CN211173485U - Lock locking mechanism and lock thereof - Google Patents
Lock locking mechanism and lock thereof Download PDFInfo
- Publication number
- CN211173485U CN211173485U CN201921382215.9U CN201921382215U CN211173485U CN 211173485 U CN211173485 U CN 211173485U CN 201921382215 U CN201921382215 U CN 201921382215U CN 211173485 U CN211173485 U CN 211173485U
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- clutch shaft
- rotating block
- lock
- locking
- clutch
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Abstract
The embodiment of the utility model relates to a lock locking mechanism and a lock thereof, wherein the lock locking mechanism comprises a shell, a motor, a clutch shaft reset piece and a rotating block; the shell is enclosed to form an installation cavity for accommodating the motor, the clutch shaft reset piece and the rotating block; the motor drives the clutch shaft to rotate in the positive and negative directions; the clutch shaft is switchable between an engaging position and a disengaging position in a manner of being movable up and down; the clutch shaft resetting piece is used for providing elastic force for the clutch shaft to move from the separation position to the engagement position; the rotating block is rotatably arranged in the shell; when the clutch shaft is in the engaging position, the rotating block can be driven to rotate, so that the rotating block is switched between the unlocking position and the locking position; when the rotating block rotates to the unlocking position or the locking position, the clutch shaft is located at the separation position, the clutch shaft continues to rotate in the same direction and does not drive the rotating block to rotate any more, and the rotating block is kept at the unlocking position or the locking position. The lock locking mechanism can prevent the motor from being locked.
Description
Technical Field
The utility model belongs to the technical field of the tool to lock, concretely relates to tool to lock blocked mechanical system and tool to lock thereof.
Background
At present, a common electromechanical lock cylinder in the market is an electromechanical lock cylinder which is locked and unlocked by a speed reduction motor driving a locking mechanism to move. The locking mechanism generally controls the rotation time of the gear motor to control the rotation angle of the unlocking part, so as to realize the rotation locking of the gear motor. The gear motor of electromechanical lock core takes place the stalling and will make motor load current increase, leads to gear motor overheated burnout, and then leads to unblock or shutting failure, in industry, electric power etc. to the high field of safety prevention and control requirement, causes great incident easily, causes huge loss of property, brings life danger even for operating personnel. Therefore, there is a need in the art for a lock latch mechanism that prevents stalling of the speed reduction motor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an embodiment of the present invention provides a lock locking mechanism, which includes a housing, a motor, a clutch shaft reset member, and a rotation block;
the shell is enclosed to form an installation cavity for accommodating the motor, the clutch shaft reset piece and the rotating block;
the motor is in driving connection with the clutch shaft and can drive the clutch shaft to rotate in the positive and negative directions;
the clutch shaft is switchable between an engaging position and a disengaging position in a manner of being movable up and down;
the clutch shaft resetting piece is used for providing elasticity for the clutch shaft to move from the separation position to the engagement position;
the rotating block is rotatably arranged in the shell; when the clutch shaft is in the engaging position, the rotating block can be driven to rotate, so that the rotating block is switched between the unlocking position and the locking position; when the rotating block rotates to the unlocking position or the locking position, the clutch shaft is located at the separation position, the clutch shaft continues to rotate in the same direction and does not drive the rotating block to rotate any more, and the rotating block is kept at the unlocking position or the locking position.
Further, a guide boss protruding toward the mounting cavity in the housing is provided on the inner wall of the housing, and the clutch shaft can move from the engagement position to the disengagement position under the urging of the guide boss.
Further, the clutch shaft is provided with a clutch boss protruding out of the side wall of the clutch shaft, and the lower surface of the guide boss can be intermittently abutted against the upper surface of the clutch boss.
Furthermore, the two guide bosses are oppositely arranged on the inner wall of the shell; the clutch bosses are two and are oppositely arranged on two sides of the clutch shaft.
Further, a first protruding portion is arranged on the clutch shaft, a second protruding portion is arranged on the rotating block, and the first protruding portion of the clutch shaft can be intermittently driven to abut against the second protruding portion, so that the rotating block is driven to rotate.
Further, the number of the first protruding portions is two, the two first protruding portions are arranged oppositely, the number of the second protruding portions is two, and the two second protruding portions are arranged oppositely.
