Linkage control mechanism for electric lock and clutch control device thereof

Linkage control mechanism of electronic lock and its clutch control device

The present invention relates to an electronic lock, in particular to a design proposed for a linkage control mechanism and a clutch control device in the electronic lock.

Traditional locks are mainly based on the key-opening structure design. In recent years, advances in electronic technology, such as fingerprint recognition systems, chip sensor systems... and other electronic control systems have also been applied to the field of locks such as door locks. When people do not need to use the key, they use their unique fingerprints, chips, ... as the means to unlock the door.

However, the currently known mechanical locks and electronic locks adopt their own independent lock designs. The author further combines the electronic controller with the traditional locks to design an electronic lock in which the electronic control system is used as a whole. The main basis for unlocking outside the door is supplemented by key unlocking.

In the foregoing, in order to integrate the electronic controller and the lock mechanism as a basis for unlocking, in the electronic lock, it is necessary to design a mechanism controlled by the electronic controller and with both linkage and clutch function control to connect to the lock The unlocking mechanism can achieve the main purpose of unlocking outside the door with the electronic control system, and the purpose of unlocking with the key as a supplement.

The main purpose of the present invention is to design an electronic lock linkage control mechanism and its clutch control device, and hope to use this design to provide a control command from the electronic controller to determine the clutch, and then control the electronic lock. Whether the middle pressure plate driving device and the latch linkage group are linked or not.

In order to achieve the purpose of the foregoing disclosure, the clutch control device designed in the present invention includes: a coil seat with a seat body and a coil wound on the seat body, the seat body is formed with an accommodating hole; a transmission shaft tube, It is arranged in the accommodating hole of the coil base, the transmission shaft tube has a shaft hole located inside, and a set of terminals extend out of the coil base; a sliding sleeve is installed in the accommodating hole of the coil base , And axially slidably sleeved on the transmission shaft tube, the sliding sleeve facing the assembly end of the transmission shaft is protrudingly provided with at least one convex portion; and a clutch sleeve, which is set on the transmission shaft tube On the assembly end, located outside the coil seat, the sliding sleeve has one end of a convex portion facing the clutch sleeve, the clutch sleeve has at least one concave portion facing the sliding sleeve, and the convex portion of the sliding sleeve is correspondingly inserted in.

The linkage control mechanism designed in the present invention is arranged between the pressing plate driving device of the electronic lock and the latch linkage group. The clutch control mechanism includes: a coil seat with a seat body and a coil wound on the seat body, An accommodating hole is formed in the base body; a transmission shaft tube is arranged in the accommodating hole of the coil base, the transmission shaft tube has a shaft hole located inside, and a set of terminals protruding out of the coil base; The sliding sleeve is installed in the accommodating hole of the coil base and sleeved on the transmission shaft tube so as to be axially slidable. The sliding sleeve faces the assembly end of the transmission shaft and has at least one convex portion protruding ; A clutch sleeve, the set is located on the assembly end of the transmission shaft tube, located outside the coil seat, the sliding sleeve has an end with a convex portion facing the clutch sleeve, the clutch sleeve facing the sliding sleeve has at least one end A concave portion, into which the convex portion of the sliding sleeve is provided correspondingly; and a linkage plate group, which includes a first linkage plate, a second linkage plate, and at least one tension spring. The first and second linkage plates can It is rotatably arranged in the latch linkage group, the first linkage plate is connected to the clutch sleeve, and the tension spring is connected between the latch linkage group and the second linkage plate.

The present invention is based on the design of the previously disclosed technical solution, and is characterized in that: the linkage control mechanism and the clutch control device of the present invention are controlled by the controller of the electronic lock, and are connected to the drive shaft of the pressure plate driving device to link with the latch Between the sets, a transmission shaft tube is connected to the transmission shaft in a coil base, a sliding sleeve and a clutch sleeve are sleeved on the transmission shaft tube, and the sliding sleeve is slidably arranged in the coil base, The clutch sleeve is located outside the coil base for connecting the latch linkage group, whereby the electronic controller is used to control whether the coil base is energized or not, and a magnetic force is generated to push the sliding sleeve and the clutch sleeve after the coil base is energized Correspondingly, when the pressure plate of the pressure plate driving device is pressed down, the linkage control mechanism and the clutch control device can be rotated through the transmission shaft to drive the latch linkage group to unlock.

In addition, the second purpose of the present invention is to use a tension spring with two telescopic sections or two tension springs to connect to both sides of the latch interlocking group and the second interlocking plate in the interlocking plate group in the interlocking control mechanism In between, as a result, after the interlocking plate group is driven to rotate, it can be released by the two tension springs or the two telescopic sections of the tension spring. The operation is smoother.

