CN111101756B - Intelligent door lock - Google Patents

Abstract

The present invention proposes an intelligent door lock, comprising: a lock box; an outer handle, on which a fingerprint module is installed; a rotating shaft, connected in the lock box, one end of the rotating shaft and the outer handle connected by hand, the rotating shaft can follow the outer handle to rotate relative to the lock box; a long hole is opened in the axial direction on the rotating shaft, and the two ends of the long hole are divided into two ends located at the end of the rotating shaft The main board is close to the other end of the rotating shaft; the signal line is passed through the elongated hole, one end is connected to the fingerprint module, and the other end is connected to the main board. The invention can reduce the motion stroke of the signal line, avoid the distortion and obstruction of the signal line when the direction is changed, and increase the service life of the signal line.

Description

smart door lock

technical field

The invention belongs to the technical field of door locks, in particular to an intelligent door lock.

Background technique

Among smart home appliances and household products, there is a type of smart door lock that is a "one-grip" smart lock. The fingerprint module of the smart door lock is located on the handle. When opening the door, when the hand is held on the handle, the thumb can directly press the fingerprint module. The lock is unlocked on the group, commonly known as one-grip.

Since the fingerprint module is on the handle, the signal line of the fingerprint module needs to pass through the handle, protrude from the rotating shaft, and be connected upward to the main board. At present, most of the smart door locks on the market design the outlet of the signal line on the side of the handle. When the handle changes direction and rotates, it will drive the signal line of the fingerprint module to move for a long distance. There are many turning points. When the handle changes direction and turns, the movement wear of the signal line is large, so the life of the signal line is greatly affected by this place.

Contents of the invention

Aiming at the above technical problems, the present invention proposes an intelligent door lock. When the handle is reversing, the signal line does not follow the reversing action to rotate in a large range, which can reduce the movement stroke of the signal line and avoid the signal line when reversing. Twisted and blocked problems, increase the service life of the signal line.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A smart door lock, comprising:

lock box;

An outer handle, on which a fingerprint module is installed;

The rotating shaft is connected in the lock box, one end of the rotating shaft is connected with the outer handle, and the rotating shaft can follow the outer handle to rotate relative to the lock box;

A long hole is opened in the axial direction of the rotating shaft, and the two ends of the long hole are divided into ends located at the ends of the rotating shaft;

The main board is close to the other end of the rotating shaft;

The signal line passes through the elongated hole, one end is connected with the fingerprint module, and the other end is connected with the main board.

Optionally, a connecting seat is connected to the other end of the rotating shaft in the lock box, and an outlet is provided on the connecting seat, the rotating shaft can rotate 180° relative to the connecting seat, and the signal line passes through Connect to the main board through the long hole and the outlet.

Optionally, a support plate is provided on the end of the rotating shaft opposite to the outer handle, the support plate is against the connecting seat, a guide block is provided on the support plate, and a guide block is provided on the connecting seat. The semi-circular guide groove that the guide block fits into.

Optionally, the outlet is located on the side of the connection seat, the mouth of the outlet is rounded, and the width of the outlet is from the rotation center of the connection seat to the side end of the connection seat. It is set within the range of 90°-100°, and a wire slot is provided on the connecting seat at the end of the wire outlet away from the rotating shaft.

Optionally, the wire outlet communicates with a middle position of the guide groove, the guide block is located at an end of the guide groove, and the wire outlet is located outside the lock box.

Optionally, when the connecting seat changes direction or rotates idly, the guide block moves from one end of the guide groove to the other end of the guide groove, and the connecting seat moves relative to the support plate. position remains unchanged.

Optionally, a slot is provided at the end of the rotating shaft opposite to the outer handle, and a clutch pin corresponding to the slot is provided on the connecting seat.

Optionally, the lock box is provided with a reversing module for changing the direction of the external handle, and a limit block that cooperates with the reversing module for positioning the reversing module, and the reversing module and The rotating shaft is connected.

Optionally, the reversing module includes a reversing seat and a bearing connected to the reversing seat, a limit column is arranged on the reversing seat toward the direction of the support plate, and a movable A limiting plate abutting against the limiting post, and a return spring abutting against the limiting post is connected to the rotating shaft.

Optionally, the smart door lock further includes a casing, and a cover connected to the casing, the lock box is connected inside the casing, and the outer handle is located outside the casing.

