CN210563847U - Clutch transmission and intelligent lock - Google Patents
Clutch transmission and intelligent lock Download PDFInfo
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- CN210563847U CN210563847U CN201920761169.7U CN201920761169U CN210563847U CN 210563847 U CN210563847 U CN 210563847U CN 201920761169 U CN201920761169 U CN 201920761169U CN 210563847 U CN210563847 U CN 210563847U
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Abstract
The utility model relates to a tool to lock field, concretely relates to separation and reunion derailleur and intelligent lock sets firmly through being coaxial with the separation and reunion drive gear, separation and reunion drive gear and shaft, locates on one's body the post with the separation and reunion frame movable sleeve, and makes the separation and reunion gear engagement on separation and reunion frame to connect the elasticity holder of separation and reunion frame at the outside joint of shaft. When the motor rotates forwards or reversely, the elastic clamping piece can drive the clutch frame to rotate forwards or reversely to the position where the clutch gear is in driving connection with the output gear set under the action of friction force of the column body, so that unlocking or locking is realized. Because the separation and reunion frame is movable setting with the shaft between to connect through the elasticity holder, when adopting machinery to unblank (the key or emergent knob unblank), output gear set can promote the separation and reunion gear outwards to remove towards the direction that breaks away from the meshing, thereby breaks away from the drive connection relation with motor and input gear set, unblanks more laborsavingly this moment, and simple structure is reliable, uses and experiences well.
Description
Technical Field
The utility model relates to a tool to lock field, concretely relates to separation and reunion derailleur and intelligent lock.
Background
In practical application, the motor in the intelligent lock can realize forward rotation and reverse rotation according to an electronic instruction so as to drive the forward rotation and reverse rotation of an output wheel of the output gear set, thereby realizing unlocking and locking. However, when the motor is static and the key is adopted to drive the lock cylinder to unlock or the emergency knob is adopted to unlock, the force for unlocking is large due to the fact that all transmission mechanisms need to be driven to operate, the use experience is poor, structural self-locking is easy to generate by the worm and the worm wheel, the unlocking cannot be achieved, the use is inconvenient, and the practicability and the application of related functions in the field of intelligent locks cannot be met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a separation and reunion derailleur and intelligent lock, solve current separation and reunion derailleur and intelligent lock and open too big, use the poor problem of experience.
In order to solve the technical problem, the utility model provides a clutch transmission, include: the clutch mechanism comprises a shell, an input gear set, an output gear set and a clutch mechanism, wherein the input gear set and the output gear set are arranged in the shell, and the clutch mechanism is connected with the input gear set and the output gear set;
the clutch mechanism comprises a clutch transmission gear, a clutch driving gear and a column body which are coaxially and fixedly arranged, and the input gear set is in driving connection with the clutch transmission gear;
the clutch mechanism also comprises a clutch frame movably sleeved on the column body, a clutch gear arranged on the clutch frame and meshed with the clutch driving gear, and an elastic clamping piece clamped outside the column body and connected with the clutch frame; the elastic clamping piece can drive the clutch frame to rotate to the clutch gear to be in driving connection with the output gear set under the action of friction force of the column body.
The utility model discloses a further preferred scheme is: the clutch frame is provided with a through hole in clearance fit with the column body, and the elastic clamping piece comprises a clamping ring portion elastically clamped on the outer cylindrical surface of the column body and a connecting portion connected to the clutch frame.
The utility model discloses a further preferred scheme is: the clutch frame is provided with a clamp, and the connecting part is clamped at the clamp.
The utility model discloses a further preferred scheme is: the clutch frame comprises two ears, and each ear is provided with one clutch gear.
The utility model discloses a further preferred scheme is: the two ears are oppositely arranged.
The utility model discloses a further preferred scheme is: the column body is arranged between the clutch transmission gear and the clutch driving gear.
The utility model discloses a further preferred scheme is: the shaft, the clutch transmission gear and the clutch driving gear are integrally formed.
