CN219887793U - Intelligent door lock auxiliary door opening device - Google Patents

Abstract

The utility model relates to the technical field of intelligent door locks, in particular to an intelligent door lock auxiliary door opening device. The utility model provides an intelligent door lock auxiliary door opening device, intelligent door lock include base, internal fixation panel beating, lock body, external fixation panel beating, intelligent unblock part and manual unblock part, this door opening device is provided with the first connector that supplies handle drive including unblock transmission output subassembly and drive assembly, the outside end of unblock transmission output subassembly, the inboard end sets up the second connector, the second connector is connected with drive assembly looks transmission, through handle drive unblock transmission output subassembly rotation drive assembly, the drive assembly transmission is connected to manual unblock part, drive manual unblock part makes the lock body unblock. The device is provided with a third door opening mode on the intelligent door lock, and the door lock can be opened outside the door in a mechanical mode.

Description

Intelligent door lock auxiliary door opening device

Technical Field

The utility model relates to the technical field of intelligent door locks, in particular to an intelligent door lock auxiliary door opening device.

Background

The coded lock is one kind of lock, and is a series of numbers or symbols for unlocking. The combination of the combination lock is usually only arranged instead of actually combined. Only one rotary disc is used for part of coded locks, and a plurality of discs or cams in the locks are rotated; some coded locks are also a set of rims engraved with numbers, which directly drive the mechanism inside the lock.

At present, most of the burglary-resisting doors on the market adopt an electronic coded lock, such as an intelligent door lock disclosed in Chinese patent application (application number 201910632435.0), the intelligent door lock comprises a lock cylinder, an inner assembly and an outer assembly, the inner assembly and the outer assembly are respectively positioned at two sides of the lock cylinder, a first information acquisition module, an input module and a second information acquisition module are arranged on an outer shell, a storage module, a control module and a power module are arranged in the outer shell, the first information acquisition module comprises a camera and a processing chip and is used for acquiring image information and transmitting the acquired image information to the storage module, the input module is electrically connected with the storage module and the control module, the storage module is used for storing unlocking information, the control module generates unlocking signals and controls and drives the lock cylinder to unlock, and the power module is used for supplying power to the first information acquisition module, the input module, the second information acquisition module, the storage module, the control module and the lock cylinder. The intelligent door lock can be unlocked through the password, the fingerprint and the key, but the intelligent password lock is powered by a battery, if the battery is not enough, or the password and the fingerprint are invalid due to the fact that an internal intelligent module circuit is damaged after long-term use, and people cannot enter and exit the door under the condition that the intelligent door lock is not provided with the key.

