CN210685641U

CN210685641U - Door lock

Info

Publication number: CN210685641U
Application number: CN201921318345.6U
Authority: CN
Inventors: 王程
Original assignee: Lanxi Telus Intelligent Technology Co Ltd
Current assignee: Lanxi Telus Intelligent Technology Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-05
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a door lock, which comprises a shell, a motor, a first driving component, a main lock tongue, a second driving mechanism, an oblique lock tongue, a third driving mechanism and a linkage mechanism; the linkage mechanism at least comprises a shifting piece matched with the third driving mechanism, a double-sided gear and a rotating piece, wherein the double-sided gear is provided with a first tooth part which can be meshed with a third tooth part on the shifting piece, a second tooth part which can be matched with the first driving assembly and a limiting column which vertically penetrates through an upper stroke groove of the rotating piece; after the oblique bolt extends out of the shell, the limit column runs through the stroke groove, and the double-sided gear continues to rotate to drive the rotating piece to synchronously rotate to drive the main bolt to extend out of the shell. The utility model discloses simple structure, convenient operation, the latch bolt stretches out the casing prior to main spring bolt, can realize prepositioning function for main spring bolt locking position is more accurate, also can only exert the function of latch bolt simultaneously, prevent wind the locking, uses more in a flexible way, and overall structure is compact, and is small, and the action is firm effective.

Description

Door lock

Technical Field

The utility model belongs to the intelligence lock field especially relates to a door lock.

Background

Most of electronic lock latch bolts and main lock bolt on the market extend out of a lock body synchronously, the latch bolts cannot play a positioning role, the latch bolts and the main lock bolt cannot accurately extend into a doorsill, door locking action is invalid, and operation is inconvenient. And the latch bolt and the main lock bolt act synchronously, so that the latch bolt cannot play a pre-positioning role, and cannot only extend out of the latch bolt to play a role of the windproof door lock.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a door lock with a latch bolt capable of stretching out of a shell prior to a main bolt.

The utility model provides a technical scheme that its technical problem adopted is: a door lock comprises a shell, a motor arranged in the shell, a first driving assembly extending out of the side surface of the motor, a main spring bolt, a second driving mechanism for driving the main spring bolt to extend out of or retract into the shell, an oblique spring bolt positioned above the main spring bolt, a third driving mechanism for driving the oblique spring bolt to extend out of or retract into the shell, and a linkage mechanism for connecting the second driving mechanism and the third driving mechanism; the linkage mechanism at least comprises a shifting piece matched with the third driving mechanism, a double-sided gear and a rotating piece which is rotationally connected with the shell through a first rotating shaft, wherein the double-sided gear is provided with a first tooth part which can be meshed with a third tooth part on the shifting piece, a second tooth part which can be matched with the first driving assembly and a limiting column which vertically penetrates through an upper stroke groove of the rotating piece; after the oblique bolt extends out of the shell, the limit column runs through the stroke groove, and the double-sided gear continues to rotate to drive the rotating piece to synchronously rotate to drive the main bolt to extend out of the shell.

The main lock tongue and the latch bolt of the utility model extend out of the shell asynchronously, the latch bolt can extend out of the shell firstly to play a role in positioning, and then the main lock tongue is driven to extend out of the shell to realize the function of locking the door, so that the locking is more effective for the main lock tongue, and the function of only extending out the latch bolt to prevent wind and lock can be realized, and the use is more flexible and diversified; the first driving assembly extends out of the side face of the motor, so that the whole volume of the door lock is reduced; the linkage mechanism is stably and effectively matched with the second driving mechanism and the third driving mechanism, and the whole occupied space is small.

Furthermore, the second driving mechanism comprises a connecting piece connected with the main lock tongue, a horizontal groove arranged on the connecting piece and a chute arranged on the connecting piece, the first rotating shaft vertically penetrates through the horizontal groove, and a convex column capable of vertically penetrating through the chute is arranged on the rotating piece.

