An internal bolt type electronic mechanical combination timing lock

Abstract

The present invention discloses an internal bolt type electronic mechanical combination timing lock, comprising a panel and a pin lock, the pin lock comprising a lock cylinder sleeve, a lock cylinder and a rotating lock tongue, the pin lock is installed in a lock groove on one side of the panel, the lock cylinder sleeve is fixedly sleeved on the lock cylinder, and a rotating lock tongue is provided at the end of the lock cylinder, characterized in that the back of the panel is provided with a time setting mechanism, a first latch mechanism for clamping the lock cylinder sleeve within the set time, a disengagement mechanism for making the latch of the first latch mechanism withdraw from the lock cylinder sleeve after the set time is reached, and a combined power mechanism for storing kinetic energy when the time setting mechanism sets the time and providing power after the time setting mechanism sets the time. The present invention is more convenient and accurate in timing, the gear runs stably and has a longer service life, the first latch mechanism mainly relies on the driven gear to rotate, and the retaining ring on the upper part of the gear pushes the first latch forward to jam the lock cylinder, and the conductive contact piece contacts the conductive contact rod to energize when the lock cylinder is jammed, and the power is cut off when it is withdrawn.

Description

Technical Field

[0001] The invention relates to the technical field of timed anti-theft locks, in particular to an inner-bolt type electronic mechanical combined timed lock. Background Art

[0002] A lock is a device placed on an object that can be opened or closed and opened with a key or code. This type of instant opening device can be mechanical or electric, and the electric type requires electricity. There are many types of locks, such as mechanical password locks and mechanical pin locks. In addition, with the improvement of people's living standards and the continuous advancement of science and technology, locks such as timed locks, face recognition locks, and fingerprint locks have also emerged. However, timed locks only play the role of timed opening and unlocking, and cannot completely solve the fundamental problem of anti-theft. However, so-called high-tech electronic products such as face recognition locks and fingerprint locks are easy to be hacked while being convenient and fast, and the safety factor cannot be guaranteed. Mechanical locks such as mechanical password locks and mechanical pin locks have a history of thousands of years and several safety factor level standards have appeared, but they are also easy to be cracked and opened without loss, and the safety factor is extremely low.

[0003] The applicant applied for CN201910633603.8 in 2019, a reservation-type combination lock, including a lock case, a pin lock, a rack bolt, a backstop mechanism for timing the rotation of the pin lock cylinder, a prime mover system for storing kinetic energy and providing power to the backstop mechanism, a force mechanism for providing kinetic energy to the prime mover system and driving the rack bolt to move, a speed regulating system for releasing power from the prime mover system to the backstop mechanism to adjust the speed of releasing kinetic energy, and a transmission system connecting the prime mover system with the speed regulating system; Among them, the pin lock is installed in the lock slot on one side of the lock shell, the lock core of the pin lock is slidably connected to the lock slot, and one end of the lock core passes through the lock slot and is provided with a force mechanism. It breaks the concept of traditional lock function and adopts a new unlocking idea. On the basis of ordinary lock function, through a preset method, within a set time period, the internal unlocking can only be achieved through internal mechanical movement, and then it can be opened by the key. It completely solves the unsafe factors brought by existing locks, better ensures property safety, has good market prospects, and can be used for safe locks, safe cabinet locks, office doors, bicycle locks, electric vehicle locks, etc.

[0004] However, the force-applying mechanism of this application is internal. When applying force, the connecting gear needs to be inserted into the clutch gear sleeve, and then the key is used to rotate the lock core to apply force, which may easily cause two disadvantages: 1. The inner and outer gears are not easy to connect and are easy to disengage, and the teeth are staggered, which will increase the timing error; 2. The force-applying process is complicated and the force is large, so the key is easy to break; in addition, the power control time and the latch design are controlled by the up and down activities of the screw and nut. There are spring parts inside the latch assembly, which may easily cause the screw and nut to be subjected to greater force. After a period of use, the gap between the screw and the nut will become larger, and the deviation will increase. In view of this, it is necessary to upgrade the technology. Summary of the invention

[0005] In order to better solve the above technical problems, the present invention provides a mechanical pin lock + electronic mechanical internal latch combination timing lock. The mechanical pin lock and the internal electronic mechanical internal latch are two independent devices, and the electronic internal latch is a motor + mechanical gear. After a set time, the internal latch locks the internal mechanical lock core and the internal bolt. If the set time is not completed, the internal latch will not be opened by any external force, thereby completely ensuring the safety of the lock. It is most suitable for spaces with strong personal privacy, such as safes, safes, etc.

