CN216921707U - Technical-unlocking-preventing lock cylinder and key thereof - Google Patents
Technical-unlocking-preventing lock cylinder and key thereof Download PDFInfo
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- CN216921707U CN216921707U CN202220566694.5U CN202220566694U CN216921707U CN 216921707 U CN216921707 U CN 216921707U CN 202220566694 U CN202220566694 U CN 202220566694U CN 216921707 U CN216921707 U CN 216921707U
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- 230000002265 prevention Effects 0.000 claims abstract description 9
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- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 abstract description 5
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- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model relates to a technical opening prevention lock core, which comprises a lock shell and a lock liner, wherein the lock liner is arranged in a lock liner hole of the lock shell, a key hole is arranged in the lock liner, a spring assembly is arranged between the lock liner and the lock shell, the spring assembly extends into the key hole, two rows of side bead holding holes and two transverse grid grooves which are arranged corresponding to opposite sides of the two rows of side bead holding holes are formed in the surface of the lock liner, the side bead holding holes and the transverse grid grooves are communicated with the key hole, an outer spring transverse grid is longitudinally arranged in one transverse grid groove in a sliding manner, an inner spring transverse grid is longitudinally arranged in the other transverse grid groove in a sliding manner, elastic reset side beads are respectively arranged in the side bead holding holes of one row corresponding to the inner spring transverse grid, elastic reset side beads are respectively arranged in the side bead holding holes of the other row corresponding to the outer spring transverse grid, the other part of the side bead holding holes are provided with spring-free side beads, the spring-free side bead design of the structure prevents the technology such as picking and the like from having hand feeling or regular feeling, the key has large quantity of keys and good anti-theft performance.
Description
Technical Field
The utility model relates to the field of lock cylinders, in particular to a lock cylinder capable of preventing technical unlocking and a key thereof.
Background
Most lock cylinders in the current market cannot be technically opened and cannot play a role in preventing theft. Especially, in recent years, the unlocking technology is continuously developed, and the lock core is generally unlocked for several seconds. In addition, the lock cylinder locking structure in the current market is simple, for example, the lock cylinder with the blade and the side column is locked by the side column, and the lock cylinders with the upper ball and the lower ball are locked by the flat balls, so that a master key is easily manufactured after batch production, and even the lock cylinder passing the C-level authentication of the ministry of public security is easily opened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems and provides a technical unlocking prevention lock cylinder and a key thereof, which have simple and reasonable structures and mainly have the functions of preventing the unlocking of technologies such as picking and the like from having hand feeling or regular feeling, ensuring that the key amount is large and improving the anti-theft performance of the lock cylinder.
The utility model provides a prevent that technique opens lock core, includes lock shell and lock courage, the lock courage hole of lock shell is arranged in to the lock courage, be provided with the key hole in the lock courage, be equipped with bullet subassembly between lock courage and the lock shell, bullet subassembly stretches into in the key hole, two rows of side pearl holding holes and two horizontal bars grooves that correspond two rows of side pearl holding hole offsides and set up are seted up to the surface of lock courage, side pearl holding hole and horizontal bars groove and key hole intercommunication, a horizontal bars inslot longitudinal sliding is provided with outer bullet horizontal bars, and another horizontal bars inslot longitudinal sliding is provided with the horizontal bars of bullet, wherein all embeds the elasticity in the one row of side pearl holding hole that corresponds the horizontal bars of bullet and resets the side pearl, and another row of side pearl holding hole part that corresponds the horizontal bars of outer bullet is built-in to have the side pearl of having elasticity to reset, and another part embeds there is not spring side pearl.
The aim of the utility model can also be solved by the following technical measures:
more specifically, the elastic reset side ball comprises a transverse thrust spring and a side ball, and the side ball is passively displaced along the side ball containing hole in a one-way mode through the transverse thrust spring; the springless side ball is composed of a side ball, and the side ball moves along the side ball holding hole in a bidirectional passive mode.
