CN112854911A - Idle running clutch mechanism of electronic lock and electronic lock with same - Google Patents
Idle running clutch mechanism of electronic lock and electronic lock with same Download PDFInfo
- Publication number
- CN112854911A CN112854911A CN202110110925.1A CN202110110925A CN112854911A CN 112854911 A CN112854911 A CN 112854911A CN 202110110925 A CN202110110925 A CN 202110110925A CN 112854911 A CN112854911 A CN 112854911A
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- clutch
- linkage
- piece
- hole
- sleeve
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- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000033001 locomotion Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0013—Followers; Bearings therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
- E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
- E05B47/0665—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially
- E05B47/0673—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially with a rectilinearly moveable blocking element
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0026—Clutches, couplings or braking arrangements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The application relates to the field of lock body structures, in particular to an idling clutch mechanism of an electronic lock, which comprises a fixed seat, a linkage sleeve, a knob piece, a transmission piece, a first clutch piece and a motor; the linkage sleeve penetrates through the first mounting groove and is rotatably connected with the fixed seat; the first clutch part and the motor are arranged in the knob part, the linkage sleeve is sleeved outside the knob part, and the linkage sleeve is rotationally connected with the knob part; the motor is used for driving the first clutch piece to move to a linkage position of the linkage sleeve and the knob piece or driving the first clutch piece to move to a separation position which is separated from the linkage sleeve and the knob piece to synchronously rotate; the transmission part is arranged at the tail end of the linkage sleeve and synchronously rotates with the linkage sleeve. This application can realize knob spare and driving medium separation, realizes the effect of knob spare idle running, plays the effect that the difficult wrench damage of protection driving medium when the state that the lock body was closed.
Description
Technical Field
The application relates to the field of lock body structures, in particular to an idle running clutch mechanism of an electronic lock and the electronic lock with the idle running clutch mechanism.
Background
The lock body is a necessary safety protection device for each household, is often installed on a door or a cabinet door, and can be unlocked only by a user who has a corresponding key, biological identification information or a password, so that the door or the cabinet door can be opened.
In the related art, the knob member is often linked with the transmission member. When the lock body is in an unlocking state, the knob piece can drive the transmission piece to rotate to realize unlocking, and when the lock body is in a closing state, the transmission piece is fixed and cannot rotate; therefore, when the knob member is rotated by an external force, one end of the transmission member is also twisted.
In view of the above-mentioned related technologies, when the external force is large, one end of the transmission member is fixed, and the other end of the transmission member is twisted, so that the transmission member is easily deformed or even damaged.
Disclosure of Invention
In order to protect the transmission part from being deformed and damaged, the application provides an idle running clutch mechanism of an electronic lock and the electronic lock with the idle running clutch mechanism.
In a first aspect, the application provides an idling clutch mechanism of an electronic lock, which adopts the following technical scheme:
an idle running clutch mechanism of an electronic lock comprises a fixed seat, a linkage sleeve, a knob piece, a transmission piece, a first clutch piece and a motor;
the linkage sleeve penetrates through the first mounting groove and is rotatably connected with the fixed seat;
the first clutch part and the motor are arranged in the knob part, the linkage sleeve is sleeved outside the knob part, and the linkage sleeve is rotationally connected with the knob part;
the motor is used for driving the first clutch piece to move to a linkage position of the linkage sleeve and the knob piece or driving the first clutch piece to move to a separation position which is separated from the linkage sleeve and the knob piece to synchronously rotate; the transmission part is arranged at the tail end of the linkage sleeve and synchronously rotates with the linkage sleeve.
By adopting the technical scheme, the linkage sleeve and the fixed seat can rotate mutually, the first clutch piece can be linked with the linkage sleeve and the knob piece by rotating the driving motor, so that when the knob piece rotates, the transmission piece also synchronously rotates along with the linkage sleeve, and the unlocking function is realized; the first clutch piece can be controlled to be located in the linkage sleeve through the driving motor, so that the linkage sleeve and the knob piece are separated from each other, when the knob piece is rotated, the driving piece is not required to be twisted, and the driving piece is not prone to deformation or damage.
Optionally, the knob member includes a knob portion and a clutch portion coaxially fixed with the knob portion; the linkage sleeve is sleeved outside the clutch part, and the clutch part is rotationally connected with the linkage sleeve;
the clutch part is provided with a first clutch hole, the linkage sleeve is provided with a first linkage hole, and the first clutch hole and the first linkage hole are used for enabling the first clutch piece to move to the linkage position.
By adopting the technical scheme, the knob part is convenient for a user to turn the knob piece by hands; when the first clutch piece is located in the first clutch hole and the first linkage hole, the clutch part and the linkage sleeve are linked with each other, and when the knob part is twisted, the clutch part fixed with the knob part drives the linkage sleeve to rotate, so that the linkage sleeve drives the transmission part to rotate, and the unlocking function is realized.