As shown in the first and second figures, it is disclosed that the preferred embodiment of the linkage control mechanism including the clutch control device of the present invention is applied to an embodiment of an electronic lock. It can be seen from the figure that the electronic lock is a combined electronic controller A lock with a key lock core. The electronic lock system mainly includes an outer cover (2), an inner cover (2A), an outer handle group (4), an inner handle group (4A), and a lock core group (3), a latch group (not shown), an electronic controller (6), a pressure plate driving device (7), a linkage control mechanism (1), a latch linkage group (8), and a latch Knob (9). The aforementioned electronic controllers can be fingerprint readers, chip sensor controllers,... and other electronic controllers, among which: the outer cover (2) and the inner cover (2A) can be arranged relative to each other On the outer side and inner side of the door panel, the latch group and the linkage control mechanism (1) are installed up and down between the outer cover plate (2) and the inner cover plate (2A), and the lock core group (3) ), the electronic controller (6), the pressing plate driving device (7) and the outer handle group (4) are sequentially installed up and down on the outer cover plate (2), and the lock core group (3) is connected to the lock bolt group , The latch linkage group (8) is installed inside the inner cover (2A) to connect the latch group, the pressure plate driving device (7) includes a transmission shaft (7A) connected to the linkage control mechanism (1), the lock The latch knob (9), the inner handle set (4A) and the battery box (not shown) of the electronic controller (6) are installed on the inner cover (2A), the latch knob (9) and the inner The handle group (4A) is respectively connected to the latch linkage group (8), and the battery box is electrically connected to the linkage control mechanism (1) and the electronic controller (6) with wires, so that the electronic controller (6) is used to determine the input The correctness of the fingerprint image, chip sensor signal,... etc. determines the clutch state of the linkage control mechanism (1).

For the specific embodiment design of the linkage control device of the present invention, please refer to Figures 1 to 6, which disclose several preferred embodiments of the linkage control mechanism including the clutch control device of the present invention, in which: the clutch control device ( 1) The main system includes a coil seat (10), a transmission shaft tube (20), a sliding sleeve (30) and a clutch sleeve (40), among which: the coil seat (10) includes a body (11) and a coil (12), the seat body (11) has a shaft tube portion (111) and two partition portions (112) formed at both ends of the shaft tube portion (111), and an accommodating hole is formed in the shaft tube portion (111) (113), the coil (12) is wound on the shaft tube portion (111) at the winding space formed between the two partition portions (112), and the coil (12) can be connected to a power source for Electricity produces magnetic polarity.

The transmission shaft tube (20) is arranged in the accommodating hole (113) of the coil seat (10), and the transmission shaft tube (20) has a shaft hole (21) to provide the transmission of the pressing plate driving device (7) The shaft (7A) is inserted into the set, the shaft hole (21) can be a square hole, a polygonal hole, ... or other non-circular holes, etc., and the drive shaft (7A) of the pressure plate driving device (7) is provided with the set Wherein, the transmission shaft tube (20) has a set of connecting ends (22) protruding out of the coil seat (10).

The sliding sleeve (30) is installed in the accommodating hole (113) of the coil base (10) and sleeved on the transmission shaft tube (20) to be axially slidable. One end of the sliding sleeve (30) At least one convex portion (31) is protrudingly provided. In the preferred embodiment, the sliding sleeve (30) has two convex portions (31) corresponding to the radial direction.

The hollow clutch sleeve (40) is set on the assembly end (22) of the transmission shaft tube (20), outside the coil seat (10), and the sliding sleeve (30) has a convex portion (31). One end faces the clutch sleeve (40), and one end of the clutch sleeve (40) facing the sliding sleeve (30) has at least one recess (41) and at least a set of connecting parts (42), and the recess (41) provides the sliding sleeve The protruding part (31) of (30) is correspondingly inserted therein, and the connecting portion (42) is used for connecting and connecting with the driving board (8B). In this preferred embodiment, the connecting portion (42) ) Can be a recess.

As shown in the first preferred embodiment shown in Figures 3 and 4, the seat body (11) of the coil seat (10) and the transmission shaft tube (20) are integrally formed components, and the transmission shaft tube (20) extends A buckle groove (24) is provided at the end of the assembly end (22) of the coil seat (10), and a fastener (25) is buckled in the buckle groove (24), which is located at the side end of the clutch sleeve (40). ; In addition, the diameter of the receiving hole (113) of the seat body (11) of the coil seat (10) can correspond to the outer diameter of the sliding sleeve (30), and at least An accommodating recess (114) extends axially, and provides the protrusion portion (31) of the sliding sleeve (30) in which is located, and the shaft hole (21) of the transmission shaft tube (20) is located in the assembly end (22) The section can still form an escape hole (27) with a larger aperture.