[0006] The technical solution of the present invention to solve the above problems is:

[0007] An internal bolt type electronic mechanical combination timing lock comprises a panel and a pin lock, the pin lock comprises a lock cylinder sleeve, a lock cylinder and a rotating lock tongue, the pin lock is installed in a lock groove on one side of the panel, the lock cylinder sleeve is fixedly sleeved on the lock cylinder, and a rotating lock tongue is arranged at the end of the lock cylinder, the back of the panel is provided with a time setting mechanism, a first latch mechanism for clamping the lock cylinder sleeve within the set time, a disengagement mechanism for making the latch of the first latch mechanism withdraw from the lock cylinder sleeve after the set time is reached, and a combined power mechanism for storing kinetic energy when the time setting mechanism sets the time and providing power after the time setting mechanism sets the time.

[0008] Preferably, the time setting mechanism includes a timing knob, a separation sleeve, a movable gear, a knob head and a second latch mechanism. The timing knob is installed in a knob groove on the front side of the panel. A rotatable sleeve on the knob shaft of the timing knob is provided with a movable gear, and one end of the knob shaft is provided with a separation sleeve movably connected to the movable gear.

[0009] Preferably, spring clamping rods are respectively extended outwardly in the radial direction of the end of the knob shaft and the end of the separation sleeve, and the spring clamping rods on the same side are connected by a second spring.

[0010] Preferably, the second latch mechanism comprises a push block, a second latch, a guide block, a compression spring, a guide plate and a pin ejector sleeve, the push block is mounted on the outer periphery of the movable gear wheel surface, the pin ejector sleeve is mounted on the panel, a second latch is arranged in the pin ejector sleeve, one end of the second latch passes through the pin ejector sleeve and is provided with a limit nut, a guide block is fixedly arranged on the pin body at the other end of the second latch, a guide plate for guiding the guide block to move forward and backward is arranged on the panel, a compression spring is arranged between the guide block and the pin ejector sleeve,

[0011] When the push block is not in contact with the guide block, the pin head of the second latch is inserted into the latch hole of the knob shaft, and the knob shaft is stuck.

[0012] When the push block contacts the guide block, the push block pushes the guide block to move backward, and the pin head of the second pin exits the pin hole;

[0013] Further preferably, the propulsion block is in the shape of a short cylinder; further preferably, the propulsion block is rotatably mounted on the outer periphery of the movable gear wheel surface.

[0014] Further preferably, the timing knob has a dial.

[0015] Preferably, the first latch mechanism includes a movable retaining ring, a fastening nut, a guide pin shaft, a first latch, a first spring and a latch guide sleeve, the latch guide sleeve is provided with a first latch, a first spring is provided between the latch guide sleeve and the first latch, the side wall of the latch guide sleeve is provided with a clearance hole corresponding to the pin head of the first latch, and the tail end of the first latch is installed with a movable retaining ring through the fastening nut.

[0016] Preferably, the disengagement mechanism comprises a driven gear and a retaining ring support, the driven gear is rotatably mounted on the back of the panel, a retaining ring support is provided on the wheel surface of the driven gear, and a notch corresponding to the movable retaining ring is provided on the retaining ring support;

[0017] When the movable retaining ring is matched with the notch, the pin head of the first latch pin is withdrawn from the latch pin hole of the lock core sleeve;

[0018] When the movable retaining ring exits the notch, the pin head of the first latch pin is inserted into the latch pin hole of the lock core sleeve, and the lock core sleeve is stuck.

[0019] Preferably, the combined power mechanism includes an electric drive assembly and a gear set assembly.

[0020] Preferably, the electric drive assembly includes a power supply, a motor and a power distribution mechanism for controlling the start and stop of the motor.

[0021] Preferably, the power distribution mechanism includes a conductive contact rod, a conductive contact piece, a fastening bolt and an insulating gasket, a conductive contact rod is provided on one side of the motor, an insulating gasket is provided on the movable retaining ring, a conductive contact piece is provided on the insulating gasket, the positive electrode of the power supply is connected to the positive electrode of the motor through a wire, the negative electrode of the power supply is connected to the conductive contact piece through a wire, and the negative electrode of the motor is connected to the conductive contact rod through a wire.

[0022] When the pin head of the first pin is inserted into the pin hole of the lock cylinder sleeve, the conductive contact piece contacts the conductive contact rod, and the motor starts running;

[0023] When the pin head of the first latch pin exits the latch pin hole of the lock core sleeve, the conductive contact piece is separated from the conductive contact rod, and the motor stops.

