CN211736700U - a smart lock - Google Patents

Abstract

The utility model provides an intelligent lock, include the handle dish of being connected with the handle and the commentaries on classics piece of being connected with the square bar, the handle dish with it changes the piece corotation when handle dish corotation and realizes the clutching mechanism who unblanks still to be equipped with the linkage between the piece, be equipped with semicircular guide way on the handle dish, be equipped with on the commentaries on classics piece and follow the guide way and remove and be the guide block of quarter circular arc, the guide block can handle dish switching-over 180 around correspond respectively with two tip butts of guide way can drive the piece reversal when handle dish reversal and realize the anti-lock. After the intelligent lock is subjected to identity authentication, the handle disc and the rotating block are linked through the clutch mechanism, the square rod can be driven to rotate forward to realize unlocking when the handle is rotated forward, and when the handle is not subjected to identity authentication and rotated forward, the guide block slides along the guide groove and cannot be linked with the square rod to rotate; when the reversal handle, handle dish drive commentaries on classics piece reversal to thereby make the square pole reversal realize the counter lock.

Description

a smart lock

technical field

The utility model relates to the field of locks, in particular to an intelligent lock.

Background technique

Generally, the smart lock will be equipped with a handle to facilitate the user to unlock, and the installation direction of the handle needs to be determined according to whether the door lock is installed on the left or right side of the door panel. Most smart lock handles do not have the function of reversing, so At the time of purchase, you need to select a smart lock with the appropriate handle direction according to the actual installation requirements. In order to facilitate installation, a smart lock with a handle that can be reversed 180° has emerged. However, some non-reversible smart locks on the market can realize the functions of self-locking and clutch unlocking by rotating the handle in different directions, while the existing reversible smart locks have not yet realized the function of turning the handle. Realize the function of self-locking.

Utility model content

The purpose of the utility model is to provide an intelligent lock with a reversible handle and a self-locking handle that can be rotated.

In order to achieve the above object, the utility model provides the following technical solutions:

An intelligent lock, comprising a handle plate connected with the handle and can be reversed by 180° and a turning block connected with a square rod, and there is also a setting between the handle plate and the turning block when the handle plate rotates forwardly. The clutch mechanism for unlocking is realized by the forward rotation of the linked rotating block, the handle plate is provided with a semicircular guide groove, and the rotating block is provided with a guide block that can move along the guide groove and is a quarter-circle arc The guide block can abut with the two ends of the guide groove respectively before and after the 180° reversal of the handle plate, and can drive the rotating block to reverse to realize anti-lock when the handle plate is reversed.

Further arrangement: the clutch mechanism includes a clutch pin that can be penetrated in the rotating block and the handle plate, and two clutch pins are symmetrically arranged relative to the handle plate, and the handle plate corresponds to the handle plate. The clutch pin is provided with two escape holes for the clutch pin to pass through, and the rotation block is respectively provided with escape holes for the clutch pin to pass through at its quarter-circle position. It also includes a driving mechanism that can drive the clutch pin to pass through the escape hole and the escape hole, and a reset elastic member that can drive the clutch pin to escape from at least one of the escape hole and the escape hole.

Further setting: the driving mechanism includes a guide plate that can abut with the clutch pin and provide arc-shaped guidance for the clutch pin, and also includes a guide plate that can drive the guide plate to move to push the clutch pin to penetrate the escape hole and the Drive motor in the escape hole.

Further arrangement: both ends of the guide plate are provided with guide parts that can drive the clutch pin to extend into the escape hole.

Further setting: the handle plate includes a chassis and a mounting block mounted on the chassis, the mounting block is provided with a mounting gap and forms the avoidance hole together with the chassis, and the mounting block is provided with a mounting hole and is connected and fixed with the chassis through the mounting holes by means of fasteners.

Further arrangement: the chassis is provided with a positioning groove into which the mounting block can be embedded.

It is further provided that a positioning gap is formed on the mounting block, and the guide groove is formed between the two positioning gaps.

Further arrangement: a limit ring protrudes from the outer wall of the clutch pin, and a limit groove for the limit ring to be embedded is formed on the chassis.

