CN216110141U - Clutch mechanism and electronic lock - Google Patents

Abstract

The utility model discloses a clutch mechanism and an electronic lock, wherein the clutch mechanism comprises a first rotating piece, a second rotating piece and a locking piece, a limiting bulge and a first locking groove are arranged on the outer wall of the first rotating piece, the first rotating piece is arranged in the second rotating piece in a penetrating manner, a locking cavity and a second locking groove are arranged on the side part of the second rotating piece, the first locking groove can be communicated with the locking cavity, the limiting bulge is inserted into the second locking groove, and the locking piece is arranged in the locking cavity in a penetrating manner; the electronic lock comprises the clutch mechanism. According to the electronic lock, the initial installation position of the limiting protrusion is changed, the unlocking direction of the electronic lock can be adjusted, the relative position of the limiting protrusion and the second limiting groove is changed by rotating the limiting protrusion, the unlocking direction of the electronic lock can be switched, the part does not need to be replaced, the electronic lock is convenient to install, the first rotating piece can be driven to rotate by the second rotating piece, the electronic lock is locked, the second rotating piece is rotated reversely, the electronic lock is unlocked, and the electronic lock is high in operation convenience.

Description

Clutch mechanism and electronic lock

Technical Field

The utility model relates to the technical field of electronic locks, in particular to a clutch mechanism and an electronic lock.

Background

The handle needs to be rotated to specific direction to the opening of lock, for convenience of customers' operation, realizes unblanking when the handle rotates towards the direction of door frame usually, and when the lock was installed, need select suitable lock according to the direction of opening the door of the body, among the correlation technique, when the direction of unblanking of lock changed, need dismantle and change specific part, the operation complexity is high, appears the installation error easily, leads to the lock to become invalid, influences the normal use of lock.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the clutch mechanism is simple in structure, can complete unlocking and reversing without replacing parts, and is high in installation convenience.

The utility model also provides an electronic lock with the clutch mechanism.

A clutch mechanism according to an embodiment of a first aspect of the utility model includes:

the outer wall of the first rotating piece is provided with a limiting bulge and a first locking groove;

the second rotating part is provided with an installation cavity, the first rotating part is arranged in the installation cavity in a penetrating mode, the first rotating part and the second rotating part can rotate relatively, the side portion of the second rotating part is provided with a locking cavity, the first locking groove faces the locking cavity and can be communicated with the locking cavity, the end portion of the second rotating part is provided with a second locking groove, the second locking groove surrounds the outer side of the first rotating part along the rotating direction of the first rotating part, and the limiting protrusion is inserted into the second locking groove and can move along the second locking groove;

the locking piece is arranged in the locking cavity in a penetrating way;

wherein, in the clutch mechanism in the locking state, the locking cavity is communicated with the first locking groove, the locking piece can be inserted into the first locking groove, and the limit bulge is positioned at the center position of the second locking groove; in the clutch mechanism in the unlocking state, the limiting bulge is abutted against the end part of the second locking groove, and the locking cavity and the first locking groove are staggered.

According to the clutch mechanism provided by the embodiment of the utility model, at least the following beneficial effects are achieved:

in the embodiment of the utility model, the clutch mechanism has a simple structure, the initial installation position of the limiting protrusion is changed, the unlocking direction of the electronic lock can be adjusted, the unlocking direction of the electronic lock can be switched by rotating the limiting protrusion and changing the relative position of the limiting protrusion and the second limiting groove, the part does not need to be replaced, the electronic lock is convenient to install, the second rotating piece can drive the first rotating piece to rotate, the limiting protrusion is enabled to move to the center from the end part of the second locking groove, the locking of the electronic lock is realized, the second rotating piece is reversely rotated through the connection effect of the locking piece, the first rotating piece is enabled to synchronously rotate, the unlocking of the electronic lock is realized, and the operation convenience is high.

According to some embodiments of the present invention, the first locking groove is located on an opposite side of the stopper projection, and the first locking groove and the stopper projection are symmetrical to each other with respect to a central plane of the first rotating member.

According to some embodiments of the present invention, in the rotation direction of the first rotating member, the second locking groove has two opposite groove walls, and an included angle formed between the two groove walls is 180 degrees.

According to some embodiments of the utility model, the side wall of the first rotating member is protrudingly provided with a limiting ring, the limiting protrusion is located on the outer side of the limiting ring, the inner wall of the second rotating member is provided with a limiting groove, the limiting groove is communicated with the second locking groove and the mounting cavity, and at least part of the limiting ring extends into the limiting groove and can move along the limiting groove.