[0024] Preferably, the gear assembly comprises a fixing rod, a spring, a backstop gear, a double gear A, an upper fixing plate for the gear, a double gear B, a double gear C, a double gear D, a gear E, a lower fixing plate for the gear, an idler wheel and a backstop baffle.

[0025] The upper fixing plate and the lower fixing plate are connected as a whole through a fixing rod, and the lower fixing plate is mounted on the panel through a bolt assembly. A backstop gear, a double gear A, a double gear B, a double gear C, a double gear D and a gear E of meshing transmission are arranged between the upper fixing plate and the lower fixing plate;

[0026] The spring, the backstop gear, the idler wheel and the backstop block are coaxially arranged, wherein the idler wheel is fixedly mounted on the lower end of the shaft, the backstop gear is movably mounted on the upper part of the shaft, the backstop block is fixedly mounted above the backstop gear, and the spring is fixedly mounted between the backstop gear and the idler wheel.

[0027] The idler gear meshes with the driven gear and the movable gear respectively. The backstop gear is provided with a wedge-shaped protrusion in an annular shape that cooperates with the backstop baffle to rotate in the opposite direction.

[0028] Among them, the stop gear is meshed with the small tooth of the double gear, the large gear of the double gear A is meshed with the small gear of the double gear B, the large gear of the double gear B is meshed with the small gear of the double gear C, the large gear of the double gear C is meshed with the small gear of the double gear, the large gear of the double gear is meshed with gear E, and gear E is connected to the output shaft of the motor.

[0029] The present invention mainly has two lock parts. The first lock part is: an ordinary pin lock. When the customer does not have valuables and does not need a high safety factor, it can be used as an ordinary lock. The second lock part is: a time setting mechanism + a combined power mechanism + a latch mechanism. When the customer needs a high safety factor, the customer can set the time allowed to open through the time setting mechanism, and use the combined power mechanism to push the latch mechanism to jam the lock cylinder. Therefore, if you want to turn the lock cylinder by the key, you must first unlock the latch mechanism on the back of the panel, and then you can insert the key on the front of the panel into the lock cylinder to drive the lock tongue to rotate. The present invention can completely solve the hidden dangers of existing locks. Such as: hidden dangers of traditional locks such as external technical unlocking, electronic interference, hacker unlocking, etc., better ensure property safety.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. The timing knob is set on the front of the panel. When setting the time, the power is stored in the spring of the gear assembly. When the spring releases the kinetic energy, a reverse torque is applied to the spring through the electric drive assembly to control the timing release of the spring. While ensuring safety, the structure is more compact and the timing is more convenient and accurate.

[0032] 2. Each gear only plays the role of power transmission. The gear runs stably. The first latch mechanism mainly relies on the driven gear. When the retaining ring on the upper part of the gear rotates, it pushes the first latch forward and jams the lock cylinder. When the lock cylinder is jammed, the conductive contact piece contacts the conductive contact rod to energize it, and it is de-energized when it is retracted. Although the latch assembly has spring parts, it is not subjected to much force, so its service life will be longer. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a front view of a preferred embodiment of the present invention;

[0034] Figure 2 A rear view of a preferred embodiment of the present invention;

[0035] Figure 3 It is a structural schematic diagram of a preferred embodiment of the present invention;

[0036] Figure 4 It is a transmission schematic diagram of a preferred embodiment of the present invention;

[0037] Figure 5 for Figure 4 Section view along AA;

[0038] Figure 6 for Figure 4 A cross-sectional view of the time setting mechanism and the second latch mechanism along the BB in the working state;

[0039] Figure 7 for Figure 4 A cross-sectional view of the BB time setting mechanism and the second latch mechanism in the reset state;

[0040] Figure 8 Another transmission schematic diagram of a preferred embodiment of the present invention;

[0041] Fig. 9 It is a front view of the gear set assembly in a preferred embodiment of the present invention;

[0042] Fig.10 It is a left side view of the gear set assembly in a preferred embodiment of the present invention;

[0043] Fig.11 A top view of a gear set assembly in a preferred embodiment of the present invention;

[0044] Fig.12 It is a structural schematic diagram of a gear set assembly in a preferred embodiment of the present invention;

[0045] Fig.13 This is a schematic diagram of the distribution of gears and springs in a preferred embodiment of the present invention;

[0046] Fig.14 A top view of the stop gear and the stop baffle in a preferred embodiment of the present invention;