As a further scheme, the two transverse grid grooves comprise short transverse grid grooves, medium grooves are formed in two ends of each short transverse grid groove, transverse grid mesons are arranged in the medium grooves, the inner elastic transverse grids are locked in the short transverse grid grooves through the transverse grid mesons, and inner elastic thrust springs are arranged between the inner elastic transverse grids and the transverse grid mesons; the inner wall of the lock liner hole is provided with a transverse grid locking groove with a dovetail structure corresponding to the inner elastic transverse grid.
As a further scheme, the two transverse grid grooves comprise long transverse grid grooves, the outer elastic transverse grid is arranged in the long transverse grid grooves, outer elastic thrust springs are arranged at two ends of each long transverse grid groove, and the outer elastic thrust springs are arranged between the outer elastic transverse grid and the key hole; the inner wall of the lock liner hole is provided with a transverse grid locking groove with a V-shaped structure corresponding to the outer elastic transverse grid.
As a further scheme, the side marble comprises a steel ball body, one side of the steel ball body, which faces the key hole, is provided with a side marble foot, the steel ball body corresponding to the outer marble transverse grid is provided with a square locking groove which is in locking fit with the outer marble transverse grid, and the steel ball body corresponding to the inner marble transverse grid is provided with a V-shaped locking groove which is in locking fit with the inner marble transverse grid.
As a further scheme, a lock shell anti-drilling pin inserted in the lock shell is arranged on the lock shell, and two lock core anti-drilling pins are arranged at the front end of the lock core close to the key hole; two lock courage anti-drilling pins set up the upper and lower both sides at the lock courage.
According to a further scheme, the marble component comprises a special-shaped hanging bead, a flat bead, a bead spring and a sealing bead, a hanging bead through hole communicated with a key hole is formed in the lock liner, the special-shaped hanging bead is movably arranged in the hanging bead through hole, a flat bead through hole is formed in the lock shell corresponding to the hanging bead through hole, the flat bead, the bead spring and the sealing bead are arranged in the flat bead through hole and are sequentially located between the inner end and the outer end of the flat bead through hole, the flat bead is in sliding fit with the flat bead through hole, and the sealing bead is in interference fit with the flat bead through hole.
As a further scheme, each row of side bead holding holes comprises two or more side bead holding holes, the number of the two rows of side bead holding holes is the same or different, at least one spring-free side bead is arranged in each row of side bead holding holes, and the number of the spring-free side beads arranged in the two rows of side bead holding holes is the same or different.
As a further scheme, a groove is formed in the lock shell, a lock cylinder pulling lug coaxially connected with the lock cylinder is rotatably arranged on the groove, and a lock cylinder transmission key connected with the lock cylinder is arranged at a tail end port of the lock cylinder hole; and the lock cylinder transmission key are provided with a meson for locking and connecting with the lock cylinder puller.
A key comprises a key body, wherein two snake-shaped grooves used for triggering side ball legs are formed in the side face of the key body, one ends of the two snake-shaped grooves are opened and lead to the other end of the key body, and a spring groove used for triggering a spring assembly is formed between the two snake-shaped grooves.
The utility model has the following beneficial effects:
1. according to the technical opening prevention lock cylinder with the structure, the inner bullet transverse grid, the outer bullet transverse grid and the two corresponding rows of side balls are controlled to be opened and closed, all the side balls can be unlocked only by aligning at the same time, and one or more spring-free side balls are arranged at any position of one row of side balls corresponding to the outer bullet transverse grid, so that the technical opening such as picking is prevented from having hand feeling or regular feeling.
2. The technical unlocking prevention lock cylinder adopts the combination of the special-shaped hanging bead, the two rows of side surface spring beads, the inner spring transverse grid and the outer spring transverse grid, so that the key amount is large, and the anti-theft performance is good.
3. According to the technical-unlocking-preventing lock core, the lock shell is provided with the lock-shell anti-drilling pin, and the lock liner is provided with the two lock-liner anti-drilling pins, so that the lock core is prevented from being damaged by an electric drill.
4. The locking mode of the lock cylinder is as follows: the special-shaped hanging bead is locked up and down, the outer elastic transverse grid is locked in a side column mode, and technical opening modes such as opening by a master key, picking and opening, opening by tinfoil, opening by a vibration gun and the like are avoided.
