CN201771992U - Small-sized clutch and motor and electric curtain using same - Google Patents
Small-sized clutch and motor and electric curtain using same Download PDFInfo
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- CN201771992U CN201771992U CN2010202256077U CN201020225607U CN201771992U CN 201771992 U CN201771992 U CN 201771992U CN 2010202256077 U CN2010202256077 U CN 2010202256077U CN 201020225607 U CN201020225607 U CN 201020225607U CN 201771992 U CN201771992 U CN 201771992U
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Abstract
The utility model discloses a small-sized clutch and a motor and an electric curtain that use the small-sized clutch. The small-sized clutch comprises a clamping block, a cam used as a driving wheel, and a notch shell used as a driven wheel; the cam is arranged in the notch shell, protrudes towards the direction of the inner wall of the notch shell, and is abutted with the inner wall of the notch shell; the inner wall of the notch shell is provided with a notch capable of partially containing the clamping block; the clamping block can move in a clearance between the part of cam, which does not protrude towards the inner wall of the notch shell, and the notch shell; and the included angle between the outer wall of an inclined wall at the position of the cam, close to the inner wall of the notch shell, and the inner wall of the notch shell is an acute angle. The small-sized clutch adopted by the motor and the electric curtain is a completely mechanical clutch, can be conveniently clutched without being additionally provided with any energy; and due to the characteristics of portability, simplicity and no power consumption, the small-sized clutch is especially applicable to the electric curtain driven by the motor, thus being more convenient to use.
Description
Technical field
The utility model relates to field of mechanical technique, in particular, relates to a kind of clutch, especially small-sized clutch and used motor, the electrically driven curtain of this small-sized clutch.
Background technique
Along with the development of motor technology, motor has been applied in our life widely.Such as by the motion of driven by motor curtain, just become and to have made things convenient for people's life by the electrically driven curtain of Electric Machine Control.With electronic open-close type curtain (being called for short the folding curtain) is example, and it adopts motor as the switching that drives dynamic Control folding curtain.Wherein motor is the abbreviation of some mini zone rotating shaft electric motors, can adopt tube shaped electric machine, grille motor, door motor etc. usually.The structure of the motor driven systems of open-close type curtain as shown in Figure 1, generally include motor, drivign belt, guide rail, pulley, reach the dolly that drives curtain expansion gathering as action part, motor all hangs over the outer end of track usually, motor drives dolly by drivign belt and slides on guide rail, and the drive curtain is opened or be closed.
For electrically driven curtain, because the dolly of the drive cord of electrically driven curtain is connected with electric-motor-driving, therefore for electrically driven curtain, in the time of the motor stall, the dolly that drives cord can not direct outer power move, especially when motor had a power failure, people even can manually not spur curtain, used comparatively inconvenience.
The model utility content
Technical problem to be solved in the utility model provides a kind of motor, electrically driven curtain that uses more convenient clutch and used this clutch.
The purpose of this utility model is achieved through the following technical solutions:
A kind of small-sized clutch comprises: fixture block, as the cam of driving wheel, and as the notched shell of driven wheel; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of described cam and notched shell is an acute angle.
Described fixture block is a magnetic part; Corresponding, described small-sized clutch also comprises the disc of being made by magnetic conductive part; Described cam and notched shell are all non-magnetic conductive part; The diameter of described disc is not more than the minimum diameter of notched shell; Described cam is arranged between notched shell and the disc.Such design makes that as long as cam no longer pushes fixture block, fixture block will be subjected to the magnetic force of centripetal direction, gets back on the disc rapidly automatically when fixture block is in the recess of notched shell from recess.And the fixture block that the disc that magnetic conductive part is made can be made to magnetic part is with stable magnetic attraction, reduced the influence to the motion state of fixture block of gravity that fixture block is subjected to, makes this clutch with what orientation is installed and can well be worked.
Described fixture block is the cylinder fixture block, and the recess on the described notched shell is an arc-shaped notch; Described cylinder fixture block is consistent with the diameter of arc-shaped notch, and the degree of depth of described arc-shaped notch is less than the radius of cylinder fixture block.Such design can be so that when the cam active rotation, and the cylinder fixture block enters the stroke minimum of arc-shaped notch, can more successfully block notched shell, and the three is rotated synchronously.
