Intelligent lock clutch structure

Abstract

The utility model discloses an intelligent lock clutch structure which comprises a shell, a cover plate, a handle connecting mechanism, a free sleeve, a clutch mechanism and a clamping spring, the handle connecting mechanism is rotatably installed on the shell, the cover plate is installed on the shell, the free sleeve comprises a mandrel and a rotatable piece, the cover plate is provided with a positioning hole, and the clamping spring is arranged in the positioning hole. One end of the core shaft is connected with the rotatable part, the handle connecting mechanism can be connected with the rotatable part through the clutch mechanism, the other end of the core shaft penetrates through the positioning hole, a groove is formed in the part, penetrating out of the positioning hole, of the core shaft, and the clamping spring is arranged on the groove in a sleeving mode and abuts against the cover plate. In the utility model, the free sleeve can be basically separated from the handle connecting mechanism, so that even if the handle connecting mechanism has certain deformation, the handle connecting mechanism is still difficult to excessively contact with the free sleeve to generate larger friction, thereby effectively avoiding unexpected linkage between the free sleeve and the handle connecting mechanism and improving the working reliability of the utility model.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of intelligent lock design, especially to an intelligent lock clutch structure. BACKGROUND

[0002] The intelligent lock has been widely applied to the door, window or cabinet and other products, now many intelligent locks will be provided with handle, lock core, clutch and driving device, the driving device can drive the clutch to act through the intelligent control such as fingerprint, password or face recognition, so that the handle and lock core can be connected or separated, when the lock core and handle are connected through the clutch, the user can rotate the handle to trigger the lock core to realize the opening of the intelligent lock, otherwise, even if the user rotates the handle, the lock core still cannot be triggered, and the intelligent lock cannot be effectively opened.

[0003] The above-mentioned intelligent lock clutch usually includes a connecting shaft for connecting with the handle and a free sleeve for connecting with the lock core, and the free sleeve is usually rotatably sleeved on the connecting shaft, but it is found in actual use that the connecting shaft is easy to deform greatly after long-time use under stress, and the free sleeve is in excessive contact with the connecting shaft to generate great friction, so that the free sleeve and the connecting shaft are still in linkage state even if the driving device does not work, the free sleeve always rotates with the connecting shaft, that is, the clutch is invalid, and the intelligent lock cannot be normally used. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an intelligent lock clutch structure which can solve one or more of the above problems.

[0005] According to one aspect of the utility model, an intelligent lock clutch structure is provided, which comprises a shell, a cover plate, a handle connecting mechanism, a free sleeve, a clutch mechanism and a snap spring,

[0006] The handle connecting mechanism is rotatably installed on the shell, and the cover plate is installed on the shell,

[0007] The free sleeve comprises a mandrel and a rotatable part, the cover plate is provided with a positioning hole, one end of the mandrel is connected with the rotatable part, and the clutch mechanism can connect the handle connecting mechanism and the rotatable part,

[0008] The other end of the mandrel penetrates through the positioning hole, the part of the mandrel penetrating out of the positioning hole is provided with a groove, the snap spring is sleeved on the groove and abuts against the cover plate.

[0009] The utility model discloses a beneficial effect is: the utility model discloses, the free sleeve is rotatably installed on the apron through the snap spring, then the free sleeve does not directly fit on the handle connecting mechanism, can effectively reduce the contact of free sleeve and handle connecting mechanism, thereby when the clutch mechanism does not separate handle connecting mechanism and rotatable piece, then the free sleeve can basically separate with handle connecting mechanism, thereby even if handle connecting mechanism exists certain deformation, its still difficult to have excessive contact with free sleeve and produce greater friction, to effectively avoid the unexpected linkage of free sleeve and handle connecting mechanism, improve the working reliability of the utility model.

[0010] In some embodiments, the clutch mechanism includes an electric push rod, a push block and a clutch pin, the electric push rod and the push block are connected, the push block is provided with an arc-shaped groove, and one end of the clutch pin is slidably arranged in the arc-shaped groove. The electric push rod can drive the push block to move linearly, and the clutch pin can move along with the movement of the push block, and by arranging the arc-shaped groove, the clutch pin can also rotate along the arc-shaped groove when needed.

[0011] In some embodiments, the rotatable piece is provided with a guide groove, and the clutch pin is slidably arranged in the guide groove. The guide groove can limit the clutch pin and guide the linear movement of the clutch pin.

[0012] In some embodiments, the handle connecting mechanism includes a connecting shaft and a sleeve, the sleeve is fixedly fitted on the connecting shaft, the sleeve is provided with a recess, and the recess and the guide groove are oppositely arranged. By oppositely arranging the recess and the guide groove, the clutch pin can be directly moved into the recess to connect the handle connecting mechanism and the free sleeve.

[0013] In some embodiments, the utility model further includes a torsional spring, the torsional spring is arranged on the shell, the torsional spring is provided with a protruding end, the sleeve is provided with a first protrusion, and the first protrusion can abut against the protruding end through the rotation of the sleeve. By arranging the torsional spring, the handle connecting mechanism can be reset by the torsional spring when the handle connecting mechanism is rotated and the user no longer applies force to it.