5. The key processing technology is complex, the precision requirement is high, the key is difficult to copy in the market, and the safety of users is ensured.
Drawings
Fig. 1 is an exploded view of the lock cylinder of the present invention.
Fig. 2 is a schematic structural view of the lock core of the present invention.
FIG. 3 is a schematic view of the present invention showing two rows of side balls simultaneously open.
FIG. 4 is a schematic diagram of the cross-gate meson structure of the present invention.
FIG. 5 is a schematic view of the structure of the side marble of the present invention.
Fig. 6 is a schematic side view of the inner elastic transverse grid according to the present invention.
Fig. 7 is a schematic view of the key structure of the present invention.
FIG. 8 is a schematic view of the present invention showing two rows of side marbles closed simultaneously.
FIG. 9 is a schematic view of the springless side bead of the present invention in an open position.
Fig. 10 is a schematic view of the springless side bead closed state of the present invention.
FIG. 11 is a schematic view showing the side marble and the shaped hanging marble of the present invention in an open state simultaneously.
FIG. 12 is a schematic view of the side marble and the shaped hanging marble of the present invention in a closed state at the same time.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 7, the technical unlocking prevention lock core comprises a lock shell 1 and a lock core 2, wherein the lock core 2 is arranged in a lock core hole 101 of the lock shell 1, a key hole 201 is arranged in the lock liner 2, a spring component A is arranged between the lock liner 2 and the lock shell 1, the spring component A extends into the key hole 201, two rows of side bead holding holes 205 and two transverse grid grooves corresponding to the opposite sides of the two rows of side bead holding holes 205 are arranged on the surface of the lock core 2, the side bead holding holes 205 and the transverse grid grooves are communicated with the key hole 201, an outer elastic transverse grid 3 is longitudinally and slidably arranged in one transverse grid groove, an inner elastic transverse grid 4 is longitudinally and slidably arranged in the other transverse grid groove, wherein elastic reset side beads B are arranged in the row of side bead accommodating holes 205 corresponding to the inner elastic transverse grid 4, an elastic reset side ball B is arranged in a part of the other row of side ball containing holes 205 corresponding to the outer elastic transverse grid 3, and a spring-free side ball C is arranged in the other part; the design of the spring-free side bead C of the structure prevents the unlocking and other technologies from having hand feeling or regular feeling, the key amount is large, and the anti-theft performance is good.
The elastic reset side ball B comprises a transverse thrust spring 5 and a side ball 6, and the side ball 6 is passively displaced in a single direction along the side ball containing hole 205 through the transverse thrust spring 5; when the key is inserted into the keyhole 201, the side marble 6 is passively displaced by the axial thrust of the key (i.e. the serpentine groove 2001 cooperates with the side marble leg 602 of the side marble 6), and when the key is withdrawn, it is completely restored under the action of the transverse thrust spring 5; the springless side ball C consists of a side ball 6, and the side ball 6 is passively displaced in two directions along the side ball containing hole 205; the main difference between the springless side bead C and the elastic return side bead B is that the springless side bead C has no transverse thrust spring 5, the bidirectional displacement distance is completely caused by the insertion or extraction of the key, and the snake-shaped groove 2001 in the key pushes, thereby realizing the passive displacement.
The two transverse grid grooves comprise a short transverse grid groove 202, meson grooves 2021 are formed in two ends of the short transverse grid groove 202, transverse grid mesons 7 are arranged in the meson grooves 2021, the inner elastic transverse grid 4 is locked in the short transverse grid groove 202 through the transverse grid mesons 7, an inner elastic thrust spring 8 is arranged between the inner elastic transverse grid 4 and the transverse grid mesons 7, and the inner elastic transverse grid 4 elastically displaces towards the direction of the key hole 201 by the structure; the inner wall of the lock liner hole 101 is provided with a dovetail-structured transverse grid locking groove 9 corresponding to the inner elastic transverse grid 4.
Interior bullet horizontal bars 4 includes horizontal bars body 401, horizontal bars body 401 corresponds the horizontal bars locking groove 9 setting of forked tail structure at forked tail upper portion 402, forked tail upper portion 402 and horizontal bars locking groove 9 locking cooperation.
