1. The utility model provides an unlocking mechanism for the turning arm in the drive lock body rotates in order to realize unblanking, its characterized in that includes:

the clutch assembly is arranged in the lock body and comprises a normally open piece and two clutch pieces, the normally open piece and the two clutch pieces are both abutted against the crank arm, the normally open piece is arranged between the two clutch pieces, the normally open piece is provided with a normally open matching hole which is arranged in a through manner and provided with a front-back direction and a non-circular hole in cross section shape, and the clutch pieces are provided with a clutch matching hole which is arranged in a through manner and provided with a front-back direction and a non-circular hole in cross section shape;

the rotating assembly comprises a normally open connecting piece and a clutch connecting piece, wherein the normally open connecting piece comprises a normally open external part, a normally open avoiding part and a normally open switching part which are sequentially connected, the normally open switching part is positioned in a normally open matching hole, and the clutch connecting piece is driven to correspond in the rotating process, the normally open avoiding part is positioned in one of the clutch matching holes, and the clutch matching holes are avoided in the rotating process and correspond to each other, the clutch connecting piece comprises a clutch external part and a clutch switching part which are connected with each other, the clutch switching part is positioned in the other clutch matching hole, and the clutch connecting piece is driven to correspond in the rotating process.

2. The unlocking mechanism of claim 1, wherein the lower ends of the two clutch members are respectively provided with a clamping opening, and projections of the clamping openings in the front and rear directions are overlapped.

3. The unlocking mechanism of claim 1, wherein the clutch assembly further includes protruding posts respectively disposed on the two clutch members, each protruding post is respectively disposed on an outer end surface of the corresponding clutch member, and a positioning hole is formed on the protruding post.

4. The lock release mechanism according to claim 3, wherein the positioning hole communicates with the clutch engagement hole, and a projection of the positioning hole in the front-rear direction overlaps with the clutch engagement hole.

5. The unlocking mechanism of claim 4, wherein a groove is formed on an end surface of each clutch member adjacent to the normally open member, two protrusions are formed on two end surfaces of the normally open member adjacent to each clutch member, each protrusion is engaged in the corresponding groove, and the normally open engagement hole penetrates through the two protrusions.

6. The unlocking mechanism of claim 5, wherein one of said clutch members engages a front face of said normally open member and the other of said clutch members engages a rear face of said normally open member.

7. The unlocking mechanism of claim 6, wherein a rotation space is formed between said clutch members, and said normally open member is disposed in said rotation space.

8. The lock release mechanism according to any one of claims 1 to 7, wherein the clutch engagement hole and the normally open engagement hole overlap in projection in the front-rear direction.

9. The unlocking mechanism of claim 8, wherein said clutch members and said normally open member are bilaterally symmetric about a central axis.

10. An electronic lock comprising a lock body including a motor, a motor driver, a crank arm, an adapter structure, and a latch bolt, wherein the electronic lock further comprises the unlocking mechanism of any one of claims 1 to 9.

Background

In daily life, two door bodies are an inward opening door and an outward opening door, wherein the inward opening door refers to the door body with the plane end of the oblique tongue in the electronic lock positioned at the inner side of the door, and the outward opening door refers to the door body with the plane end of the oblique tongue in the electronic lock positioned at the outer side of the door.

Among the prior art, be provided with an unlocking mechanism in the electronic lock usually, this unlocking mechanism can drive the turning arm in the electronic lock and rotate, and the rotation of turning arm can drive the latch bolt in the lock body or prevent pulling out the tongue and retreat in order to realize unblanking, thereby accomplish the door opening, unlocking mechanism includes the separation and reunion square shaft of being connected with outer handle, the first separation and reunion spare with this separation and reunion square shaft connection, the second separation and reunion spare with this separation and reunion square shaft connection of being connected with interior handle, wherein, the bayonet socket has been seted up on the first separation and reunion spare that is used for being connected with separation and reunion square shaft, this bayonet socket is used for with the motor plectrum joint, and be used for not being equipped with the bayonet socket on the second separation and reunion spare with normally opening square shaft connection, the shape and the function of first separation and reunion spare are all different, the defect that exists is: the electronic lock has the advantages that the first clutch piece and the second clutch piece which are arranged in front and at the back have different structures, so that the lock body cannot be turned back and forth, only can be suitable for one door body of an inward opening door or an outward opening door, and is poor in universality.

