CN212002726U

CN212002726U - Automatic lock convenient to unlock

Info

Publication number: CN212002726U
Application number: CN202020305354.8U
Authority: CN
Inventors: 颜健
Original assignee: Shenzhen Londen Information Engineering Co ltd
Current assignee: Shenzhen Londen Information Engineering Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-11-24
Anticipated expiration: 2030-03-12

Abstract

The utility model provides an automatic lock convenient for unlocking, which comprises a shell, a lock core driving mechanism, a motor driving mechanism and a lock tongue driving mechanism; the motor driving mechanism comprises a gear box, the lock cylinder driving mechanism comprises a poking sheet, the automatic lockset further comprises a pushing piece, a clutch sheet and an elastic return mechanism, the clutch sheet comprises a first end, a second end and a third end, and the pushing piece pushes the clutch sheet to rotate so as to separate the gear box from the lock tongue driving mechanism; the poking piece comprises a rotating disc and a poking rod, the pushing piece comprises an arc-shaped opening and a guide structure, and the guide structure comprises a first guide groove and a first guide column; the elastic return mechanism comprises a first elastic component, a second elastic component and a third elastic component, the gear box comprises a clamping portion and a second guide groove, and a second guide column is arranged in the second guide groove. The beneficial effects of the utility model reside in that: the clutch between the lock tongue transmission mechanism and the gear box is greatly convenient, and the use effect of the door lock and the use convenience of the door lock by a user are greatly optimized.

Description

Automatic lock convenient to unlock

Technical Field

The utility model belongs to the tool to lock field, more specifically say, relate to an automatic lock convenient to unblank.

Background

The lockset is a common tool in daily life, thousands of years of history exist in the world, and has certain influence on normal life of people, most of traditional household or company locksets lack of automatic mechanical locksets, and the locksets are locked and unlocked by physically operating lock cylinders through entity keys. The existing automatic door lock gear box generally does not have the function of automatic clutch, the lock tongue can be controlled to be unlocked only by driving the lock tongue transmission mechanism to control the lock tongue through the gear transmission by the motor arranged in the door lock, when the motor stops working or a user needs to manually open the door through the lock core driving mechanism, the user needs extra action to enable the lock tongue transmission mechanism to be in clutch action with the gear box, and the manual unlocking mode is complex, fussy and inconvenient to operate, and influences the use effect of the door lock and the use convenience of the door lock of the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic lock convenient to unblank to solve the inconvenient technical problem of separation and reunion of the spring bolt drive mechanism that the automatic lock exists among the prior art and gear box.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an automatic lock convenient to unblank, includes casing, lock core actuating mechanism, motor drive mechanism and spring bolt drive mechanism, motor drive mechanism include with the gear box that the transmission of spring bolt drive mechanism is connected, lock core actuating mechanism includes the plectrum, its characterized in that, automatic lock still includes: the pushing piece is arranged on one side of the poking piece, and the poking piece rotates and pushes the pushing piece to move linearly; the clutch plate is rotationally arranged and comprises a first end which is abutted against the gear box so as to enable the gear box to be in transmission connection with the lock tongue transmission mechanism, a second end which is arranged on one side of the gear box and is in transmission connection with the lock tongue transmission mechanism and a third end which is arranged on the pushing piece in the motion direction, the pushing piece pushes the third end to enable the clutch plate to rotate, the first end rotates towards the direction far away from the gear box, the second end rotates towards the gear box and is abutted against the gear box so as to enable the gear box to be separated from the lock tongue transmission mechanism; the elastic return mechanism is connected with the gear box so that the gear box returns to be in transmission connection with the bolt transmission mechanism.

Furthermore, the poking piece comprises a rotating disc and a poking rod, the pushing piece comprises an arc-shaped opening and a guide structure, the rotating disc is arranged in the arc-shaped opening, and the poking rod rotates around the rotating disc and abuts against the arc-shaped opening so that the pushing piece can move linearly along the guide structure.

Furthermore, the guide structure comprises a first guide groove with a length and a first guide post arranged in the first guide groove, at least two first guide grooves are arranged on the pushing piece, the first guide posts are fixed with the shell, and the pushing piece moves linearly along the length direction of the first guide groove.

Further, the gear box includes joint portion, joint portion locates on the rotation direction of second end, just first end with joint portion offsets.

Further, the clamping portion comprises a first clamping groove and a second clamping groove, the first end is arranged in the first clamping groove, and the second end is arranged in the second clamping groove.