According to some embodiments of the utility model, the driving assembly further comprises a driving member and a pushing piece, the driving member is connected with the pushing piece and is used for driving the pushing piece to move, and the pushing piece is located at the end of the locking piece and can push the locking piece to move.

According to some embodiments of the present invention, the locking device further includes an elastic assembly, the elastic assembly includes an elastic member and a fixing member, the fixing member is connected to the second rotating member, the fixing member has a through hole, the locking member is inserted into the through hole and extends out of the locking cavity, a flange is protruded outside the locking member, a limiting step is protruded inside the locking cavity, the flange is located between the fixing member and the limiting step, and two ends of the elastic member respectively abut against the flange and the limiting step.

An electronic lock according to an embodiment of the second aspect of the present invention includes:

the clutch mechanism of the embodiment of the first aspect;

the panel shell is used for being installed on the door body, and the clutch mechanism is installed inside the panel shell.

According to some embodiments of the utility model, the first rotating member further comprises a mark post, one end of the mark post extends out of the mounting cavity, and an end face of the mark post is provided with a pointer.

According to some embodiments of the present invention, the face housing has a through hole, the indication post is inserted into the through hole, a plurality of indicators are printed on a side surface of the face housing, the pointer is disposed toward the indicators, and the indicators are disposed around an outer circumference of the through hole along a rotation direction of the first rotation body.

According to some embodiments of the utility model, the locking device further comprises a locking head, the locking head is installed on the face shell, one end of the locking head is connected with an insertion sheet, the face shell is provided with an insertion hole for the insertion sheet to penetrate through, a third locking groove is arranged inside the first rotating member, when the first locking groove is communicated with the locking cavity, the insertion hole is aligned with the third locking groove, and the insertion sheet can be inserted into the third locking groove and is abutted against the groove wall of the third locking groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the following figures and examples, in which:

FIG. 1 is an exploded view of one embodiment of a clutch mechanism of the present invention;

FIG. 2 is a schematic view of the clutch mechanism of the present invention in a locked state;

FIG. 3 is a cross-sectional view of the clutch mechanism of FIG. 2;

FIG. 4 is a schematic view of the clutch mechanism in a first unlocked state;

FIG. 5 is a cross-sectional view of the clutch mechanism of FIG. 4;

FIG. 6 is a schematic view of the clutch mechanism in a second unlocked state;

FIG. 7 is a cross-sectional view of the clutch mechanism of FIG. 6;

FIG. 8 is a schematic structural diagram of one embodiment of a drive assembly;

FIG. 9 is a schematic structural diagram of an embodiment of an electronic lock;

FIG. 10 is a schematic structural view of one embodiment of a sign post;

fig. 11 is a cross-sectional view of the electronic lock of fig. 9.

Reference numerals:

the first rotating member 100, the limiting protrusion 110, the first locking groove 120, the limiting ring 130, the marking post 140, the pointer 141, the mounting hole 142, and the third locking groove 150; the second rotating member 200, the mounting cavity 210, the locking cavity 220, the second locking groove 230, the limiting groove 240, and the limiting step 250; a locking member 300, a flange 310; elastic component 400, elastic element 410, fixing element 420; the driving assembly 500, the driving member 510, the pushing piece 520; a panel shell 600, a through hole 610, an indicator 620 and a jack 630; a front lock knob 700; a lock head 800, a lock hole 810; insert sheet 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiment of the utility model provides a clutch mechanism which is used for opening and closing a lock by matching with a key, a front lock knob, an electronic control assembly and other components in the unlocking and locking processes of an electronic lock. Referring to fig. 1 to 3, the clutch mechanism includes a first rotating member 100, a second rotating member 200 and a locking member 300, the first rotating member 100 is used for connecting with a blade of the electronic lock, the first rotating member 100 is driven by the second rotating member 200 or a key to rotate, so that the blade is turned over to realize unlocking or locking, the locking member 300 can realize connection between the first rotating member 100 and the second rotating member 200, the second rotating member 200 is used for connecting with a front lock knob of the electronic lock and is driven by the front lock knob to rotate, and the first rotating member 100 drives the blade to turn over while rotating along with the second rotating member 200 to realize unlocking or locking.