Be respectively equipped with first surface of contact near the position of notched shell on the hypotenuse outer wall of described cam both sides, described first surface of contact apart from the degree of depth of the distance of notched shell and arc-shaped notch apart from the diameter of sum less than the cylinder fixture block.Such design can be so that when the cam active rotation, and first surface of contact can better be stuck in the cylinder fixture block in the arc-shaped notch of notched shell, and the cylinder fixture block can more firmly block notched shell, and the three is rotated synchronously.
Be provided with second surface of contact with the first surface of contact adjacency from a notched shell end far away on the hypotenuse outer wall of described cam; Angle between the inwall of described second surface of contact and notched shell is less than the angle between the inwall of first surface of contact and notched shell, and greater than the angle between the inwall of other positions of hypotenuse outer wall and notched shell.Such design makes the arc-shaped notch that does not also enter into notched shell at the cylinder fixture block, when the cylinder fixture block does not touch littler first surface of contact of angle yet, be subjected to the bigger centrifugal component that second surface of contact is given, enter into arc-shaped notch more rapidly and go, and tighten by first surface of contact.
The diameter of the ultimate range in gap and cylinder fixture block adapts between cam and the notched shell inwall.Be the diameter that the cylinder fixture block only slightly is wider than in the gap that forms between cam and the notched shell inwall, guaranteeing that the cylinder fixture block can reduce the width of this gap as much as possible under the mobile prerequisite freely of the gap between cam and the notched shell inwall.Though such design make the cylinder fixture block can be in the gap moving freely, it almost is that the inwall that is pasting notched shell moves, and makes the cylinder fixture block can enter into to beeline arc-shaped notch.
Be provided with plural recess in the described notched shell inwall.Such design makes clutch when closing, and fixture block can enter into the recess of notched shell inwall with a shorter stroke; Accelerated the speed of clutch.
The also adjacent part of adjacency is protruded to the direction of notched shell inwall in described cam two places that are provided with axisymmetricly; Described fixture block also is two, places the adjacent part of two protrusions of cam notched shell to be separated the space of formation respectively.Two directions to the notched shell inwall axisymmetricly are set in the cam protrude the also adjacent part of adjacency, in conjunction with two fixture blocks, make cam and notched shell in chucking, 2 are a straight line stressed chucking simultaneously, the concentric better effects if when notched shell is rotated.
A kind of motor; Comprise small-sized clutch, described small-sized clutch comprises:
Fixture block, as the fixing cam of the output shaft of driving wheel and motor, and as the notched shell of driven wheel; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of described cam and notched shell is an acute angle.
A kind of electrically driven curtain, it comprises, the dolly of motor, the drive cord motion that is in transmission connection with the output terminal of motor, and being arranged on small-sized clutch between motor and the dolly, described small-sized clutch comprises: fixture block, as the fixing cam of the output shaft of driving wheel and motor, and as the notched shell of the cart stationary of driven wheel and electrically driven curtain; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of described cam and notched shell is an acute angle.
The small-sized clutch that motor, electrically driven curtain described in the utility model adopted is a kind of clutch of Purely mechanical, do not need to add any energy and can realize clutch very easily, because its light, simple, no power consumption, be specially adapted to electrically driven curtain, use more convenient by driven by motor.
Description of drawings
Fig. 1 is the structural representation of the clutch among a kind of embodiment of the present utility model;
Fig. 2 be among a kind of embodiment of the present utility model clutch from the schematic representation of state;
Fig. 3 is the schematic representation of the state that closes of the clutch among a kind of embodiment of the present utility model;
Fig. 4 is the structural representation of the clutch among the another kind of embodiment of the present utility model;
Fig. 5 is the clutch schematic representation of the clutch among the another kind of embodiment of the present utility model;
Fig. 6 is the structural representation of the motor driven systems of the electrically driven curtain that has clutch among the utility model embodiment.
Wherein: 1, guide rail; 2, motor; 20, output shaft; 22, dolly; 3, clutch; 31, cam; 311, flat hole; 312, disc; 313, adjacent part; 314, in abutting connection with outer wall; 315, hypotenuse outer wall; 316, first surface of contact; 317, second surface of contact; 318, adjacent part; 319, sprag space; 32, fixture block; 33, notched shell; 331, recess.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Small-sized clutch described in the utility model is a kind of small-sized clutch of Purely mechanical, does not need to add any energy and can realize clutch very easily, and light, simple, no power consumption is specially adapted to the electrically driven curtain by driven by motor.Be that example describes with the small-sized clutch in the motor that is applied in electrically driven curtain below, described electrically driven curtain comprises the dolly of the drive cord motion that motor reaches and the output terminal of motor is in transmission connection, and small-sized clutch is arranged between motor and the dolly.
