阅读说明：本技术 一种用于内置电机电子锁快速切换离合状态的安全装置 (Safety device for quickly switching clutch state of built-in motor electronic lock ) 是由 陆剑 丁海涛 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种用于内置电机电子锁快速切换离合状态的安全装置,包括锁本体,所述锁本体上分别设有保险舌和保险旋钮,所述保险旋钮下方设有下层拨片,所述保险旋钮的侧壁设有上层拨齿,所述上层拨齿与下层拨片在保险旋钮上处于分层状态,且所述上层拨齿通过拨齿啮合连接有离合器联动板,所述变速箱上设有变速箱离合器,反向带动保险旋钮时,上层拨齿能够带动离合器联动板向下移动,此时离合器联动板末端嵌入变速箱离合器,使电机与变速箱解除传动。与现有技术相比,本发明能电子锁发生故障时,迅速切除电机与锁本体的连接,将电子锁切换成机械锁,有效提高了内置电机电子锁的安全等级。(The invention discloses a safety device for quickly switching a clutch state of an electronic lock with a built-in motor, which comprises a lock body, wherein a safety tongue and a safety knob are respectively arranged on the lock body, a lower-layer shifting piece is arranged below the safety knob, upper-layer shifting teeth are arranged on the side wall of the safety knob, the upper-layer shifting teeth and the lower-layer shifting pieces are in a layered state on the safety knob, the upper-layer shifting teeth are meshed with a clutch linkage plate through shifting teeth, a gearbox clutch is arranged on a gearbox, when the safety knob is driven reversely, the upper-layer shifting teeth can drive the clutch linkage plate to move downwards, and the tail end of the clutch linkage plate is embedded into the gearbox clutch, so that the motor and the gearbox are released from transmission. Compared with the prior art, the invention can rapidly cut off the connection between the motor and the lock body when the electronic lock has a fault, and switch the electronic lock into a mechanical lock, thereby effectively improving the safety level of the electronic lock with the built-in motor.)

1. The utility model provides a safety device for built-in motor electronic lock fast switch-over clutching state, includes the lock body, be equipped with insurance tongue and insurance knob on the lock body respectively, insurance knob below is equipped with lower floor's plectrum, its characterized in that: the side wall of the safety knob is provided with upper-layer shifting teeth, the upper-layer shifting teeth and the lower-layer shifting piece are in a layered state on the safety knob, the upper-layer shifting teeth are connected with a clutch linkage plate through shifting teeth in a meshed mode, a gearbox clutch is arranged on the gearbox, when the safety knob is driven reversely, the upper-layer shifting teeth can drive the clutch linkage plate to move downwards, the tail end of the clutch linkage plate is embedded into the gearbox clutch at the moment, the motor and the gearbox are disengaged from transmission, the lock body is unlocked in a manual state, otherwise, the gearbox clutch is reset, and the gearbox and the motor are in transmission recovery.

2. The safety device for rapidly switching the clutch state of the built-in motor electronic lock according to claim 1, is characterized in that: the gearbox clutch has a pivot of fixing on the gearbox surface, a wane is cup jointed to the pivot outside, wane one end bottom is equipped with the slot, and the other end bottom is fixed on the surface at the inside first driven gear of gearbox through two depression bars, the coaxial stack in first driven gear surface has the second driven gear, the meshing of second driven gear is connected with the third driven gear, and when the clutch linkage board moved down, the terminal matching embedding of clutch linkage board the slot makes the wane other end push down, and first driven gear drives the second driven gear and moves down, and the second driven gear breaks away from the meshing with the third driven gear.

3. The safety device for rapidly switching the clutch state of the built-in motor electronic lock as claimed in claim 2, wherein: and a return spring is arranged on the bottom surface of the first driven gear, so that the second driven gear is reset and meshed with the third driven gear when the other end of the seesaw tilts upwards.