[0047] Fig.15 It is a structural schematic diagram of a stop gear and a stop baffle in a preferred embodiment of the present invention;

[0048] Fig.16 This is a schematic diagram of the structure of a movable gear in a preferred embodiment of the present invention;

[0049] In the figure: panel 1, timing knob 2, pin lock 3, lock cylinder sleeve 4, lock cylinder 5, rotating lock tongue 6, motor 7, conductive contact rod 8, motor output shaft 9, conductive contact piece 10, fastening bolt 11, insulating gasket 12, movable retaining ring 13, retaining ring support 14, rotating pin shaft 15, driven gear 16, fastening nut 17, guide pin shaft 18, first latch 19, first spring 20, latch guide sleeve 21, spring pressure rod 22, second spring 23, knob shaft 24, separation sleeve 25, movable gear 26, knob head 27, push Feed block 28, second latch 29, guide block 30, compression spring 31, guide plate 32, ejector sleeve 33, limit nut 34, fixing rod 35, spring spring 36, stop gear 37, double gear A38, upper gear fixing plate 39, double gear B40, double gear C41, double gear D42, gear E43, lower gear fixing plate 44, idler gear 45, stop baffle 46, wedge-shaped protrusion 47, notch 271, time setting mechanism P1, disengagement mechanism P2, power supply P3, combined power mechanism P4. DETAILED DESCRIPTION

[0050] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.

[0051] Embodiment 1, as Figure 1 —— Figure 3 The illustrated embodiment is an internal bolt type electronic mechanical combination timing lock, comprising a panel 1 and a pin lock 3, wherein the pin lock 3 comprises a lock cylinder sleeve 4, a lock cylinder 5 and a rotating lock tongue 6, the pin lock 3 is installed in a lock groove on one side of the panel 1, the lock cylinder sleeve 4 is fixedly sleeved on the lock cylinder 5, and a rotating lock tongue 6 is provided at the end of the lock cylinder 5, and a time setting mechanism P1, a first latch mechanism, a disengagement mechanism P2 and a combined power mechanism P4 are provided on the back of the panel 1, wherein the first latch mechanism is used to clamp the lock cylinder sleeve 4 within the set time, and the disengagement mechanism P2 makes the latch of the first latch mechanism withdraw from the lock cylinder sleeve 4 after the set time is reached, and the combined power mechanism P4 is used for the time setting mechanism P1 to store kinetic energy when setting the time, and for the time setting mechanism P1 to provide power for the disengagement mechanism P2 after the time is set.

[0052] In this embodiment, the time setting mechanism P1 includes a timing knob 2, a separation sleeve 25, a movable gear 26, a knob head 27 and a second latch mechanism. The timing knob 2 is installed in the knob groove on the front of the panel 1. The knob shaft 24 of the timing knob 2 is rotatably sleeved with a movable gear 26. One end of the knob shaft 24 is provided with a separation sleeve 25 movably connected to the movable gear 26. Preferably, spring clamping rods 22 are respectively extended outwardly in the radial direction of the end of the knob shaft 24 and the end of the separation sleeve 25, and the spring clamping rods 22 on the same side are connected by a second spring 23. When the operator rotates the timing knob 2 clockwise, the separation sleeve 25 will be connected to the axle of the movable gear 26, and the separation sleeve 25 can drive the movable gear 26 to rotate. When the timing knob 2 is rotated counterclockwise, the rotation of the movable gear 26 cannot drive the knob shaft 24 to rotate.

[0053] In this embodiment, the second latch mechanism is as follows Figure 3 , Figure 6 and Figure 7As shown, it includes a push block 28, a second latch pin 29, a guide block 30, a compression spring 31, a guide plate 32 and a push pin sleeve 33. The push block 28 is installed on the outer periphery of the wheel surface of the movable gear 26. The push pin sleeve 33 is installed on the panel 1. The second latch pin 29 is arranged in the push pin sleeve 33. One end of the second latch pin 29 passes through the push pin sleeve 33 and is provided with a limit nut 34. The guide block 30 is fixed on the pin body at the other end of the second latch pin 29. The panel 1 is provided with a guide plate 32 for guiding the guide block 30 to move forward and backward. The guide block 30 and the push pin sleeve A compression spring 31 is arranged between the cylinder 33. When the push block 28 is not in contact with the guide block 30, the pin head of the second latch 29 is inserted into the latch hole of the knob shaft 24, and the knob shaft 24 is stuck. When the push block 28 is in contact with the guide block 30, the push block 28 pushes the guide block 30 to move backward, and the pin head of the second latch 29 exits the latch hole. It is further preferred that the push block 28 is in a short cylindrical shape. It is further preferred that the push block 28 is rotatably mounted on the outer periphery of the wheel surface of the movable gear 26. It is further preferred that the timing knob 2 is provided with a scale plate. In the initial state, the push block 28 is in contact with the guide block 30. After the timing knob 2 is reset at a fixed time, the second latch 29 is inserted into the latch hole of the knob head 27, and the timing knob 2 is stuck. The timing knob 2 cannot be rotated, and the timing knob 2 can only be unlocked by driving the movable gear 26 to rotate counterclockwise to drive the push block 28 to push the guide block 30 away.

