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CN-121976718-A - Passive padlock with knob function

CN121976718ACN 121976718 ACN121976718 ACN 121976718ACN-121976718-A

Abstract

The scheme relates to a passive padlock with a knob function, which comprises a lock shell, wherein a lock beam capable of moving telescopically relative to the lock shell and a first transmission mechanism which is linked with the lock beam and is used for being matched with the lock beam to lock/unlock the lock beam are arranged in the lock shell, a knob is connected to the lower part of the first transmission mechanism in a transmission mode, the knob comprises a knob shaft, a second transmission mechanism is arranged in the knob shaft, a motor used for driving the second transmission mechanism to act is connected to the lower end of the second transmission mechanism, the second transmission mechanism can be driven to act through positive and negative rotation of the motor to realize the switching of a clutch state between the knob shaft and the first transmission mechanism, when the motor drives the second transmission mechanism to enable the knob shaft to be combined with the first transmission mechanism, the rotary knob can drive the first transmission mechanism to act to realize the unlocking of the lock beam, and when the motor drives the second transmission mechanism to enable the knob shaft to be separated from the first transmission mechanism, the knob is in an idle state, and the rotary knob cannot drive the first transmission mechanism to act to realize the unlocking of the lock beam.

Inventors

  • HUO JIAJIE
  • ZENG XIONGFEI
  • Mo Weile

Assignees

  • 中山市基信锁芯有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (9)

  1. 1. A passive padlock with a knob function comprises a lock shell (100), wherein a lock beam (1) capable of moving telescopically relative to the lock shell (100) and a first transmission mechanism (2) which is linked with the lock beam (1) and is used for being matched with the lock beam (1) to lock/unlock the lock beam (1) are arranged in the lock shell (100), and the passive padlock is characterized in that a knob (3) is connected below the first transmission mechanism (2) in a transmission way, the knob (3) comprises a knob shaft (31), a second transmission mechanism (4) is arranged in the knob shaft (31), a motor (5) used for driving the second transmission mechanism (4) to act is connected to the lower end of the second transmission mechanism (4), the second transmission mechanism (4) can be driven to act through forward and reverse rotation of the motor (5) so as to realize switching of a clutch state between the knob shaft (31) and the first transmission mechanism (2), when the motor (5) drives the second transmission mechanism (4) to enable the knob shaft (31) to be combined with the first transmission mechanism (2), the knob shaft (2) can be driven by the motor (3) to drive the first transmission mechanism (2) to separate from the knob shaft (2) to act, and when the second transmission mechanism (2) is in an idle state (4) is enabled to be in an idle state, the rotary knob (3) can not drive the first transmission mechanism (2) to act, so that unlocking of the lock beam (1) can not be realized.
  2. 2. The passive padlock with a knob function according to claim 1, wherein the first transmission mechanism (2) comprises a first transmission member (21), the second transmission mechanism (4) comprises a second transmission member (41), a first limit groove (211) is formed in the first transmission member (21), a second limit groove (311) is correspondingly formed in the knob shaft (31), the second transmission member (41) comprises a protruding block (411) which is assembled in the second limit groove (311) and can extend into/retract out of the first limit groove (211), and when the motor (5) drives the second transmission mechanism (4) to enable the knob shaft (31) to be combined with the first transmission mechanism (2), the protruding block (411) is simultaneously limited and clamped between the first limit groove (211) and the second limit groove (311).
  3. 3. The passive padlock with knob function according to claim 2, wherein the recess (11) in transmission fit with the first transmission mechanism (2) is symmetrically arranged on the inner side wall of the lock beam (1), the first transmission mechanism (2) further comprises a rotating column (22) and a sphere (23) symmetrically arranged on the left side and the right side of the rotating column (22) and partially contained in the recess (11), the rotating column (22) comprises a protruding part (221) for pushing the sphere (23) into the recess (11) when the rotating column rotates, the protruding part (221) is arranged in a front-back symmetrical mode, the rotating column (22) further comprises a notch part (222) for containing the sphere (23) after the sphere (23) is separated from the recess (11), the first transmission member (21) is connected to the lower end of the rotating column (22), and the first transmission member (21) and the rotating column (22) are circumferentially limited and synchronously rotated.
  4. 4. The passive padlock with knob function according to claim 3, wherein the rotary column (22) comprises an inner boss (223) formed at the upper end of the rotary column, a notch (224) is formed in the inner boss (223), a torsion spring (24) is sleeved on the periphery of the inner boss (223), one end of the torsion spring (24) is mounted in the notch (224) in a limiting manner, the other end of the torsion spring is connected in the lock case (100) in a limiting manner, and a limiting mechanism for limiting the rotation angle of the rotary column (22) is further arranged between the first transmission piece (21) and the lock case (100), and the limiting mechanisms are symmetrically provided with two groups.
  5. 5. The passive padlock with knob function according to claim 4, wherein the limit mechanism comprises an arc groove (212) arranged on the peripheral side wall of the first transmission member (21) and a pin (6) with one end inserted into the arc groove (212), the other end of the pin (6) is fixed on the lock case (100), and the arc groove (212) is in a 90-degree fan-shaped structure.
  6. 6. The passive padlock with knob function according to claim 5, wherein the second transmission mechanism (4) further comprises a worm (42) connected with the output shaft of the motor (5), a screw cap (43) screwed on the upper end of the worm (42), and a double-layer spring (44) sleeved outside the worm (42) and the screw cap (43), the second transmission member (41) is sleeved on the periphery of the screw cap (43), the double-layer spring (44) comprises an outer spring cylinder (441) and an inner spring cylinder (442) folded inwards in the outer spring cylinder (441) and connected with the outer spring cylinder (441), one end of the outer spring cylinder (441) is fixedly connected with the second transmission member (41), one end of the inner spring cylinder (442) is fixedly connected with the screw cap (43), and the other end of the outer spring cylinder (441) is connected with the other end of the inner spring cylinder (442).
  7. 7. The passive padlock with knob function according to any one of claims 1 to 6, wherein the lock case (100) is further provided with a fixing seat (7) in a fitting manner, the fixing seat (7) is provided with a circuit board assembly (8), and a waterproof gasket is sealed between the fixing seat (7) and the lock case (100).
  8. 8. The passive padlock with the knob function according to claim 7, wherein the lock housing (100) is provided with a mounting cavity (101), the NFC antenna board (9) is mounted in the mounting cavity (101), the lock housing (100) is further provided with an induction board (102) for covering the NFC antenna board (9), the induction board (102) is embedded and seals the mounting cavity (101) and protrudes outwards from the lock housing (100), and the lock housing (100) and the fixing seat (7) are provided with wiring holes (200).
  9. 9. The passive padlock with knob function according to claim 8, wherein the bottom of the fixing base (7) is provided with an anti-drilling pin (71), the outer wall of the fixing base (7) is provided with an anti-drilling piece (72), the anti-drilling piece (72) is correspondingly arranged at the installation position of the circuit board assembly (8), the contact surface of the anti-drilling piece (72) relative to the fixing base (7) is larger than the contact surface of the circuit board assembly (8) relative to the fixing base (7) facing to the side of the anti-drilling piece (72), and the anti-drilling piece (72) is also provided with a wiring hole (200).