As shown in the second preferred embodiment shown in Figures 5 and 6, the seat body (11) of the coil seat (10) and the transmission shaft tube (20) are two separate components that can be detached, and the transmission shaft tube (20) A ring flange (23) with a larger outer diameter is formed at the end of the assembly end (22) to abut the side end of the clutch sleeve (40), and the transmission shaft tube (20) is at the assembly end A buckle groove (24) is formed at the other end of (22), and a fastener (25) is buckled in the buckle groove (24), so that the transmission shaft tube (20) is positioned in the coil seat (10); The transmission shaft tube (20) can still form at least one movable groove (26) at the other end of the assembly end (22) to extend axially, and an alignment flange (32) and an alignment flange (32) and The movable groove (26) is correspondingly matched, and the shaft hole (21) of the transmission shaft tube (20) is located at the section of the assembly end (22) to form an escape hole (27) with a larger diameter.

As shown in the first and second preferred embodiments shown in the third to sixth figures, the clutch control device (1) may further include an elastic element (50) arranged on the sliding sleeve (30) and the clutch sleeve (40), used to push the sliding sleeve (30) to reset, the aforementioned elastic element (50) can be a spring, and is sleeved on the transmission shaft tube (20), and both ends abut against the sliding sleeve (20). The sleeve (30) and the clutch sleeve (40).

As for the composition of the linkage control mechanism of the present invention, in addition to the coil seat (10), the transmission shaft tube (20), the sliding sleeve (30), the clutch sleeve (40) and the elastic element (50) of the front clutch control device, it further includes A linkage plate group (60), the design of the coil seat (10), transmission shaft tube (20), sliding sleeve (30) and clutch sleeve (40) are the same as the design of the aforementioned clutch control device, here That is not to repeat it.

As for the linkage plate group (60) is connected between the clutch sleeve (40) and the latch linkage group (8), the linkage plate group (60) includes a first linkage plate (61), a second The interlocking plate (62) and at least one tension spring (63), the first and second interlocking plates (61) (62) are rotatably arranged in the latch interlocking group (8), and the first interlocking plate ( 61) The clutch sleeve (40) is connected, and the tension spring (63) is connected between the latch linkage group (8) and the second linkage plate (62).

As shown in Figure 8, in the aforementioned linkage plate group (60), a tension spring (63) can be used. The tension spring (63) includes a positioning portion (631) located in the middle section and two telescopic sections (632) located in the The two ends of the positioning portion (631) and the two sets of connecting ends (633) are located at the ends of the two telescopic sections (632), and the tension spring (63) is positioned in the latch linkage group (8) by the positioning portion (631) , The two sets of terminals (633) are connected to both sides of the second interlocking plate (62); in addition, the interlocking plate group (60) can also use two tension springs (not shown), and use the two tension springs One end is positioned in the latch linkage group (8), and the other end is respectively connected to both sides of the second linkage plate (62), so that the linkage plate group (60) is driven to be released after being rotated. A tension spring or a single tension spring (63) with two telescopic sections (632) provides tension, so that it can be operated more smoothly.

When the interlocking control mechanism and the clutch control device of the present invention are applied to the electronic lock, the interlocking control mechanism (1) is provided with a transmission shaft tube (20) to provide the drive shaft (7A) plug combination of the pressure plate driving device (7), The clutch sleeve (40) is connected to the drive board (8B) of the latch linkage group (8), the coil (12) of the coil base (10) is electrically connected to the electronic controller (6), when the electronic lock is applied to the door panel When the upper is used as a door lock, as shown in Figure 6) In the locked state, the convex portion (31) of the sliding sleeve (30) is pushed by the elastic force of the elastic element (50) to make the convex The block (31) and the recess (41) of the clutch sleeve (40) are in a disengaged state (as shown in Figure 6), so when someone presses the pressure plate (7B) on the outside of the door, the pressure plate can be driven The transmission shaft (7A) of the device drives the coil seat (10), the transmission shaft tube (20) and the sliding sleeve (30) to rotate, but the clutch sleeve (40) will not be driven to rotate, so that the clutch sleeve (40) is connected to it. ) The interlocking plate group (60) and the latch interlocking group (8) do not move and maintain the locked state.

