CN212562830U - Automatic clutch mechanism for lock - Google Patents
Automatic clutch mechanism for lock Download PDFInfo
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- CN212562830U CN212562830U CN202020997413.2U CN202020997413U CN212562830U CN 212562830 U CN212562830 U CN 212562830U CN 202020997413 U CN202020997413 U CN 202020997413U CN 212562830 U CN212562830 U CN 212562830U
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Abstract
The utility model provides an automatic clutch mechanism for a lock, which comprises a motor mounting seat, an upper cover and a lower cover, wherein the upper cover and the lower cover are detachably connected; the driving motor is arranged at the end part of the motor mounting seat and comprises a motor shaft and a motor seat; a motor shaft of the driving motor is positioned in the motor mounting seat; the driving speed change assembly is arranged in the motor mounting seat and comprises an input end and an output end; the input end of the driving speed changing assembly is connected with a motor shaft of the driving motor; the clutch transmission assembly is arranged in the motor mounting seat and comprises a clutch transmission block, a spring and a transmission shaft; the clutch transmission block is arranged in a clutch window of the motor; the spring is sleeved outside the transmission shaft; one end of the transmission shaft is connected with the output end of the driving speed change assembly, the other end of the transmission shaft penetrates through the end part of the clutch transmission block, a limiting column is arranged on the shaft body of the transmission shaft, and the limiting column penetrates through the spring. The utility model discloses an automatic clutch mechanism simple structure easy to use.
Description
Technical Field
The utility model belongs to the tool to lock field, concretely relates to automatic separation and reunion structure is used to lock.
Background
Mechanical locks and electronic locks are often adopted in anti-theft locks on the market, along with the increasing of people's safety consciousness, the electronic locks with higher safety enter into people's realization, compare in traditional mechanical locks, its sensitivity is higher, the reaction is more rapid, and is difficult to be controlled by lawless persons.
Chinese utility model for CN205531761U discloses a take clutching mechanism's motor lock to use bi-motor drive arrangement, it includes the positioning seat, installs the main motor on the positioning seat, and the outer end of linking of post motor shaft and tool to lock switch control rigid coupling, drive arrangement include one locate the stand-by motor on the positioning seat, stand-by motor's pivot through a clutching mechanism with disconnection or switching between the linkage state between main motor shaft, it adopts the mode of motor drive screw rod to open and close the work to the electronic lock, because the screw rod during operation be rotary motion, with the rotary motion of screw rod conversion for be suitable for the linear motion that the electronic lock opened and need more complicated mechanical structure in order to realize, and then increased the fault rate when the electronic lock uses to a certain extent.
In view of this, an automatic clutch mechanism with simple structure and strong applicability is urgently needed to be provided.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to provide an automatic clutch mechanism for lock with simple structure and applicability.
The utility model discloses an automatic clutch mechanism, include:
the motor mounting seat comprises an upper cover and a lower cover which are detachably connected, and the upper cover of the motor mounting seat is provided with a clutch window; the motor mounting seat is suitable for providing mounting space;
the driving motor is arranged at the end part of the motor mounting seat and comprises a motor shaft and a motor seat; a motor shaft of the driving motor is positioned in the motor mounting seat;
the driving speed change assembly is arranged in the motor mounting seat and comprises an input end and an output end; the input end of the driving speed changing assembly is connected with a motor shaft of the driving motor;
the clutch transmission assembly is arranged in the motor mounting seat and comprises a clutch transmission block, a spring and a transmission shaft; the clutch transmission block is arranged in a clutch window of the motor and is suitable for controlling the on-off of the clutch; the spring is sleeved outside the transmission shaft, and two ends of the spring are respectively abutted against the inner wall of the clutch transmission block; one end of the transmission shaft is connected with the output end of the driving speed change assembly, the other end of the transmission shaft penetrates through the end part of the clutch transmission block, a limiting column is arranged on the shaft body of the transmission shaft, and the limiting column penetrates through the spring.