Further settings: the smart lock also includes a lock case, and a reset torsion spring that drives the handle disk to reset after the handle is rotated and released is connected between the handle plate and the lock case, and two of the reset torsion springs are connected. The ends respectively protrude outward in opposite directions, and the lock case is provided with two limit posts on the same side of the reset torsion spring, which can respectively abut against both ends of the reset torsion spring. The handle plate is provided with two limiting pieces on the same side of the reset torsion spring, respectively corresponding to abutting with both ends of the reset torsion spring.

Further arrangement: the limiting member includes a limiting block and a threaded fastener symmetrically arranged relative to the handle plate, and the handle plate is provided with a threaded hole that is threadedly matched with the threaded fastener.

Compared with the prior art, the scheme of the present utility model has the following advantages:

1. In the smart lock involved in the present utility model, a semicircular guide groove is provided on the handle plate, and a guide block with a quarter arc is arranged on the turning block. After the handle is switched forward and backward, the guide blocks are in contact with both ends of the guide groove respectively; after the smart lock is authenticated, the clutch mechanism makes the handle plate and the rotating block interlock. Unlock, when the handle is turned forward without authentication, the guide block slides along the guide groove and cannot rotate with the square rod; Invert to achieve anti-lock. During the reversing process, the handle plate rotates 180°, and the swivel block rotates 90°, so that the handle can realize the functions of forward unlocking and reverse locking after changing direction.

Additional aspects and advantages of the present invention will be set forth in part in the following description, which will become apparent from the following description, or will be learned by practice of the present invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is an exploded schematic view of an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of the handle switching forward in an embodiment of the present utility model;

3 is a schematic structural diagram of the handle after the hand is reversed in an embodiment of the present utility model;

4 is a schematic structural diagram of a chassis in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a rotating block in an embodiment of the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, but not to be construed as a limitation of the present invention.

As shown in FIG. 1 , the present invention provides a smart lock, comprising a lock case 1, a handle 2 and a square rod 3, the handle 2 is installed outside the lock case 1, and the square rod 3 is installed in the lock case 1 can be interlocked with the lock body to unlock or lock. Specifically, when the square rod 3 is rotated forward, the lock body is unlocked, and when the square rod 3 is reversed, the lock body is locked. The handle 2 is rotatably connected to the lock case 1, and one end of the handle 2 that penetrates into the lock case 1 is connected with a handle plate 4 that can be reversed by 180°, and the end of the square rod 3 is connected with a turning block 5. Between the handle plate 4 and the rotating block 5, there is also a clutch mechanism 6 which is linked with the rotating block 5 to rotate forward to realize unlocking when the handle plate 4 rotates forwardly. The handle plate 4 is provided with a semicircular guide groove 41 , and the rotating block 5 is provided with a guide block 51 that can move along the guide groove 41 and is a quarter arc. The handle plate 4 is in contact with the two ends of the guide groove 41 before and after the 180° reversal, and can drive the rotating block 5 to reverse to achieve anti-lock when the handle 2 is reversed.

2 and 3, specifically, because the comfortable unlocking habit of the human body is to press and turn the handle 2 to unlock, the forward rotation referred to above is the rotation direction of the handle plate 4 after the handle 2 is pressed down. . For example, when the smart lock is installed on the left side of the door panel, in order to avoid hitting the door frame during the door opening process, the force application point of the handle 2 is located on the right side of its rotation center. In the initial state, the guide groove 41 is located in the right half of the handle plate 4 , and the guide block 51 is located in the upper half of the guide groove 41 , that is, in contact with the upper end of the guide groove 41 .

After the identity verification is successful, the clutch mechanism 6 makes the handle plate 4 and the rotating block 5 rotate in linkage, at this time, the handle 2 is pressed and rotated, and the handle plate 4 drives the rotating block 5 to rotate to drive the square rod 3 to rotate clockwise, so that the lock Body unlocked. When the identity verification is not carried out, the clutch mechanism 6 cannot work, that is, the handle plate 4 and the rotating block 5 cannot be linked with each other, that is, when the handle 2 is pressed and rotated, the handle plate 4 and the rotating block 5 rotate relative to each other, and the guide block 51 When moving relative to the guide groove 41, the rotating block 5 and the square rod 3 do not move, and the unlocking cannot be realized. When the handle 2 is lifted and rotated, using the abutting relationship between the guide block 51 and the guide groove 41, the handle plate 4 pushes the rotating block 5 to rotate, so that the square rod 3 rotates counterclockwise to realize the lock body reverse locking.