Small-sized clutch as a kind of embodiment of the present utility model mainly comprises three parts: fixture block, as the cam of driving wheel, and as the notched shell of driven wheel; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, cam can be referred to as adjacent part to the direction protrusion of notched shell inwall and the part of adjacency; The adjacent part of cam can be referred to as in abutting connection with outer wall near the position of notched shell inwall and the outer wall of notched shell inwall adjacency, can be referred to as the hypotenuse outer wall with the inwall of notched shell and in abutting connection with outer wall both sides in a certain angle respectively in abutting connection with the both sides of outer wall.Angle between the hypotenuse outer wall of the position of the close notched shell inwall of described cam and the inwall of notched shell is an acute angle.
When as the cam rotation of driving wheel, the adjacent part that cam protrudes is pushed fixture block the direction of notched shell to, because the effect of centrifugal force and hypotenuse outer wall, on one side fixture block is subjected to the thrust of cam rotation, Yi Bian be subjected to the centrifugal force outside along the axle center; When fixture block slided into indent on the notched shell inwall, fixture block can partly be absorbed in the recess on the notched shell, because the inwall adjacency of cam and notched shell, the part that is not absorbed in can be blocked cam; Again because the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of cam and notched shell is an acute angle, make to give pressure outside of fixture block always, make fixture block be clamped in the recess of notched shell along the axle center as the hypotenuse outer wall of the cam of driving wheel; Cam as driving wheel rotates as the notched shell of driven wheel together by the fixture block drive, realizes the process that clutch closes.Stop operating and work as cam, notched shell is subjected to external force, can be earlier along the little commentaries on classics of the direction of cam rotation some, fixture block in the recess of notched shell is subjected to the external force of the centripetal direction of recess, will from recess, eject, enter into the not gap between the part that the notched shell inwall protrudes of notched shell and cam, this moment, notched shell can freely be rotated, the realization clutch from process.
Above-mentioned small-sized clutch is being installed to motor, and when being applied in the electrically driven curtain, clutch is fixed as the cam of driving wheel and the output shaft of motor, as the notched shell of driven wheel and the cart stationary of electrically driven curtain drive cord motion; When electric motor starting rotated, the output shaft of motor drove cam rotation, and cam blocks notched shell by fixture block, and notched shell drives the cord motion of dolly at electrically driven curtain, realizes the process that clutch closes; When the motor stall, can manually pull cord, impel notched shell earlier along the little commentaries on classics of the direction of cam rotation some, make fixture block from the recess of notched shell, break away from earlier to enter into the not gap between the part of notched shell inwall protrusion of notched shell and cam, realize clutch from process, just can manually spur cord and move freely this moment.
For the motor that can carry out clockwise and anticlockwise, the small-sized clutch of needs also can carry out the clutch on the positive and negative both direction simultaneously; For this situation, the cam of clutch all can be made as acute angle, the two-way clutch of realization clutch near the angle between the inwall of the hypotenuse outer wall of the both sides of the position of notched shell inwall and notched shell.For two-way clutch is acted in agreement, the hypotenuse outer wall of cam both sides can be provided with axisymmetricly.
As structure such as Fig. 1-Fig. 3 and shown in Figure 6 of the small-sized clutch of another kind of specific embodiment of the present utility model, described clutch comprises fixture block 32, cam 31, and notched shell 33; Described cam 31 is as driving wheel, and the output shaft 20 of the motor 2 that cooperates with flat hole therewith by the flat hole 311 of circle centre position is fixing; 33 dollies 22 as driven wheel and electrically driven curtain of described notched shell are fixing.
Wherein, fixture block 32 can adopt magnetic part; Corresponding, described cam 31 is arranged on the disc 312 of being made by magnetic conductive part, and cam 31 bodies then are non-magnetic conductive part; Notched shell 33 waits other members also to be all non-magnetic conductive part; Wherein, the diameter of disc 312 is not more than the minimum diameter of notched shell 33; Cam 31 is arranged between notched shell 33 and the disc 312.Such design makes that as long as cam 31 no longer pushes fixture block 32, fixture block 32 will be subjected to the magnetic force of centripetal direction, on the more automatic disc of getting back to rapidly outside the recess 312 when fixture block 32 is in the recess 331 of notched shell 33 from recess 331.And the fixture block that the disc that magnetic conductive part is made can be made to magnetic part is with stable magnetic attraction, reduced the influence to the motion state of fixture block of gravity that fixture block is subjected to, makes this clutch with what orientation is installed and can well be worked.