Disclosure of Invention

The embodiment of the invention aims to provide an unlocking mechanism, and the technical problem that the lock body in the prior art cannot be turned back and forth, so that the lock body can only be suitable for one door body of an inward opening door or an outward opening door, and the universality is poor is solved.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an unlocking mechanism for the crank arm in the drive lock body rotates in order to realize unblanking, includes:

the clutch assembly is arranged in the lock body and comprises a normally open piece and two clutch pieces, the normally open piece and the two clutch pieces are both abutted against the crank arm, the normally open piece is arranged between the two clutch pieces, the normally open piece is provided with a normally open matching hole which is arranged in a through manner and provided with a front-back direction and a non-circular hole in cross section shape, and the clutch pieces are provided with a clutch matching hole which is arranged in a through manner and provided with a front-back direction and a non-circular hole in cross section shape;

the rotating assembly comprises a normally open connecting piece and a clutch connecting piece, wherein the normally open connecting piece comprises a normally open external part, a normally open avoiding part and a normally open switching part which are connected in sequence, the normally open switching part is positioned in the normally open matching hole, and the clutch connecting piece is driven to correspond in the rotating process, the normally open avoiding part is positioned in one of the clutch matching holes, and the clutch matching holes are avoided in the rotating process and correspond to each other, the clutch connecting piece comprises a clutch external part and a clutch switching part which are connected with each other, the clutch switching part is positioned in the other clutch matching hole, and the clutch connecting piece is driven to correspond in the rotating process.

Optionally, the lower ends of the two clutch pieces are both provided with clamping interfaces, and projections of the clamping interfaces in the front and back directions are overlapped.

Optionally, the clutch assembly further includes protruding columns respectively disposed on the two clutch members, each protruding column is respectively disposed on the outer end surface of the corresponding clutch member, and a positioning hole is formed on the protruding column.

Alternatively, the positioning hole communicates with the clutch engagement hole, and a projection of the positioning hole in the front-rear direction overlaps with the clutch engagement hole.

Optionally, a groove is formed in an end surface of each clutch member close to the normally open member, two protrusions are formed in two end surfaces of the normally open member close to the clutch members, each protrusion is clamped in the corresponding groove, and the normally open mating hole penetrates through the two protrusions.

Optionally, one of the two clutch members is attached to the front end face of the normally open member, and the other of the two clutch members is attached to the rear end face of the normally open member.

Optionally, a rotating space is formed between the two clutch members, and the normally open member is arranged in the rotating space.

Optionally, the clutch engagement hole and the normally open engagement hole overlap in projection in the front-rear direction.

Optionally, the two clutch members and the normally open member are bilaterally symmetrical along a central axis.

The unlocking mechanism provided by the invention has the beneficial effects that: compared with the prior art, the unlocking mechanism is provided with the clutch assembly, the normally-open part is arranged between the two clutch parts, and the normally-open connecting part and the clutch connecting part are also arranged, the normally-open connecting part can be inserted into the normally-open matching hole from the outer side of any clutch part to ensure that personnel in the door can normally open, the clutch connecting part can also be inserted into the clutch matching hole from the outer side of any clutch part to ensure that personnel outside the door can unlock the door by using electricity, the electronic lock assembled with the clutch assembly can be assembled on an inward opening door and an outward opening door only by turning the front side and the back side of the lock body, and the technical problem of poor universality of the lock body is solved.

The invention also provides an electronic lock which comprises a lock body, wherein the lock body comprises a motor, a motor shifting piece, a crank arm, a switching structure and an oblique tongue, and the electronic lock also comprises the unlocking mechanism.