The utility model discloses a further preferred scheme is: the input gear set comprises a worm arranged on a rotating shaft of the motor and a power transmission gear or a power transmission gear set meshed between the worm and the clutch transmission gear.
The utility model discloses a further preferred scheme is: the shell comprises a lower shell and an upper shell provided with a concave cavity, and the power transmission gear or the power transmission gear set and the clutch transmission gear are positioned in the concave cavity of the upper shell; the worm is arranged in the lower shell, an escape window is arranged on the side wall of the concave cavity, and the power transmission gear or the power transmission gear set is meshed with the worm through the escape window.
The utility model discloses a further preferred scheme is: the shaft is located between separation and reunion drive gear and the separation and reunion drive gear, the bottom of cavity is equipped with the shaft hole, the shaft passes the shaft hole extends to be inferior valve internal, separation and reunion frame and separation and reunion gear are located inferior valve is internal.
The utility model discloses a further preferred scheme is: the bottom of the cavity is provided with a limiting boss protruding towards the lower shell, and when the clutch gear rotates to a position in driving connection with the output gear set along with the clutch frame, the clutch frame or the elastic clamping piece and the limiting boss block each other.
In order to solve the technical problem, the utility model also provides an intelligence lock, a serial communication port, include as above clutch transmission.
The beneficial effects of the utility model reside in that, through setting firmly with separation and reunion drive gear, separation and reunion drive gear and shaft of a column are coaxial, locate with the separation and reunion frame movable sleeve on the shaft of a column, and make separation and reunion drive gear and the separation and reunion gear engagement on the frame of separation and reunion, and the outside joint of shaft of a column connects the elasticity holder of separation and reunion frame. When the motor rotates forwards or reversely, the elastic clamping piece can drive the clutch frame to rotate forwards or reversely to the position where the clutch gear is in driving connection with the output gear set under the action of friction force of the column body, so that unlocking or locking is realized. Because the separation and reunion frame is movable setting with the shaft between to connect through the elasticity holder, when adopting machinery to unblank (the key or emergent knob unblank), output gear set can promote the separation and reunion gear outwards to remove towards the direction that breaks away from the meshing, thereby breaks away from the drive connection relation with motor and input gear set, unblanks more laborsavingly this moment, and simple structure is reliable, uses and experiences well.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic diagram of the internal structure of the transmission of the present invention;
FIG. 2 is an exploded view of the transmission of the present invention;
FIG. 3 is a schematic view of a clutch mechanism of the transmission according to the present invention;
FIG. 4 is a schematic diagram of the engagement relationship of the various components inside the transmission of the present invention;
FIG. 5 is a perspective view of the upper housing of the transmission of the present invention;
FIG. 6 is a perspective view of the upper housing of the transmission of the present invention at another angle;
FIG. 7 is a schematic view showing the meshing relationship between the components inside the transmission when the motor rotates in the forward direction according to the present invention;
FIG. 8 is a schematic view showing the engagement relationship between the components inside the transmission when the motor of the present invention is rotating in reverse;
fig. 9 is a schematic diagram of the internal structure of the transmission with two clutch gears according to the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1-3, the clutch transmission of the present embodiment includes a housing 1, an input gear set 2, an output gear set 3 and a clutch mechanism 4 connecting the input gear set 2 and the output gear set 3, which are disposed in the housing 1, wherein the input gear set 2 is driven by a motor 5 capable of rotating in forward and reverse directions; the clutch mechanism 4 comprises a clutch transmission gear 41, a clutch driving gear 42 and a column body 43 which are coaxially and fixedly arranged, and the input gear set 2 is in driving connection with the clutch transmission gear 41; the clutch mechanism 4 further comprises a clutch frame 44 movably sleeved on the column body 43, a clutch gear 45 arranged on the clutch frame 44 and meshed with the clutch driving gear 42, and an elastic clamping piece 46 clamped outside the column body 43 and connected with the clutch frame 44; the elastic clamping piece 46 can drive the clutch frame 44 to rotate under