Further, the first protruding portion protrudes upward from the upper surface of the clutch shaft, the second protruding portion protrudes downward from the lower surface of the rotating block, and the clutch shaft is located at the separation position.
Furthermore, the rotating block is provided with a limiting part, the shell is provided with a limiting mechanism, and the limiting mechanism is in limiting fit with the limiting part to enable the rotating block to rotate within a preset angle range.
Further, tool to lock blocked mechanical system still includes the pivot, the drive shaft drive of motor is connected the pivot, the separation and reunion axle can overlap on the pivot with reciprocating.
Furthermore, the clutch shaft reset piece is a spring, one end of the spring is abutted against the rotating shaft, and the other end of the spring is abutted against the clutch shaft.
The embodiment of the utility model provides a still provide a tool to lock, including one of the aforementioned tool to lock blocked mechanical system and locking mechanical system, when tool to lock blocked mechanical system's turning block rotated, locking mechanical system can switch between unblock position and shutting position, realizes the unblock and the shutting of tool to lock.
The utility model discloses beneficial effect of embodiment: the lock locking mechanism provided by the embodiment of the utility model has simple and reliable structure, and can prevent the motor from stalling; and this tool to lock blocked mechanical system is as a whole with each part integration in the shell, and the commonality is strong, can be used for the tool to lock of different grade type.
Drawings
Fig. 1 is an exploded perspective view of a lock locking mechanism according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a turning block of a locking mechanism of a lock according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a lock latch mechanism in an engaged position according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a position relationship between the clutch shaft and the rotation block when the locking mechanism of the lock according to the embodiment of the present invention is in the engaged position.
Fig. 5 is a cross-sectional view of a lock latch mechanism according to an embodiment of the present invention in a disengaged position.
Fig. 6 is a schematic diagram of a position relationship between a clutch shaft and a rotating block when a locking mechanism of a lock according to an embodiment of the present invention is in a disengaged position.
Fig. 7 is a cross-sectional view of a lock latch mechanism according to an embodiment of the present invention in another disengaged position.
Fig. 8 is a schematic view of a clutch shaft and a rotation block when the locking mechanism of the lock according to the embodiment of the present invention is in another disengaged position.
Fig. 9 is a sectional view of the lock according to the embodiment of the present invention in a locked state.
Fig. 10 is a structural sectional view of the lock according to the embodiment of the present invention in an unlocked state.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the present invention is not limited to the drawings and the following embodiments.
Lock locking mechanism
Referring to fig. 1-8, the present embodiment provides a latch locking mechanism 100 including a housing 110, a motor 160, a clutch shaft 130 reset member 150, and a turning block 140.
The housing 110 encloses to form a mounting cavity for accommodating the motor 160, the clutch shaft 130 resetting piece 150 and the rotating block 140; in one embodiment, the housing 110 includes a first half shell and a second half shell, which are snap-connected to define a mounting cavity; the housing 110 is further provided with a motor 160 limiting groove 112 for fixedly mounting the motor 160.
The motor 160 is connected to the clutch shaft 130 to drive the clutch shaft 130 to rotate in both forward and reverse directions. The motor 160 is fixedly disposed in the limiting groove 112 of the housing 110, preferably, the motor 160 is a speed reduction motor 160, and an output shaft of the speed reduction motor 160 can rotate in forward and reverse directions.
Clutch shaft
The clutch shaft 130 is rotatable by a motor 160 and is switchable between a disengaged position and an engaged position in a manner of being movable up and down. In one embodiment, the clutch shaft 130 is movably fitted over a driving shaft of the motor 160 up and down; in another embodiment, the lock latch mechanism further includes a rotating shaft 120, a driving shaft of the motor 160 is drivingly connected to the rotating shaft 120, and the clutch shaft 130 is movably sleeved on the rotating shaft 120 in an up-and-down manner. Accordingly, the clutch shaft 130 can be rotated in both forward and reverse directions by the motor 160, and when rotated in one direction, the rotating block 140 is driven to rotate to the unlock position, and when rotated in the other direction, the rotating block 140 is driven to rotate to the lock position.