[0054] In this embodiment, Figure 3 and Figure 5 As shown, the first latch mechanism includes a movable retaining ring 13, a fastening nut 17, a guide pin shaft 18, a first latch 19, a first spring 20 and a latch guide sleeve 21. The latch guide sleeve 21 is provided with a first latch 19, and a first spring 20 is provided between the latch guide sleeve 21 and the first latch 19. The side wall of the latch guide sleeve 21 is provided with a clearance hole corresponding to the pin head of the first latch 19, and the tail end of the first latch 19 is installed with a movable retaining ring 13 through a fastening nut 17. The disengagement mechanism P2 includes a driven gear 16 and a retaining ring support 14. The driven gear 16 is rotatably installed on the back of the panel 1 through a rotating pin shaft 15. The wheel surface of the driven gear 16 is provided with a retaining ring support 14, and the retaining ring support 14 is provided with a notch 271 corresponding to the movable retaining ring 13;

[0055] When the movable retaining ring 13 cooperates with the notch 271, the pin head of the first latch pin 19 exits the latch pin hole of the lock core sleeve 4;

[0056] When the movable retaining ring 13 withdraws from the notch 271, the pin head of the first latch pin 19 is inserted into the latch pin hole of the lock core sleeve 4, and the lock core sleeve 4 is stuck.

[0057] Preferably, a guide groove is axially provided on the pin body of the first latch pin 19 , and a guide pin shaft 18 slidably matched with the guide groove is provided on the latch pin guide sleeve 21 , so that the first latch pin 19 can only move forward and backward in the latch pin guide sleeve 21 .

[0058] In this embodiment: the combined power mechanism P4 includes an electric drive assembly and a gear set assembly.

[0059] Preferably, the electric drive assembly includes a power source P3, a motor 7 and a power distribution mechanism for controlling the start and stop of the motor 7.

[0060] Preferably, the power distribution mechanism includes a conductive contact rod 8, a conductive contact piece 10, a fastening bolt 11 and an insulating gasket 12, a conductive contact rod 8 is provided on one side of the motor 7, an insulating gasket 12 is provided on the movable retaining ring 13, a conductive contact piece 10 is provided on the insulating gasket 12, the positive pole of the power supply P3 is connected to the positive pole of the motor 7 through a wire, the negative pole of the power supply P3 is connected to the conductive contact piece 10 through a wire, and the negative pole of the motor 7 is connected to the conductive contact rod 8 through a wire.

[0061] When the pin head of the first latch pin 19 is inserted into the latch pin hole of the lock cylinder sleeve 4, the conductive contact piece 10 contacts the conductive contact rod 8, and the motor starts running;

[0062] When the pin head of the first latch pin 19 exits the latch pin hole of the lock cylinder sleeve 4, the conductive contact piece 10 is separated from the conductive contact rod 8, and the motor stops.

[0063] In this embodiment, Fig. 9 —— Fig.15 As shown, the gear assembly includes a fixing rod 35, a spring 36, a backstop gear 37, a double gear A 38, an upper gear fixing plate 39, a double gear B 40, a double gear C 41, a double gear D 42, a gear E 43, a lower gear fixing plate 44, an idler gear 45 and a backstop block 46.

[0064] The upper gear fixing plate 39 and the lower gear fixing plate 44 are connected as a whole by a fixing rod 35, and the lower gear fixing plate 44 is mounted on the panel 1 by a bolt assembly, and a meshing transmission stop gear 37, a double gear A38, a double gear B40, a double gear C41, a double gear D42 and a gear E43 are arranged between the upper gear fixing plate 39 and the lower gear fixing plate 44;

[0065] The spring 36, the backstop gear 37, the idler wheel 45 and the backstop block 46 are coaxially arranged, wherein the idler wheel 45 is fixedly mounted on the lower end of the shaft, the backstop gear 37 is movably mounted on the upper part of the shaft, the backstop block 46 is fixedly mounted above the backstop gear 37, and the spring 36 is fixedly mounted between the backstop gear 37 and the idler wheel 45.

