
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| Publication Number | Publication Date |
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| CN119777645A CN119777645A (en) | 2025-04-08 |
| CN119777645B true CN119777645B (en) | 2026-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202411979621.9A Active CN119777645B (en) | 2024-12-31 | 2024-12-31 | Lock cylinder extension piece and lock |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209261393U (en) * | 2018-08-17 | 2019-08-16 | 江阴东方港晟金属制品有限公司 | A kind of length adjustable mortise door lock |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2714308C (en) * | 2009-09-02 | 2017-11-21 | Camlock Systems Limited | Locking device |
| CN204299299U (en) * | 2014-11-18 | 2015-04-29 | 张余靖 | A kind of lock core bindiny mechanism |
| DE102015002217B4 (en) * | 2015-02-20 | 2022-06-23 | Claudia Meister | Lock cylinder with adjustable length |
| CN205713495U (en) * | 2016-05-25 | 2016-11-23 | 陈方雄 | A kind of lock core structure |
| CN215108048U (en) * | 2021-01-25 | 2021-12-10 | 深圳市海月云科技有限公司 | Lock core with adjustable length |
| CN217925322U (en) * | 2022-05-19 | 2022-11-29 | 中山市家护五金制品有限公司 | Freely-connected lock cylinder with length change and lock thereof |
| CN219491962U (en) * | 2023-04-17 | 2023-08-08 | 江苏荣昌锁业有限公司 | A lock cylinder with adjustable length |
| CN220747933U (en) * | 2023-09-07 | 2024-04-09 | 温州市远胜五金有限公司 | Length-adjustable lock cylinder |
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- 2024-12-31 CN CN202411979621.9A patent/CN119777645B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209261393U (en) * | 2018-08-17 | 2019-08-16 | 江阴东方港晟金属制品有限公司 | A kind of length adjustable mortise door lock |
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