CN210828728U - Locks, mechanical locks and their smart keys - Google Patents

Abstract

The utility model relates to the field of locks, in particular to a lock, a mechanical lock and an intelligent key thereof. The mechanical lock and the intelligent key of the lock are unlocked through an unlocking rod and an unlocking hole, and a driving mechanism does not need to be arranged in the mechanical lock. , the control system in the smart key receives the password, and controls the unlocking drive mechanism according to the received password to drive the unlocking rod to extend the length of the housing to be able to release the lock pin in the corresponding lock hole from the lock cylinder, so that the lock cylinder can rotate, Rotate the smart key, and the smart key drives the lock cylinder to rotate to unlock the mechanical lock. When the smart key is paired with an unmatched mechanical lock, because the length of the unlocking rod extending out of the housing does not match the position of the lock pin in the unlocking hole, the lock will be unlocked. The length of the rod cannot meet the requirements at the same time, the lock cylinder and the lock body are locked by the lock pin, the lock cylinder cannot be rotated, and the mechanical lock cannot be unlocked, which solves the problem that the current smart lock needs to set a driving mechanism in the lock, which causes the high cost of the power supply equipment system. .

Description

Locks, mechanical locks and their smart keys

technical field

The utility model relates to the field of locks, in particular to a lock, a mechanical lock and an intelligent key thereof.

Background technique

In the power system, five defenses usually refer to the abbreviation of five defenses for high-voltage electrical equipment in order to ensure personal safety. There are a large number of outdoor equipment in the distribution network, such as ring network cabinets, which need to be protected with locks to prevent accidents caused by unrelated personnel opening the equipment. At present, the locks used in outdoor power distribution equipment are usually mechanical padlocks. Since there are a large number of power distribution equipment that needs to be locked in the same area, the number of padlocks is very large. If each lock is equipped with a specific key, the inspectors need to carry a large number of keys when they conduct outdoor inspections, which is inconvenient to carry and requires It takes a lot of time to find the key corresponding to the padlock, and the efficiency of the inspection is extremely low. In order to improve efficiency, the current common practice is to use the same key for the padlocks of the locked outdoor equipment in the same area, which can improve the efficiency of inspection, but when the serial number on the outdoor equipment falls off, the inspection personnel cannot be guaranteed. Open the correct equipment, it is easy to cause misuse.

In order to overcome the above problems, the power supply department has begun to try to install smart locks unlocked with electronic keys on the outdoor equipment of the distribution network. Network outdoor equipment five-proof smart lock and check and balance lock verification method, the smart lock uses the electronic key to unlock, the management server encodes the smart lock number, electronic key number and other signals and sends it to the electronic key, and the smart lock receives the electronic key when unlocking. The output information determines whether the lock is unlocked accordingly, and the inspector can open the smart locks of all outdoor equipment of the distribution network in the same area through an authorized electronic key. The manufacturing cost of the smart lock is greatly increased, and the internal driving mechanism makes the structure of the smart lock more complicated and easy to damage. Since each outdoor equipment needs to be equipped with smart locks, a large number of smart locks need to be purchased when using, resulting in the problem of high use cost of the power supply equipment system.

Utility model content

The purpose of the present utility model is to provide a lock, which is used to solve the problem that the current smart lock needs to set a driving mechanism in the lock, which causes the high cost of the power supply equipment system. In addition, the purpose of the present utility model is to provide a smart key for the above lock. ; The purpose of this utility model is also to provide a mechanical lock of the above-mentioned lock.

To achieve the above purpose, the technical scheme of the lock of the present utility model is:

Locks include:

Mechanical lock: It includes a lock body and a lock cylinder that unlocks the mechanical lock by rotating. The lock cylinder is provided with an unlocking hole, and the unlocking holes are provided with two, three or more than three. The lock pin that locks the lock cylinder, the lock body is provided with an elastic piece that applies elastic force to the lock pin to keep the lock pin locked to the lock cylinder,

Smart key: including a housing and an unlocking rod, the unlocking rod is guided and moved in the housing along its extending direction, and the unlocking rods are provided with two, three or more than three, and the unlocking holes are all corresponding to the unlocking rods. One end of the rod is the unlocking end that is inserted into the corresponding unlocking hole to push the lock pin to unlock the lock cylinder. The length of each unlocking rod extending out of the casing is sufficient to release the lock pin in the corresponding unlocking hole from locking the lock cylinder. After the lock cylinder is unlocked, each unlocking lever drives the lock cylinder to rotate to unlock the mechanical lock by twisting the housing.

The housing is provided with an unlocking drive mechanism for driving the reciprocating movement of the unlocking rod. The unlocking driving mechanism is used to adjust the length of the unlocking rod extending out of the housing so that the unlocking rod can meet the requirements of unlocking the lock cylinder by the lock pin in the corresponding unlocking hole; the unlocking drive The mechanism is provided with two, three or more than three, and one-to-one correspondence with the unlocking lever,

The casing is also provided with a signal receiving module for communicating with the password storage device to receive the password, and a control system communicating with the signal receiving module and controlling the movement of the unlocking drive mechanism according to the received password.