Furthermore, the two ends of the chute are respectively provided with a clamping groove for ensuring that the convex column stays in the state that the main lock tongue extends out of the shell or retracts into the shell.

Furthermore, the third driving mechanism comprises a support vertically fixed on the inner wall of the shell, a connecting rod capable of moving along a notch groove on the support, an elastic piece sleeved on the connecting rod, one end of the elastic piece is abutted to the support, and a driving block capable of being in contact fit with the stirring piece, one end of the connecting rod is connected with the oblique tongue, the other end of the connecting rod is provided with a flange, the driving block rotates around the second rotating shaft and comprises a first extending foot capable of being matched with the stirring piece and a second extending foot capable of being abutted to the flange.

Furthermore, the stroke slot is an arc slot, which extends with the first rotating shaft as a circle center.

Furthermore, the poking piece is rotatably connected to the shell through a third rotating shaft, and a supporting leg which can be abutted against the first extending leg is arranged on one side of the poking piece opposite to the third tooth part.

Furthermore, the main bolt comprises a first main bolt and a second main bolt positioned below the first main bolt, the connecting piece comprises an extension arm extending along the direction perpendicular to the moving direction of the main bolt, and the second main bolt is fixedly connected with the extension arm; the motor is arranged opposite to the extension arm.

Furthermore, the first tooth part and the second tooth part are located on the same plane, and the outer diameter of the position where the first tooth part is located is smaller than that of the position where the second tooth part is located.

Furthermore, the first driving assembly comprises a first gear extending out of the motor cover from the side surface of the motor and a second gear meshed with the first gear, the second gear is meshed with a second tooth part of the double-faced gear, and the second gear is rotatably connected with a fourth rotating shaft fixed on the shell.

Further, the double-sided gear rotates circumferentially about the first axis of rotation. The double-sided gear and the rotating part share the first rotating shaft, so that the structure is more compact, and the whole occupied space is small.

The utility model has the advantages that: simple structure, convenient operation, the latch bolt stretches out the casing earlier than main spring bolt, can realize the function of prepositioning for main spring bolt locking position is more accurate, also can only exert the function of latch bolt simultaneously, prevent wind the locking, uses more in a flexible way, and overall structure is compact, and is small, and the action is firm effective.

Drawings

Fig. 1 is a schematic front view of the present invention (without an electromechanical separating mechanism).

Fig. 2 is a schematic perspective view of the present invention (without an electromechanical separating mechanism).

Fig. 3 is a schematic perspective view of the present invention (without an electromechanical separating mechanism).

Fig. 4 is an exploded view of the present invention (without the electromechanical separating mechanism).

Fig. 5 is a schematic three-dimensional structure diagram (without an electromechanical separating mechanism) of the present invention.

Fig. 6 is an enlarged view of a structure in fig. 5.

Fig. 7 is a schematic perspective view of the present invention (without an electromechanical separating mechanism).

Fig. 8 is a schematic perspective view of the rotating member of the present invention.

Fig. 9 is a schematic view of the matching structure of the rotating member and the double-sided gear of the present invention.

Fig. 10 is a schematic view of the matching structure of the driving block and the toggle member of the present invention.

Fig. 11 is a schematic perspective view of the first embodiment of the present invention.

Fig. 12 is a front view of a part of the structure of the present invention.

Fig. 13 is a schematic perspective view of the present invention.

Fig. 14 is a third schematic perspective view of the present invention.

Fig. 15 is a first exploded view of the present invention.

Fig. 16 is a schematic view of an exploded structure of the present invention.

Fig. 17 is a schematic structural view of the slide board of the present invention.

Fig. 18 is a schematic structural view of the movable plate according to the present invention.