Optionally, the first clutch member is a lock bolt, a sliding groove is arranged in the clutch part, the sliding groove is communicated with the first clutch hole, and the lock bolt is in sliding fit with the sliding groove.
Through adopting above-mentioned technical scheme, the simple structure of set bar to can realize through the gliding position of control that clutch part and linkage sleeve are linked together or are separated from each other, consequently realized the two kinds of state changes of separation position and linkage position.
Optionally, a return spring is arranged in the sliding chute, one end of the return spring is abutted against one end, away from the first engaging hole, of the lock bolt, and the other end of the return spring is abutted against the side wall of the sliding chute.
Through adopting above-mentioned technical scheme, reset spring can produce the power of pushing to first clutch hole to the set bar, and the motor can control the set bar and receive in the clutch portion, therefore reset spring's setting can be convenient for the removal of set bar.
Optionally, a linkage groove is formed in one side, facing the motor, of the lock bolt, and an eccentric shaft is arranged at the output end of the motor; the eccentric shaft is positioned in the linkage groove.
By adopting the technical scheme, the output end of the motor is provided with the eccentric shaft, so that the position of the eccentric shaft is changed along with the rotation of the output end of the motor, and the movement position of the lock bolt can be controlled by matching with the reset spring.
Optionally, the fixed seat is further provided with a slide way and a second mounting groove; the second mounting groove is rotatably connected with a mechanical lock cylinder, the slide way is communicated with the first mounting groove and the second mounting groove, the slide way is internally provided with a clutch thimble and a second clutch piece in a sliding manner, and the second clutch piece is far away from the second mounting groove compared with the clutch thimble;
the linkage sleeve is provided with a second linkage hole, the clutch part is provided with a second clutch hole, and the axis of the second linkage hole, the axis of the second clutch hole and the axis of the slide way are all located on the same plane;
the mechanical lock core is provided with the eccentric block near the one end of slide, when second linkage hole, second clutch hole and slide intercommunication, rotate the eccentric block can drive the separation and reunion thimble and remove in order to promote second clutch to second linkage hole and second clutch hole, realize the linkage of linkage sleeve and knob spare.
By adopting the technical scheme, when the motor is inconvenient to control the first clutch piece, the mechanical lock cylinder can be used for realizing the linkage between the clutch part and the linkage sleeve, so that the unlocking function is realized, and convenience is provided for a user; the key drives the mechanical lock cylinder to rotate, so that the eccentric block rotates to one side close to the slide way, the clutch thimble is driven to push the second clutch piece into the second linkage hole and the second clutch hole, and linkage between the clutch part and the linkage sleeve is realized.
Optionally, the second clutch member is a steel ball, and the clutch thimble is provided with a magnetic block which generates magnetic attraction with the steel ball.
Through adopting above-mentioned technical scheme, the magnetic block can attract the steel ball for when second linkage hole, second separation and reunion hole and slide are coaxial, the steel ball is all the time with separation and reunion thimble looks butt, when the separation and reunion thimble moves to the direction of second mounting groove, the second separation and reunion piece can be driven to the slide in, realizes the separation between separation and reunion portion and the linkage sleeve.
Optionally, the second clutch hole and the second linkage hole are arranged in a plurality of intervals.
Through adopting above-mentioned technical scheme, the setting in a plurality of second separation and reunion holes and second linkage hole can make the steel ball change get into in second separation and reunion hole and the second linkage hole, can reduce knob spare and linkage telescopic rotatory stroke.
Optionally, a limiting groove is further arranged between the slide way and the second mounting groove, a limiting block is arranged at one end of the clutch thimble far away from the steel ball, and one side of the limiting block is abutted to the eccentric block; the clutch thimble is sleeved with a limiting spring in the limiting groove, one end of the limiting spring is abutted to the other side of the limiting block, and the other end of the limiting spring is abutted to the side wall of the limiting groove.
By adopting the technical scheme, the rotation of the clutch thimble can be limited by the arrangement of the limiting groove, so that the sliding process of the clutch thimble in the slideway is more stable, and the contact area between the limiting block and the eccentric block is larger, so that the limiting block can keep a state of being connected with the eccentric block in the rotating process of the eccentric block, and the movement of the clutch thimble is more controllable; the reset spring has the effect of the power towards the second mounting groove to the stopper, consequently can rotate when keeping away from one side of slide at the eccentric block, and spacing spring can drive the direction removal of separation and reunion thimble towards the second mounting groove.
In a second aspect, the electronic lock provided by the present application adopts the following technical solutions:
the lock body idle running clutch structure comprises the lock body idle running clutch structure.