The beneficial effects of the utility model are as follows: the mechanical lock of the lock and the smart key are unlocked through a plurality of unlocking rods and unlocking holes, and a driving mechanism does not need to be set in the mechanical lock. When unlocking, the signal receiving module in the smart key receives the password, The control system controls the unlocking drive mechanism according to the received password. The length of each unlocking drive mechanism driving the unlocking rod out of the casing is sufficient to release the lock pin in the corresponding lock hole from the lock cylinder, so that the lock cylinder can be rotated. At this time, the rotation is intelligent. The key, the smart key drives the lock cylinder to rotate to unlock the mechanical lock, and when the smart key unlocks the unmatched mechanical lock, the length of the unlocking rod extending out of the housing and the position of the lock pin in the unlocking hole of the mechanical lock If it does not match, the length of the unlocking rod cannot meet the requirements at the same time, the lock cylinder and the lock body are locked by the lock pin, the lock cylinder cannot be rotated, and the mechanical lock cannot be unlocked, which solves the problem that the current smart lock needs to set a driving mechanism in the lock, which causes the power supply equipment system. high cost issue.

Further, in order to facilitate the insertion of the smart key, an identification block is fixed on the housing, and the lock body is provided with a guide and an unlocking rod that guides and cooperates with the identification block in the insertion direction of the unlocking rod before the unlocking rod is inserted into the unlocking hole in place, and the circumferential anti-rotation cooperates to guide the unlocking rod. The inserted identification block jack, the hole wall of the identification block jack is provided with an escape groove for avoiding the identification block to rotate the identification block, or the axial inner side of the identification block jack is provided with an escape for avoiding the identification block to rotate the identification block space. The insertion posture of the smart key can be correctly found through the identification block, avoiding repeated exploration and facilitating the insertion of the smart key.

Further, in order to ensure the stability of the unlocking lever, the identification block is provided with an unlocking lever guide hole for the unlocking lever to pass through the unlocking lever guide and slidingly cooperate with the unlocking lever. of stability.

Further, in order to achieve smooth unlocking, the identification block includes a cylindrical portion extending along the extending direction of the unlocking rod and a convex identification portion disposed on the outer peripheral surface of the cylindrical portion, and the cylindrical portion is larger in size in the axial direction than the protrusion. The size of the identification part in the axial direction of the cylindrical part. During the unlocking process, the cylindrical part is always guided and matched with the identification block socket along its axial direction, which is convenient for the smart key to be rotated and unlocked.

Further, the unlocking driving mechanism includes a motor and a lead screw nut mechanism driven by the motor, the unlocking rod is arranged on the nut of the lead screw nut mechanism, and the driving form of the lead screw nut mechanism and the motor is simple in structure and low in cost.

Further, the lock pin is guided and slidably arranged in the lock body along the extension direction of the unlocking hole, which facilitates the installation of the lock pin and simplifies the structure.

Further, in order to reduce the error, the housing is provided with a zero position travel switch for indicating the zero position of the unlocking lever, and the zero position travel switch is connected to the control system in communication, so that the control system controls each unlocking drive mechanism to unlock each unlocking mechanism. The rod first returns to the zero position, and then extends out of the shell by the set distance, and returns to zero before each extension of the unlocking rod to reduce errors and assembly requirements.

To achieve the above purpose, the technical scheme of the mechanical lock of the present utility model is:

Mechanical locks include:

lock body,

Lock cylinder: The mechanical lock is unlocked by rotation. The lock cylinder is provided with unlocking holes, and the unlocking holes are provided with two, three or more than three. The unlocking holes correspond to the unlocking levers on at least one mechanical lock smart key.

The lock body is also provided with a lock pin for extending into the unlocking hole to lock the lock cylinder. The lock pin is pushed back by the top pressing end of the unlocking rod to release the lock of the lock cylinder. The lock body is provided with a pair of lock pins. An elastic piece that applies elastic force to keep the lock pin locked to the lock cylinder.

The beneficial effects of the utility model: when the mechanical lock is used with the matching smart key, the mechanical lock and the smart key are unlocked through a plurality of unlocking rods and unlocking holes, and a driving mechanism does not need to be set in the mechanical lock. The signal receiving module inside receives the password, and the control system controls the unlocking drive mechanism according to the received password. The length of each unlocking drive mechanism to drive the unlocking rod to extend out of the housing is sufficient to release the lock pin in the corresponding lock hole from locking the lock cylinder, so that the lock can be locked. The core can be rotated. At this time, the smart key is rotated, and the smart key drives the lock cylinder to rotate to unlock the mechanical lock. However, when the smart key unlocks the unmatched mechanical lock, the length of the unlocking rod protruding from the housing is different from the mechanical lock. The position of the lock pin in the lock unlocking hole does not match, the length of the unlocking rod cannot meet the requirements at the same time, the lock cylinder and the lock body are locked by the lock pin, the lock cylinder cannot be rotated, and the mechanical lock cannot be unlocked, which solves the current smart locks. The internal arrangement of the drive mechanism causes the problem of high cost of the power supply equipment system.