For this reason, the applicant filed a chinese patent of utility model on the same date (patent name: a novel intelligent door lock with mechanical password assisted door opening, publication No. CN116163599a, publication No. 2023-05-26) discloses a novel intelligent door lock, which comprises a base, an inner fixed metal plate, a lock body, an outer fixed metal plate, an outer end cover, an intelligent unlocking component and a manual unlocking component, wherein the base and the inner fixed metal plate are positioned at the inner side of the door, the outer end cover and the outer fixed metal plate are positioned at the outer side of the door, the lock body is positioned between the outer fixed metal plate and the inner fixed metal plate, and the intelligent unlocking component and the manual unlocking component are arranged on the base for unlocking the lock body; the door lock also comprises a mechanical unlocking part and a handle, wherein the mechanical unlocking part comprises a mechanical coded lock and a transmission assembly for driving the lock body to unlock, the mechanical coded lock is fixedly arranged on the outer side of the outer fixing metal plate, the transmission assembly is arranged on the inner side of the inner fixing metal plate, the outer end cover is covered and arranged on the outer side of the outer fixing metal plate, and an opening cover is arranged at the position of the mechanical coded lock to enable the mechanical coded lock to be exposed out of the outer end cover; the mechanical coded lock comprises a mechanical coded lock assembly and an auxiliary door opening assembly, the mechanical coded lock assembly is connected with the auxiliary door opening assembly, the mechanical coded lock assembly locks or unlocks rotation of the auxiliary door opening assembly, a first connecting port for driving a handle is arranged at the outer side end of the auxiliary door opening assembly, a second connecting port is arranged at the inner side end of the auxiliary door opening assembly, the second connecting port is in transmission connection with a transmission assembly, and the transmission assembly is driven to rotate through the handle to drive the auxiliary door opening assembly so that the lock body is unlocked.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide an intelligent door lock auxiliary door opening device, which is provided with a third door opening mode on an intelligent door lock and can mechanically open a door lock at the outer part of the door; further, the device can comprise a mechanical coded lock assembly, wherein the mechanical coded lock assembly locks or unlocks the rotation of the unlocking transmission output assembly; when the door cannot be accessed by using the password without a key, the mechanical password lock assembly is shifted to unlock the unlocking transmission output assembly, and the unlocking transmission output assembly is driven to unlock the door lock.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the intelligent door lock comprises a base, an inner fixed metal plate, a lock body, an outer fixed metal plate, an intelligent unlocking component and a manual unlocking component, and further comprises an auxiliary door opening device, wherein the door opening device comprises a mechanical coded lock assembly, an unlocking transmission output assembly and a transmission assembly, a first connecting port for driving a handle is arranged at the outer side end of the unlocking transmission output assembly, a second connecting port is arranged at the inner side end of the unlocking transmission output assembly, the second connecting port is in transmission connection with the transmission assembly, the unlocking transmission output assembly is driven by the handle to rotate so as to drive the transmission assembly, the transmission assembly is in transmission connection with the manual unlocking component, and the manual unlocking component is driven to unlock the lock body; the mechanical coded lock assembly locks or unlocks the rotation of the unlocking transmission output assembly.

Preferably, the transmission assembly comprises a connecting square shaft, a steering assembly and a transmission rod; the steering assembly comprises a connecting shaft and a connecting sheet, the connecting shaft is rotationally connected to an inner fixed metal plate right behind the second connecting port, one end of the connecting square shaft is connected and arranged in the second connecting port, the other end of the connecting square shaft penetrates through the outer fixed metal plate to be connected with the connecting shaft, and the connecting shaft penetrates through the inner fixed metal plate to be connected with the connecting sheet; the transmission rod is vertically arranged in the chute of the internal fixed metal plate, the upper end of the transmission rod is in transmission connection with the outer end of the connecting sheet, the bottom of the transmission rod is provided with a hook part, and the driving rotating shaft of the manual unlocking part is provided with a convex strip for connecting the hook part; can upwards mention the transfer line when connecting the square shaft rotation, collude the drive sand grip and make the drive pivot of manual unlocking part rotate the unblock lock body.

Preferably, the bottom of the transmission rod is provided with a left hook part and a right hook part; the left hook part is formed at the bottom of the transmission rod, an L-shaped connecting piece is fixedly arranged at the lower part of the transmission rod, and the right hook part is formed at the right bottom of the L-shaped connecting piece.

Preferably, the driving shaft of the manual unlocking component is provided with a prismatic plate, and the protruding strips are fixedly arranged on one side of the prismatic plate.

Preferably, a plurality of L-shaped limiting plates are arranged on the internal fixing metal plate, a notch is formed in the L-shaped limiting plates, and the transmission rod is arranged in the notch in a sliding mode.

Preferably, the lower part of the transmission rod is provided with a vertical groove, the internal fixation metal plate is provided with a slide bar, and the vertical groove is arranged on the slide bar.

Preferably, the top of the transmission rod is provided with a transverse groove, the outer side end of the connecting sheet is provided with a pull rod, and the pull rod is positioned in the transverse groove.

The device is provided with a third door opening mode on the intelligent door lock, and the door lock can be opened outside the door in a mechanical mode; further, the device can comprise a mechanical coded lock assembly, wherein the mechanical coded lock assembly locks or unlocks the rotation of the unlocking transmission output assembly; when the door cannot be accessed by using the password without a key, the mechanical password lock assembly is shifted to unlock the unlocking transmission output assembly, and the unlocking transmission output assembly is driven to unlock the door lock.

Drawings

Fig. 1 and 2 are schematic diagrams of explosion structures of the intelligent door lock of the utility model.

Fig. 3 is a schematic structural view of the mechanical unlocking member.