Compared with the prior art, the electronic lock has the advantages that the unlocking mechanism is arranged in the electronic lock, the normally-open connecting piece in the unlocking mechanism can be inserted into the normally-open matching hole from the outer side of any clutch piece to ensure that a person in the door can normally open, the clutch connecting piece can also be inserted into the clutch matching hole from the outer side of any clutch piece to ensure that a person outside the door can unlock the electronic lock by using electricity, the electronic lock body assembled with the clutch assembly can be assembled on an inward opening door and an outward opening door only by turning the front side and the back side, and the technical problem of poor universality of the lock body is solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the embodiments or drawings used in the prior art description, and obviously, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of an unlocking mechanism according to an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of an unlocking mechanism provided in the embodiment of the present invention;

FIG. 3 is a schematic structural view of a clutch member provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a normally open connector according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a lock body according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Clutch assembly
110	Normally open member
				111	Normally open mating hole	112	Projection
120	Clutch member
				121	Clutch engaging hole	122	Card interface
123	Groove
				130	Convex column
140	Rotating space
				200	Rotating assembly
210	Normally open connecting piece
				211	Normally open external connection part	212	Normally open avoiding part
213	Normally open switching part
				220	Clutch connecting piece
221	Clutch external connection part	222	Clutch switching part
				300	Lock body
310	Electric machine
				320	Motor plectrum
330	Crank arm
				340	Switching structure
350	Oblique tongue

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. 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.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" 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 defined otherwise.

Referring to fig. 1 to 5, an unlocking mechanism according to an embodiment of the present invention will be described. The unlocking mechanism is used for driving the crank arm 330 in the lock body 300 to rotate so as to realize unlocking, wherein the crank arm 330 refers to a swinging structure which is arranged in the lock body 300 and can drive the latch bolt 350 to retreat towards the interior of the lock body 300, and the unlocking mechanism comprises a clutch assembly 100 and a rotating assembly 200.

Wherein, clutch assembly 100 locates in lock body 300 and includes normally open 110 and two clutch pieces 120, and two clutch pieces 120 and normally open 110 all can with the turning arm 330 butt, and normally open 110 locates between two clutch pieces 120, specifically, two clutch pieces 120 and normally open 110 and turning arm 330 butt indicate, two clutch pieces 120 and normally open 110 and do benefit to the terminal surface contact that turning arm 330 rotated. The rotation of the first clutch 120, the second clutch 120 and the normally open part 110 can drive the crank arm 330 to rotate, and the rotation of the crank arm 330 can drive the latch bolt 350 to retreat into the lock body 300, so that unlocking is realized.

The normally open member 110 is provided with a normally open engaging hole 111 which is arranged in a penetrating manner and has a non-circular cross-sectional shape in a front-back direction, and the clutch member 120 is provided with a clutch engaging hole 121 which is arranged in a penetrating manner and has a non-circular cross-sectional shape in a front-back direction. Specifically, the square hole is opened at the center positions of the first clutch member 120, the second clutch member 120 and the normally open member 110, and since the projections of the square holes in the front-rear direction are overlapped, the shapes and sizes of the square holes are the same; the cross section of the square hole can be square, rectangular, rhombic, or pentagonal, and in short, the cross section of the square hole which can easily drive the first clutch member 120, the second clutch member 120 and the normally open member 110 to rotate is within the consideration of the present invention. And by overlapping the projections of the square holes of the first clutch member 120, the second clutch member 120 and the normally open member 110 in the front-rear direction, the rotating assembly 200 engaged with the clutch pack can be inserted into the clutch assembly 100 from one side of the first clutch member 120 and also can be inserted into the clutch assembly 100 from one side of the second clutch member 120.

The rotating assembly 200 comprises a normally open connecting piece 210 and a clutch connecting piece 220, the normally open connecting piece 210 comprises a normally open external part 211, a normally open avoiding part 212 and a normally open switching part 213 which are sequentially connected, the normally open switching part 213 is located in a normally open matching hole 111, the corresponding clutch piece 120 is driven to rotate in the rotating process, the normally open avoiding part 212 is located in a clutch matching hole 121, and the corresponding clutch matching hole 121 is avoided in the rotating process. Specifically, normally open external portion 211 is connected with the interior handle of AND gate, and when the interior handle of revolving door, can drive normally open connecting piece 210 and rotate, because normally open dodge portion 212 and separation and reunion mating holes 121 and dodge, normally open connecting piece 210 can not drive separation and reunion piece 120 and rotate, has realized the latch bolt 350 in the drive lock body 300 to unblank in the completion door. It should be noted that the normally open component 110 can drive the connecting lever 330 to rotate at any time through the inner handle of the revolving door, so as to ensure that the personnel in the door can normally open at any time.