In order better to realize clutch, fixture block 32 can be the cylinder fixture block, corresponding, the recess 331 on the notched shell 33 is an arc-shaped notch, and the cylinder fixture block is consistent with the diameter of arc-shaped notch, and the degree of depth of arc-shaped notch is less than the radius of cylinder fixture block.Make that when the cam active rotation, the cylinder fixture block enters the stroke minimum of arc-shaped notch, can more successfully block notched shell, the three is rotated synchronously.
Further, as Fig. 2, shown in Figure 3, position near notched shell 33 on the hypotenuse outer wall 315 of cam both sides is respectively equipped with first surface of contact 316, angle between the inwall of first surface of contact 316 and notched shell is an acute angle, first surface of contact 316 apart from the degree of depth of the distance of notched shell 33 and arc-shaped notch 331 apart from the diameter of sum less than cylinder fixture block 32.When cam 31 active rotation, first surface of contact 316 can better be stuck in cylinder fixture block 32 in the arc-shaped notch 331 of notched shell 33, and cylinder fixture block 32 can more firmly block notched shell 33, and the three is rotated synchronously.And can also be provided with second surface of contact 317 with first surface of contact, 316 adjacency again from notched shell 33 ends far away on the hypotenuse outer wall 315 of cam; Angle between the inwall of second surface of contact 317 and notched shell 33 is less than the angle between the inwall of first surface of contact 316 and notched shell 33, and greater than the angle between the inwall of hypotenuse outer wall 315 other positions and notched shell 33.Also do not enter into the arc-shaped notch 331 of notched shell 33 at cylinder fixture block 32, when cylinder fixture block 32 does not touch littler first surface of contact 316 of angle yet, be subjected to the bigger centrifugal component that second surface of contact 317 is given, enter into arc-shaped notch 331 more rapidly and go, and by first surface of contact, 316 chuckings.Wherein, first surface of contact can be designed as arc, with the profile of applying cylinder fixture block, makes between win surface of contact and the fixture block to face contacts, and reduces wear, and prolongs the working life of clutch.
In order to make cylinder fixture block 32 can enter into to beeline the arc-shaped notch 331 of notched shell 33, the ultimate range in gap between cam 31 and notched shell 33 inwalls and the diameter of cylinder fixture block 32 are adapted, it is the diameter that cylinder fixture block 32 only slightly is wider than in the gap that forms between cam 31 and notched shell 33 inwalls, make and guaranteeing that cylinder fixture block 32 can be under the prerequisite that moves freely of the gap between cam 31 and notched shell 33 inwalls, reduce the width of this gap as much as possible, though cylinder fixture block 32 can be in the gap moving freely, but almost to be the inwall that is pasting notched shell 33 move for it, thereby can with beeline enter into the arc-shaped notch 331 of notched shell 33, realize the process that clutch closes with the fastest speed.
In order to make fixture block 32 can enter into the recess 331 of notched shell 33 inwalls with a shorter stroke, the speed of quickening clutch can be provided with plural recess 331 in notched shell 33 inwalls.Certainly, only be provided with in the notched shell 33 recess also be can implement fully of the present utility model.
Stop in order to carry out automatic spacing to electrically driven curtain, need and can monitor the position of electrically driven curtain cord, the revolution of the notched shell 33 of the clutch of dolly 22 that can be by clutch being connected the electrically driven curtain cord is counted.The signal magnet that the synchronous rotation that is connected with notched shell 33 can be set in clutch 3 is (not shown, can be arranged on a side of not holding cam in the notched shell), like this, just can count the revolution of notched shell 33, so that the motor that has used this clutch is carried out spacing setting by devices such as Hall element (not shown)s.The signal magnet preferably occurs in pairs, and notched shell can better guarantee its concentricity when rotating, and the number of signal magnet is many more, and the precision of its revolution counter is just high more.Through repeatedly practice, in notched shell, all put eight block signal magnets, can reach the optimum efficiency that counting precision and cost are considered.
Fig. 4, Fig. 5 then show another embodiment of the present utility model, different with the clutch among Fig. 1-Fig. 3 is, the cam of the clutch in the present embodiment separates with the disc of cam bottom, and disc maintains static, and the flat hole of passing through that cam is then same is rotated by the output shaft drive of motor.Because disc need be magnetic conductive part, cam then needs to be non-magnetic conductive part, the easier manufacturing of such design.