When the smart lock is installed on the left side of the door panel, similarly, the force application point of the handle 2 is located on the left side of its rotation center. Compared with the forward state, the handle plate 4 rotates 180° with the handle 2, that is, the guide groove 41 is located in the left half of the handle plate 4, and the turning block 5 is rotated 90°, so that the guide block 51 is kept at the left half of the handle plate 4. The upper half of the guide groove 41 is still in contact with the upper end of the guide groove 41 , but in fact, the front and rear guide blocks 51 abut on different ends of the guide groove 41 respectively. Similarly, when the handle 2 is pressed down and rotated, the handle plate 4 rotates counterclockwise. When the clutch mechanism 6 is not working, the guide block 51 moves relative to the guide groove 41, and when the handle 2 is lifted and rotated, the handle plate 4 moves along the Clockwise rotation, the handle plate 4 pushes the rotating block 5 to rotate, so that the square rod 3 rotates clockwise to realize the lock body anti-locking. Since the positions of the smart locks installed on the door panels are different, and the extension and retraction directions of the lock tongues are opposite, the direction of rotation of the square rod 3 corresponding to the anti-locking and unlocking is also opposite to the forward direction. Based on the above analysis, the smart lock can realize the functions of pressing down the rotary handle 2 to unlock and lifting the rotary handle 2 to lock up.

In this embodiment, the clutch mechanism 6 includes a clutch pin 61 that can be inserted through the rotating block 5 and the handle plate 4 . The clutch pin 61 is symmetrically arranged with two pairs of the handle plate 4 . There are two escape holes on the handle plate 4 corresponding to the clutch pins 61 for the clutch pins 61 to pass through, and the rotary block 5 is respectively provided with a quarter-circle position that can pass through. The escape hole 52 for the clutch pin 61 to pass through, the clutch mechanism 6 further includes a drive mechanism 62 that can drive the clutch pin 61 to pass through the escape hole and the escape hole 52 and a drive mechanism 62 that can drive the clutch pin 61 is out of the escape hole and at least one of the return elastic member of the escape hole, and the return elastic member is a return spring 63 .

Preferably, the driving mechanism 62 includes a guide plate 621 that can abut with the clutch pin 61 and provide arc-shaped guidance for the clutch pin 61, and also includes a guide plate 621 that can drive the guide plate 621 to move to push the clutch pin 61 to penetrate The avoidance hole and the drive motor 622 in the avoidance hole 52 . The guide plate 621 is slidably connected to the lock housing 1 , and the drive motor 622 is a linear motor.

When the identification of the smart lock is successful, the drive motor 622 drives the push plate to move, and the push plate pushes the clutch pin 61 into the avoidance hole 52, so that the handle plate 4 and the rotary block 5 are linked with each other. When the drive motor 622 drives the push plate When moving away from the handle plate 4 , the clutch pin 61 escapes outward under the elastic action of the return spring 63 and escapes from the avoidance hole 52 , and the handle plate 4 and the rotating block 5 are no longer linked.

In this embodiment, when the handle 2 is reversed, the handle plate 4 rotates 180°, the two clutch pins 61 on the handle plate 4 are reversed up and down, and the rotating block 5 only rotates 90 degrees, so the rotating block 5 There are four avoidance holes 52 on the top, and the included angle between the two adjacent avoidance holes 52 and the rotation center of the rotating block 5 is 90°, so that the clutch pin 61 can still penetrate to the rotating center after the handle 2 is reversed. inside the escape hole 52 of the block 5 .