Compared with prior art, advantage and positive effect of the present invention are:

When the clutch pin is not in contact with the card slot, the outer handle at this time can be idling or reversed, the guide block slides in the guide slot, the position of the connecting seat relative to the support plate does not move, and the signal line does not need to be rotated at a large angle. There will be no large bending, which reduces the movement wear of the signal line, making the movement wear of the signal line smaller and the service life longer;

When the clutch pin is in contact with the card slot, the door can be opened when the rotation angle is less than 55°, and the rotating shaft drives the connecting seat to pull the signal line when rotating. Smaller, the range of activity of the signal line in the outlet opening corresponds to the width of the outlet opening and the rotation angle, so that the signal line will not be bent greatly, reducing the movement wear of the signal line.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is an exploded view of the present invention;

Fig. 2 is a half sectional view of the present invention;

Fig. 3 is a state diagram of the connecting seat when the outer handle is idling or reversing according to the present invention;

Fig. 4 is a state diagram of the connecting seat when the outer handle of the present invention opens the door;

Figure 5 is a partial exploded view of the present invention;

Fig. 6 is a schematic diagram of the connection mechanism between the lock box and the reversing module in the present invention;

Fig. 7 is a schematic diagram of the connection structure between the rotating shaft and the connecting seat in the present invention;

Fig. 8 is an exploded view of the rotating shaft and the connecting seat in the present invention;

Fig. 9 is a schematic structural view of the connecting seat in the present invention;

Fig. 10 is a partially enlarged view of part A in Fig. 2;

Fig. 11 is a partially enlarged view of part B in Fig. 3;

FIG. 12 is a partially enlarged view of part C in FIG. 4 .

Among the above figures: 1, lock box; 11, connection hole; 12, lock box cover; 121, reversing adjustment port; 2, outer handle; 21, handle seat; Hollow screw; 3, fingerprint module; 31, signal line; 4, rotating shaft; 41, long hole; 42, card slot; 43, support plate; 431, guide block; 432, limit plate; 44, connection groove; 5. Connection seat; 51. Groove; 52. Clutch pin; 53. Outlet; 54. Guide groove; 55. Connection groove; 56. Wire groove; 6. Shell; 61. Cover plate; ; 7, reversing module; 71, reversing seat; 711, limit post; 72, bearing; 73, return spring; 8, limit block.

Detailed ways

In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.

An intelligent door lock, see Figure 1, Figure 5, Figure 7 to Figure 10, including:

The lock box 1 is provided with a connection hole 11 on the lock box 1, and is connected with the lock box 1 with a lock box cover 12;

The outer handle 2, the outer handle 2 is a handle outside the door, which is located on the outside of the lock box 1 and can rotate relative to the lock box 1. The outer handle 2 includes a handle seat 21, and a handle 22 connected with the handle seat 21, The handle seat 21 of the outer handle 2 has a through hollow cavity 211, and a hollow screw 23 is fixedly connected to the hollow cavity 211, and the threaded end of the hollow screw 23 faces the lock box 1;

On the handle base 21, a fingerprint module 3 is installed on the end of the hollow cavity 211 away from the lock box 1, and the hollow cavity 211 is provided with a signal line 31 connected to the fingerprint module 3. The length of the signal line 31 can be set according to actual needs. ;

The rotating shaft 4 is connected in the lock box 1, and one end of the rotating shaft 4 is connected with the handle seat 21 of the outer handle 2. Specifically, a long hole 41 is provided on the axial central axis position of the rotating shaft 4, and the two sides of the long hole 41 The end part is located at the end of the rotating shaft 4 and runs through the rotating shaft 4. The rotating shaft 4 passes through the connecting hole 11 of the lock box 1. The end of the long hole 41 near the outer handle 2 is provided with an internal thread and is connected with the threaded end of the hollow screw 23. ,

The main board is close to the other end of the rotating shaft 4, the main board is not shown in the figure, and the other end of the signal line 31 passes through the hollow screw 23 and the elongated hole 41 to connect with the main board;

Since the elongated hole 41 is arranged at the central axis position of the rotating shaft 4, when the outer handle 2 rotates, the signal line 31 will not rotate flexibly with the rotation of the rotating shaft 4, which avoids the large-angle rotation of the signal line 31 and also Abrupt bending does not occur, which reduces the movement wear of the signal line 31 , so that the movement wear of the signal line 31 is reduced and the service life is increased.

Further, referring to FIG. 5 and FIG. 8 , a locking groove 42 is provided at the end of the rotating shaft 4 opposite to the handle seat 21 of the outer handle 2 , two locking grooves 42 are provided, and the two locking grooves 42 are centered on the rotating shaft 4 It is arranged symmetrically, and a support plate 43 is provided on the rotating shaft 4 close to the slot 42, and the support plate 43 is circular.