Specifically, a limiting protrusion 110 and a first locking groove 120 are arranged on the side portion of the first rotating member 100, the limiting protrusion 110 is arranged to protrude on the basis of the outer wall of the first rotating member 100, the first locking groove 120 is recessed inwards relative to the outer wall of the first rotating member 100, an installation cavity 210 is arranged inside the second rotating member 200, the first rotating member 100 is arranged in the installation cavity 210 in a penetrating manner, and the first rotating member 100 and the second rotating member 200 can rotate relatively or simultaneously under the driving of a key and a front lock knob; a locking cavity 220 is formed in the side portion of the second rotating member 200, the locking member 300 is arranged in the locking cavity 220 in a penetrating manner, the first locking groove 120 is arranged towards the locking cavity 220, when the first rotating member 100 and the second rotating member 200 rotate to corresponding positions, the first locking groove 120 is communicated with the locking cavity 220, the locking member 300 can be inserted into the first locking groove 120 from the locking cavity 220, connection between the first rotating member 100 and the second rotating member 200 is realized, and the first rotating member 100 and the second rotating member 200 can rotate synchronously; the second locking groove 230 is formed at the side portion of the second rotating member 200, the second locking groove 230 surrounds the outer side of the first rotating member 100 along the rotating direction of the first rotating member 100, the limiting protrusion 110 is inserted into the second locking groove 230, and when the first rotating member 100 rotates, the limiting protrusion 110 rotates along the second locking groove 230.

It should be noted that fig. 2 and fig. 3 are schematic diagrams of the clutch mechanism in a locked state, at this time, the first locking groove 120 is communicated with the locking cavity 220, the limiting protrusion 110 is located at the center of the second locking groove 230, the second rotating member 200 is connected with the front locking knob, if the front locking knob is rotated to unlock, because the limiting protrusion 110 is not abutted against the groove wall of the second locking groove 230, the second rotating member 200 idles, and the unlocking cannot be achieved, the locking member 300 needs to be inserted into the first locking groove 120 from the locking cavity 220, the front locking knob is rotated, the first rotating member 100 is driven to rotate by the rotation of the second rotating member 200, so that the dial plate is turned over, and the unlocking is achieved.

Fig. 4 and 5 are schematic diagrams of the clutch mechanism in a first unlocking state, at this time, the limiting protrusion 110 abuts against the rightmost end of the second locking groove 230, the locking cavity 220 and the first locking groove 120 are staggered, the locking piece 300 retracts into the locking cavity 220, after the clutch mechanism is installed on the door body in this state, by rotating the front locking knob, the front locking knob drives the second rotating piece 200 to rotate clockwise, because the limiting protrusion 110 abuts against the groove wall of the second locking groove 230, the first rotating piece 100 rotates clockwise along with the second rotating piece 200 synchronously, when the limiting protrusion 110 rotates to the center position of the second locking groove 230, locking is achieved, and the locking state is the same as the locking state of the clutch mechanism shown in fig. 3 and 4. If the lock needs to be unlocked, the locking member 300 is inserted into the first locking groove 120, and the front lock knob is rotated, so that the second rotating member 200 drives the first rotating member 100 to rotate in the counterclockwise direction, thereby unlocking the lock.

Fig. 6 and 7 are schematic diagrams of the clutch mechanism in a second unlocking state, at this time, the limiting protrusion 110 abuts against the leftmost end of the second locking groove 230, the locking cavity 220 and the first locking groove 120 are staggered, the locking member 300 retracts into the locking cavity 220, the clutch structure is installed on the door body in this state, by rotating the front locking knob, the front locking knob drives the second rotating member 200 to rotate in the counterclockwise direction, because the limiting protrusion 110 abuts against the groove wall of the second locking groove 230, the first rotating member 100 rotates along the counterclockwise direction synchronously with the second rotating member 200, when the limiting protrusion 110 rotates to the center position of the second locking groove 230, locking is achieved, and the locking state is the same as the locking state of the clutch mechanism shown in fig. 3 and 4. If the lock needs to be unlocked, the locking member 300 is inserted into the first locking groove 120, and the front lock knob is rotated, so that the second rotating member 200 drives the first rotating member 100 to rotate clockwise, thereby unlocking the lock.

Because clutch is located when locking state, spacing arch 110 is located the center department that second locked groove 230, therefore, no matter clutch installs with first state of unblanking or second state of unblanking, spacing arch 110 all can be realized unblanking through rotating certain angle to corresponding direction, if there is the demand that switches lock unblanking direction, use and switch into second state of unblanking from first state of unblanking as an example, with the spacing arch 110 that initial state is located second locked groove 230 rightmost side rotate to the leftmost side of second locked groove 230, can realize by the anticlockwise unblanking switch into clockwise unblanking.