Fig. 4 is a schematic structural view of the transmission assembly.

Fig. 5 is a schematic view of the mounting structure of the transmission assembly on the external fixing sheet metal.

Fig. 6 is a schematic structural view of the manual unlocking member.

Fig. 7 is a schematic structural diagram of a mechanical combination lock.

Fig. 8 is a schematic view of the back structure of the mechanical combination lock.

Fig. 9 and 10 are schematic views of the internal structure of the mechanical coded lock.

Fig. 11 and 12 are schematic structural views of a tap lever driving assembly.

Fig. 13 is a schematic structural view of a mechanical combination lock assembly.

Fig. 14 and 15 are schematic structural views of the housing.

Fig. 16 is a schematic structural view of the code wheel.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present utility model, and a detailed implementation is given, but the scope of protection of the present utility model is not limited to the following embodiments.

The novel intelligent door lock as shown in fig. 1 and 2 comprises a base 101, an inner fixing metal plate 102, a lock body 103, an outer fixing metal plate 104, an outer end cover 105, an intelligent unlocking part 106, a manual unlocking part 107 and a handle 113, wherein the base 101 and the inner fixing metal plate 102 are located on the inner side of the door, the outer end cover 105 and the outer fixing metal plate 104 are located on the outer side of the door, the lock body 103 is arranged between the outer fixing metal plate 104 and the inner fixing metal plate 102, and the intelligent unlocking part 106 and the manual unlocking part 107 are arranged on the base 101 and used for unlocking the lock body 103. As shown in fig. 3, the intelligent door lock further includes an auxiliary door opening device, the auxiliary door opening device includes a mechanical unlocking component 108 and a handle 109, the mechanical unlocking component 108 includes a mechanical coded lock 110 and a transmission assembly 111 for driving the lock body 103 to unlock, the mechanical coded lock 110 is fixedly disposed on the outer side of the outer fixing metal plate 104, the transmission assembly 111 is disposed on the inner side of the inner fixing metal plate 102, the outer end cover 105 is disposed on the outer side of the outer fixing metal plate 104 in a covering manner, and an opening cover 112 is disposed at the position of the mechanical coded lock 110 to enable the mechanical coded lock 110 to be exposed out of the outer end cover 105. As shown in fig. 7 and 8, the mechanical coded lock 110 includes a housing 1, a mechanical coded lock assembly 2, a toggle rod driving assembly 3, a cam unlocking assembly 4, and an unlocking transmission output assembly 5, where the housing 1 is fixedly disposed on an external fixing sheet metal 104, and the toggle rod driving assembly, the cam unlocking assembly 4, and the unlocking transmission output assembly 5 are disposed on the housing 1. The mechanical coded lock assembly 2 is connected with the unlocking transmission output assembly 5, the mechanical coded lock assembly 2 locks or unlocks the unlocking transmission output assembly 5 to rotate, a first connecting port 53 for driving a handle 109 is arranged at the outer side end of the unlocking transmission output assembly 5, a second connecting port 54 is arranged at the inner side end of the unlocking transmission output assembly, the second connecting port 54 is in transmission connection with the transmission assembly 111, and the unlocking transmission output assembly 5 is driven to rotate through the handle 109 to drive the transmission assembly 111 to unlock the lock body 103. The handle of the utility model can be a hexagonal wrench, and the hexagonal wrench can be contained in the opening cover 112, and other positions of the handle 113 can be arranged, so that the handle is convenient for a user to find.