In one embodiment, the inner wall of the housing 110 has one or more guide bosses 111 protruding into the housing 110, and preferably, two guide bosses 111 are oppositely disposed on the inner wall of the housing 110.
The clutch shaft 130 is movable downward, i.e., from the engaged position to the disengaged position, under the urging of the guide boss 111. In one embodiment, the clutch shaft 130 has a clutch boss 131 protruding a sidewall thereof, and an upper surface of the clutch boss 131 and a lower surface of the guide boss 111 can intermittently abut, so that the clutch shaft 130 can move downward by being pressed by the guide boss 111. The clutch boss 131 and the guide boss 111 are not continuously in contact but in a disengaged state during the relative movement, and are thus referred to as intermittent contact. The number of the clutch bosses 131 may be one or more, preferably, the number of the clutch bosses 131 is two, and the clutch bosses 131 are oppositely disposed at two sides of the clutch shaft 130, and more preferably, the clutch bosses 131 are symmetrically disposed at two sides of the clutch shaft 130 with respect to a rotation axis of the clutch shaft 130, and the clutch shaft 130 can be prevented from inclining due to the symmetrical arrangement, so that the structure is more stable.
The clutch shaft 130 is provided with first protrusions 132, and preferably, there are two first protrusions 132, and the two first protrusions 132 are opposite to each other. Preferably, the first protrusion 132 protrudes upward from the upper surface of the clutch shaft 130.
Clutch shaft reset piece
The clutch shaft returning member 150 is for providing a spring force for moving the clutch shaft 130 from the disengaged position to the engaged position. In one embodiment, the clutch shaft returning member 150 is a spring, and is disposed between the rotating shaft 120 and the clutch shaft 130, and one end of the spring abuts against the rotating shaft 120 and the other end of the spring abuts against the clutch shaft 130.
Turning block
The rotating block 140 is rotatably arranged in the housing 110, a boss structure (see fig. 7) is arranged on the inner wall of the housing 110 in an inward extending manner, the rotating block 140 is arranged on the boss, and when the clutch shaft 130 is in the engaging position, the clutch shaft 130 can drive the rotating block 140 to rotate, so that the rotating block 140 is switched between the unlocking position and the locking position; when the rotating block 140 rotates to the unlocking position or the locking position, the clutch shaft 130 is in the separation position, the clutch shaft 130 continues to rotate in the same direction to not drive the rotating block 140 to rotate, and the rotating block 140 is kept at the unlocking position or the locking position. The "same direction" refers to a rotation direction when the clutch shaft 130 drives the rotating block 140 to rotate to the unlocking position or the locking position, for example, when the clutch shaft 130 rotates clockwise, and after the rotating block 140 is driven to rotate to the unlocking position, and the clutch shaft 130 continues to rotate clockwise, due to the interaction between the clutch boss 131 and the guide boss 111, the clutch shaft 130 cannot continue to drive the rotating block 140 to rotate, and the operation mode after the clutch shaft 130 drives the rotating block 140 to rotate to the locking position is the same as that.
The width of the rotating block 140 in the first direction is smaller than that in the second direction, at least one of the side walls with the smaller width of the rotating block constitutes an unlocking part 141, when the first direction of the rotating block 140 faces the locking ball 212 or the locking pin of the lockset, the rotating block 140 is in the unlocking position, and when the second direction of the rotating block 140 faces the locking ball 212 or the locking pin of the lockset, the rotating block 140 is in the locking position.
In one embodiment, a second protrusion 142 is provided to protrude downward from a lower surface of the rotary block 140, and the first protrusion 132 of the clutch shaft 130 is intermittently driven to abut against the second protrusion 142, thereby driving the rotary block 140 to rotate. During the movement of the clutch shaft 130, the first protrusion 132 and the second protrusion 142 are in driving contact with each other and disengaged from each other due to the action of the clutch boss 131 and the guide boss 111, instead of being in continuous driving contact with each other, so that the intermittent driving contact is called. Preferably, there are two second protrusions 142, and the two second protrusions 142 are disposed opposite to each other. When the clutch shaft 130 is in the engaging position, the clutch shaft 130 presses the rotating block 140 upwards under the action of the elastic force of the clutch shaft resetting piece 150; when the rotating block 140 is rotated to the unlocking position or the locking position, the clutch shaft 130 is in the disengaged position.