By adopting the technical scheme, when the lock bolt is positioned in the clutch part and the steel ball is positioned in the slideway, the knob part and the linkage sleeve are positioned at the separation position, and the linkage sleeve and the clutch part rotate independently, so that the function of idle rotation of the knob part can be realized; when the lock bolt is positioned in the first clutch hole and the first linkage hole, or the steel ball is positioned in the second clutch hole and the second linkage hole, the linkage sleeve and the clutch part are mutually linked, so that when the knob piece is rotated, the clutch part can drive the linkage sleeve to rotate, the transmission part is driven to rotate, and the unlocking purpose is realized.
Drawings
Fig. 1 is an exploded view of a structure of a lost motion clutch mechanism of an electronic lock according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a lost motion clutch mechanism of an electronic lock facing a knob member according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a free-wheeling clutch mechanism of an electronic lock facing a transmission member according to an embodiment of the present application.
Fig. 4 is a front view of a lost motion clutch mechanism of an electronic lock according to an embodiment of the present application.
Fig. 5 is a cross-sectional view of the present application taken along the line a-a in fig. 4 (with the latch bolt moved to a disengaged position out of the synchronous rotation of the sleeve and knob member).
Fig. 6 is a cross-sectional view of the present application taken along the line a-a in fig. 4 (with the lock bolt moved to a linkage position where the linkage sleeve and the knob member are rotated synchronously).
Fig. 7 is a cross-sectional view of the present application taken along the line B-B in fig. 4 (with the latch bolt moved to a disengaged position out of the synchronous rotation of the sleeve and knob member).
Fig. 8 is a cross-sectional view of the present application taken along the line B-B in fig. 4 (with the lock bolt moved to the interlocked position where the interlocking sleeve and the knob member are rotated synchronously).
Description of reference numerals:
1. a fixed seat;
101. a slideway; 102. a first mounting groove; 103. a second mounting groove; 1031. a limiting groove;
2. a linkage sleeve;
201. a first linkage hole; 202. a second linkage hole; 21. installing a sleeve; 211. a limiting boss; 212. an annular neck; 213. an interface; 214. inserting holes; 22. a transmission member; 221. a clip sheet; 2211. mounting holes; 222. a lock pin; 23. a clamp spring; 231. a tab; 2311. a fixing hole;
3. a knob member;
31. a knob portion; 32. a clutch section; 321. a chute; 322. a first engaging hole; 323. a second engaging hole; 33. a connecting pipe; 331. a threaded hole; 34. a screw;
4. a first clutch assembly;
41. a lock bolt; 411. a linkage groove; 412. a limiting hole; 413. a limiting surface; 414. a return spring; 42. a motor; 421. an eccentric shaft; 43. a built-in battery;
5. a second clutch assembly;
51. steel balls; 52. a clutch thimble; 521. a limiting block; 5211. a butt joint plate; 5212. pushing the plate; 522. a magnetic block; 53. a limiting spring;
6. a mechanical lock cylinder; 61. an eccentric block; 62. a key hole; 63. a lock cylinder sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses an idle running clutch mechanism of an electronic lock.
Referring to fig. 1 and 2, the idle rotation clutch mechanism of the electronic lock comprises a fixed seat 1, a knob member 3 mounted on the fixed seat 1, a linkage sleeve 2, a first clutch assembly 4, a second clutch assembly 5, a mechanical lock cylinder 6 and a transmission member 22.
Referring to fig. 1 and 3, wherein the fixing base 1 has a first mounting groove 102, the first mounting groove 102 is cylindrical, the bottom of the first mounting groove 102 has a clamping circular groove, the diameter of the clamping circular groove is smaller than that of the first mounting groove 102, and the clamping circular groove runs through the fixing base 1.
Referring to fig. 4 and 5, the interlocking sleeve 2 is a hollow cylinder, a first interlocking hole 201 is formed in the circumferential direction of the interlocking sleeve 2, and one, two or more first interlocking holes 201 may be formed. When the number of the first interlocking holes 201 is more than one, the axes between the first interlocking holes 201 are all on one plane. The circumferential direction of the linkage sleeve 2 is also provided with a second linkage hole 202. There may be one, two or more of the second linkage holes 202. When the number of the second linkage holes 202 is more than one, the axes between the second linkage holes 202 are all on one plane. The rotation locus of the first linkage hole 201 and the rotation locus of the second linkage hole 202 are not overlapped with each other.
Referring to fig. 4 and 5, an installation sleeve 21 is integrally arranged at one end of the linkage sleeve 2, the installation sleeve 21 is in a hollow cylindrical shape, the diameter of the installation sleeve 21 is smaller than that of the linkage sleeve 2, an annular clamping groove 212 is formed in the outer circumferential side of one end, away from the linkage sleeve 2, of the installation sleeve 21, and the annular clamping groove 212 is formed along the outer circumferential side of the installation sleeve.