As shown in fig. 13, the mechanical coded lock assembly 2 includes a shaft core 21, a lock ring 22, a plurality of code adjustment wheels 23 and a first spring for resetting the lock ring 22, and locks or unlocks the axial movement of the shaft core 21 by the lock ring 22 and the code adjustment wheels 23 in a matching manner; the casing 1 is internally provided with a mounting notch 11, the mechanical coded lock 2 is fixedly arranged in the mounting notch 11, a plurality of through grooves 12 are formed in the front panel of the casing 1, and a plurality of code adjustment wheels 23 are partially exposed out of the through grooves 12 through the through grooves 12. The shaft core 21 is provided with a lug 26, the inner surface of the locking ring 22 is provided with a C-shaped ring 25, and the lug 26 is arranged at the lower part of the C-shaped ring 25; when the shift lever 32 is shifted, the shaft core 21 moves axially, and the protruding block 26 is clamped in the notch of the C-shaped ring 25 for determining the password. The outer surface of the lock ring 22 is provided with a buckle 27, the inner surface of the code adjusting wheel 23 is provided with a rack 28, and the buckle 27 is clamped on the rack. The buckle 27 comprises a small buckle 271 for fixing the code adjustment wheel 23 on the lock ring 22 and a large buckle 272 for adjusting the code positioning function, and the large buckle 272 is slidingly connected in the gap between the two racks 28; wherein the length of the big button 272 is longer than the small button 271, and the tops of the big button 272 and the small button 271 are at the same level.

According to the utility model, as the code adjusting wheel 23 is clamped on the buckle 27 through the rack 28 on the inner surface of the code adjusting wheel 23, the lock ring 22 is driven to rotate together when the code adjusting wheel 23 is rotated, so that the notch part of the C-shaped ring 25 is positioned at the same vertical position, and when the shaft core 21 moves upwards afterwards, the convex block 26 can be clamped in the notch of the C-shaped ring 25. When the password of the mechanical coded lock 2 needs to be replaced, the large buckle 272 can slide in the gap between the two racks 28 because the length of the large buckle 272 is longer than that of the small buckle 271, and the large buckle 272 replaces the small buckle 271 to perform the function of positioning the password.

As shown in fig. 9-10, the lever driving assembly 3 includes a lever 32 and a first cam 31, the first cam 31 is sleeved on the upper portion of the shaft core 21, a first cam groove 34 is provided on the first cam 31, the lever 32 is fixedly provided on the first cam 31 and can rotate on the shaft core 21 by pulling the first cam 31, a lever groove 13 is provided on the front panel of the housing 1 at the position of the lever 32, and the outer end of the lever 32 exposes out of the lever groove 13.

As shown in fig. 9-10, the cam unlocking assembly 4 comprises a locking piece 41, an unlocking push key 42 and a second spring 7 for resetting the unlocking push key 42, one side of the locking piece 41 is connected with the end part of the shaft core 21, a first guide groove 14 is arranged on the outer shell 1, a locking groove 43 is radially arranged at the outer end part of the first cam 31, and the other side of the locking piece 41 is positioned in the first guide groove 14 and the locking groove 43 to lock the rotation of the first cam 31; the unlocking push key 42 is transversely arranged on a slide way in the shell 1, a push block 44 exposing the front panel of the shell 1 is arranged on the outer side of the unlocking push key 42, a chute 45 is arranged on the inner side of the unlocking push key 42, a first shaft head is arranged at one side, facing the chute 45, of the end part of the shaft core 21, and the first shaft head is accommodated in the chute 45; one end of the second spring 7 is abutted against the right end of the unlocking push key 42, and the other end of the second spring 7 is abutted against the shell 1; driving the unlocking push key 42 can make the chute 45 drive the first shaft head to lift the shaft core 21, make the locking piece 41 break away from the locking groove 43 to release the rotation restriction of the first cam 31, and then reset the cam unlocking assembly 4 through the second spring 7.

As shown in fig. 9 to 10, the unlocking transmission output assembly 5 includes a driving lever 50, a latch 51, an unlocking rotation shaft 52, and a third spring 8 for resetting the unlocking rotation shaft 52; the middle part of the driving lever 50 is hinged on the right side of the first cam 31, the bolt 51 is vertically arranged on a slide way in the shell 1, the unlocking rotation shaft 52 is arranged below the bolt 51, the front end of the unlocking rotation shaft 52 is exposed out of the front panel of the shell 1, a first driving connection port 53 for connecting the handle 109 is arranged on the front panel, and the rear end of the unlocking rotation shaft 52 is exposed out of the rear panel of the shell 1, and a second connection port 54 for connecting the transmission assembly 111 is arranged on the rear panel; one end of the driving lever 50 is provided with a second shaft head 55, the second shaft head 55 is accommodated in the first cam groove 34, the other end of the driving lever 50 is positioned in a connecting notch 56 at the upper part of the latch 51, and the lower part of the latch 51 can be inserted into a locking hole on the unlocking rotating shaft 52 to lock the rotation of the unlocking rotating shaft 52. A third spring 8 is arranged in the unlocking rotation shaft 52, one end of the third spring 8 is abutted against the bolt 51, and the other end is abutted against the inner wall of the unlocking rotation shaft 52; the driving deflector rod 32 can stir the first cam 31 to rotate, the second shaft head 55 is driven by the first cam groove 34 to enable the driving lever 50 to lift the plug pin 51 to release the rotation restriction of the unlocking rotation shaft 52, and after the unlocking device unlocks the lock cylinder, the unlocking transmission output assembly 5 is reset by the third spring 8.