the action of the friction force of the column body 43 until the clutch gear 45 is in driving connection with the output gear set 3. Through the coaxial and fixed arrangement of the clutch transmission gear 41, the clutch driving gear 42 and the column body 43, the clutch frame 44 is movably sleeved on the column body 43, the clutch driving gear 42 is meshed with the clutch gear 45 on the clutch frame 44, and the elastic clamping piece 46 connected with the clutch frame 44 is clamped and connected outside the column body 43. When the motor 5 rotates forwards or backwards, the elastic clamping piece 46 can drive the clutch frame 44 to rotate forwards or backwards under the action of friction force of the column body 43 to a position where the clutch gear 45 is in driving connection with the output gear set 3, so that unlocking or locking is realized. Because separation and reunion frame 44 is the activity setting with the shaft 43 to connect through elasticity holder 46, when adopting machinery to unblank (the key drive lock core 6 or emergent knob 7 unblank), output gear group 3 can promote clutch gear 45 outwards to remove towards the direction that breaks away from the meshing, thereby breaks away from indirect drive connection with input gear group 2, unblanks more laborsavingly this moment, and simple structure is reliable, uses and experiences well.
As shown in fig. 2 and 3, the input gear set 2 includes a worm 21 disposed on the rotation shaft of the motor 5, and a power transmission gear or a power transmission gear set engaged between the worm 21 and the clutch transmission gear 41. Specifically, the present embodiment is a power transmission gear set, the power transmission gear set includes a worm wheel 22 engaged with the worm 21 and a coaxial pinion 23 disposed on the worm wheel 22, and the coaxial pinion 23 is engaged with the clutch transmission gear 41.
As shown in fig. 2-6, in order to make the structure of the transmission more reasonable, the housing 1 includes a lower housing 11 and an upper housing 12 provided with a cavity 121, the worm gear 22, the pinion 23 coaxially arranged with the worm gear 22 and the clutch transmission gear 41 are located in the cavity 121 of the upper housing 12, and the cavity 121 is provided with a cover plate 122; the worm 21 is arranged in the lower shell 11, the side wall of the cavity 121 is provided with an escape window 123, the worm wheel 22 is meshed with the worm 21 through the escape window 123, and the clutch transmission gear 41 is meshed with a pinion 23 coaxially arranged with the worm wheel 22 in the cavity 121. The output gear set 3 may be a single output gear 32 directly connected to a lock square bar (the square bar can drive the lock tongue to move telescopically), or may be a gear set composed of at least one intermediate gear and the output gear 32. In this embodiment, the output gear set 3 includes a rear-stage speed changing gear 31 disposed on the lower housing 11 and an output gear 32 disposed on the upper housing 12 and engaged with the rear-stage speed changing gear 31, the rear-stage speed changing gear 31 is configured to be engaged with the clutch gear 45, and the upper housing 12 is provided with a hole 124 for mounting the output gear 32. Specifically, the rear-stage transmission gear 31 includes a gear body 311 having a rotating shaft or a rotating shaft hole at the center, gear teeth are disposed on the outer circumferential surface of the gear body 411, a gear boss 312 protruding from the end surface is disposed on the gear body 311, the gear body 311 is engaged with the clutch gear 45, the gear boss 312 is a bevel gear boss, the output gear 32 is provided with a bevel gear end, and the bevel gear end is engaged with the bevel gear boss. Further, a shaft hole 125 is formed in the bottom of the cavity 121, the column body 43 is disposed between the clutch transmission gear 41 and the clutch driving gear 42, the column body 43 passes through the shaft hole 125 and extends into the lower housing 11, and the clutch frame 44 and the clutch gear 45 are also located in the lower housing 11. Preferably, the column 43, the clutch transmission gear 41 and the clutch driving gear 42 are integrally formed, and the outer surface of the column 43 is a cylindrical surface, or at least the outer surface of the contact position with the elastic clamping piece 46 is a cylindrical surface. The bottom of the cavity 121 is provided with a limit boss 126 protruding toward the lower housing 11, and when the clutch gear 45 rotates to a position in driving connection with the rear-stage transmission gear 31 of the output gear set 3 along with the clutch frame 44, the clutch frame 44 or the elastic clamping member 46 blocks the limit boss 126. The arrangement of the limit boss 126 can prevent the clutch gear 45 from moving in the direction of pressing the rear-stage variable speed gear 31 of the output gear set 3 continuously due to the rotation of the column body 43 after being meshed with the output gear set 3, so that the friction and abrasion between the clutch gear 45 and the output gear set 3 can be effectively reduced, and the noise can be reduced.