Further, the lock body is provided with an identification block jack that guides and cooperates with the identification block on the intelligent key of the mechanical lock in the insertion direction of the unlocking rod before the unlocking rod is inserted into the unlocking hole in place, and the circumferential anti-rotation cooperates to guide the insertion of the unlocking rod. The hole wall of the block insertion hole is provided with an escape groove for avoiding the identification block to rotate the identification block, or the axial inner side of the identification block insertion hole is provided with an escape space for avoiding the identification block to rotate the identification block. The insertion posture of the smart key can be correctly found through the identification block, avoiding repeated exploration and facilitating the insertion of the smart key.

In order to achieve the above purpose, the technical scheme of the mechanical lock intelligent key of the present utility model is:

The mechanical lock smart key includes:

case,

An unlocking lever, the unlocking lever is guided and moved along its extending direction and assembled in the housing, the unlocking levers are provided with two, three or more than three, and one end of the unlocking lever is used to be inserted into the inner top of the corresponding unlocking hole on the mechanical lock The unlocking end where the push-lock pin unlocks the lock cylinder of the mechanical lock, the length of each unlocking rod extending out of the housing meets the requirement that the lock pin in the corresponding unlocking hole can unlock the lock cylinder, and the lock cylinder of the mechanical lock is unlocked. After the lock is locked, the mechanical lock is unlocked by rotating the housing to make each unlocking lever drive the lock cylinder to rotate.

The housing is provided with an unlocking drive mechanism for driving the unlocking rod to reciprocate. The unlocking driving mechanism is used to adjust the length of the unlocking rod extending out of the housing so that the unlocking rod can release the lock of the lock cylinder of the mechanical lock by the lock pin in the corresponding unlocking hole. ;The unlocking drive mechanism is provided with two, three or more than three, and one-to-one correspondence with the unlocking lever,

The casing is also provided with a control system for communicating with the management server to receive a password and to control the movement of the unlocking drive mechanism according to the received password.

The beneficial effects of the utility model: when used with a matching mechanical lock, the mechanical lock and the smart key are unlocked through a plurality of unlocking rods and unlocking holes, and a driving mechanism does not need to be set in the mechanical lock. The signal receiving module receives the password, and the control system controls the unlocking drive mechanism according to the received password. The length of each unlocking drive mechanism to drive the unlocking rod to extend out of the casing is sufficient to release the lock pin in the corresponding lock hole from the lock cylinder, so that the lock cylinder can be locked. Rotate, rotate the smart key at this time, the smart key drives the lock cylinder to rotate to unlock the mechanical lock, and when the smart key unlocks the unmatched mechanical lock, the length of the unlocking rod extending out of the housing is not the same as the mechanical lock unlocking. The position of the lock pin in the hole does not match, the length of the unlocking rod cannot meet the requirements at the same time, the lock cylinder and the lock body are locked by the lock pin, the lock cylinder cannot be rotated, and the mechanical lock cannot be unlocked. The drive mechanism poses a problem of high cost of the power supply system.

Description of drawings

Fig. 1 is the partial structure schematic diagram of the mechanical lock of the lock specific embodiment of the present invention;

Fig. 2 is the structural schematic diagram of another perspective of the mechanical lock of the specific embodiment of the lock of the present invention;

Fig. 3 is the structural schematic diagram of the smart key of the lock specific embodiment of the present invention;

4 is a schematic structural diagram of the smart key of the specific embodiment of the lock of the present invention after the casing is removed;

5 is a perspective view of the smart key of the lock specific embodiment of the present invention after removing the housing;

6 is another view of the smart key of the lock specific embodiment of the present utility model after removing the housing;

Fig. 7 is the front view of the smart key of the lock specific embodiment of the present utility model after removing the housing;

Fig. 8 is another partial structural schematic diagram of the mechanical lock of the specific embodiment of the lock of the present invention;

9 is a schematic diagram of a control system of a specific embodiment of the lock of the present invention;

In the figure: 1, mechanical lock; 11, lock body; 111, lock body block; 112, identification block socket; 113, avoidance slot; 12, lock cylinder; 121, unlock hole; 13, lock hook; 131, connection Part; 132, keyhole matching part; 133, lock hook convex ring; 134, lock body installation part; 14, lock hole; 15, cam; 151, protrusion; 16, lock ball; 17, lock groove; 18, lock Hook spring; 191, spring; 192, primary lock pin; 193, secondary lock pin; 2, smart key; 21, housing; 22, unlock lever; 23, identification block; 231, cylindrical part; 232, triangular convex 24, stepper motor; 25, nut; 26, lead screw; 27, U-shaped mounting plate; 28, guide rod; 29, travel switch mounting plate; 30, zero travel switch.

Detailed ways

The embodiments of the present utility model will be further described below with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 9 , the specific embodiment of the lock of the present invention includes a mechanical lock 1 and a smart key 2 , and the smart key 2 can open multiple mechanical locks 1 . The smart key 2 includes a housing 21 and an unlock lever 22 .