Referring to fig. 1 and 5, the linking sleeve 2 is disposed in the first mounting groove 102, and the linking sleeve 2 is in clearance fit with the first mounting groove 102, so that the linking sleeve and the fixing base 1 can rotate relatively. The mounting sleeve 21 penetrates through the clamping circular groove, and the annular clamping groove 212 is located outside the clamping circular groove. The mounting sleeve 21 is provided with a clamp spring 23 in the annular clamping groove 212 in a sleeved manner, the clamp spring 23 is in a circular ring shape and is provided with a notch, the clamp spring 23 is respectively provided with a protruding piece 231 in a protruding manner at two ends of the notch, and fixing holes 2311 are formed in the protruding pieces 231. The clamp spring 23 can be made of elastic materials such as spring steel and can be clamped into the annular clamping groove 212 through elastic deformation, so that the axial movement of the installation sleeve 21 is limited, and the linkage sleeve 2 is prevented from being separated from the first installation groove 102.
Referring to fig. 4 and 5, the annular clamping groove 212 is spaced from the end of the mounting sleeve 21, and insertion holes 214 are formed in two opposite sides of the end of the annular clamping groove 212 and the end of the mounting sleeve 21, and the axes of the two insertion holes 214 are overlapped. The mounting sleeve 21 further has a socket 213 formed in a direction perpendicular to the axis of the two insertion holes 214, and the socket 213 extends from the end of the mounting sleeve 21 to the axis of the mounting sleeve 21.
Referring to fig. 1 and 5, the driving member 22 is strip-shaped, and one end of the driving member 22 is integrally connected to a clamping sheet 221, and a mounting hole 2211 is formed in the clamping sheet 221. The clamping piece 221 of the transmission member 22 is in inserting fit with the two insertion ports 213, the mounting hole 2211 is coaxial with the insertion hole 214, and the lock pin 222 penetrates between the mounting hole 2211 and the insertion hole 214 to fix the transmission member 22 and the linkage sleeve 2. Therefore, when the linking sleeve 2 drives the mounting sleeve 21 to rotate, the transmission member 22 also rotates synchronously with the linking sleeve.
Referring to fig. 5, the knob member 3 includes a knob portion 31 and a clutch portion 32, and both the knob portion 31 and the clutch portion 32 are formed in a cylindrical shape with a hollow interior. One end of the knob portion 31 is provided with an accommodating opening, and the accommodating opening is communicated with the inside of the knob portion 31. The clutch portion 32 is coaxially disposed at the other end of the knob portion 31, and a first clutch hole 322 is opened in the circumferential direction of the clutch portion 32. A second engaging hole 323 is also formed in the circumferential direction of the engaging and disengaging portion 32. There may be one, two or more second coupling holes 323. When the number of the second coupling holes 323 is more than one, the axes between the second coupling holes 323 are all on one plane.
Referring to fig. 5, the clutch portion 32 is disposed in the interlocking sleeve 2, and the clutch portion 32 is in clearance fit with the interlocking sleeve 2, so that the clutch portion 32 and the interlocking sleeve 2 can rotate relatively. At this time, the axis of the first clutch hole 322 and the axis of the first linkage hole 201 are on the same plane, and the axis of the second clutch hole 323 and the axis of the second linkage hole 202 are on the same plane, so that in the relative rotation process of the clutch portion 32 and the linkage sleeve 2, the first clutch hole 322 and the first linkage hole 201 can rotate to the coaxial position, and the second clutch hole 323 and the second linkage hole 202 can rotate to the coaxial position.
Referring to fig. 5, a connection pipe 33 is coaxially provided at one end of the clutch portion 32 away from the knob portion 31, and the connection pipe 33 is integrally formed with the clutch portion 32. The connection pipe 33 has a screw hole 331 opened at an end thereof remote from the clutch portion 32.
Referring to fig. 5, a fitting circular hole is formed at one end of the mounting sleeve 21 close to the linkage sleeve 2, and the fitting circular hole connects the inside of the linkage sleeve 2 and the inside of the mounting sleeve 21. The diameter of the matching round hole is smaller than the inner diameter of the mounting sleeve, so that the limiting boss 211 is formed by the end of the matching round hole inside the mounting sleeve and the inner wall of the mounting sleeve.
Referring to fig. 5, when the clutch portion 32 is disposed in the interlocking sleeve 2, the connection pipe 33 is also disposed in the fitting circular hole. The screw 34 is screwed into the screw hole 331, and the head of the screw 34 is located at the end of the connection pipe 33 away from the knob portion 31 and abuts against the limit boss 211. With this arrangement, the axial movement between the connection pipe 33 and the fitting circular hole is restricted, thereby preventing the clutch portion 32 from being disengaged from the interlocking sleeve 2.