Furthermore, the clutch transmission block comprises a transmission block body and a clutch shifting piece; a cavity is arranged in the transmission block body and is suitable for mounting the spring and the transmission shaft; the clutch shifting piece is L-shaped and is arranged on the side wall of the transmission block and extends towards the clutch window.
Further, the transmission shaft comprises a first connecting shaft section, a second connecting shaft section and a middle shaft section; the first connecting shaft section is connected with the transmission block body; the second connecting shaft section is connected with the output end of the driving speed changing assembly.
Furthermore, the diameters of the first connecting shaft section and the second connecting shaft section are smaller than that of the middle shaft section.
Further, the second connecting shaft section comprises a connecting part and a fixing part; the section of the connecting part of the second connecting shaft section is circular; the cross section of the fixing part of the second connecting shaft section is semicircular.
Furthermore, the driving speed change assembly comprises a gearbox, a first gear set and a second gear set, wherein the first gear set and the second gear set are arranged in the gearbox; the second gear set is fixed in the gearbox through a second gearbox fixing cover.
Furthermore, an intermediate fixing plate is arranged between the first gear set and the second gear set.
Further, the first gear set and the second gear set each include a plurality of gears with different numbers of teeth, and are adapted to adjust a rotation speed ratio between the input end and the output end of the driving transmission assembly.
Furthermore, the upper cover and the lower cover of the motor mounting seat are provided with screw holes at four corners, and the upper cover and the lower cover of the motor mounting seat are connected through the screw holes.
Furthermore, the device also comprises a control device, wherein the control device is electrically connected with the driving motor and is suitable for controlling the rotation direction of a motor shaft of the driving motor.
Above-mentioned technical scheme of the utility model, compare prior art and have following advantage:
(1) the utility model discloses a driving motor drive transmission shaft motion, spacing post is rotatory along with the transmission shaft, because spacing post passes the spring setting for the spring will carry out horizontal motion to the axial of transmission shaft, and the separation and reunion transmission piece moves along with the spring this moment, and then has realized turning into the linear motion of separation and reunion transmission piece, simple structure and easy to maintain with the rotary motion of driving motor's motor shaft.
(2) The utility model discloses a drive speed change subassembly that sets up between driving motor's motor shaft and the transmission shaft, the gear ratio between the gear in rethread first gear train and the second gear train for the rotational speed of driving motor's motor shaft is different with the rotational speed of transmission shaft, has realized the speed change function, can be with the level of the suitable work of displacement speed control of closing the transmission piece again. And then prevent to rotate the separation and reunion driving block displacement trouble that leads to too fast because of the transmission shaft, also prevent to rotate the trouble of unblanking that leads to too slowly because of the transmission shaft.
Drawings
Fig. 1 is an exploded schematic view of an automatic clutch mechanism provided in an embodiment of the present invention;
wherein, 1, a motor mounting seat; 2. a drive motor; 3. a clutch transmission block; 4. a drive shaft; 5. a spring; 6. a drive transmission assembly; 11. an upper cover; 12. a lower cover; 13. a screw hole; 31. a transmission block body; 32. a clutch plectrum; 41. a first connecting shaft section; 42. a middle shaft section; 43. a second connecting shaft section; 61. a first gear set; 62. a second gear set; 63. a first transmission case stationary cover; 64. a second gearbox fixing cover; 65. and a middle fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the automatic clutch mechanism for a lock of the present embodiment includes:
the motor mounting base 1 comprises an upper cover 11 and a lower cover 12 which are detachably connected, and the upper cover 11 of the motor mounting base 1 is provided with a clutch window; the motor mounting base 1 is suitable for providing a mounting space;
the driving motor 2 is arranged at the end part of the motor mounting seat 1 and comprises a motor shaft and a motor seat; a motor shaft of the driving motor 2 is positioned inside the motor mounting seat 1;
the driving speed change assembly 6 is arranged in the motor mounting seat 1 and comprises an input end and an output end; the input end of the driving speed changing assembly 6 is connected with a motor shaft of the driving motor 2;
the clutch transmission assembly is arranged in the motor mounting seat 1 and comprises a clutch transmission block 3, a spring 5 and a transmission shaft 4; the clutch transmission block 3 is arranged in a clutch window of the motor and is suitable for controlling the on-off of the clutch; the spring 5 is sleeved outside the transmission shaft 4, and two ends of the spring are respectively abutted against the inner wall of the clutch transmission block 3; one end of the transmission shaft 4 is connected with the output end of the driving speed change assembly 6, the other end of the transmission shaft penetrates through the end part of the clutch transmission block 3, a limiting column is arranged on the shaft body of the transmission shaft 4, and the limiting column penetrates through the spring 5.