4. The safety device for rapidly switching the clutch state of the built-in motor electronic lock according to claim 1, is characterized in that: and one end of the clutch linkage plate is provided with gear teeth matched with the upper layer of shifting teeth.

Technical Field

The invention relates to the technical field of safety application of an electronic lock with a built-in motor, in particular to a safety device for quickly switching a clutch state of the electronic lock with the built-in motor.

Background

At present, all built-in motor electronic locks are driven by micro motors with gearboxes, and the motors drive the variable gearboxes to drive main bolts and inclined bolts to complete the locking and unlocking operations of the electronic locks. The connection between the motor and the gear needs to be released after the locking and unlocking operation of the built-in motor of the electronic lock body is completed, so that the built-in motor clutch is in a release state, the electronic lock body can be unlocked and locked by using the handle at the moment, and the lock cylinder can also be used for unlocking and locking by using the key. The release of the clutch of the electronic lock with the built-in motor is connected with the gear in an electric clutch mode, and under certain extreme conditions, such as electronic system faults, power failure during the working period of the driving clutch, combination faults and the like, the electric clutch mode has the possibility that the gear connection released by the motor cannot be completed, at the moment, the unlocking and the locking cannot be realized by using a handle or a lock cylinder, and certain potential safety hazards exist.

Disclosure of Invention

In order to solve the above-mentioned drawbacks, the present invention provides a safety device for fast switching clutch state of an electronic lock with a built-in motor, which can rapidly cut off the connection between the motor and the internal gear structure of the lock body when the motor or the electronic system of the electronic lock with the built-in motor fails, and switch the electronic lock with the built-in motor into a mechanical lock without an electronic system, without being affected by the motor, and can unlock and lock the electronic lock with the handle and the lock cylinder at any time, thereby effectively improving the safety level of the electronic lock with the built-in motor; in the current market, when an external motor electronic lock fails, a fire-fighting unlocking knob is added to solve the switching of motor clutch, an internal motor has no effective measures, and the invention directly utilizes a safety knob to achieve the purpose of solving the switching of the motor clutch without adding a new knob; the original lock body panel structure is kept, the application cost is greatly reduced, and the lock body panel structure has important significance for popularization, application and development of the built-in motor electronic lock.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a safety device for built-in motor electronic lock fast switch over clutching state, includes the lock body, be equipped with insurance tongue, big spring bolt, oblique tongue, day ground hook, insurance knob, motor, gearbox and the drive disk assembly be connected with the motor on the lock body respectively, insurance knob below is equipped with the lower floor plectrum, insurance tongue linkage piece is connected with to insurance tongue below, forward drives insurance knob, makes the lower floor plectrum drive insurance tongue linkage piece accomplish the operation of locking of insurance tongue, and insurance knob return satisfies insurance tongue and resets its characterized in that: the side wall of the safety knob is provided with upper-layer shifting teeth, the upper-layer shifting teeth and the lower-layer shifting piece are in a layered state on the safety knob, the upper-layer shifting teeth are connected with a clutch linkage plate through shifting teeth in a meshed mode, a gearbox clutch is arranged on the gearbox, when the safety knob is driven reversely, the upper-layer shifting teeth can drive the clutch linkage plate to move downwards, the tail end of the clutch linkage plate is embedded into the gearbox clutch at the moment, the motor and the gearbox are disengaged from transmission, the lock body is unlocked in a manual state, otherwise, the gearbox clutch is reset, and the gearbox and the motor are in transmission recovery.

Furthermore, the safety tongue linkage plate and the clutch linkage plate are designed in a layered structure.

The gearbox clutch has a pivot of fixing on the gearbox surface, a wane is cup jointed to the pivot outside, wane one end bottom is equipped with the slot, and the other end bottom is fixed on the surface at the inside first driven gear of gearbox through two depression bars, the coaxial stack in first driven gear surface has the second driven gear, the meshing of second driven gear is connected with the third driven gear, and when the clutch linkage board moved down, the terminal matching embedding of clutch linkage board the slot makes the wane other end push down, and first driven gear drives the second driven gear and moves down, and the second driven gear breaks away from the meshing with the third driven gear.