As shown in fig. 10, the connection slot 56 includes a protrusion 57 for fixing the lever 50 and a recess 58 for turning the lever 50, the protrusion 57 being provided at the left side of the connection slot 56, and the recess 58 being provided at the right side of the connection slot 56. After driving the tap lever driving assembly 3 and the cam unlocking assembly 4, the lever 50 moves from the left end to the right end of the first cam groove 34, and at the same time, the lever 50 performs a counterclockwise lifting action due to the fact that the middle part of the lever 50 is fixed on the housing, moves from the lower concave structure 58 of the connecting notch 56 to the upper concave structure 58, and then drives the unlocking transmission output assembly 5, and opens the lock cylinder to complete unlocking. The first driving connection port 53 is a hexagonal groove, and the lock cylinder can be opened only by using a hexagonal wrench, so that the safety of the device is ensured.

When the utility model is unlocked, the correct number reaches the position right above the shell 1 by pulling the code adjusting wheel 23, and the lug 26 on the shaft core 21 is positioned right below the notch of the C-shaped ring 25. After the number is determined, the unlocking push button 42 is moved rightward, at this time, the locking piece 41 moves axially, and since the chute 315 is disposed obliquely upward, when the unlocking push button 42 is moved, the shaft core 21 moves upward, and the boss 26 on the shaft core 21 is clamped in the notch of the C-shaped ring 25.

At this time, the locking piece 41 locked on the shaft core 21 moves upward from the first guide groove 14, so that it is completely separated from the first guide groove 14. When the locking piece 41 is not locked, the shifting lever 32 can rotate freely, the rotating angle of the shifting lever 32 is 60-DEG 70 DEG, and the state of the shifting lever 32 is an opening state at the moment.

When the lever 32 is in the open state, the lever 50 moves from the left end of the first cam groove 34 to the right end of the first cam groove 34, and since the slope 9 is provided on the middle portion of the first cam groove 34 and the plane height of the left end is higher than that of the right end, the lever 50 performs a small-range counterclockwise lifting movement of one end.

When the movement of the lever 50 is completed, the latch 51 releases the rotation restriction of the unlocking rotation shaft 52. The handle is inserted into the first connection port 53 of the unlocking rotation shaft 52, and rotated clockwise, and the latch 51 is rotated counterclockwise.

As shown in fig. 3-5, the transmission assembly 111 includes a connecting square shaft 114, a steering assembly 115, and a transmission rod 116; the steering assembly 115 comprises a connecting shaft 117 and a connecting sheet 118, the connecting shaft 117 is rotatably connected to the inner fixed sheet metal 102 right behind the second connecting port 54, one end of the connecting square shaft 114 is connected and arranged in the second connecting port 54, the other end of the connecting square shaft passes through the outer fixed sheet metal 104 to be connected with the connecting shaft 117, and the connecting shaft 117 passes through the inner fixed sheet metal 102 to be connected with the connecting sheet 118; the transmission rod 116 is vertically arranged in the chute of the inner fixed sheet metal 102, the upper end of the transmission rod 116 is in transmission connection with the outer end of the connecting sheet 118, the bottom of the transmission rod 116 is provided with a hook 119, and a convex strip 120 for connecting the hook 119 is arranged on the driving rotating shaft of the manual unlocking part 107; when the connection square shaft 114 rotates, the transmission rod 116 can be lifted upwards, and the hook 119 drives the convex strip 120 to rotate the driving shaft 121 of the manual unlocking member 107 to unlock the lock body 103. As shown in fig. 5, the inner fixing metal plate 102 is provided with a plurality of L-shaped limiting plates 124, the L-shaped limiting plates 124 are provided with notches, the transmission rod 116 is slidably arranged in the notches, the lower part of the transmission rod 116 is provided with a vertical groove 125, the inner fixing metal plate 102 is provided with a sliding rod 126, and the vertical groove 125 is arranged on the sliding rod 126; the top of the transmission rod 116 is provided with a transverse groove 127, the outer side end of the connecting sheet 118 is provided with a pull rod 128, and the pull rod 128 is positioned in the transverse groove 127.