In the embodiment of the utility model, the clutch mechanism has a simple structure, the initial installation position of the limiting protrusion 110 is changed, the unlocking direction of the electronic lock can be adjusted, the unlocking direction of the electronic lock can be switched by rotating the limiting protrusion 110 and changing the relative position of the limiting protrusion 110 and the second limiting groove 240, the parts do not need to be replaced, the electronic lock is convenient to install, the second rotating piece 200 can drive the first rotating piece 100 to rotate, the limiting protrusion 110 moves to the center from the end part of the second locking groove 230, the electronic lock is locked, the second rotating piece 200 is rotated reversely by the connection effect of the locking piece 300, the first rotating piece 100 rotates synchronously, the electronic lock is unlocked, and the operation is convenient and fast.

As shown in fig. 1, the limiting protrusion 110 and the first locking groove 120 are located at opposite sides of the first rotating member 100, the limiting protrusion 110 is located at the bottom of the first rotating member 100, the first locking groove 120 is located at the top of the first rotating member 100, and the two are symmetrical to each other with respect to the plane where the axis of the first rotating member 100 is located, when the limiting protrusion 110 is located at the center of the second locking groove 230, the first locking groove 120 is located at the center of the top of the first rotating member 100, so that the first locking groove 120 is matched with the locking member 300; further, the first locking groove 120 and the limiting protrusion 110 may be staggered from each other in the axial direction of the first rotating member 100, so that the positions of the second locking groove 230 and the locking member 300 are distributed, and mutual movement interference is avoided.

The rotation angle of the first rotating member 100 can be set according to actual requirements, in an embodiment of the present invention, the rotation angles of unlocking and locking of the first rotating member 100 are both set to be 90 degrees, so as to fit the habit of unlocking and locking of a user, and facilitate the position distribution and processing and positioning of the first locking groove 120 and the limiting protrusion 110; the unlocking or locking angle of the first rotating member 100 corresponds to the rotation range of the position-limiting protrusion 110 between the center and the end of the second locking groove 230, and therefore, the rotation range of the position-limiting protrusion 110 should be twice the unlocking or unlocking rotation angle of the first rotating member 100, as shown in fig. 2, the second locking groove 230 has two opposite groove walls in the rotation direction of the first rotating member 100, and the included angle formed between the two groove walls is 180 degrees.

Referring to fig. 1, in an embodiment, the side wall of the first rotating member 100 is protrudingly provided with a limiting ring 130, the limiting protrusion 110 is protrudingly provided at an outer side of the limiting ring 130, the inner wall of the second rotating member 200 is provided with a limiting groove 240, the limiting groove 240 is communicated with the second locking groove 230 and the mounting cavity 210, at least a portion of the limiting ring 130 extends into the limiting groove 240, when the first rotating member 100 rotates relative to the second rotating member 200, the limiting ring 130 rotates along the groove wall of the limiting groove 240, and the limiting groove 240 guides the rotation of the limiting ring 130, so that the rotation of the first rotating member 100 is more stable.

The clutch mechanism further comprises an elastic component 400, the elastic component 400 comprises an elastic component 410 and a fixed component 420, the fixed component 420 is connected with the second rotating component 200, the fixed component 420 is arranged at the end of the locking cavity 220, a through hole is formed in the fixed component 420 and is communicated with the locking cavity 220, the locking component 300 is arranged in the through hole in a penetrating mode and extends out of the through hole, a flange 310 is arranged on the outer side of the locking component 300 in a protruding mode, a limiting step 250 is arranged in the locking cavity 220 in a protruding mode, the flange 310 is located between the fixed component 420 and the limiting step 250, and two ends of the elastic component 410 are respectively abutted against the flange 310 and the limiting step 250. As shown in fig. 5, in the unlocked state, the locking element 300 is retracted into the locking cavity 220 by the elastic force of the elastic element 410, and the upper end of the flange 310 abuts against the fixing element 420, so as to prevent the locking element 300 from being disengaged from the locking cavity 220; when the upper end of the locking member 300 is pushed by external force, as shown in fig. 3, the elastic member 410 is compressed and contracted, the lower end of the locking member 300 extends into the first locking groove 120, and when the front lock rotates, the second rotating member 200 can drive the first rotating member 100 to rotate synchronously.