Description

Passive padlock with knob function Technical Field The invention relates to the field of locks, in particular to a passive padlock with a knob function. Background The traditional padlock is of a pure mechanical structure, and the lock is locked and unlocked by directly driving the transmission mechanism in the lock body through a key, so that the unlocking mode is single, and the requirements of automatic control and authority management in modern security scenes are difficult to meet. In order to improve the convenience and the intellectualization level of use, an electronic padlock with an electric control function appears in the prior art, wherein one type of padlock is simultaneously provided with a key mechanical unlocking structure and an electric unlocking structure, and although two unlocking modes of machinery and electric are considered, a mechanical key is usually required to be carried and used, so that the problems of inconvenient carrying, easy loss and the like exist, and the convenience cannot be really realized. The other type is pure electric driving padlock, the motor directly drives the lock body transmission mechanism to complete locking and unlocking actions, the structure needs the motor to have larger torque to drive the lock cylinder to act, the whole structure is complex, the requirements on the motor performance and the continuous power supply of the power supply are higher, and therefore the production cost is higher. And the motor needs to continuously work in the process of switching the lock, so that the energy consumption is high, and the problem that the power supply needs to be frequently replaced is easily caused. Therefore, how to overcome the above-mentioned drawbacks, it is an important issue to be solved by those skilled in the art to provide a padlock which has both mechanical and electric functions, a simple structure, and low requirements for motor power and power supply. Disclosure of Invention The invention overcomes the defects of the technology and provides the passive padlock with the knob function. In order to achieve the above purpose, the present invention adopts the following technical scheme: A passive padlock with a knob function comprises a lock shell, a lock beam capable of moving in a telescopic mode relative to the lock shell and a first transmission mechanism which is linked with the lock beam and is used for being matched with the lock beam to lock/unlock the lock beam, a knob is connected to the lower portion of the first transmission mechanism in a transmission mode, the knob comprises a knob shaft, a second transmission mechanism is installed in the knob shaft, a motor used for driving the second transmission mechanism to act is connected to the lower end of the second transmission mechanism, the second transmission mechanism can be driven to act through positive and negative rotation of the motor to achieve switching of a clutch state between the knob shaft and the first transmission mechanism, when the motor drives the second transmission mechanism to enable the knob shaft to be combined with the first transmission mechanism, the first transmission mechanism can be driven to act to achieve unlocking of the lock beam, when the motor drives the second transmission mechanism to enable the knob shaft to be separated from the first transmission mechanism, the knob can not be in an idle state, and the first transmission mechanism can not be driven to act to achieve unlocking of the lock beam. Preferably, the first transmission mechanism comprises a first transmission part, the second transmission mechanism comprises a second transmission part, a first limit groove is formed in the first transmission part, a second limit groove is correspondingly formed in the knob shaft, the second transmission part comprises a protruding block which is assembled in the second limit groove and can extend into/retract out of the first limit groove, and when the motor drives the second transmission mechanism to enable the knob shaft to be combined with the first transmission mechanism, the protruding block is simultaneously limited and clamped between the first limit groove and the second limit groove. Preferably, the lock beam is symmetrically provided with a concave part matched with the transmission of a first transmission mechanism, the first transmission mechanism further comprises a rotating column, the balls are symmetrically arranged on the left side and the right side of the rotating column and can be partially accommodated in the concave part, the rotating column comprises a convex part for jacking the balls into the concave part when the balls rotate, the convex part is arranged in a front-back symmetrical mode, the rotating column further comprises a notch part for accommodating the balls after the balls are separated from the concave part, the first transmission part is inserted into the lower end of the rotating column, and the first transmission part an