As shown in FIG. 1, FIG. 2, and FIG. 8, the mechanical lock 1 includes a lock body 11 and a lock cylinder 12 that unlocks the mechanical lock 1 by rotating. The lock body 11 is provided with a lock hook 13, and the lock hook 13 is a U-shaped hook. It includes a connecting part 131 in the middle, a locking hole matching part 132 at one end of the connecting part 131, and a lock body mounting part 134 at the other end of the connecting part 131, wherein the locking body mounting part 134 is always installed in the lock body 11, and the locking hole matching part 132 is inserted into the lock hole 14 when locked, and is outside the lock body 11 after unlocking. The front end of the lock cylinder 12 is connected with a cam 15. The cam 15 is provided with two oppositely arranged protrusions 151, and two lock balls 16 are provided on both sides of the cam 15. There is a lock groove 17 for locking and matching with the lock ball 16. By rotating the cam 15, when the two protrusions 151 on the cam 15 and the two locks are arranged in the same direction, the two protrusions 151 can make the lock ball 15. 16 is kept in the lock groove 17 and locks the lock hook 13. When the arrangement direction of the two protrusions 151 on the cam 15 is perpendicular to the arrangement direction of the two lock grooves 17, the two protrusions 151 release the locking effect. , the lock hook 13 can be ejected from the lock body 11 at this time, and the mechanical lock 1 is unlocked. The lock body mounting portion 134 inserted into the lock body 11 is also provided with a lock hook spring 18 that ejects the lock hook 13 after unlocking, and the lock body mounting portion 134 is provided with a lock hook that is press-fitted with the lock hook spring 18 The convex ring 133, the lock hook spring 18 is pressed between the lock hook convex ring 133 and the lock body 11, and the lock body 11 is also provided with the lock hook convex ring 133 when the lock hook 13 is lifted by the lock hook spring 18. The lock body block 111 is matched, and the lock body block 111 is provided with a lock hook through slot through which the lock body mounting portion 134 passes.

The lock cylinder 12 drives the cam 15 to rotate through the connecting rod. The lock cylinder 12 is provided with three unlocking holes 121 , and the lock body 11 is provided with a lock pin extending into the unlocking holes 121 to lock the lock cylinder 12 . The lock pin is guided and slidably assembled in the lock body 11 along the extending direction of the unlocking hole 121 .

A spring is provided between the lock pin and the lock body 11 for providing elastic force to the lock pin to keep the lock pin locked to the lock cylinder 12. Before unlocking the mechanical lock 1, the lock pin is inserted into the unlocking hole 121, and the lock cylinder 12 It cannot rotate relative to the lock body 11, the cam 15 cannot rotate, and the mechanical lock 1 cannot be unlocked.

In this embodiment, the locking method of the lock cylinder 12 and the lock body 11 adopts the form of a tumbler lock. The lock body 11 is provided with lock body holes corresponding to the unlocking holes 121 on the lock cylinder 12, and each unlocking hole 121 corresponds to two lock holes. The lock pins are the primary lock pin 192 and the secondary lock pin 193 respectively, wherein a spring 191 and a primary lock pin 192 are arranged in the lock body hole. For locking, the secondary lock pin 193 is arranged in the unlocking hole 121, the length of the primary lock pin 192 is the same, and the length of the secondary lock pin 193 is different. The top pressing surfaces of 193 and the first-level lock pin 192 are located at the junction of the lock body 11 and the lock cylinder 12 , and the three unlocking rods are inserted into the three unlocking holes simultaneously to unlock the lock cylinder 12 . In this embodiment, both the primary lock pin 192 and the secondary lock pin 193 are made of copper posts. When the lock is in the locked state, the lock body hole is coaxial with the unlocking hole, the primary lock pin 192 extends into the unlocking hole under the action of the spring, and the lock cylinder is caught by the primary lock pin 192 and cannot rotate. The unlocking hole 121 is a stepped hole, and the outer diameter of the small end of the unlocking hole 121 is smaller than the diameter of the secondary lock pin 193 , and the secondary lock pin 193 will not fall off from the lock cylinder.

The length of the primary lock pin 192 is greater than the difference between the longest secondary lock pin 193 and the shortest secondary lock pin 193. The secondary lock pin 193 corresponds to the unlock code according to a certain size series, for example, the length of the secondary lock pin 193 is 2.5 mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, corresponding to 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 of the unlock code, respectively. The length of the primary lock pin 192 is 5 mm, which is greater than 7-2.5 mm. The unlocking hole 121 is provided with a top pressing surface that is press-fitted with the secondary lock pin 193 to restrict the secondary lock pin 193 from popping out. The size between the mating surfaces of the lock body 11 is 7.5mm, and the corresponding appearance on the smart key 2 is that the size of the unlocking rod protruding from the housing is the basic size plus 0.5mm, and the size of the unlocking rod protruding from the housing is the code 1. The size is the base size plus 1mm, the size of the code is 2, and the size of the unlocking rod extending out of the housing is the base size plus 1.5mm, and so on.