[0066] The idler gear 45 is meshed with the driven gear 16 and the movable gear 26 respectively. The backstop gear 37 is provided with a wedge-shaped protrusion 47 in an annular shape and cooperates with the backstop block 46 in reverse rotation.

[0067] Among them, the stop gear 37 is meshed with the small tooth of the double gear A38, the large gear of the double gear A38 is meshed with the small gear of the double gear B40, the large gear of the double gear B40 is meshed with the small gear of the double gear C41, the large gear of the double gear C41 is meshed with the small gear of the double gear D42, the large gear of the double gear D42 is meshed with the gear E43, and the gear E43 is connected to the motor output shaft 9.

[0068] In order to better understand the technical solution of the present invention, the working process and working principle of the present invention are further described below by taking a safe as an example:

[0069] In this working process and working principle, panel 1 can be understood as the door of the safe.

[0070] When in use, first insert the key into the lock hole of the pin lock 3 and rotate it 90 degrees, so that the rotating lock tongue 6 abuts against the door frame of the safe, lock the safe, and take out the key. When the customer needs a high safety factor, the customer can set the time allowed to open through the time setting mechanism;

[0071] Specifically, when the time is set, when the operator turns the timing knob 2 clockwise, the separation sleeve 25 will be combined with the axle of the movable gear 26, and the separation sleeve 25 drives the movable gear 26 to rotate to the setting time position;

[0072] Since the movable gear 26 and the idler gear 45 are in a meshing connection state, when the movable gear 26 rotates, the idler gear 45 will be driven to rotate at the same time. Since the spring spring 36, the stop gear 37, the idler gear 45 and the stop baffle 46 share a common shaft, when the coaxial shaft rotates, the spring spring 36 is properly tightened to store energy, and the stop baffle 46 also rotates with the shaft. Since the stop gear 37 is movable, it has no transmission capability when the coaxial shaft rotates.

[0073] Synchronization: Since the idler wheel 45 and the driven gear 16 are in a meshing connection state, when the idler wheel 45 rotates, the driven gear 16 is also synchronously rotated and positioned. The rotation of the driven gear 16 drives the movable retaining ring 13 to withdraw from the notch 271 on the retaining ring support 14. The outer peripheral wall of the retaining ring support 14 supports and pushes the movable retaining ring 13 to move the first latch 19 to the left and compress the first spring 20. The pin head of the first latch 19 is inserted into the hole of the lock core 5 and the lock core 5 is stuck so that it cannot rotate freely. In this process, the conductive contact piece 10 contacts the conductive contact rod 8 to be energized, the power supply P3 outputs electricity, the motor 7 is powered, the motor runs, and the gear group assembly rotates.

[0074] After the lock cylinder 5 is stuck, the timing knob 2 is rotated counterclockwise to return to its original position. During the resetting process, the knob shaft 24 and the separation sleeve 25 rotate, the separation sleeve 25 and the axle of the movable gear 26 are in a separated state, and the movable gear remains in the time setting position.

[0075] When the timing knob 2 returns to its original position, since the movable gear 26 has not reset, the push block 28 is not in contact with the guide block 30, and the pin head of the second latch 29 pushes the second latch 29 under the action of the spring force. The pin head of the second latch 29 is inserted into the latch hole of the knob shaft 24, thereby jamming the knob shaft 24. The knob shaft 24 can only rotate after the movable gear 26 is reset. At this time, the lock cylinder 5 and the knob shaft 24 are both jammed by the latch, and external force can no longer open the panel 1.

[0076] Continuing from the previous step: after the motor 7 starts running, the motor output shaft 9 drives the gear E43 to rotate, and at the same time transmits it to the double gear D42, the double gear C41, the double gear B40, the double gear A38, and finally to the stop gear 37. The wedge-shaped protrusion 47 of the stop gear 37 clamps the stop baffle 46. Since the clockwork spring 36 is coaxial with the stop baffle 46, the clockwork spring 36 slowly relaxes under the action of the reverse torque force of the stop gear 37, releasing kinetic energy, and the coaxial idler gear 45 rotates in the opposite direction at the same time.