Preferably, both ends of the guide plate 621 are provided with guide portions 6211 that can drive the clutch pin 61 to extend into the escape hole 52 . Specifically, the two ends of the guide plate 621 are displaced outwardly away from the center of the arc along the arc line thereof to form the guide portion 6211 . By arranging the guide portion 6211, the clutch pin 61 can be retracted into the escape hole 52 when it contacts the guide portion 6211, so that the handle plate 4 can be smoothly rotated and reset, avoiding the phenomenon that the handle 2 cannot be reset after being rotated. .

4 and 5 , in this embodiment, the handle plate 4 includes a chassis 42 and a mounting block 43 mounted on the chassis 42 . The mounting block 43 is provided with a mounting gap 431 and is connected with the chassis 42 . The chassis 42 together form the avoidance hole, and the mounting block 43 is provided with a mounting hole 432 and is connected and fixed to the chassis 42 through the mounting hole 432 by means of a fastener. Preferably, the chassis 42 is provided with a positioning groove 421 into which the mounting block 43 can be embedded.

The assembly structure of the mounting block 43 and the chassis 42 is adopted, which makes the assembly of the clutch pin 61 and the handle plate 4 more convenient. In addition, the positioning groove 421 provides a positioning function for the mounting block 43, which reduces the difficulty of installation and improves the connection stability of the two. sex.

Preferably, the mounting blocks 43 are provided with positioning notches 433 , and the guiding grooves 41 are formed between the positioning notches 433 on the two mounting blocks 43 . In this embodiment, the two mounting blocks 43 are not in direct contact. In other embodiments, the two mounting blocks 43 may also be in direct contact. The positioning notch 433 cooperates with the guide block 51 to provide guidance for the guide block 51, and also provides a limit function for the guide block 51, and the two installation blocks 43 are not in direct contact, which can also reduce the consumption of materials and make the smart lock as a whole. Lighter mass.

Preferably, the handle plate 4 is provided with a plurality of weight reduction holes 44 , and the plurality of weight reduction holes 44 are symmetrical along the center of the handle plate 4 . By opening the weight-reducing hole 44, the weight of the handle plate 4 can be reduced, so that the rotation of the handle 2 is more labor-saving, and at the same time, the overall quality of the smart lock is further reduced, and the transportation cost is reduced.

Further, a limit ring 611 protrudes from the outer wall of the clutch pin 61 , and a limit groove 422 is formed on the chassis 42 for the limit ring 611 to be embedded. Preferably, the inner wall of the installation block 43 Correspondingly, a limit groove 422 into which the limit ring 611 can be embedded is also correspondingly opened. By opening the limit groove 422 , on the one hand, it provides a guiding function for the expansion and contraction of the clutch pin 61 , and on the other hand, the limit groove 422 also provides a limit function for the movement of the clutch pin 61 , preventing the clutch pin 61 from passing through the handle plate 4 . come out. In this embodiment, the return spring 63 is sleeved on the clutch pin 61 , and one end of the return spring 63 is in contact with the limiting ring 611 .

In this embodiment, a reset torsion spring 7 is connected between the handle plate 4 and the lock housing 1 to drive the handle plate 4 to reset after the handle 2 is rotated and released. The ends respectively protrude outward in opposite directions. In this embodiment, the return torsion spring 7 is wound in a ring shape, and its two ends extend respectively along two opposite directions of the center symmetry line of the ring body. The lock housing 1 is provided with two limit posts 11 on the same side of the reset spring 63, which can be respectively contacted with both ends of the reset torsion spring 7. The handle plate 4 is on the reset torsion. The same side of the spring 7 is provided with two limiting members 45 that can respectively abut against both ends of the return torsion spring 7 .

When the handle 2 rotates, one of the limiting pieces 45 on the handle plate 4 is pressed against one end of the reset torsion spring 7 and pushes the reset torsion spring 7 to move, but because the two ends of the reset torsion spring 7 are affected by the lock housing 1 One end of the reset torsion spring 7 is elastically deformed by the restraint of the limit post 11, so that the reset torsion spring 7 has elastic potential energy, which can drive the handle 2 to rotate and reset after the handle 2 is released.

Preferably, the limiting member 45 includes a limiting block 451 and a threaded fastener 452 symmetrically arranged relative to the handle plate 4 , and the handle plate 4 is provided with a thread for threaded engagement with the threaded fastener 452 The threaded hole 46 is preferably, the limiting block 451 is integrally formed on the handle plate 4 .