Cam is designed to fusiformis, axisymmetricly, is provided with two places and protrudes the also adjacent part 318 of adjacency to the direction of notched shell inwall; Corresponding, fixture block also is two, places the adjacent part of two protrusions of cam notched shell to be separated the sprag space 319 of formation respectively.Two directions to the notched shell inwall axisymmetricly are set in the cam protrude the also adjacent part of adjacency, in conjunction with two fixture blocks, make cam and notched shell in chucking, 2 are a straight line stressed chucking simultaneously, the concentric better effects if when notched shell is rotated.And in order to engage fixture block fast, the recess in the notched shell is designed to four.This clutch is all very good aspect clutch effect, concentricity, making precision and cost control.
Above-mentioned design clutch from be incorporated into from process, also need manually earlier along the little commentaries on classics of the direction of cam rotation some, just can allow fixture block from recess, break away from, use comparatively inconvenience, for more convenient user uses, the counter-rotating control module can also be set at the control section of motor, be used to control the motor several angle that before stall, reverses.The design of concrete angle can be according to the number design of recess in the notched shell inside, as long as can make fixture block from being spun off the state of notched shell and cam chucking, when being 2 as the recess number, the counter-rotating number of turns needs less than half-turn; And if the recess number is 4, the number of turns of then reversing then needs less than 1/4th circles.When such design makes the motor stall, clutch all be in automatically from state, the user can directly manually spur curtain.
Clutch described in the utility model especially is fit to be applied in the electrically driven curtain described below.As shown in Figure 6, the motor driven systems of described electrically driven curtain comprises: guide rail 1 and be used to drive the dolly 22 that the curtain folding is slided on guide rail 1, and described motor 2 just is arranged on the dolly 22; Directly axially be provided with runner on the output shaft 20 of motor, runner is pressed on the guide rail, by the rotation of runner, drives curtain open/close by motor self, drives motor and moves on guide rail.Clutch 3 just is arranged between the output shaft and dolly 22 of motor.For the ease of representing the main structure of present embodiment, the rail length of Fig. 6 blocks; In actual applications, the length of guide rail can arbitrarily be provided with according to concrete needs.
Because above-mentioned motor itself just hangs on the dolly and moves with dolly, the volume and the weight of motor part all are subjected to limiting significantly, and clutch configuration described in the utility model is simple, and are the mechanical type clutches, do not need ABAP Adapter, especially be fit to this kind electrically driven curtain.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a small-sized clutch is characterized in that, comprising: fixture block, as the cam of driving wheel, and as the notched shell of driven wheel; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of described cam and notched shell is an acute angle.
2. a kind of small-sized clutch as claimed in claim 1 is characterized in that described fixture block is a magnetic part; Corresponding, described small-sized clutch also comprises the disc of being made by magnetic conductive part; Described cam and notched shell are all non-magnetic conductive part; The diameter of described disc is not more than the minimum diameter of notched shell; Described cam is arranged between notched shell and the disc.
3. a kind of small-sized clutch as claimed in claim 2 is characterized in that described fixture block is the cylinder fixture block, and the recess on the described notched shell is an arc-shaped notch; Described cylinder fixture block is consistent with the diameter of arc-shaped notch, and the degree of depth of described arc-shaped notch is less than the radius of cylinder fixture block.
4. a kind of small-sized clutch as claimed in claim 3, it is characterized in that, be respectively equipped with first surface of contact near the position of notched shell on the hypotenuse outer wall of described cam both sides, described first surface of contact apart from the degree of depth of the distance of notched shell and arc-shaped notch apart from the diameter of sum less than the cylinder fixture block.
5. a kind of small-sized clutch as claimed in claim 4 is characterized in that, is provided with second surface of contact with the first surface of contact adjacency from a notched shell end far away on the hypotenuse outer wall of described cam; Angle between the inwall of described second surface of contact and notched shell is less than the angle between the inwall of first surface of contact and notched shell, and greater than the angle between the inwall of other positions of hypotenuse outer wall and notched shell.
6. as the arbitrary described a kind of small-sized clutch of claim 1-5, it is characterized in that the diameter of the ultimate range in gap and cylinder fixture block adapts between cam and the notched shell inwall.
7. a kind of small-sized clutch as claimed in claim 6 is characterized in that, is provided with plural recess in the described notched shell inwall.
8. a kind of small-sized clutch as claimed in claim 7 is characterized in that, the also adjacent part of adjacency is protruded to the direction of notched shell inwall in described cam two places that are provided with axisymmetricly; Described fixture block also is two, places the adjacent part of two protrusions of cam notched shell to be separated the space of formation respectively.