[0014] In some embodiments, the rotatable piece is provided with a protruding arm, the sleeve is provided with a second protrusion, and the second protrusion can abut against the protruding arm through the rotation of the sleeve. By arranging the protruding arm and the second protrusion, the rotatable piece can be rotated without the clutch mechanism when the handle connecting mechanism is rotated in a specific direction, so as to realize the operation of reverse locking and the like.

[0015] In some embodiments, the shell and the apron enclose a containing cavity, and the rotatable piece and the clutch mechanism are located in the containing cavity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The structure diagram of the intelligent lock clutch structure of an embodiment of the present utility model.

[0017] Figure 2 The structure diagram when the cover plate and the shell of the intelligent lock clutch structure of an embodiment of the present utility model are separated.

[0018] Figure 3 The explosion view of the structure diagram of the intelligent lock clutch structure of an embodiment of the present utility model.

[0019] Figure 4 The structure diagram of the free sleeve of the intelligent lock clutch structure of an embodiment of the present utility model.

[0020] Figure 5 The structure diagram of the sleeve set of the intelligent lock clutch structure of an embodiment of the present utility model.

[0021] In the figure: 1. shell, 2. cover plate, 3. handle connecting mechanism, 4. free sleeve, 5. clutch mechanism, 6. snap spring, 7. torsion spring, 21. positioning hole, 31. connecting shaft, 32. sleeve set, 321. concave position, 322. first protrusion, 323. second protrusion, 41. mandrel, 42. rotatable piece, 411. recess, 421. guide groove, 422. protruding arm, 51. electric push rod, 52. push block, 53. clutch pin, 521. arc-shaped groove, 71. protruding end. DETAILED DESCRIPTION

[0022] The present utility model will be further explained in detail in combination with the drawings.

[0023] REFERENCE Figures 1-5 The intelligent lock clutch structure of the present utility model comprises a shell 1, a cover plate 2, a handle connecting mechanism 3, a free sleeve 4, a clutch mechanism 5 and a snap spring 6.

[0024] The cover plate 2 is fixedly installed on the shell 1 by screws, and the installed cover plate 2 and shell 1 enclose a containing cavity.

[0025] The handle connecting mechanism 3 comprises a connecting shaft 31 and a sleeve set 32. The sleeve set 32 is fixedly sleeved on the connecting shaft 31. The shell 1 is provided with a through hole, and the connecting shaft 31 is fixedly embedded in the through hole. After being arranged, one end of the connecting shaft 31 and the sleeve set 32 are both located in the containing cavity, and the other end of the connecting shaft 31 extends out of the shell 1, which can be used for connecting a handle.

[0026] The free sleeve 4 comprises a mandrel 41 and a rotatable member 42, the cover plate 2 is provided with a positioning hole 21, one end of the mandrel 41 is fixedly connected with the rotatable member 42 in an integral manner, the end of the mandrel 41 and the rotatable member 42 are located in the accommodating cavity, the other end of the mandrel 41 penetrates through the positioning hole 21, the part of the mandrel 41 penetrating out of the positioning hole 21 is provided with a recess 411, the snap spring 6 is fixedly sleeved on the recess 411, and the snap spring 6 abuts against the cover plate 2, so that the mandrel 41 is rotatably arranged on the cover plate 2, and the rotatable member 42 can rotate together with the mandrel 41.

[0027] The clutch mechanism 5 is located in the accommodating cavity, and the clutch mechanism 5 comprises an electric push rod 51, a push block 52 and a clutch pin 53. The electric push rod 51 is fixedly installed on the shell 1 by a screw, and the output end of the electric push rod 51 is fixedly connected with the push block 52 by a screw, so that the electric push rod 51 can drive the push block 52 to move linearly. The push block 52 is provided with an arc-shaped groove 521, and one end of the clutch pin 53 is in a bent shape and is slidably arranged in the arc-shaped groove 521.

[0028] The bottom of the rotatable member 42 is provided with a guide groove 421, and the clutch pin 53 is slidably arranged in the guide groove 421, so that the clutch pin 53 can move linearly along the guide groove 421.

[0029] The bottom of the sleeve 32 is further provided with a recess 321, and the recess 321 and the guide groove 421 are arranged in an opposite manner, so that the other end of the clutch pin 53 can extend out of the guide groove 421 and extend into the recess 321 when needed, and at this time, the clutch mechanism 5 can connect the sleeve 32 of the handle connecting mechanism 3 and the rotatable member 42.

[0030] The utility model further includes a torsional spring 7, the torsional spring 7 is arranged on the shell 1 and is located in the accommodating cavity, and the main body of the torsional spring 7 is arranged around the connecting shaft 31, and one side of the sleeve 32 abuts against the main body of the torsional spring 7, so that the torsional spring 7 can be limited on the shell 1 and the sleeve 32, and another snap spring is installed on the other side of the sleeve 32, to maintain the relative position of the sleeve 32 and the main body of the torsional spring 7.