By setting one of the limiting pieces 45 as a threaded fastener 452 threadedly connected to the handle plate 4, when the handle 2 is reversed, the threaded fastener 452 can be unscrewed from the threaded hole 46, and at this time the threaded fastener 452 can be screwed out to the threaded hole 46. The limit block 451 rotates the handle plate 4 away from the end of the return torsion spring 7, the handle plate 4 is not constrained by the return torsion spring 7, and the limit block 451 rotates from one end of the return torsion spring 7 to its return torsion. After removing the other end of the spring 7, screw the threaded fastener 452 into the threaded hole 46 for fixing, which realizes the reversing of the handle plate 4, and makes the reversing of the handle 2 more convenient and quick.

The above are only partial embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principles of the present invention. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (10)

1. an intelligent lock, is characterized in that: comprise the handle plate that is connected with the handle and can be reversed by 180° and the turning block connected with the square bar, and is also provided with between the handle plate and the turning block. When the handle plate rotates forwardly, the linkage rotating block rotates forward to realize the unlocking clutch mechanism. The handle plate is provided with a semi-circular guide groove, and the rotating block is provided with a quarter-shaped guide groove that can move along the guide groove. A circular arc guide block, the guide block can abut with the two ends of the guide groove before and after the 180° reversal of the handle plate, and can drive the rotating block to reverse when the handle plate is reversed. Turn to achieve anti-lock. 2 . The smart lock according to claim 1 , wherein the clutch mechanism comprises a clutch pin that can pass through the rotating block and the handle plate, and the clutch pin is opposite to the handle plate. 3 . There are two symmetrically arranged, and the handle plate is provided with two escape holes corresponding to the clutch pins for the clutch pins to pass through. an escape hole through which the clutch pin passes, and the clutch mechanism further includes a drive mechanism that can drive the clutch pin to pass through the escape hole and the escape hole, and a drive mechanism that can drive the clutch pin to escape from the escape hole and the escape hole at least one reset elastic member. 3 . The smart lock according to claim 2 , wherein the driving mechanism comprises a guide plate that can abut with the clutch pin and provide arc-shaped guidance for the clutch pin, and further comprises a guide plate that can drive the guide plate to move. 4 . to push the clutch pin through the escape hole and the drive motor in the escape hole. 4 . The smart lock according to claim 3 , wherein both ends of the guide plate are provided with guide portions that can drive the clutch pin to extend into the escape hole. 5 . 5 . The smart lock according to claim 2 , wherein the handle plate comprises a chassis and a mounting block mounted on the chassis, and the mounting block is provided with a mounting gap and is formed together with the chassis. 6 . In the avoidance hole, the mounting block is provided with a mounting hole and is connected and fixed with the chassis through the mounting hole by means of a fastener. 6 . The smart lock according to claim 5 , wherein the chassis is provided with a positioning groove into which the mounting block can be embedded. 7 . 7 . The smart lock according to claim 5 , wherein a positioning notch is formed on the mounting block, and the guide groove is formed between the two positioning notches. 8 . 8 . The smart lock according to claim 5 , wherein a limit ring protrudes from the outer wall of the clutch pin, and a limit groove is formed on the chassis for the limit ring to be embedded. 9 . 9 . The smart lock according to claim 1 , further comprising a lock case, and a reset torque that drives the handle disk to reset after the handle is rotated to release pressure is connected between the handle plate and the lock case. 10 . The two ends of the reset torsion spring protrude outwards in two opposite directions respectively, and the lock shell is provided with two opposite ends of the reset torsion spring on the same side of the reset torsion spring. For the abutting limit posts, the handle plate is provided with two limit pieces on the same side of the reset torsion spring, which can respectively correspond to abutment with both ends of the reset torsion spring. 10 . The smart lock according to claim 9 , wherein the limiting member comprises a limiting block and a threaded fastener that are symmetrically arranged relative to the handle plate, and the handle plate is provided with a connection with the handle plate. 11 . Threaded holes into which the threaded fasteners are threaded.

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