Further, the elastic return mechanism comprises a first elastic assembly installed on the shell, and the first elastic assembly is connected with the gear box to drive the gear box to return.

Furthermore, the elastic return mechanism further comprises a second elastic assembly mounted on the shell, and the second elastic assembly is connected with the pushing piece to drive the pushing piece to return.

Furthermore, the elastic return mechanism further comprises a third elastic assembly arranged on the shell, and the third elastic assembly is connected with the clutch plate to drive the clutch plate to return.

Further, the gear box comprises a second guide groove extending along the separation direction of the gear box and the bolt transmission mechanism, and a second guide column installed on the shell is arranged in the second guide groove.

Further, the first elastic assembly comprises a spring, one end of the spring is connected with the second guide column, and the other end of the spring is connected with the gear box.

The utility model provides an automatic lock convenient to unblank's beneficial effect lies in: when the motor stops working or a user needs to manually open the door through the lock cylinder driving mechanism, the key is used for rotating the poking piece, the poking piece is abutted to the rotating piece, and the gear box is separated from the main gear, so that the lock tongue can be driven by the key to be retracted to open the door, after the door opening action is completed, the poking piece is rotated back to the initial position (the poking rod faces to the side away from the arc opening), the gear box is pulled back to be in transmission connection with the lock tongue driving mechanism under the action of the elastic return mechanism, the gear box is continuously meshed with the main gear, the clutch of the lock tongue driving mechanism and the gear box is enabled to be convenient greatly, and the use effect of the door lock by the user is greatly optimized.

Drawings

FIG. 1 is a schematic front view of an automatic lock of the present invention;

FIG. 2 is a schematic three-dimensional diagram of an automatic lock of the present invention;

fig. 3 is a schematic three-dimensional diagram of a lock tongue transmission mechanism of an automatic lock of the present invention;

fig. 4 is a schematic back diagram of a partial structure of an automatic lock of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, the utility model provides an automatic lock convenient to unblank includes casing (not shown in the figure), lock core actuating mechanism, motor drive mechanism and spring bolt drive mechanism, and lock core actuating mechanism is by the key control spring bolt extension or the drive mechanism of return in inserting the lock core, and motor drive mechanism is the drive mechanism that the spring bolt extended or the return through the motor.

The utility model provides an automatic lockset still includes gear box clutching mechanism, and gear box clutching mechanism includes impeller 41, clutch plate 42 and elastic return mechanism 43.

Specifically, the motor driving mechanism comprises a motor 11 and a gear box 12, an output shaft of the motor 11 is in transmission connection with the gear box 12, and the gear box 12 is in transmission connection with the bolt transmission mechanism so as to control the extension or return of the bolt.

As shown in fig. 1 and 3, the latch bolt transmission mechanism includes a main gear 21, a rotating plate 22 and a rack 23, one end of the rack 23 is fixed with the dead bolt 4, the main gear 21 is disposed on the upper portion of the gear box 12 and is engaged with the gear box 12 through teeth, the main gear 21 and the rotating plate 22 are coaxially disposed through a rotating shaft 24, a protruding column 211 is disposed on the surface of the main gear 21, an arc-shaped groove 221 is disposed on the surface of the rotating plate 22, the center of the arc-shaped groove 221 coincides with the rotating shaft 24, the protruding column 211 is disposed in the arc-shaped groove 221, when the main gear 21 rotates, the protruding column 211 rotates around the rotating shaft, and the protruding column 211 abuts against the arc-shaped groove 221 while rotating and drives the rotating plate 22 to rotate in the same direction; the rotating sheet 22 includes a sliding block 222 disposed at one end thereof, the bent frame 23 is a plate-shaped structure having a thickness, the plate surface of the bent frame 23 is disposed close to the plate surface of the rotating sheet 22, the bent frame 23 includes a slot 231, the rotating shaft 24 simultaneously penetrates through the slot 231, the slot 231 has a length, the length direction of the slot 231 is the same as the extending direction of the latch bolt, a chute 232 is disposed on the bent frame 23, the sliding block 222 is disposed in the chute 232, when the rotating sheet 22 rotates clockwise with the rotating shaft 24 as a rotation center, the sliding block 222 moves in the chute 232, the bent frame 23 moves toward the direction in which the latch bolt 4 extends under the driving of the sliding block 222, and when the rotating sheet 22 rotates counterclockwise, the sliding block 222 drives the bent frame 23 to move toward the direction in which the latch bolt 4 returns.