In other embodiments, the lock pin can also be movably assembled on the lock cylinder along the radial direction of the lock cylinder. Each unlocking lever corresponds to a set of lock pins. At this time, at least one unlocking slot should be set on the unlocking lever. After the unlocking lever is inserted into the set depth, the unlocking slot cooperates with the locking pin so that the top pressing surface of the two-stage locking pin is between the lock body and the lock pin. At the junction of the core, a lock pin hole matching the lock pin needs to be set on the hole wall of the unlock hole at this time. When in the locked state, the lock pin hole is coaxial with the lock body hole, and the first-level lock pin extends into the lock. inside the pin hole, and the secondary lock pin extends out of the lock pin hole. In other embodiments, only one lock pin corresponding to the unlocking hole may be provided. In this case, after the unlocking rod is inserted, the pressing surface of the unlocking rod and the locking pin is at the junction of the lock body and the lock cylinder.

As shown in FIG. 3 to FIG. 7 , the unlocking lever 22 is guided and moved along its extending direction and assembled in the housing 21 . There are three unlocking levers 22 for one-to-one correspondence with the three unlocking holes 121 , and the unlocking lever 22 extends out of the housing. One end of the body 21 is the unlocking end for inserting into the corresponding unlocking hole 121 by pushing the lock pin to unlock the lock cylinder 12 . The inner lock pin is required to lock the lock cylinder 12 . After the lock cylinder 12 is unlocked, the unlocking rods 22 can drive the lock cylinder 12 to rotate by rotating the housing 21 to complete the unlocking of the mechanical lock 1 . When the smart key 2 of the present invention is unlocked, the lock cylinder 12 is locked by the lock pin in the unlocking hole 121 through the unlocking rod 22 first, and then the unlocking rod 22 drives the lock cylinder 12 to rotate, and the lock cylinder 12 drives the cam 15 to rotate. The two protrusions 151 of the cam 15 are released from the locking and holding effect of the locking ball 16 , and the locking hook 13 is ejected under the action of the spring to complete the unlocking of the mechanical lock 1 .

In order to facilitate the correct insertion of the unlocking lever 22 and the unlocking hole 121 , in this embodiment, an identification block 23 is fixed on the housing 21 . The corresponding lock body 11 is provided with an identification block insert that guides and cooperates with the identification block 23 along the insertion direction of the unlocking lever 22 before the unlocking lever 22 is inserted into the unlocking hole 121 and cooperates with the identification block 23 to prevent rotation in the circumferential direction. The hole 112 and the identification block insertion hole 112 are used to guide the unlocking lever 22 to be inserted into the unlocking hole 121 in a correct posture. The inner side of the identification block insertion hole 112 forms a limit surface for circumferentially blocking and limiting the rotation of the smart key 2 with the identification block 23 when the length of at least one unlocking lever 22 extending beyond the housing 21 cannot meet the requirement. The hole wall of the identification block socket 112 is provided with an escape groove 113 for avoiding the identification block 23 to unlock the mechanical lock 1 when the unlocking rod 22 extends out of the housing 21 to meet the requirements to drive the lock cylinder 12 to rotate. First, the identification block 23 can ensure the correct insertion of the unlocking lever 22 and the unlocking hole 121. When the smart key 2 does not match the mechanical lock 1, the identification block 23 is inserted into the shallow and cannot reach the position of the avoidance groove 113. At this time, when the smart key 2 is rotated, the identification block 23 and the identification block insertion hole 112 are circumferentially blocked and matched, which can also prevent the rotation of the lock cylinder 12 from causing damage to the lock cylinder 12 and the unlocking lever 22 .

The escape groove 113 has a blocking surface that restricts the movement of the identification block 23 along the exit direction of the unlocking lever 22 . After the mechanical lock 1 is unlocked, due to the restricting effect of the locking ball matched with the locking body mounting portion 134 of the locking hook 13 on the cam 15 , the lock is locked. The core 12 cannot be turned to the position where the identification block 23 is withdrawn, and can only be pulled out after the mechanical lock 1 has been locked again.

In other embodiments, labels or signs can also be set on the unlocking hole and the unlocking rod, which can be correctly inserted through manual confirmation, or the cross-section of the unlocking rod can be set in different shapes to ensure that the unlocking rod is inserted into the correct unlocking hole. . In other embodiments, the axial dimension of the identification block socket may be smaller than the size of the identification block along the extension direction of the unlocking rod. In this case, the inner side of the identification block socket is provided with a space for avoiding the identification block to ensure that the identification block can rotate normally. When the requirements for the mechanical lock are not high, in other embodiments, only a lock bead that is locked and matched with the matching part of the lock hole may be provided. At this time, when the mechanical lock is in an unlocked state, the smart key can also be pulled out. Of course, you can also find the correct unlocking posture without setting the logo and relying on manual exploration for multiple insertions.

