CN110259270B - Clutch device for lock - Google Patents
Clutch device for lock Download PDFInfo
- Publication number
- CN110259270B CN110259270B CN201910668342.3A CN201910668342A CN110259270B CN 110259270 B CN110259270 B CN 110259270B CN 201910668342 A CN201910668342 A CN 201910668342A CN 110259270 B CN110259270 B CN 110259270B
- Authority
- CN
- China
- Prior art keywords
- clutch
- pin
- rotor
- guide channel
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/005—Disconnecting the handle
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to a clutch device for a lock, which comprises a clutch seat and a rotor, wherein the clutch seat is provided with a clutch pin, a clutch pin spring, a shockproof pin, a first reset spring and a blocking piece, and when the shockproof pin and the clutch pin synchronously move against the actions of the corresponding first reset spring and the clutch pin spring, the shockproof pin acts on the blocking piece to prevent the blocking piece from continuously moving and being inserted into the rotor. The invention has the advantages that when the external force beats the lock body or other modes to make the clutch device vibrate, the clutch pin and the shockproof pin synchronously move respectively against the actions of the clutch pin spring and the first return spring, and the shockproof pin acts on the blocking piece to prevent the continuous movement of the clutch pin and the insertion of the damper pin into the rotor, thereby avoiding the possibility of technical unlocking.
Description
Technical Field
The invention relates to a clutch device for a lock.
Background
Along with the development of locks, in order to facilitate people to enter and exit the door, the door lock is provided with a handle linked with a lock body, and in order to prevent burglary, people need to arrange a clutch device for the lock between the lock body and the handle. The clutch device structure adopted by the existing partial lock body is shown in the attached drawings 1 and 2, the clutch device comprises a clutch seat 1 and a rotor 3, the clutch seat 1 is fixedly connected with an outdoor handle and is provided with a clutch pin 21, the rotor 3 is rotatably arranged on the clutch seat 1, the clutch pin 3 can be inserted into or withdrawn from the rotor 3, and when the clutch pin 21 is inserted into the rotor 3, the rotor 3 synchronously rotates along with the clutch seat 1, and the handle can be acted to open or close the door; when the clutch pin 21 is withdrawn from the rotor 3, the rotor 3 and the clutch seat 1 can rotate relatively, and the handle can only idle when the handle is acted at the moment, so that the anti-theft purpose is realized.
In the existing structure, the clutch pin is inserted into the reversing rotor through the pushing of the pushing mechanism, and exits from the reversing rotor under the action of the clutch pin spring, so that the clutch device vibrates through beating the lock body in normal use, the clutch pin can be inserted into the reversing rotor under the action of the clutch pin spring in the vibration process, the only condition that the reversing rotor can be inserted only through the pushing of the pushing mechanism cannot be ensured, the technical unlocking possibility exists, the anti-theft function of the existing structure is defective, and the existing clutch device for the lock has the need of improvement.
Disclosure of Invention
The invention aims to provide a clutch device for a lock, which has a simple structure, and can prevent a clutch device from vibrating by beating a lock body, and a clutch pin is inserted into a reversing rotor to be unlocked technically under the action of a clutch pin spring in the vibrating process.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the clutch device for the lock comprises a clutch seat and a rotor, wherein the clutch seat is provided with a clutch pin and a clutch pin spring, the clutch pin can be inserted into or withdrawn from the rotor, the clutch pin is inserted into the rotor to enable the rotor to synchronously rotate along with the clutch seat, and the clutch pin withdraws from the rotor under the action of the clutch pin spring to enable the rotor to relatively rotate with the clutch seat; the clutch seat is provided with a slide way, a first guide channel and a second guide channel which are arranged side by side and have a distance, the first guide channel is arranged along the radial direction of the pivot hole, the first end of the slide way is communicated with the first guide channel, the second end of the slide way is communicated with the second guide channel, and the slide way is obliquely arranged so that the first end of the slide way is closer to the center of the pivot hole than the second end of the slide way; the clutch pin spring is sleeved on the clutch pin, the clutch pin spring can move in the first guide channel along the axial direction of the first guide channel, the shockproof pin is sleeved on the first reset spring, the shockproof pin can move in the second guide channel along the axial direction of the second guide channel, and the blocking piece can be movably arranged in the slideway along the axial direction of the slideway; the shock-proof pin is also provided with an action part, and when the shock-proof pin moves along the axial direction of the second guide channel towards the direction close to the pivot hole, the action part acts on the blocking piece to enable the blocking piece to slide along the slide way to enter the first guide channel so as to prevent the clutch pin from moving towards the direction close to the pivot hole.