Fig. 19 is a second schematic front view of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1 to 19, a door lock includes a hollow housing 1, a motor 2 installed in the housing 1 near a lower left position, an electromechanical separating mechanism 9 connected to a motor cover outside the motor 2, a first driving member 3 extending from an upper side surface (an upper, lower, left, and right direction is defined by using a viewing angle plane seen in fig. 1 as a standard plane) of the motor 2, a main latch 4, a second driving mechanism 5 for driving the main latch 4 to extend or retract into the housing 1, a latch 6 located above the main latch 4, a third driving mechanism 7 for driving the latch 6 to extend or retract into the housing 1, and a link mechanism 8 for connecting the second driving mechanism 5 and the third driving mechanism 7.

The first driving assembly 3 comprises a first gear 31 partially extending out of the motor cover from the upper side of the motor 2, and a second gear 32 engaged with the first gear 31, wherein the second gear 32 is rotatably connected with a fourth rotating shaft 16 fixed on the inner wall of the shell 1.

The second driving mechanism 5 comprises a connecting piece 51 fixedly connected with the main bolt 4, a horizontal groove 511 and a chute 512 which penetrate through the connecting piece 51, the horizontal groove 511 is parallel to the upper side surface of the motor 2, the chute 512 extends upwards and outwards from the right side position of the horizontal groove 511, two ends of the chute 512 respectively form a clamping groove 513, the clamping groove 513 is a groove body which forms an included angle with the chute 512 and can be a groove body vertical to the horizontal groove 511, the clamping groove 513 positioned at the upper end of the chute 512 is vertically upwards, and the clamping groove positioned at the lower end of the chute 512 is vertically downwards extended; in order to ensure that the main bolt 4 can stay in the state of extending out of the housing 1 or retracting into the housing 1, the convex column 832 is clamped in the clamping groove 513 to prevent the main bolt from moving randomly.

The third driving mechanism 7 includes two brackets 71 extending vertically and upwardly from the inner wall of the housing 1, the brackets 71 are parallel to each other in the transverse direction, a notch 711 with an upward opening is formed in the bracket 71, a cylindrical link 72 is transversely erected in the notch 711 of the bracket 71, the right end of the link 72 is fixedly connected to the latch tongue 6, the left end of the link 72 forms an annular flange 721 with an increased outer diameter, the link 72 is sleeved with an elastic member (not shown), the elastic member is a spring, one end of the elastic member abuts against the latch tongue 6, and the other end of the elastic member abuts against the side surface of the bracket 71 near the latch tongue 6. A driving block 74 is provided at a position near the left end of the link 72, the driving block 74 being rotatable about a second rotation shaft 14 fixed to the inner wall of the housing 1 and including a first projecting leg 741 below the second rotation shaft 14 and a second projecting leg 742 above, the second projecting leg 742 being capable of abutting against the side of the flange 721.

The linkage mechanism 8 comprises a toggle piece 81, a double-faced gear 82 and a rotating piece 83 which is rotationally connected to the shell 1 through a first rotating shaft 11; a through travel groove 831 is formed in the rotating member 83, the travel groove 831 is an arc groove structure with the first rotating shaft 11 as a circle center, a protruding column 832 protruding vertically upwards is further formed in the rotating member 83, and a positioning clamping groove 833 is further formed in the rotating member 83; the double-sided gear 82 is located below the rotating piece 83 and is also rotationally connected through the first rotating shaft 11, a first tooth portion 821 and a second tooth portion 822 are arranged on the same horizontal plane of the double-sided gear 82, the outer diameter of the position where the first tooth portion 821 is located is smaller than the outer diameter of the position where the second tooth portion is located, one end of the first tooth portion 821 is connected with one end of the second tooth portion 822, a smooth section 824 is arranged between the other ends of the first tooth portion 821 and the second tooth portion, and a limiting column 823 vertically protrudes from the upper surface of the double-sided; the toggle member 81 is rotatably connected to the housing 1 by a third rotating shaft 15 fixed to an inner wall of the housing 1, and is provided with a third tooth 811 and a leg 812 disposed at an opposite side thereof.