The clutch transmission block 3 comprises a transmission block body 31 and a clutch shifting piece 32; a cavity is arranged in the transmission block body 31 and is suitable for mounting the spring 5 and the transmission shaft 4; the clutch shifting piece 32 is L-shaped, is arranged on the side wall of the transmission block and extends towards the clutch window.
The transmission shaft 4 comprises a first connecting shaft section 41, a second connecting shaft section 43 and a middle shaft section 42; the first connecting shaft section 41 is connected with the transmission block body 31; the second connecting shaft section 43 is connected to the output of the drive transmission assembly 6.
In order to reduce the play of the propeller shaft 4 in the radial direction in the present embodiment, the diameters of the first connecting shaft section 41 and the second connecting shaft section 43 are smaller than the diameter of the intermediate shaft section 42.
In order to increase the tightness of the fixing of the transmission shaft 4 of the present embodiment, the second connecting shaft section 43 includes a connecting portion and a fixing portion; the cross section of the connecting part of the second connecting shaft section 43 is circular; the cross section of the fixing part of the second connecting shaft section 43 is semicircular.
In order to adjust the rotation speed ratio between the input end and the output end of the driving transmission assembly 6 of the present embodiment, the driving transmission assembly 6 includes a transmission case, a first gear set 61 and a second gear set 62 which are arranged in the transmission case, and the first gear set 61 is fixed in the transmission case through a first transmission case fixing cover 63; the second gear set 62 is fixed in the transmission through a second transmission fixing cover 64, an intermediate fixing plate 65 is disposed between the first gear set 61 and the second gear set 62, and the first gear set 61 and the second gear set 62 both include a plurality of gears with different tooth numbers, and are adapted to adjust a rotation speed ratio between an input end and an output end of the driving transmission assembly 6.
In order to further facilitate the installation and the disassembly of the embodiment, the upper cover 11 and the lower cover 12 of the motor installation base 1 are provided with screw holes 13 at four corners, and the upper cover 11 and the lower cover 12 of the motor installation base 1 are connected through the screw holes 13.
In order to realize the normal operation of the clutch pulling plate 32 in this embodiment, the clutch pulling plate further comprises a control device, which is electrically connected with the driving motor 2 and is suitable for controlling the rotation direction of the motor shaft of the driving motor 2. Wherein the control device is a conventional product in the prior art and can be obtained by purchasing a commercially available motor controller.