Referring to fig. 1 and 5, the knob part 31 is provided with straight knurls on the periphery thereof, so that when a user rotates the knob member 3, the hand of the user contacts with the straight knurls, thereby increasing the friction force between the hand and the knob member 3 and achieving the anti-slip effect. In another embodiment, the straight knurling can also be a twill knurling, a cross-hatched knurling or other solid texture with anti-slip effect.
Referring to fig. 1 and 5, the first clutch assembly 4 includes a first clutch member and a motor 42, and the first clutch member and the motor 42 are both mounted in the clutch portion 32. Specifically, a mounting cavity is formed in the clutch part 32, the motor 42 is arranged in the mounting cavity, and the motor 42 can be fixed with the clutch part 32 through a screw 34; a sliding groove 321 is further formed in the clutch portion 32 at one end of the mounting cavity and the end close to the connecting pipe 33, one end of the sliding groove 321 is communicated with the first clutch hole 322, and the other end is a blind end.
Referring to fig. 5 and 6, an output end of the motor 42 is convexly provided with an eccentric shaft 421, the eccentric shaft 421 is disposed to be deviated from a rotation axis of the output end of the motor 42, and the eccentric shaft 421 of the motor 42 is disposed toward the sliding groove 321. The motor 42 is supplied with power by using an internal battery 43, and the internal battery 43 may be a lithium ion battery or a dry battery. In the present embodiment, the built-in battery 43 is installed in the knob portion 31 and fixed to an end of the motor 42 away from the output end, and the fixing manner may be screw 34 fixing or adhesive fixing.
Referring to fig. 5, 6, the first clutch may be a latch 41 or other driver, in this example, the latch 41. Specifically, the latch 41 is in a cylindrical shape, one end of the latch 41 is provided with a limiting hole 412, one side of the latch 41 is flattened to form a limiting surface 413, and the limiting surface 413 is provided with a linkage groove 411. The lock bolt 41 is placed in the sliding slot 321, the eccentric shaft 421 is placed in the linkage slot 411, and the limiting surface 413 is parallel to the end surface of the output end of the motor 42. A return spring 414 is further arranged in the sliding groove 321, one end of the return spring 414 is abutted against the blind end of the sliding groove 321, and the other end of the return spring 414 is abutted against the groove bottom of the limiting hole 412.
Referring to fig. 5 and 6, when the eccentric shaft 421 at the output end of the motor 42 rotates to a position close to the blind end of the sliding slot 321, the distance between the end of the latch 41 provided with the limiting hole 412 and the blind end is the smallest, and at this time, the extension length of the return spring 414 is smaller than the natural length, and the return spring 414 is in a compressed state; the end of the latch 41 away from the end of the stopper hole 412 is located in the first engaging hole 322 and is flush with the outer periphery of the engaging and disengaging part 32 or recessed in the outer periphery of the engaging and disengaging part 32. The latch 41 is now in the disengaged position and the coupling sleeve 2 and the knob member 3 can be rotated relative to each other.
Referring to fig. 5 and 6, when the eccentric shaft 421 at the output end of the motor 42 rotates to a position far away from the blind end of the sliding slot 321, the distance between the end of the latch 41 provided with the limiting hole 412 and the blind end is the largest, and the stretching length of the return spring 414 is greater than that of the return spring 414 at the separation position; one end of the latch 41, which is far away from the limiting hole 412, passes through the first linkage hole 201, and reaches the first separating hole, and the end of the latch 41, which is far away from the limiting hole 412, is flush with the outer peripheral side of the linkage sleeve 2 or is recessed in the outer peripheral side of the linkage sleeve 2. The lock plunger 41 is in the linkage position, and the linkage sleeve 2 and the knob member 3 can synchronously rotate.
Referring to fig. 3 and 7, the fixing base 1 further has a sliding channel 101 and a second mounting groove 103, the second mounting groove 103 is cylindrical and is communicated with two opposite sides of the fixing base 1, an axis of the second mounting groove 103 is parallel to an axis of the first mounting groove 102, and the second mounting groove 103 and the first mounting groove 102 are spaced apart from each other. The slide 101 is in the shape of a strip, and in this embodiment, the slide 101 is in the shape of a cylinder. The slide way 101 is communicated with the first mounting groove 102 and the second mounting groove 103, the axis of the slide way 101 is intersected with the axes of the first mounting groove 102 and the second mounting groove 103, and the axis of the slide way 101 and the second linkage hole 202 are on the same plane. The fixing seat 1 is provided with a limiting groove 1031 at one end of the slide way 101 close to the second mounting groove 103, and the limiting groove 1031 is in a cuboid shape.