As shown in fig. 3 and 9, the clutch frame 44 is provided with a through hole 441 in clearance fit with the column shaft 43, the elastic clamping member 46 includes a clamping ring portion 461 elastically clamped on the outer cylindrical surface of the column shaft 43 and a connecting portion 462 connected to the clutch frame 44, the clamping ring portion 461 is not limited to an annular ring which is entirely in contact with the column shaft 43 as shown in the figure, and may be a special-shaped structure which is only partially in contact with the column shaft 43. Further, a clamp 442 is disposed on the clutch frame 44, and the connecting portion 462 is clamped to the clamp 442. Specifically, the elastic clamping member 46 is an elastic member, the connecting portion 462 is a clamping rod of an opening of the clamping ring portion 461, the clamping ring portion 461 is tightly fitted on the column body 43 to perform a friction and sliding action (i.e. the elastic clamping member 46 is elastically clamped on the cylindrical surface of the column body 43 and allows the column body 43 to freely rotate relative to the clamping ring portion 461), the elastic clamping member 46 is connected with the clutch frame 44, and the opening is clamped on the clamp eye 442. Further, to reduce the response time of the locking and unlocking, the clutch frame 44 includes two ears 443, and each of the ears 443 is provided with one of the clutch gears 45. Preferably, the two ears 443 are oppositely disposed.
As shown in fig. 1 to 8, the clutch transmission of the present embodiment operates as follows: when the motor 5 rotates forwards, the clutch transmission gear 41 is driven to rotate through the worm 21 and the worm wheel 22, the elastic clamping piece 46 clamps the surface of the column body 43, certain friction force exists, the elastic clamping piece can also rotate along with the column body 43, the clutch frame 44 is driven to rotate around the column body 43, the limiting boss 126 at the bottom of the cavity 121 of the upper shell 12 limits the rotating range of the clutch frame 44, the clutch frame 44 can only rotate to the position where the clutch gear 45 on the clutch frame 44 can be just meshed with the rear-stage speed change gear 31, and at the moment, the motor 5 continues to rotate and can drive the output gear 32 to complete unlocking or locking actions; when the motor 5 rotates reversely, the clutch gear 45 rotates the other side to be meshed with the rear-stage speed-changing gear 31 by the principle, and at the moment, the motor 5 continues to rotate to drive the output gear 32 to complete locking or unlocking. When the motor 5 stops rotating, the worm 21, the worm wheel 22 and the clutch transmission gear 41 are all in a meshing self-locking state, the output gear set 3 (finally driving the rear-stage speed change gear 31) is driven to rotate in a movable direction by external force such as a key or an emergency knob 7, so that the clutch gear 45 is stirred to drive the clutch frame 44 to rotate to be disengaged from the rear-stage speed change gear 31, at the moment, the output gear 32 can smoothly rotate freely in the forward and reverse directions under the external force such as the key driving the lock cylinder 6 or the emergency knob 7, namely, the output gear set 3 can be easily rotated in at least one direction by external force input from the rear stage, and the self-locking of mechanisms such as the worm 21 and the worm wheel 22 is not limited.