In addition, the cross bar meson 7 comprises a straight plate lower part 701 and a bent upper part 702 which is obliquely arranged relative to the straight plate lower part 701, when the cross bar meson 7 is assembled to the meson groove 2021, the meson groove 2021 presses the bent upper part 702 to be bent straight, so that the bent upper part 702 elastically abuts against the meson groove 2021, and locking is achieved.
The two transverse grid grooves comprise long transverse grid grooves 203, the outer elastic transverse grid 3 is arranged in the long transverse grid grooves 203, two ends of each long transverse grid groove 203 are provided with outer elastic thrust springs 10, the outer elastic thrust springs 10 are arranged between the outer elastic transverse grid 3 and the key hole 201, and the structure enables the outer elastic transverse grid 3 to elastically displace relative to the outer side of the lock cylinder 2; the inner wall of the lock liner hole 101 is provided with a transverse grid locking groove 9 with a V-shaped structure corresponding to the outer elastic transverse grid 3.
The bottom of the outer elastic transverse grid 3 is V-shaped or arched or conical, so that the corresponding transverse grid locking groove 9 is of a V-shaped structure.
And the bottoms of the two ends of the inner missile transverse grid 4 and the outer missile transverse grid 3 are provided with emptying notches 41 and 31, and one end of the inner missile thrust spring 8 or one end of the outer missile thrust spring 10 is arranged in the emptying notches 41 and 31 to realize positioning.
The side marble 6 comprises a steel ball body 601, one side of the steel ball body 601 facing the key hole 201 is provided with a side marble foot 602, the steel ball body 601 corresponding to the outer marble transverse grid 3 is provided with a square locking groove 603 matched with the outer marble transverse grid 3 in a locking manner, and the steel ball body 601 corresponding to the inner marble transverse grid 4 is provided with a V-shaped locking groove 604 matched with the inner marble transverse grid 4 in a locking manner.
The bottom of the inner transverse grid 4 is in a conical structure corresponding to the V-shaped locking groove 604, and the top of the outer transverse grid 3 is in a square structure corresponding to the square locking groove 603.
The lock shell 1 is provided with a lock shell anti-drilling pin 11 inserted into the lock shell 1, and the lock cylinder 2 is provided with two lock cylinder anti-drilling pins 12 close to the front end of the key hole 201; two lock courage anti-drilling pins 12 set up the upper and lower both sides at lock courage 2, prevent that the electric drill from destroying the lock core.
The spring component A comprises a special-shaped hanging bead 13, a flat bead 14, a bead spring 15 and a sealing bead 16, a hanging bead through hole 204 communicated with a key hole 201 is formed in the lock cylinder 2, the special-shaped hanging bead 13 is movably arranged in the hanging bead through hole 204, a flat bead through hole 102 is formed in the lock shell 1 corresponding to the hanging bead through hole 204, the flat bead 14, the bead spring 15 and the sealing bead 16 are arranged in the flat bead through hole 102 and are sequentially located between the inner end and the outer end of the flat bead through hole 102, the flat bead 14 is in sliding fit with the flat bead through hole 102, and the sealing bead 16 is in interference fit with the flat bead through hole 102.
The lock core is locked up and down through the special-shaped hanging beads 13 and the flat beads 14, the outer marble transverse grid 3, the inner marble transverse grid 4 and the side marble 6 are locked and matched to jointly control the opening and closing of the lock core, the special-shaped hanging beads 13, the two rows of side marble 6, the outer marble transverse grid 3 and the inner marble transverse grid 4 are combined, the key amount is large, and the anti-theft performance is good.
Each row of the side bead holding holes 205 comprises two or more side bead holding holes 205, the number of the two rows of the side bead holding holes 205 is the same or different, at least one spring-free side bead C is arranged in each row of the side bead holding holes 205, and the number of the spring-free side beads C arranged in the two rows of the side bead holding holes 205 is the same or different.