A limiting portion 143 protrudes upward from the upper surface of the rotating block 140, and the housing 110 has a limiting mechanism, which is in limiting fit with the limiting portion 143, so that the limiting portion 143 rotates within a preset angle range, and the rotating block 140 rotates within the preset angle range.
Working mode
The following is an exemplary and detailed description of the technical effects of the locking mechanism of the present invention.
During locking, the driving shaft of the gear motor 160 rotates to drive the rotating shaft 120 to rotate, the rotating shaft 120 drives the clutch shaft 130 to rotate, the first protrusion 132 of the clutch shaft 130 abuts against the sidewall of the second protrusion 142 to push the second protrusion 142 of the rotating block 140, so as to drive the rotating block 140 to rotate to the locking position. In order to ensure reliable locking, the rotation time of the reduction motor 160 is generally longer than the time actually required, therefore, when the rotating block 140 is in the locking position, the driving shaft of the reduction motor 160 continues to rotate, when the clutch shaft 130 rotates until the clutch boss 131 abuts against the guide boss 111, the clutch shaft 130 continues to rotate, the guide boss 111 abuts against the clutch boss 131, so that the clutch shaft 130 is disengaged from the rotating block 140 (as shown in fig. 6 and 8), the clutch shaft 130 is in the disengaging position, the first protrusion 132 of the clutch shaft 130 cannot drive the second protrusion 142 abutting against the rotating block 140, the clutch shaft 130 cannot drive the rotating block 140 to rotate, the rotating block 140 is kept in the locking position, and the reduction motor 160 idles, so that no locked current is generated. If the decelerating motor 160 drives the clutch shaft 130 to rotate continuously, and the clutch boss 131 of the clutch shaft 130 is disengaged from the guide boss 111, the clutch shaft 130 moves upward under the elastic force of the reset member 150, the first protrusion 132 cannot drive the rotating block 140, or the first protrusion 132 passes over the second protrusion 142 of the rotating block 140 in the rotating direction, and the second protrusion 142 abutting against the rotating block 140 cannot be driven immediately due to a certain distance between the two second protrusions 142, and if the clutch shaft 130 rotates continuously in the same direction, the first protrusion 132 again abuts against the second protrusion 142, the clutch boss 131 of the clutch shaft 130 will abut against the guide boss 111, the clutch shaft 130 rotates continuously, the guide boss 111 abuts against the clutch boss 131, and the clutch shaft 130 is disengaged from the rotating block 140 again, so that even if the decelerating motor 160 rotates continuously after the rotating block 140 reaches the locking position, the clutch shaft 130 is continuously rotated and moved up and down without driving the rotation block 140 to rotate, and the reduction motor 160 is maintained at idle until rotation is stopped, so that no stalling current is generated.
Lock set
Referring to fig. 9 and 10, the present embodiment provides a lock, which includes the aforementioned lock locking mechanism, a locking mechanism 212, a locking hook 213 and an electronic control module 221; when the rotating block of the lock locking mechanism rotates, the locking mechanism 212 can be switched between an unlocking position and a locking position, so that the lock can be unlocked and locked.
The locking mechanism 212 is, for example, a locking ball 212, the locking ball 212 is, for example, a steel ball, and is reciprocally disposed in the lock body 211, the locking ball 212 has an unlocking position and a locking position, and when the rotating block 140 rotates, the locking ball 212 can be switched between the unlocking position and the locking position, so that the rotation of the rotating block 140 switches the lock between the unlocking state and the locking state.
The lock hook 213 has a lock hook 213 lock slot 2131, the lock ball 212 is in limit fit with the lock hook 213 lock slot 2131, and the lock hook 213 can be switched between an unlocking position and a locking position.
When the locking hook 213 is in the locking position and the rotating block 140 is in the locking position, the rotating block 140 is stopped on the retreating path of the locking ball 212, the locking ball 212 is in limit fit with the locking groove 2131 of the locking hook 213, and the locking hook 213 cannot move; when the locking hook 213 is in the unlocking position and the rotating block 140 is in the unlocking position, the rotating block 140 no longer has a stopping function on the locking ball 212, the locking ball 212 can be separated from the locking groove 2131 of the locking hook 213, and the locking ball 212 is no longer in limit fit with the locking groove 2131 of the locking hook 213.