Referring to fig. 1 and 7, the mechanical key cylinder 6 has a cylindrical shape as a whole, and one end of the mechanical key cylinder 6 is provided with a key hole 62 and the other end is provided with an eccentric block 61 in a protruding manner. The mechanical lock cylinder 6 is sleeved with a lock cylinder sleeve 63 at the periphery thereof, and the lock cylinder sleeve 63 is rotatably connected with the mechanical lock cylinder 6, specifically, in one embodiment, a positioning ring is convexly arranged at the periphery of the lock cylinder sleeve 63, correspondingly, an annular groove is formed in the inner side wall of the lock cylinder sleeve 63, and the positioning ring is matched with the annular groove, so that in the process of rotating the mechanical lock cylinder 6 relative to the lock cylinder sleeve 63, axial relative movement is not easily generated between the mechanical lock cylinder 6 and the lock cylinder sleeve 63, and therefore the mechanical lock cylinder 6 and the lock cylinder sleeve 63 are not easily separated from each other. The mechanical lock cylinder 6 can rotate the eccentric block 61 by inserting a key into the key hole 62 and rotating the key, which is a prior art and therefore will not be described in detail in this embodiment. The eccentric block 61 may be a three-dimensional structure deviating from the center of a circle, the shape of the eccentric block 61 may be square, circular, oval or other shapes, in this embodiment, the eccentric block 61 is in a half disc shape, the diameter of the eccentric block 61 passes through the axis of the mechanical lock cylinder 6, and the diameter of the eccentric block 61 is smaller than or equal to the diameter of the end face of the mechanical lock cylinder 6.
Referring to fig. 7 and 8, the cylinder sleeve 63 is fixed in the second mounting groove 103, and may be fixed by bolting, snapping, or adhering, so that when a user inserts a key into the key hole 62 to drive the eccentric block 61 to rotate, the mechanical cylinder 6 rotates relative to the fixing base 1 under the restriction of the cylinder sleeve 63.
Referring to fig. 7 and 8, the second clutch assembly 5 includes a second clutch member, a clutch pin 52 and a limit spring 53, wherein the clutch pin 52 is in a cylindrical shape, a cross section of the clutch pin 52 may be square or circular, and the clutch pin 52 in this embodiment is in a cylindrical shape. A limiting block 521 is fixed at one end of the clutch thimble 52, the limiting block 521 comprises an integrally formed abutting plate 5211 and a pushing plate 5212, one side surface of the abutting plate 5211 is fixed at the end of the clutch thimble 52 by welding, bonding, bolting or integrally forming, and the side edge of the pushing plate 5212 is fixed at one side surface of the abutting plate 5211 departing from the clutch thimble 52. The limiting spring 53 is sleeved on the outer side of the clutch thimble 52, the clutch thimble 52 is inserted into the slideway 101, and the clutch thimble 52 is in sliding fit with the slideway 101; the limiting block 521 is disposed in the limiting groove 1031, one end of the limiting spring 53 is abutted against one side surface of the push plate 5212 connected to the clutch thimble 52, and the other end of the limiting spring 53 is abutted against one side wall of the limiting groove 1031 close to the slide 101. The limiting spring 53 is always in a compressed state, so that one side of the push plate 5212 away from the abutting plate 5211 is always abutted against the eccentric block 61.
Referring to fig. 7 and 8, further, a placement groove is formed in an end portion of one end of the clutch thimble 52 away from the limiting block 521, a magnetic block 522 is fixed in the placement groove, and the magnetic block 522 and the placement groove can be fixed through glue adhesion or interference fit.
Referring to fig. 7 and 8, the second clutch may be a cylindrical latch or other component capable of being placed in the second engaging hole 323 and the second linking hole 202, and in this embodiment, the second clutch is a steel ball 51, and the diameter of the steel ball 51 is smaller than that of the slide 101 and the second linking hole 202. The magnetic block 522 magnetically attracts the steel ball 51, so that the steel ball 51 can be brought into contact with the end of the clutch needle 52 by the attraction of the magnetic block 522.
Referring to fig. 7 and 8, when the eccentric block 61 rotates to the side of the second mounting groove 103 away from the slideway 101, the limit spring 53 pushes the contact plate 5211 to the position where the push plate 5212 contacts with the side surface of the eccentric block 61 where the diameter is located; at the moment, the steel ball 51 is positioned in the slideway 101, and the linkage sleeve 2 and the knob piece 3 can rotate relatively.
Referring to fig. 7 and 8, when the eccentric block 61 rotates to one side of the second mounting groove 103 close to the slideway 101, the limit spring 53 pushes the abutting plate 5211 to a position where the pushing plate 5212 abuts against the side surface of the eccentric block 61 where the arc edge is located; at this time, the steel balls 51 are pushed from the slide rail 101 to the second linkage hole 202 until reaching between the second linkage hole 202 and the second clutch hole 323, the linkage sleeve 2 and the clutch part 32 are connected together, and when the knob part 31 of the knob member 3 is twisted by a user, the clutch part 32 connected with the knob part 31 is rotated, thereby realizing linkage between the linkage sleeve 2 and the knob member 3.