As shown in fig. 4 and 5, the bottom of the transmission rod 116 is provided with a left hook 119 and a right hook 119; the left hook 119 is formed at the bottom of the transmission rod 116, and an L-shaped connector 122 is fixedly disposed at the lower portion of the transmission rod 116, and the right hook 119 is formed at the right bottom of the L-shaped connector 122. As shown in fig. 6, a prismatic plate 123 is provided on the driving shaft 121 of the manual unlocking member 107, and the protruding strip 120 is fixedly provided on one side of the prismatic plate 123. When the installation direction of the lock is changed, the convex strips 120 of the prismatic plate 123 are changed to the direction, and the convex strips 120 are hooked by the right hook 119, so that the installation direction of the lock can be changed conveniently.

As shown in fig. 11, the mechanical coded lock 110 further includes a code resetting device, where the code resetting device includes a second cam 33 and a first spring, the second cam 33 is sleeved on the shaft core 21 and is located below the first cam 31, and the lower part of the second cam 33 abuts against the lock ring 22; the first spring is arranged at the bottom of the mechanical coded lock 2, one end of the first spring is abutted against the mechanical coded lock 2, and the other end of the first spring is abutted against the shell 1; the second cam 33 is provided with a second cam groove 35 toward one side of the first cam 31, the first cam 31 is provided with a driving block 36, and the driving block 36 is positioned on the second cam groove 35; after the toggle lever 32 is toggled to release the rotation restriction of the unlocking rotation shaft 52, the toggle lever 32 is continuously toggled, the driving block 36 of the first cam 31 presses down the second cam 33 through the second cam groove 35, so that the lock ring 22 can realize password resetting, and after the password resetting, the mechanical password lock 2 is reset through the first spring. According to fig. 2 and 7, a positioning block 38 is provided on the outer ring surface of the second cam 33, and a second guiding groove 39 for locking the second cam 33 from rotating is provided on the housing 1. The second cam 33 is slidably connected to the second guide groove 39 of the housing 1 through the positioning block 38, so that the driving block 36 can be well moved from the second cam groove 35 to the position where the second cam 33 is abutted against one surface of the first cam 31, and at this time, the second cam 33 only moves axially, so that the stability of the device can be ensured, and the password resetting operation can be more conveniently performed. As shown in fig. 1 and 2, a positioning plate 331 is further provided on the outer circumferential surface of the second cam 33, and the positioning plate 331 is located on one side of the second cam groove 35; the shell 1 is provided with a screw 15 in threaded connection, and the screw 15 is arranged below the positioning plate 331; when the shift lever 32 drives the second cam 33 to reset the code, the second cam 33 moves axially, and the positioning plate 331 abuts against the screw 15 to prevent the code from being changed.

By additionally arranging the password resetting device on the unlocking device, a customer can set a desired password according to the needs of the customer. By pulling the shift lever 32, the driving block 36 on the first cam 31 moves from the right end to the left end of the second cam groove 35, when the rotation restriction of the unlocking rotation shaft 52 is released, the shift lever 32 is continuously pulled, the driving block 36 moves out of the second cam groove 35, so that the second cam 33 is pressed down, and when the second cam 33 moves axially, the lock ring 22 also moves axially, so that the mechanical coded lock 2 can be driven to reset the code.

By adding the screw 15 at the lower part of the deflector rod 32 and arranging it at the lower part near the positioning plate 331, the movement of the positioning plate 331 is limited; when the combination is to be replaced, the screw 15 is removed, and when the lever 32 is rotated, the drive block 36 is slid from the right end of the second cam groove 35 to the left end of the second cam groove 35 and moved out to the second cam groove 35 by the inclined slope 37, and the rotation angle of the lever 32 is 90 ° -110 °.