In this embodiment, it is the triangular protrusion 232 on the cylindrical portion 231 that plays the role of identification. Therefore, the size of the triangular protrusion 232 in this embodiment along the extension direction of the unlocking lever 22 is small, so that the size of the escape groove 113 is small. , the cylindrical portion 231 can guide and cooperate with the identification block insertion hole 112 in the axial direction during the entire process of inserting the unlocking rod 22 to ensure the guiding effect of the unlocking rod 22. During the process that the unlocking rod 22 drives the lock cylinder 12 to rotate, the cylindrical portion 231 cooperates with the identification block insertion hole 112 in the circumferential direction to ensure the stability of the unlocking operation. In other embodiments, the triangular protrusion may be the same size as the cylindrical portion in the axial direction of the cylindrical portion. In this case, the size of the receptacle of the identification block needs to be appropriately lengthened. Of course, the triangular protrusion may also be a square shape, or may be a cylindrical protrusion. Raised identification portion formed by other projections.

In this embodiment, the identification block 23 is provided with an unlocking rod guide hole for the unlocking rod 22 to pass through the unlocking rod 22 for guiding and sliding cooperation. The unlocking rod guide hole corresponds to the unlocking rod 22 one-to-one, and the three unlocking rods 22 all guide and slide. Pass through the identification block 23 . Through the guiding function of the identification block 23 , the stability of the unlocking lever 22 during the sliding process is ensured. In other embodiments, the identification block may also be arranged at other positions of the housing, and an identification block insertion hole is additionally provided on the lock body. At this time, the identification block is not provided with an unlocking rod perforation.

The housing 21 is also provided with an unlocking driving mechanism corresponding to the unlocking lever 22 one-to-one. The unlocking driving mechanism can adjust the length of the unlocking lever 22 extending out of the housing 21 according to the instructions, so that the length of each unlocking lever 22 of the smart key 2 is the same as the desired one. The positions of the locking pins in the unlocking holes 121 of the unlocked mechanical lock 1 are matched to meet the requirement that the locking pins in the corresponding unlocking holes 121 can release the locking of the lock cylinder 12 . In this embodiment, the protruding length of the unlocking rod 22 meets the requirements, unless there is a special description, it all means that the requirement of being able to release the locking of the lock cylinder 12 by the lock pin in the corresponding unlocking hole 121 is satisfied.

In this embodiment, the unlocking drive mechanism includes a stepping motor 24 and a lead screw nut mechanism driven by the stepping motor 24 , wherein the unlocking rod 22 is arranged on the nut 25 of the lead screw nut mechanism, and the lead screw 26 is driven by the stepping motor 24 Connected, the stepping motor 24 drives the lead screw 26 to rotate, and the nut 25 on the lead screw 26 drives the unlocking rod 22 to move forward and backward. In other embodiments, the unlocking drive mechanism may also be in other forms such as an electric push rod, a rack and pinion drive mechanism, and the like.

As shown in FIG. 4 to FIG. 7 , three U-shaped mounting plates 27 are fixed in the housing 21 , wherein the three lead screw nut mechanisms are respectively mounted on the three U-shaped mounting plates 27 . The installation form of the three lead screw nut mechanisms Similarly, the following is an example to expand the description.

The U-shaped mounting plate 27 includes a fixed part fixed on the housing 21, a motor fixed part at one end of the fixed part, and a lead screw fitting part at the other end of the fixed part, wherein the motor mounting part and the lead screw fitting part are arranged in parallel, and the lead screw One end of the lead screw 26 of the nut mechanism is rotated and assembled on the lead screw matching part, and the other end is connected with the output shaft of the stepping motor 24. The stepping motor 24 is arranged on the motor fixing part, and the lead screw matching part and the motor mounting part are arranged between the There is a guide rod 28, the nut 25 of the lead screw nut mechanism is provided with a nut guide hole that guides and slides with the guide rod 28, and the three lead screw nut mechanisms are arranged in a zigzag shape. In this embodiment, the nut 25 is a non-standard nut, a fixing block is provided on the nut 25, and the unlocking rod 22 is fixed on the fixing block.

A travel switch mounting plate 29 is also provided in the housing 21 , and the travel switch mounting plate 29 is provided with zero travel switches 30 corresponding to the three unlocking levers 22 one-to-one. The zero position travel switch 30 is used to indicate the zero position of the unlocking lever 22 .

The smart key 2 also includes a signal receiving module for communicating with the password storage device to receive the password, and a control system for communicating with the signal module and controlling the movement of the unlocking drive mechanism according to the received password. The zero-position limit switch 30 is connected in communication with the control system. , so that when the control system controls each unlocking drive mechanism, each unlocking lever 22 first returns to the zero position, and then extends out of the casing 21 by the set distance. In other embodiments, the stroke of each password can also be stored in advance through a program, and when changing positions, the controller can calculate the distance that the unlocking lever needs to move, and a zero stroke switch is not required at this time. In this embodiment, the password storage device is a portable terminal. In other embodiments, the smart key can be directly connected to the management server for communication.