The invention has the advantages that when the external force beats the lock body or other modes to make the clutch device vibrate, the clutch pin and the shockproof pin synchronously move respectively against the actions of the clutch pin spring and the first return spring, and the shockproof pin acts on the blocking piece to prevent the continuous movement of the clutch pin and the insertion of the damper pin into the rotor, thereby avoiding the possibility of technical unlocking. When the clutch device is vibrated by external force beating the lock body or other modes, the clutch pin and the shockproof pin synchronously move towards the direction close to the pivot hole respectively against the actions of the clutch pin spring and the first reset spring, the action part acts on the blocking piece to enable the blocking piece to slide along the slide way to enter the first guide channel so as to prevent the clutch pin from continuously moving towards the direction close to the pivot hole and being inserted into the rotor, and therefore the situation that the clutch device is unlocked technically is avoided.
The invention can be improved by the following scheme:
the blocking piece is a sphere, the action part is formed on the outer peripheral wall of one end of the shockproof pin, which is far away from the pivot hole, is also provided with a pressing part, one end of the first return spring is pressed against one end of the second guide channel, which is close to the pivot hole, and the other end of the first return spring is pressed against the pressing part; a propping part is formed on the peripheral wall of one end of the clutch pin, which is far away from the pivot hole, one end of the clutch pin spring is propped against one end of the first guide channel, which is close to the pivot hole, and the other end of the clutch pin spring is propped against the propping part; when the blocking piece enters the first guide channel to prevent the clutch pin from moving towards the direction close to the pivot hole, the blocking piece abuts against the abutting portion.
When the clutch pin is withdrawn from the rotor and the clutch pin does not overcome the spring action of the clutch pin to form a moving state of being inserted into the rotor, the abutting portion is far away from the center of the pivot hole than the action portion in the longitudinal direction.
The lateral distance of the blocking piece from the second end of the slideway to the first end of the slideway is smaller than the longitudinal distance between the propping part and the acting part.
The clutch seat is provided with two groups of components, the two groups of components are respectively arranged on two opposite sides of a rotation central shaft of the clutch seat, and when the clutch seat is installed and used, the central shafts of the clutch pins of the two groups of components are coaxial and are in a longitudinal direction.
The clutch device for the lock further comprises a base and a pushing mechanism, wherein the clutch base and the rotor are rotatably arranged on the base, and the clutch pin is pushed by the pushing mechanism to be inserted into the rotor.
The pushing mechanism comprises a motor which is fixedly arranged on the base, the motor is connected with a pushing plate through a speed reducing mechanism, the pushing plate is an arc plate with a central shaft coaxial with the rotation central shaft of the clutch seat, and the pushing plate moves longitudinally up and down under the action of the motor.
The clutch seat is rotatably installed on the base through a bearing, a second reset spring is arranged between the clutch seat and the base, one side surface of the clutch seat is axially extended along the rotating shaft of the clutch seat and extends out of a handle head outside the base, and a handle is installed on the handle head.
The clutch seat is formed by combining a clutch base and a clutch cover.
Drawings
Fig. 1 is a schematic view showing the overall three-dimensional state structure of a clutch device for lock.
FIG. 2 is a schematic cross-sectional view of a prior art lock-use clutch device;
fig. 3 is a schematic cross-sectional view of the clutch device for lock in the embodiment (the clutch pin is retracted from the rotor by the clutch pin spring and the rotor and the clutch base can rotate relatively).