[0077] The idler wheel 45 rotates in the reverse direction, driving the movable gear 26 to rotate in the reverse direction at the same time, until the set time is reached, and the gear 26 returns to its original position, the push block 28 contacts the guide block 30, and the push block 28 pushes the guide block 30 to move backward, and the pin head of the second latch 29 exits the latch hole. Since the timing knob 2 is out of the latch control, it can rotate freely;

[0078] Synchronization: As the idler wheel 45 rotates in the opposite direction, the driven gear 16 meshing therewith also rotates in the opposite direction at the same time, until the set time is reached, when the movable retaining ring 13 cooperates with the notch 271, the pin head of the movable latch 32 exits the latch hole of the lock cylinder sleeve 4, and the lock cylinder can rotate freely after the key is inserted.

[0079] Synchronization: As the pin head of the movable latch 32 exits the latch hole of the lock cylinder sleeve 4, the conductive contact piece 10 separates from the conductive contact rod 8, the power is cut off, the motor stops working, and the gear also stops rotating.

[0080] At this point: as the timing knob 2 rotates - the one-way motor 7 starts - the internal latch mechanisms clamp the lock core 4 and the timing knob 2, so that the lock core and timing knob assembly can be opened without any external force. As the internal latch mechanisms withdraw, external control can be achieved.

[0081] The present invention aims at the hidden dangers brought by the existing products, combines the advantages and disadvantages, breaks the concept of traditional lock functions, adopts a new unlocking idea, adds an internal latch mechanism on the basis of the ordinary lock function, and sets the time unlocking method regularly. In the set time period, the internal first unlocking can only be realized by internal mechanical movement, and then the external can be opened by the key. During work, the external can not be forcibly opened or pried open by technical unlocking, which completely solves the unsafe factors brought by the existing locks and better ensures the safety of property. It has a good market prospect and can be used for safe locks, safe cabinet locks, office doors, bicycle locks, electric car locks, etc.

[0082] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0083] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An internal bolt type electronic mechanical combination time lock, comprising a panel (1) and a pin lock (3), the pin lock (3) comprising a lock cylinder sleeve (4), a lock cylinder (5) and a rotating lock tongue (6), the pin lock (3) being installed in a lock groove on one side of the panel (1), the lock cylinder sleeve (4) being fixedly sleeved on the lock cylinder (5), and a rotating lock tongue (6) being provided at the end of the lock cylinder (5), characterized in that: The back of the panel (1) is provided with a time setting mechanism (P1), a first latch mechanism for locking the lock cylinder sleeve (4) within a set time, a disengagement mechanism (P2) for causing the latch of the first latch mechanism to withdraw from the lock cylinder sleeve (4) after the set time has expired, and a combined power mechanism (P4) for storing kinetic energy when the time setting mechanism (P1) sets the time and providing power after the time setting mechanism (P1) sets the time; The time setting mechanism (P1) comprises a timing knob (2), a separation sleeve (25), a movable gear (26), a knob head (27) and a second latch mechanism, wherein the timing knob (2) is mounted in a knob slot on the front side of the panel (1), a movable gear (26) is rotatably sleeved on a knob shaft (24) of the timing knob (2), and a separation sleeve (25) movably connected to the movable gear (26) is provided at one end of the knob shaft (24); Spring clamping rods (22) are respectively provided extending outwardly in the radial direction of the end of the knob shaft (24) and the end of the separation sleeve (25), and the spring clamping rods (22) on the same side are connected via a second spring (23); The second latch mechanism comprises a push block (28), a second latch pin (29), a guide block (30), a compression spring (31), a guide plate (32) and a pin ejector sleeve (33); the push block (28) is mounted on the outer periphery of the wheel surface of the movable gear (26); the pin ejector sleeve (33) is mounted on the panel (1); a second latch pin (29) is arranged in the pin ejector sleeve (33); one end of the second latch pin (29) passes through the pin ejector sleeve (33) and is provided with a limit nut (34); a guide block (30) is fixedly arranged on the pin body at the other end of the second latch pin (29); a guide plate (32) for guiding the guide block (30) to move forward and backward is arranged on the panel (1); a compression spring (31) is arranged between the guide block (30) and the pin ejector sleeve (33); When the push block (28) is not in contact with the guide block (30), the pin head of the second latch pin (29) is inserted into the latch pin hole of the knob shaft (24), and the knob shaft (24) is stuck. When the push block (28) contacts the guide block (30), the push block (28) pushes the guide block (30) to move backward, and the pin head of the second latch pin (29) exits the latch pin hole; The propulsion block (28) is in the shape of a short cylinder; The timing knob (2) has a dial; The first latch mechanism comprises a movable retaining ring (13), a fastening nut (17), a guide pin shaft (18), a first latch pin (19), a first spring (20) and a latch pin guide sleeve (21); the first latch pin (19) is arranged inside the latch pin guide sleeve (21); the first spring (20) is arranged between the latch pin guide sleeve (21) and the first latch pin (19); a side wall of the latch pin guide sleeve (21) is provided with a clearance hole corresponding to the pin head of the first latch pin (19); and the rear end of the first latch pin (19) is mounted with a movable retaining ring (13) via the fastening nut (17).