As shown in FIG. 9 , the control system includes a controller that is communicatively connected to the signal receiving module. The controller is controlled and connected to the unlocking drive mechanism. The housing 21 of the smart key 2 is provided with a wake-up button. After the wake-up button is activated, the smart key 2 and the The portable terminal can establish communication through Bluetooth, enter the code or work order number on the portable terminal, and automatically obtain the unlock password from the system. Press the unlock button on the housing 21, and the control system converts the received unlock password into the number of pulses of each stepper motor 24 to control the rotation of each stepper motor 24. During the operation, each stepper motor 24 rotates to drive the unlock lever 22 retracts, after triggering the travel switch, it reaches the zero position of the unlocking rod 22, and then drives each unlocking rod 22 to extend out of the housing 21 of the smart key 2 through the screw nut mechanism, and the length corresponds to the length corresponding to the unlocking password. For the form of the password received by the signal receiving module and the matching method between the electronic key and the mechanical lock in the control system, the encryption matching method in the publication number CN107680212A can also be used.

When the lock of the present invention needs to be unlocked, first press the wake-up button on the smart key 2, the smart key 2 establishes communication with the portable terminal through Bluetooth, and the code or work order number of the mechanical lock 1 is input on the portable terminal to obtain the unlock password, After the completion, the green light is on, and the unfinished display is red. Press the unlock button, and the control system converts the number of pulses of each stepper motor 24 according to the unlock code received by the lock to control the rotation of each stepper motor 24. Each stepper motor 24 The rotation drives the unlocking lever 22 to retract, triggers the zero position travel switch 30 to reach the zero position of the unlocking lever 22, and then drives each unlocking lever 22 to extend out of the casing 21 through the lead screw 26 corresponding to the corresponding length of the unlocking code; The identification block 23 of the lock is aligned with the identification block jack 112 of the lock. After the smart key 2 is inserted to the end, the unlocking lever 22 pushes all the contact surfaces of the primary lock pins and the secondary lock pins to coincide with the contact surfaces of the lock body 11 of the lock cylinder 12 , the lock cylinder 12 can be manually rotated 90 degrees clockwise in the lock body 11, the lock cylinder 12 drives the cam 15 to rotate 90 degrees, the two protrusions 151 on the cam 15 are no longer in contact with the lock bead 16, and the lock bead 16 is released. The lock hook 13 moves upward under the action of the lock hook spring 18, and the arc surface in the lock groove 17 in contact with the lock ball 16 pushes the left and right lock balls 16 to the middle until the lock ball 16 is separated from the lock groove 17. The lock hook 13 is no longer restricted by the lock ball 16, and the lock hook 13 continues to bounce until the lock hook convex ring 133 stops and cooperates with the lock body stopper 111, the lock hole matching part 132 leaves the lock hole 14, and the lock head is in contact with the lock body block 111. The lock body 11 can be rotated around the lock body mounting portion 134 to open the mechanical lock 1, and at the same time, the identification block 23 cannot be removed under the action of the blocking surface in the avoidance groove 113.

When the lock is closed, manually press the lock hole matching part 132 into the lock hole 14, and then manually rotate the smart key 2 reversely by 90 degrees, the lock cylinder 12 drives the cam 15 to rotate, and the lock ball 16 is gradually pushed by the cam 15 to both sides until The protrusion 151 of the cam 15 contacts the lock bead 16 and pushes the lock bead 16 into the lock slot 17. When the hand is released, the lock head is caught by the lock bead 16 and cannot be bounced, and then the smart key 2 can be removed.

In this embodiment, the unlocking holes correspond to the unlocking rods one-to-one. In other embodiments, two unlocking rods may correspond to one unlocking hole, and in this case, two secondary locking pins may be arranged in parallel in one unlocking hole. In other embodiments, the number of unlocking rods and unlocking holes can be adjusted as required, the number of unlocking rods can be two or more than three, and the number of unlocking holes can also be two or more than three.

As a specific embodiment of the mechanical lock of the present invention, the mechanical lock in this embodiment has the same structure as the mechanical lock in the above-mentioned embodiments, and will not be repeated here.

The specific embodiment of the mechanical lock smart key of the present invention, the structure of the mechanical lock smart key in this embodiment is the same as the structure of the smart key in the above-mentioned embodiment, and will not be repeated.

Claims (10)

1. A lock, comprising:

mechanical locking: comprises a lock body and a lock core which enables a mechanical lock to be unlocked through rotation, wherein the lock core is provided with two, three or more unlocking holes, the lock body is also internally provided with a lock pin which is used for extending into the unlocking hole to lock the lock core, the lock body is provided with an elastic piece which applies elasticity to the lock pin to enable the lock pin to keep locking the lock core,

the intelligent key: the mechanical lock comprises a shell and unlocking rods, wherein the unlocking rods are assembled in the shell in a guiding and moving mode along the extending direction of the unlocking rods, the number of the unlocking rods is two, three or more than three, the unlocking holes correspond to the unlocking rods, one end of each unlocking rod is an unlocking end used for pushing a lock pin to unlock the lock cylinder in the corresponding unlocking hole in an inserting mode, the length of each unlocking rod extending out of the shell meets the requirement that the lock pin in the corresponding unlocking hole can be unlocked for the lock cylinder, after the lock cylinder is unlocked, the shell is screwed to enable each unlocking rod to drive the lock cylinder to rotate to unlock the mechanical lock,