9. motor; Comprise small-sized clutch, it is characterized in that described small-sized clutch comprises:
Fixture block, as the fixing cam of the output shaft of driving wheel and motor, and as the notched shell of driven wheel; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of described cam and notched shell is an acute angle.
10. electrically driven curtain, it comprises, the dolly of motor, the drive cord motion that is in transmission connection with the output terminal of motor, and be arranged on small-sized clutch between motor and the dolly, it is characterized in that described small-sized clutch comprises: fixture block, as the fixing cam of the output shaft of driving wheel and motor, and as the notched shell of the cart stationary of driven wheel and electrically driven curtain; Described cam is arranged in the notched shell, and cam protrudes and adjacency to the direction of notched shell inwall; The inwall of described notched shell is provided with the recess that can partly hold fixture block; Described fixture block can not move in part that the notched shell inwall protrudes and the gap between the notched shell at cam; Wherein, the angle between the inwall of the hypotenuse outer wall of the position of the close notched shell inwall of described cam and notched shell is an acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202256077U CN201771992U (en) | 2010-06-04 | 2010-06-04 | Small-sized clutch and motor and electric curtain using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202256077U CN201771992U (en) | 2010-06-04 | 2010-06-04 | Small-sized clutch and motor and electric curtain using same |
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| Publication Number | Publication Date |
|---|---|
| CN201771992U true CN201771992U (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202256077U Expired - Fee Related CN201771992U (en) | 2010-06-04 | 2010-06-04 | Small-sized clutch and motor and electric curtain using same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871493A (en) * | 2010-06-04 | 2010-10-27 | 深圳市博孚机电有限公司 | Small clutch, and motor and electric curtain using same |
| CN102383687A (en) * | 2011-07-15 | 2012-03-21 | 广州市瑞翔机电有限公司 | Clutch device |
| CN103591182A (en) * | 2012-08-13 | 2014-02-19 | 深圳市奥科伟业科技发展有限公司 | Bi-directional overrun clutch and separation control method thereof |
| CN109027041A (en) * | 2016-12-27 | 2018-12-18 | 宁波奉化飞天人精密模具设计有限公司 | Magnetic conductance clutch |
| CN112833107A (en) * | 2020-12-31 | 2021-05-25 | 成都中车四方轨道车辆有限公司 | Automatic axle box bearing maintenance line and maintenance method |
| CN114931311A (en) * | 2019-06-28 | 2022-08-23 | 卧安科技(深圳)有限公司 | Curtain electric control driving device |
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2010
- 2010-06-04 CN CN2010202256077U patent/CN201771992U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871493A (en) * | 2010-06-04 | 2010-10-27 | 深圳市博孚机电有限公司 | Small clutch, and motor and electric curtain using same |
| WO2011150819A1 (en) * | 2010-06-04 | 2011-12-08 | 深圳市博孚机电有限公司 | Small-sized clutch, electric motor having small-sized clutch and electro-motion curtain having small-sized clutch |
| CN102383687A (en) * | 2011-07-15 | 2012-03-21 | 广州市瑞翔机电有限公司 | Clutch device |
| CN103591182A (en) * | 2012-08-13 | 2014-02-19 | 深圳市奥科伟业科技发展有限公司 | Bi-directional overrun clutch and separation control method thereof |
| CN109027041A (en) * | 2016-12-27 | 2018-12-18 | 宁波奉化飞天人精密模具设计有限公司 | Magnetic conductance clutch |
| CN109027043A (en) * | 2016-12-27 | 2018-12-18 | 宁波奉化飞天人精密模具设计有限公司 | Magnetic conductance arrangement of clutch |
| CN109027042A (en) * | 2016-12-27 | 2018-12-18 | 宁波奉化飞天人精密模具设计有限公司 | Magnetic conductance clutch and arrangement of clutch |
| CN109027040A (en) * | 2016-12-27 | 2018-12-18 | 宁波奉化飞天人精密模具设计有限公司 | Magnetic conductance clutch |
| CN114931311A (en) * | 2019-06-28 | 2022-08-23 | 卧安科技(深圳)有限公司 | Curtain electric control driving device |
| CN112833107A (en) * | 2020-12-31 | 2021-05-25 | 成都中车四方轨道车辆有限公司 | Automatic axle box bearing maintenance line and maintenance method |
| CN112833107B (en) * | 2020-12-31 | 2023-03-10 | 成都中车四方轨道车辆有限公司 | Automatic axle box bearing maintenance line and maintenance method |
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