2. The internal bolt type electronic mechanical combination timing lock according to claim 1, characterized in that: The disengagement mechanism (P2) comprises a driven gear (16) and a retaining ring support member (14); the driven gear (16) is rotatably mounted on the back of the panel (1); a retaining ring support member (14) is provided on the wheel surface of the driven gear (16); and a notch (271) corresponding to the movable retaining ring (13) is provided on the retaining ring support member (14); When the movable retaining ring (13) cooperates with the notch (271), the pin head of the first latch pin (19) exits the latch pin hole of the lock core sleeve (4); When the movable retaining ring (13) exits the notch (271), the pin head of the first latch pin (19) is inserted into the latch pin hole of the lock core sleeve (4), and the lock core sleeve (4) is locked.

3. The internal bolt type electronic mechanical combination timing lock according to claim 2, characterized in that: The combined power mechanism (P4) comprises an electric drive assembly and a gear set assembly.

4. The internal bolt type electronic mechanical combination timing lock according to claim 3, characterized in that: The electric drive assembly comprises a power source (P3), a motor (7), and a power distribution mechanism for controlling the start and stop of the motor (7).

5. The internal bolt type electronic mechanical combination time lock according to claim 4, characterized in that: The power distribution mechanism comprises a conductive contact rod (8), a conductive contact piece (10), a fastening bolt (11) and an insulating gasket (12); a conductive contact rod (8) is provided on one side of the motor (7); an insulating gasket (12) is provided on the movable retaining ring (13); a conductive contact piece (10) is provided on the insulating gasket (12); a positive electrode of the power source (P3) is connected to a positive electrode of the motor (7) via a wire; a negative electrode of the power source (P3) is connected to the conductive contact piece (10) via a wire; and a negative electrode of the motor (7) is connected to the conductive contact rod (8) via a wire. When the pin head of the first latch pin (19) is inserted into the latch pin hole of the lock core sleeve (4), the conductive contact piece (10) contacts the conductive contact rod (8), and the motor starts running; When the pin head of the first latch pin (19) exits the latch pin hole of the lock core sleeve (4), the conductive contact piece (10) separates from the conductive contact rod (8), and the motor stops.

6. The internal bolt type electronic mechanical combination time lock according to claim 5, characterized in that: The gear assembly comprises a fixing rod (35), a spring (36), a backstop gear (37), a double gear A (38), an upper gear fixing plate (39), a double gear B (40), a double gear C (41), a double gear D (42), a gear E (43), a lower gear fixing plate (44), an idler gear (45) and a backstop baffle (46). The upper gear fixing plate (39) and the lower gear fixing plate (44) are connected to form an integral body via a fixing rod (35); the lower gear fixing plate (44) is mounted on the panel (1) via a bolt assembly; a retaining gear (37), a double gear A (38), a double gear B (40), a double gear C (41), a double gear D (42) and a gear E (43) are provided between the upper gear fixing plate (39) and the lower gear fixing plate (44) for meshing transmission; The spring spring (36), the backstop gear (37), the idler wheel (45) and the backstop block plate (46) are coaxially arranged, wherein the idler wheel (45) is fixedly mounted on the lower end of the shaft, the backstop gear (37) is movably mounted on the upper part of the shaft, the backstop block plate (46) is fixedly mounted above the backstop gear (37), and the spring spring (36) is fixedly mounted between the backstop gear (37) and the idler wheel (45). The idler gear (45) is meshed with the driven gear (16) and the movable gear (26) respectively. The stop gear (37) is provided with a wedge-shaped protrusion (47) in an annular shape and cooperates with the stop baffle (46) to rotate in the opposite direction. The stop gear (37) is meshed with the small tooth of the double gear A (38), the large gear of the double gear A (38) is meshed with the small gear of the double gear B (40), the large gear of the double gear B (40) is meshed with the small gear of the double gear C (41), the large gear of the double gear C (41) is meshed with the small gear of the double gear D (42), the large gear of the double gear D (42) is meshed with the gear E (43), and the gear E (43) is connected to the motor output shaft (9).

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