FIG. 4 is a schematic cross-sectional view of the clutch device for lock according to the embodiment (when the clutch device is vibrated by beating the lock body with an external force or otherwise), the clutch pin and the shockproof pin simultaneously move towards the direction approaching the pivot hole against the actions of the clutch pin spring and the first return spring, respectively, and the blocking member enters the first guide channel to prevent the clutch pin from moving towards the direction approaching the pivot hole).
Fig. 5 is an enlarged state structure diagram of I in fig. 3.
FIG. 6 is an enlarged view of the structure of FIG. 4 II
Fig. 7 is a schematic view showing an exploded state of the clutch device for lock in the embodiment.
Detailed Description
As shown in fig. 1, 3 to 7, a clutch device for a lock comprises a clutch base 1, a rotor 3, more specifically, a base 5 and a pushing mechanism 6.
The clutch seat 1 is formed by combining a clutch base 11 and a clutch cover 12, and the clutch seat 1 and the rotor 3 are rotatably arranged on the base 5. The clutch seat 1 is rotatably mounted on the base 5 through a bearing 81, a second return spring 82 is arranged between the clutch seat 1 and the base 5, one side surface of the clutch seat 1 is axially extended along the rotation axis of the clutch seat and extends out of a handle head 13 outside the base 5, and the handle head 13 is connected and mounted with a handle. The rotor 3 is provided with an insertion hole along a radial direction thereof into which the clutch pin 21 described below is inserted or withdrawn.
The clutch seat 1 is provided with a clutch pin 21 and a clutch pin spring 22, the clutch pin 21 can be inserted into or withdrawn from the rotor 3, the clutch pin 21 is inserted into the rotor 3 to enable the rotor 3 to synchronously rotate along with the clutch seat 1, and the clutch pin 21 is withdrawn from the rotor 3 under the action of the clutch pin spring 22 to enable the rotor 3 and the clutch seat 1 to relatively rotate.
The clutch seat 1 is further provided with a shockproof pin 41, a first return spring 42 and a blocking member 43, wherein when the clutch pin 21 is withdrawn from the rotor 3 and the clutch pin 21 is in a movement state of being inserted into the rotor 3 against the action of the clutch pin spring 22, the shockproof pin 41 is correspondingly in the same movement state as the clutch pin 21 against the action of the first return spring 42 and the blocking member 43 is acted to prevent the insertion of the clutch pin 21 into the rotor 3 by the blocking member 43.
The clutch seat 1 is also provided with a shockproof pin 41, a first return spring 42 and a blocking piece 43, when the clutch pin 21 is withdrawn from the rotor 3 and is in a waiting state, and when the external force beats the lock body or otherwise causes the clutch device to vibrate, the shockproof pin 41 and the clutch pin 21 synchronously move against the actions of the corresponding first return spring 42 and the clutch pin spring 22, and the shockproof pin 41 acts on the blocking piece 43 to enable the blocking piece 43 to prevent the clutch pin 21 from continuously moving and being inserted into the rotor 3 (namely, the insertion of the clutch pin 21 into the rotor is avoided), thereby avoiding the possibility of being unlocked technically
Specifically, the clutch base 1 has a pivot hole 14 having a central axis coaxial with a rotation central axis of the clutch base 1, and the rotor 3 is rotatably installed in the pivot hole 14; the clutch seat 1 is provided with a slide way 15, a first guide channel 16 and a second guide channel 17 which are arranged side by side and have a distance, the first guide channel 16 is arranged along the radial direction of the pivot hole 14, a first end of the slide way 15 is communicated with the first guide channel 16, a second end of the slide way 15 is communicated with the second guide channel 17, and the slide way 15 is obliquely arranged so that the first end of the slide way 15 is closer to the center of the pivot hole 14 than the second end of the slide way; the clutch pin 21 is sleeved with the clutch pin spring 22 and then can move in the first guide channel 16 along the axial direction of the first guide channel 16, the shockproof pin 41 is sleeved with the first return spring 42 and then can move in the second guide channel 17 along the axial direction of the second guide channel 17, and the blocking piece 43 can be movably arranged in the slideway 15 along the axial direction of the slideway 15; the shock-proof pin 41 is further provided with an action part 44, and when the shock-proof pin 41 moves along the axial direction of the second guide channel 17 towards the direction approaching the pivot hole 14, the action part 44 acts on the blocking piece 43 to enable the blocking piece to slide along the slide way 15 into the first guide channel 16 so as to prevent the separation pin 21 from moving towards the direction approaching the pivot hole 14.