And a return spring is arranged on the bottom surface of the first driven gear, so that the second driven gear is reset and meshed with the third driven gear when the other end of the seesaw tilts upwards.

And one end of the clutch linkage plate is provided with gear teeth matched with the upper layer of shifting teeth.

The invention adds gears on the original lock body safety knob, namely, adds upper layer shifting teeth, and uses a motor gearbox with a mechanical clutch device to complete the clutch switching of the built-in motor of the lock body through the operation of the safety knob; when a user drives the safety knob in the forward direction, the lower layer shifting piece drives the safety tongue linkage piece to complete the locking operation of the safety tongue, and the safety knob returns to the original position, so that the safety tongue is reset; when the safety knob is driven reversely, the upper layer of shifting teeth drives the clutch linkage plate to move downwards, the clutch linkage plate is pressed downwards to enable the clutch of the gearbox to be released, the motor is separated from the mechanical structure of the lock body, the lock body is unlocked in a manual state, the safety knob returns to the original position, the clutch of the gearbox is reset, and the gearbox returns to normal work; the lower-layer shifting piece and the upper-layer shifting teeth are designed in a layered structure and share the safety knob, and mechanical mechanisms of safety devices in the lock body independently run without interference when a user operates the safety knob in the positive and negative directions.

The invention has the beneficial effects that: for the built-in motor electronic lock, when electronic and electrical faults occur, mechanical parts of a lock body can be locked by a motor, and the lock cannot be unlocked and locked by using a handle and a lock cylinder, the built-in motor of the electronic lock is released in a clutch mode by reversely rotating a safety knob, the motor is separated from other mechanical mechanisms of the lock body, and the lock can be unlocked and locked by the handle and the lock cylinder, so that the safety level of the built-in motor electronic lock is greatly improved; meanwhile, the lock body is not additionally provided with the fire-fighting knob to clutch the built-in motor, but the built-in motor is clutched in a mode of newly increasing the gear of the safety knob, so that the purpose of the fire-fighting knob is achieved, and the manufacturing cost of the electronic lock with the built-in motor is reduced.

Drawings

The structure and features of the present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the safety knob according to the present invention.

Fig. 3 is a schematic view of a connection structure of the safety tongue and the safety tongue linkage plate according to the present invention.

Fig. 4 is a schematic structural view of the clutch linkage plate according to the present invention.

Fig. 5 is a schematic view of the connection structure of the motor, the gearbox and the gearbox clutch according to the present invention.

Fig. 6 is a schematic view of the internal structure of the transmission case of the present invention.

In the attached drawings 1-5, 1 is a safety tongue, 2 is a safety tongue toggle wheel, 3 is a safety tongue linkage plate, 4 is a clutch linkage plate, 5 is a motor, 6 is a motor gearbox, 7 is a gearbox clutch, 8 is a big lock tongue, 9 is an oblique tongue, 10 is a lock body, 11 is a top and bottom hook 12, a transmission part, 13 is an upper layer toggle tooth, 14 is a lower layer toggle piece, 15 is a groove, 16 is a rocker, 17 is a rotating shaft, 18 is a first driven gear, 19 is a second driven gear, 20 is a pressure lever, 21 is a third driven gear.