As shown in fig. 8, the clutch mechanism further includes a driving assembly 500, the driving assembly 500 includes a driving member 510 and a pushing plate 520, the driving member 510 is connected to the pushing plate 520 and is used for driving the pushing plate 520 to move, the other side of the pushing plate 520 faces the locking member 300, and when the pushing plate 520 moves towards the locking member 300, the pushing plate can abut against the top end of the locking member 300 and push the locking member 300 to be inserted into the first locking groove 120. The driving member 510 may be electrically connected to a control panel of the electronic lock, and receives a command from the control panel to start or stop, the control panel receives information of a fingerprint, a password, or a magnetic stripe input by a user, and if the input information is correct, the driving member 510 sends a command to the driving member 510, so that the driving member 510 drives the push piece 520 to move; the pushing piece 520 may have an arc shape to guide and limit the locking member 300 when the second rotating member 200 rotates, so that the locking member 300 is always inserted into the first locking groove 120.

As shown in fig. 9, the present invention further provides an electronic lock, which includes the above clutch mechanism, and further includes a panel casing 600, the panel casing 600 may be installed on the front side of the door body, and the clutch mechanism is connected with the panel casing 600 to form a front lock. The front locking knob 700 is installed at the front side of the front case 600, the clutch mechanism may be installed inside the front case 600, and one end of the front locking knob 700 extends into the inside of the front case 600 to be connected with the second rotating member 200.

Referring to fig. 2, the first rotating member 100 further includes a mark post 140, one end of the mark post 140 extends out of the mounting cavity 210, and an end surface of the mark post 140 is provided with a pointer 141. The pointer 141 can indicate the position of the current limiting protrusion 110, and the position of the pointer 141 changes synchronously when the first rotating member 100 rotates, so that the user can observe the pointer conveniently. Further, as shown in fig. 10 and 11, a through hole 610 is provided at a side of the panel 600 back to the front lock knob 700, the panel 600 is provided with a plurality of indicators 620 at a side of the through hole 610, the indicators 620 are annularly provided at an outer periphery of the through hole 610 along a rotation direction of the first rotation body, the indication post 140 is inserted into the through hole 610, and the pointer 141 on the indication post 140 is provided toward the indicator 620; through the indicator 620 pointed by the pointer 141, the unlocking direction and the locking state of the current electronic lock can be obtained, for example, the electronic lock is in a left unlocking state, a right unlocking state, a locking state, and the like.

It should be noted that the position of the pointer 141 in fig. 10 corresponds to fig. 2, and the electronic lock is in the locked state, when the pointer 141 points to the indicator 620 at the upper end, the electronic lock is unlocked clockwise corresponding to fig. 4, and when the pointer 141 points to the indicator 620 at the lower end, the electronic lock is unlocked counterclockwise corresponding to fig. 6. By judging the indicator 620 towards which the pointer 141 is directed, whether the unlocking direction of the current electronic lock is switched can be known, and the installation convenience can be further improved.

It is conceivable that the indication post 140 should extend out of the through hole 610 for the user to hold and rotate to change the unlocking direction of the electronic lock, and the center of the indication post 140 is provided with a mounting hole 142, and the mounting hole 142 is used for inserting the dial to fix the dial on the first rotating member 100. The limiting ring 130 is clamped between the inner wall of the face shell 600 and the groove wall of the limiting groove 240, so that the first rotating member 100 is prevented from moving back and forth, and the installation stability is improved.

In addition, the electronic lock can be unlocked by a key, the electronic lock further comprises a lock head 800, the lock head 800 is mounted on the front side of the face shell 600, a lock hole 810 is formed in the lock head 800, the lock hole 810 is exposed from the front side of the face shell 600, the key can be inserted into the lock hole 810, the key can be screwed, and the lock head 800 can rotate relative to the face shell 600; referring to fig. 11, one end of the lock 800 far from the lock hole 810 is connected with an insertion sheet 900, the inside of the face shell 600 is provided with an insertion hole 630 for the insertion sheet 900 to be inserted, referring to fig. 3, the inside of the first rotating member 100 is provided with a third locking groove 150, when the first locking groove 120 is communicated with the locking cavity 220, the insertion hole 630 is aligned with the third locking groove 150, the insertion sheet 900 can be inserted into the third locking groove 150 through the insertion hole 630, and is supported against the groove wall of the third locking groove 150, the first rotating member 100 can rotate along with the screwing of the key, and the unlocking is realized.