More specifically, the blocking member 43 is a sphere, the acting portion 44 is formed on the outer peripheral wall of the end of the shockproof pin 41 away from the pivot hole 14 in a protruding manner, the outer peripheral wall of the end of the shockproof pin 41 away from the pivot hole 14 is further provided with a pressing portion 45, one end of the first return spring 42 abuts against one end of the second guide channel 17 close to the pivot hole 14, and the other end of the first return spring 42 abuts against the pressing portion 45; a propping part 23 is formed on the peripheral wall of one end of the clutch pin 21 far away from the pivot hole 14, one end of the clutch pin spring 22 is propped against one end of the first guide channel 16 close to the pivot hole 14, and the other end of the clutch pin spring 22 is propped against the propping part 23; when the blocking member 43 enters the first guide channel 16 to prevent the clutch pin 21 from moving in a direction approaching the pivot hole 14, the blocking member 43 abuts against the abutment portion 23.
When an external force beats the lock body or other modes to make the clutch device vibrate, the clutch pin 21 and the shockproof pin 41 respectively overcome the actions of the clutch pin spring 22 and the first return spring 42 to move towards the direction approaching the pivot hole 14, the action part 44 acts on the blocking piece 43 to enable the blocking piece to slide along the slideway 15 to enter the first guide channel 16 to prevent the clutch pin 21 from moving towards the direction approaching the pivot hole 14, so that the possibility of being unlocked technically is avoided, in the longitudinal direction, the blocking piece 23 is far away from the center of the pivot hole 14 than the action part 44, the transverse distance of the blocking piece 43 entering the first end of the slideway 15 from the second end of the slideway 15 is smaller than the longitudinal distance of the blocking piece 23 and the action part 44, the clutch pin 21 and the shockproof pin 41 are guaranteed to move towards the direction approaching the pivot hole 14 simultaneously, and the blocking piece 43 can enter the first guide channel 16 to prevent the clutch pin 21 from moving towards the direction approaching the pivot hole 14 continuously, so that the clutch pin 21 is prevented from being inserted into the rotor 3 during vibration.
In order to facilitate the installation of the left door or the right door, the clutch seat 1 needs to turn according to the actual situation, so that the clutch pin 21, the clutch pin spring 22, the shockproof pin 41, the first return spring 42 and the blocking piece 43 form components, the clutch seat 1 is provided with two groups of components, the two groups of components are arranged on two opposite sides of the rotation central shaft of the clutch seat 1, and when the clutch seat is installed and used, the central shafts of the clutch pins 21 of the two groups of components are coaxial and are in the longitudinal direction. Normally, the upper set of said elements, under the influence of gravity, will be located in the first guide channel 16, always preventing the clutch pin 21 from moving further towards the pivot hole 14.
The clutch pin 21 is inserted into the rotor 3 by being pushed by the pushing mechanism 6, the pushing mechanism 6 comprises a motor 61 which is installed and fixed on the base 5, the motor 61 is connected with a push plate 62 through a speed reducing mechanism, the push plate 62 is an arc plate with a central shaft coaxial with the rotation central shaft of the clutch base 1, and the push plate 62 moves up and down longitudinally under the action of the motor 61. The arc-shaped arrangement of the push plate 62 can realize that the push plate 62 can always act on the clutch pin 21 when the clutch seat 1 rotates.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present invention are included in the scope of the present invention.