Referring to fig. 1 and 8, further, the second engaging holes 323 and the second linking holes 202 are arranged in a plurality of intervals, so that the steel balls 51 can be easily clamped with the second engaging holes 323 and the second linking holes 202, and the linking between the linking sleeve 2 and the knob member 3 can be easily realized.
The implementation principle of the idle running clutch mechanism of the electronic lock in the embodiment of the application is as follows: according to the application, when the steel balls 51 are positioned on the slide way 101, the sliding of the lock bolt 41 in the clutch part 32 can be controlled by controlling the rotation of the motor 42, and when the motor 42 rotates to the clutch position, the lock bolt 41 is completely positioned in the clutch part 32, so that the linkage sleeve 2 cannot synchronously rotate when the knob piece 3 rotates, the transmission piece 22 cannot rotate, and the idle rotation function of the knob piece 3 is realized; when the motor 42 rotates to the linkage position, the motor 42 drives the lock bolt 41 to slide out of the clutch part 32 from the sliding groove 321, and the lock bolt 41 is inserted into the first linkage hole 201, so that the linkage sleeve 2 and the knob member 3 are connected together, and when the knob part 31 rotates, the clutch part 32 integrally connected with the knob part 31 also rotates along with the rotation, thereby driving the clutch part 22 to rotate, and being beneficial to realizing the unlocking function; when the lock plunger 41 is positioned in the clutch part 32, a key is inserted into the key hole 62 to drive the mechanical lock cylinder 6 to twist, so that the eccentric block 61 can rotate along with the rotation of the mechanical lock cylinder 6 to push the pushing block to move towards the position of the linkage sleeve 2, and the clutch thimble 52 fixed with the pushing block pushes the steel ball 51 to be clamped with the clutch part 32 towards the linkage sleeve 2, thereby realizing the linkage between the linkage sleeve 2 and the clutch part 32, when the knob member 3 is rotated, the clutch part 32 drives the linkage sleeve 2 to rotate, so that the transmission member 22 rotates, and the unlocking function is realized; when the second engaging and disengaging hole 323, the second linking hole 202 and the slide way 101 are coaxial, the steel ball 51 can be attracted by the magnetic block 522, and when the eccentric block 61 rotates to the side away from the slide way 101, the steel ball 51 is driven into the slide way 101 by the engaging and disengaging thimble 52, so that the linking sleeve 2 is separated from the engaging and disengaging portion 32.
The embodiment of the application also discloses an electronic lock body with the lock body idle running clutch mechanism.
An electronic lock comprises a lock body idle running clutch structure.
The implementation principle of the electronic lock body with the lock body idle running clutch mechanism in the embodiment of the application is as follows: under the condition of power supply, the lock bolt 41 can be inserted into the first clutch hole 322 and the first linkage hole 201 by controlling the rotation of the motor 42, so that the linkage of the knob piece 3 and the linkage sleeve 2 is realized, and when the knob piece 3 is rotated, the transmission piece 22 also synchronously rotates along with the linkage sleeve 2, so that the unlocking function is realized; when the lock plunger 41 is positioned in the clutch part 32 and the steel ball 51 is positioned in the slide 101, since the clutch part 32 and the linkage sleeve 2 can rotate independently, when the knob piece 3 can be rotated, the transmission piece 22 cannot be driven by the linkage sleeve 2 to rotate, and under the condition that one end of the transmission piece 22, which is far away from the linkage sleeve 2, is fixed, the transmission piece 22 is not easy to twist to cause deformation and damage; when the motor 42 has a power failure fault, the lock can be unlocked by a key, specifically, the key is inserted into the key hole 62, and the key is rotated, so that the mechanical lock cylinder 6 is driven to rotate, the eccentric block 61 is driven to push the limiting block 521 to move, the clutch ejector pin 52 fixed with the limiting block 521 is driven to push the steel ball 51 to move towards the clutch part 32, when the steel ball 51 is clamped in the second coupling hole 202 and the second coupling hole 323, the knob member 3 is linked with the coupling sleeve 2, the transmission member 22 is driven to rotate, and therefore the unlocking function is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An idle running clutch mechanism of an electronic lock is characterized in that: comprises a fixed seat (1), a linkage sleeve (2), a knob piece (3), a transmission piece (22), a first clutch piece and a motor (42);
the fixed seat (1) is provided with a first mounting groove (102), and the linkage sleeve (2) penetrates through the first mounting groove (102) and is rotatably connected with the fixed seat (1);
the knob piece (3) comprises a knob part (31) and a clutch part (32), the first clutch piece and the motor (42) are arranged in the knob piece (3), the linkage sleeve (2) is sleeved outside the clutch part (32) of the knob piece (3), and the linkage sleeve (2) is rotatably connected with the knob piece (3);
the motor (42) is used for driving the first clutch piece to move to a linkage position of the linkage sleeve (2) and the knob piece (3) or driving the first clutch piece to move to a separation position which is separated from the linkage sleeve (2) and the knob piece (3) and synchronously rotates;
the transmission piece (22) is arranged at the tail end of the linkage sleeve (2) and rotates synchronously with the linkage sleeve (2).