The clutch connector 220 includes a clutch outer 221 and a clutch adapter 222 connected to each other, and the clutch adapter 222 is located in the other clutch engaging hole 121 and drives the corresponding clutch member 120 to rotate during the rotation process. The clutch connecting piece 220 is a square shaft structure with a cross section shape matched with the clutch matching hole 121, the clutch transfer part 222 is inserted into the clutch matching hole 121 and clamped with the clutch piece 120, specifically, the clutch connecting piece 220 is clamped in the clutch matching hole 121 of one of the two clutch pieces 120, and after the clutch connecting piece 220 is clamped in the clutch matching hole 121, the clutch matching hole 121 in the clutch piece 120 can limit the clutch connecting piece 220 to rotate axially. The clutch external part 221 is used for being connected with an external handle of the door, when the clutch piece 120 in the lock body 300 is in a locking state, the external handle of the door cannot be rotated, the clutch external part 221 connected with the external handle of the door cannot drive the clutch piece 120 to rotate, when the clutch piece 120 in the lock body 300 is in an unlocking state, the clutch piece 220 can drive the clutch piece 120 to rotate through rotating the external handle of the door as the clutch connecting piece 220 connected with the external handle of the door can be clamped with the clutch matching hole 121 in the clutch piece 120, and the driving oblique tongue 350 is driven to retreat so as to unlock the door.

Compared with the prior art, the unlocking mechanism is arranged in the electronic lock, the normally open connecting piece 210 in the unlocking mechanism can be inserted into the normally open matching hole 111 from the outer side of any clutch piece 120 so as to ensure that a person in the door can normally open, the clutch connecting piece 220 can also be inserted into the clutch matching hole 121 from the outer side of any clutch piece 120 so as to ensure that the person outside the door can unlock the electronic lock by using electricity, the lock body 300 of the electronic lock provided with the clutch assembly 100 can be assembled on an inward opening door and an outward opening door only by turning the front side and the back side, and the technical problem that the lock body 300 is poor in universality is solved.

Referring to fig. 1 and fig. 3, as an embodiment of the unlocking mechanism provided by the present invention, the lower ends of the two clutch members 120 are both provided with a snap interface 122, and projections of the snap interfaces 122 in the front and rear directions are overlapped. Through setting up two joint interfaces 122, these two card interfaces can both with the motor 310 plectrum joint in the lock body 300 for clutch 120 when the motor 310 plectrum does not take out from two joint interfaces 122, clutch 120 can not rotate, guarantees that the outer handle of door that is connected with clutch 120 can not directly unblank. Overlap two card interfaces 122 in the back and forth direction for when the card inserts the motor 310 plectrum, the structure is more stable.

Please refer to fig. 1, as a specific embodiment of the unlocking mechanism provided in the present invention, the clutch assembly 100 further includes protruding columns 130 respectively disposed on the two clutch members 120, each protruding column 130 is respectively disposed on the outer end surface of the corresponding clutch member 120, and a positioning hole is disposed on the protruding column 130. The post 130 functions as: the square hole is convenient for the clutch connecting piece 220 or the normally open connecting piece 210 to be inserted, the inserted positioning effect of the clutch connecting piece 220 and the normally open connecting piece 210 is realized, and the assembling convenience of the rotating assembly 200 is improved.

Referring to fig. 1, as a specific embodiment of the unlocking mechanism provided by the present invention, the positioning hole is communicated with the clutch engaging hole 121, and the projection of the positioning hole in the front-back direction overlaps with the clutch engaging hole 121, so that the normally open connecting element 210 and the clutch connecting element 220 can be smoothly inserted into the clutch engaging hole 121, and the structural stability of the normally open connecting element 210 and the clutch connecting element 220 after being inserted into the clutch engaging hole 121 can be improved.