Referring to Fig. 1, Fig. 5, Fig. 7 to Fig. 10, a connecting seat 5 is connected to the other end of the rotating shaft 4 in the lock box 1, and the connecting seat 5 abuts against the end surface of the support plate 43 near the end of the card slot 42, and the connecting seat 5 5, the end face near one end of the support plate 43 is provided with an inward groove 51, and a clutch pin 52 corresponding to the slot 42. The structure of the clutch pin 52 is the prior art, so it will not be described in detail. The clutch pin 52 The pin part of the pin body can extend to the groove 51 under the action of the driving force. At this time, the connecting seat 5 and the rotating shaft 4 are connected together,

Wherein, the groove 51 is a stepped blind hole, the size of the groove near the end of the support plate 43 is greater than the size of the groove at the end far away from the support plate 43, and the clamping groove 42 is located in the groove 51, so that the signal line 31 has enough The movable space prevents the signal line 31 from abruptly bending when it rotates. The side end of the connecting seat 5 is provided with an outlet 53 communicating with the groove 51. The rotating shaft 4 can rotate 180° relative to the connecting seat 5. The signal line 31 passes through the long The bar hole 41 and the wire outlet 53 are connected with the main board.

Referring to Fig. 4, Fig. 5 and Fig. 12, the mouth of the outlet port 53 is set as a rounded corner, and the mouth width of the outlet port 53 is set in the range of 90° to 100° from the rotation center of the connection seat 5 to the side end of the connection seat 5. The angle range of the mouth width of the mouth 53 is set according to the angle range of the outer handle 2 rotation when unlocking, including the situation after the outer handle 2 changes direction, so the range value adopted is 2 times the value of the outer handle 2 rotation angle. The rotation angle of the outer handle 2 can be 43°, 45°, 50°, etc.

When opening the door, the clutch pin 52 is inserted into the draw-in groove 42, and the outer handle 2 can be opened at an angle of rotation less than 55°. The connecting seat 5 can pull the signal line 31 when rotating. The mouth width is within the range of 90°-100° rotation of the connecting seat 5, and the opening width of the outlet 31 basically offsets the rotation angle of the connecting seat 5 during the rotation process, so the signal line 31 will not change suddenly when stretching. the bend;

In order to avoid mechanical damage caused by the signal line 31 being pressed when the lock box cover 12 is installed, a wire groove 56 is provided at the end of the outlet port 53 on the connection seat 5 away from the rotating shaft 4, and the signal line 31 can be inserted when the lock box cover 12 is installed. Pull it into the trunking 56.

Referring to Fig. 3 and Fig. 11, in order to solve the problem that the movement wear of the signal line 31 is large and the life is short when the handle 22 is reversing and rotating, the rotating shaft 4 can rotate 180° relative to the connecting seat 5 while the connecting seat 5 does not rotate.

Specifically referring to Fig. 8-Fig. 10, a guide block 431 is provided on the end plane of the support plate 43 close to the connection seat 5, and a semi-circular guide groove 54 adapted to the guide block 431 is provided on the connection seat 5, the guide Sliding connection between the block 431 and the guide groove 54,

The guide block 431 is connected to one end of the guide groove 54, the wire outlet 53 communicates with the middle position of the guide groove 54, and the initial position of the guide block 431 is located at the end of the guide groove 54,

When the connection seat 5 changes direction or idles in the outer handle 2, the guide block 431 moves from one end of the guide groove 54 to the other end of the guide groove 54, and the position of the connection seat 5 relative to the support plate 43 remains unchanged, avoiding the bending of the signal line 31 The sudden change prolongs the service life of the signal line 31.

Referring to Fig. 3, Fig. 8, Fig. 9 and Fig. 11, when the clutch pin 52 is not in contact with the draw-in groove 42, the outer handle 2 at this moment can be idling or reversed, and the guide block 431 slides in the guide groove 54, and the connecting seat 5 The position of 43 relative to the support plate remains unchanged, the signal line 31 does not need to be rotated at a large angle, and no abrupt bending occurs, which reduces the movement wear of the signal line 31, making the movement wear of the signal line 31 smaller and easier to use Increased lifespan.

The smart door lock also includes a shell 6 and a cover plate 61 connected to the shell 6, which protects the lock box 1 and can accommodate other components. The lock box 1 is connected to the shell 6 and fixed with the shell 6, and the outer The handle 2 is located on the outside of the shell 6, and the shell 6 is fixed on the door. The end of the connecting seat 5 away from the support plate 43 passes through the lock box cover 12 and the cover plate 61 to be connected to the deadbolt assembly in the door. A connection slot 55 is provided on one end surface of the support plate 43 for connecting the deadbolt assembly.

In order to realize the reversing of the outer handle 2, referring to Fig. 1 and Fig. 6, a reversing module 7 for adjusting and reversing the outer handle 2 is arranged in the lock box 1, and cooperates with the reversing module 7 to position the reversing module The limit block 8 of 7, the reversing module 7 is located between the support plate 43 and the lock box 1 and connected with the rotating shaft 4,

Reversing adjustment ports 121, 611 are respectively provided at the position of the limit block 8 on the cover plate 61 and the lock box cover 12, and the limit block 8 is regulated through the reversing adjustment ports 121, 611 during the reversing, which can avoid disassembly The cover plate 61 and the lock box cover 12 save time and effort, are convenient and quick.