A groove 103 is formed in the lock shell 1, a lock cylinder pull-out lug 17 which is coaxially connected with the lock cylinder 2 is rotatably arranged on the groove 103, and a lock cylinder transmission key 18 which is connected with the lock cylinder 2 is arranged at a tail end port of the lock cylinder hole 101; the lock core 2 and the lock core transmission key 18 are provided with a meson 19 used for locking and connecting with the lock core pulling lug 17; the positions of the lock cylinder 2 and the lock cylinder transmission key 18 are locked through the meson 19.
A key comprises a key body 20, wherein two snake-shaped grooves 2001 for triggering side ball legs are arranged on the side surface of the key body 20, one ends of the two snake-shaped grooves 2001 are opened and lead to the other end of the key body 20, and a ball groove 2002 for triggering a ball assembly A is arranged between the two snake-shaped grooves 2001.
The lock core is implemented specifically:
the starting principle is as follows: referring to fig. 3, 9 and 11, three schematic diagrams of the open state are shown, (1) when a correct key is inserted into the cylinder 2, the key drives the special-shaped hanging bead 13, and the top of the special-shaped hanging bead 13 is flush with the outer circle of the cylinder 2. (2) The key drives the lateral marble 6 corresponding to the outer marble transverse grid 3 and the inner marble transverse grid 4, so that the square locking groove 603 and the V-shaped locking groove 604 of the lateral marble 6 are aligned with the outer marble transverse grid 3 and the inner marble transverse grid 4, and the shearing force of the key can force the outer marble transverse grid 3 and the inner marble transverse grid 4 to retract into the lock liner 2. After all the lock core structures are unlocked, the key can be rotated to open the lock core.
The closing principle is as follows: referring to fig. 8, 10 and 12, three schematic diagrams of the open state are shown, when a key is pulled out or a foreign object is unlocked, the shaped hanging bead 13 is pressed into the key hole 201 of the cylinder 2 under the action of the flat bead 14, and the flat bead 14 locks the lock case 1 to prevent rotation. The horizontal bars of outer bullet 3 and interior bullet 4 reset under the effect of two rows of side marble 6 that correspond, and the square locking groove 603 and the V type locking groove 604 of side marble 6 are misplaced with the horizontal bars of outer bullet 3 and the horizontal bars of interior bullet 4, prevent that the horizontal bars of outer bullet 3 and interior bullet 4 from pinning lock shell 1 in retracting lock courage 2, and then prevent that lock courage 2 from rotating. All the locking devices are independently locked, and as long as one locking device is not released, the lock cylinder 2 cannot be opened, and the lock cylinder is in a closed state.
The foregoing is a preferred embodiment of the present invention, and the basic principles, main features and advantages of the present invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a prevent that technique opens lock core, includes lock shell and lock courage, the lock courage hole of lock shell is arranged in to the lock courage, be provided with the key hole in the lock courage, be equipped with the bullet subassembly between lock courage and the lock shell, the bullet subassembly stretches into in the key hole, its characterized in that: two rows of side pearl holding holes and two horizontal bars grooves that correspond two rows of side pearl holding holes offside and set up are seted up on the surface of lock courage, side pearl holding hole and horizontal bars groove and key hole intercommunication, and a horizontal bars inslot longitudinal sliding is provided with outer bullet horizontal bars, and another horizontal bars inslot longitudinal sliding is provided with interior bullet horizontal bars, wherein correspond and all to be built-in the elasticity side pearl of reseing in one row of side pearl holding holes of interior bullet horizontal bars, correspond that another row of side pearl of outer bullet horizontal bars holds and keeps the downthehole part to embed elasticity and reset the side pearl, another part embeds there is no spring side pearl.
2. The technical opening prevention lock cylinder according to claim 1, characterized in that: the elastic reset side ball comprises a transverse thrust spring and a side marble, and the side marble is driven to move along the side marble containing hole in a one-way mode through the transverse thrust spring; the springless side ball is composed of a side ball, and the side ball moves along the side ball holding hole in a bidirectional passive mode.