an unlocking driving mechanism for driving the unlocking rod to reciprocate is arranged in the shell and used for adjusting the length of the unlocking rod extending out of the shell so that the unlocking rod can meet the requirement of unlocking the lock cylinder by the lock pin in the corresponding unlocking hole; the unlocking driving mechanisms are provided with two, three or more than three unlocking rods, and correspond to the unlocking rods one by one,

the shell is also internally provided with a signal receiving module which is used for being in communication connection with the password storage device to receive the password and a control system which is in communication connection with the signal receiving module and controls the movement of the unlocking driving mechanism according to the received password.

2. The lock according to claim 1, wherein the housing is fixed with an identification block, the lock body is provided with an identification block insertion hole which is guided to be matched with the identification block in the insertion direction of the unlocking lever and is guided to be inserted with the unlocking lever in a circumferential rotation-stopping matching manner before the unlocking lever is inserted into the unlocking hole, an avoiding groove for avoiding the identification block to rotate the identification block is provided on a hole wall of the identification block insertion hole, or an avoiding space for avoiding the identification block to rotate the identification block is provided on an axially inner side of the identification block insertion hole.

3. The lock according to claim 2, wherein the identification block is provided with an unlocking rod guide hole for the unlocking rod to pass through and slidably fit with the unlocking rod.

4. The lock according to claim 2, wherein the identification block includes a cylindrical portion extending in the extending direction of the lock release lever and a convex identification portion provided on an outer peripheral surface of the cylindrical portion, and a dimension of the cylindrical portion in the axial direction thereof is larger than a dimension of the convex identification portion in the axial direction of the cylindrical portion.

5. The lock according to claim 1, 2 or 3, wherein the unlocking driving mechanism comprises a motor and a lead screw-nut mechanism driven by the motor, and the unlocking lever is provided on a nut of the lead screw-nut mechanism.

6. A lock according to claim 1, 2 or 3, characterized in that the locking pin is arranged in the lock body in a guided sliding manner in the direction of extension of the unlocking hole.

7. The lock according to claim 1, 2 or 3, wherein a zero position travel switch is provided in the housing for indicating the zero position of the unlocking levers, the zero position travel switch being in communication with the control system, such that the control system causes the unlocking levers to return to the zero position first and then to extend out of the housing a set distance when controlling the unlocking actuators.

8. A mechanical lock, comprising:

a lock body which is provided with a lock hole,

a lock core: the mechanical lock is unlocked by rotating, the lock core is provided with two, three or more unlocking holes, the unlocking holes correspond to the unlocking rods on at least one intelligent key of the mechanical lock,

the lock body is also internally provided with a lock pin which is used for extending into the unlocking hole to lock the lock cylinder, the lock pin retracts after being pushed by the jacking end of the unlocking rod to release the lock of the lock cylinder, and the lock body is provided with an elastic piece which applies elasticity to the lock pin to ensure that the lock pin keeps locking the lock cylinder.

9. The mechanical lock of claim 8, wherein the lock body is provided with an identification block insertion hole which is matched with an identification block on the intelligent key of the mechanical lock in a guiding manner in the insertion direction of the unlocking rod and matched with the identification block in a circumferential rotation-stopping manner to guide the unlocking rod to be inserted before the unlocking rod is inserted into the unlocking hole, an avoiding groove for avoiding the identification block to rotate the identification block is formed in the hole wall of the identification block insertion hole, or an avoiding space for avoiding the identification block to rotate the identification block is formed on the inner axial side of the identification block insertion hole.

10. Mechanical lock intelligent key, its characterized in that includes:

a shell body, a plurality of first connecting rods and a plurality of second connecting rods,

the unlocking rods are movably assembled in the shell along the extension direction of the unlocking rods, two, three or more than three unlocking rods are arranged, one end of each unlocking rod is an unlocking end which is inserted into a corresponding unlocking hole in the mechanical lock and pushes the lock pin to unlock the lock cylinder of the mechanical lock, the length of each unlocking rod extending out of the shell meets the requirement that the lock pin in the corresponding unlocking hole can be unlocked to the lock cylinder, after the lock cylinder of the mechanical lock is unlocked, each unlocking rod drives the lock cylinder to rotate to unlock the mechanical lock by screwing the shell,

an unlocking driving mechanism for driving the unlocking rod to reciprocate is arranged in the shell and used for adjusting the length of the unlocking rod extending out of the shell so that the unlocking rod can meet the requirement of unlocking the lock cylinder of the mechanical lock by the lock pin in the corresponding unlocking hole; the unlocking driving mechanisms are provided with two, three or more than three unlocking rods, and correspond to the unlocking rods one by one,

the shell is also internally provided with a signal receiving module which is used for being in communication connection with the password storage device to receive the password and a control system which is in communication connection with the signal receiving module and controls the movement of the unlocking driving mechanism according to the received password.

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