Referring to fig. 1 and fig. 3, as an embodiment of the unlocking mechanism provided by the present invention, a groove 123 is disposed on an end surface of each clutch member 120 close to the normally open member 110, two protrusions 112 are disposed on two end surfaces of the normally open member 110 close to each clutch member 120, each protrusion 112 is clamped in the corresponding groove 123, and the normally open mating hole 111 penetrates through the two protrusions 112. Set up recess 123 through on each clutch 120, and set up two archs 112 at two terminal surfaces of normally opening piece 110, make when assembling clutch assembly 100, can be earlier through the mode of lock with two clutch 120 locks in the both sides of normally opening piece 110, each clutch 120 and the difficult slip of normally opening between the piece 110, guaranteed that clutch 120 and normally opening have certain joint effect between the piece 110, improved the convenience of assembling clutch assembly 100.

Referring to fig. 1, as an embodiment of the unlocking mechanism provided by the present invention, the clutch member 120 and the normally open member 110 are both sheet-like structures.

Referring to fig. 2, as an embodiment of the unlocking mechanism provided in the present invention, one of the two clutch members 120 is attached to the front end surface of the normally open member 110, and the other of the two clutch members 120 is attached to the rear end surface of the normally open member 110. By attaching the engaging element 120 to the normally open element 110, the volume of the clutch assembly 100 in the front-back direction is reduced, so that the structure of the clutch assembly 100 is more compact.

Referring to fig. 2, as an embodiment of the unlocking mechanism provided in the present invention, a rotating space 140 is formed between the two clutch members 120, and the normally open member 110 is disposed in the rotating space 140. By disposing the normally open member 110 in the rotating space 140, the normally open member 110 can be protected and the normally open member 110 can be rotated between the two clutch members 120.

Referring to fig. 1, as an embodiment of the unlocking mechanism provided in the present invention, a projection of the clutch engagement hole 121 and the normally open engagement hole 111 in the front-rear direction overlaps. The engagement hole 121 and the normally open engagement hole 111 are overlapped in projection in the front-rear direction, so that the lock body 300 of the forward-reverse assembly clutch assembly 100 is convenient to manufacture and achieves universality after forward-reverse overturning.

Referring to fig. 1, as an embodiment of the unlocking mechanism provided by the present invention, the first clutch member 120, the second clutch member 120 and the normally open member 110 are symmetric about a central axis.

Referring to fig. 1 and 5, the present invention further provides an electronic lock, which includes a lock body 300, the lock body 300 includes a motor 310, a striking plate, a crank arm 330, an adapting structure 340, and a latch bolt 350, and the lock body 300 further includes the unlocking mechanism.

According to the electronic lock provided by the invention, the lock body 300 with the unlocking mechanism is adopted, and the lock body 300 can be applied to an inward opening door and an outward opening door by turning over the lock body 300, so that the universality of the electronic lock is improved.

The unlocking process of the inward opening door or the outward opening door assembled on the lock body 300 is as follows: an inner person in the door rotates an inner handle connected with the normally open connecting piece 210 to drive the normally open piece 110 to rotate, and the rotation of the normally open piece 110 can drive the connecting lever 330 to swing so as to drive the switching structure 340 to drive the latch tongue 350 to retreat, so that unlocking is realized; the personnel outdoors firstly need to input magnetic induction information into the lock body 300, after the motor 310 in the lock body 300 receives the magnetic induction information, the motor 310 drives the shifting piece of the motor 310 to be separated from the clamping interface 122, and at the moment, the outer handle connected with the clutch connecting piece 220 is rotated, so that the clutch piece 120 is driven to rotate, the rotation of the clutch piece 120 can drive the crank arm 330 to swing to drive the latch tongue 350 to retreat, and the unlocking of the personnel outdoors is realized.

The present invention is not limited to the above preferred embodiments, but includes all modifications, equivalents, and improvements within the spirit and scope of the present invention.