Since the bottom end of the second ring portion abuts against the lock ring 22, when the driving block 36 moves out to the second cam groove 35, the lock ring 22 also moves downward, and at this time, the code can be freely rotated.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art. The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The intelligent door lock comprises a base (101), an inner fixed metal plate (102), a lock body (103), an outer fixed metal plate (104), an intelligent unlocking component (106) and a manual unlocking component (107), and is characterized by further comprising an auxiliary door opening device, wherein the auxiliary door opening device comprises a mechanical coded lock assembly, an unlocking transmission output assembly (5) and a transmission assembly (111), a first connecting port (53) for being driven by a handle (109) is arranged at the outer side end of the unlocking transmission output assembly (5), a second connecting port (54) is arranged at the inner side end of the unlocking transmission output assembly, the second connecting port (54) is in transmission connection with the transmission assembly (111), the unlocking transmission output assembly (5) is driven by the handle (109) to rotate to drive the transmission assembly (111), the transmission assembly (111) is in transmission connection with the manual unlocking component (107), and the manual unlocking component (107) is driven to unlock the lock body (103); the mechanical coded lock assembly locks or unlocks the rotation of the unlocking transmission output assembly.

2. An intelligent door lock auxiliary door opening device according to claim 1, wherein the transmission assembly (111) comprises a connecting square shaft (114), a steering assembly (115) and a transmission rod (116); the steering assembly (115) comprises a connecting shaft (117) and a connecting sheet (118), the connecting shaft (117) is rotationally connected to an inner fixing sheet metal (102) right behind the second connecting port (54), one end of the connecting square shaft (114) is connected and arranged in the second connecting port (54), the other end of the connecting square shaft penetrates through the outer fixing sheet metal (104) to be connected with the connecting shaft (117), and the connecting shaft (117) penetrates through the inner fixing sheet metal (102) to be connected with the connecting sheet (118); the transmission rod (116) is vertically arranged in the chute of the inner fixed sheet metal (102), the upper end of the transmission rod (116) is in transmission connection with the outer end of the connecting sheet (118), the bottom of the transmission rod (116) is provided with a hook part (119), and a convex strip (120) for connecting the hook part (119) is arranged on the driving rotating shaft of the manual unlocking part (107); when the connecting square shaft (114) rotates, the transmission rod (116) can be lifted upwards, and the hook part (119) drives the convex strip (120) to enable the driving rotating shaft (121) of the manual unlocking component (107) to rotate to unlock the lock body (103).

3. The intelligent door lock auxiliary door opening device according to claim 2, wherein the bottom of the transmission rod (116) is provided with a left hook part and a right hook part (119); the left hook part (119) is formed at the bottom of the transmission rod (116), an L-shaped connecting piece (122) is fixedly arranged at the lower part of the transmission rod (116), and the right hook part (119) is formed at the right bottom of the L-shaped connecting piece (122).

4. The intelligent door lock auxiliary door opening device according to claim 2, wherein a prismatic plate (123) is arranged on a driving rotating shaft (121) of the manual unlocking component (107), and the protruding strip (120) is fixedly arranged on one side of the prismatic plate (123).

5. The intelligent door lock auxiliary door opening device according to claim 2, wherein a plurality of L-shaped limiting plates (124) are arranged on the internal fixing metal plate (102), notches are formed in the L-shaped limiting plates (124), and the transmission rod (116) is slidably arranged in the notches.

6. The intelligent door lock auxiliary door opening device according to claim 2, wherein a vertical groove (125) is formed in the lower portion of the transmission rod (116), a sliding rod (126) is arranged on the inner fixing sheet metal (102), and the vertical groove (125) is arranged on the sliding rod (126).

7. The intelligent door lock auxiliary door opening device according to claim 2, wherein a transverse groove (127) is formed in the top of the transmission rod (116), a pull rod (128) is arranged at the outer side end of the connecting sheet (118), and the pull rod (128) is located in the transverse groove (127).