Example two
The embodiment also provides an intelligent lock, which comprises the clutch transmission in the first embodiment.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A clutched transmission, comprising:
the clutch mechanism comprises a shell, an input gear set, an output gear set and a clutch mechanism, wherein the input gear set and the output gear set are arranged in the shell, and the clutch mechanism is connected with the input gear set and the output gear set;
the clutch mechanism comprises a clutch transmission gear, a clutch driving gear and a column body which are coaxially and fixedly arranged, and the input gear set is in driving connection with the clutch transmission gear;
the clutch mechanism also comprises a clutch frame movably sleeved on the column body, a clutch gear arranged on the clutch frame and meshed with the clutch driving gear, and an elastic clamping piece clamped outside the column body and connected with the clutch frame; the elastic clamping piece can drive the clutch frame to rotate to the clutch gear to be in driving connection with the output gear set under the action of friction force of the column body.
2. The clutched transmission of claim 1, wherein: the clutch frame is provided with a through hole in clearance fit with the column body, and the elastic clamping piece comprises a clamping ring portion elastically clamped on the outer cylindrical surface of the column body and a connecting portion connected to the clutch frame.
3. The clutched transmission of claim 2, wherein: the clutch frame is provided with a clamp, and the connecting part is clamped at the clamp.
4. The clutched transmission of claim 2, wherein: the clutch frame comprises two ears, and each ear is provided with one clutch gear.
5. The clutched transmission of claim 4, wherein: the two ears are oppositely arranged.
6. The clutched transmission of claim 5, wherein: the column body is arranged between the clutch transmission gear and the clutch driving gear.
7. The clutched transmission of claim 6, wherein: the shaft, the clutch transmission gear and the clutch driving gear are integrally formed.
8. The clutch transmission of any one of claims 1-5, wherein: the input gear set comprises a worm arranged on a rotating shaft of the motor and a power transmission gear or a power transmission gear set meshed between the worm and the clutch transmission gear.
9. The clutched transmission of claim 8, wherein: the shell comprises a lower shell and an upper shell provided with a concave cavity, and the power transmission gear or the power transmission gear set and the clutch transmission gear are positioned in the concave cavity of the upper shell; the worm is arranged in the lower shell, an escape window is arranged on the side wall of the concave cavity, and the power transmission gear or the power transmission gear set is meshed with the worm through the escape window.
10. The clutched transmission of claim 9, wherein: the shaft is located between separation and reunion drive gear and the separation and reunion drive gear, the bottom of cavity is equipped with the shaft hole, the shaft passes the shaft hole extends to be inferior valve internal, separation and reunion frame and separation and reunion gear are located inferior valve is internal.
11. The clutched transmission of claim 10, wherein: the bottom of the cavity is provided with a limiting boss protruding towards the lower shell, and when the clutch gear rotates to a position in driving connection with the output gear set along with the clutch frame, the clutch frame or the elastic clamping piece and the limiting boss block each other.
12. An intelligent lock, characterized in that it comprises a clutch transmission according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761169.7U CN210563847U (en) | 2019-05-24 | 2019-05-24 | Clutch transmission and intelligent lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920761169.7U CN210563847U (en) | 2019-05-24 | 2019-05-24 | Clutch transmission and intelligent lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210563847U true CN210563847U (en) | 2020-05-19 |
Family
ID=70637190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920761169.7U Active CN210563847U (en) | 2019-05-24 | 2019-05-24 | Clutch transmission and intelligent lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210563847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056258A (en) * | 2019-05-24 | 2019-07-26 | 深圳市罗漫斯智能家居有限公司 | A kind of clutch speed changer and smart lock |
-
2019
- 2019-05-24 CN CN201920761169.7U patent/CN210563847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056258A (en) * | 2019-05-24 | 2019-07-26 | 深圳市罗漫斯智能家居有限公司 | A kind of clutch speed changer and smart lock |
| CN110056258B (en) * | 2019-05-24 | 2024-03-22 | 深圳市罗漫斯智能家居有限公司 | Clutch transmission and intelligent lock |
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