Preferably, the lock further comprises a latch hook 213 and a return spring 150, wherein the latch hook 213 and the return spring 150 are used for providing the latch hook 213 with elastic force to move to the unlocking position. After the unlocking operation, the rotating block 140 rotates to the unlocking position, the locking bead 212 is not stopped, the locking hook 213 moves to the unlocking position under the elastic force of the locking hook 213 return spring 150, the locking bead 212 moves backwards under the pressing of the locking hook 213, the locking hook 213 is ejected to realize the unlocking, and the locking hook 213 return spring 150 can also keep the lock in the unlocking state.
The electronic control module 221 includes an electronic circuit electrically connected to the motor 160, and is capable of providing power for the rotation of the motor 160, and controlling the rotation direction of the gear motor 160 and the power supply time for supplying power to the motor 160. Preferably, the electronic control module 221 further includes a wireless power supply module 222, the wireless power supply module 222 can be communicatively connected to an unlocking device, and the unlocking device provides electric energy for the electronic control module 221 through the wireless power supply module 222 and sends a control signal to the electronic circuit; the wireless power supply module 222 is, for example, a wireless power supply receiving coil.
The operation of the lock according to the present invention will be described in detail below, for example.
Unlocking process
An operator holds the unlocking device to be connected with the wireless power supply module 222, the identity validity is verified, after the identity verification is passed, the unlocking device supplies power to the electronic circuit, the electronic circuit supplies power to the speed reducing motor 160, the speed reducing motor 160 drives the rotating shaft 120 to rotate, the rotating shaft 120 drives the clutch shaft 130 to rotate, the clutch shaft 130 is in a high position under the action of the elastic force of the clutch shaft resetting piece 150, the first protruding part 132 of the clutch shaft 130 can be in driving and abutting connection with the second protruding part 142 of the rotating block 140, at the moment, the clutch shaft 130 is in a joint position, the first protruding part 132 rotates to drive the second protruding part 142 to rotate, so that the rotating block 140 is driven to rotate from the unlocking position to the unlocking position, after a preset angle is rotated, the limiting mechanism of the shell 110 limits the limiting part 143 of the rotating block 140, the rotating block 140 stops rotating, the rotating block 140 is not stopped on a retreating path of the locking ball 212, and when the locking hook 213 moves from, the locking ball 212 can be disengaged from the locking groove 2131 of the locking hook 213, the locking hook 213 is in the unlocking position, the unlocking process is completed, and the lock locking mechanism is in the unlocking state.
The reduction motor 160 continues to rotate, the clutch boss 131 abuts against the guide boss 111, the clutch shaft 130 continues to rotate, the guide boss 111 abuts against the clutch boss 131, the clutch shaft 130 moves downwards, the first protruding portion 132 of the clutch shaft 130 is separated from and abuts against the side wall of the second protruding portion 142, the first protruding portion 132 does not drive the second protruding portion 142 to rotate, and the reduction motor 160 is in an idle rotation state.
If the reduction motor 160 drives the clutch shaft 130 to rotate continuously, and the clutch boss 131 of the clutch shaft 130 is disengaged from the guide boss 111, the clutch shaft 130 moves upward under the elastic force of the reset member 150, the first protrusion 132 cannot drive the rotating block 140, or the first protrusion 132 passes over the second protrusion 142 of the rotating block 140 in the rotating direction, and the second protrusion 142 abutting against the rotating block 140 cannot be driven immediately due to a certain distance between the two second protrusions 142, and if the clutch shaft 130 rotates continuously in the same direction, the first protrusion 132 again abuts against the second protrusion 142, the clutch boss 131 of the clutch shaft 130 will abut against the guide boss 111, the clutch shaft 130 rotates continuously, the guide boss 111 abuts against the clutch boss 131, and the clutch shaft 130 is disengaged from the rotating block 140 again, so that even if the reduction motor 160 rotates continuously after the rotating block 140 reaches the unlocking position, the clutch shaft 130 is continuously rotated and moved up and down without driving the rotation block 140 to rotate, and the reduction motor 160 is maintained at idle until rotation is stopped, so that no stalling current is generated.