During assembly, the supporting leg 812 of the toggle member 81 is matched with the first protrusion leg 741, the third tooth portion 811 is engaged with the first tooth portion 821 of the double-sided gear 82, the second tooth portion 822 is engaged with the second gear 32 of the first driving assembly 3, the limiting post 823 of the double-sided gear 82 vertically penetrates through the stroke slot 831 of the rotating member 83, the first rotating shaft 11 vertically extends into the horizontal slot 511 of the connecting member 51, and the protrusion 832 of the rotating member 83 vertically penetrates through the inclined slot 512 of the connecting member 51.

When the first gear 31 is driven by the motor 2 to rotate, the second gear 32 is meshed with the second tooth part 822 to drive the double-sided gear 82 to rotate anticlockwise, and the first tooth part 821 is meshed with the third tooth part 811, so that the toggle member 81 rotates anticlockwise to give way, the first extension foot 741 is not limited by the support foot 812, and the elastic member in a compressed state releases to extend the latch tongue 6 out of the housing 1; at this time, due to the existence of the stroke slot 831, when the double-sided gear 82 rotates by a small angle, the rotating piece 83 cannot be triggered to rotate until the latch bolt 6 extends out of the housing 1, the double-sided gear 82 continues to rotate, the limit post 823 runs out of the stroke slot 831, namely the limit post 823 abuts against the end face of the stroke slot 831, the double-sided gear 82 drives the rotating piece 83 to rotate, the first rotating shaft 11 is matched with the horizontal slot 511, and the convex post 832 is matched with the chute 512 to drive the main latch bolt 4 to extend out of the housing 1; that is to say, the oblique bolt 6 stretches out casing 1 with main spring bolt 4 asynchronous, and oblique bolt 6 stretches out casing 1 earlier, accomplishes the location back, and main spring bolt 4 stretches out again for the action of locking a door is more effective, can realize only stretching out the action that oblique bolt 6 went on prevent wind the locking to the door moreover, and the locking form is more diversified.

The electromechanical separating mechanism 9 includes a push plate 91 fixedly connected to the housing of the motor 2, a first elastic member (not shown in the figure) for resetting the push plate 91, a push rod 93 vertically and fixedly connected to the push plate 91, a locking member 94 capable of being turned around the first rotating shaft 11 under the action of the push rod 93, a limit rod 95, a rail for horizontally moving the motor 2 up and down, and a second elastic member 96 for resetting the motor 2. Specifically, two guide posts 13 are fixedly connected to the inner wall of the housing 1 in a vertical manner, a sliding plate 21 is fixedly connected to the bottom surface of the motor 2, the limiting rod 95 is fixedly connected to the sliding plate 21 in a vertical manner, guide grooves 211 extending up and down are formed in two sides of the sliding plate 21, the two guide posts 13 penetrate out of the guide grooves 211 respectively, that is, the guide grooves 211 cooperate with the guide posts 13 to form the above-mentioned track.

The push plate 91 is located right above the linkage mechanism 8, that is to say, the push plate 91 is shielded above the linkage mechanism 8, the locking piece 94 is stacked right above the push plate 91, the locking piece 94 is also rotatably connected to the first rotating shaft 11, the push plate 91 is provided with a strip-shaped groove 911 extending vertically and allowing the first rotating shaft 11 to vertically penetrate out, and the push plate 91 is further provided with another square groove 912 for yielding the fourth rotating shaft 16. The third rotating shaft 15 abuts against the push plate 91, a groove 913 for the third rotating shaft 15 to be clamped is formed in the push plate 91, the width of the groove 913 is equal to the outer diameter of the third rotating shaft 15, and the third rotating shaft 15 abuts against the bottom surface of the groove 913.

In order to ensure the structural stability, the number of the limiting rods 95 is at least two, the locking member 94 is provided with a hook portion 941 capable of being respectively matched with the limiting rods 95, and the locking member 94 is further provided with a support arm 942 abutting against the push rod 93. Of course, as shown in fig. 19, the number of the limiting rod 95 may be one, and the number of the corresponding hook 941 is also one, so that the operation is more labor-saving when the mechanical and electrical separation is performed.