When the user unlocks the electronic controller (6) on the outside of the door, the coil (12) of the coil base (10) will generate a magnetic field after passing current, and the magnetic force of the magnetic field will move the sliding sleeve (30) toward The assembly end (22) of the transmission shaft tube (20) is pulled in the direction, and the elastic element (50) is compressed, so that the convex portion (31) of the sliding sleeve (30) and the concave portion (41) of the clutch sleeve (40) Alignment engagement (as shown in the seventh figure), after that, the user can press the pressing plate (7B) on the outside of the door, as shown in the ninth figure, the pressing plate (7B) pushes the driving plate (7E) upward, Compress the spring (7G), and then utilize the tooth-like meshing relationship between the active tooth (7F) of the drive plate (7E) and the passive tooth (7D) of the driving shaft tube (7C), and the drive is set in the (7C) The transmission shaft (7A) rotates, so the coil seat (10), the transmission shaft tube (20), the sliding sleeve (30) and the clutch sleeve (40) are further driven to rotate via the transmission shaft (7A), and the clutch sleeve (40) Then, the drive plate (8A) of the latch linkage group (8) is driven to unlock the latch group via the first linkage plate (61) and the second linkage plate (62) of the linkage plate group (60).

During the aforementioned unlocking operation, as shown in Figure 8, the linkage plate assembly (60) uses two tension springs or a tension spring (63) with two telescopic sections (632) connected to the latch linkage assembly (8) Between the two sides of the second interlocking plate (62), so after the interlocking plate group (60) is driven to rotate, it can be released, and then the two tension springs or the two tension springs (63) can be expanded and contracted. The section (632) provides a larger and more balanced pulling force, which makes the operation of the electronic lock more smooth.

<p>(1). . . Linkage control mechanism</p><p>(2). . . Outer cover</p><p>(2A). . . Inner cover</p><p>(3). . . Lock Heart Group</p><p>(4). . . Outside handle group</p><p>(4A). . . Inside handle group</p><p>(6). . . Electronic controller</p><p>(7). . . Pressure plate driving device</p><p>(7A). . . transmission shaft</p><p>(7B). . . Pressure plate</p><p>(7C). . . Drive shaft tube</p><p>(7D). . . Passive tooth</p><p>(7E). . . Driver board</p><p>(7F). . . Active tooth</p><p>(7G). . . spring</p><p>(8). . . Latch linkage group</p><p>(8A). . . Driver board</p><p>(9). . . Latch knob</p><p>(10). . . Coil base</p><p>(11). . . Seat body</p><p>(111). . . Shaft tube</p><p>(112). . . Partition</p><p>(113). . . Accommodating hole</p><p>(114). . . Accommodating recess</p><p>(12). . . Coil</p><p>(20). . . Drive shaft tube</p><p>(twenty one). . . Shaft hole</p><p>(twenty two). . . Combination end</p><p>(twenty three). . . Ring flange</p><p>(twenty four). . . Buckle</p><p>(25). . . Fasteners</p><p>(26). . . Active slot</p><p>(27). . . Escape hole</p><p>(30). . . Sliding sleeve</p><p>(31). . . Bump</p><p>(32). . . Alignment flange</p><p>(40). . . Clutch cover</p><p>(41). . . Recess</p><p>(42). . . Assembly Department</p><p>(50). . . Elastic element</p><p>(60). . . Interlocking plate group</p><p>(61). . . The first linkage board</p><p>(62). . . Second linkage plate</p><p>(63). . . Tension spring (8D)</p><p>(631). . . Positioning Department</p><p>(632). . . Telescopic section</p><p>(633). . . Combination end</p>

The first and second figures are the three-dimensional exploded schematic diagram and the side combined cross-sectional schematic diagram of the first preferred embodiment of the linkage control mechanism including the clutch control device of the present invention, which is provided in the electronic lock.

The third figure is a three-dimensional exploded schematic diagram of the first preferred embodiment of the clutch control device in the linkage control mechanism shown in the first figure.

The fourth figure is a combined cross-sectional schematic diagram of the first preferred embodiment of the clutch control device in the linkage control mechanism shown in the first figure.

The fifth figure is a three-dimensional exploded schematic view of the second preferred embodiment of the clutch control device in the linkage control mechanism of the present invention.

Figure 6 is a schematic cross-sectional view of the second preferred embodiment of the clutch control device shown in Figure 5.

Figure 7 is a schematic diagram of the operation of the second preferred embodiment of the clutch control device shown in Figure 5.

The eighth figure is a schematic plan view of the combination of the linkage plate group and the latch linkage group in the linkage control mechanism of the present invention.

Figure 9 is a schematic plan view of the pressing plate driving device in the electronic lock shown in Figures 1 and 2.