Locking process
The locking process is similar to the unlocking process, the difference is that the driving axial direction of the speed reducing motor is controlled by the electric control module to rotate in the direction opposite to the unlocking process, the clutch axial direction is driven to rotate in the direction opposite to the unlocking process, and the specific process is not repeated.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A lock locking mechanism is characterized by comprising a shell, a motor, a clutch shaft resetting piece and a rotating block;
the shell is enclosed to form an installation cavity for accommodating the motor, the clutch shaft reset piece and the rotating block;
the motor is in driving connection with the clutch shaft and can drive the clutch shaft to rotate in the positive and negative directions;
the clutch shaft is switchable between an engaging position and a disengaging position in a manner of being movable up and down;
the clutch shaft resetting piece is used for providing elasticity for the clutch shaft to move from the separation position to the engagement position;
the rotating block is rotatably arranged in the shell; when the clutch shaft is in the engaging position, the rotating block can be driven to rotate, so that the rotating block is switched between the unlocking position and the locking position; when the rotating block rotates to the unlocking position or the locking position, the clutch shaft is located at the separation position, the clutch shaft continues to rotate in the same direction and does not drive the rotating block to rotate any more, and the rotating block is kept at the unlocking position or the locking position.
2. The lock latch mechanism of claim 1 wherein the housing has a guide boss on an inner wall thereof projecting into a mounting cavity in the housing, the clutch shaft being movable from the engaged position to the disengaged position under the urging of the guide boss.
3. The lock latch mechanism of claim 2 wherein the clutch shaft has a clutch boss protruding from a sidewall thereof, a lower surface of the guide boss intermittently abuttable against an upper surface of the clutch boss.
4. The lock latch mechanism of claim 3 wherein the guide bosses are two and are oppositely disposed on an inner wall of the housing; the clutch bosses are two and are oppositely arranged on two sides of the clutch shaft.
5. The lock latch mechanism of claim 1 wherein the clutch shaft is provided with a first tab and the tumbler is provided with a second tab, the first tab of the clutch shaft being intermittently drivable into abutment against the second tab to drive rotation of the tumbler.
6. The lock latch mechanism of claim 5 wherein the first projections are two and the two first projections are disposed opposite each other and the second projections are two and the two second projections are disposed opposite each other.
7. The lock latch mechanism of claim 5 or 6 wherein the first tab projects upwardly from an upper surface of the clutch shaft and the second tab projects downwardly from a lower surface of the turning block.
8. The locking mechanism as claimed in claim 1, wherein the turning block has a limiting portion, and the housing has a limiting mechanism thereon, the limiting mechanism engaging with the limiting portion to allow the turning block to turn within a predetermined angle.
9. The locking mechanism as claimed in claim 1, further comprising a shaft, wherein the shaft is driven by a driving shaft of the motor, and the clutch shaft is movably sleeved on the shaft.
10. The lock latch mechanism of claim 9 wherein the clutch shaft return member is a spring having one end abutting the shaft and the other end abutting the clutch shaft.
11. A lock comprising a lock mechanism as claimed in any one of claims 1 to 10 and a locking mechanism, wherein the locking mechanism is switchable between an unlocked position and a locked position upon rotation of a rotor of the lock mechanism to unlock and lock the lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382215.9U CN211173485U (en) | 2019-08-23 | 2019-08-23 | Lock locking mechanism and lock thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382215.9U CN211173485U (en) | 2019-08-23 | 2019-08-23 | Lock locking mechanism and lock thereof |
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| Publication Number | Publication Date |
|---|---|
| CN211173485U true CN211173485U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921382215.9U Active CN211173485U (en) | 2019-08-23 | 2019-08-23 | Lock locking mechanism and lock thereof |
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| CN (1) | CN211173485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469204A (en) * | 2019-08-23 | 2019-11-19 | 珠海优特电力科技股份有限公司 | A kind of lockset blocking mechanism and its lockset |
-
2019
- 2019-08-23 CN CN201921382215.9U patent/CN211173485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469204A (en) * | 2019-08-23 | 2019-11-19 | 珠海优特电力科技股份有限公司 | A kind of lockset blocking mechanism and its lockset |
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