Claims (9)
1. The clutch device for the lock comprises a clutch seat and a rotor, wherein the clutch seat is provided with a clutch pin and a clutch pin spring, the clutch pin can be inserted into or withdrawn from the rotor, the clutch pin is inserted into the rotor to enable the rotor to synchronously rotate along with the clutch seat, and the clutch pin withdraws from the rotor under the action of the clutch pin spring to enable the rotor to relatively rotate with the clutch seat; the clutch seat is provided with a slide way, a first guide channel and a second guide channel which are arranged side by side and have a distance, the first guide channel is arranged along the radial direction of the pivot hole, the first end of the slide way is communicated with the first guide channel, the second end of the slide way is communicated with the second guide channel, and the slide way is obliquely arranged so that the first end of the slide way is closer to the center of the pivot hole than the second end of the slide way; the clutch pin spring is sleeved on the clutch pin, the clutch pin spring can move in the first guide channel along the axial direction of the first guide channel, the shockproof pin is sleeved on the first reset spring, the shockproof pin can move in the second guide channel along the axial direction of the second guide channel, and the blocking piece can be movably arranged in the slideway along the axial direction of the slideway; the shock-proof pin is also provided with an action part, and when the shock-proof pin moves along the axial direction of the second guide channel towards the direction close to the pivot hole, the action part acts on the blocking piece to enable the blocking piece to slide along the slide way to enter the first guide channel so as to prevent the clutch pin from moving towards the direction close to the pivot hole.
2. The clutch device for lock according to claim 1, wherein the blocking member is a sphere, the action portion is formed on a peripheral wall of an end of the shock-proof pin away from the pivot hole, a pressing portion is further provided on the peripheral wall of the end of the shock-proof pin away from the pivot hole, one end of the first return spring is pressed against an end of the second guide channel close to the pivot hole, and the other end of the first return spring is pressed against the pressing portion; a propping part is formed on the peripheral wall of one end of the clutch pin, which is far away from the pivot hole, one end of the clutch pin spring is propped against one end of the first guide channel, which is close to the pivot hole, and the other end of the clutch pin spring is propped against the propping part; when the blocking piece enters the first guide channel to prevent the clutch pin from moving towards the direction close to the pivot hole, the blocking piece abuts against the abutting portion.
3. A clutch device for lock according to claim 2, wherein the abutment portion is located farther from the center of the pivot hole than the action portion in the longitudinal direction when the clutch pin is withdrawn from the rotor and the clutch pin is not moved against the spring action of the clutch pin to be inserted into the rotor.
4. A lock clutch according to claim 2, wherein the blocking member is located at a smaller lateral distance from the second end of the ramp into the first end of the ramp than the longitudinal distance between the abutment and the reaction portion.
5. A clutch device for a lock according to any one of claims 1 to 4, wherein the clutch pin, the clutch pin spring, the damper pin, the first return spring and the blocking member form a unit, the clutch base is provided with two sets of said units, the two sets of units are disposed on opposite sides of a rotational central axis of the clutch base, and the central axes of the clutch pins of the two sets of units are coaxial and in a longitudinal direction when mounted for use.
6. The clutch device for lock according to claim 5, further comprising a base and a pushing mechanism, wherein the clutch base and the rotor are rotatably mounted on the base, and the clutch pin is inserted into the rotor by pushing of the pushing mechanism.
7. The clutch device for lock according to claim 6, wherein the pushing mechanism comprises a motor mounted and fixed on the base, the motor is connected with a push plate through a reduction mechanism, the push plate is an arc plate with a central shaft coaxial with the rotation central shaft of the clutch base, and the push plate moves up and down longitudinally under the action of the motor.
8. The clutch device for lock according to claim 5, wherein the clutch base is rotatably mounted on the base through a bearing, a second return spring is provided between the clutch base and the base, and a side surface of the clutch base is provided to extend axially along the rotation axis thereof and to extend out of a handle head outside the base, and the handle is mounted on the handle head.