[0031] The torsional spring 7 is provided with a protruding end 71, and the side of the sleeve 32 is provided with a first protrusion 322, and the positions of the first protrusion 322 and the protruding end 71 are configured to be abutted by the rotation of the sleeve 32.

[0032] The rotatable member 42 is further provided with a protruding arm 422, and the sleeve 32 is further provided with a second protrusion 323, and the positions of the protruding arm 422 and the second protrusion 323 are configured to be abutted by the rotation of the sleeve 32.

[0033] The intelligent lock clutch structure can be used in the intelligent lock, and the electric push rod 51 can be electrically connected with a fingerprint, face or password recognition system when in use, so that the electric push rod 1 can be driven to work after the user performs corresponding recognition.

[0034] In the embodiment, the intelligent lock can be reversed when the handle is turned upwards and the free sleeve 4 is turned together, and the intelligent lock can be unlocked when the handle is turned downwards and the free sleeve 4 is turned together.

[0035] In a normal state, the push block 52 connected to the electric push rod 51 is in a low position, and the clutch pin 53 does not extend into the recess 321, so that the sleeve 32 and the rotatable part 42 are not connected, the free sleeve 4 and the handle connecting mechanism 3 are not connected through the clutch mechanism 5, and the movements of the two are independent of each other.

[0036] When the user turns the handle downwards, the connecting shaft 31 connected with the handle rotates correspondingly, the sleeve 32 connected to the connecting shaft 31 also rotates, and the free sleeve 4 does not rotate, so that the intelligent lock maintains a locked state.

[0037] When the user turns the handle upwards, the connecting shaft 31 connected with the handle rotates correspondingly, the sleeve 32 connected to the connecting shaft 31 also rotates, and the second protrusion 323 and the protruding arm 422 can abut against each other after the handle rotates by a certain amplitude, so that the sleeve 32 drives the free sleeve 4 to rotate together to realize the reverse locking of the intelligent lock.

[0038] The user can perform corresponding recognition to make the electric push rod 51 work, and the electric push rod 51 can drive the push block 52 to move upwards, and one end of the push block 52 is embedded into the recess 321, so that the free sleeve 4 and the handle connecting mechanism 1 are connected through the clutch mechanism 5, and the free sleeve 4 and the handle connecting mechanism 1 can rotate together, so that when the user turns the handle downwards, the handle connecting mechanism 1 can rotate with the handle 5, and the free sleeve 4 can also rotate together to realize the unlocking of the intelligent lock.

[0039] In the utility model, the free sleeve 4 can be separated from the handle connecting mechanism 1, so that even if the handle connecting mechanism 1 has a certain deformation, it is still difficult to excessively contact the free sleeve 4 to generate large friction, so as to effectively avoid unexpected linkage of the free sleeve 4 and the handle connecting mechanism 1, and improve the working reliability of the utility model.

[0040] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. An intelligent lock clutch structure, characterized in that: It includes a housing, a cover, a handle connecting mechanism, a free sleeve, a clutch mechanism and a retaining spring. The handle connection mechanism is rotatably mounted on the housing, and the cover plate is mounted on the housing. The free sleeve includes a core shaft and a rotatable part. The cover plate is provided with a positioning hole. One end of the core shaft is connected to the rotatable part. The clutch mechanism can connect the handle connection mechanism and the rotatable part. The other end of the core shaft passes through the positioning hole, and the portion of the core shaft passing through the positioning hole is provided with a groove. The clamping spring is sleeved on the groove and abuts against the cover plate.

2. The intelligent lock clutch structure according to claim 1, characterized in that: The clutch mechanism includes an electric push rod, a push block and a clutch pin. The electric push rod is connected to the push block. The push block is provided with an arc groove. One end of the clutch pin is slidably arranged in the arc groove.

3. The intelligent lock clutch structure according to claim 2, characterized in that: The rotatable component is provided with a guide groove, and the clutch pin is slidably arranged in the guide groove.

4. The intelligent lock clutch structure according to claim 3, characterized in that: The handle connection mechanism includes a connecting shaft and a sleeve. The sleeve is fixedly sleeved on the connecting shaft. The sleeve is provided with a recessed position. The recessed position and the guide groove are arranged relative to each other.

5. The intelligent lock clutch structure according to claim 4, characterized in that: The utility model comprises a torsion spring, which is arranged on the shell and has a protruding end. The utility model has a first protrusion, and the first protrusion can be brought into contact with the protruding end by rotating the utility model.

6. The intelligent lock clutch structure according to claim 4, characterized in that: The rotatable component is provided with a protruding arm, and the sleeve is provided with a second protrusion. The second protrusion and the protruding arm can be abutted against each other through the rotation of the sleeve.

7. The intelligent lock clutch structure according to claim 1, characterized in that: The shell and the cover plate surround an accommodating cavity, and the rotatable component and the clutch mechanism are both located in the accommodating cavity.

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