The first elastic element is a spring, one end of the first elastic element is connected with the locking element 94, the other end of the first elastic element is connected with a second supporting column 17 fixedly connected to the inner wall of the casing 1, and the second supporting column 17 is arranged close to the second rotating shaft 14.

The second elastic member 96 is a spring, one end of which is connected to the a position of the outer cover of the motor 2, and the other end of which is connected to the first support column 18 fixedly connected to the inner wall of the housing 1, in order to increase the stability of the whole structure, a waist-shaped groove 914 extending in the up-down direction is formed on the push plate 91, and the first support column 18 vertically penetrates out of the waist-shaped groove 914. In order to increase the pulling force and also to ensure structural stability, one end of a second further elastic element is also connected to the housing of the motor 2 at b, the other end of the second elastic element being connected to the first shaft 11.

A lock hole 12 for the mechanical unlocking assembly to extend into the casing 1 is formed in the bottom surface of the casing 1, which is close to the push plate 91, the mechanical unlocking assembly part extends into the casing 1 and then abuts against the upper edge of the push plate 91, when the mechanical unlocking assembly is rotated, the push plate 91 can be driven to move downwards, because the push plate 91 drives the push rod 93 to synchronously move downwards when moving downwards, the push rod 93 abuts against the locking piece 94, the locking piece 94 rotates anticlockwise around the first rotating shaft 11, so that the hook portion 941 is separated from the limit rod 95, and the locking between the hook portion 941 and the limit rod 95 is released, so that the motor 2 drives the limit rod 95 to synchronously move downwards along the track, the first gear 31 is far away from the second gear 32, that is, the motor 2 cannot; part of the mechanical unlocking assembly is clamped into the positioning clamping groove 833, external force is applied to manually rotate the mechanical unlocking assembly to drive the rotating piece 83 to rotate, the oblique bolt 6 and the main bolt 4 extend out of or retract into the shell 1, specific actions and principles are the same as those of the process, and detailed description is omitted.

In order to prevent the motor 1 from being in an on state all the time and reduce the service life, a trigger mechanism for turning off the motor 1 is further provided in the housing 1. Main spring bolt 4 includes the first main spring bolt 41 that is located the below of latch bolt 6 and is located the second main spring bolt 42 of first main spring bolt 41 below, and both pass through connecting piece 51 fixed connection, and connecting piece 51 includes the extension arm 514 that extends along the direction that is perpendicular to main spring bolt 4 activity, and second main spring bolt 42 is just fixed connection on extension arm 514, and the mounted position of motor 2 is roughly just right with extension arm 514, and the lowermost end vertically downwards fixed connection of extension arm 514 dials post 515. The trigger mechanism comprises a second guide post 19 vertically and fixedly connected to the inner wall of the shell 1, a movable plate 01 parallel to the inner wall of the shell 1, a trigger post 011 vertically and upwards protruding from the upper surface of the movable plate 01, and an inductive switch 02 electrically connected with the motor 2, wherein a second guide groove 012 for the second guide post 19 to penetrate out and a second chute 013 for the lower end of the dialing post 515 to extend into are formed in the movable plate 01, the second guide post 19 is a strip-shaped groove vertically extending in the vertical direction, and the second chute 013 is a strip-shaped groove extending in an inclined manner; when the extension arm 514 moves horizontally along with the connecting piece 51, the poking column 515 is matched with the second chute 013, and the second guide column 19 is matched with the second guide groove 012, so that the movable plate 01 moves vertically in the up-and-down direction, the trigger column 011 is driven to move downwards to be close to the inductive switch 02, and the trigger motor 2 is switched off; that is to say, when the action of retracting the main bolt 4 into the housing 1 is completed, the motor 2 is triggered to be turned off by the trigger mechanism, and the motor 2 is not used excessively.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims

1. A door lock characterized by: the automatic spring bolt driving mechanism comprises a shell (1), a motor (2) arranged in the shell (1), a first driving assembly (3) extending out of the side face of the motor (2), a main spring bolt (4), a second driving mechanism (5) used for driving the main spring bolt (4) to extend out of or retract into the shell (1), a latch bolt (6) positioned above the main spring bolt (4), a third driving mechanism (7) used for driving the latch bolt (6) to extend out of or retract into the shell (1), and a linkage mechanism (8) used for connecting the second driving mechanism (5) and the third driving mechanism (7); the linkage mechanism (8) at least comprises a toggle piece (81) matched with the third driving mechanism (7), a double-faced gear (82) and a rotating piece (83) rotationally connected to the shell (1) through a first rotating shaft (11), wherein a first tooth part (821) capable of being meshed with a third tooth part (811) on the toggle piece (81), a second tooth part (822) capable of being matched with the first driving component (3) and a limiting column (823) vertically penetrating through an upper stroke groove (831) of the rotating piece (83) are arranged on the double-faced gear (82); after the latch bolt (6) extends out of the shell (1), the limiting column (823) runs through the travel groove (831), and the double-sided gear (82) continues to rotate to drive the rotating piece (83) to synchronously rotate to drive the main latch bolt (4) to extend out of the shell (1).

2. The door lock according to claim 1, wherein: the second driving mechanism (5) comprises a connecting piece (51) connected with the main bolt (4), a horizontal groove (511) formed in the connecting piece (51), and an inclined groove (512) formed in the connecting piece (51), the first rotating shaft (11) vertically penetrates through the horizontal groove (511), and a convex column (832) capable of vertically penetrating through the inclined groove (512) is arranged on the rotating piece (83).

3. The door lock according to claim 2, wherein: the two ends of the chute (512) are respectively provided with a clamping groove (513) used for ensuring that the convex column (832) stays in the state that the main bolt (4) extends out of the shell (1) or retracts into the shell (1).

4. The door lock according to claim 1, wherein: the third driving mechanism (7) comprises a support (71) vertically fixed on the inner wall of the shell (1), a connecting rod (72) capable of moving along a notch groove (711) in the support (71), an elastic piece sleeved on the connecting rod (72) and having one end abutting against the support (71), and a driving block (74) capable of being in contact fit with the stirring piece (81), wherein one end of the connecting rod (72) is connected with the oblique tongue (6), the other end of the connecting rod is provided with a flange (721), the driving block (74) rotates around the second rotating shaft (14), and the third driving mechanism comprises a first extending foot (741) capable of being matched with the stirring piece (81) and a second extending foot (742) capable of abutting against the flange (721).

5. The door lock according to claim 1, wherein: the stroke groove (831) is an arc-shaped groove and extends by taking the first rotating shaft (11) as a circle center.

6. The door lock according to claim 4, wherein: the poking piece (81) is rotatably connected to the shell (1) through a third rotating shaft (15), and a supporting leg (812) which can be abutted against the first extending leg (741) is arranged on one side of the poking piece opposite to the third tooth part (811).

7. The door lock according to claim 2, wherein: the main bolt (4) comprises a first main bolt (41) and a second main bolt (42) positioned below the first main bolt (41), the connecting piece (51) comprises an extension arm (514) extending along the direction perpendicular to the moving direction of the main bolt (4), and the second main bolt (42) is fixedly connected with the extension arm (514); the motor (2) is arranged opposite to the extension arm (514).

8. The door lock according to claim 1, wherein: the first tooth part (821) and the second tooth part (822) are positioned on the same plane, and the outer diameter of the position of the first tooth part (821) is smaller than that of the position of the second tooth part (822).

9. The door lock according to claim 1, wherein: the first driving assembly (3) comprises a first gear (31) extending out of the motor cover from the side face of the motor (2) and a second gear (32) meshed with the first gear (31), the second gear (32) is meshed with a second tooth part (822) of the double-faced gear (82), and the second gear (32) is rotatably connected with a fourth rotating shaft (16) fixed on the shell (1).

10. The door lock according to claim 1, wherein: the double-sided gear (82) rotates circumferentially around the first rotating shaft (11).