2. The lost motion clutch mechanism of an electronic lock according to claim 1, wherein: clutch portion (32) are provided with first separation and reunion hole (322), linkage sleeve (2) are provided with first linkage hole (201), first separation and reunion hole (322) and first linkage hole (201) are used for supplying first separation and reunion piece to remove to the linkage position.
3. The lost motion clutch mechanism of an electronic lock according to claim 2, wherein: the first clutch piece is a lock bolt (41), a sliding groove (321) is arranged in the clutch part (32), the sliding groove (321) is communicated with the first clutch hole (322), and the lock bolt (41) is in sliding fit with the sliding groove (321).
4. The lost motion clutch mechanism of an electronic lock according to claim 3, wherein: a return spring (414) is arranged in the sliding groove (321), and two ends of the return spring (414) are respectively abutted against one end of the lock bolt (41) far away from the first clutch hole (322) and the side wall of the sliding groove (321).
5. The lost motion clutch mechanism of an electronic lock according to claim 3, wherein: one side of the lock bolt (41) facing the motor (42) is provided with a linkage groove (411), and the output end of the motor (42) is provided with an eccentric shaft (421); the eccentric shaft (421) is positioned in the linkage groove (411).
6. The lost motion clutch mechanism of an electronic lock according to claim 1, wherein: the fixed seat (1) is also provided with a slide way (101) and a second mounting groove (103); a mechanical lock cylinder (6) is rotationally connected in the second mounting groove (103), the slide way (101) is communicated with the first mounting groove (102) and the second mounting groove (103), a clutch ejector pin (52) and a second clutch piece are arranged in the slide way (101) in a sliding mode, and the second clutch piece is far away from the second mounting groove compared with the clutch ejector pin (52);
the linkage sleeve (2) is provided with a second linkage hole (202), the clutch part (32) is provided with a second clutch hole (323), and the axis of the second linkage hole (202), the axis of the second clutch hole (323) and the axis of the slide way (101) are all located on the same plane;
one end of the mechanical lock cylinder (6) close to the slide way (101) is provided with an eccentric block (61), when the second linkage hole (202), the second clutch hole (323) and the slide way (101) are communicated, the eccentric block (61) is rotated to drive the clutch thimble (52) to move so as to push the second clutch piece to the second linkage hole (202) and the second clutch hole (323), and linkage of the linkage sleeve (2) and the knob piece (3) is realized.
7. The lost motion clutch mechanism of an electronic lock according to claim 6, wherein: the second clutch piece is a steel ball (51), and the clutch thimble (52) is provided with a magnetic block (522) which generates magnetic attraction with the steel ball (51).
8. The lost motion clutch mechanism of an electronic lock according to claim 6, wherein: the second clutch holes (323) and the second linkage holes (202) are arranged in a plurality at intervals.
9. The lost motion clutch mechanism of an electronic lock according to claim 6, wherein: a limiting groove (1031) is further arranged between the slide way (101) and the second mounting groove (103), a limiting block (521) is arranged at one end, away from the steel ball (51), of the clutch thimble (52), and one side of the limiting block (521) is abutted to the eccentric block (61); spacing spring (53) is sleeved in spacing groove (1031) on separation and reunion thimble (52), the both ends of spacing spring (53) respectively with the opposite side of stopper (521), the lateral wall butt of spacing groove (1031).
10. An electronic lock, characterized in that the electronic lock comprises the lock body idle running clutch structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110925.1A CN112854911A (en) | 2021-01-27 | 2021-01-27 | Idle running clutch mechanism of electronic lock and electronic lock with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110925.1A CN112854911A (en) | 2021-01-27 | 2021-01-27 | Idle running clutch mechanism of electronic lock and electronic lock with same |
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| Publication Number | Publication Date |
|---|---|
| CN112854911A true CN112854911A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110110925.1A Pending CN112854911A (en) | 2021-01-27 | 2021-01-27 | Idle running clutch mechanism of electronic lock and electronic lock with same |
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| Country | Link |
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| CN (1) | CN112854911A (en) |
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| CN113250546A (en) * | 2021-06-11 | 2021-08-13 | 宁波望通锁业有限公司 | Lock capable of preventing violent opening |
| CN115288524A (en) * | 2021-12-01 | 2022-11-04 | 宁波瑞奥物联技术股份有限公司 | Lockset and control method thereof |
| WO2024168977A1 (en) * | 2023-02-17 | 2024-08-22 | 中山市元智科技有限公司 | Knobset |
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