Further, referring to FIG. 5 , the reversing module 7 includes a reversing seat 71 connected to the rotating shaft 4 and a bearing 72 , and the reversing seat 71 is connected to the bearing 72 .

In order to realize the idling of the outer handle 2, referring to Fig. 6, Fig. 8 and Fig. 10, a limit column 711 is arranged on the reversing seat 71 toward the support plate 43, and the length of the limit column 711 exceeds the support plate 43 and further to the connecting seat. 5 guides,

On support plate 43, be connected with limit plate 432 that can offset with limit post 711 when support plate 43 rotates, the shape of limit plate 432 is sector, is connected with return spring 73 on the rotating shaft 4, and the two ends of return spring 73 Part is offset against the limit post 711.

Further, the rotation angle range of the limit plate 432 is less than or equal to 55°, when the outer handle 2 opens the door, the limit post 711 can abut against the limit plate 432, and the door can be opened by rotating a small angle.

Referring to Fig. 7 and Fig. 8, the shape of the connecting seat 5 is a circular truncated shape. In the axial direction of the connecting seat 5, the size of the end of the connecting seat 5 away from the support plate 43 is smaller than the size of the other end of the connecting seat 5, which increases the size of the connecting seat 5. The contact area with the support plate 43 makes the rotation process of the connecting seat 5 more stable.

In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (9)

1. An intelligent door lock, characterized by comprising:

a lock box;

the outer handle is provided with a fingerprint module;

the rotating shaft is connected in the lock box, one end of the rotating shaft is connected with the outer handle, the rotating shaft can rotate relative to the lock box along with the outer handle, and a connecting seat is connected with the other end of the rotating shaft in the lock box;

the rotating shaft is provided with a long strip hole in the axial direction, two ends of the long strip hole are respectively positioned at the end part of the rotating shaft, one end of the rotating shaft opposite to the outer handle is provided with a supporting plate, the end face of the connecting seat, which is close to one end of the supporting plate, is provided with a groove, the size of the groove, which is close to one end of the supporting plate, is larger than that of one end, which is far away from the supporting plate, the end part of the rotating shaft opposite to the outer handle is provided with a clamping groove, the clamping groove is positioned in the groove, the connecting seat is provided with an outlet communicated with the groove, and the rotating shaft can rotate 180 degrees relative to the connecting seat;

a main board which is close to the other end of the rotating shaft;

and a signal wire passes through the strip hole, one end of the signal wire is connected with the fingerprint module, and the other end of the signal wire passes through the wire outlet and is connected with the main board.

2. The intelligent door lock according to claim 1, wherein: the support plate is propped against the connecting seat, a guide block is arranged on the support plate, and a semi-annular guide groove matched with the guide block is arranged on the connecting seat.

3. The intelligent door lock according to claim 1, wherein: the wire outlet is positioned at the side end of the connecting seat, the mouth part of the wire outlet is provided with a round angle, the width of the wire outlet is in a range of 90-100 degrees from the rotating center of the connecting seat to the side surface of the connecting seat, and a wire slot is arranged at one end, far away from the rotating shaft, of the wire outlet on the connecting seat.

4. The intelligent door lock according to claim 2, wherein: the outlet is communicated with the middle position of the guide groove, the guide block is positioned at the end part of the guide groove, and the outlet is positioned at the outer side of the lock box.

5. The intelligent door lock according to claim 2, wherein: when the outer handle is reversed or idly rotated, the guide block moves from one end of the guide groove to the other end of the guide groove, and the position of the connecting seat relative to the supporting plate is unchanged.

6. The intelligent door lock according to claim 1, wherein: and the connecting seat is provided with a separation pin corresponding to the clamping groove.

7. The intelligent door lock according to claim 2, wherein: the lock box is internally provided with a reversing module for turning and reversing the outer handle, and a limiting block matched with the reversing module for positioning the reversing module, and the reversing module is connected with the rotating shaft.

8. The intelligent door lock according to claim 7, wherein: the reversing module comprises a reversing seat and a bearing connected with the reversing seat, a limiting column is arranged on the reversing seat towards the direction of the supporting plate, a limiting plate capable of being abutted to the limiting column is connected to the supporting plate, and a reset spring abutted to the limiting column is connected to the rotating shaft.

9. The intelligent door lock according to claim 1, wherein: the intelligent door lock further comprises a shell and a cover plate connected with the shell, the lock box is connected in the shell, and the outer handle is located on the outer side of the shell.