It should be noted that the insert 900 can be connected with the lock head 800 through other transmission structures, such as a rack and pinion structure, a threaded screw structure, etc., so that the rotation of the lock head 800 can be converted into the movement of the insert 900, and in the process of twisting the key, the insert 900 can move toward the third locking groove 150. Referring to fig. 2 and 3, when the first locking groove 120 is communicated with the locking cavity 220, the electronic lock is in a locking state, the insert 900 can be inserted into the third locking groove 150, the locking element 300 can be inserted into the first locking groove 120, the front lock knob 700 and the key can be rotated to unlock, the unlocking directions of the front lock knob 700 and the key are the same, and the electronic lock is more convenient to use.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (10)

1. Clutch mechanism, its characterized in that includes:

the outer wall of the first rotating piece is provided with a limiting bulge and a first locking groove;

the second rotating part is provided with an installation cavity, the first rotating part is arranged in the installation cavity in a penetrating mode, the first rotating part and the second rotating part can rotate relatively, the side portion of the second rotating part is provided with a locking cavity, the first locking groove faces the locking cavity and can be communicated with the locking cavity, the end portion of the second rotating part is provided with a second locking groove, the second locking groove surrounds the outer side of the first rotating part along the rotating direction of the first rotating part, and the limiting protrusion is inserted into the second locking groove and can move along the second locking groove;

the locking piece is arranged in the locking cavity in a penetrating way;

wherein, in the clutch mechanism in the locking state, the locking cavity is communicated with the first locking groove, the locking piece can be inserted into the first locking groove, and the limit bulge is positioned at the center position of the second locking groove; in the clutch mechanism in the unlocking state, the limiting bulge is abutted against the end part of the second locking groove, and the locking cavity and the first locking groove are staggered.

2. The clutch mechanism according to claim 1, wherein the first locking groove is located on an opposite side of the stopper projection, and the first locking groove and the stopper projection are symmetrical to each other with respect to a center plane of the first rotating member.

3. The clutch mechanism as claimed in claim 1 or 2, wherein the second locking groove has two opposite groove walls in the rotation direction of the first rotating member, and the included angle between the two groove walls is 180 degrees.

4. The clutch mechanism as claimed in claim 1, wherein a limiting ring is protrudingly disposed on a side wall of the first rotating member, the limiting protrusion is disposed on an outer side of the limiting ring, a limiting groove is disposed on an inner wall of the second rotating member, the limiting groove is communicated with the second locking groove and the mounting cavity, and at least a portion of the limiting ring extends into the limiting groove and can move along the limiting groove.

5. The clutch mechanism as claimed in claim 1, further comprising a driving assembly, wherein the driving assembly comprises a driving member and a pushing plate, the driving member is connected with the pushing plate and is used for driving the pushing plate to move, and the pushing plate is located at an end of the locking member and can push the locking member to move.

6. The clutch mechanism according to claim 1 or 5, further comprising an elastic component, wherein the elastic component comprises an elastic member and a fixing member, the fixing member is connected with the second rotating member, the fixing member has a through hole, the locking member is disposed in the through hole and extends out of the locking cavity, a flange is disposed on an outer side of the locking member in a protruding manner, a limiting step is disposed on an inner wall of the locking cavity in a protruding manner, the flange is disposed between the fixing member and the limiting step, and two ends of the elastic member respectively abut against the flange and the limiting step.

7. Electronic lock, its characterized in that includes:

a clutch mechanism as claimed in any one of claims 1 to 6;

the panel shell is used for being installed on the door body, and the clutch mechanism is installed inside the panel shell.

8. The electronic lock of claim 7, wherein the first rotating member further comprises a flag post, one end of the flag post extends out of the mounting cavity, and an end face of the flag post is provided with a pointer.

9. The electronic lock of claim 8, wherein the face shell has a through hole, the indication post is inserted into the through hole, a plurality of indicators are printed on a side surface of the face shell, the pointer is disposed toward the indicators, and the indicators are disposed around an outer circumference of the through hole along a rotation direction of the first rotation body.

10. The electronic lock of claim 7, further comprising a locking head, wherein the locking head is installed on the face shell, one end of the locking head is connected with an insertion sheet, the face shell is provided with a jack for the insertion sheet to penetrate through, a third locking groove is arranged inside the first rotating member, when the first locking groove is communicated with the locking cavity, the jack is aligned with the third locking groove, and the insertion sheet can be inserted into the third locking groove and abuts against the groove wall of the third locking groove.

Images