The lock cylinder driving mechanism comprises a lock cylinder and a poking sheet 31, a key is inserted into the lock cylinder, so that the lock cylinder driving mechanism is driven by rotating the key, the poking sheet 31 correspondingly rotates along with the rotation of the key, the pushing member 41 is arranged on one side of the poking sheet 31, and the poking sheet 31 rotates and pushes the pushing member 41 to do linear motion.

Specifically, the pushing member 41 includes an upper pushing piece 411 and a lower pushing piece 412, the upper pushing piece and the lower pushing piece are disposed opposite to each other and fixed by a pin, wherein one side of the pushing member 41 is an arc-shaped opening 413 and a guiding structure 414, the toggle piece 31 is located in the arc-shaped opening 413, the toggle piece 31 includes a rotating disc 311 and a toggle rod 312, when the lock is in a locked state, the toggle rod 312 is located outside the arc-shaped opening 413, when the toggle rod 312 rotates around the rotating disc 311, the toggle rod 312 rotates into the arc-shaped opening 413 and abuts against the arc-shaped opening 413, as the toggle rod 312 rotates, the toggle rod 312 pushes the pushing member 41 open, and the pushing member 41 makes a linear motion under the guiding effect of the guiding structure 414.

Further, as shown in fig. 4, the guiding structure 414 includes a first guiding groove 4141 and a first guiding column 4142, which are disposed on the lower pushing plate, the first guiding groove 4141 includes two guiding grooves and is respectively located at two sides of the arc-shaped opening 413, the first guiding groove 4141 has a length, the first guiding column 4142 is fixedly installed in the housing, and when the toggle plate 31 rotates against the pushing member 41, the pushing member 41 performs a linear motion with a length direction of the first guiding groove 4141 as a track.

The central portion of clutch plate 42 has a circular hole. The clutch plate 42 is installed on the pin through a circular hole and arranged in the moving direction of the pushing piece 41, and when the pushing piece 41 makes a linear motion, the pushing piece abuts against one end of the clutch plate 42 and pushes the clutch plate 42 to rotate; the clutch plate 42 includes a first end 421, a second end 422 and a third end 423, the first end 421 abuts against the lower end of the gear box 12 to engage the gear box 12 with the main gear 21, the second end 422 is disposed on the upper side of the gear box (i.e., the side of the gear box 12 in transmission connection with the main gear 21), the third end 423 is disposed in the moving direction of the pushing member 41, the pushing member 41 pushes the third end to rotate the clutch plate 42, the first end rotates in the direction away from the gear box 12 to cancel the acting force of the first end and the gear box 12, the second end rotates in the direction close to the gear box and abuts against the gear box, and the gear box is disengaged from the latch bolt transmission mechanism under the pushing of the second end.

Further, including joint portion on the gear box 12, joint portion locates on the rotation direction of second end 422, and first end 421 offsets with joint portion, through the joint portion that sets up specially on gear box 12 to carry out the special design to joint portion, so that the inside structure of casing more compact and avoid gear box 12 main part to break down because long-term atress.

Specifically, the clamping portion includes a first clamping groove 121 and a second clamping groove 122, the first end is disposed in the first clamping groove 121, the second end is disposed in the second clamping groove 122, and the arrangement of the first clamping groove 121 and the second clamping groove 122 prevents the clutch plate 42 from directly abutting against the gear box 12 to interfere with other structures, or prevents the interference from further enlarging the size of the lock body.

The resilient return mechanism 43 is connected to the gear housing 12 to return the gear housing 12 to a state in driving connection with the deadbolt mechanism.

Specifically, the elastic return mechanism 43 includes a first elastic component 431, a second elastic component 432 and a third elastic component 433, which are mounted on the housing, the first elastic component 431 is connected with the gear box 12 to drive the gear box to return, the second elastic component 432 is connected with the pushing member 41 to drive the pushing member 41 to return, and the third elastic component is connected with the clutch plate 42 to drive the clutch plate to return.

In this embodiment, the elastic structures of the first elastic component 431, the second elastic component 432 and the third elastic component 433 are springs, and the springs are fixedly connected to the housing.

Further, as shown in fig. 2, the gear case 12 includes a second guide groove 123, the second guide groove 123 extends along a direction of disengaging the gear case 12 from the latch mechanism, a second guide post 124 fixed to the housing is further provided in the second guide groove 123, when the gear case 12 is pushed by the clutch plate to disengage from the main gear, the gear case 12 moves in the direction of extending the second guide groove 123 by the second guide post 124, one end of a spring of the first elastic member 431 is connected to the second guide post 124, and the other end of the spring is connected to the gear case 12, and when the gear case 12 is disengaged, the gear case 12 is pulled back to the initial position of engaging with the teeth of the main gear by the elastic force.