9. The clutch device for lock according to claim 5, wherein the clutch base is composed of a clutch base and a clutch cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668342.3A CN110259270B (en) | 2019-07-24 | 2019-07-24 | Clutch device for lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668342.3A CN110259270B (en) | 2019-07-24 | 2019-07-24 | Clutch device for lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259270A CN110259270A (en) | 2019-09-20 |
| CN110259270B true CN110259270B (en) | 2023-09-05 |
Family
ID=67927849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910668342.3A Active CN110259270B (en) | 2019-07-24 | 2019-07-24 | Clutch device for lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259270B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566049B (en) * | 2019-10-09 | 2024-03-19 | 德施曼机电（中国）有限公司 | Clutch pin mounting assembly with shockproof structure |
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| TW479738U (en) * | 2001-07-20 | 2002-03-11 | Shu-Jiuan Jang | Structure of multiple safe-guarding for safe deposit box |
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| CN103967348A (en) * | 2014-05-15 | 2014-08-06 | 苏州锦璘金属有限公司 | Electromagnet opening device for safe deposit box or safe box |
| CN105937335A (en) * | 2016-05-23 | 2016-09-14 | 深圳市众指科技有限公司 | Electronic lock clutch module and electronic lock |
| CN206917407U (en) * | 2017-05-27 | 2018-01-23 | 凯拔（中国）科技有限公司 | Clutch aseismatic mechanism |
| KR101853040B1 (en) * | 2017-12-20 | 2018-04-27 | (주)이노인스트루먼트 | Mortise |
| CN108756493A (en) * | 2018-06-27 | 2018-11-06 | 电子科技大学中山学院 | Anti-locking electronic door lock |
| CN109538017A (en) * | 2018-12-19 | 2019-03-29 | 宁波智盈电子科技有限公司 | A kind of electromagnet with gravity shockproof structure |
| CN110005274A (en) * | 2019-04-15 | 2019-07-12 | 东莞市怡丰锁业有限公司 | A kind of latching device and the luggage combination lock with the latching device |
| CN210714129U (en) * | 2019-07-24 | 2020-06-09 | 李浩远 | Clutch device for lock |
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2019
- 2019-07-24 CN CN201910668342.3A patent/CN110259270B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW479738U (en) * | 2001-07-20 | 2002-03-11 | Shu-Jiuan Jang | Structure of multiple safe-guarding for safe deposit box |
| EP1431487A2 (en) * | 2002-12-17 | 2004-06-23 | Niemann, Hans Dieter | Locking device with a bolt in the form of an elongated strip |
| JP2005054410A (en) * | 2003-08-01 | 2005-03-03 | Miwa Lock Co Ltd | Earthquake-proof lock mechanism |
| CN102844509A (en) * | 2010-04-09 | 2012-12-26 | 卡巴麦斯有限公司 | Relocking mechanism |
| CN103835575A (en) * | 2014-03-19 | 2014-06-04 | 曹国基 | Lock with striking-opening-resistant clutch |
| CN103967348A (en) * | 2014-05-15 | 2014-08-06 | 苏州锦璘金属有限公司 | Electromagnet opening device for safe deposit box or safe box |
| CN105937335A (en) * | 2016-05-23 | 2016-09-14 | 深圳市众指科技有限公司 | Electronic lock clutch module and electronic lock |
| CN206917407U (en) * | 2017-05-27 | 2018-01-23 | 凯拔（中国）科技有限公司 | Clutch aseismatic mechanism |
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| CN110005274A (en) * | 2019-04-15 | 2019-07-12 | 东莞市怡丰锁业有限公司 | A kind of latching device and the luggage combination lock with the latching device |
| CN210714129U (en) * | 2019-07-24 | 2020-06-09 | 李浩远 | Clutch device for lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110259270A (en) | 2019-09-20 |
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