The use method of the automatic clutch mechanism for the lock in the embodiment is as follows: when the unlocking is needed, the starting control device controls the driving motor 2 to rotate forwards, the transmission shaft 4 rotates along with the driving motor 2, the limiting column rotates and presses the spring 5 to enable the spring 5 to move along the axial direction of the transmission shaft 4, and the clutch transmission block 3 moves along with the spring 5, so that the unlocking function is realized; when the lock needs to be closed, the starting control device controls the driving motor 2 to rotate reversely, the transmission shaft 4 rotates along with the driving motor 2, the limiting column rotates and presses the spring 5 to enable the spring 5 to move along the axial direction of the transmission shaft 4, the clutch transmission block 3 moves along with the spring 5, and then the lock closing function is achieved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An automatic clutch mechanism for a lock, comprising:
the motor mounting seat comprises an upper cover and a lower cover which are detachably connected, and the upper cover of the motor mounting seat is provided with a clutch window; the motor mounting seat is suitable for providing mounting space;
the driving motor is arranged at the end part of the motor mounting seat and comprises a motor shaft and a motor seat; a motor shaft of the driving motor is positioned in the motor mounting seat;
the driving speed change assembly is arranged in the motor mounting seat and comprises an input end and an output end; the input end of the driving speed changing assembly is connected with a motor shaft of the driving motor;
the clutch transmission assembly is arranged in the motor mounting seat and comprises a clutch transmission block, a spring and a transmission shaft; the clutch transmission block is arranged in a clutch window of the motor and is suitable for controlling the on-off of the clutch; the spring is sleeved outside the transmission shaft, and two ends of the spring are respectively abutted against the inner wall of the clutch transmission block; one end of the transmission shaft is connected with the output end of the driving speed change assembly, the other end of the transmission shaft penetrates through the end part of the clutch transmission block, a limiting column is arranged on the shaft body of the transmission shaft, and the limiting column penetrates through the spring.
2. The automatic clutch mechanism for locks of claim 1, wherein said clutch driving block comprises a driving block body and a clutch pick; a cavity is arranged in the transmission block body and is suitable for mounting the spring and the transmission shaft; the clutch shifting piece is L-shaped and is arranged on the side wall of the transmission block and extends towards the clutch window.
3. The automatic clutch mechanism for locks according to claim 2, characterized in that said transmission shaft comprises a first connecting shaft section, a second connecting shaft section and an intermediate shaft section; the first connecting shaft section is connected with the transmission block body; the second connecting shaft section is connected with the output end of the driving speed changing assembly.
4. The automatic clutch mechanism for locks of claim 3, wherein the first connecting shaft section and the second connecting shaft section are each smaller in diameter than the intermediate shaft section.
5. The automatic clutch mechanism for locks according to claim 4, characterized in that said second connecting shaft section comprises a connecting portion and a fixing portion; the section of the connecting part of the second connecting shaft section is circular; the cross section of the fixing part of the second connecting shaft section is semicircular.
6. The automatic clutch mechanism for locks according to claim 5, characterized in that said driving gear shift assembly comprises a gearbox, a first gear set and a second gear set arranged in said gearbox, said first gear set being fixed in said gearbox by a first gearbox fixing cover; the second gear set is fixed in the gearbox through a second gearbox fixing cover.
7. The automatic clutch mechanism for locks according to claim 6, characterized in that an intermediate fixing plate is provided between the first gear set and the second gear set.
8. The automatic clutch mechanism for locks according to claim 7, characterized in that the first gear set and the second gear set each comprise a plurality of gears with different numbers of teeth adapted to adjust the rotation speed ratio between the input and the output of the drive transmission assembly.
9. The automatic clutch mechanism for locks of claim 8, wherein the upper cover and the lower cover of the motor mount are provided with screw holes at four corners, and the upper cover and the lower cover of the motor mount are connected through the screw holes.
10. The automatic clutch mechanism for locks according to claim 9, characterized in that it further comprises a control device electrically connected to said drive motor and adapted to control the direction of rotation of the motor shaft of said drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020997413.2U CN212562830U (en) | 2020-06-03 | 2020-06-03 | Automatic clutch mechanism for lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020997413.2U CN212562830U (en) | 2020-06-03 | 2020-06-03 | Automatic clutch mechanism for lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212562830U true CN212562830U (en) | 2021-02-19 |
Family
ID=74637047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020997413.2U Active CN212562830U (en) | 2020-06-03 | 2020-06-03 | Automatic clutch mechanism for lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212562830U (en) |
-
2020
- 2020-06-03 CN CN202020997413.2U patent/CN212562830U/en active Active
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