3. The technical unlocking prevention lock cylinder as claimed in claim 1, wherein; the two transverse grid grooves comprise short transverse grid grooves, medium grooves are formed in the two ends of each short transverse grid groove, transverse grid mesons are arranged in the medium grooves, the inner elastic transverse grids are locked in the short transverse grid grooves through the transverse grid mesons, and inner elastic thrust springs are arranged between the inner elastic transverse grids and the transverse grid mesons; the inner wall of the lock liner hole is provided with a transverse grid locking groove with a dovetail structure corresponding to the inner elastic transverse grid.
4. A technical tamper resistant lock cylinder according to claim 1, characterized in that; the two transverse grid grooves comprise long transverse grid grooves, the outer elastic transverse grid is arranged in the long transverse grid grooves, outer elastic thrust springs are arranged at two ends of each long transverse grid groove, and the outer elastic thrust springs are arranged between the outer elastic transverse grid and the key hole; the inner wall of the lock liner hole is provided with a transverse grid locking groove with a V-shaped structure corresponding to the outer elastic transverse grid.
5. A technical tamper resistant lock cylinder according to claim 2, characterized in that; the side marble comprises a steel ball body, one side of the steel ball body, facing the key hole, is provided with a side marble foot, the steel ball body corresponding to the outer marble transverse grid is provided with a square locking groove matched with the locking of the outer marble transverse grid and a V-shaped locking groove matched with the locking of the inner marble transverse grid.
6. The technical opening prevention lock cylinder according to claim 1, characterized in that: the lock shell is provided with a lock shell anti-drilling pin which is inserted into the lock shell, and the lock cylinder is provided with two lock cylinder anti-drilling pins close to the front end of the key hole; two lock courage anti-drilling pins set up the upper and lower both sides at the lock courage.
7. A technical tamper resistant lock cylinder according to claim 1, characterized in that; the ball component comprises a special-shaped hanging ball, a flat ball, a ball spring and a sealing ball, wherein a hanging ball through hole communicated with a key hole is formed in the lock liner, the special-shaped hanging ball is movably arranged in the hanging ball through hole, the lock shell is correspondingly provided with a flat ball through hole, the flat ball, the ball spring and the sealing ball are arranged in the flat ball through hole and are sequentially located between the inner end and the outer end of the flat ball through hole, the flat ball is in sliding fit with the flat ball through hole, and the sealing ball is in interference fit with the flat ball through hole.
8. A technical tamper resistant lock cylinder according to claim 1, characterized in that; each row of side bead holding holes comprises two or more side bead holding holes, the number of the two rows of side bead holding holes is the same or different, at least one spring-free side bead is arranged in each row of side bead holding holes, and the number of the spring-free side beads arranged in the two rows of side bead holding holes is the same or different.
9. The technical opening prevention lock cylinder according to claim 1, characterized in that: a groove is formed in the lock shell, a lock cylinder pulling lug coaxially connected with the lock cylinder is rotatably arranged on the groove, and a lock cylinder transmission key connected with the lock cylinder is arranged at a tail end port of the lock cylinder hole; and the lock cylinder transmission key are provided with a meson for locking and connecting with the lock cylinder puller.
10. A key according to claim 5, comprising a key body, wherein the side of the key body is provided with two serpentine grooves for activating the side ball legs, one end of each serpentine groove is open and leads to the other end of the key body, and a spring groove for activating the spring assembly is provided between the two serpentine grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220566694.5U CN216921707U (en) | 2022-03-15 | 2022-03-15 | Technical-unlocking-preventing lock cylinder and key thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220566694.5U CN216921707U (en) | 2022-03-15 | 2022-03-15 | Technical-unlocking-preventing lock cylinder and key thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216921707U true CN216921707U (en) | 2022-07-08 |
Family
ID=82226435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220566694.5U Active CN216921707U (en) | 2022-03-15 | 2022-03-15 | Technical-unlocking-preventing lock cylinder and key thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216921707U (en) |
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2022
- 2022-03-15 CN CN202220566694.5U patent/CN216921707U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231019 Address after: 528400 Xinhua Road No. 8-2, Sanjiao Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Huangding Technology Co.,Ltd. Address before: 528445 No. 8, Xinhua Road, Sanjiao Town, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN ROYALWAND HARDWARE Co.,Ltd. |
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| TR01 | Transfer of patent right |