Detailed Description

Referring to fig. 1-6, an embodiment of the invention discloses a safety device for quickly switching a clutch state of an electronic lock with a built-in motor, which comprises a lock body 10, wherein the lock body 10 is respectively provided with a safety tongue 1, a large lock tongue 8, an inclined tongue 9, a top and bottom hook 11, a safety knob 2, a motor 5, a gearbox 6 connected with the motor 5 and a transmission component 12, a lower layer shifting piece 14 is arranged below the safety knob 2, a safety tongue linkage piece 3 is connected below the safety tongue 4, the safety knob 2 is positively driven, the lower layer shifting piece 14 drives the safety tongue linkage piece 3 to complete locking operation of the safety tongue 1, the safety knob 2 returns to meet the resetting of the safety tongue 1, an upper layer shifting tooth 13 is arranged on the outer wall of the safety knob 2, the upper layer shifting tooth 13 and the lower layer shifting piece 14 are in a layered state on the safety knob, and the upper layer shifting tooth 13 is connected with a clutch linkage plate 4 through shifting tooth meshing, the gearbox 6 is provided with a gearbox clutch 7, when the safety knob 2 is driven reversely, the upper layer of shifting teeth 13 drives the clutch linkage plate 4 to move downwards, at the moment, the tail end of the clutch linkage plate 4 is embedded into the gearbox clutch 7, the motor 5 and the gearbox 6 are in transmission release, the lock body 20 is unlocked in a manual state, otherwise, the safety knob 2 is driven forwardly, the upper layer of shifting teeth 13 drives the clutch linkage plate 4 to move upwards, at the moment, the tail end of the clutch linkage plate 4 is separated from the gearbox clutch 7, the gearbox clutch 7 resets, the gearbox 6 and the motor 5 are in transmission recovery, the clockwise rotation safety knob is set as the reverse driving safety knob in the application, and the anticlockwise rotation safety knob is set as the forward driving safety knob in the application.

The safety tongue linkage plate 3 and the clutch linkage plate 4 are designed in a layered structure.

Gearbox clutch 7 has a pivot 17 of fixing on 6 surfaces of gearbox, a wane 16 is cup jointed to pivot 17 outside, 16 one end bottoms of wane are equipped with slot 15, and the other end bottom is fixed on 6 inside first driven gear 18's of gearbox surface through two depression bars 20, the coaxial stack in first driven gear 18 surface has second driven gear 19, second driven gear 19 meshing is connected with third driven gear 21, and when clutch linkage plate 4 moved down, the terminal matching embedding of clutch linkage plate 4 was this slot 15, makes 16 other ends of wane accomplish through depression bar 20 and pushes down, makes first driven gear 18 drive second driven gear 20 move down, and second driven gear 20 breaks away from and the meshing of third driven gear 21, and the motor and clutch relieved transmission this moment.

The bottom surface of the first driven gear 18 is provided with a return spring, so that when the other end of the rocker 16 tilts, the second driven gear 20 returns to be meshed with the third driven gear 21, and at the moment, the motor and the clutch recover transmission.

And one end of the clutch linkage plate 4 is provided with gear teeth matched with the upper layer shifting teeth 13.

In the embodiment of the invention, the gear is added on the original lock body safety knob 2, namely the upper layer shifting teeth 13 are added, and the gearbox 6 with a mechanical clutch device is used, so that the clutch switching of the built-in motor of the lock body is completed through the operation of the safety knob 2; when a user drives the safety knob 2 in the forward direction, the lower layer shifting piece 14 drives the safety tongue linkage piece 3 to complete the locking operation of the safety tongue 1, and the safety knob 2 returns to the original position, so that the safety tongue is reset; when the safety knob 2 is driven reversely, the upper layer of shifting teeth 13 drives the clutch linkage plate 4 to move downwards, the clutch linkage plate 4 is pressed downwards to enable the gearbox clutch 7 to be released, the motor 5 is separated from the gearbox 6, transmission is released, the lock body 10 is unlocked in a manual state, the safety knob 2 returns to the original position, the gearbox clutch 7 resets, and the gearbox 6 and the motor 5 recover transmission; the lower-layer shifting piece and the upper-layer shifting teeth are designed in a layered structure and share the safety knob, and mechanical mechanisms of safety devices in the lock body independently run without interference when a user operates the safety knob in the positive and negative directions.

The above description is only a preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention, and modifications, modifications or equivalents thereof, which may occur to those skilled in the art, are included within the scope of the present invention.