Preferably, the second elastic assembly 432 comprises two springs, one end of the spring of the second elastic assembly 432 is connected with the pushing member 41, and the other end is fixed with the housing through a pin, and the elastic direction of the spring is the linear movement direction of the pushing member 41, so as to return the pushing member 41 to the initial position along the direction of the guiding structure 414.

One end of the spring of the third elastic component 433 is connected to the first end 421, and the other end is fixedly connected to the second guiding column 124, and after the clutch plate rotates, the clutch plate 42 (especially the first end 421) is pulled back to a position abutting against the gear box 12 under the action of the spring.

When the motor stops working or a user needs to manually open the door through the lock cylinder driving mechanism, when the poking piece 31 is rotated by a key, the poking piece 31 abuts against the rotating piece 22 and simultaneously separates the gear box 12 from the main gear, so that the lock tongue is driven to be retracted to open the door, after the door opening action is completed, the poking piece 31 rotates back to the initial position (the poking rod 312 faces to the side away from the arc-shaped opening), the gear box 12 is pulled back to be in transmission connection with the lock tongue transmission mechanism under the action of the elastic return mechanism 43, and the gear box is continuously kept meshed with the main gear.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an automatic lock convenient to unblank, includes casing, lock core actuating mechanism, motor drive mechanism and spring bolt drive mechanism, motor drive mechanism include with the gear box that the transmission of spring bolt drive mechanism is connected, lock core actuating mechanism includes the plectrum, its characterized in that, automatic lock still includes:

the pushing piece is arranged on one side of the poking piece, and the poking piece rotates and pushes the pushing piece to move linearly;

the clutch plate is rotationally arranged and comprises a first end which is abutted against the gear box so as to enable the gear box to be in transmission connection with the lock tongue transmission mechanism, a second end which is arranged on one side of the gear box and is in transmission connection with the lock tongue transmission mechanism and a third end which is arranged on the pushing piece in the motion direction, the pushing piece pushes the third end to enable the clutch plate to rotate, the first end rotates towards the direction far away from the gear box, the second end rotates towards the gear box and is abutted against the gear box so as to enable the gear box to be separated from the lock tongue transmission mechanism;

the elastic return mechanism is connected with the gear box so that the gear box returns to be in transmission connection with the bolt transmission mechanism.

2. The automatic lock according to claim 1, wherein said toggle piece includes a rotating disc and a toggle lever, said pusher includes an arcuate opening and a guide structure, said rotating disc is disposed within said arcuate opening, said toggle lever rotates about said rotating disc and abuts said arcuate opening to move said pusher linearly along said guide structure.

3. The automatic lock of claim 2, wherein the guide structure includes a first guide slot having a length and a first guide post disposed in the first guide slot, at least two of the first guide slots are disposed on the pushing member, the first guide post is fixed to the housing, and the pushing member moves linearly along the length of the first guide slot.

4. The automatic lockset of claim 1, wherein the gear box comprises a snap-fit portion, the snap-fit portion is disposed in a rotation direction of the second end, and the first end abuts against the snap-fit portion.

5. The automatic lock according to claim 4, wherein said locking portion comprises a first locking groove and a second locking groove, said first end is disposed in said first locking groove, and said second end is disposed in said second locking groove.

6. The automatic lock according to claim 1, wherein said elastic return mechanism comprises a first elastic component mounted on said housing, said first elastic component being connected to said gear box to return said gear box.

7. The automatic lock according to claim 1 or 6, characterized in that said elastic return mechanism further comprises a second elastic assembly mounted on said housing, said second elastic assembly being connected to said pusher to bring said pusher into return.

8. The automatic lock according to claim 7, wherein the resilient return mechanism further comprises a third resilient member mounted on the housing, the third resilient member being coupled to the clutch plate to return the clutch plate.

9. The automatic lock according to claim 6, wherein said gear box includes a second guide groove extending in a direction of disengagement of said gear box from said deadbolt mechanism, said second guide groove having a second guide post therein mounted on said housing.

10. The automatic lock according to claim 9, characterized in that said first elastic assembly comprises a spring, one end of which is connected to said second guide post and the other end of which is connected to said gear box.